diff options
Diffstat (limited to 'drivers/video/fbdev/omap/lcd_osk.c')
-rw-r--r-- | drivers/video/fbdev/omap/lcd_osk.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap/lcd_osk.c b/drivers/video/fbdev/omap/lcd_osk.c new file mode 100644 index 000000000000..7fbe04bce0ed --- /dev/null +++ b/drivers/video/fbdev/omap/lcd_osk.c | |||
@@ -0,0 +1,133 @@ | |||
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 <asm/gpio.h> | ||
27 | |||
28 | #include <mach/hardware.h> | ||
29 | #include <mach/mux.h> | ||
30 | |||
31 | #include "omapfb.h" | ||
32 | |||
33 | static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) | ||
34 | { | ||
35 | /* gpio2 was allocated in board init */ | ||
36 | return 0; | ||
37 | } | ||
38 | |||
39 | static void osk_panel_cleanup(struct lcd_panel *panel) | ||
40 | { | ||
41 | } | ||
42 | |||
43 | static int osk_panel_enable(struct lcd_panel *panel) | ||
44 | { | ||
45 | /* configure PWL pin */ | ||
46 | omap_cfg_reg(PWL); | ||
47 | |||
48 | /* Enable PWL unit */ | ||
49 | omap_writeb(0x01, OMAP_PWL_CLK_ENABLE); | ||
50 | |||
51 | /* Set PWL level */ | ||
52 | omap_writeb(0xFF, OMAP_PWL_ENABLE); | ||
53 | |||
54 | /* set GPIO2 high (lcd power enabled) */ | ||
55 | gpio_set_value(2, 1); | ||
56 | |||
57 | return 0; | ||
58 | } | ||
59 | |||
60 | static void osk_panel_disable(struct lcd_panel *panel) | ||
61 | { | ||
62 | /* Set PWL level to zero */ | ||
63 | omap_writeb(0x00, OMAP_PWL_ENABLE); | ||
64 | |||
65 | /* Disable PWL unit */ | ||
66 | omap_writeb(0x00, OMAP_PWL_CLK_ENABLE); | ||
67 | |||
68 | /* set GPIO2 low */ | ||
69 | gpio_set_value(2, 0); | ||
70 | } | ||
71 | |||
72 | static unsigned long osk_panel_get_caps(struct lcd_panel *panel) | ||
73 | { | ||
74 | return 0; | ||
75 | } | ||
76 | |||
77 | struct lcd_panel osk_panel = { | ||
78 | .name = "osk", | ||
79 | .config = OMAP_LCDC_PANEL_TFT, | ||
80 | |||
81 | .bpp = 16, | ||
82 | .data_lines = 16, | ||
83 | .x_res = 240, | ||
84 | .y_res = 320, | ||
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 = osk_panel_init, | ||
95 | .cleanup = osk_panel_cleanup, | ||
96 | .enable = osk_panel_enable, | ||
97 | .disable = osk_panel_disable, | ||
98 | .get_caps = osk_panel_get_caps, | ||
99 | }; | ||
100 | |||
101 | static int osk_panel_probe(struct platform_device *pdev) | ||
102 | { | ||
103 | omapfb_register_panel(&osk_panel); | ||
104 | return 0; | ||
105 | } | ||
106 | |||
107 | static int osk_panel_remove(struct platform_device *pdev) | ||
108 | { | ||
109 | return 0; | ||
110 | } | ||
111 | |||
112 | static int osk_panel_suspend(struct platform_device *pdev, pm_message_t mesg) | ||
113 | { | ||
114 | return 0; | ||
115 | } | ||
116 | |||
117 | static int osk_panel_resume(struct platform_device *pdev) | ||
118 | { | ||
119 | return 0; | ||
120 | } | ||
121 | |||
122 | static struct platform_driver osk_panel_driver = { | ||
123 | .probe = osk_panel_probe, | ||
124 | .remove = osk_panel_remove, | ||
125 | .suspend = osk_panel_suspend, | ||
126 | .resume = osk_panel_resume, | ||
127 | .driver = { | ||
128 | .name = "lcd_osk", | ||
129 | .owner = THIS_MODULE, | ||
130 | }, | ||
131 | }; | ||
132 | |||
133 | module_platform_driver(osk_panel_driver); | ||