summaryrefslogtreecommitdiff
path: root/board/eukrea/cpu9260/led.c
blob: 0cfe0a69fbc0a100d26e8a1fee510ff217f06557 (plain)
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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/*
 * Copyright (c) 2009 Wind River Systems, Inc.
 * Tom Rix <Tom.Rix@windriver.com>
 * (C) Copyright 2009
 * Eric Benard <eric@eukrea.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <status_led.h>
#include <asm/arch/at91sam9260.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/gpio.h>
#include <asm/io.h>

static unsigned int saved_state[4] = {STATUS_LED_OFF, STATUS_LED_OFF,
		STATUS_LED_OFF, STATUS_LED_OFF};

void coloured_LED_init(void)
{
	at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;

	/* Enable clock */
	writel(1 << ATMEL_ID_PIOC, &pmc->pcer);

	at91_set_pio_output(CONFIG_RED_LED, 1);
	at91_set_pio_output(CONFIG_GREEN_LED, 1);
	at91_set_pio_output(CONFIG_YELLOW_LED, 1);
	at91_set_pio_output(CONFIG_BLUE_LED, 1);

	at91_set_pio_value(CONFIG_RED_LED, 1);
	at91_set_pio_value(CONFIG_GREEN_LED, 1);
	at91_set_pio_value(CONFIG_YELLOW_LED, 1);
	at91_set_pio_value(CONFIG_BLUE_LED, 1);
}

void red_led_off(void)
{
	at91_set_pio_value(CONFIG_RED_LED, 1);
	saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
}

void green_led_off(void)
{
	at91_set_pio_value(CONFIG_GREEN_LED, 1);
	saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF;
}

void yellow_led_off(void)
{
	at91_set_pio_value(CONFIG_YELLOW_LED, 1);
	saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF;
}

void blue_led_off(void)
{
	at91_set_pio_value(CONFIG_BLUE_LED, 1);
	saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF;
}

void red_led_on(void)
{
	at91_set_pio_value(CONFIG_RED_LED, 0);
	saved_state[STATUS_LED_RED] = STATUS_LED_ON;
}

void green_led_on(void)
{
	at91_set_pio_value(CONFIG_GREEN_LED, 0);
	saved_state[STATUS_LED_GREEN] = STATUS_LED_ON;
}

void yellow_led_on(void)
{
	at91_set_pio_value(CONFIG_YELLOW_LED, 0);
	saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON;
}

void blue_led_on(void)
{
	at91_set_pio_value(CONFIG_BLUE_LED, 0);
	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();
	} else if (STATUS_LED_GREEN == mask) {
		if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN])
			green_led_off();
		else
			green_led_on();
	} else if (STATUS_LED_YELLOW == mask) {
		if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW])
			yellow_led_off();
		else
			yellow_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();
	} else if (STATUS_LED_GREEN == mask) {
		if (STATUS_LED_ON == state)
			green_led_on();
		else
			green_led_off();
	} else if (STATUS_LED_YELLOW == mask) {
		if (STATUS_LED_ON == state)
			yellow_led_on();
		else
			yellow_led_off();
	}
}