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d64ca86e ID |
1 | /* |
2 | * LCD panel support for the TI OMAP1610 Innovator 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/omapfb.h> | |
27 | ||
28 | #define MODULE_NAME "omapfb-lcd_h3" | |
29 | ||
30 | #define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ": " fmt, ## args) | |
31 | ||
32 | static int innovator1610_panel_init(struct lcd_panel *panel, | |
33 | struct omapfb_device *fbdev) | |
34 | { | |
35 | int r = 0; | |
36 | ||
37 | if (omap_request_gpio(14)) { | |
38 | pr_err("can't request GPIO 14\n"); | |
39 | r = -1; | |
40 | goto exit; | |
41 | } | |
42 | if (omap_request_gpio(15)) { | |
43 | pr_err("can't request GPIO 15\n"); | |
44 | omap_free_gpio(14); | |
45 | r = -1; | |
46 | goto exit; | |
47 | } | |
48 | /* configure GPIO(14, 15) as outputs */ | |
49 | omap_set_gpio_direction(14, 0); | |
50 | omap_set_gpio_direction(15, 0); | |
51 | exit: | |
52 | return r; | |
53 | } | |
54 | ||
55 | static void innovator1610_panel_cleanup(struct lcd_panel *panel) | |
56 | { | |
57 | omap_free_gpio(15); | |
58 | omap_free_gpio(14); | |
59 | } | |
60 | ||
61 | static int innovator1610_panel_enable(struct lcd_panel *panel) | |
62 | { | |
63 | /* set GPIO14 and GPIO15 high */ | |
64 | omap_set_gpio_dataout(14, 1); | |
65 | omap_set_gpio_dataout(15, 1); | |
66 | return 0; | |
67 | } | |
68 | ||
69 | static void innovator1610_panel_disable(struct lcd_panel *panel) | |
70 | { | |
71 | /* set GPIO13, GPIO14 and GPIO15 low */ | |
72 | omap_set_gpio_dataout(14, 0); | |
73 | omap_set_gpio_dataout(15, 0); | |
74 | } | |
75 | ||
76 | static unsigned long innovator1610_panel_get_caps(struct lcd_panel *panel) | |
77 | { | |
78 | return 0; | |
79 | } | |
80 | ||
81 | struct lcd_panel innovator1610_panel = { | |
82 | .name = "inn1610", | |
83 | .config = OMAP_LCDC_PANEL_TFT, | |
84 | ||
85 | .bpp = 16, | |
86 | .data_lines = 16, | |
87 | .x_res = 320, | |
88 | .y_res = 240, | |
89 | .pixel_clock = 12500, | |
90 | .hsw = 40, | |
91 | .hfp = 40, | |
92 | .hbp = 72, | |
93 | .vsw = 1, | |
94 | .vfp = 1, | |
95 | .vbp = 0, | |
96 | .pcd = 12, | |
97 | ||
98 | .init = innovator1610_panel_init, | |
99 | .cleanup = innovator1610_panel_cleanup, | |
100 | .enable = innovator1610_panel_enable, | |
101 | .disable = innovator1610_panel_disable, | |
102 | .get_caps = innovator1610_panel_get_caps, | |
103 | }; | |
104 | ||
105 | static int innovator1610_panel_probe(struct platform_device *pdev) | |
106 | { | |
107 | omapfb_register_panel(&innovator1610_panel); | |
108 | return 0; | |
109 | } | |
110 | ||
111 | static int innovator1610_panel_remove(struct platform_device *pdev) | |
112 | { | |
113 | return 0; | |
114 | } | |
115 | ||
116 | static int innovator1610_panel_suspend(struct platform_device *pdev, | |
117 | pm_message_t mesg) | |
118 | { | |
119 | return 0; | |
120 | } | |
121 | ||
122 | static int innovator1610_panel_resume(struct platform_device *pdev) | |
123 | { | |
124 | return 0; | |
125 | } | |
126 | ||
127 | struct platform_driver innovator1610_panel_driver = { | |
128 | .probe = innovator1610_panel_probe, | |
129 | .remove = innovator1610_panel_remove, | |
130 | .suspend = innovator1610_panel_suspend, | |
131 | .resume = innovator1610_panel_resume, | |
132 | .driver = { | |
133 | .name = "lcd_inn1610", | |
134 | .owner = THIS_MODULE, | |
135 | }, | |
136 | }; | |
137 | ||
138 | static int innovator1610_panel_drv_init(void) | |
139 | { | |
140 | return platform_driver_register(&innovator1610_panel_driver); | |
141 | } | |
142 | ||
143 | static void innovator1610_panel_drv_cleanup(void) | |
144 | { | |
145 | platform_driver_unregister(&innovator1610_panel_driver); | |
146 | } | |
147 | ||
148 | module_init(innovator1610_panel_drv_init); | |
149 | module_exit(innovator1610_panel_drv_cleanup); | |
150 |