Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
[linux-flexiantxendom0-natty.git] / drivers / video / omap / lcd_ams_delta.c
1 /*
2  * Based on drivers/video/omap/lcd_inn1510.c
3  *
4  * LCD panel support for the Amstrad E3 (Delta) videophone.
5  *
6  * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
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 #include <linux/io.h>
26 #include <linux/delay.h>
27
28 #include <plat/board-ams-delta.h>
29 #include <mach/hardware.h>
30 #include <plat/omapfb.h>
31
32 #define AMS_DELTA_DEFAULT_CONTRAST      112
33
34 static int ams_delta_panel_init(struct lcd_panel *panel,
35                 struct omapfb_device *fbdev)
36 {
37         return 0;
38 }
39
40 static void ams_delta_panel_cleanup(struct lcd_panel *panel)
41 {
42 }
43
44 static int ams_delta_panel_enable(struct lcd_panel *panel)
45 {
46         ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP,
47                         AMS_DELTA_LATCH2_LCD_NDISP);
48         ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN,
49                         AMS_DELTA_LATCH2_LCD_VBLEN);
50
51         omap_writeb(1, OMAP_PWL_CLK_ENABLE);
52         omap_writeb(AMS_DELTA_DEFAULT_CONTRAST, OMAP_PWL_ENABLE);
53
54         return 0;
55 }
56
57 static void ams_delta_panel_disable(struct lcd_panel *panel)
58 {
59         ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, 0);
60         ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, 0);
61 }
62
63 static unsigned long ams_delta_panel_get_caps(struct lcd_panel *panel)
64 {
65         return 0;
66 }
67
68 static struct lcd_panel ams_delta_panel = {
69         .name           = "ams-delta",
70         .config         = 0,
71
72         .bpp            = 12,
73         .data_lines     = 16,
74         .x_res          = 480,
75         .y_res          = 320,
76         .pixel_clock    = 4687,
77         .hsw            = 3,
78         .hfp            = 1,
79         .hbp            = 1,
80         .vsw            = 1,
81         .vfp            = 0,
82         .vbp            = 0,
83         .pcd            = 0,
84         .acb            = 37,
85
86         .init           = ams_delta_panel_init,
87         .cleanup        = ams_delta_panel_cleanup,
88         .enable         = ams_delta_panel_enable,
89         .disable        = ams_delta_panel_disable,
90         .get_caps       = ams_delta_panel_get_caps,
91 };
92
93 static int ams_delta_panel_probe(struct platform_device *pdev)
94 {
95         omapfb_register_panel(&ams_delta_panel);
96         return 0;
97 }
98
99 static int ams_delta_panel_remove(struct platform_device *pdev)
100 {
101         return 0;
102 }
103
104 static int ams_delta_panel_suspend(struct platform_device *pdev,
105                 pm_message_t mesg)
106 {
107         return 0;
108 }
109
110 static int ams_delta_panel_resume(struct platform_device *pdev)
111 {
112         return 0;
113 }
114
115 struct platform_driver ams_delta_panel_driver = {
116         .probe          = ams_delta_panel_probe,
117         .remove         = ams_delta_panel_remove,
118         .suspend        = ams_delta_panel_suspend,
119         .resume         = ams_delta_panel_resume,
120         .driver         = {
121                 .name   = "lcd_ams_delta",
122                 .owner  = THIS_MODULE,
123         },
124 };
125
126 static int __init ams_delta_panel_drv_init(void)
127 {
128         return platform_driver_register(&ams_delta_panel_driver);
129 }
130
131 static void __exit ams_delta_panel_drv_cleanup(void)
132 {
133         platform_driver_unregister(&ams_delta_panel_driver);
134 }
135
136 module_init(ams_delta_panel_drv_init);
137 module_exit(ams_delta_panel_drv_cleanup);