--- /dev/null
+Index: linux-2.6.25.4/drivers/leds/Kconfig
+===================================================================
+--- linux-2.6.25.4.orig/drivers/leds/Kconfig
++++ linux-2.6.25.4/drivers/leds/Kconfig
+@@ -125,6 +125,12 @@ config LEDS_GPIO
+ outputs. To be useful the particular board must have LEDs
+ and they must be connected to the GPIO lines.
+
++config LEDS_LATCH
++ tristate "LED Support for Memory Latched LEDs"
++ depends on LEDS_CLASS
++ help
++ -- To Do --
++
+ config LEDS_CM_X270
+ tristate "LED Support for the CM-X270 LEDs"
+ depends on LEDS_CLASS && MACH_ARMCORE
+Index: linux-2.6.25.4/drivers/leds/leds-latch.c
+===================================================================
+--- /dev/null
++++ linux-2.6.25.4/drivers/leds/leds-latch.c
+@@ -0,0 +1,141 @@
++/*
++ * LEDs driver for Memory Latched Devices
++ *
++ * Copyright (C) 2008 Gateworks Corp.
++ * Chris Lang <clang@gateworks.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/io.h>
++#include <linux/spinlock.h>
++
++static unsigned int mem_keep = 0xFF;
++static spinlock_t mem_lock;
++static unsigned char *iobase;
++
++struct latch_led_data {
++ struct led_classdev cdev;
++ struct work_struct work;
++ u8 new_level;
++ u8 bit;
++};
++
++static void latch_led_set(struct led_classdev *led_cdev,
++ enum led_brightness value)
++{
++ struct latch_led_data *led_dat =
++ container_of(led_cdev, struct latch_led_data, cdev);
++
++ spin_lock(mem_lock);
++
++ if (value == LED_OFF)
++ mem_keep |= (0x1 << led_dat->bit);
++ else
++ mem_keep &= ~(0x1 << led_dat->bit);
++
++ writeb(mem_keep, iobase);
++
++ spin_unlock(mem_lock);
++}
++
++static int latch_led_probe(struct platform_device *pdev)
++{
++ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
++ struct latch_led *cur_led;
++ struct latch_led_data *leds_data, *led_dat;
++ int i, ret = 0;
++
++ if (!pdata)
++ return -EBUSY;
++
++ leds_data = kzalloc(sizeof(struct latch_led_data) * pdata->num_leds,
++ GFP_KERNEL);
++ if (!leds_data)
++ return -ENOMEM;
++
++ iobase = ioremap_nocache(pdata->mem, 0x1000);
++ writeb(0xFF, iobase);
++
++ 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->cdev.brightness_set = latch_led_set;
++ led_dat->cdev.brightness = LED_OFF;
++ led_dat->bit = cur_led->bit;
++
++ ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
++ if (ret < 0) {
++ goto err;
++ }
++ }
++
++ 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);
++ }
++ }
++
++ kfree(leds_data);
++
++ return ret;
++}
++
++static int __devexit latch_led_remove(struct platform_device *pdev)
++{
++ int i;
++ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
++ struct latch_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);
++ cancel_work_sync(&leds_data[i].work);
++ }
++
++ kfree(leds_data);
++
++ return 0;
++}
++
++static struct platform_driver latch_led_driver = {
++ .probe = latch_led_probe,
++ .remove = __devexit_p(latch_led_remove),
++ .driver = {
++ .name = "leds-latch",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init latch_led_init(void)
++{
++ return platform_driver_register(&latch_led_driver);
++}
++
++static void __exit latch_led_exit(void)
++{
++ platform_driver_unregister(&latch_led_driver);
++}
++
++module_init(latch_led_init);
++module_exit(latch_led_exit);
++
++MODULE_AUTHOR("Chris Lang <clang@gateworks.com>");
++MODULE_DESCRIPTION("Latch LED driver");
++MODULE_LICENSE("GPL");
+Index: linux-2.6.25.4/drivers/leds/Makefile
+===================================================================
+--- linux-2.6.25.4.orig/drivers/leds/Makefile
++++ linux-2.6.25.4/drivers/leds/Makefile
+@@ -19,6 +19,7 @@ obj-$(CONFIG_LEDS_H1940) += leds-h1940.
+ obj-$(CONFIG_LEDS_COBALT_QUBE) += leds-cobalt-qube.o
+ obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o
+ obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
++obj-$(CONFIG_LEDS_LATCH) += leds-latch.o
+ obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o
+ obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o
+ obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o
+Index: linux-2.6.25.4/include/linux/leds.h
+===================================================================
+--- linux-2.6.25.4.orig/include/linux/leds.h
++++ linux-2.6.25.4/include/linux/leds.h
+@@ -136,5 +136,18 @@ struct gpio_led_platform_data {
+ struct gpio_led *leds;
+ };
+
++/* For the leds-latch driver */
++struct latch_led {
++ const char *name;
++ char *default_trigger;
++ unsigned bit;
++};
++
++struct latch_led_platform_data {
++ int num_leds;
++ u32 mem;
++ struct latch_led *leds;
++};
++
+
+ #endif /* __LINUX_LEDS_H_INCLUDED */
-diff -ruN clean/linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c
---- clean/linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c 2008-05-20 09:18:21.000000000 -0700
-+++ linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c 2008-05-20 09:31:55.000000000 -0700
+Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c
+===================================================================
+--- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/avila-setup.c
++++ linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c
@@ -26,6 +26,7 @@
# include <linux/eeprom.h>
#endif
#include <linux/i2c-gpio.h>
#include <asm/types.h>
-@@ -172,6 +173,72 @@
+@@ -172,6 +173,72 @@ static struct platform_device avila_npec
.dev.platform_data = &avila_npec_data,
};
static struct platform_device *avila_devices[] __initdata = {
&avila_i2c_gpio,
&avila_flash,
-@@ -182,6 +249,8 @@
+@@ -182,6 +249,8 @@ static void __init avila_gw23xx_setup(vo
{
platform_device_register(&avila_npeb_device);
platform_device_register(&avila_npec_device);
}
#ifdef CONFIG_SENSORS_EEPROM
-@@ -189,6 +258,8 @@
+@@ -189,6 +258,8 @@ static void __init avila_gw2342_setup(vo
{
platform_device_register(&avila_npeb_device);
platform_device_register(&avila_npec_device);
}
static void __init avila_gw2345_setup(void)
-@@ -199,22 +270,30 @@
+@@ -199,22 +270,30 @@ static void __init avila_gw2345_setup(vo
avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
platform_device_register(&avila_npec_device);
}
static void __init avila_gw2355_setup(void)
-@@ -225,11 +304,29 @@
+@@ -225,11 +304,29 @@ static void __init avila_gw2355_setup(vo
avila_npec_data.phy = 16;
platform_device_register(&avila_npec_device);
}
static struct avila_board_info avila_boards[] __initdata = {
-diff -ruN clean/linux-2.6.25.4/drivers/leds/Kconfig linux-2.6.25.4/drivers/leds/Kconfig
---- clean/linux-2.6.25.4/drivers/leds/Kconfig 2008-05-15 08:00:12.000000000 -0700
-+++ linux-2.6.25.4/drivers/leds/Kconfig 2008-05-20 09:25:15.000000000 -0700
-@@ -113,6 +113,12 @@
- outputs. To be useful the particular board must have LEDs
- and they must be connected to the GPIO lines.
-
-+config LEDS_LATCH
-+ tristate "LED Support for Memory Latched LEDs"
-+ depends on LEDS_CLASS
-+ help
-+ -- To Do --
-+
- config LEDS_CM_X270
- tristate "LED Support for the CM-X270 LEDs"
- depends on LEDS_CLASS && MACH_ARMCORE
-diff -ruN clean/linux-2.6.25.4/drivers/leds/leds-latch.c linux-2.6.25.4/drivers/leds/leds-latch.c
---- clean/linux-2.6.25.4/drivers/leds/leds-latch.c 1969-12-31 16:00:00.000000000 -0800
-+++ linux-2.6.25.4/drivers/leds/leds-latch.c 2008-04-30 14:03:21.000000000 -0700
-@@ -0,0 +1,141 @@
-+/*
-+ * LEDs driver for Memory Latched Devices
-+ *
-+ * Copyright (C) 2008 Gateworks Corp.
-+ * Chris Lang <clang@gateworks.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/io.h>
-+#include <linux/spinlock.h>
-+
-+static unsigned int mem_keep = 0xFF;
-+static spinlock_t mem_lock;
-+static unsigned char *iobase;
-+
-+struct latch_led_data {
-+ struct led_classdev cdev;
-+ struct work_struct work;
-+ u8 new_level;
-+ u8 bit;
-+};
-+
-+static void latch_led_set(struct led_classdev *led_cdev,
-+ enum led_brightness value)
-+{
-+ struct latch_led_data *led_dat =
-+ container_of(led_cdev, struct latch_led_data, cdev);
-+
-+ spin_lock(mem_lock);
-+
-+ if (value == LED_OFF)
-+ mem_keep |= (0x1 << led_dat->bit);
-+ else
-+ mem_keep &= ~(0x1 << led_dat->bit);
-+
-+ writeb(mem_keep, iobase);
-+
-+ spin_unlock(mem_lock);
-+}
-+
-+static int latch_led_probe(struct platform_device *pdev)
-+{
-+ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
-+ struct latch_led *cur_led;
-+ struct latch_led_data *leds_data, *led_dat;
-+ int i, ret = 0;
-+
-+ if (!pdata)
-+ return -EBUSY;
-+
-+ leds_data = kzalloc(sizeof(struct latch_led_data) * pdata->num_leds,
-+ GFP_KERNEL);
-+ if (!leds_data)
-+ return -ENOMEM;
-+
-+ iobase = ioremap_nocache(pdata->mem, 0x1000);
-+ writeb(0xFF, iobase);
-+
-+ 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->cdev.brightness_set = latch_led_set;
-+ led_dat->cdev.brightness = LED_OFF;
-+ led_dat->bit = cur_led->bit;
-+
-+ ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
-+ if (ret < 0) {
-+ goto err;
-+ }
-+ }
-+
-+ 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);
-+ }
-+ }
-+
-+ kfree(leds_data);
-+
-+ return ret;
-+}
-+
-+static int __devexit latch_led_remove(struct platform_device *pdev)
-+{
-+ int i;
-+ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
-+ struct latch_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);
-+ cancel_work_sync(&leds_data[i].work);
-+ }
-+
-+ kfree(leds_data);
-+
-+ return 0;
-+}
-+
-+static struct platform_driver latch_led_driver = {
-+ .probe = latch_led_probe,
-+ .remove = __devexit_p(latch_led_remove),
-+ .driver = {
-+ .name = "leds-latch",
-+ .owner = THIS_MODULE,
-+ },
-+};
-+
-+static int __init latch_led_init(void)
-+{
-+ return platform_driver_register(&latch_led_driver);
-+}
-+
-+static void __exit latch_led_exit(void)
-+{
-+ platform_driver_unregister(&latch_led_driver);
-+}
-+
-+module_init(latch_led_init);
-+module_exit(latch_led_exit);
-+
-+MODULE_AUTHOR("Chris Lang <clang@gateworks.com>");
-+MODULE_DESCRIPTION("Latch LED driver");
-+MODULE_LICENSE("GPL");
-diff -ruN clean/linux-2.6.25.4/drivers/leds/Makefile linux-2.6.25.4/drivers/leds/Makefile
---- clean/linux-2.6.25.4/drivers/leds/Makefile 2008-05-15 08:00:12.000000000 -0700
-+++ linux-2.6.25.4/drivers/leds/Makefile 2008-05-20 09:26:14.000000000 -0700
-@@ -18,6 +18,7 @@
- obj-$(CONFIG_LEDS_COBALT_QUBE) += leds-cobalt-qube.o
- obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o
- obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
-+obj-$(CONFIG_LEDS_LATCH) += leds-latch.o
- obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o
- obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o
- obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o
-diff -ruN clean/linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h
---- clean/linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h 2008-05-15 08:00:12.000000000 -0700
-+++ linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h 2008-05-20 09:22:28.000000000 -0700
+Index: linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h
+===================================================================
+--- linux-2.6.25.4.orig/include/asm-arm/arch-ixp4xx/avila.h
++++ linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h
@@ -36,4 +36,6 @@
#define AVILA_PCI_INTC_PIN 9
#define AVILA_PCI_INTD_PIN 8
+/* User LEDs */
+#define AVILA_GW23XX_LED_USER_GPIO 3
+#define AVILA_GW23X7_LED_USER_GPIO 4
-diff -ruN clean/linux-2.6.25.4/include/linux/leds.h linux-2.6.25.4/include/linux/leds.h
---- clean/linux-2.6.25.4/include/linux/leds.h 2008-05-15 08:00:12.000000000 -0700
-+++ linux-2.6.25.4/include/linux/leds.h 2008-05-20 09:32:35.000000000 -0700
-@@ -136,5 +136,18 @@
- struct gpio_led *leds;
- };
-
-+/* For the leds-latch driver */
-+struct latch_led {
-+ const char *name;
-+ char *default_trigger;
-+ unsigned bit;
-+};
-+
-+struct latch_led_platform_data {
-+ int num_leds;
-+ u32 mem;
-+ struct latch_led *leds;
-+};
-+
-
- #endif /* __LINUX_LEDS_H_INCLUDED */
projects / openwrt.git / commitdiff