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