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-rw-r--r--arch/arm/mach-pxa/e750_lcd.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/e750_lcd.c b/arch/arm/mach-pxa/e750_lcd.c
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1/* e750_lcd.c
2 *
3 * This file contains the definitions for the LCD timings and functions
4 * to control the LCD power / frontlighting via the w100fb driver.
5 *
6 * (c) 2005 Ian Molton <spyro@f2s.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 */
13
14#include <linux/module.h>
15#include <linux/device.h>
16#include <linux/fb.h>
17#include <linux/err.h>
18#include <linux/platform_device.h>
19
20#include <asm/mach-types.h>
21
22#include <video/w100fb.h>
23
24static struct w100_gen_regs e750_lcd_regs = {
25 .lcd_format = 0x00008003,
26 .lcdd_cntl1 = 0x00000000,
27 .lcdd_cntl2 = 0x0003ffff,
28 .genlcd_cntl1 = 0x00fff003,
29 .genlcd_cntl2 = 0x003c0f03,
30 .genlcd_cntl3 = 0x000143aa,
31};
32
33static struct w100_mode e750_lcd_mode = {
34 .xres = 240,
35 .yres = 320,
36 .left_margin = 21,
37 .right_margin = 22,
38 .upper_margin = 5,
39 .lower_margin = 4,
40 .crtc_ss = 0x80150014,
41 .crtc_ls = 0x8014000d,
42 .crtc_gs = 0xc1000005,
43 .crtc_vpos_gs = 0x00020147,
44 .crtc_rev = 0x0040010a,
45 .crtc_dclk = 0xa1700030,
46 .crtc_gclk = 0x80cc0015,
47 .crtc_goe = 0x80cc0015,
48 .crtc_ps1_active = 0x61060017,
49 .pll_freq = 57,
50 .pixclk_divider = 4,
51 .pixclk_divider_rotated = 4,
52 .pixclk_src = CLK_SRC_XTAL,
53 .sysclk_divider = 1,
54 .sysclk_src = CLK_SRC_PLL,
55};
56
57
58static struct w100_gpio_regs e750_w100_gpio_info = {
59 .init_data1 = 0x01192f1b,
60 .gpio_dir1 = 0xd5ffdeff,
61 .gpio_oe1 = 0x000020bf,
62 .init_data2 = 0x010f010f,
63 .gpio_dir2 = 0xffffffff,
64 .gpio_oe2 = 0x000001cf,
65};
66
67static struct w100fb_mach_info e750_fb_info = {
68 .modelist = &e750_lcd_mode,
69 .num_modes = 1,
70 .regs = &e750_lcd_regs,
71 .gpio = &e750_w100_gpio_info,
72 .xtal_freq = 14318000,
73 .xtal_dbl = 1,
74};
75
76static struct resource e750_fb_resources[] = {
77 [0] = {
78 .start = 0x0c000000,
79 .end = 0x0cffffff,
80 .flags = IORESOURCE_MEM,
81 },
82};
83
84/* ----------------------- device declarations -------------------------- */
85
86
87static struct platform_device e750_fb_device = {
88 .name = "w100fb",
89 .id = -1,
90 .dev = {
91 .platform_data = &e750_fb_info,
92 },
93 .num_resources = ARRAY_SIZE(e750_fb_resources),
94 .resource = e750_fb_resources,
95};
96
97static int e750_lcd_init(void)
98{
99 if (!machine_is_e750())
100 return -ENODEV;
101
102 return platform_device_register(&e750_fb_device);
103}
104
105module_init(e750_lcd_init);
106
107MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
108MODULE_DESCRIPTION("e750 lcd driver");
109MODULE_LICENSE("GPLv2");