Merge branch 'topic/emu10k1' into for-linus
[linux-2.6] / drivers / video / omap / lcd_h3.c
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 #include <linux/i2c/tps65010.h>
25
26 #include <mach/gpio.h>
27 #include <mach/omapfb.h>
28
29 #define MODULE_NAME     "omapfb-lcd_h3"
30
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)
49                 pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");
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)
63                 pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
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
127 static int h3_panel_drv_init(void)
128 {
129         return platform_driver_register(&h3_panel_driver);
130 }
131
132 static void h3_panel_drv_cleanup(void)
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