1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/*
* Generic panel support
*
* Copyright (C) 2008 Nokia Corporation
* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/module.h>
#include <linux/delay.h>
#include <plat/display.h>
static struct omap_video_timings generic_panel_timings = {
/* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */
.x_res = 640,
.y_res = 480,
.pixel_clock = 23500,
.hfp = 48,
.hsw = 32,
.hbp = 80,
.vfp = 3,
.vsw = 4,
.vbp = 7,
};
static int generic_panel_power_on(struct omap_dss_device *dssdev)
{
int r;
r = omapdss_dpi_display_enable(dssdev);
if (r)
goto err0;
if (dssdev->platform_enable) {
r = dssdev->platform_enable(dssdev);
if (r)
goto err1;
}
return 0;
err1:
omapdss_dpi_display_disable(dssdev);
err0:
return r;
}
static void generic_panel_power_off(struct omap_dss_device *dssdev)
{
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
omapdss_dpi_display_disable(dssdev);
}
static int generic_panel_probe(struct omap_dss_device *dssdev)
{
dssdev->panel.config = OMAP_DSS_LCD_TFT;
dssdev->panel.timings = generic_panel_timings;
return 0;
}
static void generic_panel_remove(struct omap_dss_device *dssdev)
{
}
static int generic_panel_enable(struct omap_dss_device *dssdev)
{
int r = 0;
r = generic_panel_power_on(dssdev);
if (r)
return r;
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
static void generic_panel_disable(struct omap_dss_device *dssdev)
{
generic_panel_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static int generic_panel_suspend(struct omap_dss_device *dssdev)
{
generic_panel_power_off(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
return 0;
}
static int generic_panel_resume(struct omap_dss_device *dssdev)
{
int r = 0;
r = generic_panel_power_on(dssdev);
if (r)
return r;
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
return 0;
}
static struct omap_dss_driver generic_driver = {
.probe = generic_panel_probe,
.remove = generic_panel_remove,
.enable = generic_panel_enable,
.disable = generic_panel_disable,
.suspend = generic_panel_suspend,
.resume = generic_panel_resume,
.driver = {
.name = "generic_panel",
.owner = THIS_MODULE,
},
};
static int __init generic_panel_drv_init(void)
{
return omap_dss_register_driver(&generic_driver);
}
static void __exit generic_panel_drv_exit(void)
{
omap_dss_unregister_driver(&generic_driver);
}
module_init(generic_panel_drv_init);
module_exit(generic_panel_drv_exit);
MODULE_LICENSE("GPL");
|
