1 /***************************************************************************
4 * Fri Jul 18 14:16:22 2003
5 * Copyright 2003 mjander
6 * mjander@users.sourceforge.net
8 * A3D. You may think i'm crazy, but this may work someday. Who knows...
9 ****************************************************************************/
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.
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.
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.
27 #include "au88x0_a3d.h"
28 #include "au88x0_a3ddata.c"
29 #include "au88x0_xtalk.h"
33 a3dsrc_SetTimeConsts(a3dsrc_t * a, short HrtfTrack, short ItdTrack,
34 short GTrack, short CTrack)
36 vortex_t *vortex = (vortex_t *) (a->vortex);
38 a3d_addrA(a->slice, a->source, A3D_A_HrtfTrackTC), HrtfTrack);
40 a3d_addrA(a->slice, a->source, A3D_A_ITDTrackTC), ItdTrack);
42 a3d_addrA(a->slice, a->source, A3D_A_GainTrackTC), GTrack);
44 a3d_addrA(a->slice, a->source, A3D_A_CoeffTrackTC), CTrack);
49 a3dsrc_GetTimeConsts(a3dsrc_t * a, short *HrtfTrack, short *ItdTrack,
50 short *GTrack, short *CTrack)
56 /* Atmospheric absorbtion. */
59 a3dsrc_SetAtmosTarget(a3dsrc_t * a, short aa, short b, short c, short d,
62 vortex_t *vortex = (vortex_t *) (a->vortex);
64 a3d_addrB(a->slice, a->source, A3D_B_A21Target),
67 a3d_addrB(a->slice, a->source, A3D_B_B10Target),
70 a3d_addrB(a->slice, a->source, A3D_B_B2Target), c);
74 a3dsrc_SetAtmosCurrent(a3dsrc_t * a, short aa, short b, short c, short d,
77 vortex_t *vortex = (vortex_t *) (a->vortex);
79 a3d_addrB(a->slice, a->source, A3D_B_A12Current),
82 a3d_addrB(a->slice, a->source, A3D_B_B01Current),
85 a3d_addrB(a->slice, a->source, A3D_B_B2Current), c);
89 a3dsrc_SetAtmosState(a3dsrc_t * a, short x1, short x2, short y1, short y2)
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);
100 a3dsrc_GetAtmosTarget(a3dsrc_t * a, short *aa, short *b, short *c,
105 a3dsrc_GetAtmosCurrent(a3dsrc_t * a, short *bb01, short *ab01, short *b2,
106 short *aa12, short *ba12)
108 vortex_t *vortex = (vortex_t *) (a->vortex);
111 a3d_addrA(a->slice, a->source, A3D_A_A12Current));
114 a3d_addrB(a->slice, a->source, A3D_B_A12Current));
117 a3d_addrA(a->slice, a->source, A3D_A_B01Current));
120 a3d_addrB(a->slice, a->source, A3D_B_B01Current));
123 a3d_addrA(a->slice, a->source, A3D_A_B2Current));
127 a3dsrc_GetAtmosState(a3dsrc_t * a, short *x1, short *x2, short *y1, short *y2)
136 a3dsrc_SetHrtfTarget(a3dsrc_t * a, a3d_Hrtf_t const aa, a3d_Hrtf_t const b)
138 vortex_t *vortex = (vortex_t *) (a->vortex);
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]);
149 a3dsrc_SetHrtfCurrent(a3dsrc_t * a, a3d_Hrtf_t const aa, a3d_Hrtf_t const b)
151 vortex_t *vortex = (vortex_t *) (a->vortex);
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]);
162 a3dsrc_SetHrtfState(a3dsrc_t * a, a3d_Hrtf_t const aa, a3d_Hrtf_t const b)
164 vortex_t *vortex = (vortex_t *) (a->vortex);
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]);
174 static void a3dsrc_SetHrtfOutput(a3dsrc_t * a, short left, short right)
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);
184 static void a3dsrc_GetHrtfTarget(a3dsrc_t * a, a3d_Hrtf_t aa, a3d_Hrtf_t b)
186 vortex_t *vortex = (vortex_t *) (a->vortex);
189 for (i = 0; i < HRTF_SZ; i++)
192 a3d_addrA(a->slice, a->source,
193 A3D_A_HrtfTarget + (i << 2)));
194 for (i = 0; i < HRTF_SZ; i++)
197 a3d_addrB(a->slice, a->source,
198 A3D_B_HrtfTarget + (i << 2)));
201 static void a3dsrc_GetHrtfCurrent(a3dsrc_t * a, a3d_Hrtf_t aa, a3d_Hrtf_t b)
203 vortex_t *vortex = (vortex_t *) (a->vortex);
206 for (i = 0; i < HRTF_SZ; i++)
209 a3d_addrA(a->slice, a->source,
210 A3D_A_HrtfCurrent + (i << 2)));
211 for (i = 0; i < HRTF_SZ; i++)
214 a3d_addrB(a->slice, a->source,
215 A3D_B_HrtfCurrent + (i << 2)));
218 static void a3dsrc_GetHrtfState(a3dsrc_t * a, a3d_Hrtf_t aa, a3d_Hrtf_t b)
220 vortex_t *vortex = (vortex_t *) (a->vortex);
222 // FIXME: verify this!
223 for (i = 0; i < HRTF_SZ; i++)
226 a3d_addrA(a->slice, a->source,
227 A3D_A_HrtfDelayLine + (i << 2)));
228 for (i = 0; i < HRTF_SZ; i++)
231 a3d_addrB(a->slice, a->source,
232 A3D_B_HrtfDelayLine + (i << 2)));
235 static void a3dsrc_GetHrtfOutput(a3dsrc_t * a, short *left, short *right)
237 vortex_t *vortex = (vortex_t *) (a->vortex);
240 a3d_addrA(a->slice, a->source, A3D_A_HrtfOutL));
243 a3d_addrA(a->slice, a->source, A3D_A_HrtfOutR));
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)
255 vortex_t *vortex = (vortex_t *) (a->vortex);
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);
271 static void a3dsrc_SetItdCurrent(a3dsrc_t * a, short litd, short ritd)
273 vortex_t *vortex = (vortex_t *) (a->vortex);
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);
289 static void a3dsrc_SetItdDline(a3dsrc_t * a, a3d_ItdDline_t const dline)
291 vortex_t *vortex = (vortex_t *) (a->vortex);
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]);
301 static void a3dsrc_GetItdTarget(a3dsrc_t * a, short *litd, short *ritd)
303 vortex_t *vortex = (vortex_t *) (a->vortex);
306 a3d_addrA(a->slice, a->source, A3D_A_ITDTarget));
309 a3d_addrB(a->slice, a->source, A3D_B_ITDTarget));
312 static void a3dsrc_GetItdCurrent(a3dsrc_t * a, short *litd, short *ritd)
314 vortex_t *vortex = (vortex_t *) (a->vortex);
318 a3d_addrA(a->slice, a->source, A3D_A_ITDCurrent));
321 a3d_addrB(a->slice, a->source, A3D_B_ITDCurrent));
324 static void a3dsrc_GetItdDline(a3dsrc_t * a, a3d_ItdDline_t dline)
326 vortex_t *vortex = (vortex_t *) (a->vortex);
329 for (i = 0; i < DLINE_SZ; i++)
332 a3d_addrA(a->slice, a->source,
333 A3D_A_ITDDelayLine + (i << 2)));
337 /* This is may be used for ILD Interaural Level Difference. */
339 static void a3dsrc_SetGainTarget(a3dsrc_t * a, short left, short right)
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);
347 static void a3dsrc_SetGainCurrent(a3dsrc_t * a, short left, short right)
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);
356 static void a3dsrc_GetGainTarget(a3dsrc_t * a, short *left, short *right)
358 vortex_t *vortex = (vortex_t *) (a->vortex);
361 a3d_addrA(a->slice, a->source, A3D_A_GainTarget));
364 a3d_addrB(a->slice, a->source, A3D_B_GainTarget));
367 static void a3dsrc_GetGainCurrent(a3dsrc_t * a, short *left, short *right)
369 vortex_t *vortex = (vortex_t *) (a->vortex);
372 a3d_addrA(a->slice, a->source, A3D_A_GainCurrent));
375 a3d_addrB(a->slice, a->source, A3D_B_GainCurrent));
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)
381 vortex_t *vortex = (vortex_t *) (a->vortex);
382 hwwrite(vortex->mmio, addr, (aa << 0x10) | b);
386 /* Generic A3D stuff */
388 static void a3dsrc_SetA3DSampleRate(a3dsrc_t * a, int sr)
390 vortex_t *vortex = (vortex_t *) (a->vortex);
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);
398 static void a3dsrc_EnableA3D(a3dsrc_t * a)
400 vortex_t *vortex = (vortex_t *) (a->vortex);
401 hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd),
403 //hwwrite(vortex->mmio, 0x19C38 + (this08<<0xd), 0xF0000001);
406 static void a3dsrc_DisableA3D(a3dsrc_t * a)
408 vortex_t *vortex = (vortex_t *) (a->vortex);
409 hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd),
413 static void a3dsrc_SetA3DControlReg(a3dsrc_t * a, unsigned long ctrl)
415 vortex_t *vortex = (vortex_t *) (a->vortex);
416 hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd), ctrl);
419 static void a3dsrc_SetA3DPointerReg(a3dsrc_t * a, unsigned long ptr)
421 vortex_t *vortex = (vortex_t *) (a->vortex);
422 hwwrite(vortex->mmio, A3D_SLICE_Pointers + ((a->slice) << 0xd), ptr);
426 static void a3dsrc_GetA3DSampleRate(a3dsrc_t * a, int *sr)
428 vortex_t *vortex = (vortex_t *) (a->vortex);
429 *sr = ((hwread(vortex->mmio, A3D_SLICE_Control + (a->slice << 0xd))
431 //*sr = ((hwread(vortex->mmio, 0x19C38 + (this08<<0xd))>>3)&0x1f);
434 static void a3dsrc_GetA3DControlReg(a3dsrc_t * a, unsigned long *ctrl)
436 vortex_t *vortex = (vortex_t *) (a->vortex);
437 *ctrl = hwread(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd));
440 static void a3dsrc_GetA3DPointerReg(a3dsrc_t * a, unsigned long *ptr)
442 vortex_t *vortex = (vortex_t *) (a->vortex);
443 *ptr = hwread(vortex->mmio, A3D_SLICE_Pointers + ((a->slice) << 0xd));
447 static void a3dsrc_ZeroSliceIO(a3dsrc_t * a)
449 vortex_t *vortex = (vortex_t *) (a->vortex);
452 for (i = 0; i < 8; i++)
453 hwwrite(vortex->mmio,
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);
462 /* Reset Single A3D source. */
463 static void a3dsrc_ZeroState(a3dsrc_t * a)
466 //printk("vortex: ZeroState slice: %d, source %d\n", a->slice, a->source);
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);
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);
481 a3dsrc_SetHrtfCurrent(a, A3dHrirZeros, A3dHrirZeros);
482 a3dsrc_SetHrtfTarget(a, A3dHrirZeros, A3dHrirZeros);
485 /* Reset entire A3D engine */
486 static void a3dsrc_ZeroStateA3D(a3dsrc_t * a)
490 if ((a->vortex) == NULL) {
491 printk(KERN_ERR "vortex: ZeroStateA3D: ERROR: a->vortex is NULL\n");
495 a3dsrc_SetA3DControlReg(a, 0);
496 a3dsrc_SetA3DPointerReg(a, 0);
500 for (i = 0; i < 4; i++) {
502 a3dsrc_ZeroSliceIO(a);
503 //a3dsrc_ZeroState(a);
509 /* Program A3D block as pass through */
510 static void a3dsrc_ProgramPipe(a3dsrc_t * a)
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);
522 /* Single spike leads to identity transfer function. */
523 a3dsrc_SetHrtfCurrent(a, A3dHrirImpulse, A3dHrirImpulse);
524 a3dsrc_SetHrtfTarget(a, A3dHrirImpulse, A3dHrirImpulse);
526 /* Test: Sounds saturated. */
527 //a3dsrc_SetHrtfCurrent(a, A3dHrirSatTest, A3dHrirSatTest);
528 //a3dsrc_SetHrtfTarget(a, A3dHrirSatTest, A3dHrirSatTest);
531 /* VDB = Vortex audio Dataflow Bus */
533 static void a3dsrc_ClearVDBData(a3dsrc_t * a, unsigned long aa)
535 vortex_t *vortex = (vortex_t *) (a->vortex);
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,
542 A3D_SLICE_VDBDest + 4) + (a->source << 2), 0);
544 hwwrite(vortex->mmio, 0x19c00 + (((aa>>2)*255*4)+aa)*8, 0);
545 hwwrite(vortex->mmio, 0x19c04 + (((aa>>2)*255*4)+aa)*8, 0);
550 /* A3D HwSource stuff. */
552 static void vortex_A3dSourceHw_Initialize(vortex_t * v, int source, int slice)
554 a3dsrc_t *a3dsrc = &(v->a3d[source + (slice * 4)]);
555 //a3dsrc_t *a3dsrc = &(v->a3d[source + (slice*4)]);
557 a3dsrc->vortex = (void *)v;
558 a3dsrc->source = source; /* source */
559 a3dsrc->slice = slice; /* slice */
560 a3dsrc_ZeroState(a3dsrc);
562 a3dsrc_SetA3DSampleRate(a3dsrc, 0x11);
565 static int Vort3DRend_Initialize(vortex_t * v, unsigned short mode)
567 v->xt_mode = mode; /* this_14 */
569 vortex_XtalkHw_init(v);
570 vortex_XtalkHw_SetGainsAllChan(v);
571 switch (v->xt_mode) {
573 vortex_XtalkHw_ProgramXtalkNarrow(v);
576 vortex_XtalkHw_ProgramXtalkWide(v);
580 vortex_XtalkHw_ProgramPipe(v);
583 vortex_XtalkHw_ProgramDiamondXtalk(v);
586 vortex_XtalkHw_SetSampleRate(v, 0x11);
587 vortex_XtalkHw_Enable(v);
591 /* 3D Sound entry points. */
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 vortex_Vort3D(vortex_t * v, int en)
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]));
606 vortex_XtalkHw_Disable(v);
608 /* Register ALSA controls */
610 vortex_a3d_register_controls(v);
612 vortex_a3d_unregister_controls(v);
616 /* Make A3D subsystem connections. */
617 static void vortex_Vort3D_connect(vortex_t * v, int en)
621 // Disable AU8810 routes, since they seem to be wrong (in au8810.h).
627 /* Alloc Xtalk mixin resources */
629 vortex_adb_checkinout(v, v->fixed_res, en, VORTEX_RESOURCE_MIXIN);
630 if (v->mixxtlk[0] < 0) {
632 ("vortex: vortex_Vort3D: ERROR: not enough free mixer resources.\n");
636 vortex_adb_checkinout(v, v->fixed_res, en, VORTEX_RESOURCE_MIXIN);
637 if (v->mixxtlk[1] < 0) {
639 ("vortex: vortex_Vort3D: ERROR: not enough free mixer resources.\n");
644 /* Connect A3D -> XTALK */
645 for (i = 0; i < 4; i++) {
646 // 2 outputs per each A3D slice.
647 vortex_route(v, en, 0x11, ADB_A3DOUT(i * 2), ADB_XTALKIN(i));
648 vortex_route(v, en, 0x11, ADB_A3DOUT(i * 2) + 1, ADB_XTALKIN(5 + i));
651 vortex_route(v, en, 0x11, ADB_XTALKOUT(0), ADB_EQIN(2));
652 vortex_route(v, en, 0x11, ADB_XTALKOUT(1), ADB_EQIN(3));
654 /* Connect XTalk -> mixer */
655 vortex_route(v, en, 0x11, ADB_XTALKOUT(0), ADB_MIXIN(v->mixxtlk[0]));
656 vortex_route(v, en, 0x11, ADB_XTALKOUT(1), ADB_MIXIN(v->mixxtlk[1]));
657 vortex_connection_mixin_mix(v, en, v->mixxtlk[0], v->mixplayb[0], 0);
658 vortex_connection_mixin_mix(v, en, v->mixxtlk[1], v->mixplayb[1], 0);
659 vortex_mix_setinputvolumebyte(v, v->mixplayb[0], v->mixxtlk[0],
660 en ? MIX_DEFIGAIN : VOL_MIN);
661 vortex_mix_setinputvolumebyte(v, v->mixplayb[1], v->mixxtlk[1],
662 en ? MIX_DEFIGAIN : VOL_MIN);
663 if (VORTEX_IS_QUAD(v)) {
664 vortex_connection_mixin_mix(v, en, v->mixxtlk[0],
666 vortex_connection_mixin_mix(v, en, v->mixxtlk[1],
668 vortex_mix_setinputvolumebyte(v, v->mixplayb[2],
670 en ? MIX_DEFIGAIN : VOL_MIN);
671 vortex_mix_setinputvolumebyte(v, v->mixplayb[3],
673 en ? MIX_DEFIGAIN : VOL_MIN);
678 /* Initialize one single A3D source. */
679 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en)
681 if (a->vortex == NULL) {
683 ("vortex: Vort3D_InitializeSource: A3D source not initialized\n");
687 a3dsrc_ProgramPipe(a);
688 a3dsrc_SetA3DSampleRate(a, 0x11);
689 a3dsrc_SetTimeConsts(a, HrtfTCDefault,
690 ItdTCDefault, GainTCDefault,
692 /* Remark: zero gain is muted. */
693 //a3dsrc_SetGainTarget(a,0,0);
694 //a3dsrc_SetGainCurrent(a,0,0);
697 a3dsrc_DisableA3D(a);
702 /* Conversion of coordinates into 3D parameters. */
704 static void vortex_a3d_coord2hrtf(a3d_Hrtf_t hrtf, int *coord)
706 /* FIXME: implement this. */
709 static void vortex_a3d_coord2itd(a3d_Itd_t itd, int *coord)
711 /* FIXME: implement this. */
714 static void vortex_a3d_coord2ild(a3d_LRGains_t ild, int left, int right)
716 /* FIXME: implement this. */
719 static void vortex_a3d_translate_filter(a3d_atmos_t filter, int *params)
721 /* FIXME: implement this. */
725 /* ALSA control interface. */
728 snd_vortex_a3d_hrtf_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
730 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
732 uinfo->value.integer.min = 0x00000000;
733 uinfo->value.integer.max = 0xffffffff;
737 snd_vortex_a3d_itd_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
739 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
741 uinfo->value.integer.min = 0x00000000;
742 uinfo->value.integer.max = 0xffffffff;
746 snd_vortex_a3d_ild_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
748 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
750 uinfo->value.integer.min = 0x00000000;
751 uinfo->value.integer.max = 0xffffffff;
755 snd_vortex_a3d_filter_info(snd_kcontrol_t *
756 kcontrol, snd_ctl_elem_info_t * uinfo)
758 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
760 uinfo->value.integer.min = 0x00000000;
761 uinfo->value.integer.max = 0xffffffff;
766 snd_vortex_a3d_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
768 //a3dsrc_t *a = kcontrol->private_data;
769 /* No read yet. Would this be really useable/needed ? */
775 snd_vortex_a3d_hrtf_put(snd_kcontrol_t *
776 kcontrol, snd_ctl_elem_value_t * ucontrol)
778 a3dsrc_t *a = kcontrol->private_data;
781 for (i = 0; i < 6; i++)
782 coord[i] = ucontrol->value.integer.value[i];
783 /* Translate orientation coordinates to a3d params. */
784 vortex_a3d_coord2hrtf(a->hrtf[0], coord);
785 vortex_a3d_coord2hrtf(a->hrtf[1], coord);
786 a3dsrc_SetHrtfTarget(a, a->hrtf[0], a->hrtf[1]);
787 a3dsrc_SetHrtfCurrent(a, a->hrtf[0], a->hrtf[1]);
792 snd_vortex_a3d_itd_put(snd_kcontrol_t *
793 kcontrol, snd_ctl_elem_value_t * ucontrol)
795 a3dsrc_t *a = kcontrol->private_data;
798 for (i = 0; i < 6; i++)
799 coord[i] = ucontrol->value.integer.value[i];
800 /* Translate orientation coordinates to a3d params. */
801 vortex_a3d_coord2itd(a->hrtf[0], coord);
802 vortex_a3d_coord2itd(a->hrtf[1], coord);
803 /* Inter aural time difference. */
804 a3dsrc_SetItdTarget(a, a->itd[0], a->itd[1]);
805 a3dsrc_SetItdCurrent(a, a->itd[0], a->itd[1]);
806 a3dsrc_SetItdDline(a, a->dline);
811 snd_vortex_a3d_ild_put(snd_kcontrol_t *
812 kcontrol, snd_ctl_elem_value_t * ucontrol)
814 a3dsrc_t *a = kcontrol->private_data;
817 /* There may be some scale tranlation needed here. */
818 l = ucontrol->value.integer.value[0];
819 r = ucontrol->value.integer.value[1];
820 vortex_a3d_coord2ild(a->ild, l, r);
821 /* Left Right panning. */
822 a3dsrc_SetGainTarget(a, l, r);
823 a3dsrc_SetGainCurrent(a, l, r);
828 snd_vortex_a3d_filter_put(snd_kcontrol_t
829 * kcontrol, snd_ctl_elem_value_t * ucontrol)
831 a3dsrc_t *a = kcontrol->private_data;
834 for (i = 0; i < 6; i++)
835 params[i] = ucontrol->value.integer.value[i];
836 /* Translate generic filter params to a3d filter params. */
837 vortex_a3d_translate_filter(a->filter, params);
838 /* Atmospheric absorbtion and filtering. */
839 a3dsrc_SetAtmosTarget(a, a->filter[0],
840 a->filter[1], a->filter[2],
841 a->filter[3], a->filter[4]);
842 a3dsrc_SetAtmosCurrent(a, a->filter[0],
843 a->filter[1], a->filter[2],
844 a->filter[3], a->filter[4]);
848 static snd_kcontrol_new_t vortex_a3d_kcontrol __devinitdata = {
849 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
850 .name = "Playback PCM advanced processing",
851 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
852 .info = snd_vortex_a3d_hrtf_info,
853 .get = snd_vortex_a3d_get,
854 .put = snd_vortex_a3d_hrtf_put,
857 /* Control (un)registration. */
858 static int vortex_a3d_register_controls(vortex_t * vortex)
860 snd_kcontrol_t *kcontrol;
863 for (i = 0; i < NR_A3D; i++) {
865 snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
867 kcontrol->id.numid = CTRLID_HRTF;
868 kcontrol->info = snd_vortex_a3d_hrtf_info;
869 kcontrol->put = snd_vortex_a3d_hrtf_put;
870 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
874 for (i = 0; i < NR_A3D; i++) {
876 snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
878 kcontrol->id.numid = CTRLID_ITD;
879 kcontrol->info = snd_vortex_a3d_itd_info;
880 kcontrol->put = snd_vortex_a3d_itd_put;
881 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
884 /* ILD (gains) controls. */
885 for (i = 0; i < NR_A3D; i++) {
887 snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
889 kcontrol->id.numid = CTRLID_GAINS;
890 kcontrol->info = snd_vortex_a3d_ild_info;
891 kcontrol->put = snd_vortex_a3d_ild_put;
892 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
895 /* Filter controls. */
896 for (i = 0; i < NR_A3D; i++) {
898 snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
900 kcontrol->id.numid = CTRLID_FILTER;
901 kcontrol->info = snd_vortex_a3d_filter_info;
902 kcontrol->put = snd_vortex_a3d_filter_put;
903 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
909 static void vortex_a3d_unregister_controls(vortex_t * vortex)