2 * Copyright (c) 2010 Texas Instruments, Inc.
3 * Jason Kridner <jkridner@beagleboard.org>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 #include <status_led.h>
22 #include <asm/arch/cpu.h>
24 #include <asm/arch/sys_proto.h>
27 /* GPIO pins for the LEDs */
28 #define BEAGLE_LED_USR0 150
29 #define BEAGLE_LED_USR1 149
31 #ifdef STATUS_LED_GREEN
32 void green_led_off(void)
34 __led_set (STATUS_LED_GREEN, 0);
37 void green_led_on(void)
39 __led_set (STATUS_LED_GREEN, 1);
43 void __led_init (led_id_t mask, int state)
45 __led_set (mask, state);
48 void __led_toggle (led_id_t mask)
50 int state, toggle_gpio = 0;
52 if (!toggle_gpio && STATUS_LED_BIT & mask)
53 toggle_gpio = BEAGLE_LED_USR0;
55 #ifdef STATUS_LED_BIT1
56 if (!toggle_gpio && STATUS_LED_BIT1 & mask)
57 toggle_gpio = BEAGLE_LED_USR1;
60 if (!gpio_request(toggle_gpio, "")) {
61 gpio_direction_output(toggle_gpio, 0);
62 state = gpio_get_value(toggle_gpio);
63 gpio_set_value(toggle_gpio, !state);
68 void __led_set (led_id_t mask, int state)
71 if (STATUS_LED_BIT & mask) {
72 if (!gpio_request(BEAGLE_LED_USR0, "")) {
73 gpio_direction_output(BEAGLE_LED_USR0, 0);
74 gpio_set_value(BEAGLE_LED_USR0, state);
78 #ifdef STATUS_LED_BIT1
79 if (STATUS_LED_BIT1 & mask) {
80 if (!gpio_request(BEAGLE_LED_USR1, "")) {
81 gpio_direction_output(BEAGLE_LED_USR1, 0);
82 gpio_set_value(BEAGLE_LED_USR1, state);