/* e800_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> static struct w100_gen_regs e800_lcd_regs = { .lcd_format = 0x00008003, .lcdd_cntl1 = 0x02a00000, .lcdd_cntl2 = 0x0003ffff, .genlcd_cntl1 = 0x000ff2a3, .genlcd_cntl2 = 0x000002a3, .genlcd_cntl3 = 0x000102aa, }; static struct w100_mode e800_lcd_mode[2] = { [0] = { .xres = 480, .yres = 640, .left_margin = 52, .right_margin = 148, .upper_margin = 2, .lower_margin = 6, .crtc_ss = 0x80350034, .crtc_ls = 0x802b0026, .crtc_gs = 0x80160016, .crtc_vpos_gs = 0x00020003, .crtc_rev = 0x0040001d, .crtc_dclk = 0xe0000000, .crtc_gclk = 0x82a50049, .crtc_goe = 0x80ee001c, .crtc_ps1_active = 0x00000000, .pll_freq = 128, .pixclk_divider = 4, .pixclk_divider_rotated = 6, .pixclk_src = CLK_SRC_PLL, .sysclk_divider = 0, .sysclk_src = CLK_SRC_PLL, }, [1] = { .xres = 240, .yres = 320, .left_margin = 15, .right_margin = 88, .upper_margin = 0, .lower_margin = 7, .crtc_ss = 0xd010000f, .crtc_ls = 0x80070003, .crtc_gs = 0x80000000, .crtc_vpos_gs = 0x01460147, .crtc_rev = 0x00400003, .crtc_dclk = 0xa1700030, .crtc_gclk = 0x814b0008, .crtc_goe = 0x80cc0015, .crtc_ps1_active = 0x00000000, .pll_freq = 100, .pixclk_divider = 6, /* Wince uses 14 which gives a 7MHz pclk. */ .pixclk_divider_rotated = 6, /* we want a 14MHz one (much nicer to look at) */ .pixclk_src = CLK_SRC_PLL, .sysclk_divider = 0, .sysclk_src = CLK_SRC_PLL, } }; static struct w100_gpio_regs e800_w100_gpio_info = { .init_data1 = 0xc13fc019, .gpio_dir1 = 0x3e40df7f, .gpio_oe1 = 0x003c3000, .init_data2 = 0x00000000, .gpio_dir2 = 0x00000000, .gpio_oe2 = 0x00000000, }; static struct w100_mem_info e800_w100_mem_info = { .ext_cntl = 0x09640011, .sdram_mode_reg = 0x00600021, .ext_timing_cntl = 0x10001545, .io_cntl = 0x7ddd7333, .size = 0x1fffff, }; static void e800_tg_change(struct w100fb_par *par) { unsigned long tmp; tmp = w100fb_gpio_read(W100_GPIO_PORT_A); if (par->mode->xres == 480) tmp |= 0x100; else tmp &= ~0x100; w100fb_gpio_write(W100_GPIO_PORT_A, tmp); } static struct w100_tg_info e800_tg_info = { .change = e800_tg_change, }; static struct w100fb_mach_info e800_fb_info = { .modelist = e800_lcd_mode, .num_modes = 2, .regs = &e800_lcd_regs, .gpio = &e800_w100_gpio_info, .mem = &e800_w100_mem_info, .tg = &e800_tg_info, .xtal_freq = 16000000, }; static struct resource e800_fb_resources[] = { [0] = { .start = 0x0c000000, .end = 0x0cffffff, .flags = IORESOURCE_MEM, }, }; /* ----------------------- device declarations -------------------------- */ static struct platform_device e800_fb_device = { .name = "w100fb", .id = -1, .dev = { .platform_data = &e800_fb_info, }, .num_resources = ARRAY_SIZE(e800_fb_resources), .resource = e800_fb_resources, }; static int e800_lcd_init(void) { if (!machine_is_e800()) return -ENODEV; return platform_device_register(&e800_fb_device); } module_init(e800_lcd_init); MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); MODULE_DESCRIPTION("e800 lcd driver"); MODULE_LICENSE("GPLv2");