vidix/cyberblade_vid.c

   1 /*
   2  * VIDIX driver for VIA Cyberblade/i1 chipsets.
   3  * Brightness/Contrast controls disabled for the time being - they were
   4  * seriously degrading picture quality, especially with TV-Out.
   5  *
   6  * Copyright (C) 2002 Alastair M. Robinson
   7  * http://www.blackfiveservices.co.uk/EPIAVidix.shtml
   8  * based on Permedia 3 driver by Måns Rullgård
   9  * thanks to Gilles Frattini for bugfixes
  10  *
  11  * This file is part of MPlayer.
  12  *
  13  * MPlayer is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * MPlayer is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License along
  24  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  25  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  26  */
  27
  28 /* To Do:
  29  *   Implement Hue/Saturation controls
  30  *   Support / Test multiple frames
  31  *   Test colour-key code more extensively
  32  */
  33
  34 #include <errno.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <inttypes.h>
  39 #include <unistd.h>
  40
  41 #include "config.h"
  42 #include "vidix.h"
  43 #include "fourcc.h"
  44 #include "dha.h"
  45 #include "pci_ids.h"
  46 #include "pci_names.h"
  47
  48 #include "cyberblade_regs.h"
  49
  50 static pciinfo_t pci_info;
  51
  52 static char save_colourkey[6];
  53 static char *cyberblade_mem;
  54
  55 #ifdef DEBUG_LOGFILE
  56 static FILE *logfile=0;
  57 #define LOGWRITE(x) {if(logfile) fprintf(logfile,x);}
  58 #else
  59 #define LOGWRITE(x)
  60 #endif
  61
  62 /* Helper functions for reading registers. */
  63
  64 static void CROUTW(int reg,int val)
  65 {
  66         CROUTB(reg,val&255);
  67         CROUTB(reg+1,(val>>8)&255);
  68 }
  69
  70 static void SROUTW(int reg,int val)
  71 {
  72         SROUTB(reg,val&255);
  73         SROUTB(reg+1,(val>>8)&255);
  74 }
  75
  76 static vidix_capability_t cyberblade_cap =
  77 {
  78         "Trident CyberBlade i1 driver",
  79         "Alastair M. Robinson <blackfive@fakenhamweb.co.uk>",
  80         TYPE_OUTPUT,
  81         { 0, 0, 0, 0 },
  82         1024,
  83         1024,
  84         4,
  85         4,
  86         -1,
  87         FLAG_UPSCALER|FLAG_DOWNSCALER,
  88         VENDOR_TRIDENT,
  89         -1,
  90         { 0, 0, 0, 0 }
  91 };
  92
  93 static unsigned short cyberblade_card_ids[] =
  94 {
  95         DEVICE_TRIDENT_CYBERBLADE_I7,
  96         DEVICE_TRIDENT_CYBERBLADE_I7D,
  97         DEVICE_TRIDENT_CYBERBLADE_I1,
  98         DEVICE_TRIDENT_CYBERBLADE_I12,
  99         DEVICE_TRIDENT_CYBERBLADE_I13,
 100         DEVICE_TRIDENT_CYBERBLADE_XPAI1
 101 };
 102
 103
 104 static int find_chip(unsigned chip_id)
 105 {
 106   unsigned i;
 107   for(i = 0;i < sizeof(cyberblade_card_ids)/sizeof(unsigned short);i++)
 108   {
 109     if(chip_id == cyberblade_card_ids[i]) return i;
 110   }
 111   return -1;
 112 }
 113
 114 static int cyberblade_probe(int verbose, int force)
 115 {
 116         pciinfo_t lst[MAX_PCI_DEVICES];
 117         unsigned i,num_pci;
 118         int err;
 119         err = pci_scan(lst,&num_pci);
 120         if(err)
 121         {
 122                 printf("[cyberblade] Error occurred during pci scan: %s\n",strerror(err));
 123                 return err;
 124         }
 125         else
 126         {
 127                 err = ENXIO;
 128                 for(i=0; i < num_pci; i++)
 129                 {
 130                         if(lst[i].vendor == VENDOR_TRIDENT)
 131                         {
 132                                 int idx;
 133                                 const char *dname;
 134                                 idx = find_chip(lst[i].device);
 135                                 if(idx == -1)
 136                                         continue;
 137                                 dname = pci_device_name(VENDOR_TRIDENT, lst[i].device);
 138                                 dname = dname ? dname : "Unknown chip";
 139                                 printf("[cyberblade] Found chip: %s\n", dname);
 140 #if 0
 141                                 if ((lst[i].command & PCI_COMMAND_IO) == 0)
 142                                 {
 143                                         printf("[cyberblade] Device is disabled, ignoring\n");
 144                                         continue;
 145                                 }
 146 #endif
 147                                 cyberblade_cap.device_id = lst[i].device;
 148                                 err = 0;
 149                                 memcpy(&pci_info, &lst[i], sizeof(pciinfo_t));
 150                                 break;
 151                         }
 152                 }
 153         }
 154
 155         if(err && verbose) printf("[cyberblade] Can't find chip\n");
 156                 return err;
 157 }
 158
 159
 160 static int cyberblade_init(void)
 161 {
 162         cyberblade_mem = map_phys_mem(pci_info.base0, 0x800000);
 163         enable_app_io();
 164         save_colourkey[0]=SRINB(0x50);
 165         save_colourkey[1]=SRINB(0x51);
 166         save_colourkey[2]=SRINB(0x52);
 167         save_colourkey[3]=SRINB(0x54);
 168         save_colourkey[4]=SRINB(0x55);
 169         save_colourkey[5]=SRINB(0x56);
 170 #ifdef DEBUG_LOGFILE
 171         logfile=fopen("/tmp/cyberblade_vidix.log","w");
 172 #endif
 173         return 0;
 174 }
 175
 176 static void cyberblade_destroy(void)
 177 {
 178         int protect;
 179 #ifdef DEBUG_LOGFILE
 180         if(logfile)
 181                 fclose(logfile);
 182 #endif
 183         protect=SRINB(0x11);
 184         SROUTB(0x11, 0x92);
 185         CROUTB(0x8E, 0xc4); /* Disable overlay */
 186         SROUTB(0x50,save_colourkey[0]);
 187         SROUTB(0x51,save_colourkey[1]);
 188         SROUTB(0x52,save_colourkey[2]);
 189         SROUTB(0x54,save_colourkey[3]);
 190         SROUTB(0x55,save_colourkey[4]);
 191         SROUTB(0x56,save_colourkey[5]);
 192         SROUTB(0x11, protect);
 193         disable_app_io();
 194         unmap_phys_mem(cyberblade_mem, 0x800000);
 195 }
 196
 197
 198 static int cyberblade_get_caps(vidix_capability_t *to)
 199 {
 200         memcpy(to, &cyberblade_cap, sizeof(vidix_capability_t));
 201         return 0;
 202 }
 203
 204
 205 static int is_supported_fourcc(uint32_t fourcc)
 206 {
 207         switch(fourcc)
 208         {
 209                 case IMGFMT_YUY2:
 210                 case IMGFMT_YV12:
 211                 case IMGFMT_I420:
 212                 case IMGFMT_YVU9:
 213                 case IMGFMT_BGR16:
 214                         return 1;
 215                 default:
 216                         return 0;
 217         }
 218 }
 219
 220 static int cyberblade_query_fourcc(vidix_fourcc_t *to)
 221 {
 222         if(is_supported_fourcc(to->fourcc))
 223         {
 224                 to->depth = VID_DEPTH_ALL;
 225                 to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
 226                 return 0;
 227         }
 228                 to->depth = to->flags = 0;
 229         return ENOSYS;
 230 }
 231
 232
 233 static int frames[VID_PLAY_MAXFRAMES];
 234
 235 static vidix_grkey_t cyberblade_grkey;
 236
 237 static int cyberblade_get_gkeys(vidix_grkey_t *grkey)
 238 {
 239         memcpy(grkey, &cyberblade_grkey, sizeof(vidix_grkey_t));
 240         return 0;
 241 }
 242
 243 static int cyberblade_set_gkeys(const vidix_grkey_t *grkey)
 244 {
 245         int pixfmt=CRINB(0x38);
 246         int protect;
 247         memcpy(&cyberblade_grkey, grkey, sizeof(vidix_grkey_t));
 248
 249         protect=SRINB(0x11);
 250         SROUTB(0x11, 0x92);
 251
 252         if(pixfmt&0x28) /* 32 or 24 bpp */
 253         {
 254                 SROUTB(0x50, cyberblade_grkey.ckey.blue); /* Colour Key */
 255                 SROUTB(0x51, cyberblade_grkey.ckey.green); /* Colour Key */
 256                 SROUTB(0x52, cyberblade_grkey.ckey.red); /* Colour Key */
 257                 SROUTB(0x54, 0xff); /* Colour Key Mask */
 258                 SROUTB(0x55, 0xff); /* Colour Key Mask */
 259                 SROUTB(0x56, 0xff); /* Colour Key Mask */
 260         }
 261         else
 262         {
 263                 int tmp=((cyberblade_grkey.ckey.blue & 0xF8)>>3)
 264                         | ((cyberblade_grkey.ckey.green & 0xfc)<<3)
 265                         | ((cyberblade_grkey.ckey.red & 0xf8)<<8);
 266                 SROUTB(0x50, tmp&0xff); /* Colour Key */
 267                 SROUTB(0x51, (tmp>>8)&0xff); /* Colour Key */
 268                 SROUTB(0x52, 0); /* Colour Key */
 269                 SROUTB(0x54, 0xff); /* Colour Key Mask */
 270                 SROUTB(0x55, 0xff); /* Colour Key Mask */
 271                 SROUTB(0x56, 0x00); /* Colour Key Mask */
 272         }
 273         SROUTB(0x11,protect);
 274         return 0;
 275 }
 276
 277
 278 static vidix_video_eq_t equal =
 279 {
 280         VEQ_CAP_BRIGHTNESS | VEQ_CAP_SATURATION | VEQ_CAP_HUE,
 281         300, 100, 0, 0, 0, 0, 0, 0
 282 };
 283
 284 static int cyberblade_get_eq( vidix_video_eq_t * eq)
 285 {
 286   memcpy(eq,&equal,sizeof(vidix_video_eq_t));
 287   return 0;
 288 }
 289
 290 static int cyberblade_set_eq( const vidix_video_eq_t * eq)
 291 {
 292         int br,sat,cr,protect;
 293         if(eq->cap & VEQ_CAP_BRIGHTNESS) equal.brightness = eq->brightness;
 294         if(eq->cap & VEQ_CAP_CONTRAST) equal.contrast   = eq->contrast;
 295         if(eq->cap & VEQ_CAP_SATURATION) equal.saturation = eq->saturation;
 296         if(eq->cap & VEQ_CAP_HUE)        equal.hue        = eq->hue;
 297         if(eq->cap & VEQ_CAP_RGB_INTENSITY)
 298         {
 299                 equal.red_intensity   = eq->red_intensity;
 300                 equal.green_intensity = eq->green_intensity;
 301                 equal.blue_intensity  = eq->blue_intensity;
 302         }
 303         equal.flags = eq->flags;
 304
 305         cr = (equal.contrast) * 31 / 2000; cr+=16;
 306         if (cr < 0) cr = 0; if(cr > 7) cr = 7;
 307         cr=cr<<4 | cr;
 308
 309         br = (equal.brightness+1000) * 63 / 2000;
 310         if (br < 0) br = 0; if(br > 63) br = 63;
 311         if(br>32) br-=32; else br+=32;
 312
 313         sat = (equal.saturation + 1000) * 16 / 2000;
 314         if (sat < 0) sat = 0; if(sat > 31) sat = 31;
 315
 316         protect=SRINB(0x11);
 317         SROUTB(0x11, 0x92);
 318
 319         SROUTB(0xBC,cr);
 320         SROUTW(0xB0,(br<<10)|4);
 321
 322         SROUTB(0x11, protect);
 323
 324         return 0;
 325 }
 326
 327
 328 static int YOffs,UOffs,VOffs;
 329
 330 static int cyberblade_config_playback(vidix_playback_t *info)
 331 {
 332         int src_w, drw_w;
 333         int src_h, drw_h;
 334         int hscale,vscale;
 335         long base0;
 336         int y_pitch = 0, uv_pitch = 0;
 337         int protect=0;
 338         int layout=0;
 339         unsigned int i;
 340
 341         if(!is_supported_fourcc(info->fourcc))
 342                 return -1;
 343
 344         src_w = info->src.w;
 345         src_h = info->src.h;
 346
 347         drw_w = info->dest.w;
 348         drw_h = info->dest.h;
 349
 350         switch(info->fourcc)
 351         {
 352                 case IMGFMT_YUY2:
 353                 case IMGFMT_BGR16:
 354                         y_pitch = (src_w*2 + 15) & ~15;
 355                         uv_pitch = 0;
 356                         YOffs=VOffs=UOffs=info->offset.y = info->offset.v = info->offset.u = 0;
 357                         info->frame_size = y_pitch*src_h;
 358                         layout=0x0; /* packed */
 359                         break;
 360                 case IMGFMT_YV12:
 361                 case IMGFMT_I420:
 362                         y_pitch = (src_w+15) & ~15;
 363                         uv_pitch = ((src_w/2)+7) & ~7;
 364                         YOffs=info->offset.y = 0;
 365                         VOffs=info->offset.v = y_pitch*src_h;
 366                         UOffs=info->offset.u = info->offset.v+(uv_pitch)*(src_h/2);
 367                         info->frame_size = y_pitch*src_h + 2*uv_pitch*(src_h/2);
 368                         layout=0x1; /* planar, 4:1:1 */
 369                         break;
 370                 case IMGFMT_YVU9:
 371                         y_pitch = (src_w+15) & ~15;
 372                         uv_pitch = ((src_w/4)+3) & ~3;
 373                         YOffs=info->offset.y = 0;
 374                         VOffs=info->offset.v = y_pitch*src_h;
 375                         UOffs=info->offset.u = info->offset.v+(uv_pitch)*(src_h/4);
 376                         info->frame_size = y_pitch*src_h + 2*uv_pitch*(src_h/4);
 377                         layout=0x51; /* planar, 16:1:1 */
 378                         break;
 379         }
 380
 381         /* Assume we have 2 MB to play with */
 382         info->num_frames = 0x200000 / info->frame_size;
 383         if(info->num_frames > VID_PLAY_MAXFRAMES)
 384                 info->num_frames = VID_PLAY_MAXFRAMES;
 385
 386         /* Start at 6 MB. Let's hope it's not in use. */
 387         base0 = 0x600000;
 388         info->dga_addr = cyberblade_mem + base0;
 389
 390         info->dest.pitch.y = 16;
 391         info->dest.pitch.u = 16;
 392         info->dest.pitch.v = 16;
 393
 394         for(i = 0; i < info->num_frames; i++)
 395         {
 396                 info->offsets[i] = info->frame_size * i;
 397                 frames[i] = base0+info->offsets[i];
 398         }
 399
 400         OUTPORT8(0x3d4,0x39);
 401         OUTPORT8(0x3d5,INPORT(0x3d5)|1);
 402
 403         SRINB(0x0b); /* Select new mode */
 404
 405         /* Unprotect hardware registers... */
 406         protect=SRINB(0x11);
 407         SROUTB(0x11, 0x92);
 408
 409         SROUTB(0x57, 0xc0); /* Playback key function */
 410         SROUTB(0x21, 0x34); /* Signature control */
 411         SROUTB(0x37, 0x30); /* Video key mode */
 412
 413         cyberblade_set_gkeys(&cyberblade_grkey);
 414
 415         /* compute_scale_factor(&src_w, &drw_w, &shrink, &zoom); */
 416         {
 417                 int HTotal,VTotal,HSync,VSync,Overflow,HDisp,VDisp;
 418                 int HWinStart,VWinStart;
 419                 int tx1,ty1,tx2,ty2;
 420
 421                 HTotal=CRINB(0x00);
 422                 HSync=CRINB(0x04);
 423                 VTotal=CRINB(0x06);
 424                 VSync=CRINB(0x10);
 425                 Overflow=CRINB(0x07);
 426                 HTotal <<=3;
 427                 HSync <<=3;
 428                 VTotal |= (Overflow & 1) <<8;
 429                 VTotal |= (Overflow & 0x20) <<4;
 430                 VTotal +=4;
 431                 VSync |= (Overflow & 4) <<6;
 432                 VSync |= (Overflow & 0x80) <<2;
 433
 434                 if(CRINB(0xd1)&0x80)
 435                 {
 436                         int TVHTotal,TVVTotal,TVHSyncStart,TVVSyncStart,TVOverflow;
 437                         LOGWRITE("[cyberblade] Using TV-CRTC\n");
 438
 439                         HDisp=(1+CRINB(0x01))*8;
 440                         VDisp=1+CRINB(0x12);
 441                         Overflow=CRINB(0x07);
 442                         VDisp |= (Overflow & 2) <<7;
 443                         VDisp |= (Overflow & 0x40) << 3;
 444
 445                         TVHTotal=CRINB(0xe0)*8;
 446                         TVVTotal=CRINB(0xe6);
 447                         TVOverflow=CRINB(0xe7);
 448                         if(TVOverflow&0x20) TVVTotal|=512;
 449                         if(TVOverflow&0x01) TVVTotal|=256;
 450                         TVHTotal+=40; TVVTotal+=2;
 451
 452                         TVHSyncStart=CRINB(0xe4)*8;
 453                         TVVSyncStart=CRINB(0xf0);
 454                         if(TVOverflow&0x80) TVVSyncStart|=512;
 455                         if(TVOverflow&0x04) TVVSyncStart|=256;
 456
 457                         HWinStart=(TVHTotal-HDisp)&15;
 458                         HWinStart|=(HTotal-HDisp)&15;
 459                         HWinStart+=(TVHTotal-TVHSyncStart)-49;
 460                 }
 461                 else
 462                 {
 463                         LOGWRITE("[cyberblade] Using Standard CRTC\n");
 464                         HWinStart=(HTotal-HSync)+15;
 465                 }
 466                 VWinStart=(VTotal-VSync)-8;
 467
 468                 printf("[cyberblade] HTotal: 0x%x, HSStart: 0x%x\n",HTotal,HSync);
 469                 printf("  VTotal: 0x%x, VStart: 0x%x\n",VTotal,VSync);
 470                 tx1=HWinStart+info->dest.x;
 471                 ty1=VWinStart+info->dest.y;
 472                 tx2=tx1+info->dest.w;
 473                 ty2=ty1+info->dest.h;
 474
 475                 CROUTW(0x86,tx1);
 476                 CROUTW(0x88,ty1);
 477                 CROUTW(0x8a,tx2);
 478                 CROUTW(0x8c,ty2+3);
 479         }
 480
 481         if(src_w==drw_w)
 482                 hscale=0;
 483         else if(src_w<drw_w)
 484         {
 485                 hscale=((src_w<<10)/(drw_w-2)) & 0x1fff;
 486         }
 487         else
 488         {
 489                 hscale=0x8000 | ((((src_w/drw_w)-1)&7)<<10) | (((drw_w<<10)/src_w) & 0x3ff);
 490         }
 491
 492         vscale=(src_h<<10)/(drw_h);
 493         if(drw_h<src_h)
 494                 vscale=0x8000|((drw_h<<10)/(src_h));
 495
 496         /* Write scale factors to hardware */
 497
 498         CROUTW(0x80,hscale); /* Horizontal Scale */
 499         CROUTW(0x82,vscale); /* Vertical Scale */
 500
 501         /* Now set the start address and data layout */
 502         {
 503                 int lb = (y_pitch+2) >> 2;
 504                 CROUTB(0x95, ((lb & 0x100)>>1) | 0x08 ); /* Linebuffer level bit 8 & threshold */
 505                 CROUTB(0x96, (lb & 0xFF)); /* Linebuffer level */
 506
 507                 CROUTB(0x97, 0x00); /* VDE Flags */
 508                 CROUTB(0xBA, 0x00); /* Chroma key */
 509                 CROUTB(0xBB, 0x00); /* Chroma key */
 510                 CROUTB(0xBC, 0xFF); /* Chroma key */
 511                 CROUTB(0xBD, 0xFF); /* Chroma key */
 512                 CROUTB(0xBE, 0x04); /* Capture control */
 513
 514                 if(src_w > 384)
 515                         layout|=4; /* 2x line buffers */
 516                 SROUTB(0x97, layout);
 517
 518                 CROUTW(0x90,y_pitch); /* Y Bytes per row */
 519                 SROUTW(0x9A,uv_pitch); /* UV Bytes per row */
 520
 521                 switch(info->fourcc)
 522                 {
 523                         case IMGFMT_BGR16:
 524                                 CROUTB(0x8F, 0x24); /* VDE Flags - Edge Recovery & CSC Bypass */
 525                                 CROUTB(0xBF, 0x02); /* Video format - RGB16 */
 526                                 SROUTB(0xBE, 0x0); /* HSCB disabled */
 527                                 break;
 528                         default:
 529                                 CROUTB(0x8F, 0x20); /* VDE Flags - Edge Recovery */
 530                                 CROUTB(0xBF, 0x00); /* Video format - YUV */
 531                                 SROUTB(0xBE, 0x00); /* HSCB disable - was 0x03*/
 532                                 break;
 533                 }
 534
 535                 CROUTB(0x92, ((base0+info->offset.y) >> 3) &0xff); /* Lower 8 bits of start address */
 536                 CROUTB(0x93, ((base0+info->offset.y) >> 11) &0xff); /* Mid 8 bits of start address */
 537                 CROUTB(0x94, ((base0+info->offset.y) >> 19) &0xf); /* Upper 4 bits of start address */
 538                 SROUTB(0x80, ((base0+info->offset.v) >> 3) &0xff); /* Lower 8 bits of start address */
 539                 SROUTB(0x81, ((base0+info->offset.v) >> 11) &0xff); /* Mid 8 bits of start address */
 540                 SROUTB(0x82, ((base0+info->offset.v) >> 19) &0xf); /* Upper 4 bits of start address */
 541                 SROUTB(0x83, ((base0+info->offset.u) >> 3) &0xff); /* Lower 8 bits of start address */
 542                 SROUTB(0x84, ((base0+info->offset.u) >> 11) &0xff); /* Mid 8 bits of start address */
 543                 SROUTB(0x85, ((base0+info->offset.u) >> 19) &0xf); /* Upper 4 bits of start address */
 544         }
 545
 546         cyberblade_set_eq(&equal);
 547
 548         /* Protect hardware registers again */
 549         SROUTB(0x11, protect);
 550         return 0;
 551 }
 552
 553
 554 static int cyberblade_playback_on(void)
 555 {
 556         LOGWRITE("Enable overlay\n");
 557         CROUTB(0x8E, 0xd4); /* VDE Flags*/
 558
 559         return 0;
 560 }
 561
 562
 563 static int cyberblade_playback_off(void)
 564 {
 565         LOGWRITE("Disable overlay\n");
 566         CROUTB(0x8E, 0xc4); /* VDE Flags*/
 567
 568         return 0;
 569 }
 570
 571
 572 static int cyberblade_frame_sel(unsigned int frame)
 573 {
 574         int protect;
 575         LOGWRITE("Frame select\n");
 576         protect=SRINB(0x11);
 577         SROUTB(0x11, 0x92);
 578         /* Set overlay address to that of selected frame */
 579         CROUTB(0x92, ((frames[frame]+YOffs) >> 3) &0xff); /* Lower 8 bits of start address */
 580         CROUTB(0x93, ((frames[frame]+YOffs) >> 11) &0xff); /* Mid 8 bits of start address */
 581         CROUTB(0x94, ((frames[frame]+YOffs) >> 19) &0xf); /* Upper 4 bits of start address */
 582         SROUTB(0x80, ((frames[frame]+VOffs) >> 3) &0xff); /* Lower 8 bits of start address */
 583         SROUTB(0x81, ((frames[frame]+VOffs) >> 11) &0xff); /* Mid 8 bits of start address */
 584         SROUTB(0x82, ((frames[frame]+VOffs) >> 19) &0xf); /* Upper 4 bits of start address */
 585         SROUTB(0x83, ((frames[frame]+UOffs) >> 3) &0xff); /* Lower 8 bits of start address */
 586         SROUTB(0x84, ((frames[frame]+UOffs) >> 11) &0xff); /* Mid 8 bits of start address */
 587         SROUTB(0x85, ((frames[frame]+UOffs) >> 19) &0xf); /* Upper 4 bits of start address */
 588         SROUTB(0x11, protect);
 589         return 0;
 590 }
 591
 592 VDXDriver cyberblade_drv = {
 593   "cyberblade",
 594   NULL,
 595   .probe = cyberblade_probe,
 596   .get_caps = cyberblade_get_caps,
 597   .query_fourcc = cyberblade_query_fourcc,
 598   .init = cyberblade_init,
 599   .destroy = cyberblade_destroy,
 600   .config_playback = cyberblade_config_playback,
 601   .playback_on = cyberblade_playback_on,
 602   .playback_off = cyberblade_playback_off,
 603   .frame_sel = cyberblade_frame_sel,
 604   .get_eq = cyberblade_get_eq,
 605   .set_eq = cyberblade_set_eq,
 606   .get_gkey = cyberblade_get_gkeys,
 607   .set_gkey = cyberblade_set_gkeys,
 608 };