1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* 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 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)
{
int state, toggle_gpio = 0;
#ifdef STATUS_LED_BIT
if (!toggle_gpio && STATUS_LED_BIT & mask)
toggle_gpio = BEAGLE_LED_USR0;
#endif
#ifdef STATUS_LED_BIT1
if (!toggle_gpio && STATUS_LED_BIT1 & mask)
toggle_gpio = BEAGLE_LED_USR1;
#endif
if (toggle_gpio) {
if (!gpio_request(toggle_gpio, "")) {
gpio_direction_output(toggle_gpio, 0);
state = gpio_get_value(toggle_gpio);
gpio_set_value(toggle_gpio, !state);
}
}
}
void __led_set (led_id_t mask, int state)
{
#ifdef STATUS_LED_BIT
if (STATUS_LED_BIT & mask) {
if (!gpio_request(BEAGLE_LED_USR0, "")) {
gpio_direction_output(BEAGLE_LED_USR0, 0);
gpio_set_value(BEAGLE_LED_USR0, state);
}
}
#endif
#ifdef STATUS_LED_BIT1
if (STATUS_LED_BIT1 & mask) {
if (!gpio_request(BEAGLE_LED_USR1, "")) {
gpio_direction_output(BEAGLE_LED_USR1, 0);
gpio_set_value(BEAGLE_LED_USR1, state);
}
}
#endif
}
|
