diff options
Diffstat (limited to 'kernel/include/video/w100fb.h')
| -rw-r--r-- | kernel/include/video/w100fb.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/kernel/include/video/w100fb.h b/kernel/include/video/w100fb.h new file mode 100644 index 000000000..677d40326 --- /dev/null +++ b/kernel/include/video/w100fb.h @@ -0,0 +1,150 @@ +/* + * 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; +}; |