diff options
Diffstat (limited to 'arch/arm/mach-sa1100/leds-lart.c')
| -rw-r--r-- | arch/arm/mach-sa1100/leds-lart.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/arm/mach-sa1100/leds-lart.c b/arch/arm/mach-sa1100/leds-lart.c deleted file mode 100644 index 50a5b143b460..000000000000 --- a/arch/arm/mach-sa1100/leds-lart.c +++ /dev/null | |||
| @@ -1,101 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * linux/arch/arm/mach-sa1100/leds-lart.c | ||
| 3 | * | ||
| 4 | * (C) Erik Mouw (J.A.K.Mouw@its.tudelft.nl), April 21, 2000 | ||
| 5 | * | ||
| 6 | * LART uses the LED as follows: | ||
| 7 | * - GPIO23 is the LED, on if system is not idle | ||
| 8 | * You can use both CONFIG_LEDS_CPU and CONFIG_LEDS_TIMER at the same | ||
| 9 | * time, but in that case the timer events will still dictate the | ||
| 10 | * pace of the LED. | ||
| 11 | */ | ||
| 12 | #include <linux/init.h> | ||
| 13 | #include <linux/io.h> | ||
| 14 | |||
| 15 | #include <mach/hardware.h> | ||
| 16 | #include <asm/leds.h> | ||
| 17 | |||
| 18 | #include "leds.h" | ||
| 19 | |||
| 20 | |||
| 21 | #define LED_STATE_ENABLED 1 | ||
| 22 | #define LED_STATE_CLAIMED 2 | ||
| 23 | |||
| 24 | static unsigned int led_state; | ||
| 25 | static unsigned int hw_led_state; | ||
| 26 | |||
| 27 | #define LED_23 GPIO_GPIO23 | ||
| 28 | #define LED_MASK (LED_23) | ||
| 29 | |||
| 30 | void lart_leds_event(led_event_t evt) | ||
| 31 | { | ||
| 32 | unsigned long flags; | ||
| 33 | |||
| 34 | local_irq_save(flags); | ||
| 35 | |||
| 36 | switch(evt) { | ||
| 37 | case led_start: | ||
| 38 | /* pin 23 is output pin */ | ||
| 39 | GPDR |= LED_23; | ||
| 40 | hw_led_state = LED_MASK; | ||
| 41 | led_state = LED_STATE_ENABLED; | ||
| 42 | break; | ||
| 43 | |||
| 44 | case led_stop: | ||
| 45 | led_state &= ~LED_STATE_ENABLED; | ||
| 46 | break; | ||
| 47 | |||
| 48 | case led_claim: | ||
| 49 | led_state |= LED_STATE_CLAIMED; | ||
| 50 | hw_led_state = LED_MASK; | ||
| 51 | break; | ||
| 52 | |||
| 53 | case led_release: | ||
| 54 | led_state &= ~LED_STATE_CLAIMED; | ||
| 55 | hw_led_state = LED_MASK; | ||
| 56 | break; | ||
| 57 | |||
| 58 | #ifdef CONFIG_LEDS_TIMER | ||
| 59 | case led_timer: | ||
| 60 | if (!(led_state & LED_STATE_CLAIMED)) | ||
| 61 | hw_led_state ^= LED_23; | ||
| 62 | break; | ||
| 63 | #endif | ||
| 64 | |||
| 65 | #ifdef CONFIG_LEDS_CPU | ||
| 66 | case led_idle_start: | ||
| 67 | /* The LART people like the LED to be off when the | ||
| 68 | system is idle... */ | ||
| 69 | if (!(led_state & LED_STATE_CLAIMED)) | ||
| 70 | hw_led_state &= ~LED_23; | ||
| 71 | break; | ||
| 72 | |||
| 73 | case led_idle_end: | ||
| 74 | /* ... and on if the system is not idle */ | ||
| 75 | if (!(led_state & LED_STATE_CLAIMED)) | ||
| 76 | hw_led_state |= LED_23; | ||
| 77 | break; | ||
| 78 | #endif | ||
| 79 | |||
| 80 | case led_red_on: | ||
| 81 | if (led_state & LED_STATE_CLAIMED) | ||
| 82 | hw_led_state &= ~LED_23; | ||
| 83 | break; | ||
| 84 | |||
| 85 | case led_red_off: | ||
| 86 | if (led_state & LED_STATE_CLAIMED) | ||
| 87 | hw_led_state |= LED_23; | ||
| 88 | break; | ||
| 89 | |||
| 90 | default: | ||
| 91 | break; | ||
| 92 | } | ||
| 93 | |||
| 94 | /* Now set the GPIO state, or nothing will happen at all */ | ||
| 95 | if (led_state & LED_STATE_ENABLED) { | ||
| 96 | GPSR = hw_led_state; | ||
| 97 | GPCR = hw_led_state ^ LED_MASK; | ||
| 98 | } | ||
| 99 | |||
| 100 | local_irq_restore(flags); | ||
| 101 | } | ||