ifxmips: move header files, split up patches, rename some files

[openwrt.git] / target / linux / ifxmips / files / drivers / leds / leds-ifxmips.c

diff --git a/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c b/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c
index 7efc032..3123d82 100644 (file)
--- a/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c
+++ b/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c
@@ -14,7 +14,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
  *   Copyright (C) 2006 infineon
- *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *   Copyright (C) 2007 John Crispin <blogic@openwrt.org>
  *
  */
 
@@ -31,14 +31,18 @@
 #include <linux/leds.h>
 #include <linux/delay.h>
 
-#include <asm/ifxmips/ifxmips.h>
-#include <asm/ifxmips/ifxmips_gpio.h>
-#include <asm/ifxmips/ifxmips_pmu.h>
+#include <ifxmips.h>
+#include <ifxmips_gpio.h>
+#include <ifxmips_pmu.h>
 
 #define DRVNAME                                        "ifxmips_led"
 
+/* might need to be changed depending on shift register used on the pcb */
+#if 1
 #define IFXMIPS_LED_CLK_EDGE                   IFXMIPS_LED_FALLING
-//#define IFXMIPS_LED_CLK_EDGE                 IFXMIPS_LED_RISING
+#else
+#define IFXMIPS_LED_CLK_EDGE                   IFXMIPS_LED_RISING
+#endif
 
 #define IFXMIPS_LED_SPEED                      IFXMIPS_LED_8HZ
 
@@ -51,49 +55,52 @@ struct ifxmips_led {
        u8 bit;
 };
 
-void ifxmips_led_set (unsigned int led)
+void ifxmips_led_set(unsigned int led)
 {
        led &= 0xffffff;
        ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) | led, IFXMIPS_LED_CPU0);
 }
 EXPORT_SYMBOL(ifxmips_led_set);
 
-void ifxmips_led_clear (unsigned int led)
+void ifxmips_led_clear(unsigned int led)
 {
        led = ~(led & 0xffffff);
        ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) & led, IFXMIPS_LED_CPU0);
 }
 EXPORT_SYMBOL(ifxmips_led_clear);
 
-void ifxmips_led_blink_set (unsigned int led)
+void ifxmips_led_blink_set(unsigned int led)
 {
        led &= 0xffffff;
        ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | led, IFXMIPS_LED_CON0);
 }
 EXPORT_SYMBOL(ifxmips_led_blink_set);
 
-void ifxmips_led_blink_clear (unsigned int led)
+void ifxmips_led_blink_clear(unsigned int led)
 {
        led = ~(led & 0xffffff);
        ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & led, IFXMIPS_LED_CON0);
 }
 EXPORT_SYMBOL(ifxmips_led_blink_clear);
 
-void ifxmips_ledapi_set(struct led_classdev *led_cdev, enum led_brightness value)
+static void ifxmips_ledapi_set(struct led_classdev *led_cdev,
+       enum led_brightness value)
 {
-       struct ifxmips_led *led_dev = container_of(led_cdev, struct ifxmips_led, cdev);
+       struct ifxmips_led *led_dev =
+               container_of(led_cdev, struct ifxmips_led, cdev);
 
-       if(value)
+       if (value)
                ifxmips_led_set(1 << led_dev->bit);
        else
                ifxmips_led_clear(1 << led_dev->bit);
 }
 
-void ifxmips_led_setup_gpio (void)
+void ifxmips_led_setup_gpio(void)
 {
        int i = 0;
 
-       /* we need to setup pins SH,D,ST (4,5,6) */
+       /* leds are controlled via a shift register
+          we need to setup pins SH,D,ST (4,5,6) to make it work */
        for (i = 4; i < 7; i++) {
                ifxmips_port_set_altsel0(IFXMIPS_LED_GPIO_PORT, i);
                ifxmips_port_clear_altsel1(IFXMIPS_LED_GPIO_PORT, i);
@@ -115,28 +122,36 @@ static int ifxmips_led_probe(struct platform_device *dev)
        ifxmips_w32(0, IFXMIPS_LED_CON1);
 
        /* setup the clock edge that the shift register is triggered on */
-       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & ~IFXMIPS_LED_EDGE_MASK, IFXMIPS_LED_CON0);
-       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_CLK_EDGE, IFXMIPS_LED_CON0);
+       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & ~IFXMIPS_LED_EDGE_MASK,
+               IFXMIPS_LED_CON0);
+       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_CLK_EDGE,
+               IFXMIPS_LED_CON0);
 
        /* per default leds 15-0 are set */
        ifxmips_w32(IFXMIPS_LED_GROUP1 | IFXMIPS_LED_GROUP0, IFXMIPS_LED_CON1);
 
        /* leds are update periodically by the FPID */
-       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_UPD_MASK, IFXMIPS_LED_CON1);
-       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_UPD_SRC_FPI, IFXMIPS_LED_CON1);
+       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_UPD_MASK,
+               IFXMIPS_LED_CON1);
+       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_UPD_SRC_FPI,
+               IFXMIPS_LED_CON1);
 
        /* set led update speed */
-       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_MASK, IFXMIPS_LED_CON1);
-       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_SPEED, IFXMIPS_LED_CON1);
+       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_MASK,
+               IFXMIPS_LED_CON1);
+       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_SPEED,
+               IFXMIPS_LED_CON1);
 
        /* adsl 0 and 1 leds are updated by the arc */
-       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_ADSL_SRC, IFXMIPS_LED_CON0);
+       ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_ADSL_SRC,
+               IFXMIPS_LED_CON0);
 
        /* per default, the leds are turned on */
        ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_LED);
 
        for (i = 0; i < IFXMIPS_MAX_LED; i++) {
-               struct ifxmips_led *tmp = kzalloc(sizeof(struct ifxmips_led), GFP_KERNEL);
+               struct ifxmips_led *tmp =
+                       kzalloc(sizeof(struct ifxmips_led), GFP_KERNEL);
                tmp->cdev.brightness_set = ifxmips_ledapi_set;
                tmp->cdev.name = kmalloc(sizeof("ifxmips:led:00"), GFP_KERNEL);
                sprintf((char *)tmp->cdev.name, "ifxmips:led:%02d", i);
@@ -162,16 +177,17 @@ static struct platform_driver ifxmips_led_driver = {
        },
 };
 
-int __init ifxmips_led_init (void)
+int __init ifxmips_led_init(void)
 {
        int ret = platform_driver_register(&ifxmips_led_driver);
        if (ret)
-               printk(KERN_INFO "ifxmips_led: Error registering platfom driver!");
+               printk(KERN_INFO
+                       "ifxmips_led: Error registering platfom driver!");
 
        return ret;
 }
 
-void __exit ifxmips_led_exit (void)
+void __exit ifxmips_led_exit(void)
 {
        platform_driver_unregister(&ifxmips_led_driver);
 }