drivers/staging/xgifb/XGI_accel.h

   1 /*
   2  * XGI 300/630/730/540/315/550/650/740 frame buffer driver
   3  * for Linux kernels 2.4.x and 2.5.x
   4  *
   5  * 2D acceleration part
   6  *
   7  * Based on the X driver's XGI300_accel.h which is
   8  *     Copyright Xavier Ducoin <x.ducoin@lectra.com>
   9  *     Copyright 2002 by Thomas Winischhofer, Vienna, Austria
  10  * and XGI310_accel.h which is
  11  *     Copyright 2002 by Thomas Winischhofer, Vienna, Austria
  12  *
  13  * Author:   Thomas Winischhofer <thomas@winischhofer.net>:
  14  *                      (see http://www.winischhofer.net/
  15  *                      for more information and updates)
  16  */
  17
  18 #ifndef _XGIFB_ACCEL_H
  19 #define _XGIFB_ACCEL_H
  20
  21 /* Guard accelerator accesses with spin_lock_irqsave? Works well without. */
  22 #undef XGIFB_USE_SPINLOCKS
  23
  24 #ifdef XGIFB_USE_SPINLOCKS
  25 #include <linux/spinlock.h>
  26 #define CRITBEGIN  spin_lock_irqsave(&xgi_video_info.lockaccel), critflags);
  27 #define CRITEND    spin_unlock_irqrestore(&xgi_video_info.lockaccel), critflags);
  28 #define CRITFLAGS  unsigned long critflags;
  29 #else
  30 #define CRITBEGIN
  31 #define CRITEND
  32 #define CRITFLAGS
  33 #endif
  34
  35 /* Definitions for the XGI engine communication. */
  36
  37 #define PATREGSIZE      384  /* Pattern register size. 384 bytes @ 0x8300 */
  38 #define BR(x)   (0x8200 | (x) << 2)
  39 #define PBR(x)  (0x8300 | (x) << 2)
  40
  41 /* XGI300 engine commands */
  42 #define BITBLT                  0x00000000  /* Blit */
  43 #define COLOREXP                0x00000001  /* Color expand */
  44 #define ENCOLOREXP              0x00000002  /* Enhanced color expand */
  45 #define MULTIPLE_SCANLINE       0x00000003  /* ? */
  46 #define LINE                    0x00000004  /* Draw line */
  47 #define TRAPAZOID_FILL          0x00000005  /* Fill trapezoid */
  48 #define TRANSPARENT_BITBLT      0x00000006  /* Transparent Blit */
  49
  50 /* Additional engine commands for 310/325 */
  51 #define ALPHA_BLEND             0x00000007  /* Alpha blend ? */
  52 #define A3D_FUNCTION            0x00000008  /* 3D command ? */
  53 #define CLEAR_Z_BUFFER          0x00000009  /* ? */
  54 #define GRADIENT_FILL           0x0000000A  /* Gradient fill */
  55 #define STRETCH_BITBLT          0x0000000B  /* Stretched Blit */
  56
  57 /* source select */
  58 #define SRCVIDEO                0x00000000  /* source is video RAM */
  59 #define SRCSYSTEM               0x00000010  /* source is system memory */
  60 #define SRCCPUBLITBUF           SRCSYSTEM   /* source is CPU-driven BitBuffer (for color expand) */
  61 #define SRCAGP                  0x00000020  /* source is AGP memory (?) */
  62
  63 /* Pattern flags */
  64 #define PATFG                   0x00000000  /* foreground color */
  65 #define PATPATREG               0x00000040  /* pattern in pattern buffer (0x8300) */
  66 #define PATMONO                 0x00000080  /* mono pattern */
  67
  68 /* blitting direction (300 series only) */
  69 #define X_INC                   0x00010000
  70 #define X_DEC                   0x00000000
  71 #define Y_INC                   0x00020000
  72 #define Y_DEC                   0x00000000
  73
  74 /* Clipping flags */
  75 #define NOCLIP                  0x00000000
  76 #define NOMERGECLIP             0x04000000
  77 #define CLIPENABLE              0x00040000
  78 #define CLIPWITHOUTMERGE        0x04040000
  79
  80 /* Transparency */
  81 #define OPAQUE                  0x00000000
  82 #define TRANSPARENT             0x00100000
  83
  84 /* ? */
  85 #define DSTAGP                  0x02000000
  86 #define DSTVIDEO                0x02000000
  87
  88 /* Line */
  89 #define LINE_STYLE              0x00800000
  90 #define NO_RESET_COUNTER        0x00400000
  91 #define NO_LAST_PIXEL           0x00200000
  92
  93 /* Subfunctions for Color/Enhanced Color Expansion (310/325 only) */
  94 #define COLOR_TO_MONO           0x00100000
  95 #define AA_TEXT                 0x00200000
  96
  97 /* Some general registers for 310/325 series */
  98 #define SRC_ADDR                0x8200
  99 #define SRC_PITCH               0x8204
 100 #define AGP_BASE                0x8206 /* color-depth dependent value */
 101 #define SRC_Y                   0x8208
 102 #define SRC_X                   0x820A
 103 #define DST_Y                   0x820C
 104 #define DST_X                   0x820E
 105 #define DST_ADDR                0x8210
 106 #define DST_PITCH               0x8214
 107 #define DST_HEIGHT              0x8216
 108 #define RECT_WIDTH              0x8218
 109 #define RECT_HEIGHT             0x821A
 110 #define PAT_FGCOLOR             0x821C
 111 #define PAT_BGCOLOR             0x8220
 112 #define SRC_FGCOLOR             0x8224
 113 #define SRC_BGCOLOR             0x8228
 114 #define MONO_MASK               0x822C
 115 #define LEFT_CLIP               0x8234
 116 #define TOP_CLIP                0x8236
 117 #define RIGHT_CLIP              0x8238
 118 #define BOTTOM_CLIP             0x823A
 119 #define COMMAND_READY           0x823C
 120 #define FIRE_TRIGGER            0x8240
 121
 122 #define PATTERN_REG             0x8300  /* 384 bytes pattern buffer */
 123
 124 /* Line registers */
 125 #define LINE_X0                 SRC_Y
 126 #define LINE_X1                 DST_Y
 127 #define LINE_Y0                 SRC_X
 128 #define LINE_Y1                 DST_X
 129 #define LINE_COUNT              RECT_WIDTH
 130 #define LINE_STYLE_PERIOD       RECT_HEIGHT
 131 #define LINE_STYLE_0            MONO_MASK
 132 #define LINE_STYLE_1            0x8230
 133 #define LINE_XN                 PATTERN_REG
 134 #define LINE_YN                 PATTERN_REG+2
 135
 136 /* Transparent bitblit registers */
 137 #define TRANS_DST_KEY_HIGH      PAT_FGCOLOR
 138 #define TRANS_DST_KEY_LOW       PAT_BGCOLOR
 139 #define TRANS_SRC_KEY_HIGH      SRC_FGCOLOR
 140 #define TRANS_SRC_KEY_LOW       SRC_BGCOLOR
 141
 142 /* Queue */
 143 #define Q_BASE_ADDR             0x85C0  /* Base address of software queue (?) */
 144 #define Q_WRITE_PTR             0x85C4  /* Current write pointer (?) */
 145 #define Q_READ_PTR              0x85C8  /* Current read pointer (?) */
 146 #define Q_STATUS                0x85CC  /* queue status */
 147
 148
 149 #define MMIO_IN8(base, offset) \
 150         *(volatile u8 *)(((u8*)(base)) + (offset))
 151 #define MMIO_IN16(base, offset) \
 152         *(volatile u16 *)(void *)(((u8*)(base)) + (offset))
 153 #define MMIO_IN32(base, offset) \
 154         *(volatile u32 *)(void *)(((u8*)(base)) + (offset))
 155 #define MMIO_OUT8(base, offset, val) \
 156         *(volatile u8 *)(((u8*)(base)) + (offset)) = (val)
 157 #define MMIO_OUT16(base, offset, val) \
 158         *(volatile u16 *)(void *)(((u8*)(base)) + (offset)) = (val)
 159 #define MMIO_OUT32(base, offset, val) \
 160         *(volatile u32 *)(void *)(((u8*)(base)) + (offset)) = (val)
 161
 162
 163
 164 /* ------------- XGI 300 series -------------- */
 165
 166 /* Macros to do useful things with the XGI BitBLT engine */
 167
 168 /* BR(16) (0x8420):
 169
 170    bit 31 2D engine: 1 is idle,
 171    bit 30 3D engine: 1 is idle,
 172    bit 29 Command queue: 1 is empty
 173
 174    bits 28:24: Current CPU driven BitBlt buffer stage bit[4:0]
 175
 176    bits 15:0:  Current command queue length
 177
 178 */
 179
 180 /* TW: BR(16)+2 = 0x8242 */
 181
 182 static int     xgiCmdQueLen;
 183
 184 #define XGI300Idle \
 185   { \
 186   while( (MMIO_IN16(xgi_video_info.mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
 187   while( (MMIO_IN16(xgi_video_info.mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
 188   while( (MMIO_IN16(xgi_video_info.mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
 189   xgiCmdQueLen=MMIO_IN16(xgi_video_info.mmio_vbase, 0x8240); \
 190   }
 191 /* TW: (do three times, because 2D engine seems quite unsure about whether or not it's idle) */
 192
 193 #define XGI300SetupSRCBase(base) \
 194                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 195                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(0), base);\
 196                 xgiCmdQueLen --;
 197
 198 #define XGI300SetupSRCPitch(pitch) \
 199                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 200                 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(1), pitch);\
 201                 xgiCmdQueLen --;
 202
 203 #define XGI300SetupSRCXY(x,y) \
 204                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 205                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(2), (x)<<16 | (y) );\
 206                 xgiCmdQueLen --;
 207
 208 #define XGI300SetupDSTBase(base) \
 209                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 210                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(4), base);\
 211                 xgiCmdQueLen --;
 212
 213 #define XGI300SetupDSTXY(x,y) \
 214                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 215                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(3), (x)<<16 | (y) );\
 216                 xgiCmdQueLen --;
 217
 218 #define XGI300SetupDSTRect(x,y) \
 219                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 220                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(5), (y)<<16 | (x) );\
 221                 xgiCmdQueLen --;
 222
 223 #define XGI300SetupDSTColorDepth(bpp) \
 224                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 225                 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(1)+2, bpp);\
 226                 xgiCmdQueLen --;
 227
 228 #define XGI300SetupRect(w,h) \
 229                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 230                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(6), (h)<<16 | (w) );\
 231                 xgiCmdQueLen --;
 232
 233 #define XGI300SetupPATFG(color) \
 234                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 235                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(7), color);\
 236                 xgiCmdQueLen --;
 237
 238 #define XGI300SetupPATBG(color) \
 239                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 240                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(8), color);\
 241                 xgiCmdQueLen --;
 242
 243 #define XGI300SetupSRCFG(color) \
 244                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 245                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(9), color);\
 246                 xgiCmdQueLen --;
 247
 248 #define XGI300SetupSRCBG(color) \
 249                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 250                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(10), color);\
 251                 xgiCmdQueLen --;
 252
 253 /* 0x8224 src colorkey high */
 254 /* 0x8228 src colorkey low */
 255 /* 0x821c dest colorkey high */
 256 /* 0x8220 dest colorkey low */
 257 #define XGI300SetupSRCTrans(color) \
 258                 if (xgiCmdQueLen <= 1)  XGI300Idle;\
 259                 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x8224, color);\
 260                 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x8228, color);\
 261                 xgiCmdQueLen -= 2;
 262
 263 #define XGI300SetupDSTTrans(color) \
 264                 if (xgiCmdQueLen <= 1)  XGI300Idle;\
 265                 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x821C, color); \
 266                 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x8220, color); \
 267                 xgiCmdQueLen -= 2;
 268
 269 #define XGI300SetupMONOPAT(p0,p1) \
 270                 if (xgiCmdQueLen <= 1)  XGI300Idle;\
 271                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(11), p0);\
 272                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(12), p1);\
 273                 xgiCmdQueLen -= 2;
 274
 275 #define XGI300SetupClipLT(left,top) \
 276                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 277                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(13), ((left) & 0xFFFF) | (top)<<16 );\
 278                 xgiCmdQueLen--;
 279
 280 #define XGI300SetupClipRB(right,bottom) \
 281                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 282                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(14), ((right) & 0xFFFF) | (bottom)<<16 );\
 283                 xgiCmdQueLen--;
 284
 285 /* General */
 286 #define XGI300SetupROP(rop) \
 287                 xgi_video_info.CommandReg = (rop) << 8;
 288
 289 #define XGI300SetupCMDFlag(flags) \
 290                 xgi_video_info.CommandReg |= (flags);
 291
 292 #define XGI300DoCMD \
 293                 if (xgiCmdQueLen <= 1)  XGI300Idle;\
 294                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(15), xgi_video_info.CommandReg); \
 295                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(16), 0);\
 296                 xgiCmdQueLen -= 2;
 297
 298 /* Line */
 299 #define XGI300SetupX0Y0(x,y) \
 300                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 301                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(2), (y)<<16 | (x) );\
 302                 xgiCmdQueLen--;
 303
 304 #define XGI300SetupX1Y1(x,y) \
 305                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 306                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(3), (y)<<16 | (x) );\
 307                 xgiCmdQueLen--;
 308
 309 #define XGI300SetupLineCount(c) \
 310                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 311                 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(6), c);\
 312                 xgiCmdQueLen--;
 313
 314 #define XGI300SetupStylePeriod(p) \
 315                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 316                 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(6)+2, p);\
 317                 xgiCmdQueLen--;
 318
 319 #define XGI300SetupStyleLow(ls) \
 320                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 321                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(11), ls);\
 322                 xgiCmdQueLen--;
 323
 324 #define XGI300SetupStyleHigh(ls) \
 325                 if (xgiCmdQueLen <= 0)  XGI300Idle;\
 326                 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(12), ls);\
 327                 xgiCmdQueLen--;
 328
 329
 330
 331 /* ----------- XGI 310/325 series --------------- */
 332
 333 /* Q_STATUS:
 334    bit 31 = 1: All engines idle and all queues empty
 335    bit 30 = 1: Hardware Queue (=HW CQ, 2D queue, 3D queue) empty
 336    bit 29 = 1: 2D engine is idle
 337    bit 28 = 1: 3D engine is idle
 338    bit 27 = 1: HW command queue empty
 339    bit 26 = 1: 2D queue empty
 340    bit 25 = 1: 3D queue empty
 341    bit 24 = 1: SW command queue empty
 342    bits 23:16: 2D counter 3
 343    bits 15:8:  2D counter 2
 344    bits 7:0:   2D counter 1
 345
 346    Where is the command queue length (current amount of commands the queue
 347    can accept) on the 310/325 series? (The current implementation is taken
 348    from 300 series and certainly wrong...)
 349 */
 350
 351 /* TW: FIXME: xgiCmdQueLen is... where....? */
 352 #define XGI310Idle \
 353   { \
 354   while( (MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
 355   while( (MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
 356   xgiCmdQueLen=MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS); \
 357   }
 358
 359 #define XGI310SetupSRCBase(base) \
 360       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 361       MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_ADDR, base);\
 362       xgiCmdQueLen--;
 363
 364 #define XGI310SetupSRCPitch(pitch) \
 365       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 366       MMIO_OUT16(xgi_video_info.mmio_vbase, SRC_PITCH, pitch);\
 367       xgiCmdQueLen--;
 368
 369 #define XGI310SetupSRCXY(x,y) \
 370       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 371       MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_Y, (x)<<16 | (y) );\
 372       xgiCmdQueLen--;
 373
 374 #define XGI310SetupDSTBase(base) \
 375       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 376       MMIO_OUT32(xgi_video_info.mmio_vbase, DST_ADDR, base);\
 377       xgiCmdQueLen--;
 378
 379 #define XGI310SetupDSTXY(x,y) \
 380       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 381       MMIO_OUT32(xgi_video_info.mmio_vbase, DST_Y, (x)<<16 | (y) );\
 382       xgiCmdQueLen--;
 383
 384 #define XGI310SetupDSTRect(x,y) \
 385       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 386       MMIO_OUT32(xgi_video_info.mmio_vbase, DST_PITCH, (y)<<16 | (x) );\
 387       xgiCmdQueLen--;
 388
 389 #define XGI310SetupDSTColorDepth(bpp) \
 390       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 391       MMIO_OUT16(xgi_video_info.mmio_vbase, AGP_BASE, bpp);\
 392       xgiCmdQueLen--;
 393
 394 #define XGI310SetupRect(w,h) \
 395       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 396       MMIO_OUT32(xgi_video_info.mmio_vbase, RECT_WIDTH, (h)<<16 | (w) );\
 397       xgiCmdQueLen--;
 398
 399 #define XGI310SetupPATFG(color) \
 400       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 401       MMIO_OUT32(xgi_video_info.mmio_vbase, PAT_FGCOLOR, color);\
 402       xgiCmdQueLen--;
 403
 404 #define XGI310SetupPATBG(color) \
 405       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 406       MMIO_OUT32(xgi_video_info.mmio_vbase, PAT_BGCOLOR, color);\
 407       xgiCmdQueLen--;
 408
 409 #define XGI310SetupSRCFG(color) \
 410       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 411       MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_FGCOLOR, color);\
 412       xgiCmdQueLen--;
 413
 414 #define XGI310SetupSRCBG(color) \
 415       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 416       MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_BGCOLOR, color);\
 417       xgiCmdQueLen--;
 418
 419 #define XGI310SetupSRCTrans(color) \
 420       if (xgiCmdQueLen <= 1)  XGI310Idle;\
 421       MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_SRC_KEY_HIGH, color);\
 422       MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_SRC_KEY_LOW, color);\
 423       xgiCmdQueLen -= 2;
 424
 425 #define XGI310SetupDSTTrans(color) \
 426       if (xgiCmdQueLen <= 1)  XGI310Idle;\
 427       MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_DST_KEY_HIGH, color); \
 428       MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_DST_KEY_LOW, color); \
 429       xgiCmdQueLen -= 2;
 430
 431 #define XGI310SetupMONOPAT(p0,p1) \
 432       if (xgiCmdQueLen <= 1)  XGI310Idle;\
 433       MMIO_OUT32(xgi_video_info.mmio_vbase, MONO_MASK, p0);\
 434       MMIO_OUT32(xgi_video_info.mmio_vbase, MONO_MASK+4, p1);\
 435       xgiCmdQueLen -= 2;
 436
 437 #define XGI310SetupClipLT(left,top) \
 438       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 439       MMIO_OUT32(xgi_video_info.mmio_vbase, LEFT_CLIP, ((left) & 0xFFFF) | (top)<<16 );\
 440       xgiCmdQueLen--;
 441
 442 #define XGI310SetupClipRB(right,bottom) \
 443       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 444       MMIO_OUT32(xgi_video_info.mmio_vbase, RIGHT_CLIP, ((right) & 0xFFFF) | (bottom)<<16 );\
 445       xgiCmdQueLen--;
 446
 447 #define XGI310SetupROP(rop) \
 448       xgi_video_info.CommandReg = (rop) << 8;
 449
 450 #define XGI310SetupCMDFlag(flags) \
 451       xgi_video_info.CommandReg |= (flags);
 452
 453 #define XGI310DoCMD \
 454       if (xgiCmdQueLen <= 1)  XGI310Idle;\
 455       MMIO_OUT32(xgi_video_info.mmio_vbase, COMMAND_READY, xgi_video_info.CommandReg); \
 456       MMIO_OUT32(xgi_video_info.mmio_vbase, FIRE_TRIGGER, 0); \
 457       xgiCmdQueLen -= 2;
 458
 459 #define XGI310SetupX0Y0(x,y) \
 460       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 461       MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_X0, (y)<<16 | (x) );\
 462       xgiCmdQueLen--;
 463
 464 #define XGI310SetupX1Y1(x,y) \
 465       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 466       MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_X1, (y)<<16 | (x) );\
 467       xgiCmdQueLen--;
 468
 469 #define XGI310SetupLineCount(c) \
 470       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 471       MMIO_OUT16(xgi_video_info.mmio_vbase, LINE_COUNT, c);\
 472       xgiCmdQueLen--;
 473
 474 #define XGI310SetupStylePeriod(p) \
 475       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 476       MMIO_OUT16(xgi_video_info.mmio_vbase, LINE_STYLE_PERIOD, p);\
 477       xgiCmdQueLen--;
 478
 479 #define XGI310SetupStyleLow(ls) \
 480       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 481       MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_STYLE_0, ls);\
 482       xgiCmdQueLen--;
 483
 484 #define XGI310SetupStyleHigh(ls) \
 485       if (xgiCmdQueLen <= 0)  XGI310Idle;\
 486       MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_STYLE_1, ls);\
 487       xgiCmdQueLen--;
 488
 489 int  XGIfb_initaccel(void);
 490 void XGIfb_syncaccel(void);
 491 int fbcon_XGI_sync(struct fb_info *info);
 492
 493 extern struct video_info xgi_video_info;
 494
 495 extern int XGIfb_accel;
 496 void fbcon_XGI_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
 497 void fbcon_XGI_copyarea(struct fb_info *info, const struct fb_copyarea *area);
 498
 499
 500 #endif