| Thomas Chou | 836fcc5 | 2010-04-30 11:34:14 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Status LED driver based on GPIO access conventions of Linux |
| 3 | * |
| 4 | * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | #include <common.h> |
| 12 | #include <status_led.h> |
| 13 | #include <asm/gpio.h> |
| 14 | |
| 15 | /* assume led is active low */ |
| 16 | |
| 17 | void __led_init(led_id_t mask, int state) |
| 18 | { |
| 19 | gpio_direction_output(mask, (state == STATUS_LED_ON) ? 0 : 1); |
| 20 | } |
| 21 | |
| 22 | void __led_set(led_id_t mask, int state) |
| 23 | { |
| 24 | gpio_set_value(mask, (state == STATUS_LED_ON) ? 0 : 1); |
| 25 | } |
| 26 | |
| 27 | void __led_toggle(led_id_t mask) |
| 28 | { |
| 29 | gpio_set_value(mask, !gpio_get_value(mask)); |
| 30 | } |