diff options
author | Bryan Wu <bryan.wu@canonical.com> | 2012-03-13 14:22:03 -0400 |
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committer | Bryan Wu <bryan.wu@canonical.com> | 2012-07-31 23:22:14 -0400 |
commit | 18775a7bea8fbbebe8818db7a64aaeb40b40a0c5 (patch) | |
tree | 6f47d6a4147a6505da85cf4126254bdccc458842 /arch/arm/mach-sa1100/leds-lart.c | |
parent | dafbeadf4a9e1b2765641b687e3343be76d2eacd (diff) |
ARM: mach-sa1100: retire custom LED code
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Diffstat (limited to 'arch/arm/mach-sa1100/leds-lart.c')
-rw-r--r-- | arch/arm/mach-sa1100/leds-lart.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/arch/arm/mach-sa1100/leds-lart.c b/arch/arm/mach-sa1100/leds-lart.c deleted file mode 100644 index a51830c60e5..00000000000 --- a/arch/arm/mach-sa1100/leds-lart.c +++ /dev/null | |||
@@ -1,100 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-sa1100/leds-lart.c | ||
3 | * | ||
4 | * (C) Erik Mouw (J.A.K.Mouw@its.tudelft.nl), April 21, 2000 | ||
5 | * | ||
6 | * LART uses the LED as follows: | ||
7 | * - GPIO23 is the LED, on if system is not idle | ||
8 | * You can use both CONFIG_LEDS_CPU and CONFIG_LEDS_TIMER at the same | ||
9 | * time, but in that case the timer events will still dictate the | ||
10 | * pace of the LED. | ||
11 | */ | ||
12 | #include <linux/init.h> | ||
13 | |||
14 | #include <mach/hardware.h> | ||
15 | #include <asm/leds.h> | ||
16 | |||
17 | #include "leds.h" | ||
18 | |||
19 | |||
20 | #define LED_STATE_ENABLED 1 | ||
21 | #define LED_STATE_CLAIMED 2 | ||
22 | |||
23 | static unsigned int led_state; | ||
24 | static unsigned int hw_led_state; | ||
25 | |||
26 | #define LED_23 GPIO_GPIO23 | ||
27 | #define LED_MASK (LED_23) | ||
28 | |||
29 | void lart_leds_event(led_event_t evt) | ||
30 | { | ||
31 | unsigned long flags; | ||
32 | |||
33 | local_irq_save(flags); | ||
34 | |||
35 | switch(evt) { | ||
36 | case led_start: | ||
37 | /* pin 23 is output pin */ | ||
38 | GPDR |= LED_23; | ||
39 | hw_led_state = LED_MASK; | ||
40 | led_state = LED_STATE_ENABLED; | ||
41 | break; | ||
42 | |||
43 | case led_stop: | ||
44 | led_state &= ~LED_STATE_ENABLED; | ||
45 | break; | ||
46 | |||
47 | case led_claim: | ||
48 | led_state |= LED_STATE_CLAIMED; | ||
49 | hw_led_state = LED_MASK; | ||
50 | break; | ||
51 | |||
52 | case led_release: | ||
53 | led_state &= ~LED_STATE_CLAIMED; | ||
54 | hw_led_state = LED_MASK; | ||
55 | break; | ||
56 | |||
57 | #ifdef CONFIG_LEDS_TIMER | ||
58 | case led_timer: | ||
59 | if (!(led_state & LED_STATE_CLAIMED)) | ||
60 | hw_led_state ^= LED_23; | ||
61 | break; | ||
62 | #endif | ||
63 | |||
64 | #ifdef CONFIG_LEDS_CPU | ||
65 | case led_idle_start: | ||
66 | /* The LART people like the LED to be off when the | ||
67 | system is idle... */ | ||
68 | if (!(led_state & LED_STATE_CLAIMED)) | ||
69 | hw_led_state &= ~LED_23; | ||
70 | break; | ||
71 | |||
72 | case led_idle_end: | ||
73 | /* ... and on if the system is not idle */ | ||
74 | if (!(led_state & LED_STATE_CLAIMED)) | ||
75 | hw_led_state |= LED_23; | ||
76 | break; | ||
77 | #endif | ||
78 | |||
79 | case led_red_on: | ||
80 | if (led_state & LED_STATE_CLAIMED) | ||
81 | hw_led_state &= ~LED_23; | ||
82 | break; | ||
83 | |||
84 | case led_red_off: | ||
85 | if (led_state & LED_STATE_CLAIMED) | ||
86 | hw_led_state |= LED_23; | ||
87 | break; | ||
88 | |||
89 | default: | ||
90 | break; | ||
91 | } | ||
92 | |||
93 | /* Now set the GPIO state, or nothing will happen at all */ | ||
94 | if (led_state & LED_STATE_ENABLED) { | ||
95 | GPSR = hw_led_state; | ||
96 | GPCR = hw_led_state ^ LED_MASK; | ||
97 | } | ||
98 | |||
99 | local_irq_restore(flags); | ||
100 | } | ||