/* * 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; }; r'>AgeCommit message (Expand)AuthorFilesLines