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27969ccc KK |
1 | /* |
2 | * LCD panel support for the TI OMAP3 Beagle board | |
3 | * | |
4 | * Author: Koen Kooi <koen@openembedded.org> | |
5 | * | |
6 | * Derived from drivers/video/omap/lcd-omap3evm.c | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
20 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <linux/module.h> | |
24 | #include <linux/platform_device.h> | |
25 | #include <linux/gpio.h> | |
26 | #include <linux/i2c/twl4030.h> | |
27 | ||
ce491cf8 | 28 | #include <plat/mux.h> |
91773a00 | 29 | #include <plat/mux.h> |
27969ccc KK |
30 | #include <asm/mach-types.h> |
31 | ||
91773a00 TV |
32 | #include "omapfb.h" |
33 | ||
27969ccc KK |
34 | #define LCD_PANEL_ENABLE_GPIO 170 |
35 | ||
36 | static int omap3beagle_panel_init(struct lcd_panel *panel, | |
37 | struct omapfb_device *fbdev) | |
38 | { | |
39 | gpio_request(LCD_PANEL_ENABLE_GPIO, "LCD enable"); | |
40 | return 0; | |
41 | } | |
42 | ||
43 | static void omap3beagle_panel_cleanup(struct lcd_panel *panel) | |
44 | { | |
45 | gpio_free(LCD_PANEL_ENABLE_GPIO); | |
46 | } | |
47 | ||
48 | static int omap3beagle_panel_enable(struct lcd_panel *panel) | |
49 | { | |
50 | gpio_set_value(LCD_PANEL_ENABLE_GPIO, 1); | |
51 | return 0; | |
52 | } | |
53 | ||
54 | static void omap3beagle_panel_disable(struct lcd_panel *panel) | |
55 | { | |
56 | gpio_set_value(LCD_PANEL_ENABLE_GPIO, 0); | |
57 | } | |
58 | ||
59 | static unsigned long omap3beagle_panel_get_caps(struct lcd_panel *panel) | |
60 | { | |
61 | return 0; | |
62 | } | |
63 | ||
64 | struct lcd_panel omap3beagle_panel = { | |
65 | .name = "omap3beagle", | |
66 | .config = OMAP_LCDC_PANEL_TFT, | |
67 | ||
68 | .bpp = 16, | |
69 | .data_lines = 24, | |
70 | .x_res = 1024, | |
71 | .y_res = 768, | |
72 | .hsw = 3, /* hsync_len (4) - 1 */ | |
73 | .hfp = 3, /* right_margin (4) - 1 */ | |
74 | .hbp = 39, /* left_margin (40) - 1 */ | |
75 | .vsw = 1, /* vsync_len (2) - 1 */ | |
76 | .vfp = 2, /* lower_margin */ | |
77 | .vbp = 7, /* upper_margin (8) - 1 */ | |
78 | ||
79 | .pixel_clock = 64000, | |
80 | ||
81 | .init = omap3beagle_panel_init, | |
82 | .cleanup = omap3beagle_panel_cleanup, | |
83 | .enable = omap3beagle_panel_enable, | |
84 | .disable = omap3beagle_panel_disable, | |
85 | .get_caps = omap3beagle_panel_get_caps, | |
86 | }; | |
87 | ||
88 | static int omap3beagle_panel_probe(struct platform_device *pdev) | |
89 | { | |
90 | omapfb_register_panel(&omap3beagle_panel); | |
91 | return 0; | |
92 | } | |
93 | ||
94 | static int omap3beagle_panel_remove(struct platform_device *pdev) | |
95 | { | |
96 | return 0; | |
97 | } | |
98 | ||
99 | static int omap3beagle_panel_suspend(struct platform_device *pdev, | |
100 | pm_message_t mesg) | |
101 | { | |
102 | return 0; | |
103 | } | |
104 | ||
105 | static int omap3beagle_panel_resume(struct platform_device *pdev) | |
106 | { | |
107 | return 0; | |
108 | } | |
109 | ||
110 | struct platform_driver omap3beagle_panel_driver = { | |
111 | .probe = omap3beagle_panel_probe, | |
112 | .remove = omap3beagle_panel_remove, | |
113 | .suspend = omap3beagle_panel_suspend, | |
114 | .resume = omap3beagle_panel_resume, | |
115 | .driver = { | |
116 | .name = "omap3beagle_lcd", | |
117 | .owner = THIS_MODULE, | |
118 | }, | |
119 | }; | |
120 | ||
121 | static int __init omap3beagle_panel_drv_init(void) | |
122 | { | |
123 | return platform_driver_register(&omap3beagle_panel_driver); | |
124 | } | |
125 | ||
126 | static void __exit omap3beagle_panel_drv_exit(void) | |
127 | { | |
128 | platform_driver_unregister(&omap3beagle_panel_driver); | |
129 | } | |
130 | ||
131 | module_init(omap3beagle_panel_drv_init); | |
132 | module_exit(omap3beagle_panel_drv_exit); |