diff options
Diffstat (limited to 'arch/arm/mach-pxa/e750_lcd.c')
-rw-r--r-- | arch/arm/mach-pxa/e750_lcd.c | 109 |
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 new file mode 100644 index 000000000000..75edc3b5390f --- /dev/null +++ b/arch/arm/mach-pxa/e750_lcd.c | |||
@@ -0,0 +1,109 @@ | |||
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 | |||
24 | static 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 | |||
33 | static 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 | |||
58 | static 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 | |||
67 | static 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 | |||
76 | static 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 | |||
87 | static 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 | |||
97 | static 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 | |||
105 | module_init(e750_lcd_init); | ||
106 | |||
107 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); | ||
108 | MODULE_DESCRIPTION("e750 lcd driver"); | ||
109 | MODULE_LICENSE("GPLv2"); | ||