diff options
Diffstat (limited to 'target/linux/ifxmips/files/drivers')
| -rw-r--r-- | target/linux/ifxmips/files/drivers/char/ifxmips_led.c | 93 |
1 files changed, 30 insertions, 63 deletions
diff --git a/target/linux/ifxmips/files/drivers/char/ifxmips_led.c b/target/linux/ifxmips/files/drivers/char/ifxmips_led.c index 15c173b08..0e87fd2c4 100644 --- a/target/linux/ifxmips/files/drivers/char/ifxmips_led.c +++ b/target/linux/ifxmips/files/drivers/char/ifxmips_led.c @@ -31,8 +31,10 @@ #include <asm/ifxmips/ifxmips.h> #include <asm/ifxmips/ifxmips_gpio.h> #include <asm/ifxmips/ifxmips_pmu.h> +#include <linux/leds.h> +#include <linux/delay.h> -#define DRVNAME "ifxmips_led" +#define DRVNAME "ifxmips_led" #define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_FALLING //#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_RISING @@ -41,7 +43,12 @@ #define IFXMIPS_LED_GPIO_PORT 0 -static int ifxmips_led_major; +#define IFXMIPS_MAX_LED 24 + +struct ifxmips_led { + struct led_classdev cdev; + u8 bit; +}; void ifxmips_led_set (unsigned int led) @@ -76,6 +83,17 @@ ifxmips_led_blink_clear (unsigned int led) EXPORT_SYMBOL(ifxmips_led_blink_clear); 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); + + if(value) + ifxmips_led_set(1 << led_dev->bit); + else + ifxmips_led_clear(1 << led_dev->bit); +} + +void ifxmips_led_setup_gpio (void) { int i = 0; @@ -91,40 +109,9 @@ ifxmips_led_setup_gpio (void) } static int -led_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - int ret = -EINVAL; - - switch ( cmd ) - { - } - - return ret; -} - -static int -led_open (struct inode *inode, struct file *file) -{ - return 0; -} - -static int -led_release (struct inode *inode, struct file *file) -{ - return 0; -} - -static struct file_operations ifxmips_led_fops = { - .owner = THIS_MODULE, - .ioctl = led_ioctl, - .open = led_open, - .release = led_release -}; - -static int ifxmips_led_probe(struct platform_device *dev) { - int ret = 0; + int i = 0; ifxmips_led_setup_gpio(); @@ -155,26 +142,23 @@ ifxmips_led_probe(struct platform_device *dev) /* per default, the leds are turned on */ ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_LED); - ifxmips_led_major = register_chrdev(0, "ifxmips_led", &ifxmips_led_fops); - - if (!ifxmips_led_major) + for(i = 0; i < IFXMIPS_MAX_LED; i++) { - printk("ifxmips_led: Error! Could not register device. %d\n", ifxmips_led_major); - ret = -EINVAL; - - goto out; + 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(tmp->cdev.name, "ifxmips:led:%02d", i); + tmp->cdev.default_trigger = NULL; + tmp->bit = i; + led_classdev_register(&dev->dev, &tmp->cdev); } - printk(KERN_INFO "ifxmips_led: device successfully initialized #%d.\n", ifxmips_led_major); - -out: - return ret; + return 0; } static int ifxmips_led_remove(struct platform_device *pdev) { - unregister_chrdev(ifxmips_led_major, "ifxmips_led"); return 0; } @@ -188,23 +172,6 @@ platform_driver ifxmips_led_driver = { }, }; -/* -Map for LED on reference board - WLAN_READ LED11 OUT1 15 - WARNING LED12 OUT2 14 - FXS1_LINK LED13 OUT3 13 - FXS2_LINK LED14 OUT4 12 - FXO_ACT LED15 OUT5 11 - USB_LINK LED16 OUT6 10 - ADSL2_LINK LED19 OUT7 9 - BT_LINK LED17 OUT8 8 - SD_LINK LED20 OUT9 7 - ADSL2_TRAFFIC LED31 OUT16 0 -Map for hardware relay on reference board - USB Power On OUT11 5 - RELAY OUT12 4 -*/ - int __init ifxmips_led_init (void) { |