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8#include <common.h>
9#include <status_led.h>
10#include <asm/gpio.h>
11
12#ifndef CONFIG_GPIO_LED_INVERTED_TABLE
13#define CONFIG_GPIO_LED_INVERTED_TABLE {}
14#endif
15
16static led_id_t gpio_led_inv[] = CONFIG_GPIO_LED_INVERTED_TABLE;
17
18static int gpio_led_gpio_value(led_id_t mask, int state)
19{
20 int i, gpio_value = (state == STATUS_LED_ON);
21
22 for (i = 0; i < ARRAY_SIZE(gpio_led_inv); i++) {
23 if (gpio_led_inv[i] == mask)
24 gpio_value = !gpio_value;
25 }
26
27 return gpio_value;
28}
29
30void __led_init(led_id_t mask, int state)
31{
32 int gpio_value;
33
34 if (gpio_request(mask, "gpio_led") != 0) {
35 printf("%s: failed requesting GPIO%lu!\n", __func__, mask);
36 return;
37 }
38
39 gpio_value = gpio_led_gpio_value(mask, state);
40 gpio_direction_output(mask, gpio_value);
41}
42
43void __led_set(led_id_t mask, int state)
44{
45 int gpio_value = gpio_led_gpio_value(mask, state);
46
47 gpio_set_value(mask, gpio_value);
48}
49
50void __led_toggle(led_id_t mask)
51{
52 gpio_set_value(mask, !gpio_get_value(mask));
53}
54
55#ifdef CONFIG_GPIO_LED_STUBS
56
57
58
59#ifdef STATUS_LED_RED
60void red_led_on(void)
61{
62 __led_set(STATUS_LED_RED, STATUS_LED_ON);
63}
64
65void red_led_off(void)
66{
67 __led_set(STATUS_LED_RED, STATUS_LED_OFF);
68}
69#endif
70
71#ifdef STATUS_LED_GREEN
72void green_led_on(void)
73{
74 __led_set(STATUS_LED_GREEN, STATUS_LED_ON);
75}
76
77void green_led_off(void)
78{
79 __led_set(STATUS_LED_GREEN, STATUS_LED_OFF);
80}
81#endif
82
83#ifdef STATUS_LED_YELLOW
84void yellow_led_on(void)
85{
86 __led_set(STATUS_LED_YELLOW, STATUS_LED_ON);
87}
88
89void yellow_led_off(void)
90{
91 __led_set(STATUS_LED_YELLOW, STATUS_LED_OFF);
92}
93#endif
94
95#ifdef STATUS_LED_BLUE
96void blue_led_on(void)
97{
98 __led_set(STATUS_LED_BLUE, STATUS_LED_ON);
99}
100
101void blue_led_off(void)
102{
103 __led_set(STATUS_LED_BLUE, STATUS_LED_OFF);
104}
105#endif
106
107#endif
108