drivers/video/fbdev/via/viamode.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
   4  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   5
   6  */
   7
   8 #include <linux/via-core.h>
   9 #include "global.h"
  10
  11 struct io_reg CN400_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01},
  12 {VIASR, SR15, 0x02, 0x02},
  13 {VIASR, SR16, 0xBF, 0x08},
  14 {VIASR, SR17, 0xFF, 0x1F},
  15 {VIASR, SR18, 0xFF, 0x4E},
  16 {VIASR, SR1A, 0xFB, 0x08},
  17 {VIASR, SR1E, 0x0F, 0x01},
  18 {VIASR, SR2A, 0xFF, 0x00},
  19 {VIACR, CR32, 0xFF, 0x00},
  20 {VIACR, CR33, 0xFF, 0x00},
  21 {VIACR, CR35, 0xFF, 0x00},
  22 {VIACR, CR36, 0x08, 0x00},
  23 {VIACR, CR69, 0xFF, 0x00},
  24 {VIACR, CR6A, 0xFF, 0x40},
  25 {VIACR, CR6B, 0xFF, 0x00},
  26 {VIACR, CR88, 0xFF, 0x40},      /* LCD Panel Type                      */
  27 {VIACR, CR89, 0xFF, 0x00},      /* LCD Timing Control 0                */
  28 {VIACR, CR8A, 0xFF, 0x88},      /* LCD Timing Control 1                */
  29 {VIACR, CR8B, 0xFF, 0x69},      /* LCD Power Sequence Control 0        */
  30 {VIACR, CR8C, 0xFF, 0x57},      /* LCD Power Sequence Control 1        */
  31 {VIACR, CR8D, 0xFF, 0x00},      /* LCD Power Sequence Control 2        */
  32 {VIACR, CR8E, 0xFF, 0x7B},      /* LCD Power Sequence Control 3        */
  33 {VIACR, CR8F, 0xFF, 0x03},      /* LCD Power Sequence Control 4        */
  34 {VIACR, CR90, 0xFF, 0x30},      /* LCD Power Sequence Control 5        */
  35 {VIACR, CR91, 0xFF, 0xA0},      /* 24/12 bit LVDS Data off             */
  36 {VIACR, CR96, 0xFF, 0x00},
  37 {VIACR, CR97, 0xFF, 0x00},
  38 {VIACR, CR99, 0xFF, 0x00},
  39 {VIACR, CR9B, 0xFF, 0x00}
  40 };
  41
  42 /* Video Mode Table for VT3314 chipset*/
  43 /* Common Setting for Video Mode */
  44 struct io_reg CN700_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01},
  45 {VIASR, SR15, 0x02, 0x02},
  46 {VIASR, SR16, 0xBF, 0x08},
  47 {VIASR, SR17, 0xFF, 0x1F},
  48 {VIASR, SR18, 0xFF, 0x4E},
  49 {VIASR, SR1A, 0xFB, 0x82},
  50 {VIASR, SR1B, 0xFF, 0xF0},
  51 {VIASR, SR1F, 0xFF, 0x00},
  52 {VIASR, SR1E, 0xFF, 0x01},
  53 {VIASR, SR22, 0xFF, 0x1F},
  54 {VIASR, SR2A, 0x0F, 0x00},
  55 {VIASR, SR2E, 0xFF, 0xFF},
  56 {VIASR, SR3F, 0xFF, 0xFF},
  57 {VIASR, SR40, 0xF7, 0x00},
  58 {VIASR, CR30, 0xFF, 0x04},
  59 {VIACR, CR32, 0xFF, 0x00},
  60 {VIACR, CR33, 0x7F, 0x00},
  61 {VIACR, CR35, 0xFF, 0x00},
  62 {VIACR, CR36, 0xFF, 0x31},
  63 {VIACR, CR41, 0xFF, 0x80},
  64 {VIACR, CR42, 0xFF, 0x00},
  65 {VIACR, CR55, 0x80, 0x00},
  66 {VIACR, CR5D, 0x80, 0x00},      /*Horizontal Retrace Start bit[11] should be 0*/
  67 {VIACR, CR68, 0xFF, 0x67},      /* Default FIFO For IGA2 */
  68 {VIACR, CR69, 0xFF, 0x00},
  69 {VIACR, CR6A, 0xFD, 0x40},
  70 {VIACR, CR6B, 0xFF, 0x00},
  71 {VIACR, CR77, 0xFF, 0x00},      /* LCD scaling Factor */
  72 {VIACR, CR78, 0xFF, 0x00},      /* LCD scaling Factor */
  73 {VIACR, CR79, 0xFF, 0x00},      /* LCD scaling Factor */
  74 {VIACR, CR9F, 0x03, 0x00},      /* LCD scaling Factor */
  75 {VIACR, CR88, 0xFF, 0x40},      /* LCD Panel Type */
  76 {VIACR, CR89, 0xFF, 0x00},      /* LCD Timing Control 0 */
  77 {VIACR, CR8A, 0xFF, 0x88},      /* LCD Timing Control 1 */
  78 {VIACR, CR8B, 0xFF, 0x5D},      /* LCD Power Sequence Control 0 */
  79 {VIACR, CR8C, 0xFF, 0x2B},      /* LCD Power Sequence Control 1 */
  80 {VIACR, CR8D, 0xFF, 0x6F},      /* LCD Power Sequence Control 2 */
  81 {VIACR, CR8E, 0xFF, 0x2B},      /* LCD Power Sequence Control 3 */
  82 {VIACR, CR8F, 0xFF, 0x01},      /* LCD Power Sequence Control 4 */
  83 {VIACR, CR90, 0xFF, 0x01},      /* LCD Power Sequence Control 5 */
  84 {VIACR, CR91, 0xFF, 0xA0},      /* 24/12 bit LVDS Data off */
  85 {VIACR, CR96, 0xFF, 0x00},
  86 {VIACR, CR97, 0xFF, 0x00},
  87 {VIACR, CR99, 0xFF, 0x00},
  88 {VIACR, CR9B, 0xFF, 0x00},
  89 {VIACR, CR9D, 0xFF, 0x80},
  90 {VIACR, CR9E, 0xFF, 0x80}
  91 };
  92
  93 struct io_reg KM400_ModeXregs[] = {
  94         {VIASR, SR10, 0xFF, 0x01},      /* Unlock Register                 */
  95         {VIASR, SR16, 0xFF, 0x08},      /* Display FIFO threshold Control  */
  96         {VIASR, SR17, 0xFF, 0x1F},      /* Display FIFO Control            */
  97         {VIASR, SR18, 0xFF, 0x4E},      /* GFX PREQ threshold              */
  98         {VIASR, SR1A, 0xFF, 0x0a},      /* GFX PREQ threshold              */
  99         {VIASR, SR1F, 0xFF, 0x00},      /* Memory Control 0                */
 100         {VIASR, SR1B, 0xFF, 0xF0},      /* Power Management Control 0      */
 101         {VIASR, SR1E, 0xFF, 0x01},      /* Power Management Control        */
 102         {VIASR, SR20, 0xFF, 0x00},      /* Sequencer Arbiter Control 0     */
 103         {VIASR, SR21, 0xFF, 0x00},      /* Sequencer Arbiter Control 1     */
 104         {VIASR, SR22, 0xFF, 0x1F},      /* Display Arbiter Control 1       */
 105         {VIASR, SR2A, 0xFF, 0x00},      /* Power Management Control 5      */
 106         {VIASR, SR2D, 0xFF, 0xFF},      /* Power Management Control 1      */
 107         {VIASR, SR2E, 0xFF, 0xFF},      /* Power Management Control 2      */
 108         {VIACR, CR33, 0xFF, 0x00},
 109         {VIACR, CR55, 0x80, 0x00},
 110         {VIACR, CR5D, 0x80, 0x00},
 111         {VIACR, CR36, 0xFF, 0x01},      /* Power Mangement 3                  */
 112         {VIACR, CR68, 0xFF, 0x67},      /* Default FIFO For IGA2              */
 113         {VIACR, CR6A, 0x20, 0x20},      /* Extended FIFO On                   */
 114         {VIACR, CR88, 0xFF, 0x40},      /* LCD Panel Type                     */
 115         {VIACR, CR89, 0xFF, 0x00},      /* LCD Timing Control 0               */
 116         {VIACR, CR8A, 0xFF, 0x88},      /* LCD Timing Control 1               */
 117         {VIACR, CR8B, 0xFF, 0x2D},      /* LCD Power Sequence Control 0       */
 118         {VIACR, CR8C, 0xFF, 0x2D},      /* LCD Power Sequence Control 1       */
 119         {VIACR, CR8D, 0xFF, 0xC8},      /* LCD Power Sequence Control 2       */
 120         {VIACR, CR8E, 0xFF, 0x36},      /* LCD Power Sequence Control 3       */
 121         {VIACR, CR8F, 0xFF, 0x00},      /* LCD Power Sequence Control 4       */
 122         {VIACR, CR90, 0xFF, 0x10},      /* LCD Power Sequence Control 5       */
 123         {VIACR, CR91, 0xFF, 0xA0},      /* 24/12 bit LVDS Data off            */
 124         {VIACR, CR96, 0xFF, 0x03},      /* DVP0        ; DVP0 Clock Skew */
 125         {VIACR, CR97, 0xFF, 0x03},      /* DFP high    ; DFPH Clock Skew */
 126         {VIACR, CR99, 0xFF, 0x03},      /* DFP low           ; DFPL Clock Skew*/
 127         {VIACR, CR9B, 0xFF, 0x07}       /* DVI on DVP1       ; DVP1 Clock Skew*/
 128 };
 129
 130 /* For VT3324: Common Setting for Video Mode */
 131 struct io_reg CX700_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01},
 132 {VIASR, SR15, 0x02, 0x02},
 133 {VIASR, SR16, 0xBF, 0x08},
 134 {VIASR, SR17, 0xFF, 0x1F},
 135 {VIASR, SR18, 0xFF, 0x4E},
 136 {VIASR, SR1A, 0xFB, 0x08},
 137 {VIASR, SR1B, 0xFF, 0xF0},
 138 {VIASR, SR1E, 0xFF, 0x01},
 139 {VIASR, SR2A, 0xFF, 0x00},
 140 {VIASR, SR2D, 0xC0, 0xC0},      /* delayed E3_ECK */
 141 {VIACR, CR32, 0xFF, 0x00},
 142 {VIACR, CR33, 0xFF, 0x00},
 143 {VIACR, CR35, 0xFF, 0x00},
 144 {VIACR, CR36, 0x08, 0x00},
 145 {VIACR, CR47, 0xC8, 0x00},      /* Clear VCK Plus. */
 146 {VIACR, CR69, 0xFF, 0x00},
 147 {VIACR, CR6A, 0xFF, 0x40},
 148 {VIACR, CR6B, 0xFF, 0x00},
 149 {VIACR, CR88, 0xFF, 0x40},      /* LCD Panel Type                      */
 150 {VIACR, CR89, 0xFF, 0x00},      /* LCD Timing Control 0                */
 151 {VIACR, CR8A, 0xFF, 0x88},      /* LCD Timing Control 1                */
 152 {VIACR, CRD4, 0xFF, 0x81},      /* Second power sequence control       */
 153 {VIACR, CR8B, 0xFF, 0x5D},      /* LCD Power Sequence Control 0        */
 154 {VIACR, CR8C, 0xFF, 0x2B},      /* LCD Power Sequence Control 1        */
 155 {VIACR, CR8D, 0xFF, 0x6F},      /* LCD Power Sequence Control 2        */
 156 {VIACR, CR8E, 0xFF, 0x2B},      /* LCD Power Sequence Control 3        */
 157 {VIACR, CR8F, 0xFF, 0x01},      /* LCD Power Sequence Control 4        */
 158 {VIACR, CR90, 0xFF, 0x01},      /* LCD Power Sequence Control 5        */
 159 {VIACR, CR91, 0xFF, 0x80},      /* 24/12 bit LVDS Data off             */
 160 {VIACR, CR96, 0xFF, 0x00},
 161 {VIACR, CR97, 0xFF, 0x00},
 162 {VIACR, CR99, 0xFF, 0x00},
 163 {VIACR, CR9B, 0xFF, 0x00}
 164 };
 165
 166 struct io_reg VX855_ModeXregs[] = {
 167 {VIASR, SR10, 0xFF, 0x01},
 168 {VIASR, SR15, 0x02, 0x02},
 169 {VIASR, SR16, 0xBF, 0x08},
 170 {VIASR, SR17, 0xFF, 0x1F},
 171 {VIASR, SR18, 0xFF, 0x4E},
 172 {VIASR, SR1A, 0xFB, 0x08},
 173 {VIASR, SR1B, 0xFF, 0xF0},
 174 {VIASR, SR1E, 0x07, 0x01},
 175 {VIASR, SR2A, 0xF0, 0x00},
 176 {VIASR, SR58, 0xFF, 0x00},
 177 {VIASR, SR59, 0xFF, 0x00},
 178 {VIASR, SR2D, 0xC0, 0xC0},      /* delayed E3_ECK */
 179 {VIACR, CR32, 0xFF, 0x00},
 180 {VIACR, CR33, 0x7F, 0x00},
 181 {VIACR, CR35, 0xFF, 0x00},
 182 {VIACR, CR36, 0x08, 0x00},
 183 {VIACR, CR69, 0xFF, 0x00},
 184 {VIACR, CR6A, 0xFD, 0x60},
 185 {VIACR, CR6B, 0xFF, 0x00},
 186 {VIACR, CR88, 0xFF, 0x40},          /* LCD Panel Type                      */
 187 {VIACR, CR89, 0xFF, 0x00},          /* LCD Timing Control 0                */
 188 {VIACR, CR8A, 0xFF, 0x88},          /* LCD Timing Control 1                */
 189 {VIACR, CRD4, 0xFF, 0x81},          /* Second power sequence control       */
 190 {VIACR, CR91, 0xFF, 0x80},          /* 24/12 bit LVDS Data off             */
 191 {VIACR, CR96, 0xFF, 0x00},
 192 {VIACR, CR97, 0xFF, 0x00},
 193 {VIACR, CR99, 0xFF, 0x00},
 194 {VIACR, CR9B, 0xFF, 0x00},
 195 {VIACR, CRD2, 0xFF, 0xFF}           /* TMDS/LVDS control register.         */
 196 };
 197
 198 /* Video Mode Table */
 199 /* Common Setting for Video Mode */
 200 struct io_reg CLE266_ModeXregs[] = { {VIASR, SR1E, 0xF0, 0x00},
 201 {VIASR, SR2A, 0x0F, 0x00},
 202 {VIASR, SR15, 0x02, 0x02},
 203 {VIASR, SR16, 0xBF, 0x08},
 204 {VIASR, SR17, 0xFF, 0x1F},
 205 {VIASR, SR18, 0xFF, 0x4E},
 206 {VIASR, SR1A, 0xFB, 0x08},
 207
 208 {VIACR, CR32, 0xFF, 0x00},
 209 {VIACR, CR35, 0xFF, 0x00},
 210 {VIACR, CR36, 0x08, 0x00},
 211 {VIACR, CR6A, 0xFF, 0x80},
 212 {VIACR, CR6A, 0xFF, 0xC0},
 213
 214 {VIACR, CR55, 0x80, 0x00},
 215 {VIACR, CR5D, 0x80, 0x00},
 216
 217 {VIAGR, GR20, 0xFF, 0x00},
 218 {VIAGR, GR21, 0xFF, 0x00},
 219 {VIAGR, GR22, 0xFF, 0x00},
 220
 221 };
 222
 223 /* Mode:1024X768 */
 224 struct io_reg PM1024x768[] = { {VIASR, 0x16, 0xBF, 0x0C},
 225 {VIASR, 0x18, 0xFF, 0x4C}
 226 };
 227
 228 struct patch_table res_patch_table[] = {
 229         {ARRAY_SIZE(PM1024x768), PM1024x768}
 230 };
 231
 232 /* struct VPITTable {
 233         unsigned char  Misc;
 234         unsigned char  SR[StdSR];
 235         unsigned char  CR[StdCR];
 236         unsigned char  GR[StdGR];
 237         unsigned char  AR[StdAR];
 238  };*/
 239
 240 struct VPITTable VPIT = {
 241         /* Msic */
 242         0xC7,
 243         /* Sequencer */
 244         {0x01, 0x0F, 0x00, 0x0E},
 245         /* Graphic Controller */
 246         {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 0xFF},
 247         /* Attribute Controller */
 248         {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 249          0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
 250          0x01, 0x00, 0x0F, 0x00}
 251 };
 252
 253 /********************/
 254 /* Mode Table       */
 255 /********************/
 256
 257 static const struct fb_videomode viafb_modes[] = {
 258         {NULL, 60, 480, 640, 40285, 72, 24, 19, 1, 48, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 259         {NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2, 0, 0, 0},
 260         {NULL, 75, 640, 480, 31746, 120, 16, 16, 1, 64, 3, 0, 0, 0},
 261         {NULL, 85, 640, 480, 27780, 80, 56, 25, 1, 56, 3, 0, 0, 0},
 262         {NULL, 100, 640, 480, 23167, 104, 40, 25, 1, 64, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 263         {NULL, 120, 640, 480, 19081, 104, 40, 31, 1, 64, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 264         {NULL, 60, 720, 480, 37426, 88, 16, 13, 1, 72, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 265         {NULL, 60, 720, 576, 30611, 96, 24, 17, 1, 72, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 266         {NULL, 60, 800, 600, 25131, 88, 40, 23, 1, 128, 4, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 267         {NULL, 75, 800, 600, 20202, 160, 16, 21, 1, 80, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 268         {NULL, 85, 800, 600, 17790, 152, 32, 27, 1, 64, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 269         {NULL, 100, 800, 600, 14667, 136, 48, 32, 1, 88, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 270         {NULL, 120, 800, 600, 11911, 144, 56, 39, 1, 88, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 271         {NULL, 60, 800, 480, 33602, 96, 24, 10, 3, 72, 7, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 272         {NULL, 60, 848, 480, 31565, 104, 24, 12, 3, 80, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 273         {NULL, 60, 856, 480, 31517, 104, 16, 13, 1, 88, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 274         {NULL, 60, 1024, 512, 24218, 136, 32, 15, 1, 104, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 275         {NULL, 60, 1024, 600, 20423, 144, 40, 18, 1, 104, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 276         {NULL, 60, 1024, 768, 15385, 160, 24, 29, 3, 136, 6, 0, 0, 0},
 277         {NULL, 75, 1024, 768, 12703, 176, 16, 28, 1, 96, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 278         {NULL, 85, 1024, 768, 10581, 208, 48, 36, 1, 96, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 279         {NULL, 100, 1024, 768, 8825, 184, 72, 42, 1, 112, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 280         {NULL, 75, 1152, 864, 9259, 256, 64, 32, 1, 128, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 281         {NULL, 60, 1280, 768, 12478, 200, 64, 23, 1, 136, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 282         {NULL, 50, 1280, 768, 15342, 184, 56, 19, 1, 128, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 283         {NULL, 60, 960, 600, 21964, 128, 32, 15, 3, 96, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 284         {NULL, 60, 1000, 600, 20803, 144, 40, 18, 1, 104, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 285         {NULL, 60, 1024, 576, 21278, 144, 40, 17, 1, 104, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 286         {NULL, 60, 1088, 612, 18825, 152, 48, 16, 3, 104, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 287         {NULL, 60, 1152, 720, 14974, 168, 56, 19, 3, 112, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 288         {NULL, 60, 1200, 720, 14248, 184, 56, 22, 1, 128, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 289         {NULL, 49, 1200, 900, 17703, 21, 11, 1, 1, 32, 10, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 290         {NULL, 60, 1280, 600, 16259, 184, 56, 18, 1, 128, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 291         {NULL, 60, 1280, 800, 11938, 200, 72, 22, 3, 128, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 292         {NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 293         {NULL, 60, 1280, 1024, 9262, 248, 48, 38, 1, 112, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 294         {NULL, 75, 1280, 1024, 7409, 248, 16, 38, 1, 144, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 295         {NULL, 85, 1280, 1024, 6351, 224, 64, 44, 1, 160, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 296         {NULL, 60, 1360, 768, 11759, 208, 72, 22, 3, 136, 5, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 297         {NULL, 60, 1368, 768, 11646, 216, 72, 23, 1, 144, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 298         {NULL, 50, 1368, 768, 14301, 200, 56, 19, 1, 144, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 299         {NULL, 60, 1368, 768, 11646, 216, 72, 23, 1, 144, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 300         {NULL, 60, 1440, 900, 9372, 232, 80, 25, 3, 152, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 301         {NULL, 75, 1440, 900, 7311, 248, 96, 33, 3, 152, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 302         {NULL, 60, 1440, 1040, 7993, 248, 96, 33, 1, 152, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 303         {NULL, 60, 1600, 900, 8449, 256, 88, 26, 3, 168, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 304         {NULL, 60, 1600, 1024, 7333, 272, 104, 32, 1, 168, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 305         {NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 306         {NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 0, 0},
 307         {NULL, 60, 1680, 1050, 6832, 280, 104, 30, 3, 176, 6, 0, 0, 0},
 308         {NULL, 75, 1680, 1050, 5339, 296, 120, 40, 3, 176, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 309         {NULL, 60, 1792, 1344, 4883, 328, 128, 46, 1, 200, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 310         {NULL, 60, 1856, 1392, 4581, 352, 96, 43, 1, 224, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 311         {NULL, 60, 1920, 1440, 4273, 344, 128, 56, 1, 208, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 312         {NULL, 75, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 313         {NULL, 60, 2048, 1536, 3738, 376, 152, 49, 3, 224, 4, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 314         {NULL, 60, 1280, 720, 13484, 216, 112, 20, 5, 40, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 315         {NULL, 50, 1280, 720, 16538, 176, 48, 17, 1, 128, 3, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 316         {NULL, 60, 1920, 1080, 5776, 328, 128, 32, 3, 200, 5, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 317         {NULL, 60, 1920, 1200, 5164, 336, 136, 36, 3, 200, 6, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 318         {NULL, 60, 1400, 1050, 8210, 232, 88, 32, 3, 144, 4, FB_SYNC_VERT_HIGH_ACT, 0, 0},
 319         {NULL, 75, 1400, 1050, 6398, 248, 104, 42, 3, 144, 4, FB_SYNC_VERT_HIGH_ACT, 0, 0} };
 320
 321 static const struct fb_videomode viafb_rb_modes[] = {
 322         {NULL, 60, 1360, 768, 13879, 80, 48, 14, 3, 32, 5, FB_SYNC_HOR_HIGH_ACT, 0, 0},
 323         {NULL, 60, 1440, 900, 11249, 80, 48, 17, 3, 32, 6, FB_SYNC_HOR_HIGH_ACT, 0, 0},
 324         {NULL, 60, 1400, 1050, 9892, 80, 48, 23, 3, 32, 4, FB_SYNC_HOR_HIGH_ACT, 0, 0},
 325         {NULL, 60, 1600, 900, 10226, 80, 48, 18, 3, 32, 5, FB_SYNC_HOR_HIGH_ACT, 0, 0},
 326         {NULL, 60, 1680, 1050, 8387, 80, 48, 21, 3, 32, 6, FB_SYNC_HOR_HIGH_ACT, 0, 0},
 327         {NULL, 60, 1920, 1080, 7212, 80, 48, 23, 3, 32, 5, FB_SYNC_HOR_HIGH_ACT, 0, 0},
 328         {NULL, 60, 1920, 1200, 6488, 80, 48, 26, 3, 32, 6, FB_SYNC_HOR_HIGH_ACT, 0, 0} };
 329
 330 int NUM_TOTAL_CN400_ModeXregs = ARRAY_SIZE(CN400_ModeXregs);
 331 int NUM_TOTAL_CN700_ModeXregs = ARRAY_SIZE(CN700_ModeXregs);
 332 int NUM_TOTAL_KM400_ModeXregs = ARRAY_SIZE(KM400_ModeXregs);
 333 int NUM_TOTAL_CX700_ModeXregs = ARRAY_SIZE(CX700_ModeXregs);
 334 int NUM_TOTAL_VX855_ModeXregs = ARRAY_SIZE(VX855_ModeXregs);
 335 int NUM_TOTAL_CLE266_ModeXregs = ARRAY_SIZE(CLE266_ModeXregs);
 336 int NUM_TOTAL_PATCH_MODE = ARRAY_SIZE(res_patch_table);
 337
 338
 339 static const struct fb_videomode *get_best_mode(
 340         const struct fb_videomode *modes, int n,
 341         int hres, int vres, int refresh)
 342 {
 343         const struct fb_videomode *best = NULL;
 344         int i;
 345
 346         for (i = 0; i < n; i++) {
 347                 if (modes[i].xres != hres || modes[i].yres != vres)
 348                         continue;
 349
 350                 if (!best || abs(modes[i].refresh - refresh) <
 351                         abs(best->refresh - refresh))
 352                         best = &modes[i];
 353         }
 354
 355         return best;
 356 }
 357
 358 const struct fb_videomode *viafb_get_best_mode(int hres, int vres, int refresh)
 359 {
 360         return get_best_mode(viafb_modes, ARRAY_SIZE(viafb_modes),
 361                 hres, vres, refresh);
 362 }
 363
 364 const struct fb_videomode *viafb_get_best_rb_mode(int hres, int vres,
 365         int refresh)
 366 {
 367         return get_best_mode(viafb_rb_modes, ARRAY_SIZE(viafb_rb_modes),
 368                 hres, vres, refresh);
 369 }