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Diffstat (limited to 'arch/arm/mach-omap1/leds-innovator.c')
-rw-r--r--arch/arm/mach-omap1/leds-innovator.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/leds-innovator.c b/arch/arm/mach-omap1/leds-innovator.c
new file mode 100644
index 000000000000..8043b7d0f66e
--- /dev/null
+++ b/arch/arm/mach-omap1/leds-innovator.c
@@ -0,0 +1,103 @@
1/*
2 * linux/arch/arm/mach-omap/leds-innovator.c
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
17static unsigned int led_state;
18static unsigned int hw_led_state;
19
20void 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}