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 } 31