omap: headers: Move remaining headers from include/mach to include/plat
[linux-2.6.git] / drivers / video / omap / lcd_osk.c
1 /*
2  * LCD panel support for the TI OMAP OSK board
3  *
4  * Copyright (C) 2004 Nokia Corporation
5  * Author: Imre Deak <imre.deak@nokia.com>
6  * Adapted for OSK by <dirk.behme@de.bosch.com>
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
26 #include <mach/gpio.h>
27 #include <plat/mux.h>
28 #include <plat/omapfb.h>
29
30 static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
31 {
32         /* gpio2 was allocated in board init */
33         return 0;
34 }
35
36 static void osk_panel_cleanup(struct lcd_panel *panel)
37 {
38 }
39
40 static int osk_panel_enable(struct lcd_panel *panel)
41 {
42         /* configure PWL pin */
43         omap_cfg_reg(PWL);
44
45         /* Enable PWL unit */
46         omap_writeb(0x01, OMAP_PWL_CLK_ENABLE);
47
48         /* Set PWL level */
49         omap_writeb(0xFF, OMAP_PWL_ENABLE);
50
51         /* set GPIO2 high (lcd power enabled) */
52         gpio_set_value(2, 1);
53
54         return 0;
55 }
56
57 static void osk_panel_disable(struct lcd_panel *panel)
58 {
59         /* Set PWL level to zero */
60         omap_writeb(0x00, OMAP_PWL_ENABLE);
61
62         /* Disable PWL unit */
63         omap_writeb(0x00, OMAP_PWL_CLK_ENABLE);
64
65         /* set GPIO2 low */
66         gpio_set_value(2, 0);
67 }
68
69 static unsigned long osk_panel_get_caps(struct lcd_panel *panel)
70 {
71         return 0;
72 }
73
74 struct lcd_panel osk_panel = {
75         .name           = "osk",
76         .config         = OMAP_LCDC_PANEL_TFT,
77
78         .bpp            = 16,
79         .data_lines     = 16,
80         .x_res          = 240,
81         .y_res          = 320,
82         .pixel_clock    = 12500,
83         .hsw            = 40,
84         .hfp            = 40,
85         .hbp            = 72,
86         .vsw            = 1,
87         .vfp            = 1,
88         .vbp            = 0,
89         .pcd            = 12,
90
91         .init           = osk_panel_init,
92         .cleanup        = osk_panel_cleanup,
93         .enable         = osk_panel_enable,
94         .disable        = osk_panel_disable,
95         .get_caps       = osk_panel_get_caps,
96 };
97
98 static int osk_panel_probe(struct platform_device *pdev)
99 {
100         omapfb_register_panel(&osk_panel);
101         return 0;
102 }
103
104 static int osk_panel_remove(struct platform_device *pdev)
105 {
106         return 0;
107 }
108
109 static int osk_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
110 {
111         return 0;
112 }
113
114 static int osk_panel_resume(struct platform_device *pdev)
115 {
116         return 0;
117 }
118
119 struct platform_driver osk_panel_driver = {
120         .probe          = osk_panel_probe,
121         .remove         = osk_panel_remove,
122         .suspend        = osk_panel_suspend,
123         .resume         = osk_panel_resume,
124         .driver         = {
125                 .name   = "lcd_osk",
126                 .owner  = THIS_MODULE,
127         },
128 };
129
130 static int __init osk_panel_drv_init(void)
131 {
132         return platform_driver_register(&osk_panel_driver);
133 }
134
135 static void __exit osk_panel_drv_cleanup(void)
136 {
137         platform_driver_unregister(&osk_panel_driver);
138 }
139
140 module_init(osk_panel_drv_init);
141 module_exit(osk_panel_drv_cleanup);
142