forked from luck/tmp_suning_uos_patched
124 lines
3.0 KiB
C
124 lines
3.0 KiB
C
/* e740_lcd.c
|
|
*
|
|
* This file contains the definitions for the LCD timings and functions
|
|
* to control the LCD power / frontlighting via the w100fb driver.
|
|
*
|
|
* (c) 2005 Ian Molton <spyro@f2s.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/device.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/err.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <video/w100fb.h>
|
|
|
|
/*
|
|
**potential** shutdown routine - to be investigated
|
|
devmem2 0x0c010528 w 0xff3fff00
|
|
devmem2 0x0c010190 w 0x7FFF8000
|
|
devmem2 0x0c0101b0 w 0x00FF0000
|
|
devmem2 0x0c01008c w 0x00000000
|
|
devmem2 0x0c010080 w 0x000000bf
|
|
devmem2 0x0c010098 w 0x00000015
|
|
devmem2 0x0c010088 w 0x4b000204
|
|
devmem2 0x0c010098 w 0x0000001d
|
|
*/
|
|
|
|
static struct w100_gen_regs e740_lcd_regs = {
|
|
.lcd_format = 0x00008023,
|
|
.lcdd_cntl1 = 0x0f000000,
|
|
.lcdd_cntl2 = 0x0003ffff,
|
|
.genlcd_cntl1 = 0x00ffff03,
|
|
.genlcd_cntl2 = 0x003c0f03,
|
|
.genlcd_cntl3 = 0x000143aa,
|
|
};
|
|
|
|
static struct w100_mode e740_lcd_mode = {
|
|
.xres = 240,
|
|
.yres = 320,
|
|
.left_margin = 20,
|
|
.right_margin = 28,
|
|
.upper_margin = 9,
|
|
.lower_margin = 8,
|
|
.crtc_ss = 0x80140013,
|
|
.crtc_ls = 0x81150110,
|
|
.crtc_gs = 0x80050005,
|
|
.crtc_vpos_gs = 0x000a0009,
|
|
.crtc_rev = 0x0040010a,
|
|
.crtc_dclk = 0xa906000a,
|
|
.crtc_gclk = 0x80050108,
|
|
.crtc_goe = 0x80050108,
|
|
.pll_freq = 57,
|
|
.pixclk_divider = 4,
|
|
.pixclk_divider_rotated = 4,
|
|
.pixclk_src = CLK_SRC_XTAL,
|
|
.sysclk_divider = 1,
|
|
.sysclk_src = CLK_SRC_PLL,
|
|
.crtc_ps1_active = 0x41060010,
|
|
};
|
|
|
|
|
|
static struct w100_gpio_regs e740_w100_gpio_info = {
|
|
.init_data1 = 0x21002103,
|
|
.gpio_dir1 = 0xffffdeff,
|
|
.gpio_oe1 = 0x03c00643,
|
|
.init_data2 = 0x003f003f,
|
|
.gpio_dir2 = 0xffffffff,
|
|
.gpio_oe2 = 0x000000ff,
|
|
};
|
|
|
|
static struct w100fb_mach_info e740_fb_info = {
|
|
.modelist = &e740_lcd_mode,
|
|
.num_modes = 1,
|
|
.regs = &e740_lcd_regs,
|
|
.gpio = &e740_w100_gpio_info,
|
|
.xtal_freq = 14318000,
|
|
.xtal_dbl = 1,
|
|
};
|
|
|
|
static struct resource e740_fb_resources[] = {
|
|
[0] = {
|
|
.start = 0x0c000000,
|
|
.end = 0x0cffffff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
/* ----------------------- device declarations -------------------------- */
|
|
|
|
|
|
static struct platform_device e740_fb_device = {
|
|
.name = "w100fb",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &e740_fb_info,
|
|
},
|
|
.num_resources = ARRAY_SIZE(e740_fb_resources),
|
|
.resource = e740_fb_resources,
|
|
};
|
|
|
|
static int e740_lcd_init(void)
|
|
{
|
|
int ret;
|
|
|
|
if (!machine_is_e740())
|
|
return -ENODEV;
|
|
|
|
return platform_device_register(&e740_fb_device);
|
|
}
|
|
|
|
module_init(e740_lcd_init);
|
|
|
|
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
|
|
MODULE_DESCRIPTION("e740 lcd driver");
|
|
MODULE_LICENSE("GPLv2");
|