diff options
Diffstat (limited to 'arch/arm/mach-footbridge/ebsa285-leds.c')
-rw-r--r-- | arch/arm/mach-footbridge/ebsa285-leds.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/arch/arm/mach-footbridge/ebsa285-leds.c b/arch/arm/mach-footbridge/ebsa285-leds.c deleted file mode 100644 index 5bd266754b95..000000000000 --- a/arch/arm/mach-footbridge/ebsa285-leds.c +++ /dev/null | |||
@@ -1,138 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-footbridge/ebsa285-leds.c | ||
3 | * | ||
4 | * Copyright (C) 1998-1999 Russell King | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | * EBSA-285 control routines. | ||
10 | * | ||
11 | * The EBSA-285 uses the leds as follows: | ||
12 | * - Green - toggles state every 50 timer interrupts | ||
13 | * - Amber - On if system is not idle | ||
14 | * - Red - currently unused | ||
15 | * | ||
16 | * Changelog: | ||
17 | * 02-05-1999 RMK Various cleanups | ||
18 | */ | ||
19 | #include <linux/module.h> | ||
20 | #include <linux/kernel.h> | ||
21 | #include <linux/init.h> | ||
22 | #include <linux/spinlock.h> | ||
23 | |||
24 | #include <mach/hardware.h> | ||
25 | #include <asm/leds.h> | ||
26 | #include <asm/mach-types.h> | ||
27 | |||
28 | #define LED_STATE_ENABLED 1 | ||
29 | #define LED_STATE_CLAIMED 2 | ||
30 | static char led_state; | ||
31 | static char hw_led_state; | ||
32 | |||
33 | static DEFINE_SPINLOCK(leds_lock); | ||
34 | |||
35 | static void ebsa285_leds_event(led_event_t evt) | ||
36 | { | ||
37 | unsigned long flags; | ||
38 | |||
39 | spin_lock_irqsave(&leds_lock, flags); | ||
40 | |||
41 | switch (evt) { | ||
42 | case led_start: | ||
43 | hw_led_state = XBUS_LED_RED | XBUS_LED_GREEN; | ||
44 | #ifndef CONFIG_LEDS_CPU | ||
45 | hw_led_state |= XBUS_LED_AMBER; | ||
46 | #endif | ||
47 | led_state |= LED_STATE_ENABLED; | ||
48 | break; | ||
49 | |||
50 | case led_stop: | ||
51 | led_state &= ~LED_STATE_ENABLED; | ||
52 | break; | ||
53 | |||
54 | case led_claim: | ||
55 | led_state |= LED_STATE_CLAIMED; | ||
56 | hw_led_state = XBUS_LED_RED | XBUS_LED_GREEN | XBUS_LED_AMBER; | ||
57 | break; | ||
58 | |||
59 | case led_release: | ||
60 | led_state &= ~LED_STATE_CLAIMED; | ||
61 | hw_led_state = XBUS_LED_RED | XBUS_LED_GREEN | XBUS_LED_AMBER; | ||
62 | break; | ||
63 | |||
64 | #ifdef CONFIG_LEDS_TIMER | ||
65 | case led_timer: | ||
66 | if (!(led_state & LED_STATE_CLAIMED)) | ||
67 | hw_led_state ^= XBUS_LED_GREEN; | ||
68 | break; | ||
69 | #endif | ||
70 | |||
71 | #ifdef CONFIG_LEDS_CPU | ||
72 | case led_idle_start: | ||
73 | if (!(led_state & LED_STATE_CLAIMED)) | ||
74 | hw_led_state |= XBUS_LED_AMBER; | ||
75 | break; | ||
76 | |||
77 | case led_idle_end: | ||
78 | if (!(led_state & LED_STATE_CLAIMED)) | ||
79 | hw_led_state &= ~XBUS_LED_AMBER; | ||
80 | break; | ||
81 | #endif | ||
82 | |||
83 | case led_halted: | ||
84 | if (!(led_state & LED_STATE_CLAIMED)) | ||
85 | hw_led_state &= ~XBUS_LED_RED; | ||
86 | break; | ||
87 | |||
88 | case led_green_on: | ||
89 | if (led_state & LED_STATE_CLAIMED) | ||
90 | hw_led_state &= ~XBUS_LED_GREEN; | ||
91 | break; | ||
92 | |||
93 | case led_green_off: | ||
94 | if (led_state & LED_STATE_CLAIMED) | ||
95 | hw_led_state |= XBUS_LED_GREEN; | ||
96 | break; | ||
97 | |||
98 | case led_amber_on: | ||
99 | if (led_state & LED_STATE_CLAIMED) | ||
100 | hw_led_state &= ~XBUS_LED_AMBER; | ||
101 | break; | ||
102 | |||
103 | case led_amber_off: | ||
104 | if (led_state & LED_STATE_CLAIMED) | ||
105 | hw_led_state |= XBUS_LED_AMBER; | ||
106 | break; | ||
107 | |||
108 | case led_red_on: | ||
109 | if (led_state & LED_STATE_CLAIMED) | ||
110 | hw_led_state &= ~XBUS_LED_RED; | ||
111 | break; | ||
112 | |||
113 | case led_red_off: | ||
114 | if (led_state & LED_STATE_CLAIMED) | ||
115 | hw_led_state |= XBUS_LED_RED; | ||
116 | break; | ||
117 | |||
118 | default: | ||
119 | break; | ||
120 | } | ||
121 | |||
122 | if (led_state & LED_STATE_ENABLED) | ||
123 | *XBUS_LEDS = hw_led_state; | ||
124 | |||
125 | spin_unlock_irqrestore(&leds_lock, flags); | ||
126 | } | ||
127 | |||
128 | static int __init leds_init(void) | ||
129 | { | ||
130 | if (machine_is_ebsa285()) | ||
131 | leds_event = ebsa285_leds_event; | ||
132 | |||
133 | leds_event(led_start); | ||
134 | |||
135 | return 0; | ||
136 | } | ||
137 | |||
138 | __initcall(leds_init); | ||