-diff -x .git -Nur linux-2.6.22.1/arch/avr32/boards/atngw100/Kconfig linux-avr32.git/arch/avr32/boards/atngw100/Kconfig
---- linux-2.6.22.1/arch/avr32/boards/atngw100/Kconfig 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/arch/avr32/boards/atngw100/Kconfig 2007-07-13 11:24:16.000000000 +0200
+ MAINTAINERS | 7 +
+ Makefile | 2 +-
+ arch/avr32/Kconfig | 7 +
+ arch/avr32/Makefile | 1 +
+ arch/avr32/boards/atngw100/Kconfig | 12 +
+ arch/avr32/boards/atngw100/flash.c | 5 +-
+ arch/avr32/boards/atngw100/setup.c | 26 +-
+ arch/avr32/boards/atstk1000/Kconfig | 12 +
+ arch/avr32/boards/atstk1000/atstk1002.c | 72 ++
+ arch/avr32/boards/atstk1000/flash.c | 5 +-
+ arch/avr32/configs/atngw100_defconfig | 201 +++-
+ arch/avr32/configs/atstk1002_defconfig | 354 +++++-
+ arch/avr32/drivers/Makefile | 1 +
+ arch/avr32/drivers/dw-dmac.c | 761 ++++++++++++
+ arch/avr32/drivers/dw-dmac.h | 42 +
+ arch/avr32/kernel/Makefile | 6 +-
+ arch/avr32/kernel/dma-controller.c | 34 +
+ arch/avr32/kernel/entry-avr32b.S | 26 +-
+ arch/avr32/kernel/setup.c | 2 +-
+ arch/avr32/kernel/vmlinux.lds.S | 143 +++
+ arch/avr32/kernel/vmlinux.lds.c | 142 ---
+ arch/avr32/mach-at32ap/Kconfig | 7 +
+ arch/avr32/mach-at32ap/Makefile | 1 +
+ arch/avr32/mach-at32ap/at32ap7000.c | 241 ++++-
+ arch/avr32/mach-at32ap/clock.c | 116 ++
+ arch/avr32/mach-at32ap/gpio-dev.c | 573 +++++++++
+ arch/avr32/mach-at32ap/hsmc.c | 129 ++-
+ arch/avr32/mach-at32ap/pio.c | 80 ++
+ arch/avr32/mach-at32ap/pm.h | 8 +
+ arch/avr32/mm/dma-coherent.c | 7 +
+ arch/avr32/mm/init.c | 12 +-
+ drivers/i2c/busses/Kconfig | 8 +
+ drivers/i2c/busses/Makefile | 1 +
+ drivers/i2c/busses/i2c-atmeltwi.c | 436 +++++++
+ drivers/i2c/busses/i2c-atmeltwi.h | 117 ++
+ drivers/misc/Kconfig | 9 +
+ drivers/misc/Makefile | 1 +
+ drivers/misc/atmel-ssc.c | 174 +++
+ drivers/mmc/host/Kconfig | 10 +
+ drivers/mmc/host/Makefile | 1 +
+ drivers/mmc/host/atmel-mci.c | 1161 ++++++++++++++++++
+ drivers/mmc/host/atmel-mci.h | 192 +++
+ drivers/mtd/chips/cfi_cmdset_0001.c | 43 +
+ drivers/mtd/chips/cfi_cmdset_0002.c | 6 +-
+ drivers/spi/atmel_spi.c | 4 +-
+ drivers/usb/gadget/Kconfig | 26 +-
+ drivers/usb/gadget/Makefile | 1 +
+ drivers/usb/gadget/atmel_usba_udc.c | 2038 +++++++++++++++++++++++++++++++
+ drivers/usb/gadget/atmel_usba_udc.h | 350 ++++++
+ drivers/video/atmel_lcdfb.c | 6 +-
+ drivers/video/backlight/Kconfig | 12 +
+ drivers/video/backlight/Makefile | 2 +
+ drivers/video/backlight/ltv350qv.c | 339 +++++
+ drivers/video/backlight/ltv350qv.h | 95 ++
+ include/asm-avr32/arch-at32ap/board.h | 20 +
+ include/asm-avr32/arch-at32ap/portmux.h | 13 +
+ include/asm-avr32/arch-at32ap/smc.h | 51 +-
+ include/asm-avr32/dma-controller.h | 166 +++
+ include/asm-avr32/dma-mapping.h | 17 +-
+ include/asm-avr32/system.h | 13 +-
+ include/asm-avr32/unistd.h | 13 +
+ include/linux/atmel-ssc.h | 312 +++++
+ include/linux/spi/at73c213.h | 25 +
+ scripts/checkstack.pl | 5 +
+ sound/Kconfig | 6 +
+ sound/Makefile | 3 +-
+ sound/avr32/Kconfig | 11 +
+ sound/avr32/Makefile | 3 +
+ sound/avr32/ac97c.c | 914 ++++++++++++++
+ sound/avr32/ac97c.h | 71 ++
+ sound/oss/Kconfig | 4 +
+ sound/oss/Makefile | 1 +
+ sound/oss/at32_abdac.c | 722 +++++++++++
+ sound/oss/at32_abdac.h | 59 +
+ sound/spi/Kconfig | 31 +
+ sound/spi/Makefile | 5 +
+ sound/spi/at73c213.c | 1121 +++++++++++++++++
+ sound/spi/at73c213.h | 119 ++
+ 78 files changed, 11500 insertions(+), 272 deletions(-)
+ create mode 100644 arch/avr32/boards/atngw100/Kconfig
+ create mode 100644 arch/avr32/drivers/Makefile
+ create mode 100644 arch/avr32/drivers/dw-dmac.c
+ create mode 100644 arch/avr32/drivers/dw-dmac.h
+ create mode 100644 arch/avr32/kernel/dma-controller.c
+ create mode 100644 arch/avr32/kernel/vmlinux.lds.S
+ delete mode 100644 arch/avr32/kernel/vmlinux.lds.c
+ create mode 100644 arch/avr32/mach-at32ap/gpio-dev.c
+ create mode 100644 drivers/i2c/busses/i2c-atmeltwi.c
+ create mode 100644 drivers/i2c/busses/i2c-atmeltwi.h
+ create mode 100644 drivers/misc/atmel-ssc.c
+ create mode 100644 drivers/mmc/host/atmel-mci.c
+ create mode 100644 drivers/mmc/host/atmel-mci.h
+ create mode 100644 drivers/usb/gadget/atmel_usba_udc.c
+ create mode 100644 drivers/usb/gadget/atmel_usba_udc.h
+ create mode 100644 drivers/video/backlight/ltv350qv.c
+ create mode 100644 drivers/video/backlight/ltv350qv.h
+ create mode 100644 include/asm-avr32/dma-controller.h
+ create mode 100644 include/linux/atmel-ssc.h
+ create mode 100644 include/linux/spi/at73c213.h
+ create mode 100644 sound/avr32/Kconfig
+ create mode 100644 sound/avr32/Makefile
+ create mode 100644 sound/avr32/ac97c.c
+ create mode 100644 sound/avr32/ac97c.h
+ create mode 100644 sound/oss/at32_abdac.c
+ create mode 100644 sound/oss/at32_abdac.h
+ create mode 100644 sound/spi/Kconfig
+ create mode 100644 sound/spi/Makefile
+ create mode 100644 sound/spi/at73c213.c
+ create mode 100644 sound/spi/at73c213.h
+
+diff --git a/MAINTAINERS b/MAINTAINERS
+index 9a91d9e..587afe3 100644
+--- a/MAINTAINERS
++++ b/MAINTAINERS
+@@ -669,6 +669,13 @@ P: Haavard Skinnemoen
+ M: hskinnemoen@atmel.com
+ S: Supported
+
++ATMEL USBA UDC DRIVER
++P: Haavard Skinnemoen
++M: hskinnemoen@atmel.com
++L: kernel@avr32linux.org
++W: http://avr32linux.org/twiki/bin/view/Main/AtmelUsbDeviceDriver
++S: Supported
++
+ ATMEL WIRELESS DRIVER
+ P: Simon Kelley
+ M: simon@thekelleys.org.uk
+diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
+index d12346a..ec6c7c5 100644
+--- a/arch/avr32/Kconfig
++++ b/arch/avr32/Kconfig
+@@ -116,6 +116,9 @@ endchoice
+ if BOARD_ATSTK1000
+ source "arch/avr32/boards/atstk1000/Kconfig"
+ endif
++if BOARD_ATNGW100
++source "arch/avr32/boards/atngw100/Kconfig"
++endif
+
+ choice
+ prompt "Boot loader type"
+@@ -175,6 +178,10 @@ config OWNERSHIP_TRACE
+ enabling Nexus-compliant debuggers to keep track of the PID of the
+ currently executing task.
+
++config DW_DMAC
++ tristate "Synopsys DesignWare DMA Controller support"
++ default y if CPU_AT32AP7000
++
+ # FPU emulation goes here
+
+ source "kernel/Kconfig.hz"
+diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
+index dc6bc01..eb72198 100644
+--- a/arch/avr32/Makefile
++++ b/arch/avr32/Makefile
+@@ -31,6 +31,7 @@ core-$(CONFIG_BOARD_ATNGW100) += arch/avr32/boards/atngw100/
+ core-$(CONFIG_LOADER_U_BOOT) += arch/avr32/boot/u-boot/
+ core-y += arch/avr32/kernel/
+ core-y += arch/avr32/mm/
++drivers-y += arch/avr32/drivers/
+ libs-y += arch/avr32/lib/
+
+ archincdir-$(CONFIG_PLATFORM_AT32AP) := arch-at32ap
+diff --git a/arch/avr32/boards/atngw100/Kconfig b/arch/avr32/boards/atngw100/Kconfig
+new file mode 100644
+index 0000000..5d922df
+--- /dev/null
++++ b/arch/avr32/boards/atngw100/Kconfig
@@ -0,0 +1,12 @@
+# NGW100 customization
+
+
+ Choose 'Y' here if you're having i2c-related problems and
+ want to rule out the i2c bus driver.
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/boards/atngw100/setup.c linux-avr32.git/arch/avr32/boards/atngw100/setup.c
---- linux-2.6.22.1/arch/avr32/boards/atngw100/setup.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/boards/atngw100/setup.c 2007-07-13 11:24:16.000000000 +0200
-@@ -9,10 +9,12 @@
- */
- #include <linux/clk.h>
- #include <linux/etherdevice.h>
-+#include <linux/i2c-gpio.h>
- #include <linux/init.h>
- #include <linux/linkage.h>
- #include <linux/platform_device.h>
- #include <linux/types.h>
-+#include <linux/leds.h>
- #include <linux/spi/spi.h>
-
- #include <asm/io.h>
-@@ -21,6 +23,7 @@
- #include <asm/arch/at32ap7000.h>
- #include <asm/arch/board.h>
- #include <asm/arch/init.h>
-+#include <asm/arch/portmux.h>
+diff --git a/arch/avr32/boards/atngw100/flash.c b/arch/avr32/boards/atngw100/flash.c
+index f9b32a8..b07ae63 100644
+--- a/arch/avr32/boards/atngw100/flash.c
++++ b/arch/avr32/boards/atngw100/flash.c
+@@ -15,7 +15,7 @@
+
+ #include <asm/arch/smc.h>
+
+-static struct smc_config flash_config __initdata = {
++static struct smc_timing flash_timing __initdata = {
+ .ncs_read_setup = 0,
+ .nrd_setup = 40,
+ .ncs_write_setup = 0,
+@@ -28,7 +28,9 @@ static struct smc_config flash_config __initdata = {
+
+ .read_cycle = 120,
+ .write_cycle = 120,
++};
- /* Initialized by bootloader-specific startup code. */
- struct tag *bootloader_tags __initdata;
-@@ -39,6 +42,11 @@
++static struct smc_config flash_config __initdata = {
+ .bus_width = 2,
+ .nrd_controlled = 1,
+ .nwe_controlled = 1,
+@@ -82,6 +84,7 @@ static int __init atngw100_flash_init(void)
+ {
+ int ret;
+
++ smc_set_timing(&flash_config, &flash_timing);
+ ret = smc_set_configuration(0, &flash_config);
+ if (ret < 0) {
+ printk(KERN_ERR "atngw100: failed to set NOR flash timing\n");
+diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
+index ef80156..2a5f587 100644
+--- a/arch/avr32/boards/atngw100/setup.c
++++ b/arch/avr32/boards/atngw100/setup.c
+@@ -42,6 +42,11 @@ static struct spi_board_info spi0_board_info[] __initdata = {
},
};
/*
* The next two functions should go away as the boot loader is
* supposed to initialize the macb address registers with a valid
-@@ -100,8 +108,46 @@
- at32_setup_serial_console(0);
- }
+@@ -124,9 +129,13 @@ static struct platform_device ngw_gpio_leds = {
+ }
+ };
-+static const struct gpio_led ngw_leds[] = {
-+ { .name = "sys", .gpio = GPIO_PIN_PA(16), .active_low = 1,
-+ .default_trigger = "heartbeat",
-+ },
-+ { .name = "a", .gpio = GPIO_PIN_PA(19), .active_low = 1, },
-+ { .name = "b", .gpio = GPIO_PIN_PE(19), .active_low = 1, },
-+};
-+
-+static const struct gpio_led_platform_data ngw_led_data = {
-+ .num_leds = ARRAY_SIZE(ngw_leds),
-+ .leds = (void *) ngw_leds,
-+};
-+
-+static struct platform_device ngw_gpio_leds = {
-+ .name = "leds-gpio",
-+ .id = -1,
-+ .dev = {
-+ .platform_data = (void *) &ngw_led_data,
-+ }
-+};
-+
+#ifdef CONFIG_BOARD_ATNGW100_I2C_GPIO
-+static struct i2c_gpio_platform_data i2c_gpio_data = {
-+ .sda_pin = GPIO_PIN_PA(6),
-+ .scl_pin = GPIO_PIN_PA(7),
-+};
-+
-+static struct platform_device i2c_gpio_device = {
-+ .name = "i2c-gpio",
-+ .id = 0,
-+ .dev = {
-+ .platform_data = &i2c_gpio_data,
-+ },
-+};
+ static struct i2c_gpio_platform_data i2c_gpio_data = {
+- .sda_pin = GPIO_PIN_PA(6),
+- .scl_pin = GPIO_PIN_PA(7),
++ .sda_pin = GPIO_PIN_PA(6),
++ .scl_pin = GPIO_PIN_PA(7),
++ .sda_is_open_drain = 1,
++ .scl_is_open_drain = 1,
++ .udelay = 2, /* close to 100 kHz */
+ };
+
+ static struct platform_device i2c_gpio_device = {
+@@ -136,6 +145,7 @@ static struct platform_device i2c_gpio_device = {
+ .platform_data = &i2c_gpio_data,
+ },
+ };
+#endif
-+
+
static int __init atngw100_init(void)
{
-+ unsigned i;
-+
- /*
- * ATNGW100 uses 16-bit SDRAM interface, so we don't need to
- * reserve any pins for it.
-@@ -115,6 +161,22 @@
+@@ -154,6 +164,8 @@ static int __init atngw100_init(void)
set_hw_addr(at32_add_device_eth(1, ð_data[1]));
at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+ at32_add_device_mci(0, &mci0_data);
+ at32_add_device_usba(0, NULL);
-+
-+ for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) {
-+ at32_select_gpio(ngw_leds[i].gpio,
-+ AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
-+ }
-+ platform_device_register(&ngw_gpio_leds);
-+
+
+ for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) {
+ at32_select_gpio(ngw_leds[i].gpio,
+@@ -161,9 +173,15 @@ static int __init atngw100_init(void)
+ }
+ platform_device_register(&ngw_gpio_leds);
+
+- at32_select_gpio(i2c_gpio_data.sda_pin, 0);
+- at32_select_gpio(i2c_gpio_data.scl_pin, 0);
+#ifdef CONFIG_BOARD_ATNGW100_I2C_GPIO
-+ at32_select_gpio(i2c_gpio_data.sda_pin, 0);
-+ at32_select_gpio(i2c_gpio_data.scl_pin, 0);
-+ platform_device_register(&i2c_gpio_device);
++ at32_select_gpio(i2c_gpio_data.sda_pin,
++ AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
++ at32_select_gpio(i2c_gpio_data.scl_pin,
++ AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+ platform_device_register(&i2c_gpio_device);
+#else
+ at32_add_device_twi(0);
+#endif
return 0;
}
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/boards/atstk1000/atstk1002.c linux-avr32.git/arch/avr32/boards/atstk1000/atstk1002.c
---- linux-2.6.22.1/arch/avr32/boards/atstk1000/atstk1002.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/boards/atstk1000/atstk1002.c 2007-07-12 13:59:49.000000000 +0200
-@@ -11,6 +11,7 @@
- #include <linux/etherdevice.h>
- #include <linux/init.h>
- #include <linux/kernel.h>
-+#include <linux/leds.h>
- #include <linux/platform_device.h>
+diff --git a/arch/avr32/boards/atstk1000/Kconfig b/arch/avr32/boards/atstk1000/Kconfig
+index 718578f..b1f5a62 100644
+--- a/arch/avr32/boards/atstk1000/Kconfig
++++ b/arch/avr32/boards/atstk1000/Kconfig
+@@ -76,4 +76,16 @@ config BOARD_ATSTK1002_J2_RGB
+
+ endchoice
+
++config BOARD_ATSTK1002_ENABLE_AC97
++ bool "Use AC97C instead of ABDAC"
++ help
++ Select this if you want to use the built-in AC97 controller
++ instead of the built-in Audio Bitstream DAC. These share
++ the same I/O pins on the AP7000, so both can't be enabled
++ at the same time.
++
++ Note that the STK1000/STK1002 kit doesn't ship with an AC97
++ codec on board, so say N unless you've got an expansion
++ board with an AC97 codec on it that you want to use.
++
+ endif # stk 1002
+diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
+index c9981b7..f7fb509 100644
+--- a/arch/avr32/boards/atstk1000/atstk1002.c
++++ b/arch/avr32/boards/atstk1000/atstk1002.c
+@@ -16,6 +16,7 @@
#include <linux/string.h>
#include <linux/types.h>
-@@ -27,7 +28,6 @@
-
- #include "atstk1000.h"
+ #include <linux/spi/spi.h>
++#include <linux/spi/at73c213.h>
--#define SW2_DEFAULT /* MMCI and UART_A available */
+ #include <video/atmel_lcdc.h>
- struct eth_addr {
- u8 addr[6];
-@@ -36,6 +36,7 @@
- static struct eth_addr __initdata hw_addr[2];
- static struct eth_platform_data __initdata eth_data[2];
+@@ -49,7 +50,25 @@ static struct eth_platform_data __initdata eth_data[2] = {
+ };
+ #ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
++#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
++static struct at73c213_board_info at73c213_data = {
++ .ssc_id = 0,
++ .shortname = "AVR32 STK1000 external DAC",
++};
++#endif
++#endif
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
static struct spi_board_info spi0_board_info[] __initdata = {
++#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
++ {
++ /* AT73C213 */
++ .modalias = "at73c213",
++ .max_speed_hz = 200000,
++ .chip_select = 0,
++ .mode = SPI_MODE_1,
++ .platform_data = &at73c213_data,
++ },
++#endif
{
/* QVGA display */
-@@ -45,6 +46,18 @@
- .mode = SPI_MODE_3,
- },
- };
-+#endif
-+
-+#ifdef CONFIG_BOARD_ATSTK1002_SPI1
-+static struct spi_board_info spi1_board_info[] __initdata = { {
-+ /* patch in custom entries here */
-+} };
-+#endif
-+
+ .modalias = "ltv350qv",
+@@ -66,6 +85,11 @@ static struct spi_board_info spi1_board_info[] __initdata = { {
+ } };
+ #endif
+
+static struct mci_platform_data __initdata mci0_data = {
+ .detect_pin = GPIO_PIN_NONE,
+ .wp_pin = GPIO_PIN_NONE,
+};
-
++
/*
* The next two functions should go away as the boot loader is
-@@ -101,12 +114,71 @@
- clk_put(pclk);
+ * supposed to initialize the macb address registers with a valid
+@@ -180,6 +204,38 @@ static void setup_j2_leds(void)
}
+ #endif
--void __init setup_board(void)
-+#ifdef CONFIG_BOARD_ATSTK1002_J2_LED
-+
-+static struct gpio_led stk_j2_led[] = {
-+#ifdef CONFIG_BOARD_ATSTK1002_J2_LED8
-+#define LEDSTRING "J2 jumpered to LED8"
-+ { .name = "led0:amber", .gpio = GPIO_PIN_PB( 8), },
-+ { .name = "led1:amber", .gpio = GPIO_PIN_PB( 9), },
-+ { .name = "led2:amber", .gpio = GPIO_PIN_PB(10), },
-+ { .name = "led3:amber", .gpio = GPIO_PIN_PB(13), },
-+ { .name = "led4:amber", .gpio = GPIO_PIN_PB(14), },
-+ { .name = "led5:amber", .gpio = GPIO_PIN_PB(15), },
-+ { .name = "led6:amber", .gpio = GPIO_PIN_PB(16), },
-+ { .name = "led7:amber", .gpio = GPIO_PIN_PB(30),
-+ .default_trigger = "heartbeat", },
-+#else /* RGB */
-+#define LEDSTRING "J2 jumpered to RGB LEDs"
-+ { .name = "r1:red", .gpio = GPIO_PIN_PB( 8), },
-+ { .name = "g1:green", .gpio = GPIO_PIN_PB(10), },
-+ { .name = "b1:blue", .gpio = GPIO_PIN_PB(14), },
-+
-+ { .name = "r2:red", .gpio = GPIO_PIN_PB( 9),
-+ .default_trigger = "heartbeat", },
-+ { .name = "g2:green", .gpio = GPIO_PIN_PB(13), },
-+ { .name = "b2:blue", .gpio = GPIO_PIN_PB(15),
-+ .default_trigger = "heartbeat", },
-+ /* PB16, PB30 unused */
-+#endif
-+};
-+
-+static struct gpio_led_platform_data stk_j2_led_data = {
-+ .num_leds = ARRAY_SIZE(stk_j2_led),
-+ .leds = stk_j2_led,
-+};
-+
-+static struct platform_device stk_j2_led_dev = {
-+ .name = "leds-gpio",
-+ .id = 2, /* gpio block J2 */
-+ .dev = {
-+ .platform_data = &stk_j2_led_data,
-+ },
-+};
++#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
++#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
++static void __init at73c213_set_clk(struct at73c213_board_info *info)
++{
++ struct clk *gclk;
++ struct clk *pll;
+
-+static void setup_j2_leds(void)
- {
--#ifdef SW2_DEFAULT
-- at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
-+ unsigned i;
++ gclk = clk_get(NULL, "gclk0");
++ if (IS_ERR(gclk))
++ goto err_gclk;
++ pll = clk_get(NULL, "pll0");
++ if (IS_ERR(pll))
++ goto err_pll;
+
-+ for (i = 0; i < ARRAY_SIZE(stk_j2_led); i++)
-+ at32_select_gpio(stk_j2_led[i].gpio, AT32_GPIOF_OUTPUT);
++ if (clk_set_parent(gclk, pll)) {
++ pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");
++ goto err_set_clk;
++ }
+
-+ printk("STK1002: " LEDSTRING "\n");
-+ platform_device_register(&stk_j2_led_dev);
-+}
++ at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);
++ info->dac_clk = gclk;
+
- #else
-+static void setup_j2_leds(void)
-+{
++err_set_clk:
++ clk_put(pll);
++err_pll:
++ clk_put(gclk);
++err_gclk:
++ return;
+}
+#endif
-+
-+void __init setup_board(void)
-+{
-+#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
- at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */
-+#else
-+ at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
- #endif
- /* USART 2/unused: expansion connector */
- at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */
-@@ -140,18 +212,40 @@
-
- at32_add_system_devices();
-
--#ifdef SW2_DEFAULT
-- at32_add_device_usart(0);
--#else
-+#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
- at32_add_device_usart(1);
-+#else
-+ at32_add_device_usart(0);
- #endif
- at32_add_device_usart(2);
-
-+#ifndef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM
- set_hw_addr(at32_add_device_eth(0, ð_data[0]));
--
-- at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
-+#endif
-+#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
-+ set_hw_addr(at32_add_device_eth(1, ð_data[1]));
-+#else
- at32_add_device_lcdc(0, &atstk1000_lcdc_data,
- fbmem_start, fbmem_size);
+#endif
+
-+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
-+ at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
-+#endif
-+#ifdef CONFIG_BOARD_ATSTK1002_SPI1
-+ at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
-+#endif
+ void __init setup_board(void)
+ {
+ #ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+@@ -235,18 +291,34 @@ static int __init atstk1002_init(void)
+ #ifdef CONFIG_BOARD_ATSTK1002_SPI1
+ at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
+ #endif
+ at32_add_device_twi(0);
+#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+ at32_add_device_mci(0, &mci0_data);
+#endif
+ #ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
+ set_hw_addr(at32_add_device_eth(1, ð_data[1]));
+ #else
+ at32_add_device_lcdc(0, &atstk1000_lcdc_data,
+ fbmem_start, fbmem_size);
+ #endif
+ at32_add_device_usba(0, NULL);
++#ifdef CONFIG_BOARD_ATSTK1002_ENABLE_AC97
++ at32_add_device_ac97c(0);
++#else
+ at32_add_device_abdac(0);
++#endif
+ #ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
+ at32_add_device_ssc(0, ATMEL_SSC_TX);
+ #endif
+
+ setup_j2_leds();
+
+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
-+ at32_add_device_ssc(0, ATMEL_SSC_TX);
++#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
++ at73c213_set_clk(&at73c213_data);
++#endif
+#endif
+
-+ setup_j2_leds();
-
return 0;
}
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/boards/atstk1000/Kconfig linux-avr32.git/arch/avr32/boards/atstk1000/Kconfig
---- linux-2.6.22.1/arch/avr32/boards/atstk1000/Kconfig 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/arch/avr32/boards/atstk1000/Kconfig 2007-07-12 13:59:49.000000000 +0200
-@@ -0,0 +1,79 @@
-+# STK1000 customization
-+
-+if BOARD_ATSTK1002
-+
-+config BOARD_ATSTK1002_CUSTOM
-+ bool "Non-default STK-1002 jumper settings"
-+ help
-+ You will normally leave the jumpers on the CPU card at their
-+ default settings. If you need to use certain peripherals,
-+ you will need to change some of those jumpers.
-+
-+if BOARD_ATSTK1002_CUSTOM
-+
-+config BOARD_ATSTK1002_SW1_CUSTOM
-+ bool "SW1: use SSC1 (not SPI0)"
-+ help
-+ This also prevents using the external DAC as an audio interface,
-+ and means you can't initialize the on-board QVGA display.
-+
-+config BOARD_ATSTK1002_SW2_CUSTOM
-+ bool "SW2: use IRDA or TIMER0 (not UART-A, MMC/SD, and PS2-A)"
-+ help
-+ If you change this you'll want an updated boot loader putting
-+ the console on UART-C not UART-A.
-+
-+config BOARD_ATSTK1002_SW3_CUSTOM
-+ bool "SW3: use TIMER1 (not SSC0 and GCLK)"
-+ help
-+ This also prevents using the external DAC as an audio interface.
-+
-+config BOARD_ATSTK1002_SW4_CUSTOM
-+ bool "SW4: use ISI/Camera (not GPIOs, SPI1, and PS2-B)"
-+ help
-+ To use the camera interface you'll need a custom card (on the
-+ PCI-format connector) connect a video sensor.
-+
-+config BOARD_ATSTK1002_SW5_CUSTOM
-+ bool "SW5: use MACB1 (not LCDC)"
-+
-+config BOARD_ATSTK1002_SW6_CUSTOM
-+ bool "SW6: more GPIOs (not MACB0)"
-+
-+endif # custom
-+
-+config BOARD_ATSTK1002_SPI1
-+ bool "Configure SPI1 controller"
-+ depends on !BOARD_ATSTK1002_SW4_CUSTOM
-+ help
-+ All the signals for the second SPI controller are available on
-+ GPIO lines and accessed through the J1 jumper block. Say "y"
-+ here to configure that SPI controller.
-+
-+config BOARD_ATSTK1002_J2_LED
-+ bool
-+ default BOARD_ATSTK1002_J2_LED8 || BOARD_ATSTK1002_J2_RGB
-+
-+choice
-+ prompt "LEDs connected to J2:"
-+ depends on LEDS_GPIO && !BOARD_ATSTK1002_SW4_CUSTOM
-+ optional
-+ help
-+ Select this if you have jumpered the J2 jumper block to the
-+ LED0..LED7 amber leds, or to the RGB leds, using a ten-pin
-+ IDC cable. A default "heartbeat" trigger is provided, but
-+ you can of course override this.
-+
-+config BOARD_ATSTK1002_J2_LED8
-+ bool "LED0..LED7"
-+ help
-+ Select this if J2 is jumpered to LED0..LED7 amber leds.
-+
-+config BOARD_ATSTK1002_J2_RGB
-+ bool "RGB leds"
-+ help
-+ Select this if J2 is jumpered to the RGB leds.
-+
-+endchoice
-+
-+endif # stk 1002
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/configs/atngw100_defconfig linux-avr32.git/arch/avr32/configs/atngw100_defconfig
---- linux-2.6.22.1/arch/avr32/configs/atngw100_defconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/configs/atngw100_defconfig 2007-07-13 11:24:16.000000000 +0200
+ postcore_initcall(atstk1002_init);
+diff --git a/arch/avr32/boards/atstk1000/flash.c b/arch/avr32/boards/atstk1000/flash.c
+index aac4300..3d0a102 100644
+--- a/arch/avr32/boards/atstk1000/flash.c
++++ b/arch/avr32/boards/atstk1000/flash.c
+@@ -15,7 +15,7 @@
+
+ #include <asm/arch/smc.h>
+
+-static struct smc_config flash_config __initdata = {
++static struct smc_timing flash_timing __initdata = {
+ .ncs_read_setup = 0,
+ .nrd_setup = 40,
+ .ncs_write_setup = 0,
+@@ -28,7 +28,9 @@ static struct smc_config flash_config __initdata = {
+
+ .read_cycle = 120,
+ .write_cycle = 120,
++};
+
++static struct smc_config flash_config __initdata = {
+ .bus_width = 2,
+ .nrd_controlled = 1,
+ .nwe_controlled = 1,
+@@ -82,6 +84,7 @@ static int __init atstk1000_flash_init(void)
+ {
+ int ret;
+
++ smc_set_timing(&flash_config, &flash_timing);
+ ret = smc_set_configuration(0, &flash_config);
+ if (ret < 0) {
+ printk(KERN_ERR "atstk1000: failed to set NOR flash timing\n");
+diff --git a/arch/avr32/configs/atngw100_defconfig b/arch/avr32/configs/atngw100_defconfig
+index b799a68..adce168 100644
+--- a/arch/avr32/configs/atngw100_defconfig
++++ b/arch/avr32/configs/atngw100_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
#
CONFIG_AVR32=y
CONFIG_GENERIC_GPIO=y
-@@ -114,6 +114,7 @@
+@@ -114,6 +114,7 @@ CONFIG_PLATFORM_AT32AP=y
CONFIG_CPU_AT32AP7000=y
# CONFIG_BOARD_ATSTK1000 is not set
CONFIG_BOARD_ATNGW100=y
CONFIG_LOADER_U_BOOT=y
#
-@@ -122,6 +123,7 @@
+@@ -122,6 +123,7 @@ CONFIG_LOADER_U_BOOT=y
# CONFIG_AP7000_32_BIT_SMC is not set
CONFIG_AP7000_16_BIT_SMC=y
# CONFIG_AP7000_8_BIT_SMC is not set
CONFIG_LOAD_ADDRESS=0x10000000
CONFIG_ENTRY_ADDRESS=0x90000000
CONFIG_PHYS_OFFSET=0x10000000
-@@ -145,6 +147,7 @@
+@@ -145,6 +147,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
# CONFIG_RESOURCES_64BIT is not set
CONFIG_ZONE_DMA_FLAG=0
# CONFIG_OWNERSHIP_TRACE is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
-@@ -153,6 +156,27 @@
+@@ -153,6 +156,27 @@ CONFIG_HZ=250
CONFIG_CMDLINE=""
#
# Bus options
#
# CONFIG_ARCH_SUPPORTS_MSI is not set
-@@ -187,13 +211,8 @@
+@@ -187,13 +211,8 @@ CONFIG_NET_KEY=y
# CONFIG_NET_KEY_MIGRATE is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IP_PNP_BOOTP is not set
-@@ -240,6 +259,7 @@
+@@ -240,6 +259,7 @@ CONFIG_IPV6_SIT=y
# CONFIG_NETWORK_SECMARK is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
#
# Core Netfilter Configuration
-@@ -284,6 +304,7 @@
+@@ -284,6 +304,7 @@ CONFIG_NETFILTER_XT_MATCH_MAC=m
CONFIG_NETFILTER_XT_MATCH_MARK=m
CONFIG_NETFILTER_XT_MATCH_POLICY=m
CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
-@@ -359,13 +380,19 @@
+@@ -359,13 +380,19 @@ CONFIG_IP6_NF_TARGET_REJECT=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_RAW=m
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
-@@ -521,7 +548,6 @@
+@@ -521,7 +548,6 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
#
# Misc devices
#
# CONFIG_IDE is not set
#
-@@ -545,13 +571,26 @@
+@@ -545,13 +571,26 @@ CONFIG_NETDEVICES=y
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
CONFIG_TUN=m
CONFIG_MACB=y
# CONFIG_NETDEV_1000 is not set
# CONFIG_NETDEV_10000 is not set
-@@ -625,7 +664,15 @@
+@@ -625,7 +664,15 @@ CONFIG_UNIX98_PTYS=y
# IPMI
#
# CONFIG_IPMI_HANDLER is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_RTC is not set
# CONFIG_GEN_RTC is not set
-@@ -636,7 +683,42 @@
+@@ -636,7 +683,42 @@ CONFIG_UNIX98_PTYS=y
# TPM devices
#
# CONFIG_TCG_TPM is not set
#
# SPI support
-@@ -655,7 +737,7 @@
+@@ -655,7 +737,7 @@ CONFIG_SPI_ATMEL=y
# SPI Protocol Masters
#
# CONFIG_SPI_AT25 is not set
#
# Dallas's 1-wire bus
-@@ -706,21 +788,59 @@
+@@ -706,8 +788,41 @@ CONFIG_SPI_ATMEL=y
#
# USB Gadget Support
#
#
# LED devices
- #
--# CONFIG_NEW_LEDS is not set
-+CONFIG_NEW_LEDS=y
-+CONFIG_LEDS_CLASS=y
+@@ -727,27 +842,62 @@ CONFIG_LEDS_TRIGGERS=y
+ CONFIG_LEDS_TRIGGER_TIMER=y
+ CONFIG_LEDS_TRIGGER_HEARTBEAT=y
- #
- # LED drivers
- #
-+CONFIG_LEDS_GPIO=y
++#
++# InfiniBand support
++#
#
- # LED Triggers
+-# LED drivers
++# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
#
-+CONFIG_LEDS_TRIGGERS=y
-+CONFIG_LEDS_TRIGGER_TIMER=y
-+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
#
- # InfiniBand support
-@@ -733,7 +853,51 @@
- #
- # Real Time Clock
+-# LED Triggers
++# Real Time Clock
#
--# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
-+
-+#
+
+ #
+-# InfiniBand support
+# RTC interfaces
-+#
+ #
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
-+
-+#
+
+ #
+-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+# I2C RTC drivers
-+#
+ #
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
-+
-+#
+
+ #
+-# Real Time Clock
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# on-CPU RTC drivers
-+#
+ #
+-# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_DRV_AT32AP700X=y
#
# DMA Engine support
-@@ -767,7 +931,8 @@
+@@ -781,7 +931,8 @@ CONFIG_JBD=y
# CONFIG_OCFS2_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
# CONFIG_QUOTA is not set
# CONFIG_DNOTIFY is not set
# CONFIG_AUTOFS_FS is not set
-@@ -922,7 +1087,7 @@
+@@ -936,7 +1087,7 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_MAGIC_SYSRQ=y
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/configs/atstk1002_defconfig linux-avr32.git/arch/avr32/configs/atstk1002_defconfig
---- linux-2.6.22.1/arch/avr32/configs/atstk1002_defconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/configs/atstk1002_defconfig 2007-07-13 11:24:16.000000000 +0200
+diff --git a/arch/avr32/configs/atstk1002_defconfig b/arch/avr32/configs/atstk1002_defconfig
+index 3b977fd..3708066 100644
+--- a/arch/avr32/configs/atstk1002_defconfig
++++ b/arch/avr32/configs/atstk1002_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22-rc5
-# Sat Jun 23 15:32:08 2007
-+# Linux kernel version: 2.6.22.atmel.1
-+# Thu Jul 12 19:34:17 2007
++# Linux kernel version: 2.6.22.atmel.2
++# Thu Jul 19 13:46:47 2007
#
CONFIG_AVR32=y
CONFIG_GENERIC_GPIO=y
-@@ -80,10 +80,10 @@
+@@ -80,10 +80,10 @@ CONFIG_BASE_SMALL=1
#
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
#
# Block layer
-@@ -99,12 +99,12 @@
+@@ -99,12 +99,12 @@ CONFIG_BLOCK=y
CONFIG_IOSCHED_NOOP=y
# CONFIG_IOSCHED_AS is not set
# CONFIG_IOSCHED_DEADLINE is not set
#
# System Type and features
-@@ -117,6 +117,11 @@
+@@ -117,6 +117,11 @@ CONFIG_CPU_AT32AP7000=y
CONFIG_BOARD_ATSTK1002=y
CONFIG_BOARD_ATSTK1000=y
# CONFIG_BOARD_ATNGW100 is not set
CONFIG_LOADER_U_BOOT=y
#
-@@ -125,6 +130,7 @@
+@@ -125,6 +130,7 @@ CONFIG_LOADER_U_BOOT=y
# CONFIG_AP7000_32_BIT_SMC is not set
CONFIG_AP7000_16_BIT_SMC=y
# CONFIG_AP7000_8_BIT_SMC is not set
CONFIG_LOAD_ADDRESS=0x10000000
CONFIG_ENTRY_ADDRESS=0x90000000
CONFIG_PHYS_OFFSET=0x10000000
-@@ -148,6 +154,7 @@
+@@ -148,6 +154,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
# CONFIG_RESOURCES_64BIT is not set
CONFIG_ZONE_DMA_FLAG=0
# CONFIG_OWNERSHIP_TRACE is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
-@@ -156,6 +163,27 @@
+@@ -156,6 +163,27 @@ CONFIG_HZ=250
CONFIG_CMDLINE=""
#
# Bus options
#
# CONFIG_ARCH_SUPPORTS_MSI is not set
-@@ -327,6 +355,8 @@
+@@ -327,6 +355,8 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2
#
# Self-contained MTD device drivers
#
# CONFIG_MTD_SLRAM is not set
# CONFIG_MTD_PHRAM is not set
# CONFIG_MTD_MTDRAM is not set
-@@ -373,7 +403,6 @@
+@@ -373,7 +403,7 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
#
# Misc devices
#
-# CONFIG_BLINK is not set
++CONFIG_ATMEL_SSC=m
# CONFIG_IDE is not set
#
-@@ -397,13 +426,26 @@
+@@ -397,13 +427,26 @@ CONFIG_DUMMY=y
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
CONFIG_TUN=m
CONFIG_MACB=y
# CONFIG_NETDEV_1000 is not set
# CONFIG_NETDEV_10000 is not set
-@@ -443,7 +485,42 @@
+@@ -443,7 +486,42 @@ CONFIG_SLHC=m
#
# Input device support
#
#
# Hardware I/O ports
-@@ -477,7 +554,15 @@
+@@ -477,7 +555,15 @@ CONFIG_UNIX98_PTYS=y
# IPMI
#
# CONFIG_IPMI_HANDLER is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_RTC is not set
# CONFIG_GEN_RTC is not set
-@@ -488,13 +573,61 @@
+@@ -488,13 +574,61 @@ CONFIG_UNIX98_PTYS=y
# TPM devices
#
# CONFIG_TCG_TPM is not set
#
# Dallas's 1-wire bus
-@@ -517,14 +650,40 @@
+@@ -517,19 +651,91 @@ CONFIG_UNIX98_PTYS=y
#
# Graphics support
#
#
# Sound
-@@ -532,6 +691,11 @@
- # CONFIG_SOUND is not set
-
#
-+# HID Devices
+-# CONFIG_SOUND is not set
++CONFIG_SOUND=m
++
+#
-+# CONFIG_HID is not set
++# Advanced Linux Sound Architecture
++#
++CONFIG_SND=m
++CONFIG_SND_TIMER=m
++CONFIG_SND_PCM=m
++# CONFIG_SND_SEQUENCER is not set
++CONFIG_SND_OSSEMUL=y
++CONFIG_SND_MIXER_OSS=m
++CONFIG_SND_PCM_OSS=m
++CONFIG_SND_PCM_OSS_PLUGINS=y
++# CONFIG_SND_DYNAMIC_MINORS is not set
++# CONFIG_SND_SUPPORT_OLD_API is not set
++CONFIG_SND_VERBOSE_PROCFS=y
++# CONFIG_SND_VERBOSE_PRINTK is not set
++# CONFIG_SND_DEBUG is not set
+
+#
- # USB support
++# Generic devices
++#
++# CONFIG_SND_DUMMY is not set
++# CONFIG_SND_MTPAV is not set
++# CONFIG_SND_SERIAL_U16550 is not set
++# CONFIG_SND_MPU401 is not set
++
++#
++# SPI devices
++#
++CONFIG_SND_AT73C213=m
++CONFIG_SND_AT73C213_TARGET_BITRATE=48000
++
++#
++# System on Chip audio support
++#
++# CONFIG_SND_SOC is not set
++
++#
++# Open Sound System
++#
++# CONFIG_SOUND_PRIME is not set
++
++#
++# HID Devices
++#
++# CONFIG_HID is not set
+
#
- # CONFIG_USB_ARCH_HAS_HCD is not set
-@@ -545,21 +709,59 @@
+ # USB support
+@@ -545,21 +751,59 @@ CONFIG_UNIX98_PTYS=y
#
# USB Gadget Support
#
#
# InfiniBand support
-@@ -572,7 +774,50 @@
+@@ -572,7 +816,50 @@ CONFIG_UNIX98_PTYS=y
#
# Real Time Clock
#
#
# DMA Engine support
-@@ -590,11 +835,14 @@
+@@ -590,11 +877,14 @@ CONFIG_UNIX98_PTYS=y
#
# File systems
#
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
# CONFIG_FS_POSIX_ACL is not set
-@@ -609,7 +857,7 @@
+@@ -609,7 +899,7 @@ CONFIG_INOTIFY_USER=y
# CONFIG_DNOTIFY is not set
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
#
# CD-ROM/DVD Filesystems
-@@ -638,7 +886,7 @@
+@@ -638,7 +928,7 @@ CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
#
# Miscellaneous filesystems
-@@ -683,8 +931,14 @@
+@@ -683,8 +973,14 @@ CONFIG_SUNRPC=y
# CONFIG_SUNRPC_BIND34 is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/drivers/dw-dmac.c linux-avr32.git/arch/avr32/drivers/dw-dmac.c
---- linux-2.6.22.1/arch/avr32/drivers/dw-dmac.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/arch/avr32/drivers/dw-dmac.c 2007-07-13 11:24:16.000000000 +0200
+diff --git a/arch/avr32/drivers/Makefile b/arch/avr32/drivers/Makefile
+new file mode 100644
+index 0000000..b429b75
+--- /dev/null
++++ b/arch/avr32/drivers/Makefile
+@@ -0,0 +1 @@
++obj-$(CONFIG_DW_DMAC) += dw-dmac.o
+diff --git a/arch/avr32/drivers/dw-dmac.c b/arch/avr32/drivers/dw-dmac.c
+new file mode 100644
+index 0000000..224eb30
+--- /dev/null
++++ b/arch/avr32/drivers/dw-dmac.c
@@ -0,0 +1,761 @@
+/*
+ * Driver for the Synopsys DesignWare DMA Controller
+MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver");
+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
+MODULE_LICENSE("GPL");
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/drivers/dw-dmac.h linux-avr32.git/arch/avr32/drivers/dw-dmac.h
---- linux-2.6.22.1/arch/avr32/drivers/dw-dmac.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/arch/avr32/drivers/dw-dmac.h 2007-06-06 11:33:46.000000000 +0200
+diff --git a/arch/avr32/drivers/dw-dmac.h b/arch/avr32/drivers/dw-dmac.h
+new file mode 100644
+index 0000000..1f67921
+--- /dev/null
++++ b/arch/avr32/drivers/dw-dmac.h
@@ -0,0 +1,42 @@
+/*
+ * Driver for the Synopsys DesignWare DMA Controller
+#define DW_DMAC_CHAN_DSR 0x050
+
+#endif /* __AVR32_DW_DMAC_H__ */
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/drivers/Makefile linux-avr32.git/arch/avr32/drivers/Makefile
---- linux-2.6.22.1/arch/avr32/drivers/Makefile 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/arch/avr32/drivers/Makefile 2007-06-06 11:33:46.000000000 +0200
-@@ -0,0 +1 @@
-+obj-$(CONFIG_DW_DMAC) += dw-dmac.o
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/Kconfig linux-avr32.git/arch/avr32/Kconfig
---- linux-2.6.22.1/arch/avr32/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/Kconfig 2007-07-13 11:24:16.000000000 +0200
-@@ -113,6 +113,13 @@
- bool "ATNGW100 Network Gateway"
- endchoice
-
-+if BOARD_ATSTK1000
-+source "arch/avr32/boards/atstk1000/Kconfig"
-+endif
-+if BOARD_ATNGW100
-+source "arch/avr32/boards/atngw100/Kconfig"
-+endif
-+
- choice
- prompt "Boot loader type"
- default LOADER_U_BOOT
-@@ -171,6 +178,10 @@
- enabling Nexus-compliant debuggers to keep track of the PID of the
- currently executing task.
-
-+config DW_DMAC
-+ tristate "Synopsys DesignWare DMA Controller support"
-+ default y if CPU_AT32AP7000
-+
- # FPU emulation goes here
-
- source "kernel/Kconfig.hz"
-@@ -185,6 +196,27 @@
-
- endmenu
-
-+menu "Power managment options"
-+
-+menu "CPU Frequency scaling"
-+
-+source "drivers/cpufreq/Kconfig"
-+
-+config CPU_FREQ_AT32AP
-+ bool "CPU frequency driver for AT32AP"
-+ depends on CPU_FREQ && PLATFORM_AT32AP
-+ default n
-+ help
-+ This enables the CPU frequency driver for AT32AP processors.
-+
-+ For details, take a look in <file:Documentation/cpu-freq>.
-+
-+ If in doubt, say N.
-+
-+endmenu
-+
-+endmenu
-+
- menu "Bus options"
-
- config PCI
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/kernel/dma-controller.c linux-avr32.git/arch/avr32/kernel/dma-controller.c
---- linux-2.6.22.1/arch/avr32/kernel/dma-controller.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/arch/avr32/kernel/dma-controller.c 2007-06-06 11:33:46.000000000 +0200
+diff --git a/arch/avr32/kernel/Makefile b/arch/avr32/kernel/Makefile
+index 90e5aff..1aedaeb 100644
+--- a/arch/avr32/kernel/Makefile
++++ b/arch/avr32/kernel/Makefile
+@@ -9,10 +9,6 @@ obj-y += syscall_table.o syscall-stubs.o irq.o
+ obj-y += setup.o traps.o semaphore.o ptrace.o
+ obj-y += signal.o sys_avr32.o process.o time.o
+ obj-y += init_task.o switch_to.o cpu.o
++obj-y += dma-controller.o
+ obj-$(CONFIG_MODULES) += module.o avr32_ksyms.o
+ obj-$(CONFIG_KPROBES) += kprobes.o
+-
+-USE_STANDARD_AS_RULE := true
+-
+-%.lds: %.lds.c FORCE
+- $(call if_changed_dep,cpp_lds_S)
+diff --git a/arch/avr32/kernel/dma-controller.c b/arch/avr32/kernel/dma-controller.c
+new file mode 100644
+index 0000000..fb654b3
+--- /dev/null
++++ b/arch/avr32/kernel/dma-controller.c
@@ -0,0 +1,34 @@
+/*
+ * Preliminary DMA controller framework for AVR32
+ return NULL;
+}
+EXPORT_SYMBOL(find_dma_controller);
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/kernel/Makefile linux-avr32.git/arch/avr32/kernel/Makefile
---- linux-2.6.22.1/arch/avr32/kernel/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/kernel/Makefile 2007-06-06 11:33:46.000000000 +0200
-@@ -9,6 +9,7 @@
- obj-y += setup.o traps.o semaphore.o ptrace.o
- obj-y += signal.o sys_avr32.o process.o time.o
- obj-y += init_task.o switch_to.o cpu.o
-+obj-y += dma-controller.o
- obj-$(CONFIG_MODULES) += module.o avr32_ksyms.o
- obj-$(CONFIG_KPROBES) += kprobes.o
-
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/at32ap7000.c linux-avr32.git/arch/avr32/mach-at32ap/at32ap7000.c
---- linux-2.6.22.1/arch/avr32/mach-at32ap/at32ap7000.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/mach-at32ap/at32ap7000.c 2007-07-12 13:59:49.000000000 +0200
-@@ -17,14 +17,20 @@
- #include <asm/arch/at32ap7000.h>
- #include <asm/arch/board.h>
- #include <asm/arch/portmux.h>
--#include <asm/arch/sm.h>
-
- #include <video/atmel_lcdc.h>
-
- #include "clock.h"
- #include "hmatrix.h"
- #include "pio.h"
--#include "sm.h"
-+#include "pm.h"
+diff --git a/arch/avr32/kernel/entry-avr32b.S b/arch/avr32/kernel/entry-avr32b.S
+index 42657f1..ccadfd9 100644
+--- a/arch/avr32/kernel/entry-avr32b.S
++++ b/arch/avr32/kernel/entry-avr32b.S
+@@ -159,11 +159,18 @@ handle_vmalloc_miss:
+
+ .section .scall.text,"ax",@progbits
+ system_call:
++#ifdef CONFIG_PREEMPT
++ mask_interrupts
++#endif
+ pushm r12 /* r12_orig */
+ stmts --sp, r0-lr
+- zero_fp
++
+ mfsr r0, SYSREG_RAR_SUP
+ mfsr r1, SYSREG_RSR_SUP
++#ifdef CONFIG_PREEMPT
++ unmask_interrupts
++#endif
++ zero_fp
+ stm --sp, r0-r1
+
+ /* check for syscall tracing */
+@@ -638,6 +645,13 @@ irq_level\level:
+ stmts --sp,r0-lr
+ mfsr r8, rar_int\level
+ mfsr r9, rsr_int\level
++
++#ifdef CONFIG_PREEMPT
++ sub r11, pc, (. - system_call)
++ cp.w r11, r8
++ breq 4f
++#endif
++
+ pushm r8-r9
+
+ mov r11, sp
+@@ -668,6 +682,16 @@ irq_level\level:
+ sub sp, -4 /* ignore r12_orig */
+ rete
+
++#ifdef CONFIG_PREEMPT
++4: mask_interrupts
++ mfsr r8, rsr_int\level
++ sbr r8, 16
++ mtsr rsr_int\level, r8
++ ldmts sp++, r0-lr
++ sub sp, -4 /* ignore r12_orig */
++ rete
++#endif
+
+ 2: get_thread_info r0
+ ld.w r1, r0[TI_flags]
+ bld r1, TIF_CPU_GOING_TO_SLEEP
+diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
+index d08b0bc..4b4c188 100644
+--- a/arch/avr32/kernel/setup.c
++++ b/arch/avr32/kernel/setup.c
+@@ -248,7 +248,7 @@ static int __init early_parse_fbmem(char *p)
+
+ fbmem_size = memparse(p, &p);
+ if (*p == '@') {
+- fbmem_start = memparse(p, &p);
++ fbmem_start = memparse(p + 1, &p);
+ ret = add_reserved_region(fbmem_start,
+ fbmem_start + fbmem_size - 1,
+ "Framebuffer");
+diff --git a/arch/avr32/kernel/vmlinux.lds.S b/arch/avr32/kernel/vmlinux.lds.S
+new file mode 100644
+index 0000000..ce9ac96
+--- /dev/null
++++ b/arch/avr32/kernel/vmlinux.lds.S
+@@ -0,0 +1,143 @@
+/*
-+ * We can reduce the code size a bit by using a constant here. Since
-+ * this file is completely chip-specific, it's safe to not use
-+ * ioremap. Generic drivers should of course never do this.
++ * AVR32 linker script for the Linux kernel
++ *
++ * Copyright (C) 2004-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
+ */
-+#define AT32_PM_BASE 0xfff00000
-
- #define PBMEM(base) \
- { \
-@@ -88,6 +94,8 @@
- .index = _index, \
- }
-
-+static DEFINE_SPINLOCK(pm_lock);
-+
- unsigned long at32ap7000_osc_rates[3] = {
- [0] = 32768,
- /* FIXME: these are ATSTK1002-specific */
-@@ -104,11 +112,11 @@
- {
- unsigned long div, mul, rate;
-
-- if (!(control & SM_BIT(PLLEN)))
-+ if (!(control & PM_BIT(PLLEN)))
- return 0;
-
-- div = SM_BFEXT(PLLDIV, control) + 1;
-- mul = SM_BFEXT(PLLMUL, control) + 1;
-+ div = PM_BFEXT(PLLDIV, control) + 1;
-+ mul = PM_BFEXT(PLLMUL, control) + 1;
-
- rate = clk->parent->get_rate(clk->parent);
- rate = (rate + div / 2) / div;
-@@ -121,7 +129,7 @@
- {
- u32 control;
-
-- control = sm_readl(&system_manager, PM_PLL0);
-+ control = pm_readl(PLL0);
-
- return pll_get_rate(clk, control);
- }
-@@ -130,7 +138,7 @@
- {
- u32 control;
-
-- control = sm_readl(&system_manager, PM_PLL1);
-+ control = pm_readl(PLL1);
-
- return pll_get_rate(clk, control);
- }
-@@ -187,108 +195,139 @@
-
- static void cpu_clk_mode(struct clk *clk, int enabled)
- {
-- struct at32_sm *sm = &system_manager;
- unsigned long flags;
- u32 mask;
-
-- spin_lock_irqsave(&sm->lock, flags);
-- mask = sm_readl(sm, PM_CPU_MASK);
-+ spin_lock_irqsave(&pm_lock, flags);
-+ mask = pm_readl(CPU_MASK);
- if (enabled)
- mask |= 1 << clk->index;
- else
- mask &= ~(1 << clk->index);
-- sm_writel(sm, PM_CPU_MASK, mask);
-- spin_unlock_irqrestore(&sm->lock, flags);
-+ pm_writel(CPU_MASK, mask);
-+ spin_unlock_irqrestore(&pm_lock, flags);
- }
-
- static unsigned long cpu_clk_get_rate(struct clk *clk)
- {
- unsigned long cksel, shift = 0;
-
-- cksel = sm_readl(&system_manager, PM_CKSEL);
-- if (cksel & SM_BIT(CPUDIV))
-- shift = SM_BFEXT(CPUSEL, cksel) + 1;
-+ cksel = pm_readl(CKSEL);
-+ if (cksel & PM_BIT(CPUDIV))
-+ shift = PM_BFEXT(CPUSEL, cksel) + 1;
-
- return bus_clk_get_rate(clk, shift);
- }
-
-+static long cpu_clk_set_rate(struct clk *clk, unsigned long rate, int apply)
-+{
-+ u32 control;
-+ unsigned long parent_rate, child_div, actual_rate, div;
++#define LOAD_OFFSET 0x00000000
++#include <asm-generic/vmlinux.lds.h>
++#include <asm/cache.h>
++#include <asm/thread_info.h>
++
++OUTPUT_FORMAT("elf32-avr32", "elf32-avr32", "elf32-avr32")
++OUTPUT_ARCH(avr32)
++ENTRY(_start)
++
++/* Big endian */
++jiffies = jiffies_64 + 4;
++
++SECTIONS
++{
++ . = CONFIG_ENTRY_ADDRESS;
++ .init : AT(ADDR(.init) - LOAD_OFFSET) {
++ _stext = .;
++ __init_begin = .;
++ _sinittext = .;
++ *(.text.reset)
++ *(.init.text)
++ /*
++ * .exit.text is discarded at runtime, not
++ * link time, to deal with references from
++ * __bug_table
++ */
++ *(.exit.text)
++ _einittext = .;
++ . = ALIGN(4);
++ __tagtable_begin = .;
++ *(.taglist.init)
++ __tagtable_end = .;
++ *(.init.data)
++ . = ALIGN(16);
++ __setup_start = .;
++ *(.init.setup)
++ __setup_end = .;
++ . = ALIGN(4);
++ __initcall_start = .;
++ INITCALLS
++ __initcall_end = .;
++ __con_initcall_start = .;
++ *(.con_initcall.init)
++ __con_initcall_end = .;
++ __security_initcall_start = .;
++ *(.security_initcall.init)
++ __security_initcall_end = .;
++#ifdef CONFIG_BLK_DEV_INITRD
++ . = ALIGN(32);
++ __initramfs_start = .;
++ *(.init.ramfs)
++ __initramfs_end = .;
++#endif
++ . = ALIGN(PAGE_SIZE);
++ __init_end = .;
++ }
++
++ .text : AT(ADDR(.text) - LOAD_OFFSET) {
++ _evba = .;
++ _text = .;
++ *(.ex.text)
++ . = 0x50;
++ *(.tlbx.ex.text)
++ . = 0x60;
++ *(.tlbr.ex.text)
++ . = 0x70;
++ *(.tlbw.ex.text)
++ . = 0x100;
++ *(.scall.text)
++ *(.irq.text)
++ TEXT_TEXT
++ SCHED_TEXT
++ LOCK_TEXT
++ KPROBES_TEXT
++ *(.fixup)
++ *(.gnu.warning)
++ _etext = .;
++ } = 0xd703d703
++
++ . = ALIGN(4);
++ __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
++ __start___ex_table = .;
++ *(__ex_table)
++ __stop___ex_table = .;
++ }
++
++ BUG_TABLE
++
++ RODATA
++
++ . = ALIGN(THREAD_SIZE);
++
++ .data : AT(ADDR(.data) - LOAD_OFFSET) {
++ _data = .;
++ _sdata = .;
++ /*
++ * First, the init task union, aligned to an 8K boundary.
++ */
++ *(.data.init_task)
+
-+ parent_rate = clk->parent->get_rate(clk->parent);
-+ control = pm_readl(CKSEL);
++ /* Then, the cacheline aligned data */
++ . = ALIGN(L1_CACHE_BYTES);
++ *(.data.cacheline_aligned)
+
-+ if (control & PM_BIT(HSBDIV))
-+ child_div = 1 << (PM_BFEXT(HSBSEL, control) + 1);
-+ else
-+ child_div = 1;
++ /* And the rest... */
++ *(.data.rel*)
++ DATA_DATA
++ CONSTRUCTORS
+
-+ if (rate > 3 * (parent_rate / 4) || child_div == 1) {
-+ actual_rate = parent_rate;
-+ control &= ~PM_BIT(CPUDIV);
-+ } else {
-+ unsigned int cpusel;
-+ div = (parent_rate + rate / 2) / rate;
-+ if (div > child_div)
-+ div = child_div;
-+ cpusel = (div > 1) ? (fls(div) - 2) : 0;
-+ control = PM_BIT(CPUDIV) | PM_BFINS(CPUSEL, cpusel, control);
-+ actual_rate = parent_rate / (1 << (cpusel + 1));
++ _edata = .;
+ }
+
-+ pr_debug("clk %s: new rate %lu (actual rate %lu)\n",
-+ clk->name, rate, actual_rate);
+
-+ if (apply)
-+ pm_writel(CKSEL, control);
++ . = ALIGN(8);
++ .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
++ __bss_start = .;
++ *(.bss)
++ *(COMMON)
++ . = ALIGN(8);
++ __bss_stop = .;
++ _end = .;
++ }
+
-+ return actual_rate;
-+}
++ /* When something in the kernel is NOT compiled as a module, the module
++ * cleanup code and data are put into these segments. Both can then be
++ * thrown away, as cleanup code is never called unless it's a module.
++ */
++ /DISCARD/ : {
++ *(.exit.data)
++ *(.exitcall.exit)
++ }
+
- static void hsb_clk_mode(struct clk *clk, int enabled)
- {
-- struct at32_sm *sm = &system_manager;
- unsigned long flags;
- u32 mask;
-
-- spin_lock_irqsave(&sm->lock, flags);
-- mask = sm_readl(sm, PM_HSB_MASK);
-+ spin_lock_irqsave(&pm_lock, flags);
-+ mask = pm_readl(HSB_MASK);
- if (enabled)
- mask |= 1 << clk->index;
- else
- mask &= ~(1 << clk->index);
-- sm_writel(sm, PM_HSB_MASK, mask);
-- spin_unlock_irqrestore(&sm->lock, flags);
-+ pm_writel(HSB_MASK, mask);
-+ spin_unlock_irqrestore(&pm_lock, flags);
- }
-
- static unsigned long hsb_clk_get_rate(struct clk *clk)
- {
- unsigned long cksel, shift = 0;
-
-- cksel = sm_readl(&system_manager, PM_CKSEL);
-- if (cksel & SM_BIT(HSBDIV))
-- shift = SM_BFEXT(HSBSEL, cksel) + 1;
-+ cksel = pm_readl(CKSEL);
-+ if (cksel & PM_BIT(HSBDIV))
-+ shift = PM_BFEXT(HSBSEL, cksel) + 1;
-
- return bus_clk_get_rate(clk, shift);
- }
-
- static void pba_clk_mode(struct clk *clk, int enabled)
- {
-- struct at32_sm *sm = &system_manager;
- unsigned long flags;
- u32 mask;
-
-- spin_lock_irqsave(&sm->lock, flags);
-- mask = sm_readl(sm, PM_PBA_MASK);
-+ spin_lock_irqsave(&pm_lock, flags);
-+ mask = pm_readl(PBA_MASK);
- if (enabled)
- mask |= 1 << clk->index;
- else
- mask &= ~(1 << clk->index);
-- sm_writel(sm, PM_PBA_MASK, mask);
-- spin_unlock_irqrestore(&sm->lock, flags);
-+ pm_writel(PBA_MASK, mask);
-+ spin_unlock_irqrestore(&pm_lock, flags);
- }
-
- static unsigned long pba_clk_get_rate(struct clk *clk)
- {
- unsigned long cksel, shift = 0;
-
-- cksel = sm_readl(&system_manager, PM_CKSEL);
-- if (cksel & SM_BIT(PBADIV))
-- shift = SM_BFEXT(PBASEL, cksel) + 1;
-+ cksel = pm_readl(CKSEL);
-+ if (cksel & PM_BIT(PBADIV))
-+ shift = PM_BFEXT(PBASEL, cksel) + 1;
-
- return bus_clk_get_rate(clk, shift);
- }
-
- static void pbb_clk_mode(struct clk *clk, int enabled)
- {
-- struct at32_sm *sm = &system_manager;
- unsigned long flags;
- u32 mask;
-
-- spin_lock_irqsave(&sm->lock, flags);
-- mask = sm_readl(sm, PM_PBB_MASK);
-+ spin_lock_irqsave(&pm_lock, flags);
-+ mask = pm_readl(PBB_MASK);
- if (enabled)
- mask |= 1 << clk->index;
- else
- mask &= ~(1 << clk->index);
-- sm_writel(sm, PM_PBB_MASK, mask);
-- spin_unlock_irqrestore(&sm->lock, flags);
-+ pm_writel(PBB_MASK, mask);
-+ spin_unlock_irqrestore(&pm_lock, flags);
- }
-
- static unsigned long pbb_clk_get_rate(struct clk *clk)
- {
- unsigned long cksel, shift = 0;
-
-- cksel = sm_readl(&system_manager, PM_CKSEL);
-- if (cksel & SM_BIT(PBBDIV))
-- shift = SM_BFEXT(PBBSEL, cksel) + 1;
-+ cksel = pm_readl(CKSEL);
-+ if (cksel & PM_BIT(PBBDIV))
-+ shift = PM_BFEXT(PBBSEL, cksel) + 1;
-
- return bus_clk_get_rate(clk, shift);
- }
-@@ -296,6 +335,7 @@
- static struct clk cpu_clk = {
- .name = "cpu",
- .get_rate = cpu_clk_get_rate,
-+ .set_rate = cpu_clk_set_rate,
- .users = 1,
- };
- static struct clk hsb_clk = {
-@@ -327,12 +367,12 @@
- {
- u32 control;
-
-- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
-+ control = pm_readl(GCCTRL(clk->index));
- if (enabled)
-- control |= SM_BIT(CEN);
-+ control |= PM_BIT(CEN);
- else
-- control &= ~SM_BIT(CEN);
-- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
-+ control &= ~PM_BIT(CEN);
-+ pm_writel(GCCTRL(clk->index), control);
- }
-
- static unsigned long genclk_get_rate(struct clk *clk)
-@@ -340,9 +380,9 @@
- u32 control;
- unsigned long div = 1;
-
-- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
-- if (control & SM_BIT(DIVEN))
-- div = 2 * (SM_BFEXT(DIV, control) + 1);
-+ control = pm_readl(GCCTRL(clk->index));
-+ if (control & PM_BIT(DIVEN))
-+ div = 2 * (PM_BFEXT(DIV, control) + 1);
-
- return clk->parent->get_rate(clk->parent) / div;
- }
-@@ -353,23 +393,22 @@
- unsigned long parent_rate, actual_rate, div;
-
- parent_rate = clk->parent->get_rate(clk->parent);
-- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
-+ control = pm_readl(GCCTRL(clk->index));
-
- if (rate > 3 * parent_rate / 4) {
- actual_rate = parent_rate;
-- control &= ~SM_BIT(DIVEN);
-+ control &= ~PM_BIT(DIVEN);
- } else {
- div = (parent_rate + rate) / (2 * rate) - 1;
-- control = SM_BFINS(DIV, div, control) | SM_BIT(DIVEN);
-+ control = PM_BFINS(DIV, div, control) | PM_BIT(DIVEN);
- actual_rate = parent_rate / (2 * (div + 1));
- }
-
-- printk("clk %s: new rate %lu (actual rate %lu)\n",
-- clk->name, rate, actual_rate);
-+ dev_dbg(clk->dev, "clk %s: new rate %lu (actual rate %lu)\n",
-+ clk->name, rate, actual_rate);
-
- if (apply)
-- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index,
-- control);
-+ pm_writel(GCCTRL(clk->index), control);
-
- return actual_rate;
- }
-@@ -378,24 +417,24 @@
- {
- u32 control;
-
-- printk("clk %s: new parent %s (was %s)\n",
-- clk->name, parent->name, clk->parent->name);
-+ dev_dbg(clk->dev, "clk %s: new parent %s (was %s)\n",
-+ clk->name, parent->name, clk->parent->name);
-
-- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
-+ control = pm_readl(GCCTRL(clk->index));
-
- if (parent == &osc1 || parent == &pll1)
-- control |= SM_BIT(OSCSEL);
-+ control |= PM_BIT(OSCSEL);
- else if (parent == &osc0 || parent == &pll0)
-- control &= ~SM_BIT(OSCSEL);
-+ control &= ~PM_BIT(OSCSEL);
- else
- return -EINVAL;
-
- if (parent == &pll0 || parent == &pll1)
-- control |= SM_BIT(PLLSEL);
-+ control |= PM_BIT(PLLSEL);
- else
-- control &= ~SM_BIT(PLLSEL);
-+ control &= ~PM_BIT(PLLSEL);
++ DWARF_DEBUG
++}
+diff --git a/arch/avr32/kernel/vmlinux.lds.c b/arch/avr32/kernel/vmlinux.lds.c
+deleted file mode 100644
+index db0438f..0000000
+--- a/arch/avr32/kernel/vmlinux.lds.c
++++ /dev/null
+@@ -1,142 +0,0 @@
+-/*
+- * AVR32 linker script for the Linux kernel
+- *
+- * Copyright (C) 2004-2006 Atmel Corporation
+- *
+- * This program is free software; you can redistribute it and/or modify
+- * it under the terms of the GNU General Public License version 2 as
+- * published by the Free Software Foundation.
+- */
+-#define LOAD_OFFSET 0x00000000
+-#include <asm-generic/vmlinux.lds.h>
+-
+-OUTPUT_FORMAT("elf32-avr32", "elf32-avr32", "elf32-avr32")
+-OUTPUT_ARCH(avr32)
+-ENTRY(_start)
+-
+-/* Big endian */
+-jiffies = jiffies_64 + 4;
+-
+-SECTIONS
+-{
+- . = CONFIG_ENTRY_ADDRESS;
+- .init : AT(ADDR(.init) - LOAD_OFFSET) {
+- _stext = .;
+- __init_begin = .;
+- _sinittext = .;
+- *(.text.reset)
+- *(.init.text)
+- /*
+- * .exit.text is discarded at runtime, not
+- * link time, to deal with references from
+- * __bug_table
+- */
+- *(.exit.text)
+- _einittext = .;
+- . = ALIGN(4);
+- __tagtable_begin = .;
+- *(.taglist.init)
+- __tagtable_end = .;
+- *(.init.data)
+- . = ALIGN(16);
+- __setup_start = .;
+- *(.init.setup)
+- __setup_end = .;
+- . = ALIGN(4);
+- __initcall_start = .;
+- INITCALLS
+- __initcall_end = .;
+- __con_initcall_start = .;
+- *(.con_initcall.init)
+- __con_initcall_end = .;
+- __security_initcall_start = .;
+- *(.security_initcall.init)
+- __security_initcall_end = .;
+-#ifdef CONFIG_BLK_DEV_INITRD
+- . = ALIGN(32);
+- __initramfs_start = .;
+- *(.init.ramfs)
+- __initramfs_end = .;
+-#endif
+- . = ALIGN(4096);
+- __init_end = .;
+- }
+-
+- . = ALIGN(8192);
+- .text : AT(ADDR(.text) - LOAD_OFFSET) {
+- _evba = .;
+- _text = .;
+- *(.ex.text)
+- . = 0x50;
+- *(.tlbx.ex.text)
+- . = 0x60;
+- *(.tlbr.ex.text)
+- . = 0x70;
+- *(.tlbw.ex.text)
+- . = 0x100;
+- *(.scall.text)
+- *(.irq.text)
+- TEXT_TEXT
+- SCHED_TEXT
+- LOCK_TEXT
+- KPROBES_TEXT
+- *(.fixup)
+- *(.gnu.warning)
+- _etext = .;
+- } = 0xd703d703
+-
+- . = ALIGN(4);
+- __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
+- __start___ex_table = .;
+- *(__ex_table)
+- __stop___ex_table = .;
+- }
+-
+- BUG_TABLE
+-
+- RODATA
+-
+- . = ALIGN(8192);
+-
+- .data : AT(ADDR(.data) - LOAD_OFFSET) {
+- _data = .;
+- _sdata = .;
+- /*
+- * First, the init task union, aligned to an 8K boundary.
+- */
+- *(.data.init_task)
+-
+- /* Then, the cacheline aligned data */
+- . = ALIGN(32);
+- *(.data.cacheline_aligned)
+-
+- /* And the rest... */
+- *(.data.rel*)
+- DATA_DATA
+- CONSTRUCTORS
+-
+- _edata = .;
+- }
+-
+-
+- . = ALIGN(8);
+- .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
+- __bss_start = .;
+- *(.bss)
+- *(COMMON)
+- . = ALIGN(8);
+- __bss_stop = .;
+- _end = .;
+- }
+-
+- /* When something in the kernel is NOT compiled as a module, the module
+- * cleanup code and data are put into these segments. Both can then be
+- * thrown away, as cleanup code is never called unless it's a module.
+- */
+- /DISCARD/ : {
+- *(.exit.data)
+- *(.exitcall.exit)
+- }
+-
+- DWARF_DEBUG
+-}
+diff --git a/arch/avr32/mach-at32ap/Kconfig b/arch/avr32/mach-at32ap/Kconfig
+index eb30783..43c5b9f 100644
+--- a/arch/avr32/mach-at32ap/Kconfig
++++ b/arch/avr32/mach-at32ap/Kconfig
+@@ -26,6 +26,13 @@ config AP7000_8_BIT_SMC
-- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
-+ pm_writel(GCCTRL(clk->index), control);
- clk->parent = parent;
+ endchoice
- return 0;
-@@ -408,11 +447,11 @@
++config GPIO_DEV
++ bool "GPIO /dev interface"
++ select CONFIGFS_FS
++ default n
++ help
++ Say `Y' to enable a /dev interface to the GPIO pins.
++
+ endmenu
- BUG_ON(clk->index > 7);
+ endif # PLATFORM_AT32AP
+diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile
+index a8b4450..250372a 100644
+--- a/arch/avr32/mach-at32ap/Makefile
++++ b/arch/avr32/mach-at32ap/Makefile
+@@ -2,3 +2,4 @@ obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o
+ obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o
+ obj-$(CONFIG_CPU_AT32AP7000) += time-tc.o
+ obj-$(CONFIG_CPU_FREQ_AT32AP) += cpufreq.o
++obj-$(CONFIG_GPIO_DEV) += gpio-dev.o
+diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c
+index 64cc558..8375f89 100644
+--- a/arch/avr32/mach-at32ap/at32ap7000.c
++++ b/arch/avr32/mach-at32ap/at32ap7000.c
+@@ -25,12 +25,6 @@
+ #include "pio.h"
+ #include "pm.h"
-- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
-- if (control & SM_BIT(OSCSEL))
-- parent = (control & SM_BIT(PLLSEL)) ? &pll1 : &osc1;
-+ control = pm_readl(GCCTRL(clk->index));
-+ if (control & PM_BIT(OSCSEL))
-+ parent = (control & PM_BIT(PLLSEL)) ? &pll1 : &osc1;
- else
-- parent = (control & SM_BIT(PLLSEL)) ? &pll0 : &osc0;
-+ parent = (control & PM_BIT(PLLSEL)) ? &pll0 : &osc0;
+-/*
+- * We can reduce the code size a bit by using a constant here. Since
+- * this file is completely chip-specific, it's safe to not use
+- * ioremap. Generic drivers should of course never do this.
+- */
+-#define AT32_PM_BASE 0xfff00000
- clk->parent = parent;
- }
-@@ -420,21 +459,53 @@
- /* --------------------------------------------------------------------
- * System peripherals
- * -------------------------------------------------------------------- */
--static struct resource sm_resource[] = {
-- PBMEM(0xfff00000),
-- NAMED_IRQ(19, "eim"),
-- NAMED_IRQ(20, "pm"),
-- NAMED_IRQ(21, "rtc"),
-+static struct resource at32_pm0_resource[] = {
-+ {
-+ .start = 0xfff00000,
-+ .end = 0xfff0007f,
-+ .flags = IORESOURCE_MEM,
-+ },
-+ IRQ(20),
- };
--struct platform_device at32_sm_device = {
-- .name = "sm",
-- .id = 0,
-- .resource = sm_resource,
-- .num_resources = ARRAY_SIZE(sm_resource),
-+
-+static struct resource at32ap700x_rtc0_resource[] = {
-+ {
-+ .start = 0xfff00080,
-+ .end = 0xfff000af,
-+ .flags = IORESOURCE_MEM,
-+ },
-+ IRQ(21),
-+};
-+
-+static struct resource at32_wdt0_resource[] = {
-+ {
-+ .start = 0xfff000b0,
-+ .end = 0xfff000bf,
-+ .flags = IORESOURCE_MEM,
-+ },
-+};
-+
-+static struct resource at32_eic0_resource[] = {
-+ {
-+ .start = 0xfff00100,
-+ .end = 0xfff0013f,
-+ .flags = IORESOURCE_MEM,
-+ },
-+ IRQ(19),
- };
--static struct clk at32_sm_pclk = {
-+
-+DEFINE_DEV(at32_pm, 0);
-+DEFINE_DEV(at32ap700x_rtc, 0);
-+DEFINE_DEV(at32_wdt, 0);
-+DEFINE_DEV(at32_eic, 0);
-+
-+/*
-+ * Peripheral clock for PM, RTC, WDT and EIC. PM will ensure that this
-+ * is always running.
-+ */
-+static struct clk at32_pm_pclk = {
- .name = "pclk",
-- .dev = &at32_sm_device.dev,
-+ .dev = &at32_pm0_device.dev,
- .parent = &pbb_clk,
- .mode = pbb_clk_mode,
- .get_rate = pbb_clk_get_rate,
-@@ -491,6 +562,17 @@
+ #define PBMEM(base) \
+ { \
+@@ -562,6 +556,17 @@ static struct clk pico_clk = {
.users = 1,
};
/* --------------------------------------------------------------------
* HMATRIX
* -------------------------------------------------------------------- */
-@@ -583,12 +665,14 @@
-
- void __init at32_add_system_devices(void)
- {
-- system_manager.eim_first_irq = EIM_IRQ_BASE;
--
-- platform_device_register(&at32_sm_device);
-+ platform_device_register(&at32_pm0_device);
- platform_device_register(&at32_intc0_device);
-+ platform_device_register(&at32ap700x_rtc0_device);
-+ platform_device_register(&at32_wdt0_device);
-+ platform_device_register(&at32_eic0_device);
+@@ -661,6 +666,7 @@ void __init at32_add_system_devices(void)
+ platform_device_register(&at32_eic0_device);
platform_device_register(&smc0_device);
platform_device_register(&pdc_device);
+ platform_device_register(&dmaca0_device);
platform_device_register(&at32_systc0_device);
-@@ -894,6 +978,83 @@
+@@ -966,6 +972,83 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
}
/* --------------------------------------------------------------------
* LCDC
* -------------------------------------------------------------------- */
static struct atmel_lcdfb_info atmel_lcdfb0_data;
-@@ -1013,6 +1174,228 @@
+@@ -1168,6 +1251,143 @@ at32_add_device_ssc(unsigned int id, unsigned int flags)
}
/* --------------------------------------------------------------------
+ * -------------------------------------------------------------------- */
+static struct resource usba0_resource[] __initdata = {
+ {
-+ .name = "fifo",
+ .start = 0xff300000,
+ .end = 0xff3fffff,
+ .flags = IORESOURCE_MEM,
+ }, {
-+ .name = "regs",
+ .start = 0xfff03000,
+ .end = 0xfff033ff,
+ .flags = IORESOURCE_MEM,
+}
+
+/* --------------------------------------------------------------------
-+ * SSC
-+ * -------------------------------------------------------------------- */
-+static struct resource ssc0_resource[] = {
-+ PBMEM(0xffe01c00),
-+ IRQ(10),
-+};
-+DEFINE_DEV(ssc, 0);
-+DEV_CLK(pclk, ssc0, pba, 7);
-+
-+static struct resource ssc1_resource[] = {
-+ PBMEM(0xffe02000),
-+ IRQ(11),
-+};
-+DEFINE_DEV(ssc, 1);
-+DEV_CLK(pclk, ssc1, pba, 8);
-+
-+static struct resource ssc2_resource[] = {
-+ PBMEM(0xffe02400),
-+ IRQ(12),
-+};
-+DEFINE_DEV(ssc, 2);
-+DEV_CLK(pclk, ssc2, pba, 9);
-+
-+struct platform_device *__init
-+at32_add_device_ssc(unsigned int id, unsigned int flags)
-+{
-+ struct platform_device *pdev;
-+
-+ switch (id) {
-+ case 0:
-+ pdev = &ssc0_device;
-+ if (flags & ATMEL_SSC_RF)
-+ select_peripheral(PA(21), PERIPH_A, 0); /* RF */
-+ if (flags & ATMEL_SSC_RK)
-+ select_peripheral(PA(22), PERIPH_A, 0); /* RK */
-+ if (flags & ATMEL_SSC_TK)
-+ select_peripheral(PA(23), PERIPH_A, 0); /* TK */
-+ if (flags & ATMEL_SSC_TF)
-+ select_peripheral(PA(24), PERIPH_A, 0); /* TF */
-+ if (flags & ATMEL_SSC_TD)
-+ select_peripheral(PA(25), PERIPH_A, 0); /* TD */
-+ if (flags & ATMEL_SSC_RD)
-+ select_peripheral(PA(26), PERIPH_A, 0); /* RD */
-+ break;
-+ case 1:
-+ pdev = &ssc1_device;
-+ if (flags & ATMEL_SSC_RF)
-+ select_peripheral(PA(0), PERIPH_B, 0); /* RF */
-+ if (flags & ATMEL_SSC_RK)
-+ select_peripheral(PA(1), PERIPH_B, 0); /* RK */
-+ if (flags & ATMEL_SSC_TK)
-+ select_peripheral(PA(2), PERIPH_B, 0); /* TK */
-+ if (flags & ATMEL_SSC_TF)
-+ select_peripheral(PA(3), PERIPH_B, 0); /* TF */
-+ if (flags & ATMEL_SSC_TD)
-+ select_peripheral(PA(4), PERIPH_B, 0); /* TD */
-+ if (flags & ATMEL_SSC_RD)
-+ select_peripheral(PA(5), PERIPH_B, 0); /* RD */
-+ break;
-+ case 2:
-+ pdev = &ssc2_device;
-+ if (flags & ATMEL_SSC_TD)
-+ select_peripheral(PB(13), PERIPH_A, 0); /* TD */
-+ if (flags & ATMEL_SSC_RD)
-+ select_peripheral(PB(14), PERIPH_A, 0); /* RD */
-+ if (flags & ATMEL_SSC_TK)
-+ select_peripheral(PB(15), PERIPH_A, 0); /* TK */
-+ if (flags & ATMEL_SSC_TF)
-+ select_peripheral(PB(16), PERIPH_A, 0); /* TF */
-+ if (flags & ATMEL_SSC_RF)
-+ select_peripheral(PB(17), PERIPH_A, 0); /* RF */
-+ if (flags & ATMEL_SSC_RK)
-+ select_peripheral(PB(18), PERIPH_A, 0); /* RK */
-+ break;
-+ default:
-+ return NULL;
-+ }
-+
-+ platform_device_register(pdev);
-+ return pdev;
-+}
-+
-+/* --------------------------------------------------------------------
+ * AC97C
+ * -------------------------------------------------------------------- */
+static struct resource atmel_ac97c0_resource[] = {
* GCLK
* -------------------------------------------------------------------- */
static struct clk gclk0 = {
-@@ -1066,7 +1449,7 @@
- &hsb_clk,
- &pba_clk,
- &pbb_clk,
-- &at32_sm_pclk,
-+ &at32_pm_pclk,
- &at32_intc0_pclk,
- &hmatrix_clk,
- &ebi_clk,
-@@ -1075,6 +1458,7 @@
+@@ -1230,6 +1450,7 @@ struct clk *at32_clock_list[] = {
&smc0_mck,
&pdc_hclk,
&pdc_pclk,
&pico_clk,
&pio0_mck,
&pio1_mck,
-@@ -1092,8 +1476,18 @@
+@@ -1247,11 +1468,18 @@ struct clk *at32_clock_list[] = {
&macb1_pclk,
&atmel_spi0_spi_clk,
&atmel_spi1_spi_clk,
+ &atmel_mci0_mci_clk,
&atmel_lcdfb0_hck1,
&atmel_lcdfb0_pixclk,
-+ &usba0_pclk,
+ &ssc0_pclk,
+ &ssc1_pclk,
+ &ssc2_pclk,
+ &usba0_hclk,
-+ &ssc0_pclk,
-+ &ssc1_pclk,
-+ &ssc2_pclk,
++ &usba0_pclk,
+ &atmel_ac97c0_pclk,
+ &abdac0_pclk,
+ &abdac0_sample_clk,
&gclk0,
&gclk1,
&gclk2,
-@@ -1113,18 +1507,20 @@
-
- void __init at32_clock_init(void)
- {
-- struct at32_sm *sm = &system_manager;
- u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0;
- int i;
-
-- if (sm_readl(sm, PM_MCCTRL) & SM_BIT(PLLSEL))
-+ if (pm_readl(MCCTRL) & PM_BIT(PLLSEL)) {
- main_clock = &pll0;
-- else
-+ cpu_clk.parent = &pll0;
-+ } else {
- main_clock = &osc0;
-+ cpu_clk.parent = &osc0;
-+ }
-
-- if (sm_readl(sm, PM_PLL0) & SM_BIT(PLLOSC))
-+ if (pm_readl(PLL0) & PM_BIT(PLLOSC))
- pll0.parent = &osc1;
-- if (sm_readl(sm, PM_PLL1) & SM_BIT(PLLOSC))
-+ if (pm_readl(PLL1) & PM_BIT(PLLOSC))
- pll1.parent = &osc1;
-
- genclk_init_parent(&gclk0);
-@@ -1133,6 +1529,7 @@
+@@ -1293,6 +1521,7 @@ void __init at32_clock_init(void)
genclk_init_parent(&gclk3);
genclk_init_parent(&gclk4);
genclk_init_parent(&atmel_lcdfb0_pixclk);
/*
* Turn on all clocks that have at least one user already, and
-@@ -1157,8 +1554,8 @@
- pbb_mask |= 1 << clk->index;
- }
-
-- sm_writel(sm, PM_CPU_MASK, cpu_mask);
-- sm_writel(sm, PM_HSB_MASK, hsb_mask);
-- sm_writel(sm, PM_PBA_MASK, pba_mask);
-- sm_writel(sm, PM_PBB_MASK, pbb_mask);
-+ pm_writel(CPU_MASK, cpu_mask);
-+ pm_writel(HSB_MASK, hsb_mask);
-+ pm_writel(PBA_MASK, pba_mask);
-+ pm_writel(PBB_MASK, pbb_mask);
- }
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/at32ap.c linux-avr32.git/arch/avr32/mach-at32ap/at32ap.c
---- linux-2.6.22.1/arch/avr32/mach-at32ap/at32ap.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/mach-at32ap/at32ap.c 2007-07-12 13:59:49.000000000 +0200
-@@ -11,41 +11,10 @@
- #include <linux/init.h>
- #include <linux/platform_device.h>
-
--#include <asm/io.h>
--
- #include <asm/arch/init.h>
--#include <asm/arch/sm.h>
--
--struct at32_sm system_manager;
--
--static int __init at32_sm_init(void)
--{
-- struct resource *regs;
-- struct at32_sm *sm = &system_manager;
-- int ret = -ENXIO;
--
-- regs = platform_get_resource(&at32_sm_device, IORESOURCE_MEM, 0);
-- if (!regs)
-- goto fail;
--
-- spin_lock_init(&sm->lock);
-- sm->pdev = &at32_sm_device;
--
-- ret = -ENOMEM;
-- sm->regs = ioremap(regs->start, regs->end - regs->start + 1);
-- if (!sm->regs)
-- goto fail;
--
-- return 0;
--
--fail:
-- printk(KERN_ERR "Failed to initialize System Manager: %d\n", ret);
-- return ret;
--}
-
- void __init setup_platform(void)
- {
-- at32_sm_init();
- at32_clock_init();
- at32_portmux_init();
+diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c
+index 0f8c89c..4642117 100644
+--- a/arch/avr32/mach-at32ap/clock.c
++++ b/arch/avr32/mach-at32ap/clock.c
+@@ -150,3 +150,119 @@ struct clk *clk_get_parent(struct clk *clk)
+ return clk->parent;
}
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/cpufreq.c linux-avr32.git/arch/avr32/mach-at32ap/cpufreq.c
---- linux-2.6.22.1/arch/avr32/mach-at32ap/cpufreq.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/arch/avr32/mach-at32ap/cpufreq.c 2007-07-12 13:59:49.000000000 +0200
-@@ -0,0 +1,112 @@
-+/*
-+ * Copyright (C) 2004-2007 Atmel Corporation
-+ *
-+ * Based on MIPS implementation arch/mips/kernel/time.c
-+ * Copyright 2001 MontaVista Software Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/*#define DEBUG*/
-+
-+#include <linux/kernel.h>
-+#include <linux/types.h>
-+#include <linux/init.h>
-+#include <linux/cpufreq.h>
-+#include <linux/io.h>
-+#include <linux/clk.h>
-+#include <linux/err.h>
-+#include <asm/system.h>
-+
-+static struct clk *cpuclk;
-+
-+static int at32_verify_speed(struct cpufreq_policy *policy)
-+{
-+ if (policy->cpu != 0)
-+ return -EINVAL;
-+
-+ cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
-+ policy->cpuinfo.max_freq);
-+ return 0;
-+}
-+
-+static unsigned int at32_get_speed(unsigned int cpu)
-+{
-+ /* No SMP support */
-+ if (cpu)
-+ return 0;
-+ return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000);
-+}
+ EXPORT_SYMBOL(clk_get_parent);
+
-+static int at32_set_target(struct cpufreq_policy *policy,
-+ unsigned int target_freq,
-+ unsigned int relation)
-+{
-+ struct cpufreq_freqs freqs;
-+ long freq;
+
-+ /* Convert target_freq from kHz to Hz */
-+ freq = clk_round_rate(cpuclk, target_freq * 1000);
+
-+ /* Check if policy->min <= new_freq <= policy->max */
-+ if(freq < (policy->min * 1000) || freq > (policy->max * 1000))
-+ return -EINVAL;
++#ifdef CONFIG_DEBUG_FS
+
-+ pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000);
++/* /sys/kernel/debug/at32ap_clk */
+
-+ freqs.old = at32_get_speed(0);
-+ freqs.new = (freq + 500) / 1000;
-+ freqs.cpu = 0;
-+ freqs.flags = 0;
++#include <linux/io.h>
++#include <linux/debugfs.h>
++#include <linux/seq_file.h>
++#include "pm.h"
+
-+ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
-+ clk_set_rate(cpuclk, freq);
-+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+
-+ pr_debug("cpufreq: set frequency %lu Hz\n", freq);
++#define NEST_DELTA 2
++#define NEST_MAX 6
+
-+ return 0;
-+}
++struct clkinf {
++ struct seq_file *s;
++ unsigned nest;
++};
+
-+static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy)
++static void
++dump_clock(struct clk *parent, struct clkinf *r)
+{
-+ if (policy->cpu != 0)
-+ return -EINVAL;
++ unsigned nest = r->nest;
++ char buf[16 + NEST_MAX];
++ struct clk *clk;
++ unsigned i;
++
++ /* skip clocks coupled to devices that aren't registered */
++ if (parent->dev && !parent->dev->bus_id[0] && !parent->users)
++ return;
+
-+ cpuclk = clk_get(NULL, "cpu");
-+ if (IS_ERR(cpuclk)) {
-+ pr_debug("cpufreq: could not get CPU clk\n");
-+ return PTR_ERR(cpuclk);
++ /* <nest spaces> name <pad to end> */
++ memset(buf, ' ', sizeof(buf) - 1);
++ buf[sizeof(buf) - 1] = 0;
++ i = strlen(parent->name);
++ memcpy(buf + nest, parent->name,
++ min(i, (unsigned)(sizeof(buf) - 1 - nest)));
++
++ seq_printf(r->s, "%s%c users=%2d %-3s %9ld Hz",
++ buf, parent->set_parent ? '*' : ' ',
++ parent->users,
++ parent->users ? "on" : "off", /* NOTE: not-paranoid!! */
++ clk_get_rate(parent));
++ if (parent->dev)
++ seq_printf(r->s, ", for %s", parent->dev->bus_id);
++ seq_printf(r->s, "\n");
++
++ /* cost of this scan is small, but not linear... */
++ r->nest = nest + NEST_DELTA;
++ for (i = 3; i < at32_nr_clocks; i++) {
++ clk = at32_clock_list[i];
++ if (clk->parent == parent)
++ dump_clock(clk, r);
++ }
++ r->nest = nest;
++}
++
++static int clk_show(struct seq_file *s, void *unused)
++{
++ struct clkinf r;
++ int i;
++
++ /* show all the power manager registers */
++ seq_printf(s, "MCCTRL = %8x\n", pm_readl(MCCTRL));
++ seq_printf(s, "CKSEL = %8x\n", pm_readl(CKSEL));
++ seq_printf(s, "CPUMASK = %8x\n", pm_readl(CPU_MASK));
++ seq_printf(s, "HSBMASK = %8x\n", pm_readl(HSB_MASK));
++ seq_printf(s, "PBAMASK = %8x\n", pm_readl(PBA_MASK));
++ seq_printf(s, "PBBMASK = %8x\n", pm_readl(PBB_MASK));
++ seq_printf(s, "PLL0 = %8x\n", pm_readl(PLL0));
++ seq_printf(s, "PLL1 = %8x\n", pm_readl(PLL1));
++ seq_printf(s, "IMR = %8x\n", pm_readl(IMR));
++ for (i = 0; i < 8; i++) {
++ if (i == 5)
++ continue;
++ seq_printf(s, "GCCTRL%d = %8x\n", i, pm_readl(GCCTRL(i)));
+ }
+
-+ policy->cpuinfo.min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000;
-+ policy->cpuinfo.max_freq = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
-+ policy->cpuinfo.transition_latency = 0;
-+ policy->cur = at32_get_speed(0);
-+ policy->min = policy->cpuinfo.min_freq;
-+ policy->max = policy->cpuinfo.max_freq;
-+ policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
++ seq_printf(s, "\n");
+
-+ printk("cpufreq: AT32AP CPU frequency driver\n");
++ /* show clock tree as derived from the three oscillators
++ * we "know" are at the head of the list
++ */
++ r.s = s;
++ r.nest = 0;
++ dump_clock(at32_clock_list[0], &r);
++ dump_clock(at32_clock_list[1], &r);
++ dump_clock(at32_clock_list[2], &r);
+
+ return 0;
+}
+
-+static struct cpufreq_driver at32_driver = {
-+ .name = "at32ap",
-+ .owner = THIS_MODULE,
-+ .init = at32_cpufreq_driver_init,
-+ .verify = at32_verify_speed,
-+ .target = at32_set_target,
-+ .get = at32_get_speed,
-+ .flags = CPUFREQ_STICKY,
-+};
-+
-+static int __init at32_cpufreq_init(void)
++static int clk_open(struct inode *inode, struct file *file)
+{
-+ return cpufreq_register_driver(&at32_driver);
++ return single_open(file, clk_show, NULL);
+}
+
-+arch_initcall(at32_cpufreq_init);
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/extint.c linux-avr32.git/arch/avr32/mach-at32ap/extint.c
---- linux-2.6.22.1/arch/avr32/mach-at32ap/extint.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/mach-at32ap/extint.c 2007-07-12 13:59:49.000000000 +0200
-@@ -17,42 +17,83 @@
-
- #include <asm/io.h>
-
--#include <asm/arch/sm.h>
--
--#include "sm.h"
-+/* EIC register offsets */
-+#define EIC_IER 0x0000
-+#define EIC_IDR 0x0004
-+#define EIC_IMR 0x0008
-+#define EIC_ISR 0x000c
-+#define EIC_ICR 0x0010
-+#define EIC_MODE 0x0014
-+#define EIC_EDGE 0x0018
-+#define EIC_LEVEL 0x001c
-+#define EIC_TEST 0x0020
-+#define EIC_NMIC 0x0024
-+
-+/* Bitfields in TEST */
-+#define EIC_TESTEN_OFFSET 31
-+#define EIC_TESTEN_SIZE 1
-+
-+/* Bitfields in NMIC */
-+#define EIC_EN_OFFSET 0
-+#define EIC_EN_SIZE 1
-+
-+/* Bit manipulation macros */
-+#define EIC_BIT(name) \
-+ (1 << EIC_##name##_OFFSET)
-+#define EIC_BF(name,value) \
-+ (((value) & ((1 << EIC_##name##_SIZE) - 1)) \
-+ << EIC_##name##_OFFSET)
-+#define EIC_BFEXT(name,value) \
-+ (((value) >> EIC_##name##_OFFSET) \
-+ & ((1 << EIC_##name##_SIZE) - 1))
-+#define EIC_BFINS(name,value,old) \
-+ (((old) & ~(((1 << EIC_##name##_SIZE) - 1) \
-+ << EIC_##name##_OFFSET)) \
-+ | EIC_BF(name,value))
-+
-+/* Register access macros */
-+#define eic_readl(port,reg) \
-+ __raw_readl((port)->regs + EIC_##reg)
-+#define eic_writel(port,reg,value) \
-+ __raw_writel((value), (port)->regs + EIC_##reg)
-+
-+struct eic {
-+ void __iomem *regs;
-+ struct irq_chip *chip;
-+ unsigned int first_irq;
++static const struct file_operations clk_operations = {
++ .open = clk_open,
++ .read = seq_read,
++ .llseek = seq_lseek,
++ .release = single_release,
+};
-
--static void eim_ack_irq(unsigned int irq)
-+static void eic_ack_irq(unsigned int irq)
- {
-- struct at32_sm *sm = get_irq_chip_data(irq);
-- sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
-+ struct eic *eic = get_irq_chip_data(irq);
-+ eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
- }
-
--static void eim_mask_irq(unsigned int irq)
-+static void eic_mask_irq(unsigned int irq)
- {
-- struct at32_sm *sm = get_irq_chip_data(irq);
-- sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
-+ struct eic *eic = get_irq_chip_data(irq);
-+ eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
- }
-
--static void eim_mask_ack_irq(unsigned int irq)
-+static void eic_mask_ack_irq(unsigned int irq)
- {
-- struct at32_sm *sm = get_irq_chip_data(irq);
-- sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
-- sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
-+ struct eic *eic = get_irq_chip_data(irq);
-+ eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
-+ eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
- }
-
--static void eim_unmask_irq(unsigned int irq)
-+static void eic_unmask_irq(unsigned int irq)
- {
-- struct at32_sm *sm = get_irq_chip_data(irq);
-- sm_writel(sm, EIM_IER, 1 << (irq - sm->eim_first_irq));
-+ struct eic *eic = get_irq_chip_data(irq);
-+ eic_writel(eic, IER, 1 << (irq - eic->first_irq));
- }
-
--static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
-+static int eic_set_irq_type(unsigned int irq, unsigned int flow_type)
- {
-- struct at32_sm *sm = get_irq_chip_data(irq);
-+ struct eic *eic = get_irq_chip_data(irq);
- struct irq_desc *desc;
-- unsigned int i = irq - sm->eim_first_irq;
-+ unsigned int i = irq - eic->first_irq;
- u32 mode, edge, level;
-- unsigned long flags;
- int ret = 0;
-
- flow_type &= IRQ_TYPE_SENSE_MASK;
-@@ -60,11 +101,10 @@
- flow_type = IRQ_TYPE_LEVEL_LOW;
-
- desc = &irq_desc[irq];
-- spin_lock_irqsave(&sm->lock, flags);
-
-- mode = sm_readl(sm, EIM_MODE);
-- edge = sm_readl(sm, EIM_EDGE);
-- level = sm_readl(sm, EIM_LEVEL);
-+ mode = eic_readl(eic, MODE);
-+ edge = eic_readl(eic, EDGE);
-+ level = eic_readl(eic, LEVEL);
-
- switch (flow_type) {
- case IRQ_TYPE_LEVEL_LOW:
-@@ -89,9 +129,9 @@
- }
-
- if (ret == 0) {
-- sm_writel(sm, EIM_MODE, mode);
-- sm_writel(sm, EIM_EDGE, edge);
-- sm_writel(sm, EIM_LEVEL, level);
-+ eic_writel(eic, MODE, mode);
-+ eic_writel(eic, EDGE, edge);
-+ eic_writel(eic, LEVEL, level);
-
- if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
- flow_type |= IRQ_LEVEL;
-@@ -99,35 +139,33 @@
- desc->status |= flow_type;
- }
-
-- spin_unlock_irqrestore(&sm->lock, flags);
--
- return ret;
- }
-
--struct irq_chip eim_chip = {
-- .name = "eim",
-- .ack = eim_ack_irq,
-- .mask = eim_mask_irq,
-- .mask_ack = eim_mask_ack_irq,
-- .unmask = eim_unmask_irq,
-- .set_type = eim_set_irq_type,
-+struct irq_chip eic_chip = {
-+ .name = "eic",
-+ .ack = eic_ack_irq,
-+ .mask = eic_mask_irq,
-+ .mask_ack = eic_mask_ack_irq,
-+ .unmask = eic_unmask_irq,
-+ .set_type = eic_set_irq_type,
- };
-
--static void demux_eim_irq(unsigned int irq, struct irq_desc *desc)
-+static void demux_eic_irq(unsigned int irq, struct irq_desc *desc)
- {
-- struct at32_sm *sm = desc->handler_data;
-+ struct eic *eic = desc->handler_data;
- struct irq_desc *ext_desc;
- unsigned long status, pending;
- unsigned int i, ext_irq;
-
-- status = sm_readl(sm, EIM_ISR);
-- pending = status & sm_readl(sm, EIM_IMR);
-+ status = eic_readl(eic, ISR);
-+ pending = status & eic_readl(eic, IMR);
-
- while (pending) {
- i = fls(pending) - 1;
- pending &= ~(1 << i);
-
-- ext_irq = i + sm->eim_first_irq;
-+ ext_irq = i + eic->first_irq;
- ext_desc = irq_desc + ext_irq;
- if (ext_desc->status & IRQ_LEVEL)
- handle_level_irq(ext_irq, ext_desc);
-@@ -136,51 +174,85 @@
- }
- }
-
--static int __init eim_init(void)
-+static int __init eic_probe(struct platform_device *pdev)
- {
-- struct at32_sm *sm = &system_manager;
-+ struct eic *eic;
-+ struct resource *regs;
- unsigned int i;
- unsigned int nr_irqs;
- unsigned int int_irq;
-+ int ret;
- u32 pattern;
-
-- /*
-- * The EIM is really the same module as SM, so register
-- * mapping, etc. has been taken care of already.
-- */
-+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ int_irq = platform_get_irq(pdev, 0);
-+ if (!regs || !int_irq) {
-+ dev_dbg(&pdev->dev, "missing regs and/or irq resource\n");
-+ return -ENXIO;
-+ }
+
-+ ret = -ENOMEM;
-+ eic = kzalloc(sizeof(struct eic), GFP_KERNEL);
-+ if (!eic) {
-+ dev_dbg(&pdev->dev, "no memory for eic structure\n");
-+ goto err_kzalloc;
-+ }
-+
-+ eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id;
-+ eic->regs = ioremap(regs->start, regs->end - regs->start + 1);
-+ if (!eic->regs) {
-+ dev_dbg(&pdev->dev, "failed to map regs\n");
-+ goto err_ioremap;
-+ }
-
- /*
- * Find out how many interrupt lines that are actually
- * implemented in hardware.
- */
-- sm_writel(sm, EIM_IDR, ~0UL);
-- sm_writel(sm, EIM_MODE, ~0UL);
-- pattern = sm_readl(sm, EIM_MODE);
-+ eic_writel(eic, IDR, ~0UL);
-+ eic_writel(eic, MODE, ~0UL);
-+ pattern = eic_readl(eic, MODE);
- nr_irqs = fls(pattern);
-
- /* Trigger on falling edge unless overridden by driver */
-- sm_writel(sm, EIM_MODE, 0UL);
-- sm_writel(sm, EIM_EDGE, 0UL);
-+ eic_writel(eic, MODE, 0UL);
-+ eic_writel(eic, EDGE, 0UL);
-
-- sm->eim_chip = &eim_chip;
-+ eic->chip = &eic_chip;
-
- for (i = 0; i < nr_irqs; i++) {
- /* NOTE the handler we set here is ignored by the demux */
-- set_irq_chip_and_handler(sm->eim_first_irq + i, &eim_chip,
-+ set_irq_chip_and_handler(eic->first_irq + i, &eic_chip,
- handle_level_irq);
-- set_irq_chip_data(sm->eim_first_irq + i, sm);
-+ set_irq_chip_data(eic->first_irq + i, eic);
- }
-
-- int_irq = platform_get_irq_byname(sm->pdev, "eim");
--
-- set_irq_chained_handler(int_irq, demux_eim_irq);
-- set_irq_data(int_irq, sm);
-+ set_irq_chained_handler(int_irq, demux_eic_irq);
-+ set_irq_data(int_irq, eic);
-
-- printk("EIM: External Interrupt Module at 0x%p, IRQ %u\n",
-- sm->regs, int_irq);
-- printk("EIM: Handling %u external IRQs, starting with IRQ %u\n",
-- nr_irqs, sm->eim_first_irq);
-+ dev_info(&pdev->dev,
-+ "External Interrupt Controller at 0x%p, IRQ %u\n",
-+ eic->regs, int_irq);
-+ dev_info(&pdev->dev,
-+ "Handling %u external IRQs, starting with IRQ %u\n",
-+ nr_irqs, eic->first_irq);
-
- return 0;
++static int __init clk_debugfs_init(void)
++{
++ (void) debugfs_create_file("at32ap_clk", S_IFREG | S_IRUGO,
++ NULL, NULL, &clk_operations);
+
-+err_ioremap:
-+ kfree(eic);
-+err_kzalloc:
-+ return ret;
++ return 0;
+}
++postcore_initcall(clk_debugfs_init);
+
-+static struct platform_driver eic_driver = {
-+ .driver = {
-+ .name = "at32_eic",
-+ },
-+};
-+
-+static int __init eic_init(void)
-+{
-+ return platform_driver_probe(&eic_driver, eic_probe);
- }
--arch_initcall(eim_init);
-+arch_initcall(eic_init);
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/gpio-dev.c linux-avr32.git/arch/avr32/mach-at32ap/gpio-dev.c
---- linux-2.6.22.1/arch/avr32/mach-at32ap/gpio-dev.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/arch/avr32/mach-at32ap/gpio-dev.c 2007-07-12 13:59:49.000000000 +0200
-@@ -0,0 +1,570 @@
++#endif
+diff --git a/arch/avr32/mach-at32ap/gpio-dev.c b/arch/avr32/mach-at32ap/gpio-dev.c
+new file mode 100644
+index 0000000..8cf6d11
+--- /dev/null
++++ b/arch/avr32/mach-at32ap/gpio-dev.c
+@@ -0,0 +1,573 @@
+/*
+ * GPIO /dev and configfs interface
+ *
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
++#include <linux/kernel.h>
+#include <linux/configfs.h>
+#include <linux/cdev.h>
++#include <linux/device.h>
+#include <linux/fs.h>
+#include <linux/interrupt.h>
++#include <linux/module.h>
+#include <linux/poll.h>
+#include <linux/uaccess.h>
+#include <linux/wait.h>
+
+ /* Configfs initialization */
+ config_group_init(&gpio_subsys.su_group);
-+ init_MUTEX(&gpio_subsys.su_sem);
++ mutex_init(&gpio_subsys.su_mutex);
+ err = configfs_register_subsystem(&gpio_subsys);
+ if (err)
+ goto err_register_subsys;
+ return err;
+}
+late_initcall(gpio_dev_init);
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/Kconfig linux-avr32.git/arch/avr32/mach-at32ap/Kconfig
---- linux-2.6.22.1/arch/avr32/mach-at32ap/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/mach-at32ap/Kconfig 2007-07-12 13:59:49.000000000 +0200
-@@ -26,6 +26,13 @@
+diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c
+index 5e22a75..704607f 100644
+--- a/arch/avr32/mach-at32ap/hsmc.c
++++ b/arch/avr32/mach-at32ap/hsmc.c
+@@ -29,16 +29,25 @@ struct hsmc {
- endchoice
+ static struct hsmc *hsmc;
-+config GPIO_DEV
-+ bool "GPIO /dev interface"
-+ select CONFIGFS_FS
-+ default n
-+ help
-+ Say `Y' to enable a /dev interface to the GPIO pins.
+-int smc_set_configuration(int cs, const struct smc_config *config)
++void smc_set_timing(struct smc_config *config,
++ const struct smc_timing *timing)
+ {
++ int recover;
++ int cycle;
+
- endmenu
+ unsigned long mul;
+- unsigned long offset;
+- u32 setup, pulse, cycle, mode;
- endif # PLATFORM_AT32AP
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/Makefile linux-avr32.git/arch/avr32/mach-at32ap/Makefile
---- linux-2.6.22.1/arch/avr32/mach-at32ap/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/mach-at32ap/Makefile 2007-07-12 13:59:49.000000000 +0200
-@@ -1,3 +1,5 @@
- obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o
- obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o
- obj-$(CONFIG_CPU_AT32AP7000) += time-tc.o
-+obj-$(CONFIG_CPU_FREQ_AT32AP) += cpufreq.o
-+obj-$(CONFIG_GPIO_DEV) += gpio-dev.o
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/pio.c linux-avr32.git/arch/avr32/mach-at32ap/pio.c
---- linux-2.6.22.1/arch/avr32/mach-at32ap/pio.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/mach-at32ap/pio.c 2007-07-12 13:59:49.000000000 +0200
-@@ -158,6 +158,82 @@
+- if (!hsmc)
+- return -ENODEV;
+- if (cs >= NR_CHIP_SELECTS)
+- return -EINVAL;
++ /* Reset all SMC timings */
++ config->ncs_read_setup = 0;
++ config->nrd_setup = 0;
++ config->ncs_write_setup = 0;
++ config->nwe_setup = 0;
++ config->ncs_read_pulse = 0;
++ config->nrd_pulse = 0;
++ config->ncs_write_pulse = 0;
++ config->nwe_pulse = 0;
++ config->read_cycle = 0;
++ config->write_cycle = 0;
+
+ /*
+ * cycles = x / T = x * f
+@@ -50,16 +59,102 @@ int smc_set_configuration(int cs, const struct smc_config *config)
+
+ #define ns2cyc(x) ((((x) * mul) + 65535) >> 16)
+
+- setup = (HSMC_BF(NWE_SETUP, ns2cyc(config->nwe_setup))
+- | HSMC_BF(NCS_WR_SETUP, ns2cyc(config->ncs_write_setup))
+- | HSMC_BF(NRD_SETUP, ns2cyc(config->nrd_setup))
+- | HSMC_BF(NCS_RD_SETUP, ns2cyc(config->ncs_read_setup)));
+- pulse = (HSMC_BF(NWE_PULSE, ns2cyc(config->nwe_pulse))
+- | HSMC_BF(NCS_WR_PULSE, ns2cyc(config->ncs_write_pulse))
+- | HSMC_BF(NRD_PULSE, ns2cyc(config->nrd_pulse))
+- | HSMC_BF(NCS_RD_PULSE, ns2cyc(config->ncs_read_pulse)));
+- cycle = (HSMC_BF(NWE_CYCLE, ns2cyc(config->write_cycle))
+- | HSMC_BF(NRD_CYCLE, ns2cyc(config->read_cycle)));
++ if (timing->ncs_read_setup > 0)
++ config->ncs_read_setup = ns2cyc(timing->ncs_read_setup);
++
++ if (timing->nrd_setup > 0)
++ config->nrd_setup = ns2cyc(timing->nrd_setup);
++
++ if (timing->ncs_write_setup > 0)
++ config->ncs_write_setup = ns2cyc(timing->ncs_write_setup);
++
++ if (timing->nwe_setup > 0)
++ config->nwe_setup = ns2cyc(timing->nwe_setup);
++
++ if (timing->ncs_read_pulse > 0)
++ config->ncs_read_pulse = ns2cyc(timing->ncs_read_pulse);
++
++ if (timing->nrd_pulse > 0)
++ config->nrd_pulse = ns2cyc(timing->nrd_pulse);
++
++ if (timing->ncs_write_pulse > 0)
++ config->ncs_write_pulse = ns2cyc(timing->ncs_write_pulse);
++
++ if (timing->nwe_pulse > 0)
++ config->nwe_pulse = ns2cyc(timing->nwe_pulse);
++
++ if (timing->read_cycle > 0)
++ config->read_cycle = ns2cyc(timing->read_cycle);
++
++ if (timing->write_cycle > 0)
++ config->write_cycle = ns2cyc(timing->write_cycle);
++
++ /* Extend read cycle in needed */
++ if (timing->ncs_read_recover > 0)
++ recover = ns2cyc(timing->ncs_read_recover);
++ else
++ recover = 1;
++
++ cycle = config->ncs_read_setup + config->ncs_read_pulse + recover;
++
++ if (config->read_cycle < cycle)
++ config->read_cycle = cycle;
++
++ /* Extend read cycle in needed */
++ if (timing->nrd_recover > 0)
++ recover = ns2cyc(timing->nrd_recover);
++ else
++ recover = 1;
++
++ cycle = config->nrd_setup + config->nrd_pulse + recover;
++
++ if (config->read_cycle < cycle)
++ config->read_cycle = cycle;
++
++ /* Extend write cycle in needed */
++ if (timing->ncs_write_recover > 0)
++ recover = ns2cyc(timing->ncs_write_recover);
++ else
++ recover = 1;
++
++ cycle = config->ncs_write_setup + config->ncs_write_pulse + recover;
++
++ if (config->write_cycle < cycle)
++ config->write_cycle = cycle;
++
++ /* Extend write cycle in needed */
++ if (timing->nwe_recover > 0)
++ recover = ns2cyc(timing->nwe_recover);
++ else
++ recover = 1;
++
++ cycle = config->nwe_setup + config->nwe_pulse + recover;
++
++ if (config->write_cycle < cycle)
++ config->write_cycle = cycle;
++}
++EXPORT_SYMBOL(smc_set_timing);
++
++int smc_set_configuration(int cs, const struct smc_config *config)
++{
++ unsigned long offset;
++ u32 setup, pulse, cycle, mode;
++
++ if (!hsmc)
++ return -ENODEV;
++ if (cs >= NR_CHIP_SELECTS)
++ return -EINVAL;
++
++ setup = (HSMC_BF(NWE_SETUP, config->nwe_setup)
++ | HSMC_BF(NCS_WR_SETUP, config->ncs_write_setup)
++ | HSMC_BF(NRD_SETUP, config->nrd_setup)
++ | HSMC_BF(NCS_RD_SETUP, config->ncs_read_setup));
++ pulse = (HSMC_BF(NWE_PULSE, config->nwe_pulse)
++ | HSMC_BF(NCS_WR_PULSE, config->ncs_write_pulse)
++ | HSMC_BF(NRD_PULSE, config->nrd_pulse)
++ | HSMC_BF(NCS_RD_PULSE, config->ncs_read_pulse));
++ cycle = (HSMC_BF(NWE_CYCLE, config->write_cycle)
++ | HSMC_BF(NRD_CYCLE, config->read_cycle));
+
+ switch (config->bus_width) {
+ case 1:
+diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
+index 1eb99b8..c978c36 100644
+--- a/arch/avr32/mach-at32ap/pio.c
++++ b/arch/avr32/mach-at32ap/pio.c
+@@ -110,6 +110,10 @@ void __init at32_select_gpio(unsigned int pin, unsigned long flags)
+ pio_writel(pio, SODR, mask);
+ else
+ pio_writel(pio, CODR, mask);
++ if (flags & AT32_GPIOF_MULTIDRV)
++ pio_writel(pio, MDER, mask);
++ else
++ pio_writel(pio, MDDR, mask);
+ pio_writel(pio, PUDR, mask);
+ pio_writel(pio, OER, mask);
+ } else {
+@@ -158,6 +162,82 @@ fail:
dump_stack();
}
/*--------------------------------------------------------------------------*/
/* GPIO API */
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/pm.h linux-avr32.git/arch/avr32/mach-at32ap/pm.h
---- linux-2.6.22.1/arch/avr32/mach-at32ap/pm.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/arch/avr32/mach-at32ap/pm.h 2007-07-12 13:59:49.000000000 +0200
-@@ -0,0 +1,112 @@
+diff --git a/arch/avr32/mach-at32ap/pm.h b/arch/avr32/mach-at32ap/pm.h
+index a1f8ace..47efd0d 100644
+--- a/arch/avr32/mach-at32ap/pm.h
++++ b/arch/avr32/mach-at32ap/pm.h
+@@ -4,6 +4,14 @@
+ #ifndef __ARCH_AVR32_MACH_AT32AP_PM_H__
+ #define __ARCH_AVR32_MACH_AT32AP_PM_H__
+
+/*
-+ * Register definitions for the Power Manager (PM)
++ * We can reduce the code size a bit by using a constant here. Since
++ * this file is only used on AVR32 AP CPUs with segmentation enabled,
++ * it's safe to not use ioremap. Generic drivers should of course
++ * never do this.
+ */
-+#ifndef __ARCH_AVR32_MACH_AT32AP_PM_H__
-+#define __ARCH_AVR32_MACH_AT32AP_PM_H__
-+
-+/* PM register offsets */
-+#define PM_MCCTRL 0x0000
-+#define PM_CKSEL 0x0004
-+#define PM_CPU_MASK 0x0008
-+#define PM_HSB_MASK 0x000c
-+#define PM_PBA_MASK 0x0010
-+#define PM_PBB_MASK 0x0014
-+#define PM_PLL0 0x0020
-+#define PM_PLL1 0x0024
-+#define PM_IER 0x0040
-+#define PM_IDR 0x0044
-+#define PM_IMR 0x0048
-+#define PM_ISR 0x004c
-+#define PM_ICR 0x0050
-+#define PM_GCCTRL(x) (0x0060 + 4 * (x))
-+#define PM_RCAUSE 0x00c0
-+
-+/* Bitfields in CKSEL */
-+#define PM_CPUSEL_OFFSET 0
-+#define PM_CPUSEL_SIZE 3
-+#define PM_CPUDIV_OFFSET 7
-+#define PM_CPUDIV_SIZE 1
-+#define PM_HSBSEL_OFFSET 8
-+#define PM_HSBSEL_SIZE 3
-+#define PM_HSBDIV_OFFSET 15
-+#define PM_HSBDIV_SIZE 1
-+#define PM_PBASEL_OFFSET 16
-+#define PM_PBASEL_SIZE 3
-+#define PM_PBADIV_OFFSET 23
-+#define PM_PBADIV_SIZE 1
-+#define PM_PBBSEL_OFFSET 24
-+#define PM_PBBSEL_SIZE 3
-+#define PM_PBBDIV_OFFSET 31
-+#define PM_PBBDIV_SIZE 1
-+
-+/* Bitfields in PLL0 */
-+#define PM_PLLEN_OFFSET 0
-+#define PM_PLLEN_SIZE 1
-+#define PM_PLLOSC_OFFSET 1
-+#define PM_PLLOSC_SIZE 1
-+#define PM_PLLOPT_OFFSET 2
-+#define PM_PLLOPT_SIZE 3
-+#define PM_PLLDIV_OFFSET 8
-+#define PM_PLLDIV_SIZE 8
-+#define PM_PLLMUL_OFFSET 16
-+#define PM_PLLMUL_SIZE 8
-+#define PM_PLLCOUNT_OFFSET 24
-+#define PM_PLLCOUNT_SIZE 6
-+#define PM_PLLTEST_OFFSET 31
-+#define PM_PLLTEST_SIZE 1
-+
-+/* Bitfields in ICR */
-+#define PM_LOCK0_OFFSET 0
-+#define PM_LOCK0_SIZE 1
-+#define PM_LOCK1_OFFSET 1
-+#define PM_LOCK1_SIZE 1
-+#define PM_WAKE_OFFSET 2
-+#define PM_WAKE_SIZE 1
-+#define PM_CKRDY_OFFSET 5
-+#define PM_CKRDY_SIZE 1
-+#define PM_MSKRDY_OFFSET 6
-+#define PM_MSKRDY_SIZE 1
-+
-+/* Bitfields in GCCTRL0 */
-+#define PM_OSCSEL_OFFSET 0
-+#define PM_OSCSEL_SIZE 1
-+#define PM_PLLSEL_OFFSET 1
-+#define PM_PLLSEL_SIZE 1
-+#define PM_CEN_OFFSET 2
-+#define PM_CEN_SIZE 1
-+#define PM_DIVEN_OFFSET 4
-+#define PM_DIVEN_SIZE 1
-+#define PM_DIV_OFFSET 8
-+#define PM_DIV_SIZE 8
-+
-+/* Bitfields in RCAUSE */
-+#define PM_POR_OFFSET 0
-+#define PM_POR_SIZE 1
-+#define PM_EXT_OFFSET 2
-+#define PM_EXT_SIZE 1
-+#define PM_WDT_OFFSET 3
-+#define PM_WDT_SIZE 1
-+#define PM_NTAE_OFFSET 4
-+#define PM_NTAE_SIZE 1
-+
-+/* Bit manipulation macros */
-+#define PM_BIT(name) \
-+ (1 << PM_##name##_OFFSET)
-+#define PM_BF(name,value) \
-+ (((value) & ((1 << PM_##name##_SIZE) - 1)) \
-+ << PM_##name##_OFFSET)
-+#define PM_BFEXT(name,value) \
-+ (((value) >> PM_##name##_OFFSET) \
-+ & ((1 << PM_##name##_SIZE) - 1))
-+#define PM_BFINS(name,value,old)\
-+ (((old) & ~(((1 << PM_##name##_SIZE) - 1) \
-+ << PM_##name##_OFFSET)) \
-+ | PM_BF(name,value))
++#define AT32_PM_BASE 0xfff00000
+
-+/* Register access macros */
-+#define pm_readl(reg) \
-+ __raw_readl((void __iomem *)AT32_PM_BASE + PM_##reg)
-+#define pm_writel(reg,value) \
-+ __raw_writel((value), (void __iomem *)AT32_PM_BASE + PM_##reg)
-+
-+#endif /* __ARCH_AVR32_MACH_AT32AP_PM_H__ */
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/sm.h linux-avr32.git/arch/avr32/mach-at32ap/sm.h
---- linux-2.6.22.1/arch/avr32/mach-at32ap/sm.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/mach-at32ap/sm.h 1970-01-01 01:00:00.000000000 +0100
-@@ -1,242 +0,0 @@
--/*
-- * Register definitions for SM
-- *
-- * System Manager
-- */
--#ifndef __ASM_AVR32_SM_H__
--#define __ASM_AVR32_SM_H__
--
--/* SM register offsets */
--#define SM_PM_MCCTRL 0x0000
--#define SM_PM_CKSEL 0x0004
--#define SM_PM_CPU_MASK 0x0008
--#define SM_PM_HSB_MASK 0x000c
--#define SM_PM_PBA_MASK 0x0010
--#define SM_PM_PBB_MASK 0x0014
--#define SM_PM_PLL0 0x0020
--#define SM_PM_PLL1 0x0024
--#define SM_PM_VCTRL 0x0030
--#define SM_PM_VMREF 0x0034
--#define SM_PM_VMV 0x0038
--#define SM_PM_IER 0x0040
--#define SM_PM_IDR 0x0044
--#define SM_PM_IMR 0x0048
--#define SM_PM_ISR 0x004c
--#define SM_PM_ICR 0x0050
--#define SM_PM_GCCTRL 0x0060
--#define SM_RTC_CTRL 0x0080
--#define SM_RTC_VAL 0x0084
--#define SM_RTC_TOP 0x0088
--#define SM_RTC_IER 0x0090
--#define SM_RTC_IDR 0x0094
--#define SM_RTC_IMR 0x0098
--#define SM_RTC_ISR 0x009c
--#define SM_RTC_ICR 0x00a0
--#define SM_WDT_CTRL 0x00b0
--#define SM_WDT_CLR 0x00b4
--#define SM_WDT_EXT 0x00b8
--#define SM_RC_RCAUSE 0x00c0
--#define SM_EIM_IER 0x0100
--#define SM_EIM_IDR 0x0104
--#define SM_EIM_IMR 0x0108
--#define SM_EIM_ISR 0x010c
--#define SM_EIM_ICR 0x0110
--#define SM_EIM_MODE 0x0114
--#define SM_EIM_EDGE 0x0118
--#define SM_EIM_LEVEL 0x011c
--#define SM_EIM_TEST 0x0120
--#define SM_EIM_NMIC 0x0124
--
--/* Bitfields in PM_MCCTRL */
--
--/* Bitfields in PM_CKSEL */
--#define SM_CPUSEL_OFFSET 0
--#define SM_CPUSEL_SIZE 3
--#define SM_CPUDIV_OFFSET 7
--#define SM_CPUDIV_SIZE 1
--#define SM_HSBSEL_OFFSET 8
--#define SM_HSBSEL_SIZE 3
--#define SM_HSBDIV_OFFSET 15
--#define SM_HSBDIV_SIZE 1
--#define SM_PBASEL_OFFSET 16
--#define SM_PBASEL_SIZE 3
--#define SM_PBADIV_OFFSET 23
--#define SM_PBADIV_SIZE 1
--#define SM_PBBSEL_OFFSET 24
--#define SM_PBBSEL_SIZE 3
--#define SM_PBBDIV_OFFSET 31
--#define SM_PBBDIV_SIZE 1
--
--/* Bitfields in PM_CPU_MASK */
--
--/* Bitfields in PM_HSB_MASK */
--
--/* Bitfields in PM_PBA_MASK */
--
--/* Bitfields in PM_PBB_MASK */
--
--/* Bitfields in PM_PLL0 */
--#define SM_PLLEN_OFFSET 0
--#define SM_PLLEN_SIZE 1
--#define SM_PLLOSC_OFFSET 1
--#define SM_PLLOSC_SIZE 1
--#define SM_PLLOPT_OFFSET 2
--#define SM_PLLOPT_SIZE 3
--#define SM_PLLDIV_OFFSET 8
--#define SM_PLLDIV_SIZE 8
--#define SM_PLLMUL_OFFSET 16
--#define SM_PLLMUL_SIZE 8
--#define SM_PLLCOUNT_OFFSET 24
--#define SM_PLLCOUNT_SIZE 6
--#define SM_PLLTEST_OFFSET 31
--#define SM_PLLTEST_SIZE 1
--
--/* Bitfields in PM_PLL1 */
--
--/* Bitfields in PM_VCTRL */
--#define SM_VAUTO_OFFSET 0
--#define SM_VAUTO_SIZE 1
--#define SM_PM_VCTRL_VAL_OFFSET 8
--#define SM_PM_VCTRL_VAL_SIZE 7
--
--/* Bitfields in PM_VMREF */
--#define SM_REFSEL_OFFSET 0
--#define SM_REFSEL_SIZE 4
--
--/* Bitfields in PM_VMV */
--#define SM_PM_VMV_VAL_OFFSET 0
--#define SM_PM_VMV_VAL_SIZE 8
--
--/* Bitfields in PM_IER */
--
--/* Bitfields in PM_IDR */
--
--/* Bitfields in PM_IMR */
--
--/* Bitfields in PM_ISR */
--
--/* Bitfields in PM_ICR */
--#define SM_LOCK0_OFFSET 0
--#define SM_LOCK0_SIZE 1
--#define SM_LOCK1_OFFSET 1
--#define SM_LOCK1_SIZE 1
--#define SM_WAKE_OFFSET 2
--#define SM_WAKE_SIZE 1
--#define SM_VOK_OFFSET 3
--#define SM_VOK_SIZE 1
--#define SM_VMRDY_OFFSET 4
--#define SM_VMRDY_SIZE 1
--#define SM_CKRDY_OFFSET 5
--#define SM_CKRDY_SIZE 1
--
--/* Bitfields in PM_GCCTRL */
--#define SM_OSCSEL_OFFSET 0
--#define SM_OSCSEL_SIZE 1
--#define SM_PLLSEL_OFFSET 1
--#define SM_PLLSEL_SIZE 1
--#define SM_CEN_OFFSET 2
--#define SM_CEN_SIZE 1
--#define SM_CPC_OFFSET 3
--#define SM_CPC_SIZE 1
--#define SM_DIVEN_OFFSET 4
--#define SM_DIVEN_SIZE 1
--#define SM_DIV_OFFSET 8
--#define SM_DIV_SIZE 8
--
--/* Bitfields in RTC_CTRL */
--#define SM_PCLR_OFFSET 1
--#define SM_PCLR_SIZE 1
--#define SM_TOPEN_OFFSET 2
--#define SM_TOPEN_SIZE 1
--#define SM_CLKEN_OFFSET 3
--#define SM_CLKEN_SIZE 1
--#define SM_PSEL_OFFSET 8
--#define SM_PSEL_SIZE 16
--
--/* Bitfields in RTC_VAL */
--#define SM_RTC_VAL_VAL_OFFSET 0
--#define SM_RTC_VAL_VAL_SIZE 31
--
--/* Bitfields in RTC_TOP */
--#define SM_RTC_TOP_VAL_OFFSET 0
--#define SM_RTC_TOP_VAL_SIZE 32
--
--/* Bitfields in RTC_IER */
--
--/* Bitfields in RTC_IDR */
--
--/* Bitfields in RTC_IMR */
--
--/* Bitfields in RTC_ISR */
--
--/* Bitfields in RTC_ICR */
--#define SM_TOPI_OFFSET 0
--#define SM_TOPI_SIZE 1
--
--/* Bitfields in WDT_CTRL */
--#define SM_KEY_OFFSET 24
--#define SM_KEY_SIZE 8
--
--/* Bitfields in WDT_CLR */
--
--/* Bitfields in WDT_EXT */
--
--/* Bitfields in RC_RCAUSE */
--#define SM_POR_OFFSET 0
--#define SM_POR_SIZE 1
--#define SM_BOD_OFFSET 1
--#define SM_BOD_SIZE 1
--#define SM_EXT_OFFSET 2
--#define SM_EXT_SIZE 1
--#define SM_WDT_OFFSET 3
--#define SM_WDT_SIZE 1
--#define SM_NTAE_OFFSET 4
--#define SM_NTAE_SIZE 1
--#define SM_SERP_OFFSET 5
--#define SM_SERP_SIZE 1
--
--/* Bitfields in EIM_IER */
--
--/* Bitfields in EIM_IDR */
--
--/* Bitfields in EIM_IMR */
--
--/* Bitfields in EIM_ISR */
--
--/* Bitfields in EIM_ICR */
--
--/* Bitfields in EIM_MODE */
--
--/* Bitfields in EIM_EDGE */
--#define SM_INT0_OFFSET 0
--#define SM_INT0_SIZE 1
--#define SM_INT1_OFFSET 1
--#define SM_INT1_SIZE 1
--#define SM_INT2_OFFSET 2
--#define SM_INT2_SIZE 1
--#define SM_INT3_OFFSET 3
--#define SM_INT3_SIZE 1
--
--/* Bitfields in EIM_LEVEL */
--
--/* Bitfields in EIM_TEST */
--#define SM_TESTEN_OFFSET 31
--#define SM_TESTEN_SIZE 1
--
--/* Bitfields in EIM_NMIC */
--#define SM_EN_OFFSET 0
--#define SM_EN_SIZE 1
--
--/* Bit manipulation macros */
--#define SM_BIT(name) (1 << SM_##name##_OFFSET)
--#define SM_BF(name,value) (((value) & ((1 << SM_##name##_SIZE) - 1)) << SM_##name##_OFFSET)
--#define SM_BFEXT(name,value) (((value) >> SM_##name##_OFFSET) & ((1 << SM_##name##_SIZE) - 1))
--#define SM_BFINS(name,value,old) (((old) & ~(((1 << SM_##name##_SIZE) - 1) << SM_##name##_OFFSET)) | SM_BF(name,value))
--
--/* Register access macros */
--#define sm_readl(port,reg) \
-- __raw_readl((port)->regs + SM_##reg)
--#define sm_writel(port,reg,value) \
-- __raw_writel((value), (port)->regs + SM_##reg)
--
--#endif /* __ASM_AVR32_SM_H__ */
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/Makefile linux-avr32.git/arch/avr32/Makefile
---- linux-2.6.22.1/arch/avr32/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/Makefile 2007-06-06 11:33:46.000000000 +0200
-@@ -31,6 +31,7 @@
- core-$(CONFIG_LOADER_U_BOOT) += arch/avr32/boot/u-boot/
- core-y += arch/avr32/kernel/
- core-y += arch/avr32/mm/
-+drivers-y += arch/avr32/drivers/
- libs-y += arch/avr32/lib/
-
- archincdir-$(CONFIG_PLATFORM_AT32AP) := arch-at32ap
-diff -x .git -Nur linux-2.6.22.1/arch/avr32/mm/dma-coherent.c linux-avr32.git/arch/avr32/mm/dma-coherent.c
---- linux-2.6.22.1/arch/avr32/mm/dma-coherent.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/arch/avr32/mm/dma-coherent.c 2007-07-12 13:59:49.000000000 +0200
-@@ -41,6 +41,13 @@
+ /* PM register offsets */
+ #define PM_MCCTRL 0x0000
+ #define PM_CKSEL 0x0004
+diff --git a/arch/avr32/mm/dma-coherent.c b/arch/avr32/mm/dma-coherent.c
+index 099212d..26f29c6 100644
+--- a/arch/avr32/mm/dma-coherent.c
++++ b/arch/avr32/mm/dma-coherent.c
+@@ -41,6 +41,13 @@ static struct page *__dma_alloc(struct device *dev, size_t size,
struct page *page, *free, *end;
int order;
size = PAGE_ALIGN(size);
order = get_order(size);
-diff -x .git -Nur linux-2.6.22.1/drivers/char/watchdog/at32ap700x_wdt.c linux-avr32.git/drivers/char/watchdog/at32ap700x_wdt.c
---- linux-2.6.22.1/drivers/char/watchdog/at32ap700x_wdt.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/char/watchdog/at32ap700x_wdt.c 2007-07-12 13:59:59.000000000 +0200
-@@ -0,0 +1,325 @@
-+/*
-+ * Watchdog driver for Atmel AT32AP700X devices
-+ *
-+ * Copyright (C) 2005-2006 Atmel Corporation
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#include <linux/init.h>
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/miscdevice.h>
-+#include <linux/fs.h>
+diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
+index 82cf708..480760b 100644
+--- a/arch/avr32/mm/init.c
++++ b/arch/avr32/mm/init.c
+@@ -224,19 +224,9 @@ void free_initmem(void)
+
+ #ifdef CONFIG_BLK_DEV_INITRD
+
+-static int keep_initrd;
+-
+ void free_initrd_mem(unsigned long start, unsigned long end)
+ {
+- if (!keep_initrd)
+- free_area(start, end, "initrd");
+-}
+-
+-static int __init keepinitrd_setup(char *__unused)
+-{
+- keep_initrd = 1;
+- return 1;
++ free_area(start, end, "initrd");
+ }
+
+-__setup("keepinitrd", keepinitrd_setup);
+ #endif
+diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
+index 9f3a4cd..6f5bcd6 100644
+--- a/drivers/i2c/busses/Kconfig
++++ b/drivers/i2c/busses/Kconfig
+@@ -80,6 +80,14 @@ config I2C_AT91
+ This supports the use of the I2C interface on Atmel AT91
+ processors.
+
++config I2C_ATMELTWI
++ tristate "Atmel Two-Wire Interface (TWI)"
++ depends on I2C && (ARCH_AT91 || PLATFORM_AT32AP)
++ help
++ Atmel on-chip TWI controller. Say Y if you have an AT32 or
++ AT91-based device and want to use its built-in TWI
++ functionality.
++
+ config I2C_AU1550
+ tristate "Au1550/Au1200 SMBus interface"
+ depends on SOC_AU1550 || SOC_AU1200
+diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
+index 5b752e4..e4644a8 100644
+--- a/drivers/i2c/busses/Makefile
++++ b/drivers/i2c/busses/Makefile
+@@ -52,6 +52,7 @@ obj-$(CONFIG_I2C_VIAPRO) += i2c-viapro.o
+ obj-$(CONFIG_I2C_VOODOO3) += i2c-voodoo3.o
+ obj-$(CONFIG_SCx200_ACB) += scx200_acb.o
+ obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o
++obj-$(CONFIG_I2C_ATMELTWI) += i2c-atmeltwi.o
+
+ ifeq ($(CONFIG_I2C_DEBUG_BUS),y)
+ EXTRA_CFLAGS += -DDEBUG
+diff --git a/drivers/i2c/busses/i2c-atmeltwi.c b/drivers/i2c/busses/i2c-atmeltwi.c
+new file mode 100644
+index 0000000..3f78b31
+--- /dev/null
++++ b/drivers/i2c/busses/i2c-atmeltwi.c
+@@ -0,0 +1,436 @@
++/*
++ * i2c Support for Atmel's Two-Wire Interface (TWI)
++ *
++ * Based on the work of Copyright (C) 2004 Rick Bronson
++ * Converted to 2.6 by Andrew Victor <andrew at sanpeople.com>
++ * Ported to AVR32 and heavily modified by Espen Krangnes
++ * <ekrangnes at atmel.com>
++ *
++ * Copyright (C) 2006 Atmel Corporation
++ *
++ * Borrowed heavily from the original work by:
++ * Copyright (C) 2000 Philip Edelbrock <phil at stimpy.netroedge.com>
++ *
++ * Partialy rewriten by Karel Hojdar <cmkaho at seznam.cz>
++ * bugs removed, interrupt routine markedly rewritten
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ */
++#undef VERBOSE_DEBUG
++
++#include <linux/module.h>
++#include <linux/slab.h>
++#include <linux/i2c.h>
++#include <linux/init.h>
++#include <linux/clk.h>
++#include <linux/err.h>
++#include <linux/interrupt.h>
+#include <linux/platform_device.h>
-+#include <linux/watchdog.h>
-+#include <linux/uaccess.h>
++#include <linux/completion.h>
+#include <linux/io.h>
+
-+#define TIMEOUT_MIN 1
-+#define TIMEOUT_DEFAULT CONFIG_AT32AP700X_WDT_TIMEOUT
-+#define TIMEOUT_MAX 2
-+
-+/* Watchdog registers and write/read macro */
-+#define WDT_CTRL 0x00
-+#define WDT_CTRL_EN 0
-+#define WDT_CTRL_PSEL 8
-+#define WDT_CTRL_KEY 24
++#include "i2c-atmeltwi.h"
+
-+#define WDT_CLR 0x04
++static unsigned int baudrate = 100 * 1000;
++module_param(baudrate, uint, S_IRUGO);
++MODULE_PARM_DESC(baudrate, "The TWI baudrate");
+
-+#define WDT_BIT(name) (1 << WDT_##name)
-+#define WDT_BF(name,value) ((value) << WDT_##name)
+
-+#define wdt_readl(dev,reg) \
-+ __raw_readl((dev)->regs + WDT_##reg)
-+#define wdt_writel(dev,reg,value) \
-+ __raw_writel((value), (dev)->regs + WDT_##reg)
++struct atmel_twi {
++ void __iomem *regs;
++ struct i2c_adapter adapter;
++ struct clk *pclk;
++ struct completion comp;
++ u32 mask;
++ u8 *buf;
++ u16 len;
++ u16 acks_left;
++ int status;
++ unsigned int irq;
+
-+struct wdt_at32ap700x {
-+ void __iomem *regs;
-+ int timeout;
-+ int users;
-+ struct miscdevice miscdev;
+};
-+
-+static struct wdt_at32ap700x *wdt;
++#define to_atmel_twi(adap) container_of(adap, struct atmel_twi, adapter)
+
+/*
-+ * Disable the watchdog.
++ * (Re)Initialize the TWI hardware registers.
+ */
-+static void inline at32_wdt_stop(void)
++static int twi_hwinit(struct atmel_twi *twi)
+{
-+ unsigned long psel = wdt_readl(wdt, CTRL) & WDT_BF(CTRL_PSEL, 0x0f);
-+ wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0x55));
-+ wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0xaa));
-+}
++ unsigned long cdiv, ckdiv = 0;
+
-+/*
-+ * Enable and reset the watchdog.
-+ */
-+static void inline at32_wdt_start(void)
-+{
-+ /* 0xf is 2^16 divider = 2 sec, 0xe is 2^15 divider = 1 sec */
-+ unsigned long psel = (wdt->timeout > 1) ? 0xf : 0xe;
++ /* REVISIT: wait till SCL is high before resetting; otherwise,
++ * some versions will wedge forever.
++ */
+
-+ wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN)
-+ | WDT_BF(CTRL_PSEL, psel)
-+ | WDT_BF(CTRL_KEY, 0x55));
-+ wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN)
-+ | WDT_BF(CTRL_PSEL, psel)
-+ | WDT_BF(CTRL_KEY, 0xaa));
-+}
++ twi_writel(twi, IDR, ~0UL);
++ twi_writel(twi, CR, TWI_BIT(SWRST)); /*Reset peripheral*/
++ twi_readl(twi, SR);
+
-+/*
-+ * Pat the watchdog timer.
-+ */
-+static void inline at32_wdt_pat(void)
-+{
-+ wdt_writel(wdt, CLR, 0x42);
-+}
++ cdiv = (clk_get_rate(twi->pclk) / (2 * baudrate)) - 4;
+
-+/*
-+ * Watchdog device is opened, and watchdog starts running.
-+ */
-+static int at32_wdt_open(struct inode *inode, struct file *file)
-+{
-+ if (test_and_set_bit(1, &wdt->users))
-+ return -EBUSY;
++ while (cdiv > 255) {
++ ckdiv++;
++ cdiv = cdiv >> 1;
++ }
+
-+ at32_wdt_start();
-+ return nonseekable_open(inode, file);
-+}
++ /* REVISIT: there are various errata to consider re CDIV and CHDIV
++ * here, at least on at91 parts.
++ */
+
-+/*
-+ * Close the watchdog device. If CONFIG_WATCHDOG_NOWAYOUT is _not_ defined then
-+ * the watchdog is also disabled.
-+ */
-+static int at32_wdt_close(struct inode *inode, struct file *file)
-+{
-+#ifndef CONFIG_WATCHDOG_NOWAYOUT
-+ at32_wdt_stop();
-+#endif
-+ clear_bit(1, &wdt->users);
++ if (ckdiv > 7)
++ return -EINVAL;
++ else
++ twi_writel(twi, CWGR, TWI_BF(CKDIV, ckdiv)
++ | TWI_BF(CHDIV, cdiv)
++ | TWI_BF(CLDIV, cdiv));
+ return 0;
+}
+
+/*
-+ * Change the watchdog time interval.
++ * Waits for the i2c status register to set the specified bitmask
++ * Returns 0 if timed out ... ~100ms is much longer than the SMBus
++ * limit, but I2C has no limit at all.
+ */
-+static int at32_wdt_settimeout(int time)
++static int twi_complete(struct atmel_twi *twi, u32 mask)
+{
-+ /*
-+ * All counting occurs at 1 / SLOW_CLOCK (32 kHz) and max prescaler is
-+ * 2 ^ 16 allowing up to 2 seconds timeout.
-+ */
-+ if ((time < TIMEOUT_MIN) || (time > TIMEOUT_MAX))
-+ return -EINVAL;
++ int timeout = msecs_to_jiffies(100);
+
-+ /*
-+ * Set new watchdog time. It will be used when at32_wdt_start() is
-+ * called.
-+ */
-+ wdt->timeout = time;
++ mask |= TWI_BIT(TXCOMP);
++ twi->mask = mask | TWI_BIT(NACK) | TWI_BIT(OVRE);
++ init_completion(&twi->comp);
++
++ twi_writel(twi, IER, mask);
++
++ if (!wait_for_completion_timeout(&twi->comp, timeout)) {
++ /* RESET TWI interface */
++ twi_writel(twi, CR, TWI_BIT(SWRST));
++
++ /* Reinitialize TWI */
++ twi_hwinit(twi);
++
++ return -ETIMEDOUT;
++ }
+ return 0;
+}
+
-+static struct watchdog_info at32_wdt_info = {
-+ .identity = "at32ap700x watchdog",
-+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
-+};
-+
+/*
-+ * Handle commands from user-space.
++ * Generic i2c master transfer entrypoint.
+ */
-+static int at32_wdt_ioctl(struct inode *inode, struct file *file,
-+ unsigned int cmd, unsigned long arg)
++static int twi_xfer(struct i2c_adapter *adap, struct i2c_msg *pmsg, int num)
+{
-+ int ret = -ENOTTY;
-+ int time;
-+ void __user *argp = (void __user *)arg;
-+ int __user *p = argp;
++ struct atmel_twi *twi = to_atmel_twi(adap);
++ int i;
+
-+ switch (cmd) {
-+ case WDIOC_KEEPALIVE:
-+ at32_wdt_pat();
-+ ret = 0;
-+ break;
-+ case WDIOC_GETSUPPORT:
-+ ret = copy_to_user(argp, &at32_wdt_info,
-+ sizeof(at32_wdt_info)) ? -EFAULT : 0;
-+ break;
-+ case WDIOC_SETTIMEOUT:
-+ ret = get_user(time, p);
-+ if (ret)
-+ break;
-+ ret = at32_wdt_settimeout(time);
-+ if (ret)
-+ break;
-+ /* Enable new time value */
-+ at32_wdt_start();
-+ /* fall through */
-+ case WDIOC_GETTIMEOUT:
-+ ret = put_user(wdt->timeout, p);
-+ break;
-+ case WDIOC_GETSTATUS: /* fall through */
-+ case WDIOC_GETBOOTSTATUS:
-+ ret = put_user(0, p);
-+ break;
-+ case WDIOC_SETOPTIONS:
-+ ret = get_user(time, p);
-+ if (ret)
-+ break;
-+ if (time & WDIOS_DISABLECARD)
-+ at32_wdt_stop();
-+ if (time & WDIOS_ENABLECARD)
-+ at32_wdt_start();
-+ ret = 0;
-+ break;
-+ }
++ dev_dbg(&adap->dev, "twi_xfer: processing %d messages:\n", num);
+
-+ return ret;
-+}
++ twi->status = 0;
++ for (i = 0; i < num; i++, pmsg++) {
++ twi->len = pmsg->len;
++ twi->buf = pmsg->buf;
++ twi->acks_left = pmsg->len;
++ twi_writel(twi, MMR, TWI_BF(DADR, pmsg->addr) |
++ (pmsg->flags & I2C_M_RD ? TWI_BIT(MREAD) : 0));
++ twi_writel(twi, IADR, TWI_BF(IADR, pmsg->addr));
+
-+static ssize_t at32_wdt_write(struct file *file, const char *data, size_t len,
-+ loff_t *ppos)
-+{
-+ at32_wdt_pat();
-+ return len;
++ dev_dbg(&adap->dev,
++ "#%d: %s %d byte%s %s dev 0x%02x\n",
++ i,
++ pmsg->flags & I2C_M_RD ? "reading" : "writing",
++ pmsg->len,
++ pmsg->len > 1 ? "s" : "",
++ pmsg->flags & I2C_M_RD ? "from" : "to", pmsg->addr);
++
++ /* enable */
++ twi_writel(twi, CR, TWI_BIT(MSEN));
++
++ if (pmsg->flags & I2C_M_RD) {
++ /* cleanup after previous RX overruns */
++ while (twi_readl(twi, SR) & TWI_BIT(RXRDY))
++ twi_readl(twi, RHR);
++
++ if (twi->len == 1)
++ twi_writel(twi, CR,
++ TWI_BIT(START) | TWI_BIT(STOP));
++ else
++ twi_writel(twi, CR, TWI_BIT(START));
++
++ if (twi_complete(twi, TWI_BIT(RXRDY)) == -ETIMEDOUT) {
++ dev_dbg(&adap->dev, "RX[%d] timeout. "
++ "Stopped with %d bytes left\n",
++ i, twi->acks_left);
++ return -ETIMEDOUT;
++ }
++ } else {
++ twi_writel(twi, THR, twi->buf[0]);
++ twi->acks_left--;
++ /* REVISIT: some chips don't start automagically:
++ * twi_writel(twi, CR, TWI_BIT(START));
++ */
++ if (twi_complete(twi, TWI_BIT(TXRDY)) == -ETIMEDOUT) {
++ dev_dbg(&adap->dev, "TX[%d] timeout. "
++ "Stopped with %d bytes left\n",
++ i, twi->acks_left);
++ return -ETIMEDOUT;
++ }
++ /* REVISIT: an erratum workaround may be needed here;
++ * see sam9261 "STOP not generated" (START either).
++ */
++ }
++
++ /* Disable TWI interface */
++ twi_writel(twi, CR, TWI_BIT(MSDIS));
++
++ if (twi->status)
++ return twi->status;
++
++ /* WARNING: This driver lies about properly supporting
++ * repeated start, or it would *ALWAYS* return here. It
++ * has issued a STOP. Continuing is a false claim -- that
++ * a second (or third, etc.) message is part of the same
++ * "combined" (no STOPs between parts) message.
++ */
++
++ } /* end cur msg */
++
++ return i;
+}
+
-+static const struct file_operations at32_wdt_fops = {
-+ .owner = THIS_MODULE,
-+ .llseek = no_llseek,
-+ .ioctl = at32_wdt_ioctl,
-+ .open = at32_wdt_open,
-+ .release = at32_wdt_close,
-+ .write = at32_wdt_write,
-+};
+
-+static int __init at32_wdt_probe(struct platform_device *pdev)
++static irqreturn_t twi_interrupt(int irq, void *dev_id)
+{
-+ struct resource *regs;
-+ int ret;
++ struct atmel_twi *twi = dev_id;
++ int status = twi_readl(twi, SR);
+
-+ if (wdt) {
-+ dev_dbg(&pdev->dev, "only 1 wdt instance supported.\n");
-+ return -EBUSY;
-+ }
++ /* Save state for later debug prints */
++ int old_status = status;
+
-+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!regs) {
-+ dev_dbg(&pdev->dev, "missing mmio resource\n");
-+ return -ENXIO;
-+ }
++ if (twi->mask & status) {
+
-+ wdt = kzalloc(sizeof(struct wdt_at32ap700x), GFP_KERNEL);
-+ if (!wdt) {
-+ dev_dbg(&pdev->dev, "no memory for wdt structure\n");
-+ return -ENOMEM;
-+ }
++ status &= twi->mask;
+
-+ wdt->regs = ioremap(regs->start, regs->end - regs->start + 1);
-+ if (!wdt->regs) {
-+ ret = -ENOMEM;
-+ dev_dbg(&pdev->dev, "could not map I/O memory\n");
-+ goto err_free;
-+ }
-+ wdt->users = 0;
-+ wdt->miscdev.minor = WATCHDOG_MINOR;
-+ wdt->miscdev.name = "watchdog";
-+ wdt->miscdev.fops = &at32_wdt_fops;
++ if (status & TWI_BIT(RXRDY)) {
++ if ((status & TWI_BIT(OVRE)) && twi->acks_left) {
++ /* Note weakness in fault reporting model:
++ * we can't say "the first N of these data
++ * bytes are valid".
++ */
++ dev_err(&twi->adapter.dev,
++ "OVERRUN RX! %04x, lost %d\n",
++ old_status, twi->acks_left);
++ twi->acks_left = 0;
++ twi_writel(twi, CR, TWI_BIT(STOP));
++ twi->status = -EOVERFLOW;
++ } else if (twi->acks_left > 0) {
++ twi->buf[twi->len - twi->acks_left] =
++ twi_readl(twi, RHR);
++ twi->acks_left--;
++ }
++ if (status & TWI_BIT(TXCOMP))
++ goto done;
++ if (twi->acks_left == 1)
++ twi_writel(twi, CR, TWI_BIT(STOP));
+
-+ if (at32_wdt_settimeout(TIMEOUT_DEFAULT)) {
-+ at32_wdt_settimeout(TIMEOUT_MAX);
-+ dev_dbg(&pdev->dev,
-+ "default timeout invalid, set to %d sec.\n",
-+ TIMEOUT_MAX);
-+ }
++ } else if (status & (TWI_BIT(NACK) | TWI_BIT(TXCOMP))) {
++ goto done;
+
-+ ret = misc_register(&wdt->miscdev);
-+ if (ret) {
-+ dev_dbg(&pdev->dev, "failed to register wdt miscdev\n");
-+ goto err_iounmap;
++ } else if (status & TWI_BIT(TXRDY)) {
++ if (twi->acks_left > 0) {
++ twi->acks_left--;
++ twi_writel(twi, THR,
++ twi->buf[twi->len - twi->acks_left]);
++ } else
++ twi_writel(twi, CR, TWI_BIT(STOP));
++ }
++
++ if (twi->acks_left == 0)
++ twi_writel(twi, IDR, ~TWI_BIT(TXCOMP));
+ }
+
-+ platform_set_drvdata(pdev, wdt);
-+ wdt->miscdev.parent = &pdev->dev;
-+ dev_info(&pdev->dev, "AT32AP700X WDT at 0x%p\n", wdt->regs);
++ /* enabling this message helps trigger overruns/underruns ... */
++ dev_vdbg(&twi->adapter.dev,
++ "ISR: SR 0x%04X, mask 0x%04X, acks %i\n",
++ old_status,
++ twi->acks_left ? twi->mask : TWI_BIT(TXCOMP),
++ twi->acks_left);
+
-+ return 0;
++ return IRQ_HANDLED;
+
-+err_iounmap:
-+ iounmap(wdt->regs);
-+err_free:
-+ kfree(wdt);
-+ wdt = NULL;
-+ return ret;
-+}
++done:
++ /* Note weak fault reporting model: we can't report how many
++ * bytes we sent before the NAK, or let upper layers choose
++ * whether to continue. The I2C stack doesn't allow that...
++ */
++ if (status & TWI_BIT(NACK)) {
++ dev_dbg(&twi->adapter.dev, "NACK received! %d to go\n",
++ twi->acks_left);
++ twi->status = -EPIPE;
+
-+static int __exit at32_wdt_remove(struct platform_device *pdev)
-+{
-+ if (wdt && platform_get_drvdata(pdev) == wdt) {
-+ misc_deregister(&wdt->miscdev);
-+ iounmap(wdt->regs);
-+ kfree(wdt);
-+ wdt = NULL;
-+ platform_set_drvdata(pdev, NULL);
++ /* TX underrun morphs automagically into a premature STOP;
++ * we'll probably observe UVRE even when it's not documented.
++ */
++ } else if (twi->acks_left && (twi->mask & TWI_BIT(TXRDY))) {
++ dev_err(&twi->adapter.dev, "UNDERRUN TX! %04x, %d to go\n",
++ old_status, twi->acks_left);
++ twi->status = -ENOSR;
+ }
+
-+ return 0;
-+}
++ twi_writel(twi, IDR, ~0UL);
++ complete(&twi->comp);
+
-+static void at32_wdt_shutdown(struct platform_device *pdev)
-+{
-+ at32_wdt_stop();
-+}
++ dev_dbg(&twi->adapter.dev, "ISR: SR 0x%04X, acks %i --> %d\n",
++ old_status, twi->acks_left, twi->status);
+
-+#ifdef CONFIG_PM
-+static int at32_wdt_suspend(struct platform_device *pdev, pm_message_t message)
-+{
-+ at32_wdt_stop();
-+ return 0;
++ return IRQ_HANDLED;
+}
+
-+static int at32_wdt_resume(struct platform_device *pdev)
++
++/*
++ * Return list of supported functionality.
++ *
++ * NOTE: see warning above about repeated starts; this driver is falsely
++ * claiming to support "combined" transfers. The mid-message STOPs mean
++ * some slaves will never work with this driver. (Use i2c-gpio...)
++ */
++static u32 twi_func(struct i2c_adapter *adapter)
+{
-+ if (wdt->users)
-+ at32_wdt_start();
-+ return 0;
++ return (I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL)
++ & ~I2C_FUNC_SMBUS_QUICK;
+}
-+#else
-+#define at32_wdt_suspend NULL
-+#define at32_wdt_resume NULL
-+#endif
+
-+static struct platform_driver at32_wdt_driver = {
-+ .remove = __exit_p(at32_wdt_remove),
-+ .suspend = at32_wdt_suspend,
-+ .resume = at32_wdt_resume,
-+ .driver = {
-+ .name = "at32_wdt",
-+ .owner = THIS_MODULE,
-+ },
-+ .shutdown = at32_wdt_shutdown,
++static struct i2c_algorithm twi_algorithm = {
++ .master_xfer = twi_xfer,
++ .functionality = twi_func,
+};
+
-+static int __init at32_wdt_init(void)
++/*
++ * Main initialization routine.
++ */
++static int __init twi_probe(struct platform_device *pdev)
+{
-+ return platform_driver_probe(&at32_wdt_driver, at32_wdt_probe);
-+}
-+module_init(at32_wdt_init);
++ struct atmel_twi *twi;
++ struct resource *regs;
++ struct clk *pclk;
++ struct i2c_adapter *adapter;
++ int rc, irq;
+
-+static void __exit at32_wdt_exit(void)
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs)
++ return -ENXIO;
++
++ pclk = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(pclk))
++ return PTR_ERR(pclk);
++ clk_enable(pclk);
++
++ rc = -ENOMEM;
++ twi = kzalloc(sizeof(struct atmel_twi), GFP_KERNEL);
++ if (!twi) {
++ dev_dbg(&pdev->dev, "can't allocate interface!\n");
++ goto err_alloc_twi;
++ }
++
++ twi->pclk = pclk;
++ twi->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!twi->regs)
++ goto err_ioremap;
++
++ irq = platform_get_irq(pdev, 0);
++ rc = request_irq(irq, twi_interrupt, 0, "twi", twi);
++ if (rc) {
++ dev_dbg(&pdev->dev, "can't bind irq!\n");
++ goto err_irq;
++ }
++ twi->irq = irq;
++
++ rc = twi_hwinit(twi);
++ if (rc) {
++ dev_err(&pdev->dev, "Unable to set baudrate\n");
++ goto err_hw_init;
++ }
++
++ adapter = &twi->adapter;
++ sprintf(adapter->name, "TWI");
++ adapter->algo = &twi_algorithm;
++ adapter->class = I2C_CLASS_ALL;
++ adapter->nr = pdev->id;
++ adapter->dev.parent = &pdev->dev;
++
++ platform_set_drvdata(pdev, twi);
++
++ rc = i2c_add_numbered_adapter(adapter);
++ if (rc) {
++ dev_dbg(&pdev->dev, "Adapter %s registration failed\n",
++ adapter->name);
++ goto err_register;
++ }
++
++ dev_info(&pdev->dev,
++ "Atmel TWI/I2C adapter (baudrate %dk) at 0x%08lx.\n",
++ baudrate/1000, (unsigned long)regs->start);
++
++ return 0;
++
++
++err_register:
++ platform_set_drvdata(pdev, NULL);
++
++err_hw_init:
++ free_irq(irq, twi);
++
++err_irq:
++ iounmap(twi->regs);
++
++err_ioremap:
++ kfree(twi);
++
++err_alloc_twi:
++ clk_disable(pclk);
++ clk_put(pclk);
++
++ return rc;
++}
++
++static int __exit twi_remove(struct platform_device *pdev)
+{
-+ platform_driver_unregister(&at32_wdt_driver);
++ struct atmel_twi *twi = platform_get_drvdata(pdev);
++ int res;
++
++ platform_set_drvdata(pdev, NULL);
++ res = i2c_del_adapter(&twi->adapter);
++ twi_writel(twi, CR, TWI_BIT(MSDIS));
++ iounmap(twi->regs);
++ clk_disable(twi->pclk);
++ clk_put(twi->pclk);
++ free_irq(twi->irq, twi);
++ kfree(twi);
++
++ return res;
+}
-+module_exit(at32_wdt_exit);
+
-+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
-+MODULE_DESCRIPTION("Watchdog driver for Atmel AT32AP700X");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-diff -x .git -Nur linux-2.6.22.1/drivers/char/watchdog/Kconfig linux-avr32.git/drivers/char/watchdog/Kconfig
---- linux-2.6.22.1/drivers/char/watchdog/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/char/watchdog/Kconfig 2007-07-12 13:59:59.000000000 +0200
-@@ -187,6 +187,26 @@
-
- Say N if you are unsure.
-
-+# AVR32 Architecture
++static struct platform_driver twi_driver = {
++ .remove = __exit_p(twi_remove),
++ .driver = {
++ .name = "atmel_twi",
++ .owner = THIS_MODULE,
++ },
++};
+
-+config AT32AP700X_WDT
-+ tristate "AT32AP700x watchdog"
-+ depends on WATCHDOG && CPU_AT32AP7000
-+ help
-+ Watchdog timer embedded into AT32AP700x devices. This will reboot
-+ your system when the timeout is reached.
-+
-+config AT32AP700X_WDT_TIMEOUT
-+ int "Timeout value for AT32AP700x watchdog"
-+ depends on AT32AP700X_WDT
-+ default "2"
-+ range 1 2
-+ help
-+ Sets the timeout value for the watchdog in AT32AP700x devices.
-+ Limited by hardware to be 1 or 2 seconds.
-+
-+ Set to 2 seconds by default.
-+
- # X86 (i386 + ia64 + x86_64) Architecture
-
- config ACQUIRE_WDT
-diff -x .git -Nur linux-2.6.22.1/drivers/char/watchdog/Makefile linux-avr32.git/drivers/char/watchdog/Makefile
---- linux-2.6.22.1/drivers/char/watchdog/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/char/watchdog/Makefile 2007-07-12 13:59:59.000000000 +0200
-@@ -36,6 +36,9 @@
- obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o
- obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o
-
-+# AVR32 Architecture
-+obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
-+
- # X86 (i386 + ia64 + x86_64) Architecture
- obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
- obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o
-diff -x .git -Nur linux-2.6.22.1/drivers/i2c/busses/atmeltwi.h linux-avr32.git/drivers/i2c/busses/atmeltwi.h
---- linux-2.6.22.1/drivers/i2c/busses/atmeltwi.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/i2c/busses/atmeltwi.h 2007-06-06 11:33:51.000000000 +0200
++static int __init atmel_twi_init(void)
++{
++ return platform_driver_probe(&twi_driver, twi_probe);
++}
++
++static void __exit atmel_twi_exit(void)
++{
++ platform_driver_unregister(&twi_driver);
++}
++
++module_init(atmel_twi_init);
++module_exit(atmel_twi_exit);
++
++MODULE_AUTHOR("Espen Krangnes");
++MODULE_DESCRIPTION("I2C driver for Atmel TWI");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/i2c/busses/i2c-atmeltwi.h b/drivers/i2c/busses/i2c-atmeltwi.h
+new file mode 100644
+index 0000000..1aca065
+--- /dev/null
++++ b/drivers/i2c/busses/i2c-atmeltwi.h
@@ -0,0 +1,117 @@
+/*
+ * Register definitions for the Atmel Two-Wire Interface
+ */
+
-+#ifndef __ASM_AVR32_TWI_H__
-+#define __ASM_AVR32_TWI_H__
++#ifndef __ATMELTWI_H__
++#define __ATMELTWI_H__
+
+/* TWI register offsets */
+#define TWI_CR 0x0000
+/* Bit manipulation macros */
+#define TWI_BIT(name) \
+ (1 << TWI_##name##_OFFSET)
-+#define TWI_BF(name,value) \
++#define TWI_BF(name, value) \
+ (((value) & ((1 << TWI_##name##_SIZE) - 1)) \
+ << TWI_##name##_OFFSET)
-+#define TWI_BFEXT(name,value) \
++#define TWI_BFEXT(name, value) \
+ (((value) >> TWI_##name##_OFFSET) \
+ & ((1 << TWI_##name##_SIZE) - 1))
-+#define TWI_BFINS(name,value,old) \
++#define TWI_BFINS(name, value, old) \
+ (((old) & ~(((1 << TWI_##name##_SIZE) - 1) \
+ << TWI_##name##_OFFSET)) \
-+ | TWI_BF(name,value))
++ | TWI_BF(name, (value)))
+
+/* Register access macros */
-+#define twi_readl(port,reg) \
++#define twi_readl(port, reg) \
+ __raw_readl((port)->regs + TWI_##reg)
-+#define twi_writel(port,reg,value) \
++#define twi_writel(port, reg, value) \
+ __raw_writel((value), (port)->regs + TWI_##reg)
+
-+#endif /* __ASM_AVR32_TWI_H__ */
-diff -x .git -Nur linux-2.6.22.1/drivers/i2c/busses/i2c-atmeltwi.c linux-avr32.git/drivers/i2c/busses/i2c-atmeltwi.c
---- linux-2.6.22.1/drivers/i2c/busses/i2c-atmeltwi.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/i2c/busses/i2c-atmeltwi.c 2007-07-13 11:24:16.000000000 +0200
-@@ -0,0 +1,383 @@
++#endif /* __ATMELTWI_H__ */
+diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
+index 73e248f..9e848cc 100644
+--- a/drivers/misc/Kconfig
++++ b/drivers/misc/Kconfig
+@@ -202,5 +202,14 @@ config THINKPAD_ACPI_BAY
+
+ If you are not sure, say Y here.
+
++config ATMEL_SSC
++ tristate "Device driver for Atmel SSC peripheral"
++ depends on AVR32 || ARCH_AT91
++ ---help---
++ This option enables device driver support for Atmel Syncronized
++ Serial Communication peripheral (SSC).
++
++ The SSC peripheral supports a wide variety of serial frame based
++ communications, i.e. I2S, SPI, etc.
+
+ endif # MISC_DEVICES
+diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
+index b5ce0e3..40d8ed1 100644
+--- a/drivers/misc/Makefile
++++ b/drivers/misc/Makefile
+@@ -15,3 +15,4 @@ obj-$(CONFIG_SGI_IOC4) += ioc4.o
+ obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o
+ obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o
+ obj-$(CONFIG_EEPROM_93CX6) += eeprom_93cx6.o
++obj-$(CONFIG_ATMEL_SSC) += atmel-ssc.o
+diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
+new file mode 100644
+index 0000000..058ccac
+--- /dev/null
++++ b/drivers/misc/atmel-ssc.c
+@@ -0,0 +1,174 @@
+/*
-+ * i2c Support for Atmel's Two-Wire Interface (TWI)
-+ *
-+ * Based on the work of Copyright (C) 2004 Rick Bronson
-+ * Converted to 2.6 by Andrew Victor <andrew at sanpeople.com>
-+ * Ported to AVR32 and heavily modified by Espen Krangnes
-+ * <ekrangnes at atmel.com>
-+ *
-+ * Copyright (C) 2006 Atmel Corporation
-+ *
-+ * Borrowed heavily from the original work by:
-+ * Copyright (C) 2000 Philip Edelbrock <phil at stimpy.netroedge.com>
++ * Atmel SSC driver
+ *
-+ * Partialy rewriten by Karel Hojdar <cmkaho at seznam.cz>
-+ * bugs removed, interrupt routine markedly rewritten
++ * Copyright (C) 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
+ */
+
-+
-+#include <linux/err.h>
-+#include <linux/module.h>
-+#include <linux/kernel.h>
-+#include <linux/slab.h>
-+#include <linux/types.h>
-+#include <linux/delay.h>
-+#include <linux/i2c.h>
-+#include <linux/init.h>
-+#include <linux/clk.h>
-+#include <linux/interrupt.h>
-+#include <linux/irq.h>
+#include <linux/platform_device.h>
-+#include <linux/completion.h>
-+#include <asm/io.h>
-+#include <linux/time.h>
-+#include "atmeltwi.h"
-+
-+static unsigned int baudrate = CONFIG_I2C_ATMELTWI_BAUDRATE;
-+module_param(baudrate, uint, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
-+MODULE_PARM_DESC(baudrate, "The TWI baudrate");
-+
-+
-+struct atmel_twi {
-+ void __iomem *regs;
-+ struct i2c_adapter adapter;
-+ struct clk *pclk;
-+ spinlock_t lock;
-+ struct completion comp;
-+ u32 intmask;
-+ u8 *buf;
-+ u8 len;
-+ u8 acks_left;
-+ u8 nack;
-+ unsigned int irq;
++#include <linux/list.h>
++#include <linux/clk.h>
++#include <linux/err.h>
++#include <linux/io.h>
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/atmel-ssc.h>
+
-+};
-+#define to_atmel_twi(adap) container_of(adap, struct atmel_twi, adapter)
++/* Serialize access to ssc_list and user count */
++static DEFINE_SPINLOCK(user_lock);
++static LIST_HEAD(ssc_list);
+
-+/*
-+ * Initialize the TWI hardware registers.
-+ */
-+static int __devinit twi_hwinit(struct atmel_twi *twi)
++struct ssc_device *ssc_request(unsigned int ssc_num)
+{
-+ unsigned long cdiv, ckdiv=0;
++ int ssc_valid = 0;
++ struct ssc_device *ssc;
+
-+ twi_writel(twi, IDR, ~0UL);
-+ twi_writel(twi, CR, TWI_BIT(SWRST)); /*Reset peripheral*/
-+ twi_readl(twi, SR);
++ spin_lock(&user_lock);
++ list_for_each_entry(ssc, &ssc_list, list) {
++ if (ssc->pdev->id == ssc_num) {
++ ssc_valid = 1;
++ break;
++ }
++ }
+
-+ cdiv = (clk_get_rate(twi->pclk) / (2 * baudrate)) - 4;
++ if (!ssc_valid) {
++ spin_unlock(&user_lock);
++ dev_dbg(&ssc->pdev->dev, "could not find requested device\n");
++ return ERR_PTR(-ENODEV);
++ }
+
-+ while (cdiv > 255) {
-+ ckdiv++;
-+ cdiv = cdiv >> 1;
++ if (ssc->user) {
++ spin_unlock(&user_lock);
++ dev_dbg(&ssc->pdev->dev, "module busy\n");
++ return ERR_PTR(-EBUSY);
+ }
++ ssc->user++;
++ spin_unlock(&user_lock);
+
-+ if (ckdiv > 7)
-+ return -EINVAL;
-+ else
-+ twi_writel(twi, CWGR, (TWI_BF(CKDIV, ckdiv)
-+ | TWI_BF(CHDIV, cdiv)
-+ | TWI_BF(CLDIV, cdiv)));
-+ return 0;
++ clk_enable(ssc->clk);
++
++ return ssc;
+}
++EXPORT_SYMBOL(ssc_request);
+
-+/*
-+ * Waits for the i2c status register to set the specified bitmask
-+ * Returns 0 if timed out (~100ms).
-+ */
-+static short twi_complete(struct atmel_twi *twi, u32 mask)
++void ssc_free(struct ssc_device *ssc)
+{
-+ int timeout = msecs_to_jiffies(100);
-+
-+ twi->intmask = mask;
-+ init_completion(&twi->comp);
-+
-+ twi_writel(twi, IER, mask);
-+
-+ if (!wait_for_completion_timeout(&twi->comp, timeout)) {
-+ /* RESET TWI interface */
-+ twi_writel(twi, CR, TWI_BIT(SWRST));
-+
-+ /* Reinitialize TWI */
-+ twi_hwinit(twi);
-+
-+ return -ETIMEDOUT;
++ spin_lock(&user_lock);
++ if (ssc->user) {
++ ssc->user--;
++ clk_disable(ssc->clk);
++ } else {
++ dev_dbg(&ssc->pdev->dev, "device already free\n");
+ }
-+ return 0;
++ spin_unlock(&user_lock);
+}
++EXPORT_SYMBOL(ssc_free);
+
-+/*
-+ * Generic i2c master transfer entrypoint.
-+ */
-+static int twi_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
++static int __init ssc_probe(struct platform_device *pdev)
+{
-+ struct atmel_twi *twi = to_atmel_twi(adap);
-+ struct i2c_msg *pmsg;
-+ int i;
++ int retval = 0;
++ struct resource *regs;
++ struct ssc_device *ssc;
+
-+ /* get first message */
-+ pmsg = msgs;
++ ssc = kzalloc(sizeof(struct ssc_device), GFP_KERNEL);
++ if (!ssc) {
++ dev_dbg(&pdev->dev, "out of memory\n");
++ retval = -ENOMEM;
++ goto out;
++ }
+
-+ dev_dbg(&adap->dev, "twi_xfer: processing %d messages:\n", num);
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs) {
++ dev_dbg(&pdev->dev, "no mmio resource defined\n");
++ retval = -ENXIO;
++ goto out_free;
++ }
+
-+ twi->nack = 0;
-+ for (i = 0; i < num; i++, pmsg++) {
-+ twi->len = pmsg->len;
-+ twi->buf = pmsg->buf;
-+ twi->acks_left = pmsg->len;
-+ twi_writel(twi, MMR, TWI_BF(DADR, pmsg->addr) |
-+ (pmsg->flags & I2C_M_RD ? TWI_BIT(MREAD) : 0));
-+ twi_writel(twi, IADR, TWI_BF(IADR, pmsg->addr));
++ ssc->clk = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(ssc->clk)) {
++ dev_dbg(&pdev->dev, "no pclk clock defined\n");
++ retval = -ENXIO;
++ goto out_free;
++ }
+
-+ dev_dbg(&adap->dev,"#%d: internal addr %d %s byte%s %s 0x%02x\n",
-+ i,pmsg->len, pmsg->flags & I2C_M_RD ? "reading" : "writing",
-+ pmsg->len > 1 ? "s" : "",
-+ pmsg->flags & I2C_M_RD ? "from" : "to", pmsg->addr);
++ ssc->pdev = pdev;
++ ssc->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!ssc->regs) {
++ dev_dbg(&pdev->dev, "ioremap failed\n");
++ retval = -EINVAL;
++ goto out_clk;
++ }
+
-+ /* enable */
-+ twi_writel(twi, CR, TWI_BIT(MSEN));
++ /* disable all interrupts */
++ clk_enable(ssc->clk);
++ ssc_writel(ssc->regs, IDR, ~0UL);
++ ssc_readl(ssc->regs, SR);
++ clk_disable(ssc->clk);
+
-+ if (pmsg->flags & I2C_M_RD) {
-+ if (twi->len == 1)
-+ twi_writel(twi, CR,
-+ TWI_BIT(START) | TWI_BIT(STOP));
-+ else
-+ twi_writel(twi, CR, TWI_BIT(START));
++ ssc->irq = platform_get_irq(pdev, 0);
++ if (!ssc->irq) {
++ dev_dbg(&pdev->dev, "could not get irq\n");
++ retval = -ENXIO;
++ goto out_unmap;
++ }
+
-+ if (twi_complete(twi, TWI_BIT(RXRDY)) == -ETIMEDOUT) {
-+ dev_dbg(&adap->dev, "RXRDY timeout. Stopped with %d bytes left\n",
-+ twi->acks_left);
-+ return -ETIMEDOUT;
-+ }
-+ } else {
-+ twi_writel(twi, THR, twi->buf[0]);
-+ if (twi_complete(twi, TWI_BIT(TXRDY)) == -ETIMEDOUT) {
-+ dev_dbg(&adap->dev, "TXRDY timeout. Stopped with %d bytes left\n",
-+ twi->acks_left);
-+ return -ETIMEDOUT;
-+ }
++ spin_lock(&user_lock);
++ list_add_tail(&ssc->list, &ssc_list);
++ spin_unlock(&user_lock);
+
-+ if (twi->nack)
-+ return -ENODEV;
-+ }
++ platform_set_drvdata(pdev, ssc);
+
-+ /* Disable TWI interface */
-+ twi_writel(twi, CR, TWI_BIT(MSDIS));
++ dev_info(&pdev->dev, "Atmel SSC device at 0x%p (irq %d)\n",
++ ssc->regs, ssc->irq);
+
-+ } /* end cur msg */
++ goto out;
+
-+ return i;
++out_unmap:
++ iounmap(ssc->regs);
++out_clk:
++ clk_put(ssc->clk);
++out_free:
++ kfree(ssc);
++out:
++ return retval;
+}
+
-+
-+static irqreturn_t twi_interrupt(int irq, void *dev_id)
++static int __devexit ssc_remove(struct platform_device *pdev)
+{
-+ struct atmel_twi *twi = dev_id;
-+ int status = twi_readl(twi, SR);
++ struct ssc_device *ssc = platform_get_drvdata(pdev);
+
-+ /* Save state for later debug prints */
-+ int old_mask = twi->intmask;
-+ int old_status = status;
++ spin_lock(&user_lock);
++ iounmap(ssc->regs);
++ clk_put(ssc->clk);
++ list_del(&ssc->list);
++ kfree(ssc);
++ spin_unlock(&user_lock);
+
-+ if (twi->intmask & status) {
-+ if (status & TWI_BIT(NACK))
-+ goto nack;
++ return 0;
++}
+
-+ status &= twi->intmask;
-+
-+ if (status & TWI_BIT(TXCOMP))
-+ goto complete;
-+
-+ else if (status & TWI_BIT(RXRDY)) {
-+ if ( twi->acks_left > 0 ) {
-+ twi->buf[twi->len - twi->acks_left] =
-+ twi_readl(twi, RHR);
-+ twi->acks_left--;
-+ }
-+ if ( twi->acks_left == 1 )
-+ twi_writel(twi, CR, TWI_BIT(STOP));
-+
-+ if (twi->acks_left == 0 ) {
-+ twi->intmask = TWI_BIT(TXCOMP);
-+ twi_writel(twi, IER, TWI_BIT(TXCOMP));
-+ }
-+ } else if (status & TWI_BIT(TXRDY)) {
-+ twi->acks_left--;
-+ if ( twi->acks_left == 0 ) {
-+ twi->intmask = TWI_BIT(TXCOMP);
-+ twi_writel(twi, IER, TWI_BIT(TXCOMP));
-+ } else if (twi->acks_left > 0)
-+ twi_writel(twi, THR, twi->buf[twi->len - twi->acks_left]);
-+ }
-+ }
-+
-+ dev_dbg(&twi->adapter.dev,
-+ "TWI ISR, SR 0x%08X, intmask 0x%08X, acks_left %i.\n",
-+ old_status, old_mask, twi->acks_left);
-+
-+ return IRQ_HANDLED;
-+
-+nack:
-+ dev_dbg(&twi->adapter.dev, "NACK received!\n");
-+ twi->nack = 1;
-+
-+complete:
-+ twi_writel(twi, IDR, ~0UL);
-+ complete(&twi->comp);
-+
-+ dev_dbg(&twi->adapter.dev,
-+ "TWI ISR, SR 0x%08X, intmask 0x%08X, \
-+ acks_left %i - completed.\n",
-+ old_status, old_mask, twi->acks_left);
-+
-+ return IRQ_HANDLED;
-+}
-+
-+
-+/*
-+ * Return list of supported functionality.
-+ */
-+static u32 twi_func(struct i2c_adapter *adapter)
-+{
-+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
-+}
-+
-+/* For now, we only handle combined mode (smbus) */
-+static struct i2c_algorithm twi_algorithm = {
-+ .master_xfer = twi_xfer,
-+ .functionality = twi_func,
-+};
-+
-+/*
-+ * Main initialization routine.
-+ */
-+static int __devinit twi_probe(struct platform_device *pdev)
-+{
-+ struct atmel_twi *twi;
-+ struct resource *regs;
-+ struct clk *pclk;
-+ struct i2c_adapter *adapter;
-+ int rc, irq;
-+
-+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!regs)
-+ return -ENXIO;
-+
-+ pclk = clk_get(&pdev->dev, "pclk");
-+ if (IS_ERR(pclk))
-+ return PTR_ERR(pclk);
-+ clk_enable(pclk);
-+
-+ rc = -ENOMEM;
-+ twi = kzalloc(sizeof(struct atmel_twi), GFP_KERNEL);
-+ if (!twi) {
-+ dev_err(&pdev->dev, "can't allocate interface!\n");
-+ goto err_alloc_twi;
-+ }
-+
-+ twi->pclk = pclk;
-+ twi->regs = ioremap(regs->start, regs->end - regs->start + 1);
-+ if (!twi->regs)
-+ goto err_ioremap;
-+
-+ irq = platform_get_irq(pdev,0);
-+ rc = request_irq(irq, twi_interrupt, 0, "twi", twi);
-+ if (rc) {
-+ dev_err(&pdev->dev, "can't bind irq!\n");
-+ goto err_irq;
-+ }
-+ twi->irq = irq;
-+
-+ rc = twi_hwinit(twi);
-+ if (rc) {
-+ dev_err(&pdev->dev, "Unable to set baudrate\n");
-+ goto err_hw_init;
-+ }
-+
-+ adapter = &twi->adapter;
-+ sprintf(adapter->name, "TWI");
-+ adapter->algo = &twi_algorithm;
-+ adapter->class = I2C_CLASS_HWMON;
-+ adapter->dev.parent = &pdev->dev;
-+
-+ platform_set_drvdata(pdev, twi);
-+
-+ rc = i2c_add_adapter(adapter);
-+ if (rc) {
-+ dev_err(&pdev->dev, "Adapter %s registration failed\n",
-+ adapter->name);
-+ goto err_register;
-+ }
-+
-+ dev_info(&pdev->dev, "Atmel TWI i2c bus device (baudrate %dk) at 0x%08lx.\n",
-+ baudrate/1000, (unsigned long)regs->start);
-+
-+ return 0;
-+
-+
-+err_register:
-+ platform_set_drvdata(pdev, NULL);
-+
-+err_hw_init:
-+ free_irq(irq, twi);
-+
-+err_irq:
-+ iounmap(twi->regs);
-+
-+err_ioremap:
-+ kfree(twi);
-+
-+err_alloc_twi:
-+ clk_disable(pclk);
-+ clk_put(pclk);
-+
-+ return rc;
-+}
-+
-+static int __devexit twi_remove(struct platform_device *pdev)
-+{
-+ struct atmel_twi *twi = platform_get_drvdata(pdev);
-+ int res;
-+
-+ platform_set_drvdata(pdev, NULL);
-+ res = i2c_del_adapter(&twi->adapter);
-+ twi_writel(twi, CR, TWI_BIT(MSDIS));
-+ iounmap(twi->regs);
-+ clk_disable(twi->pclk);
-+ clk_put(twi->pclk);
-+ free_irq(twi->irq, twi);
-+ kfree(twi);
-+
-+ return res;
-+}
-+
-+static struct platform_driver twi_driver = {
-+ .probe = twi_probe,
-+ .remove = __devexit_p(twi_remove),
++static struct platform_driver ssc_driver = {
++ .remove = __devexit_p(ssc_remove),
+ .driver = {
-+ .name = "atmel_twi",
-+ .owner = THIS_MODULE,
++ .name = "ssc",
+ },
+};
+
-+static int __init atmel_twi_init(void)
++static int __init ssc_init(void)
+{
-+ return platform_driver_register(&twi_driver);
++ return platform_driver_probe(&ssc_driver, ssc_probe);
+}
++module_init(ssc_init);
+
-+static void __exit atmel_twi_exit(void)
++static void __exit ssc_exit(void)
+{
-+ platform_driver_unregister(&twi_driver);
++ platform_driver_unregister(&ssc_driver);
+}
++module_exit(ssc_exit);
+
-+module_init(atmel_twi_init);
-+module_exit(atmel_twi_exit);
-+
-+MODULE_AUTHOR("Espen Krangnes");
-+MODULE_DESCRIPTION("I2C driver for Atmel TWI");
++MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
++MODULE_DESCRIPTION("SSC driver for Atmel AVR32 and AT91");
+MODULE_LICENSE("GPL");
-diff -x .git -Nur linux-2.6.22.1/drivers/i2c/busses/Kconfig linux-avr32.git/drivers/i2c/busses/Kconfig
---- linux-2.6.22.1/drivers/i2c/busses/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/i2c/busses/Kconfig 2007-07-12 13:59:59.000000000 +0200
-@@ -4,6 +4,26 @@
+diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
+index e23082f..1de1716 100644
+--- a/drivers/mmc/host/Kconfig
++++ b/drivers/mmc/host/Kconfig
+@@ -74,6 +74,16 @@ config MMC_AT91
- menu "I2C Hardware Bus support"
+ If unsure, say N.
-+config I2C_ATMELTWI
-+ tristate "Atmel TWI/I2C"
-+ depends on I2C
-+ help
-+ Atmel on-chip TWI controller. Say Y if you have an AT32 or
-+ AT91-based device and want to use its built-in TWI
-+ functionality. Atmel's TWI is compatible with Philips' I2C
-+ protocol. If in doubt, say NO
-+
-+config I2C_ATMELTWI_BAUDRATE
-+ prompt "Atmel TWI baudrate"
-+ depends on I2C_ATMELTWI
-+ int
-+ default 100000
++config MMC_ATMELMCI
++ tristate "Atmel Multimedia Card Interface support"
++ depends on AVR32 && MMC
+ help
-+ Set the TWI/I2C baudrate. This will alter the default value. A
-+ different baudrate can be set by using a module parameter as well. If
-+ no parameter is provided when loading, this is the value that will be
-+ used.
-+
- config I2C_ALI1535
- tristate "ALI 1535"
- depends on PCI
-diff -x .git -Nur linux-2.6.22.1/drivers/i2c/busses/Makefile linux-avr32.git/drivers/i2c/busses/Makefile
---- linux-2.6.22.1/drivers/i2c/busses/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/i2c/busses/Makefile 2007-07-12 13:59:59.000000000 +0200
-@@ -52,6 +52,7 @@
- obj-$(CONFIG_I2C_VOODOO3) += i2c-voodoo3.o
- obj-$(CONFIG_SCx200_ACB) += scx200_acb.o
- obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o
-+obj-$(CONFIG_I2C_ATMELTWI) += i2c-atmeltwi.o
++ This selects the Atmel Multimedia Card Interface. If you have
++ a AT91 (ARM) or AT32 (AVR32) platform with a Multimedia Card
++ slot, say Y or M here.
++
++ If unsure, say N.
++
+ config MMC_IMX
+ tristate "Motorola i.MX Multimedia Card Interface support"
+ depends on ARCH_IMX
+diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
+index 6685f64..4b8e6e2 100644
+--- a/drivers/mmc/host/Makefile
++++ b/drivers/mmc/host/Makefile
+@@ -14,5 +14,6 @@ obj-$(CONFIG_MMC_WBSD) += wbsd.o
+ obj-$(CONFIG_MMC_AU1X) += au1xmmc.o
+ obj-$(CONFIG_MMC_OMAP) += omap.o
+ obj-$(CONFIG_MMC_AT91) += at91_mci.o
++obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o
+ obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o
- ifeq ($(CONFIG_I2C_DEBUG_BUS),y)
- EXTRA_CFLAGS += -DDEBUG
-diff -x .git -Nur linux-2.6.22.1/drivers/input/mouse/gpio_mouse.c linux-avr32.git/drivers/input/mouse/gpio_mouse.c
---- linux-2.6.22.1/drivers/input/mouse/gpio_mouse.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/input/mouse/gpio_mouse.c 2007-07-13 11:24:16.000000000 +0200
-@@ -0,0 +1,196 @@
+diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
+new file mode 100644
+index 0000000..45323c9
+--- /dev/null
++++ b/drivers/mmc/host/atmel-mci.c
+@@ -0,0 +1,1161 @@
+/*
-+ * Driver for simulating a mouse on GPIO lines.
++ * Atmel MultiMedia Card Interface driver
+ *
-+ * Copyright (C) 2007 Atmel Corporation
++ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
-+
++#include <linux/blkdev.h>
++#include <linux/clk.h>
++#include <linux/device.h>
++#include <linux/dma-mapping.h>
+#include <linux/init.h>
-+#include <linux/version.h>
++#include <linux/interrupt.h>
++#include <linux/ioport.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
-+#include <linux/input-polldev.h>
-+#include <linux/gpio_mouse.h>
-+
-+#include <asm/gpio.h>
-+
-+/*
-+ * Timer function which is run every scan_ms ms when the device is opened.
-+ * The dev input varaible is set to the the input_dev pointer.
-+ */
-+static void gpio_mouse_scan(struct input_polled_dev *dev)
-+{
-+ struct gpio_mouse_platform_data *gpio = dev->private;
-+ struct input_dev *input = dev->input;
-+ int x, y;
-+
-+ if (gpio->bleft >= 0)
-+ input_report_key(input, BTN_LEFT,
-+ gpio_get_value(gpio->bleft) ^ gpio->polarity);
-+ if (gpio->bmiddle >= 0)
-+ input_report_key(input, BTN_MIDDLE,
-+ gpio_get_value(gpio->bmiddle) ^ gpio->polarity);
-+ if (gpio->bright >= 0)
-+ input_report_key(input, BTN_RIGHT,
-+ gpio_get_value(gpio->bright) ^ gpio->polarity);
-+
-+ x = (gpio_get_value(gpio->right) ^ gpio->polarity)
-+ - (gpio_get_value(gpio->left) ^ gpio->polarity);
-+ y = (gpio_get_value(gpio->down) ^ gpio->polarity)
-+ - (gpio_get_value(gpio->up) ^ gpio->polarity);
-+
-+ input_report_rel(input, REL_X, x);
-+ input_report_rel(input, REL_Y, y);
-+ input_sync(input);
-+}
-+
-+static int __init gpio_mouse_probe(struct platform_device *pdev)
-+{
-+ struct gpio_mouse_platform_data *pdata = pdev->dev.platform_data;
-+ struct input_polled_dev *input_poll;
-+ struct input_dev *input;
-+ int pin, i;
-+ int error;
-+
-+ if (!pdata) {
-+ dev_err(&pdev->dev, "no platform data\n");
-+ error = -ENXIO;
-+ goto out;
-+ }
-+
-+ if (pdata->scan_ms < 0) {
-+ dev_err(&pdev->dev, "invalid scan time\n");
-+ error = -EINVAL;
-+ goto out;
-+ }
+
-+ for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) {
-+ pin = pdata->pins[i];
++#include <linux/mmc/host.h>
+
-+ if (pin < 0) {
++#include <asm/dma-controller.h>
++#include <asm/io.h>
++#include <asm/arch/board.h>
++#include <asm/arch/gpio.h>
+
-+ if (i <= GPIO_MOUSE_PIN_RIGHT) {
-+ /* Mouse direction is required. */
-+ dev_err(&pdev->dev,
-+ "missing GPIO for directions\n");
-+ error = -EINVAL;
-+ goto out_free_gpios;
-+ }
++#include "atmel-mci.h"
+
-+ if (i == GPIO_MOUSE_PIN_BLEFT)
-+ dev_dbg(&pdev->dev, "no left button defined\n");
++#define DRIVER_NAME "atmel_mci"
+
-+ } else {
-+ error = gpio_request(pin, "gpio_mouse");
-+ if (error) {
-+ dev_err(&pdev->dev, "fail %d pin (%d idx)\n",
-+ pin, i);
-+ goto out_free_gpios;
-+ }
++#define MCI_DATA_ERROR_FLAGS (MCI_BIT(DCRCE) | MCI_BIT(DTOE) | \
++ MCI_BIT(OVRE) | MCI_BIT(UNRE))
+
-+ gpio_direction_input(pin);
-+ }
-+ }
++enum {
++ EVENT_CMD_COMPLETE = 0,
++ EVENT_DATA_COMPLETE,
++ EVENT_DATA_ERROR,
++ EVENT_STOP_SENT,
++ EVENT_STOP_COMPLETE,
++ EVENT_DMA_ERROR,
++ EVENT_CARD_DETECT,
++};
+
-+ input_poll = input_allocate_polled_device();
-+ if (!input_poll) {
-+ dev_err(&pdev->dev, "not enough memory for input device\n");
-+ error = -ENOMEM;
-+ goto out_free_gpios;
-+ }
++struct atmel_mci_dma {
++ struct dma_request_sg req;
++ unsigned short rx_periph_id;
++ unsigned short tx_periph_id;
++};
+
-+ platform_set_drvdata(pdev, input_poll);
++struct atmel_mci {
++ struct mmc_host *mmc;
++ void __iomem *regs;
++ struct atmel_mci_dma dma;
+
-+ /* set input-polldev handlers */
-+ input_poll->private = pdata;
-+ input_poll->poll = gpio_mouse_scan;
-+ input_poll->poll_interval = pdata->scan_ms;
++ struct mmc_request *mrq;
++ struct mmc_command *cmd;
++ struct mmc_data *data;
+
-+ input = input_poll->input;
-+ input->name = pdev->name;
-+ input->id.bustype = BUS_HOST;
-+ input->dev.parent = &pdev->dev;
++ u32 cmd_status;
++ u32 data_status;
++ u32 stop_status;
++ u32 stop_cmdr;
+
-+ input_set_capability(input, EV_REL, REL_X);
-+ input_set_capability(input, EV_REL, REL_Y);
-+ if (pdata->bleft >= 0)
-+ input_set_capability(input, EV_KEY, BTN_LEFT);
-+ if (pdata->bmiddle >= 0)
-+ input_set_capability(input, EV_KEY, BTN_MIDDLE);
-+ if (pdata->bright >= 0)
-+ input_set_capability(input, EV_KEY, BTN_RIGHT);
++ struct tasklet_struct tasklet;
++ unsigned long pending_events;
++ unsigned long completed_events;
+
-+ error = input_register_polled_device(input_poll);
-+ if (error) {
-+ dev_err(&pdev->dev, "could not register input device\n");
-+ goto out_free_polldev;
-+ }
++ int present;
++ int detect_pin;
++ int wp_pin;
+
-+ dev_dbg(&pdev->dev, "%d ms scan time, buttons: %s%s%s\n",
-+ pdata->scan_ms,
-+ pdata->bleft < 0 ? "" : "left ",
-+ pdata->bmiddle < 0 ? "" : "middle ",
-+ pdata->bright < 0 ? "" : "right");
++ unsigned long bus_hz;
++ unsigned long mapbase;
++ struct clk *mck;
++ struct platform_device *pdev;
+
-+ return 0;
++#ifdef CONFIG_DEBUG_FS
++ struct dentry *debugfs_root;
++ struct dentry *debugfs_regs;
++ struct dentry *debugfs_req;
++ struct dentry *debugfs_pending_events;
++ struct dentry *debugfs_completed_events;
++#endif
++};
+
-+ out_free_polldev:
-+ input_free_polled_device(input_poll);
-+ platform_set_drvdata(pdev, NULL);
-+
-+ out_free_gpios:
-+ while (--i >= 0) {
-+ pin = pdata->pins[i];
-+ if (pin)
-+ gpio_free(pin);
-+ }
-+ out:
-+ return error;
-+}
-+
-+static int __devexit gpio_mouse_remove(struct platform_device *pdev)
-+{
-+ struct input_polled_dev *input = platform_get_drvdata(pdev);
-+ struct gpio_mouse_platform_data *pdata = input->private;
-+ int pin, i;
-+
-+ input_unregister_polled_device(input);
-+ input_free_polled_device(input);
-+
-+ for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) {
-+ pin = pdata->pins[i];
-+ if (pin >= 0)
-+ gpio_free(pin);
-+ }
-+
-+ platform_set_drvdata(pdev, NULL);
-+
-+ return 0;
-+}
-+
-+struct platform_driver gpio_mouse_device_driver = {
-+ .remove = __devexit_p(gpio_mouse_remove),
-+ .driver = {
-+ .name = "gpio_mouse",
-+ }
-+};
-+
-+static int __init gpio_mouse_init(void)
-+{
-+ return platform_driver_probe(&gpio_mouse_device_driver,
-+ gpio_mouse_probe);
-+}
-+module_init(gpio_mouse_init);
-+
-+static void __exit gpio_mouse_exit(void)
-+{
-+ platform_driver_unregister(&gpio_mouse_device_driver);
-+}
-+module_exit(gpio_mouse_exit);
-+
-+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
-+MODULE_DESCRIPTION("GPIO mouse driver");
-+MODULE_LICENSE("GPL");
-diff -x .git -Nur linux-2.6.22.1/drivers/input/mouse/Kconfig linux-avr32.git/drivers/input/mouse/Kconfig
---- linux-2.6.22.1/drivers/input/mouse/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/input/mouse/Kconfig 2007-07-13 11:24:16.000000000 +0200
-@@ -216,4 +216,20 @@
- help
- Say Y here to support HIL pointers.
-
-+config MOUSE_GPIO
-+ tristate "GPIO mouse"
-+ depends on GENERIC_GPIO
-+ select INPUT_POLLDEV
-+ help
-+ This driver simulates a mouse on GPIO lines of various CPUs (and some
-+ other chips).
-+
-+ Say Y here if your device has buttons or a simple joystick connected
-+ directly to GPIO lines. Your board-specific setup logic must also
-+ provide a platform device and platform data saying which GPIOs are
-+ used.
-+
-+ To compile this driver as a module, choose M here: the
-+ module will be called gpio_mouse.
-+
- endif
-diff -x .git -Nur linux-2.6.22.1/drivers/input/mouse/Makefile linux-avr32.git/drivers/input/mouse/Makefile
---- linux-2.6.22.1/drivers/input/mouse/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/input/mouse/Makefile 2007-07-13 11:24:16.000000000 +0200
-@@ -15,6 +15,7 @@
- obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o
- obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o
- obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o
-+obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o
-
- psmouse-objs := psmouse-base.o synaptics.o
-
-diff -x .git -Nur linux-2.6.22.1/drivers/leds/Kconfig linux-avr32.git/drivers/leds/Kconfig
---- linux-2.6.22.1/drivers/leds/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/leds/Kconfig 2007-07-12 14:00:02.000000000 +0200
-@@ -95,6 +95,14 @@
- help
- This option enables support for the front LED on Cobalt Server
-
-+config LEDS_GPIO
-+ tristate "LED Support for GPIO connected LEDs"
-+ depends on LEDS_CLASS && GENERIC_GPIO
-+ help
-+ This option enables support for the LEDs connected to GPIO
-+ outputs. To be useful the particular board must have LEDs
-+ and they must be connected to the GPIO lines.
-+
- comment "LED Triggers"
-
- config LEDS_TRIGGERS
-diff -x .git -Nur linux-2.6.22.1/drivers/leds/leds-gpio.c linux-avr32.git/drivers/leds/leds-gpio.c
---- linux-2.6.22.1/drivers/leds/leds-gpio.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/leds/leds-gpio.c 2007-07-12 14:00:02.000000000 +0200
-@@ -0,0 +1,199 @@
-+/*
-+ * LEDs driver for GPIOs
-+ *
-+ * Copyright (C) 2007 8D Technologies inc.
-+ * Raphael Assenat <raph@8d.com>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ *
-+ */
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/platform_device.h>
-+#include <linux/leds.h>
-+#include <linux/workqueue.h>
-+
-+#include <asm/gpio.h>
-+
-+struct gpio_led_data {
-+ struct led_classdev cdev;
-+ unsigned gpio;
-+ struct work_struct work;
-+ u8 new_level;
-+ u8 can_sleep;
-+ u8 active_low;
-+};
-+
-+static void gpio_led_work(struct work_struct *work)
-+{
-+ struct gpio_led_data *led_dat =
-+ container_of(work, struct gpio_led_data, work);
-+
-+ gpio_set_value_cansleep(led_dat->gpio, led_dat->new_level);
-+}
-+
-+static void gpio_led_set(struct led_classdev *led_cdev,
-+ enum led_brightness value)
-+{
-+ struct gpio_led_data *led_dat =
-+ container_of(led_cdev, struct gpio_led_data, cdev);
-+ int level;
-+
-+ if (value == LED_OFF)
-+ level = 0;
-+ else
-+ level = 1;
-+
-+ if (led_dat->active_low)
-+ level = !level;
-+
-+ /* setting GPIOs with I2C/etc requires a preemptible task context */
-+ if (led_dat->can_sleep) {
-+ if (preempt_count()) {
-+ led_dat->new_level = level;
-+ schedule_work(&led_dat->work);
-+ } else
-+ gpio_set_value_cansleep(led_dat->gpio, level);
-+ } else
-+ gpio_set_value(led_dat->gpio, level);
-+}
-+
-+static int __init gpio_led_probe(struct platform_device *pdev)
-+{
-+ struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
-+ struct gpio_led *cur_led;
-+ struct gpio_led_data *leds_data, *led_dat;
-+ int i, ret = 0;
-+
-+ if (!pdata)
-+ return -EBUSY;
-+
-+ leds_data = kzalloc(sizeof(struct gpio_led_data) * pdata->num_leds,
-+ GFP_KERNEL);
-+ if (!leds_data)
-+ return -ENOMEM;
-+
-+ for (i = 0; i < pdata->num_leds; i++) {
-+ cur_led = &pdata->leds[i];
-+ led_dat = &leds_data[i];
-+
-+ led_dat->cdev.name = cur_led->name;
-+ led_dat->cdev.default_trigger = cur_led->default_trigger;
-+ led_dat->gpio = cur_led->gpio;
-+ led_dat->can_sleep = gpio_cansleep(cur_led->gpio);
-+ led_dat->active_low = cur_led->active_low;
-+ led_dat->cdev.brightness_set = gpio_led_set;
-+ led_dat->cdev.brightness = cur_led->active_low ? LED_FULL : LED_OFF;
-+
-+ ret = gpio_request(led_dat->gpio, led_dat->cdev.name);
-+ if (ret < 0)
-+ goto err;
-+
-+ gpio_direction_output(led_dat->gpio, led_dat->active_low);
-+
-+ ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
-+ if (ret < 0) {
-+ gpio_free(led_dat->gpio);
-+ goto err;
-+ }
-+
-+ INIT_WORK(&led_dat->work, gpio_led_work);
-+ }
-+
-+ platform_set_drvdata(pdev, leds_data);
-+
-+ return 0;
-+
-+err:
-+ if (i > 0) {
-+ for (i = i - 1; i >= 0; i--) {
-+ led_classdev_unregister(&leds_data[i].cdev);
-+ gpio_free(leds_data[i].gpio);
-+ }
-+ }
-+
-+ flush_scheduled_work();
-+ kfree(leds_data);
-+
-+ return ret;
-+}
-+
-+static int __exit gpio_led_remove(struct platform_device *pdev)
-+{
-+ int i;
-+ struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
-+ struct gpio_led_data *leds_data;
-+
-+ leds_data = platform_get_drvdata(pdev);
-+
-+ for (i = 0; i < pdata->num_leds; i++) {
-+ led_classdev_unregister(&leds_data[i].cdev);
-+ gpio_free(leds_data[i].gpio);
-+ }
-+
-+ kfree(leds_data);
-+
-+ return 0;
-+}
-+
-+#ifdef CONFIG_PM
-+static int gpio_led_suspend(struct platform_device *pdev, pm_message_t state)
-+{
-+ struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
-+ struct gpio_led_data *leds_data;
-+ int i;
-+
-+ leds_data = platform_get_drvdata(pdev);
-+
-+ for (i = 0; i < pdata->num_leds; i++)
-+ led_classdev_suspend(&leds_data[i].cdev);
-+
-+ return 0;
-+}
-+
-+static int gpio_led_resume(struct platform_device *pdev)
-+{
-+ struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
-+ struct gpio_led_data *leds_data;
-+ int i;
-+
-+ leds_data = platform_get_drvdata(pdev);
-+
-+ for (i = 0; i < pdata->num_leds; i++)
-+ led_classdev_resume(&leds_data[i].cdev);
-+
-+ return 0;
-+}
-+#else
-+#define gpio_led_suspend NULL
-+#define gpio_led_resume NULL
-+#endif
-+
-+static struct platform_driver gpio_led_driver = {
-+ .remove = __exit_p(gpio_led_remove),
-+ .suspend = gpio_led_suspend,
-+ .resume = gpio_led_resume,
-+ .driver = {
-+ .name = "leds-gpio",
-+ .owner = THIS_MODULE,
-+ },
-+};
-+
-+static int __init gpio_led_init(void)
-+{
-+ return platform_driver_probe(&gpio_led_driver, gpio_led_probe);
-+}
-+
-+static void __exit gpio_led_exit(void)
-+{
-+ platform_driver_unregister(&gpio_led_driver);
-+}
-+
-+module_init(gpio_led_init);
-+module_exit(gpio_led_exit);
-+
-+MODULE_AUTHOR("Raphael Assenat <raph@8d.com>");
-+MODULE_DESCRIPTION("GPIO LED driver");
-+MODULE_LICENSE("GPL");
-diff -x .git -Nur linux-2.6.22.1/drivers/leds/Makefile linux-avr32.git/drivers/leds/Makefile
---- linux-2.6.22.1/drivers/leds/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/leds/Makefile 2007-07-12 14:00:02.000000000 +0200
-@@ -16,6 +16,7 @@
- obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
- obj-$(CONFIG_LEDS_H1940) += leds-h1940.o
- obj-$(CONFIG_LEDS_COBALT) += leds-cobalt.o
-+obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
-
- # LED Triggers
- obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
-diff -x .git -Nur linux-2.6.22.1/drivers/mmc/host/atmel-mci.c linux-avr32.git/drivers/mmc/host/atmel-mci.c
---- linux-2.6.22.1/drivers/mmc/host/atmel-mci.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/mmc/host/atmel-mci.c 2007-07-12 14:00:03.000000000 +0200
-@@ -0,0 +1,1217 @@
-+/*
-+ * Atmel MultiMedia Card Interface driver
-+ *
-+ * Copyright (C) 2004-2006 Atmel Corporation
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+#include <linux/blkdev.h>
-+#include <linux/clk.h>
-+#include <linux/device.h>
-+#include <linux/dma-mapping.h>
-+#include <linux/init.h>
-+#include <linux/interrupt.h>
-+#include <linux/ioport.h>
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+
-+#include <linux/mmc/host.h>
-+
-+#include <asm/dma-controller.h>
-+#include <asm/io.h>
-+#include <asm/arch/board.h>
-+#include <asm/arch/gpio.h>
-+
-+#include "atmel-mci.h"
-+
-+#define DRIVER_NAME "atmel_mci"
-+
-+#define MCI_CMD_ERROR_FLAGS (MCI_BIT(RINDE) | MCI_BIT(RDIRE) | \
-+ MCI_BIT(RCRCE) | MCI_BIT(RENDE) | \
-+ MCI_BIT(RTOE))
-+#define MCI_DATA_ERROR_FLAGS (MCI_BIT(DCRCE) | MCI_BIT(DTOE) | \
-+ MCI_BIT(OVRE) | MCI_BIT(UNRE))
-+
-+enum {
-+ EVENT_CMD_COMPLETE = 0,
-+ EVENT_CMD_ERROR,
-+ EVENT_DATA_COMPLETE,
-+ EVENT_DATA_ERROR,
-+ EVENT_STOP_SENT,
-+ EVENT_STOP_COMPLETE,
-+ EVENT_STOP_ERROR,
-+ EVENT_DMA_ERROR,
-+ EVENT_CARD_DETECT,
-+};
-+
-+struct atmel_mci_dma {
-+ struct dma_request_sg req;
-+ unsigned short rx_periph_id;
-+ unsigned short tx_periph_id;
-+};
-+
-+struct atmel_mci {
-+ struct mmc_host *mmc;
-+ void __iomem *regs;
-+ struct atmel_mci_dma dma;
-+
-+ struct mmc_request *mrq;
-+ struct mmc_command *cmd;
-+ struct mmc_data *data;
-+
-+ u32 stop_cmdr;
-+ u32 stop_iflags;
-+
-+ struct tasklet_struct tasklet;
-+ unsigned long pending_events;
-+ unsigned long completed_events;
-+ u32 error_status;
-+
-+ int present;
-+ int detect_pin;
-+ int wp_pin;
-+
-+ unsigned long bus_hz;
-+ unsigned long mapbase;
-+ struct clk *mck;
-+ struct platform_device *pdev;
-+
-+#ifdef CONFIG_DEBUG_FS
-+ struct dentry *debugfs_root;
-+ struct dentry *debugfs_regs;
-+ struct dentry *debugfs_req;
-+ struct dentry *debugfs_pending_events;
-+ struct dentry *debugfs_completed_events;
-+#endif
-+};
-+
-+/* Those printks take an awful lot of time... */
-+#ifndef DEBUG
-+static unsigned int fmax = 15000000U;
-+#else
-+static unsigned int fmax = 1000000U;
-+#endif
-+module_param(fmax, uint, 0444);
-+MODULE_PARM_DESC(fmax, "Max frequency in Hz of the MMC bus clock");
++/* Those printks take an awful lot of time... */
++#ifndef DEBUG
++static unsigned int fmax = 15000000U;
++#else
++static unsigned int fmax = 1000000U;
++#endif
++module_param(fmax, uint, 0444);
++MODULE_PARM_DESC(fmax, "Max frequency in Hz of the MMC bus clock");
+
+/* Test bit macros for completed events */
+#define mci_cmd_is_complete(host) \
+ test_bit(EVENT_CMD_COMPLETE, &host->completed_events)
-+#define mci_cmd_error_is_complete(host) \
-+ test_bit(EVENT_CMD_ERROR, &host->completed_events)
+#define mci_data_is_complete(host) \
+ test_bit(EVENT_DATA_COMPLETE, &host->completed_events)
+#define mci_data_error_is_complete(host) \
+ test_bit(EVENT_STOP_SENT, &host->completed_events)
+#define mci_stop_is_complete(host) \
+ test_bit(EVENT_STOP_COMPLETE, &host->completed_events)
-+#define mci_stop_error_is_complete(host) \
-+ test_bit(EVENT_STOP_ERROR, &host->completed_events)
+#define mci_dma_error_is_complete(host) \
+ test_bit(EVENT_DMA_ERROR, &host->completed_events)
+#define mci_card_detect_is_complete(host) \
+/* Test and clear bit macros for pending events */
+#define mci_clear_cmd_is_pending(host) \
+ test_and_clear_bit(EVENT_CMD_COMPLETE, &host->pending_events)
-+#define mci_clear_cmd_error_is_pending(host) \
-+ test_and_clear_bit(EVENT_CMD_ERROR, &host->pending_events)
+#define mci_clear_data_is_pending(host) \
+ test_and_clear_bit(EVENT_DATA_COMPLETE, &host->pending_events)
+#define mci_clear_data_error_is_pending(host) \
+ test_and_clear_bit(EVENT_STOP_SENT, &host->pending_events)
+#define mci_clear_stop_is_pending(host) \
+ test_and_clear_bit(EVENT_STOP_COMPLETE, &host->pending_events)
-+#define mci_clear_stop_error_is_pending(host) \
-+ test_and_clear_bit(EVENT_STOP_ERROR, &host->pending_events)
+#define mci_clear_dma_error_is_pending(host) \
+ test_and_clear_bit(EVENT_DMA_ERROR, &host->pending_events)
+#define mci_clear_card_detect_is_pending(host) \
+/* Test and set bit macros for completed events */
+#define mci_set_cmd_is_completed(host) \
+ test_and_set_bit(EVENT_CMD_COMPLETE, &host->completed_events)
-+#define mci_set_cmd_error_is_completed(host) \
-+ test_and_set_bit(EVENT_CMD_ERROR, &host->completed_events)
+#define mci_set_data_is_completed(host) \
+ test_and_set_bit(EVENT_DATA_COMPLETE, &host->completed_events)
+#define mci_set_data_error_is_completed(host) \
+ test_and_set_bit(EVENT_STOP_SENT, &host->completed_events)
+#define mci_set_stop_is_completed(host) \
+ test_and_set_bit(EVENT_STOP_COMPLETE, &host->completed_events)
-+#define mci_set_stop_error_is_completed(host) \
-+ test_and_set_bit(EVENT_STOP_ERROR, &host->completed_events)
+#define mci_set_dma_error_is_completed(host) \
+ test_and_set_bit(EVENT_DMA_ERROR, &host->completed_events)
+#define mci_set_card_detect_is_completed(host) \
+/* Set bit macros for completed events */
+#define mci_set_cmd_complete(host) \
+ set_bit(EVENT_CMD_COMPLETE, &host->completed_events)
-+#define mci_set_cmd_error_complete(host) \
-+ set_bit(EVENT_CMD_ERROR, &host->completed_events)
+#define mci_set_data_complete(host) \
+ set_bit(EVENT_DATA_COMPLETE, &host->completed_events)
+#define mci_set_data_error_complete(host) \
+ set_bit(EVENT_STOP_SENT, &host->completed_events)
+#define mci_set_stop_complete(host) \
+ set_bit(EVENT_STOP_COMPLETE, &host->completed_events)
-+#define mci_set_stop_error_complete(host) \
-+ set_bit(EVENT_STOP_ERROR, &host->completed_events)
+#define mci_set_dma_error_complete(host) \
+ set_bit(EVENT_DMA_ERROR, &host->completed_events)
+#define mci_set_card_detect_complete(host) \
+/* Set bit macros for pending events */
+#define mci_set_cmd_pending(host) \
+ set_bit(EVENT_CMD_COMPLETE, &host->pending_events)
-+#define mci_set_cmd_error_pending(host) \
-+ set_bit(EVENT_CMD_ERROR, &host->pending_events)
+#define mci_set_data_pending(host) \
+ set_bit(EVENT_DATA_COMPLETE, &host->pending_events)
+#define mci_set_data_error_pending(host) \
+ set_bit(EVENT_STOP_SENT, &host->pending_events)
+#define mci_set_stop_pending(host) \
+ set_bit(EVENT_STOP_COMPLETE, &host->pending_events)
-+#define mci_set_stop_error_pending(host) \
-+ set_bit(EVENT_STOP_ERROR, &host->pending_events)
+#define mci_set_dma_error_pending(host) \
+ set_bit(EVENT_DMA_ERROR, &host->pending_events)
+#define mci_set_card_detect_pending(host) \
+/* Clear bit macros for pending events */
+#define mci_clear_cmd_pending(host) \
+ clear_bit(EVENT_CMD_COMPLETE, &host->pending_events)
-+#define mci_clear_cmd_error_pending(host) \
-+ clear_bit(EVENT_CMD_ERROR, &host->pending_events)
+#define mci_clear_data_pending(host) \
+ clear_bit(EVENT_DATA_COMPLETE, &host->pending_events)
+#define mci_clear_data_error_pending(host) \
+ clear_bit(EVENT_STOP_SENT, &host->pending_events)
+#define mci_clear_stop_pending(host) \
+ clear_bit(EVENT_STOP_COMPLETE, &host->pending_events)
-+#define mci_clear_stop_error_pending(host) \
-+ clear_bit(EVENT_STOP_ERROR, &host->pending_events)
+#define mci_clear_dma_error_pending(host) \
+ clear_bit(EVENT_DMA_ERROR, &host->pending_events)
+#define mci_clear_card_detect_pending(host) \
+ dtocyc = 15;
+ }
+
-+ pr_debug("%s: setting timeout to %u cycles\n",
-+ mmc_hostname(host->mmc),
-+ dtocyc << dtomul_to_shift[dtomul]);
++ dev_dbg(&host->mmc->class_dev, "setting timeout to %u cycles\n",
++ dtocyc << dtomul_to_shift[dtomul]);
+ mci_writel(host, DTOR, (MCI_BF(DTOMUL, dtomul)
+ | MCI_BF(DTOCYC, dtocyc)));
+}
+
+/*
-+ * Return mask with interrupt flags to be handled for this command.
++ * Return mask with command flags to be enabled for this command.
+ */
+static u32 atmci_prepare_command(struct mmc_host *mmc,
-+ struct mmc_command *cmd,
-+ u32 *cmd_flags)
++ struct mmc_command *cmd)
+{
+ u32 cmdr;
-+ u32 iflags;
+
+ cmd->error = MMC_ERR_NONE;
+
-+ cmdr = 0;
-+ BUG_ON(MCI_BFEXT(CMDNB, cmdr) != 0);
-+ cmdr = MCI_BFINS(CMDNB, cmd->opcode, cmdr);
++ cmdr = MCI_BF(CMDNB, cmd->opcode);
+
+ if (cmd->flags & MMC_RSP_PRESENT) {
+ if (cmd->flags & MMC_RSP_136)
+ if (mmc->ios.bus_mode == MMC_BUSMODE_OPENDRAIN)
+ cmdr |= MCI_BIT(OPDCMD);
+
-+ iflags = MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS;
-+ if (!(cmd->flags & MMC_RSP_CRC))
-+ iflags &= ~MCI_BIT(RCRCE);
++ dev_dbg(&mmc->class_dev,
++ "cmd: op %02x arg %08x flags %08x, cmdflags %08lx\n",
++ cmd->opcode, cmd->arg, cmd->flags, (unsigned long)cmdr);
+
-+ pr_debug("%s: cmd: op %02x arg %08x flags %08x, cmdflags %08lx\n",
-+ mmc_hostname(mmc), cmd->opcode, cmd->arg, cmd->flags,
-+ (unsigned long)cmdr);
-+
-+ *cmd_flags = cmdr;
-+ return iflags;
++ return cmdr;
+}
+
+static void atmci_start_command(struct atmel_mci *host,
+
+ iflags = mci_readl(host, IMR);
+ if (iflags)
-+ printk("WARNING: IMR=0x%08x\n", mci_readl(host, IMR));
++ dev_warn(&mmc->class_dev, "WARNING: IMR=0x%08x\n",
++ mci_readl(host, IMR));
+
+ WARN_ON(host->mrq != NULL);
+ host->mrq = mrq;
+ host->pending_events = 0;
+ host->completed_events = 0;
+
-+ iflags = atmci_prepare_command(mmc, mrq->cmd, &cmdflags);
++ iflags = MCI_BIT(CMDRDY);
++ cmdflags = atmci_prepare_command(mmc, mrq->cmd);
+
+ if (mrq->stop) {
-+ BUG_ON(!data);
++ WARN_ON(!data);
+
-+ host->stop_iflags = atmci_prepare_command(mmc, mrq->stop,
-+ &host->stop_cmdr);
++ host->stop_cmdr = atmci_prepare_command(mmc, mrq->stop);
+ host->stop_cmdr |= MCI_BF(TRCMD, MCI_TRCMD_STOP_TRANS);
+ if (!(data->flags & MMC_DATA_WRITE))
+ host->stop_cmdr |= MCI_BIT(TRDIR);
+static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
+{
+ struct atmel_mci *host = mmc_priv(mmc);
++ u32 mr;
+
+ if (ios->clock) {
+ u32 clkdiv;
+
++ /* Set clock rate */
+ clkdiv = host->bus_hz / (2 * ios->clock) - 1;
-+ if (clkdiv > 255)
++ if (clkdiv > 255) {
++ dev_warn(&mmc->class_dev,
++ "clock %u too slow; using %lu\n",
++ ios->clock, host->bus_hz / (2 * 256));
+ clkdiv = 255;
-+ mci_writel(host, MR, (clkdiv
-+ | MCI_BIT(WRPROOF)
-+ | MCI_BIT(RDPROOF)));
++ }
++
++ mr = mci_readl(host, MR);
++ mr = MCI_BFINS(CLKDIV, clkdiv, mr)
++ | MCI_BIT(WRPROOF) | MCI_BIT(RDPROOF);
++ mci_writel(host, MR, mr);
++
++ /* Enable the MCI controller */
++ mci_writel(host, CR, MCI_BIT(MCIEN));
++ } else {
++ /* Disable the MCI controller */
++ mci_writel(host, CR, MCI_BIT(MCIDIS));
+ }
+
+ switch (ios->bus_width) {
+ }
+
+ switch (ios->power_mode) {
-+ case MMC_POWER_OFF:
-+ mci_writel(host, CR, MCI_BIT(MCIDIS));
-+ break;
-+ case MMC_POWER_UP:
-+ mci_writel(host, CR, MCI_BIT(SWRST));
-+ break;
+ case MMC_POWER_ON:
-+ mci_writel(host, CR, MCI_BIT(MCIEN));
++ /* Send init sequence (74 clock cycles) */
++ mci_writel(host, IDR, ~0UL);
++ mci_writel(host, CMDR, MCI_BF(SPCMD, MCI_SPCMD_INIT_CMD));
++ while (!(mci_readl(host, SR) & MCI_BIT(CMDRDY)))
++ cpu_relax();
++ break;
++ default:
++ /*
++ * TODO: None of the currently available AVR32-based
++ * boards allow MMC power to be turned off. Implement
++ * power control when this can be tested properly.
++ */
+ break;
+ }
+}
+
+ if (host->wp_pin >= 0) {
+ read_only = gpio_get_value(host->wp_pin);
-+ pr_debug("%s: card is %s\n", mmc_hostname(mmc),
-+ read_only ? "read-only" : "read-write");
++ dev_dbg(&mmc->class_dev, "card is %s\n",
++ read_only ? "read-only" : "read-write");
+ } else {
-+ pr_debug("%s: no pin for checking read-only switch."
-+ " Assuming write-enable.\n", mmc_hostname(mmc));
++ dev_dbg(&mmc->class_dev,
++ "no pin for checking read-only switch."
++ " Assuming write-enable.\n");
+ }
+
+ return read_only;
+ struct atmel_mci *host = mmc_priv(mmc);
+
+ atmci_start_command(host, data->stop, host->stop_cmdr | flags);
-+ mci_writel(host, IER, host->stop_iflags);
++ mci_writel(host, IER, MCI_BIT(CMDRDY));
+}
+
+static void atmci_data_complete(struct atmel_mci *host, struct mmc_data *data)
+ atmci_request_end(host->mmc, data->mrq);
+}
+
-+static void atmci_command_error(struct mmc_host *mmc,
-+ struct mmc_command *cmd,
-+ u32 status)
++static void atmci_command_complete(struct atmel_mci *host,
++ struct mmc_command *cmd, u32 status)
+{
-+ pr_debug("%s: command error: status=0x%08x\n",
-+ mmc_hostname(mmc), status);
-+
+ if (status & MCI_BIT(RTOE))
+ cmd->error = MMC_ERR_TIMEOUT;
-+ else if (status & MCI_BIT(RCRCE))
++ else if ((cmd->flags & MMC_RSP_CRC)
++ && (status & MCI_BIT(RCRCE)))
+ cmd->error = MMC_ERR_BADCRC;
-+ else
++ else if (status & (MCI_BIT(RINDE) | MCI_BIT(RDIRE) | MCI_BIT(RENDE)))
+ cmd->error = MMC_ERR_FAILED;
++
++ if (cmd->error != MMC_ERR_NONE) {
++ dev_dbg(&host->mmc->class_dev,
++ "command error: op=0x%x status=0x%08x\n",
++ cmd->opcode, status);
++
++ if (cmd->data) {
++ dma_stop_request(host->dma.req.req.dmac,
++ host->dma.req.req.channel);
++ mci_writel(host, IDR, MCI_BIT(NOTBUSY)
++ | MCI_DATA_ERROR_FLAGS);
++ host->data = NULL;
++ }
++ }
+}
+
+static void atmci_tasklet_func(unsigned long priv)
+ struct mmc_request *mrq = host->mrq;
+ struct mmc_data *data = host->data;
+
-+ pr_debug("atmci_tasklet: pending/completed/mask %lx/%lx/%x\n",
++ dev_vdbg(&mmc->class_dev,
++ "tasklet: pending/completed/mask %lx/%lx/%x\n",
+ host->pending_events, host->completed_events,
+ mci_readl(host, IMR));
+
-+ if (mci_clear_cmd_error_is_pending(host)) {
-+ struct mmc_command *cmd;
-+
-+ mci_set_cmd_error_complete(host);
-+ mci_clear_cmd_pending(host);
-+ cmd = host->mrq->cmd;
-+
-+ if (cmd->data) {
-+ dma_stop_request(host->dma.req.req.dmac,
-+ host->dma.req.req.channel);
-+ host->data = NULL;
-+ }
-+
-+ atmci_command_error(mmc, cmd, host->error_status);
-+ atmci_request_end(mmc, cmd->mrq);
-+ }
-+ if (mci_clear_stop_error_is_pending(host)) {
-+ mci_set_stop_error_complete(host);
-+ mci_clear_stop_pending(host);
-+ atmci_command_error(mmc, host->mrq->stop,
-+ host->error_status);
-+ if (!host->data)
-+ atmci_request_end(mmc, host->mrq);
-+ }
+ if (mci_clear_cmd_is_pending(host)) {
+ mci_set_cmd_complete(host);
-+ if (!mrq->data || mci_data_is_complete(host)
++ atmci_command_complete(host, mrq->cmd, host->cmd_status);
++ if (!host->data || mci_data_is_complete(host)
+ || mci_data_error_is_complete(host))
+ atmci_request_end(mmc, mrq);
+ }
+ if (mci_clear_stop_is_pending(host)) {
+ mci_set_stop_complete(host);
++ atmci_command_complete(host, mrq->stop, host->stop_status);
+ if (mci_data_is_complete(host)
+ || mci_data_error_is_complete(host))
+ atmci_request_end(mmc, mrq);
+ /* DMA controller got bus error => invalid address */
+ data->error = MMC_ERR_INVALID;
+
-+ printk(KERN_DEBUG "%s: dma error after %u bytes xfered\n",
-+ mmc_hostname(mmc), host->data->bytes_xfered);
++ dev_dbg(&mmc->class_dev, "dma error after %u bytes xfered\n",
++ host->data->bytes_xfered);
+
+ if (data->stop
+ && !mci_set_stop_sent_is_completed(host))
+ atmci_data_complete(host, data);
+ }
+ if (mci_clear_data_error_is_pending(host)) {
-+ u32 status = host->error_status;
++ u32 status = host->data_status;
+
+ mci_set_data_error_complete(host);
+ mci_clear_data_pending(host);
+ dma_stop_request(host->dma.req.req.dmac,
+ host->dma.req.req.channel);
+
-+ printk(KERN_DEBUG "%s: data error: status=0x%08x\n",
-+ mmc_hostname(host->mmc), status);
-+
+ if (status & MCI_BIT(DCRCE)) {
-+ printk(KERN_DEBUG "%s: Data CRC error\n",
-+ mmc_hostname(host->mmc));
++ dev_dbg(&mmc->class_dev, "data CRC error\n");
+ data->error = MMC_ERR_BADCRC;
+ } else if (status & MCI_BIT(DTOE)) {
-+ printk(KERN_DEBUG "%s: Data Timeout error\n",
-+ mmc_hostname(host->mmc));
++ dev_dbg(&mmc->class_dev, "data timeout error\n");
+ data->error = MMC_ERR_TIMEOUT;
+ } else {
-+ printk(KERN_DEBUG "%s: Data FIFO error\n",
-+ mmc_hostname(host->mmc));
++ dev_dbg(&mmc->class_dev, "data FIFO error\n");
+ data->error = MMC_ERR_FIFO;
+ }
-+ printk(KERN_DEBUG "%s: Bytes xfered: %u\n",
-+ mmc_hostname(host->mmc), data->bytes_xfered);
++ dev_dbg(&mmc->class_dev, "bytes xfered: %u\n",
++ data->bytes_xfered);
+
+ if (data->stop
+ && !mci_set_stop_sent_is_completed(host))
+
+ /* Clean up queue if present */
+ if (mrq) {
-+ if (!mci_cmd_is_complete(host)
-+ && !mci_cmd_error_is_complete(host)) {
++ if (!mci_cmd_is_complete(host))
+ mrq->cmd->error = MMC_ERR_TIMEOUT;
-+ }
+ if (mrq->data && !mci_data_is_complete(host)
+ && !mci_data_error_is_complete(host)) {
+ dma_stop_request(host->dma.req.req.dmac,
+ host->data->error = MMC_ERR_TIMEOUT;
+ atmci_data_complete(host, data);
+ }
-+ if (mrq->stop && !mci_stop_is_complete(host)
-+ && !mci_stop_error_is_complete(host)) {
++ if (mrq->stop && !mci_stop_is_complete(host))
+ mrq->stop->error = MMC_ERR_TIMEOUT;
-+ }
+
+ host->cmd = NULL;
+ atmci_request_end(mmc, mrq);
+ cmd->resp[2] = mci_readl(host, RSPR);
+ cmd->resp[3] = mci_readl(host, RSPR);
+
-+ mci_writel(host, IDR, MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS);
++ mci_writel(host, IDR, MCI_BIT(CMDRDY));
+ host->cmd = NULL;
+
-+ if (mci_stop_sent_is_complete(host))
++ if (mci_stop_sent_is_complete(host)) {
++ host->stop_status = status;
+ mci_set_stop_pending(host);
-+ else
++ } else {
++ host->cmd_status = status;
+ mci_set_cmd_pending(host);
++ }
+
+ tasklet_schedule(&host->tasklet);
+}
+ if (data->stop && !mci_set_stop_sent_is_completed(host))
+ send_stop_cmd(host->mmc, data, 0);
+
-+ if (data->flags & MMC_DATA_READ) {
-+ mci_writel(host, IDR, MCI_DATA_ERROR_FLAGS);
-+ mci_set_data_pending(host);
-+ tasklet_schedule(&host->tasklet);
-+ } else {
-+ /*
-+ * For the WRITE case, wait for NOTBUSY. This function
-+ * is called when everything has been written to the
-+ * controller, not when the card is done programming.
-+ */
-+ mci_writel(host, IER, MCI_BIT(NOTBUSY));
-+ }
++ /*
++ * Regardless of what the documentation says, we have to wait
++ * for NOTBUSY even after block read operations.
++ *
++ * When the DMA transfer is complete, the controller may still
++ * be reading the CRC from the card, i.e. the data transfer is
++ * still in progress and we haven't seen all the potential
++ * error bits yet.
++ */
++ mci_writel(host, IER, MCI_BIT(NOTBUSY));
+}
+
+static void atmci_dma_error(struct dma_request *_req)
+ pending = status & mask;
+
+ do {
-+ if (pending & MCI_CMD_ERROR_FLAGS) {
-+ mci_writel(host, IDR, (MCI_BIT(CMDRDY)
-+ | MCI_BIT(NOTBUSY)
-+ | MCI_CMD_ERROR_FLAGS
-+ | MCI_DATA_ERROR_FLAGS));
-+ host->error_status = status;
-+ host->cmd = NULL;
-+ if (mci_stop_sent_is_complete(host))
-+ mci_set_stop_error_pending(host);
-+ else
-+ mci_set_cmd_error_pending(host);
-+ tasklet_schedule(&host->tasklet);
-+ break;
-+ }
+ if (pending & MCI_DATA_ERROR_FLAGS) {
+ mci_writel(host, IDR, (MCI_BIT(NOTBUSY)
+ | MCI_DATA_ERROR_FLAGS));
-+ host->error_status = status;
++ host->data_status = status;
+ mci_set_data_error_pending(host);
+ tasklet_schedule(&host->tasklet);
+ break;
+ int present = !gpio_get_value(irq_to_gpio(irq));
+
+ if (present != host->present) {
-+ pr_debug("%s: card %s\n", mmc_hostname(host->mmc),
-+ present ? "inserted" : "removed");
++ dev_dbg(&mmc->class_dev, "card %s\n",
++ present ? "inserted" : "removed");
+ host->present = present;
+ mci_set_card_detect_pending(host);
+ tasklet_schedule(&host->tasklet);
+ mmc->ops = &atmci_ops;
+ mmc->f_min = (host->bus_hz + 511) / 512;
+ mmc->f_max = min((unsigned int)(host->bus_hz / 2), fmax);
-+ mmc->ocr_avail = 0x00100000;
++ mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
+ mmc->caps |= MMC_CAP_4_BIT_DATA;
+
+ tasklet_init(&host->tasklet, atmci_tasklet_func, (unsigned long)mmc);
+ host->present = 1;
+ if (host->detect_pin >= 0) {
+ if (gpio_request(host->detect_pin, "mmc_detect")) {
-+ printk(KERN_WARNING "%s: no detect pin available\n",
-+ mmc_hostname(host->mmc));
++ dev_dbg(&mmc->class_dev, "no detect pin available\n");
+ host->detect_pin = -1;
+ } else {
+ host->present = !gpio_get_value(host->detect_pin);
+ }
+ if (host->wp_pin >= 0) {
+ if (gpio_request(host->wp_pin, "mmc_wp")) {
-+ printk(KERN_WARNING "%s: no WP pin available\n",
-+ mmc_hostname(host->mmc));
++ dev_dbg(&mmc->class_dev, "no WP pin available\n");
+ host->wp_pin = -1;
+ }
+ }
+ ret = -ENOMEM;
+ host->dma.req.req.dmac = find_dma_controller(0);
+ if (!host->dma.req.req.dmac) {
-+ printk(KERN_ERR
-+ "mmci: No DMA controller available, aborting\n");
++ dev_dbg(&mmc->class_dev, "no DMA controller available\n");
+ goto out_free_irq;
+ }
+ ret = dma_alloc_channel(host->dma.req.req.dmac);
+ if (ret < 0) {
-+ printk(KERN_ERR
-+ "mmci: Unable to allocate DMA channel, aborting\n");
++ dev_dbg(&mmc->class_dev, "unable to allocate DMA channel\n");
+ goto out_free_irq;
+ }
+ host->dma.req.req.channel = ret;
+
+ mci_writel(host, CR, MCI_BIT(SWRST));
+ mci_writel(host, IDR, ~0UL);
-+ mci_writel(host, CR, MCI_BIT(MCIEN));
+
+ platform_set_drvdata(pdev, host);
+
+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+ DRIVER_NAME, mmc);
+ if (ret) {
-+ printk(KERN_ERR
-+ "%s: could not request IRQ %d for detect pin\n",
-+ mmc_hostname(mmc),
-+ gpio_to_irq(host->detect_pin));
++ dev_dbg(&mmc->class_dev,
++ "could not request IRQ %d for detect pin\n",
++ gpio_to_irq(host->detect_pin));
+ gpio_free(host->detect_pin);
+ host->detect_pin = -1;
+ }
+ }
+
-+ printk(KERN_INFO "%s: Atmel MCI controller at 0x%08lx irq %d\n",
-+ mmc_hostname(mmc), host->mapbase, irq);
++ dev_info(&mmc->class_dev, "Atmel MCI controller at 0x%08lx irq %d\n",
++ host->mapbase, irq);
+
+ atmci_init_debugfs(host);
+
+
+MODULE_DESCRIPTION("Atmel Multimedia Card Interface driver");
+MODULE_LICENSE("GPL");
-diff -x .git -Nur linux-2.6.22.1/drivers/mmc/host/atmel-mci.h linux-avr32.git/drivers/mmc/host/atmel-mci.h
---- linux-2.6.22.1/drivers/mmc/host/atmel-mci.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/mmc/host/atmel-mci.h 2007-07-12 14:00:03.000000000 +0200
+diff --git a/drivers/mmc/host/atmel-mci.h b/drivers/mmc/host/atmel-mci.h
+new file mode 100644
+index 0000000..60d15c4
+--- /dev/null
++++ b/drivers/mmc/host/atmel-mci.h
@@ -0,0 +1,192 @@
+/*
+ * Atmel MultiMedia Card Interface driver
+ __raw_writel((value), (port)->regs + MCI_##reg)
+
+#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */
-diff -x .git -Nur linux-2.6.22.1/drivers/mmc/host/Kconfig linux-avr32.git/drivers/mmc/host/Kconfig
---- linux-2.6.22.1/drivers/mmc/host/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/mmc/host/Kconfig 2007-07-12 14:00:03.000000000 +0200
-@@ -74,6 +74,16 @@
-
- If unsure, say N.
-
-+config MMC_ATMELMCI
-+ tristate "Atmel Multimedia Card Interface support"
-+ depends on AVR32 && MMC
-+ help
-+ This selects the Atmel Multimedia Card Interface. If you have
-+ a AT91 (ARM) or AT32 (AVR32) platform with a Multimedia Card
-+ slot, say Y or M here.
-+
-+ If unsure, say N.
-+
- config MMC_IMX
- tristate "Motorola i.MX Multimedia Card Interface support"
- depends on ARCH_IMX
-diff -x .git -Nur linux-2.6.22.1/drivers/mmc/host/Makefile linux-avr32.git/drivers/mmc/host/Makefile
---- linux-2.6.22.1/drivers/mmc/host/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/mmc/host/Makefile 2007-07-12 14:00:03.000000000 +0200
-@@ -14,5 +14,6 @@
- obj-$(CONFIG_MMC_AU1X) += au1xmmc.o
- obj-$(CONFIG_MMC_OMAP) += omap.o
- obj-$(CONFIG_MMC_AT91) += at91_mci.o
-+obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o
- obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o
-
-diff -x .git -Nur linux-2.6.22.1/drivers/mtd/chips/cfi_cmdset_0001.c linux-avr32.git/drivers/mtd/chips/cfi_cmdset_0001.c
---- linux-2.6.22.1/drivers/mtd/chips/cfi_cmdset_0001.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/mtd/chips/cfi_cmdset_0001.c 2007-07-12 14:00:03.000000000 +0200
+diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
+index 2f19fa7..94304ca 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0001.c
++++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -50,6 +50,7 @@
#define I82802AC 0x00ac
#define MANUFACTURER_ST 0x0020
static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
static int cfi_intelext_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
-@@ -156,6 +157,47 @@
+@@ -156,6 +157,47 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp)
}
#endif
#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
/* Some Intel Strata Flash prior to FPO revision C has bugs in this area */
static void fixup_intel_strataflash(struct mtd_info *mtd, void* param)
-@@ -233,6 +275,7 @@
+@@ -233,6 +275,7 @@ static void fixup_use_powerup_lock(struct mtd_info *mtd, void *param)
}
static struct cfi_fixup cfi_fixup_table[] = {
#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
{ CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL },
#endif
-diff -x .git -Nur linux-2.6.22.1/drivers/mtd/chips/cfi_cmdset_0002.c linux-avr32.git/drivers/mtd/chips/cfi_cmdset_0002.c
---- linux-2.6.22.1/drivers/mtd/chips/cfi_cmdset_0002.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/mtd/chips/cfi_cmdset_0002.c 2007-06-06 11:33:56.000000000 +0200
-@@ -186,6 +186,10 @@
+diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
+index 1f64458..205977b 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -185,6 +185,10 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
extp->TopBottom = 2;
else
extp->TopBottom = 3;
}
static void fixup_use_secsi(struct mtd_info *mtd, void *param)
-@@ -218,6 +222,7 @@
+@@ -217,6 +221,7 @@ static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param)
}
static struct cfi_fixup cfi_fixup_table[] = {
#ifdef AMD_BOOTLOC_BUG
{ CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
#endif
-@@ -230,7 +235,6 @@
+@@ -229,7 +234,6 @@ static struct cfi_fixup cfi_fixup_table[] = {
#if !FORCE_WORD_WRITE
{ CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, },
#endif
{ 0, 0, NULL, NULL }
};
static struct cfi_fixup jedec_fixup_table[] = {
-diff -x .git -Nur linux-2.6.22.1/drivers/net/Kconfig linux-avr32.git/drivers/net/Kconfig
---- linux-2.6.22.1/drivers/net/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/net/Kconfig 2007-07-12 14:00:03.000000000 +0200
-@@ -314,7 +314,7 @@
- config MACB
- tristate "Atmel MACB support"
- depends on NET_ETHERNET && (AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263)
-- select MII
-+ select PHYLIB
- help
- The Atmel MACB ethernet interface is found on many AT32 and AT91
- parts. Say Y to include support for the MACB chip.
-diff -x .git -Nur linux-2.6.22.1/drivers/net/macb.c linux-avr32.git/drivers/net/macb.c
---- linux-2.6.22.1/drivers/net/macb.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/net/macb.c 2007-07-13 11:24:16.000000000 +0200
-@@ -17,13 +17,14 @@
- #include <linux/init.h>
- #include <linux/netdevice.h>
- #include <linux/etherdevice.h>
--#include <linux/mii.h>
--#include <linux/mutex.h>
- #include <linux/dma-mapping.h>
--#include <linux/ethtool.h>
- #include <linux/platform_device.h>
-+#include <linux/phy.h>
-
- #include <asm/arch/board.h>
-+#if defined(CONFIG_ARCH_AT91)
-+#include <asm/arch/cpu.h>
-+#endif
-
- #include "macb.h"
-
-@@ -85,172 +86,202 @@
- memcpy(bp->dev->dev_addr, addr, sizeof(addr));
- }
-
--static void macb_enable_mdio(struct macb *bp)
--{
-- unsigned long flags;
-- u32 reg;
--
-- spin_lock_irqsave(&bp->lock, flags);
-- reg = macb_readl(bp, NCR);
-- reg |= MACB_BIT(MPE);
-- macb_writel(bp, NCR, reg);
-- macb_writel(bp, IER, MACB_BIT(MFD));
-- spin_unlock_irqrestore(&bp->lock, flags);
--}
--
--static void macb_disable_mdio(struct macb *bp)
-+static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
- {
-- unsigned long flags;
-- u32 reg;
--
-- spin_lock_irqsave(&bp->lock, flags);
-- reg = macb_readl(bp, NCR);
-- reg &= ~MACB_BIT(MPE);
-- macb_writel(bp, NCR, reg);
-- macb_writel(bp, IDR, MACB_BIT(MFD));
-- spin_unlock_irqrestore(&bp->lock, flags);
--}
--
--static int macb_mdio_read(struct net_device *dev, int phy_id, int location)
--{
-- struct macb *bp = netdev_priv(dev);
-+ struct macb *bp = bus->priv;
- int value;
-
-- mutex_lock(&bp->mdio_mutex);
--
-- macb_enable_mdio(bp);
- macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF)
- | MACB_BF(RW, MACB_MAN_READ)
-- | MACB_BF(PHYA, phy_id)
-- | MACB_BF(REGA, location)
-+ | MACB_BF(PHYA, mii_id)
-+ | MACB_BF(REGA, regnum)
- | MACB_BF(CODE, MACB_MAN_CODE)));
-
-- wait_for_completion(&bp->mdio_complete);
-+ /* wait for end of transfer */
-+ while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR)))
-+ cpu_relax();
-
- value = MACB_BFEXT(DATA, macb_readl(bp, MAN));
-- macb_disable_mdio(bp);
-- mutex_unlock(&bp->mdio_mutex);
-
- return value;
- }
-
--static void macb_mdio_write(struct net_device *dev, int phy_id,
-- int location, int val)
-+static int macb_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
-+ u16 value)
- {
-- struct macb *bp = netdev_priv(dev);
--
-- dev_dbg(&bp->pdev->dev, "mdio_write %02x:%02x <- %04x\n",
-- phy_id, location, val);
--
-- mutex_lock(&bp->mdio_mutex);
-- macb_enable_mdio(bp);
-+ struct macb *bp = bus->priv;
-
- macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF)
- | MACB_BF(RW, MACB_MAN_WRITE)
-- | MACB_BF(PHYA, phy_id)
-- | MACB_BF(REGA, location)
-+ | MACB_BF(PHYA, mii_id)
-+ | MACB_BF(REGA, regnum)
- | MACB_BF(CODE, MACB_MAN_CODE)
-- | MACB_BF(DATA, val)));
-+ | MACB_BF(DATA, value)));
-
-- wait_for_completion(&bp->mdio_complete);
-+ /* wait for end of transfer */
-+ while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR)))
-+ cpu_relax();
-
-- macb_disable_mdio(bp);
-- mutex_unlock(&bp->mdio_mutex);
-+ return 0;
- }
-
--static int macb_phy_probe(struct macb *bp)
-+static int macb_mdio_reset(struct mii_bus *bus)
- {
-- int phy_address;
-- u16 phyid1, phyid2;
-+ return 0;
-+}
+diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
+index b046974..bc90604 100644
+--- a/drivers/spi/atmel_spi.c
++++ b/drivers/spi/atmel_spi.c
+@@ -491,8 +491,8 @@ static int atmel_spi_setup(struct spi_device *spi)
+ csr |= SPI_BIT(NCPHA);
-- for (phy_address = 0; phy_address < 32; phy_address++) {
-- phyid1 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID1);
-- phyid2 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID2);
-+static void macb_handle_link_change(struct net_device *dev)
-+{
-+ struct macb *bp = netdev_priv(dev);
-+ struct phy_device *phydev = bp->phy_dev;
-+ unsigned long flags;
+ /* TODO: DLYBS and DLYBCT */
+- csr |= SPI_BF(DLYBS, 10);
+- csr |= SPI_BF(DLYBCT, 10);
++ csr |= SPI_BF(DLYBS, 0);
++ csr |= SPI_BF(DLYBCT, 0);
-- if (phyid1 != 0xffff && phyid1 != 0x0000
-- && phyid2 != 0xffff && phyid2 != 0x0000)
-- break;
-+ int status_change = 0;
-+
-+ spin_lock_irqsave(&bp->lock, flags);
-+
-+ if (phydev->link) {
-+ if ((bp->speed != phydev->speed) ||
-+ (bp->duplex != phydev->duplex)) {
-+ u32 reg;
-+
-+ reg = macb_readl(bp, NCFGR);
-+ reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
-+
-+ if (phydev->duplex)
-+ reg |= MACB_BIT(FD);
-+ if (phydev->speed)
-+ reg |= MACB_BIT(SPD);
-+
-+ macb_writel(bp, NCFGR, reg);
+ /* chipselect must have been muxed as GPIO (e.g. in board setup) */
+ npcs_pin = (unsigned int)spi->controller_data;
+diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
+index 767aed5..f81d08d 100644
+--- a/drivers/usb/gadget/Kconfig
++++ b/drivers/usb/gadget/Kconfig
+@@ -67,6 +67,17 @@ config USB_GADGET_DEBUG_FILES
+ driver on a new board. Enable these files by choosing "Y"
+ here. If in doubt, or to conserve kernel memory, say "N".
+
++config USB_GADGET_DEBUG_FS
++ boolean "Debugging information files in debugfs"
++ depends on USB_GADGET && DEBUG_FS
++ help
++ Some of the drivers in the "gadget" framework can expose
++ debugging information in files under /sys/kernel/debug/.
++ The information in these files may help when you're
++ troubleshooting or bringing up a driver on a new board.
++ Enable these files by choosing "Y" here. If in doubt, or
++ to conserve kernel memory, say "N".
+
-+ bp->speed = phydev->speed;
-+ bp->duplex = phydev->duplex;
-+ status_change = 1;
-+ }
- }
-
-- if (phy_address == 32)
-- return -ENODEV;
-+ if (phydev->link != bp->link) {
-+ if (phydev->link)
-+ netif_schedule(dev);
-+ else {
-+ bp->speed = 0;
-+ bp->duplex = -1;
-+ }
-+ bp->link = phydev->link;
+ config USB_GADGET_SELECTED
+ boolean
-- dev_info(&bp->pdev->dev,
-- "detected PHY at address %d (ID %04x:%04x)\n",
-- phy_address, phyid1, phyid2);
-+ status_change = 1;
-+ }
+@@ -103,6 +114,20 @@ config USB_AMD5536UDC
+ default USB_GADGET
+ select USB_GADGET_SELECTED
-- bp->mii.phy_id = phy_address;
-- return 0;
-+ spin_unlock_irqrestore(&bp->lock, flags);
++config USB_GADGET_ATMEL_USBA
++ boolean "Atmel USBA"
++ select USB_GADGET_DUALSPEED
++ depends on AVR32
++ help
++ USBA is the integrated high-speed USB Device controller on
++ the AT32AP700x processors from Atmel.
+
-+ if (status_change) {
-+ if (phydev->link)
-+ printk(KERN_INFO "%s: link up (%d/%s)\n",
-+ dev->name, phydev->speed,
-+ DUPLEX_FULL == phydev->duplex ? "Full":"Half");
-+ else
-+ printk(KERN_INFO "%s: link down\n", dev->name);
-+ }
- }
++config USB_ATMEL_USBA
++ tristate
++ depends on USB_GADGET_ATMEL_USBA
++ default USB_GADGET
++ select USB_GADGET_SELECTED
++
+ config USB_GADGET_FSL_USB2
+ boolean "Freescale Highspeed USB DR Peripheral Controller"
+ depends on MPC834x || PPC_MPC831x
+@@ -228,7 +253,6 @@ config USB_LH7A40X
+ default USB_GADGET
+ select USB_GADGET_SELECTED
--static void macb_set_media(struct macb *bp, int media)
-+/* based on au1000_eth. c*/
-+static int macb_mii_probe(struct net_device *dev)
- {
-- u32 reg;
-+ struct macb *bp = netdev_priv(dev);
-+ struct phy_device *phydev = NULL;
-+ struct eth_platform_data *pdata;
-+ int phy_addr;
-
-- spin_lock_irq(&bp->lock);
-- reg = macb_readl(bp, NCFGR);
-- reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
-- if (media & (ADVERTISE_100HALF | ADVERTISE_100FULL))
-- reg |= MACB_BIT(SPD);
-- if (media & ADVERTISE_FULL)
-- reg |= MACB_BIT(FD);
-- macb_writel(bp, NCFGR, reg);
-- spin_unlock_irq(&bp->lock);
-+ /* find the first phy */
-+ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
-+ if (bp->mii_bus.phy_map[phy_addr]) {
-+ phydev = bp->mii_bus.phy_map[phy_addr];
-+ break;
-+ }
-+ }
+-
+ config USB_GADGET_OMAP
+ boolean "OMAP USB Device Controller"
+ depends on ARCH_OMAP
+diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
+index 1bc0f03..904e57b 100644
+--- a/drivers/usb/gadget/Makefile
++++ b/drivers/usb/gadget/Makefile
+@@ -14,6 +14,7 @@ obj-$(CONFIG_USB_OMAP) += omap_udc.o
+ obj-$(CONFIG_USB_LH7A40X) += lh7a40x_udc.o
+ obj-$(CONFIG_USB_S3C2410) += s3c2410_udc.o
+ obj-$(CONFIG_USB_AT91) += at91_udc.o
++obj-$(CONFIG_USB_ATMEL_USBA) += atmel_usba_udc.o
+ obj-$(CONFIG_USB_FSL_USB2) += fsl_usb2_udc.o
+ obj-$(CONFIG_USB_M66592) += m66592-udc.o
+
+diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
+new file mode 100644
+index 0000000..e35362d
+--- /dev/null
++++ b/drivers/usb/gadget/atmel_usba_udc.c
+@@ -0,0 +1,2038 @@
++/*
++ * Driver for the Atmel USBA high speed USB device controller
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <linux/clk.h>
++#include <linux/module.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/io.h>
++#include <linux/device.h>
++#include <linux/dma-mapping.h>
++#include <linux/list.h>
++#include <linux/platform_device.h>
++#include <linux/usb/ch9.h>
++#include <linux/usb_gadget.h>
++#include <linux/delay.h>
+
-+ if (!phydev) {
-+ printk (KERN_ERR "%s: no PHY found\n", dev->name);
-+ return -1;
-+ }
++#include <asm/gpio.h>
++#include <asm/arch/board.h>
+
-+ pdata = bp->pdev->dev.platform_data;
-+ /* TODO : add pin_irq */
++#include "atmel_usba_udc.h"
+
-+ /* attach the mac to the phy */
-+ if (pdata && pdata->is_rmii) {
-+ phydev = phy_connect(dev, phydev->dev.bus_id,
-+ &macb_handle_link_change, 0, PHY_INTERFACE_MODE_RMII);
-+ } else {
-+ phydev = phy_connect(dev, phydev->dev.bus_id,
-+ &macb_handle_link_change, 0, PHY_INTERFACE_MODE_MII);
-+ }
+
-+ if (IS_ERR(phydev)) {
-+ printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
-+ return PTR_ERR(phydev);
-+ }
++static struct usba_udc the_udc;
+
-+ /* mask with MAC supported features */
-+ phydev->supported &= PHY_BASIC_FEATURES;
++#ifdef CONFIG_USB_GADGET_DEBUG_FS
++#include <linux/debugfs.h>
++#include <linux/uaccess.h>
+
-+ phydev->advertising = phydev->supported;
++static int queue_dbg_open(struct inode *inode, struct file *file)
++{
++ struct usba_ep *ep = inode->i_private;
++ struct usba_request *req, *req_copy;
++ struct list_head *queue_data;
+
-+ bp->link = 0;
-+ bp->speed = 0;
-+ bp->duplex = -1;
-+ bp->phy_dev = phydev;
++ queue_data = kmalloc(sizeof(*queue_data), GFP_KERNEL);
++ if (!queue_data)
++ return -ENOMEM;
++ INIT_LIST_HEAD(queue_data);
+
-+ return 0;
- }
-
--static void macb_check_media(struct macb *bp, int ok_to_print, int init_media)
-+static int macb_mii_init(struct macb *bp)
- {
-- struct mii_if_info *mii = &bp->mii;
-- unsigned int old_carrier, new_carrier;
-- int advertise, lpa, media, duplex;
-+ struct eth_platform_data *pdata;
-+ int err = -ENXIO, i;
-
-- /* if forced media, go no further */
-- if (mii->force_media)
-- return;
-+ /* Enable managment port */
-+ macb_writel(bp, NCR, MACB_BIT(MPE));
-
-- /* check current and old link status */
-- old_carrier = netif_carrier_ok(mii->dev) ? 1 : 0;
-- new_carrier = (unsigned int) mii_link_ok(mii);
-+ bp->mii_bus.name = "MACB_mii_bus",
-+ bp->mii_bus.read = &macb_mdio_read,
-+ bp->mii_bus.write = &macb_mdio_write,
-+ bp->mii_bus.reset = &macb_mdio_reset,
-+ bp->mii_bus.id = bp->pdev->id,
-+ bp->mii_bus.priv = bp,
-+ bp->mii_bus.dev = &bp->dev->dev;
-+ pdata = bp->pdev->dev.platform_data;
-
-- /* if carrier state did not change, assume nothing else did */
-- if (!init_media && old_carrier == new_carrier)
-- return;
-+ if (pdata)
-+ bp->mii_bus.phy_mask = pdata->phy_mask;
-
-- /* no carrier, nothing much to do */
-- if (!new_carrier) {
-- netif_carrier_off(mii->dev);
-- printk(KERN_INFO "%s: link down\n", mii->dev->name);
-- return;
-+ bp->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
-+ if (!bp->mii_bus.irq) {
-+ err = -ENOMEM;
-+ goto err_out;
- }
-
-- /*
-- * we have carrier, see who's on the other end
-- */
-- netif_carrier_on(mii->dev);
-+ for (i = 0; i < PHY_MAX_ADDR; i++)
-+ bp->mii_bus.irq[i] = PHY_POLL;
-
-- /* get MII advertise and LPA values */
-- if (!init_media && mii->advertising) {
-- advertise = mii->advertising;
-- } else {
-- advertise = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE);
-- mii->advertising = advertise;
-- }
-- lpa = mii->mdio_read(mii->dev, mii->phy_id, MII_LPA);
-+ platform_set_drvdata(bp->dev, &bp->mii_bus);
-
-- /* figure out media and duplex from advertise and LPA values */
-- media = mii_nway_result(lpa & advertise);
-- duplex = (media & ADVERTISE_FULL) ? 1 : 0;
-+ if (mdiobus_register(&bp->mii_bus))
-+ goto err_out_free_mdio_irq;
-
-- if (ok_to_print)
-- printk(KERN_INFO "%s: link up, %sMbps, %s-duplex, lpa 0x%04X\n",
-- mii->dev->name,
-- media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? "100" : "10",
-- duplex ? "full" : "half", lpa);
-+ if (macb_mii_probe(bp->dev) != 0) {
-+ goto err_out_unregister_bus;
++ spin_lock_irq(&ep->udc->lock);
++ list_for_each_entry(req, &ep->queue, queue) {
++ req_copy = kmalloc(sizeof(*req_copy), GFP_ATOMIC);
++ if (!req_copy)
++ goto fail;
++ memcpy(req_copy, req, sizeof(*req_copy));
++ list_add_tail(&req_copy->queue, queue_data);
+ }
-
-- mii->full_duplex = duplex;
++ spin_unlock_irq(&ep->udc->lock);
++
++ file->private_data = queue_data;
+ return 0;
-
-- /* Let the MAC know about the new link state */
-- macb_set_media(bp, media);
-+err_out_unregister_bus:
-+ mdiobus_unregister(&bp->mii_bus);
-+err_out_free_mdio_irq:
-+ kfree(bp->mii_bus.irq);
-+err_out:
-+ return err;
- }
-
- static void macb_update_stats(struct macb *bp)
-@@ -265,16 +296,6 @@
- *p += __raw_readl(reg);
- }
-
--static void macb_periodic_task(struct work_struct *work)
--{
-- struct macb *bp = container_of(work, struct macb, periodic_task.work);
--
-- macb_update_stats(bp);
-- macb_check_media(bp, 1, 0);
--
-- schedule_delayed_work(&bp->periodic_task, HZ);
--}
--
- static void macb_tx(struct macb *bp)
- {
- unsigned int tail;
-@@ -519,9 +540,6 @@
- spin_lock(&bp->lock);
-
- while (status) {
-- if (status & MACB_BIT(MFD))
-- complete(&bp->mdio_complete);
--
- /* close possible race with dev_close */
- if (unlikely(!netif_running(dev))) {
- macb_writel(bp, IDR, ~0UL);
-@@ -535,7 +553,8 @@
- * until we have processed the buffers
- */
- macb_writel(bp, IDR, MACB_RX_INT_FLAGS);
-- dev_dbg(&bp->pdev->dev, "scheduling RX softirq\n");
-+ dev_dbg(&bp->pdev->dev,
-+ "scheduling RX softirq\n");
- __netif_rx_schedule(dev);
- }
- }
-@@ -765,7 +784,7 @@
- macb_writel(bp, TBQP, bp->tx_ring_dma);
-
- /* Enable TX and RX */
-- macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE));
-+ macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE) | MACB_BIT(MPE));
-
- /* Enable interrupts */
- macb_writel(bp, IER, (MACB_BIT(RCOMP)
-@@ -776,18 +795,126 @@
- | MACB_BIT(TCOMP)
- | MACB_BIT(ISR_ROVR)
- | MACB_BIT(HRESP)));
+
++fail:
++ spin_unlock_irq(&ep->udc->lock);
++ list_for_each_entry_safe(req, req_copy, queue_data, queue) {
++ list_del(&req->queue);
++ kfree(req);
++ }
++ kfree(queue_data);
++ return -ENOMEM;
+}
+
+/*
-+ * The hash address register is 64 bits long and takes up two
-+ * locations in the memory map. The least significant bits are stored
-+ * in EMAC_HSL and the most significant bits in EMAC_HSH.
-+ *
-+ * The unicast hash enable and the multicast hash enable bits in the
-+ * network configuration register enable the reception of hash matched
-+ * frames. The destination address is reduced to a 6 bit index into
-+ * the 64 bit hash register using the following hash function. The
-+ * hash function is an exclusive or of every sixth bit of the
-+ * destination address.
-+ *
-+ * hi[5] = da[5] ^ da[11] ^ da[17] ^ da[23] ^ da[29] ^ da[35] ^ da[41] ^ da[47]
-+ * hi[4] = da[4] ^ da[10] ^ da[16] ^ da[22] ^ da[28] ^ da[34] ^ da[40] ^ da[46]
-+ * hi[3] = da[3] ^ da[09] ^ da[15] ^ da[21] ^ da[27] ^ da[33] ^ da[39] ^ da[45]
-+ * hi[2] = da[2] ^ da[08] ^ da[14] ^ da[20] ^ da[26] ^ da[32] ^ da[38] ^ da[44]
-+ * hi[1] = da[1] ^ da[07] ^ da[13] ^ da[19] ^ da[25] ^ da[31] ^ da[37] ^ da[43]
-+ * hi[0] = da[0] ^ da[06] ^ da[12] ^ da[18] ^ da[24] ^ da[30] ^ da[36] ^ da[42]
++ * bbbbbbbb llllllll IZS sssss nnnn FDL\n\0
+ *
-+ * da[0] represents the least significant bit of the first byte
-+ * received, that is, the multicast/unicast indicator, and da[47]
-+ * represents the most significant bit of the last byte received. If
-+ * the hash index, hi[n], points to a bit that is set in the hash
-+ * register then the frame will be matched according to whether the
-+ * frame is multicast or unicast. A multicast match will be signalled
-+ * if the multicast hash enable bit is set, da[0] is 1 and the hash
-+ * index points to a bit set in the hash register. A unicast match
-+ * will be signalled if the unicast hash enable bit is set, da[0] is 0
-+ * and the hash index points to a bit set in the hash register. To
-+ * receive all multicast frames, the hash register should be set with
-+ * all ones and the multicast hash enable bit should be set in the
-+ * network configuration register.
-+ */
-+
-+static inline int hash_bit_value(int bitnr, __u8 *addr)
-+{
-+ if (addr[bitnr / 8] & (1 << (bitnr % 8)))
-+ return 1;
-+ return 0;
-+}
-+
-+/*
-+ * Return the hash index value for the specified address.
++ * b: buffer address
++ * l: buffer length
++ * I/i: interrupt/no interrupt
++ * Z/z: zero/no zero
++ * S/s: short ok/short not ok
++ * s: status
++ * n: nr_packets
++ * F/f: submitted/not submitted to FIFO
++ * D/d: using/not using DMA
++ * L/l: last transaction/not last transaction
+ */
-+static int hash_get_index(__u8 *addr)
++static ssize_t queue_dbg_read(struct file *file, char __user *buf,
++ size_t nbytes, loff_t *ppos)
+{
-+ int i, j, bitval;
-+ int hash_index = 0;
++ struct list_head *queue = file->private_data;
++ struct usba_request *req, *tmp_req;
++ size_t len, remaining, actual = 0;
++ char tmpbuf[38];
+
-+ for (j = 0; j < 6; j++) {
-+ for (i = 0, bitval = 0; i < 8; i++)
-+ bitval ^= hash_bit_value(i*6 + j, addr);
++ if (!access_ok(VERIFY_WRITE, buf, nbytes))
++ return -EFAULT;
+
-+ hash_index |= (bitval << j);
-+ }
++ mutex_lock(&file->f_dentry->d_inode->i_mutex);
++ list_for_each_entry_safe(req, tmp_req, queue, queue) {
++ len = snprintf(tmpbuf, sizeof(tmpbuf),
++ "%8p %08x %c%c%c %5d %c%c%c\n",
++ req->req.buf, req->req.length,
++ req->req.no_interrupt ? 'i' : 'I',
++ req->req.zero ? 'Z' : 'z',
++ req->req.short_not_ok ? 's' : 'S',
++ req->req.status,
++ req->submitted ? 'F' : 'f',
++ req->using_dma ? 'D' : 'd',
++ req->last_transaction ? 'L' : 'l');
++ len = min(len, sizeof(tmpbuf));
++ if (len > nbytes)
++ break;
+
-+ return hash_index;
- }
-
--static void macb_init_phy(struct net_device *dev)
-+/*
-+ * Add multicast addresses to the internal multicast-hash table.
-+ */
-+static void macb_sethashtable(struct net_device *dev)
- {
-+ struct dev_mc_list *curr;
-+ unsigned long mc_filter[2];
-+ unsigned int i, bitnr;
- struct macb *bp = netdev_priv(dev);
-
-- /* Set some reasonable default settings */
-- macb_mdio_write(dev, bp->mii.phy_id, MII_ADVERTISE,
-- ADVERTISE_CSMA | ADVERTISE_ALL);
-- macb_mdio_write(dev, bp->mii.phy_id, MII_BMCR,
-- (BMCR_SPEED100 | BMCR_ANENABLE
-- | BMCR_ANRESTART | BMCR_FULLDPLX));
-+ mc_filter[0] = mc_filter[1] = 0;
++ list_del(&req->queue);
++ kfree(req);
+
-+ curr = dev->mc_list;
-+ for (i = 0; i < dev->mc_count; i++, curr = curr->next) {
-+ if (!curr) break; /* unexpected end of list */
++ remaining = __copy_to_user(buf, tmpbuf, len);
++ actual += len - remaining;
++ if (remaining)
++ break;
+
-+ bitnr = hash_get_index(curr->dmi_addr);
-+ mc_filter[bitnr >> 5] |= 1 << (bitnr & 31);
++ nbytes -= len;
++ buf += len;
+ }
++ mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+
-+ macb_writel(bp, HRB, mc_filter[0]);
-+ macb_writel(bp, HRT, mc_filter[1]);
++ return actual;
+}
+
-+/*
-+ * Enable/Disable promiscuous and multicast modes.
-+ */
-+static void macb_set_rx_mode(struct net_device *dev)
-+{
-+ unsigned long cfg;
-+ struct macb *bp = netdev_priv(dev);
-+
-+ cfg = macb_readl(bp, NCFGR);
-+
-+ if (dev->flags & IFF_PROMISC)
-+ /* Enable promiscuous mode */
-+ cfg |= MACB_BIT(CAF);
-+ else if (dev->flags & (~IFF_PROMISC))
-+ /* Disable promiscuous mode */
-+ cfg &= ~MACB_BIT(CAF);
-+
-+ if (dev->flags & IFF_ALLMULTI) {
-+ /* Enable all multicast mode */
-+ macb_writel(bp, HRB, -1);
-+ macb_writel(bp, HRT, -1);
-+ cfg |= MACB_BIT(NCFGR_MTI);
-+ } else if (dev->mc_count > 0) {
-+ /* Enable specific multicasts */
-+ macb_sethashtable(dev);
-+ cfg |= MACB_BIT(NCFGR_MTI);
-+ } else if (dev->flags & (~IFF_ALLMULTI)) {
-+ /* Disable all multicast mode */
-+ macb_writel(bp, HRB, 0);
-+ macb_writel(bp, HRT, 0);
-+ cfg &= ~MACB_BIT(NCFGR_MTI);
-+ }
-+
-+ macb_writel(bp, NCFGR, cfg);
- }
-
- static int macb_open(struct net_device *dev)
-@@ -797,6 +924,10 @@
-
- dev_dbg(&bp->pdev->dev, "open\n");
-
-+ /* if the phy is not yet register, retry later*/
-+ if (!bp->phy_dev)
-+ return -EAGAIN;
-+
- if (!is_valid_ether_addr(dev->dev_addr))
- return -EADDRNOTAVAIL;
-
-@@ -810,12 +941,11 @@
-
- macb_init_rings(bp);
- macb_init_hw(bp);
-- macb_init_phy(dev);
-
-- macb_check_media(bp, 1, 1);
-- netif_start_queue(dev);
-+ /* schedule a link state check */
-+ phy_start(bp->phy_dev);
-
-- schedule_delayed_work(&bp->periodic_task, HZ);
-+ netif_start_queue(dev);
-
- return 0;
- }
-@@ -825,10 +955,11 @@
- struct macb *bp = netdev_priv(dev);
- unsigned long flags;
-
-- cancel_rearming_delayed_work(&bp->periodic_task);
--
- netif_stop_queue(dev);
-
-+ if (bp->phy_dev)
-+ phy_stop(bp->phy_dev);
-+
- spin_lock_irqsave(&bp->lock, flags);
- macb_reset_hw(bp);
- netif_carrier_off(dev);
-@@ -845,6 +976,9 @@
- struct net_device_stats *nstat = &bp->stats;
- struct macb_stats *hwstat = &bp->hw_stats;
-
-+ /* read stats from hardware */
-+ macb_update_stats(bp);
-+
- /* Convert HW stats into netdevice stats */
- nstat->rx_errors = (hwstat->rx_fcs_errors +
- hwstat->rx_align_errors +
-@@ -882,18 +1016,27 @@
- static int macb_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
- {
- struct macb *bp = netdev_priv(dev);
-+ struct phy_device *phydev = bp->phy_dev;
-+
-+ if (!phydev)
-+ return -ENODEV;
-
-- return mii_ethtool_gset(&bp->mii, cmd);
-+ return phy_ethtool_gset(phydev, cmd);
- }
-
- static int macb_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
- {
- struct macb *bp = netdev_priv(dev);
-+ struct phy_device *phydev = bp->phy_dev;
-+
-+ if (!phydev)
-+ return -ENODEV;
-
-- return mii_ethtool_sset(&bp->mii, cmd);
-+ return phy_ethtool_sset(phydev, cmd);
- }
-
--static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
-+static void macb_get_drvinfo(struct net_device *dev,
-+ struct ethtool_drvinfo *info)
- {
- struct macb *bp = netdev_priv(dev);
-
-@@ -902,104 +1045,34 @@
- strcpy(info->bus_info, bp->pdev->dev.bus_id);
- }
-
--static int macb_nway_reset(struct net_device *dev)
--{
-- struct macb *bp = netdev_priv(dev);
-- return mii_nway_restart(&bp->mii);
--}
--
- static struct ethtool_ops macb_ethtool_ops = {
- .get_settings = macb_get_settings,
- .set_settings = macb_set_settings,
- .get_drvinfo = macb_get_drvinfo,
-- .nway_reset = macb_nway_reset,
- .get_link = ethtool_op_get_link,
- };
-
- static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
- {
- struct macb *bp = netdev_priv(dev);
-+ struct phy_device *phydev = bp->phy_dev;
-
- if (!netif_running(dev))
- return -EINVAL;
-
-- return generic_mii_ioctl(&bp->mii, if_mii(rq), cmd, NULL);
--}
--
--static ssize_t macb_mii_show(const struct device *_dev, char *buf,
-- unsigned long addr)
--{
-- struct net_device *dev = to_net_dev(_dev);
-- struct macb *bp = netdev_priv(dev);
-- ssize_t ret = -EINVAL;
--
-- if (netif_running(dev)) {
-- int value;
-- value = macb_mdio_read(dev, bp->mii.phy_id, addr);
-- ret = sprintf(buf, "0x%04x\n", (uint16_t)value);
-- }
--
-- return ret;
--}
--
--#define MII_ENTRY(name, addr) \
--static ssize_t show_##name(struct device *_dev, \
-- struct device_attribute *attr, \
-- char *buf) \
--{ \
-- return macb_mii_show(_dev, buf, addr); \
--} \
--static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
--
--MII_ENTRY(bmcr, MII_BMCR);
--MII_ENTRY(bmsr, MII_BMSR);
--MII_ENTRY(physid1, MII_PHYSID1);
--MII_ENTRY(physid2, MII_PHYSID2);
--MII_ENTRY(advertise, MII_ADVERTISE);
--MII_ENTRY(lpa, MII_LPA);
--MII_ENTRY(expansion, MII_EXPANSION);
--
--static struct attribute *macb_mii_attrs[] = {
-- &dev_attr_bmcr.attr,
-- &dev_attr_bmsr.attr,
-- &dev_attr_physid1.attr,
-- &dev_attr_physid2.attr,
-- &dev_attr_advertise.attr,
-- &dev_attr_lpa.attr,
-- &dev_attr_expansion.attr,
-- NULL,
--};
--
--static struct attribute_group macb_mii_group = {
-- .name = "mii",
-- .attrs = macb_mii_attrs,
--};
--
--static void macb_unregister_sysfs(struct net_device *net)
--{
-- struct device *_dev = &net->dev;
-+ if (!phydev)
-+ return -ENODEV;
-
-- sysfs_remove_group(&_dev->kobj, &macb_mii_group);
-+ return phy_mii_ioctl(phydev, if_mii(rq), cmd);
- }
-
--static int macb_register_sysfs(struct net_device *net)
--{
-- struct device *_dev = &net->dev;
-- int ret;
--
-- ret = sysfs_create_group(&_dev->kobj, &macb_mii_group);
-- if (ret)
-- printk(KERN_WARNING
-- "%s: sysfs mii attribute registration failed: %d\n",
-- net->name, ret);
-- return ret;
--}
- static int __devinit macb_probe(struct platform_device *pdev)
- {
- struct eth_platform_data *pdata;
- struct resource *regs;
- struct net_device *dev;
- struct macb *bp;
-+ struct phy_device *phydev;
- unsigned long pclk_hz;
- u32 config;
- int err = -ENXIO;
-@@ -1073,6 +1146,7 @@
- dev->stop = macb_close;
- dev->hard_start_xmit = macb_start_xmit;
- dev->get_stats = macb_get_stats;
-+ dev->set_multicast_list = macb_set_rx_mode;
- dev->do_ioctl = macb_ioctl;
- dev->poll = macb_poll;
- dev->weight = 64;
-@@ -1080,10 +1154,6 @@
-
- dev->base_addr = regs->start;
-
-- INIT_DELAYED_WORK(&bp->periodic_task, macb_periodic_task);
-- mutex_init(&bp->mdio_mutex);
-- init_completion(&bp->mdio_complete);
--
- /* Set MII management clock divider */
- pclk_hz = clk_get_rate(bp->pclk);
- if (pclk_hz <= 20000000)
-@@ -1096,20 +1166,9 @@
- config = MACB_BF(CLK, MACB_CLK_DIV64);
- macb_writel(bp, NCFGR, config);
-
-- bp->mii.dev = dev;
-- bp->mii.mdio_read = macb_mdio_read;
-- bp->mii.mdio_write = macb_mdio_write;
-- bp->mii.phy_id_mask = 0x1f;
-- bp->mii.reg_num_mask = 0x1f;
--
- macb_get_hwaddr(bp);
-- err = macb_phy_probe(bp);
-- if (err) {
-- dev_err(&pdev->dev, "Failed to detect PHY, aborting.\n");
-- goto err_out_free_irq;
-- }
--
- pdata = pdev->dev.platform_data;
++static int queue_dbg_release(struct inode *inode, struct file *file)
++{
++ struct list_head *queue_data = file->private_data;
++ struct usba_request *req, *tmp_req;
+
- if (pdata && pdata->is_rmii)
- #if defined(CONFIG_ARCH_AT91)
- macb_writel(bp, USRIO, (MACB_BIT(RMII) | MACB_BIT(CLKEN)) );
-@@ -1131,9 +1190,11 @@
- goto err_out_free_irq;
- }
-
-- platform_set_drvdata(pdev, dev);
-+ if (macb_mii_init(bp) != 0) {
-+ goto err_out_unregister_netdev;
++ list_for_each_entry_safe(req, tmp_req, queue_data, queue) {
++ list_del(&req->queue);
++ kfree(req);
+ }
-
-- macb_register_sysfs(dev);
-+ platform_set_drvdata(pdev, dev);
-
- printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d "
- "(%02x:%02x:%02x:%02x:%02x:%02x)\n",
-@@ -1141,8 +1202,15 @@
- dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
- dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
-
-+ phydev = bp->phy_dev;
-+ printk(KERN_INFO "%s: attached PHY driver [%s] "
-+ "(mii_bus:phy_addr=%s, irq=%d)\n",
-+ dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq);
-+
- return 0;
-
-+err_out_unregister_netdev:
-+ unregister_netdev(dev);
- err_out_free_irq:
- free_irq(dev->irq, dev);
- err_out_iounmap:
-@@ -1153,7 +1221,9 @@
- clk_put(bp->hclk);
- #endif
- clk_disable(bp->pclk);
-+#ifndef CONFIG_ARCH_AT91
- err_out_put_pclk:
-+#endif
- clk_put(bp->pclk);
- err_out_free_dev:
- free_netdev(dev);
-@@ -1171,7 +1241,8 @@
-
- if (dev) {
- bp = netdev_priv(dev);
-- macb_unregister_sysfs(dev);
-+ mdiobus_unregister(&bp->mii_bus);
-+ kfree(bp->mii_bus.irq);
- unregister_netdev(dev);
- free_irq(dev->irq, dev);
- iounmap(bp->regs);
-diff -x .git -Nur linux-2.6.22.1/drivers/net/macb.h linux-avr32.git/drivers/net/macb.h
---- linux-2.6.22.1/drivers/net/macb.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/net/macb.h 2007-07-12 14:00:04.000000000 +0200
-@@ -383,11 +383,11 @@
-
- unsigned int rx_pending, tx_pending;
-
-- struct delayed_work periodic_task;
--
-- struct mutex mdio_mutex;
-- struct completion mdio_complete;
-- struct mii_if_info mii;
-+ struct mii_bus mii_bus;
-+ struct phy_device *phy_dev;
-+ unsigned int link;
-+ unsigned int speed;
-+ unsigned int duplex;
- };
-
- #endif /* _MACB_H */
-diff -x .git -Nur linux-2.6.22.1/drivers/rtc/Kconfig linux-avr32.git/drivers/rtc/Kconfig
---- linux-2.6.22.1/drivers/rtc/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/rtc/Kconfig 2007-07-12 14:00:13.000000000 +0200
-@@ -379,6 +379,13 @@
- To compile this driver as a module, choose M here: the
- module will be called rtc-pl031.
-
-+config RTC_DRV_AT32AP700X
-+ tristate "AT32AP700X series RTC"
-+ depends on RTC_CLASS && PLATFORM_AT32AP
-+ help
-+ Driver for the internal RTC (Realtime Clock) on Atmel AVR32
-+ AT32AP700x family processors.
-+
- config RTC_DRV_AT91RM9200
- tristate "AT91RM9200"
- depends on RTC_CLASS && ARCH_AT91RM9200
-diff -x .git -Nur linux-2.6.22.1/drivers/rtc/Makefile linux-avr32.git/drivers/rtc/Makefile
---- linux-2.6.22.1/drivers/rtc/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/rtc/Makefile 2007-07-12 14:00:13.000000000 +0200
-@@ -19,6 +19,7 @@
- obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o
- obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o
- obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o
-+obj-$(CONFIG_RTC_DRV_AT32AP700X) += rtc-at32ap700x.o
- obj-$(CONFIG_RTC_DRV_DS1307) += rtc-ds1307.o
- obj-$(CONFIG_RTC_DRV_DS1672) += rtc-ds1672.o
- obj-$(CONFIG_RTC_DRV_DS1742) += rtc-ds1742.o
-diff -x .git -Nur linux-2.6.22.1/drivers/rtc/rtc-at32ap700x.c linux-avr32.git/drivers/rtc/rtc-at32ap700x.c
---- linux-2.6.22.1/drivers/rtc/rtc-at32ap700x.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/rtc/rtc-at32ap700x.c 2007-07-12 14:00:13.000000000 +0200
-@@ -0,0 +1,337 @@
-+/*
-+ * An RTC driver for the AVR32 AT32AP700x processor series.
-+ *
-+ * Copyright (C) 2007 Atmel Corporation
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published
-+ * by the Free Software Foundation.
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/kernel.h>
-+#include <linux/platform_device.h>
-+#include <linux/rtc.h>
-+#include <linux/io.h>
++ kfree(queue_data);
++ return 0;
++}
+
-+/*
-+ * This is a bare-bones RTC. It runs during most system sleep states, but has
-+ * no battery backup and gets reset during system restart. It must be
-+ * initialized from an external clock (network, I2C, etc) before it can be of
-+ * much use.
-+ *
-+ * The alarm functionality is limited by the hardware, not supporting
-+ * periodic interrupts.
-+ */
++static int regs_dbg_open(struct inode *inode, struct file *file)
++{
++ struct usba_udc *udc;
++ unsigned int i;
++ u32 *data;
++ int ret = -ENOMEM;
+
-+#define RTC_CTRL 0x00
-+#define RTC_CTRL_EN 0
-+#define RTC_CTRL_PCLR 1
-+#define RTC_CTRL_TOPEN 2
-+#define RTC_CTRL_PSEL 8
++ mutex_lock(&inode->i_mutex);
++ udc = inode->i_private;
++ data = kmalloc(inode->i_size, GFP_KERNEL);
++ if (!data)
++ goto out;
+
-+#define RTC_VAL 0x04
++ spin_lock_irq(&udc->lock);
++ for (i = 0; i < inode->i_size / 4; i++)
++ data[i] = __raw_readl(udc->regs + i * 4);
++ spin_unlock_irq(&udc->lock);
+
-+#define RTC_TOP 0x08
++ file->private_data = data;
++ ret = 0;
+
-+#define RTC_IER 0x10
-+#define RTC_IER_TOPI 0
++out:
++ mutex_unlock(&inode->i_mutex);
+
-+#define RTC_IDR 0x14
-+#define RTC_IDR_TOPI 0
++ return ret;
++}
+
-+#define RTC_IMR 0x18
-+#define RTC_IMR_TOPI 0
++static ssize_t regs_dbg_read(struct file *file, char __user *buf,
++ size_t nbytes, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ int ret;
+
-+#define RTC_ISR 0x1c
-+#define RTC_ISR_TOPI 0
++ mutex_lock(&inode->i_mutex);
++ ret = simple_read_from_buffer(buf, nbytes, ppos,
++ file->private_data,
++ file->f_dentry->d_inode->i_size);
++ mutex_unlock(&inode->i_mutex);
+
-+#define RTC_ICR 0x20
-+#define RTC_ICR_TOPI 0
++ return ret;
++}
+
-+#define RTC_BIT(name) (1 << RTC_##name)
-+#define RTC_BF(name, value) ((value) << RTC_##name)
++static int regs_dbg_release(struct inode *inode, struct file *file)
++{
++ kfree(file->private_data);
++ return 0;
++}
+
-+#define rtc_readl(dev, reg) \
-+ __raw_readl((dev)->regs + RTC_##reg)
-+#define rtc_writel(dev, reg, value) \
-+ __raw_writel((value), (dev)->regs + RTC_##reg)
++const struct file_operations queue_dbg_fops = {
++ .owner = THIS_MODULE,
++ .open = queue_dbg_open,
++ .llseek = no_llseek,
++ .read = queue_dbg_read,
++ .release = queue_dbg_release,
++};
+
-+struct rtc_at32ap700x {
-+ struct rtc_device *rtc;
-+ void __iomem *regs;
-+ unsigned long alarm_time;
-+ unsigned long irq;
-+ /* Protect against concurrent register access. */
-+ spinlock_t lock;
++const struct file_operations regs_dbg_fops = {
++ .owner = THIS_MODULE,
++ .open = regs_dbg_open,
++ .llseek = generic_file_llseek,
++ .read = regs_dbg_read,
++ .release = regs_dbg_release,
+};
+
-+static int at32_rtc_readtime(struct device *dev, struct rtc_time *tm)
++static void usba_ep_init_debugfs(struct usba_udc *udc,
++ struct usba_ep *ep)
+{
-+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
-+ unsigned long now;
++ struct dentry *ep_root;
+
-+ now = rtc_readl(rtc, VAL);
-+ rtc_time_to_tm(now, tm);
++ ep_root = debugfs_create_dir(ep->ep.name, udc->debugfs_root);
++ if (!ep_root)
++ goto err_root;
++ ep->debugfs_dir = ep_root;
+
-+ return 0;
-+}
++ ep->debugfs_queue = debugfs_create_file("queue", 0400, ep_root,
++ ep, &queue_dbg_fops);
++ if (!ep->debugfs_queue)
++ goto err_queue;
+
-+static int at32_rtc_settime(struct device *dev, struct rtc_time *tm)
-+{
-+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
-+ unsigned long now;
-+ int ret;
++ if (ep->can_dma) {
++ ep->debugfs_dma_status
++ = debugfs_create_u32("dma_status", 0400, ep_root,
++ &ep->last_dma_status);
++ if (!ep->debugfs_dma_status)
++ goto err_dma_status;
++ }
++ if (ep_is_control(ep)) {
++ ep->debugfs_state
++ = debugfs_create_u32("state", 0400, ep_root,
++ &ep->state);
++ if (!ep->debugfs_state)
++ goto err_state;
++ }
+
-+ ret = rtc_tm_to_time(tm, &now);
-+ if (ret == 0)
-+ rtc_writel(rtc, VAL, now);
++ return;
+
-+ return ret;
++err_state:
++ if (ep->can_dma)
++ debugfs_remove(ep->debugfs_dma_status);
++err_dma_status:
++ debugfs_remove(ep->debugfs_queue);
++err_queue:
++ debugfs_remove(ep_root);
++err_root:
++ dev_err(&ep->udc->pdev->dev,
++ "failed to create debugfs directory for %s\n", ep->ep.name);
+}
+
-+static int at32_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
++static void usba_ep_cleanup_debugfs(struct usba_ep *ep)
+{
-+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
-+
-+ rtc_time_to_tm(rtc->alarm_time, &alrm->time);
-+ alrm->pending = rtc_readl(rtc, IMR) & RTC_BIT(IMR_TOPI) ? 1 : 0;
-+
-+ return 0;
++ debugfs_remove(ep->debugfs_queue);
++ debugfs_remove(ep->debugfs_dma_status);
++ debugfs_remove(ep->debugfs_state);
++ debugfs_remove(ep->debugfs_dir);
++ ep->debugfs_dma_status = NULL;
++ ep->debugfs_dir = NULL;
+}
+
-+static int at32_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
++static void usba_init_debugfs(struct usba_udc *udc)
+{
-+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
-+ unsigned long rtc_unix_time;
-+ unsigned long alarm_unix_time;
-+ int ret;
++ struct dentry *root, *regs;
++ struct resource *regs_resource;
+
-+ rtc_unix_time = rtc_readl(rtc, VAL);
++ root = debugfs_create_dir(udc->gadget.name, NULL);
++ if (IS_ERR(root) || !root)
++ goto err_root;
++ udc->debugfs_root = root;
+
-+ /* RTC does only support one alarm time, not periodic */
-+ if (alrm->time.tm_mday <= 0) {
-+ struct rtc_time tm;
-+ unsigned long then;
++ regs = debugfs_create_file("regs", 0400, root, udc, ®s_dbg_fops);
++ if (!regs)
++ goto err_regs;
+
-+ rtc_time_to_tm(rtc_unix_time, &tm);
++ regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM,
++ CTRL_IOMEM_ID);
++ regs->d_inode->i_size = regs_resource->end - regs_resource->start + 1;
++ udc->debugfs_regs = regs;
+
-+ alrm->time.tm_mday = tm.tm_mday;
-+ alrm->time.tm_mon = tm.tm_mon;
-+ alrm->time.tm_year = tm.tm_year;
++ usba_ep_init_debugfs(udc, to_usba_ep(udc->gadget.ep0));
+
-+ rtc_tm_to_time(&alrm->time, &then);
++ return;
+
-+ /* check if the alarm wraps into tomorrow */
-+ if (then < rtc_unix_time) {
-+ rtc_time_to_tm(rtc_unix_time + 24 * 60 * 60, &tm);
-+ alrm->time.tm_mday = tm.tm_mday;
-+ alrm->time.tm_mon = tm.tm_mon;
-+ alrm->time.tm_year = tm.tm_year;
-+ }
-+ }
++err_regs:
++ debugfs_remove(root);
++err_root:
++ udc->debugfs_root = NULL;
++ dev_err(&udc->pdev->dev, "debugfs is not available\n");
++}
+
-+ ret = rtc_tm_to_time(&alrm->time, &alarm_unix_time);
-+ if (ret)
-+ return ret;
++static void usba_cleanup_debugfs(struct usba_udc *udc)
++{
++ usba_ep_cleanup_debugfs(to_usba_ep(udc->gadget.ep0));
++ debugfs_remove(udc->debugfs_regs);
++ debugfs_remove(udc->debugfs_root);
++ udc->debugfs_regs = NULL;
++ udc->debugfs_root = NULL;
++}
++#else
++static inline void usba_ep_init_debugfs(struct usba_udc *udc,
++ struct usba_ep *ep)
++{
+
-+ if (alarm_unix_time < rtc_unix_time)
-+ return -EINVAL;
++}
+
-+ spin_lock_irq(&rtc->lock);
-+ rtc->alarm_time = alarm_unix_time;
-+ rtc_writel(rtc, TOP, rtc->alarm_time);
-+ if (alrm->pending)
-+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
-+ | RTC_BIT(CTRL_TOPEN));
-+ else
-+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
-+ & ~RTC_BIT(CTRL_TOPEN));
-+ spin_unlock_irq(&rtc->lock);
++static inline void usba_ep_cleanup_debugfs(struct usba_ep *ep)
++{
+
-+ return ret;
+}
+
-+static int at32_rtc_ioctl(struct device *dev, unsigned int cmd,
-+ unsigned long arg)
++static inline void usba_init_debugfs(struct usba_udc *udc)
+{
-+ struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
-+ int ret = 0;
+
-+ spin_lock_irq(&rtc->lock);
++}
+
-+ switch (cmd) {
-+ case RTC_AIE_ON:
-+ if (rtc_readl(rtc, VAL) > rtc->alarm_time) {
-+ ret = -EINVAL;
-+ break;
-+ }
-+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
-+ | RTC_BIT(CTRL_TOPEN));
-+ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
-+ rtc_writel(rtc, IER, RTC_BIT(IER_TOPI));
-+ break;
-+ case RTC_AIE_OFF:
-+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
-+ & ~RTC_BIT(CTRL_TOPEN));
-+ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
-+ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
-+ break;
-+ default:
-+ ret = -ENOIOCTLCMD;
-+ break;
-+ }
-+
-+ spin_unlock_irq(&rtc->lock);
++static inline void usba_cleanup_debugfs(struct usba_udc *udc)
++{
+
-+ return ret;
+}
++#endif
+
-+static irqreturn_t at32_rtc_interrupt(int irq, void *dev_id)
++static int vbus_is_present(struct usba_udc *udc)
+{
-+ struct rtc_at32ap700x *rtc = (struct rtc_at32ap700x *)dev_id;
-+ unsigned long isr = rtc_readl(rtc, ISR);
-+ unsigned long events = 0;
-+ int ret = IRQ_NONE;
-+
-+ spin_lock(&rtc->lock);
-+
-+ if (isr & RTC_BIT(ISR_TOPI)) {
-+ rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
-+ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
-+ rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
-+ & ~RTC_BIT(CTRL_TOPEN));
-+ rtc_writel(rtc, VAL, rtc->alarm_time);
-+ events = RTC_AF | RTC_IRQF;
-+ rtc_update_irq(rtc->rtc, 1, events);
-+ ret = IRQ_HANDLED;
-+ }
-+
-+ spin_unlock(&rtc->lock);
++ if (udc->vbus_pin != -1)
++ return gpio_get_value(udc->vbus_pin);
+
-+ return ret;
++ /* No Vbus detection: Assume always present */
++ return 1;
+}
+
-+static struct rtc_class_ops at32_rtc_ops = {
-+ .ioctl = at32_rtc_ioctl,
-+ .read_time = at32_rtc_readtime,
-+ .set_time = at32_rtc_settime,
-+ .read_alarm = at32_rtc_readalarm,
-+ .set_alarm = at32_rtc_setalarm,
-+};
-+
-+static int __init at32_rtc_probe(struct platform_device *pdev)
++static void copy_to_fifo(void __iomem *fifo, const void *buf, int len)
+{
-+ struct resource *regs;
-+ struct rtc_at32ap700x *rtc;
-+ int irq = -1;
-+ int ret;
++ unsigned long tmp;
+
-+ rtc = kzalloc(sizeof(struct rtc_at32ap700x), GFP_KERNEL);
-+ if (!rtc) {
-+ dev_dbg(&pdev->dev, "out of memory\n");
-+ return -ENOMEM;
++ DBG(DBG_FIFO, "copy to FIFO (len %d):\n", len);
++ for (; len > 0; len -= 4, buf += 4, fifo += 4) {
++ tmp = *(unsigned long *)buf;
++ if (len >= 4) {
++ DBG(DBG_FIFO, " -> %08lx\n", tmp);
++ __raw_writel(tmp, fifo);
++ } else {
++ do {
++ DBG(DBG_FIFO, " -> %02lx\n", tmp >> 24);
++ __raw_writeb(tmp >> 24, fifo);
++ fifo++;
++ tmp <<= 8;
++ } while (--len);
++ break;
++ }
+ }
++}
+
-+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!regs) {
-+ dev_dbg(&pdev->dev, "no mmio resource defined\n");
-+ ret = -ENXIO;
-+ goto out;
-+ }
++static void copy_from_fifo(void *buf, void __iomem *fifo, int len)
++{
++ union {
++ unsigned long *w;
++ unsigned char *b;
++ } p;
++ unsigned long tmp;
+
-+ irq = platform_get_irq(pdev, 0);
-+ if (irq < 0) {
-+ dev_dbg(&pdev->dev, "could not get irq\n");
-+ ret = -ENXIO;
-+ goto out;
++ DBG(DBG_FIFO, "copy from FIFO (len %d):\n", len);
++ for (p.w = buf; len > 0; len -= 4, p.w++, fifo += 4) {
++ if (len >= 4) {
++ tmp = __raw_readl(fifo);
++ *p.w = tmp;
++ DBG(DBG_FIFO, " -> %08lx\n", tmp);
++ } else {
++ do {
++ tmp = __raw_readb(fifo);
++ *p.b = tmp;
++ DBG(DBG_FIFO, " -> %02lx\n", tmp);
++ fifo++, p.b++;
++ } while (--len);
++ }
+ }
++}
+
-+ ret = request_irq(irq, at32_rtc_interrupt, IRQF_SHARED, "rtc", rtc);
-+ if (ret) {
-+ dev_dbg(&pdev->dev, "could not request irq %d\n", irq);
-+ goto out;
-+ }
++static void next_fifo_transaction(struct usba_ep *ep, struct usba_request *req)
++{
++ unsigned int transaction_len;
+
-+ rtc->irq = irq;
-+ rtc->regs = ioremap(regs->start, regs->end - regs->start + 1);
-+ if (!rtc->regs) {
-+ ret = -ENOMEM;
-+ dev_dbg(&pdev->dev, "could not map I/O memory\n");
-+ goto out_free_irq;
-+ }
-+ spin_lock_init(&rtc->lock);
++ transaction_len = req->req.length - req->req.actual;
++ req->last_transaction = 1;
++ if (transaction_len > ep->ep.maxpacket) {
++ transaction_len = ep->ep.maxpacket;
++ req->last_transaction = 0;
++ } else if (transaction_len == ep->ep.maxpacket && req->req.zero)
++ req->last_transaction = 0;
+
-+ /*
-+ * Maybe init RTC: count from zero at 1 Hz, disable wrap irq.
-+ *
-+ * Do not reset VAL register, as it can hold an old time
-+ * from last JTAG reset.
-+ */
-+ if (!(rtc_readl(rtc, CTRL) & RTC_BIT(CTRL_EN))) {
-+ rtc_writel(rtc, CTRL, RTC_BIT(CTRL_PCLR));
-+ rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
-+ rtc_writel(rtc, CTRL, RTC_BF(CTRL_PSEL, 0xe)
-+ | RTC_BIT(CTRL_EN));
-+ }
++ DBG(DBG_QUEUE, "%s: submit_transaction, req %p (length %d)%s\n",
++ ep->ep.name, req, transaction_len,
++ req->last_transaction ? ", done" : "");
+
-+ rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
-+ &at32_rtc_ops, THIS_MODULE);
-+ if (IS_ERR(rtc->rtc)) {
-+ dev_dbg(&pdev->dev, "could not register rtc device\n");
-+ ret = PTR_ERR(rtc->rtc);
-+ goto out_iounmap;
-+ }
++ copy_to_fifo(ep->fifo, req->req.buf + req->req.actual, transaction_len);
++ usba_ep_writel(ep, SET_STA, USBA_TX_PK_RDY);
++ req->req.actual += transaction_len;
++}
++
++static void submit_request(struct usba_ep *ep, struct usba_request *req)
++{
++ DBG(DBG_QUEUE, "%s: submit_request: req %p (length %d)\n",
++ ep->ep.name, req, req->req.length);
+
-+ platform_set_drvdata(pdev, rtc);
++ req->req.actual = 0;
++ req->submitted = 1;
+
-+ dev_info(&pdev->dev, "Atmel RTC for AT32AP700x at %08lx irq %ld\n",
-+ (unsigned long)rtc->regs, rtc->irq);
++ if (req->using_dma) {
++ if (req->req.length == 0) {
++ usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY);
++ return;
++ }
+
-+ return 0;
++ if (req->req.zero)
++ usba_ep_writel(ep, CTL_ENB, USBA_SHORT_PACKET);
++ else
++ usba_ep_writel(ep, CTL_DIS, USBA_SHORT_PACKET);
+
-+out_iounmap:
-+ iounmap(rtc->regs);
-+out_free_irq:
-+ free_irq(irq, rtc);
-+out:
-+ kfree(rtc);
-+ return ret;
++ usba_dma_writel(ep, ADDRESS, req->req.dma);
++ usba_dma_writel(ep, CONTROL, req->ctrl);
++ } else {
++ next_fifo_transaction(ep, req);
++ if (req->last_transaction) {
++ usba_ep_writel(ep, CTL_DIS, USBA_TX_PK_RDY);
++ usba_ep_writel(ep, CTL_ENB, USBA_TX_COMPLETE);
++ } else {
++ usba_ep_writel(ep, CTL_DIS, USBA_TX_COMPLETE);
++ usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY);
++ }
++ }
+}
+
-+static int __exit at32_rtc_remove(struct platform_device *pdev)
++static void submit_next_request(struct usba_ep *ep)
+{
-+ struct rtc_at32ap700x *rtc = platform_get_drvdata(pdev);
++ struct usba_request *req;
+
-+ free_irq(rtc->irq, rtc);
-+ iounmap(rtc->regs);
-+ rtc_device_unregister(rtc->rtc);
-+ kfree(rtc);
-+ platform_set_drvdata(pdev, NULL);
++ if (list_empty(&ep->queue)) {
++ usba_ep_writel(ep, CTL_DIS, USBA_TX_PK_RDY | USBA_RX_BK_RDY);
++ return;
++ }
+
-+ return 0;
++ req = list_entry(ep->queue.next, struct usba_request, queue);
++ if (!req->submitted)
++ submit_request(ep, req);
+}
+
-+static struct platform_driver at32_rtc_driver = {
-+ .remove = __exit_p(at32_rtc_remove),
-+ .driver = {
-+ .name = "rtc-at32ap700x",
-+ .owner = THIS_MODULE,
-+ },
-+};
-+
-+static int __init at32_rtc_init(void)
++static void send_status(struct usba_udc *udc, struct usba_ep *ep)
+{
-+ return platform_driver_probe(&at32_rtc_driver, at32_rtc_probe);
++ ep->state = STATUS_STAGE_IN;
++ usba_ep_writel(ep, SET_STA, USBA_TX_PK_RDY);
++ usba_ep_writel(ep, CTL_ENB, USBA_TX_COMPLETE);
+}
-+module_init(at32_rtc_init);
+
-+static void __exit at32_rtc_exit(void)
++static void receive_data(struct usba_ep *ep)
+{
-+ platform_driver_unregister(&at32_rtc_driver);
-+}
-+module_exit(at32_rtc_exit);
++ struct usba_udc *udc = ep->udc;
++ struct usba_request *req;
++ unsigned long status;
++ unsigned int bytecount, nr_busy;
++ int is_complete = 0;
+
-+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
-+MODULE_DESCRIPTION("Real time clock for AVR32 AT32AP700x");
-+MODULE_LICENSE("GPL");
-diff -x .git -Nur linux-2.6.22.1/drivers/serial/atmel_serial.c linux-avr32.git/drivers/serial/atmel_serial.c
---- linux-2.6.22.1/drivers/serial/atmel_serial.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/serial/atmel_serial.c 2007-06-06 11:33:59.000000000 +0200
-@@ -114,6 +114,7 @@
- struct uart_port uart; /* uart */
- struct clk *clk; /* uart clock */
- unsigned short suspended; /* is port suspended? */
-+ int break_active; /* break being received */
- };
-
- static struct atmel_uart_port atmel_ports[ATMEL_MAX_UART];
-@@ -252,6 +253,7 @@
- */
- static void atmel_rx_chars(struct uart_port *port)
- {
-+ struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port;
- struct tty_struct *tty = port->info->tty;
- unsigned int status, ch, flg;
-
-@@ -267,13 +269,29 @@
- * note that the error handling code is
- * out of the main execution path
- */
-- if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME | ATMEL_US_OVRE | ATMEL_US_RXBRK))) {
-+ if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME
-+ | ATMEL_US_OVRE | ATMEL_US_RXBRK)
-+ || atmel_port->break_active)) {
- UART_PUT_CR(port, ATMEL_US_RSTSTA); /* clear error */
-- if (status & ATMEL_US_RXBRK) {
-+ if (status & ATMEL_US_RXBRK
-+ && !atmel_port->break_active) {
- status &= ~(ATMEL_US_PARE | ATMEL_US_FRAME); /* ignore side-effect */
- port->icount.brk++;
-+ atmel_port->break_active = 1;
-+ UART_PUT_IER(port, ATMEL_US_RXBRK);
- if (uart_handle_break(port))
- goto ignore_char;
-+ } else {
-+ /*
-+ * This is either the end-of-break
-+ * condition or we've received at
-+ * least one character without RXBRK
-+ * being set. In both cases, the next
-+ * RXBRK will indicate start-of-break.
-+ */
-+ UART_PUT_IDR(port, ATMEL_US_RXBRK);
-+ status &= ~ATMEL_US_RXBRK;
-+ atmel_port->break_active = 0;
- }
- if (status & ATMEL_US_PARE)
- port->icount.parity++;
-@@ -352,6 +370,16 @@
- /* Interrupt receive */
- if (pending & ATMEL_US_RXRDY)
- atmel_rx_chars(port);
-+ else if (pending & ATMEL_US_RXBRK) {
-+ /*
-+ * End of break detected. If it came along
-+ * with a character, atmel_rx_chars will
-+ * handle it.
-+ */
-+ UART_PUT_CR(port, ATMEL_US_RSTSTA);
-+ UART_PUT_IDR(port, ATMEL_US_RXBRK);
-+ atmel_port->break_active = 0;
-+ }
-
- // TODO: All reads to CSR will clear these interrupts!
- if (pending & ATMEL_US_RIIC) port->icount.rng++;
-diff -x .git -Nur linux-2.6.22.1/drivers/spi/atmel_spi.c linux-avr32.git/drivers/spi/atmel_spi.c
---- linux-2.6.22.1/drivers/spi/atmel_spi.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/spi/atmel_spi.c 2007-06-06 11:33:59.000000000 +0200
-@@ -412,8 +412,8 @@
- csr |= SPI_BIT(NCPHA);
-
- /* TODO: DLYBS and DLYBCT */
-- csr |= SPI_BF(DLYBS, 10);
-- csr |= SPI_BF(DLYBCT, 10);
-+ csr |= SPI_BF(DLYBS, 0);
-+ csr |= SPI_BF(DLYBCT, 0);
-
- /* chipselect must have been muxed as GPIO (e.g. in board setup) */
- npcs_pin = (unsigned int)spi->controller_data;
-diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/atmel_usba_udc.c linux-avr32.git/drivers/usb/gadget/atmel_usba_udc.c
---- linux-2.6.22.1/drivers/usb/gadget/atmel_usba_udc.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/usb/gadget/atmel_usba_udc.c 2007-07-12 14:00:19.000000000 +0200
-@@ -0,0 +1,2072 @@
-+/*
-+ * Driver for the Atmel USBA high speed USB device controller
-+ *
-+ * Copyright (C) 2005-2007 Atmel Corporation
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+/* #define DEBUG */
++ status = usba_ep_readl(ep, STA);
++ nr_busy = USBA_BFEXT(BUSY_BANKS, status);
+
-+#include <linux/clk.h>
-+#include <linux/module.h>
-+#include <linux/init.h>
-+#include <linux/interrupt.h>
-+#include <linux/io.h>
-+#include <linux/device.h>
-+#include <linux/dma-mapping.h>
-+#include <linux/list.h>
-+#include <linux/platform_device.h>
-+#include <linux/usb/ch9.h>
-+#include <linux/usb_gadget.h>
-+#include <linux/delay.h>
++ DBG(DBG_QUEUE, "receive data: nr_busy=%u\n", nr_busy);
+
-+#include <asm/gpio.h>
-+#include <asm/arch/board.h>
++ while (nr_busy > 0) {
++ if (list_empty(&ep->queue)) {
++ usba_ep_writel(ep, CTL_DIS, USBA_RX_BK_RDY);
++ break;
++ }
++ req = list_entry(ep->queue.next,
++ struct usba_request, queue);
+
-+#include "atmel_usba_udc.h"
++ bytecount = USBA_BFEXT(BYTE_COUNT, status);
+
-+#define DMA_ADDR_INVALID (~(dma_addr_t)0)
++ if (status & (1 << 31))
++ is_complete = 1;
++ if (req->req.actual + bytecount >= req->req.length) {
++ is_complete = 1;
++ bytecount = req->req.length - req->req.actual;
++ }
+
-+#define FIFO_IOMEM_ID 0
-+#define CTRL_IOMEM_ID 1
++ copy_from_fifo(req->req.buf + req->req.actual,
++ ep->fifo, bytecount);
++ req->req.actual += bytecount;
+
-+#ifdef DEBUG
-+#define DBG_ERR 0x0001 /* report all error returns */
-+#define DBG_HW 0x0002 /* debug hardware initialization */
-+#define DBG_GADGET 0x0004 /* calls to/from gadget driver */
-+#define DBG_INT 0x0008 /* interrupts */
-+#define DBG_BUS 0x0010 /* report changes in bus state */
-+#define DBG_QUEUE 0x0020 /* debug request queue processing */
-+#define DBG_FIFO 0x0040 /* debug FIFO contents */
-+#define DBG_DMA 0x0080 /* debug DMA handling */
-+#define DBG_REQ 0x0100 /* print out queued request length */
-+#define DBG_ALL 0xffff
-+#define DBG_NONE 0x0000
++ usba_ep_writel(ep, CLR_STA, USBA_RX_BK_RDY);
+
-+#define DEBUG_LEVEL (DBG_ERR)
-+#define DBG(level, fmt, ...) \
-+ do { \
-+ if ((level) & DEBUG_LEVEL) \
-+ printk(KERN_DEBUG "udc: " fmt, ## __VA_ARGS__); \
-+ } while (0)
-+#else
-+#define DBG(level, fmt...)
-+#endif
++ if (is_complete) {
++ DBG(DBG_QUEUE, "%s: request done\n", ep->ep.name);
++ req->req.status = 0;
++ list_del_init(&req->queue);
++ usba_ep_writel(ep, CTL_DIS, USBA_RX_BK_RDY);
++ spin_unlock(&udc->lock);
++ req->req.complete(&ep->ep, &req->req);
++ spin_lock(&udc->lock);
++ }
+
-+static struct usba_udc the_udc;
++ status = usba_ep_readl(ep, STA);
++ nr_busy = USBA_BFEXT(BUSY_BANKS, status);
+
-+#ifdef CONFIG_DEBUG_FS
-+#include <linux/debugfs.h>
-+#include <linux/uaccess.h>
++ if (is_complete && ep_is_control(ep)) {
++ send_status(udc, ep);
++ break;
++ }
++ }
++}
+
-+static int queue_dbg_open(struct inode *inode, struct file *file)
++static void
++request_complete(struct usba_ep *ep, struct usba_request *req, int status)
+{
-+ struct usba_ep *ep = inode->i_private;
-+ struct usba_request *req, *req_copy;
-+ struct list_head *queue_data;
++ struct usba_udc *udc = ep->udc;
+
-+ queue_data = kmalloc(sizeof(*queue_data), GFP_KERNEL);
-+ if (!queue_data)
-+ return -ENOMEM;
-+ INIT_LIST_HEAD(queue_data);
++ WARN_ON(!list_empty(&req->queue));
+
-+ spin_lock_irq(&ep->udc->lock);
-+ list_for_each_entry(req, &ep->queue, queue) {
-+ req_copy = kmalloc(sizeof(*req_copy), GFP_ATOMIC);
-+ if (!req_copy)
-+ goto fail;
-+ memcpy(req_copy, req, sizeof(*req_copy));
-+ list_add_tail(&req_copy->queue, queue_data);
++ if (req->req.status == -EINPROGRESS)
++ req->req.status = status;
++
++ if (req->mapped) {
++ dma_unmap_single(
++ &udc->pdev->dev, req->req.dma, req->req.length,
++ ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
++ req->req.dma = DMA_ADDR_INVALID;
++ req->mapped = 0;
+ }
-+ spin_unlock_irq(&ep->udc->lock);
+
-+ file->private_data = queue_data;
-+ return 0;
++ DBG(DBG_GADGET | DBG_REQ,
++ "%s: req %p complete: status %d, actual %u\n",
++ ep->ep.name, req, req->req.status, req->req.actual);
+
-+fail:
-+ spin_unlock_irq(&ep->udc->lock);
-+ list_for_each_entry_safe(req, req_copy, queue_data, queue) {
-+ list_del(&req->queue);
-+ kfree(req);
-+ }
-+ kfree(queue_data);
-+ return -ENOMEM;
++ spin_unlock(&udc->lock);
++ req->req.complete(&ep->ep, &req->req);
++ spin_lock(&udc->lock);
+}
+
-+/*
-+ * bbbbbbbb llllllll IZS sssss nnnn FDL\n\0
-+ *
-+ * b: buffer address
-+ * l: buffer length
-+ * I/i: interrupt/no interrupt
-+ * Z/z: zero/no zero
-+ * S/s: short ok/short not ok
-+ * s: status
-+ * n: nr_packets
-+ * F/f: submitted/not submitted to FIFO
-+ * D/d: using/not using DMA
-+ * L/l: last transaction/not last transaction
-+ */
-+static ssize_t queue_dbg_read(struct file *file, char __user *buf,
-+ size_t nbytes, loff_t *ppos)
++static void
++request_complete_list(struct usba_ep *ep, struct list_head *list, int status)
+{
-+ struct list_head *queue = file->private_data;
+ struct usba_request *req, *tmp_req;
-+ size_t len, remaining, actual = 0;
-+ char tmpbuf[38];
+
-+ if (!access_ok(VERIFY_WRITE, buf, nbytes))
-+ return -EFAULT;
++ list_for_each_entry_safe(req, tmp_req, list, queue) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, status);
++ }
++}
+
-+ mutex_lock(&file->f_dentry->d_inode->i_mutex);
-+ list_for_each_entry_safe(req, tmp_req, queue, queue) {
-+ len = snprintf(tmpbuf, sizeof(tmpbuf),
-+ "%8p %08x %c%c%c %5d %c%c%c\n",
-+ req->req.buf, req->req.length,
-+ req->req.no_interrupt ? 'i' : 'I',
-+ req->req.zero ? 'Z' : 'z',
-+ req->req.short_not_ok ? 's' : 'S',
-+ req->req.status,
-+ req->submitted ? 'F' : 'f',
-+ req->using_dma ? 'D' : 'd',
-+ req->last_transaction ? 'L' : 'l');
-+ len = min(len, sizeof(tmpbuf));
-+ if (len > nbytes)
-+ break;
++static int
++usba_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
++{
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++ unsigned long flags, ept_cfg, maxpacket;
++ unsigned int nr_trans;
+
-+ list_del(&req->queue);
-+ kfree(req);
++ DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep->ep.name, desc);
+
-+ remaining = __copy_to_user(buf, tmpbuf, len);
-+ actual += len - remaining;
-+ if (remaining)
-+ break;
++ maxpacket = le16_to_cpu(desc->wMaxPacketSize) & 0x7ff;
+
-+ nbytes -= len;
-+ buf += len;
++ if (((desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) != ep->index)
++ || ep->index == 0
++ || desc->bDescriptorType != USB_DT_ENDPOINT
++ || maxpacket == 0
++ || maxpacket > ep->fifo_size) {
++ DBG(DBG_ERR, "ep_enable: Invalid argument");
++ return -EINVAL;
+ }
-+ mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+
-+ return actual;
-+}
++ ep->is_isoc = 0;
++ ep->is_in = 0;
+
-+static int queue_dbg_release(struct inode *inode, struct file *file)
-+{
-+ struct list_head *queue_data = file->private_data;
-+ struct usba_request *req, *tmp_req;
++ if (maxpacket <= 8)
++ ept_cfg = USBA_BF(EPT_SIZE, USBA_EPT_SIZE_8);
++ else
++ /* LSB is bit 1, not 0 */
++ ept_cfg = USBA_BF(EPT_SIZE, fls(maxpacket - 1) - 3);
+
-+ list_for_each_entry_safe(req, tmp_req, queue_data, queue) {
-+ list_del(&req->queue);
-+ kfree(req);
++ DBG(DBG_HW, "%s: EPT_SIZE = %lu (maxpacket = %lu)\n",
++ ep->ep.name, ept_cfg, maxpacket);
++
++ if ((desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
++ ep->is_in = 1;
++ ept_cfg |= USBA_EPT_DIR_IN;
+ }
-+ kfree(queue_data);
-+ return 0;
-+}
+
-+static int regs_dbg_open(struct inode *inode, struct file *file)
-+{
-+ struct usba_udc *udc;
-+ unsigned int i;
-+ u32 *data;
-+ int ret = -ENOMEM;
++ switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
++ case USB_ENDPOINT_XFER_CONTROL:
++ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL);
++ ept_cfg |= USBA_BF(BK_NUMBER, USBA_BK_NUMBER_ONE);
++ break;
++ case USB_ENDPOINT_XFER_ISOC:
++ if (!ep->can_isoc) {
++ DBG(DBG_ERR, "ep_enable: %s is not isoc capable\n",
++ ep->ep.name);
++ return -EINVAL;
++ }
+
-+ mutex_lock(&inode->i_mutex);
-+ udc = inode->i_private;
-+ data = kmalloc(inode->i_size, GFP_KERNEL);
-+ if (!data)
-+ goto out;
++ /*
++ * Bits 11:12 specify number of _additional_
++ * transactions per microframe.
++ */
++ nr_trans = ((le16_to_cpu(desc->wMaxPacketSize) >> 11) & 3) + 1;
++ if (nr_trans > 3)
++ return -EINVAL;
+
-+ spin_lock_irq(&udc->lock);
-+ for (i = 0; i < inode->i_size / 4; i++)
-+ data[i] = __raw_readl(udc->regs + i * 4);
-+ spin_unlock_irq(&udc->lock);
++ ep->is_isoc = 1;
++ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_ISO);
+
-+ file->private_data = data;
-+ ret = 0;
++ /*
++ * Do triple-buffering on high-bandwidth iso endpoints.
++ */
++ if (nr_trans > 1 && ep->nr_banks == 3)
++ ept_cfg |= USBA_BF(BK_NUMBER, USBA_BK_NUMBER_TRIPLE);
++ else
++ ept_cfg |= USBA_BF(BK_NUMBER, USBA_BK_NUMBER_DOUBLE);
++ ept_cfg |= USBA_BF(NB_TRANS, nr_trans);
++ break;
++ case USB_ENDPOINT_XFER_BULK:
++ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK);
++ ept_cfg |= USBA_BF(BK_NUMBER, USBA_BK_NUMBER_DOUBLE);
++ break;
++ case USB_ENDPOINT_XFER_INT:
++ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_INT);
++ ept_cfg |= USBA_BF(BK_NUMBER, USBA_BK_NUMBER_DOUBLE);
++ break;
++ }
+
-+out:
-+ mutex_unlock(&inode->i_mutex);
++ spin_lock_irqsave(&ep->udc->lock, flags);
+
-+ return ret;
-+}
++ if (ep->desc) {
++ spin_unlock_irqrestore(&ep->udc->lock, flags);
++ DBG(DBG_ERR, "ep%d already enabled\n", ep->index);
++ return -EBUSY;
++ }
+
-+static ssize_t regs_dbg_read(struct file *file, char __user *buf,
-+ size_t nbytes, loff_t *ppos)
-+{
-+ struct inode *inode = file->f_dentry->d_inode;
-+ int ret;
++ ep->desc = desc;
++ ep->ep.maxpacket = maxpacket;
+
-+ mutex_lock(&inode->i_mutex);
-+ ret = simple_read_from_buffer(buf, nbytes, ppos,
-+ file->private_data,
-+ file->f_dentry->d_inode->i_size);
-+ mutex_unlock(&inode->i_mutex);
++ usba_ep_writel(ep, CFG, ept_cfg);
++ usba_ep_writel(ep, CTL_ENB, USBA_EPT_ENABLE);
+
-+ return ret;
-+}
++ if (ep->can_dma) {
++ u32 ctrl;
+
-+static int regs_dbg_release(struct inode *inode, struct file *file)
-+{
-+ kfree(file->private_data);
-+ return 0;
-+}
++ usba_writel(udc, INT_ENB,
++ (usba_readl(udc, INT_ENB)
++ | USBA_BF(EPT_INT, 1 << ep->index)
++ | USBA_BF(DMA_INT, 1 << ep->index)));
++ ctrl = USBA_AUTO_VALID | USBA_INTDIS_DMA;
++ usba_ep_writel(ep, CTL_ENB, ctrl);
++ } else {
++ usba_writel(udc, INT_ENB,
++ (usba_readl(udc, INT_ENB)
++ | USBA_BF(EPT_INT, 1 << ep->index)));
++ }
+
-+const struct file_operations queue_dbg_fops = {
-+ .owner = THIS_MODULE,
-+ .open = queue_dbg_open,
-+ .llseek = no_llseek,
-+ .read = queue_dbg_read,
-+ .release = queue_dbg_release,
-+};
++ spin_unlock_irqrestore(&udc->lock, flags);
+
-+const struct file_operations regs_dbg_fops = {
-+ .owner = THIS_MODULE,
-+ .open = regs_dbg_open,
-+ .llseek = generic_file_llseek,
-+ .read = regs_dbg_read,
-+ .release = regs_dbg_release,
-+};
++ DBG(DBG_HW, "EPT_CFG%d after init: %#08lx\n", ep->index,
++ (unsigned long)usba_ep_readl(ep, CFG));
++ DBG(DBG_HW, "INT_ENB after init: %#08lx\n",
++ (unsigned long)usba_readl(udc, INT_ENB));
+
-+static void usba_ep_init_debugfs(struct usba_udc *udc,
-+ struct usba_ep *ep)
++ return 0;
++}
++
++static int usba_ep_disable(struct usb_ep *_ep)
+{
-+ struct dentry *ep_root;
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++ LIST_HEAD(req_list);
++ unsigned long flags;
+
-+ ep_root = debugfs_create_dir(ep_name(ep), udc->debugfs_root);
-+ if (!ep_root)
-+ goto err_root;
-+ ep->debugfs_dir = ep_root;
++ DBG(DBG_GADGET, "ep_disable: %s\n", ep->ep.name);
+
-+ ep->debugfs_queue = debugfs_create_file("queue", 0400, ep_root,
-+ ep, &queue_dbg_fops);
-+ if (!ep->debugfs_queue)
-+ goto err_queue;
++ spin_lock_irqsave(&udc->lock, flags);
+
-+ if (ep_can_dma(ep)) {
-+ ep->debugfs_dma_status
-+ = debugfs_create_u32("dma_status", 0400, ep_root,
-+ &ep->last_dma_status);
-+ if (!ep->debugfs_dma_status)
-+ goto err_dma_status;
++ if (!ep->desc) {
++ spin_unlock_irqrestore(&udc->lock, flags);
++ DBG(DBG_ERR, "ep_disable: %s not enabled\n", ep->ep.name);
++ return -EINVAL;
+ }
-+ if (ep_is_control(ep)) {
-+ ep->debugfs_state
-+ = debugfs_create_u32("state", 0400, ep_root,
-+ &ep->state);
-+ if (!ep->debugfs_state)
-+ goto err_state;
++ ep->desc = NULL;
++
++ list_splice_init(&ep->queue, &req_list);
++ if (ep->can_dma) {
++ usba_dma_writel(ep, CONTROL, 0);
++ usba_dma_writel(ep, ADDRESS, 0);
++ usba_dma_readl(ep, STATUS);
+ }
++ usba_ep_writel(ep, CTL_DIS, USBA_EPT_ENABLE);
++ usba_writel(udc, INT_ENB,
++ usba_readl(udc, INT_ENB)
++ & ~USBA_BF(EPT_INT, 1 << ep->index));
+
-+ return;
++ request_complete_list(ep, &req_list, -ESHUTDOWN);
+
-+err_state:
-+ if (ep_can_dma(ep))
-+ debugfs_remove(ep->debugfs_dma_status);
-+err_dma_status:
-+ debugfs_remove(ep->debugfs_queue);
-+err_queue:
-+ debugfs_remove(ep_root);
-+err_root:
-+ dev_err(&ep->udc->pdev->dev,
-+ "failed to create debugfs directory for %s\n", ep_name(ep));
-+}
++ spin_unlock_irqrestore(&udc->lock, flags);
+
-+static void usba_ep_cleanup_debugfs(struct usba_ep *ep)
-+{
-+ debugfs_remove(ep->debugfs_queue);
-+ debugfs_remove(ep->debugfs_dma_status);
-+ debugfs_remove(ep->debugfs_state);
-+ debugfs_remove(ep->debugfs_dir);
-+ ep->debugfs_dma_status = NULL;
-+ ep->debugfs_dir = NULL;
++ return 0;
+}
+
-+static void usba_init_debugfs(struct usba_udc *udc)
++static struct usb_request *
++usba_ep_alloc_request(struct usb_ep *_ep, gfp_t gfp_flags)
+{
-+ struct dentry *root, *regs;
-+ struct resource *regs_resource;
++ struct usba_request *req;
+
-+ root = debugfs_create_dir(udc->gadget.name, NULL);
-+ if (IS_ERR(root) || !root)
-+ goto err_root;
-+ udc->debugfs_root = root;
-+
-+ regs = debugfs_create_file("regs", 0400, root, udc, ®s_dbg_fops);
-+ if (!regs)
-+ goto err_regs;
-+
-+ regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM,
-+ CTRL_IOMEM_ID);
-+ regs->d_inode->i_size = regs_resource->end - regs_resource->start + 1;
-+ udc->debugfs_regs = regs;
++ DBG(DBG_GADGET, "ep_alloc_request: %p, 0x%x\n", _ep, gfp_flags);
+
-+ usba_ep_init_debugfs(udc, to_usba_ep(udc->gadget.ep0));
++ req = kzalloc(sizeof(*req), gfp_flags);
++ if (!req)
++ return NULL;
+
-+ return;
++ INIT_LIST_HEAD(&req->queue);
++ req->req.dma = DMA_ADDR_INVALID;
+
-+err_regs:
-+ debugfs_remove(root);
-+err_root:
-+ udc->debugfs_root = NULL;
-+ dev_err(&udc->pdev->dev, "debugfs is not available\n");
++ return &req->req;
+}
+
-+static void usba_cleanup_debugfs(struct usba_udc *udc)
-+{
-+ usba_ep_cleanup_debugfs(to_usba_ep(udc->gadget.ep0));
-+ debugfs_remove(udc->debugfs_regs);
-+ debugfs_remove(udc->debugfs_root);
-+ udc->debugfs_regs = NULL;
-+ udc->debugfs_root = NULL;
-+}
-+#else
-+static inline void usba_ep_init_debugfs(struct usba_udc *udc,
-+ struct usba_ep *ep)
++static void
++usba_ep_free_request(struct usb_ep *_ep, struct usb_request *_req)
+{
++ struct usba_request *req = to_usba_req(_req);
++
++ DBG(DBG_GADGET, "ep_free_request: %p, %p\n", _ep, _req);
+
++ kfree(req);
+}
+
-+static inline void usba_ep_cleanup_debugfs(struct usba_ep *ep)
++static int queue_dma(struct usba_udc *udc, struct usba_ep *ep,
++ struct usba_request *req, gfp_t gfp_flags)
+{
++ unsigned long flags;
++ int ret;
+
-+}
++ DBG(DBG_DMA, "%s: req l/%u d/%08x %c%c%c\n",
++ ep->ep.name, req->req.length, req->req.dma,
++ req->req.zero ? 'Z' : 'z',
++ req->req.short_not_ok ? 'S' : 's',
++ req->req.no_interrupt ? 'I' : 'i');
+
-+static inline void usba_init_debugfs(struct usba_udc *udc)
-+{
++ if (req->req.length > 0x10000) {
++ /* Lengths from 0 to 65536 (inclusive) are supported */
++ DBG(DBG_ERR, "invalid request length %u\n", req->req.length);
++ return -EINVAL;
++ }
+
-+}
++ req->using_dma = 1;
+
-+static inline void usba_cleanup_debugfs(struct usba_udc *udc)
-+{
++ if (req->req.dma == DMA_ADDR_INVALID) {
++ req->req.dma = dma_map_single(
++ &udc->pdev->dev, req->req.buf, req->req.length,
++ ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
++ req->mapped = 1;
++ } else {
++ dma_sync_single_for_device(
++ &udc->pdev->dev, req->req.dma, req->req.length,
++ ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
++ req->mapped = 0;
++ }
+
-+}
-+#endif
++ req->ctrl = USBA_BF(DMA_BUF_LEN, req->req.length)
++ | USBA_DMA_CH_EN | USBA_DMA_END_BUF_IE
++ | USBA_DMA_END_TR_EN | USBA_DMA_END_TR_IE;
+
-+static int vbus_is_present(struct usba_udc *udc)
-+{
-+ if (udc->vbus_pin != -1)
-+ return gpio_get_value(udc->vbus_pin);
++ if (ep->is_in)
++ req->ctrl |= USBA_DMA_END_BUF_EN;
+
-+ /* No Vbus detection: Assume always present */
-+ return 1;
++ /*
++ * Add this request to the queue and submit for DMA if
++ * possible. Check if we're still alive first -- we may have
++ * received a reset since last time we checked.
++ */
++ ret = -ESHUTDOWN;
++ spin_lock_irqsave(&udc->lock, flags);
++ if (ep->desc) {
++ if (list_empty(&ep->queue))
++ submit_request(ep, req);
++
++ list_add_tail(&req->queue, &ep->queue);
++ ret = 0;
++ }
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ return ret;
+}
+
-+static void copy_to_fifo(void __iomem *fifo, const void *buf, int len)
++static int
++usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
+{
-+ unsigned long tmp;
++ struct usba_request *req = to_usba_req(_req);
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++ unsigned long flags;
++ int ret;
+
-+ DBG(DBG_FIFO, "copy to FIFO (len %d):\n", len);
-+ for (; len > 0; len -= 4, buf += 4, fifo += 4) {
-+ tmp = *(unsigned long *)buf;
-+ if (len >= 4) {
-+ DBG(DBG_FIFO, " -> %08lx\n", tmp);
-+ __raw_writel(tmp, fifo);
-+ } else {
-+ do {
-+ DBG(DBG_FIFO, " -> %02lx\n", tmp >> 24);
-+ __raw_writeb(tmp >> 24, fifo);
-+ fifo++;
-+ tmp <<= 8;
-+ } while (--len);
-+ break;
-+ }
++ DBG(DBG_GADGET | DBG_QUEUE | DBG_REQ, "%s: queue req %p, len %u\n",
++ ep->ep.name, req, _req->length);
++
++ if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN || !ep->desc)
++ return -ESHUTDOWN;
++
++ req->submitted = 0;
++ req->using_dma = 0;
++ req->last_transaction = 0;
++
++ _req->status = -EINPROGRESS;
++ _req->actual = 0;
++
++ if (ep->can_dma)
++ return queue_dma(udc, ep, req, gfp_flags);
++
++ /* May have received a reset since last time we checked */
++ ret = -ESHUTDOWN;
++ spin_lock_irqsave(&udc->lock, flags);
++ if (ep->desc) {
++ list_add_tail(&req->queue, &ep->queue);
++
++ if (ep->is_in || (ep_is_control(ep)
++ && (ep->state == DATA_STAGE_IN
++ || ep->state == STATUS_STAGE_IN)))
++ usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY);
++ else
++ usba_ep_writel(ep, CTL_ENB, USBA_RX_BK_RDY);
++ ret = 0;
+ }
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ return ret;
+}
+
-+static void copy_from_fifo(void *buf, void __iomem *fifo, int len)
++static void
++usba_update_req(struct usba_ep *ep, struct usba_request *req, u32 status)
+{
-+ union {
-+ unsigned long *w;
-+ unsigned char *b;
-+ } p;
-+ unsigned long tmp;
-+
-+ DBG(DBG_FIFO, "copy from FIFO (len %d):\n", len);
-+ for (p.w = buf; len > 0; len -= 4, p.w++, fifo += 4) {
-+ if (len >= 4) {
-+ tmp = __raw_readl(fifo);
-+ *p.w = tmp;
-+ DBG(DBG_FIFO, " -> %08lx\n", tmp);
-+ } else {
-+ do {
-+ tmp = __raw_readb(fifo);
-+ *p.b = tmp;
-+ DBG(DBG_FIFO, " -> %02lx\n", tmp);
-+ fifo++, p.b++;
-+ } while (--len);
-+ }
-+ }
++ req->req.actual = req->req.length - USBA_BFEXT(DMA_BUF_LEN, status);
+}
+
-+static void next_fifo_transaction(struct usba_ep *ep,
-+ struct usba_request *req)
++static int stop_dma(struct usba_ep *ep, u32 *pstatus)
+{
-+ unsigned int transaction_len;
++ unsigned int timeout;
++ u32 status;
+
-+ transaction_len = req->req.length - req->req.actual;
-+ req->last_transaction = 1;
-+ if (transaction_len > ep->ep.maxpacket) {
-+ transaction_len = ep->ep.maxpacket;
-+ req->last_transaction = 0;
-+ } else if (transaction_len == ep->ep.maxpacket
-+ && req->req.zero) {
-+ req->last_transaction = 0;
++ /*
++ * Stop the DMA controller. When writing both CH_EN
++ * and LINK to 0, the other bits are not affected.
++ */
++ usba_dma_writel(ep, CONTROL, 0);
++
++ /* Wait for the FIFO to empty */
++ for (timeout = 40; timeout; --timeout) {
++ status = usba_dma_readl(ep, STATUS);
++ if (!(status & USBA_DMA_CH_EN))
++ break;
++ udelay(1);
+ }
-+ DBG(DBG_QUEUE, "%s: submit_transaction, req %p (length %d)%s\n",
-+ ep_name(ep), req, transaction_len,
-+ req->last_transaction ? ", done" : "");
+
-+ copy_to_fifo(ep->fifo, req->req.buf + req->req.actual, transaction_len);
-+ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
-+ req->req.actual += transaction_len;
++ if (pstatus)
++ *pstatus = status;
++
++ if (timeout == 0) {
++ dev_err(&ep->udc->pdev->dev,
++ "%s: timed out waiting for DMA FIFO to empty\n",
++ ep->ep.name);
++ return -ETIMEDOUT;
++ }
++
++ return 0;
+}
+
-+static void submit_request(struct usba_ep *ep, struct usba_request *req)
++static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
+{
-+ DBG(DBG_QUEUE, "%s: submit_request: req %p (length %d)\n",
-+ ep_name(ep), req, req->req.length);
++ struct usba_ep *ep = to_usba_ep(_ep);
++ struct usba_udc *udc = ep->udc;
++ struct usba_request *req = to_usba_req(_req);
++ unsigned long flags;
++ u32 status;
+
-+ req->req.actual = 0;
-+ req->submitted = 1;
++ DBG(DBG_GADGET | DBG_QUEUE, "ep_dequeue: %s, req %p\n",
++ ep->ep.name, req);
++
++ spin_lock_irqsave(&udc->lock, flags);
+
+ if (req->using_dma) {
-+ if (req->req.length == 0) {
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY));
-+ return;
-+ }
++ /*
++ * If this request is currently being transferred,
++ * stop the DMA controller and reset the FIFO.
++ */
++ if (ep->queue.next == &req->queue) {
++ status = usba_dma_readl(ep, STATUS);
++ if (status & USBA_DMA_CH_EN)
++ stop_dma(ep, &status);
+
-+ if (req->req.zero)
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(SHORT_PACKET));
-+ else
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(SHORT_PACKET));
++#ifdef CONFIG_USB_GADGET_DEBUG_FS
++ ep->last_dma_status = status;
++#endif
+
-+ usba_dma_writel(ep, ADDRESS, req->req.dma);
-+ usba_dma_writel(ep, CONTROL, req->ctrl);
-+ } else {
-+ next_fifo_transaction(ep, req);
-+ if (req->last_transaction) {
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY));
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE));
-+ } else {
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY));
++ usba_writel(udc, EPT_RST, 1 << ep->index);
++
++ usba_update_req(ep, req, status);
+ }
+ }
-+}
+
-+static void submit_next_request(struct usba_ep *ep)
-+{
-+ struct usba_request *req;
++ /*
++ * Errors should stop the queue from advancing until the
++ * completion function returns.
++ */
++ list_del_init(&req->queue);
+
-+ if (list_empty(&ep->queue)) {
-+ usba_ep_writel(ep, CTL_DIS, (USBA_BIT(TX_PK_RDY)
-+ | USBA_BIT(RX_BK_RDY)));
-+ return;
-+ }
++ request_complete(ep, req, -ECONNRESET);
+
-+ req = list_entry(ep->queue.next, struct usba_request, queue);
-+ if (!req->submitted)
-+ submit_request(ep, req);
-+}
++ /* Process the next request if any */
++ submit_next_request(ep);
++ spin_unlock_irqrestore(&udc->lock, flags);
+
-+static void send_status(struct usba_udc *udc, struct usba_ep *ep)
-+{
-+ ep->state = STATUS_STAGE_IN;
-+ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE));
++ return 0;
+}
+
-+static void receive_data(struct usba_ep *ep)
++static int usba_ep_set_halt(struct usb_ep *_ep, int value)
+{
++ struct usba_ep *ep = to_usba_ep(_ep);
+ struct usba_udc *udc = ep->udc;
-+ struct usba_request *req;
-+ unsigned long status;
-+ unsigned int bytecount, nr_busy;
-+ int is_complete = 0;
-+
-+ status = usba_ep_readl(ep, STA);
-+ nr_busy = USBA_BFEXT(BUSY_BANKS, status);
-+
-+ DBG(DBG_QUEUE, "receive data: nr_busy=%u\n", nr_busy);
-+
-+ while (nr_busy > 0) {
-+ if (list_empty(&ep->queue)) {
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
-+ break;
-+ }
-+ req = list_entry(ep->queue.next,
-+ struct usba_request, queue);
-+
-+ bytecount = USBA_BFEXT(BYTE_COUNT, status);
-+
-+ if (status & (1 << 31))
-+ is_complete = 1;
-+ if (req->req.actual + bytecount >= req->req.length) {
-+ is_complete = 1;
-+ bytecount = req->req.length - req->req.actual;
-+ }
-+
-+ copy_from_fifo(req->req.buf + req->req.actual,
-+ ep->fifo, bytecount);
-+ req->req.actual += bytecount;
-+
-+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
-+
-+ if (is_complete) {
-+ DBG(DBG_QUEUE, "%s: request done\n", ep_name(ep));
-+ req->req.status = 0;
-+ list_del_init(&req->queue);
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
-+ req->req.complete(&ep->ep, &req->req);
-+ }
++ unsigned long flags;
++ int ret = 0;
+
-+ status = usba_ep_readl(ep, STA);
-+ nr_busy = USBA_BFEXT(BUSY_BANKS, status);
++ DBG(DBG_GADGET, "endpoint %s: %s HALT\n", ep->ep.name,
++ value ? "set" : "clear");
+
-+ if (is_complete && ep_is_control(ep)) {
-+ send_status(udc, ep);
-+ break;
-+ }
++ if (!ep->desc) {
++ DBG(DBG_ERR, "Attempted to halt uninitialized ep %s\n",
++ ep->ep.name);
++ return -ENODEV;
++ }
++ if (ep->is_isoc) {
++ DBG(DBG_ERR, "Attempted to halt isochronous ep %s\n",
++ ep->ep.name);
++ return -ENOTTY;
+ }
-+}
-+
-+static void request_complete(struct usba_ep *ep,
-+ struct usba_request *req,
-+ int status)
-+{
-+ struct usba_udc *udc = ep->udc;
-+
-+ WARN_ON(!list_empty(&req->queue));
+
-+ if (req->req.status == -EINPROGRESS)
-+ req->req.status = status;
++ spin_lock_irqsave(&udc->lock, flags);
+
-+ if (req->mapped) {
-+ dma_unmap_single(
-+ &udc->pdev->dev, req->req.dma, req->req.length,
-+ ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-+ req->req.dma = DMA_ADDR_INVALID;
-+ req->mapped = 0;
++ /*
++ * We can't halt IN endpoints while there are still data to be
++ * transferred
++ */
++ if (!list_empty(&ep->queue)
++ || ((value && ep->is_in && (usba_ep_readl(ep, STA)
++ & USBA_BF(BUSY_BANKS, -1L))))) {
++ ret = -EAGAIN;
++ } else {
++ if (value)
++ usba_ep_writel(ep, SET_STA, USBA_FORCE_STALL);
++ else
++ usba_ep_writel(ep, CLR_STA,
++ USBA_FORCE_STALL | USBA_TOGGLE_CLR);
++ usba_ep_readl(ep, STA);
+ }
+
-+ DBG(DBG_GADGET | DBG_REQ,
-+ "%s: req %p complete: status %d, actual %u\n",
-+ ep_name(ep), req, req->req.status, req->req.actual);
-+ req->req.complete(&ep->ep, &req->req);
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ return ret;
+}
+
-+static void request_complete_list(struct usba_ep *ep,
-+ struct list_head *list,
-+ int status)
++static int usba_ep_fifo_status(struct usb_ep *_ep)
+{
-+ struct usba_request *req, *tmp_req;
++ struct usba_ep *ep = to_usba_ep(_ep);
+
-+ list_for_each_entry_safe(req, tmp_req, list, queue) {
-+ list_del_init(&req->queue);
-+ request_complete(ep, req, status);
-+ }
++ return USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA));
+}
+
-+static int usba_ep_enable(struct usb_ep *_ep,
-+ const struct usb_endpoint_descriptor *desc)
++static void usba_ep_fifo_flush(struct usb_ep *_ep)
+{
+ struct usba_ep *ep = to_usba_ep(_ep);
+ struct usba_udc *udc = ep->udc;
-+ unsigned long flags, ept_cfg, maxpacket;
+
-+ DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep_name(ep), desc);
-+
-+ maxpacket = le16_to_cpu(desc->wMaxPacketSize);
++ usba_writel(udc, EPT_RST, 1 << ep->index);
++}
+
-+ if (ep->index == 0
-+ || desc->bDescriptorType != USB_DT_ENDPOINT
-+ || ((desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)
-+ != ep->index)
-+ || maxpacket == 0
-+ || maxpacket > ep->fifo_size) {
-+ DBG(DBG_ERR, "ep_enable: Invalid argument");
-+ return -EINVAL;
-+ }
++static const struct usb_ep_ops usba_ep_ops = {
++ .enable = usba_ep_enable,
++ .disable = usba_ep_disable,
++ .alloc_request = usba_ep_alloc_request,
++ .free_request = usba_ep_free_request,
++ .queue = usba_ep_queue,
++ .dequeue = usba_ep_dequeue,
++ .set_halt = usba_ep_set_halt,
++ .fifo_status = usba_ep_fifo_status,
++ .fifo_flush = usba_ep_fifo_flush,
++};
+
-+ ep->is_isoc = 0;
-+ ep->is_in = 0;
++static int usba_udc_get_frame(struct usb_gadget *gadget)
++{
++ struct usba_udc *udc = to_usba_udc(gadget);
+
-+ if ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
-+ == USB_ENDPOINT_XFER_ISOC) {
-+ if (!ep->can_isoc) {
-+ DBG(DBG_ERR, "ep_enable: %s is not isoc capable\n",
-+ ep_name(ep));
-+ return -EINVAL;
-+ }
-+ ep->is_isoc = 1;
-+ }
++ return USBA_BFEXT(FRAME_NUMBER, usba_readl(udc, FNUM));
++}
+
-+ if (maxpacket <= 8)
-+ ept_cfg = USBA_BF(EPT_SIZE, USBA_EPT_SIZE_8);
-+ else
-+ /* LSB is bit 1, not 0 */
-+ ept_cfg = USBA_BF(EPT_SIZE, fls(maxpacket - 1) - 3);
-+ DBG(DBG_HW, "%s: EPT_SIZE = %lu (maxpacket = %lu)\n",
-+ ep_name(ep), ept_cfg, maxpacket);
++static const struct usb_gadget_ops usba_udc_ops = {
++ .get_frame = usba_udc_get_frame,
++};
+
-+ if ((desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
-+ ep->is_in = 1;
-+ ept_cfg |= USBA_BIT(EPT_DIR);
-+ }
++#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
++{ \
++ .ep = { \
++ .ops = &usba_ep_ops, \
++ .name = nam, \
++ .maxpacket = maxpkt, \
++ }, \
++ .udc = &the_udc, \
++ .queue = LIST_HEAD_INIT(usba_ep[idx].queue), \
++ .fifo_size = maxpkt, \
++ .nr_banks = maxbk, \
++ .index = idx, \
++ .can_dma = dma, \
++ .can_isoc = isoc, \
++}
+
-+ switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
-+ case USB_ENDPOINT_XFER_CONTROL:
-+ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL);
-+ break;
-+ case USB_ENDPOINT_XFER_ISOC:
-+ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_ISO);
-+ break;
-+ case USB_ENDPOINT_XFER_BULK:
-+ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK);
-+ break;
-+ case USB_ENDPOINT_XFER_INT:
-+ ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_INT);
-+ break;
-+ }
-+ ept_cfg |= USBA_BF(BK_NUMBER, ep->nr_banks);
++static struct usba_ep usba_ep[] = {
++ EP("ep0", 0, 64, 1, 0, 0),
++ EP("ep1in-bulk", 1, 512, 2, 1, 1),
++ EP("ep2out-bulk", 2, 512, 2, 1, 1),
++ EP("ep3in-int", 3, 64, 3, 1, 0),
++ EP("ep4out-int", 4, 64, 3, 1, 0),
++ EP("ep5in-iso", 5, 1024, 3, 1, 1),
++ EP("ep6out-iso", 6, 1024, 3, 1, 1),
++};
++#undef EP
+
-+ spin_lock_irqsave(&ep->udc->lock, flags);
++static struct usb_endpoint_descriptor usba_ep0_desc = {
++ .bLength = USB_DT_ENDPOINT_SIZE,
++ .bDescriptorType = USB_DT_ENDPOINT,
++ .bEndpointAddress = 0,
++ .bmAttributes = USB_ENDPOINT_XFER_CONTROL,
++ .wMaxPacketSize = __constant_cpu_to_le16(64),
++ /* FIXME: I have no idea what to put here */
++ .bInterval = 1,
++};
+
-+ if (ep->desc) {
-+ spin_unlock_irqrestore(&ep->udc->lock, flags);
-+ DBG(DBG_ERR, "ep%d already enabled\n", ep->index);
-+ return -EBUSY;
-+ }
++static void nop_release(struct device *dev)
++{
+
-+ ep->desc = desc;
-+ ep->ep.maxpacket = maxpacket;
++}
+
-+ usba_ep_writel(ep, CFG, ept_cfg);
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE));
++static struct usba_udc the_udc = {
++ .gadget = {
++ .ops = &usba_udc_ops,
++ .ep0 = &usba_ep[0].ep,
++ .ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list),
++ .is_dualspeed = 1,
++ .name = "atmel_usba_udc",
++ .dev = {
++ .bus_id = "gadget",
++ .release = nop_release,
++ },
++ },
+
-+ if (ep_can_dma(ep)) {
-+ u32 ctrl;
++ .lock = SPIN_LOCK_UNLOCKED,
++};
+
-+ usba_writel(udc, INT_ENB,
-+ (usba_readl(udc, INT_ENB)
-+ | USBA_BF(EPT_INT, 1 << ep->index)
-+ | USBA_BF(DMA_INT, 1 << ep->index)));
-+ ctrl = USBA_BIT(AUTO_VALID) | USBA_BIT(INTDIS_DMA);
-+ usba_ep_writel(ep, CTL_ENB, ctrl);
-+ } else {
-+ usba_writel(udc, INT_ENB,
-+ (usba_readl(udc, INT_ENB)
-+ | USBA_BF(EPT_INT, 1 << ep->index)));
-+ }
++/*
++ * Called with interrupts disabled and udc->lock held.
++ */
++static void reset_all_endpoints(struct usba_udc *udc)
++{
++ struct usba_ep *ep;
++ struct usba_request *req, *tmp_req;
+
-+ spin_unlock_irqrestore(&udc->lock, flags);
++ usba_writel(udc, EPT_RST, ~0UL);
+
-+ DBG(DBG_HW, "EPT_CFG%d after init: %#08lx\n", ep->index,
-+ (unsigned long)usba_ep_readl(ep, CFG));
-+ DBG(DBG_HW, "INT_ENB after init: %#08lx\n",
-+ (unsigned long)usba_readl(udc, INT_ENB));
++ ep = to_usba_ep(udc->gadget.ep0);
++ list_for_each_entry_safe(req, tmp_req, &ep->queue, queue) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, -ECONNRESET);
++ }
+
-+ return 0;
++ list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
++ if (ep->desc)
++ usba_ep_disable(&ep->ep);
++ }
+}
+
-+static int usba_ep_disable(struct usb_ep *_ep)
++static struct usba_ep *get_ep_by_addr(struct usba_udc *udc, u16 wIndex)
+{
-+ struct usba_ep *ep = to_usba_ep(_ep);
-+ struct usba_udc *udc = ep->udc;
-+ LIST_HEAD(req_list);
-+ unsigned long flags;
-+
-+ DBG(DBG_GADGET, "ep_disable: %s\n", ep_name(ep));
++ struct usba_ep *ep;
+
-+ spin_lock_irqsave(&udc->lock, flags);
++ if ((wIndex & USB_ENDPOINT_NUMBER_MASK) == 0)
++ return to_usba_ep(udc->gadget.ep0);
+
-+ if (!ep->desc) {
-+ spin_unlock_irqrestore(&udc->lock, flags);
-+ DBG(DBG_ERR, "ep_disable: %s not enabled\n",
-+ ep_name(ep));
-+ return -EINVAL;
-+ }
-+ ep->desc = NULL;
++ list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) {
++ u8 bEndpointAddress;
+
-+ list_splice_init(&ep->queue, &req_list);
-+ if (ep_can_dma(ep)) {
-+ usba_dma_writel(ep, CONTROL, 0);
-+ usba_dma_writel(ep, ADDRESS, 0);
-+ usba_dma_readl(ep, STATUS);
++ if (!ep->desc)
++ continue;
++ bEndpointAddress = ep->desc->bEndpointAddress;
++ if ((wIndex ^ bEndpointAddress) & USB_DIR_IN)
++ continue;
++ if ((bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)
++ == (wIndex & USB_ENDPOINT_NUMBER_MASK))
++ return ep;
+ }
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(EPT_ENABLE));
-+ usba_writel(udc, INT_ENB, (usba_readl(udc, INT_ENB)
-+ & ~USBA_BF(EPT_INT, 1 << ep->index)));
+
-+ spin_unlock_irqrestore(&udc->lock, flags);
++ return NULL;
++}
+
-+ request_complete_list(ep, &req_list, -ESHUTDOWN);
++/* Called with interrupts disabled and udc->lock held */
++static inline void set_protocol_stall(struct usba_udc *udc, struct usba_ep *ep)
++{
++ usba_ep_writel(ep, SET_STA, USBA_FORCE_STALL);
++ ep->state = WAIT_FOR_SETUP;
++}
+
++static inline int is_stalled(struct usba_udc *udc, struct usba_ep *ep)
++{
++ if (usba_ep_readl(ep, STA) & USBA_FORCE_STALL)
++ return 1;
+ return 0;
+}
+
-+static struct usb_request *
-+usba_ep_alloc_request(struct usb_ep *_ep, unsigned gfp_flags)
++static inline void set_address(struct usba_udc *udc, unsigned int addr)
+{
-+ struct usba_request *req;
++ u32 regval;
+
-+ DBG(DBG_GADGET, "ep_alloc_request: %p, 0x%x\n", _ep, gfp_flags);
-+
-+ req = kzalloc(sizeof(*req), gfp_flags);
-+ if (!req)
-+ return NULL;
-+
-+ INIT_LIST_HEAD(&req->queue);
-+ req->req.dma = DMA_ADDR_INVALID;
-+
-+ return &req->req;
++ DBG(DBG_BUS, "setting address %u...\n", addr);
++ regval = usba_readl(udc, CTRL);
++ regval = USBA_BFINS(DEV_ADDR, addr, regval);
++ usba_writel(udc, CTRL, regval);
+}
+
-+static void
-+usba_ep_free_request(struct usb_ep *_ep, struct usb_request *_req)
++static int do_test_mode(struct usba_udc *udc)
+{
-+ struct usba_request *req = to_usba_req(_req);
-+
-+ DBG(DBG_GADGET, "ep_free_request: %p, %p\n", _ep, _req);
++ static const char test_packet_buffer[] = {
++ /* JKJKJKJK * 9 */
++ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
++ /* JJKKJJKK * 8 */
++ 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
++ /* JJKKJJKK * 8 */
++ 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE,
++ /* JJJJJJJKKKKKKK * 8 */
++ 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
++ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
++ /* JJJJJJJK * 8 */
++ 0x7F, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD,
++ /* {JKKKKKKK * 10}, JK */
++ 0xFC, 0x7E, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD, 0x7E
++ };
++ struct usba_ep *ep;
++ struct device *dev = &udc->pdev->dev;
++ int test_mode;
+
-+ kfree(req);
-+}
++ test_mode = udc->test_mode;
+
-+static void *usba_ep_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
-+ dma_addr_t *dma, unsigned gfp_flags)
-+{
-+ void *buf;
++ /* Start from a clean slate */
++ reset_all_endpoints(udc);
+
-+ if (bytes < L1_CACHE_BYTES)
-+ bytes = L1_CACHE_BYTES;
++ switch (test_mode) {
++ case 0x0100:
++ /* Test_J */
++ usba_writel(udc, TST, USBA_TST_J_MODE);
++ dev_info(dev, "Entering Test_J mode...\n");
++ break;
++ case 0x0200:
++ /* Test_K */
++ usba_writel(udc, TST, USBA_TST_K_MODE);
++ dev_info(dev, "Entering Test_K mode...\n");
++ break;
++ case 0x0300:
++ /*
++ * Test_SE0_NAK: Force high-speed mode and set up ep0
++ * for Bulk IN transfers
++ */
++ ep = &usba_ep[0];
++ usba_writel(udc, TST,
++ USBA_BF(SPEED_CFG, USBA_SPEED_CFG_FORCE_HIGH));
++ usba_ep_writel(ep, CFG,
++ USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64)
++ | USBA_EPT_DIR_IN
++ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK)
++ | USBA_BF(BK_NUMBER, 1));
++ if (!(usba_ep_readl(ep, CFG) & USBA_EPT_MAPPED)) {
++ set_protocol_stall(udc, ep);
++ dev_err(dev, "Test_SE0_NAK: ep0 not mapped\n");
++ } else {
++ usba_ep_writel(ep, CTL_ENB, USBA_EPT_ENABLE);
++ dev_info(dev, "Entering Test_SE0_NAK mode...\n");
++ }
++ break;
++ case 0x0400:
++ /* Test_Packet */
++ ep = &usba_ep[0];
++ usba_ep_writel(ep, CFG,
++ USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64)
++ | USBA_EPT_DIR_IN
++ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK)
++ | USBA_BF(BK_NUMBER, 1));
++ if (!(usba_ep_readl(ep, CFG) & USBA_EPT_MAPPED)) {
++ set_protocol_stall(udc, ep);
++ dev_err(dev, "Test_Packet: ep0 not mapped\n");
++ } else {
++ usba_ep_writel(ep, CTL_ENB, USBA_EPT_ENABLE);
++ usba_writel(udc, TST, USBA_TST_PKT_MODE);
++ copy_to_fifo(ep->fifo, test_packet_buffer,
++ sizeof(test_packet_buffer));
++ usba_ep_writel(ep, SET_STA, USBA_TX_PK_RDY);
++ dev_info(dev, "Entering Test_Packet mode...\n");
++ }
++ break;
++ default:
++ dev_err(dev, "Invalid test mode: 0x%04x\n", test_mode);
++ return -EINVAL;
++ }
+
-+ buf = kmalloc(bytes, gfp_flags);
++ return 0;
++}
+
-+ /*
-+ * Seems like we have to map the buffer any chance we get.
-+ * ether.c wants us to initialize the dma member of a
-+ * different request than the one receiving the buffer, so one
-+ * never knows...
-+ *
-+ * Ah, screw it. The ether driver is probably wrong, and this
-+ * is not the right place to do the mapping. The driver
-+ * shouldn't mess with our DMA mappings anyway.
-+ */
-+ *dma = DMA_ADDR_INVALID;
++/* Avoid overly long expressions */
++static inline bool feature_is_dev_remote_wakeup(struct usb_ctrlrequest *crq)
++{
++ if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_REMOTE_WAKEUP))
++ return true;
++ return false;
++}
+
-+ return buf;
++static inline bool feature_is_dev_test_mode(struct usb_ctrlrequest *crq)
++{
++ if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_TEST_MODE))
++ return true;
++ return false;
+}
+
-+static void usba_ep_free_buffer(struct usb_ep *_ep, void *buf,
-+ dma_addr_t dma, unsigned bytes)
++static inline bool feature_is_ep_halt(struct usb_ctrlrequest *crq)
+{
-+ DBG(DBG_GADGET, "ep_free_buffer: %s, buf %p (size %u)\n",
-+ _ep->name, buf, bytes);
-+ kfree(buf);
++ if (crq->wValue == __constant_cpu_to_le16(USB_ENDPOINT_HALT))
++ return true;
++ return false;
+}
+
-+static int queue_dma(struct usba_udc *udc, struct usba_ep *ep,
-+ struct usba_request *req, gfp_t gfp_flags)
++static int handle_ep0_setup(struct usba_udc *udc, struct usba_ep *ep,
++ struct usb_ctrlrequest *crq)
+{
-+ unsigned long flags;
-+ int ret;
++ int retval = 0;;
+
-+ DBG(DBG_DMA, "%s: req l/%u d/%08x %c%c%c\n",
-+ ep_name(ep), req->req.length, req->req.dma,
-+ req->req.zero ? 'Z' : 'z',
-+ req->req.short_not_ok ? 'S' : 's',
-+ req->req.no_interrupt ? 'I' : 'i');
++ switch (crq->bRequest) {
++ case USB_REQ_GET_STATUS: {
++ u16 status;
+
-+ if (req->req.length > 0x10000) {
-+ /* Lengths from 0 to 65536 (inclusive) are supported */
-+ DBG(DBG_ERR, "invalid request length %u\n", req->req.length);
-+ return -EINVAL;
-+ }
++ if (crq->bRequestType == (USB_DIR_IN | USB_RECIP_DEVICE)) {
++ /* Self-powered, no remote wakeup */
++ status = __constant_cpu_to_le16(1 << 0);
++ } else if (crq->bRequestType
++ == (USB_DIR_IN | USB_RECIP_INTERFACE)) {
++ status = __constant_cpu_to_le16(0);
++ } else if (crq->bRequestType
++ == (USB_DIR_IN | USB_RECIP_ENDPOINT)) {
++ struct usba_ep *target;
+
-+ req->using_dma = 1;
++ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
++ if (!target)
++ goto stall;
+
-+ if (req->req.dma == DMA_ADDR_INVALID) {
-+ req->req.dma = dma_map_single(
-+ &udc->pdev->dev, req->req.buf, req->req.length,
-+ ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-+ req->mapped = 1;
-+ } else {
-+ dma_sync_single_for_device(
-+ &udc->pdev->dev, req->req.dma, req->req.length,
-+ ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-+ req->mapped = 0;
++ status = 0;
++ if (is_stalled(udc, target))
++ status |= __constant_cpu_to_le16(1);
++ } else
++ goto delegate;
++
++ /* Write directly to the FIFO. No queueing is done. */
++ if (crq->wLength != __constant_cpu_to_le16(sizeof(status)))
++ goto stall;
++ ep->state = DATA_STAGE_IN;
++ __raw_writew(status, ep->fifo);
++ usba_ep_writel(ep, SET_STA, USBA_TX_PK_RDY);
++ break;
+ }
+
-+ req->ctrl = (USBA_BF(DMA_BUF_LEN, req->req.length)
-+ | USBA_BIT(DMA_CH_EN) | USBA_BIT(DMA_END_BUF_IE)
-+ | USBA_BIT(DMA_END_TR_EN) | USBA_BIT(DMA_END_TR_IE));
++ case USB_REQ_CLEAR_FEATURE: {
++ if (crq->bRequestType == USB_RECIP_DEVICE) {
++ if (feature_is_dev_remote_wakeup(crq)) {
++ /* TODO: Handle REMOTE_WAKEUP */
++ } else {
++ /* Can't CLEAR_FEATURE TEST_MODE */
++ goto stall;
++ }
++ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) {
++ struct usba_ep *target;
+
-+ if (ep_is_in(ep))
-+ req->ctrl |= USBA_BIT(DMA_END_BUF_EN);
++ if (crq->wLength != __constant_cpu_to_le16(0)
++ || !feature_is_ep_halt(crq))
++ goto stall;
++ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
++ if (!target)
++ goto stall;
+
-+ /*
-+ * Add this request to the queue and submit for DMA if
-+ * possible. Check if we're still alive first -- we may have
-+ * received a reset since last time we checked.
-+ */
-+ ret = -ESHUTDOWN;
-+ spin_lock_irqsave(&udc->lock, flags);
-+ if (ep->desc) {
-+ if (list_empty(&ep->queue))
-+ submit_request(ep, req);
++ usba_ep_writel(target, CLR_STA, USBA_FORCE_STALL);
++ if (target->index != 0)
++ usba_ep_writel(target, CLR_STA,
++ USBA_TOGGLE_CLR);
++ } else {
++ goto delegate;
++ }
+
-+ list_add_tail(&req->queue, &ep->queue);
-+ ret = 0;
++ send_status(udc, ep);
++ break;
+ }
-+ spin_unlock_irqrestore(&udc->lock, flags);
-+
-+ return ret;
-+}
+
-+static int usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
-+ gfp_t gfp_flags)
-+{
-+ struct usba_request *req = to_usba_req(_req);
-+ struct usba_ep *ep = to_usba_ep(_ep);
-+ struct usba_udc *udc = ep->udc;
-+ unsigned long flags;
-+ int ret;
++ case USB_REQ_SET_FEATURE: {
++ if (crq->bRequestType == USB_RECIP_DEVICE) {
++ if (feature_is_dev_test_mode(crq)) {
++ send_status(udc, ep);
++ ep->state = STATUS_STAGE_TEST;
++ udc->test_mode = le16_to_cpu(crq->wIndex);
++ return 0;
++ } else if (feature_is_dev_remote_wakeup(crq)) {
++ /* TODO: Handle REMOTE_WAKEUP */
++ } else {
++ goto stall;
++ }
++ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) {
++ struct usba_ep *target;
+
-+ DBG(DBG_GADGET | DBG_QUEUE | DBG_REQ,
-+ "%s: queue req %p, len %u\n", ep_name(ep), req, _req->length);
++ if (crq->wLength != __constant_cpu_to_le16(0)
++ || !feature_is_ep_halt(crq))
++ goto stall;
+
-+ if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN
-+ || !ep->desc)
-+ return -ESHUTDOWN;
++ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
++ if (!target)
++ goto stall;
+
-+ req->submitted = 0;
-+ req->using_dma = 0;
-+ req->last_transaction = 0;
++ usba_ep_writel(target, SET_STA, USBA_FORCE_STALL);
++ } else
++ goto delegate;
+
-+ _req->status = -EINPROGRESS;
-+ _req->actual = 0;
++ send_status(udc, ep);
++ break;
++ }
+
-+ if (ep_can_dma(ep))
-+ return queue_dma(udc, ep, req, gfp_flags);
++ case USB_REQ_SET_ADDRESS:
++ if (crq->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE))
++ goto delegate;
+
-+ /* May have received a reset since last time we checked */
-+ ret = -ESHUTDOWN;
-+ spin_lock_irqsave(&udc->lock, flags);
-+ if (ep->desc) {
-+ list_add_tail(&req->queue, &ep->queue);
++ set_address(udc, le16_to_cpu(crq->wValue));
++ send_status(udc, ep);
++ ep->state = STATUS_STAGE_ADDR;
++ break;
+
-+ if (ep_is_in(ep)
-+ || (ep_is_control(ep)
-+ && (ep->state == DATA_STAGE_IN
-+ || ep->state == STATUS_STAGE_IN)))
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY));
-+ else
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(RX_BK_RDY));
-+ ret = 0;
++ default:
++delegate:
++ spin_unlock(&udc->lock);
++ retval = udc->driver->setup(&udc->gadget, crq);
++ spin_lock(&udc->lock);
+ }
-+ spin_unlock_irqrestore(&udc->lock, flags);
+
-+ return ret;
-+}
++ return retval;
+
-+static void usba_update_req(struct usba_ep *ep, struct usba_request *req,
-+ u32 status)
-+{
-+ req->req.actual = req->req.length - USBA_BFEXT(DMA_BUF_LEN, status);
++stall:
++ printk(KERN_ERR
++ "udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, "
++ "halting endpoint...\n",
++ ep->ep.name, crq->bRequestType, crq->bRequest,
++ le16_to_cpu(crq->wValue), le16_to_cpu(crq->wIndex),
++ le16_to_cpu(crq->wLength));
++ set_protocol_stall(udc, ep);
++ return -1;
+}
+
-+static int stop_dma(struct usba_ep *ep, u32 *pstatus)
++static void usba_control_irq(struct usba_udc *udc, struct usba_ep *ep)
+{
-+ unsigned int timeout;
-+ u32 status;
++ struct usba_request *req;
++ u32 epstatus;
++ u32 epctrl;
+
-+ /*
-+ * Stop the DMA controller. When writing both CH_EN
-+ * and LINK to 0, the other bits are not affected.
-+ */
-+ usba_dma_writel(ep, CONTROL, 0);
++restart:
++ epstatus = usba_ep_readl(ep, STA);
++ epctrl = usba_ep_readl(ep, CTL);
+
-+ /* Wait for the FIFO to empty */
-+ for (timeout = 40; timeout; --timeout) {
-+ status = usba_dma_readl(ep, STATUS);
-+ if (!(status & USBA_BIT(DMA_CH_EN)))
-+ break;
-+ udelay(1);
++ DBG(DBG_INT, "%s [%d]: s/%08x c/%08x\n",
++ ep->ep.name, ep->state, epstatus, epctrl);
++
++ req = NULL;
++ if (!list_empty(&ep->queue))
++ req = list_entry(ep->queue.next,
++ struct usba_request, queue);
++
++ if ((epctrl & USBA_TX_PK_RDY) && !(epstatus & USBA_TX_PK_RDY)) {
++ if (req->submitted)
++ next_fifo_transaction(ep, req);
++ else
++ submit_request(ep, req);
++
++ if (req->last_transaction) {
++ usba_ep_writel(ep, CTL_DIS, USBA_TX_PK_RDY);
++ usba_ep_writel(ep, CTL_ENB, USBA_TX_COMPLETE);
++ }
++ goto restart;
+ }
++ if ((epstatus & epctrl) & USBA_TX_COMPLETE) {
++ usba_ep_writel(ep, CLR_STA, USBA_TX_COMPLETE);
+
-+ if (pstatus)
-+ *pstatus = status;
++ switch (ep->state) {
++ case DATA_STAGE_IN:
++ usba_ep_writel(ep, CTL_ENB, USBA_RX_BK_RDY);
++ usba_ep_writel(ep, CTL_DIS, USBA_TX_COMPLETE);
++ ep->state = STATUS_STAGE_OUT;
++ break;
++ case STATUS_STAGE_ADDR:
++ /* Activate our new address */
++ usba_writel(udc, CTRL, (usba_readl(udc, CTRL)
++ | USBA_FADDR_EN));
++ usba_ep_writel(ep, CTL_DIS, USBA_TX_COMPLETE);
++ ep->state = WAIT_FOR_SETUP;
++ break;
++ case STATUS_STAGE_IN:
++ if (req) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, 0);
++ submit_next_request(ep);
++ }
++ usba_ep_writel(ep, CTL_DIS, USBA_TX_COMPLETE);
++ ep->state = WAIT_FOR_SETUP;
++ break;
++ case STATUS_STAGE_TEST:
++ usba_ep_writel(ep, CTL_DIS, USBA_TX_COMPLETE);
++ ep->state = WAIT_FOR_SETUP;
++ if (do_test_mode(udc))
++ set_protocol_stall(udc, ep);
++ break;
++ default:
++ printk(KERN_ERR
++ "udc: %s: TXCOMP: Invalid endpoint state %d, "
++ "halting endpoint...\n",
++ ep->ep.name, ep->state);
++ set_protocol_stall(udc, ep);
++ break;
++ }
+
-+ if (timeout == 0) {
-+ dev_err(&ep->udc->pdev->dev,
-+ "%s: timed out waiting for DMA FIFO to empty\n",
-+ ep_name(ep));
-+ return -ETIMEDOUT;
++ goto restart;
+ }
++ if ((epstatus & epctrl) & USBA_RX_BK_RDY) {
++ switch (ep->state) {
++ case STATUS_STAGE_OUT:
++ usba_ep_writel(ep, CLR_STA, USBA_RX_BK_RDY);
++ usba_ep_writel(ep, CTL_DIS, USBA_RX_BK_RDY);
+
-+ return 0;
-+}
++ if (req) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, 0);
++ }
++ ep->state = WAIT_FOR_SETUP;
++ break;
+
-+static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
-+{
-+ struct usba_ep *ep = to_usba_ep(_ep);
-+ struct usba_udc *udc = ep->udc;
-+ struct usba_request *req = to_usba_req(_req);
-+ unsigned long flags;
-+ u32 status;
++ case DATA_STAGE_OUT:
++ receive_data(ep);
++ break;
+
-+ DBG(DBG_GADGET | DBG_QUEUE, "ep_dequeue: %s, req %p\n",
-+ ep_name(ep), req);
++ default:
++ usba_ep_writel(ep, CLR_STA, USBA_RX_BK_RDY);
++ usba_ep_writel(ep, CTL_DIS, USBA_RX_BK_RDY);
++ printk(KERN_ERR
++ "udc: %s: RXRDY: Invalid endpoint state %d, "
++ "halting endpoint...\n",
++ ep->ep.name, ep->state);
++ set_protocol_stall(udc, ep);
++ break;
++ }
+
-+ spin_lock_irqsave(&udc->lock, flags);
++ goto restart;
++ }
++ if (epstatus & USBA_RX_SETUP) {
++ union {
++ struct usb_ctrlrequest crq;
++ unsigned long data[2];
++ } crq;
++ unsigned int pkt_len;
++ int ret;
+
-+ if (req->using_dma) {
-+ /*
-+ * If this request is currently being transferred,
-+ * stop the DMA controller and reset the FIFO.
-+ */
-+ if (ep->queue.next == &req->queue) {
-+ status = usba_dma_readl(ep, STATUS);
-+ if (status & USBA_BIT(DMA_CH_EN))
-+ stop_dma(ep, &status);
++ if (ep->state != WAIT_FOR_SETUP) {
++ /*
++ * Didn't expect a SETUP packet at this
++ * point. Clean up any pending requests (which
++ * may be successful).
++ */
++ int status = -EPROTO;
+
-+#ifdef CONFIG_DEBUG_FS
-+ ep->last_dma_status = status;
-+#endif
++ /*
++ * RXRDY and TXCOMP are dropped when SETUP
++ * packets arrive. Just pretend we received
++ * the status packet.
++ */
++ if (ep->state == STATUS_STAGE_OUT
++ || ep->state == STATUS_STAGE_IN) {
++ usba_ep_writel(ep, CTL_DIS, USBA_RX_BK_RDY);
++ status = 0;
++ }
+
-+ usba_writel(udc, EPT_RST,
-+ 1 << ep_index(ep));
++ if (req) {
++ list_del_init(&req->queue);
++ request_complete(ep, req, status);
++ }
++ }
+
-+ usba_update_req(ep, req, status);
++ pkt_len = USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA));
++ DBG(DBG_HW, "Packet length: %u\n", pkt_len);
++ if (pkt_len != sizeof(crq)) {
++ printk(KERN_WARNING "udc: Invalid packet length %u "
++ "(expected %lu)\n", pkt_len, sizeof(crq));
++ set_protocol_stall(udc, ep);
++ return;
+ }
-+ }
+
-+ /*
-+ * Errors should stop the queue from advancing until the
-+ * completion function returns.
-+ */
-+ list_del_init(&req->queue);
-+ spin_unlock_irqrestore(&udc->lock, flags);
++ DBG(DBG_FIFO, "Copying ctrl request from 0x%p:\n", ep->fifo);
++ copy_from_fifo(crq.data, ep->fifo, sizeof(crq));
+
-+ request_complete(ep, req, -ECONNRESET);
++ /* Free up one bank in the FIFO so that we can
++ * generate or receive a reply right away. */
++ usba_ep_writel(ep, CLR_STA, USBA_RX_SETUP);
+
-+ /* Process the next request if any */
-+ spin_lock_irqsave(&udc->lock, flags);
-+ submit_next_request(ep);
-+ spin_unlock_irqrestore(&udc->lock, flags);
++ /* printk(KERN_DEBUG "setup: %d: %02x.%02x\n",
++ ep->state, crq.crq.bRequestType,
++ crq.crq.bRequest); */
+
-+ return 0;
++ if (crq.crq.bRequestType & USB_DIR_IN) {
++ /*
++ * The USB 2.0 spec states that "if wLength is
++ * zero, there is no data transfer phase."
++ * However, testusb #14 seems to actually
++ * expect a data phase even if wLength = 0...
++ */
++ ep->state = DATA_STAGE_IN;
++ } else {
++ if (crq.crq.wLength != __constant_cpu_to_le16(0))
++ ep->state = DATA_STAGE_OUT;
++ else
++ ep->state = STATUS_STAGE_IN;
++ }
++
++ ret = -1;
++ if (ep->index == 0)
++ ret = handle_ep0_setup(udc, ep, &crq.crq);
++ else {
++ spin_unlock(&udc->lock);
++ ret = udc->driver->setup(&udc->gadget, &crq.crq);
++ spin_lock(&udc->lock);
++ }
++
++ DBG(DBG_BUS, "req %02x.%02x, length %d, state %d, ret %d\n",
++ crq.crq.bRequestType, crq.crq.bRequest,
++ le16_to_cpu(crq.crq.wLength), ep->state, ret);
++
++ if (ret < 0) {
++ /* Let the host know that we failed */
++ set_protocol_stall(udc, ep);
++ }
++ }
+}
+
-+static int usba_ep_set_halt(struct usb_ep *_ep, int value)
++static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep)
+{
-+ struct usba_ep *ep = to_usba_ep(_ep);
-+ struct usba_udc *udc = ep->udc;
-+ unsigned long flags;
-+ int ret = 0;
++ struct usba_request *req;
++ u32 epstatus;
++ u32 epctrl;
+
-+ DBG(DBG_GADGET, "endpoint %s: %s HALT\n", ep_name(ep),
-+ value ? "set" : "clear");
++ epstatus = usba_ep_readl(ep, STA);
++ epctrl = usba_ep_readl(ep, CTL);
+
-+ if (!ep->desc) {
-+ DBG(DBG_ERR, "Attempted to halt uninitialized ep %s\n",
-+ ep_name(ep));
-+ return -ENODEV;
-+ }
-+ if (ep_is_isochronous(ep)) {
-+ DBG(DBG_ERR, "Attempted to halt isochronous ep %s\n",
-+ ep_name(ep));
-+ return -ENOTTY;
-+ }
++ DBG(DBG_INT, "%s: interrupt, status: 0x%08x\n", ep->ep.name, epstatus);
+
-+ spin_lock_irqsave(&udc->lock, flags);
++ while ((epctrl & USBA_TX_PK_RDY) && !(epstatus & USBA_TX_PK_RDY)) {
++ DBG(DBG_BUS, "%s: TX PK ready\n", ep->ep.name);
+
-+ /*
-+ * We can't halt IN endpoints while there are still data to be
-+ * transferred
-+ */
-+ if (!list_empty(&ep->queue)
-+ || ((value && ep_is_in(ep)
-+ && (usba_ep_readl(ep, STA)
-+ & USBA_BF(BUSY_BANKS, -1L))))) {
-+ ret = -EAGAIN;
-+ } else {
-+ if (value)
-+ usba_ep_writel(ep, SET_STA, USBA_BIT(FORCE_STALL));
-+ else
-+ usba_ep_writel(ep, CLR_STA, (USBA_BIT(FORCE_STALL)
-+ | USBA_BIT(TOGGLE_SEQ)));
-+ usba_ep_readl(ep, STA);
-+ }
++ if (list_empty(&ep->queue)) {
++ dev_warn(&udc->pdev->dev, "ep_irq: queue empty\n");
++ usba_ep_writel(ep, CTL_DIS, USBA_TX_PK_RDY);
++ return;
++ }
+
-+ spin_unlock_irqrestore(&udc->lock, flags);
++ req = list_entry(ep->queue.next, struct usba_request, queue);
+
-+ return ret;
-+}
++ if (req->using_dma) {
++ /* Send a zero-length packet */
++ usba_ep_writel(ep, SET_STA,
++ USBA_TX_PK_RDY);
++ usba_ep_writel(ep, CTL_DIS,
++ USBA_TX_PK_RDY);
++ list_del_init(&req->queue);
++ submit_next_request(ep);
++ request_complete(ep, req, 0);
++ } else {
++ if (req->submitted)
++ next_fifo_transaction(ep, req);
++ else
++ submit_request(ep, req);
+
-+static int usba_ep_fifo_status(struct usb_ep *_ep)
-+{
-+ struct usba_ep *ep = to_usba_ep(_ep);
++ if (req->last_transaction) {
++ list_del_init(&req->queue);
++ submit_next_request(ep);
++ request_complete(ep, req, 0);
++ }
++ }
+
-+ return USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA));
++ epstatus = usba_ep_readl(ep, STA);
++ epctrl = usba_ep_readl(ep, CTL);
++ }
++ if ((epstatus & epctrl) & USBA_RX_BK_RDY) {
++ DBG(DBG_BUS, "%s: RX data ready\n", ep->ep.name);
++ receive_data(ep);
++ usba_ep_writel(ep, CLR_STA, USBA_RX_BK_RDY);
++ }
+}
+
-+static void usba_ep_fifo_flush(struct usb_ep *_ep)
++static void usba_dma_irq(struct usba_udc *udc, struct usba_ep *ep)
+{
-+ struct usba_ep *ep = to_usba_ep(_ep);
-+ struct usba_udc *udc = ep->udc;
-+
-+ usba_writel(udc, EPT_RST, 1 << ep->index);
-+}
++ struct usba_request *req;
++ u32 status, control, pending;
+
-+struct usb_ep_ops usba_ep_ops = {
-+ .enable = usba_ep_enable,
-+ .disable = usba_ep_disable,
-+ .alloc_request = usba_ep_alloc_request,
-+ .free_request = usba_ep_free_request,
-+ .alloc_buffer = usba_ep_alloc_buffer,
-+ .free_buffer = usba_ep_free_buffer,
-+ .queue = usba_ep_queue,
-+ .dequeue = usba_ep_dequeue,
-+ .set_halt = usba_ep_set_halt,
-+ .fifo_status = usba_ep_fifo_status,
-+ .fifo_flush = usba_ep_fifo_flush,
-+};
++ status = usba_dma_readl(ep, STATUS);
++ control = usba_dma_readl(ep, CONTROL);
++#ifdef CONFIG_USB_GADGET_DEBUG_FS
++ ep->last_dma_status = status;
++#endif
++ pending = status & control;
++ DBG(DBG_INT | DBG_DMA, "dma irq, s/%#08x, c/%#08x\n", status, control);
+
-+static int usba_udc_get_frame(struct usb_gadget *gadget)
-+{
-+ struct usba_udc *udc = to_usba_udc(gadget);
++ if (status & USBA_DMA_CH_EN) {
++ dev_err(&udc->pdev->dev,
++ "DMA_CH_EN is set after transfer is finished!\n");
++ dev_err(&udc->pdev->dev,
++ "status=%#08x, pending=%#08x, control=%#08x\n",
++ status, pending, control);
+
-+ return USBA_BFEXT(FRAME_NUMBER, usba_readl(udc, FNUM));
-+}
++ /*
++ * try to pretend nothing happened. We might have to
++ * do something here...
++ */
++ }
+
-+struct usb_gadget_ops usba_udc_ops = {
-+ .get_frame = usba_udc_get_frame,
-+};
++ if (list_empty(&ep->queue))
++ /* Might happen if a reset comes along at the right moment */
++ return;
+
-+#define EP(nam, type, idx, dma, isoc) \
-+{ \
-+ .ep = { \
-+ .ops = &usba_ep_ops, \
-+ .name = nam, \
-+ .maxpacket = type##_FIFO_SIZE, \
-+ }, \
-+ .udc = &the_udc, \
-+ .queue = LIST_HEAD_INIT(usba_ep[idx].queue), \
-+ .fifo_size = type##_FIFO_SIZE, \
-+ .nr_banks = type##_NR_BANKS, \
-+ .index = idx, \
-+ .can_dma = dma, \
-+ .can_isoc = isoc, \
++ if (pending & (USBA_DMA_END_TR_ST | USBA_DMA_END_BUF_ST)) {
++ req = list_entry(ep->queue.next, struct usba_request, queue);
++ usba_update_req(ep, req, status);
++
++ list_del_init(&req->queue);
++ submit_next_request(ep);
++ request_complete(ep, req, 0);
++ }
+}
+
-+static struct usba_ep usba_ep[] = {
-+ EP("ep0", EP0, 0, 0, 0),
-+ EP("ep1in-bulk", BULK, 1, 1, 0),
-+ EP("ep2out-bulk", BULK, 2, 1, 0),
-+ EP("ep3in-iso", ISO, 3, 1, 1),
-+ EP("ep4out-iso", ISO, 4, 1, 1),
-+ EP("ep5in-int", INT, 5, 1, 0),
-+ EP("ep6out-int", INT, 6, 1, 0),
-+};
-+#undef EP
++static irqreturn_t usba_udc_irq(int irq, void *devid)
++{
++ struct usba_udc *udc = devid;
++ u32 status;
++ u32 dma_status;
++ u32 ep_status;
+
-+static struct usb_endpoint_descriptor usba_ep0_desc = {
-+ .bLength = USB_DT_ENDPOINT_SIZE,
-+ .bDescriptorType = USB_DT_ENDPOINT,
-+ .bEndpointAddress = 0,
-+ .bmAttributes = USB_ENDPOINT_XFER_CONTROL,
-+ .wMaxPacketSize = __constant_cpu_to_le16(64),
-+ /* FIXME: I have no idea what to put here */
-+ .bInterval = 1,
-+};
++ spin_lock(&udc->lock);
+
-+static void nop_release(struct device *dev)
-+{
++ status = usba_readl(udc, INT_STA);
++ DBG(DBG_INT, "irq, status=%#08x\n", status);
+
-+}
++ if (status & USBA_DET_SUSPEND) {
++ usba_writel(udc, INT_CLR, USBA_DET_SUSPEND);
++ DBG(DBG_BUS, "Suspend detected\n");
++ if (udc->gadget.speed != USB_SPEED_UNKNOWN
++ && udc->driver && udc->driver->suspend) {
++ spin_unlock(&udc->lock);
++ udc->driver->suspend(&udc->gadget);
++ spin_lock(&udc->lock);
++ }
++ }
+
-+static struct usba_udc the_udc = {
-+ .gadget = {
-+ .ops = &usba_udc_ops,
-+ .ep0 = &usba_ep[0].ep,
-+ .ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list),
-+ .is_dualspeed = 1,
-+ .name = "atmel_usba_udc",
-+ .dev = {
-+ .bus_id = "gadget",
-+ .release = nop_release,
-+ },
-+ },
++ if (status & USBA_WAKE_UP) {
++ usba_writel(udc, INT_CLR, USBA_WAKE_UP);
++ DBG(DBG_BUS, "Wake Up CPU detected\n");
++ }
+
-+ .lock = SPIN_LOCK_UNLOCKED,
-+};
++ if (status & USBA_END_OF_RESUME) {
++ usba_writel(udc, INT_CLR, USBA_END_OF_RESUME);
++ DBG(DBG_BUS, "Resume detected\n");
++ if (udc->gadget.speed != USB_SPEED_UNKNOWN
++ && udc->driver && udc->driver->resume) {
++ spin_unlock(&udc->lock);
++ udc->driver->resume(&udc->gadget);
++ spin_lock(&udc->lock);
++ }
++ }
+
-+/*
-+ * Called with interrupts disabled and udc->lock held.
-+ */
-+static void reset_all_endpoints(struct usba_udc *udc)
-+{
-+ struct usba_ep *ep;
-+ struct usba_request *req, *tmp_req;
++ dma_status = USBA_BFEXT(DMA_INT, status);
++ if (dma_status) {
++ int i;
+
-+ usba_writel(udc, EPT_RST, ~0UL);
++ for (i = 1; i < USBA_NR_ENDPOINTS; i++)
++ if (dma_status & (1 << i))
++ usba_dma_irq(udc, &usba_ep[i]);
++ }
+
-+ ep = to_usba_ep(udc->gadget.ep0);
-+ list_for_each_entry_safe(req, tmp_req, &ep->queue, queue) {
-+ list_del_init(&req->queue);
-+ request_complete(ep, req, -ECONNRESET);
++ ep_status = USBA_BFEXT(EPT_INT, status);
++ if (ep_status) {
++ int i;
++
++ for (i = 0; i < USBA_NR_ENDPOINTS; i++)
++ if (ep_status & (1 << i)) {
++ if (ep_is_control(&usba_ep[i]))
++ usba_control_irq(udc, &usba_ep[i]);
++ else
++ usba_ep_irq(udc, &usba_ep[i]);
++ }
+ }
+
-+ list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
-+ if (ep->desc)
-+ usba_ep_disable(&ep->ep);
++ if (status & USBA_END_OF_RESET) {
++ struct usba_ep *ep0;
++
++ usba_writel(udc, INT_CLR, USBA_END_OF_RESET);
++ reset_all_endpoints(udc);
++
++ if (status & USBA_HIGH_SPEED) {
++ DBG(DBG_BUS, "High-speed bus reset detected\n");
++ udc->gadget.speed = USB_SPEED_HIGH;
++ } else {
++ DBG(DBG_BUS, "Full-speed bus reset detected\n");
++ udc->gadget.speed = USB_SPEED_FULL;
++ }
++
++ ep0 = &usba_ep[0];
++ ep0->desc = &usba_ep0_desc;
++ ep0->state = WAIT_FOR_SETUP;
++ usba_ep_writel(ep0, CFG,
++ (USBA_BF(EPT_SIZE, EP0_EPT_SIZE)
++ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL)
++ | USBA_BF(BK_NUMBER, USBA_BK_NUMBER_ONE)));
++ usba_ep_writel(ep0, CTL_ENB,
++ USBA_EPT_ENABLE | USBA_RX_SETUP);
++ usba_writel(udc, INT_ENB,
++ (usba_readl(udc, INT_ENB)
++ | USBA_BF(EPT_INT, 1)
++ | USBA_DET_SUSPEND
++ | USBA_END_OF_RESUME));
++
++ if (!(usba_ep_readl(ep0, CFG) & USBA_EPT_MAPPED))
++ dev_warn(&udc->pdev->dev,
++ "WARNING: EP0 configuration is invalid!\n");
+ }
++
++ spin_unlock(&udc->lock);
++
++ return IRQ_HANDLED;
+}
+
-+static struct usba_ep *get_ep_by_addr(struct usba_udc *udc, u16 wIndex)
++static irqreturn_t usba_vbus_irq(int irq, void *devid)
+{
-+ struct usba_ep *ep;
++ struct usba_udc *udc = devid;
++ int vbus;
+
-+ if ((wIndex & USB_ENDPOINT_NUMBER_MASK) == 0)
-+ return to_usba_ep(udc->gadget.ep0);
++ /* debounce */
++ udelay(10);
+
-+ list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) {
-+ u8 bEndpointAddress;
++ spin_lock(&udc->lock);
+
-+ if (!ep->desc)
-+ continue;
-+ bEndpointAddress = ep->desc->bEndpointAddress;
-+ if ((wIndex ^ bEndpointAddress) & USB_DIR_IN)
-+ continue;
-+ if ((wIndex & USB_ENDPOINT_NUMBER_MASK)
-+ == (bEndpointAddress & USB_ENDPOINT_NUMBER_MASK))
-+ return ep;
++ /* May happen if Vbus pin toggles during probe() */
++ if (!udc->driver)
++ goto out;
++
++ vbus = gpio_get_value(udc->vbus_pin);
++ if (vbus != udc->vbus_prev) {
++ if (vbus) {
++ usba_writel(udc, CTRL, USBA_EN_USBA);
++ usba_writel(udc, INT_ENB, USBA_END_OF_RESET);
++ } else {
++ udc->gadget.speed = USB_SPEED_UNKNOWN;
++ reset_all_endpoints(udc);
++ usba_writel(udc, CTRL, 0);
++ spin_unlock(&udc->lock);
++ udc->driver->disconnect(&udc->gadget);
++ spin_lock(&udc->lock);
++ }
++ udc->vbus_prev = vbus;
+ }
+
-+ return NULL;
-+}
++out:
++ spin_unlock(&udc->lock);
+
-+/* Called with interrupts disabled and udc->lock held */
-+static inline void set_protocol_stall(struct usba_udc *udc,
-+ struct usba_ep *ep)
-+{
-+ usba_ep_writel(ep, SET_STA, USBA_BIT(FORCE_STALL));
-+ ep->state = WAIT_FOR_SETUP;
++ return IRQ_HANDLED;
+}
+
-+static inline int is_stalled(struct usba_udc *udc, struct usba_ep *ep)
++int usb_gadget_register_driver(struct usb_gadget_driver *driver)
+{
-+ if (usba_ep_readl(ep, STA) & USBA_BIT(FORCE_STALL))
-+ return 1;
-+ return 0;
-+}
++ struct usba_udc *udc = &the_udc;
++ unsigned long flags;
++ int ret;
+
-+static inline void set_address(struct usba_udc *udc, unsigned int addr)
-+{
-+ u32 regval;
++ if (!udc->pdev)
++ return -ENODEV;
+
-+ DBG(DBG_BUS, "setting address %u...\n", addr);
-+ regval = usba_readl(udc, CTRL);
-+ regval = USBA_BFINS(DEV_ADDR, addr, regval);
-+ usba_writel(udc, CTRL, regval);
-+}
++ spin_lock_irqsave(&udc->lock, flags);
++ if (udc->driver) {
++ spin_unlock_irqrestore(&udc->lock, flags);
++ return -EBUSY;
++ }
+
-+static int do_test_mode(struct usba_udc *udc)
-+{
-+ static const char test_packet_buffer[] = {
-+ /* JKJKJKJK * 9 */
-+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-+ /* JJKKJJKK * 8 */
-+ 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
-+ /* JJKKJJKK * 8 */
-+ 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE,
-+ /* JJJJJJJKKKKKKK * 8 */
-+ 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-+ /* JJJJJJJK * 8 */
-+ 0x7F, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD,
-+ /* {JKKKKKKK * 10}, JK */
-+ 0xFC, 0x7E, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD, 0x7E
-+ };
-+ struct device *dev = &udc->pdev->dev;
-+ struct usba_ep *ep;
-+ int test_mode;
++ udc->driver = driver;
++ udc->gadget.dev.driver = &driver->driver;
++ spin_unlock_irqrestore(&udc->lock, flags);
+
-+ test_mode = udc->test_mode;
++ clk_enable(udc->pclk);
++ clk_enable(udc->hclk);
+
-+ /* Start from a clean slate */
-+ reset_all_endpoints(udc);
++ ret = driver->bind(&udc->gadget);
++ if (ret) {
++ DBG(DBG_ERR, "Could not bind to driver %s: error %d\n",
++ driver->driver.name, ret);
++ goto err_driver_bind;
++ }
+
-+ switch (test_mode) {
-+ case 0x0100:
-+ /* Test_J */
-+ usba_writel(udc, TST, USBA_BIT(TST_J_MODE));
-+ dev_info(dev, "Entering Test_J mode...\n");
-+ break;
-+ case 0x0200:
-+ /* Test_K */
-+ usba_writel(udc, TST, USBA_BIT(TST_K_MODE));
-+ dev_info(dev, "Entering Test_K mode...\n");
-+ break;
-+ case 0x0300:
-+ /*
-+ * Test_SE0_NAK: Force high-speed mode and set up ep0
-+ * for Bulk IN transfers
-+ */
-+ ep = &usba_ep[0];
-+ usba_writel(udc, TST,
-+ USBA_BF(SPEED_CFG, USBA_SPEED_CFG_FORCE_HIGH));
-+ usba_ep_writel(ep, CFG,
-+ USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64)
-+ | USBA_BIT(EPT_DIR)
-+ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK)
-+ | USBA_BF(BK_NUMBER, 1));
-+ if (!(usba_ep_readl(ep, CFG) & USBA_BIT(EPT_MAPPED))) {
-+ set_protocol_stall(udc, ep);
-+ dev_err(dev, "Test_SE0_NAK: ep0 not mapped\n");
-+ } else {
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE));
-+ dev_info(dev, "Entering Test_SE0_NAK mode...\n");
-+ }
-+ break;
-+ case 0x0400:
-+ /* Test_Packet */
-+ ep = &usba_ep[0];
-+ usba_ep_writel(ep, CFG,
-+ USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64)
-+ | USBA_BIT(EPT_DIR)
-+ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK)
-+ | USBA_BF(BK_NUMBER, 1));
-+ if (!(usba_ep_readl(ep, CFG) & USBA_BIT(EPT_MAPPED))) {
-+ set_protocol_stall(udc, ep);
-+ dev_err(dev, "Test_Packet: ep0 not mapped\n");
-+ } else {
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE));
-+ usba_writel(udc, TST, USBA_BIT(TST_PKT_MODE));
-+ copy_to_fifo(ep->fifo, test_packet_buffer,
-+ sizeof(test_packet_buffer));
-+ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
-+ dev_info(dev, "Entering Test_Packet mode...\n");
-+ }
-+ break;
-+ default:
-+ dev_err(dev, "Invalid test mode: 0x%04x\n", test_mode);
-+ return -EINVAL;
++ DBG(DBG_GADGET, "registered driver `%s'\n", driver->driver.name);
++
++ udc->vbus_prev = 0;
++ if (udc->vbus_pin != -1)
++ enable_irq(gpio_to_irq(udc->vbus_pin));
++
++ /* If Vbus is present, enable the controller and wait for reset */
++ spin_lock_irqsave(&udc->lock, flags);
++ if (vbus_is_present(udc) && udc->vbus_prev == 0) {
++ usba_writel(udc, CTRL, USBA_EN_USBA);
++ usba_writel(udc, INT_ENB, USBA_END_OF_RESET);
+ }
++ spin_unlock_irqrestore(&udc->lock, flags);
+
+ return 0;
-+}
+
-+/* Avoid overly long expressions */
-+static inline bool feature_is_dev_remote_wakeup(struct usb_ctrlrequest *crq)
-+{
-+ if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_REMOTE_WAKEUP))
-+ return true;
-+ return false;
++err_driver_bind:
++ udc->driver = NULL;
++ udc->gadget.dev.driver = NULL;
++ return ret;
+}
++EXPORT_SYMBOL(usb_gadget_register_driver);
+
-+static inline bool feature_is_dev_test_mode(struct usb_ctrlrequest *crq)
++int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+{
-+ if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_TEST_MODE))
-+ return true;
-+ return false;
-+}
++ struct usba_udc *udc = &the_udc;
++ unsigned long flags;
+
-+static inline bool feature_is_ep_halt(struct usb_ctrlrequest *crq)
-+{
-+ if (crq->wValue == __constant_cpu_to_le16(USB_ENDPOINT_HALT))
-+ return true;
-+ return false;
++ if (!udc->pdev)
++ return -ENODEV;
++ if (driver != udc->driver)
++ return -EINVAL;
++
++ if (udc->vbus_pin != -1)
++ disable_irq(gpio_to_irq(udc->vbus_pin));
++
++ spin_lock_irqsave(&udc->lock, flags);
++ udc->gadget.speed = USB_SPEED_UNKNOWN;
++ reset_all_endpoints(udc);
++ spin_unlock_irqrestore(&udc->lock, flags);
++
++ /* This will also disable the DP pullup */
++ usba_writel(udc, CTRL, 0);
++
++ driver->unbind(&udc->gadget);
++ udc->gadget.dev.driver = NULL;
++ udc->driver = NULL;
++
++ clk_disable(udc->hclk);
++ clk_disable(udc->pclk);
++
++ DBG(DBG_GADGET, "unregistered driver `%s'\n", driver->driver.name);
++
++ return 0;
+}
++EXPORT_SYMBOL(usb_gadget_unregister_driver);
+
-+static int handle_ep0_setup(struct usba_udc *udc, struct usba_ep *ep,
-+ struct usb_ctrlrequest *crq)
++static int __init usba_udc_probe(struct platform_device *pdev)
+{
-+ switch (crq->bRequest) {
-+ case USB_REQ_GET_STATUS: {
-+ u16 status;
-+
-+ if (crq->bRequestType == (USB_DIR_IN | USB_RECIP_DEVICE)) {
-+ /* Self-powered, no remote wakeup */
-+ status = __constant_cpu_to_le16(1 << 0);
-+ } else if (crq->bRequestType
-+ == (USB_DIR_IN | USB_RECIP_INTERFACE)) {
-+ status = __constant_cpu_to_le16(0);
-+ } else if (crq->bRequestType
-+ == (USB_DIR_IN | USB_RECIP_ENDPOINT)) {
-+ struct usba_ep *target;
++ struct usba_platform_data *pdata = pdev->dev.platform_data;
++ struct resource *regs, *fifo;
++ struct clk *pclk, *hclk;
++ struct usba_udc *udc = &the_udc;
++ int irq, ret, i;
+
-+ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
-+ if (!target)
-+ goto stall;
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID);
++ fifo = platform_get_resource(pdev, IORESOURCE_MEM, FIFO_IOMEM_ID);
++ if (!regs || !fifo)
++ return -ENXIO;
+
-+ status = 0;
-+ if (is_stalled(udc, target))
-+ status |= __constant_cpu_to_le16(1);
-+ } else {
-+ goto delegate;
-+ }
++ irq = platform_get_irq(pdev, 0);
++ if (irq < 0)
++ return irq;
+
-+ /* Write directly to the FIFO. No queueing is done. */
-+ if (crq->wLength != __constant_cpu_to_le16(sizeof(status)))
-+ goto stall;
-+ ep->state = DATA_STAGE_IN;
-+ __raw_writew(status, ep->fifo);
-+ usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
-+ break;
++ pclk = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(pclk))
++ return PTR_ERR(pclk);
++ hclk = clk_get(&pdev->dev, "hclk");
++ if (IS_ERR(hclk)) {
++ ret = PTR_ERR(hclk);
++ goto err_get_hclk;
+ }
+
-+ case USB_REQ_CLEAR_FEATURE: {
-+ if (crq->bRequestType == USB_RECIP_DEVICE) {
-+ if (feature_is_dev_remote_wakeup(crq)) {
-+ /* TODO: Handle REMOTE_WAKEUP */
-+ } else {
-+ /* Can't CLEAR_FEATURE TEST_MODE */
-+ goto stall;
-+ }
-+ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) {
-+ struct usba_ep *target;
++ udc->pdev = pdev;
++ udc->pclk = pclk;
++ udc->hclk = hclk;
++ udc->vbus_pin = -1;
+
-+ if (!feature_is_ep_halt(crq)
-+ || crq->wLength != __constant_cpu_to_le16(0))
-+ goto stall;
-+ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
-+ if (!target)
-+ goto stall;
++ ret = -ENOMEM;
++ udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!udc->regs) {
++ dev_err(&pdev->dev, "Unable to map I/O memory, aborting.\n");
++ goto err_map_regs;
++ }
++ dev_info(&pdev->dev, "MMIO registers at 0x%08lx mapped at %p\n",
++ (unsigned long)regs->start, udc->regs);
++ udc->fifo = ioremap(fifo->start, fifo->end - fifo->start + 1);
++ if (!udc->fifo) {
++ dev_err(&pdev->dev, "Unable to map FIFO, aborting.\n");
++ goto err_map_fifo;
++ }
++ dev_info(&pdev->dev, "FIFO at 0x%08lx mapped at %p\n",
++ (unsigned long)fifo->start, udc->fifo);
+
-+ usba_ep_writel(target, CLR_STA,
-+ (USBA_BIT(FORCE_STALL)
-+ | USBA_BIT(TOGGLE_SEQ)));
-+ } else {
-+ goto delegate;
-+ }
++ device_initialize(&udc->gadget.dev);
++ udc->gadget.dev.parent = &pdev->dev;
++ udc->gadget.dev.dma_mask = pdev->dev.dma_mask;
+
-+ send_status(udc, ep);
-+ break;
-+ }
++ platform_set_drvdata(pdev, udc);
+
-+ case USB_REQ_SET_FEATURE: {
-+ if (crq->bRequestType == USB_RECIP_DEVICE) {
-+ if (feature_is_dev_test_mode(crq)) {
-+ send_status(udc, ep);
-+ ep->state = STATUS_STAGE_TEST;
-+ udc->test_mode = le16_to_cpu(crq->wIndex);
-+ return 0;
-+ } else if (feature_is_dev_remote_wakeup(crq)) {
-+ /* TODO: Handle REMOTE_WAKEUP */
-+ } else {
-+ goto stall;
-+ }
-+ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) {
-+ struct usba_ep *target;
++ /* Make sure we start from a clean slate */
++ clk_enable(pclk);
++ usba_writel(udc, CTRL, 0);
++ clk_disable(pclk);
+
-+ if (!feature_is_ep_halt(crq)
-+ || crq->wLength != __constant_cpu_to_le16(0))
-+ goto stall;
++ INIT_LIST_HEAD(&usba_ep[0].ep.ep_list);
++ usba_ep[0].ep_regs = udc->regs + USBA_EPT_BASE(0);
++ usba_ep[0].dma_regs = udc->regs + USBA_DMA_BASE(0);
++ usba_ep[0].fifo = udc->fifo + USBA_FIFO_BASE(0);
++ for (i = 1; i < ARRAY_SIZE(usba_ep); i++) {
++ struct usba_ep *ep = &usba_ep[i];
+
-+ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
-+ if (!target)
-+ goto stall;
++ ep->ep_regs = udc->regs + USBA_EPT_BASE(i);
++ ep->dma_regs = udc->regs + USBA_DMA_BASE(i);
++ ep->fifo = udc->fifo + USBA_FIFO_BASE(i);
+
-+ usba_ep_writel(target, SET_STA, USBA_BIT(FORCE_STALL));
-+ } else
-+ goto delegate;
++ list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
++ }
+
-+ send_status(udc, ep);
-+ break;
++ ret = request_irq(irq, usba_udc_irq, 0, "atmel_usba_udc", udc);
++ if (ret) {
++ dev_err(&pdev->dev, "Cannot request irq %d (error %d)\n",
++ irq, ret);
++ goto err_request_irq;
+ }
++ udc->irq = irq;
+
-+ case USB_REQ_SET_ADDRESS:
-+ if (crq->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE))
-+ goto delegate;
++ ret = device_add(&udc->gadget.dev);
++ if (ret) {
++ dev_dbg(&pdev->dev, "Could not add gadget: %d\n", ret);
++ goto err_device_add;
++ }
+
-+ set_address(udc, le16_to_cpu(crq->wValue));
-+ send_status(udc, ep);
-+ ep->state = STATUS_STAGE_ADDR;
-+ break;
++ if (pdata && pdata->vbus_pin != GPIO_PIN_NONE) {
++ if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) {
++ udc->vbus_pin = pdata->vbus_pin;
+
-+ default:
-+delegate:
-+ return udc->driver->setup(&udc->gadget, crq);
++ ret = request_irq(gpio_to_irq(udc->vbus_pin),
++ usba_vbus_irq, 0,
++ "atmel_usba_udc", udc);
++ if (ret) {
++ gpio_free(udc->vbus_pin);
++ udc->vbus_pin = -1;
++ dev_warn(&udc->pdev->dev,
++ "failed to request vbus irq; "
++ "assuming always on\n");
++ } else {
++ disable_irq(gpio_to_irq(udc->vbus_pin));
++ }
++ }
+ }
+
++ usba_init_debugfs(udc);
++ for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
++ usba_ep_init_debugfs(udc, &usba_ep[i]);
++
+ return 0;
+
-+stall:
-+ printk(KERN_ERR
-+ "udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, "
-+ "halting endpoint...\n",
-+ ep_name(ep), crq->bRequestType, crq->bRequest,
-+ le16_to_cpu(crq->wValue), le16_to_cpu(crq->wIndex),
-+ le16_to_cpu(crq->wLength));
-+ set_protocol_stall(udc, ep);
-+ return -1;
-+}
++err_device_add:
++ free_irq(irq, udc);
++err_request_irq:
++ iounmap(udc->fifo);
++err_map_fifo:
++ iounmap(udc->regs);
++err_map_regs:
++ clk_put(hclk);
++err_get_hclk:
++ clk_put(pclk);
++
++ platform_set_drvdata(pdev, NULL);
++
++ return ret;
++}
++
++static int __exit usba_udc_remove(struct platform_device *pdev)
++{
++ struct usba_udc *udc;
++ int i;
++
++ udc = platform_get_drvdata(pdev);
++
++ for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
++ usba_ep_cleanup_debugfs(&usba_ep[i]);
++ usba_cleanup_debugfs(udc);
++
++ if (udc->vbus_pin != -1)
++ gpio_free(udc->vbus_pin);
++
++ free_irq(udc->irq, udc);
++ iounmap(udc->fifo);
++ iounmap(udc->regs);
++ clk_put(udc->hclk);
++ clk_put(udc->pclk);
++
++ device_unregister(&udc->gadget.dev);
++
++ return 0;
++}
++
++static struct platform_driver udc_driver = {
++ .remove = __exit_p(usba_udc_remove),
++ .driver = {
++ .name = "atmel_usba_udc",
++ },
++};
++
++static int __init udc_init(void)
++{
++ return platform_driver_probe(&udc_driver, usba_udc_probe);
++}
++module_init(udc_init);
++
++static void __exit udc_exit(void)
++{
++ platform_driver_unregister(&udc_driver);
++}
++module_exit(udc_exit);
++
++MODULE_DESCRIPTION("Atmel USBA UDC driver");
++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h
+new file mode 100644
+index 0000000..f4f0f8b
+--- /dev/null
++++ b/drivers/usb/gadget/atmel_usba_udc.h
+@@ -0,0 +1,350 @@
++/*
++ * Driver for the Atmel USBA high speed USB device controller
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __LINUX_USB_GADGET_USBA_UDC_H__
++#define __LINUX_USB_GADGET_USBA_UDC_H__
++
++/* USB register offsets */
++#define USBA_CTRL 0x0000
++#define USBA_FNUM 0x0004
++#define USBA_INT_ENB 0x0010
++#define USBA_INT_STA 0x0014
++#define USBA_INT_CLR 0x0018
++#define USBA_EPT_RST 0x001c
++#define USBA_TST 0x00e0
++
++/* USB endpoint register offsets */
++#define USBA_EPT_CFG 0x0000
++#define USBA_EPT_CTL_ENB 0x0004
++#define USBA_EPT_CTL_DIS 0x0008
++#define USBA_EPT_CTL 0x000c
++#define USBA_EPT_SET_STA 0x0014
++#define USBA_EPT_CLR_STA 0x0018
++#define USBA_EPT_STA 0x001c
++
++/* USB DMA register offsets */
++#define USBA_DMA_NXT_DSC 0x0000
++#define USBA_DMA_ADDRESS 0x0004
++#define USBA_DMA_CONTROL 0x0008
++#define USBA_DMA_STATUS 0x000c
++
++/* Bitfields in CTRL */
++#define USBA_DEV_ADDR_OFFSET 0
++#define USBA_DEV_ADDR_SIZE 7
++#define USBA_FADDR_EN (1 << 7)
++#define USBA_EN_USBA (1 << 8)
++#define USBA_DETACH (1 << 9)
++#define USBA_REMOTE_WAKE_UP (1 << 10)
++
++/* Bitfields in FNUM */
++#define USBA_MICRO_FRAME_NUM_OFFSET 0
++#define USBA_MICRO_FRAME_NUM_SIZE 3
++#define USBA_FRAME_NUMBER_OFFSET 3
++#define USBA_FRAME_NUMBER_SIZE 11
++#define USBA_FRAME_NUM_ERROR (1 << 31)
++
++/* Bitfields in INT_ENB/INT_STA/INT_CLR */
++#define USBA_HIGH_SPEED (1 << 0)
++#define USBA_DET_SUSPEND (1 << 1)
++#define USBA_MICRO_SOF (1 << 2)
++#define USBA_SOF (1 << 3)
++#define USBA_END_OF_RESET (1 << 4)
++#define USBA_WAKE_UP (1 << 5)
++#define USBA_END_OF_RESUME (1 << 6)
++#define USBA_UPSTREAM_RESUME (1 << 7)
++#define USBA_EPT_INT_OFFSET 8
++#define USBA_EPT_INT_SIZE 16
++#define USBA_DMA_INT_OFFSET 24
++#define USBA_DMA_INT_SIZE 8
++
++/* Bitfields in EPT_RST */
++#define USBA_RST_OFFSET 0
++#define USBA_RST_SIZE 16
++
++/* Bitfields in USBA_TST */
++#define USBA_SPEED_CFG_OFFSET 0
++#define USBA_SPEED_CFG_SIZE 2
++#define USBA_TST_J_MODE (1 << 2)
++#define USBA_TST_K_MODE (1 << 3)
++#define USBA_TST_PKT_MODE (1 << 4)
++#define USBA_OPMODE2 (1 << 5)
++
++/* Bitfields in EPT_CFG */
++#define USBA_EPT_SIZE_OFFSET 0
++#define USBA_EPT_SIZE_SIZE 3
++#define USBA_EPT_DIR_IN (1 << 3)
++#define USBA_EPT_TYPE_OFFSET 4
++#define USBA_EPT_TYPE_SIZE 2
++#define USBA_BK_NUMBER_OFFSET 6
++#define USBA_BK_NUMBER_SIZE 2
++#define USBA_NB_TRANS_OFFSET 8
++#define USBA_NB_TRANS_SIZE 2
++#define USBA_EPT_MAPPED (1 << 31)
++
++/* Bitfields in EPT_CTL/EPT_CTL_ENB/EPT_CTL_DIS */
++#define USBA_EPT_ENABLE (1 << 0)
++#define USBA_AUTO_VALID (1 << 1)
++#define USBA_INTDIS_DMA (1 << 3)
++#define USBA_NYET_DIS (1 << 4)
++#define USBA_DATAX_RX (1 << 6)
++#define USBA_MDATA_RX (1 << 7)
++/* Bits 8-15 and 31 enable interrupts for respective bits in EPT_STA */
++#define USBA_BUSY_BANK_IE (1 << 18)
++
++/* Bitfields in EPT_SET_STA/EPT_CLR_STA/EPT_STA */
++#define USBA_FORCE_STALL (1 << 5)
++#define USBA_TOGGLE_CLR (1 << 6)
++#define USBA_TOGGLE_SEQ_OFFSET 6
++#define USBA_TOGGLE_SEQ_SIZE 2
++#define USBA_ERR_OVFLW (1 << 8)
++#define USBA_RX_BK_RDY (1 << 9)
++#define USBA_KILL_BANK (1 << 9)
++#define USBA_TX_COMPLETE (1 << 10)
++#define USBA_TX_PK_RDY (1 << 11)
++#define USBA_ISO_ERR_TRANS (1 << 11)
++#define USBA_RX_SETUP (1 << 12)
++#define USBA_ISO_ERR_FLOW (1 << 12)
++#define USBA_STALL_SENT (1 << 13)
++#define USBA_ISO_ERR_CRC (1 << 13)
++#define USBA_ISO_ERR_NBTRANS (1 << 13)
++#define USBA_NAK_IN (1 << 14)
++#define USBA_ISO_ERR_FLUSH (1 << 14)
++#define USBA_NAK_OUT (1 << 15)
++#define USBA_CURRENT_BANK_OFFSET 16
++#define USBA_CURRENT_BANK_SIZE 2
++#define USBA_BUSY_BANKS_OFFSET 18
++#define USBA_BUSY_BANKS_SIZE 2
++#define USBA_BYTE_COUNT_OFFSET 20
++#define USBA_BYTE_COUNT_SIZE 11
++#define USBA_SHORT_PACKET (1 << 31)
++
++/* Bitfields in DMA_CONTROL */
++#define USBA_DMA_CH_EN (1 << 0)
++#define USBA_DMA_LINK (1 << 1)
++#define USBA_DMA_END_TR_EN (1 << 2)
++#define USBA_DMA_END_BUF_EN (1 << 3)
++#define USBA_DMA_END_TR_IE (1 << 4)
++#define USBA_DMA_END_BUF_IE (1 << 5)
++#define USBA_DMA_DESC_LOAD_IE (1 << 6)
++#define USBA_DMA_BURST_LOCK (1 << 7)
++#define USBA_DMA_BUF_LEN_OFFSET 16
++#define USBA_DMA_BUF_LEN_SIZE 16
++
++/* Bitfields in DMA_STATUS */
++#define USBA_DMA_CH_ACTIVE (1 << 1)
++#define USBA_DMA_END_TR_ST (1 << 4)
++#define USBA_DMA_END_BUF_ST (1 << 5)
++#define USBA_DMA_DESC_LOAD_ST (1 << 6)
++
++/* Constants for SPEED_CFG */
++#define USBA_SPEED_CFG_NORMAL 0
++#define USBA_SPEED_CFG_FORCE_HIGH 2
++#define USBA_SPEED_CFG_FORCE_FULL 3
++
++/* Constants for EPT_SIZE */
++#define USBA_EPT_SIZE_8 0
++#define USBA_EPT_SIZE_16 1
++#define USBA_EPT_SIZE_32 2
++#define USBA_EPT_SIZE_64 3
++#define USBA_EPT_SIZE_128 4
++#define USBA_EPT_SIZE_256 5
++#define USBA_EPT_SIZE_512 6
++#define USBA_EPT_SIZE_1024 7
++
++/* Constants for EPT_TYPE */
++#define USBA_EPT_TYPE_CONTROL 0
++#define USBA_EPT_TYPE_ISO 1
++#define USBA_EPT_TYPE_BULK 2
++#define USBA_EPT_TYPE_INT 3
++
++/* Constants for BK_NUMBER */
++#define USBA_BK_NUMBER_ZERO 0
++#define USBA_BK_NUMBER_ONE 1
++#define USBA_BK_NUMBER_DOUBLE 2
++#define USBA_BK_NUMBER_TRIPLE 3
++
++/* Bit manipulation macros */
++#define USBA_BF(name, value) \
++ (((value) & ((1 << USBA_##name##_SIZE) - 1)) \
++ << USBA_##name##_OFFSET)
++#define USBA_BFEXT(name, value) \
++ (((value) >> USBA_##name##_OFFSET) \
++ & ((1 << USBA_##name##_SIZE) - 1))
++#define USBA_BFINS(name, value, old) \
++ (((old) & ~(((1 << USBA_##name##_SIZE) - 1) \
++ << USBA_##name##_OFFSET)) \
++ | USBA_BF(name, value))
++
++/* Register access macros */
++#define usba_readl(udc, reg) \
++ __raw_readl((udc)->regs + USBA_##reg)
++#define usba_writel(udc, reg, value) \
++ __raw_writel((value), (udc)->regs + USBA_##reg)
++#define usba_ep_readl(ep, reg) \
++ __raw_readl((ep)->ep_regs + USBA_EPT_##reg)
++#define usba_ep_writel(ep, reg, value) \
++ __raw_writel((value), (ep)->ep_regs + USBA_EPT_##reg)
++#define usba_dma_readl(ep, reg) \
++ __raw_readl((ep)->dma_regs + USBA_DMA_##reg)
++#define usba_dma_writel(ep, reg, value) \
++ __raw_writel((value), (ep)->dma_regs + USBA_DMA_##reg)
++
++/* Calculate base address for a given endpoint or DMA controller */
++#define USBA_EPT_BASE(x) (0x100 + (x) * 0x20)
++#define USBA_DMA_BASE(x) (0x300 + (x) * 0x10)
++#define USBA_FIFO_BASE(x) ((x) << 16)
++
++/* Synth parameters */
++#define USBA_NR_ENDPOINTS 7
++
++#define EP0_FIFO_SIZE 64
++#define EP0_EPT_SIZE USBA_EPT_SIZE_64
++#define EP0_NR_BANKS 1
++
++/*
++ * REVISIT: Try to eliminate this value. Can we rely on req->mapped to
++ * provide this information?
++ */
++#define DMA_ADDR_INVALID (~(dma_addr_t)0)
++
++#define FIFO_IOMEM_ID 0
++#define CTRL_IOMEM_ID 1
++
++#ifdef DEBUG
++#define DBG_ERR 0x0001 /* report all error returns */
++#define DBG_HW 0x0002 /* debug hardware initialization */
++#define DBG_GADGET 0x0004 /* calls to/from gadget driver */
++#define DBG_INT 0x0008 /* interrupts */
++#define DBG_BUS 0x0010 /* report changes in bus state */
++#define DBG_QUEUE 0x0020 /* debug request queue processing */
++#define DBG_FIFO 0x0040 /* debug FIFO contents */
++#define DBG_DMA 0x0080 /* debug DMA handling */
++#define DBG_REQ 0x0100 /* print out queued request length */
++#define DBG_ALL 0xffff
++#define DBG_NONE 0x0000
++
++#define DEBUG_LEVEL (DBG_ERR)
++#define DBG(level, fmt, ...) \
++ do { \
++ if ((level) & DEBUG_LEVEL) \
++ printk(KERN_DEBUG "udc: " fmt, ## __VA_ARGS__); \
++ } while (0)
++#else
++#define DBG(level, fmt...)
++#endif
++
++enum usba_ctrl_state {
++ WAIT_FOR_SETUP,
++ DATA_STAGE_IN,
++ DATA_STAGE_OUT,
++ STATUS_STAGE_IN,
++ STATUS_STAGE_OUT,
++ STATUS_STAGE_ADDR,
++ STATUS_STAGE_TEST,
++};
++/*
++ EP_STATE_IDLE,
++ EP_STATE_SETUP,
++ EP_STATE_IN_DATA,
++ EP_STATE_OUT_DATA,
++ EP_STATE_SET_ADDR_STATUS,
++ EP_STATE_RX_STATUS,
++ EP_STATE_TX_STATUS,
++ EP_STATE_HALT,
++*/
++
++struct usba_dma_desc {
++ dma_addr_t next;
++ dma_addr_t addr;
++ u32 ctrl;
++};
++
++struct usba_ep {
++ int state;
++ void __iomem *ep_regs;
++ void __iomem *dma_regs;
++ void __iomem *fifo;
++ struct usb_ep ep;
++ struct usba_udc *udc;
++
++ struct list_head queue;
++ const struct usb_endpoint_descriptor *desc;
++
++ u16 fifo_size;
++ u8 nr_banks;
++ u8 index;
++ unsigned int can_dma:1;
++ unsigned int can_isoc:1;
++ unsigned int is_isoc:1;
++ unsigned int is_in:1;
++
++#ifdef CONFIG_USB_GADGET_DEBUG_FS
++ u32 last_dma_status;
++ struct dentry *debugfs_dir;
++ struct dentry *debugfs_queue;
++ struct dentry *debugfs_dma_status;
++ struct dentry *debugfs_state;
++#endif
++};
++
++struct usba_request {
++ struct usb_request req;
++ struct list_head queue;
++
++ u32 ctrl;
++
++ unsigned int submitted:1;
++ unsigned int last_transaction:1;
++ unsigned int using_dma:1;
++ unsigned int mapped:1;
++};
++
++struct usba_udc {
++ /* Protect hw registers from concurrent modifications */
++ spinlock_t lock;
++
++ void __iomem *regs;
++ void __iomem *fifo;
++
++ struct usb_gadget gadget;
++ struct usb_gadget_driver *driver;
++ struct platform_device *pdev;
++ int irq;
++ int vbus_pin;
++ struct clk *pclk;
++ struct clk *hclk;
++
++ int test_mode;
++ int vbus_prev;
++
++#ifdef CONFIG_USB_GADGET_DEBUG_FS
++ struct dentry *debugfs_root;
++ struct dentry *debugfs_regs;
++#endif
++};
++
++static inline struct usba_ep *to_usba_ep(struct usb_ep *ep)
++{
++ return container_of(ep, struct usba_ep, ep);
++}
++
++static inline struct usba_request *to_usba_req(struct usb_request *req)
++{
++ return container_of(req, struct usba_request, req);
++}
++
++static inline struct usba_udc *to_usba_udc(struct usb_gadget *gadget)
++{
++ return container_of(gadget, struct usba_udc, gadget);
++}
++
++#define ep_is_control(ep) ((ep)->index == 0)
++#define ep_is_idle(ep) ((ep)->state == EP_STATE_IDLE)
++
++#endif /* __LINUX_USB_GADGET_USBA_UDC_H */
+diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
+index 235b618..bb361ab 100644
+--- a/drivers/video/atmel_lcdfb.c
++++ b/drivers/video/atmel_lcdfb.c
+@@ -37,7 +37,9 @@
+ #endif
+
+ #if defined(CONFIG_ARCH_AT91)
+-#define ATMEL_LCDFB_FBINFO_DEFAULT FBINFO_DEFAULT
++#define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \
++ | FBINFO_PARTIAL_PAN_OK \
++ | FBINFO_HWACCEL_YPAN)
+
+ static inline void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo,
+ struct fb_var_screeninfo *var)
+@@ -74,7 +76,7 @@ static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = {
+ .type = FB_TYPE_PACKED_PIXELS,
+ .visual = FB_VISUAL_TRUECOLOR,
+ .xpanstep = 0,
+- .ypanstep = 0,
++ .ypanstep = 1,
+ .ywrapstep = 0,
+ .accel = FB_ACCEL_NONE,
+ };
+diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
+index 2580f5f..b6f936a 100644
+--- a/drivers/video/backlight/Kconfig
++++ b/drivers/video/backlight/Kconfig
+@@ -24,6 +24,18 @@ config LCD_CLASS_DEVICE
+ To have support for your specific LCD panel you will have to
+ select the proper drivers which depend on this option.
+
++config LCD_LTV350QV
++ tristate "Samsung LTV350QV LCD Panel"
++ depends on LCD_CLASS_DEVICE && SPI_MASTER
++ default n
++ help
++ If you have a Samsung LTV350QV LCD panel, say y to include a
++ power control driver for it. The panel starts up in power
++ off state, so you need this driver in order to see any
++ output.
++
++ The LTV350QV panel is present on all ATSTK1000 boards.
++
+ #
+ # Backlight
+ #
+diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
+index c6e2266..965a78b 100644
+--- a/drivers/video/backlight/Makefile
++++ b/drivers/video/backlight/Makefile
+@@ -1,6 +1,8 @@
+ # Backlight & LCD drivers
+
+ obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o
++obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o
++
+ obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
+ obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o
+ obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o
+diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c
+new file mode 100644
+index 0000000..751dc53
+--- /dev/null
++++ b/drivers/video/backlight/ltv350qv.c
+@@ -0,0 +1,339 @@
++/*
++ * Power control for Samsung LTV350QV Quarter VGA LCD Panel
++ *
++ * Copyright (C) 2006, 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <linux/delay.h>
++#include <linux/err.h>
++#include <linux/fb.h>
++#include <linux/init.h>
++#include <linux/lcd.h>
++#include <linux/module.h>
++#include <linux/spi/spi.h>
++
++#include "ltv350qv.h"
++
++#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL)
++
++struct ltv350qv {
++ struct spi_device *spi;
++ u8 *buffer;
++ int power;
++ struct lcd_device *ld;
++};
++
++/*
++ * The power-on and power-off sequences are taken from the
++ * LTV350QV-F04 data sheet from Samsung. The register definitions are
++ * taken from the S6F2002 command list also from Samsung. Both
++ * documents are distributed with the AVR32 Linux BSP CD from Atmel.
++ *
++ * There's still some voodoo going on here, but it's a lot better than
++ * in the first incarnation of the driver where all we had was the raw
++ * numbers from the initialization sequence.
++ */
++static int ltv350qv_write_reg(struct ltv350qv *lcd, u8 reg, u16 val)
++{
++ struct spi_message msg;
++ struct spi_transfer index_xfer = {
++ .len = 3,
++ .cs_change = 1,
++ };
++ struct spi_transfer value_xfer = {
++ .len = 3,
++ };
++
++ spi_message_init(&msg);
++
++ /* register index */
++ lcd->buffer[0] = LTV_OPC_INDEX;
++ lcd->buffer[1] = 0x00;
++ lcd->buffer[2] = reg & 0x7f;
++ index_xfer.tx_buf = lcd->buffer;
++ spi_message_add_tail(&index_xfer, &msg);
++
++ /* register value */
++ lcd->buffer[4] = LTV_OPC_DATA;
++ lcd->buffer[5] = val >> 8;
++ lcd->buffer[6] = val;
++ value_xfer.tx_buf = lcd->buffer + 4;
++ spi_message_add_tail(&value_xfer, &msg);
++
++ return spi_sync(lcd->spi, &msg);
++}
++
++/* The comments are taken straight from the data sheet */
++static int ltv350qv_power_on(struct ltv350qv *lcd)
++{
++ int ret;
++
++ /* Power On Reset Display off State */
++ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, 0x0000))
++ goto err;
++ msleep(15);
++
++ /* Power Setting Function 1 */
++ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE))
++ goto err;
++ if (ltv350qv_write_reg(lcd, LTV_PWRCTL2, LTV_VCOML_ENABLE))
++ goto err_power1;
++
++ /* Power Setting Function 2 */
++ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1,
++ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
++ | LTV_SUPPLY_CURRENT(5)))
++ goto err_power2;
++
++ msleep(55);
++
++ /* Instruction Setting */
++ ret = ltv350qv_write_reg(lcd, LTV_IFCTL,
++ LTV_NMD | LTV_REV | LTV_NL(0x1d));
++ ret |= ltv350qv_write_reg(lcd, LTV_DATACTL,
++ LTV_DS_SAME | LTV_CHS_480
++ | LTV_DF_RGB | LTV_RGB_BGR);
++ ret |= ltv350qv_write_reg(lcd, LTV_ENTRY_MODE,
++ LTV_VSPL_ACTIVE_LOW
++ | LTV_HSPL_ACTIVE_LOW
++ | LTV_DPL_SAMPLE_RISING
++ | LTV_EPL_ACTIVE_LOW
++ | LTV_SS_RIGHT_TO_LEFT);
++ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL1, LTV_CLW(3));
++ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
++ LTV_NW_INV_1LINE | LTV_FWI(3));
++ ret |= ltv350qv_write_reg(lcd, LTV_VBP, 0x000a);
++ ret |= ltv350qv_write_reg(lcd, LTV_HBP, 0x0021);
++ ret |= ltv350qv_write_reg(lcd, LTV_SOTCTL, LTV_SDT(3) | LTV_EQ(0));
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(0), 0x0103);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(1), 0x0301);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(2), 0x1f0f);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(3), 0x1f0f);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(4), 0x0707);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(5), 0x0307);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(6), 0x0707);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(7), 0x0000);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(8), 0x0004);
++ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(9), 0x0000);
++ if (ret)
++ goto err_settings;
++
++ /* Wait more than 2 frames */
++ msleep(20);
++
++ /* Display On Sequence */
++ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
++ LTV_VCOM_DISABLE | LTV_VCOMOUT_ENABLE
++ | LTV_POWER_ON | LTV_DRIVE_CURRENT(5)
++ | LTV_SUPPLY_CURRENT(5));
++ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
++ LTV_NW_INV_1LINE | LTV_DSC | LTV_FWI(3));
++ if (ret)
++ goto err_disp_on;
++
++ /* Display should now be ON. Phew. */
++ return 0;
++
++err_disp_on:
++ /*
++ * Try to recover. Error handling probably isn't very useful
++ * at this point, just make a best effort to switch the panel
++ * off.
++ */
++ ltv350qv_write_reg(lcd, LTV_PWRCTL1,
++ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
++ | LTV_SUPPLY_CURRENT(5));
++ ltv350qv_write_reg(lcd, LTV_GATECTL2,
++ LTV_NW_INV_1LINE | LTV_FWI(3));
++err_settings:
++err_power2:
++err_power1:
++ ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
++ msleep(1);
++err:
++ ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
++ return -EIO;
++}
++
++static int ltv350qv_power_off(struct ltv350qv *lcd)
++{
++ int ret;
++
++ /* Display Off Sequence */
++ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
++ LTV_VCOM_DISABLE
++ | LTV_DRIVE_CURRENT(5)
++ | LTV_SUPPLY_CURRENT(5));
++ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
++ LTV_NW_INV_1LINE | LTV_FWI(3));
++
++ /* Power down setting 1 */
++ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
++
++ /* Wait at least 1 ms */
++ msleep(1);
++
++ /* Power down setting 2 */
++ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
++
++ /*
++ * No point in trying to recover here. If we can't switch the
++ * panel off, what are we supposed to do other than inform the
++ * user about the failure?
++ */
++ if (ret)
++ return -EIO;
++
++ /* Display power should now be OFF */
++ return 0;
++}
++
++static int ltv350qv_power(struct ltv350qv *lcd, int power)
++{
++ int ret = 0;
++
++ if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power))
++ ret = ltv350qv_power_on(lcd);
++ else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power))
++ ret = ltv350qv_power_off(lcd);
++
++ if (!ret)
++ lcd->power = power;
++
++ return ret;
++}
++
++static int ltv350qv_set_power(struct lcd_device *ld, int power)
++{
++ struct ltv350qv *lcd;
++
++ lcd = lcd_get_data(ld);
++ return ltv350qv_power(lcd, power);
++}
++
++static int ltv350qv_get_power(struct lcd_device *ld)
++{
++ struct ltv350qv *lcd;
++
++ lcd = lcd_get_data(ld);
++ return lcd->power;
++}
++
++static struct lcd_ops ltv_ops = {
++ .get_power = ltv350qv_get_power,
++ .set_power = ltv350qv_set_power,
++};
++
++static int __devinit ltv350qv_probe(struct spi_device *spi)
++{
++ struct ltv350qv *lcd;
++ struct lcd_device *ld;
++ int ret;
++
++ lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL);
++ if (!lcd)
++ return -ENOMEM;
++
++ lcd->spi = spi;
++ lcd->power = FB_BLANK_POWERDOWN;
++ lcd->buffer = kzalloc(8, GFP_KERNEL);
++
++ ld = lcd_device_register("ltv350qv", &spi->dev, lcd, <v_ops);
++ if (IS_ERR(ld)) {
++ ret = PTR_ERR(ld);
++ goto out_free_lcd;
++ }
++ lcd->ld = ld;
++
++ ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK);
++ if (ret)
++ goto out_unregister;
++
++ dev_set_drvdata(&spi->dev, lcd);
++
++ return 0;
++
++out_unregister:
++ lcd_device_unregister(ld);
++out_free_lcd:
++ kfree(lcd);
++ return ret;
++}
++
++static int __devexit ltv350qv_remove(struct spi_device *spi)
++{
++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++
++ ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
++ lcd_device_unregister(lcd->ld);
++ kfree(lcd);
++
++ return 0;
++}
++
++#ifdef CONFIG_PM
++static int ltv350qv_suspend(struct spi_device *spi,
++ pm_message_t state, u32 level)
++{
++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++
++ if (level == SUSPEND_POWER_DOWN)
++ return ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
++
++ return 0;
++}
++
++static int ltv350qv_resume(struct spi_device *spi, u32 level)
++{
++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++
++ if (level == RESUME_POWER_ON)
++ return ltv350qv_power(lcd, FB_BLANK_UNBLANK);
++
++ return 0;
++}
++#else
++#define ltv350qv_suspend NULL
++#define ltv350qv_resume NULL
++#endif
++
++/* Power down all displays on reboot, poweroff or halt */
++static void ltv350qv_shutdown(struct spi_device *spi)
++{
++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++
++ ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
++}
++
++static struct spi_driver ltv350qv_driver = {
++ .driver = {
++ .name = "ltv350qv",
++ .bus = &spi_bus_type,
++ .owner = THIS_MODULE,
++ },
++
++ .probe = ltv350qv_probe,
++ .remove = __devexit_p(ltv350qv_remove),
++ .shutdown = ltv350qv_shutdown,
++ .suspend = ltv350qv_suspend,
++ .resume = ltv350qv_resume,
++};
++
++static int __init ltv350qv_init(void)
++{
++ return spi_register_driver(<v350qv_driver);
++}
++
++static void __exit ltv350qv_exit(void)
++{
++ spi_unregister_driver(<v350qv_driver);
++}
++module_init(ltv350qv_init);
++module_exit(ltv350qv_exit);
++
++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
++MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/video/backlight/ltv350qv.h b/drivers/video/backlight/ltv350qv.h
+new file mode 100644
+index 0000000..189112e
+--- /dev/null
++++ b/drivers/video/backlight/ltv350qv.h
+@@ -0,0 +1,95 @@
++/*
++ * Register definitions for Samsung LTV350QV Quarter VGA LCD Panel
++ *
++ * Copyright (C) 2006, 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __LTV350QV_H
++#define __LTV350QV_H
++
++#define LTV_OPC_INDEX 0x74
++#define LTV_OPC_DATA 0x76
++
++#define LTV_ID 0x00 /* ID Read */
++#define LTV_IFCTL 0x01 /* Display Interface Control */
++#define LTV_DATACTL 0x02 /* Display Data Control */
++#define LTV_ENTRY_MODE 0x03 /* Entry Mode */
++#define LTV_GATECTL1 0x04 /* Gate Control 1 */
++#define LTV_GATECTL2 0x05 /* Gate Control 2 */
++#define LTV_VBP 0x06 /* Vertical Back Porch */
++#define LTV_HBP 0x07 /* Horizontal Back Porch */
++#define LTV_SOTCTL 0x08 /* Source Output Timing Control */
++#define LTV_PWRCTL1 0x09 /* Power Control 1 */
++#define LTV_PWRCTL2 0x0a /* Power Control 2 */
++#define LTV_GAMMA(x) (0x10 + (x)) /* Gamma control */
++
++/* Bit definitions for LTV_IFCTL */
++#define LTV_IM (1 << 15)
++#define LTV_NMD (1 << 14)
++#define LTV_SSMD (1 << 13)
++#define LTV_REV (1 << 7)
++#define LTV_NL(x) (((x) & 0x001f) << 0)
++
++/* Bit definitions for LTV_DATACTL */
++#define LTV_DS_SAME (0 << 12)
++#define LTV_DS_D_TO_S (1 << 12)
++#define LTV_DS_S_TO_D (2 << 12)
++#define LTV_CHS_384 (0 << 9)
++#define LTV_CHS_480 (1 << 9)
++#define LTV_CHS_492 (2 << 9)
++#define LTV_DF_RGB (0 << 6)
++#define LTV_DF_RGBX (1 << 6)
++#define LTV_DF_XRGB (2 << 6)
++#define LTV_RGB_RGB (0 << 2)
++#define LTV_RGB_BGR (1 << 2)
++#define LTV_RGB_GRB (2 << 2)
++#define LTV_RGB_RBG (3 << 2)
++
++/* Bit definitions for LTV_ENTRY_MODE */
++#define LTV_VSPL_ACTIVE_LOW (0 << 15)
++#define LTV_VSPL_ACTIVE_HIGH (1 << 15)
++#define LTV_HSPL_ACTIVE_LOW (0 << 14)
++#define LTV_HSPL_ACTIVE_HIGH (1 << 14)
++#define LTV_DPL_SAMPLE_RISING (0 << 13)
++#define LTV_DPL_SAMPLE_FALLING (1 << 13)
++#define LTV_EPL_ACTIVE_LOW (0 << 12)
++#define LTV_EPL_ACTIVE_HIGH (1 << 12)
++#define LTV_SS_LEFT_TO_RIGHT (0 << 8)
++#define LTV_SS_RIGHT_TO_LEFT (1 << 8)
++#define LTV_STB (1 << 1)
++
++/* Bit definitions for LTV_GATECTL1 */
++#define LTV_CLW(x) (((x) & 0x0007) << 12)
++#define LTV_GAON (1 << 5)
++#define LTV_SDR (1 << 3)
++
++/* Bit definitions for LTV_GATECTL2 */
++#define LTV_NW_INV_FRAME (0 << 14)
++#define LTV_NW_INV_1LINE (1 << 14)
++#define LTV_NW_INV_2LINE (2 << 14)
++#define LTV_DSC (1 << 12)
++#define LTV_GIF (1 << 8)
++#define LTV_FHN (1 << 7)
++#define LTV_FTI(x) (((x) & 0x0003) << 4)
++#define LTV_FWI(x) (((x) & 0x0003) << 0)
++
++/* Bit definitions for LTV_SOTCTL */
++#define LTV_SDT(x) (((x) & 0x0007) << 10)
++#define LTV_EQ(x) (((x) & 0x0007) << 2)
++
++/* Bit definitions for LTV_PWRCTL1 */
++#define LTV_VCOM_DISABLE (1 << 14)
++#define LTV_VCOMOUT_ENABLE (1 << 11)
++#define LTV_POWER_ON (1 << 9)
++#define LTV_DRIVE_CURRENT(x) (((x) & 0x0007) << 4) /* 0=off, 5=max */
++#define LTV_SUPPLY_CURRENT(x) (((x) & 0x0007) << 0) /* 0=off, 5=max */
++
++/* Bit definitions for LTV_PWRCTL2 */
++#define LTV_VCOML_ENABLE (1 << 13)
++#define LTV_VCOML_VOLTAGE(x) (((x) & 0x001f) << 8) /* 0=1V, 31=-1V */
++#define LTV_VCOMH_VOLTAGE(x) (((x) & 0x001f) << 0) /* 0=3V, 31=4.5V */
++
++#endif /* __LTV350QV_H */
+diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h
+index 0215965..e1318e0 100644
+--- a/include/asm-avr32/arch-at32ap/board.h
++++ b/include/asm-avr32/arch-at32ap/board.h
+@@ -6,6 +6,8 @@
+
+ #include <linux/types.h>
+
++#define GPIO_PIN_NONE (-1)
++
+ /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */
+ void at32_add_system_devices(void);
+
+@@ -31,11 +33,26 @@ struct spi_board_info;
+ struct platform_device *
+ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n);
+
++struct platform_device *at32_add_device_twi(unsigned int id);
+
-+static void usba_control_irq(struct usba_udc *udc, struct usba_ep *ep)
++struct mci_platform_data {
++ int detect_pin;
++ int wp_pin;
++};
++struct platform_device *
++at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
++
+ struct atmel_lcdfb_info;
+ struct platform_device *
+ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
+ unsigned long fbmem_start, unsigned long fbmem_len);
+
++struct usba_platform_data {
++ int vbus_pin;
++};
++struct platform_device *
++at32_add_device_usba(unsigned int id, struct usba_platform_data *data);
++
+ /* depending on what's hooked up, not all SSC pins will be used */
+ #define ATMEL_SSC_TK 0x01
+ #define ATMEL_SSC_TF 0x02
+@@ -50,4 +67,7 @@ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
+ struct platform_device *
+ at32_add_device_ssc(unsigned int id, unsigned int flags);
+
++struct platform_device *at32_add_device_ac97c(unsigned int id);
++struct platform_device *at32_add_device_abdac(unsigned int id);
++
+ #endif /* __ASM_ARCH_BOARD_H */
+diff --git a/include/asm-avr32/arch-at32ap/portmux.h b/include/asm-avr32/arch-at32ap/portmux.h
+index 9930871..135e034 100644
+--- a/include/asm-avr32/arch-at32ap/portmux.h
++++ b/include/asm-avr32/arch-at32ap/portmux.h
+@@ -19,10 +19,23 @@
+ #define AT32_GPIOF_OUTPUT 0x00000002 /* (OUT) Enable output driver */
+ #define AT32_GPIOF_HIGH 0x00000004 /* (OUT) Set output high */
+ #define AT32_GPIOF_DEGLITCH 0x00000008 /* (IN) Filter glitches */
++#define AT32_GPIOF_MULTIDRV 0x00000010 /* Enable multidriver option */
+
+ void at32_select_periph(unsigned int pin, unsigned int periph,
+ unsigned long flags);
+ void at32_select_gpio(unsigned int pin, unsigned long flags);
+ void at32_reserve_pin(unsigned int pin);
+
++#ifdef CONFIG_GPIO_DEV
++
++/* Gang allocators and accessors; used by the GPIO /dev driver */
++int at32_gpio_port_is_valid(unsigned int port);
++int at32_select_gpio_pins(unsigned int port, u32 pins, u32 oe_mask);
++void at32_deselect_pins(unsigned int port, u32 pins);
++
++u32 at32_gpio_get_value_multiple(unsigned int port, u32 pins);
++void at32_gpio_set_value_multiple(unsigned int port, u32 value, u32 mask);
++
++#endif /* CONFIG_GPIO_DEV */
++
+ #endif /* __ASM_ARCH_PORTMUX_H__ */
+diff --git a/include/asm-avr32/arch-at32ap/smc.h b/include/asm-avr32/arch-at32ap/smc.h
+index 07152b7..c98eea4 100644
+--- a/include/asm-avr32/arch-at32ap/smc.h
++++ b/include/asm-avr32/arch-at32ap/smc.h
+@@ -15,22 +15,50 @@
+ /*
+ * All timing parameters are in nanoseconds.
+ */
++struct smc_timing {
++ /* Delay from address valid to assertion of given strobe */
++ int ncs_read_setup;
++ int nrd_setup;
++ int ncs_write_setup;
++ int nwe_setup;
++
++ /* Pulse length of given strobe */
++ int ncs_read_pulse;
++ int nrd_pulse;
++ int ncs_write_pulse;
++ int nwe_pulse;
++
++ /* Total cycle length of given operation */
++ int read_cycle;
++ int write_cycle;
++
++ /* Minimal recovery times, will extend cycle if needed */
++ int ncs_read_recover;
++ int nrd_recover;
++ int ncs_write_recover;
++ int nwe_recover;
++};
++
++/*
++ * All timing parameters are in clock cycles.
++ */
+ struct smc_config {
++
+ /* Delay from address valid to assertion of given strobe */
+- u16 ncs_read_setup;
+- u16 nrd_setup;
+- u16 ncs_write_setup;
+- u16 nwe_setup;
++ u8 ncs_read_setup;
++ u8 nrd_setup;
++ u8 ncs_write_setup;
++ u8 nwe_setup;
+
+ /* Pulse length of given strobe */
+- u16 ncs_read_pulse;
+- u16 nrd_pulse;
+- u16 ncs_write_pulse;
+- u16 nwe_pulse;
++ u8 ncs_read_pulse;
++ u8 nrd_pulse;
++ u8 ncs_write_pulse;
++ u8 nwe_pulse;
+
+ /* Total cycle length of given operation */
+- u16 read_cycle;
+- u16 write_cycle;
++ u8 read_cycle;
++ u8 write_cycle;
+
+ /* Bus width in bytes */
+ u8 bus_width;
+@@ -76,6 +104,9 @@ struct smc_config {
+ unsigned int tdf_mode:1;
+ };
+
++extern void smc_set_timing(struct smc_config *config,
++ const struct smc_timing *timing);
++
+ extern int smc_set_configuration(int cs, const struct smc_config *config);
+ extern struct smc_config *smc_get_configuration(int cs);
+
+diff --git a/include/asm-avr32/dma-controller.h b/include/asm-avr32/dma-controller.h
+new file mode 100644
+index 0000000..56a4965
+--- /dev/null
++++ b/include/asm-avr32/dma-controller.h
+@@ -0,0 +1,166 @@
++/*
++ * Copyright (C) 2005-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __ASM_AVR32_DMA_CONTROLLER_H
++#define __ASM_AVR32_DMA_CONTROLLER_H
++
++#include <linux/device.h>
++
++#define DMA_DIR_MEM_TO_MEM 0x0000
++#define DMA_DIR_MEM_TO_PERIPH 0x0001
++#define DMA_DIR_PERIPH_TO_MEM 0x0002
++#define DMA_DIR_PERIPH_TO_PERIPH 0x0003
++
++#define DMA_WIDTH_8BIT 0
++#define DMA_WIDTH_16BIT 1
++#define DMA_WIDTH_32BIT 2
++
++struct dma_request {
++ struct dma_controller *dmac;
++ struct list_head list;
++
++ unsigned short channel;
++
++ void (*xfer_complete)(struct dma_request *req);
++ void (*block_complete)(struct dma_request *req);
++ void (*error)(struct dma_request *req);
++};
++
++struct dma_request_sg {
++ struct dma_request req;
++
++ int nr_sg;
++ struct scatterlist *sg;
++ unsigned long block_size;
++ unsigned int nr_blocks;
++
++ dma_addr_t data_reg;
++ unsigned short periph_id;
++
++ unsigned char direction;
++ unsigned char width;
++};
++#define to_dma_request_sg(_req) \
++ container_of(_req, struct dma_request_sg, req)
++
++struct dma_request_cyclic {
++ struct dma_request req;
++
++ int periods;
++ unsigned long buffer_size;
++
++ dma_addr_t buffer_start;
++ dma_addr_t data_reg;
++
++ unsigned short periph_id;
++ unsigned char direction;
++ unsigned char width;
++
++ void *dev_id;
++};
++#define to_dma_request_cyclic(_req) \
++ container_of(_req, struct dma_request_cyclic, req)
++
++struct dma_request_memcpy {
++ struct dma_request req;
++
++ dma_addr_t src_addr;
++ unsigned int src_width;
++ unsigned int src_stride;
++
++ dma_addr_t dst_addr;
++ unsigned int dst_width;
++ unsigned int dst_stride;
++
++ size_t length;
++
++ unsigned short src_reverse:1;
++ unsigned short dst_reverse:1;
++};
++#define to_dma_request_memcpy(_req) \
++ container_of(_req, struct dma_request_memcpy, req)
++
++struct dma_controller {
++ struct list_head list;
++ int id;
++ struct device *dev;
++
++ int (*alloc_channel)(struct dma_controller *dmac);
++ void (*release_channel)(struct dma_controller *dmac,
++ int channel);
++ int (*prepare_request_sg)(struct dma_controller *dmac,
++ struct dma_request_sg *req);
++ int (*prepare_request_cyclic)(struct dma_controller *dmac,
++ struct dma_request_cyclic *req);
++ int (*prepare_request_memcpy)(struct dma_controller *dmac,
++ struct dma_request_memcpy *req);
++ int (*start_request)(struct dma_controller *dmac,
++ unsigned int channel);
++ int (*stop_request)(struct dma_controller *dmac,
++ unsigned int channel);
++ dma_addr_t (*get_current_pos)(struct dma_controller *dmac,
++ unsigned int channel);
++};
++
++static inline int
++dma_alloc_channel(struct dma_controller *dmac)
+{
-+ struct usba_request *req;
-+ u32 epstatus;
-+ u32 epctrl;
++ return dmac->alloc_channel(dmac);
++}
+
-+restart:
-+ epstatus = usba_ep_readl(ep, STA);
-+ epctrl = usba_ep_readl(ep, CTL);
++static inline void
++dma_release_channel(struct dma_controller *dmac, int chan)
++{
++ dmac->release_channel(dmac, chan);
++}
+
-+ DBG(DBG_INT, "%s [%d]: s/%08x c/%08x\n",
-+ ep_name(ep), ep->state, epstatus, epctrl);
++static inline int
++dma_prepare_request_sg(struct dma_controller *dmac,
++ struct dma_request_sg *req)
++{
++ return dmac->prepare_request_sg(dmac, req);
++}
+
-+ req = NULL;
-+ if (!list_empty(&ep->queue))
-+ req = list_entry(ep->queue.next,
-+ struct usba_request, queue);
++static inline int
++dma_prepare_request_cyclic(struct dma_controller *dmac,
++ struct dma_request_cyclic *req)
++{
++ return dmac->prepare_request_cyclic(dmac, req);
++}
+
-+ if ((epctrl & USBA_BIT(TX_PK_RDY))
-+ && !(epstatus & USBA_BIT(TX_PK_RDY))) {
-+ if (req->submitted)
-+ next_fifo_transaction(ep, req);
-+ else
-+ submit_request(ep, req);
++static inline int
++dma_prepare_request_memcpy(struct dma_controller *dmac,
++ struct dma_request_memcpy *req)
++{
++ return dmac->prepare_request_memcpy(dmac, req);
++}
+
-+ if (req->last_transaction) {
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY));
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE));
-+ }
-+ goto restart;
-+ }
-+ if ((epstatus & epctrl) & USBA_BIT(TX_COMPLETE)) {
-+ usba_ep_writel(ep, CLR_STA, USBA_BIT(TX_COMPLETE));
++static inline int
++dma_start_request(struct dma_controller *dmac,
++ unsigned int channel)
++{
++ return dmac->start_request(dmac, channel);
++}
+
-+ switch (ep->state) {
-+ case DATA_STAGE_IN:
-+ usba_ep_writel(ep, CTL_ENB, USBA_BIT(RX_BK_RDY));
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
-+ ep->state = STATUS_STAGE_OUT;
-+ break;
-+ case STATUS_STAGE_ADDR:
-+ /* Activate our new address */
-+ usba_writel(udc, CTRL, (usba_readl(udc, CTRL)
-+ | USBA_BIT(FADDR_EN)));
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
-+ ep->state = WAIT_FOR_SETUP;
-+ break;
-+ case STATUS_STAGE_IN:
-+ if (req) {
-+ list_del_init(&req->queue);
-+ request_complete(ep, req, 0);
-+ submit_next_request(ep);
-+ }
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
-+ ep->state = WAIT_FOR_SETUP;
-+ break;
-+ case STATUS_STAGE_TEST:
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
-+ ep->state = WAIT_FOR_SETUP;
-+ if (do_test_mode(udc))
-+ set_protocol_stall(udc, ep);
-+ break;
-+ default:
-+ printk(KERN_ERR
-+ "udc: %s: TXCOMP: Invalid endpoint state %d, "
-+ "halting endpoint...\n",
-+ ep_name(ep), ep->state);
-+ set_protocol_stall(udc, ep);
-+ break;
-+ }
++static inline int
++dma_stop_request(struct dma_controller *dmac,
++ unsigned int channel)
++{
++ return dmac->stop_request(dmac, channel);
++}
+
-+ goto restart;
-+ }
-+ if ((epstatus & epctrl) & USBA_BIT(RX_BK_RDY)) {
-+ switch (ep->state) {
-+ case STATUS_STAGE_OUT:
-+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
++static inline dma_addr_t
++dma_get_current_pos(struct dma_controller *dmac,
++ unsigned int channel)
++{
++ return dmac->get_current_pos(dmac, channel);
++}
+
-+ if (req) {
-+ list_del_init(&req->queue);
-+ request_complete(ep, req, 0);
-+ }
-+ ep->state = WAIT_FOR_SETUP;
-+ break;
++extern int register_dma_controller(struct dma_controller *dmac);
++extern struct dma_controller *find_dma_controller(int id);
+
-+ case DATA_STAGE_OUT:
-+ receive_data(ep);
-+ break;
++#endif /* __ASM_AVR32_DMA_CONTROLLER_H */
+diff --git a/include/asm-avr32/dma-mapping.h b/include/asm-avr32/dma-mapping.h
+index 21bb60b..81e3426 100644
+--- a/include/asm-avr32/dma-mapping.h
++++ b/include/asm-avr32/dma-mapping.h
+@@ -264,7 +264,11 @@ static inline void
+ dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
+ size_t size, enum dma_data_direction direction)
+ {
+- dma_cache_sync(dev, bus_to_virt(dma_handle), size, direction);
++ /*
++ * No need to do anything since the CPU isn't supposed to
++ * touch this memory after we flushed it at mapping- or
++ * sync-for-device time.
++ */
+ }
+
+ static inline void
+@@ -309,12 +313,11 @@ static inline void
+ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction direction)
+ {
+- int i;
+-
+- for (i = 0; i < nents; i++) {
+- dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
+- sg[i].length, direction);
+- }
++ /*
++ * No need to do anything since the CPU isn't supposed to
++ * touch this memory after we flushed it at mapping- or
++ * sync-for-device time.
++ */
+ }
+
+ static inline void
+diff --git a/include/asm-avr32/system.h b/include/asm-avr32/system.h
+index a8236ba..dc2d527 100644
+--- a/include/asm-avr32/system.h
++++ b/include/asm-avr32/system.h
+@@ -73,11 +73,16 @@ extern struct task_struct *__switch_to(struct task_struct *,
+
+ extern void __xchg_called_with_bad_pointer(void);
+
+-#ifdef __CHECKER__
+-extern unsigned long __builtin_xchg(void *ptr, unsigned long x);
+-#endif
++static inline unsigned long xchg_u32(u32 val, volatile u32 *m)
++{
++ u32 ret;
+
+-#define xchg_u32(val, m) __builtin_xchg((void *)m, val)
++ asm volatile("xchg %[ret], %[m], %[val]"
++ : [ret] "=&r"(ret), "=m"(*m)
++ : "m"(*m), [m] "r"(m), [val] "r"(val)
++ : "memory");
++ return ret;
++}
+
+ static inline unsigned long __xchg(unsigned long x,
+ volatile void *ptr,
+diff --git a/include/asm-avr32/unistd.h b/include/asm-avr32/unistd.h
+index 3b4e35b..de09009 100644
+--- a/include/asm-avr32/unistd.h
++++ b/include/asm-avr32/unistd.h
+@@ -303,6 +303,19 @@
+ #ifdef __KERNEL__
+ #define NR_syscalls 282
+
++/* Old stuff */
++#define __IGNORE_uselib
++#define __IGNORE_mmap
++
++/* NUMA stuff */
++#define __IGNORE_mbind
++#define __IGNORE_get_mempolicy
++#define __IGNORE_set_mempolicy
++#define __IGNORE_migrate_pages
++#define __IGNORE_move_pages
++
++/* SMP stuff */
++#define __IGNORE_getcpu
+
+ #define __ARCH_WANT_IPC_PARSE_VERSION
+ #define __ARCH_WANT_STAT64
+diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h
+new file mode 100644
+index 0000000..0602339
+--- /dev/null
++++ b/include/linux/atmel-ssc.h
+@@ -0,0 +1,312 @@
++#ifndef __INCLUDE_ATMEL_SSC_H
++#define __INCLUDE_ATMEL_SSC_H
+
-+ default:
-+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
-+ printk(KERN_ERR
-+ "udc: %s: RXRDY: Invalid endpoint state %d, "
-+ "halting endpoint...\n",
-+ ep_name(ep), ep->state);
-+ set_protocol_stall(udc, ep);
-+ break;
-+ }
++#include <linux/platform_device.h>
++#include <linux/list.h>
+
-+ goto restart;
-+ }
-+ if (epstatus & USBA_BIT(RX_SETUP)) {
-+ union {
-+ struct usb_ctrlrequest crq;
-+ unsigned long data[2];
-+ } crq;
-+ unsigned int pkt_len;
-+ int ret;
++struct ssc_device {
++ struct list_head list;
++ void __iomem *regs;
++ struct platform_device *pdev;
++ struct clk *clk;
++ int user;
++ int irq;
++};
+
-+ if (ep->state != WAIT_FOR_SETUP) {
-+ /*
-+ * Didn't expect a SETUP packet at this
-+ * point. Clean up any pending requests (which
-+ * may be successful).
-+ */
-+ int status = -EPROTO;
++struct ssc_device * __must_check ssc_request(unsigned int ssc_num);
++void ssc_free(struct ssc_device *ssc);
++
++/* SSC register offsets */
++
++/* SSC Control Register */
++#define SSC_CR 0x00000000
++#define SSC_CR_RXDIS_SIZE 1
++#define SSC_CR_RXDIS_OFFSET 1
++#define SSC_CR_RXEN_SIZE 1
++#define SSC_CR_RXEN_OFFSET 0
++#define SSC_CR_SWRST_SIZE 1
++#define SSC_CR_SWRST_OFFSET 15
++#define SSC_CR_TXDIS_SIZE 1
++#define SSC_CR_TXDIS_OFFSET 9
++#define SSC_CR_TXEN_SIZE 1
++#define SSC_CR_TXEN_OFFSET 8
++
++/* SSC Clock Mode Register */
++#define SSC_CMR 0x00000004
++#define SSC_CMR_DIV_SIZE 12
++#define SSC_CMR_DIV_OFFSET 0
++
++/* SSC Receive Clock Mode Register */
++#define SSC_RCMR 0x00000010
++#define SSC_RCMR_CKG_SIZE 2
++#define SSC_RCMR_CKG_OFFSET 6
++#define SSC_RCMR_CKI_SIZE 1
++#define SSC_RCMR_CKI_OFFSET 5
++#define SSC_RCMR_CKO_SIZE 3
++#define SSC_RCMR_CKO_OFFSET 2
++#define SSC_RCMR_CKS_SIZE 2
++#define SSC_RCMR_CKS_OFFSET 0
++#define SSC_RCMR_PERIOD_SIZE 8
++#define SSC_RCMR_PERIOD_OFFSET 24
++#define SSC_RCMR_START_SIZE 4
++#define SSC_RCMR_START_OFFSET 8
++#define SSC_RCMR_STOP_SIZE 1
++#define SSC_RCMR_STOP_OFFSET 12
++#define SSC_RCMR_STTDLY_SIZE 8
++#define SSC_RCMR_STTDLY_OFFSET 16
++
++/* SSC Receive Frame Mode Register */
++#define SSC_RFMR 0x00000014
++#define SSC_RFMR_DATLEN_SIZE 5
++#define SSC_RFMR_DATLEN_OFFSET 0
++#define SSC_RFMR_DATNB_SIZE 4
++#define SSC_RFMR_DATNB_OFFSET 8
++#define SSC_RFMR_FSEDGE_SIZE 1
++#define SSC_RFMR_FSEDGE_OFFSET 24
++#define SSC_RFMR_FSLEN_SIZE 4
++#define SSC_RFMR_FSLEN_OFFSET 16
++#define SSC_RFMR_FSOS_SIZE 4
++#define SSC_RFMR_FSOS_OFFSET 20
++#define SSC_RFMR_LOOP_SIZE 1
++#define SSC_RFMR_LOOP_OFFSET 5
++#define SSC_RFMR_MSBF_SIZE 1
++#define SSC_RFMR_MSBF_OFFSET 7
++
++/* SSC Transmit Clock Mode Register */
++#define SSC_TCMR 0x00000018
++#define SSC_TCMR_CKG_SIZE 2
++#define SSC_TCMR_CKG_OFFSET 6
++#define SSC_TCMR_CKI_SIZE 1
++#define SSC_TCMR_CKI_OFFSET 5
++#define SSC_TCMR_CKO_SIZE 3
++#define SSC_TCMR_CKO_OFFSET 2
++#define SSC_TCMR_CKS_SIZE 2
++#define SSC_TCMR_CKS_OFFSET 0
++#define SSC_TCMR_PERIOD_SIZE 8
++#define SSC_TCMR_PERIOD_OFFSET 24
++#define SSC_TCMR_START_SIZE 4
++#define SSC_TCMR_START_OFFSET 8
++#define SSC_TCMR_STTDLY_SIZE 8
++#define SSC_TCMR_STTDLY_OFFSET 16
++
++/* SSC Transmit Frame Mode Register */
++#define SSC_TFMR 0x0000001c
++#define SSC_TFMR_DATDEF_SIZE 1
++#define SSC_TFMR_DATDEF_OFFSET 5
++#define SSC_TFMR_DATLEN_SIZE 5
++#define SSC_TFMR_DATLEN_OFFSET 0
++#define SSC_TFMR_DATNB_SIZE 4
++#define SSC_TFMR_DATNB_OFFSET 8
++#define SSC_TFMR_FSDEN_SIZE 1
++#define SSC_TFMR_FSDEN_OFFSET 23
++#define SSC_TFMR_FSEDGE_SIZE 1
++#define SSC_TFMR_FSEDGE_OFFSET 24
++#define SSC_TFMR_FSLEN_SIZE 4
++#define SSC_TFMR_FSLEN_OFFSET 16
++#define SSC_TFMR_FSOS_SIZE 3
++#define SSC_TFMR_FSOS_OFFSET 20
++#define SSC_TFMR_MSBF_SIZE 1
++#define SSC_TFMR_MSBF_OFFSET 7
++
++/* SSC Receive Hold Register */
++#define SSC_RHR 0x00000020
++#define SSC_RHR_RDAT_SIZE 32
++#define SSC_RHR_RDAT_OFFSET 0
++
++/* SSC Transmit Hold Register */
++#define SSC_THR 0x00000024
++#define SSC_THR_TDAT_SIZE 32
++#define SSC_THR_TDAT_OFFSET 0
++
++/* SSC Receive Sync. Holding Register */
++#define SSC_RSHR 0x00000030
++#define SSC_RSHR_RSDAT_SIZE 16
++#define SSC_RSHR_RSDAT_OFFSET 0
++
++/* SSC Transmit Sync. Holding Register */
++#define SSC_TSHR 0x00000034
++#define SSC_TSHR_TSDAT_SIZE 16
++#define SSC_TSHR_RSDAT_OFFSET 0
++
++/* SSC Receive Compare 0 Register */
++#define SSC_RC0R 0x00000038
++#define SSC_RC0R_CP0_SIZE 16
++#define SSC_RC0R_CP0_OFFSET 0
++
++/* SSC Receive Compare 1 Register */
++#define SSC_RC1R 0x0000003c
++#define SSC_RC1R_CP1_SIZE 16
++#define SSC_RC1R_CP1_OFFSET 0
++
++/* SSC Status Register */
++#define SSC_SR 0x00000040
++#define SSC_SR_CP0_SIZE 1
++#define SSC_SR_CP0_OFFSET 8
++#define SSC_SR_CP1_SIZE 1
++#define SSC_SR_CP1_OFFSET 9
++#define SSC_SR_ENDRX_SIZE 1
++#define SSC_SR_ENDRX_OFFSET 6
++#define SSC_SR_ENDTX_SIZE 1
++#define SSC_SR_ENDTX_OFFSET 2
++#define SSC_SR_OVRUN_SIZE 1
++#define SSC_SR_OVRUN_OFFSET 5
++#define SSC_SR_RXBUFF_SIZE 1
++#define SSC_SR_RXBUFF_OFFSET 7
++#define SSC_SR_RXEN_SIZE 1
++#define SSC_SR_RXEN_OFFSET 17
++#define SSC_SR_RXRDY_SIZE 1
++#define SSC_SR_RXRDY_OFFSET 4
++#define SSC_SR_RXSYN_SIZE 1
++#define SSC_SR_RXSYN_OFFSET 11
++#define SSC_SR_TXBUFE_SIZE 1
++#define SSC_SR_TXBUFE_OFFSET 3
++#define SSC_SR_TXEMPTY_SIZE 1
++#define SSC_SR_TXEMPTY_OFFSET 1
++#define SSC_SR_TXEN_SIZE 1
++#define SSC_SR_TXEN_OFFSET 16
++#define SSC_SR_TXRDY_SIZE 1
++#define SSC_SR_TXRDY_OFFSET 0
++#define SSC_SR_TXSYN_SIZE 1
++#define SSC_SR_TXSYN_OFFSET 10
++
++/* SSC Interrupt Enable Register */
++#define SSC_IER 0x00000044
++#define SSC_IER_CP0_SIZE 1
++#define SSC_IER_CP0_OFFSET 8
++#define SSC_IER_CP1_SIZE 1
++#define SSC_IER_CP1_OFFSET 9
++#define SSC_IER_ENDRX_SIZE 1
++#define SSC_IER_ENDRX_OFFSET 6
++#define SSC_IER_ENDTX_SIZE 1
++#define SSC_IER_ENDTX_OFFSET 2
++#define SSC_IER_OVRUN_SIZE 1
++#define SSC_IER_OVRUN_OFFSET 5
++#define SSC_IER_RXBUFF_SIZE 1
++#define SSC_IER_RXBUFF_OFFSET 7
++#define SSC_IER_RXRDY_SIZE 1
++#define SSC_IER_RXRDY_OFFSET 4
++#define SSC_IER_RXSYN_SIZE 1
++#define SSC_IER_RXSYN_OFFSET 11
++#define SSC_IER_TXBUFE_SIZE 1
++#define SSC_IER_TXBUFE_OFFSET 3
++#define SSC_IER_TXEMPTY_SIZE 1
++#define SSC_IER_TXEMPTY_OFFSET 1
++#define SSC_IER_TXRDY_SIZE 1
++#define SSC_IER_TXRDY_OFFSET 0
++#define SSC_IER_TXSYN_SIZE 1
++#define SSC_IER_TXSYN_OFFSET 10
++
++/* SSC Interrupt Disable Register */
++#define SSC_IDR 0x00000048
++#define SSC_IDR_CP0_SIZE 1
++#define SSC_IDR_CP0_OFFSET 8
++#define SSC_IDR_CP1_SIZE 1
++#define SSC_IDR_CP1_OFFSET 9
++#define SSC_IDR_ENDRX_SIZE 1
++#define SSC_IDR_ENDRX_OFFSET 6
++#define SSC_IDR_ENDTX_SIZE 1
++#define SSC_IDR_ENDTX_OFFSET 2
++#define SSC_IDR_OVRUN_SIZE 1
++#define SSC_IDR_OVRUN_OFFSET 5
++#define SSC_IDR_RXBUFF_SIZE 1
++#define SSC_IDR_RXBUFF_OFFSET 7
++#define SSC_IDR_RXRDY_SIZE 1
++#define SSC_IDR_RXRDY_OFFSET 4
++#define SSC_IDR_RXSYN_SIZE 1
++#define SSC_IDR_RXSYN_OFFSET 11
++#define SSC_IDR_TXBUFE_SIZE 1
++#define SSC_IDR_TXBUFE_OFFSET 3
++#define SSC_IDR_TXEMPTY_SIZE 1
++#define SSC_IDR_TXEMPTY_OFFSET 1
++#define SSC_IDR_TXRDY_SIZE 1
++#define SSC_IDR_TXRDY_OFFSET 0
++#define SSC_IDR_TXSYN_SIZE 1
++#define SSC_IDR_TXSYN_OFFSET 10
++
++/* SSC Interrupt Mask Register */
++#define SSC_IMR 0x0000004c
++#define SSC_IMR_CP0_SIZE 1
++#define SSC_IMR_CP0_OFFSET 8
++#define SSC_IMR_CP1_SIZE 1
++#define SSC_IMR_CP1_OFFSET 9
++#define SSC_IMR_ENDRX_SIZE 1
++#define SSC_IMR_ENDRX_OFFSET 6
++#define SSC_IMR_ENDTX_SIZE 1
++#define SSC_IMR_ENDTX_OFFSET 2
++#define SSC_IMR_OVRUN_SIZE 1
++#define SSC_IMR_OVRUN_OFFSET 5
++#define SSC_IMR_RXBUFF_SIZE 1
++#define SSC_IMR_RXBUFF_OFFSET 7
++#define SSC_IMR_RXRDY_SIZE 1
++#define SSC_IMR_RXRDY_OFFSET 4
++#define SSC_IMR_RXSYN_SIZE 1
++#define SSC_IMR_RXSYN_OFFSET 11
++#define SSC_IMR_TXBUFE_SIZE 1
++#define SSC_IMR_TXBUFE_OFFSET 3
++#define SSC_IMR_TXEMPTY_SIZE 1
++#define SSC_IMR_TXEMPTY_OFFSET 1
++#define SSC_IMR_TXRDY_SIZE 1
++#define SSC_IMR_TXRDY_OFFSET 0
++#define SSC_IMR_TXSYN_SIZE 1
++#define SSC_IMR_TXSYN_OFFSET 10
++
++/* SSC PDC Receive Pointer Register */
++#define SSC_PDC_RPR 0x00000100
++
++/* SSC PDC Receive Counter Register */
++#define SSC_PDC_RCR 0x00000104
++
++/* SSC PDC Transmit Pointer Register */
++#define SSC_PDC_TPR 0x00000108
++
++/* SSC PDC Receive Next Pointer Register */
++#define SSC_PDC_RNPR 0x00000110
++
++/* SSC PDC Receive Next Counter Register */
++#define SSC_PDC_RNCR 0x00000114
++
++/* SSC PDC Transmit Counter Register */
++#define SSC_PDC_TCR 0x0000010c
++
++/* SSC PDC Transmit Next Pointer Register */
++#define SSC_PDC_TNPR 0x00000118
++
++/* SSC PDC Transmit Next Counter Register */
++#define SSC_PDC_TNCR 0x0000011c
++
++/* SSC PDC Transfer Control Register */
++#define SSC_PDC_PTCR 0x00000120
++#define SSC_PDC_PTCR_RXTDIS_SIZE 1
++#define SSC_PDC_PTCR_RXTDIS_OFFSET 1
++#define SSC_PDC_PTCR_RXTEN_SIZE 1
++#define SSC_PDC_PTCR_RXTEN_OFFSET 0
++#define SSC_PDC_PTCR_TXTDIS_SIZE 1
++#define SSC_PDC_PTCR_TXTDIS_OFFSET 9
++#define SSC_PDC_PTCR_TXTEN_SIZE 1
++#define SSC_PDC_PTCR_TXTEN_OFFSET 8
++
++/* SSC PDC Transfer Status Register */
++#define SSC_PDC_PTSR 0x00000124
++#define SSC_PDC_PTSR_RXTEN_SIZE 1
++#define SSC_PDC_PTSR_RXTEN_OFFSET 0
++#define SSC_PDC_PTSR_TXTEN_SIZE 1
++#define SSC_PDC_PTSR_TXTEN_OFFSET 8
+
-+ /*
-+ * RXRDY and TXCOMP are dropped when SETUP
-+ * packets arrive. Just pretend we received
-+ * the status packet.
-+ */
-+ if (ep->state == STATUS_STAGE_OUT
-+ || ep->state == STATUS_STAGE_IN) {
-+ usba_ep_writel(ep, CTL_DIS,
-+ USBA_BIT(RX_BK_RDY));
-+ status = 0;
-+ }
++/* Bit manipulation macros */
++#define SSC_BIT(name) \
++ (1 << SSC_##name##_OFFSET)
++#define SSC_BF(name, value) \
++ (((value) & ((1 << SSC_##name##_SIZE) - 1)) \
++ << SSC_##name##_OFFSET)
++#define SSC_BFEXT(name, value) \
++ (((value) >> SSC_##name##_OFFSET) \
++ & ((1 << SSC_##name##_SIZE) - 1))
++#define SSC_BFINS(name, value, old) \
++ (((old) & ~(((1 << SSC_##name##_SIZE) - 1) \
++ << SSC_##name##_OFFSET)) | SSC_BF(name, value))
+
-+ if (req) {
-+ list_del_init(&req->queue);
-+ request_complete(ep, req, status);
-+ }
-+ }
++/* Register access macros */
++#define ssc_readl(base, reg) __raw_readl(base + SSC_##reg)
++#define ssc_writel(base, reg, value) __raw_writel((value), base + SSC_##reg)
++
++#endif /* __INCLUDE_ATMEL_SSC_H */
+diff --git a/include/linux/spi/at73c213.h b/include/linux/spi/at73c213.h
+new file mode 100644
+index 0000000..0f20a70
+--- /dev/null
++++ b/include/linux/spi/at73c213.h
+@@ -0,0 +1,25 @@
++/*
++ * Board-specific data used to set up AT73c213 audio DAC driver.
++ */
+
-+ pkt_len = USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA));
-+ DBG(DBG_HW, "Packet length: %u\n", pkt_len);
-+ if (pkt_len != sizeof(crq)) {
-+ printk(KERN_WARNING
-+ "udc: Invalid packet length %u (expected %lu)\n",
-+ pkt_len, sizeof(crq));
-+ set_protocol_stall(udc, ep);
-+ return;
-+ }
++#ifndef __LINUX_SPI_AT73C213_H
++#define __LINUX_SPI_AT73C213_H
+
-+ DBG(DBG_FIFO, "Copying ctrl request from 0x%p:\n", ep->fifo);
-+ copy_from_fifo(crq.data, ep->fifo, sizeof(crq));
++/**
++ * at73c213_board_info - how the external DAC is wired to the device.
++ *
++ * @ssc_id: SSC platform_driver id the DAC shall use to stream the audio.
++ * @dac_clk: the external clock used to provide master clock to the DAC.
++ * @shortname: a short discription for the DAC, seen by userspace tools.
++ *
++ * This struct contains the configuration of the hardware connection to the
++ * external DAC. The DAC needs a master clock and a I2S audio stream. It also
++ * provides a name which is used to identify it in userspace tools.
++ */
++struct at73c213_board_info {
++ int ssc_id;
++ struct clk *dac_clk;
++ char shortname[32];
++};
+
-+ /* Free up one bank in the FIFO so that we can
-+ * generate or receive a reply right away. */
-+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_SETUP));
++#endif /* __LINUX_SPI_AT73C213_H */
+diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
+index f7844f6..6631586 100755
+--- a/scripts/checkstack.pl
++++ b/scripts/checkstack.pl
+@@ -12,6 +12,7 @@
+ # sh64 port by Paul Mundt
+ # Random bits by Matt Mackall <mpm@selenic.com>
+ # M68k port by Geert Uytterhoeven and Andreas Schwab
++# AVR32 port by Haavard Skinnemoen <hskinnemoen@atmel.com>
+ #
+ # Usage:
+ # objdump -d vmlinux | stackcheck.pl [arch]
+@@ -37,6 +38,10 @@ my (@stack, $re, $x, $xs);
+ if ($arch eq 'arm') {
+ #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64
+ $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
++ } elsif ($arch eq 'avr32') {
++ #8000008a: 20 1d sub sp,4
++ #80000ca8: fa cd 05 b0 sub sp,sp,1456
++ $re = qr/^.*sub.*sp.*,([0-9]{1,8})/o;
+ } elsif ($arch =~ /^i[3456]86$/) {
+ #c0105234: 81 ec ac 05 00 00 sub $0x5ac,%esp
+ $re = qr/^.*[as][du][db] \$(0x$x{1,8}),\%esp$/o;
+diff --git a/sound/Kconfig b/sound/Kconfig
+index e48b9b3..29a9979 100644
+--- a/sound/Kconfig
++++ b/sound/Kconfig
+@@ -63,6 +63,12 @@ source "sound/aoa/Kconfig"
+
+ source "sound/arm/Kconfig"
+
++source "sound/avr32/Kconfig"
+
-+ /* printk(KERN_DEBUG "setup: %d: %02x.%02x\n",
-+ ep->state, crq.crq.bRequestType,
-+ crq.crq.bRequest); */
++if SPI
++source "sound/spi/Kconfig"
++endif
+
-+ if (crq.crq.bRequestType & USB_DIR_IN) {
-+ /*
-+ * The USB 2.0 spec states that "if wLength is
-+ * zero, there is no data transfer phase."
-+ * However, testusb #14 seems to actually
-+ * expect a data phase even if wLength = 0...
-+ */
-+ ep->state = DATA_STAGE_IN;
-+ } else {
-+ if (crq.crq.wLength != __constant_cpu_to_le16(0))
-+ ep->state = DATA_STAGE_OUT;
-+ else
-+ ep->state = STATUS_STAGE_IN;
-+ }
+ source "sound/mips/Kconfig"
+
+ source "sound/sh/Kconfig"
+diff --git a/sound/Makefile b/sound/Makefile
+index 3ead922..e655df7 100644
+--- a/sound/Makefile
++++ b/sound/Makefile
+@@ -5,7 +5,8 @@ obj-$(CONFIG_SOUND) += soundcore.o
+ obj-$(CONFIG_SOUND_PRIME) += sound_firmware.o
+ obj-$(CONFIG_SOUND_PRIME) += oss/
+ obj-$(CONFIG_DMASOUND) += oss/
+-obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ sh/ synth/ usb/ sparc/ parisc/ pcmcia/ mips/ soc/
++obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ avr32/ sh/ synth/ usb/ sparc/ spi/ parisc/ pcmcia/ mips/ soc/
++
+ obj-$(CONFIG_SND_AOA) += aoa/
+
+ # This one must be compilable even if sound is configured out
+diff --git a/sound/avr32/Kconfig b/sound/avr32/Kconfig
+new file mode 100644
+index 0000000..17d1d91
+--- /dev/null
++++ b/sound/avr32/Kconfig
+@@ -0,0 +1,11 @@
++menu "AVR32 devices"
++ depends on SND != n && AVR32
++
++config SND_ATMEL_AC97
++ tristate "Atmel AC97 Controller Driver"
++ select SND_PCM
++ select SND_AC97_CODEC
++ help
++ ALSA sound driver for the Atmel AC97 controller.
+
-+ ret = -1;
-+ if (ep->index == 0)
-+ ret = handle_ep0_setup(udc, ep, &crq.crq);
-+ else
-+ ret = udc->driver->setup(&udc->gadget, &crq.crq);
++endmenu
+diff --git a/sound/avr32/Makefile b/sound/avr32/Makefile
+new file mode 100644
+index 0000000..5d87d0e
+--- /dev/null
++++ b/sound/avr32/Makefile
+@@ -0,0 +1,3 @@
++snd-atmel-ac97-objs := ac97c.o
++
++obj-$(CONFIG_SND_ATMEL_AC97) += snd-atmel-ac97.o
+diff --git a/sound/avr32/ac97c.c b/sound/avr32/ac97c.c
+new file mode 100644
+index 0000000..0ec0b1c
+--- /dev/null
++++ b/sound/avr32/ac97c.c
+@@ -0,0 +1,914 @@
++/*
++ * Driver for the Atmel AC97 controller
++ *
++ * Copyright (C) 2005-2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published by
++ * the Free Software Foundation.
++ */
++#include <linux/clk.h>
++#include <linux/delay.h>
++#include <linux/dma-mapping.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/mutex.h>
++#include <linux/io.h>
+
-+ DBG(DBG_BUS, "req %02x.%02x, length %d, state %d, ret %d\n",
-+ crq.crq.bRequestType, crq.crq.bRequest,
-+ le16_to_cpu(crq.crq.wLength), ep->state, ret);
++#include <sound/driver.h>
++#include <sound/core.h>
++#include <sound/initval.h>
++#include <sound/pcm.h>
++#include <sound/pcm_params.h>
++#include <sound/ac97_codec.h>
++#include <sound/memalloc.h>
+
-+ if (ret < 0) {
-+ /* Let the host know that we failed */
-+ set_protocol_stall(udc, ep);
-+ }
-+ }
-+}
++#include <asm/dma-controller.h>
+
-+static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep)
-+{
-+ struct usba_request *req;
-+ u32 epstatus;
-+ u32 epctrl;
++#include "ac97c.h"
+
-+ epstatus = usba_ep_readl(ep, STA);
-+ epctrl = usba_ep_readl(ep, CTL);
++/* Serialize access to opened */
++static DEFINE_MUTEX(opened_mutex);
+
-+ DBG(DBG_INT, "%s: interrupt, status: 0x%08x\n",
-+ ep_name(ep), epstatus);
++struct atmel_ac97_dma_info {
++ struct dma_request_cyclic req_tx;
++ struct dma_request_cyclic req_rx;
++ unsigned short rx_periph_id;
++ unsigned short tx_periph_id;
++};
+
-+ while ((epctrl & USBA_BIT(TX_PK_RDY))
-+ && !(epstatus & USBA_BIT(TX_PK_RDY))) {
-+ DBG(DBG_BUS, "%s: TX PK ready\n", ep_name(ep));
++struct atmel_ac97 {
++ /* Serialize access to opened */
++ spinlock_t lock;
++ void __iomem *regs;
++ struct snd_pcm_substream *playback_substream;
++ struct snd_pcm_substream *capture_substream;
++ struct snd_card *card;
++ struct snd_pcm *pcm;
++ struct snd_ac97 *ac97;
++ struct snd_ac97_bus *ac97_bus;
++ int opened;
++ int period;
++ u64 cur_format;
++ unsigned int cur_rate;
++ struct clk *mck;
++ struct platform_device *pdev;
++ struct atmel_ac97_dma_info dma;
++};
+
-+ if (list_empty(&ep->queue)) {
-+ dev_warn(&udc->pdev->dev, "ep_irq: queue empty\n");
-+ usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY));
-+ return;
-+ }
++#define get_chip(card) ((struct atmel_ac97 *)(card)->private_data)
+
-+ req = list_entry(ep->queue.next, struct usba_request, queue);
++#define ac97c_writel(chip, reg, val) \
++ __raw_writel((val), (chip)->regs + AC97C_##reg)
++#define ac97c_readl(chip, reg) \
++ __raw_readl((chip)->regs + AC97C_##reg)
+
-+ if (req->using_dma) {
-+ /* Send a zero-length packet */
-+ usba_ep_writel(ep, SET_STA,
-+ USBA_BIT(TX_PK_RDY));
-+ usba_ep_writel(ep, CTL_DIS,
-+ USBA_BIT(TX_PK_RDY));
-+ list_del_init(&req->queue);
-+ submit_next_request(ep);
-+ request_complete(ep, req, 0);
-+ } else {
-+ if (req->submitted)
-+ next_fifo_transaction(ep, req);
-+ else
-+ submit_request(ep, req);
++/*
++ * PCM part
++ */
++static struct snd_pcm_hardware snd_atmel_ac97_playback_hw = {
++ .info = (SNDRV_PCM_INFO_INTERLEAVED
++ | SNDRV_PCM_INFO_MMAP
++ | SNDRV_PCM_INFO_MMAP_VALID
++ | SNDRV_PCM_INFO_BLOCK_TRANSFER
++ | SNDRV_PCM_INFO_JOINT_DUPLEX),
++ .formats = (SNDRV_PCM_FMTBIT_S16_BE
++ | SNDRV_PCM_FMTBIT_S16_LE),
++ .rates = (SNDRV_PCM_RATE_CONTINUOUS),
++ .rate_min = 4000,
++ .rate_max = 48000,
++ .channels_min = 1,
++ .channels_max = 6,
++ .buffer_bytes_max = 64*1024,
++ .period_bytes_min = 512,
++ .period_bytes_max = 4095,
++ .periods_min = 8,
++ .periods_max = 1024,
++};
+
-+ if (req->last_transaction) {
-+ list_del_init(&req->queue);
-+ submit_next_request(ep);
-+ request_complete(ep, req, 0);
-+ }
-+ }
++static struct snd_pcm_hardware snd_atmel_ac97_capture_hw = {
++ .info = (SNDRV_PCM_INFO_INTERLEAVED
++ | SNDRV_PCM_INFO_MMAP
++ | SNDRV_PCM_INFO_MMAP_VALID
++ | SNDRV_PCM_INFO_BLOCK_TRANSFER
++ | SNDRV_PCM_INFO_JOINT_DUPLEX),
++ .formats = (SNDRV_PCM_FMTBIT_S16_BE
++ | SNDRV_PCM_FMTBIT_S16_LE),
++ .rates = (SNDRV_PCM_RATE_CONTINUOUS),
++ .rate_min = 4000,
++ .rate_max = 48000,
++ .channels_min = 1,
++ .channels_max = 2,
++ .buffer_bytes_max = 64*1024,
++ .period_bytes_min = 512,
++ .period_bytes_max = 4095,
++ .periods_min = 8,
++ .periods_max = 1024,
++};
+
-+ epstatus = usba_ep_readl(ep, STA);
-+ epctrl = usba_ep_readl(ep, CTL);
-+ }
-+ if ((epstatus & epctrl) & USBA_BIT(RX_BK_RDY)) {
-+ DBG(DBG_BUS, "%s: RX data ready\n", ep_name(ep));
-+ receive_data(ep);
-+ usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
-+ }
++/*
++ * PCM functions
++ */
++static int
++snd_atmel_ac97_playback_open(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++
++ mutex_lock(&opened_mutex);
++ chip->opened++;
++ runtime->hw = snd_atmel_ac97_playback_hw;
++ if (chip->cur_rate) {
++ runtime->hw.rate_min = chip->cur_rate;
++ runtime->hw.rate_max = chip->cur_rate;
++ }
++ if (chip->cur_format)
++ runtime->hw.formats = (1ULL << chip->cur_format);
++ mutex_unlock(&opened_mutex);
++ chip->playback_substream = substream;
++ chip->period = 0;
++ return 0;
+}
+
-+static void usba_dma_irq(struct usba_udc *udc, struct usba_ep *ep)
++static int
++snd_atmel_ac97_capture_open(struct snd_pcm_substream *substream)
+{
-+ struct usba_request *req;
-+ u32 status, control, pending;
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
+
-+ status = usba_dma_readl(ep, STATUS);
-+ control = usba_dma_readl(ep, CONTROL);
-+#ifdef CONFIG_DEBUG_FS
-+ ep->last_dma_status = status;
-+#endif
-+ pending = status & control;
-+ DBG(DBG_INT | DBG_DMA, "dma irq, s/%#08x, c/%#08x\n",
-+ status, control);
++ mutex_lock(&opened_mutex);
++ chip->opened++;
++ runtime->hw = snd_atmel_ac97_capture_hw;
++ if (chip->cur_rate) {
++ runtime->hw.rate_min = chip->cur_rate;
++ runtime->hw.rate_max = chip->cur_rate;
++ }
++ if (chip->cur_format)
++ runtime->hw.formats = (1ULL << chip->cur_format);
++ mutex_unlock(&opened_mutex);
++ chip->capture_substream = substream;
++ chip->period = 0;
++ return 0;
++}
+
-+ if (status & USBA_BIT(DMA_CH_EN)) {
-+ dev_err(&udc->pdev->dev,
-+ "DMA_CH_EN is set after transfer is finished!\n");
-+ dev_err(&udc->pdev->dev,
-+ "status=%#08x, pending=%#08x, control=%#08x\n",
-+ status, pending, control);
++static int snd_atmel_ac97_playback_close(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ mutex_lock(&opened_mutex);
++ chip->opened--;
++ if (!chip->opened) {
++ chip->cur_rate = 0;
++ chip->cur_format = 0;
++ }
++ mutex_unlock(&opened_mutex);
++ return 0;
++}
+
-+ /*
-+ * try to pretend nothing happened. We might have to
-+ * do something here...
-+ */
++static int snd_atmel_ac97_capture_close(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ mutex_lock(&opened_mutex);
++ chip->opened--;
++ if (!chip->opened) {
++ chip->cur_rate = 0;
++ chip->cur_format = 0;
+ }
++ mutex_unlock(&opened_mutex);
++ return 0;
++}
+
-+ if (list_empty(&ep->queue))
-+ /* Might happen if a reset comes along at the right moment */
-+ return;
++static int
++snd_atmel_ac97_playback_hw_params(struct snd_pcm_substream *substream,
++ struct snd_pcm_hw_params *hw_params)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ int err;
+
-+ if (pending & (USBA_BIT(DMA_END_TR_ST) | USBA_BIT(DMA_END_BUF_ST))) {
-+ req = list_entry(ep->queue.next, struct usba_request, queue);
-+ usba_update_req(ep, req, status);
++ err = snd_pcm_lib_malloc_pages(substream,
++ params_buffer_bytes(hw_params));
++ if (err < 0)
++ return err;
+
-+ list_del_init(&req->queue);
-+ submit_next_request(ep);
-+ request_complete(ep, req, 0);
-+ }
++ /* Set restrictions to params */
++ mutex_lock(&opened_mutex);
++ chip->cur_rate = params_rate(hw_params);
++ chip->cur_format = params_format(hw_params);
++ mutex_unlock(&opened_mutex);
++
++ return 0;
+}
+
-+static irqreturn_t usba_udc_irq(int irq, void *devid)
++static int
++snd_atmel_ac97_capture_hw_params(struct snd_pcm_substream *substream,
++ struct snd_pcm_hw_params *hw_params)
+{
-+ struct usba_udc *udc = devid;
-+ u32 status;
-+ u32 dma_status;
-+ u32 ep_status;
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ int err;
++
++ err = snd_pcm_lib_malloc_pages(substream,
++ params_buffer_bytes(hw_params));
++ if (err < 0)
++ return err;
++
++ /* Set restrictions to params */
++ mutex_lock(&opened_mutex);
++ chip->cur_rate = params_rate(hw_params);
++ chip->cur_format = params_format(hw_params);
++ mutex_unlock(&opened_mutex);
++
++ return 0;
++}
+
-+ spin_lock(&udc->lock);
++static int snd_atmel_ac97_playback_hw_free(struct snd_pcm_substream *substream)
++{
++ return snd_pcm_lib_free_pages(substream);
++}
+
-+ status = usba_readl(udc, INT_STA);
-+ DBG(DBG_INT, "irq, status=%#08x\n", status);
++static int snd_atmel_ac97_capture_hw_free(struct snd_pcm_substream *substream)
++{
+
-+ if (status & USBA_BIT(DET_SUSPEND)) {
-+ usba_writel(udc, INT_CLR, USBA_BIT(DET_SUSPEND));
-+ DBG(DBG_BUS, "Suspend detected\n");
-+ if (udc->gadget.speed != USB_SPEED_UNKNOWN
-+ && udc->driver && udc->driver->suspend)
-+ udc->driver->suspend(&udc->gadget);
-+ }
++ return snd_pcm_lib_free_pages(substream);
++}
+
-+ if (status & USBA_BIT(WAKE_UP)) {
-+ usba_writel(udc, INT_CLR, USBA_BIT(WAKE_UP));
-+ DBG(DBG_BUS, "Wake Up CPU detected\n");
-+ }
++static int snd_atmel_ac97_playback_prepare(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct platform_device *pdev = chip->pdev;
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ int block_size = frames_to_bytes(runtime, runtime->period_size);
++ unsigned long word = 0;
++ unsigned long buffer_size = 0;
+
-+ if (status & USBA_BIT(END_OF_RESUME)) {
-+ usba_writel(udc, INT_CLR, USBA_BIT(END_OF_RESUME));
-+ DBG(DBG_BUS, "Resume detected\n");
-+ if (udc->gadget.speed != USB_SPEED_UNKNOWN
-+ && udc->driver && udc->driver->resume)
-+ udc->driver->resume(&udc->gadget);
++ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr,
++ block_size * 2, DMA_TO_DEVICE);
++
++ /* Assign slots to channels */
++ switch (substream->runtime->channels) {
++ case 1:
++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A);
++ break;
++ case 2:
++ /* Assign Left and Right slot to Channel A */
++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A)
++ | AC97C_CH_ASSIGN(PCM_RIGHT, A);
++ break;
++ default:
++ /* TODO: support more than two channels */
++ return -EINVAL;
++ break;
+ }
++ ac97c_writel(chip, OCA, word);
+
-+ dma_status = USBA_BFEXT(DMA_INT, status);
-+ if (dma_status) {
-+ int i;
++ /* Configure sample format and size */
++ word = AC97C_CMR_PDCEN | AC97C_CMR_SIZE_16;
+
-+ for (i = 1; i < USBA_NR_ENDPOINTS; i++)
-+ if (dma_status & (1 << i))
-+ usba_dma_irq(udc, &usba_ep[i]);
++ switch (runtime->format) {
++ case SNDRV_PCM_FORMAT_S16_LE:
++ word |= AC97C_CMR_CEM_LITTLE;
++ break;
++ case SNDRV_PCM_FORMAT_S16_BE: /* fall through */
++ default:
++ word &= ~AC97C_CMR_CEM_LITTLE;
++ break;
+ }
+
-+ ep_status = USBA_BFEXT(EPT_INT, status);
-+ if (ep_status) {
-+ int i;
++ ac97c_writel(chip, CAMR, word);
+
-+ for (i = 0; i < USBA_NR_ENDPOINTS; i++)
-+ if (ep_status & (1 << i)) {
-+ if (ep_is_control(&usba_ep[i]))
-+ usba_control_irq(udc, &usba_ep[i]);
-+ else
-+ usba_ep_irq(udc, &usba_ep[i]);
-+ }
++ /* Set variable rate if needed */
++ if (runtime->rate != 48000) {
++ word = ac97c_readl(chip, MR);
++ word |= AC97C_MR_VRA;
++ ac97c_writel(chip, MR, word);
++ } else {
++ /* Clear Variable Rate Bit */
++ word = ac97c_readl(chip, MR);
++ word &= ~AC97C_MR_VRA;
++ ac97c_writel(chip, MR, word);
+ }
+
-+ if (status & USBA_BIT(END_OF_RESET)) {
-+ struct usba_ep *ep0;
-+
-+ usba_writel(udc, INT_CLR, USBA_BIT(END_OF_RESET));
-+ reset_all_endpoints(udc);
++ /* Set rate */
++ snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate);
+
-+ if (status & USBA_BIT(HIGH_SPEED)) {
-+ DBG(DBG_BUS, "High-speed bus reset detected\n");
-+ udc->gadget.speed = USB_SPEED_HIGH;
-+ } else {
-+ DBG(DBG_BUS, "Full-speed bus reset detected\n");
-+ udc->gadget.speed = USB_SPEED_FULL;
-+ }
++ buffer_size = frames_to_bytes(runtime, runtime->period_size) *
++ runtime->periods;
+
-+ ep0 = &usba_ep[0];
-+ ep0->desc = &usba_ep0_desc;
-+ ep0->state = WAIT_FOR_SETUP;
-+ usba_ep_writel(ep0, CFG,
-+ (USBA_BF(EPT_SIZE, EP0_EPT_SIZE)
-+ | USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL)
-+ | USBA_BF(BK_NUMBER, USBA_BK_NUMBER_ONE)));
-+ usba_ep_writel(ep0, CTL_ENB,
-+ USBA_BIT(EPT_ENABLE) | USBA_BIT(RX_SETUP));
-+ usba_writel(udc, INT_ENB, (usba_readl(udc, INT_ENB)
-+ | USBA_BF(EPT_INT, 1)
-+ | USBA_BIT(DET_SUSPEND)
-+ | USBA_BIT(END_OF_RESUME)));
++ chip->dma.req_tx.buffer_size = buffer_size;
++ chip->dma.req_tx.periods = runtime->periods;
+
-+ if (!(usba_ep_readl(ep0, CFG) & USBA_BIT(EPT_MAPPED)))
-+ dev_warn(&udc->pdev->dev,
-+ "WARNING: EP0 configuration is invalid!\n");
-+ }
++ BUG_ON(chip->dma.req_tx.buffer_size !=
++ (chip->dma.req_tx.periods *
++ frames_to_bytes(runtime, runtime->period_size)));
+
-+ spin_unlock(&udc->lock);
++ chip->dma.req_tx.buffer_start = runtime->dma_addr;
++ chip->dma.req_tx.data_reg = (dma_addr_t)(chip->regs + AC97C_CATHR + 2);
++ chip->dma.req_tx.periph_id = chip->dma.tx_periph_id;
++ chip->dma.req_tx.direction = DMA_DIR_MEM_TO_PERIPH;
++ chip->dma.req_tx.width = DMA_WIDTH_16BIT;
++ chip->dma.req_tx.dev_id = chip;
+
-+ return IRQ_HANDLED;
++ return 0;
+}
+
-+static irqreturn_t usba_vbus_irq(int irq, void *devid)
++static int snd_atmel_ac97_capture_prepare(struct snd_pcm_substream *substream)
+{
-+ struct usba_udc *udc = devid;
-+ int vbus;
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct platform_device *pdev = chip->pdev;
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ int block_size = frames_to_bytes(runtime, runtime->period_size);
++ unsigned long word = 0;
++ unsigned long buffer_size = 0;
+
-+ /* debounce */
-+ udelay(10);
++ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr,
++ block_size * 2, DMA_FROM_DEVICE);
+
-+ spin_lock(&udc->lock);
-+ vbus = gpio_get_value(udc->vbus_pin);
-+ if (vbus != udc->vbus_prev) {
-+ if (vbus) {
-+ usba_writel(udc, CTRL, USBA_BIT(EN_USBA));
-+ usba_writel(udc, INT_ENB, USBA_BIT(END_OF_RESET));
-+ } else {
-+ udc->gadget.speed = USB_SPEED_UNKNOWN;
-+ reset_all_endpoints(udc);
-+ usba_writel(udc, CTRL, 0);
-+ if (udc->driver)
-+ udc->driver->disconnect(&udc->gadget);
-+ }
-+ udc->vbus_prev = vbus;
++ /* Assign slots to channels */
++ switch (substream->runtime->channels) {
++ case 1:
++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A);
++ break;
++ case 2:
++ /* Assign Left and Right slot to Channel A */
++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A)
++ | AC97C_CH_ASSIGN(PCM_RIGHT, A);
++ break;
++ default:
++ /* TODO: support more than two channels */
++ return -EINVAL;
++ break;
+ }
-+ spin_unlock(&udc->lock);
++ ac97c_writel(chip, ICA, word);
+
-+ return IRQ_HANDLED;
-+}
++ /* Configure sample format and size */
++ word = AC97C_CMR_PDCEN | AC97C_CMR_SIZE_16;
+
-+int usb_gadget_register_driver(struct usb_gadget_driver *driver)
-+{
-+ struct usba_udc *udc = &the_udc;
-+ unsigned long flags;
-+ int ret;
++ switch (runtime->format) {
++ case SNDRV_PCM_FORMAT_S16_LE:
++ word |= AC97C_CMR_CEM_LITTLE;
++ break;
++ case SNDRV_PCM_FORMAT_S16_BE:
++ default:
++ word &= ~(AC97C_CMR_CEM_LITTLE);
++ break;
++ }
+
-+ if (!udc->pdev)
-+ return -ENODEV;
++ ac97c_writel(chip, CAMR, word);
+
-+ spin_lock_irqsave(&udc->lock, flags);
-+ if (udc->driver) {
-+ spin_unlock_irqrestore(&udc->lock, flags);
-+ return -EBUSY;
++ /* Set variable rate if needed */
++ if (runtime->rate != 48000) {
++ word = ac97c_readl(chip, MR);
++ word |= AC97C_MR_VRA;
++ ac97c_writel(chip, MR, word);
++ } else {
++ /* Clear Variable Rate Bit */
++ word = ac97c_readl(chip, MR);
++ word &= ~(AC97C_MR_VRA);
++ ac97c_writel(chip, MR, word);
+ }
+
-+ udc->driver = driver;
-+ udc->gadget.dev.driver = &driver->driver;
-+ spin_unlock_irqrestore(&udc->lock, flags);
-+
-+ clk_enable(udc->pclk);
-+ clk_enable(udc->hclk);
++ /* Set rate */
++ snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate);
+
-+ ret = driver->bind(&udc->gadget);
-+ if (ret) {
-+ DBG(DBG_ERR, "Could not bind to driver %s: error %d\n",
-+ driver->driver.name, ret);
-+ goto err_driver_bind;
-+ }
++ buffer_size = frames_to_bytes(runtime, runtime->period_size) *
++ runtime->periods;
+
-+ DBG(DBG_GADGET, "registered driver `%s'\n", driver->driver.name);
++ chip->dma.req_rx.buffer_size = buffer_size;
++ chip->dma.req_rx.periods = runtime->periods;
+
-+ udc->vbus_prev = 0;
-+ if (udc->vbus_pin != -1) {
-+ ret = request_irq(gpio_to_irq(udc->vbus_pin),
-+ usba_vbus_irq, 0, "atmel_usba_udc", udc);
-+ if (ret) {
-+ gpio_free(udc->vbus_pin);
-+ udc->vbus_pin = -1;
-+ dev_warn(&udc->pdev->dev,
-+ "failed to request vbus irq; "
-+ "assuming always on\n");
-+ }
-+ }
++ BUG_ON(chip->dma.req_rx.buffer_size !=
++ (chip->dma.req_rx.periods *
++ frames_to_bytes(runtime, runtime->period_size)));
+
-+ /* If Vbus is present, enable the controller and wait for reset */
-+ spin_lock_irqsave(&udc->lock, flags);
-+ if (vbus_is_present(udc) && udc->vbus_prev == 0) {
-+ usba_writel(udc, CTRL, USBA_BIT(EN_USBA));
-+ usba_writel(udc, INT_ENB, USBA_BIT(END_OF_RESET));
-+ }
-+ spin_unlock_irqrestore(&udc->lock, flags);
++ chip->dma.req_rx.buffer_start = runtime->dma_addr;
++ chip->dma.req_rx.data_reg = (dma_addr_t)(chip->regs + AC97C_CARHR + 2);
++ chip->dma.req_rx.periph_id = chip->dma.rx_periph_id;
++ chip->dma.req_rx.direction = DMA_DIR_PERIPH_TO_MEM;
++ chip->dma.req_rx.width = DMA_WIDTH_16BIT;
++ chip->dma.req_rx.dev_id = chip;
+
+ return 0;
-+
-+err_driver_bind:
-+ udc->driver = NULL;
-+ udc->gadget.dev.driver = NULL;
-+ return ret;
+}
-+EXPORT_SYMBOL(usb_gadget_register_driver);
+
-+int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
++ static int
++snd_atmel_ac97_playback_trigger(struct snd_pcm_substream *substream, int cmd)
+{
-+ struct usba_udc *udc = &the_udc;
-+ unsigned long flags;
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ unsigned long camr;
++ int flags, err = 0;
+
-+ if (!udc->pdev)
-+ return -ENODEV;
-+ if (driver != udc->driver)
-+ return -EINVAL;
++ spin_lock_irqsave(&chip->lock, flags);
++ camr = ac97c_readl(chip, CAMR);
+
-+ if (udc->vbus_pin != -1)
-+ free_irq(gpio_to_irq(udc->vbus_pin), udc);
++ switch (cmd) {
++ case SNDRV_PCM_TRIGGER_START:
++ err = dma_prepare_request_cyclic(chip->dma.req_tx.req.dmac,
++ &chip->dma.req_tx);
++ dma_start_request(chip->dma.req_tx.req.dmac,
++ chip->dma.req_tx.req.channel);
++ camr |= AC97C_CMR_CENA;
++ break;
++ case SNDRV_PCM_TRIGGER_STOP:
++ err = dma_stop_request(chip->dma.req_tx.req.dmac,
++ chip->dma.req_tx.req.channel);
++ if (chip->opened <= 1)
++ camr &= ~AC97C_CMR_CENA;
++ break;
++ default:
++ err = -EINVAL;
++ break;
++ }
+
-+ spin_lock_irqsave(&udc->lock, flags);
-+ udc->gadget.speed = USB_SPEED_UNKNOWN;
-+ reset_all_endpoints(udc);
-+ spin_unlock_irqrestore(&udc->lock, flags);
++ ac97c_writel(chip, CAMR, camr);
+
-+ /* This will also disable the DP pullup */
-+ usba_writel(udc, CTRL, 0);
++ spin_unlock_irqrestore(&chip->lock, flags);
++ return err;
++}
+
-+ driver->unbind(&udc->gadget);
-+ udc->gadget.dev.driver = NULL;
-+ udc->driver = NULL;
++ static int
++snd_atmel_ac97_capture_trigger(struct snd_pcm_substream *substream, int cmd)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ unsigned long camr;
++ int flags, err = 0;
+
-+ clk_disable(udc->hclk);
-+ clk_disable(udc->pclk);
++ spin_lock_irqsave(&chip->lock, flags);
++ camr = ac97c_readl(chip, CAMR);
+
-+ DBG(DBG_GADGET, "unregistered driver `%s'\n", driver->driver.name);
++ switch (cmd) {
++ case SNDRV_PCM_TRIGGER_START:
++ err = dma_prepare_request_cyclic(chip->dma.req_rx.req.dmac,
++ &chip->dma.req_rx);
++ dma_start_request(chip->dma.req_rx.req.dmac,
++ chip->dma.req_rx.req.channel);
++ camr |= AC97C_CMR_CENA;
++ break;
++ case SNDRV_PCM_TRIGGER_STOP:
++ err = dma_stop_request(chip->dma.req_rx.req.dmac,
++ chip->dma.req_rx.req.channel);
++ mutex_lock(&opened_mutex);
++ if (chip->opened <= 1)
++ camr &= ~AC97C_CMR_CENA;
++ mutex_unlock(&opened_mutex);
++ break;
++ default:
++ err = -EINVAL;
++ break;
++ }
+
-+ return 0;
++ ac97c_writel(chip, CAMR, camr);
++
++ spin_unlock_irqrestore(&chip->lock, flags);
++ return err;
+}
-+EXPORT_SYMBOL(usb_gadget_unregister_driver);
+
-+static int __devinit usba_udc_probe(struct platform_device *pdev)
++ static snd_pcm_uframes_t
++snd_atmel_ac97_playback_pointer(struct snd_pcm_substream *substream)
+{
-+ struct usba_platform_data *pdata = pdev->dev.platform_data;
-+ struct resource *regs, *fifo;
-+ struct clk *pclk, *hclk;
-+ struct usba_udc *udc = &the_udc;
-+ int irq, ret, i;
-+
-+ regs = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID);
-+ fifo = platform_get_resource(pdev, IORESOURCE_MEM, FIFO_IOMEM_ID);
-+ if (!regs || !fifo)
-+ return -ENXIO;
-+
-+ irq = platform_get_irq(pdev, 0);
-+ if (irq < 0)
-+ return irq;
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ snd_pcm_uframes_t pos;
++ unsigned long bytes;
+
-+ pclk = clk_get(&pdev->dev, "pclk");
-+ if (IS_ERR(pclk))
-+ return PTR_ERR(pclk);
-+ hclk = clk_get(&pdev->dev, "hclk");
-+ if (IS_ERR(hclk)) {
-+ ret = PTR_ERR(hclk);
-+ goto err_get_hclk;
-+ }
++ bytes = (dma_get_current_pos
++ (chip->dma.req_tx.req.dmac,
++ chip->dma.req_tx.req.channel) - runtime->dma_addr);
++ pos = bytes_to_frames(runtime, bytes);
++ if (pos >= runtime->buffer_size)
++ pos -= runtime->buffer_size;
+
-+ udc->pdev = pdev;
-+ udc->pclk = pclk;
-+ udc->hclk = hclk;
-+ udc->vbus_pin = -1;
++ return pos;
++}
+
-+ ret = -ENOMEM;
-+ udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
-+ if (!udc->regs) {
-+ dev_err(&pdev->dev, "Unable to map I/O memory, aborting.\n");
-+ goto err_map_regs;
-+ }
-+ dev_info(&pdev->dev, "MMIO registers at 0x%08lx mapped at %p\n",
-+ (unsigned long)regs->start, udc->regs);
-+ udc->fifo = ioremap(fifo->start, fifo->end - fifo->start + 1);
-+ if (!udc->fifo) {
-+ dev_err(&pdev->dev, "Unable to map FIFO, aborting.\n");
-+ goto err_map_fifo;
-+ }
-+ dev_info(&pdev->dev, "FIFO at 0x%08lx mapped at %p\n",
-+ (unsigned long)fifo->start, udc->fifo);
++ static snd_pcm_uframes_t
++snd_atmel_ac97_capture_pointer(struct snd_pcm_substream *substream)
++{
++ struct atmel_ac97 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ snd_pcm_uframes_t pos;
++ unsigned long bytes;
+
-+ device_initialize(&udc->gadget.dev);
-+ udc->gadget.dev.parent = &pdev->dev;
-+ udc->gadget.dev.dma_mask = pdev->dev.dma_mask;
++ bytes = (dma_get_current_pos
++ (chip->dma.req_rx.req.dmac,
++ chip->dma.req_rx.req.channel)
++ - runtime->dma_addr);
++ pos = bytes_to_frames(runtime, bytes);
++ if (pos >= runtime->buffer_size)
++ pos -= runtime->buffer_size;
+
-+ platform_set_drvdata(pdev, udc);
+
-+ /* Make sure we start from a clean slate */
-+ clk_enable(pclk);
-+ usba_writel(udc, CTRL, 0);
-+ clk_disable(pclk);
++ return pos;
++}
+
-+ INIT_LIST_HEAD(&usba_ep[0].ep.ep_list);
-+ usba_ep[0].ep_regs = udc->regs + USBA_EPT_BASE(0);
-+ usba_ep[0].dma_regs = udc->regs + USBA_DMA_BASE(0);
-+ usba_ep[0].fifo = udc->fifo + USBA_FIFO_BASE(0);
-+ for (i = 1; i < ARRAY_SIZE(usba_ep); i++) {
-+ struct usba_ep *ep = &usba_ep[i];
++static struct snd_pcm_ops atmel_ac97_playback_ops = {
++ .open = snd_atmel_ac97_playback_open,
++ .close = snd_atmel_ac97_playback_close,
++ .ioctl = snd_pcm_lib_ioctl,
++ .hw_params = snd_atmel_ac97_playback_hw_params,
++ .hw_free = snd_atmel_ac97_playback_hw_free,
++ .prepare = snd_atmel_ac97_playback_prepare,
++ .trigger = snd_atmel_ac97_playback_trigger,
++ .pointer = snd_atmel_ac97_playback_pointer,
++};
+
-+ ep->ep_regs = udc->regs + USBA_EPT_BASE(i);
-+ ep->dma_regs = udc->regs + USBA_DMA_BASE(i);
-+ ep->fifo = udc->fifo + USBA_FIFO_BASE(i);
++static struct snd_pcm_ops atmel_ac97_capture_ops = {
++ .open = snd_atmel_ac97_capture_open,
++ .close = snd_atmel_ac97_capture_close,
++ .ioctl = snd_pcm_lib_ioctl,
++ .hw_params = snd_atmel_ac97_capture_hw_params,
++ .hw_free = snd_atmel_ac97_capture_hw_free,
++ .prepare = snd_atmel_ac97_capture_prepare,
++ .trigger = snd_atmel_ac97_capture_trigger,
++ .pointer = snd_atmel_ac97_capture_pointer,
++};
+
-+ list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
-+ }
++static struct ac97_pcm atmel_ac97_pcm_defs[] __devinitdata = {
++ /* Playback */
++ {
++ .exclusive = 1,
++ .r = { {
++ .slots = ((1 << AC97_SLOT_PCM_LEFT)
++ | (1 << AC97_SLOT_PCM_RIGHT)
++ | (1 << AC97_SLOT_PCM_CENTER)
++ | (1 << AC97_SLOT_PCM_SLEFT)
++ | (1 << AC97_SLOT_PCM_SRIGHT)
++ | (1 << AC97_SLOT_LFE)),
++ } }
++ },
++ /* PCM in */
++ {
++ .stream = 1,
++ .exclusive = 1,
++ .r = { {
++ .slots = ((1 << AC97_SLOT_PCM_LEFT)
++ | (1 << AC97_SLOT_PCM_RIGHT)),
++ } }
++ },
++ /* Mic in */
++ {
++ .stream = 1,
++ .exclusive = 1,
++ .r = { {
++ .slots = (1<<AC97_SLOT_MIC),
++ } }
++ },
++};
+
-+ ret = request_irq(irq, usba_udc_irq, IRQF_SAMPLE_RANDOM,
-+ "atmel_usba_udc", udc);
-+ if (ret) {
-+ dev_err(&pdev->dev, "Cannot request irq %d (error %d)\n",
-+ irq, ret);
-+ goto err_request_irq;
-+ }
-+ udc->irq = irq;
++static int __devinit snd_atmel_ac97_pcm_new(struct atmel_ac97 *chip)
++{
++ struct snd_pcm *pcm;
++ int err;
+
-+ ret = device_add(&udc->gadget.dev);
-+ if (ret) {
-+ dev_dbg(&pdev->dev, "Could not add gadget: %d\n", ret);
-+ goto err_device_add;
-+ }
++ err = snd_ac97_pcm_assign(chip->ac97_bus,
++ ARRAY_SIZE(atmel_ac97_pcm_defs),
++ atmel_ac97_pcm_defs);
++ if (err)
++ return err;
+
-+ if (pdata && pdata->vbus_pin != GPIO_PIN_NONE)
-+ if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc"))
-+ udc->vbus_pin = pdata->vbus_pin;
++ err = snd_pcm_new(chip->card, "Atmel-AC97", 0, 1, 1, &pcm);
++ if (err)
++ return err;
+
-+ usba_init_debugfs(udc);
-+ for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
-+ usba_ep_init_debugfs(udc, &usba_ep[i]);
++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
++ &atmel_ac97_playback_ops);
++
++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
++ &atmel_ac97_capture_ops);
++
++ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
++ &chip->pdev->dev,
++ 128 * 1024, 128 * 1024);
++
++ pcm->private_data = chip;
++ pcm->info_flags = 0;
++ strcpy(pcm->name, "Atmel-AC97");
++ chip->pcm = pcm;
+
+ return 0;
++}
+
-+err_device_add:
-+ free_irq(irq, udc);
-+err_request_irq:
-+ iounmap(udc->fifo);
-+err_map_fifo:
-+ iounmap(udc->regs);
-+err_map_regs:
-+ clk_put(hclk);
-+err_get_hclk:
-+ clk_put(pclk);
++/*
++ * Mixer part.
++ */
++static int snd_atmel_ac97_mixer_new(struct atmel_ac97 *chip)
++{
++ int err;
++ struct snd_ac97_template template;
+
-+ platform_set_drvdata(pdev, NULL);
++ memset(&template, 0, sizeof(template));
++ template.private_data = chip;
++ err = snd_ac97_mixer(chip->ac97_bus, &template, &chip->ac97);
+
-+ return ret;
++ return err;
+}
+
-+static int __devexit usba_udc_remove(struct platform_device *pdev)
++static void atmel_ac97_error(struct dma_request *_req)
+{
-+ struct usba_udc *udc;
-+ int i;
++ struct dma_request_cyclic *req = to_dma_request_cyclic(_req);
++ struct atmel_ac97 *chip = req->dev_id;
+
-+ udc = platform_get_drvdata(pdev);
++ dev_dbg(&chip->pdev->dev, "DMA Controller error, channel %d\n",
++ req->req.channel);
++}
+
-+ for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
-+ usba_ep_cleanup_debugfs(&usba_ep[i]);
-+ usba_cleanup_debugfs(udc);
++static void atmel_ac97_block_complete(struct dma_request *_req)
++{
++ struct dma_request_cyclic *req = to_dma_request_cyclic(_req);
++ struct atmel_ac97 *chip = req->dev_id;
++ if (req->periph_id == chip->dma.tx_periph_id)
++ snd_pcm_period_elapsed(chip->playback_substream);
++ else
++ snd_pcm_period_elapsed(chip->capture_substream);
++}
+
-+ if (udc->vbus_pin != -1)
-+ gpio_free(udc->vbus_pin);
++/*
++ * Codec part.
++ */
++static void snd_atmel_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
++ unsigned short val)
++{
++ struct atmel_ac97 *chip = get_chip(ac97);
++ unsigned long word;
++ int timeout = 40;
+
-+ free_irq(udc->irq, udc);
-+ iounmap(udc->fifo);
-+ iounmap(udc->regs);
-+ clk_put(udc->hclk);
-+ clk_put(udc->pclk);
++ word = (reg & 0x7f) << 16 | val;
+
-+ device_unregister(&udc->gadget.dev);
++ do {
++ if (ac97c_readl(chip, COSR) & AC97C_CSR_TXRDY) {
++ ac97c_writel(chip, COTHR, word);
++ return;
++ }
++ udelay(1);
++ } while (--timeout);
+
-+ return 0;
++ dev_dbg(&chip->pdev->dev, "codec write timeout\n");
+}
+
-+static struct platform_driver udc_driver = {
-+ .probe = usba_udc_probe,
-+ .remove = __devexit_p(usba_udc_remove),
-+ .driver = {
-+ .name = "atmel_usba_udc",
-+ },
-+};
++static unsigned short snd_atmel_ac97_read(struct snd_ac97 *ac97,
++ unsigned short reg)
++{
++ struct atmel_ac97 *chip = get_chip(ac97);
++ unsigned long word;
++ int timeout = 40;
++ int write = 10;
+
-+static int __init udc_init(void)
++ word = (0x80 | (reg & 0x7f)) << 16;
++
++ if ((ac97c_readl(chip, COSR) & AC97C_CSR_RXRDY) != 0)
++ ac97c_readl(chip, CORHR);
++
++retry_write:
++ timeout = 40;
++
++ do {
++ if ((ac97c_readl(chip, COSR) & AC97C_CSR_TXRDY) != 0) {
++ ac97c_writel(chip, COTHR, word);
++ goto read_reg;
++ }
++ mdelay(10);
++ } while (--timeout);
++
++ if (!--write)
++ goto timed_out;
++ goto retry_write;
++
++read_reg:
++ do {
++ if ((ac97c_readl(chip, COSR) & AC97C_CSR_RXRDY) != 0) {
++ unsigned short val = ac97c_readl(chip, CORHR);
++ return val;
++ }
++ mdelay(10);
++ } while (--timeout);
++
++ if (!--write)
++ goto timed_out;
++ goto retry_write;
++
++timed_out:
++ dev_dbg(&chip->pdev->dev, "codec read timeout\n");
++ return 0xffff;
++}
++
++static void snd_atmel_ac97_reset(struct atmel_ac97 *chip)
+{
-+ return platform_driver_register(&udc_driver);
++ ac97c_writel(chip, MR, AC97C_MR_WRST);
++ mdelay(1);
++ ac97c_writel(chip, MR, AC97C_MR_ENA);
+}
-+module_init(udc_init);
+
-+static void __exit udc_exit(void)
++static void snd_atmel_ac97_destroy(struct snd_card *card)
+{
-+ platform_driver_unregister(&udc_driver);
++ struct atmel_ac97 *chip = get_chip(card);
++
++ if (chip->regs)
++ iounmap(chip->regs);
++
++ if (chip->mck) {
++ clk_disable(chip->mck);
++ clk_put(chip->mck);
++ }
++
++ if (chip->dma.req_tx.req.dmac) {
++ dma_release_channel(chip->dma.req_tx.req.dmac,
++ chip->dma.req_tx.req.channel);
++ }
++ if (chip->dma.req_rx.req.dmac) {
++ dma_release_channel(chip->dma.req_rx.req.dmac,
++ chip->dma.req_rx.req.channel);
++ }
+}
-+module_exit(udc_exit);
+
-+MODULE_DESCRIPTION("Atmel USBA UDC driver");
-+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
-+MODULE_LICENSE("GPL");
-diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/atmel_usba_udc.h linux-avr32.git/drivers/usb/gadget/atmel_usba_udc.h
---- linux-2.6.22.1/drivers/usb/gadget/atmel_usba_udc.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/usb/gadget/atmel_usba_udc.h 2007-07-12 14:00:19.000000000 +0200
-@@ -0,0 +1,402 @@
-+/*
-+ * Driver for the Atmel USBA high speed USB device controller
-+ *
-+ * Copyright (C) 2005-2007 Atmel Corporation
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+#ifndef __LINUX_USB_GADGET_USBA_UDC_H__
-+#define __LINUX_USB_GADGET_USBA_UDC_H__
++static int __devinit snd_atmel_ac97_create(struct snd_card *card,
++ struct platform_device *pdev)
++{
++ static struct snd_ac97_bus_ops ops = {
++ .write = snd_atmel_ac97_write,
++ .read = snd_atmel_ac97_read,
++ };
++ struct atmel_ac97 *chip = get_chip(card);
++ struct resource *regs;
++ struct clk *mck;
++ int err;
+
-+/* USB register offsets */
-+#define USBA_CTRL 0x0000
-+#define USBA_FNUM 0x0004
-+#define USBA_INT_ENB 0x0010
-+#define USBA_INT_STA 0x0014
-+#define USBA_INT_CLR 0x0018
-+#define USBA_EPT_RST 0x001c
-+#define USBA_TST_SOF_CNT 0x00d0
-+#define USBA_TST_CNT_A 0x00d4
-+#define USBA_TST_CNT_B 0x00d8
-+#define USBA_TST_MODE_REG 0x00dc
-+#define USBA_TST 0x00e0
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs)
++ return -ENXIO;
+
-+/* USB endpoint register offsets */
-+#define USBA_EPT_CFG 0x0000
-+#define USBA_EPT_CTL_ENB 0x0004
-+#define USBA_EPT_CTL_DIS 0x0008
-+#define USBA_EPT_CTL 0x000c
-+#define USBA_EPT_SET_STA 0x0014
-+#define USBA_EPT_CLR_STA 0x0018
-+#define USBA_EPT_STA 0x001c
++ mck = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(mck))
++ return PTR_ERR(mck);
++ clk_enable(mck);
++ chip->mck = mck;
+
-+/* USB DMA register offsets */
-+#define USBA_DMA_NXT_DSC 0x0000
-+#define USBA_DMA_ADDRESS 0x0004
-+#define USBA_DMA_CONTROL 0x0008
-+#define USBA_DMA_STATUS 0x000c
++ card->private_free = snd_atmel_ac97_destroy;
+
-+/* Bitfields in CTRL */
-+#define USBA_DEV_ADDR_OFFSET 0
-+#define USBA_DEV_ADDR_SIZE 7
-+#define USBA_FADDR_EN_OFFSET 7
-+#define USBA_FADDR_EN_SIZE 1
-+#define USBA_EN_USBA_OFFSET 8
-+#define USBA_EN_USBA_SIZE 1
-+#define USBA_DETACH_OFFSET 9
-+#define USBA_DETACH_SIZE 1
-+#define USBA_REMOTE_WAKE_UP_OFFSET 10
-+#define USBA_REMOTE_WAKE_UP_SIZE 1
++ spin_lock_init(&chip->lock);
++ chip->card = card;
++ chip->pdev = pdev;
+
-+/* Bitfields in FNUM */
-+#define USBA_MICRO_FRAME_NUM_OFFSET 0
-+#define USBA_MICRO_FRAME_NUM_SIZE 3
-+#define USBA_FRAME_NUMBER_OFFSET 3
-+#define USBA_FRAME_NUMBER_SIZE 11
-+#define USBA_FRAME_NUM_ERROR_OFFSET 31
-+#define USBA_FRAME_NUM_ERROR_SIZE 1
++ chip->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!chip->regs)
++ return -ENOMEM;
+
-+/* Bitfields in INT_ENB/INT_STA/INT_CLR */
-+#define USBA_HIGH_SPEED_OFFSET 0
-+#define USBA_HIGH_SPEED_SIZE 1
-+#define USBA_DET_SUSPEND_OFFSET 1
-+#define USBA_DET_SUSPEND_SIZE 1
-+#define USBA_MICRO_SOF_OFFSET 2
-+#define USBA_MICRO_SOF_SIZE 1
-+#define USBA_SOF_OFFSET 3
-+#define USBA_SOF_SIZE 1
-+#define USBA_END_OF_RESET_OFFSET 4
-+#define USBA_END_OF_RESET_SIZE 1
-+#define USBA_WAKE_UP_OFFSET 5
-+#define USBA_WAKE_UP_SIZE 1
-+#define USBA_END_OF_RESUME_OFFSET 6
-+#define USBA_END_OF_RESUME_SIZE 1
-+#define USBA_UPSTREAM_RESUME_OFFSET 7
-+#define USBA_UPSTREAM_RESUME_SIZE 1
-+#define USBA_EPT_INT_OFFSET 8
-+#define USBA_EPT_INT_SIZE 16
-+#define USBA_DMA_INT_OFFSET 24
-+#define USBA_DMA_INT_SIZE 8
++ snd_card_set_dev(card, &pdev->dev);
+
-+/* Bitfields in EPT_RST */
-+#define USBA_RST_OFFSET 0
-+#define USBA_RST_SIZE 16
++ err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus);
+
-+/* Bitfields in TST_SOF_CNT */
-+#define USBA_SOF_CNT_MAX_OFFSET 0
-+#define USBA_SOF_CNT_MAX_SIZE 7
-+#define USBA_SOF_CNT_LOAD_OFFSET 7
-+#define USBA_SOF_CNT_LOAD_SIZE 1
++ return err;
++}
+
-+/* Bitfields in TST_CNT_A */
-+#define USBA_CNT_A_MAX_OFFSET 0
-+#define USBA_CNT_A_MAX_SIZE 7
-+#define USBA_CNT_A_LOAD_OFFSET 7
-+#define USBA_CNT_A_LOAD_SIZE 1
++static int __devinit snd_atmel_ac97_probe(struct platform_device *pdev)
++{
++ static int dev;
++ struct snd_card *card;
++ struct atmel_ac97 *chip;
++ int err;
++ int ch;
+
-+/* Bitfields in TST_CNT_B */
-+#define USBA_CNT_B_MAX_OFFSET 0
-+#define USBA_CNT_B_MAX_SIZE 7
-+#define USBA_CNT_B_LOAD_OFFSET 7
-+#define USBA_CNT_B_LOAD_SIZE 1
++ mutex_init(&opened_mutex);
+
-+/* Bitfields in TST_MODE_REG */
-+#define USBA_TST_MODE_OFFSET 0
-+#define USBA_TST_MODE_SIZE 6
++ err = -ENOMEM;
++ card = snd_card_new(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
++ THIS_MODULE, sizeof(struct atmel_ac97));
++ if (!card)
++ goto out;
++ chip = get_chip(card);
+
-+/* Bitfields in USBA_TST */
-+#define USBA_SPEED_CFG_OFFSET 0
-+#define USBA_SPEED_CFG_SIZE 2
-+#define USBA_TST_J_MODE_OFFSET 2
-+#define USBA_TST_J_MODE_SIZE 1
-+#define USBA_TST_K_MODE_OFFSET 3
-+#define USBA_TST_K_MODE_SIZE 1
-+#define USBA_TST_PKT_MODE_OFFSET 4
-+#define USBA_TST_PKT_MODE_SIZE 1
-+#define USBA_OPMODE2_OFFSET 5
-+#define USBA_OPMODE2_SIZE 1
++ err = snd_atmel_ac97_create(card, pdev);
++ if (err)
++ goto out_free_card;
+
-+/* Bitfields in EPT_CFG */
-+#define USBA_EPT_SIZE_OFFSET 0
-+#define USBA_EPT_SIZE_SIZE 3
-+#define USBA_EPT_DIR_OFFSET 3
-+#define USBA_EPT_DIR_SIZE 1
-+#define USBA_EPT_TYPE_OFFSET 4
-+#define USBA_EPT_TYPE_SIZE 2
-+#define USBA_BK_NUMBER_OFFSET 6
-+#define USBA_BK_NUMBER_SIZE 2
-+#define USBA_NB_TRANS_OFFSET 8
-+#define USBA_NB_TRANS_SIZE 2
-+#define USBA_EPT_MAPPED_OFFSET 31
-+#define USBA_EPT_MAPPED_SIZE 1
++ snd_atmel_ac97_reset(chip);
+
-+/* Bitfields in EPT_CTL/EPT_CTL_ENB/EPT_CTL_DIS */
-+#define USBA_EPT_ENABLE_OFFSET 0
-+#define USBA_EPT_ENABLE_SIZE 1
-+#define USBA_AUTO_VALID_OFFSET 1
-+#define USBA_AUTO_VALID_SIZE 1
-+#define USBA_INTDIS_DMA_OFFSET 3
-+#define USBA_INTDIS_DMA_SIZE 1
-+#define USBA_NYET_DIS_OFFSET 4
-+#define USBA_NYET_DIS_SIZE 1
-+#define USBA_DATAX_RX_OFFSET 6
-+#define USBA_DATAX_RX_SIZE 1
-+#define USBA_MDATA_RX_OFFSET 7
-+#define USBA_MDATA_RX_SIZE 1
-+/* Bits 8-15 and 31 enable interrupts for respective bits in EPT_STA */
-+#define USBA_BUSY_BANK_IE_OFFSET 18
-+#define USBA_BUSY_BANK_IE_SIZE 1
++ err = snd_atmel_ac97_mixer_new(chip);
++ if (err)
++ goto out_free_card;
+
-+/* Bitfields in EPT_SET_STA/EPT_CLR_STA/EPT_STA */
-+#define USBA_FORCE_STALL_OFFSET 5
-+#define USBA_FORCE_STALL_SIZE 1
-+#define USBA_TOGGLE_SEQ_OFFSET 6
-+#define USBA_TOGGLE_SEQ_SIZE 2
-+#define USBA_ERR_OVFLW_OFFSET 8
-+#define USBA_ERR_OVFLW_SIZE 1
-+#define USBA_RX_BK_RDY_OFFSET 9
-+#define USBA_RX_BK_RDY_SIZE 1
-+#define USBA_KILL_BANK_OFFSET 9
-+#define USBA_KILL_BANK_SIZE 1
-+#define USBA_TX_COMPLETE_OFFSET 10
-+#define USBA_TX_COMPLETE_SIZE 1
-+#define USBA_TX_PK_RDY_OFFSET 11
-+#define USBA_TX_PK_RDY_SIZE 1
-+#define USBA_ISO_ERR_TRANS_OFFSET 11
-+#define USBA_ISO_ERR_TRANS_SIZE 1
-+#define USBA_RX_SETUP_OFFSET 12
-+#define USBA_RX_SETUP_SIZE 1
-+#define USBA_ISO_ERR_FLOW_OFFSET 12
-+#define USBA_ISO_ERR_FLOW_SIZE 1
-+#define USBA_STALL_SENT_OFFSET 13
-+#define USBA_STALL_SENT_SIZE 1
-+#define USBA_ISO_ERR_CRC_OFFSET 13
-+#define USBA_ISO_ERR_CRC_SIZE 1
-+#define USBA_ISO_ERR_NBTRANS_OFFSET 13
-+#define USBA_ISO_ERR_NBTRANS_SIZE 1
-+#define USBA_NAK_IN_OFFSET 14
-+#define USBA_NAK_IN_SIZE 1
-+#define USBA_ISO_ERR_FLUSH_OFFSET 14
-+#define USBA_ISO_ERR_FLUSH_SIZE 1
-+#define USBA_NAK_OUT_OFFSET 15
-+#define USBA_NAK_OUT_SIZE 1
-+#define USBA_CURRENT_BANK_OFFSET 16
-+#define USBA_CURRENT_BANK_SIZE 2
-+#define USBA_BUSY_BANKS_OFFSET 18
-+#define USBA_BUSY_BANKS_SIZE 2
-+#define USBA_BYTE_COUNT_OFFSET 20
-+#define USBA_BYTE_COUNT_SIZE 11
-+#define USBA_SHORT_PACKET_OFFSET 31
-+#define USBA_SHORT_PACKET_SIZE 1
++ err = snd_atmel_ac97_pcm_new(chip);
++ if (err)
++ goto out_free_card;
++
++ /* TODO: Get this information from the platform device */
++ chip->dma.req_tx.req.dmac = find_dma_controller(0);
++ if (!chip->dma.req_tx.req.dmac) {
++ dev_dbg(&chip->pdev->dev, "DMA controller for TX missing\n");
++ err = -ENODEV;
++ goto out_free_card;
++ }
++ chip->dma.req_rx.req.dmac = find_dma_controller(0);
++ if (!chip->dma.req_rx.req.dmac) {
++ dev_dbg(&chip->pdev->dev, "DMA controller for RX missing\n");
++ err = -ENODEV;
++ goto out_free_card;
++ }
++
++ chip->dma.rx_periph_id = 3;
++ chip->dma.tx_periph_id = 4;
++
++ ch = dma_alloc_channel(chip->dma.req_tx.req.dmac);
++ if (ch < 0) {
++ dev_dbg(&chip->pdev->dev,
++ "could not allocate TX DMA channel\n");
++ err = ch;
++ goto out_free_card;
++ }
++ chip->dma.req_tx.req.channel = ch;
++ chip->dma.req_tx.width = DMA_WIDTH_16BIT;
++ chip->dma.req_tx.req.block_complete = atmel_ac97_block_complete;
++ chip->dma.req_tx.req.error = atmel_ac97_error;
++
++ ch = dma_alloc_channel(chip->dma.req_rx.req.dmac);
++ if (ch < 0) {
++ dev_dbg(&chip->pdev->dev,
++ "could not allocate RX DMA channel\n");
++ err = ch;
++ goto out_free_card;
++ }
++ chip->dma.req_rx.req.channel = ch;
++ chip->dma.req_rx.width = DMA_WIDTH_16BIT;
++ chip->dma.req_rx.req.block_complete = atmel_ac97_block_complete;
++ chip->dma.req_rx.req.error = atmel_ac97_error;
++
++ strcpy(card->driver, "atmel_ac97c");
++ strcpy(card->shortname, "atmel_ac97c");
++ sprintf(card->longname, "Atmel AVR32 AC97 controller");
++
++ err = snd_card_register(card);
++ if (err)
++ goto out_free_card;
+
-+/* Bitfields in DMA_CONTROL */
-+#define USBA_DMA_CH_EN_OFFSET 0
-+#define USBA_DMA_CH_EN_SIZE 1
-+#define USBA_DMA_LINK_OFFSET 1
-+#define USBA_DMA_LINK_SIZE 1
-+#define USBA_DMA_END_TR_EN_OFFSET 2
-+#define USBA_DMA_END_TR_EN_SIZE 1
-+#define USBA_DMA_END_BUF_EN_OFFSET 3
-+#define USBA_DMA_END_BUF_EN_SIZE 1
-+#define USBA_DMA_END_TR_IE_OFFSET 4
-+#define USBA_DMA_END_TR_IE_SIZE 1
-+#define USBA_DMA_END_BUF_IE_OFFSET 5
-+#define USBA_DMA_END_BUF_IE_SIZE 1
-+#define USBA_DMA_DESC_LOAD_IE_OFFSET 6
-+#define USBA_DMA_DESC_LOAD_IE_SIZE 1
-+#define USBA_DMA_BURST_LOCK_OFFSET 7
-+#define USBA_DMA_BURST_LOCK_SIZE 1
-+#define USBA_DMA_BUF_LEN_OFFSET 16
-+#define USBA_DMA_BUF_LEN_SIZE 16
++ platform_set_drvdata(pdev, card);
++ dev++;
+
-+/* Bitfields in DMA_STATUS */
-+#define USBA_DMA_CH_ACTIVE_OFFSET 1
-+#define USBA_DMA_CH_ACTIVE_SIZE 1
-+#define USBA_DMA_END_TR_ST_OFFSET 4
-+#define USBA_DMA_END_TR_ST_SIZE 1
-+#define USBA_DMA_END_BUF_ST_OFFSET 5
-+#define USBA_DMA_END_BUF_ST_SIZE 1
-+#define USBA_DMA_DESC_LOAD_ST_OFFSET 6
-+#define USBA_DMA_DESC_LOAD_ST_SIZE 1
++ dev_info(&pdev->dev, "Atmel AVR32 AC97 controller at 0x%p\n",
++ chip->regs);
+
-+/* Constants for SPEED_CFG */
-+#define USBA_SPEED_CFG_NORMAL 0
-+#define USBA_SPEED_CFG_FORCE_HIGH 2
-+#define USBA_SPEED_CFG_FORCE_FULL 3
++ return 0;
+
-+/* Constants for EPT_SIZE */
-+#define USBA_EPT_SIZE_8 0
-+#define USBA_EPT_SIZE_16 1
-+#define USBA_EPT_SIZE_32 2
-+#define USBA_EPT_SIZE_64 3
-+#define USBA_EPT_SIZE_128 4
-+#define USBA_EPT_SIZE_256 5
-+#define USBA_EPT_SIZE_512 6
-+#define USBA_EPT_SIZE_1024 7
++out_free_card:
++ snd_card_free(card);
++out:
++ return err;
++}
+
-+/* Constants for EPT_TYPE */
-+#define USBA_EPT_TYPE_CONTROL 0
-+#define USBA_EPT_TYPE_ISO 1
-+#define USBA_EPT_TYPE_BULK 2
-+#define USBA_EPT_TYPE_INT 3
++#ifdef CONFIG_PM
++ static int
++snd_atmel_ac97_suspend(struct platform_device *pdev, pm_message_t msg)
++{
++ struct snd_card *card = platform_get_drvdata(pdev);
++ struct atmel_ac97 *chip = card->private_data;
+
-+/* Constants for BK_NUMBER */
-+#define USBA_BK_NUMBER_ZERO 0
-+#define USBA_BK_NUMBER_ONE 1
-+#define USBA_BK_NUMBER_DOUBLE 2
-+#define USBA_BK_NUMBER_TRIPLE 3
++ clk_disable(chip->mck);
+
-+/* Bit manipulation macros */
-+#define USBA_BIT(name) \
-+ (1 << USBA_##name##_OFFSET)
-+#define USBA_BF(name, value) \
-+ (((value) & ((1 << USBA_##name##_SIZE) - 1)) \
-+ << USBA_##name##_OFFSET)
-+#define USBA_BFEXT(name, value) \
-+ (((value) >> USBA_##name##_OFFSET) \
-+ & ((1 << USBA_##name##_SIZE) - 1))
-+#define USBA_BFINS(name, value, old) \
-+ (((old) & ~(((1 << USBA_##name##_SIZE) - 1) \
-+ << USBA_##name##_OFFSET)) \
-+ | USBA_BF(name, value))
++ return 0;
++}
+
-+/* Register access macros */
-+#define usba_readl(udc, reg) \
-+ __raw_readl((udc)->regs + USBA_##reg)
-+#define usba_writel(udc, reg, value) \
-+ __raw_writel((value), (udc)->regs + USBA_##reg)
-+#define usba_ep_readl(ep, reg) \
-+ __raw_readl((ep)->ep_regs + USBA_EPT_##reg)
-+#define usba_ep_writel(ep, reg, value) \
-+ __raw_writel((value), (ep)->ep_regs + USBA_EPT_##reg)
-+#define usba_dma_readl(ep, reg) \
-+ __raw_readl((ep)->dma_regs + USBA_DMA_##reg)
-+#define usba_dma_writel(ep, reg, value) \
-+ __raw_writel((value), (ep)->dma_regs + USBA_DMA_##reg)
++static int snd_atmel_ac97_resume(struct platform_device *pdev)
++{
++ struct snd_card *card = dev_get_drvdata(pdev);
++ struct atmel_ac97 *chip = card->private_data;
+
-+/* Calculate base address for a given endpoint or DMA controller */
-+#define USBA_EPT_BASE(x) (0x100 + (x) * 0x20)
-+#define USBA_DMA_BASE(x) (0x300 + (x) * 0x10)
-+#define USBA_FIFO_BASE(x) ((x) << 16)
++ clk_enable(chip->mck);
++
++ return 0;
++}
++#else
++#define snd_atmel_ac97_suspend NULL
++#define snd_atmel_ac97_resume NULL
++#endif
++
++static int __devexit snd_atmel_ac97_remove(struct platform_device *pdev)
++{
++ struct snd_card *card = platform_get_drvdata(pdev);
++
++ snd_card_free(card);
++ platform_set_drvdata(pdev, NULL);
++ return 0;
++}
++
++static struct platform_driver atmel_ac97_driver = {
++ .remove = __devexit_p(snd_atmel_ac97_remove),
++ .driver = {
++ .name = "atmel_ac97c",
++ },
++ .suspend = snd_atmel_ac97_suspend,
++ .resume = snd_atmel_ac97_resume,
++};
+
-+/* Synth parameters */
-+#define USBA_NR_ENDPOINTS 7
++static int __init atmel_ac97_init(void)
++{
++ return platform_driver_probe(&atmel_ac97_driver,
++ snd_atmel_ac97_probe);
++}
++module_init(atmel_ac97_init);
+
-+#define EP0_FIFO_SIZE 64
-+#define EP0_EPT_SIZE USBA_EPT_SIZE_64
-+#define EP0_NR_BANKS 1
-+#define BULK_FIFO_SIZE 512
-+#define BULK_EPT_SIZE USBA_EPT_SIZE_512
-+#define BULK_NR_BANKS 2
-+#define ISO_FIFO_SIZE 1024
-+#define ISO_EPT_SIZE USBA_EPT_SIZE_1024
-+#define ISO_NR_BANKS 3
-+#define INT_FIFO_SIZE 64
-+#define INT_EPT_SIZE USBA_EPT_SIZE_64
-+#define INT_NR_BANKS 3
++static void __exit atmel_ac97_exit(void)
++{
++ platform_driver_unregister(&atmel_ac97_driver);
++}
++module_exit(atmel_ac97_exit);
+
-+enum usba_ctrl_state {
-+ WAIT_FOR_SETUP,
-+ DATA_STAGE_IN,
-+ DATA_STAGE_OUT,
-+ STATUS_STAGE_IN,
-+ STATUS_STAGE_OUT,
-+ STATUS_STAGE_ADDR,
-+ STATUS_STAGE_TEST,
-+};
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("Driver for Atmel AC97 Controller");
++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
+diff --git a/sound/avr32/ac97c.h b/sound/avr32/ac97c.h
+new file mode 100644
+index 0000000..96246e7
+--- /dev/null
++++ b/sound/avr32/ac97c.h
+@@ -0,0 +1,71 @@
+/*
-+ EP_STATE_IDLE,
-+ EP_STATE_SETUP,
-+ EP_STATE_IN_DATA,
-+ EP_STATE_OUT_DATA,
-+ EP_STATE_SET_ADDR_STATUS,
-+ EP_STATE_RX_STATUS,
-+ EP_STATE_TX_STATUS,
-+ EP_STATE_HALT,
-+*/
++ * Register definitions for the Atmel AC97 Controller.
++ *
++ * Copyright (C) 2005-2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#ifndef __SOUND_AVR32_AC97C_H
++#define __SOUND_AVR32_AC97C_H
++
++#define AC97C_MR 0x08
++#define AC97C_ICA 0x10
++#define AC97C_OCA 0x14
++#define AC97C_CARHR 0x20
++#define AC97C_CATHR 0x24
++#define AC97C_CASR 0x28
++#define AC97C_CAMR 0x2c
++#define AC97C_CBRHR 0x30
++#define AC97C_CBTHR 0x34
++#define AC97C_CBSR 0x38
++#define AC97C_CBMR 0x3c
++#define AC97C_CORHR 0x40
++#define AC97C_COTHR 0x44
++#define AC97C_COSR 0x48
++#define AC97C_COMR 0x4c
++#define AC97C_SR 0x50
++#define AC97C_IER 0x54
++#define AC97C_IDR 0x58
++#define AC97C_IMR 0x5c
++#define AC97C_VERSION 0xfc
++
++#define AC97C_CATPR PDC_TPR
++#define AC97C_CATCR PDC_TCR
++#define AC97C_CATNPR PDC_TNPR
++#define AC97C_CATNCR PDC_TNCR
++#define AC97C_CARPR PDC_RPR
++#define AC97C_CARCR PDC_RCR
++#define AC97C_CARNPR PDC_RNPR
++#define AC97C_CARNCR PDC_RNCR
++#define AC97C_PTCR PDC_PTCR
++
++#define AC97C_MR_ENA (1 << 0)
++#define AC97C_MR_WRST (1 << 1)
++#define AC97C_MR_VRA (1 << 2)
++
++#define AC97C_CSR_TXRDY (1 << 0)
++#define AC97C_CSR_UNRUN (1 << 2)
++#define AC97C_CSR_RXRDY (1 << 4)
++#define AC97C_CSR_ENDTX (1 << 10)
++#define AC97C_CSR_ENDRX (1 << 14)
++
++#define AC97C_CMR_SIZE_20 (0 << 16)
++#define AC97C_CMR_SIZE_18 (1 << 16)
++#define AC97C_CMR_SIZE_16 (2 << 16)
++#define AC97C_CMR_SIZE_10 (3 << 16)
++#define AC97C_CMR_CEM_LITTLE (1 << 18)
++#define AC97C_CMR_CEM_BIG (0 << 18)
++#define AC97C_CMR_CENA (1 << 21)
++#define AC97C_CMR_PDCEN (1 << 22)
++
++#define AC97C_SR_CAEVT (1 << 3)
++
++#define AC97C_CH_ASSIGN(slot, channel) \
++ (AC97C_CHANNEL_##channel << (3 * (AC97_SLOT_##slot - 3)))
++#define AC97C_CHANNEL_NONE 0x0
++#define AC97C_CHANNEL_A 0x1
++#define AC97C_CHANNEL_B 0x2
++
++#endif /* __SOUND_AVR32_AC97C_H */
+diff --git a/sound/oss/Kconfig b/sound/oss/Kconfig
+index af37cd0..e3cc557 100644
+--- a/sound/oss/Kconfig
++++ b/sound/oss/Kconfig
+@@ -654,3 +654,7 @@ config SOUND_SH_DAC_AUDIO_CHANNEL
+ int "DAC channel"
+ default "1"
+ depends on SOUND_SH_DAC_AUDIO
++
++config SOUND_AT32_ABDAC
++ tristate "Atmel AT32 Audio Bitstream DAC (ABDAC) support"
++ depends on SOUND_PRIME && AVR32
+diff --git a/sound/oss/Makefile b/sound/oss/Makefile
+index 1200670..fafc246 100644
+--- a/sound/oss/Makefile
++++ b/sound/oss/Makefile
+@@ -10,6 +10,7 @@ obj-$(CONFIG_SOUND_CS4232) += cs4232.o ad1848.o
+
+ # Please leave it as is, cause the link order is significant !
+
++obj-$(CONFIG_SOUND_AT32_ABDAC) += at32_abdac.o
+ obj-$(CONFIG_SOUND_SH_DAC_AUDIO) += sh_dac_audio.o
+ obj-$(CONFIG_SOUND_HAL2) += hal2.o
+ obj-$(CONFIG_SOUND_AEDSP16) += aedsp16.o
+diff --git a/sound/oss/at32_abdac.c b/sound/oss/at32_abdac.c
+new file mode 100644
+index 0000000..cb997d7
+--- /dev/null
++++ b/sound/oss/at32_abdac.c
+@@ -0,0 +1,722 @@
++/*
++ * OSS Sound Driver for the Atmel AT32 on-chip DAC.
++ *
++ * Copyright (C) 2006 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <linux/clk.h>
++#include <linux/dma-mapping.h>
++#include <linux/fs.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/sound.h>
++#include <linux/soundcard.h>
+
-+struct usba_dma_desc {
-+ dma_addr_t next;
-+ dma_addr_t addr;
-+ u32 ctrl;
-+};
++#include <asm/byteorder.h>
++#include <asm/dma-controller.h>
++#include <asm/io.h>
++#include <asm/uaccess.h>
+
-+struct usba_ep {
-+ int state;
-+ void __iomem *ep_regs;
-+ void __iomem *dma_regs;
-+ void __iomem *fifo;
-+ struct usb_ep ep;
-+ struct usba_udc *udc;
++/* We want to use the "bizarre" swap-bytes-in-each-halfword macro */
++#include <linux/byteorder/swabb.h>
+
-+ struct list_head queue;
-+ const struct usb_endpoint_descriptor *desc;
++#include "at32_abdac.h"
+
-+ u16 fifo_size;
-+ u8 nr_banks;
-+ u8 index;
-+ unsigned int can_dma:1;
-+ unsigned int can_isoc:1;
-+ unsigned int is_isoc:1;
-+ unsigned int is_in:1;
++#define DMA_BUFFER_SIZE 32768
++#define DMA_PERIOD_SHIFT 10
++#define DMA_PERIOD_SIZE (1 << DMA_PERIOD_SHIFT)
++#define DMA_WRITE_THRESHOLD DMA_PERIOD_SIZE
+
-+#ifdef CONFIG_DEBUG_FS
-+ u32 last_dma_status;
-+ struct dentry *debugfs_dir;
-+ struct dentry *debugfs_queue;
-+ struct dentry *debugfs_dma_status;
-+ struct dentry *debugfs_state;
-+#endif
++struct sound_settings {
++ unsigned int format;
++ unsigned int channels;
++ unsigned int sample_rate;
++ /* log2(bytes per sample) */
++ unsigned int input_order;
+};
+
-+struct usba_request {
-+ struct usb_request req;
-+ struct list_head queue;
++struct at32_dac {
++ spinlock_t lock;
++ void __iomem *regs;
+
-+ u32 ctrl;
++ /* head and tail refer to number of words */
++ struct {
++ u32 *buf;
++ int head;
++ int tail;
++ } dma;
+
-+ unsigned int submitted:1;
-+ unsigned int last_transaction:1;
-+ unsigned int using_dma:1;
-+ unsigned int mapped:1;
-+};
++ struct semaphore sem;
++ wait_queue_head_t write_wait;
+
-+struct usba_udc {
-+ /* Protect hw registers from concurrent modifications */
-+ spinlock_t lock;
++ /*
++ * Read at most ucount bytes from ubuf, translate to 2-channel
++ * signed 16-bit big endian format and write to the DMA buffer
++ * as long as there is room left. Return the number of bytes
++ * successfully copied from ubuf, or -EFAULT if the first
++ * sample from ubuf couldn't be read. This function is not
++ * called unless there is room for at least one sample (4
++ * bytes) in the DMA buffer.
++ */
++ ssize_t (*trans)(struct at32_dac *dac, const char __user *ubuf,
++ size_t ucount);
+
-+ void __iomem *regs;
-+ void __iomem *fifo;
++ struct sound_settings dsp_settings;
++ struct dma_request_cyclic req;
+
-+ struct usb_gadget gadget;
-+ struct usb_gadget_driver *driver;
++ struct clk *mck;
++ struct clk *sample_clk;
+ struct platform_device *pdev;
-+ int irq;
-+ int vbus_pin;
-+ struct clk *pclk;
-+ struct clk *hclk;
++ int busy;
++ int playing;
++ int dev_dsp;
++};
++static struct at32_dac *the_dac;
+
-+ int test_mode;
-+ int vbus_prev;
++static inline unsigned int abdac_get_head(struct at32_dac *dac)
++{
++ return dac->dma.head & ((DMA_BUFFER_SIZE / 4) - 1);
++}
+
-+#ifdef CONFIG_DEBUG_FS
-+ struct dentry *debugfs_root;
-+ struct dentry *debugfs_regs;
-+#endif
-+};
++static inline unsigned int abdac_get_tail(struct at32_dac *dac)
++{
++ return dac->dma.tail & ((DMA_BUFFER_SIZE / 4) - 1);
++}
+
-+#define to_usba_ep(x) container_of((x), struct usba_ep, ep)
-+#define to_usba_req(x) container_of((x), struct usba_request, req)
-+#define to_usba_udc(x) container_of((x), struct usba_udc, gadget)
++static inline unsigned int abdac_dma_space(struct at32_dac *dac)
++{
++ unsigned int space;
+
-+#define ep_index(ep) ((ep)->index)
-+#define ep_can_dma(ep) ((ep)->can_dma)
-+#define ep_is_in(ep) ((ep)->is_in)
-+#define ep_is_isochronous(ep) ((ep)->is_isoc)
-+#define ep_is_control(ep) (ep_index(ep) == 0)
-+#define ep_name(ep) ((ep)->ep.name)
-+#define ep_is_idle(ep) ((ep)->state == EP_STATE_IDLE)
++ space = ((dac->dma.tail - dac->dma.head - 1)
++ & ((DMA_BUFFER_SIZE / 4) - 1));
++ return space;
++}
+
-+#endif /* __LINUX_USB_GADGET_USBA_UDC_H */
-diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/ether.c linux-avr32.git/drivers/usb/gadget/ether.c
---- linux-2.6.22.1/drivers/usb/gadget/ether.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/usb/gadget/ether.c 2007-07-12 14:00:19.000000000 +0200
-@@ -277,7 +277,7 @@
- #define DEV_CONFIG_CDC
- #endif
-
--#ifdef CONFIG_USB_GADGET_HUSB2DEV
-+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
- #define DEV_CONFIG_CDC
- #endif
-
-diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/gadget_chips.h linux-avr32.git/drivers/usb/gadget/gadget_chips.h
---- linux-2.6.22.1/drivers/usb/gadget/gadget_chips.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/usb/gadget/gadget_chips.h 2007-07-12 14:00:19.000000000 +0200
-@@ -75,10 +75,10 @@
- #define gadget_is_pxa27x(g) 0
- #endif
-
--#ifdef CONFIG_USB_GADGET_HUSB2DEV
--#define gadget_is_husb2dev(g) !strcmp("husb2_udc", (g)->name)
-+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
-+#define gadget_is_atmel_usba(g) !strcmp("atmel_usba_udc", (g)->name)
- #else
--#define gadget_is_husb2dev(g) 0
-+#define gadget_is_atmel_usba(g) 0
- #endif
-
- #ifdef CONFIG_USB_GADGET_S3C2410
-@@ -181,7 +181,7 @@
- return 0x16;
- else if (gadget_is_mpc8272(gadget))
- return 0x17;
-- else if (gadget_is_husb2dev(gadget))
-+ else if (gadget_is_atmel_usba(gadget))
- return 0x18;
- else if (gadget_is_fsl_usb2(gadget))
- return 0x19;
-diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/inode.c linux-avr32.git/drivers/usb/gadget/inode.c
---- linux-2.6.22.1/drivers/usb/gadget/inode.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/usb/gadget/inode.c 2007-07-12 14:00:19.000000000 +0200
-@@ -37,7 +37,7 @@
- #include <linux/device.h>
- #include <linux/moduleparam.h>
-
--#include <linux/usb_gadgetfs.h>
-+#include <linux/usb/gadgetfs.h>
- #include <linux/usb_gadget.h>
-
-
-diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/Kconfig linux-avr32.git/drivers/usb/gadget/Kconfig
---- linux-2.6.22.1/drivers/usb/gadget/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/usb/gadget/Kconfig 2007-07-12 14:00:19.000000000 +0200
-@@ -175,6 +175,19 @@
- default USB_GADGET
- select USB_GADGET_SELECTED
-
-+config USB_GADGET_ATMEL_USBA
-+ boolean "Atmel USBA"
-+ select USB_GADGET_DUALSPEED
-+ depends on AVR32
-+ help
-+ USBA is the integrated high-speed USB Device controller on
-+ the AT32AP700x processors from Atmel.
++static void abdac_update_dma_tail(struct at32_dac *dac)
++{
++ dma_addr_t dma_addr;
++ unsigned int new_tail;
+
-+config USB_ATMEL_USBA
-+ tristate
-+ depends on USB_GADGET_ATMEL_USBA
-+ default USB_GADGET
-+ select USB_GADGET_SELECTED
-
- config USB_GADGET_OMAP
- boolean "OMAP USB Device Controller"
-diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/Makefile linux-avr32.git/drivers/usb/gadget/Makefile
---- linux-2.6.22.1/drivers/usb/gadget/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/usb/gadget/Makefile 2007-07-12 14:00:19.000000000 +0200
-@@ -8,6 +8,7 @@
- obj-$(CONFIG_USB_OMAP) += omap_udc.o
- obj-$(CONFIG_USB_LH7A40X) += lh7a40x_udc.o
- obj-$(CONFIG_USB_AT91) += at91_udc.o
-+obj-$(CONFIG_USB_ATMEL_USBA) += atmel_usba_udc.o
- obj-$(CONFIG_USB_FSL_USB2) += fsl_usb2_udc.o
-
- #
-diff -x .git -Nur linux-2.6.22.1/drivers/video/atmel_lcdfb.c linux-avr32.git/drivers/video/atmel_lcdfb.c
---- linux-2.6.22.1/drivers/video/atmel_lcdfb.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/video/atmel_lcdfb.c 2007-07-12 14:00:20.000000000 +0200
-@@ -37,7 +37,9 @@
- #endif
-
- #if defined(CONFIG_ARCH_AT91)
--#define ATMEL_LCDFB_FBINFO_DEFAULT FBINFO_DEFAULT
-+#define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \
-+ | FBINFO_PARTIAL_PAN_OK \
-+ | FBINFO_HWACCEL_YPAN)
-
- static inline void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo,
- struct fb_var_screeninfo *var)
-@@ -74,11 +76,34 @@
- .type = FB_TYPE_PACKED_PIXELS,
- .visual = FB_VISUAL_TRUECOLOR,
- .xpanstep = 0,
-- .ypanstep = 0,
-+ .ypanstep = 1,
- .ywrapstep = 0,
- .accel = FB_ACCEL_NONE,
- };
-
-+static unsigned long compute_hozval(unsigned long xres, unsigned long lcdcon2)
++ if (dac->playing) {
++ dma_addr = dma_get_current_pos(dac->req.req.dmac,
++ dac->req.req.channel);
++ new_tail = (dma_addr - dac->req.buffer_start) / 4;
++ if (new_tail >= dac->dma.head
++ && (dac->dma.tail < dac->dma.head
++ || dac->dma.tail > new_tail))
++ dev_notice(&dac->pdev->dev, "DMA underrun detected!\n");
++ dac->dma.tail = new_tail;
++ dev_dbg(&dac->pdev->dev, "update tail: 0x%x - 0x%x = %u\n",
++ dma_addr, dac->req.buffer_start, dac->dma.tail);
++ }
++}
++
++static int abdac_start(struct at32_dac *dac)
+{
-+ unsigned long value;
++ int ret;
+
-+ if (!(cpu_is_at91sam9261() || cpu_is_at32ap7000()))
-+ return xres;
++ if (dac->playing)
++ return 0;
+
-+ value = xres;
-+ if ((lcdcon2 & ATMEL_LCDC_DISTYPE) != ATMEL_LCDC_DISTYPE_TFT) {
-+ /* STN display */
-+ if ((lcdcon2 & ATMEL_LCDC_DISTYPE) == ATMEL_LCDC_DISTYPE_STNCOLOR) {
-+ value *= 3;
-+ }
-+ if ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_4
-+ || ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_8
-+ && (lcdcon2 & ATMEL_LCDC_SCANMOD) == ATMEL_LCDC_SCANMOD_DUAL ))
-+ value = DIV_ROUND_UP(value, 4);
-+ else
-+ value = DIV_ROUND_UP(value, 8);
++ memset(dac->dma.buf, 0, DMA_BUFFER_SIZE);
++
++ clk_enable(dac->sample_clk);
++
++ ret = dma_prepare_request_cyclic(dac->req.req.dmac, &dac->req);
++ if (ret)
++ goto out_stop_clock;
++
++ dev_dbg(&dac->pdev->dev, "starting DMA...\n");
++ ret = dma_start_request(dac->req.req.dmac, dac->req.req.channel);
++ if (ret)
++ goto out_stop_request;
++
++ dac_writel(dac, CTRL, DAC_BIT(EN));
++ dac->playing = 1;
++
++ return 0;
++
++out_stop_request:
++ dma_stop_request(dac->req.req.dmac,
++ dac->req.req.channel);
++out_stop_clock:
++ clk_disable(dac->sample_clk);
++ return ret;
++}
++
++static int abdac_stop(struct at32_dac *dac)
++{
++ if (dac->playing) {
++ dma_stop_request(dac->req.req.dmac, dac->req.req.channel);
++ dac_writel(dac, DATA, 0);
++ dac_writel(dac, CTRL, 0);
++ dac->playing = 0;
++ clk_disable(dac->sample_clk);
+ }
+
-+ return value;
++ return 0;
+}
-
- static void atmel_lcdfb_update_dma(struct fb_info *info,
- struct fb_var_screeninfo *var)
-@@ -181,6 +206,7 @@
- var->xoffset = var->yoffset = 0;
-
- switch (var->bits_per_pixel) {
-+ case 1:
- case 2:
- case 4:
- case 8:
-@@ -195,8 +221,11 @@
- var->blue.offset = 10;
- var->red.length = var->green.length = var->blue.length = 5;
- break;
-- case 24:
- case 32:
-+ var->transp.offset = 24;
-+ var->transp.length = 8;
-+ /* fall through */
-+ case 24:
- var->red.offset = 0;
- var->green.offset = 8;
- var->blue.offset = 16;
-@@ -228,8 +257,10 @@
- static int atmel_lcdfb_set_par(struct fb_info *info)
- {
- struct atmel_lcdfb_info *sinfo = info->par;
-+ unsigned long hozval_linesz;
- unsigned long value;
- unsigned long clk_value_khz;
-+ unsigned long bits_per_line;
-
- dev_dbg(info->device, "%s:\n", __func__);
- dev_dbg(info->device, " * resolution: %ux%u (%ux%u virtual)\n",
-@@ -241,12 +272,15 @@
-
- lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
-
-- if (info->var.bits_per_pixel <= 8)
-+ if (info->var.bits_per_pixel == 1)
-+ info->fix.visual = FB_VISUAL_MONO01;
-+ else if (info->var.bits_per_pixel <= 8)
- info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
- else
- info->fix.visual = FB_VISUAL_TRUECOLOR;
-
-- info->fix.line_length = info->var.xres_virtual * (info->var.bits_per_pixel / 8);
-+ bits_per_line = info->var.xres_virtual * info->var.bits_per_pixel;
-+ info->fix.line_length = DIV_ROUND_UP(bits_per_line, 8);
-
- /* Re-initialize the DMA engine... */
- dev_dbg(info->device, " * update DMA engine\n");
-@@ -262,18 +296,21 @@
- /* Set pixel clock */
- clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000;
-
-- value = clk_value_khz / PICOS2KHZ(info->var.pixclock);
--
-- if (clk_value_khz % PICOS2KHZ(info->var.pixclock))
-- value++;
-+ value = DIV_ROUND_UP(clk_value_khz, PICOS2KHZ(info->var.pixclock));
-
- value = (value / 2) - 1;
-+ dev_dbg(info->device, " * programming CLKVAL = 0x%08lx\n", value);
-
- if (value <= 0) {
- dev_notice(info->device, "Bypassing pixel clock divider\n");
- lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS);
-- } else
-+ } else {
- lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET);
-+ info->var.pixclock = KHZ2PICOS(clk_value_khz / (2 * (value + 1)));
-+ dev_dbg(info->device, " updated pixclk: %lu KHz\n",
-+ PICOS2KHZ(info->var.pixclock));
-+ }
-+
-
- /* Initialize control register 2 */
- value = sinfo->default_lcdcon2;
-@@ -311,9 +348,14 @@
- dev_dbg(info->device, " * LCDTIM2 = %08lx\n", value);
- lcdc_writel(sinfo, ATMEL_LCDC_TIM2, value);
-
-+ /* Horizontal value (aka line size) */
-+ hozval_linesz = compute_hozval(info->var.xres,
-+ lcdc_readl(sinfo, ATMEL_LCDC_LCDCON2));
-+
- /* Display size */
-- value = (info->var.xres - 1) << ATMEL_LCDC_HOZVAL_OFFSET;
-+ value = (hozval_linesz - 1) << ATMEL_LCDC_HOZVAL_OFFSET;
- value |= info->var.yres - 1;
-+ dev_dbg(info->device, " * LCDFRMCFG = %08lx\n", value);
- lcdc_writel(sinfo, ATMEL_LCDC_LCDFRMCFG, value);
-
- /* FIFO Threshold: Use formula from data sheet */
-@@ -421,6 +463,15 @@
- ret = 0;
- }
- break;
-+
-+ case FB_VISUAL_MONO01:
-+ if (regno < 2) {
-+ val = (regno == 0) ? 0x00 : 0x1F;
-+ lcdc_writel(sinfo, ATMEL_LCDC_LUT(regno), val);
-+ ret = 0;
-+ }
-+ break;
+
- }
-
- return ret;
-diff -x .git -Nur linux-2.6.22.1/drivers/video/backlight/Kconfig linux-avr32.git/drivers/video/backlight/Kconfig
---- linux-2.6.22.1/drivers/video/backlight/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/video/backlight/Kconfig 2007-07-12 14:00:20.000000000 +0200
-@@ -8,26 +8,44 @@
- Enable this to be able to choose the drivers for controlling the
- backlight and the LCD panel on some platforms, for example on PDAs.
-
--config BACKLIGHT_CLASS_DEVICE
-- tristate "Lowlevel Backlight controls"
-+#
-+# LCD
-+#
-+config LCD_CLASS_DEVICE
-+ tristate "Lowlevel LCD controls"
- depends on BACKLIGHT_LCD_SUPPORT
- default m
- help
-- This framework adds support for low-level control of the LCD
-- backlight. This includes support for brightness and power.
-+ This framework adds support for low-level control of LCD.
-+ Some framebuffer devices connect to platform-specific LCD modules
-+ in order to have a platform-specific way to control the flat panel
-+ (contrast and applying power to the LCD (not to the backlight!)).
-
- To have support for your specific LCD panel you will have to
- select the proper drivers which depend on this option.
-
--config LCD_CLASS_DEVICE
-- tristate "Lowlevel LCD controls"
-+config LCD_LTV350QV
-+ tristate "Samsung LTV350QV LCD Panel"
-+ depends on LCD_CLASS_DEVICE && SPI_MASTER
-+ default n
-+ help
-+ If you have a Samsung LTV350QV LCD panel, say y to include a
-+ power control driver for it. The panel starts up in power
-+ off state, so you need this driver in order to see any
-+ output.
++static int abdac_dma_prepare(struct at32_dac *dac)
++{
++ dac->dma.buf = dma_alloc_coherent(&dac->pdev->dev, DMA_BUFFER_SIZE,
++ &dac->req.buffer_start, GFP_KERNEL);
++ if (!dac->dma.buf)
++ return -ENOMEM;
+
-+ The LTV350QV panel is present on all ATSTK1000 boards.
++ dac->dma.head = dac->dma.tail = 0;
++ dac->req.periods = DMA_BUFFER_SIZE / DMA_PERIOD_SIZE;
++ dac->req.buffer_size = DMA_BUFFER_SIZE;
+
-+#
-+# Backlight
-+#
-+config BACKLIGHT_CLASS_DEVICE
-+ tristate "Lowlevel Backlight controls"
- depends on BACKLIGHT_LCD_SUPPORT
- default m
- help
-- This framework adds support for low-level control of LCD.
-- Some framebuffer devices connect to platform-specific LCD modules
-- in order to have a platform-specific way to control the flat panel
-- (contrast and applying power to the LCD (not to the backlight!)).
-+ This framework adds support for low-level control of the LCD
-+ backlight. This includes support for brightness and power.
-
- To have support for your specific LCD panel you will have to
- select the proper drivers which depend on this option.
-diff -x .git -Nur linux-2.6.22.1/drivers/video/backlight/ltv350qv.c linux-avr32.git/drivers/video/backlight/ltv350qv.c
---- linux-2.6.22.1/drivers/video/backlight/ltv350qv.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/video/backlight/ltv350qv.c 2007-06-06 11:34:00.000000000 +0200
-@@ -0,0 +1,340 @@
-+/*
-+ * Power control for Samsung LTV350QV Quarter VGA LCD Panel
-+ *
-+ * Copyright (C) 2006, 2007 Atmel Corporation
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+#include <linux/delay.h>
-+#include <linux/err.h>
-+#include <linux/fb.h>
-+#include <linux/init.h>
-+#include <linux/lcd.h>
-+#include <linux/module.h>
-+#include <linux/spi/spi.h>
++ return 0;
++}
+
-+#include "ltv350qv.h"
++static void abdac_dma_cleanup(struct at32_dac *dac)
++{
++ if (dac->dma.buf)
++ dma_free_coherent(&dac->pdev->dev, DMA_BUFFER_SIZE,
++ dac->dma.buf, dac->req.buffer_start);
++ dac->dma.buf = NULL;
++}
+
-+#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL)
++static void abdac_dma_block_complete(struct dma_request *req)
++{
++ struct dma_request_cyclic *creq = to_dma_request_cyclic(req);
++ struct at32_dac *dac = container_of(creq, struct at32_dac, req);
+
-+struct ltv350qv {
-+ struct spi_device *spi;
-+ u8 *buffer;
-+ int power;
-+ struct lcd_device *ld;
-+};
++ wake_up(&dac->write_wait);
++}
+
-+/*
-+ * The power-on and power-off sequences are taken from the
-+ * LTV350QV-F04 data sheet from Samsung. The register definitions are
-+ * taken from the S6F2002 command list also from Samsung. Both
-+ * documents are distributed with the AVR32 Linux BSP CD from Atmel.
-+ *
-+ * There's still some voodoo going on here, but it's a lot better than
-+ * in the first incarnation of the driver where all we had was the raw
-+ * numbers from the initialization sequence.
-+ */
-+static int ltv350qv_write_reg(struct ltv350qv *lcd, u8 reg, u16 val)
++static void abdac_dma_error(struct dma_request *req)
+{
-+ struct spi_message msg;
-+ struct spi_transfer index_xfer = {
-+ .len = 3,
-+ .cs_change = 1,
-+ };
-+ struct spi_transfer value_xfer = {
-+ .len = 3,
-+ .cs_change = 1,
-+ };
++ struct dma_request_cyclic *creq = to_dma_request_cyclic(req);
++ struct at32_dac *dac = container_of(creq, struct at32_dac, req);
+
-+ spi_message_init(&msg);
++ dev_err(&dac->pdev->dev, "DMA error\n");
++}
+
-+ /* register index */
-+ lcd->buffer[0] = LTV_OPC_INDEX;
-+ lcd->buffer[1] = 0x00;
-+ lcd->buffer[2] = reg & 0x7f;
-+ index_xfer.tx_buf = lcd->buffer;
-+ spi_message_add_tail(&index_xfer, &msg);
++static irqreturn_t abdac_interrupt(int irq, void *dev_id)
++{
++ struct at32_dac *dac = dev_id;
++ u32 status;
+
-+ /* register value */
-+ lcd->buffer[4] = LTV_OPC_DATA;
-+ lcd->buffer[5] = val >> 8;
-+ lcd->buffer[6] = val;
-+ value_xfer.tx_buf = lcd->buffer + 4;
-+ spi_message_add_tail(&value_xfer, &msg);
++ status = dac_readl(dac, INT_STATUS);
++ if (status & DAC_BIT(UNDERRUN)) {
++ dev_err(&dac->pdev->dev, "Underrun detected!\n");
++ dac_writel(dac, INT_CLR, DAC_BIT(UNDERRUN));
++ } else {
++ dev_err(&dac->pdev->dev, "Spurious interrupt (status=0x%x)\n",
++ status);
++ dac_writel(dac, INT_CLR, status);
++ }
+
-+ return spi_sync(lcd->spi, &msg);
++ return IRQ_HANDLED;
+}
+
-+/* The comments are taken straight from the data sheet */
-+static int ltv350qv_power_on(struct ltv350qv *lcd)
++static ssize_t trans_s16be(struct at32_dac *dac, const char __user *ubuf,
++ size_t ucount)
+{
-+ int ret;
++ ssize_t ret;
+
-+ /* Power On Reset Display off State */
-+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, 0x0000))
-+ goto err;
-+ msleep(15);
++ if (dac->dsp_settings.channels == 2) {
++ const u32 __user *up = (const u32 __user *)ubuf;
++ u32 sample;
+
-+ /* Power Setting Function 1 */
-+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE))
-+ goto err;
-+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL2, LTV_VCOML_ENABLE))
-+ goto err_power1;
++ for (ret = 0; ret < (ssize_t)(ucount - 3); ret += 4) {
++ if (!abdac_dma_space(dac))
++ break;
+
-+ /* Power Setting Function 2 */
-+ if (ltv350qv_write_reg(lcd, LTV_PWRCTL1,
-+ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
-+ | LTV_SUPPLY_CURRENT(5)))
-+ goto err_power2;
++ if (unlikely(__get_user(sample, up++))) {
++ if (ret == 0)
++ ret = -EFAULT;
++ break;
++ }
++ dac->dma.buf[abdac_get_head(dac)] = sample;
++ dac->dma.head++;
++ }
++ } else {
++ const u16 __user *up = (const u16 __user *)ubuf;
++ u16 sample;
+
-+ msleep(55);
++ for (ret = 0; ret < (ssize_t)(ucount - 1); ret += 2) {
++ if (!abdac_dma_space(dac))
++ break;
+
-+ /* Instruction Setting */
-+ ret = ltv350qv_write_reg(lcd, LTV_IFCTL,
-+ LTV_NMD | LTV_REV | LTV_NL(0x1d));
-+ ret |= ltv350qv_write_reg(lcd, LTV_DATACTL,
-+ LTV_DS_SAME | LTV_CHS_480
-+ | LTV_DF_RGB | LTV_RGB_BGR);
-+ ret |= ltv350qv_write_reg(lcd, LTV_ENTRY_MODE,
-+ LTV_VSPL_ACTIVE_LOW
-+ | LTV_HSPL_ACTIVE_LOW
-+ | LTV_DPL_SAMPLE_RISING
-+ | LTV_EPL_ACTIVE_LOW
-+ | LTV_SS_RIGHT_TO_LEFT);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL1, LTV_CLW(3));
-+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
-+ LTV_NW_INV_1LINE | LTV_FWI(3));
-+ ret |= ltv350qv_write_reg(lcd, LTV_VBP, 0x000a);
-+ ret |= ltv350qv_write_reg(lcd, LTV_HBP, 0x0021);
-+ ret |= ltv350qv_write_reg(lcd, LTV_SOTCTL, LTV_SDT(3) | LTV_EQ(0));
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(0), 0x0103);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(1), 0x0301);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(2), 0x1f0f);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(3), 0x1f0f);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(4), 0x0707);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(5), 0x0307);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(6), 0x0707);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(7), 0x0000);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(8), 0x0004);
-+ ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(9), 0x0000);
-+ if (ret)
-+ goto err_settings;
++ if (unlikely(__get_user(sample, up++))) {
++ if (ret == 0)
++ ret = -EFAULT;
++ break;
++ }
++ dac->dma.buf[abdac_get_head(dac)]
++ = (sample << 16) | sample;
++ dac->dma.head++;
++ }
++ }
+
-+ /* Wait more than 2 frames */
-+ msleep(20);
++ return ret;
++}
+
-+ /* Display On Sequence */
-+ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
-+ LTV_VCOM_DISABLE | LTV_VCOMOUT_ENABLE
-+ | LTV_POWER_ON | LTV_DRIVE_CURRENT(5)
-+ | LTV_SUPPLY_CURRENT(5));
-+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
-+ LTV_NW_INV_1LINE | LTV_DSC | LTV_FWI(3));
-+ if (ret)
-+ goto err_disp_on;
++static ssize_t trans_s16le(struct at32_dac *dac, const char __user *ubuf,
++ size_t ucount)
++{
++ ssize_t ret;
+
-+ /* Display should now be ON. Phew. */
-+ return 0;
++ if (dac->dsp_settings.channels == 2) {
++ const u32 __user *up = (const u32 __user *)ubuf;
++ u32 sample;
+
-+err_disp_on:
-+ /*
-+ * Try to recover. Error handling probably isn't very useful
-+ * at this point, just make a best effort to switch the panel
-+ * off.
-+ */
-+ ltv350qv_write_reg(lcd, LTV_PWRCTL1,
-+ LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
-+ | LTV_SUPPLY_CURRENT(5));
-+ ltv350qv_write_reg(lcd, LTV_GATECTL2,
-+ LTV_NW_INV_1LINE | LTV_FWI(3));
-+err_settings:
-+err_power2:
-+err_power1:
-+ ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
-+ msleep(1);
-+err:
-+ ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
-+ return -EIO;
++ for (ret = 0; ret < (ssize_t)(ucount - 3); ret += 4) {
++ if (!abdac_dma_space(dac))
++ break;
++
++ if (unlikely(__get_user(sample, up++))) {
++ if (ret == 0)
++ ret = -EFAULT;
++ break;
++ }
++ /* Swap bytes in each halfword */
++ dac->dma.buf[abdac_get_head(dac)] = swahb32(sample);
++ dac->dma.head++;
++ }
++ } else {
++ const u16 __user *up = (const u16 __user *)ubuf;
++ u16 sample;
++
++ for (ret = 0; ret < (ssize_t)(ucount - 1); ret += 2) {
++ if (!abdac_dma_space(dac))
++ break;
++
++ if (unlikely(__get_user(sample, up++))) {
++ if (ret == 0)
++ ret = -EFAULT;
++ break;
++ }
++ sample = swab16(sample);
++ dac->dma.buf[abdac_get_head(dac)]
++ = (sample << 16) | sample;
++ dac->dma.head++;
++ }
++ }
++
++ return ret;
+}
+
-+static int ltv350qv_power_off(struct ltv350qv *lcd)
++static ssize_t abdac_dma_translate_from_user(struct at32_dac *dac,
++ const char __user *buffer,
++ size_t count)
+{
-+ int ret;
++ /* At least one buffer must be available at this point */
++ dev_dbg(&dac->pdev->dev, "copying %zu bytes from user...\n", count);
+
-+ /* Display Off Sequence */
-+ ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
-+ LTV_VCOM_DISABLE
-+ | LTV_DRIVE_CURRENT(5)
-+ | LTV_SUPPLY_CURRENT(5));
-+ ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
-+ LTV_NW_INV_1LINE | LTV_FWI(3));
++ return dac->trans(dac, buffer, count);
++}
+
-+ /* Power down setting 1 */
-+ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
++static int abdac_set_format(struct at32_dac *dac, int format)
++{
++ unsigned int order;
+
-+ /* Wait at least 1 ms */
-+ msleep(1);
++ switch (format) {
++ case AFMT_S16_BE:
++ order = 1;
++ dac->trans = trans_s16be;
++ break;
++ case AFMT_S16_LE:
++ order = 1;
++ dac->trans = trans_s16le;
++ break;
++ default:
++ dev_dbg(&dac->pdev->dev, "unsupported format: %d\n", format);
++ return -EINVAL;
++ }
+
-+ /* Power down setting 2 */
-+ ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
++ if (dac->dsp_settings.channels == 2)
++ order++;
+
-+ /*
-+ * No point in trying to recover here. If we can't switch the
-+ * panel off, what are we supposed to do other than inform the
-+ * user about the failure?
-+ */
-+ if (ret)
-+ return -EIO;
++ dac->dsp_settings.input_order = order;
++ dac->dsp_settings.format = format;
++ return 0;
++}
++
++static int abdac_set_sample_rate(struct at32_dac *dac, unsigned long rate)
++{
++ unsigned long new_rate;
++ int ret;
++
++ ret = clk_set_rate(dac->sample_clk, 256 * rate);
++ if (ret < 0)
++ return ret;
++
++ /* TODO: mplayer seems to have a problem with this */
++#if 0
++ new_rate = clk_get_rate(dac->sample_clk);
++ dac->dsp_settings.sample_rate = new_rate / 256;
++#else
++ dac->dsp_settings.sample_rate = rate;
++#endif
+
-+ /* Display power should now be OFF */
+ return 0;
+}
+
-+static int ltv350qv_power(struct ltv350qv *lcd, int power)
++static ssize_t abdac_dsp_write(struct file *file,
++ const char __user *buffer,
++ size_t count, loff_t *ppos)
+{
-+ int ret = 0;
++ struct at32_dac *dac = file->private_data;
++ DECLARE_WAITQUEUE(wait, current);
++ unsigned int avail;
++ ssize_t copied;
++ ssize_t ret;
+
-+ if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power))
-+ ret = ltv350qv_power_on(lcd);
-+ else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power))
-+ ret = ltv350qv_power_off(lcd);
++ /* Avoid address space checking in the translation functions */
++ if (!access_ok(buffer, count, VERIFY_READ))
++ return -EFAULT;
+
-+ if (!ret)
-+ lcd->power = power;
++ down(&dac->sem);
++
++ if (!dac->dma.buf) {
++ ret = abdac_dma_prepare(dac);
++ if (ret)
++ goto out;
++ }
++
++ add_wait_queue(&dac->write_wait, &wait);
++ ret = 0;
++ while (count > 0) {
++ do {
++ abdac_update_dma_tail(dac);
++ avail = abdac_dma_space(dac);
++ set_current_state(TASK_INTERRUPTIBLE);
++ if (avail >= DMA_WRITE_THRESHOLD)
++ break;
++
++ if (file->f_flags & O_NONBLOCK) {
++ if (!ret)
++ ret = -EAGAIN;
++ goto out;
++ }
++
++ pr_debug("Going to wait (avail = %u, count = %zu)\n",
++ avail, count);
++
++ up(&dac->sem);
++ schedule();
++ if (signal_pending(current)) {
++ if (!ret)
++ ret = -ERESTARTSYS;
++ goto out_nosem;
++ }
++ down(&dac->sem);
++ } while (1);
++
++ copied = abdac_dma_translate_from_user(dac, buffer, count);
++ if (copied < 0) {
++ if (!ret)
++ ret = -EFAULT;
++ goto out;
++ }
++
++ abdac_start(dac);
++
++ count -= copied;
++ ret += copied;
++ }
+
++out:
++ up(&dac->sem);
++out_nosem:
++ remove_wait_queue(&dac->write_wait, &wait);
++ set_current_state(TASK_RUNNING);
+ return ret;
+}
+
-+static int ltv350qv_set_power(struct lcd_device *ld, int power)
++static int abdac_dsp_ioctl(struct inode *inode, struct file *file,
++ unsigned int cmd, unsigned long arg)
+{
-+ struct ltv350qv *lcd;
++ struct at32_dac *dac = file->private_data;
++ int __user *up = (int __user *)arg;
++ struct audio_buf_info abinfo;
++ int val, ret;
+
-+ lcd = class_get_devdata(&ld->class_dev);
-+ return ltv350qv_power(lcd, power);
++ switch (cmd) {
++ case OSS_GETVERSION:
++ return put_user(SOUND_VERSION, up);
++
++ case SNDCTL_DSP_SPEED:
++ if (get_user(val, up))
++ return -EFAULT;
++ if (val >= 0) {
++ abdac_stop(dac);
++ ret = abdac_set_sample_rate(dac, val);
++ if (ret)
++ return ret;
++ }
++ return put_user(dac->dsp_settings.sample_rate, up);
++
++ case SNDCTL_DSP_STEREO:
++ if (get_user(val, up))
++ return -EFAULT;
++ abdac_stop(dac);
++ if (val && dac->dsp_settings.channels == 1)
++ dac->dsp_settings.input_order++;
++ else if (!val && dac->dsp_settings.channels != 1)
++ dac->dsp_settings.input_order--;
++ dac->dsp_settings.channels = val ? 2 : 1;
++ return 0;
++
++ case SNDCTL_DSP_CHANNELS:
++ if (get_user(val, up))
++ return -EFAULT;
++
++ if (val) {
++ if (val < 0 || val > 2)
++ return -EINVAL;
++
++ abdac_stop(dac);
++ dac->dsp_settings.input_order
++ += val - dac->dsp_settings.channels;
++ dac->dsp_settings.channels = val;
++ }
++ return put_user(val, (int *)arg);
++
++ case SNDCTL_DSP_GETFMTS:
++ return put_user(AFMT_S16_BE | AFMT_S16_BE, up);
++
++ case SNDCTL_DSP_SETFMT:
++ if (get_user(val, up))
++ return -EFAULT;
++
++ if (val == AFMT_QUERY) {
++ val = dac->dsp_settings.format;
++ } else {
++ ret = abdac_set_format(dac, val);
++ if (ret)
++ return ret;
++ }
++ return put_user(val, up);
++
++ case SNDCTL_DSP_GETOSPACE:
++ abdac_update_dma_tail(dac);
++ abinfo.fragsize = ((1 << dac->dsp_settings.input_order)
++ * (DMA_PERIOD_SIZE / 4));
++ abinfo.bytes = (abdac_dma_space(dac)
++ << dac->dsp_settings.input_order);
++ abinfo.fragstotal = ((DMA_BUFFER_SIZE * 4)
++ >> (DMA_PERIOD_SHIFT
++ + dac->dsp_settings.input_order));
++ abinfo.fragments = ((abinfo.bytes
++ >> dac->dsp_settings.input_order)
++ / (DMA_PERIOD_SIZE / 4));
++ pr_debug("fragments=%d fragstotal=%d fragsize=%d bytes=%d\n",
++ abinfo.fragments, abinfo.fragstotal, abinfo.fragsize,
++ abinfo.bytes);
++ return copy_to_user(up, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
++
++ default:
++ dev_dbg(&dac->pdev->dev, "Unimplemented ioctl cmd: 0x%x\n", cmd);
++ return -EINVAL;
++ }
++}
++
++static int abdac_dsp_open(struct inode *inode, struct file *file)
++{
++ struct at32_dac *dac = the_dac;
++ int ret;
++
++ if (file->f_mode & FMODE_READ)
++ return -ENXIO;
++
++ down(&dac->sem);
++ ret = -EBUSY;
++ if (dac->busy)
++ goto out;
++
++ dac->dma.head = dac->dma.tail = 0;
++
++ /* FIXME: What are the correct defaults? */
++ dac->dsp_settings.channels = 2;
++ abdac_set_format(dac, AFMT_S16_BE);
++ ret = abdac_set_sample_rate(dac, 8000);
++ if (ret)
++ goto out;
++
++ file->private_data = dac;
++ dac->busy = 1;
++
++ ret = 0;
++
++out:
++ up(&dac->sem);
++ return ret;
+}
+
-+static int ltv350qv_get_power(struct lcd_device *ld)
++static int abdac_dsp_release(struct inode *inode, struct file *file)
+{
-+ struct ltv350qv *lcd;
++ struct at32_dac *dac = file->private_data;
+
-+ lcd = class_get_devdata(&ld->class_dev);
-+ return lcd->power;
++ down(&dac->sem);
++
++ abdac_stop(dac);
++ abdac_dma_cleanup(dac);
++ dac->busy = 0;
++
++ up(&dac->sem);
++
++ return 0;
+}
+
-+static struct lcd_ops ltv_ops = {
-+ .get_power = ltv350qv_get_power,
-+ .set_power = ltv350qv_set_power,
++static struct file_operations abdac_dsp_fops = {
++ .owner = THIS_MODULE,
++ .llseek = no_llseek,
++ .write = abdac_dsp_write,
++ .ioctl = abdac_dsp_ioctl,
++ .open = abdac_dsp_open,
++ .release = abdac_dsp_release,
+};
+
-+static int __devinit ltv350qv_probe(struct spi_device *spi)
++static int __init abdac_probe(struct platform_device *pdev)
+{
-+ struct ltv350qv *lcd;
-+ struct lcd_device *ld;
++ struct at32_dac *dac;
++ struct resource *regs;
++ struct clk *mck;
++ struct clk *sample_clk;
++ int irq;
+ int ret;
+
-+ lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL);
-+ if (!lcd)
-+ return -ENOMEM;
++ if (the_dac)
++ return -EBUSY;
+
-+ lcd->spi = spi;
-+ lcd->power = FB_BLANK_POWERDOWN;
-+ lcd->buffer = kzalloc(8, GFP_KERNEL);
++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!regs)
++ return -ENXIO;
++ irq = platform_get_irq(pdev, 0);
++ if (irq < 0)
++ return irq;
+
-+ ld = lcd_device_register("ltv350qv", lcd, <v_ops);
-+ if (IS_ERR(ld)) {
-+ ret = PTR_ERR(ld);
-+ goto out_free_lcd;
++ mck = clk_get(&pdev->dev, "pclk");
++ if (IS_ERR(mck))
++ return PTR_ERR(mck);
++ sample_clk = clk_get(&pdev->dev, "sample_clk");
++ if (IS_ERR(sample_clk)) {
++ ret = PTR_ERR(sample_clk);
++ goto out_put_mck;
+ }
-+ lcd->ld = ld;
-+
-+ ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK);
-+ if (ret)
-+ goto out_unregister;
++ clk_enable(mck);
+
-+ dev_set_drvdata(&spi->dev, lcd);
++ ret = -ENOMEM;
++ dac = kzalloc(sizeof(struct at32_dac), GFP_KERNEL);
++ if (!dac)
++ goto out_disable_clk;
+
-+ return 0;
++ spin_lock_init(&dac->lock);
++ init_MUTEX(&dac->sem);
++ init_waitqueue_head(&dac->write_wait);
++ dac->pdev = pdev;
++ dac->mck = mck;
++ dac->sample_clk = sample_clk;
+
-+out_unregister:
-+ lcd_device_unregister(ld);
-+out_free_lcd:
-+ kfree(lcd);
-+ return ret;
-+}
++ dac->regs = ioremap(regs->start, regs->end - regs->start + 1);
++ if (!dac->regs)
++ goto out_free_dac;
+
-+static int __devexit ltv350qv_remove(struct spi_device *spi)
-+{
-+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++ ret = request_irq(irq, abdac_interrupt, 0, "dac", dac);
++ if (ret)
++ goto out_unmap_regs;
+
-+ ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
-+ lcd_device_unregister(lcd->ld);
-+ kfree(lcd);
++ /* FIXME */
++ dac->req.req.dmac = find_dma_controller(0);
++ if (!dac->req.req.dmac)
++ goto out_free_irq;
+
-+ return 0;
-+}
++ ret = dma_alloc_channel(dac->req.req.dmac);
++ if (ret < 0)
++ goto out_free_irq;
+
-+#ifdef CONFIG_PM
-+static int ltv350qv_suspend(struct spi_device *spi,
-+ pm_message_t state, u32 level)
-+{
-+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++ dac->req.req.channel = ret;
++ dac->req.req.block_complete = abdac_dma_block_complete;
++ dac->req.req.error = abdac_dma_error;
++ dac->req.data_reg = regs->start + DAC_DATA;
++ dac->req.periph_id = 2; /* FIXME */
++ dac->req.direction = DMA_DIR_MEM_TO_PERIPH;
++ dac->req.width = DMA_WIDTH_32BIT;
+
-+ if (level == SUSPEND_POWER_DOWN)
-+ return ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
++ /* Make sure the DAC is silent and disabled */
++ dac_writel(dac, DATA, 0);
++ dac_writel(dac, CTRL, 0);
+
-+ return 0;
-+}
++ ret = register_sound_dsp(&abdac_dsp_fops, -1);
++ if (ret < 0)
++ goto out_free_dma;
++ dac->dev_dsp = ret;
+
-+static int ltv350qv_resume(struct spi_device *spi, u32 level)
-+{
-+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++ /* TODO: Register mixer */
+
-+ if (level == RESUME_POWER_ON)
-+ return ltv350qv_power(lcd, FB_BLANK_UNBLANK);
++ the_dac = dac;
++ platform_set_drvdata(pdev, dac);
+
+ return 0;
++
++out_free_dma:
++ dma_release_channel(dac->req.req.dmac, dac->req.req.channel);
++out_free_irq:
++ free_irq(irq, dac);
++out_unmap_regs:
++ iounmap(dac->regs);
++out_free_dac:
++ kfree(dac);
++out_disable_clk:
++ clk_disable(mck);
++ clk_put(sample_clk);
++out_put_mck:
++ clk_put(mck);
++ return ret;
+}
-+#else
-+#define ltv350qv_suspend NULL
-+#define ltv350qv_resume NULL
-+#endif
+
-+/* Power down all displays on reboot, poweroff or halt */
-+static void ltv350qv_shutdown(struct spi_device *spi)
++static int __exit abdac_remove(struct platform_device *pdev)
+{
-+ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
++ struct at32_dac *dac;
+
-+ ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
++ dac = platform_get_drvdata(pdev);
++ if (dac) {
++ unregister_sound_dsp(dac->dev_dsp);
++ dma_release_channel(dac->req.req.dmac, dac->req.req.channel);
++ free_irq(platform_get_irq(pdev, 0), dac);
++ iounmap(dac->regs);
++ clk_disable(dac->mck);
++ clk_put(dac->sample_clk);
++ clk_put(dac->mck);
++ kfree(dac);
++ platform_set_drvdata(pdev, NULL);
++ the_dac = NULL;
++ }
++
++ return 0;
+}
+
-+static struct spi_driver ltv350qv_driver = {
-+ .driver = {
-+ .name = "ltv350qv",
-+ .bus = &spi_bus_type,
-+ .owner = THIS_MODULE,
++static struct platform_driver abdac_driver = {
++ .remove = __exit_p(abdac_remove),
++ .driver = {
++ .name = "abdac",
+ },
-+
-+ .probe = ltv350qv_probe,
-+ .remove = __devexit_p(ltv350qv_remove),
-+ .shutdown = ltv350qv_shutdown,
-+ .suspend = ltv350qv_suspend,
-+ .resume = ltv350qv_resume,
+};
+
-+static int __init ltv350qv_init(void)
++static int __init abdac_init(void)
+{
-+ return spi_register_driver(<v350qv_driver);
++ return platform_driver_probe(&abdac_driver, abdac_probe);
+}
++module_init(abdac_init);
+
-+static void __exit ltv350qv_exit(void)
++static void __exit abdac_exit(void)
+{
-+ spi_unregister_driver(<v350qv_driver);
++ platform_driver_unregister(&abdac_driver);
+}
-+module_init(ltv350qv_init);
-+module_exit(ltv350qv_exit);
++module_exit(abdac_exit);
+
+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
-+MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver");
++MODULE_DESCRIPTION("Sound Driver for the Atmel AT32 ABDAC");
+MODULE_LICENSE("GPL");
-diff -x .git -Nur linux-2.6.22.1/drivers/video/backlight/ltv350qv.h linux-avr32.git/drivers/video/backlight/ltv350qv.h
---- linux-2.6.22.1/drivers/video/backlight/ltv350qv.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/drivers/video/backlight/ltv350qv.h 2007-06-06 11:34:00.000000000 +0200
-@@ -0,0 +1,95 @@
+diff --git a/sound/oss/at32_abdac.h b/sound/oss/at32_abdac.h
+new file mode 100644
+index 0000000..3c88e25
+--- /dev/null
++++ b/sound/oss/at32_abdac.h
+@@ -0,0 +1,59 @@
+/*
-+ * Register definitions for Samsung LTV350QV Quarter VGA LCD Panel
++ * Register definitions for the Atmel AT32 on-chip DAC.
+ *
-+ * Copyright (C) 2006, 2007 Atmel Corporation
++ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
-+#ifndef __LTV350QV_H
-+#define __LTV350QV_H
++#ifndef __SOUND_OSS_AT32_ABDAC_H__
++#define __SOUND_OSS_AT32_ABDAC_H__
++
++/* DAC register offsets */
++#define DAC_DATA 0x0000
++#define DAC_CTRL 0x0008
++#define DAC_INT_MASK 0x000c
++#define DAC_INT_EN 0x0010
++#define DAC_INT_DIS 0x0014
++#define DAC_INT_CLR 0x0018
++#define DAC_INT_STATUS 0x001c
++#define DAC_PDC_DATA 0x0020
+
-+#define LTV_OPC_INDEX 0x74
-+#define LTV_OPC_DATA 0x76
++/* Bitfields in CTRL */
++#define DAC_SWAP_OFFSET 30
++#define DAC_SWAP_SIZE 1
++#define DAC_EN_OFFSET 31
++#define DAC_EN_SIZE 1
++
++/* Bitfields in INT_MASK/INT_EN/INT_DIS/INT_STATUS/INT_CLR */
++#define DAC_UNDERRUN_OFFSET 28
++#define DAC_UNDERRUN_SIZE 1
++#define DAC_TX_READY_OFFSET 29
++#define DAC_TX_READY_SIZE 1
++#define DAC_TX_BUFFER_EMPTY_OFFSET 30
++#define DAC_TX_BUFFER_EMPTY_SIZE 1
++#define DAC_CHANNEL_TX_END_OFFSET 31
++#define DAC_CHANNEL_TX_END_SIZE 1
+
-+#define LTV_ID 0x00 /* ID Read */
-+#define LTV_IFCTL 0x01 /* Display Interface Control */
-+#define LTV_DATACTL 0x02 /* Display Data Control */
-+#define LTV_ENTRY_MODE 0x03 /* Entry Mode */
-+#define LTV_GATECTL1 0x04 /* Gate Control 1 */
-+#define LTV_GATECTL2 0x05 /* Gate Control 2 */
-+#define LTV_VBP 0x06 /* Vertical Back Porch */
-+#define LTV_HBP 0x07 /* Horizontal Back Porch */
-+#define LTV_SOTCTL 0x08 /* Source Output Timing Control */
-+#define LTV_PWRCTL1 0x09 /* Power Control 1 */
-+#define LTV_PWRCTL2 0x0a /* Power Control 2 */
-+#define LTV_GAMMA(x) (0x10 + (x)) /* Gamma control */
++/* Bit manipulation macros */
++#define DAC_BIT(name) \
++ (1 << DAC_##name##_OFFSET)
++#define DAC_BF(name, value) \
++ (((value) & ((1 << DAC_##name##_SIZE) - 1)) \
++ << DAC_##name##_OFFSET)
++#define DAC_BFEXT(name, value) \
++ (((value) >> DAC_##name##_OFFSET) \
++ & ((1 << DAC_##name##_SIZE) - 1))
++#define DAC_BFINS(name, value, old) \
++ (((old) & ~(((1 << DAC_##name##_SIZE) - 1) \
++ << DAC_##name##_OFFSET)) \
++ | DAC_BF(name,value))
+
-+/* Bit definitions for LTV_IFCTL */
-+#define LTV_IM (1 << 15)
-+#define LTV_NMD (1 << 14)
-+#define LTV_SSMD (1 << 13)
-+#define LTV_REV (1 << 7)
-+#define LTV_NL(x) (((x) & 0x001f) << 0)
++/* Register access macros */
++#define dac_readl(port, reg) \
++ __raw_readl((port)->regs + DAC_##reg)
++#define dac_writel(port, reg, value) \
++ __raw_writel((value), (port)->regs + DAC_##reg)
++
++#endif /* __SOUND_OSS_AT32_ABDAC_H__ */
+diff --git a/sound/spi/Kconfig b/sound/spi/Kconfig
+new file mode 100644
+index 0000000..0d08c29
+--- /dev/null
++++ b/sound/spi/Kconfig
+@@ -0,0 +1,31 @@
++#SPI drivers
++
++menu "SPI devices"
++ depends on SND != n
++
++config SND_AT73C213
++ tristate "Atmel AT73C213 DAC driver"
++ depends on ATMEL_SSC
++ select SND_PCM
++ help
++ Say Y here if you want to use the Atmel AT73C213 external DAC. This
++ DAC can be found on Atmel development boards.
+
-+/* Bit definitions for LTV_DATACTL */
-+#define LTV_DS_SAME (0 << 12)
-+#define LTV_DS_D_TO_S (1 << 12)
-+#define LTV_DS_S_TO_D (2 << 12)
-+#define LTV_CHS_384 (0 << 9)
-+#define LTV_CHS_480 (1 << 9)
-+#define LTV_CHS_492 (2 << 9)
-+#define LTV_DF_RGB (0 << 6)
-+#define LTV_DF_RGBX (1 << 6)
-+#define LTV_DF_XRGB (2 << 6)
-+#define LTV_RGB_RGB (0 << 2)
-+#define LTV_RGB_BGR (1 << 2)
-+#define LTV_RGB_GRB (2 << 2)
-+#define LTV_RGB_RBG (3 << 2)
++ This driver requires the Atmel SSC driver for sound sink, a
++ peripheral found on most AT91 and AVR32 microprocessors.
+
-+/* Bit definitions for LTV_ENTRY_MODE */
-+#define LTV_VSPL_ACTIVE_LOW (0 << 15)
-+#define LTV_VSPL_ACTIVE_HIGH (1 << 15)
-+#define LTV_HSPL_ACTIVE_LOW (0 << 14)
-+#define LTV_HSPL_ACTIVE_HIGH (1 << 14)
-+#define LTV_DPL_SAMPLE_RISING (0 << 13)
-+#define LTV_DPL_SAMPLE_FALLING (1 << 13)
-+#define LTV_EPL_ACTIVE_LOW (0 << 12)
-+#define LTV_EPL_ACTIVE_HIGH (1 << 12)
-+#define LTV_SS_LEFT_TO_RIGHT (0 << 8)
-+#define LTV_SS_RIGHT_TO_LEFT (1 << 8)
-+#define LTV_STB (1 << 1)
++ To compile this driver as a module, choose M here: the module will be
++ called snd-at73c213.
++
++config SND_AT73C213_TARGET_BITRATE
++ int "Target bitrate for AT73C213"
++ depends on SND_AT73C213
++ default "48000"
++ range 8000 50000
++ help
++ Sets the target bitrate for the bitrate calculator in the driver.
++ Limited by hardware to be between 8000 Hz and 50000 Hz.
++
++ Set to 48000 Hz by default.
++
++endmenu
+diff --git a/sound/spi/Makefile b/sound/spi/Makefile
+new file mode 100644
+index 0000000..026fb73
+--- /dev/null
++++ b/sound/spi/Makefile
+@@ -0,0 +1,5 @@
++# Makefile for SPI drivers
++
++snd-at73c213-objs := at73c213.o
++
++obj-$(CONFIG_SND_AT73C213) += snd-at73c213.o
+diff --git a/sound/spi/at73c213.c b/sound/spi/at73c213.c
+new file mode 100644
+index 0000000..f514f47
+--- /dev/null
++++ b/sound/spi/at73c213.c
+@@ -0,0 +1,1121 @@
++/*
++ * Driver for AT73C213 16-bit stereo DAC connected to Atmel SSC
++ *
++ * Copyright (C) 2006-2007 Atmel Norway
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published by
++ * the Free Software Foundation.
++ */
++
++/*#define DEBUG*/
++
++#include <linux/clk.h>
++#include <linux/err.h>
++#include <linux/delay.h>
++#include <linux/device.h>
++#include <linux/dma-mapping.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/io.h>
++
++#include <sound/driver.h>
++#include <sound/initval.h>
++#include <sound/control.h>
++#include <sound/core.h>
++#include <sound/pcm.h>
++
++#include <linux/atmel-ssc.h>
++
++#include <linux/spi/spi.h>
++#include <linux/spi/at73c213.h>
++
++#include "at73c213.h"
++
++#define BITRATE_MIN 8000 /* Hardware limit? */
++#define BITRATE_TARGET CONFIG_SND_AT73C213_TARGET_BITRATE
++#define BITRATE_MAX 50000 /* Hardware limit. */
++
++/* Initial (hardware reset) AT73C213 register values. */
++static u8 snd_at73c213_original_image[18] =
++{
++ 0x00, /* 00 - CTRL */
++ 0x05, /* 01 - LLIG */
++ 0x05, /* 02 - RLIG */
++ 0x08, /* 03 - LPMG */
++ 0x08, /* 04 - RPMG */
++ 0x00, /* 05 - LLOG */
++ 0x00, /* 06 - RLOG */
++ 0x22, /* 07 - OLC */
++ 0x09, /* 08 - MC */
++ 0x00, /* 09 - CSFC */
++ 0x00, /* 0A - MISC */
++ 0x00, /* 0B - */
++ 0x00, /* 0C - PRECH */
++ 0x05, /* 0D - AUXG */
++ 0x00, /* 0E - */
++ 0x00, /* 0F - */
++ 0x00, /* 10 - RST */
++ 0x00, /* 11 - PA_CTRL */
++};
++
++struct snd_at73c213 {
++ struct snd_card *card;
++ struct snd_pcm *pcm;
++ struct snd_pcm_substream *substream;
++ struct at73c213_board_info *board;
++ int irq;
++ int period;
++ unsigned long bitrate;
++ struct clk *bitclk;
++ struct ssc_device *ssc;
++ struct spi_device *spi;
++ u8 spi_wbuffer[2];
++ u8 spi_rbuffer[2];
++ /* Image of the SPI registers in AT73C213. */
++ u8 reg_image[18];
++ /* Protect registers against concurrent access. */
++ spinlock_t lock;
++};
++
++#define get_chip(card) ((struct snd_at73c213 *)card->private_data)
++
++static int
++snd_at73c213_write_reg(struct snd_at73c213 *chip, u8 reg, u8 val)
++{
++ struct spi_message msg;
++ struct spi_transfer msg_xfer = {
++ .len = 2,
++ .cs_change = 0,
++ };
++ int retval;
++
++ spi_message_init(&msg);
++
++ chip->spi_wbuffer[0] = reg;
++ chip->spi_wbuffer[1] = val;
++
++ msg_xfer.tx_buf = chip->spi_wbuffer;
++ msg_xfer.rx_buf = chip->spi_rbuffer;
++ spi_message_add_tail(&msg_xfer, &msg);
++
++ retval = spi_sync(chip->spi, &msg);
++
++ if (!retval)
++ chip->reg_image[reg] = val;
++
++ return retval;
++}
++
++static struct snd_pcm_hardware snd_at73c213_playback_hw = {
++ .info = SNDRV_PCM_INFO_INTERLEAVED |
++ SNDRV_PCM_INFO_BLOCK_TRANSFER,
++ .formats = SNDRV_PCM_FMTBIT_S16_BE,
++ .rates = SNDRV_PCM_RATE_CONTINUOUS,
++ .rate_min = 8000, /* Replaced by chip->bitrate later. */
++ .rate_max = 50000, /* Replaced by chip->bitrate later. */
++ .channels_min = 2,
++ .channels_max = 2,
++ .buffer_bytes_max = 64 * 1024 - 1,
++ .period_bytes_min = 512,
++ .period_bytes_max = 64 * 1024 - 1,
++ .periods_min = 4,
++ .periods_max = 1024,
++};
++
++/*
++ * Calculate and set bitrate and divisions.
++ */
++static int snd_at73c213_set_bitrate(struct snd_at73c213 *chip)
++{
++ unsigned long ssc_rate = clk_get_rate(chip->ssc->clk);
++ unsigned long dac_rate_new, ssc_div, status;
++ unsigned long ssc_div_max, ssc_div_min;
++ int max_tries;
++
++ /*
++ * We connect two clocks here, picking divisors so the I2S clocks
++ * out data at the same rate the DAC clocks it in ... and as close
++ * as practical to the desired target rate.
++ *
++ * The DAC master clock (MCLK) is programmable, and is either 256
++ * or (not here) 384 times the I2S output clock (BCLK).
++ */
++
++ /* SSC clock / (bitrate * stereo * 16-bit). */
++ ssc_div = ssc_rate / (BITRATE_TARGET * 2 * 16);
++ ssc_div_min = ssc_rate / (BITRATE_MAX * 2 * 16);
++ ssc_div_max = ssc_rate / (BITRATE_MIN * 2 * 16);
++ max_tries = (ssc_div_max - ssc_div_min) / 2;
++
++ if (max_tries < 1)
++ max_tries = 1;
++
++ /* ssc_div must be a power of 2. */
++ ssc_div = (ssc_div + 1) & ~1UL;
++
++ if ((ssc_rate / (ssc_div * 2 * 16)) < BITRATE_MIN) {
++ ssc_div -= 2;
++ if ((ssc_rate / (ssc_div * 2 * 16)) > BITRATE_MAX)
++ return -ENXIO;
++ }
++
++ /* Search for a possible bitrate. */
++ do {
++ /* SSC clock / (ssc divider * 16-bit * stereo). */
++ if ((ssc_rate / (ssc_div * 2 * 16)) < BITRATE_MIN)
++ return -ENXIO;
++
++ /* 256 / (2 * 16) = 8 */
++ dac_rate_new = 8 * (ssc_rate / ssc_div);
++
++ status = clk_round_rate(chip->board->dac_clk, dac_rate_new);
++ if (status < 0)
++ return status;
++
++ /* Ignore difference smaller than 256 Hz. */
++ if ((status/256) == (dac_rate_new/256))
++ goto set_rate;
++
++ ssc_div += 2;
++ } while (--max_tries);
++
++ /* Not able to find a valid bitrate. */
++ return -ENXIO;
++
++set_rate:
++ status = clk_set_rate(chip->board->dac_clk, status);
++ if (status < 0)
++ return status;
++
++ /* Set divider in SSC device. */
++ ssc_writel(chip->ssc->regs, CMR, ssc_div/2);
++
++ /* SSC clock / (ssc divider * 16-bit * stereo). */
++ chip->bitrate = ssc_rate / (ssc_div * 16 * 2);
++
++ dev_info(&chip->spi->dev,
++ "at73c213: supported bitrate is %lu (%lu divider)\n",
++ chip->bitrate, ssc_div);
++
++ return 0;
++}
++
++static int snd_at73c213_pcm_open(struct snd_pcm_substream *substream)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++
++ snd_at73c213_playback_hw.rate_min = chip->bitrate;
++ snd_at73c213_playback_hw.rate_max = chip->bitrate;
++ runtime->hw = snd_at73c213_playback_hw;
++ chip->substream = substream;
++
++ return 0;
++}
++
++static int snd_at73c213_pcm_close(struct snd_pcm_substream *substream)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ chip->substream = NULL;
++ return 0;
++}
++
++static int snd_at73c213_pcm_hw_params(struct snd_pcm_substream *substream,
++ struct snd_pcm_hw_params *hw_params)
++{
++ return snd_pcm_lib_malloc_pages(substream,
++ params_buffer_bytes(hw_params));
++}
++
++static int snd_at73c213_pcm_hw_free(struct snd_pcm_substream *substream)
++{
++ return snd_pcm_lib_free_pages(substream);
++}
+
-+/* Bit definitions for LTV_GATECTL1 */
-+#define LTV_CLW(x) (((x) & 0x0007) << 12)
-+#define LTV_GAON (1 << 5)
-+#define LTV_SDR (1 << 3)
++static int snd_at73c213_pcm_prepare(struct snd_pcm_substream *substream)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ int block_size;
+
-+/* Bit definitions for LTV_GATECTL2 */
-+#define LTV_NW_INV_FRAME (0 << 14)
-+#define LTV_NW_INV_1LINE (1 << 14)
-+#define LTV_NW_INV_2LINE (2 << 14)
-+#define LTV_DSC (1 << 12)
-+#define LTV_GIF (1 << 8)
-+#define LTV_FHN (1 << 7)
-+#define LTV_FTI(x) (((x) & 0x0003) << 4)
-+#define LTV_FWI(x) (((x) & 0x0003) << 0)
++ block_size = frames_to_bytes(runtime, runtime->period_size);
+
-+/* Bit definitions for LTV_SOTCTL */
-+#define LTV_SDT(x) (((x) & 0x0007) << 10)
-+#define LTV_EQ(x) (((x) & 0x0007) << 2)
++ chip->period = 0;
+
-+/* Bit definitions for LTV_PWRCTL1 */
-+#define LTV_VCOM_DISABLE (1 << 14)
-+#define LTV_VCOMOUT_ENABLE (1 << 11)
-+#define LTV_POWER_ON (1 << 9)
-+#define LTV_DRIVE_CURRENT(x) (((x) & 0x0007) << 4) /* 0=off, 5=max */
-+#define LTV_SUPPLY_CURRENT(x) (((x) & 0x0007) << 0) /* 0=off, 5=max */
++ ssc_writel(chip->ssc->regs, PDC_TPR,
++ (long)runtime->dma_addr);
++ ssc_writel(chip->ssc->regs, PDC_TCR, runtime->period_size * 2);
++ ssc_writel(chip->ssc->regs, PDC_TNPR,
++ (long)runtime->dma_addr + block_size);
++ ssc_writel(chip->ssc->regs, PDC_TNCR, runtime->period_size * 2);
+
-+/* Bit definitions for LTV_PWRCTL2 */
-+#define LTV_VCOML_ENABLE (1 << 13)
-+#define LTV_VCOML_VOLTAGE(x) (((x) & 0x001f) << 8) /* 0=1V, 31=-1V */
-+#define LTV_VCOMH_VOLTAGE(x) (((x) & 0x001f) << 0) /* 0=3V, 31=4.5V */
++ return 0;
++}
+
-+#endif /* __LTV350QV_H */
-diff -x .git -Nur linux-2.6.22.1/drivers/video/backlight/Makefile linux-avr32.git/drivers/video/backlight/Makefile
---- linux-2.6.22.1/drivers/video/backlight/Makefile 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/video/backlight/Makefile 2007-07-12 14:00:20.000000000 +0200
-@@ -1,6 +1,8 @@
- # Backlight & LCD drivers
-
- obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o
-+obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o
++static int snd_at73c213_pcm_trigger(struct snd_pcm_substream *substream,
++ int cmd)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ int retval = 0;
+
- obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
- obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o
- obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o
-diff -x .git -Nur linux-2.6.22.1/drivers/video/Kconfig linux-avr32.git/drivers/video/Kconfig
---- linux-2.6.22.1/drivers/video/Kconfig 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/drivers/video/Kconfig 2007-07-12 14:00:20.000000000 +0200
-@@ -849,6 +849,16 @@
- Say Y if you want to map Frame Buffer in internal SRAM. Say N if you want
- to let frame buffer in external SDRAM.
-
-+config FB_ATMEL_STN
-+ bool "Use a STN display with AT91/AT32 LCD Controller"
-+ depends on FB_ATMEL && ARCH_AT91SAM9261
-+ default n
-+ help
-+ Say Y if you want to connect a STN LCD display to the AT91/AT32 LCD
-+ Controller. Say N if you want to connect a TFT.
++ spin_lock(&chip->lock);
+
-+ If unsure, say N.
++ switch (cmd) {
++ case SNDRV_PCM_TRIGGER_START:
++ ssc_writel(chip->ssc->regs, IER, SSC_BIT(IER_ENDTX));
++ ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTEN));
++ break;
++ case SNDRV_PCM_TRIGGER_STOP:
++ ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTDIS));
++ ssc_writel(chip->ssc->regs, IDR, SSC_BIT(IDR_ENDTX));
++ break;
++ default:
++ dev_dbg(&chip->spi->dev, "spurious command %x\n", cmd);
++ retval = -EINVAL;
++ break;
++ }
+
- config FB_NVIDIA
- tristate "nVidia Framebuffer Support"
- depends on FB && PCI
-diff -x .git -Nur linux-2.6.22.1/include/asm-arm/arch-at91/board.h linux-avr32.git/include/asm-arm/arch-at91/board.h
---- linux-2.6.22.1/include/asm-arm/arch-at91/board.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/include/asm-arm/arch-at91/board.h 2007-07-12 14:00:26.000000000 +0200
-@@ -64,6 +64,7 @@
-
- /* Ethernet (EMAC & MACB) */
- struct at91_eth_data {
-+ u32 phy_mask;
- u8 phy_irq_pin; /* PHY IRQ */
- u8 is_rmii; /* using RMII interface? */
- };
-diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/arch-at32ap/board.h linux-avr32.git/include/asm-avr32/arch-at32ap/board.h
---- linux-2.6.22.1/include/asm-avr32/arch-at32ap/board.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/include/asm-avr32/arch-at32ap/board.h 2007-07-12 14:00:26.000000000 +0200
-@@ -6,6 +6,8 @@
-
- #include <linux/types.h>
-
-+#define GPIO_PIN_NONE (-1)
++ spin_unlock(&chip->lock);
+
- /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */
- void at32_add_system_devices(void);
-
-@@ -21,6 +23,7 @@
- struct platform_device *at32_add_device_usart(unsigned int id);
-
- struct eth_platform_data {
-+ u32 phy_mask;
- u8 is_rmii;
- };
- struct platform_device *
-@@ -30,9 +33,41 @@
- struct platform_device *
- at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n);
-
-+struct platform_device *at32_add_device_twi(unsigned int id);
++ return retval;
++}
+
-+struct mci_platform_data {
-+ int detect_pin;
-+ int wp_pin;
-+};
-+struct platform_device *
-+at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
++static snd_pcm_uframes_t
++snd_at73c213_pcm_pointer(struct snd_pcm_substream *substream)
++{
++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream);
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ snd_pcm_uframes_t pos;
++ unsigned long bytes;
+
-+struct usba_platform_data {
-+ int vbus_pin;
++ bytes = ssc_readl(chip->ssc->regs, PDC_TPR)
++ - (unsigned long)runtime->dma_addr;
++
++ pos = bytes_to_frames(runtime, bytes);
++ if (pos >= runtime->buffer_size)
++ pos -= runtime->buffer_size;
++
++ return pos;
++}
++
++static struct snd_pcm_ops at73c213_playback_ops = {
++ .open = snd_at73c213_pcm_open,
++ .close = snd_at73c213_pcm_close,
++ .ioctl = snd_pcm_lib_ioctl,
++ .hw_params = snd_at73c213_pcm_hw_params,
++ .hw_free = snd_at73c213_pcm_hw_free,
++ .prepare = snd_at73c213_pcm_prepare,
++ .trigger = snd_at73c213_pcm_trigger,
++ .pointer = snd_at73c213_pcm_pointer,
+};
-+struct platform_device *
-+at32_add_device_usba(unsigned int id, struct usba_platform_data *data);
+
- struct atmel_lcdfb_info;
- struct platform_device *
- at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
- unsigned long fbmem_start, unsigned long fbmem_len);
-
-+struct platform_device *at32_add_device_ac97c(unsigned int id);
-+struct platform_device *at32_add_device_abdac(unsigned int id);
++static void snd_at73c213_pcm_free(struct snd_pcm *pcm)
++{
++ struct snd_at73c213 *chip = snd_pcm_chip(pcm);
++ if (chip->pcm) {
++ snd_pcm_lib_preallocate_free_for_all(chip->pcm);
++ chip->pcm = NULL;
++ }
++}
+
-+/* depending on what's hooked up, not all SSC pins will be used */
-+#define ATMEL_SSC_TK 0x01
-+#define ATMEL_SSC_TF 0x02
-+#define ATMEL_SSC_TD 0x04
-+#define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
++static int __devinit snd_at73c213_pcm_new(struct snd_at73c213 *chip, int device)
++{
++ struct snd_pcm *pcm;
++ int retval;
+
-+#define ATMEL_SSC_RK 0x10
-+#define ATMEL_SSC_RF 0x20
-+#define ATMEL_SSC_RD 0x40
-+#define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
++ retval = snd_pcm_new(chip->card, chip->card->shortname,
++ device, 1, 0, &pcm);
++ if (retval < 0)
++ goto out;
+
-+struct platform_device *
-+at32_add_device_ssc(unsigned int id, unsigned int flags);
++ pcm->private_data = chip;
++ pcm->private_free = snd_at73c213_pcm_free;
++ pcm->info_flags = SNDRV_PCM_INFO_BLOCK_TRANSFER;
++ strcpy(pcm->name, "at73c213");
++ chip->pcm = pcm;
+
- #endif /* __ASM_ARCH_BOARD_H */
-diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/arch-at32ap/portmux.h linux-avr32.git/include/asm-avr32/arch-at32ap/portmux.h
---- linux-2.6.22.1/include/asm-avr32/arch-at32ap/portmux.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/include/asm-avr32/arch-at32ap/portmux.h 2007-07-12 14:00:26.000000000 +0200
-@@ -25,4 +25,16 @@
- void at32_select_gpio(unsigned int pin, unsigned long flags);
- void at32_reserve_pin(unsigned int pin);
-
-+#ifdef CONFIG_GPIO_DEV
++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &at73c213_playback_ops);
+
-+/* Gang allocators and accessors; used by the GPIO /dev driver */
-+int at32_gpio_port_is_valid(unsigned int port);
-+int at32_select_gpio_pins(unsigned int port, u32 pins, u32 oe_mask);
-+void at32_deselect_pins(unsigned int port, u32 pins);
++ retval = snd_pcm_lib_preallocate_pages_for_all(chip->pcm,
++ SNDRV_DMA_TYPE_DEV, &chip->ssc->pdev->dev,
++ 64 * 1024, 64 * 1024);
++out:
++ return retval;
++}
+
-+u32 at32_gpio_get_value_multiple(unsigned int port, u32 pins);
-+void at32_gpio_set_value_multiple(unsigned int port, u32 value, u32 mask);
++static irqreturn_t snd_at73c213_interrupt(int irq, void *dev_id)
++{
++ struct snd_at73c213 *chip = dev_id;
++ struct snd_pcm_runtime *runtime = chip->substream->runtime;
++ u32 status;
++ int offset;
++ int block_size;
++ int next_period;
++ int retval = IRQ_NONE;
+
-+#endif /* CONFIG_GPIO_DEV */
++ spin_lock(&chip->lock);
++
++ block_size = frames_to_bytes(runtime, runtime->period_size);
++ status = ssc_readl(chip->ssc->regs, IMR);
++
++ if (status & SSC_BIT(IMR_ENDTX)) {
++ chip->period++;
++ if (chip->period == runtime->periods)
++ chip->period = 0;
++ next_period = chip->period + 1;
++ if (next_period == runtime->periods)
++ next_period = 0;
++
++ offset = block_size * next_period;
++
++ ssc_writel(chip->ssc->regs, PDC_TNPR,
++ (long)runtime->dma_addr + offset);
++ ssc_writel(chip->ssc->regs, PDC_TNCR, runtime->period_size * 2);
++ retval = IRQ_HANDLED;
++ }
++
++ ssc_readl(chip->ssc->regs, IMR);
++ spin_unlock(&chip->lock);
++
++ if (status & SSC_BIT(IMR_ENDTX))
++ snd_pcm_period_elapsed(chip->substream);
++
++ return retval;
++}
+
- #endif /* __ASM_ARCH_PORTMUX_H__ */
-diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/arch-at32ap/sm.h linux-avr32.git/include/asm-avr32/arch-at32ap/sm.h
---- linux-2.6.22.1/include/asm-avr32/arch-at32ap/sm.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/include/asm-avr32/arch-at32ap/sm.h 1970-01-01 01:00:00.000000000 +0100
-@@ -1,27 +0,0 @@
--/*
-- * AT32 System Manager interface.
-- *
-- * Copyright (C) 2006 Atmel Corporation
-- *
-- * This program is free software; you can redistribute it and/or modify
-- * it under the terms of the GNU General Public License version 2 as
-- * published by the Free Software Foundation.
-- */
--#ifndef __ASM_AVR32_AT32_SM_H__
--#define __ASM_AVR32_AT32_SM_H__
--
--struct irq_chip;
--struct platform_device;
--
--struct at32_sm {
-- spinlock_t lock;
-- void __iomem *regs;
-- struct irq_chip *eim_chip;
-- unsigned int eim_first_irq;
-- struct platform_device *pdev;
--};
--
--extern struct platform_device at32_sm_device;
--extern struct at32_sm system_manager;
--
--#endif /* __ASM_AVR32_AT32_SM_H__ */
-diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/dma-controller.h linux-avr32.git/include/asm-avr32/dma-controller.h
---- linux-2.6.22.1/include/asm-avr32/dma-controller.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/include/asm-avr32/dma-controller.h 2007-06-06 11:34:11.000000000 +0200
-@@ -0,0 +1,166 @@
+/*
-+ * Copyright (C) 2005-2006 Atmel Corporation
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
++ * Mixer functions.
+ */
-+#ifndef __ASM_AVR32_DMA_CONTROLLER_H
-+#define __ASM_AVR32_DMA_CONTROLLER_H
++static int snd_at73c213_mono_get(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int reg = kcontrol->private_value & 0xff;
++ int shift = (kcontrol->private_value >> 8) & 0xff;
++ int mask = (kcontrol->private_value >> 16) & 0xff;
++ int invert = (kcontrol->private_value >> 24) & 0xff;
+
-+#include <linux/device.h>
++ spin_lock_irq(&chip->lock);
+
-+#define DMA_DIR_MEM_TO_MEM 0x0000
-+#define DMA_DIR_MEM_TO_PERIPH 0x0001
-+#define DMA_DIR_PERIPH_TO_MEM 0x0002
-+#define DMA_DIR_PERIPH_TO_PERIPH 0x0003
++ ucontrol->value.integer.value[0] = (chip->reg_image[reg] >> shift) & mask;
+
-+#define DMA_WIDTH_8BIT 0
-+#define DMA_WIDTH_16BIT 1
-+#define DMA_WIDTH_32BIT 2
++ if (invert)
++ ucontrol->value.integer.value[0] =
++ (mask - ucontrol->value.integer.value[0]);
+
-+struct dma_request {
-+ struct dma_controller *dmac;
-+ struct list_head list;
++ spin_unlock_irq(&chip->lock);
+
-+ unsigned short channel;
++ return 0;
++}
+
-+ void (*xfer_complete)(struct dma_request *req);
-+ void (*block_complete)(struct dma_request *req);
-+ void (*error)(struct dma_request *req);
-+};
++static int snd_at73c213_mono_put(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int reg = kcontrol->private_value & 0xff;
++ int shift = (kcontrol->private_value >> 8) & 0xff;
++ int mask = (kcontrol->private_value >> 16) & 0xff;
++ int invert = (kcontrol->private_value >> 24) & 0xff;
++ int change, retval;
++ unsigned short val;
+
-+struct dma_request_sg {
-+ struct dma_request req;
++ val = (ucontrol->value.integer.value[0] & mask);
++ if (invert)
++ val = mask - val;
++ val <<= shift;
+
-+ int nr_sg;
-+ struct scatterlist *sg;
-+ unsigned long block_size;
-+ unsigned int nr_blocks;
++ spin_lock_irq(&chip->lock);
+
-+ dma_addr_t data_reg;
-+ unsigned short periph_id;
++ val = (chip->reg_image[reg] & ~(mask << shift)) | val;
++ change = val != chip->reg_image[reg];
++ retval = snd_at73c213_write_reg(chip, reg, val);
+
-+ unsigned char direction;
-+ unsigned char width;
-+};
-+#define to_dma_request_sg(_req) \
-+ container_of(_req, struct dma_request_sg, req)
++ spin_unlock_irq(&chip->lock);
+
-+struct dma_request_cyclic {
-+ struct dma_request req;
++ if (retval)
++ return retval;
+
-+ int periods;
-+ unsigned long buffer_size;
++ return change;
++}
+
-+ dma_addr_t buffer_start;
-+ dma_addr_t data_reg;
++static int snd_at73c213_stereo_info(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
++{
++ int mask = (kcontrol->private_value >> 24) & 0xff;
+
-+ unsigned short periph_id;
-+ unsigned char direction;
-+ unsigned char width;
++ if (mask == 1)
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
++ else
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+
-+ void *dev_id;
-+};
-+#define to_dma_request_cyclic(_req) \
-+ container_of(_req, struct dma_request_cyclic, req)
++ uinfo->count = 2;
++ uinfo->value.integer.min = 0;
++ uinfo->value.integer.max = mask;
+
-+struct dma_request_memcpy {
-+ struct dma_request req;
++ return 0;
++}
+
-+ dma_addr_t src_addr;
-+ unsigned int src_width;
-+ unsigned int src_stride;
++static int snd_at73c213_stereo_get(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int left_reg = kcontrol->private_value & 0xff;
++ int right_reg = (kcontrol->private_value >> 8) & 0xff;
++ int shift_left = (kcontrol->private_value >> 16) & 0x07;
++ int shift_right = (kcontrol->private_value >> 19) & 0x07;
++ int mask = (kcontrol->private_value >> 24) & 0xff;
++ int invert = (kcontrol->private_value >> 22) & 1;
+
-+ dma_addr_t dst_addr;
-+ unsigned int dst_width;
-+ unsigned int dst_stride;
++ spin_lock_irq(&chip->lock);
+
-+ size_t length;
++ ucontrol->value.integer.value[0] =
++ (chip->reg_image[left_reg] >> shift_left) & mask;
++ ucontrol->value.integer.value[1] =
++ (chip->reg_image[right_reg] >> shift_right) & mask;
+
-+ unsigned short src_reverse:1;
-+ unsigned short dst_reverse:1;
-+};
-+#define to_dma_request_memcpy(_req) \
-+ container_of(_req, struct dma_request_memcpy, req)
++ if (invert) {
++ ucontrol->value.integer.value[0] =
++ (mask - ucontrol->value.integer.value[0]);
++ ucontrol->value.integer.value[1] =
++ (mask - ucontrol->value.integer.value[1]);
++ }
+
-+struct dma_controller {
-+ struct list_head list;
-+ int id;
-+ struct device *dev;
++ spin_unlock_irq(&chip->lock);
+
-+ int (*alloc_channel)(struct dma_controller *dmac);
-+ void (*release_channel)(struct dma_controller *dmac,
-+ int channel);
-+ int (*prepare_request_sg)(struct dma_controller *dmac,
-+ struct dma_request_sg *req);
-+ int (*prepare_request_cyclic)(struct dma_controller *dmac,
-+ struct dma_request_cyclic *req);
-+ int (*prepare_request_memcpy)(struct dma_controller *dmac,
-+ struct dma_request_memcpy *req);
-+ int (*start_request)(struct dma_controller *dmac,
-+ unsigned int channel);
-+ int (*stop_request)(struct dma_controller *dmac,
-+ unsigned int channel);
-+ dma_addr_t (*get_current_pos)(struct dma_controller *dmac,
-+ unsigned int channel);
-+};
++ return 0;
++}
++
++static int snd_at73c213_stereo_put(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int left_reg = kcontrol->private_value & 0xff;
++ int right_reg = (kcontrol->private_value >> 8) & 0xff;
++ int shift_left = (kcontrol->private_value >> 16) & 0x07;
++ int shift_right = (kcontrol->private_value >> 19) & 0x07;
++ int mask = (kcontrol->private_value >> 24) & 0xff;
++ int invert = (kcontrol->private_value >> 22) & 1;
++ int change, retval;
++ unsigned short val1, val2;
++
++ val1 = ucontrol->value.integer.value[0] & mask;
++ val2 = ucontrol->value.integer.value[1] & mask;
++ if (invert) {
++ val1 = mask - val1;
++ val2 = mask - val2;
++ }
++ val1 <<= shift_left;
++ val2 <<= shift_right;
++
++ spin_lock_irq(&chip->lock);
++
++ val1 = (chip->reg_image[left_reg] & ~(mask << shift_left)) | val1;
++ val2 = (chip->reg_image[right_reg] & ~(mask << shift_right)) | val2;
++ change = val1 != chip->reg_image[left_reg]
++ || val2 != chip->reg_image[right_reg];
++ retval = snd_at73c213_write_reg(chip, left_reg, val1);
++ if (retval) {
++ spin_unlock_irq(&chip->lock);
++ goto out;
++ }
++ retval = snd_at73c213_write_reg(chip, right_reg, val2);
++ if (retval) {
++ spin_unlock_irq(&chip->lock);
++ goto out;
++ }
++
++ spin_unlock_irq(&chip->lock);
++
++ return change;
++
++out:
++ return retval;
++}
++
++static int snd_at73c213_mono_switch_info(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
++{
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
++ uinfo->count = 1;
++ uinfo->value.integer.min = 0;
++ uinfo->value.integer.max = 1;
++
++ return 0;
++}
++
++static int snd_at73c213_mono_switch_get(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int reg = kcontrol->private_value & 0xff;
++ int shift = (kcontrol->private_value >> 8) & 0xff;
++ int invert = (kcontrol->private_value >> 24) & 0xff;
++
++ spin_lock_irq(&chip->lock);
++
++ ucontrol->value.integer.value[0] = (chip->reg_image[reg] >> shift) & 0x01;
++
++ if (invert)
++ ucontrol->value.integer.value[0] =
++ (0x01 - ucontrol->value.integer.value[0]);
++
++ spin_unlock_irq(&chip->lock);
++
++ return 0;
++}
++
++static int snd_at73c213_mono_switch_put(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_value *ucontrol)
++{
++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol);
++ int reg = kcontrol->private_value & 0xff;
++ int shift = (kcontrol->private_value >> 8) & 0xff;
++ int mask = (kcontrol->private_value >> 16) & 0xff;
++ int invert = (kcontrol->private_value >> 24) & 0xff;
++ int change, retval;
++ unsigned short val;
++
++ if (ucontrol->value.integer.value[0])
++ val = mask;
++ else
++ val = 0;
+
-+static inline int
-+dma_alloc_channel(struct dma_controller *dmac)
++ if (invert)
++ val = mask - val;
++ val <<= shift;
++
++ spin_lock_irq(&chip->lock);
++
++ val |= (chip->reg_image[reg] & ~(mask << shift));
++ change = val != chip->reg_image[reg];
++
++ retval = snd_at73c213_write_reg(chip, reg, val);
++
++ spin_unlock_irq(&chip->lock);
++
++ if (retval)
++ return retval;
++
++ return change;
++}
++
++static int snd_at73c213_pa_volume_info(struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
+{
-+ return dmac->alloc_channel(dmac);
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
++ uinfo->count = 1;
++ uinfo->value.integer.min = 0;
++ uinfo->value.integer.max = ((kcontrol->private_value >> 16) & 0xff) - 1;
++
++ return 0;
+}
+
-+static inline void
-+dma_release_channel(struct dma_controller *dmac, int chan)
++static int snd_at73c213_line_capture_volume_info(
++ struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
+{
-+ dmac->release_channel(dmac, chan);
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
++ uinfo->count = 2;
++ /* When inverted will give values 0x10001 => 0. */
++ uinfo->value.integer.min = 14;
++ uinfo->value.integer.max = 31;
++
++ return 0;
+}
+
-+static inline int
-+dma_prepare_request_sg(struct dma_controller *dmac,
-+ struct dma_request_sg *req)
++static int snd_at73c213_aux_capture_volume_info(
++ struct snd_kcontrol *kcontrol,
++ struct snd_ctl_elem_info *uinfo)
+{
-+ return dmac->prepare_request_sg(dmac, req);
++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
++ uinfo->count = 1;
++ /* When inverted will give values 0x10001 => 0. */
++ uinfo->value.integer.min = 14;
++ uinfo->value.integer.max = 31;
++
++ return 0;
+}
+
-+static inline int
-+dma_prepare_request_cyclic(struct dma_controller *dmac,
-+ struct dma_request_cyclic *req)
++#define AT73C213_MONO_SWITCH(xname, xindex, reg, shift, mask, invert) \
++{ \
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
++ .name = xname, \
++ .index = xindex, \
++ .info = snd_at73c213_mono_switch_info, \
++ .get = snd_at73c213_mono_switch_get, \
++ .put = snd_at73c213_mono_switch_put, \
++ .private_value = (reg | (shift << 8) | (mask << 16) | (invert << 24)) \
++}
++
++#define AT73C213_STEREO(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
++{ \
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
++ .name = xname, \
++ .index = xindex, \
++ .info = snd_at73c213_stereo_info, \
++ .get = snd_at73c213_stereo_get, \
++ .put = snd_at73c213_stereo_put, \
++ .private_value = (left_reg | (right_reg << 8) \
++ | (shift_left << 16) | (shift_right << 19) \
++ | (mask << 24) | (invert << 22)) \
++}
++
++static struct snd_kcontrol_new snd_at73c213_controls[] __devinitdata = {
++AT73C213_STEREO("Master Playback Volume", 0, DAC_LMPG, DAC_RMPG, 0, 0, 0x1f, 1),
++AT73C213_STEREO("Master Playback Switch", 0, DAC_LMPG, DAC_RMPG, 5, 5, 1, 1),
++AT73C213_STEREO("PCM Playback Volume", 0, DAC_LLOG, DAC_RLOG, 0, 0, 0x1f, 1),
++AT73C213_STEREO("PCM Playback Switch", 0, DAC_LLOG, DAC_RLOG, 5, 5, 1, 1),
++AT73C213_MONO_SWITCH("Mono PA Playback Switch", 0, DAC_CTRL, DAC_CTRL_ONPADRV, 0x01, 0),
++{
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
++ .name = "PA Playback Volume",
++ .index = 0,
++ .info = snd_at73c213_pa_volume_info,
++ .get = snd_at73c213_mono_get,
++ .put = snd_at73c213_mono_put,
++ .private_value = PA_CTRL | (PA_CTRL_APAGAIN << 8) | (0x0f << 16) | (1 << 24),
++},
++AT73C213_MONO_SWITCH("PA High Gain Playback Switch", 0, PA_CTRL, PA_CTRL_APALP, 0x01, 1),
++AT73C213_MONO_SWITCH("PA Playback Switch", 0, PA_CTRL, PA_CTRL_APAON, 0x01, 0),
++{
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
++ .name = "Aux Capture Volume",
++ .index = 0,
++ .info = snd_at73c213_aux_capture_volume_info,
++ .get = snd_at73c213_mono_get,
++ .put = snd_at73c213_mono_put,
++ .private_value = DAC_AUXG | (0 << 8) | (0x1f << 16) | (1 << 24),
++},
++AT73C213_MONO_SWITCH("Aux Capture Switch", 0, DAC_CTRL, DAC_CTRL_ONAUXIN, 0x01, 0),
++{
++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
++ .name = "Line Capture Volume",
++ .index = 0,
++ .info = snd_at73c213_line_capture_volume_info,
++ .get = snd_at73c213_stereo_get,
++ .put = snd_at73c213_stereo_put,
++ .private_value = DAC_LLIG | (DAC_RLIG << 8) | (0 << 16) | (0 << 19)
++ | (0x1f << 24) | (1 << 22),
++},
++AT73C213_MONO_SWITCH("Line Capture Switch", 0, DAC_CTRL, 0, 0x03, 0),
++};
++
++static int __devinit snd_at73c213_mixer(struct snd_at73c213 *chip)
+{
-+ return dmac->prepare_request_cyclic(dmac, req);
++ struct snd_card *card;
++ int errval, idx;
++
++ if (chip == NULL || chip->pcm == NULL)
++ return -EINVAL;
++
++ card = chip->card;
++
++ strcpy(card->mixername, chip->pcm->name);
++
++ for (idx = 0; idx < ARRAY_SIZE(snd_at73c213_controls); idx++) {
++ errval = snd_ctl_add(card,
++ snd_ctl_new1(&snd_at73c213_controls[idx],
++ chip));
++ if (errval < 0)
++ goto cleanup;
++ }
++
++ return 0;
++
++cleanup:
++ for (idx = 1; idx < ARRAY_SIZE(snd_at73c213_controls) + 1; idx++) {
++ struct snd_kcontrol *kctl;
++ kctl = snd_ctl_find_numid(card, idx);
++ if (kctl)
++ snd_ctl_remove(card, kctl);
++ }
++ return errval;
+}
+
-+static inline int
-+dma_prepare_request_memcpy(struct dma_controller *dmac,
-+ struct dma_request_memcpy *req)
++/*
++ * Device functions
++ */
++static int snd_at73c213_ssc_init(struct snd_at73c213 *chip)
+{
-+ return dmac->prepare_request_memcpy(dmac, req);
++ /*
++ * Continuous clock output.
++ * Starts on falling TF.
++ * Delay 1 cycle (1 bit).
++ * Periode is 16 bit (16 - 1).
++ */
++ ssc_writel(chip->ssc->regs, TCMR,
++ SSC_BF(TCMR_CKO, 1)
++ | SSC_BF(TCMR_START, 4)
++ | SSC_BF(TCMR_STTDLY, 1)
++ | SSC_BF(TCMR_PERIOD, 16 - 1));
++ /*
++ * Data length is 16 bit (16 - 1).
++ * Transmit MSB first.
++ * Transmit 2 words each transfer.
++ * Frame sync length is 16 bit (16 - 1).
++ * Frame starts on negative pulse.
++ */
++ ssc_writel(chip->ssc->regs, TFMR,
++ SSC_BF(TFMR_DATLEN, 16 - 1)
++ | SSC_BIT(TFMR_MSBF)
++ | SSC_BF(TFMR_DATNB, 1)
++ | SSC_BF(TFMR_FSLEN, 16 - 1)
++ | SSC_BF(TFMR_FSOS, 1));
++
++ return 0;
+}
+
-+static inline int
-+dma_start_request(struct dma_controller *dmac,
-+ unsigned int channel)
++static int snd_at73c213_chip_init(struct snd_at73c213 *chip)
+{
-+ return dmac->start_request(dmac, channel);
++ int retval;
++ unsigned char dac_ctrl = 0;
++
++ retval = snd_at73c213_set_bitrate(chip);
++ if (retval)
++ goto out;
++
++ /* Enable DAC master clock. */
++ clk_enable(chip->board->dac_clk);
++
++ /* Initialize at73c213 on SPI bus. */
++ retval = snd_at73c213_write_reg(chip, DAC_RST, 0x04);
++ if (retval)
++ goto out_clk;
++ msleep(1);
++ retval = snd_at73c213_write_reg(chip, DAC_RST, 0x03);
++ if (retval)
++ goto out_clk;
++
++ /* Precharge everything. */
++ retval = snd_at73c213_write_reg(chip, DAC_PRECH, 0xff);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, PA_CTRL, (1<<PA_CTRL_APAPRECH));
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_CTRL,
++ (1<<DAC_CTRL_ONLNOL) | (1<<DAC_CTRL_ONLNOR));
++ if (retval)
++ goto out_clk;
++
++ msleep(50);
++
++ /* Stop precharging PA. */
++ retval = snd_at73c213_write_reg(chip, PA_CTRL,
++ (1<<PA_CTRL_APALP) | 0x0f);
++ if (retval)
++ goto out_clk;
++
++ msleep(450);
++
++ /* Stop precharging DAC, turn on master power. */
++ retval = snd_at73c213_write_reg(chip, DAC_PRECH, (1<<DAC_PRECH_ONMSTR));
++ if (retval)
++ goto out_clk;
++
++ msleep(1);
++
++ /* Turn on DAC. */
++ dac_ctrl = (1<<DAC_CTRL_ONDACL) | (1<<DAC_CTRL_ONDACR)
++ | (1<<DAC_CTRL_ONLNOL) | (1<<DAC_CTRL_ONLNOR);
++
++ retval = snd_at73c213_write_reg(chip, DAC_CTRL, dac_ctrl);
++ if (retval)
++ goto out_clk;
++
++ /* Mute sound. */
++ retval = snd_at73c213_write_reg(chip, DAC_LMPG, 0x3f);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_RMPG, 0x3f);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_LLOG, 0x3f);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_RLOG, 0x3f);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_LLIG, 0x11);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_RLIG, 0x11);
++ if (retval)
++ goto out_clk;
++ retval = snd_at73c213_write_reg(chip, DAC_AUXG, 0x11);
++ if (retval)
++ goto out_clk;
++
++ /* Enable I2S device, i.e. clock output. */
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN));
++
++ goto out;
++
++out_clk:
++ clk_disable(chip->board->dac_clk);
++out:
++ return retval;
+}
+
-+static inline int
-+dma_stop_request(struct dma_controller *dmac,
-+ unsigned int channel)
++static int snd_at73c213_dev_free(struct snd_device *device)
+{
-+ return dmac->stop_request(dmac, channel);
++ struct snd_at73c213 *chip = device->device_data;
++
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
++ if (chip->irq >= 0) {
++ free_irq(chip->irq, chip);
++ chip->irq = -1;
++ }
++
++ return 0;
+}
+
-+static inline dma_addr_t
-+dma_get_current_pos(struct dma_controller *dmac,
-+ unsigned int channel)
++static int __devinit snd_at73c213_dev_init(struct snd_card *card,
++ struct spi_device *spi)
+{
-+ return dmac->get_current_pos(dmac, channel);
++ static struct snd_device_ops ops = {
++ .dev_free = snd_at73c213_dev_free,
++ };
++ struct snd_at73c213 *chip = get_chip(card);
++ int irq, retval;
++
++ irq = chip->ssc->irq;
++ if (irq < 0)
++ return irq;
++
++ spin_lock_init(&chip->lock);
++ chip->card = card;
++ chip->irq = -1;
++
++ retval = request_irq(irq, snd_at73c213_interrupt, 0, "at73c213", chip);
++ if (retval) {
++ dev_dbg(&chip->spi->dev, "unable to request irq %d\n", irq);
++ goto out;
++ }
++ chip->irq = irq;
++
++ memcpy(&chip->reg_image, &snd_at73c213_original_image,
++ sizeof(snd_at73c213_original_image));
++
++ retval = snd_at73c213_ssc_init(chip);
++ if (retval)
++ goto out_irq;
++
++ retval = snd_at73c213_chip_init(chip);
++ if (retval)
++ goto out_irq;
++
++ retval = snd_at73c213_pcm_new(chip, 0);
++ if (retval)
++ goto out_irq;
++
++ retval = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
++ if (retval)
++ goto out_irq;
++
++ retval = snd_at73c213_mixer(chip);
++ if (retval)
++ goto out_snd_dev;
++
++ snd_card_set_dev(card, &spi->dev);
++
++ goto out;
++
++out_snd_dev:
++ snd_device_free(card, chip);
++out_irq:
++ free_irq(chip->irq, chip);
++ chip->irq = -1;
++out:
++ return retval;
+}
+
-+extern int register_dma_controller(struct dma_controller *dmac);
-+extern struct dma_controller *find_dma_controller(int id);
++static int snd_at73c213_probe(struct spi_device *spi)
++{
++ struct snd_card *card;
++ struct snd_at73c213 *chip;
++ struct at73c213_board_info *board;
++ int retval;
++ char id[16];
+
-+#endif /* __ASM_AVR32_DMA_CONTROLLER_H */
-diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/unaligned.h linux-avr32.git/include/asm-avr32/unaligned.h
---- linux-2.6.22.1/include/asm-avr32/unaligned.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/include/asm-avr32/unaligned.h 2007-07-12 14:00:26.000000000 +0200
-@@ -7,19 +7,10 @@
- * words, but halfwords must be halfword-aligned, and doublewords must
- * be word-aligned.
- *
-- * TODO: Make all this CPU-specific and optimize.
-+ * However, swapped word loads must be word-aligned so we can't
-+ * optimize word loads in general.
- */
-
--#include <linux/string.h>
--
--/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
--
--#define get_unaligned(ptr) \
-- ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
--
--#define put_unaligned(val, ptr) \
-- ({ __typeof__(*(ptr)) __tmp = (val); \
-- memmove((ptr), &__tmp, sizeof(*(ptr))); \
-- (void)0; })
-+#include <asm-generic/unaligned.h>
-
- #endif /* __ASM_AVR32_UNALIGNED_H */
-diff -x .git -Nur linux-2.6.22.1/include/linux/gpio_mouse.h linux-avr32.git/include/linux/gpio_mouse.h
---- linux-2.6.22.1/include/linux/gpio_mouse.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/include/linux/gpio_mouse.h 2007-07-13 11:24:16.000000000 +0200
-@@ -0,0 +1,61 @@
-+/*
-+ * Driver for simulating a mouse on GPIO lines.
-+ *
-+ * Copyright (C) 2007 Atmel Corporation
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
++ board = spi->dev.platform_data;
++ if (!board) {
++ dev_dbg(&spi->dev, "no platform_data\n");
++ return -ENXIO;
++ }
+
-+#ifndef _GPIO_MOUSE_H
-+#define _GPIO_MOUSE_H
++ if (!board->dac_clk) {
++ dev_dbg(&spi->dev, "no DAC clk\n");
++ return -ENXIO;
++ }
+
-+#define GPIO_MOUSE_POLARITY_ACT_HIGH 0x00
-+#define GPIO_MOUSE_POLARITY_ACT_LOW 0x01
++ if (IS_ERR(board->dac_clk)) {
++ dev_dbg(&spi->dev, "no DAC clk\n");
++ return PTR_ERR(board->dac_clk);
++ }
+
-+#define GPIO_MOUSE_PIN_UP 0
-+#define GPIO_MOUSE_PIN_DOWN 1
-+#define GPIO_MOUSE_PIN_LEFT 2
-+#define GPIO_MOUSE_PIN_RIGHT 3
-+#define GPIO_MOUSE_PIN_BLEFT 4
-+#define GPIO_MOUSE_PIN_BMIDDLE 5
-+#define GPIO_MOUSE_PIN_BRIGHT 6
-+#define GPIO_MOUSE_PIN_MAX 7
++ retval = -ENOMEM;
+
-+/**
-+ * struct gpio_mouse_platform_data
-+ * @scan_ms: integer in ms specifying the scan periode.
-+ * @polarity: Pin polarity, active high or low.
-+ * @up: GPIO line for up value.
-+ * @down: GPIO line for down value.
-+ * @left: GPIO line for left value.
-+ * @right: GPIO line for right value.
-+ * @bleft: GPIO line for left button.
-+ * @bmiddle: GPIO line for middle button.
-+ * @bright: GPIO line for right button.
-+ *
-+ * This struct must be added to the platform_device in the board code.
-+ * It is used by the gpio_mouse driver to setup GPIO lines and to
-+ * calculate mouse movement.
-+ */
-+struct gpio_mouse_platform_data {
-+ int scan_ms;
-+ int polarity;
++ /* Allocate "card" using some unused identifiers. */
++ snprintf(id, sizeof id, "at73c213_%d", board->ssc_id);
++ card = snd_card_new(-1, id, THIS_MODULE, sizeof(struct snd_at73c213));
++ if (!card)
++ goto out;
+
-+ union {
-+ struct {
-+ int up;
-+ int down;
-+ int left;
-+ int right;
-+
-+ int bleft;
-+ int bmiddle;
-+ int bright;
-+ };
-+ int pins[GPIO_MOUSE_PIN_MAX];
-+ };
-+};
++ chip = card->private_data;
++ chip->spi = spi;
++ chip->board = board;
+
-+#endif /* _GPIO_MOUSE_H */
-diff -x .git -Nur linux-2.6.22.1/include/linux/leds.h linux-avr32.git/include/linux/leds.h
---- linux-2.6.22.1/include/linux/leds.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/include/linux/leds.h 2007-07-12 14:00:30.000000000 +0200
-@@ -110,4 +110,18 @@
- #define ledtrig_ide_activity() do {} while(0)
- #endif
-
-+/* For the leds-gpio driver */
-+struct gpio_led {
-+ const char *name;
-+ char *default_trigger;
-+ unsigned gpio;
-+ u8 active_low;
-+};
++ chip->ssc = ssc_request(board->ssc_id);
++ if (IS_ERR(chip->ssc)) {
++ dev_dbg(&spi->dev, "could not get ssc%d device\n",
++ board->ssc_id);
++ retval = PTR_ERR(chip->ssc);
++ goto out_card;
++ }
+
-+struct gpio_led_platform_data {
-+ int num_leds;
-+ struct gpio_led *leds;
-+};
++ retval = snd_at73c213_dev_init(card, spi);
++ if (retval)
++ goto out_ssc;
+
++ strcpy(card->driver, "at73c213");
++ strcpy(card->shortname, board->shortname);
++ sprintf(card->longname, "%s on irq %d", card->shortname, chip->irq);
+
- #endif /* __LINUX_LEDS_H_INCLUDED */
-diff -x .git -Nur linux-2.6.22.1/include/linux/usb/gadgetfs.h linux-avr32.git/include/linux/usb/gadgetfs.h
---- linux-2.6.22.1/include/linux/usb/gadgetfs.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-avr32.git/include/linux/usb/gadgetfs.h 2007-07-12 14:00:31.000000000 +0200
-@@ -0,0 +1,81 @@
-+#ifndef __LINUX_USB_GADGETFS_H
-+#define __LINUX_USB_GADGETFS_H
++ retval = snd_card_register(card);
++ if (retval)
++ goto out_ssc;
+
-+#include <asm/types.h>
-+#include <asm/ioctl.h>
++ dev_set_drvdata(&spi->dev, card);
+
-+#include <linux/usb/ch9.h>
++ goto out;
+
-+/*
-+ * Filesystem based user-mode API to USB Gadget controller hardware
-+ *
-+ * Other than ep0 operations, most things are done by read() and write()
-+ * on endpoint files found in one directory. They are configured by
-+ * writing descriptors, and then may be used for normal stream style
-+ * i/o requests. When ep0 is configured, the device can enumerate;
-+ * when it's closed, the device disconnects from usb. Operations on
-+ * ep0 require ioctl() operations.
-+ *
-+ * Configuration and device descriptors get written to /dev/gadget/$CHIP,
-+ * which may then be used to read usb_gadgetfs_event structs. The driver
-+ * may activate endpoints as it handles SET_CONFIGURATION setup events,
-+ * or earlier; writing endpoint descriptors to /dev/gadget/$ENDPOINT
-+ * then performing data transfers by reading or writing.
-+ */
++out_ssc:
++ ssc_free(chip->ssc);
++out_card:
++ snd_card_free(card);
++out:
++ return retval;
++}
+
-+/*
-+ * Events are delivered on the ep0 file descriptor, when the user mode driver
-+ * reads from this file descriptor after writing the descriptors. Don't
-+ * stop polling this descriptor.
-+ */
++static int __devexit snd_at73c213_remove(struct spi_device *spi)
++{
++ struct snd_card *card = dev_get_drvdata(&spi->dev);
++ struct snd_at73c213 *chip = card->private_data;
++ int retval;
+
-+enum usb_gadgetfs_event_type {
-+ GADGETFS_NOP = 0,
++ /* Stop playback. */
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
+
-+ GADGETFS_CONNECT,
-+ GADGETFS_DISCONNECT,
-+ GADGETFS_SETUP,
-+ GADGETFS_SUSPEND,
-+ // and likely more !
-+};
++ /* Mute sound. */
++ retval = snd_at73c213_write_reg(chip, DAC_LMPG, 0x3f);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_RMPG, 0x3f);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_LLOG, 0x3f);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_RLOG, 0x3f);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_LLIG, 0x11);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_RLIG, 0x11);
++ if (retval)
++ goto out;
++ retval = snd_at73c213_write_reg(chip, DAC_AUXG, 0x11);
++ if (retval)
++ goto out;
+
-+/* NOTE: this structure must stay the same size and layout on
-+ * both 32-bit and 64-bit kernels.
-+ */
-+struct usb_gadgetfs_event {
-+ union {
-+ // NOP, DISCONNECT, SUSPEND: nothing
-+ // ... some hardware can't report disconnection
-+
-+ // CONNECT: just the speed
-+ enum usb_device_speed speed;
-+
-+ // SETUP: packet; DATA phase i/o precedes next event
-+ // (setup.bmRequestType & USB_DIR_IN) flags direction
-+ // ... includes SET_CONFIGURATION, SET_INTERFACE
-+ struct usb_ctrlrequest setup;
-+ } u;
-+ enum usb_gadgetfs_event_type type;
-+};
++ /* Turn off PA. */
++ retval = snd_at73c213_write_reg(chip, PA_CTRL, (chip->reg_image[PA_CTRL]|0x0f));
++ if (retval)
++ goto out;
++ msleep(10);
++ retval = snd_at73c213_write_reg(chip, PA_CTRL, (1<<PA_CTRL_APALP)|0x0f);
++ if (retval)
++ goto out;
+
++ /* Turn off external DAC. */
++ retval = snd_at73c213_write_reg(chip, DAC_CTRL, 0x0c);
++ if (retval)
++ goto out;
++ msleep(2);
++ retval = snd_at73c213_write_reg(chip, DAC_CTRL, 0x00);
++ if (retval)
++ goto out;
+
-+/* endpoint ioctls */
++ /* Turn off master power. */
++ retval = snd_at73c213_write_reg(chip, DAC_PRECH, 0x00);
++ if (retval)
++ goto out;
+
-+/* IN transfers may be reported to the gadget driver as complete
-+ * when the fifo is loaded, before the host reads the data;
-+ * OUT transfers may be reported to the host's "client" driver as
-+ * complete when they're sitting in the FIFO unread.
-+ * THIS returns how many bytes are "unclaimed" in the endpoint fifo
-+ * (needed for precise fault handling, when the hardware allows it)
-+ */
-+#define GADGETFS_FIFO_STATUS _IO('g',1)
++out:
++ /* Stop DAC master clock. */
++ clk_disable(chip->board->dac_clk);
+
-+/* discards any unclaimed data in the fifo. */
-+#define GADGETFS_FIFO_FLUSH _IO('g',2)
++ ssc_free(chip->ssc);
++ snd_card_free(card);
++ dev_set_drvdata(&spi->dev, NULL);
+
-+/* resets endpoint halt+toggle; used to implement set_interface.
-+ * some hardware (like pxa2xx) can't support this.
-+ */
-+#define GADGETFS_CLEAR_HALT _IO('g',3)
-+
-+#endif /* __LINUX_USB_GADGETFS_H */
-diff -x .git -Nur linux-2.6.22.1/include/linux/usb/Kbuild linux-avr32.git/include/linux/usb/Kbuild
---- linux-2.6.22.1/include/linux/usb/Kbuild 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/include/linux/usb/Kbuild 2007-07-12 14:00:31.000000000 +0200
-@@ -1,5 +1,6 @@
- unifdef-y += audio.h
- unifdef-y += cdc.h
- unifdef-y += ch9.h
-+unifdef-y += gadgetfs.h
- unifdef-y += midi.h
-
-diff -x .git -Nur linux-2.6.22.1/include/linux/usb_gadgetfs.h linux-avr32.git/include/linux/usb_gadgetfs.h
---- linux-2.6.22.1/include/linux/usb_gadgetfs.h 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/include/linux/usb_gadgetfs.h 1970-01-01 01:00:00.000000000 +0100
-@@ -1,75 +0,0 @@
--
--#include <asm/types.h>
--#include <asm/ioctl.h>
--
--#include <linux/usb/ch9.h>
--
--/*
-- * Filesystem based user-mode API to USB Gadget controller hardware
-- *
-- * Almost everything can be done with only read and write operations,
-- * on endpoint files found in one directory. They are configured by
-- * writing descriptors, and then may be used for normal stream style
-- * i/o requests. When ep0 is configured, the device can enumerate;
-- * when it's closed, the device disconnects from usb.
-- *
-- * Configuration and device descriptors get written to /dev/gadget/$CHIP,
-- * which may then be used to read usb_gadgetfs_event structs. The driver
-- * may activate endpoints as it handles SET_CONFIGURATION setup events,
-- * or earlier; writing endpoint descriptors to /dev/gadget/$ENDPOINT
-- * then performing data transfers by reading or writing.
-- */
--
--/*
-- * Events are delivered on the ep0 file descriptor, if the user mode driver
-- * reads from this file descriptor after writing the descriptors. Don't
-- * stop polling this descriptor, if you write that kind of driver.
-- */
--
--enum usb_gadgetfs_event_type {
-- GADGETFS_NOP = 0,
--
-- GADGETFS_CONNECT,
-- GADGETFS_DISCONNECT,
-- GADGETFS_SETUP,
-- GADGETFS_SUSPEND,
-- // and likely more !
--};
--
--struct usb_gadgetfs_event {
-- enum usb_gadgetfs_event_type type;
-- union {
-- // NOP, DISCONNECT, SUSPEND: nothing
-- // ... some hardware can't report disconnection
--
-- // CONNECT: just the speed
-- enum usb_device_speed speed;
--
-- // SETUP: packet; DATA phase i/o precedes next event
-- // (setup.bmRequestType & USB_DIR_IN) flags direction
-- // ... includes SET_CONFIGURATION, SET_INTERFACE
-- struct usb_ctrlrequest setup;
-- } u;
--};
--
--
--/* endpoint ioctls */
--
--/* IN transfers may be reported to the gadget driver as complete
-- * when the fifo is loaded, before the host reads the data;
-- * OUT transfers may be reported to the host's "client" driver as
-- * complete when they're sitting in the FIFO unread.
-- * THIS returns how many bytes are "unclaimed" in the endpoint fifo
-- * (needed for precise fault handling, when the hardware allows it)
-- */
--#define GADGETFS_FIFO_STATUS _IO('g',1)
--
--/* discards any unclaimed data in the fifo. */
--#define GADGETFS_FIFO_FLUSH _IO('g',2)
--
--/* resets endpoint halt+toggle; used to implement set_interface.
-- * some hardware (like pxa2xx) can't support this.
-- */
--#define GADGETFS_CLEAR_HALT _IO('g',3)
--
--
-diff -x .git -Nur linux-2.6.22.1/init/do_mounts.c linux-avr32.git/init/do_mounts.c
---- linux-2.6.22.1/init/do_mounts.c 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/init/do_mounts.c 2007-07-12 14:00:31.000000000 +0200
-@@ -25,6 +25,7 @@
- int root_mountflags = MS_RDONLY | MS_SILENT;
- char * __initdata root_device_name;
- static char __initdata saved_root_name[64];
-+int __initdata root_wait;
-
- dev_t ROOT_DEV;
-
-@@ -216,6 +217,14 @@
-
- __setup("root=", root_dev_setup);
-
-+static int __init rootwait_setup(char *line)
++ return 0;
++}
++
++#ifdef CONFIG_PM
++static int snd_at73c213_suspend(struct spi_device *spi, pm_message_t msg)
+{
-+ root_wait = simple_strtol(line,NULL,0);
-+ return 1;
++ struct snd_card *card = dev_get_drvdata(&spi->dev);
++ struct snd_at73c213 *chip = card->private_data;
++
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
++ clk_disable(chip->board->dac_clk);
++
++ return 0;
+}
+
-+__setup("rootwait=", rootwait_setup);
++static int snd_at73c213_resume(struct spi_device *spi)
++{
++ struct snd_card *card = dev_get_drvdata(&spi->dev);
++ struct snd_at73c213 *chip = card->private_data;
+
- static char * __initdata root_mount_data;
- static int __init root_data_setup(char *str)
- {
-@@ -438,11 +447,24 @@
- root_device_name += 5;
- }
-
-- is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR;
--
- if (initrd_load())
- goto out;
-
-+ /* wait for any asynchronous scanning to complete */
-+ if ((ROOT_DEV == 0) && root_wait) {
-+ printk(KERN_INFO "Waiting for root device %s...\n",
-+ saved_root_name);
-+ do {
-+ while (driver_probe_done() != 0)
-+ msleep(100);
-+ ROOT_DEV = name_to_dev_t(saved_root_name);
-+ if (ROOT_DEV == 0)
-+ msleep(100);
-+ } while (ROOT_DEV == 0);
-+ }
++ clk_enable(chip->board->dac_clk);
++ ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN));
+
-+ is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR;
++ return 0;
++}
++#else
++#define snd_at73c213_suspend NULL
++#define snd_at73c213_resume NULL
++#endif
+
- if (is_floppy && rd_doload && rd_load_disk(0))
- ROOT_DEV = Root_RAM0;
-
-diff -x .git -Nur linux-2.6.22.1/MAINTAINERS linux-avr32.git/MAINTAINERS
---- linux-2.6.22.1/MAINTAINERS 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/MAINTAINERS 2007-07-12 13:59:48.000000000 +0200
-@@ -674,6 +674,13 @@
- M: hskinnemoen@atmel.com
- S: Supported
-
-+ATMEL USBA UDC DRIVER
-+P: Haavard Skinnemoen
-+M: hskinnemoen@atmel.com
-+L: kernel@avr32linux.org
-+W: http://avr32linux.org/twiki/bin/view/Main/AtmelUsbDeviceDriver
-+S: Supported
++static struct spi_driver at73c213_driver = {
++ .driver = {
++ .name = "at73c213",
++ },
++ .probe = snd_at73c213_probe,
++ .suspend = snd_at73c213_suspend,
++ .resume = snd_at73c213_resume,
++ .remove = __devexit_p(snd_at73c213_remove),
++};
+
- ATMEL WIRELESS DRIVER
- P: Simon Kelley
- M: simon@thekelleys.org.uk
-diff -x .git -Nur linux-2.6.22.1/scripts/checkstack.pl linux-avr32.git/scripts/checkstack.pl
---- linux-2.6.22.1/scripts/checkstack.pl 2007-07-10 20:56:30.000000000 +0200
-+++ linux-avr32.git/scripts/checkstack.pl 2007-06-06 11:34:14.000000000 +0200
-@@ -12,6 +12,7 @@
- # sh64 port by Paul Mundt
- # Random bits by Matt Mackall <mpm@selenic.com>
- # M68k port by Geert Uytterhoeven and Andreas Schwab
-+# AVR32 port by Haavard Skinnemoen <hskinnemoen@atmel.com>
- #
- # Usage:
- # objdump -d vmlinux | stackcheck.pl [arch]
-@@ -37,6 +38,10 @@
- if ($arch eq 'arm') {
- #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64
- $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
-+ } elsif ($arch eq 'avr32') {
-+ #8000008a: 20 1d sub sp,4
-+ #80000ca8: fa cd 05 b0 sub sp,sp,1456
-+ $re = qr/^.*sub.*sp.*,([0-9]{1,8})/o;
- } elsif ($arch =~ /^i[3456]86$/) {
- #c0105234: 81 ec ac 05 00 00 sub $0x5ac,%esp
- $re = qr/^.*[as][du][db] \$(0x$x{1,8}),\%esp$/o;
++static int __init at73c213_init(void)
++{
++ return spi_register_driver(&at73c213_driver);
++}
++module_init(at73c213_init);
++
++static void __exit at73c213_exit(void)
++{
++ spi_unregister_driver(&at73c213_driver);
++}
++module_exit(at73c213_exit);
++
++MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
++MODULE_DESCRIPTION("Sound driver for AT73C213 with Atmel SSC");
++MODULE_LICENSE("GPL");
+diff --git a/sound/spi/at73c213.h b/sound/spi/at73c213.h
+new file mode 100644
+index 0000000..fd8b372
+--- /dev/null
++++ b/sound/spi/at73c213.h
+@@ -0,0 +1,119 @@
++/*
++ * Driver for the AT73C213 16-bit stereo DAC on Atmel ATSTK1000
++ *
++ * Copyright (C) 2006 - 2007 Atmel Corporation
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License as
++ * published by the Free Software Foundation; either version 2 of the
++ * License, or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful, but
++ * WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ * General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
++ * 02111-1307, USA.
++ *
++ * The full GNU General Public License is included in this
++ * distribution in the file called COPYING.
++ */
++
++#ifndef _SND_AT73C213_H
++#define _SND_AT73C213_H
++
++/* DAC control register */
++#define DAC_CTRL 0x00
++#define DAC_CTRL_ONPADRV 7
++#define DAC_CTRL_ONAUXIN 6
++#define DAC_CTRL_ONDACR 5
++#define DAC_CTRL_ONDACL 4
++#define DAC_CTRL_ONLNOR 3
++#define DAC_CTRL_ONLNOL 2
++#define DAC_CTRL_ONLNIR 1
++#define DAC_CTRL_ONLNIL 0
++
++/* DAC left line in gain register */
++#define DAC_LLIG 0x01
++#define DAC_LLIG_LLIG 0
++
++/* DAC right line in gain register */
++#define DAC_RLIG 0x02
++#define DAC_RLIG_RLIG 0
++
++/* DAC Left Master Playback Gain Register */
++#define DAC_LMPG 0x03
++#define DAC_LMPG_LMPG 0
++
++/* DAC Right Master Playback Gain Register */
++#define DAC_RMPG 0x04
++#define DAC_RMPG_RMPG 0
++
++/* DAC Left Line Out Gain Register */
++#define DAC_LLOG 0x05
++#define DAC_LLOG_LLOG 0
++
++/* DAC Right Line Out Gain Register */
++#define DAC_RLOG 0x06
++#define DAC_RLOG_RLOG 0
++
++/* DAC Output Level Control Register */
++#define DAC_OLC 0x07
++#define DAC_OLC_RSHORT 7
++#define DAC_OLC_ROLC 4
++#define DAC_OLC_LSHORT 3
++#define DAC_OLC_LOLC 0
++
++/* DAC Mixer Control Register */
++#define DAC_MC 0x08
++#define DAC_MC_INVR 5
++#define DAC_MC_INVL 4
++#define DAC_MC_RMSMIN2 3
++#define DAC_MC_RMSMIN1 2
++#define DAC_MC_LMSMIN2 1
++#define DAC_MC_LMSMIN1 0
++
++/* DAC Clock and Sampling Frequency Control Register */
++#define DAC_CSFC 0x09
++#define DAC_CSFC_OVRSEL 4
++
++/* DAC Miscellaneous Register */
++#define DAC_MISC 0x0A
++#define DAC_MISC_VCMCAPSEL 7
++#define DAC_MISC_DINTSEL 4
++#define DAC_MISC_DITHEN 3
++#define DAC_MISC_DEEMPEN 2
++#define DAC_MISC_NBITS 0
++
++/* DAC Precharge Control Register */
++#define DAC_PRECH 0x0C
++#define DAC_PRECH_PRCHGPDRV 7
++#define DAC_PRECH_PRCHGAUX1 6
++#define DAC_PRECH_PRCHGLNOR 5
++#define DAC_PRECH_PRCHGLNOL 4
++#define DAC_PRECH_PRCHGLNIR 3
++#define DAC_PRECH_PRCHGLNIL 2
++#define DAC_PRECH_PRCHG 1
++#define DAC_PRECH_ONMSTR 0
++
++/* DAC Auxiliary Input Gain Control Register */
++#define DAC_AUXG 0x0D
++#define DAC_AUXG_AUXG 0
++
++/* DAC Reset Register */
++#define DAC_RST 0x10
++#define DAC_RST_RESMASK 2
++#define DAC_RST_RESFILZ 1
++#define DAC_RST_RSTZ 0
++
++/* Power Amplifier Control Register */
++#define PA_CTRL 0x11
++#define PA_CTRL_APAON 6
++#define PA_CTRL_APAPRECH 5
++#define PA_CTRL_APALP 4
++#define PA_CTRL_APAGAIN 0
++
++#endif /* _SND_AT73C213_H */
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