Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
7c38cf02 | 2 | * linux/arch/arm/mach-omap1/leds-innovator.c |
1da177e4 | 3 | */ |
1da177e4 LT |
4 | #include <linux/init.h> |
5 | ||
6 | #include <asm/hardware.h> | |
7 | #include <asm/leds.h> | |
8 | #include <asm/system.h> | |
9 | ||
10 | #include "leds.h" | |
11 | ||
12 | ||
13 | #define LED_STATE_ENABLED 1 | |
14 | #define LED_STATE_CLAIMED 2 | |
15 | ||
16 | static unsigned int led_state; | |
17 | static unsigned int hw_led_state; | |
18 | ||
19 | void innovator_leds_event(led_event_t evt) | |
20 | { | |
21 | unsigned long flags; | |
22 | ||
23 | local_irq_save(flags); | |
24 | ||
25 | switch (evt) { | |
26 | case led_start: | |
27 | hw_led_state = 0; | |
28 | led_state = LED_STATE_ENABLED; | |
29 | break; | |
30 | ||
31 | case led_stop: | |
32 | led_state &= ~LED_STATE_ENABLED; | |
33 | hw_led_state = 0; | |
34 | break; | |
35 | ||
36 | case led_claim: | |
37 | led_state |= LED_STATE_CLAIMED; | |
38 | hw_led_state = 0; | |
39 | break; | |
40 | ||
41 | case led_release: | |
42 | led_state &= ~LED_STATE_CLAIMED; | |
43 | hw_led_state = 0; | |
44 | break; | |
45 | ||
46 | #ifdef CONFIG_LEDS_TIMER | |
47 | case led_timer: | |
48 | if (!(led_state & LED_STATE_CLAIMED)) | |
49 | hw_led_state ^= 0; | |
50 | break; | |
51 | #endif | |
52 | ||
53 | #ifdef CONFIG_LEDS_CPU | |
54 | case led_idle_start: | |
55 | if (!(led_state & LED_STATE_CLAIMED)) | |
56 | hw_led_state |= 0; | |
57 | break; | |
58 | ||
59 | case led_idle_end: | |
60 | if (!(led_state & LED_STATE_CLAIMED)) | |
61 | hw_led_state &= ~0; | |
62 | break; | |
63 | #endif | |
64 | ||
65 | case led_halted: | |
66 | break; | |
67 | ||
68 | case led_green_on: | |
69 | if (led_state & LED_STATE_CLAIMED) | |
70 | hw_led_state &= ~0; | |
71 | break; | |
72 | ||
73 | case led_green_off: | |
74 | if (led_state & LED_STATE_CLAIMED) | |
75 | hw_led_state |= 0; | |
76 | break; | |
77 | ||
78 | case led_amber_on: | |
79 | break; | |
80 | ||
81 | case led_amber_off: | |
82 | break; | |
83 | ||
84 | case led_red_on: | |
85 | if (led_state & LED_STATE_CLAIMED) | |
86 | hw_led_state &= ~0; | |
87 | break; | |
88 | ||
89 | case led_red_off: | |
90 | if (led_state & LED_STATE_CLAIMED) | |
91 | hw_led_state |= 0; | |
92 | break; | |
93 | ||
94 | default: | |
95 | break; | |
96 | } | |
97 | ||
1da177e4 LT |
98 | local_irq_restore(flags); |
99 | } |