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TOMOYO Linux Cross Reference
Linux/include/video/w100fb.h

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  1 /*
  2  *  Support for the w100 frame buffer.
  3  *
  4  *  Copyright (c) 2004-2005 Richard Purdie
  5  *  Copyright (c) 2005 Ian Molton
  6  *
  7  *  This program is free software; you can redistribute it and/or modify
  8  *  it under the terms of the GNU General Public License version 2 as
  9  *  published by the Free Software Foundation.
 10  */
 11 
 12 #define W100_GPIO_PORT_A        0
 13 #define W100_GPIO_PORT_B        1
 14 
 15 #define CLK_SRC_XTAL  0
 16 #define CLK_SRC_PLL   1
 17 
 18 struct w100fb_par;
 19 
 20 unsigned long w100fb_gpio_read(int port);
 21 void w100fb_gpio_write(int port, unsigned long value);
 22 unsigned long w100fb_get_hsynclen(struct device *dev);
 23 
 24 /* LCD Specific Routines and Config */
 25 struct w100_tg_info {
 26         void (*change)(struct w100fb_par*);
 27         void (*suspend)(struct w100fb_par*);
 28         void (*resume)(struct w100fb_par*);
 29 };
 30 
 31 /* General Platform Specific w100 Register Values */
 32 struct w100_gen_regs {
 33         unsigned long lcd_format;
 34         unsigned long lcdd_cntl1;
 35         unsigned long lcdd_cntl2;
 36         unsigned long genlcd_cntl1;
 37         unsigned long genlcd_cntl2;
 38         unsigned long genlcd_cntl3;
 39 };
 40 
 41 struct w100_gpio_regs {
 42         unsigned long init_data1;
 43         unsigned long init_data2;
 44         unsigned long gpio_dir1;
 45         unsigned long gpio_oe1;
 46         unsigned long gpio_dir2;
 47         unsigned long gpio_oe2;
 48 };
 49 
 50 /* Optional External Memory Configuration */
 51 struct w100_mem_info {
 52         unsigned long ext_cntl;
 53         unsigned long sdram_mode_reg;
 54         unsigned long ext_timing_cntl;
 55         unsigned long io_cntl;
 56         unsigned int size;
 57 };
 58 
 59 struct w100_bm_mem_info {
 60         unsigned long ext_mem_bw;
 61         unsigned long offset;
 62         unsigned long ext_timing_ctl;
 63         unsigned long ext_cntl;
 64         unsigned long mode_reg;
 65         unsigned long io_cntl;
 66         unsigned long config;
 67 };
 68 
 69 /* LCD Mode definition */
 70 struct w100_mode {
 71         unsigned int xres;
 72         unsigned int yres;
 73         unsigned short left_margin;
 74         unsigned short right_margin;
 75         unsigned short upper_margin;
 76         unsigned short lower_margin;
 77         unsigned long crtc_ss;
 78         unsigned long crtc_ls;
 79         unsigned long crtc_gs;
 80         unsigned long crtc_vpos_gs;
 81         unsigned long crtc_rev;
 82         unsigned long crtc_dclk;
 83         unsigned long crtc_gclk;
 84         unsigned long crtc_goe;
 85         unsigned long crtc_ps1_active;
 86         char pll_freq;
 87         char fast_pll_freq;
 88         int sysclk_src;
 89         int sysclk_divider;
 90         int pixclk_src;
 91         int pixclk_divider;
 92         int pixclk_divider_rotated;
 93 };
 94 
 95 struct w100_pll_info {
 96         uint16_t freq;  /* desired Fout for PLL (Mhz) */
 97         uint8_t M;      /* input divider */
 98         uint8_t N_int;  /* VCO multiplier */
 99         uint8_t N_fac;  /* VCO multiplier fractional part */
100         uint8_t tfgoal;
101         uint8_t lock_time;
102 };
103 
104 /* Initial Video mode orientation flags */
105 #define INIT_MODE_ROTATED  0x1
106 #define INIT_MODE_FLIPPED  0x2
107 
108 /*
109  * This structure describes the machine which we are running on.
110  * It is set by machine specific code and used in the probe routine
111  * of drivers/video/w100fb.c
112  */
113 struct w100fb_mach_info {
114         /* General Platform Specific Registers */
115         struct w100_gen_regs *regs;
116         /* Table of modes the LCD is capable of */
117         struct w100_mode *modelist;
118         unsigned int num_modes;
119         /* Hooks for any platform specific tg/lcd code (optional) */
120         struct w100_tg_info *tg;
121         /* External memory definition (if present) */
122         struct w100_mem_info *mem;
123         /* Additional External memory definition (if present) */
124         struct w100_bm_mem_info *bm_mem;
125         /* GPIO definitions (optional) */
126         struct w100_gpio_regs *gpio;
127         /* Initial Mode flags */
128         unsigned int init_mode;
129         /* Xtal Frequency */
130         unsigned int xtal_freq;
131         /* Enable Xtal input doubler (1 == enable) */
132         unsigned int xtal_dbl;
133 };
134 
135 /* General frame buffer data structure */
136 struct w100fb_par {
137         unsigned int chip_id;
138         unsigned int xres;
139         unsigned int yres;
140         unsigned int extmem_active;
141         unsigned int flip;
142         unsigned int blanked;
143         unsigned int fastpll_mode;
144         unsigned long hsync_len;
145         struct w100_mode *mode;
146         struct w100_pll_info *pll_table;
147         struct w100fb_mach_info *mach;
148         uint32_t *saved_intmem;
149         uint32_t *saved_extmem;
150 };
151 

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