Linux-libre 3.16.85-gnu
[librecmc/linux-libre.git] / 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 absorption. */
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(KERN_DEBUG "vortex: ZeroState slice: %d, source %d\n",
467                a->slice, a->source);
468         */
469         a3dsrc_SetAtmosState(a, 0, 0, 0, 0);
470         a3dsrc_SetHrtfState(a, A3dHrirZeros, A3dHrirZeros);
471         a3dsrc_SetItdDline(a, A3dItdDlineZeros);
472         a3dsrc_SetHrtfOutput(a, 0, 0);
473         a3dsrc_SetTimeConsts(a, 0, 0, 0, 0);
474
475         a3dsrc_SetAtmosCurrent(a, 0, 0, 0, 0, 0);
476         a3dsrc_SetAtmosTarget(a, 0, 0, 0, 0, 0);
477         a3dsrc_SetItdCurrent(a, 0, 0);
478         a3dsrc_SetItdTarget(a, 0, 0);
479         a3dsrc_SetGainCurrent(a, 0, 0);
480         a3dsrc_SetGainTarget(a, 0, 0);
481
482         a3dsrc_SetHrtfCurrent(a, A3dHrirZeros, A3dHrirZeros);
483         a3dsrc_SetHrtfTarget(a, A3dHrirZeros, A3dHrirZeros);
484 }
485
486 /* Reset entire A3D engine */
487 static void a3dsrc_ZeroStateA3D(a3dsrc_t * a)
488 {
489         int i, var, var2;
490
491         if ((a->vortex) == NULL) {
492                 printk(KERN_ERR "vortex: ZeroStateA3D: ERROR: a->vortex is NULL\n");
493                 return;
494         }
495
496         a3dsrc_SetA3DControlReg(a, 0);
497         a3dsrc_SetA3DPointerReg(a, 0);
498
499         var = a->slice;
500         var2 = a->source;
501         for (i = 0; i < 4; i++) {
502                 a->slice = i;
503                 a3dsrc_ZeroSliceIO(a);
504                 //a3dsrc_ZeroState(a);
505         }
506         a->source = var2;
507         a->slice = var;
508 }
509
510 /* Program A3D block as pass through */
511 static void a3dsrc_ProgramPipe(a3dsrc_t * a)
512 {
513         a3dsrc_SetTimeConsts(a, 0, 0, 0, 0);
514         a3dsrc_SetAtmosCurrent(a, 0, 0x4000, 0, 0, 0);
515         a3dsrc_SetAtmosTarget(a, 0x4000, 0, 0, 0, 0);
516         a3dsrc_SetItdCurrent(a, 0, 0);
517         a3dsrc_SetItdTarget(a, 0, 0);
518         a3dsrc_SetGainCurrent(a, 0x7fff, 0x7fff);
519         a3dsrc_SetGainTarget(a, 0x7fff, 0x7fff);
520
521         /* SET HRTF HERE */
522
523         /* Single spike leads to identity transfer function. */
524         a3dsrc_SetHrtfCurrent(a, A3dHrirImpulse, A3dHrirImpulse);
525         a3dsrc_SetHrtfTarget(a, A3dHrirImpulse, A3dHrirImpulse);
526
527         /* Test: Sounds saturated. */
528         //a3dsrc_SetHrtfCurrent(a, A3dHrirSatTest, A3dHrirSatTest);
529         //a3dsrc_SetHrtfTarget(a, A3dHrirSatTest, A3dHrirSatTest);      
530 }
531
532 /* VDB = Vortex audio Dataflow Bus */
533 #if 0
534 static void a3dsrc_ClearVDBData(a3dsrc_t * a, unsigned long aa)
535 {
536         vortex_t *vortex = (vortex_t *) (a->vortex);
537
538         // ((aa >> 2) << 8) - (aa >> 2)
539         hwwrite(vortex->mmio,
540                 a3d_addrS(a->slice, A3D_SLICE_VDBDest) + (a->source << 2), 0);
541         hwwrite(vortex->mmio,
542                 a3d_addrS(a->slice,
543                           A3D_SLICE_VDBDest + 4) + (a->source << 2), 0);
544         /*
545            hwwrite(vortex->mmio, 0x19c00 + (((aa>>2)*255*4)+aa)*8, 0);
546            hwwrite(vortex->mmio, 0x19c04 + (((aa>>2)*255*4)+aa)*8, 0);
547          */
548 }
549 #endif
550
551 /* A3D HwSource stuff. */
552
553 static void vortex_A3dSourceHw_Initialize(vortex_t * v, int source, int slice)
554 {
555         a3dsrc_t *a3dsrc = &(v->a3d[source + (slice * 4)]);
556         //a3dsrc_t *a3dsrc = &(v->a3d[source + (slice*4)]);
557
558         a3dsrc->vortex = (void *)v;
559         a3dsrc->source = source;        /* source */
560         a3dsrc->slice = slice;  /* slice */
561         a3dsrc_ZeroState(a3dsrc);
562         /* Added by me. */
563         a3dsrc_SetA3DSampleRate(a3dsrc, 0x11);
564 }
565
566 static int Vort3DRend_Initialize(vortex_t * v, unsigned short mode)
567 {
568         v->xt_mode = mode;      /* this_14 */
569
570         vortex_XtalkHw_init(v);
571         vortex_XtalkHw_SetGainsAllChan(v);
572         switch (v->xt_mode) {
573         case XT_SPEAKER0:
574                 vortex_XtalkHw_ProgramXtalkNarrow(v);
575                 break;
576         case XT_SPEAKER1:
577                 vortex_XtalkHw_ProgramXtalkWide(v);
578                 break;
579         default:
580         case XT_HEADPHONE:
581                 vortex_XtalkHw_ProgramPipe(v);
582                 break;
583         case XT_DIAMOND:
584                 vortex_XtalkHw_ProgramDiamondXtalk(v);
585                 break;
586         }
587         vortex_XtalkHw_SetSampleRate(v, 0x11);
588         vortex_XtalkHw_Enable(v);
589         return 0;
590 }
591
592 /* 3D Sound entry points. */
593
594 static int vortex_a3d_register_controls(vortex_t * vortex);
595 static void vortex_a3d_unregister_controls(vortex_t * vortex);
596 /* A3D base support init/shudown */
597 static void vortex_Vort3D_enable(vortex_t *v)
598 {
599         int i;
600
601         Vort3DRend_Initialize(v, XT_HEADPHONE);
602         for (i = 0; i < NR_A3D; i++) {
603                 vortex_A3dSourceHw_Initialize(v, i % 4, i >> 2);
604                 a3dsrc_ZeroStateA3D(&(v->a3d[0]));
605         }
606         /* Register ALSA controls */
607         vortex_a3d_register_controls(v);
608 }
609
610 static void vortex_Vort3D_disable(vortex_t * v)
611 {
612         vortex_XtalkHw_Disable(v);
613         vortex_a3d_unregister_controls(v);
614 }
615
616 /* Make A3D subsystem connections. */
617 static void vortex_Vort3D_connect(vortex_t * v, int en)
618 {
619         int i;
620         
621 // Disable AU8810 routes, since they seem to be wrong (in au8810.h).
622 #ifdef CHIP_AU8810
623         return;
624 #endif
625         
626 #if 1
627         /* Alloc Xtalk mixin resources */
628         v->mixxtlk[0] =
629             vortex_adb_checkinout(v, v->fixed_res, en, VORTEX_RESOURCE_MIXIN);
630         if (v->mixxtlk[0] < 0) {
631                 printk
632                     ("vortex: vortex_Vort3D: ERROR: not enough free mixer resources.\n");
633                 return;
634         }
635         v->mixxtlk[1] =
636             vortex_adb_checkinout(v, v->fixed_res, en, VORTEX_RESOURCE_MIXIN);
637         if (v->mixxtlk[1] < 0) {
638                 printk
639                     ("vortex: vortex_Vort3D: ERROR: not enough free mixer resources.\n");
640                 return;
641         }
642 #endif
643
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));
649         }
650 #if 0
651         vortex_route(v, en, 0x11, ADB_XTALKOUT(0), ADB_EQIN(2));
652         vortex_route(v, en, 0x11, ADB_XTALKOUT(1), ADB_EQIN(3));
653 #else
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],
665                                             v->mixplayb[2], 0);
666                 vortex_connection_mixin_mix(v, en, v->mixxtlk[1],
667                                             v->mixplayb[3], 0);
668                 vortex_mix_setinputvolumebyte(v, v->mixplayb[2],
669                                               v->mixxtlk[0],
670                                               en ? MIX_DEFIGAIN : VOL_MIN);
671                 vortex_mix_setinputvolumebyte(v, v->mixplayb[3],
672                                               v->mixxtlk[1],
673                                               en ? MIX_DEFIGAIN : VOL_MIN);
674         }
675 #endif
676 }
677
678 /* Initialize one single A3D source. */
679 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en)
680 {
681         if (a->vortex == NULL) {
682                 printk
683                     ("vortex: Vort3D_InitializeSource: A3D source not initialized\n");
684                 return;
685         }
686         if (en) {
687                 a3dsrc_ProgramPipe(a);
688                 a3dsrc_SetA3DSampleRate(a, 0x11);
689                 a3dsrc_SetTimeConsts(a, HrtfTCDefault,
690                                      ItdTCDefault, GainTCDefault,
691                                      CoefTCDefault);
692                 /* Remark: zero gain is muted. */
693                 //a3dsrc_SetGainTarget(a,0,0);
694                 //a3dsrc_SetGainCurrent(a,0,0);
695                 a3dsrc_EnableA3D(a);
696         } else {
697                 a3dsrc_DisableA3D(a);
698                 a3dsrc_ZeroState(a);
699         }
700 }
701
702 /* Conversion of coordinates into 3D parameters. */
703
704 static void vortex_a3d_coord2hrtf(a3d_Hrtf_t hrtf, int *coord)
705 {
706         /* FIXME: implement this. */
707
708 }
709 static void vortex_a3d_coord2itd(a3d_Itd_t itd, int *coord)
710 {
711         /* FIXME: implement this. */
712
713 }
714 static void vortex_a3d_coord2ild(a3d_LRGains_t ild, int left, int right)
715 {
716         /* FIXME: implement this. */
717
718 }
719 static void vortex_a3d_translate_filter(a3d_atmos_t filter, int *params)
720 {
721         /* FIXME: implement this. */
722
723 }
724
725 /* ALSA control interface.  */
726
727 static int
728 snd_vortex_a3d_hrtf_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
729 {
730         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
731         uinfo->count = 6;
732         uinfo->value.integer.min = 0x00000000;
733         uinfo->value.integer.max = 0xffffffff;
734         return 0;
735 }
736 static int
737 snd_vortex_a3d_itd_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
738 {
739         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
740         uinfo->count = 2;
741         uinfo->value.integer.min = 0x00000000;
742         uinfo->value.integer.max = 0xffffffff;
743         return 0;
744 }
745 static int
746 snd_vortex_a3d_ild_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
747 {
748         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
749         uinfo->count = 2;
750         uinfo->value.integer.min = 0x00000000;
751         uinfo->value.integer.max = 0xffffffff;
752         return 0;
753 }
754 static int
755 snd_vortex_a3d_filter_info(struct snd_kcontrol *kcontrol,
756                            struct snd_ctl_elem_info *uinfo)
757 {
758         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
759         uinfo->count = 4;
760         uinfo->value.integer.min = 0x00000000;
761         uinfo->value.integer.max = 0xffffffff;
762         return 0;
763 }
764
765 static int
766 snd_vortex_a3d_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
767 {
768         //a3dsrc_t *a = kcontrol->private_data;
769         /* No read yet. Would this be really useable/needed ? */
770
771         return 0;
772 }
773
774 static int
775 snd_vortex_a3d_hrtf_put(struct snd_kcontrol *kcontrol,
776                         struct snd_ctl_elem_value *ucontrol)
777 {
778         a3dsrc_t *a = kcontrol->private_data;
779         int changed = 1, i;
780         int coord[6];
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]);
788         return changed;
789 }
790
791 static int
792 snd_vortex_a3d_itd_put(struct snd_kcontrol *kcontrol,
793                        struct snd_ctl_elem_value *ucontrol)
794 {
795         a3dsrc_t *a = kcontrol->private_data;
796         int coord[6];
797         int i, changed = 1;
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);
807         return changed;
808 }
809
810 static int
811 snd_vortex_a3d_ild_put(struct snd_kcontrol *kcontrol,
812                        struct snd_ctl_elem_value *ucontrol)
813 {
814         a3dsrc_t *a = kcontrol->private_data;
815         int changed = 1;
816         int l, r;
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);
824         return changed;
825 }
826
827 static int
828 snd_vortex_a3d_filter_put(struct snd_kcontrol *kcontrol,
829                           struct snd_ctl_elem_value *ucontrol)
830 {
831         a3dsrc_t *a = kcontrol->private_data;
832         int i, changed = 1;
833         int params[6];
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 absorption 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]);
845         return changed;
846 }
847
848 static struct snd_kcontrol_new vortex_a3d_kcontrol = {
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,
855 };
856
857 /* Control (un)registration. */
858 static int vortex_a3d_register_controls(vortex_t *vortex)
859 {
860         struct snd_kcontrol *kcontrol;
861         int err, i;
862         /* HRTF controls. */
863         for (i = 0; i < NR_A3D; i++) {
864                 if ((kcontrol =
865                      snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
866                         return -ENOMEM;
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)
871                         return err;
872         }
873         /* ITD controls. */
874         for (i = 0; i < NR_A3D; i++) {
875                 if ((kcontrol =
876                      snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
877                         return -ENOMEM;
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)
882                         return err;
883         }
884         /* ILD (gains) controls. */
885         for (i = 0; i < NR_A3D; i++) {
886                 if ((kcontrol =
887                      snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
888                         return -ENOMEM;
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)
893                         return err;
894         }
895         /* Filter controls. */
896         for (i = 0; i < NR_A3D; i++) {
897                 if ((kcontrol =
898                      snd_ctl_new1(&vortex_a3d_kcontrol, &vortex->a3d[i])) == NULL)
899                         return -ENOMEM;
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)
904                         return err;
905         }
906         return 0;
907 }
908
909 static void vortex_a3d_unregister_controls(vortex_t * vortex)
910 {
911
912 }
913
914 /* End of File*/