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65316c91 ID |
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> | |
6d16bfb5 | 24 | #include <linux/i2c/tps65010.h> |
65316c91 | 25 | |
1bc857f7 | 26 | #include <asm/gpio.h> |
91773a00 | 27 | #include "omapfb.h" |
65316c91 ID |
28 | |
29 | #define MODULE_NAME "omapfb-lcd_h3" | |
30 | ||
65316c91 ID |
31 | static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) |
32 | { | |
33 | return 0; | |
34 | } | |
35 | ||
36 | static void h3_panel_cleanup(struct lcd_panel *panel) | |
37 | { | |
38 | } | |
39 | ||
40 | static int h3_panel_enable(struct lcd_panel *panel) | |
41 | { | |
42 | int r = 0; | |
43 | ||
44 | /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ | |
45 | r = tps65010_set_gpio_out_value(GPIO1, HIGH); | |
46 | if (!r) | |
47 | r = tps65010_set_gpio_out_value(GPIO2, HIGH); | |
48 | if (r) | |
1f7c8234 | 49 | pr_err(MODULE_NAME ": Unable to turn on LCD panel\n"); |
65316c91 ID |
50 | |
51 | return r; | |
52 | } | |
53 | ||
54 | static void h3_panel_disable(struct lcd_panel *panel) | |
55 | { | |
56 | int r = 0; | |
57 | ||
58 | /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ | |
59 | r = tps65010_set_gpio_out_value(GPIO1, LOW); | |
60 | if (!r) | |
61 | tps65010_set_gpio_out_value(GPIO2, LOW); | |
62 | if (r) | |
1f7c8234 | 63 | pr_err(MODULE_NAME ": Unable to turn off LCD panel\n"); |
65316c91 ID |
64 | } |
65 | ||
66 | static unsigned long h3_panel_get_caps(struct lcd_panel *panel) | |
67 | { | |
68 | return 0; | |
69 | } | |
70 | ||
71 | struct lcd_panel h3_panel = { | |
72 | .name = "h3", | |
73 | .config = OMAP_LCDC_PANEL_TFT, | |
74 | ||
75 | .data_lines = 16, | |
76 | .bpp = 16, | |
77 | .x_res = 240, | |
78 | .y_res = 320, | |
79 | .pixel_clock = 12000, | |
80 | .hsw = 12, | |
81 | .hfp = 14, | |
82 | .hbp = 72 - 12, | |
83 | .vsw = 1, | |
84 | .vfp = 1, | |
85 | .vbp = 0, | |
86 | .pcd = 0, | |
87 | ||
88 | .init = h3_panel_init, | |
89 | .cleanup = h3_panel_cleanup, | |
90 | .enable = h3_panel_enable, | |
91 | .disable = h3_panel_disable, | |
92 | .get_caps = h3_panel_get_caps, | |
93 | }; | |
94 | ||
95 | static int h3_panel_probe(struct platform_device *pdev) | |
96 | { | |
97 | omapfb_register_panel(&h3_panel); | |
98 | return 0; | |
99 | } | |
100 | ||
101 | static int h3_panel_remove(struct platform_device *pdev) | |
102 | { | |
103 | return 0; | |
104 | } | |
105 | ||
106 | static int h3_panel_suspend(struct platform_device *pdev, pm_message_t mesg) | |
107 | { | |
108 | return 0; | |
109 | } | |
110 | ||
111 | static int h3_panel_resume(struct platform_device *pdev) | |
112 | { | |
113 | return 0; | |
114 | } | |
115 | ||
116 | struct platform_driver h3_panel_driver = { | |
117 | .probe = h3_panel_probe, | |
118 | .remove = h3_panel_remove, | |
119 | .suspend = h3_panel_suspend, | |
120 | .resume = h3_panel_resume, | |
121 | .driver = { | |
122 | .name = "lcd_h3", | |
123 | .owner = THIS_MODULE, | |
124 | }, | |
125 | }; | |
126 | ||
3f6db50f | 127 | static int __init h3_panel_drv_init(void) |
65316c91 ID |
128 | { |
129 | return platform_driver_register(&h3_panel_driver); | |
130 | } | |
131 | ||
3f6db50f | 132 | static void __exit h3_panel_drv_cleanup(void) |
65316c91 ID |
133 | { |
134 | platform_driver_unregister(&h3_panel_driver); | |
135 | } | |
136 | ||
137 | module_init(h3_panel_drv_init); | |
138 | module_exit(h3_panel_drv_cleanup); | |
139 |