/* *  Support for the w100 frame buffer. * *  Copyright (c) 2004-2005 Richard Purdie *  Copyright (c) 2005 Ian Molton * *  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. */ #define W100_GPIO_PORT_A	0#define W100_GPIO_PORT_B	1 #define CLK_SRC_XTAL  0#define CLK_SRC_PLL   1 struct w100fb_par; unsigned long w100fb_gpio_read(int port);void w100fb_gpio_write(int port, unsigned long value);unsigned long w100fb_get_hsynclen(struct device *dev); /* LCD Specific Routines and Config */struct w100_tg_info {	void (*change)(struct w100fb_par*);	void (*suspend)(struct w100fb_par*);	void (*resume)(struct w100fb_par*);}; /* General Platform Specific w100 Register Values */struct w100_gen_regs {	unsigned long lcd_format;	unsigned long lcdd_cntl1;	unsigned long lcdd_cntl2;	unsigned long genlcd_cntl1;	unsigned long genlcd_cntl2;	unsigned long genlcd_cntl3;}; struct w100_gpio_regs {	unsigned long init_data1;	unsigned long init_data2;	unsigned long gpio_dir1;	unsigned long gpio_oe1;	unsigned long gpio_dir2;	unsigned long gpio_oe2;}; /* Optional External Memory Configuration */struct w100_mem_info {	unsigned long ext_cntl;	unsigned long sdram_mode_reg;	unsigned long ext_timing_cntl;	unsigned long io_cntl;	unsigned int size;}; struct w100_bm_mem_info {	unsigned long ext_mem_bw;	unsigned long offset;	unsigned long ext_timing_ctl;	unsigned long ext_cntl;	unsigned long mode_reg;	unsigned long io_cntl;	unsigned long config;}; /* LCD Mode definition */struct w100_mode {	unsigned int xres;	unsigned int yres;	unsigned short left_margin;	unsigned short right_margin;	unsigned short upper_margin;	unsigned short lower_margin;	unsigned long crtc_ss;	unsigned long crtc_ls;	unsigned long crtc_gs;	unsigned long crtc_vpos_gs;	unsigned long crtc_rev;	unsigned long crtc_dclk;	unsigned long crtc_gclk;	unsigned long crtc_goe;	unsigned long crtc_ps1_active;	char pll_freq;	char fast_pll_freq;	int sysclk_src;	int sysclk_divider;	int pixclk_src;	int pixclk_divider;	int pixclk_divider_rotated;}; struct w100_pll_info {	uint16_t freq;  /* desired Fout for PLL (Mhz) */	uint8_t M;      /* input divider */	uint8_t N_int;  /* VCO multiplier */	uint8_t N_fac;  /* VCO multiplier fractional part */	uint8_t tfgoal;	uint8_t lock_time;}; /* Initial Video mode orientation flags */#define INIT_MODE_ROTATED  0x1#define INIT_MODE_FLIPPED  0x2 /* * This structure describes the machine which we are running on. * It is set by machine specific code and used in the probe routine * of drivers/video/w100fb.c */struct w100fb_mach_info {	/* General Platform Specific Registers */	struct w100_gen_regs *regs;	/* Table of modes the LCD is capable of */	struct w100_mode *modelist;	unsigned int num_modes;	/* Hooks for any platform specific tg/lcd code (optional) */	struct w100_tg_info *tg;	/* External memory definition (if present) */	struct w100_mem_info *mem;	/* Additional External memory definition (if present) */	struct w100_bm_mem_info *bm_mem;	/* GPIO definitions (optional) */	struct w100_gpio_regs *gpio;	/* Initial Mode flags */	unsigned int init_mode;	/* Xtal Frequency */	unsigned int xtal_freq;	/* Enable Xtal input doubler (1 == enable) */	unsigned int xtal_dbl;}; /* General frame buffer data structure */struct w100fb_par {	unsigned int chip_id;	unsigned int xres;	unsigned int yres;	unsigned int extmem_active;	unsigned int flip;	unsigned int blanked;	unsigned int fastpll_mode;	unsigned long hsync_len;	struct w100_mode *mode;	struct w100_pll_info *pll_table;	struct w100fb_mach_info *mach;	uint32_t *saved_intmem;	uint32_t *saved_extmem;};