1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
From eaadaa1e6192ef58079fb6149136e4f267f771b0 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Date: Mon, 29 Sep 2008 17:03:36 +0300
Subject: [PATCH] DSS: support for Beagle Board
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
arch/arm/mach-omap2/board-omap3beagle.c | 123 +++++++++++++++++++++++++++----
1 files changed, 107 insertions(+), 16 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index c1de795..cd0c776 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -42,6 +42,8 @@
#include <mach/gpmc.h>
#include <mach/nand.h>
#include <mach/mux.h>
+#include <mach/omapfb.h>
+#include <mach/display.h>
#include "twl4030-generic-scripts.h"
#include "mmc-twl4030.h"
@@ -200,15 +202,6 @@ static void __init omap3_beagle_init_irq(void)
omap_gpio_init();
}
-static struct platform_device omap3_beagle_lcd_device = {
- .name = "omap3beagle_lcd",
- .id = -1,
-};
-
-static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
- .ctrl_name = "internal",
-};
-
static struct gpio_led gpio_leds[] = {
{
.name = "beagleboard::usr0",
@@ -262,13 +255,113 @@ static struct platform_device keys_gpio = {
},
};
+/* DSS */
+
+static int beagle_enable_dvi(struct omap_display *display)
+{
+ if (display->hw_config.panel_reset_gpio != -1)
+ gpio_direction_output(display->hw_config.panel_reset_gpio, 1);
+
+ return 0;
+}
+
+static void beagle_disable_dvi(struct omap_display *display)
+{
+ if (display->hw_config.panel_reset_gpio != -1)
+ gpio_direction_output(display->hw_config.panel_reset_gpio, 0);
+}
+
+static struct omap_display_data beagle_display_data_dvi = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "dvi",
+ .panel_name = "panel-dvi",
+ .u.dpi.data_lines = 24,
+ .panel_reset_gpio = 170,
+ .panel_enable = beagle_enable_dvi,
+ .panel_disable = beagle_disable_dvi,
+};
+
+
+static int beagle_panel_enable_tv(struct omap_display *display)
+{
+#define ENABLE_VDAC_DEDICATED 0x03
+#define ENABLE_VDAC_DEV_GRP 0x20
+
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VDAC_DEDICATED,
+ TWL4030_VDAC_DEDICATED);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VDAC_DEV_GRP, TWL4030_VDAC_DEV_GRP);
+
+ return 0;
+}
+
+static void beagle_panel_disable_tv(struct omap_display *display)
+{
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
+ TWL4030_VDAC_DEDICATED);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
+ TWL4030_VDAC_DEV_GRP);
+}
+
+static struct omap_display_data beagle_display_data_tv = {
+ .type = OMAP_DISPLAY_TYPE_VENC,
+ .name = "tv",
+ .u.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
+ .panel_enable = beagle_panel_enable_tv,
+ .panel_disable = beagle_panel_disable_tv,
+};
+
+static struct omap_dss_platform_data beagle_dss_data = {
+ .num_displays = 2,
+ .displays = {
+ &beagle_display_data_dvi,
+ &beagle_display_data_tv,
+ }
+};
+
+static struct platform_device beagle_dss_device = {
+ .name = "omap-dss",
+ .id = -1,
+ .dev = {
+ .platform_data = &beagle_dss_data,
+ },
+};
+
+static void __init beagle_display_init(void)
+{
+ int r;
+
+ r = gpio_request(beagle_display_data_dvi.panel_reset_gpio, "DVI reset");
+ if (r < 0)
+ printk(KERN_ERR "Unable to get DVI reset GPIO\n");
+}
+
+static struct omap_fbmem_config beagle_fbmem0_config = {
+ .size = 1024*768*4,
+ .start = OMAPFB_MEMTYPE_SDRAM,
+};
+
+static struct omap_fbmem_config beagle_fbmem1_config = {
+ .size = 1024*768*4,
+ .start = OMAPFB_MEMTYPE_SDRAM,
+};
+
+static struct omap_fbmem_config beagle_fbmem2_config = {
+ .size = 1024*768*4,
+ .start = OMAPFB_MEMTYPE_SDRAM,
+};
+
+
static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
{ OMAP_TAG_UART, &omap3_beagle_uart_config },
- { OMAP_TAG_LCD, &omap3_beagle_lcd_config },
+ { OMAP_TAG_FBMEM, &beagle_fbmem0_config },
+ { OMAP_TAG_FBMEM, &beagle_fbmem1_config },
+ { OMAP_TAG_FBMEM, &beagle_fbmem2_config },
};
static struct platform_device *omap3_beagle_devices[] __initdata = {
- &omap3_beagle_lcd_device,
+ &beagle_dss_device,
&leds_gpio,
&keys_gpio,
};
@@ -316,22 +409,20 @@ static void __init omap3_beagle_init(void)
omap3_beagle_i2c_init();
platform_add_devices(omap3_beagle_devices,
ARRAY_SIZE(omap3_beagle_devices));
- omap_board_config = omap3_beagle_config;
- omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
omap_serial_init();
omap_cfg_reg(J25_34XX_GPIO170);
- gpio_request(170, "DVI_nPD");
- /* REVISIT leave DVI powered down until it's needed ... */
- gpio_direction_output(170, true);
usb_musb_init();
usb_ehci_init();
omap3beagle_flash_init();
+ beagle_display_init();
}
static void __init omap3_beagle_map_io(void)
{
+ omap_board_config = omap3_beagle_config;
+ omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
omap2_set_globals_343x();
omap2_map_common_io();
}
--
1.5.6.3
|
