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/*
* Copyright (c) 2010 Texas Instruments, Inc.
* Jason Kridner <jkridner@beagleboard.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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>
/* GPIO pins for the LEDs */
#define BEAGLE_LED_USR0 150
#define BEAGLE_LED_USR1 149
#ifdef CONFIG_LED_STATUS_GREEN
void green_led_off(void)
{
__led_set(CONFIG_LED_STATUS_GREEN, 0);
}
void green_led_on(void)
{
__led_set(CONFIG_LED_STATUS_GREEN, 1);
}
#endif
static int get_led_gpio(led_id_t mask)
{
#ifdef CONFIG_LED_STATUS0
if (CONFIG_LED_STATUS_BIT & mask)
return BEAGLE_LED_USR0;
#endif
#ifdef CONFIG_LED_STATUS1
if (CONFIG_LED_STATUS_BIT1 & mask)
return BEAGLE_LED_USR1;
#endif
return 0;
}
void __led_init (led_id_t mask, int state)
{
int toggle_gpio;
toggle_gpio = get_led_gpio(mask);
if (toggle_gpio && !gpio_request(toggle_gpio, "led"))
__led_set(mask, state);
}
void __led_toggle (led_id_t mask)
{
int state, toggle_gpio;
toggle_gpio = get_led_gpio(mask);
if (toggle_gpio) {
state = gpio_get_value(toggle_gpio);
gpio_direction_output(toggle_gpio, !state);
}
}
void __led_set (led_id_t mask, int state)
{
int toggle_gpio;
toggle_gpio = get_led_gpio(mask);
if (toggle_gpio)
gpio_direction_output(toggle_gpio, state);
}
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