2 * Copyright (c) 2009 Wind River Systems, Inc.
3 * Tom Rix <Tom.Rix@windriver.com>
5 * Eric Benard <eric@eukrea.com>
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <status_led.h>
28 #include <asm/arch/at91sam9260.h>
29 #include <asm/arch/at91_pmc.h>
30 #include <asm/arch/gpio.h>
31 #include <asm/arch/io.h>
33 static unsigned int saved_state[4] = {STATUS_LED_OFF, STATUS_LED_OFF,
34 STATUS_LED_OFF, STATUS_LED_OFF};
36 void coloured_LED_init(void)
39 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC);
41 at91_set_gpio_output(CONFIG_RED_LED, 1);
42 at91_set_gpio_output(CONFIG_GREEN_LED, 1);
43 at91_set_gpio_output(CONFIG_YELLOW_LED, 1);
44 at91_set_gpio_output(CONFIG_BLUE_LED, 1);
46 at91_set_gpio_value(CONFIG_RED_LED, 1);
47 at91_set_gpio_value(CONFIG_GREEN_LED, 1);
48 at91_set_gpio_value(CONFIG_YELLOW_LED, 1);
49 at91_set_gpio_value(CONFIG_BLUE_LED, 1);
52 void red_LED_off(void)
54 at91_set_gpio_value(CONFIG_RED_LED, 1);
55 saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
58 void green_LED_off(void)
60 at91_set_gpio_value(CONFIG_GREEN_LED, 1);
61 saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF;
64 void yellow_LED_off(void)
66 at91_set_gpio_value(CONFIG_YELLOW_LED, 1);
67 saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF;
70 void blue_LED_off(void)
72 at91_set_gpio_value(CONFIG_BLUE_LED, 1);
73 saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF;
78 at91_set_gpio_value(CONFIG_RED_LED, 0);
79 saved_state[STATUS_LED_RED] = STATUS_LED_ON;
82 void green_LED_on(void)
84 at91_set_gpio_value(CONFIG_GREEN_LED, 0);
85 saved_state[STATUS_LED_GREEN] = STATUS_LED_ON;
88 void yellow_LED_on(void)
90 at91_set_gpio_value(CONFIG_YELLOW_LED, 0);
91 saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON;
94 void blue_LED_on(void)
96 at91_set_gpio_value(CONFIG_BLUE_LED, 0);
97 saved_state[STATUS_LED_BLUE] = STATUS_LED_ON;
100 void __led_init(led_id_t mask, int state)
102 __led_set(mask, state);
105 void __led_toggle(led_id_t mask)
107 if (STATUS_LED_BLUE == mask) {
108 if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE])
112 } else if (STATUS_LED_RED == mask) {
113 if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
117 } else if (STATUS_LED_GREEN == mask) {
118 if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN])
122 } else if (STATUS_LED_YELLOW == mask) {
123 if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW])
130 void __led_set(led_id_t mask, int state)
132 if (STATUS_LED_BLUE == mask) {
133 if (STATUS_LED_ON == state)
137 } else if (STATUS_LED_RED == mask) {
138 if (STATUS_LED_ON == state)
142 } else if (STATUS_LED_GREEN == mask) {
143 if (STATUS_LED_ON == state)
147 } else if (STATUS_LED_YELLOW == mask) {
148 if (STATUS_LED_ON == state)