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)
38 at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
41 writel(1 << AT91SAM9260_ID_PIOC, &pmc->pcer);
43 at91_set_pio_output(CONFIG_RED_LED, 1);
44 at91_set_pio_output(CONFIG_GREEN_LED, 1);
45 at91_set_pio_output(CONFIG_YELLOW_LED, 1);
46 at91_set_pio_output(CONFIG_BLUE_LED, 1);
48 at91_set_pio_value(CONFIG_RED_LED, 1);
49 at91_set_pio_value(CONFIG_GREEN_LED, 1);
50 at91_set_pio_value(CONFIG_YELLOW_LED, 1);
51 at91_set_pio_value(CONFIG_BLUE_LED, 1);
54 void red_LED_off(void)
56 at91_set_pio_value(CONFIG_RED_LED, 1);
57 saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
60 void green_LED_off(void)
62 at91_set_pio_value(CONFIG_GREEN_LED, 1);
63 saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF;
66 void yellow_LED_off(void)
68 at91_set_pio_value(CONFIG_YELLOW_LED, 1);
69 saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF;
72 void blue_LED_off(void)
74 at91_set_pio_value(CONFIG_BLUE_LED, 1);
75 saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF;
80 at91_set_pio_value(CONFIG_RED_LED, 0);
81 saved_state[STATUS_LED_RED] = STATUS_LED_ON;
84 void green_LED_on(void)
86 at91_set_pio_value(CONFIG_GREEN_LED, 0);
87 saved_state[STATUS_LED_GREEN] = STATUS_LED_ON;
90 void yellow_LED_on(void)
92 at91_set_pio_value(CONFIG_YELLOW_LED, 0);
93 saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON;
96 void blue_LED_on(void)
98 at91_set_pio_value(CONFIG_BLUE_LED, 0);
99 saved_state[STATUS_LED_BLUE] = STATUS_LED_ON;
102 void __led_init(led_id_t mask, int state)
104 __led_set(mask, state);
107 void __led_toggle(led_id_t mask)
109 if (STATUS_LED_BLUE == mask) {
110 if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE])
114 } else if (STATUS_LED_RED == mask) {
115 if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
119 } else if (STATUS_LED_GREEN == mask) {
120 if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN])
124 } else if (STATUS_LED_YELLOW == mask) {
125 if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW])
132 void __led_set(led_id_t mask, int state)
134 if (STATUS_LED_BLUE == mask) {
135 if (STATUS_LED_ON == state)
139 } else if (STATUS_LED_RED == mask) {
140 if (STATUS_LED_ON == state)
144 } else if (STATUS_LED_GREEN == mask) {
145 if (STATUS_LED_ON == state)
149 } else if (STATUS_LED_YELLOW == mask) {
150 if (STATUS_LED_ON == state)