3 * This file contains the definitions for the LCD timings and functions
4 * to control the LCD power / frontlighting via the w100fb driver.
6 * (c) 2005 Ian Molton <spyro@f2s.com>
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.
14 #include <linux/module.h>
15 #include <linux/device.h>
17 #include <linux/err.h>
18 #include <linux/platform_device.h>
20 #include <asm/mach-types.h>
22 #include <video/w100fb.h>
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,
33 static struct w100_mode e800_lcd_mode
[2] = {
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,
52 .pixclk_divider_rotated
= 6,
53 .pixclk_src
= CLK_SRC_PLL
,
55 .sysclk_src
= CLK_SRC_PLL
,
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,
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
,
78 .sysclk_src
= CLK_SRC_PLL
,
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,
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,
100 static void e800_tg_change(struct w100fb_par
*par
)
104 tmp
= w100fb_gpio_read(W100_GPIO_PORT_A
);
105 if (par
->mode
->xres
== 480)
109 w100fb_gpio_write(W100_GPIO_PORT_A
, tmp
);
112 static struct w100_tg_info e800_tg_info
= {
113 .change
= e800_tg_change
,
116 static struct w100fb_mach_info e800_fb_info
= {
117 .modelist
= e800_lcd_mode
,
119 .regs
= &e800_lcd_regs
,
120 .gpio
= &e800_w100_gpio_info
,
121 .mem
= &e800_w100_mem_info
,
123 .xtal_freq
= 16000000,
126 static struct resource e800_fb_resources
[] = {
130 .flags
= IORESOURCE_MEM
,
134 /* ----------------------- device declarations -------------------------- */
137 static struct platform_device e800_fb_device
= {
141 .platform_data
= &e800_fb_info
,
143 .num_resources
= ARRAY_SIZE(e800_fb_resources
),
144 .resource
= e800_fb_resources
,
147 static int e800_lcd_init(void)
149 if (!machine_is_e800())
152 return platform_device_register(&e800_fb_device
);
155 module_init(e800_lcd_init
);
157 MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
158 MODULE_DESCRIPTION("e800 lcd driver");
159 MODULE_LICENSE("GPLv2");