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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.c169
1 files changed, 0 insertions, 169 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 6f958aec9459..000000000000
--- a/arch/arm/mach-omap1/leds-h2p2-debug.c
+++ /dev/null
@@ -1,169 +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#include <linux/platform_data/gpio-omap.h>
18
19#include <mach/hardware.h>
20#include <asm/leds.h>
21#include <asm/mach-types.h>
22
23#include <plat/fpga.h>
24
25#include "leds.h"
26
27
28#define GPIO_LED_RED 3
29#define GPIO_LED_GREEN OMAP_MPUIO(4)
30
31
32#define LED_STATE_ENABLED 0x01
33#define LED_STATE_CLAIMED 0x02
34#define LED_TIMER_ON 0x04
35
36#define GPIO_IDLE GPIO_LED_GREEN
37#define GPIO_TIMER GPIO_LED_RED
38
39
40void h2p2_dbg_leds_event(led_event_t evt)
41{
42 unsigned long flags;
43
44 static struct h2p2_dbg_fpga __iomem *fpga;
45 static u16 led_state, hw_led_state;
46
47 local_irq_save(flags);
48
49 if (!(led_state & LED_STATE_ENABLED) && evt != led_start)
50 goto done;
51
52 switch (evt) {
53 case led_start:
54 if (!fpga)
55 fpga = ioremap(H2P2_DBG_FPGA_START,
56 H2P2_DBG_FPGA_SIZE);
57 if (fpga) {
58 led_state |= LED_STATE_ENABLED;
59 __raw_writew(~0, &fpga->leds);
60 }
61 break;
62
63 case led_stop:
64 case led_halted:
65 /* all leds off during suspend or shutdown */
66
67 if (! machine_is_omap_perseus2()) {
68 gpio_set_value(GPIO_TIMER, 0);
69 gpio_set_value(GPIO_IDLE, 0);
70 }
71
72 led_state &= ~LED_STATE_ENABLED;
73 if (fpga) {
74 __raw_writew(~0, &fpga->leds);
75 if (evt == led_halted) {
76 iounmap(fpga);
77 fpga = NULL;
78 }
79 }
80
81 goto done;
82
83 case led_claim:
84 led_state |= LED_STATE_CLAIMED;
85 hw_led_state = 0;
86 break;
87
88 case led_release:
89 led_state &= ~LED_STATE_CLAIMED;
90 break;
91
92#ifdef CONFIG_LEDS_TIMER
93 case led_timer:
94 led_state ^= LED_TIMER_ON;
95
96 if (machine_is_omap_perseus2())
97 hw_led_state ^= H2P2_DBG_FPGA_P2_LED_TIMER;
98 else {
99 gpio_set_value(GPIO_TIMER, led_state & LED_TIMER_ON);
100 goto done;
101 }
102
103 break;
104#endif
105
106#ifdef CONFIG_LEDS_CPU
107 case led_idle_start:
108 if (machine_is_omap_perseus2())
109 hw_led_state |= H2P2_DBG_FPGA_P2_LED_IDLE;
110 else {
111 gpio_set_value(GPIO_IDLE, 1);
112 goto done;
113 }
114
115 break;
116
117 case led_idle_end:
118 if (machine_is_omap_perseus2())
119 hw_led_state &= ~H2P2_DBG_FPGA_P2_LED_IDLE;
120 else {
121 gpio_set_value(GPIO_IDLE, 0);
122 goto done;
123 }
124
125 break;
126#endif
127
128 case led_green_on:
129 hw_led_state |= H2P2_DBG_FPGA_LED_GREEN;
130 break;
131 case led_green_off:
132 hw_led_state &= ~H2P2_DBG_FPGA_LED_GREEN;
133 break;
134
135 case led_amber_on:
136 hw_led_state |= H2P2_DBG_FPGA_LED_AMBER;
137 break;
138 case led_amber_off:
139 hw_led_state &= ~H2P2_DBG_FPGA_LED_AMBER;
140 break;
141
142 case led_red_on:
143 hw_led_state |= H2P2_DBG_FPGA_LED_RED;
144 break;
145 case led_red_off:
146 hw_led_state &= ~H2P2_DBG_FPGA_LED_RED;
147 break;
148
149 case led_blue_on:
150 hw_led_state |= H2P2_DBG_FPGA_LED_BLUE;
151 break;
152 case led_blue_off:
153 hw_led_state &= ~H2P2_DBG_FPGA_LED_BLUE;
154 break;
155
156 default:
157 break;
158 }
159
160
161 /*
162 * Actually burn the LEDs
163 */
164 if (led_state & LED_STATE_ENABLED && fpga)
165 __raw_writew(~hw_led_state, &fpga->leds);
166
167done:
168 local_irq_restore(flags);
169}