diff options
author | Imre Deak <imre.deak@solidboot.com> | 2007-07-17 07:06:04 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-17 13:23:14 -0400 |
commit | 65316c91eff2c9b8dd8e16cc83fb84f49a64813b (patch) | |
tree | d90456d677b0d753a5a5bc27c04b291a0d1ebee7 /drivers | |
parent | e493435bff76ee2a37fb474e289ad85052d677fa (diff) |
OMAP: LCD panel support for the TI OMAP H3 board
- Adds support for TFT LCD panel on TI OMAP H3 EVM board.
Signed-off-by: Trilok Soni <soni.trilok@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/video/omap/Makefile | 1 | ||||
-rw-r--r-- | drivers/video/omap/lcd_h3.c | 141 |
2 files changed, 142 insertions, 0 deletions
diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile index eb5536a5f8d6..fdcd91be918b 100644 --- a/drivers/video/omap/Makefile +++ b/drivers/video/omap/Makefile | |||
@@ -16,6 +16,7 @@ objs-y$(CONFIG_FB_OMAP_LCDC_HWA742) += hwa742.o | |||
16 | objs-y$(CONFIG_FB_OMAP_LCDC_BLIZZARD) += blizzard.o | 16 | objs-y$(CONFIG_FB_OMAP_LCDC_BLIZZARD) += blizzard.o |
17 | 17 | ||
18 | objs-y$(CONFIG_MACH_OMAP_H4) += lcd_h4.o | 18 | objs-y$(CONFIG_MACH_OMAP_H4) += lcd_h4.o |
19 | objs-y$(CONFIG_MACH_OMAP_H3) += lcd_h3.o | ||
19 | 20 | ||
20 | omapfb-objs := $(objs-yy) | 21 | omapfb-objs := $(objs-yy) |
21 | 22 | ||
diff --git a/drivers/video/omap/lcd_h3.c b/drivers/video/omap/lcd_h3.c new file mode 100644 index 000000000000..51807b4e26d1 --- /dev/null +++ b/drivers/video/omap/lcd_h3.c | |||
@@ -0,0 +1,141 @@ | |||
1 | /* | ||
2 | * LCD panel support for the TI OMAP H3 board | ||
3 | * | ||
4 | * Copyright (C) 2004 Nokia Corporation | ||
5 | * Author: Imre Deak <imre.deak@nokia.com> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify it | ||
8 | * under the terms of the GNU General Public License as published by the | ||
9 | * Free Software Foundation; either version 2 of the License, or (at your | ||
10 | * option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, but | ||
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License along | ||
18 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
19 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
20 | */ | ||
21 | |||
22 | #include <linux/module.h> | ||
23 | #include <linux/platform_device.h> | ||
24 | |||
25 | #include <asm/arch/gpio.h> | ||
26 | #include <asm/arch/tps65010.h> | ||
27 | #include <asm/arch/omapfb.h> | ||
28 | |||
29 | #define MODULE_NAME "omapfb-lcd_h3" | ||
30 | |||
31 | #define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ": " fmt, ## args) | ||
32 | |||
33 | static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) | ||
34 | { | ||
35 | return 0; | ||
36 | } | ||
37 | |||
38 | static void h3_panel_cleanup(struct lcd_panel *panel) | ||
39 | { | ||
40 | } | ||
41 | |||
42 | static int h3_panel_enable(struct lcd_panel *panel) | ||
43 | { | ||
44 | int r = 0; | ||
45 | |||
46 | /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ | ||
47 | r = tps65010_set_gpio_out_value(GPIO1, HIGH); | ||
48 | if (!r) | ||
49 | r = tps65010_set_gpio_out_value(GPIO2, HIGH); | ||
50 | if (r) | ||
51 | pr_err("Unable to turn on LCD panel\n"); | ||
52 | |||
53 | return r; | ||
54 | } | ||
55 | |||
56 | static void h3_panel_disable(struct lcd_panel *panel) | ||
57 | { | ||
58 | int r = 0; | ||
59 | |||
60 | /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ | ||
61 | r = tps65010_set_gpio_out_value(GPIO1, LOW); | ||
62 | if (!r) | ||
63 | tps65010_set_gpio_out_value(GPIO2, LOW); | ||
64 | if (r) | ||
65 | pr_err("Unable to turn off LCD panel\n"); | ||
66 | } | ||
67 | |||
68 | static unsigned long h3_panel_get_caps(struct lcd_panel *panel) | ||
69 | { | ||
70 | return 0; | ||
71 | } | ||
72 | |||
73 | struct lcd_panel h3_panel = { | ||
74 | .name = "h3", | ||
75 | .config = OMAP_LCDC_PANEL_TFT, | ||
76 | |||
77 | .data_lines = 16, | ||
78 | .bpp = 16, | ||
79 | .x_res = 240, | ||
80 | .y_res = 320, | ||
81 | .pixel_clock = 12000, | ||
82 | .hsw = 12, | ||
83 | .hfp = 14, | ||
84 | .hbp = 72 - 12, | ||
85 | .vsw = 1, | ||
86 | .vfp = 1, | ||
87 | .vbp = 0, | ||
88 | .pcd = 0, | ||
89 | |||
90 | .init = h3_panel_init, | ||
91 | .cleanup = h3_panel_cleanup, | ||
92 | .enable = h3_panel_enable, | ||
93 | .disable = h3_panel_disable, | ||
94 | .get_caps = h3_panel_get_caps, | ||
95 | }; | ||
96 | |||
97 | static int h3_panel_probe(struct platform_device *pdev) | ||
98 | { | ||
99 | omapfb_register_panel(&h3_panel); | ||
100 | return 0; | ||
101 | } | ||
102 | |||
103 | static int h3_panel_remove(struct platform_device *pdev) | ||
104 | { | ||
105 | return 0; | ||
106 | } | ||
107 | |||
108 | static int h3_panel_suspend(struct platform_device *pdev, pm_message_t mesg) | ||
109 | { | ||
110 | return 0; | ||
111 | } | ||
112 | |||
113 | static int h3_panel_resume(struct platform_device *pdev) | ||
114 | { | ||
115 | return 0; | ||
116 | } | ||
117 | |||
118 | struct platform_driver h3_panel_driver = { | ||
119 | .probe = h3_panel_probe, | ||
120 | .remove = h3_panel_remove, | ||
121 | .suspend = h3_panel_suspend, | ||
122 | .resume = h3_panel_resume, | ||
123 | .driver = { | ||
124 | .name = "lcd_h3", | ||
125 | .owner = THIS_MODULE, | ||
126 | }, | ||
127 | }; | ||
128 | |||
129 | static int h3_panel_drv_init(void) | ||
130 | { | ||
131 | return platform_driver_register(&h3_panel_driver); | ||
132 | } | ||
133 | |||
134 | static void h3_panel_drv_cleanup(void) | ||
135 | { | ||
136 | platform_driver_unregister(&h3_panel_driver); | ||
137 | } | ||
138 | |||
139 | module_init(h3_panel_drv_init); | ||
140 | module_exit(h3_panel_drv_cleanup); | ||
141 | |||