| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
|  | 2 | *  Support for the w100 frame buffer. | 
|  | 3 | * | 
| Richard Purdie | aac51f0 | 2005-09-06 15:19:03 -0700 | [diff] [blame] | 4 | *  Copyright (c) 2004-2005 Richard Purdie | 
|  | 5 | *  Copyright (c) 2005 Ian Molton | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |  | 
| Richard Purdie | aac51f0 | 2005-09-06 15:19:03 -0700 | [diff] [blame] | 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); | 
| Richard Purdie | 513b6e1 | 2005-09-13 01:25:33 -0700 | [diff] [blame] | 22 | unsigned long w100fb_get_hsynclen(struct device *dev); | 
| Richard Purdie | aac51f0 | 2005-09-06 15:19:03 -0700 | [diff] [blame] | 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 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | struct w100fb_mach_info { | 
| Richard Purdie | aac51f0 | 2005-09-06 15:19:03 -0700 | [diff] [blame] | 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; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | }; |