1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (c) 2010 Texas Instruments, Inc.
4 * Jason Kridner <jkridner@beagleboard.org>
5 */
6#include <common.h>
7#include <status_led.h>
8#include <asm/arch/cpu.h>
9#include <asm/io.h>
10#include <asm/arch/sys_proto.h>
11#include <asm/gpio.h>
12
13/* GPIO pins for the LEDs */
14#define BEAGLE_LED_USR0	150
15#define BEAGLE_LED_USR1	149
16
17#ifdef CONFIG_LED_STATUS_GREEN
18void green_led_off(void)
19{
20	__led_set(CONFIG_LED_STATUS_GREEN, 0);
21}
22
23void green_led_on(void)
24{
25	__led_set(CONFIG_LED_STATUS_GREEN, 1);
26}
27#endif
28
29static int get_led_gpio(led_id_t mask)
30{
31#ifdef CONFIG_LED_STATUS0
32	if (CONFIG_LED_STATUS_BIT & mask)
33		return BEAGLE_LED_USR0;
34#endif
35#ifdef CONFIG_LED_STATUS1
36	if (CONFIG_LED_STATUS_BIT1 & mask)
37		return BEAGLE_LED_USR1;
38#endif
39
40	return 0;
41}
42
43void __led_init (led_id_t mask, int state)
44{
45	int toggle_gpio;
46
47	toggle_gpio = get_led_gpio(mask);
48
49	if (toggle_gpio && !gpio_request(toggle_gpio, "led"))
50		__led_set(mask, state);
51}
52
53void __led_toggle (led_id_t mask)
54{
55	int state, toggle_gpio;
56
57	toggle_gpio = get_led_gpio(mask);
58	if (toggle_gpio) {
59		state = gpio_get_value(toggle_gpio);
60		gpio_direction_output(toggle_gpio, !state);
61	}
62}
63
64void __led_set (led_id_t mask, int state)
65{
66	int toggle_gpio;
67
68	toggle_gpio = get_led_gpio(mask);
69	if (toggle_gpio)
70		gpio_direction_output(toggle_gpio, state);
71}
72