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/*
* Copyright (c) 2009 Wind River Systems, Inc.
* Tom Rix <Tom.Rix@windriver.com>
*
* 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 <status_led.h>
#include <asm/arch/cpu.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
static unsigned int saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF};
/*
* GPIO LEDs
* 173 red
* 154 blue
* 61 blue2
*/
#define ZOOM2_LED_RED 173
#define ZOOM2_LED_BLUE 154
#define ZOOM2_LED_BLUE2 61
void red_led_off(void)
{
/* red */
if (!gpio_request(ZOOM2_LED_RED, "")) {
gpio_direction_output(ZOOM2_LED_RED, 0);
gpio_set_value(ZOOM2_LED_RED, 0);
}
saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
}
void blue_led_off(void)
{
/* blue */
if (!gpio_request(ZOOM2_LED_BLUE, "")) {
gpio_direction_output(ZOOM2_LED_BLUE, 0);
gpio_set_value(ZOOM2_LED_BLUE, 0);
}
/* blue 2 */
if (!gpio_request(ZOOM2_LED_BLUE2, "")) {
gpio_direction_output(ZOOM2_LED_BLUE2, 0);
gpio_set_value(ZOOM2_LED_BLUE2, 0);
}
saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF;
}
void red_led_on(void)
{
blue_led_off();
/* red */
if (!gpio_request(ZOOM2_LED_RED, "")) {
gpio_direction_output(ZOOM2_LED_RED, 0);
gpio_set_value(ZOOM2_LED_RED, 1);
}
saved_state[STATUS_LED_RED] = STATUS_LED_ON;
}
void blue_led_on(void)
{
red_led_off();
/* blue */
if (!gpio_request(ZOOM2_LED_BLUE, "")) {
gpio_direction_output(ZOOM2_LED_BLUE, 0);
gpio_set_value(ZOOM2_LED_BLUE, 1);
}
/* blue 2 */
if (!gpio_request(ZOOM2_LED_BLUE2, "")) {
gpio_direction_output(ZOOM2_LED_BLUE2, 0);
gpio_set_value(ZOOM2_LED_BLUE2, 1);
}
saved_state[STATUS_LED_BLUE] = STATUS_LED_ON;
}
void __led_init (led_id_t mask, int state)
{
__led_set (mask, state);
}
void __led_toggle (led_id_t mask)
{
if (STATUS_LED_BLUE == mask) {
if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE])
blue_led_off();
else
blue_led_on();
} else if (STATUS_LED_RED == mask) {
if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
red_led_off();
else
red_led_on();
}
}
void __led_set (led_id_t mask, int state)
{
if (STATUS_LED_BLUE == mask) {
if (STATUS_LED_ON == state)
blue_led_on();
else
blue_led_off();
} else if (STATUS_LED_RED == mask) {
if (STATUS_LED_ON == state)
red_led_on();
else
red_led_off();
}
}
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