diff options
Diffstat (limited to 'arch/arm/mach-pxa/e800_lcd.c')
-rw-r--r-- | arch/arm/mach-pxa/e800_lcd.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/e800_lcd.c b/arch/arm/mach-pxa/e800_lcd.c new file mode 100644 index 000000000000..e6aeab0ebc22 --- /dev/null +++ b/arch/arm/mach-pxa/e800_lcd.c | |||
@@ -0,0 +1,159 @@ | |||
1 | /* e800_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 e800_lcd_regs = { | ||
25 | .lcd_format = 0x00008003, | ||
26 | .lcdd_cntl1 = 0x02a00000, | ||
27 | .lcdd_cntl2 = 0x0003ffff, | ||
28 | .genlcd_cntl1 = 0x000ff2a3, | ||
29 | .genlcd_cntl2 = 0x000002a3, | ||
30 | .genlcd_cntl3 = 0x000102aa, | ||
31 | }; | ||
32 | |||
33 | static struct w100_mode e800_lcd_mode[2] = { | ||
34 | [0] = { | ||
35 | .xres = 480, | ||
36 | .yres = 640, | ||
37 | .left_margin = 52, | ||
38 | .right_margin = 148, | ||
39 | .upper_margin = 2, | ||
40 | .lower_margin = 6, | ||
41 | .crtc_ss = 0x80350034, | ||
42 | .crtc_ls = 0x802b0026, | ||
43 | .crtc_gs = 0x80160016, | ||
44 | .crtc_vpos_gs = 0x00020003, | ||
45 | .crtc_rev = 0x0040001d, | ||
46 | .crtc_dclk = 0xe0000000, | ||
47 | .crtc_gclk = 0x82a50049, | ||
48 | .crtc_goe = 0x80ee001c, | ||
49 | .crtc_ps1_active = 0x00000000, | ||
50 | .pll_freq = 128, | ||
51 | .pixclk_divider = 4, | ||
52 | .pixclk_divider_rotated = 6, | ||
53 | .pixclk_src = CLK_SRC_PLL, | ||
54 | .sysclk_divider = 0, | ||
55 | .sysclk_src = CLK_SRC_PLL, | ||
56 | }, | ||
57 | [1] = { | ||
58 | .xres = 240, | ||
59 | .yres = 320, | ||
60 | .left_margin = 15, | ||
61 | .right_margin = 88, | ||
62 | .upper_margin = 0, | ||
63 | .lower_margin = 7, | ||
64 | .crtc_ss = 0xd010000f, | ||
65 | .crtc_ls = 0x80070003, | ||
66 | .crtc_gs = 0x80000000, | ||
67 | .crtc_vpos_gs = 0x01460147, | ||
68 | .crtc_rev = 0x00400003, | ||
69 | .crtc_dclk = 0xa1700030, | ||
70 | .crtc_gclk = 0x814b0008, | ||
71 | .crtc_goe = 0x80cc0015, | ||
72 | .crtc_ps1_active = 0x00000000, | ||
73 | .pll_freq = 100, | ||
74 | .pixclk_divider = 6, /* Wince uses 14 which gives a 7MHz pclk. */ | ||
75 | .pixclk_divider_rotated = 6, /* we want a 14MHz one (much nicer to look at) */ | ||
76 | .pixclk_src = CLK_SRC_PLL, | ||
77 | .sysclk_divider = 0, | ||
78 | .sysclk_src = CLK_SRC_PLL, | ||
79 | } | ||
80 | }; | ||
81 | |||
82 | |||
83 | static struct w100_gpio_regs e800_w100_gpio_info = { | ||
84 | .init_data1 = 0xc13fc019, | ||
85 | .gpio_dir1 = 0x3e40df7f, | ||
86 | .gpio_oe1 = 0x003c3000, | ||
87 | .init_data2 = 0x00000000, | ||
88 | .gpio_dir2 = 0x00000000, | ||
89 | .gpio_oe2 = 0x00000000, | ||
90 | }; | ||
91 | |||
92 | static struct w100_mem_info e800_w100_mem_info = { | ||
93 | .ext_cntl = 0x09640011, | ||
94 | .sdram_mode_reg = 0x00600021, | ||
95 | .ext_timing_cntl = 0x10001545, | ||
96 | .io_cntl = 0x7ddd7333, | ||
97 | .size = 0x1fffff, | ||
98 | }; | ||
99 | |||
100 | static void e800_tg_change(struct w100fb_par *par) | ||
101 | { | ||
102 | unsigned long tmp; | ||
103 | |||
104 | tmp = w100fb_gpio_read(W100_GPIO_PORT_A); | ||
105 | if (par->mode->xres == 480) | ||
106 | tmp |= 0x100; | ||
107 | else | ||
108 | tmp &= ~0x100; | ||
109 | w100fb_gpio_write(W100_GPIO_PORT_A, tmp); | ||
110 | } | ||
111 | |||
112 | static struct w100_tg_info e800_tg_info = { | ||
113 | .change = e800_tg_change, | ||
114 | }; | ||
115 | |||
116 | static struct w100fb_mach_info e800_fb_info = { | ||
117 | .modelist = e800_lcd_mode, | ||
118 | .num_modes = 2, | ||
119 | .regs = &e800_lcd_regs, | ||
120 | .gpio = &e800_w100_gpio_info, | ||
121 | .mem = &e800_w100_mem_info, | ||
122 | .tg = &e800_tg_info, | ||
123 | .xtal_freq = 16000000, | ||
124 | }; | ||
125 | |||
126 | static struct resource e800_fb_resources[] = { | ||
127 | [0] = { | ||
128 | .start = 0x0c000000, | ||
129 | .end = 0x0cffffff, | ||
130 | .flags = IORESOURCE_MEM, | ||
131 | }, | ||
132 | }; | ||
133 | |||
134 | /* ----------------------- device declarations -------------------------- */ | ||
135 | |||
136 | |||
137 | static struct platform_device e800_fb_device = { | ||
138 | .name = "w100fb", | ||
139 | .id = -1, | ||
140 | .dev = { | ||
141 | .platform_data = &e800_fb_info, | ||
142 | }, | ||
143 | .num_resources = ARRAY_SIZE(e800_fb_resources), | ||
144 | .resource = e800_fb_resources, | ||
145 | }; | ||
146 | |||
147 | static int e800_lcd_init(void) | ||
148 | { | ||
149 | if (!machine_is_e800()) | ||
150 | return -ENODEV; | ||
151 | |||
152 | return platform_device_register(&e800_fb_device); | ||
153 | } | ||
154 | |||
155 | module_init(e800_lcd_init); | ||
156 | |||
157 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); | ||
158 | MODULE_DESCRIPTION("e800 lcd driver"); | ||
159 | MODULE_LICENSE("GPLv2"); | ||