xref: /linux/sound/pci/au88x0/au88x0_a3d.c (revision 60e13231561b3a4c5269bfa1ef6c0569ad6f28ec)
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 __devinit 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 __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,
855 };
856 
857 /* Control (un)registration. */
858 static int __devinit 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*/
915