diff options
| -rw-r--r-- | arch/arm/mach-s3c2410/h1940-bluetooth.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2410/include/mach/h1940.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2410/mach-h1940.c | 93 |
3 files changed, 101 insertions, 3 deletions
diff --git a/arch/arm/mach-s3c2410/h1940-bluetooth.c b/arch/arm/mach-s3c2410/h1940-bluetooth.c index 6c59ef5f8e9..2c126bbca08 100644 --- a/arch/arm/mach-s3c2410/h1940-bluetooth.c +++ b/arch/arm/mach-s3c2410/h1940-bluetooth.c @@ -18,12 +18,14 @@ #include <linux/leds.h> #include <linux/gpio.h> #include <linux/rfkill.h> +#include <linux/leds.h> #include <mach/regs-gpio.h> #include <mach/hardware.h> #include <mach/h1940-latch.h> +#include <mach/h1940.h> -#define DRV_NAME "h1940-bt" +#define DRV_NAME "h1940-bt" /* Bluetooth control */ static void h1940bt_enable(int on) @@ -37,6 +39,8 @@ static void h1940bt_enable(int on) gpio_set_value(S3C2410_GPH(1), 1); mdelay(10); gpio_set_value(S3C2410_GPH(1), 0); + + h1940_led_blink_set(-EINVAL, GPIO_LED_BLINK, NULL, NULL); } else { gpio_set_value(S3C2410_GPH(1), 1); @@ -44,6 +48,8 @@ static void h1940bt_enable(int on) gpio_set_value(S3C2410_GPH(1), 0); mdelay(10); gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 0); + + h1940_led_blink_set(-EINVAL, GPIO_LED_NO_BLINK_LOW, NULL, NULL); } } diff --git a/arch/arm/mach-s3c2410/include/mach/h1940.h b/arch/arm/mach-s3c2410/include/mach/h1940.h index 4559784129c..2aa683c8d3d 100644 --- a/arch/arm/mach-s3c2410/include/mach/h1940.h +++ b/arch/arm/mach-s3c2410/include/mach/h1940.h @@ -17,5 +17,8 @@ #define H1940_SUSPEND_CHECK (0x30080000) extern void h1940_pm_return(void); +extern int h1940_led_blink_set(unsigned gpio, int state, + unsigned long *delay_on, unsigned long *delay_off); + #endif /* __ASM_ARCH_H1940_H */ diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c index 07564404fb8..36cdb721087 100644 --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -27,6 +27,8 @@ #include <linux/gpio_keys.h> #include <linux/pwm_backlight.h> #include <linux/i2c.h> +#include <linux/leds.h> + #include <video/platform_lcd.h> #include <linux/mmc/host.h> @@ -216,9 +218,87 @@ static struct s3c2410fb_mach_info h1940_fb_info __initdata = { .gpdup_mask= 0xffffffff, }; +DEFINE_SPINLOCK(h1940_blink_spin); + +int h1940_led_blink_set(unsigned gpio, int state, + unsigned long *delay_on, unsigned long *delay_off) +{ + int blink_gpio, check_gpio1, check_gpio2; + + switch (gpio) { + case H1940_LATCH_LED_GREEN: + blink_gpio = S3C2410_GPA(7); + check_gpio1 = S3C2410_GPA(1); + check_gpio2 = S3C2410_GPA(3); + break; + case H1940_LATCH_LED_RED: + blink_gpio = S3C2410_GPA(1); + check_gpio1 = S3C2410_GPA(7); + check_gpio2 = S3C2410_GPA(3); + break; + default: + blink_gpio = S3C2410_GPA(3); + check_gpio1 = S3C2410_GPA(1); + check_gpio1 = S3C2410_GPA(7); + break; + } + + if (delay_on && delay_off && !*delay_on && !*delay_off) + *delay_on = *delay_off = 500; + + spin_lock(&h1940_blink_spin); + + switch (state) { + case GPIO_LED_NO_BLINK_LOW: + case GPIO_LED_NO_BLINK_HIGH: + if (!gpio_get_value(check_gpio1) && + !gpio_get_value(check_gpio2)) + gpio_set_value(H1940_LATCH_LED_FLASH, 0); + gpio_set_value(blink_gpio, 0); + if (gpio_is_valid(gpio)) + gpio_set_value(gpio, state); + break; + case GPIO_LED_BLINK: + if (gpio_is_valid(gpio)) + gpio_set_value(gpio, 0); + gpio_set_value(H1940_LATCH_LED_FLASH, 1); + gpio_set_value(blink_gpio, 1); + break; + } + + spin_unlock(&h1940_blink_spin); + + return 0; +} +EXPORT_SYMBOL(h1940_led_blink_set); + +static struct gpio_led h1940_leds_desc[] = { + { + .name = "Green", + .default_trigger = "main-battery-charging-or-full", + .gpio = H1940_LATCH_LED_GREEN, + .retain_state_suspended = 1, + }, + { + .name = "Red", + .default_trigger = "main-battery-full", + .gpio = H1940_LATCH_LED_RED, + .retain_state_suspended = 1, + }, +}; + +static struct gpio_led_platform_data h1940_leds_pdata = { + .num_leds = ARRAY_SIZE(h1940_leds_desc), + .leds = h1940_leds_desc, + .gpio_blink_set = h1940_led_blink_set, +}; + static struct platform_device h1940_device_leds = { - .name = "h1940-leds", - .id = -1, + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &h1940_leds_pdata, + }, }; static struct platform_device h1940_device_bluetooth = { @@ -500,6 +580,15 @@ static void __init h1940_init(void) platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); + gpio_request(S3C2410_GPA(1), "Red LED blink"); + gpio_request(S3C2410_GPA(3), "Blue LED blink"); + gpio_request(S3C2410_GPA(7), "Green LED blink"); + gpio_request(H1940_LATCH_LED_FLASH, "LED blink"); + gpio_direction_output(S3C2410_GPA(1), 0); + gpio_direction_output(S3C2410_GPA(3), 0); + gpio_direction_output(S3C2410_GPA(7), 0); + gpio_direction_output(H1940_LATCH_LED_FLASH, 0); + i2c_register_board_info(0, h1940_i2c_devices, ARRAY_SIZE(h1940_i2c_devices)); } |