]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-sa1100/leds-simpad.c | |
3 | * | |
4 | * Author: Juergen Messerer <juergen.messerer@siemens.ch> | |
5 | */ | |
1da177e4 LT |
6 | #include <linux/init.h> |
7 | ||
8 | #include <asm/hardware.h> | |
9 | #include <asm/leds.h> | |
10 | #include <asm/system.h> | |
11 | #include <asm/arch/simpad.h> | |
12 | ||
13 | #include "leds.h" | |
14 | ||
15 | ||
16 | #define LED_STATE_ENABLED 1 | |
17 | #define LED_STATE_CLAIMED 2 | |
18 | ||
19 | static unsigned int led_state; | |
20 | static unsigned int hw_led_state; | |
21 | ||
22 | #define LED_GREEN (1) | |
23 | #define LED_MASK (1) | |
24 | ||
25 | extern void set_cs3_bit(int value); | |
26 | extern void clear_cs3_bit(int value); | |
27 | ||
28 | void simpad_leds_event(led_event_t evt) | |
29 | { | |
30 | switch (evt) | |
31 | { | |
32 | case led_start: | |
33 | hw_led_state = LED_GREEN; | |
34 | led_state = LED_STATE_ENABLED; | |
35 | break; | |
36 | ||
37 | case led_stop: | |
38 | led_state &= ~LED_STATE_ENABLED; | |
39 | break; | |
40 | ||
41 | case led_claim: | |
42 | led_state |= LED_STATE_CLAIMED; | |
43 | hw_led_state = LED_GREEN; | |
44 | break; | |
45 | ||
46 | case led_release: | |
47 | led_state &= ~LED_STATE_CLAIMED; | |
48 | hw_led_state = LED_GREEN; | |
49 | break; | |
50 | ||
51 | #ifdef CONFIG_LEDS_TIMER | |
52 | case led_timer: | |
53 | if (!(led_state & LED_STATE_CLAIMED)) | |
54 | hw_led_state ^= LED_GREEN; | |
55 | break; | |
56 | #endif | |
57 | ||
58 | #ifdef CONFIG_LEDS_CPU | |
59 | case led_idle_start: | |
60 | break; | |
61 | ||
62 | case led_idle_end: | |
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 |= LED_GREEN; | |
72 | break; | |
73 | ||
74 | case led_green_off: | |
75 | if (led_state & LED_STATE_CLAIMED) | |
76 | hw_led_state &= ~LED_GREEN; | |
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 | break; | |
87 | ||
88 | case led_red_off: | |
89 | break; | |
90 | ||
91 | default: | |
92 | break; | |
93 | } | |
94 | ||
95 | if (led_state & LED_STATE_ENABLED) | |
96 | set_cs3_bit(LED2_ON); | |
97 | else | |
98 | clear_cs3_bit(LED2_ON); | |
99 | } | |
100 |