Thomas Winischhofer | 1bbb4f2 | 2005-08-29 17:01:16 +0200 | [diff] [blame] | 1 | /* |
| 2 | * sisusb - usb kernel driver for SiS315(E) based USB2VGA dongles |
| 3 | * |
| 4 | * Display mode initializing code |
| 5 | * |
| 6 | * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria |
| 7 | * |
| 8 | * If distributed as part of the Linux kernel, this code is licensed under the |
| 9 | * terms of the GPL v2. |
| 10 | * |
| 11 | * Otherwise, the following license terms apply: |
| 12 | * |
| 13 | * * Redistribution and use in source and binary forms, with or without |
| 14 | * * modification, are permitted provided that the following conditions |
| 15 | * * are met: |
| 16 | * * 1) Redistributions of source code must retain the above copyright |
| 17 | * * notice, this list of conditions and the following disclaimer. |
| 18 | * * 2) Redistributions in binary form must reproduce the above copyright |
| 19 | * * notice, this list of conditions and the following disclaimer in the |
| 20 | * * documentation and/or other materials provided with the distribution. |
| 21 | * * 3) The name of the author may not be used to endorse or promote products |
| 22 | * * derived from this software without specific prior written permission. |
| 23 | * * |
| 24 | * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 25 | * * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 26 | * * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 27 | * * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 28 | * * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 29 | * * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 30 | * * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 31 | * * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 32 | * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 33 | * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 34 | * |
| 35 | * Author: Thomas Winischhofer <thomas@winischhofer.net> |
| 36 | * |
| 37 | */ |
| 38 | |
Thomas Winischhofer | 1bbb4f2 | 2005-08-29 17:01:16 +0200 | [diff] [blame] | 39 | #include <linux/module.h> |
| 40 | #include <linux/kernel.h> |
| 41 | #include <linux/errno.h> |
| 42 | #include <linux/poll.h> |
| 43 | #include <linux/init.h> |
| 44 | #include <linux/slab.h> |
| 45 | #include <linux/spinlock.h> |
| 46 | #include <linux/kref.h> |
| 47 | |
| 48 | #include "sisusb.h" |
| 49 | |
| 50 | #ifdef INCL_SISUSB_CON |
| 51 | |
| 52 | #include "sisusb_init.h" |
| 53 | |
| 54 | /*********************************************/ |
| 55 | /* POINTER INITIALIZATION */ |
| 56 | /*********************************************/ |
| 57 | |
| 58 | static void |
| 59 | SiSUSB_InitPtr(struct SiS_Private *SiS_Pr) |
| 60 | { |
| 61 | SiS_Pr->SiS_ModeResInfo = SiSUSB_ModeResInfo; |
| 62 | SiS_Pr->SiS_StandTable = SiSUSB_StandTable; |
| 63 | |
| 64 | SiS_Pr->SiS_SModeIDTable = SiSUSB_SModeIDTable; |
| 65 | SiS_Pr->SiS_EModeIDTable = SiSUSB_EModeIDTable; |
| 66 | SiS_Pr->SiS_RefIndex = SiSUSB_RefIndex; |
| 67 | SiS_Pr->SiS_CRT1Table = SiSUSB_CRT1Table; |
| 68 | |
| 69 | SiS_Pr->SiS_VCLKData = SiSUSB_VCLKData; |
| 70 | } |
| 71 | |
| 72 | /*********************************************/ |
| 73 | /* HELPER: Get ModeID */ |
| 74 | /*********************************************/ |
| 75 | |
Adrian Bunk | df47e53 | 2006-04-15 11:17:27 +0200 | [diff] [blame] | 76 | #if 0 |
Thomas Winischhofer | 1bbb4f2 | 2005-08-29 17:01:16 +0200 | [diff] [blame] | 77 | unsigned short |
| 78 | SiSUSB_GetModeID(int HDisplay, int VDisplay, int Depth) |
| 79 | { |
| 80 | unsigned short ModeIndex = 0; |
| 81 | |
| 82 | switch (HDisplay) |
| 83 | { |
| 84 | case 320: |
| 85 | if (VDisplay == 200) |
| 86 | ModeIndex = ModeIndex_320x200[Depth]; |
| 87 | else if (VDisplay == 240) |
| 88 | ModeIndex = ModeIndex_320x240[Depth]; |
| 89 | break; |
| 90 | case 400: |
| 91 | if (VDisplay == 300) |
| 92 | ModeIndex = ModeIndex_400x300[Depth]; |
| 93 | break; |
| 94 | case 512: |
| 95 | if (VDisplay == 384) |
| 96 | ModeIndex = ModeIndex_512x384[Depth]; |
| 97 | break; |
| 98 | case 640: |
| 99 | if (VDisplay == 480) |
| 100 | ModeIndex = ModeIndex_640x480[Depth]; |
| 101 | else if (VDisplay == 400) |
| 102 | ModeIndex = ModeIndex_640x400[Depth]; |
| 103 | break; |
| 104 | case 720: |
| 105 | if (VDisplay == 480) |
| 106 | ModeIndex = ModeIndex_720x480[Depth]; |
| 107 | else if (VDisplay == 576) |
| 108 | ModeIndex = ModeIndex_720x576[Depth]; |
| 109 | break; |
| 110 | case 768: |
| 111 | if (VDisplay == 576) |
| 112 | ModeIndex = ModeIndex_768x576[Depth]; |
| 113 | break; |
| 114 | case 800: |
| 115 | if (VDisplay == 600) |
| 116 | ModeIndex = ModeIndex_800x600[Depth]; |
| 117 | else if (VDisplay == 480) |
| 118 | ModeIndex = ModeIndex_800x480[Depth]; |
| 119 | break; |
| 120 | case 848: |
| 121 | if (VDisplay == 480) |
| 122 | ModeIndex = ModeIndex_848x480[Depth]; |
| 123 | break; |
| 124 | case 856: |
| 125 | if (VDisplay == 480) |
| 126 | ModeIndex = ModeIndex_856x480[Depth]; |
| 127 | break; |
| 128 | case 960: |
| 129 | if (VDisplay == 540) |
| 130 | ModeIndex = ModeIndex_960x540[Depth]; |
| 131 | else if (VDisplay == 600) |
| 132 | ModeIndex = ModeIndex_960x600[Depth]; |
| 133 | break; |
| 134 | case 1024: |
| 135 | if (VDisplay == 576) |
| 136 | ModeIndex = ModeIndex_1024x576[Depth]; |
| 137 | else if (VDisplay == 768) |
| 138 | ModeIndex = ModeIndex_1024x768[Depth]; |
| 139 | break; |
| 140 | case 1152: |
| 141 | if (VDisplay == 864) |
| 142 | ModeIndex = ModeIndex_1152x864[Depth]; |
| 143 | break; |
| 144 | case 1280: |
| 145 | switch (VDisplay) { |
| 146 | case 720: |
| 147 | ModeIndex = ModeIndex_1280x720[Depth]; |
| 148 | break; |
| 149 | case 768: |
| 150 | ModeIndex = ModeIndex_1280x768[Depth]; |
| 151 | break; |
| 152 | case 1024: |
| 153 | ModeIndex = ModeIndex_1280x1024[Depth]; |
| 154 | break; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | return ModeIndex; |
| 159 | } |
Adrian Bunk | df47e53 | 2006-04-15 11:17:27 +0200 | [diff] [blame] | 160 | #endif /* 0 */ |
Thomas Winischhofer | 1bbb4f2 | 2005-08-29 17:01:16 +0200 | [diff] [blame] | 161 | |
| 162 | /*********************************************/ |
| 163 | /* HELPER: SetReg, GetReg */ |
| 164 | /*********************************************/ |
| 165 | |
| 166 | static void |
| 167 | SiS_SetReg(struct SiS_Private *SiS_Pr, unsigned long port, |
| 168 | unsigned short index, unsigned short data) |
| 169 | { |
| 170 | sisusb_setidxreg(SiS_Pr->sisusb, port, index, data); |
| 171 | } |
| 172 | |
| 173 | static void |
| 174 | SiS_SetRegByte(struct SiS_Private *SiS_Pr, unsigned long port, |
| 175 | unsigned short data) |
| 176 | { |
| 177 | sisusb_setreg(SiS_Pr->sisusb, port, data); |
| 178 | } |
| 179 | |
| 180 | static unsigned char |
| 181 | SiS_GetReg(struct SiS_Private *SiS_Pr, unsigned long port, |
| 182 | unsigned short index) |
| 183 | { |
| 184 | u8 data; |
| 185 | |
| 186 | sisusb_getidxreg(SiS_Pr->sisusb, port, index, &data); |
| 187 | |
| 188 | return data; |
| 189 | } |
| 190 | |
| 191 | static unsigned char |
| 192 | SiS_GetRegByte(struct SiS_Private *SiS_Pr, unsigned long port) |
| 193 | { |
| 194 | u8 data; |
| 195 | |
| 196 | sisusb_getreg(SiS_Pr->sisusb, port, &data); |
| 197 | |
| 198 | return data; |
| 199 | } |
| 200 | |
| 201 | static void |
| 202 | SiS_SetRegANDOR(struct SiS_Private *SiS_Pr, unsigned long port, |
| 203 | unsigned short index, unsigned short DataAND, |
| 204 | unsigned short DataOR) |
| 205 | { |
| 206 | sisusb_setidxregandor(SiS_Pr->sisusb, port, index, DataAND, DataOR); |
| 207 | } |
| 208 | |
| 209 | static void |
| 210 | SiS_SetRegAND(struct SiS_Private *SiS_Pr, unsigned long port, |
| 211 | unsigned short index, unsigned short DataAND) |
| 212 | { |
| 213 | sisusb_setidxregand(SiS_Pr->sisusb, port, index, DataAND); |
| 214 | } |
| 215 | |
| 216 | static void |
| 217 | SiS_SetRegOR(struct SiS_Private *SiS_Pr,unsigned long port, |
| 218 | unsigned short index, unsigned short DataOR) |
| 219 | { |
| 220 | sisusb_setidxregor(SiS_Pr->sisusb, port, index, DataOR); |
| 221 | } |
| 222 | |
| 223 | /*********************************************/ |
| 224 | /* HELPER: DisplayOn, DisplayOff */ |
| 225 | /*********************************************/ |
| 226 | |
| 227 | static void |
| 228 | SiS_DisplayOn(struct SiS_Private *SiS_Pr) |
| 229 | { |
| 230 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0xDF); |
| 231 | } |
| 232 | |
| 233 | /*********************************************/ |
| 234 | /* HELPER: Init Port Addresses */ |
| 235 | /*********************************************/ |
| 236 | |
Adrian Bunk | df47e53 | 2006-04-15 11:17:27 +0200 | [diff] [blame] | 237 | static void |
Thomas Winischhofer | 1bbb4f2 | 2005-08-29 17:01:16 +0200 | [diff] [blame] | 238 | SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr) |
| 239 | { |
| 240 | SiS_Pr->SiS_P3c4 = BaseAddr + 0x14; |
| 241 | SiS_Pr->SiS_P3d4 = BaseAddr + 0x24; |
| 242 | SiS_Pr->SiS_P3c0 = BaseAddr + 0x10; |
| 243 | SiS_Pr->SiS_P3ce = BaseAddr + 0x1e; |
| 244 | SiS_Pr->SiS_P3c2 = BaseAddr + 0x12; |
| 245 | SiS_Pr->SiS_P3ca = BaseAddr + 0x1a; |
| 246 | SiS_Pr->SiS_P3c6 = BaseAddr + 0x16; |
| 247 | SiS_Pr->SiS_P3c7 = BaseAddr + 0x17; |
| 248 | SiS_Pr->SiS_P3c8 = BaseAddr + 0x18; |
| 249 | SiS_Pr->SiS_P3c9 = BaseAddr + 0x19; |
| 250 | SiS_Pr->SiS_P3cb = BaseAddr + 0x1b; |
| 251 | SiS_Pr->SiS_P3cc = BaseAddr + 0x1c; |
| 252 | SiS_Pr->SiS_P3cd = BaseAddr + 0x1d; |
| 253 | SiS_Pr->SiS_P3da = BaseAddr + 0x2a; |
| 254 | SiS_Pr->SiS_Part1Port = BaseAddr + SIS_CRT2_PORT_04; |
| 255 | } |
| 256 | |
| 257 | /*********************************************/ |
| 258 | /* HELPER: GetSysFlags */ |
| 259 | /*********************************************/ |
| 260 | |
| 261 | static void |
| 262 | SiS_GetSysFlags(struct SiS_Private *SiS_Pr) |
| 263 | { |
| 264 | SiS_Pr->SiS_MyCR63 = 0x63; |
| 265 | } |
| 266 | |
| 267 | /*********************************************/ |
| 268 | /* HELPER: Init PCI & Engines */ |
| 269 | /*********************************************/ |
| 270 | |
| 271 | static void |
| 272 | SiSInitPCIetc(struct SiS_Private *SiS_Pr) |
| 273 | { |
| 274 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x20, 0xa1); |
| 275 | /* - Enable 2D (0x40) |
| 276 | * - Enable 3D (0x02) |
| 277 | * - Enable 3D vertex command fetch (0x10) |
| 278 | * - Enable 3D command parser (0x08) |
| 279 | * - Enable 3D G/L transformation engine (0x80) |
| 280 | */ |
| 281 | SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1E, 0xDA); |
| 282 | } |
| 283 | |
| 284 | /*********************************************/ |
| 285 | /* HELPER: SET SEGMENT REGISTERS */ |
| 286 | /*********************************************/ |
| 287 | |
| 288 | static void |
| 289 | SiS_SetSegRegLower(struct SiS_Private *SiS_Pr, unsigned short value) |
| 290 | { |
| 291 | unsigned short temp; |
| 292 | |
| 293 | value &= 0x00ff; |
| 294 | temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0xf0; |
| 295 | temp |= (value >> 4); |
| 296 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp); |
| 297 | temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0xf0; |
| 298 | temp |= (value & 0x0f); |
| 299 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp); |
| 300 | } |
| 301 | |
| 302 | static void |
| 303 | SiS_SetSegRegUpper(struct SiS_Private *SiS_Pr, unsigned short value) |
| 304 | { |
| 305 | unsigned short temp; |
| 306 | |
| 307 | value &= 0x00ff; |
| 308 | temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0x0f; |
| 309 | temp |= (value & 0xf0); |
| 310 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp); |
| 311 | temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0x0f; |
| 312 | temp |= (value << 4); |
| 313 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp); |
| 314 | } |
| 315 | |
| 316 | static void |
| 317 | SiS_SetSegmentReg(struct SiS_Private *SiS_Pr, unsigned short value) |
| 318 | { |
| 319 | SiS_SetSegRegLower(SiS_Pr, value); |
| 320 | SiS_SetSegRegUpper(SiS_Pr, value); |
| 321 | } |
| 322 | |
| 323 | static void |
| 324 | SiS_ResetSegmentReg(struct SiS_Private *SiS_Pr) |
| 325 | { |
| 326 | SiS_SetSegmentReg(SiS_Pr, 0); |
| 327 | } |
| 328 | |
| 329 | static void |
| 330 | SiS_SetSegmentRegOver(struct SiS_Private *SiS_Pr, unsigned short value) |
| 331 | { |
| 332 | unsigned short temp = value >> 8; |
| 333 | |
| 334 | temp &= 0x07; |
| 335 | temp |= (temp << 4); |
| 336 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1d, temp); |
| 337 | SiS_SetSegmentReg(SiS_Pr, value); |
| 338 | } |
| 339 | |
| 340 | static void |
| 341 | SiS_ResetSegmentRegOver(struct SiS_Private *SiS_Pr) |
| 342 | { |
| 343 | SiS_SetSegmentRegOver(SiS_Pr, 0); |
| 344 | } |
| 345 | |
| 346 | static void |
| 347 | SiS_ResetSegmentRegisters(struct SiS_Private *SiS_Pr) |
| 348 | { |
| 349 | SiS_ResetSegmentReg(SiS_Pr); |
| 350 | SiS_ResetSegmentRegOver(SiS_Pr); |
| 351 | } |
| 352 | |
| 353 | /*********************************************/ |
| 354 | /* HELPER: SearchModeID */ |
| 355 | /*********************************************/ |
| 356 | |
| 357 | static int |
| 358 | SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo, |
| 359 | unsigned short *ModeIdIndex) |
| 360 | { |
| 361 | if ((*ModeNo) <= 0x13) { |
| 362 | |
| 363 | if ((*ModeNo) != 0x03) |
| 364 | return 0; |
| 365 | |
| 366 | (*ModeIdIndex) = 0; |
| 367 | |
| 368 | } else { |
| 369 | |
| 370 | for(*ModeIdIndex = 0; ;(*ModeIdIndex)++) { |
| 371 | |
| 372 | if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == (*ModeNo)) |
| 373 | break; |
| 374 | |
| 375 | if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == 0xFF) |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | } |
| 380 | |
| 381 | return 1; |
| 382 | } |
| 383 | |
| 384 | /*********************************************/ |
| 385 | /* HELPER: ENABLE CRT1 */ |
| 386 | /*********************************************/ |
| 387 | |
| 388 | static void |
| 389 | SiS_HandleCRT1(struct SiS_Private *SiS_Pr) |
| 390 | { |
| 391 | /* Enable CRT1 gating */ |
| 392 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, SiS_Pr->SiS_MyCR63, 0xbf); |
| 393 | } |
| 394 | |
| 395 | /*********************************************/ |
| 396 | /* HELPER: GetColorDepth */ |
| 397 | /*********************************************/ |
| 398 | |
| 399 | static unsigned short |
| 400 | SiS_GetColorDepth(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 401 | unsigned short ModeIdIndex) |
| 402 | { |
| 403 | static const unsigned short ColorDepth[6] = { 1, 2, 4, 4, 6, 8}; |
| 404 | unsigned short modeflag; |
| 405 | short index; |
| 406 | |
| 407 | if (ModeNo <= 0x13) { |
| 408 | modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag; |
| 409 | } else { |
| 410 | modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; |
| 411 | } |
| 412 | |
| 413 | index = (modeflag & ModeTypeMask) - ModeEGA; |
| 414 | if (index < 0) index = 0; |
| 415 | return ColorDepth[index]; |
| 416 | } |
| 417 | |
| 418 | /*********************************************/ |
| 419 | /* HELPER: GetOffset */ |
| 420 | /*********************************************/ |
| 421 | |
| 422 | static unsigned short |
| 423 | SiS_GetOffset(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 424 | unsigned short ModeIdIndex, unsigned short rrti) |
| 425 | { |
| 426 | unsigned short xres, temp, colordepth, infoflag; |
| 427 | |
| 428 | infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag; |
| 429 | xres = SiS_Pr->SiS_RefIndex[rrti].XRes; |
| 430 | |
| 431 | colordepth = SiS_GetColorDepth(SiS_Pr, ModeNo, ModeIdIndex); |
| 432 | |
| 433 | temp = xres / 16; |
| 434 | |
| 435 | if (infoflag & InterlaceMode) |
| 436 | temp <<= 1; |
| 437 | |
| 438 | temp *= colordepth; |
| 439 | |
| 440 | if (xres % 16) |
| 441 | temp += (colordepth >> 1); |
| 442 | |
| 443 | return temp; |
| 444 | } |
| 445 | |
| 446 | /*********************************************/ |
| 447 | /* SEQ */ |
| 448 | /*********************************************/ |
| 449 | |
| 450 | static void |
| 451 | SiS_SetSeqRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) |
| 452 | { |
| 453 | unsigned char SRdata; |
| 454 | int i; |
| 455 | |
| 456 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x00, 0x03); |
| 457 | |
| 458 | SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[0] | 0x20; |
| 459 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, SRdata); |
| 460 | |
| 461 | for(i = 2; i <= 4; i++) { |
| 462 | SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[i-1]; |
| 463 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, SRdata); |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | /*********************************************/ |
| 468 | /* MISC */ |
| 469 | /*********************************************/ |
| 470 | |
| 471 | static void |
| 472 | SiS_SetMiscRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) |
| 473 | { |
| 474 | unsigned char Miscdata = SiS_Pr->SiS_StandTable[StandTableIndex].MISC; |
| 475 | |
| 476 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c2, Miscdata); |
| 477 | } |
| 478 | |
| 479 | /*********************************************/ |
| 480 | /* CRTC */ |
| 481 | /*********************************************/ |
| 482 | |
| 483 | static void |
| 484 | SiS_SetCRTCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) |
| 485 | { |
| 486 | unsigned char CRTCdata; |
| 487 | unsigned short i; |
| 488 | |
| 489 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f); |
| 490 | |
| 491 | for(i = 0; i <= 0x18; i++) { |
| 492 | CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i]; |
| 493 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, i, CRTCdata); |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | /*********************************************/ |
| 498 | /* ATT */ |
| 499 | /*********************************************/ |
| 500 | |
| 501 | static void |
| 502 | SiS_SetATTRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) |
| 503 | { |
| 504 | unsigned char ARdata; |
| 505 | unsigned short i; |
| 506 | |
| 507 | for(i = 0; i <= 0x13; i++) { |
| 508 | ARdata = SiS_Pr->SiS_StandTable[StandTableIndex].ATTR[i]; |
| 509 | SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); |
| 510 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, i); |
| 511 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, ARdata); |
| 512 | } |
| 513 | SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); |
| 514 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x14); |
| 515 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x00); |
| 516 | |
| 517 | SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); |
| 518 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x20); |
| 519 | SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); |
| 520 | } |
| 521 | |
| 522 | /*********************************************/ |
| 523 | /* GRC */ |
| 524 | /*********************************************/ |
| 525 | |
| 526 | static void |
| 527 | SiS_SetGRCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) |
| 528 | { |
| 529 | unsigned char GRdata; |
| 530 | unsigned short i; |
| 531 | |
| 532 | for(i = 0; i <= 0x08; i++) { |
| 533 | GRdata = SiS_Pr->SiS_StandTable[StandTableIndex].GRC[i]; |
| 534 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3ce, i, GRdata); |
| 535 | } |
| 536 | |
| 537 | if (SiS_Pr->SiS_ModeType > ModeVGA) { |
| 538 | /* 256 color disable */ |
| 539 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3ce, 0x05, 0xBF); |
| 540 | } |
| 541 | } |
| 542 | |
| 543 | /*********************************************/ |
| 544 | /* CLEAR EXTENDED REGISTERS */ |
| 545 | /*********************************************/ |
| 546 | |
| 547 | static void |
| 548 | SiS_ClearExt1Regs(struct SiS_Private *SiS_Pr, unsigned short ModeNo) |
| 549 | { |
| 550 | int i; |
| 551 | |
| 552 | for(i = 0x0A; i <= 0x0E; i++) { |
| 553 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, 0x00); |
| 554 | } |
| 555 | |
| 556 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x37, 0xFE); |
| 557 | } |
| 558 | |
| 559 | /*********************************************/ |
| 560 | /* Get rate index */ |
| 561 | /*********************************************/ |
| 562 | |
| 563 | static unsigned short |
| 564 | SiS_GetRatePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 565 | unsigned short ModeIdIndex) |
| 566 | { |
| 567 | unsigned short rrti, i, index, temp; |
| 568 | |
| 569 | if (ModeNo <= 0x13) |
| 570 | return 0xFFFF; |
| 571 | |
| 572 | index = SiS_GetReg(SiS_Pr,SiS_Pr->SiS_P3d4, 0x33) & 0x0F; |
| 573 | if (index > 0) index--; |
| 574 | |
| 575 | rrti = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex; |
| 576 | ModeNo = SiS_Pr->SiS_RefIndex[rrti].ModeID; |
| 577 | |
| 578 | i = 0; |
| 579 | do { |
| 580 | if (SiS_Pr->SiS_RefIndex[rrti + i].ModeID != ModeNo) |
| 581 | break; |
| 582 | |
| 583 | temp = SiS_Pr->SiS_RefIndex[rrti + i].Ext_InfoFlag & ModeTypeMask; |
| 584 | if (temp < SiS_Pr->SiS_ModeType) |
| 585 | break; |
| 586 | |
| 587 | i++; |
| 588 | index--; |
| 589 | } while(index != 0xFFFF); |
| 590 | |
| 591 | i--; |
| 592 | |
| 593 | return (rrti + i); |
| 594 | } |
| 595 | |
| 596 | /*********************************************/ |
| 597 | /* SYNC */ |
| 598 | /*********************************************/ |
| 599 | |
| 600 | static void |
| 601 | SiS_SetCRT1Sync(struct SiS_Private *SiS_Pr, unsigned short rrti) |
| 602 | { |
| 603 | unsigned short sync = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag >> 8; |
| 604 | sync &= 0xC0; |
| 605 | sync |= 0x2f; |
| 606 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c2, sync); |
| 607 | } |
| 608 | |
| 609 | /*********************************************/ |
| 610 | /* CRTC/2 */ |
| 611 | /*********************************************/ |
| 612 | |
| 613 | static void |
| 614 | SiS_SetCRT1CRTC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 615 | unsigned short ModeIdIndex, unsigned short rrti) |
| 616 | { |
| 617 | unsigned char index; |
| 618 | unsigned short temp, i, j, modeflag; |
| 619 | |
| 620 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4,0x11,0x7f); |
| 621 | |
| 622 | modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; |
| 623 | |
| 624 | index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRT1CRTC; |
| 625 | |
| 626 | for(i = 0,j = 0; i <= 7; i++, j++) { |
| 627 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j, |
| 628 | SiS_Pr->SiS_CRT1Table[index].CR[i]); |
| 629 | } |
| 630 | for(j = 0x10; i <= 10; i++, j++) { |
| 631 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j, |
| 632 | SiS_Pr->SiS_CRT1Table[index].CR[i]); |
| 633 | } |
| 634 | for(j = 0x15; i <= 12; i++, j++) { |
| 635 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j, |
| 636 | SiS_Pr->SiS_CRT1Table[index].CR[i]); |
| 637 | } |
| 638 | for(j = 0x0A; i <= 15; i++, j++) { |
| 639 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, j, |
| 640 | SiS_Pr->SiS_CRT1Table[index].CR[i]); |
| 641 | } |
| 642 | |
| 643 | temp = SiS_Pr->SiS_CRT1Table[index].CR[16] & 0xE0; |
| 644 | SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4, 0x0E, temp); |
| 645 | |
| 646 | temp = ((SiS_Pr->SiS_CRT1Table[index].CR[16]) & 0x01) << 5; |
| 647 | if (modeflag & DoubleScanMode) temp |= 0x80; |
| 648 | SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x09, 0x5F, temp); |
| 649 | |
| 650 | if (SiS_Pr->SiS_ModeType > ModeVGA) |
| 651 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x14, 0x4F); |
| 652 | } |
| 653 | |
| 654 | /*********************************************/ |
| 655 | /* OFFSET & PITCH */ |
| 656 | /*********************************************/ |
| 657 | /* (partly overruled by SetPitch() in XF86) */ |
| 658 | /*********************************************/ |
| 659 | |
| 660 | static void |
| 661 | SiS_SetCRT1Offset(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 662 | unsigned short ModeIdIndex, unsigned short rrti) |
| 663 | { |
| 664 | unsigned short du = SiS_GetOffset(SiS_Pr, ModeNo, ModeIdIndex, rrti); |
| 665 | unsigned short infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag; |
| 666 | unsigned short temp; |
| 667 | |
| 668 | temp = (du >> 8) & 0x0f; |
| 669 | SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0E, 0xF0, temp); |
| 670 | |
| 671 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x13, (du & 0xFF)); |
| 672 | |
| 673 | if (infoflag & InterlaceMode) du >>= 1; |
| 674 | |
| 675 | du <<= 5; |
| 676 | temp = (du >> 8) & 0xff; |
| 677 | if (du & 0xff) temp++; |
| 678 | temp++; |
| 679 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x10, temp); |
| 680 | } |
| 681 | |
| 682 | /*********************************************/ |
| 683 | /* VCLK */ |
| 684 | /*********************************************/ |
| 685 | |
| 686 | static void |
| 687 | SiS_SetCRT1VCLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 688 | unsigned short rrti) |
| 689 | { |
| 690 | unsigned short index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK; |
| 691 | unsigned short clka = SiS_Pr->SiS_VCLKData[index].SR2B; |
| 692 | unsigned short clkb = SiS_Pr->SiS_VCLKData[index].SR2C; |
| 693 | |
| 694 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4,0x31,0xCF); |
| 695 | |
| 696 | SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4,0x2B,clka); |
| 697 | SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4,0x2C,clkb); |
| 698 | SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4,0x2D,0x01); |
| 699 | } |
| 700 | |
| 701 | /*********************************************/ |
| 702 | /* FIFO */ |
| 703 | /*********************************************/ |
| 704 | |
| 705 | static void |
| 706 | SiS_SetCRT1FIFO_310(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 707 | unsigned short mi) |
| 708 | { |
| 709 | unsigned short modeflag = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag; |
| 710 | |
| 711 | /* disable auto-threshold */ |
| 712 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0xFE); |
| 713 | |
| 714 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0xAE); |
| 715 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x09, 0xF0); |
| 716 | |
| 717 | if (ModeNo <= 0x13) |
| 718 | return; |
| 719 | |
| 720 | if ((!(modeflag & DoubleScanMode)) || (!(modeflag & HalfDCLK))) { |
| 721 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0x34); |
| 722 | SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0x01); |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | /*********************************************/ |
| 727 | /* MODE REGISTERS */ |
| 728 | /*********************************************/ |
| 729 | |
| 730 | static void |
| 731 | SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 732 | unsigned short rrti) |
| 733 | { |
| 734 | unsigned short data = 0, VCLK = 0, index = 0; |
| 735 | |
| 736 | if (ModeNo > 0x13) { |
| 737 | index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK; |
| 738 | VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK; |
| 739 | } |
| 740 | |
| 741 | if (VCLK >= 166) data |= 0x0c; |
| 742 | SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x32, 0xf3, data); |
| 743 | |
| 744 | if (VCLK >= 166) |
| 745 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1f, 0xe7); |
| 746 | |
| 747 | /* DAC speed */ |
| 748 | data = 0x03; |
| 749 | if (VCLK >= 260) |
| 750 | data = 0x00; |
| 751 | else if (VCLK >= 160) |
| 752 | data = 0x01; |
| 753 | else if (VCLK >= 135) |
| 754 | data = 0x02; |
| 755 | |
| 756 | SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x07, 0xF8, data); |
| 757 | } |
| 758 | |
| 759 | static void |
| 760 | SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 761 | unsigned short ModeIdIndex, unsigned short rrti) |
| 762 | { |
| 763 | unsigned short data, infoflag = 0, modeflag; |
| 764 | |
| 765 | if (ModeNo <= 0x13) |
| 766 | modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag; |
| 767 | else { |
| 768 | modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; |
| 769 | infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag; |
| 770 | } |
| 771 | |
| 772 | /* Disable DPMS */ |
| 773 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1F, 0x3F); |
| 774 | |
| 775 | data = 0; |
| 776 | if (ModeNo > 0x13) { |
| 777 | if (SiS_Pr->SiS_ModeType > ModeEGA) { |
| 778 | data |= 0x02; |
| 779 | data |= ((SiS_Pr->SiS_ModeType - ModeVGA) << 2); |
| 780 | } |
| 781 | if (infoflag & InterlaceMode) data |= 0x20; |
| 782 | } |
| 783 | SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x06, 0xC0, data); |
| 784 | |
| 785 | data = 0; |
| 786 | if (infoflag & InterlaceMode) { |
| 787 | /* data = (Hsync / 8) - ((Htotal / 8) / 2) + 3 */ |
| 788 | unsigned short hrs = (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x04) | |
| 789 | ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0xc0) << 2)) - 3; |
| 790 | unsigned short hto = (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x00) | |
| 791 | ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0x03) << 8)) + 5; |
| 792 | data = hrs - (hto >> 1) + 3; |
| 793 | } |
| 794 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x19, (data & 0xFF)); |
| 795 | SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x1a, 0xFC, (data >> 8)); |
| 796 | |
| 797 | if (modeflag & HalfDCLK) |
| 798 | SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0x08); |
| 799 | |
| 800 | data = 0; |
| 801 | if (modeflag & LineCompareOff) |
| 802 | data = 0x08; |
| 803 | SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0xB7, data); |
| 804 | |
| 805 | if ((SiS_Pr->SiS_ModeType == ModeEGA) && (ModeNo > 0x13)) |
| 806 | SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0x40); |
| 807 | |
| 808 | SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x31, 0xfb); |
| 809 | |
| 810 | data = 0x60; |
| 811 | if (SiS_Pr->SiS_ModeType != ModeText) { |
| 812 | data ^= 0x60; |
| 813 | if (SiS_Pr->SiS_ModeType != ModeEGA) |
| 814 | data ^= 0xA0; |
| 815 | } |
| 816 | SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x21, 0x1F, data); |
| 817 | |
| 818 | SiS_SetVCLKState(SiS_Pr, ModeNo, rrti); |
| 819 | |
| 820 | if (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x31) & 0x40) |
| 821 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x2c); |
| 822 | else |
| 823 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x6c); |
| 824 | } |
| 825 | |
| 826 | /*********************************************/ |
| 827 | /* LOAD DAC */ |
| 828 | /*********************************************/ |
| 829 | |
| 830 | static void |
| 831 | SiS_WriteDAC(struct SiS_Private *SiS_Pr, unsigned long DACData, |
| 832 | unsigned short shiftflag, unsigned short dl, unsigned short ah, |
| 833 | unsigned short al, unsigned short dh) |
| 834 | { |
| 835 | unsigned short d1, d2, d3; |
| 836 | |
| 837 | switch (dl) { |
| 838 | case 0: |
| 839 | d1 = dh; d2 = ah; d3 = al; |
| 840 | break; |
| 841 | case 1: |
| 842 | d1 = ah; d2 = al; d3 = dh; |
| 843 | break; |
| 844 | default: |
| 845 | d1 = al; d2 = dh; d3 = ah; |
| 846 | } |
| 847 | SiS_SetRegByte(SiS_Pr, DACData, (d1 << shiftflag)); |
| 848 | SiS_SetRegByte(SiS_Pr, DACData, (d2 << shiftflag)); |
| 849 | SiS_SetRegByte(SiS_Pr, DACData, (d3 << shiftflag)); |
| 850 | } |
| 851 | |
| 852 | static void |
| 853 | SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short mi) |
| 854 | { |
| 855 | unsigned short data, data2, time, i, j, k, m, n, o; |
| 856 | unsigned short si, di, bx, sf; |
| 857 | unsigned long DACAddr, DACData; |
| 858 | const unsigned char *table = NULL; |
| 859 | |
| 860 | if (ModeNo < 0x13) |
| 861 | data = SiS_Pr->SiS_SModeIDTable[mi].St_ModeFlag; |
| 862 | else |
| 863 | data = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag; |
| 864 | |
| 865 | data &= DACInfoFlag; |
| 866 | |
| 867 | j = time = 64; |
| 868 | if (data == 0x00) |
| 869 | table = SiS_MDA_DAC; |
| 870 | else if (data == 0x08) |
| 871 | table = SiS_CGA_DAC; |
| 872 | else if (data == 0x10) |
| 873 | table = SiS_EGA_DAC; |
| 874 | else { |
| 875 | j = 16; |
| 876 | time = 256; |
| 877 | table = SiS_VGA_DAC; |
| 878 | } |
| 879 | |
| 880 | DACAddr = SiS_Pr->SiS_P3c8; |
| 881 | DACData = SiS_Pr->SiS_P3c9; |
| 882 | sf = 0; |
| 883 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF); |
| 884 | |
| 885 | SiS_SetRegByte(SiS_Pr, DACAddr, 0x00); |
| 886 | |
| 887 | for(i = 0; i < j; i++) { |
| 888 | data = table[i]; |
| 889 | for(k = 0; k < 3; k++) { |
| 890 | data2 = 0; |
| 891 | if (data & 0x01) data2 += 0x2A; |
| 892 | if (data & 0x02) data2 += 0x15; |
| 893 | SiS_SetRegByte(SiS_Pr, DACData, (data2 << sf)); |
| 894 | data >>= 2; |
| 895 | } |
| 896 | } |
| 897 | |
| 898 | if (time == 256) { |
| 899 | for(i = 16; i < 32; i++) { |
| 900 | data = table[i] << sf; |
| 901 | for(k = 0; k < 3; k++) |
| 902 | SiS_SetRegByte(SiS_Pr, DACData, data); |
| 903 | } |
| 904 | si = 32; |
| 905 | for(m = 0; m < 9; m++) { |
| 906 | di = si; |
| 907 | bx = si + 4; |
| 908 | for(n = 0; n < 3; n++) { |
| 909 | for(o = 0; o < 5; o++) { |
| 910 | SiS_WriteDAC(SiS_Pr, DACData, sf, n, |
| 911 | table[di], table[bx], table[si]); |
| 912 | si++; |
| 913 | } |
| 914 | si -= 2; |
| 915 | for(o = 0; o < 3; o++) { |
| 916 | SiS_WriteDAC(SiS_Pr, DACData, sf, n, |
| 917 | table[di], table[si], table[bx]); |
| 918 | si--; |
| 919 | } |
| 920 | } |
| 921 | si += 5; |
| 922 | } |
| 923 | } |
| 924 | } |
| 925 | |
| 926 | /*********************************************/ |
| 927 | /* SET CRT1 REGISTER GROUP */ |
| 928 | /*********************************************/ |
| 929 | |
| 930 | static void |
| 931 | SiS_SetCRT1Group(struct SiS_Private *SiS_Pr, unsigned short ModeNo, |
| 932 | unsigned short ModeIdIndex) |
| 933 | { |
| 934 | unsigned short StandTableIndex, rrti; |
| 935 | |
| 936 | SiS_Pr->SiS_CRT1Mode = ModeNo; |
| 937 | |
| 938 | if (ModeNo <= 0x13) |
| 939 | StandTableIndex = 0; |
| 940 | else |
| 941 | StandTableIndex = 1; |
| 942 | |
| 943 | SiS_ResetSegmentRegisters(SiS_Pr); |
| 944 | SiS_SetSeqRegs(SiS_Pr, StandTableIndex); |
| 945 | SiS_SetMiscRegs(SiS_Pr, StandTableIndex); |
| 946 | SiS_SetCRTCRegs(SiS_Pr, StandTableIndex); |
| 947 | SiS_SetATTRegs(SiS_Pr, StandTableIndex); |
| 948 | SiS_SetGRCRegs(SiS_Pr, StandTableIndex); |
| 949 | SiS_ClearExt1Regs(SiS_Pr, ModeNo); |
| 950 | |
| 951 | rrti = SiS_GetRatePtr(SiS_Pr, ModeNo, ModeIdIndex); |
| 952 | |
| 953 | if (rrti != 0xFFFF) { |
| 954 | SiS_SetCRT1Sync(SiS_Pr, rrti); |
| 955 | SiS_SetCRT1CRTC(SiS_Pr, ModeNo, ModeIdIndex, rrti); |
| 956 | SiS_SetCRT1Offset(SiS_Pr, ModeNo, ModeIdIndex, rrti); |
| 957 | SiS_SetCRT1VCLK(SiS_Pr, ModeNo, rrti); |
| 958 | } |
| 959 | |
| 960 | SiS_SetCRT1FIFO_310(SiS_Pr, ModeNo, ModeIdIndex); |
| 961 | |
| 962 | SiS_SetCRT1ModeRegs(SiS_Pr, ModeNo, ModeIdIndex, rrti); |
| 963 | |
| 964 | SiS_LoadDAC(SiS_Pr, ModeNo, ModeIdIndex); |
| 965 | |
| 966 | SiS_DisplayOn(SiS_Pr); |
| 967 | } |
| 968 | |
| 969 | /*********************************************/ |
| 970 | /* SiSSetMode() */ |
| 971 | /*********************************************/ |
| 972 | |
| 973 | int |
| 974 | SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo) |
| 975 | { |
| 976 | unsigned short ModeIdIndex; |
| 977 | unsigned long BaseAddr = SiS_Pr->IOAddress; |
| 978 | |
| 979 | SiSUSB_InitPtr(SiS_Pr); |
| 980 | SiSUSBRegInit(SiS_Pr, BaseAddr); |
| 981 | SiS_GetSysFlags(SiS_Pr); |
| 982 | |
| 983 | if (!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) |
| 984 | return 0; |
| 985 | |
| 986 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x05, 0x86); |
| 987 | |
| 988 | SiSInitPCIetc(SiS_Pr); |
| 989 | |
| 990 | ModeNo &= 0x7f; |
| 991 | |
| 992 | SiS_Pr->SiS_ModeType = |
| 993 | SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag & ModeTypeMask; |
| 994 | |
| 995 | SiS_Pr->SiS_SetFlag = LowModeTests; |
| 996 | |
| 997 | /* Set mode on CRT1 */ |
| 998 | SiS_SetCRT1Group(SiS_Pr, ModeNo, ModeIdIndex); |
| 999 | |
| 1000 | SiS_HandleCRT1(SiS_Pr); |
| 1001 | |
| 1002 | SiS_DisplayOn(SiS_Pr); |
| 1003 | SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF); |
| 1004 | |
| 1005 | /* Store mode number */ |
| 1006 | SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x34, ModeNo); |
| 1007 | |
| 1008 | return 1; |
| 1009 | } |
| 1010 | |
| 1011 | int |
| 1012 | SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo) |
| 1013 | { |
| 1014 | unsigned short ModeNo = 0; |
| 1015 | int i; |
| 1016 | |
| 1017 | SiSUSB_InitPtr(SiS_Pr); |
| 1018 | |
| 1019 | if (VModeNo == 0x03) { |
| 1020 | |
| 1021 | ModeNo = 0x03; |
| 1022 | |
| 1023 | } else { |
| 1024 | |
| 1025 | i = 0; |
| 1026 | do { |
| 1027 | |
| 1028 | if (SiS_Pr->SiS_EModeIDTable[i].Ext_VESAID == VModeNo) { |
| 1029 | ModeNo = SiS_Pr->SiS_EModeIDTable[i].Ext_ModeID; |
| 1030 | break; |
| 1031 | } |
| 1032 | |
| 1033 | } while (SiS_Pr->SiS_EModeIDTable[i++].Ext_ModeID != 0xff); |
| 1034 | |
| 1035 | } |
| 1036 | |
| 1037 | if (!ModeNo) |
| 1038 | return 0; |
| 1039 | |
| 1040 | return SiSUSBSetMode(SiS_Pr, ModeNo); |
| 1041 | } |
| 1042 | |
| 1043 | #endif /* INCL_SISUSB_CON */ |
| 1044 | |
| 1045 | |
| 1046 | |
| 1047 | |