Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
7c38cf02 | 2 | * linux/arch/arm/mach-omap1/leds-innovator.c |
1da177e4 LT |
3 | */ |
4 | #include <linux/config.h> | |
5 | #include <linux/init.h> | |
6 | ||
7 | #include <asm/hardware.h> | |
8 | #include <asm/leds.h> | |
9 | #include <asm/system.h> | |
10 | ||
11 | #include "leds.h" | |
12 | ||
13 | ||
14 | #define LED_STATE_ENABLED 1 | |
15 | #define LED_STATE_CLAIMED 2 | |
16 | ||
17 | static unsigned int led_state; | |
18 | static unsigned int hw_led_state; | |
19 | ||
20 | void innovator_leds_event(led_event_t evt) | |
21 | { | |
22 | unsigned long flags; | |
23 | ||
24 | local_irq_save(flags); | |
25 | ||
26 | switch (evt) { | |
27 | case led_start: | |
28 | hw_led_state = 0; | |
29 | led_state = LED_STATE_ENABLED; | |
30 | break; | |
31 | ||
32 | case led_stop: | |
33 | led_state &= ~LED_STATE_ENABLED; | |
34 | hw_led_state = 0; | |
35 | break; | |
36 | ||
37 | case led_claim: | |
38 | led_state |= LED_STATE_CLAIMED; | |
39 | hw_led_state = 0; | |
40 | break; | |
41 | ||
42 | case led_release: | |
43 | led_state &= ~LED_STATE_CLAIMED; | |
44 | hw_led_state = 0; | |
45 | break; | |
46 | ||
47 | #ifdef CONFIG_LEDS_TIMER | |
48 | case led_timer: | |
49 | if (!(led_state & LED_STATE_CLAIMED)) | |
50 | hw_led_state ^= 0; | |
51 | break; | |
52 | #endif | |
53 | ||
54 | #ifdef CONFIG_LEDS_CPU | |
55 | case led_idle_start: | |
56 | if (!(led_state & LED_STATE_CLAIMED)) | |
57 | hw_led_state |= 0; | |
58 | break; | |
59 | ||
60 | case led_idle_end: | |
61 | if (!(led_state & LED_STATE_CLAIMED)) | |
62 | hw_led_state &= ~0; | |
63 | break; | |
64 | #endif | |
65 | ||
66 | case led_halted: | |
67 | break; | |
68 | ||
69 | case led_green_on: | |
70 | if (led_state & LED_STATE_CLAIMED) | |
71 | hw_led_state &= ~0; | |
72 | break; | |
73 | ||
74 | case led_green_off: | |
75 | if (led_state & LED_STATE_CLAIMED) | |
76 | hw_led_state |= 0; | |
77 | break; | |
78 | ||
79 | case led_amber_on: | |
80 | break; | |
81 | ||
82 | case led_amber_off: | |
83 | break; | |
84 | ||
85 | case led_red_on: | |
86 | if (led_state & LED_STATE_CLAIMED) | |
87 | hw_led_state &= ~0; | |
88 | break; | |
89 | ||
90 | case led_red_off: | |
91 | if (led_state & LED_STATE_CLAIMED) | |
92 | hw_led_state |= 0; | |
93 | break; | |
94 | ||
95 | default: | |
96 | break; | |
97 | } | |
98 | ||
99 | if (led_state & LED_STATE_ENABLED) | |
100 | ; | |
101 | ||
102 | local_irq_restore(flags); | |
103 | } |