Linux-libre 5.4.49-gnu
[librecmc/linux-libre.git] / sound / pci / au88x0 / au88x0_a3d.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /***************************************************************************
3  *            au88x0_a3d.c
4  *
5  *  Fri Jul 18 14:16:22 2003
6  *  Copyright  2003  mjander
7  *  mjander@users.sourceforge.net
8  *
9  * A3D. You may think i'm crazy, but this may work someday. Who knows...
10  ****************************************************************************/
11
12 /*
13  */
14
15 #include "au88x0_a3d.h"
16 #include "au88x0_a3ddata.c"
17 #include "au88x0_xtalk.h"
18 #include "au88x0.h"
19
20 static void
21 a3dsrc_SetTimeConsts(a3dsrc_t * a, short HrtfTrack, short ItdTrack,
22                      short GTrack, short CTrack)
23 {
24         vortex_t *vortex = (vortex_t *) (a->vortex);
25         hwwrite(vortex->mmio,
26                 a3d_addrA(a->slice, a->source, A3D_A_HrtfTrackTC), HrtfTrack);
27         hwwrite(vortex->mmio,
28                 a3d_addrA(a->slice, a->source, A3D_A_ITDTrackTC), ItdTrack);
29         hwwrite(vortex->mmio,
30                 a3d_addrA(a->slice, a->source, A3D_A_GainTrackTC), GTrack);
31         hwwrite(vortex->mmio,
32                 a3d_addrA(a->slice, a->source, A3D_A_CoeffTrackTC), CTrack);
33 }
34
35 #if 0
36 static void
37 a3dsrc_GetTimeConsts(a3dsrc_t * a, short *HrtfTrack, short *ItdTrack,
38                      short *GTrack, short *CTrack)
39 {
40         // stub!
41 }
42
43 #endif
44 /* Atmospheric absorption. */
45
46 static void
47 a3dsrc_SetAtmosTarget(a3dsrc_t * a, short aa, short b, short c, short d,
48                       short e)
49 {
50         vortex_t *vortex = (vortex_t *) (a->vortex);
51         hwwrite(vortex->mmio,
52                 a3d_addrB(a->slice, a->source, A3D_B_A21Target),
53                 (e << 0x10) | d);
54         hwwrite(vortex->mmio,
55                 a3d_addrB(a->slice, a->source, A3D_B_B10Target),
56                 (b << 0x10) | aa);
57         hwwrite(vortex->mmio,
58                 a3d_addrB(a->slice, a->source, A3D_B_B2Target), c);
59 }
60
61 static void
62 a3dsrc_SetAtmosCurrent(a3dsrc_t * a, short aa, short b, short c, short d,
63                        short e)
64 {
65         vortex_t *vortex = (vortex_t *) (a->vortex);
66         hwwrite(vortex->mmio,
67                 a3d_addrB(a->slice, a->source, A3D_B_A12Current),
68                 (e << 0x10) | d);
69         hwwrite(vortex->mmio,
70                 a3d_addrB(a->slice, a->source, A3D_B_B01Current),
71                 (b << 0x10) | aa);
72         hwwrite(vortex->mmio,
73                 a3d_addrB(a->slice, a->source, A3D_B_B2Current), c);
74 }
75
76 static void
77 a3dsrc_SetAtmosState(a3dsrc_t * a, short x1, short x2, short y1, short y2)
78 {
79         vortex_t *vortex = (vortex_t *) (a->vortex);
80         hwwrite(vortex->mmio, a3d_addrA(a->slice, a->source, A3D_A_x1), x1);
81         hwwrite(vortex->mmio, a3d_addrA(a->slice, a->source, A3D_A_x2), x2);
82         hwwrite(vortex->mmio, a3d_addrA(a->slice, a->source, A3D_A_y1), y1);
83         hwwrite(vortex->mmio, a3d_addrA(a->slice, a->source, A3D_A_y2), y2);
84 }
85
86 #if 0
87 static void
88 a3dsrc_GetAtmosTarget(a3dsrc_t * a, short *aa, short *b, short *c,
89                       short *d, short *e)
90 {
91 }
92 static void
93 a3dsrc_GetAtmosCurrent(a3dsrc_t * a, short *bb01, short *ab01, short *b2,
94                        short *aa12, short *ba12)
95 {
96         vortex_t *vortex = (vortex_t *) (a->vortex);
97         *aa12 =
98             hwread(vortex->mmio,
99                    a3d_addrA(a->slice, a->source, A3D_A_A12Current));
100         *ba12 =
101             hwread(vortex->mmio,
102                    a3d_addrB(a->slice, a->source, A3D_B_A12Current));
103         *ab01 =
104             hwread(vortex->mmio,
105                    a3d_addrA(a->slice, a->source, A3D_A_B01Current));
106         *bb01 =
107             hwread(vortex->mmio,
108                    a3d_addrB(a->slice, a->source, A3D_B_B01Current));
109         *b2 =
110             hwread(vortex->mmio,
111                    a3d_addrA(a->slice, a->source, A3D_A_B2Current));
112 }
113
114 static void
115 a3dsrc_GetAtmosState(a3dsrc_t * a, short *x1, short *x2, short *y1, short *y2)
116 {
117
118 }
119
120 #endif
121 /* HRTF */
122
123 static void
124 a3dsrc_SetHrtfTarget(a3dsrc_t * a, a3d_Hrtf_t const aa, a3d_Hrtf_t const b)
125 {
126         vortex_t *vortex = (vortex_t *) (a->vortex);
127         int i;
128
129         for (i = 0; i < HRTF_SZ; i++)
130                 hwwrite(vortex->mmio,
131                         a3d_addrB(a->slice, a->source,
132                                   A3D_B_HrtfTarget) + (i << 2),
133                         (b[i] << 0x10) | aa[i]);
134 }
135
136 static void
137 a3dsrc_SetHrtfCurrent(a3dsrc_t * a, a3d_Hrtf_t const aa, a3d_Hrtf_t const b)
138 {
139         vortex_t *vortex = (vortex_t *) (a->vortex);
140         int i;
141
142         for (i = 0; i < HRTF_SZ; i++)
143                 hwwrite(vortex->mmio,
144                         a3d_addrB(a->slice, a->source,
145                                   A3D_B_HrtfCurrent) + (i << 2),
146                         (b[i] << 0x10) | aa[i]);
147 }
148
149 static void
150 a3dsrc_SetHrtfState(a3dsrc_t * a, a3d_Hrtf_t const aa, a3d_Hrtf_t const b)
151 {
152         vortex_t *vortex = (vortex_t *) (a->vortex);
153         int i;
154
155         for (i = 0; i < HRTF_SZ; i++)
156                 hwwrite(vortex->mmio,
157                         a3d_addrB(a->slice, a->source,
158                                   A3D_B_HrtfDelayLine) + (i << 2),
159                         (b[i] << 0x10) | aa[i]);
160 }
161
162 static void a3dsrc_SetHrtfOutput(a3dsrc_t * a, short left, short right)
163 {
164         vortex_t *vortex = (vortex_t *) (a->vortex);
165         hwwrite(vortex->mmio,
166                 a3d_addrA(a->slice, a->source, A3D_A_HrtfOutL), left);
167         hwwrite(vortex->mmio,
168                 a3d_addrA(a->slice, a->source, A3D_A_HrtfOutR), right);
169 }
170
171 #if 0
172 static void a3dsrc_GetHrtfTarget(a3dsrc_t * a, a3d_Hrtf_t aa, a3d_Hrtf_t b)
173 {
174         vortex_t *vortex = (vortex_t *) (a->vortex);
175         int i;
176
177         for (i = 0; i < HRTF_SZ; i++)
178                 aa[i] =
179                     hwread(vortex->mmio,
180                            a3d_addrA(a->slice, a->source,
181                                      A3D_A_HrtfTarget + (i << 2)));
182         for (i = 0; i < HRTF_SZ; i++)
183                 b[i] =
184                     hwread(vortex->mmio,
185                            a3d_addrB(a->slice, a->source,
186                                      A3D_B_HrtfTarget + (i << 2)));
187 }
188
189 static void a3dsrc_GetHrtfCurrent(a3dsrc_t * a, a3d_Hrtf_t aa, a3d_Hrtf_t b)
190 {
191         vortex_t *vortex = (vortex_t *) (a->vortex);
192         int i;
193
194         for (i = 0; i < HRTF_SZ; i++)
195                 aa[i] =
196                     hwread(vortex->mmio,
197                            a3d_addrA(a->slice, a->source,
198                                      A3D_A_HrtfCurrent + (i << 2)));
199         for (i = 0; i < HRTF_SZ; i++)
200                 b[i] =
201                     hwread(vortex->mmio,
202                            a3d_addrB(a->slice, a->source,
203                                      A3D_B_HrtfCurrent + (i << 2)));
204 }
205
206 static void a3dsrc_GetHrtfState(a3dsrc_t * a, a3d_Hrtf_t aa, a3d_Hrtf_t b)
207 {
208         vortex_t *vortex = (vortex_t *) (a->vortex);
209         int i;
210         // FIXME: verify this!
211         for (i = 0; i < HRTF_SZ; i++)
212                 aa[i] =
213                     hwread(vortex->mmio,
214                            a3d_addrA(a->slice, a->source,
215                                      A3D_A_HrtfDelayLine + (i << 2)));
216         for (i = 0; i < HRTF_SZ; i++)
217                 b[i] =
218                     hwread(vortex->mmio,
219                            a3d_addrB(a->slice, a->source,
220                                      A3D_B_HrtfDelayLine + (i << 2)));
221 }
222
223 static void a3dsrc_GetHrtfOutput(a3dsrc_t * a, short *left, short *right)
224 {
225         vortex_t *vortex = (vortex_t *) (a->vortex);
226         *left =
227             hwread(vortex->mmio,
228                    a3d_addrA(a->slice, a->source, A3D_A_HrtfOutL));
229         *right =
230             hwread(vortex->mmio,
231                    a3d_addrA(a->slice, a->source, A3D_A_HrtfOutR));
232 }
233
234 #endif
235
236 /* Interaural Time Difference. 
237  * "The other main clue that humans use to locate sounds, is called 
238  * Interaural Time Difference (ITD). The differences in distance from 
239  * the sound source to a listeners ears means  that the sound will 
240  * reach one ear slightly before the other....", found somewhere with google.*/
241 static void a3dsrc_SetItdTarget(a3dsrc_t * a, short litd, short ritd)
242 {
243         vortex_t *vortex = (vortex_t *) (a->vortex);
244
245         if (litd < 0)
246                 litd = 0;
247         if (litd > 0x57FF)
248                 litd = 0x57FF;
249         if (ritd < 0)
250                 ritd = 0;
251         if (ritd > 0x57FF)
252                 ritd = 0x57FF;
253         hwwrite(vortex->mmio,
254                 a3d_addrB(a->slice, a->source, A3D_B_ITDTarget),
255                 (ritd << 0x10) | litd);
256         //hwwrite(vortex->mmio, addr(0x191DF+5, this04, this08), (ritd<<0x10)|litd);
257 }
258
259 static void a3dsrc_SetItdCurrent(a3dsrc_t * a, short litd, short ritd)
260 {
261         vortex_t *vortex = (vortex_t *) (a->vortex);
262
263         if (litd < 0)
264                 litd = 0;
265         if (litd > 0x57FF)
266                 litd = 0x57FF;
267         if (ritd < 0)
268                 ritd = 0;
269         if (ritd > 0x57FF)
270                 ritd = 0x57FF;
271         hwwrite(vortex->mmio,
272                 a3d_addrB(a->slice, a->source, A3D_B_ITDCurrent),
273                 (ritd << 0x10) | litd);
274         //hwwrite(vortex->mmio, addr(0x191DF+1, this04, this08), (ritd<<0x10)|litd);
275 }
276
277 static void a3dsrc_SetItdDline(a3dsrc_t * a, a3d_ItdDline_t const dline)
278 {
279         vortex_t *vortex = (vortex_t *) (a->vortex);
280         int i;
281         /* 45 != 40 -> Check this ! */
282         for (i = 0; i < DLINE_SZ; i++)
283                 hwwrite(vortex->mmio,
284                         a3d_addrA(a->slice, a->source,
285                                   A3D_A_ITDDelayLine) + (i << 2), dline[i]);
286 }
287
288 #if 0
289 static void a3dsrc_GetItdTarget(a3dsrc_t * a, short *litd, short *ritd)
290 {
291         vortex_t *vortex = (vortex_t *) (a->vortex);
292         *ritd =
293             hwread(vortex->mmio,
294                    a3d_addrA(a->slice, a->source, A3D_A_ITDTarget));
295         *litd =
296             hwread(vortex->mmio,
297                    a3d_addrB(a->slice, a->source, A3D_B_ITDTarget));
298 }
299
300 static void a3dsrc_GetItdCurrent(a3dsrc_t * a, short *litd, short *ritd)
301 {
302         vortex_t *vortex = (vortex_t *) (a->vortex);
303
304         *ritd =
305             hwread(vortex->mmio,
306                    a3d_addrA(a->slice, a->source, A3D_A_ITDCurrent));
307         *litd =
308             hwread(vortex->mmio,
309                    a3d_addrB(a->slice, a->source, A3D_B_ITDCurrent));
310 }
311
312 static void a3dsrc_GetItdDline(a3dsrc_t * a, a3d_ItdDline_t dline)
313 {
314         vortex_t *vortex = (vortex_t *) (a->vortex);
315         int i;
316
317         for (i = 0; i < DLINE_SZ; i++)
318                 dline[i] =
319                     hwread(vortex->mmio,
320                            a3d_addrA(a->slice, a->source,
321                                      A3D_A_ITDDelayLine + (i << 2)));
322 }
323
324 #endif
325 /* This is may be used for ILD Interaural Level Difference. */
326
327 static void a3dsrc_SetGainTarget(a3dsrc_t * a, short left, short right)
328 {
329         vortex_t *vortex = (vortex_t *) (a->vortex);
330         hwwrite(vortex->mmio,
331                 a3d_addrB(a->slice, a->source, A3D_B_GainTarget),
332                 (right << 0x10) | left);
333 }
334
335 static void a3dsrc_SetGainCurrent(a3dsrc_t * a, short left, short right)
336 {
337         vortex_t *vortex = (vortex_t *) (a->vortex);
338         hwwrite(vortex->mmio,
339                 a3d_addrB(a->slice, a->source, A3D_B_GainCurrent),
340                 (right << 0x10) | left);
341 }
342
343 #if 0
344 static void a3dsrc_GetGainTarget(a3dsrc_t * a, short *left, short *right)
345 {
346         vortex_t *vortex = (vortex_t *) (a->vortex);
347         *right =
348             hwread(vortex->mmio,
349                    a3d_addrA(a->slice, a->source, A3D_A_GainTarget));
350         *left =
351             hwread(vortex->mmio,
352                    a3d_addrB(a->slice, a->source, A3D_B_GainTarget));
353 }
354
355 static void a3dsrc_GetGainCurrent(a3dsrc_t * a, short *left, short *right)
356 {
357         vortex_t *vortex = (vortex_t *) (a->vortex);
358         *right =
359             hwread(vortex->mmio,
360                    a3d_addrA(a->slice, a->source, A3D_A_GainCurrent));
361         *left =
362             hwread(vortex->mmio,
363                    a3d_addrB(a->slice, a->source, A3D_B_GainCurrent));
364 }
365
366 /* CA3dIO this func seems to be inlined all over this place. */
367 static void CA3dIO_WriteReg(a3dsrc_t * a, unsigned long addr, short aa, short b)
368 {
369         vortex_t *vortex = (vortex_t *) (a->vortex);
370         hwwrite(vortex->mmio, addr, (aa << 0x10) | b);
371 }
372
373 #endif
374 /* Generic A3D stuff */
375
376 static void a3dsrc_SetA3DSampleRate(a3dsrc_t * a, int sr)
377 {
378         vortex_t *vortex = (vortex_t *) (a->vortex);
379         int esp0 = 0;
380
381         esp0 = (((esp0 & 0x7fffffff) | 0xB8000000) & 0x7) | ((sr & 0x1f) << 3);
382         hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd), esp0);
383         //hwwrite(vortex->mmio, 0x19C38 + (this08<<0xd), esp0);
384 }
385
386 static void a3dsrc_EnableA3D(a3dsrc_t * a)
387 {
388         vortex_t *vortex = (vortex_t *) (a->vortex);
389         hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd),
390                 0xF0000001);
391         //hwwrite(vortex->mmio, 0x19C38 + (this08<<0xd), 0xF0000001);
392 }
393
394 static void a3dsrc_DisableA3D(a3dsrc_t * a)
395 {
396         vortex_t *vortex = (vortex_t *) (a->vortex);
397         hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd),
398                 0xF0000000);
399 }
400
401 static void a3dsrc_SetA3DControlReg(a3dsrc_t * a, unsigned long ctrl)
402 {
403         vortex_t *vortex = (vortex_t *) (a->vortex);
404         hwwrite(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd), ctrl);
405 }
406
407 static void a3dsrc_SetA3DPointerReg(a3dsrc_t * a, unsigned long ptr)
408 {
409         vortex_t *vortex = (vortex_t *) (a->vortex);
410         hwwrite(vortex->mmio, A3D_SLICE_Pointers + ((a->slice) << 0xd), ptr);
411 }
412
413 #if 0
414 static void a3dsrc_GetA3DSampleRate(a3dsrc_t * a, int *sr)
415 {
416         vortex_t *vortex = (vortex_t *) (a->vortex);
417         *sr = ((hwread(vortex->mmio, A3D_SLICE_Control + (a->slice << 0xd))
418                 >> 3) & 0x1f);
419         //*sr = ((hwread(vortex->mmio, 0x19C38 + (this08<<0xd))>>3)&0x1f);
420 }
421
422 static void a3dsrc_GetA3DControlReg(a3dsrc_t * a, unsigned long *ctrl)
423 {
424         vortex_t *vortex = (vortex_t *) (a->vortex);
425         *ctrl = hwread(vortex->mmio, A3D_SLICE_Control + ((a->slice) << 0xd));
426 }
427
428 static void a3dsrc_GetA3DPointerReg(a3dsrc_t * a, unsigned long *ptr)
429 {
430         vortex_t *vortex = (vortex_t *) (a->vortex);
431         *ptr = hwread(vortex->mmio, A3D_SLICE_Pointers + ((a->slice) << 0xd));
432 }
433
434 #endif
435 static void a3dsrc_ZeroSliceIO(a3dsrc_t * a)
436 {
437         vortex_t *vortex = (vortex_t *) (a->vortex);
438         int i;
439
440         for (i = 0; i < 8; i++)
441                 hwwrite(vortex->mmio,
442                         A3D_SLICE_VDBDest +
443                         ((((a->slice) << 0xb) + i) << 2), 0);
444         for (i = 0; i < 4; i++)
445                 hwwrite(vortex->mmio,
446                         A3D_SLICE_VDBSource +
447                         ((((a->slice) << 0xb) + i) << 2), 0);
448 }
449
450 /* Reset Single A3D source. */
451 static void a3dsrc_ZeroState(a3dsrc_t * a)
452 {
453         /*
454         pr_debug( "vortex: ZeroState slice: %d, source %d\n",
455                a->slice, a->source);
456         */
457         a3dsrc_SetAtmosState(a, 0, 0, 0, 0);
458         a3dsrc_SetHrtfState(a, A3dHrirZeros, A3dHrirZeros);
459         a3dsrc_SetItdDline(a, A3dItdDlineZeros);
460         a3dsrc_SetHrtfOutput(a, 0, 0);
461         a3dsrc_SetTimeConsts(a, 0, 0, 0, 0);
462
463         a3dsrc_SetAtmosCurrent(a, 0, 0, 0, 0, 0);
464         a3dsrc_SetAtmosTarget(a, 0, 0, 0, 0, 0);
465         a3dsrc_SetItdCurrent(a, 0, 0);
466         a3dsrc_SetItdTarget(a, 0, 0);
467         a3dsrc_SetGainCurrent(a, 0, 0);
468         a3dsrc_SetGainTarget(a, 0, 0);
469
470         a3dsrc_SetHrtfCurrent(a, A3dHrirZeros, A3dHrirZeros);
471         a3dsrc_SetHrtfTarget(a, A3dHrirZeros, A3dHrirZeros);
472 }
473
474 /* Reset entire A3D engine */
475 static void a3dsrc_ZeroStateA3D(a3dsrc_t *a, vortex_t *v)
476 {
477         int i, var, var2;
478
479         if ((a->vortex) == NULL) {
480                 dev_err(v->card->dev,
481                         "ZeroStateA3D: ERROR: a->vortex is NULL\n");
482                 return;
483         }
484
485         a3dsrc_SetA3DControlReg(a, 0);
486         a3dsrc_SetA3DPointerReg(a, 0);
487
488         var = a->slice;
489         var2 = a->source;
490         for (i = 0; i < 4; i++) {
491                 a->slice = i;
492                 a3dsrc_ZeroSliceIO(a);
493                 //a3dsrc_ZeroState(a);
494         }
495         a->source = var2;
496         a->slice = var;
497 }
498
499 /* Program A3D block as pass through */
500 static void a3dsrc_ProgramPipe(a3dsrc_t * a)
501 {
502         a3dsrc_SetTimeConsts(a, 0, 0, 0, 0);
503         a3dsrc_SetAtmosCurrent(a, 0, 0x4000, 0, 0, 0);
504         a3dsrc_SetAtmosTarget(a, 0x4000, 0, 0, 0, 0);
505         a3dsrc_SetItdCurrent(a, 0, 0);
506         a3dsrc_SetItdTarget(a, 0, 0);
507         a3dsrc_SetGainCurrent(a, 0x7fff, 0x7fff);
508         a3dsrc_SetGainTarget(a, 0x7fff, 0x7fff);
509
510         /* SET HRTF HERE */
511
512         /* Single spike leads to identity transfer function. */
513         a3dsrc_SetHrtfCurrent(a, A3dHrirImpulse, A3dHrirImpulse);
514         a3dsrc_SetHrtfTarget(a, A3dHrirImpulse, A3dHrirImpulse);
515
516         /* Test: Sounds saturated. */
517         //a3dsrc_SetHrtfCurrent(a, A3dHrirSatTest, A3dHrirSatTest);
518         //a3dsrc_SetHrtfTarget(a, A3dHrirSatTest, A3dHrirSatTest);      
519 }
520
521 /* VDB = Vortex audio Dataflow Bus */
522 #if 0
523 static void a3dsrc_ClearVDBData(a3dsrc_t * a, unsigned long aa)
524 {
525         vortex_t *vortex = (vortex_t *) (a->vortex);
526
527         // ((aa >> 2) << 8) - (aa >> 2)
528         hwwrite(vortex->mmio,
529                 a3d_addrS(a->slice, A3D_SLICE_VDBDest) + (a->source << 2), 0);
530         hwwrite(vortex->mmio,
531                 a3d_addrS(a->slice,
532                           A3D_SLICE_VDBDest + 4) + (a->source << 2), 0);
533         /*
534            hwwrite(vortex->mmio, 0x19c00 + (((aa>>2)*255*4)+aa)*8, 0);
535            hwwrite(vortex->mmio, 0x19c04 + (((aa>>2)*255*4)+aa)*8, 0);
536          */
537 }
538 #endif
539
540 /* A3D HwSource stuff. */
541
542 static void vortex_A3dSourceHw_Initialize(vortex_t * v, int source, int slice)
543 {
544         a3dsrc_t *a3dsrc = &(v->a3d[source + (slice * 4)]);
545         //a3dsrc_t *a3dsrc = &(v->a3d[source + (slice*4)]);
546
547         a3dsrc->vortex = (void *)v;
548         a3dsrc->source = source;        /* source */
549         a3dsrc->slice = slice;  /* slice */
550         a3dsrc_ZeroState(a3dsrc);
551         /* Added by me. */
552         a3dsrc_SetA3DSampleRate(a3dsrc, 0x11);
553 }
554
555 static int Vort3DRend_Initialize(vortex_t * v, unsigned short mode)
556 {
557         v->xt_mode = mode;      /* this_14 */
558
559         vortex_XtalkHw_init(v);
560         vortex_XtalkHw_SetGainsAllChan(v);
561         switch (v->xt_mode) {
562         case XT_SPEAKER0:
563                 vortex_XtalkHw_ProgramXtalkNarrow(v);
564                 break;
565         case XT_SPEAKER1:
566                 vortex_XtalkHw_ProgramXtalkWide(v);
567                 break;
568         default:
569         case XT_HEADPHONE:
570                 vortex_XtalkHw_ProgramPipe(v);
571                 break;
572         case XT_DIAMOND:
573                 vortex_XtalkHw_ProgramDiamondXtalk(v);
574                 break;
575         }
576         vortex_XtalkHw_SetSampleRate(v, 0x11);
577         vortex_XtalkHw_Enable(v);
578         return 0;
579 }
580
581 /* 3D Sound entry points. */
582
583 static int vortex_a3d_register_controls(vortex_t * vortex);
584 static void vortex_a3d_unregister_controls(vortex_t * vortex);
585 /* A3D base support init/shudown */
586 static void vortex_Vort3D_enable(vortex_t *v)
587 {
588         int i;
589
590         Vort3DRend_Initialize(v, XT_HEADPHONE);
591         for (i = 0; i < NR_A3D; i++) {
592                 vortex_A3dSourceHw_Initialize(v, i % 4, i >> 2);
593                 a3dsrc_ZeroStateA3D(&v->a3d[0], v);
594         }
595         /* Register ALSA controls */
596         vortex_a3d_register_controls(v);
597 }
598
599 static void vortex_Vort3D_disable(vortex_t * v)
600 {
601         vortex_XtalkHw_Disable(v);
602         vortex_a3d_unregister_controls(v);
603 }
604
605 /* Make A3D subsystem connections. */
606 static void vortex_Vort3D_connect(vortex_t * v, int en)
607 {
608         int i;
609         
610 // Disable AU8810 routes, since they seem to be wrong (in au8810.h).
611 #ifdef CHIP_AU8810
612         return;
613 #endif
614         
615 #if 1
616         /* Alloc Xtalk mixin resources */
617         v->mixxtlk[0] =
618             vortex_adb_checkinout(v, v->fixed_res, en, VORTEX_RESOURCE_MIXIN);
619         if (v->mixxtlk[0] < 0) {
620                 dev_warn(v->card->dev,
621                          "vortex_Vort3D: ERROR: not enough free mixer resources.\n");
622                 return;
623         }
624         v->mixxtlk[1] =
625             vortex_adb_checkinout(v, v->fixed_res, en, VORTEX_RESOURCE_MIXIN);
626         if (v->mixxtlk[1] < 0) {
627                 dev_warn(v->card->dev,
628                          "vortex_Vort3D: ERROR: not enough free mixer resources.\n");
629                 return;
630         }
631 #endif
632
633         /* Connect A3D -> XTALK */
634         for (i = 0; i < 4; i++) {
635                 // 2 outputs per each A3D slice. 
636                 vortex_route(v, en, 0x11, ADB_A3DOUT(i * 2), ADB_XTALKIN(i));
637                 vortex_route(v, en, 0x11, ADB_A3DOUT(i * 2) + 1, ADB_XTALKIN(5 + i));
638         }
639 #if 0
640         vortex_route(v, en, 0x11, ADB_XTALKOUT(0), ADB_EQIN(2));
641         vortex_route(v, en, 0x11, ADB_XTALKOUT(1), ADB_EQIN(3));
642 #else
643         /* Connect XTalk -> mixer */
644         vortex_route(v, en, 0x11, ADB_XTALKOUT(0), ADB_MIXIN(v->mixxtlk[0]));
645         vortex_route(v, en, 0x11, ADB_XTALKOUT(1), ADB_MIXIN(v->mixxtlk[1]));
646         vortex_connection_mixin_mix(v, en, v->mixxtlk[0], v->mixplayb[0], 0);
647         vortex_connection_mixin_mix(v, en, v->mixxtlk[1], v->mixplayb[1], 0);
648         vortex_mix_setinputvolumebyte(v, v->mixplayb[0], v->mixxtlk[0],
649                                       en ? MIX_DEFIGAIN : VOL_MIN);
650         vortex_mix_setinputvolumebyte(v, v->mixplayb[1], v->mixxtlk[1],
651                                       en ? MIX_DEFIGAIN : VOL_MIN);
652         if (VORTEX_IS_QUAD(v)) {
653                 vortex_connection_mixin_mix(v, en, v->mixxtlk[0],
654                                             v->mixplayb[2], 0);
655                 vortex_connection_mixin_mix(v, en, v->mixxtlk[1],
656                                             v->mixplayb[3], 0);
657                 vortex_mix_setinputvolumebyte(v, v->mixplayb[2],
658                                               v->mixxtlk[0],
659                                               en ? MIX_DEFIGAIN : VOL_MIN);
660                 vortex_mix_setinputvolumebyte(v, v->mixplayb[3],
661                                               v->mixxtlk[1],
662                                               en ? MIX_DEFIGAIN : VOL_MIN);
663         }
664 #endif
665 }
666
667 /* Initialize one single A3D source. */
668 static void vortex_Vort3D_InitializeSource(a3dsrc_t *a, int en, vortex_t *v)
669 {
670         if (a->vortex == NULL) {
671                 dev_warn(v->card->dev,
672                          "Vort3D_InitializeSource: A3D source not initialized\n");
673                 return;
674         }
675         if (en) {
676                 a3dsrc_ProgramPipe(a);
677                 a3dsrc_SetA3DSampleRate(a, 0x11);
678                 a3dsrc_SetTimeConsts(a, HrtfTCDefault,
679                                      ItdTCDefault, GainTCDefault,
680                                      CoefTCDefault);
681                 /* Remark: zero gain is muted. */
682                 //a3dsrc_SetGainTarget(a,0,0);
683                 //a3dsrc_SetGainCurrent(a,0,0);
684                 a3dsrc_EnableA3D(a);
685         } else {
686                 a3dsrc_DisableA3D(a);
687                 a3dsrc_ZeroState(a);
688         }
689 }
690
691 /* Conversion of coordinates into 3D parameters. */
692
693 static void vortex_a3d_coord2hrtf(a3d_Hrtf_t hrtf, int *coord)
694 {
695         /* FIXME: implement this. */
696
697 }
698 static void vortex_a3d_coord2itd(a3d_Itd_t itd, int *coord)
699 {
700         /* FIXME: implement this. */
701
702 }
703 static void vortex_a3d_coord2ild(a3d_LRGains_t ild, int left, int right)
704 {
705         /* FIXME: implement this. */
706
707 }
708 static void vortex_a3d_translate_filter(a3d_atmos_t filter, int *params)
709 {
710         /* FIXME: implement this. */
711
712 }
713
714 /* ALSA control interface.  */
715
716 static int
717 snd_vortex_a3d_hrtf_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
718 {
719         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
720         uinfo->count = 6;
721         uinfo->value.integer.min = 0x00000000;
722         uinfo->value.integer.max = 0xffffffff;
723         return 0;
724 }
725 static int
726 snd_vortex_a3d_itd_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
727 {
728         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
729         uinfo->count = 2;
730         uinfo->value.integer.min = 0x00000000;
731         uinfo->value.integer.max = 0xffffffff;
732         return 0;
733 }
734 static int
735 snd_vortex_a3d_ild_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
736 {
737         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
738         uinfo->count = 2;
739         uinfo->value.integer.min = 0x00000000;
740         uinfo->value.integer.max = 0xffffffff;
741         return 0;
742 }
743 static int
744 snd_vortex_a3d_filter_info(struct snd_kcontrol *kcontrol,
745                            struct snd_ctl_elem_info *uinfo)
746 {
747         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
748         uinfo->count = 4;
749         uinfo->value.integer.min = 0x00000000;
750         uinfo->value.integer.max = 0xffffffff;
751         return 0;
752 }
753
754 static int
755 snd_vortex_a3d_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
756 {
757         //a3dsrc_t *a = kcontrol->private_data;
758         /* No read yet. Would this be really useable/needed ? */
759
760         return 0;
761 }
762
763 static int
764 snd_vortex_a3d_hrtf_put(struct snd_kcontrol *kcontrol,
765                         struct snd_ctl_elem_value *ucontrol)
766 {
767         a3dsrc_t *a = kcontrol->private_data;
768         int i;
769         int coord[6];
770         for (i = 0; i < 6; i++)
771                 coord[i] = ucontrol->value.integer.value[i];
772         /* Translate orientation coordinates to a3d params. */
773         vortex_a3d_coord2hrtf(a->hrtf[0], coord);
774         vortex_a3d_coord2hrtf(a->hrtf[1], coord);
775         a3dsrc_SetHrtfTarget(a, a->hrtf[0], a->hrtf[1]);
776         a3dsrc_SetHrtfCurrent(a, a->hrtf[0], a->hrtf[1]);
777         return 1;
778 }
779
780 static int
781 snd_vortex_a3d_itd_put(struct snd_kcontrol *kcontrol,
782                        struct snd_ctl_elem_value *ucontrol)
783 {
784         a3dsrc_t *a = kcontrol->private_data;
785         int coord[6];
786         int i;
787         for (i = 0; i < 6; i++)
788                 coord[i] = ucontrol->value.integer.value[i];
789         /* Translate orientation coordinates to a3d params. */
790         vortex_a3d_coord2itd(a->hrtf[0], coord);
791         vortex_a3d_coord2itd(a->hrtf[1], coord);
792         /* Inter aural time difference. */
793         a3dsrc_SetItdTarget(a, a->itd[0], a->itd[1]);
794         a3dsrc_SetItdCurrent(a, a->itd[0], a->itd[1]);
795         a3dsrc_SetItdDline(a, a->dline);
796         return 1;
797 }
798
799 static int
800 snd_vortex_a3d_ild_put(struct snd_kcontrol *kcontrol,
801                        struct snd_ctl_elem_value *ucontrol)
802 {
803         a3dsrc_t *a = kcontrol->private_data;
804         int l, r;
805         /* There may be some scale tranlation needed here. */
806         l = ucontrol->value.integer.value[0];
807         r = ucontrol->value.integer.value[1];
808         vortex_a3d_coord2ild(a->ild, l, r);
809         /* Left Right panning. */
810         a3dsrc_SetGainTarget(a, l, r);
811         a3dsrc_SetGainCurrent(a, l, r);
812         return 1;
813 }
814
815 static int
816 snd_vortex_a3d_filter_put(struct snd_kcontrol *kcontrol,
817                           struct snd_ctl_elem_value *ucontrol)
818 {
819         a3dsrc_t *a = kcontrol->private_data;
820         int i;
821         int params[6];
822         for (i = 0; i < 6; i++)
823                 params[i] = ucontrol->value.integer.value[i];
824         /* Translate generic filter params to a3d filter params. */
825         vortex_a3d_translate_filter(a->filter, params);
826         /* Atmospheric absorption and filtering. */
827         a3dsrc_SetAtmosTarget(a, a->filter[0],
828                               a->filter[1], a->filter[2],
829                               a->filter[3], a->filter[4]);
830         a3dsrc_SetAtmosCurrent(a, a->filter[0],
831                                a->filter[1], a->filter[2],
832                                a->filter[3], a->filter[4]);
833         return 1;
834 }
835
836 static const struct snd_kcontrol_new vortex_a3d_kcontrol = {
837         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
838         .name = "Playback PCM advanced processing",
839         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
840         .info = snd_vortex_a3d_hrtf_info,
841         .get = snd_vortex_a3d_get,
842         .put = snd_vortex_a3d_hrtf_put,
843 };
844
845 /* Control (un)registration. */
846 static int vortex_a3d_register_controls(vortex_t *vortex)
847 {
848         struct snd_kcontrol *kcontrol;
849         int err, i;
850         /* HRTF controls. */
851         for (i = 0; i < NR_A3D; i++) {
852                 if ((kcontrol =
853                      snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
854                         return -ENOMEM;
855                 kcontrol->id.numid = CTRLID_HRTF;
856                 kcontrol->info = snd_vortex_a3d_hrtf_info;
857                 kcontrol->put = snd_vortex_a3d_hrtf_put;
858                 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
859                         return err;
860         }
861         /* ITD 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_ITD;
867                 kcontrol->info = snd_vortex_a3d_itd_info;
868                 kcontrol->put = snd_vortex_a3d_itd_put;
869                 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
870                         return err;
871         }
872         /* ILD (gains) 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_GAINS;
878                 kcontrol->info = snd_vortex_a3d_ild_info;
879                 kcontrol->put = snd_vortex_a3d_ild_put;
880                 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
881                         return err;
882         }
883         /* Filter 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_FILTER;
889                 kcontrol->info = snd_vortex_a3d_filter_info;
890                 kcontrol->put = snd_vortex_a3d_filter_put;
891                 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
892                         return err;
893         }
894         return 0;
895 }
896
897 static void vortex_a3d_unregister_controls(vortex_t * vortex)
898 {
899
900 }
901
902 /* End of File*/