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 182int 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#define XGI310Idle \ 352 { \ 353 while( (MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \ 354 while( (MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \ 355 xgiCmdQueLen=MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS); \ 356 } 357 358#define XGI310SetupSRCBase(base) \ 359 if (xgiCmdQueLen <= 0) XGI310Idle;\ 360 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_ADDR, base);\ 361 xgiCmdQueLen--; 362 363#define XGI310SetupSRCPitch(pitch) \ 364 if (xgiCmdQueLen <= 0) XGI310Idle;\ 365 MMIO_OUT16(xgi_video_info.mmio_vbase, SRC_PITCH, pitch);\ 366 xgiCmdQueLen--; 367 368#define XGI310SetupSRCXY(x,y) \ 369 if (xgiCmdQueLen <= 0) XGI310Idle;\ 370 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_Y, (x)<<16 | (y) );\ 371 xgiCmdQueLen--; 372 373#define XGI310SetupDSTBase(base) \ 374 if (xgiCmdQueLen <= 0) XGI310Idle;\ 375 MMIO_OUT32(xgi_video_info.mmio_vbase, DST_ADDR, base);\ 376 xgiCmdQueLen--; 377 378#define XGI310SetupDSTXY(x,y) \ 379 if (xgiCmdQueLen <= 0) XGI310Idle;\ 380 MMIO_OUT32(xgi_video_info.mmio_vbase, DST_Y, (x)<<16 | (y) );\ 381 xgiCmdQueLen--; 382 383#define XGI310SetupDSTRect(x,y) \ 384 if (xgiCmdQueLen <= 0) XGI310Idle;\ 385 MMIO_OUT32(xgi_video_info.mmio_vbase, DST_PITCH, (y)<<16 | (x) );\ 386 xgiCmdQueLen--; 387 388#define XGI310SetupDSTColorDepth(bpp) \ 389 if (xgiCmdQueLen <= 0) XGI310Idle;\ 390 MMIO_OUT16(xgi_video_info.mmio_vbase, AGP_BASE, bpp);\ 391 xgiCmdQueLen--; 392 393#define XGI310SetupRect(w,h) \ 394 if (xgiCmdQueLen <= 0) XGI310Idle;\ 395 MMIO_OUT32(xgi_video_info.mmio_vbase, RECT_WIDTH, (h)<<16 | (w) );\ 396 xgiCmdQueLen--; 397 398#define XGI310SetupPATFG(color) \ 399 if (xgiCmdQueLen <= 0) XGI310Idle;\ 400 MMIO_OUT32(xgi_video_info.mmio_vbase, PAT_FGCOLOR, color);\ 401 xgiCmdQueLen--; 402 403#define XGI310SetupPATBG(color) \ 404 if (xgiCmdQueLen <= 0) XGI310Idle;\ 405 MMIO_OUT32(xgi_video_info.mmio_vbase, PAT_BGCOLOR, color);\ 406 xgiCmdQueLen--; 407 408#define XGI310SetupSRCFG(color) \ 409 if (xgiCmdQueLen <= 0) XGI310Idle;\ 410 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_FGCOLOR, color);\ 411 xgiCmdQueLen--; 412 413#define XGI310SetupSRCBG(color) \ 414 if (xgiCmdQueLen <= 0) XGI310Idle;\ 415 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_BGCOLOR, color);\ 416 xgiCmdQueLen--; 417 418#define XGI310SetupSRCTrans(color) \ 419 if (xgiCmdQueLen <= 1) XGI310Idle;\ 420 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_SRC_KEY_HIGH, color);\ 421 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_SRC_KEY_LOW, color);\ 422 xgiCmdQueLen -= 2; 423 424#define XGI310SetupDSTTrans(color) \ 425 if (xgiCmdQueLen <= 1) XGI310Idle;\ 426 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_DST_KEY_HIGH, color); \ 427 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_DST_KEY_LOW, color); \ 428 xgiCmdQueLen -= 2; 429 430#define XGI310SetupMONOPAT(p0,p1) \ 431 if (xgiCmdQueLen <= 1) XGI310Idle;\ 432 MMIO_OUT32(xgi_video_info.mmio_vbase, MONO_MASK, p0);\ 433 MMIO_OUT32(xgi_video_info.mmio_vbase, MONO_MASK+4, p1);\ 434 xgiCmdQueLen -= 2; 435 436#define XGI310SetupClipLT(left,top) \ 437 if (xgiCmdQueLen <= 0) XGI310Idle;\ 438 MMIO_OUT32(xgi_video_info.mmio_vbase, LEFT_CLIP, ((left) & 0xFFFF) | (top)<<16 );\ 439 xgiCmdQueLen--; 440 441#define XGI310SetupClipRB(right,bottom) \ 442 if (xgiCmdQueLen <= 0) XGI310Idle;\ 443 MMIO_OUT32(xgi_video_info.mmio_vbase, RIGHT_CLIP, ((right) & 0xFFFF) | (bottom)<<16 );\ 444 xgiCmdQueLen--; 445 446#define XGI310SetupROP(rop) \ 447 xgi_video_info.CommandReg = (rop) << 8; 448 449#define XGI310SetupCMDFlag(flags) \ 450 xgi_video_info.CommandReg |= (flags); 451 452#define XGI310DoCMD \ 453 if (xgiCmdQueLen <= 1) XGI310Idle;\ 454 MMIO_OUT32(xgi_video_info.mmio_vbase, COMMAND_READY, xgi_video_info.CommandReg); \ 455 MMIO_OUT32(xgi_video_info.mmio_vbase, FIRE_TRIGGER, 0); \ 456 xgiCmdQueLen -= 2; 457 458#define XGI310SetupX0Y0(x,y) \ 459 if (xgiCmdQueLen <= 0) XGI310Idle;\ 460 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_X0, (y)<<16 | (x) );\ 461 xgiCmdQueLen--; 462 463#define XGI310SetupX1Y1(x,y) \ 464 if (xgiCmdQueLen <= 0) XGI310Idle;\ 465 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_X1, (y)<<16 | (x) );\ 466 xgiCmdQueLen--; 467 468#define XGI310SetupLineCount(c) \ 469 if (xgiCmdQueLen <= 0) XGI310Idle;\ 470 MMIO_OUT16(xgi_video_info.mmio_vbase, LINE_COUNT, c);\ 471 xgiCmdQueLen--; 472 473#define XGI310SetupStylePeriod(p) \ 474 if (xgiCmdQueLen <= 0) XGI310Idle;\ 475 MMIO_OUT16(xgi_video_info.mmio_vbase, LINE_STYLE_PERIOD, p);\ 476 xgiCmdQueLen--; 477 478#define XGI310SetupStyleLow(ls) \ 479 if (xgiCmdQueLen <= 0) XGI310Idle;\ 480 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_STYLE_0, ls);\ 481 xgiCmdQueLen--; 482 483#define XGI310SetupStyleHigh(ls) \ 484 if (xgiCmdQueLen <= 0) XGI310Idle;\ 485 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_STYLE_1, ls);\ 486 xgiCmdQueLen--; 487 488int XGIfb_initaccel(void); 489void XGIfb_syncaccel(void); 490 491extern struct video_info xgi_video_info; 492 493extern int XGIfb_accel; 494void fbcon_XGI_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 495void fbcon_XGI_copyarea(struct fb_info *info, const struct fb_copyarea *area); 496 497 498#endif 499