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/*
* Copyright (c) 2009 Wind River Systems, Inc.
* Tom Rix <Tom.Rix@windriver.com>
* (C) Copyright 2009
* Eric Benard <eric@eukrea.com>
*
* (C) Copyright 2012
* Markus Hubig <mhubig@imko.de>
* IMKO GmbH <www.imko.de>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91_pmc.h>
#include <status_led.h>
static unsigned int saved_state[3] = {STATUS_LED_OFF,
STATUS_LED_OFF, STATUS_LED_OFF};
void coloured_LED_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
/* Enable the clock */
writel(ATMEL_ID_PIOC, &pmc->pcer);
at91_set_gpio_output(CONFIG_RED_LED, 1);
at91_set_gpio_output(CONFIG_GREEN_LED, 1);
at91_set_gpio_output(CONFIG_YELLOW_LED, 1);
at91_set_gpio_value(CONFIG_RED_LED, 0);
at91_set_gpio_value(CONFIG_GREEN_LED, 1);
at91_set_gpio_value(CONFIG_YELLOW_LED, 0);
}
void red_led_on(void)
{
at91_set_gpio_value(CONFIG_RED_LED, 1);
saved_state[STATUS_LED_RED] = STATUS_LED_ON;
}
void red_led_off(void)
{
at91_set_gpio_value(CONFIG_RED_LED, 0);
saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
}
void green_led_on(void)
{
at91_set_gpio_value(CONFIG_GREEN_LED, 1);
saved_state[STATUS_LED_GREEN] = STATUS_LED_ON;
}
void green_led_off(void)
{
at91_set_gpio_value(CONFIG_GREEN_LED, 0);
saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF;
}
void yellow_led_on(void)
{
at91_set_gpio_value(CONFIG_YELLOW_LED, 1);
saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON;
}
void yellow_led_off(void)
{
at91_set_gpio_value(CONFIG_YELLOW_LED, 0);
saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF;
}
void __led_init(led_id_t mask, int state)
{
__led_set(mask, state);
}
void __led_toggle(led_id_t mask)
{
if (STATUS_LED_RED == mask) {
if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
red_led_off();
else
red_led_on();
} else if (STATUS_LED_GREEN == mask) {
if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN])
green_led_off();
else
green_led_on();
} else if (STATUS_LED_YELLOW == mask) {
if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW])
yellow_led_off();
else
yellow_led_on();
}
}
void __led_set(led_id_t mask, int state)
{
if (STATUS_LED_RED == mask) {
if (STATUS_LED_ON == state)
red_led_on();
else
red_led_off();
} else if (STATUS_LED_GREEN == mask) {
if (STATUS_LED_ON == state)
green_led_on();
else
green_led_off();
} else if (STATUS_LED_YELLOW == mask) {
if (STATUS_LED_ON == state)
yellow_led_on();
else
yellow_led_off();
}
}
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