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

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  1 /* SPDX-License-Identifier: GPL-2.0-only */
  2 /*
  3  *  Support for the w100 frame buffer.
  4  *
  5  *  Copyright (c) 2004-2005 Richard Purdie
  6  *  Copyright (c) 2005 Ian Molton
  7  */
  8 
  9 #define W100_GPIO_PORT_A        0
 10 #define W100_GPIO_PORT_B        1
 11 
 12 #define CLK_SRC_XTAL  0
 13 #define CLK_SRC_PLL   1
 14 
 15 struct w100fb_par;
 16 
 17 unsigned long w100fb_gpio_read(int port);
 18 void w100fb_gpio_write(int port, unsigned long value);
 19 unsigned long w100fb_get_hsynclen(struct device *dev);
 20 
 21 /* LCD Specific Routines and Config */
 22 struct w100_tg_info {
 23         void (*change)(struct w100fb_par*);
 24         void (*suspend)(struct w100fb_par*);
 25         void (*resume)(struct w100fb_par*);
 26 };
 27 
 28 /* General Platform Specific w100 Register Values */
 29 struct w100_gen_regs {
 30         unsigned long lcd_format;
 31         unsigned long lcdd_cntl1;
 32         unsigned long lcdd_cntl2;
 33         unsigned long genlcd_cntl1;
 34         unsigned long genlcd_cntl2;
 35         unsigned long genlcd_cntl3;
 36 };
 37 
 38 struct w100_gpio_regs {
 39         unsigned long init_data1;
 40         unsigned long init_data2;
 41         unsigned long gpio_dir1;
 42         unsigned long gpio_oe1;
 43         unsigned long gpio_dir2;
 44         unsigned long gpio_oe2;
 45 };
 46 
 47 /* Optional External Memory Configuration */
 48 struct w100_mem_info {
 49         unsigned long ext_cntl;
 50         unsigned long sdram_mode_reg;
 51         unsigned long ext_timing_cntl;
 52         unsigned long io_cntl;
 53         unsigned int size;
 54 };
 55 
 56 struct w100_bm_mem_info {
 57         unsigned long ext_mem_bw;
 58         unsigned long offset;
 59         unsigned long ext_timing_ctl;
 60         unsigned long ext_cntl;
 61         unsigned long mode_reg;
 62         unsigned long io_cntl;
 63         unsigned long config;
 64 };
 65 
 66 /* LCD Mode definition */
 67 struct w100_mode {
 68         unsigned int xres;
 69         unsigned int yres;
 70         unsigned short left_margin;
 71         unsigned short right_margin;
 72         unsigned short upper_margin;
 73         unsigned short lower_margin;
 74         unsigned long crtc_ss;
 75         unsigned long crtc_ls;
 76         unsigned long crtc_gs;
 77         unsigned long crtc_vpos_gs;
 78         unsigned long crtc_rev;
 79         unsigned long crtc_dclk;
 80         unsigned long crtc_gclk;
 81         unsigned long crtc_goe;
 82         unsigned long crtc_ps1_active;
 83         char pll_freq;
 84         char fast_pll_freq;
 85         int sysclk_src;
 86         int sysclk_divider;
 87         int pixclk_src;
 88         int pixclk_divider;
 89         int pixclk_divider_rotated;
 90 };
 91 
 92 struct w100_pll_info {
 93         uint16_t freq;  /* desired Fout for PLL (Mhz) */
 94         uint8_t M;      /* input divider */
 95         uint8_t N_int;  /* VCO multiplier */
 96         uint8_t N_fac;  /* VCO multiplier fractional part */
 97         uint8_t tfgoal;
 98         uint8_t lock_time;
 99 };
100 
101 /* Initial Video mode orientation flags */
102 #define INIT_MODE_ROTATED  0x1
103 #define INIT_MODE_FLIPPED  0x2
104 
105 /*
106  * This structure describes the machine which we are running on.
107  * It is set by machine specific code and used in the probe routine
108  * of drivers/video/w100fb.c
109  */
110 struct w100fb_mach_info {
111         /* General Platform Specific Registers */
112         struct w100_gen_regs *regs;
113         /* Table of modes the LCD is capable of */
114         struct w100_mode *modelist;
115         unsigned int num_modes;
116         /* Hooks for any platform specific tg/lcd code (optional) */
117         struct w100_tg_info *tg;
118         /* External memory definition (if present) */
119         struct w100_mem_info *mem;
120         /* Additional External memory definition (if present) */
121         struct w100_bm_mem_info *bm_mem;
122         /* GPIO definitions (optional) */
123         struct w100_gpio_regs *gpio;
124         /* Initial Mode flags */
125         unsigned int init_mode;
126         /* Xtal Frequency */
127         unsigned int xtal_freq;
128         /* Enable Xtal input doubler (1 == enable) */
129         unsigned int xtal_dbl;
130 };
131 
132 /* General frame buffer data structure */
133 struct w100fb_par {
134         unsigned int chip_id;
135         unsigned int xres;
136         unsigned int yres;
137         unsigned int extmem_active;
138         unsigned int flip;
139         unsigned int blanked;
140         unsigned int fastpll_mode;
141         unsigned long hsync_len;
142         struct w100_mode *mode;
143         struct w100_pll_info *pll_table;
144         struct w100fb_mach_info *mach;
145         uint32_t *saved_intmem;
146         uint32_t *saved_extmem;
147 };
148 

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