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- /*
- * linux/arch/arm/mach-omap1/leds-h2p2-debug.c
- *
- * Copyright 2003 by Texas Instruments Incorporated
- *
- * There are 16 LEDs on the debug board (all green); four may be used
- * for logical 'green', 'amber', 'red', and 'blue' (after "claiming").
- *
- * The "surfer" expansion board and H2 sample board also have two-color
- * green+red LEDs (in parallel), used here for timer and idle indicators.
- */
- #include <linux/init.h>
- #include <linux/kernel_stat.h>
- #include <linux/sched.h>
- #include <asm/io.h>
- #include <asm/hardware.h>
- #include <asm/leds.h>
- #include <asm/system.h>
- #include <asm/mach-types.h>
- #include <asm/arch/regs-gpio.h>
- #include "leds.h"
- #define LED0 S3C_GPN12
- #define LED1 S3C_GPN13
- #define LED2 S3C_GPN14
- #define LED3 S3C_GPN15
- #define LED_STATE_ENABLED 1<<0
- #define LED_STATE_CLAIMED 1<<1
- #define LED_TIMER_ON 1<<2
- #define LED_IDLE 1<<3
- void smdk6400_leds_event(led_event_t evt)
- {
- unsigned long flags;
- static u16 led_state, hw_led_state;
- local_irq_save(flags);
- if (!(led_state & LED_STATE_ENABLED) && evt != led_start)
- goto done;
- switch (evt) {
- case led_start:
- led_state |= LED_STATE_ENABLED;
- break;
- case led_stop:
- case led_halted:
- /* all leds off during suspend or shutdown */
- led_state &= ~LED_STATE_ENABLED;
- break;
- case led_claim:
- led_state |= LED_STATE_CLAIMED;
- hw_led_state = 0;
- break;
- case led_release:
- led_state &= ~LED_STATE_CLAIMED;
- break;
- #ifdef CONFIG_LEDS_TIMER
- case led_timer:
- led_state ^= LED_TIMER_ON;
- if (led_state & LED_TIMER_ON)
- s3c_gpio_setpin(LED0, 1);
- else {
- s3c_gpio_setpin(LED0, 0);
- }
- break;
- #endif
- #ifdef CONFIG_LEDS_CPU
- case led_idle_start:
- s3c_gpio_setpin(LED1, 1);
- break;
- case led_idle_end:
- s3c_gpio_setpin(LED1, 0);
- break;
- #endif
- case led_green_on:
- break;
- case led_green_off:
- break;
- case led_amber_on:
- break;
- case led_amber_off:
- break;
- case led_red_on:
- break;
- case led_red_off:
- break;
- case led_blue_on:
- break;
- case led_blue_off:
- break;
- default:
- break;
- }
- done:
- local_irq_restore(flags);
- }
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