Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg...
[linux-2.6] / drivers / video / omap / lcd_inn1610.c
1 /*
2  * LCD panel support for the TI OMAP1610 Innovator 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
25 #include <mach/gpio.h>
26 #include <mach/omapfb.h>
27
28 #define MODULE_NAME     "omapfb-lcd_h3"
29
30 static int innovator1610_panel_init(struct lcd_panel *panel,
31                                     struct omapfb_device *fbdev)
32 {
33         int r = 0;
34
35         if (gpio_request(14, "lcd_en0")) {
36                 pr_err(MODULE_NAME ": can't request GPIO 14\n");
37                 r = -1;
38                 goto exit;
39         }
40         if (gpio_request(15, "lcd_en1")) {
41                 pr_err(MODULE_NAME ": can't request GPIO 15\n");
42                 gpio_free(14);
43                 r = -1;
44                 goto exit;
45         }
46         /* configure GPIO(14, 15) as outputs */
47         gpio_direction_output(14, 0);
48         gpio_direction_output(15, 0);
49 exit:
50         return r;
51 }
52
53 static void innovator1610_panel_cleanup(struct lcd_panel *panel)
54 {
55         gpio_free(15);
56         gpio_free(14);
57 }
58
59 static int innovator1610_panel_enable(struct lcd_panel *panel)
60 {
61         /* set GPIO14 and GPIO15 high */
62         gpio_set_value(14, 1);
63         gpio_set_value(15, 1);
64         return 0;
65 }
66
67 static void innovator1610_panel_disable(struct lcd_panel *panel)
68 {
69         /* set GPIO13, GPIO14 and GPIO15 low */
70         gpio_set_value(14, 0);
71         gpio_set_value(15, 0);
72 }
73
74 static unsigned long innovator1610_panel_get_caps(struct lcd_panel *panel)
75 {
76         return 0;
77 }
78
79 struct lcd_panel innovator1610_panel = {
80         .name           = "inn1610",
81         .config         = OMAP_LCDC_PANEL_TFT,
82
83         .bpp            = 16,
84         .data_lines     = 16,
85         .x_res          = 320,
86         .y_res          = 240,
87         .pixel_clock    = 12500,
88         .hsw            = 40,
89         .hfp            = 40,
90         .hbp            = 72,
91         .vsw            = 1,
92         .vfp            = 1,
93         .vbp            = 0,
94         .pcd            = 12,
95
96         .init           = innovator1610_panel_init,
97         .cleanup        = innovator1610_panel_cleanup,
98         .enable         = innovator1610_panel_enable,
99         .disable        = innovator1610_panel_disable,
100         .get_caps       = innovator1610_panel_get_caps,
101 };
102
103 static int innovator1610_panel_probe(struct platform_device *pdev)
104 {
105         omapfb_register_panel(&innovator1610_panel);
106         return 0;
107 }
108
109 static int innovator1610_panel_remove(struct platform_device *pdev)
110 {
111         return 0;
112 }
113
114 static int innovator1610_panel_suspend(struct platform_device *pdev,
115                                        pm_message_t mesg)
116 {
117         return 0;
118 }
119
120 static int innovator1610_panel_resume(struct platform_device *pdev)
121 {
122         return 0;
123 }
124
125 struct platform_driver innovator1610_panel_driver = {
126         .probe          = innovator1610_panel_probe,
127         .remove         = innovator1610_panel_remove,
128         .suspend        = innovator1610_panel_suspend,
129         .resume         = innovator1610_panel_resume,
130         .driver         = {
131                 .name   = "lcd_inn1610",
132                 .owner  = THIS_MODULE,
133         },
134 };
135
136 static int innovator1610_panel_drv_init(void)
137 {
138         return platform_driver_register(&innovator1610_panel_driver);
139 }
140
141 static void innovator1610_panel_drv_cleanup(void)
142 {
143         platform_driver_unregister(&innovator1610_panel_driver);
144 }
145
146 module_init(innovator1610_panel_drv_init);
147 module_exit(innovator1610_panel_drv_cleanup);
148