diff options
Diffstat (limited to 'arch/arm/mach-omap1/leds-osk.c')
-rw-r--r-- | arch/arm/mach-omap1/leds-osk.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/arch/arm/mach-omap1/leds-osk.c b/arch/arm/mach-omap1/leds-osk.c deleted file mode 100644 index 936ed42..0000000 --- a/arch/arm/mach-omap1/leds-osk.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * linux/arch/arm/mach-omap1/leds-osk.c - * - * LED driver for OSK with optional Mistral QVGA board - */ -#include <linux/gpio.h> -#include <linux/init.h> - -#include <mach/hardware.h> -#include <asm/leds.h> - -#include "leds.h" - - -#define LED_STATE_ENABLED (1 << 0) -#define LED_STATE_CLAIMED (1 << 1) -static u8 led_state; - -#define TIMER_LED (1 << 3) /* Mistral board */ -#define IDLE_LED (1 << 4) /* Mistral board */ -static u8 hw_led_state; - - -#ifdef CONFIG_OMAP_OSK_MISTRAL - -/* For now, all system indicators require the Mistral board, since that - * LED can be manipulated without a task context. This LED is either red, - * or green, but not both; it can't give the full "disco led" effect. - */ - -#define GPIO_LED_RED 3 -#define GPIO_LED_GREEN OMAP_MPUIO(4) - -static void mistral_setled(void) -{ - int red = 0; - int green = 0; - - if (hw_led_state & TIMER_LED) - red = 1; - else if (hw_led_state & IDLE_LED) - green = 1; - /* else both sides are disabled */ - - gpio_set_value(GPIO_LED_GREEN, green); - gpio_set_value(GPIO_LED_RED, red); -} - -#endif - -void osk_leds_event(led_event_t evt) -{ - unsigned long flags; - u16 leds; - - local_irq_save(flags); - - if (!(led_state & LED_STATE_ENABLED) && evt != led_start) - goto done; - - leds = hw_led_state; - switch (evt) { - case led_start: - led_state |= LED_STATE_ENABLED; - hw_led_state = 0; - leds = ~0; - break; - - case led_halted: - case led_stop: - led_state &= ~LED_STATE_ENABLED; - hw_led_state = 0; - break; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = 0; - leds = ~0; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = 0; - break; - -#ifdef CONFIG_OMAP_OSK_MISTRAL - - case led_timer: - hw_led_state ^= TIMER_LED; - mistral_setled(); - break; - - case led_idle_start: /* idle == off */ - hw_led_state &= ~IDLE_LED; - mistral_setled(); - break; - - case led_idle_end: - hw_led_state |= IDLE_LED; - mistral_setled(); - break; - -#endif /* CONFIG_OMAP_OSK_MISTRAL */ - - default: - break; - } - - leds ^= hw_led_state; - -done: - local_irq_restore(flags); -} |