src/sis.h

   1 /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sis/sis.h,v 1.108 2004/01/27 11:58:27 twini Exp $ */
   2 /*
   3  * Main global data and definitions
   4  *
   5  * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1) Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2) Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3) All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement: "This product includes
  17  *    software developed by Thomas Winischhofer, Vienna, Austria."
  18  * 4) The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * Authors:   Thomas Winischhofer <thomas@winischhofer.net>
  33  *            others (old code base)
  34  *
  35  */
  36
  37 #ifndef _SIS_H
  38 #define _SIS_H_
  39
  40 /* Always unlock the registers (should be set!) */
  41 #define UNLOCK_ALWAYS
  42
  43 #define SISDRIVERVERSIONYEAR    4
  44 #define SISDRIVERVERSIONMONTH   1
  45 #define SISDRIVERVERSIONDAY     27
  46 #define SISDRIVERREVISION       1
  47
  48 #define SISDRIVERIVERSION (SISDRIVERVERSIONYEAR << 16) | (SISDRIVERVERSIONMONTH << 8) \
  49                           | SISDRIVERVERSIONDAY | (SISDRIVERREVISION << 24)
  50
  51 #if 0
  52 #define TWDEBUG    /* for debugging */
  53 #endif
  54
  55 #if 0
  56 #include "siscp.H"
  57 #else
  58 #undef SIS_CP
  59 #endif
  60
  61 #include "xf86Pci.h"
  62 #include "xf86Cursor.h"
  63 #include "xf86_ansic.h"
  64 #include "xf86xv.h"
  65 #include "compiler.h"
  66 #include "xaa.h"
  67 #include "vgaHW.h"
  68 #include "vbe.h"
  69
  70 #include "osdef.h"
  71 #include "vgatypes.h"
  72 #include "vstruct.h"
  73
  74 #ifdef XF86DRI
  75 #undef SISNEWDRI
  76 #undef SISNEWDRI2
  77 #if XF86_VERSION_CURRENT >= XF86_VERSION_NUMERIC(4,3,99,14,0)
  78 #define SISNEWDRI
  79 #if XF86_VERSION_CURRENT >= XF86_VERSION_NUMERIC(4,4,99,99,0)   /* Adapt this when the time has come */
  80 #define SISNEWDRI2
  81 #endif
  82 #endif
  83 #include "xf86drm.h"
  84 #include "sarea.h"
  85 #define _XF86DRI_SERVER_
  86 #include "xf86dri.h"
  87 #include "dri.h"
  88 #include "GL/glxint.h"
  89 #include "sis_dri.h"
  90 #endif
  91
  92 #if 1
  93 #define SISDUALHEAD             /* Include Dual Head code  */
  94 #endif
  95
  96 #if 1
  97 #define SISMERGED               /* Include Merged-FB mode */
  98 #endif
  99
 100 #ifdef SISMERGED
 101 #if 1
 102 #define SISXINERAMA             /* Include SiS Pseudo-Xinerama for MergedFB mode */
 103 #define SIS_XINERAMA_MAJOR_VERSION  1
 104 #define SIS_XINERAMA_MINOR_VERSION  1
 105 #endif
 106 #endif
 107
 108 #if 1
 109 #define SISGAMMA                /* Include code for gamma correction */
 110 #endif
 111
 112 #if 1                           /* Include code for color hardware cursors */
 113 #define SIS_ARGB_CURSOR
 114 #endif
 115
 116 #if 1                           /* Include YPbPr support on SiS bridges (315 series and 661/741/760) */
 117 #define ENABLE_YPBPR
 118 #endif
 119
 120 #ifdef SISMERGED
 121 #ifdef SISXINERAMA
 122 #define NEED_REPLIES            /* ? */
 123 #define EXTENSION_PROC_ARGS void *
 124 #include "extnsionst.h"         /* required */
 125 #include "panoramiXproto.h"     /* required */
 126 #endif
 127 #endif
 128
 129 #if 1
 130 #define SISVRAMQ                /* Use VRAM queue mode on 315 series */
 131 #endif
 132
 133 #undef SIS315DRI                /* define this if dri is adapted for 315/330 series */
 134
 135 /* For SiS315/550/650/740/330/660 - these should be moved elsewhere! */
 136 #ifndef PCI_CHIP_SIS315H
 137 #define PCI_CHIP_SIS315H                0x0310
 138 #endif
 139 #ifndef PCI_CHIP_SIS315
 140 #define PCI_CHIP_SIS315                 0x0315
 141 #endif
 142 #ifndef PCI_CHIP_SIS315PRO
 143 #define PCI_CHIP_SIS315PRO              0x0325
 144 #endif
 145 #ifndef PCI_CHIP_SIS550
 146 #define PCI_CHIP_SIS550                 0x5315  /* 550_VGA */
 147 #endif
 148 #ifndef PCI_CHIP_SIS650
 149 #define PCI_CHIP_SIS650                 0x6325  /* 650_VGA and 740_VGA */
 150 #endif
 151 #ifndef PCI_CHIP_SIS330
 152 #define PCI_CHIP_SIS330                 0x0330
 153 #endif
 154 #ifndef PCI_CHIP_SIS660
 155 #define PCI_CHIP_SIS660                 0x6330  /* 661_VGA, 741_VGA, 760_VGA */
 156 #endif
 157
 158 #define SIS_NAME                "SIS"
 159 #define SIS_DRIVER_NAME         "sis"
 160 #define SIS_MAJOR_VERSION       0
 161 #define SIS_MINOR_VERSION       7
 162 #define SIS_PATCHLEVEL          0
 163 #define SIS_CURRENT_VERSION     ((SIS_MAJOR_VERSION << 16) | \
 164                                  (SIS_MINOR_VERSION << 8) | SIS_PATCHLEVEL )
 165
 166 /* pSiS->Flags (old series only) */
 167 #define SYNCDRAM                0x00000001
 168 #define RAMFLAG                 0x00000002
 169 #define ESS137xPRESENT          0x00000004
 170 #define SECRETFLAG              0x00000008
 171 #define A6326REVAB              0x00000010
 172 #define MMIOMODE                0x00010000
 173 #define LFBQMODE                0x00020000
 174 #define AGPQMODE                0x00040000
 175 #define UMA                     0x80000000
 176
 177 #define BIOS_BASE               0xC0000
 178 #define BIOS_SIZE               0x10000
 179
 180 #define SR_BUFFER_SIZE          5
 181 #define CR_BUFFER_SIZE          5
 182
 183 #define SIS_VBFlagsVersion      1
 184
 185 /* VBFlags - if anything is changed here, increase VBFlagsVersion! */
 186 #define CRT2_DEFAULT            0x00000001
 187 #define CRT2_LCD                0x00000002  /* TW: Never change the order of the CRT2_XXX entries */
 188 #define CRT2_TV                 0x00000004  /*     (see SISCycleCRT2Type())                       */
 189 #define CRT2_VGA                0x00000008
 190 #define TV_NTSC                 0x00000010
 191 #define TV_PAL                  0x00000020
 192 #define TV_HIVISION             0x00000040
 193 #define TV_YPBPR                0x00000080
 194 #define TV_AVIDEO               0x00000100
 195 #define TV_SVIDEO               0x00000200
 196 #define TV_SCART                0x00000400
 197 #define VB_CONEXANT             0x00000800
 198 #define TV_PALM                 0x00001000
 199 #define TV_PALN                 0x00002000
 200 #define TV_NTSCJ                0x00001000
 201 #define VB_302ELV               0x00004000
 202 #define TV_CHSCART              0x00008000
 203 #define TV_CHYPBPR525I          0x00010000
 204 #define CRT1_VGA                0x00000000
 205 #define CRT1_LCDA               0x00020000
 206 #define VGA2_CONNECTED          0x00040000
 207 #define DISPTYPE_CRT1           0x00080000      /* CRT1 connected and used */
 208 #define VB_301                  0x00100000      /* Video bridge type */
 209 #define VB_301B                 0x00200000
 210 #define VB_302B                 0x00400000
 211 #define VB_30xBDH               0x00800000      /* 30xB DH version (w/o LCD support) */
 212 #define VB_LVDS                 0x01000000
 213 #define VB_CHRONTEL             0x02000000
 214 #define VB_301LV                0x04000000
 215 #define VB_302LV                0x08000000
 216 #define VB_301C                 0x10000000
 217 #define SINGLE_MODE             0x20000000      /* CRT1 or CRT2; determined by DISPTYPE_CRTx */
 218 #define MIRROR_MODE             0x40000000      /* CRT1 + CRT2 identical (mirror mode) */
 219 #define DUALVIEW_MODE           0x80000000      /* CRT1 + CRT2 independent (dual head mode) */
 220
 221 /* Aliases: */
 222 #define CRT2_ENABLE             (CRT2_LCD | CRT2_TV | CRT2_VGA)
 223 #define TV_STANDARD             (TV_NTSC | TV_PAL | TV_PALM | TV_PALN | TV_NTSCJ)
 224 #define TV_INTERFACE            (TV_AVIDEO|TV_SVIDEO|TV_SCART|TV_HIVISION|TV_YPBPR)
 225
 226 /* Only if TV_YPBPR is set: */
 227 #define TV_YPBPR525I            TV_NTSC
 228 #define TV_YPBPR525P            TV_PAL
 229 #define TV_YPBPR750P            TV_PALM
 230 #define TV_YPBPR1080I           TV_PALN
 231 #define TV_YPBPRALL             (TV_YPBPR525I | TV_YPBPR525P | TV_YPBPR750P | TV_YPBPR1080I)
 232
 233 #define TV_YPBPR43LB            TV_CHSCART
 234 #define TV_YPBPR43              TV_CHYPBPR525I
 235 #define TV_YPBPR169             (TV_CHSCART | TV_CHYPBPR525I)
 236 #define TV_YPBPRAR              (TV_CHSCART | TV_CHYPBPR525I)
 237
 238 #define VB_SISBRIDGE            (VB_301|VB_301B|VB_301C|VB_302B|VB_301LV|VB_302LV|VB_302ELV)
 239 #define VB_SISTVBRIDGE          (VB_301|VB_301B|VB_301C|VB_302B|VB_301LV|VB_302LV)
 240 #define VB_VIDEOBRIDGE          (VB_SISBRIDGE | VB_LVDS | VB_CHRONTEL | VB_CONEXANT)
 241
 242 #define DISPTYPE_DISP2          CRT2_ENABLE
 243 #define DISPTYPE_DISP1          DISPTYPE_CRT1
 244 #define VB_DISPMODE_SINGLE      SINGLE_MODE     /* alias */
 245 #define VB_DISPMODE_MIRROR      MIRROR_MODE     /* alias */
 246 #define VB_DISPMODE_DUAL        DUALVIEW_MODE   /* alias */
 247 #define DISPLAY_MODE            (SINGLE_MODE | MIRROR_MODE | DUALVIEW_MODE)
 248
 249 /* pSiS->VBLCDFlags */
 250 #define VB_LCD_320x480          0x00000001      /* DSTN/FSTN for 550 */
 251 #define VB_LCD_640x480          0x00000002
 252 #define VB_LCD_800x600          0x00000004
 253 #define VB_LCD_1024x768         0x00000008
 254 #define VB_LCD_1280x1024        0x00000010
 255 #define VB_LCD_1280x960         0x00000020
 256 #define VB_LCD_1600x1200        0x00000040
 257 #define VB_LCD_2048x1536        0x00000080
 258 #define VB_LCD_1400x1050        0x00000100
 259 #define VB_LCD_1152x864         0x00000200
 260 #define VB_LCD_1152x768         0x00000400
 261 #define VB_LCD_1280x768         0x00000800
 262 #define VB_LCD_1024x600         0x00001000
 263 #define VB_LCD_640x480_2        0x00002000      /* DSTN/FSTN */
 264 #define VB_LCD_640x480_3        0x00004000      /* DSTN/FSTN */
 265 #define VB_LCD_848x480          0x00008000      /* LVDS only, otherwise handled as custom */
 266 #define VB_LCD_1280x800         0x00010000
 267 #define VB_LCD_1680x1050        0x00020000
 268 #define VB_LCD_BARCO1366        0x20000000
 269 #define VB_LCD_CUSTOM           0x40000000
 270 #define VB_LCD_EXPANDING        0x80000000
 271
 272 /* PresetMode argument */
 273 #define SIS_MODE_SIMU           0
 274 #define SIS_MODE_CRT1           1
 275 #define SIS_MODE_CRT2           2
 276
 277 /* pSiS->MiscFlags */
 278 #define MISC_CRT1OVERLAY        0x00000001  /* Current display mode supports overlay */
 279 #define MISC_PANELLINKSCALER    0x00000002  /* Panel link is currently scaling */
 280 #define MISC_CRT1OVERLAYGAMMA   0x00000004  /* Current display mode supports overlay gamma corr on CRT1 */
 281 #define MISC_TVNTSC1024         0x00000008  /* Current display mode is TV NTSC/PALM/YPBPR525I 1024x768  */
 282
 283 /* SiS6326Flags */
 284 #define SIS6326_HASTV           0x00000001
 285 #define SIS6326_TVSVIDEO        0x00000002
 286 #define SIS6326_TVCVBS          0x00000004
 287 #define SIS6326_TVPAL           0x00000008
 288 #define SIS6326_TVDETECTED      0x00000010
 289 #define SIS6326_TVON            0x80000000
 290
 291 #define HW_DEVICE_EXTENSION     SIS_HW_INFO
 292
 293 #ifdef  DEBUG
 294 #define PDEBUG(p)       p
 295 #else
 296 #define PDEBUG(p)
 297 #endif
 298
 299 #define BITMASK(h,l)             (((unsigned)(1U << ((h)-(l)+1))-1)<<(l))
 300 #define GENMASK(mask)            BITMASK(1?mask,0?mask)
 301
 302 typedef unsigned long ULong;
 303 typedef unsigned short UShort;
 304 typedef unsigned char UChar;
 305
 306 /* VGA engine types */
 307 #define UNKNOWN_VGA 0
 308 #define SIS_530_VGA 1
 309 #define SIS_OLD_VGA 2
 310 #define SIS_300_VGA 3
 311 #define SIS_315_VGA 4   /* Includes 330/660/661/741/760 and M versions thereof */
 312
 313 /* oldChipset */
 314 #define OC_UNKNOWN   0
 315 #define OC_SIS86201  1
 316 #define OC_SIS86202  2
 317 #define OC_SIS6205A  3
 318 #define OC_SIS6205B  4
 319 #define OC_SIS82204  5
 320 #define OC_SIS6205C  6
 321 #define OC_SIS6225   7
 322 #define OC_SIS5597   8
 323 #define OC_SIS6326   9
 324 #define OC_SIS530A  11
 325 #define OC_SIS530B  12
 326 #define OC_SIS620   13
 327
 328 /* Chrontel type */
 329 #define CHRONTEL_700x 0
 330 #define CHRONTEL_701x 1
 331
 332 /* ChipFlags */
 333 /* Use only lower 16 bit for chip id! (sisctrl) */
 334 #define SiSCF_LARGEOVERLAY  0x00000001
 335 #define SiSCF_Is651         0x00000002
 336 #define SiSCF_IsM650        0x00000004
 337 #define SiSCF_IsM652        0x00000008
 338 #define SiSCF_IsM653        0x00000010
 339 #define SiSCF_Is652         0x00000020
 340 #define SiSCF_Is65x         (SiSCF_Is651|SiSCF_IsM650|SiSCF_IsM652|SiSCF_IsM653|SiSCF_Is652)
 341 #define SiSCF_IsM661        0x00000100  /* M661FX */
 342 #define SiSCF_IsM741        0x00000200
 343 #define SiSCF_IsM760        0x00000400
 344 #define SiSCF_IsM661M       0x00000800  /* M661MX */
 345 #define SiSCF_IsM66x        (SiSCF_IsM661 | SiSCF_IsM741 | SiSCF_IsM760 | SiSCF_IsM661M)
 346 #define SiSCF_315Core       0x00010000  /* 3D: Real 315 */
 347 #define SiSCF_Real256ECore  0x00020000  /* 3D: Similar to 315 core, no T&L? (65x, 661, 740, 741) */
 348 #define SiSCF_XabreCore     0x00040000  /* 3D: Real Xabre */
 349 #define SiSCF_Ultra256Core  0x00080000  /* 3D: Similar to Xabre, no T&L?, no P:Shader? (660, 760) */
 350 #define SiSCF_UseLCDA       0x01000000
 351 #define SiSCF_760UMA        0x10000000  /* 760: UMA active */
 352 #define SiSCF_CRT2HWCKaputt 0x20000000  /* CRT2 Mono HWCursor engine buggy (SiS 330) */
 353 #define SiSCF_Glamour3      0x40000000
 354 #define SiSCF_Integrated    0x80000000
 355
 356 /* SiS Direct Xv-API */
 357 #define SiS_SD_IS300SERIES     0x00000001
 358 #define SiS_SD_IS315SERIES     0x00000002
 359 #define SiS_SD_IS330SERIES     0x00000004
 360 #define SiS_SD_SUPPORTPALMN    0x00000008   /* tv chip supports pal-m, pal-n */
 361 #define SiS_SD_SUPPORT2OVL     0x00000010   /* set = 2 overlays, clear = support SWITCHCRT xv prop */
 362 #define SiS_SD_SUPPORTTVPOS    0x00000020   /* supports changing tv position */
 363 #define SiS_SD_ISDUALHEAD      0x00000040   /* Driver is in dual head mode */
 364 #define SiS_SD_ISMERGEDFB      0x00000080   /* Driver is in merged fb mode */
 365 #define SiS_SD_ISDHSECONDHEAD  0x00000100   /* Dual head: This is CRT1 (=second head) */
 366 #define SiS_SD_ISDHXINERAMA    0x00000200   /* Dual head: We are running Xinerama */
 367 #define SiS_SD_VBHASSCART      0x00000400   /* videobridge has SCART instead of VGA2 */
 368 #define SiS_SD_ISDEPTH8        0x00000800   /* Depth is 8, no independent gamma correction */
 369 #define SiS_SD_SUPPORTSOVER    0x00001000   /* Support for Chrontel Super Overscan */
 370 #define SiS_SD_ENABLED         0x00002000   /* sisctrl is enabled (by option) */
 371 #define SiS_SD_PSEUDOXINERAMA  0x00004000   /* pseudo xinerama is active */
 372 #define SiS_SD_SUPPORTLCDA     0x00008000   /* Support LCD Channel A */
 373 #define SiS_SD_SUPPORTNTSCJ    0x00010000   /* tv chip supports ntsc-j */
 374 #define SiS_SD_ADDLSUPFLAG     0x00020000   /* 1 = the following flags are valid */
 375 #define SiS_SD_SUPPORTVGA2     0x00040000   /* CRT2=VGA supported */
 376 #define SiS_SD_SUPPORTSCART    0x00080000   /* CRT2=SCART supported */
 377 #define SiS_SD_SUPPORTOVERSCAN 0x00100000   /* Overscan flag supported */
 378 #define SiS_SD_SUPPORTXVGAMMA1 0x00200000   /* Xv Gamma correction for CRT1 supported */
 379 #define SiS_SD_SUPPORTTV       0x00400000   /* CRT2=TV supported */
 380 #define SiS_SD_SUPPORTYPBPR    0x00800000   /* CRT2=YPbPr (525i, 525p, 750p, 1080i) is supported */
 381 #define SiS_SD_SUPPORTHIVISION 0x01000000   /* CRT2=HiVision is supported */
 382 #define SiS_SD_SUPPORTYPBPRAR  0x02000000   /* YPbPr aspect ratio is supported */
 383
 384 #define SIS_DIRECTKEY         0x03145792
 385
 386 /* SiSCtrl: Check mode for CRT2 */
 387 #define SiS_CF2_LCD          0x01
 388 #define SiS_CF2_TV           0x02
 389 #define SiS_CF2_VGA2         0x04
 390 #define SiS_CF2_TVPAL        0x08
 391 #define SiS_CF2_TVNTSC       0x10  /* + NTSC-J */
 392 #define SiS_CF2_TVPALM       0x20
 393 #define SiS_CF2_TVPALN       0x40
 394 #define SiS_CF2_CRT1LCDA     0x80
 395 #define SiS_CF2_TYPEMASK     (SiS_CF2_LCD | SiS_CF2_TV | SiS_CF2_VGA2 | SiS_CF2_CRT1LCDA)
 396 #define SiS_CF2_TVSPECIAL    (SiS_CF2_LCD | SiS_CF2_TV)
 397 #define SiS_CF2_TVSPECMASK   (SiS_CF2_TVPAL | SiS_CF2_TVNTSC | SiS_CF2_TVPALM | SiS_CF2_TVPALN)
 398 #define SiS_CF2_TVHIVISION   SiS_CF2_TVPAL
 399 #define SiS_CF2_TVYPBPR525I  SiS_CF2_TVNTSC
 400 #define SiS_CF2_TVYPBPR525P  (SiS_CF2_TVPAL | SiS_CF2_TVNTSC)
 401 #define SiS_CF2_TVYPBPR750P  SiS_CF2_TVPALM
 402 #define SiS_CF2_TVYPBPR1080I (SiS_CF2_TVPALM | SiS_CF2_TVPAL)
 403
 404 /* AGP stuff for DRI */
 405 #define AGP_PAGE_SIZE 4096
 406 #define AGP_PAGES     2048       /* Default: 2048 pages @ 4096 = 8MB */
 407 /* 300 */
 408 #define AGP_CMDBUF_PAGES 256
 409 #define AGP_CMDBUF_SIZE (AGP_PAGE_SIZE * AGP_CMDBUF_PAGES)
 410 /* 315/330 */
 411 #define AGP_VTXBUF_PAGES 512
 412 #define AGP_VTXBUF_SIZE (AGP_PAGE_SIZE * AGP_VTXBUF_PAGES)
 413
 414 /* For backup of register contents */
 415 typedef struct {
 416     unsigned char sisRegs3C4[0x50];
 417     unsigned char sisRegs3D4[0x90];
 418     unsigned char sisRegs3C2;
 419     unsigned char sisCapt[0x60];
 420     unsigned char sisVid[0x50];
 421     unsigned char VBPart1[0x50];
 422     unsigned char VBPart2[0x100];
 423     unsigned char VBPart3[0x50];
 424     unsigned char VBPart4[0x50];
 425     unsigned short ch70xx[64];
 426     unsigned long sisMMIO85C0;
 427     unsigned char sis6326tv[0x46];
 428     unsigned long sisRegsPCI50, sisRegsPCIA0;
 429 } SISRegRec, *SISRegPtr;
 430
 431 typedef struct _sisModeInfoPtr {
 432     int width;
 433     int height;
 434     int bpp;
 435     int n;
 436     struct _sisModeInfoPtr *next;
 437 } sisModeInfoRec, *sisModeInfoPtr;
 438
 439 /* SISFBLayout is mainly there because of DGA. It holds the
 440  * current layout parameters needed for acceleration and other
 441  * stuff. When switching mode using DGA, these are set up
 442  * accordingly and not necessarily match pScrn's. Therefore,
 443  * driver modules should read these values instead of pScrn's.
 444  */
 445 typedef struct {
 446     int                bitsPerPixel;    /* = pScrn->bitsPerPixel */
 447     int                depth;           /* = pScrn->depth */
 448     int                displayWidth;    /* = pScrn->displayWidth */
 449     DisplayModePtr     mode;            /* = pScrn->currentMode */
 450 } SISFBLayout;
 451
 452 /* Dual head private entity structure */
 453 #ifdef SISDUALHEAD
 454 typedef struct {
 455     ScrnInfoPtr         pScrn_1;
 456     ScrnInfoPtr         pScrn_2;
 457     unsigned char *     BIOS;
 458     SiS_Private   *     SiS_Pr;
 459     unsigned long       agpHandle;
 460     unsigned long       agpAddr;
 461     unsigned char       *agpBase;
 462     unsigned int        agpSize;
 463     unsigned int        agpWantedSize;
 464     unsigned int        agpWantedPages;
 465     unsigned long       agpCmdBufAddr;  /* 300 series */
 466     unsigned char       *agpCmdBufBase;
 467     unsigned int        agpCmdBufSize;
 468     unsigned int        agpCmdBufFree;
 469     unsigned long       agpVtxBufAddr;  /* 315 series */
 470     unsigned char       *agpVtxBufBase;
 471     unsigned int        agpVtxBufSize;
 472     unsigned int        agpVtxBufFree;
 473 #ifdef XF86DRI
 474     sisRegion           agp;
 475     int                 drmSubFD;
 476 #endif
 477     Bool                AGPInitOK;
 478     int                 CRT1ModeNo;             /* Current display mode for CRT1 */
 479     DisplayModePtr      CRT1DMode;              /* Current display mode for CRT1 */
 480     int                 CRT2ModeNo;             /* Current display mode for CRT2 */
 481     DisplayModePtr      CRT2DMode;              /* Current display mode for CRT2 */
 482     Bool                CRT2ModeSet;            /* CRT2 mode has been set */
 483     Bool                CRT2IsCustom;
 484     unsigned char       CRT2CR30, CRT2CR31, CRT2CR35, CRT2CR38;
 485     int                 refCount;
 486     int                 lastInstance;           /* number of entities */
 487     Bool                DisableDual;            /* Emergency flag */
 488     Bool                ErrorAfterFirst;        /* Emergency flag: Error after first init -> Abort second */
 489     Bool                HWCursor;               /* Backup master settings for use on slave */
 490     Bool                TurboQueue;
 491     int                 ForceCRT1Type;
 492     int                 ForceCRT2Type;
 493     int                 OptTVStand;
 494     int                 OptTVOver;
 495     int                 OptTVSOver;
 496     int                 OptROMUsage;
 497     int                 OptUseOEM;
 498     Bool                NoAccel;
 499     int                 forceCRT1;
 500     int                 DSTN, FSTN;
 501     Bool                XvOnCRT2;
 502     int                 maxUsedClock;           /* Max used pixelclock on master head */
 503     unsigned long       masterFbAddress;        /* Framebuffer addresses and sizes */
 504     unsigned long       masterFbSize;
 505     unsigned long       slaveFbAddress;
 506     unsigned long       slaveFbSize;
 507     unsigned char *     FbBase;                 /* VRAM linear address */
 508     unsigned char *     IOBase;                 /* MMIO linear address */
 509     unsigned short      MapCountIOBase;         /* map/unmap queue counter */
 510     unsigned short      MapCountFbBase;         /* map/unmap queue counter */
 511     Bool                forceUnmapIOBase;       /* ignore counter and unmap */
 512     Bool                forceUnmapFbBase;       /* ignore counter and unmap */
 513 #ifdef __alpha__
 514     unsigned char *     IOBaseDense;            /* MMIO for Alpha platform */
 515     unsigned short      MapCountIOBaseDense;
 516     Bool                forceUnmapIOBaseDense;  /* ignore counter and unmap */
 517 #endif
 518     int                 chtvlumabandwidthcvbs;  /* TV settings for Chrontel TV encoder */
 519     int                 chtvlumabandwidthsvideo;
 520     int                 chtvlumaflickerfilter;
 521     int                 chtvchromabandwidth;
 522     int                 chtvchromaflickerfilter;
 523     int                 chtvcvbscolor;
 524     int                 chtvtextenhance;
 525     int                 chtvcontrast;
 526     int                 sistvedgeenhance;       /* TV settings for SiS bridge */
 527     int                 sistvantiflicker;
 528     int                 sistvsaturation;
 529     int                 sistvcolcalibc;
 530     int                 sistvcolcalibf;
 531     int                 sistvcfilter;
 532     int                 sistvyfilter;
 533     int                 tvxpos, tvypos;
 534     int                 tvxscale, tvyscale;
 535     int                 ForceTVType;
 536     unsigned long       ForceYPbPrType, ForceYPbPrAR;
 537     int                 chtvtype;
 538     int                 NonDefaultPAL, NonDefaultNTSC;
 539     unsigned short      tvx, tvy;
 540     unsigned char       p2_01, p2_02, p2_1f, p2_20;
 541     unsigned char       p2_44, p2_45, p2_46;
 542     unsigned long       sistvccbase;
 543     unsigned char       p2_35, p2_36, p2_37, p2_38, p2_48, p2_49, p2_4a;
 544     unsigned char       p2_0a, p2_2f, p2_30, p2_47;
 545     unsigned char       scalingp1[9], scalingp4[9], scalingp2[64];
 546     unsigned short      cursorBufferNum;
 547     BOOLEAN             restorebyset;
 548     BOOLEAN             CRT1gamma, CRT1gammaGiven, CRT2gamma, XvGamma, XvGammaGiven;
 549     int                 XvGammaRed, XvGammaGreen, XvGammaBlue;
 550     int                 GammaBriR, GammaBriG, GammaBriB;        /* strictly for Xinerama */
 551     int                 GammaPBriR, GammaPBriG, GammaPBriB;     /* strictly for Xinerama */
 552     int                 curxvcrtnum;
 553     int                 UsePanelScaler;
 554     int                 AllowHotkey;
 555     BOOLEAN             enablesisctrl;
 556     unsigned long       cmdQ_SharedWritePort_2D;
 557     unsigned char       *RenderAccelArray;
 558     unsigned char *     FbBase1;
 559     unsigned long       OnScreenSize1;
 560     unsigned char       OldMode;
 561     int                 HWCursorMBufNum, HWCursorCBufNum;
 562 #ifdef SIS_CP
 563     SIS_CP_H_ENT
 564 #endif
 565 } SISEntRec, *SISEntPtr;
 566 #endif
 567
 568 #define SISPTR(p)       ((SISPtr)((p)->driverPrivate))
 569 #define XAAPTR(p)       ((XAAInfoRecPtr)(SISPTR(p)->AccelInfoPtr))
 570
 571 /* Relative merge position */
 572 typedef enum {
 573    sisLeftOf,
 574    sisRightOf,
 575    sisAbove,
 576    sisBelow,
 577    sisClone
 578 } SiSScrn2Rel;
 579
 580 typedef struct {
 581     ScrnInfoPtr         pScrn;          /* -------------- DON'T INSERT ANYTHING HERE --------------- */
 582     pciVideoPtr         PciInfo;        /* -------- OTHERWISE sis_dri.so MUST BE RECOMPILED -------- */
 583     PCITAG              PciTag;
 584     EntityInfoPtr       pEnt;
 585     int                 Chipset;
 586     int                 ChipRev;
 587     int                 VGAEngine;      /* see above */
 588     int                 hasTwoOverlays; /* Chipset supports two video overlays? */
 589     HW_DEVICE_EXTENSION sishw_ext;      /* For new mode switching code */
 590     SiS_Private   *     SiS_Pr;         /* For new mode switching code */
 591     int                 DSTN;           /* For 550 FSTN/DSTN; set by option, no detection */
 592     unsigned long       FbAddress;      /* VRAM physical address (in DHM: for each Fb!) */
 593     unsigned long       realFbAddress;  /* For DHM/PCI mem mapping: store global FBAddress */
 594     unsigned char *     FbBase;         /* VRAM virtual linear address */
 595     CARD32              IOAddress;      /* MMIO physical address */
 596     unsigned char *     IOBase;         /* MMIO linear address */
 597     IOADDRESS           IODBase;        /* Base of PIO memory area */
 598 #ifdef __alpha__
 599     unsigned char *     IOBaseDense;    /* MMIO for Alpha platform */
 600 #endif
 601     SISIOADDRESS        RelIO;          /* Relocated IO Ports baseaddress */
 602     unsigned char *     BIOS;
 603     int                 MemClock;
 604     int                 BusWidth;
 605     int                 MinClock;
 606     int                 MaxClock;
 607     int                 Flags;          /* HW config flags */
 608     long                FbMapSize;      /* Used for Mem Mapping - DON'T CHANGE THIS */
 609     long                availMem;       /* Really available Fb mem (minus TQ, HWCursor) */
 610     unsigned long       maxxfbmem;      /* limit fb memory X is to use to this (KB) */
 611     unsigned long       sisfbMem;       /* heapstart of sisfb (if running) */
 612 #ifdef SISDUALHEAD
 613     unsigned long       dhmOffset;      /* Offset to memory for each head (0 or ..) */
 614 #endif
 615     DGAModePtr          DGAModes;
 616     int                 numDGAModes;
 617     Bool                DGAactive;
 618     int                 DGAViewportStatus;
 619     unsigned char       OldMode;        /* Back old modeNo (if available) */
 620     Bool                NoAccel;
 621     Bool                NoXvideo;
 622     Bool                XvOnCRT2;       /* see sis_opt.c */
 623     Bool                HWCursor;
 624     Bool                UsePCIRetry;
 625     Bool                TurboQueue;
 626     int                 VESA;
 627     int                 ForceCRT1Type;
 628     int                 ForceCRT2Type;
 629     int                 OptTVStand;
 630     int                 OptTVOver;
 631     int                 OptROMUsage;
 632     int                 UseCHOverScan;
 633     Bool                ValidWidth;
 634     Bool                FastVram;               /* now unused */
 635     int                 forceCRT1;
 636     Bool                CRT1changed;
 637     unsigned char       oldCR17, oldCR63, oldSR1F;
 638     unsigned char       oldCR32, oldCR36, oldCR37;
 639     unsigned char       myCR32, myCR36, myCR37, myCR63;
 640     unsigned char       newCR32;
 641     unsigned long       VBFlags;                /* Video bridge configuration */
 642     unsigned long       VBFlags_backup;         /* Backup for SlaveMode-modes */
 643     unsigned long       VBLCDFlags;             /* Moved LCD panel size bits here */
 644     int                 ChrontelType;           /* CHRONTEL_700x or CHRONTEL_701x */
 645     int                 PDC;                    /* PanelDelayCompensation */
 646     short               scrnOffset;             /* Screen pitch (data) */
 647     short               scrnPitch;              /* Screen pitch (display; regarding interlace) */
 648     short               DstColor;
 649     int                 xcurrent;               /* for temp use in accel */
 650     int                 ycurrent;               /* for temp use in accel */
 651     long                SiS310_AccelDepth;      /* used in accel for 315 series */
 652     int                 Xdirection;             /* for temp use in accel */
 653     int                 Ydirection;             /* for temp use in accel */
 654     int                 sisPatternReg[4];
 655     int                 ROPReg;
 656     int                 CommandReg;
 657     int                 MaxCMDQueueLen;
 658     int                 CurCMDQueueLen;
 659     int                 MinCMDQueueLen;
 660     CARD16              CursorSize;             /* Size of HWCursor area (bytes) */
 661     CARD32              cursorOffset;           /* see sis_driver.c and sis_cursor.c */
 662     int                 DstX;
 663     int                 DstY;
 664     unsigned char *     XAAScanlineColorExpandBuffers[2];
 665     CARD32              AccelFlags;
 666     Bool                ClipEnabled;
 667     Bool                DoColorExpand;
 668     Bool                ColorExpandBusy;
 669     Bool                alphaBlitBusy;
 670     SISRegRec           SavedReg;
 671     SISRegRec           ModeReg;
 672     xf86CursorInfoPtr   CursorInfoPtr;
 673     XAAInfoRecPtr       AccelInfoPtr;
 674     CloseScreenProcPtr  CloseScreen;
 675     Bool                (*ModeInit)(ScrnInfoPtr pScrn, DisplayModePtr mode);
 676     void                (*SiSSave)(ScrnInfoPtr pScrn, SISRegPtr sisreg);
 677     void                (*SiSSave2)(ScrnInfoPtr pScrn, SISRegPtr sisreg);
 678     void                (*SiSSave3)(ScrnInfoPtr pScrn, SISRegPtr sisreg);
 679     void                (*SiSSaveLVDSChrontel)(ScrnInfoPtr pScrn, SISRegPtr sisreg);
 680     void                (*SiSRestore)(ScrnInfoPtr pScrn, SISRegPtr sisreg);
 681     void                (*SiSRestore2)(ScrnInfoPtr pScrn, SISRegPtr sisreg);
 682     void                (*SiSRestore3)(ScrnInfoPtr pScrn, SISRegPtr sisreg);
 683     void                (*SiSRestoreLVDSChrontel)(ScrnInfoPtr pScrn, SISRegPtr sisreg);
 684     void                (*LoadCRT2Palette)(ScrnInfoPtr pScrn, int numColors,
 685                                 int *indicies, LOCO *colors, VisualPtr pVisual);
 686
 687     int                 cmdQueueLen;            /* Current cmdQueueLength (for 2D and 3D) */
 688     unsigned long       cmdQueueLenMax;
 689     unsigned long       cmdQueueLenMin;
 690     unsigned long       *cmdQueueBase;
 691     int                 *cmdQueueLenPtr;        /* Ptr to variable holding the current queue length */
 692     int                 *cmdQueueLenPtrBackup;  /* Backup for DRI init/restore */
 693     unsigned int        cmdQueueOffset;
 694     unsigned int        cmdQueueSize;
 695     unsigned long       cmdQueueSizeMask;
 696     unsigned long       cmdQ_SharedWritePort_2D;
 697     unsigned long       *cmdQ_SharedWritePort;
 698     unsigned long       *cmdQ_SharedWritePortBackup;
 699     unsigned int        cmdQueueSize_div2;
 700     unsigned int        cmdQueueSize_div4;
 701     unsigned int        cmdQueueSize_4_3;
 702     unsigned long       agpHandle;
 703     unsigned long       agpAddr;
 704     unsigned char       *agpBase;
 705     unsigned int        agpSize;
 706     unsigned int        agpWantedSize;
 707     unsigned int        agpWantedPages;
 708     unsigned long       agpCmdBufAddr;  /* 300 series */
 709     unsigned char       *agpCmdBufBase;
 710     unsigned int        agpCmdBufSize;
 711     unsigned int        agpCmdBufFree;
 712     unsigned long       agpVtxBufAddr;  /* 315 series */
 713     unsigned char       *agpVtxBufBase;
 714     unsigned int        agpVtxBufSize;
 715     unsigned int        agpVtxBufFree;
 716 #ifdef XF86DRI
 717     sisRegion           agp;
 718 #endif
 719     Bool                AGPInitOK;
 720     Bool                irqEnabled;
 721     int                 irq;
 722     Bool                IsAGPCard;
 723     unsigned long       DRIheapstart, DRIheapend;
 724
 725     void                (*RenderCallback)(ScrnInfoPtr);
 726     Time                RenderTime;
 727     unsigned char       *RenderAccelArray;
 728     Bool                doRender;
 729
 730     int                 ColorExpandRingHead;
 731     int                 ColorExpandRingTail;
 732     int                 PerColorExpandBufferSize;
 733     int                 ColorExpandBufferNumber;
 734     int                 ColorExpandBufferCountMask;
 735     unsigned char       *ColorExpandBufferAddr[32];
 736     int                 ColorExpandBufferScreenOffset[32];
 737     long                ColorExpandBase;
 738     int                 ImageWriteBufferSize;
 739     unsigned char       *ImageWriteBufferAddr;
 740
 741     int                 Rotate;
 742     void                (*PointerMoved)(int index, int x, int y);
 743
 744     /* ShadowFB support */
 745     Bool                ShadowFB;
 746     unsigned char       *ShadowPtr;
 747     int                 ShadowPitch;
 748
 749     Bool                loadDRI;
 750
 751 #ifdef XF86DRI
 752     Bool                directRenderingEnabled;
 753     DRIInfoPtr          pDRIInfo;
 754     int                 drmSubFD;
 755     int                 numVisualConfigs;
 756     __GLXvisualConfig*  pVisualConfigs;
 757     SISConfigPrivPtr    pVisualConfigsPriv;
 758     SISRegRec           DRContextRegs;
 759 #endif
 760
 761     XF86VideoAdaptorPtr adaptor;
 762     ScreenBlockHandlerProcPtr BlockHandler;
 763     void                (*VideoTimerCallback)(ScrnInfoPtr, Time);
 764     void                (*ResetXv)(ScrnInfoPtr);
 765     void                (*ResetXvGamma)(ScrnInfoPtr);
 766
 767     OptionInfoPtr       Options;
 768     unsigned char       LCDon;
 769 #ifdef SISDUALHEAD
 770     Bool                BlankCRT1, BlankCRT2;
 771 #endif
 772     Bool                Blank;
 773     unsigned char       BIOSModeSave;
 774     int                 CRT1off;                /* 1=CRT1 off, 0=CRT1 on */
 775     CARD16              LCDheight;              /* Vertical resolution of LCD panel */
 776     CARD16              LCDwidth;               /* Horizontal resolution of LCD panel */
 777     vbeInfoPtr          pVbe;                   /* For VESA mode switching */
 778     CARD16              vesamajor;
 779     CARD16              vesaminor;
 780     VbeInfoBlock        *vbeInfo;
 781     int                 UseVESA;
 782     sisModeInfoPtr      SISVESAModeList;
 783     xf86MonPtr          monitor;
 784     CARD16              maxBytesPerScanline;
 785     CARD32              *pal, *savedPal;
 786     int                 mapPhys, mapOff, mapSize;
 787     int                 statePage, stateSize, stateMode;
 788     CARD8               *fonts;
 789     CARD8               *state, *pstate;
 790     void                *base, *VGAbase;
 791 #ifdef SISDUALHEAD
 792     BOOL                DualHeadMode;           /* TRUE if we use dual head mode */
 793     BOOL                SecondHead;             /* TRUE is this is the second head */
 794     SISEntPtr           entityPrivate;          /* Ptr to private entity (see above) */
 795     BOOL                SiSXinerama;            /* Do we use Xinerama mode? */
 796 #endif
 797     SISFBLayout         CurrentLayout;          /* Current framebuffer layout */
 798     USHORT              SiS_DDC2_Index;
 799     USHORT              SiS_DDC2_Data;
 800     USHORT              SiS_DDC2_Clk;
 801     BOOL                Primary;                /* Display adapter is primary */
 802     xf86Int10InfoPtr    pInt;                   /* Our int10 */
 803     int                 oldChipset;             /* Type of old chipset */
 804     int                 RealVideoRam;           /* 6326 can only address 4MB, but TQ can be above */
 805     CARD32              CmdQueLenMask;          /* Mask of queue length in MMIO register */
 806     CARD32              CmdQueLenFix;           /* Fix value to subtract from QueLen (530/620) */
 807     CARD32              CmdQueMaxLen;           /* (6326/5597/5598) Amount of cmds the queue can hold */
 808     CARD32              TurboQueueLen;          /* For future use */
 809     CARD32              detectedCRT2Devices;    /* detected CRT2 devices before mask-out */
 810     Bool                NoHostBus;              /* Enable/disable 5597/5598 host bus */
 811     Bool                noInternalModes;        /* Use our own default modes? */
 812     int                 OptUseOEM;              /* Use internal OEM data? */
 813     int                 chtvlumabandwidthcvbs;  /* TV settings for Chrontel TV encoder */
 814     int                 chtvlumabandwidthsvideo;
 815     int                 chtvlumaflickerfilter;
 816     int                 chtvchromabandwidth;
 817     int                 chtvchromaflickerfilter;
 818     int                 chtvcvbscolor;
 819     int                 chtvtextenhance;
 820     int                 chtvcontrast;
 821     int                 sistvedgeenhance;       /* TV settings for SiS bridges */
 822     int                 sistvantiflicker;
 823     int                 sistvsaturation;
 824     int                 sistvcolcalibc;
 825     int                 sistvcolcalibf;
 826     int                 sistvcfilter;
 827     int                 sistvyfilter;
 828     int                 OptTVSOver;             /* Chrontel 7005: Superoverscan */
 829     int                 tvxpos, tvypos;
 830     int                 tvxscale, tvyscale;
 831     int                 SiS6326Flags;           /* SiS6326 TV settings */
 832     int                 sis6326enableyfilter;
 833     int                 sis6326yfilterstrong;
 834     int                 sis6326tvplug;
 835     int                 sis6326fscadjust;
 836     BOOL                sisfbfound;
 837     BOOL                donttrustpdc;           /* Don't trust the detected PDC */
 838     unsigned char       sisfbpdc;
 839     unsigned char       sisfblcda;
 840     int                 sisfbscalelcd;
 841     unsigned long       sisfbspecialtiming;
 842     BOOL                sisfb_haveemi, sisfb_haveemilcd;
 843     unsigned char       sisfb_emi30,sisfb_emi31,sisfb_emi32,sisfb_emi33;
 844     int                 EMI;
 845     int                 NoYV12;                 /* Disable Xv YV12 support (old series) */
 846     unsigned char       postVBCR32;
 847     int                 newFastVram;            /* Replaces FastVram */
 848     int                 ForceTVType;
 849     int                 NonDefaultPAL, NonDefaultNTSC;
 850     unsigned long       ForceYPbPrType, ForceYPbPrAR;
 851     unsigned long       lockcalls;              /* Count unlock calls for debug */
 852     unsigned short      tvx, tvy;               /* Backup TV position registers */
 853     unsigned char       p2_01, p2_02, p2_1f, p2_20;    /* Backup TV position registers */
 854     unsigned short      tvx1, tvx2, tvx3, tvy1; /* Backup TV position registers */
 855     unsigned char       p2_44, p2_45, p2_46;
 856     unsigned long       sistvccbase;
 857     unsigned char       p2_35, p2_36, p2_37, p2_38, p2_48, p2_49, p2_4a;
 858     unsigned char       p2_0a, p2_2f, p2_30, p2_47;
 859     unsigned char       scalingp1[9], scalingp4[9], scalingp2[64];
 860     BOOLEAN             ForceCursorOff;
 861     BOOLEAN             HaveCustomModes;
 862     BOOLEAN             IsCustom;
 863     DisplayModePtr      backupmodelist;
 864     int                 chtvtype;
 865     Atom                xvBrightness, xvContrast, xvColorKey, xvHue, xvSaturation;
 866     Atom                xvAutopaintColorKey, xvSetDefaults, xvSwitchCRT;
 867     Atom                xvDisableGfx, xvDisableGfxLR, xvTVXPosition, xvTVYPosition;
 868     Atom                xvDisableColorkey, xvUseChromakey, xvChromaMin, xvChromaMax;
 869     Atom                xvInsideChromakey, xvYUVChromakey;
 870     Atom                xvGammaRed, xvGammaGreen, xvGammaBlue;
 871     Atom                xv_QVF, xv_QVV, xv_USD, xv_SVF, xv_QDD, xv_TAF, xv_TSA, xv_TEE, xv_GSF;
 872     Atom                xv_TTE, xv_TCO, xv_TCC, xv_TCF, xv_TLF, xv_CMD, xv_CMDR, xv_CT1, xv_SGA;
 873     Atom                xv_GDV, xv_GHI, xv_OVR, xv_GBI, xv_TXS, xv_TYS, xv_CFI, xv_COC, xv_COF;
 874     Atom                xv_YFI, xv_GSS, xv_BRR, xv_BRG, xv_BRB, xv_PBR, xv_PBG, xv_PBB, xv_SHC;
 875     Atom                xv_BRR2, xv_BRG2, xv_BRB2, xv_PBR2, xv_PBG2, xv_PBB2;
 876 #ifdef TWDEBUG
 877     Atom                xv_STR;
 878 #endif
 879     int                 xv_sisdirectunlocked;
 880     unsigned long       xv_sd_result;
 881     int                 CRT1isoff;
 882 #ifdef SIS_CP
 883     SIS_CP_H
 884 #endif
 885     unsigned long       ChipFlags;
 886     unsigned long       SiS_SD_Flags;
 887     BOOLEAN             UseHWARGBCursor;
 888     int                 OptUseColorCursor;
 889     int                 OptUseColorCursorBlend;
 890     CARD32              OptColorCursorBlendThreshold;
 891     unsigned short      cursorBufferNum;
 892     int                 vb;
 893     BOOLEAN             restorebyset;
 894     BOOLEAN             nocrt2ddcdetection;
 895     BOOLEAN             forcecrt2redetection;
 896     BOOLEAN             CRT1gamma, CRT1gammaGiven, CRT2gamma, XvGamma, XvGammaGiven;
 897     int                 XvDefCon, XvDefBri, XvDefHue, XvDefSat;
 898     BOOLEAN             XvDefDisableGfx, XvDefDisableGfxLR;
 899     BOOLEAN             XvUseMemcpy;
 900     BOOLEAN             XvUseChromaKey, XvDisableColorKey;
 901     BOOLEAN             XvInsideChromaKey, XvYUVChromaKey;
 902     int                 XvChromaMin, XvChromaMax;
 903     int                 XvGammaRed, XvGammaGreen, XvGammaBlue;
 904     int                 XvGammaRedDef, XvGammaGreenDef, XvGammaBlueDef;
 905     CARD8               XvGammaRampRed[256], XvGammaRampGreen[256], XvGammaRampBlue[256];
 906     BOOLEAN             disablecolorkeycurrent;
 907     CARD32              colorKey;
 908     CARD32              MiscFlags;
 909     int                 UsePanelScaler;
 910     FBLinearPtr         AccelLinearScratch;
 911     void                (*AccelRenderCallback)(ScrnInfoPtr);
 912     float               zClearVal;
 913     unsigned long       bClrColor, dwColor;
 914     int                 AllowHotkey;
 915     BOOLEAN             enablesisctrl;
 916     short               Video_MaxWidth, Video_MaxHeight;
 917     int                 FSTN;
 918     BOOLEAN             AddedPlasmaModes;
 919     short               scrnPitch2;
 920     CARD32              CurFGCol, CurBGCol;
 921     unsigned char *     CurMonoSrc;
 922     CARD32 *            CurARGBDest;
 923     int                 GammaBriR, GammaBriG, GammaBriB;
 924     int                 GammaPBriR, GammaPBriG, GammaPBriB;
 925     Bool                HideHWCursor;  /* Custom application */
 926     Bool                HWCursorIsVisible;
 927     unsigned long       HWCursorBackup[16];
 928     int                 HWCursorMBufNum, HWCursorCBufNum;
 929 #ifdef SISMERGED
 930     Bool                MergedFB, MergedFBAuto;
 931     SiSScrn2Rel         CRT2Position;
 932     char *              CRT2HSync;
 933     char *              CRT2VRefresh;
 934     char *              MetaModes;
 935     ScrnInfoPtr         CRT2pScrn;
 936     DisplayModePtr      CRT1Modes;
 937     DisplayModePtr      CRT1CurrentMode;
 938     int                 CRT1frameX0;
 939     int                 CRT1frameY0;
 940     int                 CRT1frameX1;
 941     int                 CRT1frameY1;
 942     Bool                CheckForCRT2;
 943     Bool                IsCustomCRT2;
 944     BOOLEAN             HaveCustomModes2;
 945     int                 maxCRT1_X1, maxCRT1_X2, maxCRT1_Y1, maxCRT1_Y2;
 946     int                 maxCRT2_X1, maxCRT2_X2, maxCRT2_Y1, maxCRT2_Y2;
 947     int                 maxClone_X1, maxClone_X2, maxClone_Y1, maxClone_Y2;
 948     int                 MergedFBXDPI, MergedFBYDPI;
 949 #ifdef SISXINERAMA
 950     Bool                UseSiSXinerama;
 951     Bool                CRT2IsScrn0;
 952     ExtensionEntry      *XineramaExtEntry;
 953     int                 SiSXineramaVX, SiSXineramaVY;
 954     Bool                AtLeastOneNonClone;
 955 #endif
 956 #endif
 957 } SISRec, *SISPtr;
 958
 959 typedef struct _ModeInfoData {
 960     int mode;
 961     VbeModeInfoBlock *data;
 962     VbeCRTCInfoBlock *block;
 963 } ModeInfoData;
 964
 965 #define SDMPTR(x) ((SiSMergedDisplayModePtr)(x->currentMode->Private))
 966 #define CDMPTR    ((SiSMergedDisplayModePtr)(pSiS->CurrentLayout.mode->Private))
 967
 968 #define BOUND(test,low,hi) { \
 969     if(test < low) test = low; \
 970     if(test > hi) test = hi; }
 971
 972 #define REBOUND(low,hi,test) { \
 973     if(test < low) { \
 974         hi += test-low; \
 975         low = test; } \
 976     if(test > hi) { \
 977         low += test-hi; \
 978         hi = test; } }
 979
 980 typedef struct _MergedDisplayModeRec {
 981     DisplayModePtr CRT1;
 982     DisplayModePtr CRT2;
 983     SiSScrn2Rel    CRT2Position;
 984 } SiSMergedDisplayModeRec, *SiSMergedDisplayModePtr;
 985
 986
 987 typedef struct _region {
 988     int x0,x1,y0,y1;
 989 } region;
 990
 991 typedef struct _myhddctiming {
 992     int           whichone;
 993     unsigned char mask;
 994     float         rate;
 995 } myhddctiming;
 996
 997 typedef struct _myvddctiming {
 998     int           whichone;
 999     unsigned char mask;
1000     int           rate;
1001 } myvddctiming;
1002
1003 typedef struct _myddcstdmodes {
1004     int hsize;
1005     int vsize;
1006     int refresh;
1007     float hsync;
1008 } myddcstdmodes;
1009
1010 typedef struct _pdctable {
1011     int subsysVendor;
1012     int subsysCard;
1013     int pdc;
1014     char *vendorName;
1015     char *cardName;
1016 } pdctable;
1017
1018 typedef struct _chswtable {
1019     int subsysVendor;
1020     int subsysCard;
1021     char *vendorName;
1022     char *cardName;
1023 } chswtable;
1024
1025 typedef struct _customttable {
1026     unsigned short chipID;
1027     char *biosversion;
1028     char *biosdate;
1029     unsigned long bioschksum;
1030     unsigned short biosFootprintAddr[5];
1031     unsigned char biosFootprintData[5];
1032     unsigned short pcisubsysvendor;
1033     unsigned short pcisubsyscard;
1034     char *vendorName;
1035     char *cardName;
1036     unsigned long SpecialID;
1037     char *optionName;
1038 } customttable;
1039
1040 #ifdef SISMERGED
1041 #ifdef SISXINERAMA
1042 typedef struct _SiSXineramaData {
1043     int x;
1044     int y;
1045     int width;
1046     int height;
1047 } SiSXineramaData;
1048 #endif
1049 #endif
1050
1051 #if 0
1052 /* SiS Direct access for config utility */
1053
1054 #define SDC_ID 0x53495321
1055
1056 #define SDC_VERSION 1
1057
1058 #define SDC_NUM_PARM 20
1059 typedef struct _sisdirectcommand {
1060     unsigned long sdc_id;
1061     unsigned long sdc_chksum;
1062     unsigned long sdc_header;
1063     unsigned long sdc_command;
1064     unsigned long sdc_parm[SDC_NUM_PARM];
1065 } sisdirectcommand;
1066
1067 #define SDC_RESULT_OK           0x66670000
1068 #define SDC_RESULT_UNDEFCMD     0x66670001
1069
1070 #define SDC_CMD_GETVERSION              0x98980001
1071 #define SDC_CMD_CHECKMODEFORCRT2        0x98980002
1072 /* more to come */
1073 #endif
1074
1075 extern void  sisSaveUnlockExtRegisterLock(SISPtr pSiS, unsigned char *reg1, unsigned char *reg2);
1076 extern void  sisRestoreExtRegisterLock(SISPtr pSiS, unsigned char reg1, unsigned char reg2);
1077 extern void  SiSOptions(ScrnInfoPtr pScrn);
1078 extern const OptionInfoRec * SISAvailableOptions(int chipid, int busid);
1079 extern void  SiSSetup(ScrnInfoPtr pScrn);
1080 extern void  SISVGAPreInit(ScrnInfoPtr pScrn);
1081 extern Bool  SiSAccelInit(ScreenPtr pScreen);
1082 extern Bool  SiS300AccelInit(ScreenPtr pScreen);
1083 extern Bool  SiS315AccelInit(ScreenPtr pScreen);
1084 extern Bool  SiS530AccelInit(ScreenPtr pScreen);
1085 extern Bool  SiSHWCursorInit(ScreenPtr pScreen);
1086 extern Bool  SISDGAInit(ScreenPtr pScreen);
1087 extern void  SISInitVideo(ScreenPtr pScreen);
1088 extern void  SIS6326InitVideo(ScreenPtr pScreen);
1089
1090 extern void  SiS_SetCHTVlumabandwidthcvbs(ScrnInfoPtr pScrn, int val);
1091 extern void  SiS_SetCHTVlumabandwidthsvideo(ScrnInfoPtr pScrn, int val);
1092 extern void  SiS_SetCHTVlumaflickerfilter(ScrnInfoPtr pScrn, int val);
1093 extern void  SiS_SetCHTVchromabandwidth(ScrnInfoPtr pScrn, int val);
1094 extern void  SiS_SetCHTVchromaflickerfilter(ScrnInfoPtr pScrn, int val);
1095 extern void  SiS_SetCHTVcvbscolor(ScrnInfoPtr pScrn, int val);
1096 extern void  SiS_SetCHTVtextenhance(ScrnInfoPtr pScrn, int val);
1097 extern void  SiS_SetCHTVcontrast(ScrnInfoPtr pScrn, int val);
1098 extern void  SiS_SetSISTVedgeenhance(ScrnInfoPtr pScrn, int val);
1099 extern void  SiS_SetSISTVantiflicker(ScrnInfoPtr pScrn, int val);
1100 extern void  SiS_SetSISTVsaturation(ScrnInfoPtr pScrn, int val);
1101 extern void  SiS_SetSISTVcfilter(ScrnInfoPtr pScrn, int val);
1102 extern void  SiS_SetSISTVyfilter(ScrnInfoPtr pScrn, int val);
1103 extern void  SiS_SetSISTVcolcalib(ScrnInfoPtr pScrn, int val, Bool coarse);
1104 extern void  SiS_SetSIS6326TVantiflicker(ScrnInfoPtr pScrn, int val);
1105 extern void  SiS_SetSIS6326TVenableyfilter(ScrnInfoPtr pScrn, int val);
1106 extern void  SiS_SetSIS6326TVyfilterstrong(ScrnInfoPtr pScrn, int val);
1107 extern void  SiS_SetTVxposoffset(ScrnInfoPtr pScrn, int val);
1108 extern void  SiS_SetTVyposoffset(ScrnInfoPtr pScrn, int val);
1109 extern void  SiS_SetTVxscale(ScrnInfoPtr pScrn, int val);
1110 extern void  SiS_SetTVyscale(ScrnInfoPtr pScrn, int val);
1111 extern Bool  SISSwitchCRT2Type(ScrnInfoPtr pScrn, unsigned long newvbflags);
1112 extern int   SISCheckModeIndexForCRT2Type(ScrnInfoPtr pScrn, unsigned short cond,
1113                                           unsigned short index, Bool quiet);
1114 extern Bool  SISSwitchCRT1Status(ScrnInfoPtr pScrn, int onoff);
1115 extern int   SiS_GetCHTVlumabandwidthcvbs(ScrnInfoPtr pScrn);
1116 extern int   SiS_GetCHTVlumabandwidthsvideo(ScrnInfoPtr pScrn);
1117 extern int   SiS_GetCHTVlumaflickerfilter(ScrnInfoPtr pScrn);
1118 extern int   SiS_GetCHTVchromabandwidth(ScrnInfoPtr pScrn);
1119 extern int   SiS_GetCHTVchromaflickerfilter(ScrnInfoPtr pScrn);
1120 extern int   SiS_GetCHTVcvbscolor(ScrnInfoPtr pScrn);
1121 extern int   SiS_GetCHTVtextenhance(ScrnInfoPtr pScrn);
1122 extern int   SiS_GetCHTVcontrast(ScrnInfoPtr pScrn);
1123 extern int   SiS_GetSISTVedgeenhance(ScrnInfoPtr pScrn);
1124 extern int   SiS_GetSISTVantiflicker(ScrnInfoPtr pScrn);
1125 extern int   SiS_GetSISTVsaturation(ScrnInfoPtr pScrn);
1126 extern int   SiS_GetSISTVcfilter(ScrnInfoPtr pScrn);
1127 extern int   SiS_GetSISTVyfilter(ScrnInfoPtr pScrn);
1128 extern int   SiS_GetSISTVcolcalib(ScrnInfoPtr pScrn, Bool coarse);
1129 extern int   SiS_GetSIS6326TVantiflicker(ScrnInfoPtr pScrn);
1130 extern int   SiS_GetSIS6326TVenableyfilter(ScrnInfoPtr pScrn);
1131 extern int   SiS_GetSIS6326TVyfilterstrong(ScrnInfoPtr pScrn);
1132 extern int   SiS_GetTVxposoffset(ScrnInfoPtr pScrn);
1133 extern int   SiS_GetTVyposoffset(ScrnInfoPtr pScrn);
1134 extern int   SiS_GetTVxscale(ScrnInfoPtr pScrn);
1135 extern int   SiS_GetTVyscale(ScrnInfoPtr pScrn);
1136 #endif