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/*
* Copyright (c) 2010 Texas Instruments, Inc.
* Jason Kridner <jkridner@beagleboard.org>
*
* 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/arch/gpio.h>
static unsigned int saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF};
/* GPIO pins for the LEDs */
#define BEAGLE_LED_USR0 149
#define BEAGLE_LED_USR1 150
#ifdef STATUS_LED_GREEN
void green_LED_off (void)
{
__led_set (STATUS_LED_GREEN, 0);
}
void green_LED_on (void)
{
__led_set (STATUS_LED_GREEN, 1);
}
#endif
void __led_init (led_id_t mask, int state)
{
__led_set (mask, state);
}
void __led_toggle (led_id_t mask)
{
#ifdef STATUS_LED_BIT
if (STATUS_LED_BIT & mask) {
if (STATUS_LED_ON == saved_state[0])
__led_set(STATUS_LED_BIT, 0);
else
__led_set(STATUS_LED_BIT, 1);
}
#endif
#ifdef STATUS_LED_BIT1
if (STATUS_LED_BIT1 & mask) {
if (STATUS_LED_ON == saved_state[1])
__led_set(STATUS_LED_BIT1, 0);
else
__led_set(STATUS_LED_BIT1, 1);
}
#endif
}
void __led_set (led_id_t mask, int state)
{
#ifdef STATUS_LED_BIT
if (STATUS_LED_BIT & mask) {
if (!omap_request_gpio(BEAGLE_LED_USR0)) {
omap_set_gpio_direction(BEAGLE_LED_USR0, 0);
omap_set_gpio_dataout(BEAGLE_LED_USR0, state);
}
saved_state[0] = state;
}
#endif
#ifdef STATUS_LED_BIT1
if (STATUS_LED_BIT1 & mask) {
if (!omap_request_gpio(BEAGLE_LED_USR1)) {
omap_set_gpio_direction(BEAGLE_LED_USR1, 0);
omap_set_gpio_dataout(BEAGLE_LED_USR1, state);
}
saved_state[1] = state;
}
#endif
}
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