drivers/video/sis/sis_accel.c

   1 /*
   2  * SiS 300/630/730/540/315/550/65x/74x/330/760 frame buffer driver
   3  * for Linux kernels 2.4.x and 2.6.x
   4  *
   5  * 2D acceleration part
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the named License,
  10  * or any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
  20  *
  21  * Based on the XFree86/X.org driver which is
  22  *     Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria
  23  *
  24  * Author: Thomas Winischhofer <thomas@winischhofer.net>
  25  *                      (see http://www.winischhofer.net/
  26  *                      for more information and updates)
  27  */
  28
  29 #include <linux/config.h>
  30 #include <linux/version.h>
  31 #include <linux/module.h>
  32 #include <linux/kernel.h>
  33 #include <linux/errno.h>
  34 #include <linux/fb.h>
  35 #include <linux/console.h>
  36 #include <linux/selection.h>
  37 #include <linux/ioport.h>
  38 #include <linux/capability.h>
  39 #include <linux/fs.h>
  40 #include <linux/types.h>
  41
  42 #include <asm/io.h>
  43
  44 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
  45 #include <video/fbcon.h>
  46 #include <video/fbcon-cfb8.h>
  47 #include <video/fbcon-cfb16.h>
  48 #include <video/fbcon-cfb24.h>
  49 #include <video/fbcon-cfb32.h>
  50 #endif
  51
  52 #include "sis.h"
  53 #include "sis_accel.h"
  54
  55 static const u8 sisALUConv[] =
  56 {
  57     0x00,       /* dest = 0;            0,      GXclear,        0 */
  58     0x88,       /* dest &= src;         DSa,    GXand,          0x1 */
  59     0x44,       /* dest = src & ~dest;  SDna,   GXandReverse,   0x2 */
  60     0xCC,       /* dest = src;          S,      GXcopy,         0x3 */
  61     0x22,       /* dest &= ~src;        DSna,   GXandInverted,  0x4 */
  62     0xAA,       /* dest = dest;         D,      GXnoop,         0x5 */
  63     0x66,       /* dest = ^src;         DSx,    GXxor,          0x6 */
  64     0xEE,       /* dest |= src;         DSo,    GXor,           0x7 */
  65     0x11,       /* dest = ~src & ~dest; DSon,   GXnor,          0x8 */
  66     0x99,       /* dest ^= ~src ;       DSxn,   GXequiv,        0x9 */
  67     0x55,       /* dest = ~dest;        Dn,     GXInvert,       0xA */
  68     0xDD,       /* dest = src|~dest ;   SDno,   GXorReverse,    0xB */
  69     0x33,       /* dest = ~src;         Sn,     GXcopyInverted, 0xC */
  70     0xBB,       /* dest |= ~src;        DSno,   GXorInverted,   0xD */
  71     0x77,       /* dest = ~src|~dest;   DSan,   GXnand,         0xE */
  72     0xFF,       /* dest = 0xFF;         1,      GXset,          0xF */
  73 };
  74 /* same ROP but with Pattern as Source */
  75 static const u8 sisPatALUConv[] =
  76 {
  77     0x00,       /* dest = 0;            0,      GXclear,        0 */
  78     0xA0,       /* dest &= src;         DPa,    GXand,          0x1 */
  79     0x50,       /* dest = src & ~dest;  PDna,   GXandReverse,   0x2 */
  80     0xF0,       /* dest = src;          P,      GXcopy,         0x3 */
  81     0x0A,       /* dest &= ~src;        DPna,   GXandInverted,  0x4 */
  82     0xAA,       /* dest = dest;         D,      GXnoop,         0x5 */
  83     0x5A,       /* dest = ^src;         DPx,    GXxor,          0x6 */
  84     0xFA,       /* dest |= src;         DPo,    GXor,           0x7 */
  85     0x05,       /* dest = ~src & ~dest; DPon,   GXnor,          0x8 */
  86     0xA5,       /* dest ^= ~src ;       DPxn,   GXequiv,        0x9 */
  87     0x55,       /* dest = ~dest;        Dn,     GXInvert,       0xA */
  88     0xF5,       /* dest = src|~dest ;   PDno,   GXorReverse,    0xB */
  89     0x0F,       /* dest = ~src;         Pn,     GXcopyInverted, 0xC */
  90     0xAF,       /* dest |= ~src;        DPno,   GXorInverted,   0xD */
  91     0x5F,       /* dest = ~src|~dest;   DPan,   GXnand,         0xE */
  92     0xFF,       /* dest = 0xFF;         1,      GXset,          0xF */
  93 };
  94
  95 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34)
  96 static const int myrops[] = {
  97         3, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
  98 };
  99 #endif
 100
 101 /* 300 series ----------------------------------------------------- */
 102 #ifdef CONFIG_FB_SIS_300
 103 static void
 104 SiS300Sync(struct sis_video_info *ivideo)
 105 {
 106         SiS300Idle
 107 }
 108
 109 static void
 110 SiS300SetupForScreenToScreenCopy(struct sis_video_info *ivideo, int xdir, int ydir,
 111                                  int rop, int trans_color)
 112 {
 113         SiS300SetupDSTColorDepth(ivideo->DstColor);
 114         SiS300SetupSRCPitch(ivideo->video_linelength)
 115         SiS300SetupDSTRect(ivideo->video_linelength, 0xffff)
 116
 117         if(trans_color != -1) {
 118                 SiS300SetupROP(0x0A)
 119                 SiS300SetupSRCTrans(trans_color)
 120                 SiS300SetupCMDFlag(TRANSPARENT_BITBLT)
 121         } else {
 122                 SiS300SetupROP(sisALUConv[rop])
 123         }
 124         if(xdir > 0) {
 125                 SiS300SetupCMDFlag(X_INC)
 126         }
 127         if(ydir > 0) {
 128                 SiS300SetupCMDFlag(Y_INC)
 129         }
 130 }
 131
 132 static void
 133 SiS300SubsequentScreenToScreenCopy(struct sis_video_info *ivideo, int src_x,
 134                                    int src_y, int dst_x, int dst_y, int width, int height)
 135 {
 136         u32 srcbase = 0, dstbase = 0;
 137
 138         if(src_y >= 2048) {
 139                 srcbase = ivideo->video_linelength * src_y;
 140                 src_y = 0;
 141         }
 142         if(dst_y >= 2048) {
 143                 dstbase = ivideo->video_linelength * dst_y;
 144                 dst_y = 0;
 145         }
 146
 147         SiS300SetupSRCBase(srcbase);
 148         SiS300SetupDSTBase(dstbase);
 149
 150         if(!(ivideo->CommandReg & X_INC))  {
 151                 src_x += width-1;
 152                 dst_x += width-1;
 153         }
 154         if(!(ivideo->CommandReg & Y_INC))  {
 155                 src_y += height-1;
 156                 dst_y += height-1;
 157         }
 158         SiS300SetupRect(width, height)
 159         SiS300SetupSRCXY(src_x, src_y)
 160         SiS300SetupDSTXY(dst_x, dst_y)
 161         SiS300DoCMD
 162 }
 163
 164 static void
 165 SiS300SetupForSolidFill(struct sis_video_info *ivideo, u32 color, int rop)
 166 {
 167         SiS300SetupPATFG(color)
 168         SiS300SetupDSTRect(ivideo->video_linelength, 0xffff)
 169         SiS300SetupDSTColorDepth(ivideo->DstColor);
 170         SiS300SetupROP(sisPatALUConv[rop])
 171         SiS300SetupCMDFlag(PATFG)
 172 }
 173
 174 static void
 175 SiS300SubsequentSolidFillRect(struct sis_video_info *ivideo, int x, int y, int w, int h)
 176 {
 177         u32 dstbase = 0;
 178
 179         if(y >= 2048) {
 180                 dstbase = ivideo->video_linelength * y;
 181                 y = 0;
 182         }
 183         SiS300SetupDSTBase(dstbase)
 184         SiS300SetupDSTXY(x,y)
 185         SiS300SetupRect(w,h)
 186         SiS300SetupCMDFlag(X_INC | Y_INC | BITBLT)
 187         SiS300DoCMD
 188 }
 189 #endif
 190
 191 /* 315/330 series ------------------------------------------------- */
 192
 193 #ifdef CONFIG_FB_SIS_315
 194 static void
 195 SiS310Sync(struct sis_video_info *ivideo)
 196 {
 197         SiS310Idle
 198 }
 199
 200 static void
 201 SiS310SetupForScreenToScreenCopy(struct sis_video_info *ivideo, int rop, int trans_color)
 202 {
 203         SiS310SetupDSTColorDepth(ivideo->DstColor);
 204         SiS310SetupSRCPitch(ivideo->video_linelength)
 205         SiS310SetupDSTRect(ivideo->video_linelength, 0xffff)
 206         if(trans_color != -1) {
 207                 SiS310SetupROP(0x0A)
 208                 SiS310SetupSRCTrans(trans_color)
 209                 SiS310SetupCMDFlag(TRANSPARENT_BITBLT)
 210         } else {
 211                 SiS310SetupROP(sisALUConv[rop])
 212                 /* Set command - not needed, both 0 */
 213                 /* SiSSetupCMDFlag(BITBLT | SRCVIDEO) */
 214         }
 215         SiS310SetupCMDFlag(ivideo->SiS310_AccelDepth)
 216         /* The 315 series is smart enough to know the direction */
 217 }
 218
 219 static void
 220 SiS310SubsequentScreenToScreenCopy(struct sis_video_info *ivideo, int src_x, int src_y,
 221                          int dst_x, int dst_y, int width, int height)
 222 {
 223         u32 srcbase = 0, dstbase = 0;
 224         int mymin = min(src_y, dst_y);
 225         int mymax = max(src_y, dst_y);
 226
 227         /* Although the chip knows the direction to use
 228          * if the source and destination areas overlap,
 229          * that logic fails if we fiddle with the bitmap
 230          * addresses. Therefore, we check if the source
 231          * and destination blitting areas overlap and
 232          * adapt the bitmap addresses synchronously
 233          * if the coordinates exceed the valid range.
 234          * The the areas do not overlap, we do our
 235          * normal check.
 236          */
 237         if((mymax - mymin) < height) {
 238            if((src_y >= 2048) || (dst_y >= 2048)) {
 239               srcbase = ivideo->video_linelength * mymin;
 240               dstbase = ivideo->video_linelength * mymin;
 241               src_y -= mymin;
 242               dst_y -= mymin;
 243            }
 244         } else {
 245            if(src_y >= 2048) {
 246               srcbase = ivideo->video_linelength * src_y;
 247               src_y = 0;
 248            }
 249            if(dst_y >= 2048) {
 250               dstbase = ivideo->video_linelength * dst_y;
 251               dst_y = 0;
 252            }
 253         }
 254
 255         SiS310SetupSRCBase(srcbase);
 256         SiS310SetupDSTBase(dstbase);
 257         SiS310SetupRect(width, height)
 258         SiS310SetupSRCXY(src_x, src_y)
 259         SiS310SetupDSTXY(dst_x, dst_y)
 260         SiS310DoCMD
 261 }
 262
 263 static void
 264 SiS310SetupForSolidFill(struct sis_video_info *ivideo, u32 color, int rop)
 265 {
 266         SiS310SetupPATFG(color)
 267         SiS310SetupDSTRect(ivideo->video_linelength, 0xffff)
 268         SiS310SetupDSTColorDepth(ivideo->DstColor);
 269         SiS310SetupROP(sisPatALUConv[rop])
 270         SiS310SetupCMDFlag(PATFG | ivideo->SiS310_AccelDepth)
 271 }
 272
 273 static void
 274 SiS310SubsequentSolidFillRect(struct sis_video_info *ivideo, int x, int y, int w, int h)
 275 {
 276         u32 dstbase = 0;
 277
 278         if(y >= 2048) {
 279                 dstbase = ivideo->video_linelength * y;
 280                 y = 0;
 281         }
 282         SiS310SetupDSTBase(dstbase)
 283         SiS310SetupDSTXY(x,y)
 284         SiS310SetupRect(w,h)
 285         SiS310SetupCMDFlag(BITBLT)
 286         SiS310DoCMD
 287 }
 288 #endif
 289
 290 /* --------------------------------------------------------------------- */
 291
 292 /* The exported routines */
 293
 294 int sisfb_initaccel(struct sis_video_info *ivideo)
 295 {
 296 #ifdef SISFB_USE_SPINLOCKS
 297     spin_lock_init(&ivideo->lockaccel);
 298 #endif
 299     return(0);
 300 }
 301
 302 void sisfb_syncaccel(struct sis_video_info *ivideo)
 303 {
 304     if(ivideo->sisvga_engine == SIS_300_VGA) {
 305 #ifdef CONFIG_FB_SIS_300
 306         SiS300Sync(ivideo);
 307 #endif
 308     } else {
 309 #ifdef CONFIG_FB_SIS_315
 310         SiS310Sync(ivideo);
 311 #endif
 312     }
 313 }
 314
 315 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)  /* --------------- 2.5 --------------- */
 316
 317 int fbcon_sis_sync(struct fb_info *info)
 318 {
 319    struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
 320    CRITFLAGS
 321
 322    if(!ivideo->accel)
 323         return 0;
 324
 325    if(ivideo->sisvga_engine == SIS_300_VGA) {
 326 #ifdef CONFIG_FB_SIS_300
 327       SiS300Sync(ivideo);
 328 #endif
 329    } else {
 330 #ifdef CONFIG_FB_SIS_315
 331       SiS310Sync(ivideo);
 332 #endif
 333    }
 334    CRITEND
 335    return 0;
 336 }
 337
 338 void fbcon_sis_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 339 {
 340    struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
 341    u32 col = 0;
 342    u32 vxres = info->var.xres_virtual;
 343    u32 vyres = info->var.yres_virtual;
 344    int width, height;
 345    CRITFLAGS
 346
 347    if(info->state != FBINFO_STATE_RUNNING) {
 348         return;
 349    }
 350
 351    if(!ivideo->accel) {
 352         cfb_fillrect(info, rect);
 353         return;
 354    }
 355
 356    if(!rect->width || !rect->height || rect->dx >= vxres || rect->dy >= vyres) {
 357         return;
 358    }
 359
 360    /* Clipping */
 361    width = ((rect->dx + rect->width) > vxres) ? (vxres - rect->dx) : rect->width;
 362    height = ((rect->dy + rect->height) > vyres) ? (vyres - rect->dy) : rect->height;
 363
 364    switch(info->var.bits_per_pixel) {
 365         case 8:  col = rect->color;
 366                  break;
 367         case 16:
 368         case 32: col = ((u32 *)(info->pseudo_palette))[rect->color];
 369                  break;
 370    }
 371
 372    if(ivideo->sisvga_engine == SIS_300_VGA) {
 373 #ifdef CONFIG_FB_SIS_300
 374       CRITBEGIN
 375       SiS300SetupForSolidFill(ivideo, col, myrops[rect->rop]);
 376       SiS300SubsequentSolidFillRect(ivideo, rect->dx, rect->dy, width, height);
 377       CRITEND
 378       SiS300Sync(ivideo);
 379 #endif
 380    } else {
 381 #ifdef CONFIG_FB_SIS_315
 382       CRITBEGIN
 383       SiS310SetupForSolidFill(ivideo, col, myrops[rect->rop]);
 384       SiS310SubsequentSolidFillRect(ivideo, rect->dx, rect->dy, width, height);
 385       CRITEND
 386       SiS310Sync(ivideo);
 387 #endif
 388    }
 389
 390 }
 391
 392 void fbcon_sis_copyarea(struct fb_info *info, const struct fb_copyarea *area)
 393 {
 394    struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
 395    u32 vxres = info->var.xres_virtual;
 396    u32 vyres = info->var.yres_virtual;
 397    int width = area->width;
 398    int height = area->height;
 399    CRITFLAGS
 400
 401    if(info->state != FBINFO_STATE_RUNNING) {
 402         return;
 403    }
 404
 405    if(!ivideo->accel) {
 406         cfb_copyarea(info, area);
 407         return;
 408    }
 409
 410    if(!width || !height ||
 411       area->sx >= vxres || area->sy >= vyres ||
 412       area->dx >= vxres || area->dy >= vyres) {
 413         return;
 414    }
 415
 416    /* Clipping */
 417    if((area->sx + width) > vxres) width = vxres - area->sx;
 418    if((area->dx + width) > vxres) width = vxres - area->dx;
 419    if((area->sy + height) > vyres) height = vyres - area->sy;
 420    if((area->dy + height) > vyres) height = vyres - area->dy;
 421
 422    if(ivideo->sisvga_engine == SIS_300_VGA) {
 423 #ifdef CONFIG_FB_SIS_300
 424       int xdir, ydir;
 425
 426       if(area->sx < area->dx) xdir = 0;
 427       else                    xdir = 1;
 428       if(area->sy < area->dy) ydir = 0;
 429       else                    ydir = 1;
 430
 431       CRITBEGIN
 432       SiS300SetupForScreenToScreenCopy(ivideo, xdir, ydir, 3, -1);
 433       SiS300SubsequentScreenToScreenCopy(ivideo, area->sx, area->sy, area->dx, area->dy,
 434                                          width, height);
 435       CRITEND
 436       SiS300Sync(ivideo);
 437 #endif
 438    } else {
 439 #ifdef CONFIG_FB_SIS_315
 440       CRITBEGIN
 441       SiS310SetupForScreenToScreenCopy(ivideo, 3, -1);
 442       SiS310SubsequentScreenToScreenCopy(ivideo, area->sx, area->sy, area->dx, area->dy,
 443                                          width, height);
 444       CRITEND
 445       SiS310Sync(ivideo);
 446 #endif
 447    }
 448 }
 449
 450 #endif
 451
 452 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)  /* -------------- 2.4 --------------- */
 453
 454 void fbcon_sis_bmove(struct display *p, int srcy, int srcx,
 455                             int dsty, int dstx, int height, int width)
 456 {
 457         struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
 458
 459         CRITFLAGS
 460
 461         if(!ivideo->accel) {
 462             switch(ivideo->video_bpp) {
 463             case 8:
 464 #ifdef FBCON_HAS_CFB8
 465                fbcon_cfb8_bmove(p, srcy, srcx, dsty, dstx, height, width);
 466 #endif
 467                break;
 468             case 16:
 469 #ifdef FBCON_HAS_CFB16
 470                fbcon_cfb16_bmove(p, srcy, srcx, dsty, dstx, height, width);
 471 #endif
 472                break;
 473             case 32:
 474 #ifdef FBCON_HAS_CFB32
 475                fbcon_cfb32_bmove(p, srcy, srcx, dsty, dstx, height, width);
 476 #endif
 477                break;
 478             }
 479             return;
 480         }
 481
 482         srcx *= fontwidth(p);
 483         srcy *= fontheight(p);
 484         dstx *= fontwidth(p);
 485         dsty *= fontheight(p);
 486         width *= fontwidth(p);
 487         height *= fontheight(p);
 488
 489         if(ivideo->sisvga_engine == SIS_300_VGA) {
 490 #ifdef CONFIG_FB_SIS_300
 491            int xdir, ydir;
 492
 493            if(srcx < dstx) xdir = 0;
 494            else            xdir = 1;
 495            if(srcy < dsty) ydir = 0;
 496            else            ydir = 1;
 497
 498            CRITBEGIN
 499            SiS300SetupForScreenToScreenCopy(ivideo, xdir, ydir, 3, -1);
 500            SiS300SubsequentScreenToScreenCopy(ivideo, srcx, srcy, dstx, dsty, width, height);
 501            CRITEND
 502            SiS300Sync(ivideo);
 503 #endif
 504         } else {
 505 #ifdef CONFIG_FB_SIS_315
 506            CRITBEGIN
 507            SiS310SetupForScreenToScreenCopy(ivideo, 3, -1);
 508            SiS310SubsequentScreenToScreenCopy(ivideo, srcx, srcy, dstx, dsty, width, height);
 509            CRITEND
 510            SiS310Sync(ivideo);
 511 #endif
 512         }
 513 }
 514
 515 static void fbcon_sis_clear(struct vc_data *conp, struct display *p,
 516                         int srcy, int srcx, int height, int width, int color)
 517 {
 518         struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
 519         CRITFLAGS
 520
 521         srcx *= fontwidth(p);
 522         srcy *= fontheight(p);
 523         width *= fontwidth(p);
 524         height *= fontheight(p);
 525
 526         if(ivideo->sisvga_engine == SIS_300_VGA) {
 527 #ifdef CONFIG_FB_SIS_300
 528            CRITBEGIN
 529            SiS300SetupForSolidFill(ivideo, color, 3);
 530            SiS300SubsequentSolidFillRect(ivideo, srcx, srcy, width, height);
 531            CRITEND
 532            SiS300Sync(ivideo);
 533 #endif
 534         } else {
 535 #ifdef CONFIG_FB_SIS_315
 536            CRITBEGIN
 537            SiS310SetupForSolidFill(ivideo, color, 3);
 538            SiS310SubsequentSolidFillRect(ivideo, srcx, srcy, width, height);
 539            CRITEND
 540            SiS310Sync(ivideo);
 541 #endif
 542         }
 543 }
 544
 545 void fbcon_sis_clear8(struct vc_data *conp, struct display *p,
 546                         int srcy, int srcx, int height, int width)
 547 {
 548         struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
 549         u32 bgx;
 550
 551         if(!ivideo->accel) {
 552 #ifdef FBCON_HAS_CFB8
 553             fbcon_cfb8_clear(conp, p, srcy, srcx, height, width);
 554 #endif
 555             return;
 556         }
 557
 558         bgx = attr_bgcol_ec(p, conp);
 559         fbcon_sis_clear(conp, p, srcy, srcx, height, width, bgx);
 560 }
 561
 562 void fbcon_sis_clear16(struct vc_data *conp, struct display *p,
 563                         int srcy, int srcx, int height, int width)
 564 {
 565         struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
 566         u32 bgx;
 567
 568         if(!ivideo->accel) {
 569 #ifdef FBCON_HAS_CFB16
 570             fbcon_cfb16_clear(conp, p, srcy, srcx, height, width);
 571 #endif
 572             return;
 573         }
 574
 575         bgx = ((u_int16_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)];
 576         fbcon_sis_clear(conp, p, srcy, srcx, height, width, bgx);
 577 }
 578
 579 void fbcon_sis_clear32(struct vc_data *conp, struct display *p,
 580                         int srcy, int srcx, int height, int width)
 581 {
 582         struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
 583         u32 bgx;
 584
 585         if(!ivideo->accel) {
 586 #ifdef FBCON_HAS_CFB32
 587             fbcon_cfb32_clear(conp, p, srcy, srcx, height, width);
 588 #endif
 589             return;
 590         }
 591
 592         bgx = ((u_int32_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)];
 593         fbcon_sis_clear(conp, p, srcy, srcx, height, width, bgx);
 594 }
 595
 596 void fbcon_sis_revc(struct display *p, int srcx, int srcy)
 597 {
 598         struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
 599         CRITFLAGS
 600
 601         if(!ivideo->accel) {
 602             switch(ivideo->video_bpp) {
 603             case 16:
 604 #ifdef FBCON_HAS_CFB16
 605                fbcon_cfb16_revc(p, srcx, srcy);
 606 #endif
 607                break;
 608             case 32:
 609 #ifdef FBCON_HAS_CFB32
 610                fbcon_cfb32_revc(p, srcx, srcy);
 611 #endif
 612                break;
 613             }
 614             return;
 615         }
 616
 617         srcx *= fontwidth(p);
 618         srcy *= fontheight(p);
 619
 620         if(ivideo->sisvga_engine == SIS_300_VGA) {
 621 #ifdef CONFIG_FB_SIS_300
 622            CRITBEGIN
 623            SiS300SetupForSolidFill(ivideo, 0, 0x0a);
 624            SiS300SubsequentSolidFillRect(ivideo, srcx, srcy, fontwidth(p), fontheight(p));
 625            CRITEND
 626            SiS300Sync(ivideo);
 627 #endif
 628         } else {
 629 #ifdef CONFIG_FB_SIS_315
 630            CRITBEGIN
 631            SiS310SetupForSolidFill(ivideo, 0, 0x0a);
 632            SiS310SubsequentSolidFillRect(ivideo, srcx, srcy, fontwidth(p), fontheight(p));
 633            CRITEND
 634            SiS310Sync(ivideo);
 635 #endif
 636         }
 637 }
 638
 639 #ifdef FBCON_HAS_CFB8
 640 struct display_switch fbcon_sis8 = {
 641         .setup          = fbcon_cfb8_setup,
 642         .bmove          = fbcon_sis_bmove,
 643         .clear          = fbcon_sis_clear8,
 644         .putc           = fbcon_cfb8_putc,
 645         .putcs          = fbcon_cfb8_putcs,
 646         .revc           = fbcon_cfb8_revc,
 647         .clear_margins  = fbcon_cfb8_clear_margins,
 648         .fontwidthmask  = FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
 649 };
 650 #endif
 651 #ifdef FBCON_HAS_CFB16
 652 struct display_switch fbcon_sis16 = {
 653         .setup          = fbcon_cfb16_setup,
 654         .bmove          = fbcon_sis_bmove,
 655         .clear          = fbcon_sis_clear16,
 656         .putc           = fbcon_cfb16_putc,
 657         .putcs          = fbcon_cfb16_putcs,
 658         .revc           = fbcon_sis_revc,
 659         .clear_margins  = fbcon_cfb16_clear_margins,
 660         .fontwidthmask  = FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
 661 };
 662 #endif
 663 #ifdef FBCON_HAS_CFB32
 664 struct display_switch fbcon_sis32 = {
 665         .setup          = fbcon_cfb32_setup,
 666         .bmove          = fbcon_sis_bmove,
 667         .clear          = fbcon_sis_clear32,
 668         .putc           = fbcon_cfb32_putc,
 669         .putcs          = fbcon_cfb32_putcs,
 670         .revc           = fbcon_sis_revc,
 671         .clear_margins  = fbcon_cfb32_clear_margins,
 672         .fontwidthmask  = FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
 673 };
 674 #endif
 675
 676 #endif /* KERNEL VERSION */
 677
 678