git.oblomov.eu Git - linux-2.6/blob - sound/pci/au88x0/au88x0_a3d.c

   1 /***************************************************************************
   2  *            au88x0_a3d.c
   3  *
   4  *  Fri Jul 18 14:16:22 2003
   5  *  Copyright  2003  mjander
   6  *  mjander@users.sourceforge.net
   7  *
   8  * A3D. You may think i'm crazy, but this may work someday. Who knows...
   9  ****************************************************************************/
  10
  11 /*
  12  *  This program is free software; you can redistribute it and/or modify
  13  *  it under the terms of the GNU General Public License as published by
  14  *  the Free Software Foundation; either version 2 of the License, or
  15  *  (at your option) any later version.
  16  *
  17  *  This program is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *  GNU Library General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU General Public License
  23  *  along with this program; if not, write to the Free Software
  24  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25  */
  26
  27 #include "au88x0_a3d.h"
  28 #include "au88x0_a3ddata.c"
  29 #include "au88x0_xtalk.h"
  30 #include "au88x0.h"
  31
  32 static void
  33 a3dsrc_SetTimeConsts(a3dsrc_t * a, short HrtfTrack, short ItdTrack,
  34                      short GTrack, short CTrack)
  35 {
  36         vortex_t *vortex = (vortex_t *) (a->vortex);
  37         hwwrite(vortex->mmio,
  38                 a3d_addrA(a->slice, a->source, A3D_A_HrtfTrackTC), HrtfTrack);
  39         hwwrite(vortex->mmio,
  40                 a3d_addrA(a->slice, a->source, A3D_A_ITDTrackTC), ItdTrack);
  41         hwwrite(vortex->mmio,
  42                 a3d_addrA(a->slice, a->source, A3D_A_GainTrackTC), GTrack);
  43         hwwrite(vortex->mmio,
  44                 a3d_addrA(a->slice, a->source, A3D_A_CoeffTrackTC), CTrack);
  45 }
  46
  47 #if 0
  48 static void
  49 a3dsrc_GetTimeConsts(a3dsrc_t * a, short *HrtfTrack, short *ItdTrack,
  50                      short *GTrack, short *CTrack)
  51 {
  52         // stub!
  53 }
  54
  55 #endif
  56 /* Atmospheric absorbtion. */
  57
  58 static void
  59 a3dsrc_SetAtmosTarget(a3dsrc_t * a, short aa, short b, short c, short d,
  60                       short e)
  61 {
  62         vortex_t *vortex = (vortex_t *) (a->vortex);
  63         hwwrite(vortex->mmio,
  64                 a3d_addrB(a->slice, a->source, A3D_B_A21Target),
  65                 (e << 0x10) | d);
  66         hwwrite(vortex->mmio,
  67                 a3d_addrB(a->slice, a->source, A3D_B_B10Target),
  68                 (b << 0x10) | aa);
  69         hwwrite(vortex->mmio,
  70                 a3d_addrB(a->slice, a->source, A3D_B_B2Target), c);
  71 }
  72
  73 static void
  74 a3dsrc_SetAtmosCurrent(a3dsrc_t * a, short aa, short b, short c, short d,
  75                        short e)
  76 {
  77         vortex_t *vortex = (vortex_t *) (a->vortex);
  78         hwwrite(vortex->mmio,
  79                 a3d_addrB(a->slice, a->source, A3D_B_A12Current),
  80                 (e << 0x10) | d);
  81         hwwrite(vortex->mmio,
  82                 a3d_addrB(a->slice, a->source, A3D_B_B01Current),
  83                 (b << 0x10) | aa);
  84         hwwrite(vortex->mmio,
  85                 a3d_addrB(a->slice, a->source, A3D_B_B2Current), c);
  86 }
  87
  88 static void
  89 a3dsrc_SetAtmosState(a3dsrc_t * a, short x1, short x2, short y1, short y2)
  90 {
  91         vortex_t *vortex = (vortex_t *) (a->vortex);
  92         hwwrite(vortex->mmio, a3d_addrA(a->slice, a->source, A3D_A_x1), x1);
  93         hwwrite(vortex->mmio, a3d_addrA(a->slice, a->source, A3D_A_x2), x2);
  94         hwwrite(vortex->mmio, a3d_addrA(a->slice, a->source, A3D_A_y1), y1);
  95         hwwrite(vortex->mmio, a3d_addrA(a->slice, a->source, A3D_A_y2), y2);
  96 }
  97
  98 #if 0
  99 static void
 100 a3dsrc_GetAtmosTarget(a3dsrc_t * a, short *aa, short *b, short *c,
 101                       short *d, short *e)
 102 {
 103 }
 104 static void
 105 a3dsrc_GetAtmosCurrent(a3dsrc_t * a, short *bb01, short *ab01, short *b2,
 106                        short *aa12, short *ba12)
 107 {
 108         vortex_t *vortex = (vortex_t *) (a->vortex);
 109         *aa12 =
 110             hwread(vortex->mmio,
 111                    a3d_addrA(a->slice, a->source, A3D_A_A12Current));
 112         *ba12 =
 113             hwread(vortex->mmio,
 114                    a3d_addrB(a->slice, a->source, A3D_B_A12Current));
 115         *ab01 =
 116             hwread(vortex->mmio,
 117                    a3d_addrA(a->slice, a->source, A3D_A_B01Current));
 118         *bb01 =
 119             hwread(vortex->mmio,
 120                    a3d_addrB(a->slice, a->source, A3D_B_B01Current));
 121         *b2 =
 122             hwread(vortex->mmio,
 123                    a3d_addrA(a->slice, a->source, A3D_A_B2Current));
 124 }
 125
 126 static void
 127 a3dsrc_GetAtmosState(a3dsrc_t * a, short *x1, short *x2, short *y1, short *y2)
 128 {
 129
 130 }
 131
 132 #endif
 133 /* HRTF */
 134
 135 static void
 136 a3dsrc_SetHrtfTarget(a3dsrc_t * a, a3d_Hrtf_t const aa, a3d_Hrtf_t const b)
 137 {
 138         vortex_t *vortex = (vortex_t *) (a->vortex);
 139         int i;
 140
 141         for (i = 0; i < HRTF_SZ; i++)
 142                 hwwrite(vortex->mmio,
 143                         a3d_addrB(a->slice, a->source,
 144                                   A3D_B_HrtfTarget) + (i << 2),
 145                         (b[i] << 0x10) | aa[i]);
 146 }
 147
 148 static void
 149 a3dsrc_SetHrtfCurrent(a3dsrc_t * a, a3d_Hrtf_t const aa, a3d_Hrtf_t const b)
 150 {
 151         vortex_t *vortex = (vortex_t *) (a->vortex);
 152         int i;
 153
 154         for (i = 0; i < HRTF_SZ; i++)
 155                 hwwrite(vortex->mmio,
 156                         a3d_addrB(a->slice, a->source,
 157                                   A3D_B_HrtfCurrent) + (i << 2),
 158                         (b[i] << 0x10) | aa[i]);
 159 }
 160
 161 static void
 162 a3dsrc_SetHrtfState(a3dsrc_t * a, a3d_Hrtf_t const aa, a3d_Hrtf_t const b)
 163 {
 164         vortex_t *vortex = (vortex_t *) (a->vortex);
 165         int i;
 166
 167         for (i = 0; i < HRTF_SZ; i++)
 168                 hwwrite(vortex->mmio,
 169                         a3d_addrB(a->slice, a->source,
 170                                   A3D_B_HrtfDelayLine) + (i << 2),
 171                         (b[i] << 0x10) | aa[i]);
 172 }
 173
 174 static void a3dsrc_SetHrtfOutput(a3dsrc_t * a, short left, short right)
 175 {
 176         vortex_t *vortex = (vortex_t *) (a->vortex);
 177         hwwrite(vortex->mmio,
 178                 a3d_addrA(a->slice, a->source, A3D_A_HrtfOutL), left);
 179         hwwrite(vortex->mmio,
 180                 a3d_addrA(a->slice, a->source, A3D_A_HrtfOutR), right);
 181 }
 182
 183 #if 0
 184 static void a3dsrc_GetHrtfTarget(a3dsrc_t * a, a3d_Hrtf_t aa, a3d_Hrtf_t b)
 185 {
 186         vortex_t *vortex = (vortex_t *) (a->vortex);
 187         int i;
 188
 189         for (i = 0; i < HRTF_SZ; i++)
 190                 aa[i] =
 191                     hwread(vortex->mmio,
 192                            a3d_addrA(a->slice, a->source,
 193                                      A3D_A_HrtfTarget + (i << 2)));
 194         for (i = 0; i < HRTF_SZ; i++)
 195                 b[i] =
 196                     hwread(vortex->mmio,
 197                            a3d_addrB(a->slice, a->source,
 198                                      A3D_B_HrtfTarget + (i << 2)));
 199 }
 200
 201 static void a3dsrc_GetHrtfCurrent(a3dsrc_t * a, a3d_Hrtf_t aa, a3d_Hrtf_t b)
 202 {
 203         vortex_t *vortex = (vortex_t *) (a->vortex);
 204         int i;
 205
 206         for (i = 0; i < HRTF_SZ; i++)
 207                 aa[i] =
 208                     hwread(vortex->mmio,
 209                            a3d_addrA(a->slice, a->source,
 210                                      A3D_A_HrtfCurrent + (i << 2)));
 211         for (i = 0; i < HRTF_SZ; i++)
 212                 b[i] =
 213                     hwread(vortex->mmio,
 214                            a3d_addrB(a->slice, a->source,
 215                                      A3D_B_HrtfCurrent + (i << 2)));
 216 }
 217
 218 static void a3dsrc_GetHrtfState(a3dsrc_t * a, a3d_Hrtf_t aa, a3d_Hrtf_t b)
 219 {
 220         vortex_t *vortex = (vortex_t *) (a->vortex);
 221         int i;
 222         // FIXME: verify this!
 223         for (i = 0; i < HRTF_SZ; i++)
 224                 aa[i] =
 225                     hwread(vortex->mmio,
 226                            a3d_addrA(a->slice, a->source,
 227                                      A3D_A_HrtfDelayLine + (i << 2)));
 228         for (i = 0; i < HRTF_SZ; i++)
 229                 b[i] =
 230                     hwread(vortex->mmio,
 231                            a3d_addrB(a->slice, a->source,
 232                                      A3D_B_HrtfDelayLine + (i << 2)));
 233 }
 234
 235 static void a3dsrc_GetHrtfOutput(a3dsrc_t * a, short *left, short *right)
 236 {
 237         vortex_t *vortex = (vortex_t *) (a->vortex);
 238         *left =
 239             hwread(vortex->mmio,
 240                    a3d_addrA(a->slice, a->source, A3D_A_HrtfOutL));
 241         *right =
 242             hwread(vortex->mmio,
 243                    a3d_addrA(a->slice, a->source, A3D_A_HrtfOutR));
 244 }
 245
 246 #endif
 247
 248 /* Interaural Time Difference.
 249  * "The other main clue that humans use to locate sounds, is called
 250  * Interaural Time Difference (ITD). The differences in distance from
 251  * the sound source to a listeners ears means  that the sound will
 252  * reach one ear slightly before the other....", found somewhere with google.*/
 253 static void a3dsrc_SetItdTarget(a3dsrc_t * a, short litd, short ritd)
 254 {
 255         vortex_t *vortex = (vortex_t *) (a->vortex);
 256
 257         if (litd < 0)
 258                 litd = 0;
 259         if (litd > 0x57FF)
 260                 litd = 0x57FF;
 261         if (ritd < 0)
 262                 ritd = 0;
 263         if (ritd > 0x57FF)
 264                 ritd = 0x57FF;
 265         hwwrite(vortex->mmio,
 266                 a3d_addrB(a->slice, a->source, A3D_B_ITDTarget),
 267                 (ritd << 0x10) | litd);
 268         //hwwrite(vortex->mmio, addr(0x191DF+5, this04, this08), (ritd<<0x10)|litd);
 269 }
 270
 271 static void a3dsrc_SetItdCurrent(a3dsrc_t * a, short litd, short ritd)
 272 {
 273         vortex_t *vortex = (vortex_t *) (a->vortex);
 274
 275         if (litd < 0)
 276                 litd = 0;
 277         if (litd > 0x57FF)
 278                 litd = 0x57FF;
 279         if (ritd < 0)
 280                 ritd = 0;
 281         if (ritd > 0x57FF)
 282                 ritd = 0x57FF;
 283         hwwrite(vortex->mmio,
 284                 a3d_addrB(a->slice, a->source, A3D_B_ITDCurrent),
 285                 (ritd << 0x10) | litd);
 286         //hwwrite(vortex->mmio, addr(0x191DF+1, this04, this08), (ritd<<0x10)|litd);
 287 }
 288
 289 static void a3dsrc_SetItdDline(a3dsrc_t * a, a3d_ItdDline_t const dline)
 290 {
 291         vortex_t *vortex = (vortex_t *) (a->vortex);
 292         int i;
 293         /* 45 != 40 -> Check this ! */
 294         for (i = 0; i < DLINE_SZ; i++)
 295                 hwwrite(vortex->mmio,
 296                         a3d_addrA(a->slice, a->source,
 297                                   A3D_A_ITDDelayLine) + (i << 2), dline[i]);
 298 }
 299
 300 #if 0
 301 static void a3dsrc_GetItdTarget(a3dsrc_t * a, short *litd, short *ritd)
 302 {
 303         vortex_t *vortex = (vortex_t *) (a->vortex);
 304         *ritd =
 305             hwread(vortex->mmio,
 306                    a3d_addrA(a->slice, a->source, A3D_A_ITDTarget));
 307         *litd =
 308             hwread(vortex->mmio,
 309                    a3d_addrB(a->slice, a->source, A3D_B_ITDTarget));
 310 }
 311
 312 static void a3dsrc_GetItdCurrent(a3dsrc_t * a, short *litd, short *ritd)
 313 {
 314         vortex_t *vortex = (vortex_t *) (a->vortex);
 315
 316         *ritd =
 317             hwread(vortex->mmio,
 318                    a3d_addrA(a->slice, a->source, A3D_A_ITDCurrent));
 319         *litd =
 320             hwread(vortex->mmio,
 321                    a3d_addrB(a->slice, a->source, A3D_B_ITDCurrent));
 322 }
 323
 324 static void a3dsrc_GetItdDline(a3dsrc_t * a, a3d_ItdDline_t dline)
 325 {
 326         vortex_t *vortex = (vortex_t *) (a->vortex);
 327         int i;
 328
 329         for (i = 0; i < DLINE_SZ; i++)
 330                 dline[i] =
 331                     hwread(vortex->mmio,
 332                            a3d_addrA(a->slice, a->source,
 333                                      A3D_A_ITDDelayLine + (i << 2)));
 334 }
 335
 336 #endif
 337 /* This is may be used for ILD Interaural Level Difference. */
 338
 339 static void a3dsrc_SetGainTarget(a3dsrc_t * a, short left, short right)
 340 {
 341         vortex_t *vortex = (vortex_t *) (a->vortex);
 342         hwwrite(vortex->mmio,
 343                 a3d_addrB(a->slice, a->source, A3D_B_GainTarget),
 344                 (right << 0x10) | left);
 345 }
 346
 347 static void a3dsrc_SetGainCurrent(a3dsrc_t * a, short left, short right)
 348 {
 349         vortex_t *vortex = (vortex_t *) (a->vortex);
 350         hwwrite(vortex->mmio,
 351                 a3d_addrB(a->slice, a->source, A3D_B_GainCurrent),
 352                 (right << 0x10) | left);
 353 }
 354
 355 #if 0
 356 static void a3dsrc_GetGainTarget(a3dsrc_t * a, short *left, short *right)
 357 {
 358         vortex_t *vortex = (vortex_t *) (a->vortex);
 359         *right =
 360             hwread(vortex->mmio,
 361                    a3d_addrA(a->slice, a->source, A3D_A_GainTarget));
 362         *left =
 363             hwread(vortex->mmio,
 364                    a3d_addrB(a->slice, a->source, A3D_B_GainTarget));
 365 }
 366
 367 static void a3dsrc_GetGainCurrent(a3dsrc_t * a, short *left, short *right)
 368 {
 369         vortex_t *vortex = (vortex_t *) (a->vortex);
 370         *right =
 371             hwread(vortex->mmio,
 372                    a3d_addrA(a->slice, a->source, A3D_A_GainCurrent));
 373         *left =
 374             hwread(vortex->mmio,
 375                    a3d_addrB(a->slice, a->source, A3D_B_GainCurrent));
 376 }
 377
 378 /* CA3dIO this func seems to be inlined all over this place. */
 379 static void CA3dIO_WriteReg(a3dsrc_t * a, unsigned long addr, short aa, short b)
 380 {
 381         vortex_t *vortex = (vortex_t *) (a->vortex);
 382         hwwrite(vortex->mmio, addr, (aa << 0x10) | b);
 383 }
 384
 385 #endif
 386 /* Generic A3D stuff */
 387
 388 static void a3dsrc_SetA3DSampleRate(a3dsrc_t * a, int sr)
 389 {
 390         vortex_t *vortex = (vortex_t *) (a->vortex);
 391         int esp0 = 0;
 392
 393         esp0 = (((esp0 & 0x7fffffff) | 0xB8000000) & 0x7) | ((sr & 0x1f) << 3);
 394         hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd), esp0);
 395         //hwwrite(vortex->mmio, 0x19C38 + (this08<<0xd), esp0);
 396 }
 397
 398 static void a3dsrc_EnableA3D(a3dsrc_t * a)
 399 {
 400         vortex_t *vortex = (vortex_t *) (a->vortex);
 401         hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd),
 402                 0xF0000001);
 403         //hwwrite(vortex->mmio, 0x19C38 + (this08<<0xd), 0xF0000001);
 404 }
 405
 406 static void a3dsrc_DisableA3D(a3dsrc_t * a)
 407 {
 408         vortex_t *vortex = (vortex_t *) (a->vortex);
 409         hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd),
 410                 0xF0000000);
 411 }
 412
 413 static void a3dsrc_SetA3DControlReg(a3dsrc_t * a, unsigned long ctrl)
 414 {
 415         vortex_t *vortex = (vortex_t *) (a->vortex);
 416         hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd), ctrl);
 417 }
 418
 419 static void a3dsrc_SetA3DPointerReg(a3dsrc_t * a, unsigned long ptr)
 420 {
 421         vortex_t *vortex = (vortex_t *) (a->vortex);
 422         hwwrite(vortex->mmio, A3D_SLICE_Pointers + ((a->slice) << 0xd), ptr);
 423 }
 424
 425 #if 0
 426 static void a3dsrc_GetA3DSampleRate(a3dsrc_t * a, int *sr)
 427 {
 428         vortex_t *vortex = (vortex_t *) (a->vortex);
 429         *sr = ((hwread(vortex->mmio, A3D_SLICE_Control + (a->slice << 0xd))
 430                 >> 3) & 0x1f);
 431         //*sr = ((hwread(vortex->mmio, 0x19C38 + (this08<<0xd))>>3)&0x1f);
 432 }
 433
 434 static void a3dsrc_GetA3DControlReg(a3dsrc_t * a, unsigned long *ctrl)
 435 {
 436         vortex_t *vortex = (vortex_t *) (a->vortex);
 437         *ctrl = hwread(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd));
 438 }
 439
 440 static void a3dsrc_GetA3DPointerReg(a3dsrc_t * a, unsigned long *ptr)
 441 {
 442         vortex_t *vortex = (vortex_t *) (a->vortex);
 443         *ptr = hwread(vortex->mmio, A3D_SLICE_Pointers + ((a->slice) << 0xd));
 444 }
 445
 446 #endif
 447 static void a3dsrc_ZeroSliceIO(a3dsrc_t * a)
 448 {
 449         vortex_t *vortex = (vortex_t *) (a->vortex);
 450         int i;
 451
 452         for (i = 0; i < 8; i++)
 453                 hwwrite(vortex->mmio,
 454                         A3D_SLICE_VDBDest +
 455                         ((((a->slice) << 0xb) + i) << 2), 0);
 456         for (i = 0; i < 4; i++)
 457                 hwwrite(vortex->mmio,
 458                         A3D_SLICE_VDBSource +
 459                         ((((a->slice) << 0xb) + i) << 2), 0);
 460 }
 461
 462 /* Reset Single A3D source. */
 463 static void a3dsrc_ZeroState(a3dsrc_t * a)
 464 {
 465
 466         //printk("vortex: ZeroState slice: %d, source %d\n", a->slice, a->source);
 467
 468         a3dsrc_SetAtmosState(a, 0, 0, 0, 0);
 469         a3dsrc_SetHrtfState(a, A3dHrirZeros, A3dHrirZeros);
 470         a3dsrc_SetItdDline(a, A3dItdDlineZeros);
 471         a3dsrc_SetHrtfOutput(a, 0, 0);
 472         a3dsrc_SetTimeConsts(a, 0, 0, 0, 0);
 473
 474         a3dsrc_SetAtmosCurrent(a, 0, 0, 0, 0, 0);
 475         a3dsrc_SetAtmosTarget(a, 0, 0, 0, 0, 0);
 476         a3dsrc_SetItdCurrent(a, 0, 0);
 477         a3dsrc_SetItdTarget(a, 0, 0);
 478         a3dsrc_SetGainCurrent(a, 0, 0);
 479         a3dsrc_SetGainTarget(a, 0, 0);
 480
 481         a3dsrc_SetHrtfCurrent(a, A3dHrirZeros, A3dHrirZeros);
 482         a3dsrc_SetHrtfTarget(a, A3dHrirZeros, A3dHrirZeros);
 483 }
 484
 485 /* Reset entire A3D engine */
 486 static void a3dsrc_ZeroStateA3D(a3dsrc_t * a)
 487 {
 488         int i, var, var2;
 489
 490         if ((a->vortex) == NULL) {
 491                 printk(KERN_ERR "vortex: ZeroStateA3D: ERROR: a->vortex is NULL\n");
 492                 return;
 493         }
 494
 495         a3dsrc_SetA3DControlReg(a, 0);
 496         a3dsrc_SetA3DPointerReg(a, 0);
 497
 498         var = a->slice;
 499         var2 = a->source;
 500         for (i = 0; i < 4; i++) {
 501                 a->slice = i;
 502                 a3dsrc_ZeroSliceIO(a);
 503                 //a3dsrc_ZeroState(a);
 504         }
 505         a->source = var2;
 506         a->slice = var;
 507 }
 508
 509 /* Program A3D block as pass through */
 510 static void a3dsrc_ProgramPipe(a3dsrc_t * a)
 511 {
 512         a3dsrc_SetTimeConsts(a, 0, 0, 0, 0);
 513         a3dsrc_SetAtmosCurrent(a, 0, 0x4000, 0, 0, 0);
 514         a3dsrc_SetAtmosTarget(a, 0x4000, 0, 0, 0, 0);
 515         a3dsrc_SetItdCurrent(a, 0, 0);
 516         a3dsrc_SetItdTarget(a, 0, 0);
 517         a3dsrc_SetGainCurrent(a, 0x7fff, 0x7fff);
 518         a3dsrc_SetGainTarget(a, 0x7fff, 0x7fff);
 519
 520         /* SET HRTF HERE */
 521
 522         /* Single spike leads to identity transfer function. */
 523         a3dsrc_SetHrtfCurrent(a, A3dHrirImpulse, A3dHrirImpulse);
 524         a3dsrc_SetHrtfTarget(a, A3dHrirImpulse, A3dHrirImpulse);
 525
 526         /* Test: Sounds saturated. */
 527         //a3dsrc_SetHrtfCurrent(a, A3dHrirSatTest, A3dHrirSatTest);
 528         //a3dsrc_SetHrtfTarget(a, A3dHrirSatTest, A3dHrirSatTest);
 529 }
 530
 531 /* VDB = Vortex audio Dataflow Bus */
 532 #if 0
 533 static void a3dsrc_ClearVDBData(a3dsrc_t * a, unsigned long aa)
 534 {
 535         vortex_t *vortex = (vortex_t *) (a->vortex);
 536
 537         // ((aa >> 2) << 8) - (aa >> 2)
 538         hwwrite(vortex->mmio,
 539                 a3d_addrS(a->slice, A3D_SLICE_VDBDest) + (a->source << 2), 0);
 540         hwwrite(vortex->mmio,
 541                 a3d_addrS(a->slice,
 542                           A3D_SLICE_VDBDest + 4) + (a->source << 2), 0);
 543         /*
 544            hwwrite(vortex->mmio, 0x19c00 + (((aa>>2)*255*4)+aa)*8, 0);
 545            hwwrite(vortex->mmio, 0x19c04 + (((aa>>2)*255*4)+aa)*8, 0);
 546          */
 547 }
 548 #endif
 549
 550 /* A3D HwSource stuff. */
 551
 552 static void vortex_A3dSourceHw_Initialize(vortex_t * v, int source, int slice)
 553 {
 554         a3dsrc_t *a3dsrc = &(v->a3d[source + (slice * 4)]);
 555         //a3dsrc_t *a3dsrc = &(v->a3d[source + (slice*4)]);
 556
 557         a3dsrc->vortex = (void *)v;
 558         a3dsrc->source = source;        /* source */
 559         a3dsrc->slice = slice;  /* slice */
 560         a3dsrc_ZeroState(a3dsrc);
 561         /* Added by me. */
 562         a3dsrc_SetA3DSampleRate(a3dsrc, 0x11);
 563 }
 564
 565 static int Vort3DRend_Initialize(vortex_t * v, unsigned short mode)
 566 {
 567         v->xt_mode = mode;      /* this_14 */
 568
 569         vortex_XtalkHw_init(v);
 570         vortex_XtalkHw_SetGainsAllChan(v);
 571         switch (v->xt_mode) {
 572         case XT_SPEAKER0:
 573                 vortex_XtalkHw_ProgramXtalkNarrow(v);
 574                 break;
 575         case XT_SPEAKER1:
 576                 vortex_XtalkHw_ProgramXtalkWide(v);
 577                 break;
 578         default:
 579         case XT_HEADPHONE:
 580                 vortex_XtalkHw_ProgramPipe(v);
 581                 break;
 582         case XT_DIAMOND:
 583                 vortex_XtalkHw_ProgramDiamondXtalk(v);
 584                 break;
 585         }
 586         vortex_XtalkHw_SetSampleRate(v, 0x11);
 587         vortex_XtalkHw_Enable(v);
 588         return 0;
 589 }
 590
 591 /* 3D Sound entry points. */
 592
 593 static int vortex_a3d_register_controls(vortex_t * vortex);
 594 static void vortex_a3d_unregister_controls(vortex_t * vortex);
 595 /* A3D base support init/shudown */
 596 static void __devinit vortex_Vort3D_enable(vortex_t * v)
 597 {
 598         int i;
 599
 600         Vort3DRend_Initialize(v, XT_HEADPHONE);
 601         for (i = 0; i < NR_A3D; i++) {
 602                 vortex_A3dSourceHw_Initialize(v, i % 4, i >> 2);
 603                 a3dsrc_ZeroStateA3D(&(v->a3d[0]));
 604         }
 605         /* Register ALSA controls */
 606         vortex_a3d_register_controls(v);
 607 }
 608
 609 static void vortex_Vort3D_disable(vortex_t * v)
 610 {
 611         vortex_XtalkHw_Disable(v);
 612         vortex_a3d_unregister_controls(v);
 613 }
 614
 615 /* Make A3D subsystem connections. */
 616 static void vortex_Vort3D_connect(vortex_t * v, int en)
 617 {
 618         int i;
 619
 620 // Disable AU8810 routes, since they seem to be wrong (in au8810.h).
 621 #ifdef CHIP_AU8810
 622         return;
 623 #endif
 624
 625 #if 1
 626         /* Alloc Xtalk mixin resources */
 627         v->mixxtlk[0] =
 628             vortex_adb_checkinout(v, v->fixed_res, en, VORTEX_RESOURCE_MIXIN);
 629         if (v->mixxtlk[0] < 0) {
 630                 printk
 631                     ("vortex: vortex_Vort3D: ERROR: not enough free mixer resources.\n");
 632                 return;
 633         }
 634         v->mixxtlk[1] =
 635             vortex_adb_checkinout(v, v->fixed_res, en, VORTEX_RESOURCE_MIXIN);
 636         if (v->mixxtlk[1] < 0) {
 637                 printk
 638                     ("vortex: vortex_Vort3D: ERROR: not enough free mixer resources.\n");
 639                 return;
 640         }
 641 #endif
 642
 643         /* Connect A3D -> XTALK */
 644         for (i = 0; i < 4; i++) {
 645                 // 2 outputs per each A3D slice.
 646                 vortex_route(v, en, 0x11, ADB_A3DOUT(i * 2), ADB_XTALKIN(i));
 647                 vortex_route(v, en, 0x11, ADB_A3DOUT(i * 2) + 1, ADB_XTALKIN(5 + i));
 648         }
 649 #if 0
 650         vortex_route(v, en, 0x11, ADB_XTALKOUT(0), ADB_EQIN(2));
 651         vortex_route(v, en, 0x11, ADB_XTALKOUT(1), ADB_EQIN(3));
 652 #else
 653         /* Connect XTalk -> mixer */
 654         vortex_route(v, en, 0x11, ADB_XTALKOUT(0), ADB_MIXIN(v->mixxtlk[0]));
 655         vortex_route(v, en, 0x11, ADB_XTALKOUT(1), ADB_MIXIN(v->mixxtlk[1]));
 656         vortex_connection_mixin_mix(v, en, v->mixxtlk[0], v->mixplayb[0], 0);
 657         vortex_connection_mixin_mix(v, en, v->mixxtlk[1], v->mixplayb[1], 0);
 658         vortex_mix_setinputvolumebyte(v, v->mixplayb[0], v->mixxtlk[0],
 659                                       en ? MIX_DEFIGAIN : VOL_MIN);
 660         vortex_mix_setinputvolumebyte(v, v->mixplayb[1], v->mixxtlk[1],
 661                                       en ? MIX_DEFIGAIN : VOL_MIN);
 662         if (VORTEX_IS_QUAD(v)) {
 663                 vortex_connection_mixin_mix(v, en, v->mixxtlk[0],
 664                                             v->mixplayb[2], 0);
 665                 vortex_connection_mixin_mix(v, en, v->mixxtlk[1],
 666                                             v->mixplayb[3], 0);
 667                 vortex_mix_setinputvolumebyte(v, v->mixplayb[2],
 668                                               v->mixxtlk[0],
 669                                               en ? MIX_DEFIGAIN : VOL_MIN);
 670                 vortex_mix_setinputvolumebyte(v, v->mixplayb[3],
 671                                               v->mixxtlk[1],
 672                                               en ? MIX_DEFIGAIN : VOL_MIN);
 673         }
 674 #endif
 675 }
 676
 677 /* Initialize one single A3D source. */
 678 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en)
 679 {
 680         if (a->vortex == NULL) {
 681                 printk
 682                     ("vortex: Vort3D_InitializeSource: A3D source not initialized\n");
 683                 return;
 684         }
 685         if (en) {
 686                 a3dsrc_ProgramPipe(a);
 687                 a3dsrc_SetA3DSampleRate(a, 0x11);
 688                 a3dsrc_SetTimeConsts(a, HrtfTCDefault,
 689                                      ItdTCDefault, GainTCDefault,
 690                                      CoefTCDefault);
 691                 /* Remark: zero gain is muted. */
 692                 //a3dsrc_SetGainTarget(a,0,0);
 693                 //a3dsrc_SetGainCurrent(a,0,0);
 694                 a3dsrc_EnableA3D(a);
 695         } else {
 696                 a3dsrc_DisableA3D(a);
 697                 a3dsrc_ZeroState(a);
 698         }
 699 }
 700
 701 /* Conversion of coordinates into 3D parameters. */
 702
 703 static void vortex_a3d_coord2hrtf(a3d_Hrtf_t hrtf, int *coord)
 704 {
 705         /* FIXME: implement this. */
 706
 707 }
 708 static void vortex_a3d_coord2itd(a3d_Itd_t itd, int *coord)
 709 {
 710         /* FIXME: implement this. */
 711
 712 }
 713 static void vortex_a3d_coord2ild(a3d_LRGains_t ild, int left, int right)
 714 {
 715         /* FIXME: implement this. */
 716
 717 }
 718 static void vortex_a3d_translate_filter(a3d_atmos_t filter, int *params)
 719 {
 720         /* FIXME: implement this. */
 721
 722 }
 723
 724 /* ALSA control interface.  */
 725
 726 static int
 727 snd_vortex_a3d_hrtf_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 728 {
 729         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 730         uinfo->count = 6;
 731         uinfo->value.integer.min = 0x00000000;
 732         uinfo->value.integer.max = 0xffffffff;
 733         return 0;
 734 }
 735 static int
 736 snd_vortex_a3d_itd_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 737 {
 738         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 739         uinfo->count = 2;
 740         uinfo->value.integer.min = 0x00000000;
 741         uinfo->value.integer.max = 0xffffffff;
 742         return 0;
 743 }
 744 static int
 745 snd_vortex_a3d_ild_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 746 {
 747         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 748         uinfo->count = 2;
 749         uinfo->value.integer.min = 0x00000000;
 750         uinfo->value.integer.max = 0xffffffff;
 751         return 0;
 752 }
 753 static int
 754 snd_vortex_a3d_filter_info(struct snd_kcontrol *kcontrol,
 755                            struct snd_ctl_elem_info *uinfo)
 756 {
 757         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 758         uinfo->count = 4;
 759         uinfo->value.integer.min = 0x00000000;
 760         uinfo->value.integer.max = 0xffffffff;
 761         return 0;
 762 }
 763
 764 static int
 765 snd_vortex_a3d_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 766 {
 767         //a3dsrc_t *a = kcontrol->private_data;
 768         /* No read yet. Would this be really useable/needed ? */
 769
 770         return 0;
 771 }
 772
 773 static int
 774 snd_vortex_a3d_hrtf_put(struct snd_kcontrol *kcontrol,
 775                         struct snd_ctl_elem_value *ucontrol)
 776 {
 777         a3dsrc_t *a = kcontrol->private_data;
 778         int changed = 1, i;
 779         int coord[6];
 780         for (i = 0; i < 6; i++)
 781                 coord[i] = ucontrol->value.integer.value[i];
 782         /* Translate orientation coordinates to a3d params. */
 783         vortex_a3d_coord2hrtf(a->hrtf[0], coord);
 784         vortex_a3d_coord2hrtf(a->hrtf[1], coord);
 785         a3dsrc_SetHrtfTarget(a, a->hrtf[0], a->hrtf[1]);
 786         a3dsrc_SetHrtfCurrent(a, a->hrtf[0], a->hrtf[1]);
 787         return changed;
 788 }
 789
 790 static int
 791 snd_vortex_a3d_itd_put(struct snd_kcontrol *kcontrol,
 792                        struct snd_ctl_elem_value *ucontrol)
 793 {
 794         a3dsrc_t *a = kcontrol->private_data;
 795         int coord[6];
 796         int i, changed = 1;
 797         for (i = 0; i < 6; i++)
 798                 coord[i] = ucontrol->value.integer.value[i];
 799         /* Translate orientation coordinates to a3d params. */
 800         vortex_a3d_coord2itd(a->hrtf[0], coord);
 801         vortex_a3d_coord2itd(a->hrtf[1], coord);
 802         /* Inter aural time difference. */
 803         a3dsrc_SetItdTarget(a, a->itd[0], a->itd[1]);
 804         a3dsrc_SetItdCurrent(a, a->itd[0], a->itd[1]);
 805         a3dsrc_SetItdDline(a, a->dline);
 806         return changed;
 807 }
 808
 809 static int
 810 snd_vortex_a3d_ild_put(struct snd_kcontrol *kcontrol,
 811                        struct snd_ctl_elem_value *ucontrol)
 812 {
 813         a3dsrc_t *a = kcontrol->private_data;
 814         int changed = 1;
 815         int l, r;
 816         /* There may be some scale tranlation needed here. */
 817         l = ucontrol->value.integer.value[0];
 818         r = ucontrol->value.integer.value[1];
 819         vortex_a3d_coord2ild(a->ild, l, r);
 820         /* Left Right panning. */
 821         a3dsrc_SetGainTarget(a, l, r);
 822         a3dsrc_SetGainCurrent(a, l, r);
 823         return changed;
 824 }
 825
 826 static int
 827 snd_vortex_a3d_filter_put(struct snd_kcontrol *kcontrol,
 828                           struct snd_ctl_elem_value *ucontrol)
 829 {
 830         a3dsrc_t *a = kcontrol->private_data;
 831         int i, changed = 1;
 832         int params[6];
 833         for (i = 0; i < 6; i++)
 834                 params[i] = ucontrol->value.integer.value[i];
 835         /* Translate generic filter params to a3d filter params. */
 836         vortex_a3d_translate_filter(a->filter, params);
 837         /* Atmospheric absorbtion and filtering. */
 838         a3dsrc_SetAtmosTarget(a, a->filter[0],
 839                               a->filter[1], a->filter[2],
 840                               a->filter[3], a->filter[4]);
 841         a3dsrc_SetAtmosCurrent(a, a->filter[0],
 842                                a->filter[1], a->filter[2],
 843                                a->filter[3], a->filter[4]);
 844         return changed;
 845 }
 846
 847 static struct snd_kcontrol_new vortex_a3d_kcontrol __devinitdata = {
 848         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 849         .name = "Playback PCM advanced processing",
 850         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 851         .info = snd_vortex_a3d_hrtf_info,
 852         .get = snd_vortex_a3d_get,
 853         .put = snd_vortex_a3d_hrtf_put,
 854 };
 855
 856 /* Control (un)registration. */
 857 static int __devinit vortex_a3d_register_controls(vortex_t * vortex)
 858 {
 859         struct snd_kcontrol *kcontrol;
 860         int err, i;
 861         /* HRTF controls. */
 862         for (i = 0; i < NR_A3D; i++) {
 863                 if ((kcontrol =
 864                      snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
 865                         return -ENOMEM;
 866                 kcontrol->id.numid = CTRLID_HRTF;
 867                 kcontrol->info = snd_vortex_a3d_hrtf_info;
 868                 kcontrol->put = snd_vortex_a3d_hrtf_put;
 869                 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
 870                         return err;
 871         }
 872         /* ITD controls. */
 873         for (i = 0; i < NR_A3D; i++) {
 874                 if ((kcontrol =
 875                      snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
 876                         return -ENOMEM;
 877                 kcontrol->id.numid = CTRLID_ITD;
 878                 kcontrol->info = snd_vortex_a3d_itd_info;
 879                 kcontrol->put = snd_vortex_a3d_itd_put;
 880                 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
 881                         return err;
 882         }
 883         /* ILD (gains) controls. */
 884         for (i = 0; i < NR_A3D; i++) {
 885                 if ((kcontrol =
 886                      snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
 887                         return -ENOMEM;
 888                 kcontrol->id.numid = CTRLID_GAINS;
 889                 kcontrol->info = snd_vortex_a3d_ild_info;
 890                 kcontrol->put = snd_vortex_a3d_ild_put;
 891                 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
 892                         return err;
 893         }
 894         /* Filter controls. */
 895         for (i = 0; i < NR_A3D; i++) {
 896                 if ((kcontrol =
 897                      snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
 898                         return -ENOMEM;
 899                 kcontrol->id.numid = CTRLID_FILTER;
 900                 kcontrol->info = snd_vortex_a3d_filter_info;
 901                 kcontrol->put = snd_vortex_a3d_filter_put;
 902                 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
 903                         return err;
 904         }
 905         return 0;
 906 }
 907
 908 static void vortex_a3d_unregister_controls(vortex_t * vortex)
 909 {
 910
 911 }
 912
 913 /* End of File*/