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Diffstat (limited to 'arch/arm/mach-omap1/leds-h2p2-debug.c')
-rw-r--r--arch/arm/mach-omap1/leds-h2p2-debug.c166
1 files changed, 0 insertions, 166 deletions
diff --git a/arch/arm/mach-omap1/leds-h2p2-debug.c b/arch/arm/mach-omap1/leds-h2p2-debug.c
deleted file mode 100644
index f6b14a14a957..000000000000
--- a/arch/arm/mach-omap1/leds-h2p2-debug.c
+++ /dev/null
@@ -1,166 +0,0 @@
1/*
2 * linux/arch/arm/mach-omap1/leds-h2p2-debug.c
3 *
4 * Copyright 2003 by Texas Instruments Incorporated
5 *
6 * There are 16 LEDs on the debug board (all green); four may be used
7 * for logical 'green', 'amber', 'red', and 'blue' (after "claiming").
8 *
9 * The "surfer" expansion board and H2 sample board also have two-color
10 * green+red LEDs (in parallel), used here for timer and idle indicators.
11 */
12#include <linux/gpio.h>
13#include <linux/init.h>
14#include <linux/kernel_stat.h>
15#include <linux/sched.h>
16#include <linux/io.h>
17
18#include <mach/hardware.h>
19#include <asm/leds.h>
20#include <asm/mach-types.h>
21
22#include <plat/fpga.h>
23
24#include "leds.h"
25
26
27#define GPIO_LED_RED 3
28#define GPIO_LED_GREEN OMAP_MPUIO(4)
29
30
31#define LED_STATE_ENABLED 0x01
32#define LED_STATE_CLAIMED 0x02
33#define LED_TIMER_ON 0x04
34
35#define GPIO_IDLE GPIO_LED_GREEN
36#define GPIO_TIMER GPIO_LED_RED
37
38
39void h2p2_dbg_leds_event(led_event_t evt)
40{
41 unsigned long flags;
42
43 static struct h2p2_dbg_fpga __iomem *fpga;
44 static u16 led_state, hw_led_state;
45
46 local_irq_save(flags);
47
48 if (!(led_state & LED_STATE_ENABLED) && evt != led_start)
49 goto done;
50
51 switch (evt) {
52 case led_start:
53 if (!fpga)
54 fpga = ioremap(H2P2_DBG_FPGA_START,
55 H2P2_DBG_FPGA_SIZE);
56 if (fpga) {
57 led_state |= LED_STATE_ENABLED;
58 __raw_writew(~0, &fpga->leds);
59 }
60 break;
61
62 case led_stop:
63 case led_halted:
64 /* all leds off during suspend or shutdown */
65
66 if (! machine_is_omap_perseus2()) {
67 gpio_set_value(GPIO_TIMER, 0);
68 gpio_set_value(GPIO_IDLE, 0);
69 }
70
71 __raw_writew(~0, &fpga->leds);
72 led_state &= ~LED_STATE_ENABLED;
73 if (evt == led_halted) {
74 iounmap(fpga);
75 fpga = NULL;
76 }
77
78 goto done;
79
80 case led_claim:
81 led_state |= LED_STATE_CLAIMED;
82 hw_led_state = 0;
83 break;
84
85 case led_release:
86 led_state &= ~LED_STATE_CLAIMED;
87 break;
88
89#ifdef CONFIG_LEDS_TIMER
90 case led_timer:
91 led_state ^= LED_TIMER_ON;
92
93 if (machine_is_omap_perseus2())
94 hw_led_state ^= H2P2_DBG_FPGA_P2_LED_TIMER;
95 else {
96 gpio_set_value(GPIO_TIMER, led_state & LED_TIMER_ON);
97 goto done;
98 }
99
100 break;
101#endif
102
103#ifdef CONFIG_LEDS_CPU
104 case led_idle_start:
105 if (machine_is_omap_perseus2())
106 hw_led_state |= H2P2_DBG_FPGA_P2_LED_IDLE;
107 else {
108 gpio_set_value(GPIO_IDLE, 1);
109 goto done;
110 }
111
112 break;
113
114 case led_idle_end:
115 if (machine_is_omap_perseus2())
116 hw_led_state &= ~H2P2_DBG_FPGA_P2_LED_IDLE;
117 else {
118 gpio_set_value(GPIO_IDLE, 0);
119 goto done;
120 }
121
122 break;
123#endif
124
125 case led_green_on:
126 hw_led_state |= H2P2_DBG_FPGA_LED_GREEN;
127 break;
128 case led_green_off:
129 hw_led_state &= ~H2P2_DBG_FPGA_LED_GREEN;
130 break;
131
132 case led_amber_on:
133 hw_led_state |= H2P2_DBG_FPGA_LED_AMBER;
134 break;
135 case led_amber_off:
136 hw_led_state &= ~H2P2_DBG_FPGA_LED_AMBER;
137 break;
138
139 case led_red_on:
140 hw_led_state |= H2P2_DBG_FPGA_LED_RED;
141 break;
142 case led_red_off:
143 hw_led_state &= ~H2P2_DBG_FPGA_LED_RED;
144 break;
145
146 case led_blue_on:
147 hw_led_state |= H2P2_DBG_FPGA_LED_BLUE;
148 break;
149 case led_blue_off:
150 hw_led_state &= ~H2P2_DBG_FPGA_LED_BLUE;
151 break;
152
153 default:
154 break;
155 }
156
157
158 /*
159 * Actually burn the LEDs
160 */
161 if (led_state & LED_STATE_ENABLED)
162 __raw_writew(~hw_led_state, &fpga->leds);
163
164done:
165 local_irq_restore(flags);
166}
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