diff options
Diffstat (limited to 'target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c')
| -rw-r--r-- | target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c | 56 |
1 files changed, 35 insertions, 21 deletions
diff --git a/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c b/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c index 7efc03270..04e4ef8d0 100644 --- 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> * */ @@ -37,8 +37,11 @@ #define DRVNAME "ifxmips_led" +#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 @@ -51,45 +54,47 @@ 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; @@ -115,28 +120,36 @@ 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 +175,17 @@ 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); } |