root/drivers/video/fbdev/via/hw.h

INCLUDED FROM

   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 #ifndef __HW_H__
   9 #define __HW_H__
  10 
  11 #include <linux/seq_file.h>
  12 
  13 #include "viamode.h"
  14 #include "global.h"
  15 #include "via_modesetting.h"
  16 
  17 #define viafb_read_reg(p, i)                    via_read_reg(p, i)
  18 #define viafb_write_reg(i, p, d)                via_write_reg(p, i, d)
  19 #define viafb_write_reg_mask(i, p, d, m)        via_write_reg_mask(p, i, d, m)
  20 
  21 /* VIA output devices */
  22 #define VIA_LDVP0       0x00000001
  23 #define VIA_LDVP1       0x00000002
  24 #define VIA_DVP0        0x00000004
  25 #define VIA_CRT         0x00000010
  26 #define VIA_DVP1        0x00000020
  27 #define VIA_LVDS1       0x00000040
  28 #define VIA_LVDS2       0x00000080
  29 
  30 /* VIA output device power states */
  31 #define VIA_STATE_ON            0
  32 #define VIA_STATE_STANDBY       1
  33 #define VIA_STATE_SUSPEND       2
  34 #define VIA_STATE_OFF           3
  35 
  36 /* VIA output device sync polarity */
  37 #define VIA_HSYNC_NEGATIVE      0x01
  38 #define VIA_VSYNC_NEGATIVE      0x02
  39 
  40 /**********************************************************/
  41 /* Definition IGA2 Design Method of CRTC Shadow Registers */
  42 /**********************************************************/
  43 #define IGA2_HOR_TOTAL_SHADOW_FORMULA(x)           ((x/8)-5)
  44 #define IGA2_HOR_BLANK_END_SHADOW_FORMULA(x, y)     (((x+y)/8)-1)
  45 #define IGA2_VER_TOTAL_SHADOW_FORMULA(x)           ((x)-2)
  46 #define IGA2_VER_ADDR_SHADOW_FORMULA(x)            ((x)-1)
  47 #define IGA2_VER_BLANK_START_SHADOW_FORMULA(x)     ((x)-1)
  48 #define IGA2_VER_BLANK_END_SHADOW_FORMULA(x, y)     ((x+y)-1)
  49 #define IGA2_VER_SYNC_START_SHADOW_FORMULA(x)      (x)
  50 #define IGA2_VER_SYNC_END_SHADOW_FORMULA(x, y)      (x+y)
  51 
  52 /* Define Register Number for IGA2 Shadow CRTC Timing */
  53 
  54 /* location: {CR6D,0,7},{CR71,3,3} */
  55 #define IGA2_SHADOW_HOR_TOTAL_REG_NUM       2
  56 /* location: {CR6E,0,7} */
  57 #define IGA2_SHADOW_HOR_BLANK_END_REG_NUM   1
  58 /* location: {CR6F,0,7},{CR71,0,2} */
  59 #define IGA2_SHADOW_VER_TOTAL_REG_NUM       2
  60 /* location: {CR70,0,7},{CR71,4,6} */
  61 #define IGA2_SHADOW_VER_ADDR_REG_NUM        2
  62 /* location: {CR72,0,7},{CR74,4,6} */
  63 #define IGA2_SHADOW_VER_BLANK_START_REG_NUM 2
  64 /* location: {CR73,0,7},{CR74,0,2} */
  65 #define IGA2_SHADOW_VER_BLANK_END_REG_NUM   2
  66 /* location: {CR75,0,7},{CR76,4,6} */
  67 #define IGA2_SHADOW_VER_SYNC_START_REG_NUM  2
  68 /* location: {CR76,0,3} */
  69 #define IGA2_SHADOW_VER_SYNC_END_REG_NUM    1
  70 
  71 /* Define Fetch Count Register*/
  72 
  73 /* location: {SR1C,0,7},{SR1D,0,1} */
  74 #define IGA1_FETCH_COUNT_REG_NUM        2
  75 /* 16 bytes alignment. */
  76 #define IGA1_FETCH_COUNT_ALIGN_BYTE     16
  77 /* x: H resolution, y: color depth */
  78 #define IGA1_FETCH_COUNT_PATCH_VALUE    4
  79 #define IGA1_FETCH_COUNT_FORMULA(x, y)   \
  80         (((x*y)/IGA1_FETCH_COUNT_ALIGN_BYTE) + IGA1_FETCH_COUNT_PATCH_VALUE)
  81 
  82 /* location: {CR65,0,7},{CR67,2,3} */
  83 #define IGA2_FETCH_COUNT_REG_NUM        2
  84 #define IGA2_FETCH_COUNT_ALIGN_BYTE     16
  85 #define IGA2_FETCH_COUNT_PATCH_VALUE    0
  86 #define IGA2_FETCH_COUNT_FORMULA(x, y)   \
  87         (((x*y)/IGA2_FETCH_COUNT_ALIGN_BYTE) + IGA2_FETCH_COUNT_PATCH_VALUE)
  88 
  89 /* Staring Address*/
  90 
  91 /* location: {CR0C,0,7},{CR0D,0,7},{CR34,0,7},{CR48,0,1} */
  92 #define IGA1_STARTING_ADDR_REG_NUM      4
  93 /* location: {CR62,1,7},{CR63,0,7},{CR64,0,7} */
  94 #define IGA2_STARTING_ADDR_REG_NUM      3
  95 
  96 /* Define Display OFFSET*/
  97 /* These value are by HW suggested value*/
  98 /* location: {SR17,0,7} */
  99 #define K800_IGA1_FIFO_MAX_DEPTH                384
 100 /* location: {SR16,0,5},{SR16,7,7} */
 101 #define K800_IGA1_FIFO_THRESHOLD                328
 102 /* location: {SR18,0,5},{SR18,7,7} */
 103 #define K800_IGA1_FIFO_HIGH_THRESHOLD           296
 104 /* location: {SR22,0,4}. (128/4) =64, K800 must be set zero, */
 105                                 /* because HW only 5 bits */
 106 #define K800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM      0
 107 
 108 /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
 109 #define K800_IGA2_FIFO_MAX_DEPTH                384
 110 /* location: {CR68,0,3},{CR95,4,6} */
 111 #define K800_IGA2_FIFO_THRESHOLD                328
 112 /* location: {CR92,0,3},{CR95,0,2} */
 113 #define K800_IGA2_FIFO_HIGH_THRESHOLD           296
 114 /* location: {CR94,0,6} */
 115 #define K800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM      128
 116 
 117 /* location: {SR17,0,7} */
 118 #define P880_IGA1_FIFO_MAX_DEPTH                192
 119 /* location: {SR16,0,5},{SR16,7,7} */
 120 #define P880_IGA1_FIFO_THRESHOLD                128
 121 /* location: {SR18,0,5},{SR18,7,7} */
 122 #define P880_IGA1_FIFO_HIGH_THRESHOLD           64
 123 /* location: {SR22,0,4}. (128/4) =64, K800 must be set zero, */
 124                                 /* because HW only 5 bits */
 125 #define P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM      0
 126 
 127 /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
 128 #define P880_IGA2_FIFO_MAX_DEPTH                96
 129 /* location: {CR68,0,3},{CR95,4,6} */
 130 #define P880_IGA2_FIFO_THRESHOLD                64
 131 /* location: {CR92,0,3},{CR95,0,2} */
 132 #define P880_IGA2_FIFO_HIGH_THRESHOLD           32
 133 /* location: {CR94,0,6} */
 134 #define P880_IGA2_DISPLAY_QUEUE_EXPIRE_NUM      128
 135 
 136 /* VT3314 chipset*/
 137 
 138 /* location: {SR17,0,7} */
 139 #define CN700_IGA1_FIFO_MAX_DEPTH               96
 140 /* location: {SR16,0,5},{SR16,7,7} */
 141 #define CN700_IGA1_FIFO_THRESHOLD               80
 142 /* location: {SR18,0,5},{SR18,7,7} */
 143 #define CN700_IGA1_FIFO_HIGH_THRESHOLD          64
 144 /* location: {SR22,0,4}. (128/4) =64, P800 must be set zero,
 145                                 because HW only 5 bits */
 146 #define CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     0
 147 /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
 148 #define CN700_IGA2_FIFO_MAX_DEPTH               96
 149 /* location: {CR68,0,3},{CR95,4,6} */
 150 #define CN700_IGA2_FIFO_THRESHOLD               80
 151 /* location: {CR92,0,3},{CR95,0,2} */
 152 #define CN700_IGA2_FIFO_HIGH_THRESHOLD          32
 153 /* location: {CR94,0,6} */
 154 #define CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     128
 155 
 156 /* For VT3324, these values are suggested by HW */
 157 /* location: {SR17,0,7} */
 158 #define CX700_IGA1_FIFO_MAX_DEPTH               192
 159 /* location: {SR16,0,5},{SR16,7,7} */
 160 #define CX700_IGA1_FIFO_THRESHOLD               128
 161 /* location: {SR18,0,5},{SR18,7,7} */
 162 #define CX700_IGA1_FIFO_HIGH_THRESHOLD          128
 163 /* location: {SR22,0,4} */
 164 #define CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     124
 165 
 166 /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
 167 #define CX700_IGA2_FIFO_MAX_DEPTH               96
 168 /* location: {CR68,0,3},{CR95,4,6} */
 169 #define CX700_IGA2_FIFO_THRESHOLD               64
 170 /* location: {CR92,0,3},{CR95,0,2} */
 171 #define CX700_IGA2_FIFO_HIGH_THRESHOLD          32
 172 /* location: {CR94,0,6} */
 173 #define CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     128
 174 
 175 /* VT3336 chipset*/
 176 /* location: {SR17,0,7} */
 177 #define K8M890_IGA1_FIFO_MAX_DEPTH               360
 178 /* location: {SR16,0,5},{SR16,7,7} */
 179 #define K8M890_IGA1_FIFO_THRESHOLD               328
 180 /* location: {SR18,0,5},{SR18,7,7} */
 181 #define K8M890_IGA1_FIFO_HIGH_THRESHOLD          296
 182 /* location: {SR22,0,4}. */
 183 #define K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     124
 184 
 185 /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
 186 #define K8M890_IGA2_FIFO_MAX_DEPTH               360
 187 /* location: {CR68,0,3},{CR95,4,6} */
 188 #define K8M890_IGA2_FIFO_THRESHOLD               328
 189 /* location: {CR92,0,3},{CR95,0,2} */
 190 #define K8M890_IGA2_FIFO_HIGH_THRESHOLD          296
 191 /* location: {CR94,0,6} */
 192 #define K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     124
 193 
 194 /* VT3327 chipset*/
 195 /* location: {SR17,0,7} */
 196 #define P4M890_IGA1_FIFO_MAX_DEPTH               96
 197 /* location: {SR16,0,5},{SR16,7,7} */
 198 #define P4M890_IGA1_FIFO_THRESHOLD               76
 199 /* location: {SR18,0,5},{SR18,7,7} */
 200 #define P4M890_IGA1_FIFO_HIGH_THRESHOLD          64
 201 /* location: {SR22,0,4}. (32/4) =8 */
 202 #define P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     32
 203 /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
 204 #define P4M890_IGA2_FIFO_MAX_DEPTH               96
 205 /* location: {CR68,0,3},{CR95,4,6} */
 206 #define P4M890_IGA2_FIFO_THRESHOLD               76
 207 /* location: {CR92,0,3},{CR95,0,2} */
 208 #define P4M890_IGA2_FIFO_HIGH_THRESHOLD          64
 209 /* location: {CR94,0,6} */
 210 #define P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     32
 211 
 212 /* VT3364 chipset*/
 213 /* location: {SR17,0,7} */
 214 #define P4M900_IGA1_FIFO_MAX_DEPTH               96
 215 /* location: {SR16,0,5},{SR16,7,7} */
 216 #define P4M900_IGA1_FIFO_THRESHOLD               76
 217 /* location: {SR18,0,5},{SR18,7,7} */
 218 #define P4M900_IGA1_FIFO_HIGH_THRESHOLD          76
 219 /* location: {SR22,0,4}. */
 220 #define P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     32
 221 /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
 222 #define P4M900_IGA2_FIFO_MAX_DEPTH               96
 223 /* location: {CR68,0,3},{CR95,4,6} */
 224 #define P4M900_IGA2_FIFO_THRESHOLD               76
 225 /* location: {CR92,0,3},{CR95,0,2} */
 226 #define P4M900_IGA2_FIFO_HIGH_THRESHOLD          76
 227 /* location: {CR94,0,6} */
 228 #define P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     32
 229 
 230 /* For VT3353, these values are suggested by HW */
 231 /* location: {SR17,0,7} */
 232 #define VX800_IGA1_FIFO_MAX_DEPTH               192
 233 /* location: {SR16,0,5},{SR16,7,7} */
 234 #define VX800_IGA1_FIFO_THRESHOLD               152
 235 /* location: {SR18,0,5},{SR18,7,7} */
 236 #define VX800_IGA1_FIFO_HIGH_THRESHOLD          152
 237 /* location: {SR22,0,4} */
 238 #define VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM      64
 239 /* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */
 240 #define VX800_IGA2_FIFO_MAX_DEPTH               96
 241 /* location: {CR68,0,3},{CR95,4,6} */
 242 #define VX800_IGA2_FIFO_THRESHOLD               64
 243 /* location: {CR92,0,3},{CR95,0,2} */
 244 #define VX800_IGA2_FIFO_HIGH_THRESHOLD          32
 245 /* location: {CR94,0,6} */
 246 #define VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     128
 247 
 248 /* For VT3409 */
 249 #define VX855_IGA1_FIFO_MAX_DEPTH               400
 250 #define VX855_IGA1_FIFO_THRESHOLD               320
 251 #define VX855_IGA1_FIFO_HIGH_THRESHOLD          320
 252 #define VX855_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     160
 253 
 254 #define VX855_IGA2_FIFO_MAX_DEPTH               200
 255 #define VX855_IGA2_FIFO_THRESHOLD               160
 256 #define VX855_IGA2_FIFO_HIGH_THRESHOLD          160
 257 #define VX855_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     320
 258 
 259 /* For VT3410 */
 260 #define VX900_IGA1_FIFO_MAX_DEPTH               400
 261 #define VX900_IGA1_FIFO_THRESHOLD               320
 262 #define VX900_IGA1_FIFO_HIGH_THRESHOLD          320
 263 #define VX900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM     160
 264 
 265 #define VX900_IGA2_FIFO_MAX_DEPTH               192
 266 #define VX900_IGA2_FIFO_THRESHOLD               160
 267 #define VX900_IGA2_FIFO_HIGH_THRESHOLD          160
 268 #define VX900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM     320
 269 
 270 #define IGA1_FIFO_DEPTH_SELECT_REG_NUM          1
 271 #define IGA1_FIFO_THRESHOLD_REG_NUM             2
 272 #define IGA1_FIFO_HIGH_THRESHOLD_REG_NUM        2
 273 #define IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM   1
 274 
 275 #define IGA2_FIFO_DEPTH_SELECT_REG_NUM          3
 276 #define IGA2_FIFO_THRESHOLD_REG_NUM             2
 277 #define IGA2_FIFO_HIGH_THRESHOLD_REG_NUM        2
 278 #define IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM   1
 279 
 280 #define IGA1_FIFO_DEPTH_SELECT_FORMULA(x)                   ((x/2)-1)
 281 #define IGA1_FIFO_THRESHOLD_FORMULA(x)                      (x/4)
 282 #define IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA(x)            (x/4)
 283 #define IGA1_FIFO_HIGH_THRESHOLD_FORMULA(x)                 (x/4)
 284 #define IGA2_FIFO_DEPTH_SELECT_FORMULA(x)                   (((x/2)/4)-1)
 285 #define IGA2_FIFO_THRESHOLD_FORMULA(x)                      (x/4)
 286 #define IGA2_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA(x)            (x/4)
 287 #define IGA2_FIFO_HIGH_THRESHOLD_FORMULA(x)                 (x/4)
 288 
 289 /************************************************************************/
 290 /*  LCD Timing                                                          */
 291 /************************************************************************/
 292 
 293 /* 500 ms = 500000 us */
 294 #define LCD_POWER_SEQ_TD0               500000
 295 /* 50 ms = 50000 us */
 296 #define LCD_POWER_SEQ_TD1               50000
 297 /* 0 us */
 298 #define LCD_POWER_SEQ_TD2               0
 299 /* 210 ms = 210000 us */
 300 #define LCD_POWER_SEQ_TD3               210000
 301 /* 2^10 * (1/14.31818M) = 71.475 us (K400.revA) */
 302 #define CLE266_POWER_SEQ_UNIT           71
 303 /* 2^11 * (1/14.31818M) = 142.95 us (K400.revB) */
 304 #define K800_POWER_SEQ_UNIT             142
 305 /* 2^13 * (1/14.31818M) = 572.1 us */
 306 #define P880_POWER_SEQ_UNIT             572
 307 
 308 #define CLE266_POWER_SEQ_FORMULA(x)     ((x)/CLE266_POWER_SEQ_UNIT)
 309 #define K800_POWER_SEQ_FORMULA(x)       ((x)/K800_POWER_SEQ_UNIT)
 310 #define P880_POWER_SEQ_FORMULA(x)       ((x)/P880_POWER_SEQ_UNIT)
 311 
 312 /* location: {CR8B,0,7},{CR8F,0,3} */
 313 #define LCD_POWER_SEQ_TD0_REG_NUM       2
 314 /* location: {CR8C,0,7},{CR8F,4,7} */
 315 #define LCD_POWER_SEQ_TD1_REG_NUM       2
 316 /* location: {CR8D,0,7},{CR90,0,3} */
 317 #define LCD_POWER_SEQ_TD2_REG_NUM       2
 318 /* location: {CR8E,0,7},{CR90,4,7} */
 319 #define LCD_POWER_SEQ_TD3_REG_NUM       2
 320 
 321 /* LCD Scaling factor*/
 322 /* x: indicate setting horizontal size*/
 323 /* y: indicate panel horizontal size*/
 324 
 325 /* Horizontal scaling factor 10 bits (2^10) */
 326 #define CLE266_LCD_HOR_SCF_FORMULA(x, y)   (((x-1)*1024)/(y-1))
 327 /* Vertical scaling factor 10 bits (2^10) */
 328 #define CLE266_LCD_VER_SCF_FORMULA(x, y)   (((x-1)*1024)/(y-1))
 329 /* Horizontal scaling factor 10 bits (2^12) */
 330 #define K800_LCD_HOR_SCF_FORMULA(x, y)     (((x-1)*4096)/(y-1))
 331 /* Vertical scaling factor 10 bits (2^11) */
 332 #define K800_LCD_VER_SCF_FORMULA(x, y)     (((x-1)*2048)/(y-1))
 333 
 334 /* location: {CR9F,0,1},{CR77,0,7},{CR79,4,5} */
 335 #define LCD_HOR_SCALING_FACTOR_REG_NUM  3
 336 /* location: {CR79,3,3},{CR78,0,7},{CR79,6,7} */
 337 #define LCD_VER_SCALING_FACTOR_REG_NUM  3
 338 /* location: {CR77,0,7},{CR79,4,5} */
 339 #define LCD_HOR_SCALING_FACTOR_REG_NUM_CLE  2
 340 /* location: {CR78,0,7},{CR79,6,7} */
 341 #define LCD_VER_SCALING_FACTOR_REG_NUM_CLE  2
 342 
 343 struct io_register {
 344         u8 io_addr;
 345         u8 start_bit;
 346         u8 end_bit;
 347 };
 348 
 349 /*****************************************************
 350 **      Define IGA2 Shadow Display Timing         ****
 351 *****************************************************/
 352 
 353 /* IGA2 Shadow Horizontal Total */
 354 struct iga2_shadow_hor_total {
 355         int reg_num;
 356         struct io_register reg[IGA2_SHADOW_HOR_TOTAL_REG_NUM];
 357 };
 358 
 359 /* IGA2 Shadow Horizontal Blank End */
 360 struct iga2_shadow_hor_blank_end {
 361         int reg_num;
 362         struct io_register reg[IGA2_SHADOW_HOR_BLANK_END_REG_NUM];
 363 };
 364 
 365 /* IGA2 Shadow Vertical Total */
 366 struct iga2_shadow_ver_total {
 367         int reg_num;
 368         struct io_register reg[IGA2_SHADOW_VER_TOTAL_REG_NUM];
 369 };
 370 
 371 /* IGA2 Shadow Vertical Addressable Video */
 372 struct iga2_shadow_ver_addr {
 373         int reg_num;
 374         struct io_register reg[IGA2_SHADOW_VER_ADDR_REG_NUM];
 375 };
 376 
 377 /* IGA2 Shadow Vertical Blank Start */
 378 struct iga2_shadow_ver_blank_start {
 379         int reg_num;
 380         struct io_register reg[IGA2_SHADOW_VER_BLANK_START_REG_NUM];
 381 };
 382 
 383 /* IGA2 Shadow Vertical Blank End */
 384 struct iga2_shadow_ver_blank_end {
 385         int reg_num;
 386         struct io_register reg[IGA2_SHADOW_VER_BLANK_END_REG_NUM];
 387 };
 388 
 389 /* IGA2 Shadow Vertical Sync Start */
 390 struct iga2_shadow_ver_sync_start {
 391         int reg_num;
 392         struct io_register reg[IGA2_SHADOW_VER_SYNC_START_REG_NUM];
 393 };
 394 
 395 /* IGA2 Shadow Vertical Sync End */
 396 struct iga2_shadow_ver_sync_end {
 397         int reg_num;
 398         struct io_register reg[IGA2_SHADOW_VER_SYNC_END_REG_NUM];
 399 };
 400 
 401 /* IGA1 Fetch Count Register */
 402 struct iga1_fetch_count {
 403         int reg_num;
 404         struct io_register reg[IGA1_FETCH_COUNT_REG_NUM];
 405 };
 406 
 407 /* IGA2 Fetch Count Register */
 408 struct iga2_fetch_count {
 409         int reg_num;
 410         struct io_register reg[IGA2_FETCH_COUNT_REG_NUM];
 411 };
 412 
 413 struct fetch_count {
 414         struct iga1_fetch_count iga1_fetch_count_reg;
 415         struct iga2_fetch_count iga2_fetch_count_reg;
 416 };
 417 
 418 /* Starting Address Register */
 419 struct iga1_starting_addr {
 420         int reg_num;
 421         struct io_register reg[IGA1_STARTING_ADDR_REG_NUM];
 422 };
 423 
 424 struct iga2_starting_addr {
 425         int reg_num;
 426         struct io_register reg[IGA2_STARTING_ADDR_REG_NUM];
 427 };
 428 
 429 struct starting_addr {
 430         struct iga1_starting_addr iga1_starting_addr_reg;
 431         struct iga2_starting_addr iga2_starting_addr_reg;
 432 };
 433 
 434 /* LCD Power Sequence Timer */
 435 struct lcd_pwd_seq_td0 {
 436         int reg_num;
 437         struct io_register reg[LCD_POWER_SEQ_TD0_REG_NUM];
 438 };
 439 
 440 struct lcd_pwd_seq_td1 {
 441         int reg_num;
 442         struct io_register reg[LCD_POWER_SEQ_TD1_REG_NUM];
 443 };
 444 
 445 struct lcd_pwd_seq_td2 {
 446         int reg_num;
 447         struct io_register reg[LCD_POWER_SEQ_TD2_REG_NUM];
 448 };
 449 
 450 struct lcd_pwd_seq_td3 {
 451         int reg_num;
 452         struct io_register reg[LCD_POWER_SEQ_TD3_REG_NUM];
 453 };
 454 
 455 struct _lcd_pwd_seq_timer {
 456         struct lcd_pwd_seq_td0 td0;
 457         struct lcd_pwd_seq_td1 td1;
 458         struct lcd_pwd_seq_td2 td2;
 459         struct lcd_pwd_seq_td3 td3;
 460 };
 461 
 462 /* LCD Scaling Factor */
 463 struct _lcd_hor_scaling_factor {
 464         int reg_num;
 465         struct io_register reg[LCD_HOR_SCALING_FACTOR_REG_NUM];
 466 };
 467 
 468 struct _lcd_ver_scaling_factor {
 469         int reg_num;
 470         struct io_register reg[LCD_VER_SCALING_FACTOR_REG_NUM];
 471 };
 472 
 473 struct _lcd_scaling_factor {
 474         struct _lcd_hor_scaling_factor lcd_hor_scaling_factor;
 475         struct _lcd_ver_scaling_factor lcd_ver_scaling_factor;
 476 };
 477 
 478 struct pll_limit {
 479         u16 multiplier_min;
 480         u16 multiplier_max;
 481         u8 divisor;
 482         u8 rshift;
 483 };
 484 
 485 struct rgbLUT {
 486         u8 red;
 487         u8 green;
 488         u8 blue;
 489 };
 490 
 491 struct lcd_pwd_seq_timer {
 492         u16 td0;
 493         u16 td1;
 494         u16 td2;
 495         u16 td3;
 496 };
 497 
 498 /* Display FIFO Relation Registers*/
 499 struct iga1_fifo_depth_select {
 500         int reg_num;
 501         struct io_register reg[IGA1_FIFO_DEPTH_SELECT_REG_NUM];
 502 };
 503 
 504 struct iga1_fifo_threshold_select {
 505         int reg_num;
 506         struct io_register reg[IGA1_FIFO_THRESHOLD_REG_NUM];
 507 };
 508 
 509 struct iga1_fifo_high_threshold_select {
 510         int reg_num;
 511         struct io_register reg[IGA1_FIFO_HIGH_THRESHOLD_REG_NUM];
 512 };
 513 
 514 struct iga1_display_queue_expire_num {
 515         int reg_num;
 516         struct io_register reg[IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM];
 517 };
 518 
 519 struct iga2_fifo_depth_select {
 520         int reg_num;
 521         struct io_register reg[IGA2_FIFO_DEPTH_SELECT_REG_NUM];
 522 };
 523 
 524 struct iga2_fifo_threshold_select {
 525         int reg_num;
 526         struct io_register reg[IGA2_FIFO_THRESHOLD_REG_NUM];
 527 };
 528 
 529 struct iga2_fifo_high_threshold_select {
 530         int reg_num;
 531         struct io_register reg[IGA2_FIFO_HIGH_THRESHOLD_REG_NUM];
 532 };
 533 
 534 struct iga2_display_queue_expire_num {
 535         int reg_num;
 536         struct io_register reg[IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM];
 537 };
 538 
 539 struct fifo_depth_select {
 540         struct iga1_fifo_depth_select iga1_fifo_depth_select_reg;
 541         struct iga2_fifo_depth_select iga2_fifo_depth_select_reg;
 542 };
 543 
 544 struct fifo_threshold_select {
 545         struct iga1_fifo_threshold_select iga1_fifo_threshold_select_reg;
 546         struct iga2_fifo_threshold_select iga2_fifo_threshold_select_reg;
 547 };
 548 
 549 struct fifo_high_threshold_select {
 550         struct iga1_fifo_high_threshold_select
 551          iga1_fifo_high_threshold_select_reg;
 552         struct iga2_fifo_high_threshold_select
 553          iga2_fifo_high_threshold_select_reg;
 554 };
 555 
 556 struct display_queue_expire_num {
 557         struct iga1_display_queue_expire_num
 558          iga1_display_queue_expire_num_reg;
 559         struct iga2_display_queue_expire_num
 560          iga2_display_queue_expire_num_reg;
 561 };
 562 
 563 struct iga2_shadow_crtc_timing {
 564         struct iga2_shadow_hor_total hor_total_shadow;
 565         struct iga2_shadow_hor_blank_end hor_blank_end_shadow;
 566         struct iga2_shadow_ver_total ver_total_shadow;
 567         struct iga2_shadow_ver_addr ver_addr_shadow;
 568         struct iga2_shadow_ver_blank_start ver_blank_start_shadow;
 569         struct iga2_shadow_ver_blank_end ver_blank_end_shadow;
 570         struct iga2_shadow_ver_sync_start ver_sync_start_shadow;
 571         struct iga2_shadow_ver_sync_end ver_sync_end_shadow;
 572 };
 573 
 574 /* device ID */
 575 #define CLE266_FUNCTION3    0x3123
 576 #define KM400_FUNCTION3     0x3205
 577 #define CN400_FUNCTION2     0x2259
 578 #define CN400_FUNCTION3     0x3259
 579 /* support VT3314 chipset */
 580 #define CN700_FUNCTION2     0x2314
 581 #define CN700_FUNCTION3     0x3208
 582 /* VT3324 chipset */
 583 #define CX700_FUNCTION2     0x2324
 584 #define CX700_FUNCTION3     0x3324
 585 /* VT3204 chipset*/
 586 #define KM800_FUNCTION3      0x3204
 587 /* VT3336 chipset*/
 588 #define KM890_FUNCTION3      0x3336
 589 /* VT3327 chipset*/
 590 #define P4M890_FUNCTION3     0x3327
 591 /* VT3293 chipset*/
 592 #define CN750_FUNCTION3     0x3208
 593 /* VT3364 chipset*/
 594 #define P4M900_FUNCTION3    0x3364
 595 /* VT3353 chipset*/
 596 #define VX800_FUNCTION3     0x3353
 597 /* VT3409 chipset*/
 598 #define VX855_FUNCTION3     0x3409
 599 /* VT3410 chipset*/
 600 #define VX900_FUNCTION3     0x3410
 601 
 602 struct IODATA {
 603         u8 Index;
 604         u8 Mask;
 605         u8 Data;
 606 };
 607 
 608 struct pci_device_id_info {
 609         u32 vendor;
 610         u32 device;
 611         u32 chip_index;
 612 };
 613 
 614 struct via_device_mapping {
 615         u32 device;
 616         const char *name;
 617 };
 618 
 619 extern int viafb_SAMM_ON;
 620 extern int viafb_dual_fb;
 621 extern int viafb_LCD2_ON;
 622 extern int viafb_LCD_ON;
 623 extern int viafb_DVI_ON;
 624 extern int viafb_hotplug;
 625 
 626 struct via_display_timing var_to_timing(const struct fb_var_screeninfo *var,
 627         u16 cxres, u16 cyres);
 628 void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var,
 629         u16 cxres, u16 cyres, int iga);
 630 void viafb_set_vclock(u32 CLK, int set_iga);
 631 void viafb_load_reg(int timing_value, int viafb_load_reg_num,
 632         struct io_register *reg,
 633               int io_type);
 634 void via_set_source(u32 devices, u8 iga);
 635 void via_set_state(u32 devices, u8 state);
 636 void via_set_sync_polarity(u32 devices, u8 polarity);
 637 u32 via_parse_odev(char *input, char **end);
 638 void via_odev_to_seq(struct seq_file *m, u32 odev);
 639 void init_ad9389(void);
 640 /* Access I/O Function */
 641 void viafb_lock_crt(void);
 642 void viafb_unlock_crt(void);
 643 void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga);
 644 void viafb_write_regx(struct io_reg RegTable[], int ItemNum);
 645 void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active);
 646 void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
 647                                         *p_gfx_dpa_setting);
 648 
 649 int viafb_setmode(void);
 650 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var,
 651         const struct fb_videomode *mode);
 652 void viafb_init_chip_info(int chip_type);
 653 void viafb_init_dac(int set_iga);
 654 int viafb_get_refresh(int hres, int vres, u32 float_refresh);
 655 void viafb_update_device_setting(int hres, int vres, int bpp, int flag);
 656 
 657 void viafb_set_iga_path(void);
 658 void viafb_set_primary_color_register(u8 index, u8 red, u8 green, u8 blue);
 659 void viafb_set_secondary_color_register(u8 index, u8 red, u8 green, u8 blue);
 660 void viafb_get_fb_info(unsigned int *fb_base, unsigned int *fb_len);
 661 
 662 #endif /* __HW_H__ */