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Linux-2.6.12-rc2
[linux-2.6/next.git] / sound / pci / au88x0 / au88x0_eq.c
blob53b47a42c7d805ac663f88f3402de7d7f577b95e
1 /***************************************************************************
2 * au88x0_eq.c
3 * Aureal Vortex Hardware EQ control/access.
4 *
5 * Sun Jun 8 18:19:19 2003
6 * 2003 Manuel Jander (mjander@users.sourceforge.net)
7 *
8 * 02 July 2003: First time something works :)
9 * November 2003: A3D Bypass code completed but untested.
10 *
11 * TODO:
12 * - Debug (testing)
13 * - Test peak visualization support.
14 *
15 ****************************************************************************/
16
17 /*
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
22 *
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU Library General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
31 */
32
33 /*
34 The Aureal Hardware EQ is found on AU8810 and AU8830 chips only.
35 it has 4 inputs (2 for general mix, 2 for A3D) and 2 outputs (supposed
36 to be routed to the codec).
37 */
38
39 #include "au88x0.h"
40 #include "au88x0_eq.h"
41 #include "au88x0_eqdata.c"
42
43 #define VORTEX_EQ_BASE 0x2b000
44 #define VORTEX_EQ_DEST (VORTEX_EQ_BASE + 0x410)
45 #define VORTEX_EQ_SOURCE (VORTEX_EQ_BASE + 0x430)
46 #define VORTEX_EQ_CTRL (VORTEX_EQ_BASE + 0x440)
47
48 #define VORTEX_BAND_COEFF_SIZE 0x30
49
50 /* CEqHw.s */
51 static void vortex_EqHw_SetTimeConsts(vortex_t * vortex, u16 gain, u16 level)
52 {
53 hwwrite(vortex->mmio, 0x2b3c4, gain);
54 hwwrite(vortex->mmio, 0x2b3c8, level);
55 }
56
57 static inline u16 sign_invert(u16 a)
58 {
59 /* -(-32768) -> -32768 so we do -(-32768) -> 32767 to make the result positive */
60 if (a == (u16)-32768)
61 return 32767;
62 else
63 return -a;
64 }
65
66 static void vortex_EqHw_SetLeftCoefs(vortex_t * vortex, u16 coefs[])
67 {
68 eqhw_t *eqhw = &(vortex->eq.this04);
69 int i = 0, n /*esp2c */;
70
71 for (n = 0; n < eqhw->this04; n++) {
72 hwwrite(vortex->mmio, 0x2b000 + n * 0x30, coefs[i + 0]);
73 hwwrite(vortex->mmio, 0x2b004 + n * 0x30, coefs[i + 1]);
74
75 if (eqhw->this08 == 0) {
76 hwwrite(vortex->mmio, 0x2b008 + n * 0x30, coefs[i + 2]);
77 hwwrite(vortex->mmio, 0x2b00c + n * 0x30, coefs[i + 3]);
78 hwwrite(vortex->mmio, 0x2b010 + n * 0x30, coefs[i + 4]);
79 } else {
80 hwwrite(vortex->mmio, 0x2b008 + n * 0x30, sign_invert(coefs[2 + i]));
81 hwwrite(vortex->mmio, 0x2b00c + n * 0x30, sign_invert(coefs[3 + i]));
82 hwwrite(vortex->mmio, 0x2b010 + n * 0x30, sign_invert(coefs[4 + i]));
83 }
84 i += 5;
85 }
86 }
87
88 static void vortex_EqHw_SetRightCoefs(vortex_t * vortex, u16 coefs[])
89 {
90 eqhw_t *eqhw = &(vortex->eq.this04);
91 int i = 0, n /*esp2c */;
92
93 for (n = 0; n < eqhw->this04; n++) {
94 hwwrite(vortex->mmio, 0x2b1e0 + n * 0x30, coefs[0 + i]);
95 hwwrite(vortex->mmio, 0x2b1e4 + n * 0x30, coefs[1 + i]);
96
97 if (eqhw->this08 == 0) {
98 hwwrite(vortex->mmio, 0x2b1e8 + n * 0x30, coefs[2 + i]);
99 hwwrite(vortex->mmio, 0x2b1ec + n * 0x30, coefs[3 + i]);
100 hwwrite(vortex->mmio, 0x2b1f0 + n * 0x30, coefs[4 + i]);
101 } else {
102 hwwrite(vortex->mmio, 0x2b1e8 + n * 0x30, sign_invert(coefs[2 + i]));
103 hwwrite(vortex->mmio, 0x2b1ec + n * 0x30, sign_invert(coefs[3 + i]));
104 hwwrite(vortex->mmio, 0x2b1f0 + n * 0x30, sign_invert(coefs[4 + i]));
105 }
106 i += 5;
107 }
108
109 }
110
111 static void vortex_EqHw_SetLeftStates(vortex_t * vortex, u16 a[], u16 b[])
112 {
113 eqhw_t *eqhw = &(vortex->eq.this04);
114 int i = 0, ebx;
115
116 hwwrite(vortex->mmio, 0x2b3fc, a[0]);
117 hwwrite(vortex->mmio, 0x2b400, a[1]);
118
119 for (ebx = 0; ebx < eqhw->this04; ebx++) {
120 hwwrite(vortex->mmio, 0x2b014 + (i * 0xc), b[i]);
121 hwwrite(vortex->mmio, 0x2b018 + (i * 0xc), b[1 + i]);
122 hwwrite(vortex->mmio, 0x2b01c + (i * 0xc), b[2 + i]);
123 hwwrite(vortex->mmio, 0x2b020 + (i * 0xc), b[3 + i]);
124 i += 4;
125 }
126 }
127
128 static void vortex_EqHw_SetRightStates(vortex_t * vortex, u16 a[], u16 b[])
129 {
130 eqhw_t *eqhw = &(vortex->eq.this04);
131 int i = 0, ebx;
132
133 hwwrite(vortex->mmio, 0x2b404, a[0]);
134 hwwrite(vortex->mmio, 0x2b408, a[1]);
135
136 for (ebx = 0; ebx < eqhw->this04; ebx++) {
137 hwwrite(vortex->mmio, 0x2b1f4 + (i * 0xc), b[i]);
138 hwwrite(vortex->mmio, 0x2b1f8 + (i * 0xc), b[1 + i]);
139 hwwrite(vortex->mmio, 0x2b1fc + (i * 0xc), b[2 + i]);
140 hwwrite(vortex->mmio, 0x2b200 + (i * 0xc), b[3 + i]);
141 i += 4;
142 }
143 }
144
145 #if 0
146 static void vortex_EqHw_GetTimeConsts(vortex_t * vortex, u16 * a, u16 * b)
147 {
148 *a = hwread(vortex->mmio, 0x2b3c4);
149 *b = hwread(vortex->mmio, 0x2b3c8);
150 }
151
152 static void vortex_EqHw_GetLeftCoefs(vortex_t * vortex, u16 a[])
153 {
154
155 }
156
157 static void vortex_EqHw_GetRightCoefs(vortex_t * vortex, u16 a[])
158 {
159
160 }
161
162 static void vortex_EqHw_GetLeftStates(vortex_t * vortex, u16 * a, u16 b[])
163 {
164
165 }
166
167 static void vortex_EqHw_GetRightStates(vortex_t * vortex, u16 * a, u16 b[])
168 {
169
170 }
171
172 #endif
173 /* Mix Gains */
174 static void vortex_EqHw_SetBypassGain(vortex_t * vortex, u16 a, u16 b)
175 {
176 eqhw_t *eqhw = &(vortex->eq.this04);
177 if (eqhw->this08 == 0) {
178 hwwrite(vortex->mmio, 0x2b3d4, a);
179 hwwrite(vortex->mmio, 0x2b3ec, b);
180 } else {
181 hwwrite(vortex->mmio, 0x2b3d4, sign_invert(a));
182 hwwrite(vortex->mmio, 0x2b3ec, sign_invert(b));
183 }
184 }
185
186 static void vortex_EqHw_SetA3DBypassGain(vortex_t * vortex, u16 a, u16 b)
187 {
188
189 hwwrite(vortex->mmio, 0x2b3e0, a);
190 hwwrite(vortex->mmio, 0x2b3f8, b);
191 }
192
193 #if 0
194 static void vortex_EqHw_SetCurrBypassGain(vortex_t * vortex, u16 a, u16 b)
195 {
196
197 hwwrite(vortex->mmio, 0x2b3d0, a);
198 hwwrite(vortex->mmio, 0x2b3e8, b);
199 }
200
201 static void vortex_EqHw_SetCurrA3DBypassGain(vortex_t * vortex, u16 a, u16 b)
202 {
203
204 hwwrite(vortex->mmio, 0x2b3dc, a);
205 hwwrite(vortex->mmio, 0x2b3f4, b);
206 }
207
208 #endif
209 static void
210 vortex_EqHw_SetLeftGainsSingleTarget(vortex_t * vortex, u16 index, u16 b)
211 {
212 hwwrite(vortex->mmio, 0x2b02c + (index * 0x30), b);
213 }
214
215 static void
216 vortex_EqHw_SetRightGainsSingleTarget(vortex_t * vortex, u16 index, u16 b)
217 {
218 hwwrite(vortex->mmio, 0x2b20c + (index * 0x30), b);
219 }
220
221 static void vortex_EqHw_SetLeftGainsTarget(vortex_t * vortex, u16 a[])
222 {
223 eqhw_t *eqhw = &(vortex->eq.this04);
224 int ebx;
225
226 for (ebx = 0; ebx < eqhw->this04; ebx++) {
227 hwwrite(vortex->mmio, 0x2b02c + ebx * 0x30, a[ebx]);
228 }
229 }
230
231 static void vortex_EqHw_SetRightGainsTarget(vortex_t * vortex, u16 a[])
232 {
233 eqhw_t *eqhw = &(vortex->eq.this04);
234 int ebx;
235
236 for (ebx = 0; ebx < eqhw->this04; ebx++) {
237 hwwrite(vortex->mmio, 0x2b20c + ebx * 0x30, a[ebx]);
238 }
239 }
240
241 static void vortex_EqHw_SetLeftGainsCurrent(vortex_t * vortex, u16 a[])
242 {
243 eqhw_t *eqhw = &(vortex->eq.this04);
244 int ebx;
245
246 for (ebx = 0; ebx < eqhw->this04; ebx++) {
247 hwwrite(vortex->mmio, 0x2b028 + ebx * 0x30, a[ebx]);
248 }
249 }
250
251 static void vortex_EqHw_SetRightGainsCurrent(vortex_t * vortex, u16 a[])
252 {
253 eqhw_t *eqhw = &(vortex->eq.this04);
254 int ebx;
255
256 for (ebx = 0; ebx < eqhw->this04; ebx++) {
257 hwwrite(vortex->mmio, 0x2b208 + ebx * 0x30, a[ebx]);
258 }
259 }
260
261 #if 0
262 static void vortex_EqHw_GetLeftGainsTarget(vortex_t * vortex, u16 a[])
263 {
264 eqhw_t *eqhw = &(vortex->eq.this04);
265 int ebx = 0;
266
267 if (eqhw->this04 < 0)
268 return;
269
270 do {
271 a[ebx] = hwread(vortex->mmio, 0x2b02c + ebx * 0x30);
272 ebx++;
273 }
274 while (ebx < eqhw->this04);
275 }
276
277 static void vortex_EqHw_GetRightGainsTarget(vortex_t * vortex, u16 a[])
278 {
279 eqhw_t *eqhw = &(vortex->eq.this04);
280 int ebx = 0;
281
282 if (eqhw->this04 < 0)
283 return;
284
285 do {
286 a[ebx] = hwread(vortex->mmio, 0x2b20c + ebx * 0x30);
287 ebx++;
288 }
289 while (ebx < eqhw->this04);
290 }
291
292 static void vortex_EqHw_GetLeftGainsCurrent(vortex_t * vortex, u16 a[])
293 {
294 eqhw_t *eqhw = &(vortex->eq.this04);
295 int ebx = 0;
296
297 if (eqhw->this04 < 0)
298 return;
299
300 do {
301 a[ebx] = hwread(vortex->mmio, 0x2b028 + ebx * 0x30);
302 ebx++;
303 }
304 while (ebx < eqhw->this04);
305 }
306
307 static void vortex_EqHw_GetRightGainsCurrent(vortex_t * vortex, u16 a[])
308 {
309 eqhw_t *eqhw = &(vortex->eq.this04);
310 int ebx = 0;
311
312 if (eqhw->this04 < 0)
313 return;
314
315 do {
316 a[ebx] = hwread(vortex->mmio, 0x2b208 + ebx * 0x30);
317 ebx++;
318 }
319 while (ebx < eqhw->this04);
320 }
321
322 #endif
323 /* EQ band levels settings */
324 static void vortex_EqHw_SetLevels(vortex_t * vortex, u16 peaks[])
325 {
326 eqhw_t *eqhw = &(vortex->eq.this04);
327 int i;
328
329 /* set left peaks */
330 for (i = 0; i < eqhw->this04; i++) {
331 hwwrite(vortex->mmio, 0x2b024 + i * VORTEX_BAND_COEFF_SIZE, peaks[i]);
332 }
333
334 hwwrite(vortex->mmio, 0x2b3cc, peaks[eqhw->this04]);
335 hwwrite(vortex->mmio, 0x2b3d8, peaks[eqhw->this04 + 1]);
336
337 /* set right peaks */
338 for (i = 0; i < eqhw->this04; i++) {
339 hwwrite(vortex->mmio, 0x2b204 + i * VORTEX_BAND_COEFF_SIZE,
340 peaks[i + (eqhw->this04 + 2)]);
341 }
342
343 hwwrite(vortex->mmio, 0x2b3e4, peaks[2 + (eqhw->this04 * 2)]);
344 hwwrite(vortex->mmio, 0x2b3f0, peaks[3 + (eqhw->this04 * 2)]);
345 }
346
347 #if 0
348 static void vortex_EqHw_GetLevels(vortex_t * vortex, u16 a[])
349 {
350 eqhw_t *eqhw = &(vortex->eq.this04);
351 int ebx;
352
353 if (eqhw->this04 < 0)
354 return;
355
356 ebx = 0;
357 do {
358 a[ebx] = hwread(vortex->mmio, 0x2b024 + ebx * 0x30);
359 ebx++;
360 }
361 while (ebx < eqhw->this04);
362
363 a[eqhw->this04] = hwread(vortex->mmio, 0x2b3cc);
364 a[eqhw->this04 + 1] = hwread(vortex->mmio, 0x2b3d8);
365
366 ebx = 0;
367 do {
368 a[ebx + (eqhw->this04 + 2)] =
369 hwread(vortex->mmio, 0x2b204 + ebx * 0x30);
370 ebx++;
371 }
372 while (ebx < eqhw->this04);
373
374 a[2 + (eqhw->this04 * 2)] = hwread(vortex->mmio, 0x2b3e4);
375 a[3 + (eqhw->this04 * 2)] = hwread(vortex->mmio, 0x2b3f0);
376 }
377
378 #endif
379 /* Global Control */
380 static void vortex_EqHw_SetControlReg(vortex_t * vortex, unsigned long reg)
381 {
382 hwwrite(vortex->mmio, 0x2b440, reg);
383 }
384
385 static void vortex_EqHw_SetSampleRate(vortex_t * vortex, int sr)
386 {
387 hwwrite(vortex->mmio, 0x2b440, ((sr & 0x1f) << 3) | 0xb800);
388 }
389
390 #if 0
391 static void vortex_EqHw_GetControlReg(vortex_t * vortex, unsigned long *reg)
392 {
393 *reg = hwread(vortex->mmio, 0x2b440);
394 }
395
396 static void vortex_EqHw_GetSampleRate(vortex_t * vortex, int *sr)
397 {
398 *sr = (hwread(vortex->mmio, 0x2b440) >> 3) & 0x1f;
399 }
400
401 #endif
402 static void vortex_EqHw_Enable(vortex_t * vortex)
403 {
404 hwwrite(vortex->mmio, VORTEX_EQ_CTRL, 0xf001);
405 }
406
407 static void vortex_EqHw_Disable(vortex_t * vortex)
408 {
409 hwwrite(vortex->mmio, VORTEX_EQ_CTRL, 0xf000);
410 }
411
412 /* Reset (zero) buffers */
413 static void vortex_EqHw_ZeroIO(vortex_t * vortex)
414 {
415 int i;
416 for (i = 0; i < 0x8; i++)
417 hwwrite(vortex->mmio, VORTEX_EQ_DEST + (i << 2), 0x0);
418 for (i = 0; i < 0x4; i++)
419 hwwrite(vortex->mmio, VORTEX_EQ_SOURCE + (i << 2), 0x0);
420 }
421
422 static void vortex_EqHw_ZeroA3DIO(vortex_t * vortex)
423 {
424 int i;
425 for (i = 0; i < 0x4; i++)
426 hwwrite(vortex->mmio, VORTEX_EQ_DEST + (i << 2), 0x0);
427 }
428
429 static void vortex_EqHw_ZeroState(vortex_t * vortex)
430 {
431
432 vortex_EqHw_SetControlReg(vortex, 0);
433 vortex_EqHw_ZeroIO(vortex);
434 hwwrite(vortex->mmio, 0x2b3c0, 0);
435
436 vortex_EqHw_SetTimeConsts(vortex, 0, 0);
437
438 vortex_EqHw_SetLeftCoefs(vortex, asEqCoefsZeros);
439 vortex_EqHw_SetRightCoefs(vortex, asEqCoefsZeros);
440
441 vortex_EqHw_SetLeftGainsCurrent(vortex, eq_gains_zero);
442 vortex_EqHw_SetRightGainsCurrent(vortex, eq_gains_zero);
443 vortex_EqHw_SetLeftGainsTarget(vortex, eq_gains_zero);
444 vortex_EqHw_SetRightGainsTarget(vortex, eq_gains_zero);
445
446 vortex_EqHw_SetBypassGain(vortex, 0, 0);
447 //vortex_EqHw_SetCurrBypassGain(vortex, 0, 0);
448 vortex_EqHw_SetA3DBypassGain(vortex, 0, 0);
449 //vortex_EqHw_SetCurrA3DBypassGain(vortex, 0, 0);
450 vortex_EqHw_SetLeftStates(vortex, eq_states_zero, asEqOutStateZeros);
451 vortex_EqHw_SetRightStates(vortex, eq_states_zero, asEqOutStateZeros);
452 vortex_EqHw_SetLevels(vortex, (u16 *) eq_levels);
453 }
454
455 /* Program coeficients as pass through */
456 static void vortex_EqHw_ProgramPipe(vortex_t * vortex)
457 {
458 vortex_EqHw_SetTimeConsts(vortex, 0, 0);
459
460 vortex_EqHw_SetLeftCoefs(vortex, asEqCoefsPipes);
461 vortex_EqHw_SetRightCoefs(vortex, asEqCoefsPipes);
462
463 vortex_EqHw_SetLeftGainsCurrent(vortex, eq_gains_current);
464 vortex_EqHw_SetRightGainsCurrent(vortex, eq_gains_current);
465 vortex_EqHw_SetLeftGainsTarget(vortex, eq_gains_current);
466 vortex_EqHw_SetRightGainsTarget(vortex, eq_gains_current);
467 }
468
469 /* Program EQ block as 10 band Equalizer */
470 static void
471 vortex_EqHw_Program10Band(vortex_t * vortex, auxxEqCoeffSet_t * coefset)
472 {
473
474 vortex_EqHw_SetTimeConsts(vortex, 0xc, 0x7fe0);
475
476 vortex_EqHw_SetLeftCoefs(vortex, coefset->LeftCoefs);
477 vortex_EqHw_SetRightCoefs(vortex, coefset->RightCoefs);
478
479 vortex_EqHw_SetLeftGainsCurrent(vortex, coefset->LeftGains);
480
481 vortex_EqHw_SetRightGainsTarget(vortex, coefset->RightGains);
482 vortex_EqHw_SetLeftGainsTarget(vortex, coefset->LeftGains);
483
484 vortex_EqHw_SetRightGainsCurrent(vortex, coefset->RightGains);
485 }
486
487 /* Read all EQ peaks. (think VU meter) */
488 static void vortex_EqHw_GetTenBandLevels(vortex_t * vortex, u16 peaks[])
489 {
490 eqhw_t *eqhw = &(vortex->eq.this04);
491 int i;
492
493 if (eqhw->this04 <= 0)
494 return;
495
496 for (i = 0; i < eqhw->this04; i++)
497 peaks[i] = hwread(vortex->mmio, 0x2B024 + i * 0x30);
498 for (i = 0; i < eqhw->this04; i++)
499 peaks[i + eqhw->this04] =
500 hwread(vortex->mmio, 0x2B204 + i * 0x30);
501 }
502
503 /* CEqlzr.s */
504
505 static int vortex_Eqlzr_GetLeftGain(vortex_t * vortex, u16 index, u16 * gain)
506 {
507 eqlzr_t *eq = &(vortex->eq);
508
509 if (eq->this28) {
510 *gain = eq->this130[index];
511 return 0;
512 }
513 return 1;
514 }
515
516 static void vortex_Eqlzr_SetLeftGain(vortex_t * vortex, u16 index, u16 gain)
517 {
518 eqlzr_t *eq = &(vortex->eq);
519
520 if (eq->this28 == 0)
521 return;
522
523 eq->this130[index] = gain;
524 if (eq->this54)
525 return;
526
527 vortex_EqHw_SetLeftGainsSingleTarget(vortex, index, gain);
528 }
529
530 static int vortex_Eqlzr_GetRightGain(vortex_t * vortex, u16 index, u16 * gain)
531 {
532 eqlzr_t *eq = &(vortex->eq);
533
534 if (eq->this28) {
535 *gain = eq->this130[index + eq->this10];
536 return 0;
537 }
538 return 1;
539 }
540
541 static void vortex_Eqlzr_SetRightGain(vortex_t * vortex, u16 index, u16 gain)
542 {
543 eqlzr_t *eq = &(vortex->eq);
544
545 if (eq->this28 == 0)
546 return;
547
548 eq->this130[index + eq->this10] = gain;
549 if (eq->this54)
550 return;
551
552 vortex_EqHw_SetRightGainsSingleTarget(vortex, index, gain);
553 }
554
555 #if 0
556 static int
557 vortex_Eqlzr_GetAllBands(vortex_t * vortex, u16 * gains, unsigned long *cnt)
558 {
559 eqlzr_t *eq = &(vortex->eq);
560 int si = 0;
561
562 if (eq->this10 == 0)
563 return 1;
564
565 {
566 if (vortex_Eqlzr_GetLeftGain(vortex, si, &gains[si]))
567 return 1;
568 if (vortex_Eqlzr_GetRightGain
569 (vortex, si, &gains[si + eq->this10]))
570 return 1;
571 si++;
572 }
573 while (eq->this10 > si) ;
574 *cnt = si * 2;
575 return 0;
576 }
577 #endif
578 static int vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex_t * vortex)
579 {
580 eqlzr_t *eq = &(vortex->eq);
581
582 vortex_EqHw_SetLeftGainsTarget(vortex, eq->this130);
583 vortex_EqHw_SetRightGainsTarget(vortex, &(eq->this130[eq->this10]));
584
585 return 0;
586 }
587
588 static int
589 vortex_Eqlzr_SetAllBands(vortex_t * vortex, u16 gains[], unsigned long count)
590 {
591 eqlzr_t *eq = &(vortex->eq);
592 int i;
593
594 if (((eq->this10) * 2 != count) || (eq->this28 == 0))
595 return 1;
596
597 for (i = 0; i < count; i++) {
598 eq->this130[i] = gains[i];
599 }
600
601 if (eq->this54)
602 return 0;
603 return vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex);
604 }
605
606 static void
607 vortex_Eqlzr_SetA3dBypassGain(vortex_t * vortex, unsigned long a,
608 unsigned long b)
609 {
610 eqlzr_t *eq = &(vortex->eq);
611 int eax, ebx;
612
613 eq->this58 = a;
614 eq->this5c = b;
615 if (eq->this54)
616 eax = eq->this0e;
617 else
618 eax = eq->this0a;
619 ebx = (eax * eq->this58) >> 0x10;
620 eax = (eax * eq->this5c) >> 0x10;
621 vortex_EqHw_SetA3DBypassGain(vortex, ebx, eax);
622 }
623
624 static void vortex_Eqlzr_ProgramA3dBypassGain(vortex_t * vortex)
625 {
626 eqlzr_t *eq = &(vortex->eq);
627 int eax, ebx;
628
629 if (eq->this54)
630 eax = eq->this0e;
631 else
632 eax = eq->this0a;
633 ebx = (eax * eq->this58) >> 0x10;
634 eax = (eax * eq->this5c) >> 0x10;
635 vortex_EqHw_SetA3DBypassGain(vortex, ebx, eax);
636 }
637
638 static void vortex_Eqlzr_ShutDownA3d(vortex_t * vortex)
639 {
640 if (vortex != NULL)
641 vortex_EqHw_ZeroA3DIO(vortex);
642 }
643
644 static void vortex_Eqlzr_SetBypass(vortex_t * vortex, long bp)
645 {
646 eqlzr_t *eq = &(vortex->eq);
647
648 if ((eq->this28) && (bp == 0)) {
649 /* EQ enabled */
650 vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex);
651 vortex_EqHw_SetBypassGain(vortex, eq->this08, eq->this08);
652 } else {
653 /* EQ disabled. */
654 vortex_EqHw_SetLeftGainsTarget(vortex, (u16 *) (eq->this14));
655 vortex_EqHw_SetRightGainsTarget(vortex, (u16 *) (eq->this14));
656 vortex_EqHw_SetBypassGain(vortex, eq->this0c, eq->this0c);
657 }
658 vortex_Eqlzr_ProgramA3dBypassGain(vortex);
659 }
660
661 static void vortex_Eqlzr_ReadAndSetActiveCoefSet(vortex_t * vortex)
662 {
663 eqlzr_t *eq = &(vortex->eq);
664
665 /* Set EQ BiQuad filter coeficients */
666 memcpy(&(eq->coefset), &asEqCoefsNormal, sizeof(auxxEqCoeffSet_t));
667 /* Set EQ Band gain levels and dump into hardware registers. */
668 vortex_Eqlzr_SetAllBands(vortex, eq_gains_normal, eq->this10 * 2);
669 }
670
671 static int vortex_Eqlzr_GetAllPeaks(vortex_t * vortex, u16 * peaks, int *count)
672 {
673 eqlzr_t *eq = &(vortex->eq);
674
675 if (eq->this10 == 0)
676 return 1;
677 *count = eq->this10 * 2;
678 vortex_EqHw_GetTenBandLevels(vortex, peaks);
679 return 0;
680 }
681
682 #if 0
683 static auxxEqCoeffSet_t *vortex_Eqlzr_GetActiveCoefSet(vortex_t * vortex)
684 {
685 eqlzr_t *eq = &(vortex->eq);
686
687 return (&(eq->coefset));
688 }
689 #endif
690 static void vortex_Eqlzr_init(vortex_t * vortex)
691 {
692 eqlzr_t *eq = &(vortex->eq);
693
694 /* Object constructor */
695 //eq->this04 = 0;
696 eq->this08 = 0; /* Bypass gain with EQ in use. */
697 eq->this0a = 0x5999;
698 eq->this0c = 0x5999; /* Bypass gain with EQ disabled. */
699 eq->this0e = 0x5999;
700
701 eq->this10 = 0xa; /* 10 eq frequency bands. */
702 eq->this04.this04 = eq->this10;
703 eq->this28 = 0x1; /* if 1 => Allow read access to this130 (gains) */
704 eq->this54 = 0x0; /* if 1 => Dont Allow access to hardware (gains) */
705 eq->this58 = 0xffff;
706 eq->this5c = 0xffff;
707
708 /* Set gains. */
709 memset(eq->this14, 0, 2 * 10);
710
711 /* Actual init. */
712 vortex_EqHw_ZeroState(vortex);
713 vortex_EqHw_SetSampleRate(vortex, 0x11);
714 vortex_Eqlzr_ReadAndSetActiveCoefSet(vortex);
715
716 vortex_EqHw_Program10Band(vortex, &(eq->coefset));
717 vortex_Eqlzr_SetBypass(vortex, eq->this54);
718 vortex_Eqlzr_SetA3dBypassGain(vortex, 0, 0);
719 vortex_EqHw_Enable(vortex);
720 }
721
722 static void vortex_Eqlzr_shutdown(vortex_t * vortex)
723 {
724 vortex_Eqlzr_ShutDownA3d(vortex);
725 vortex_EqHw_ProgramPipe(vortex);
726 vortex_EqHw_Disable(vortex);
727 }
728
729 /* ALSA interface */
730
731 /* Control interface */
732 static int
733 snd_vortex_eqtoggle_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
734 {
735 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
736 uinfo->count = 1;
737 uinfo->value.integer.min = 0;
738 uinfo->value.integer.max = 1;
739 return 0;
740 }
741
742 static int
743 snd_vortex_eqtoggle_get(snd_kcontrol_t * kcontrol,
744 snd_ctl_elem_value_t * ucontrol)
745 {
746 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
747 eqlzr_t *eq = &(vortex->eq);
748 //int i = kcontrol->private_value;
749
750 ucontrol->value.integer.value[0] = eq->this54 ? 0 : 1;
751
752 return 0;
753 }
754
755 static int
756 snd_vortex_eqtoggle_put(snd_kcontrol_t * kcontrol,
757 snd_ctl_elem_value_t * ucontrol)
758 {
759 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
760 eqlzr_t *eq = &(vortex->eq);
761 //int i = kcontrol->private_value;
762
763 eq->this54 = ucontrol->value.integer.value[0] ? 0 : 1;
764 vortex_Eqlzr_SetBypass(vortex, eq->this54);
765
766 return 1; /* Allways changes */
767 }
768
769 static snd_kcontrol_new_t vortex_eqtoggle_kcontrol __devinitdata = {
770 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
771 .name = "EQ Enable",
772 .index = 0,
773 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
774 .private_value = 0,
775 .info = snd_vortex_eqtoggle_info,
776 .get = snd_vortex_eqtoggle_get,
777 .put = snd_vortex_eqtoggle_put
778 };
779
780 static int
781 snd_vortex_eq_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
782 {
783 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
784 uinfo->count = 2;
785 uinfo->value.integer.min = 0x0000;
786 uinfo->value.integer.max = 0x7fff;
787 return 0;
788 }
789
790 static int
791 snd_vortex_eq_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
792 {
793 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
794 int i = kcontrol->private_value;
795 u16 gainL, gainR;
796
797 vortex_Eqlzr_GetLeftGain(vortex, i, &gainL);
798 vortex_Eqlzr_GetRightGain(vortex, i, &gainR);
799 ucontrol->value.integer.value[0] = gainL;
800 ucontrol->value.integer.value[1] = gainR;
801 return 0;
802 }
803
804 static int
805 snd_vortex_eq_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
806 {
807 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
808 int changed = 0, i = kcontrol->private_value;
809 u16 gainL, gainR;
810
811 vortex_Eqlzr_GetLeftGain(vortex, i, &gainL);
812 vortex_Eqlzr_GetRightGain(vortex, i, &gainR);
813
814 if (gainL != ucontrol->value.integer.value[0]) {
815 vortex_Eqlzr_SetLeftGain(vortex, i,
816 ucontrol->value.integer.value[0]);
817 changed = 1;
818 }
819 if (gainR != ucontrol->value.integer.value[1]) {
820 vortex_Eqlzr_SetRightGain(vortex, i,
821 ucontrol->value.integer.value[1]);
822 changed = 1;
823 }
824 return changed;
825 }
826
827 static snd_kcontrol_new_t vortex_eq_kcontrol __devinitdata = {
828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
829 .name = " .",
830 .index = 0,
831 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
832 .private_value = 0,
833 .info = snd_vortex_eq_info,
834 .get = snd_vortex_eq_get,
835 .put = snd_vortex_eq_put
836 };
837
838 static int
839 snd_vortex_peaks_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
840 {
841 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
842 uinfo->count = 20;
843 uinfo->value.integer.min = 0x0000;
844 uinfo->value.integer.max = 0x7fff;
845 return 0;
846 }
847
848 static int
849 snd_vortex_peaks_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
850 {
851 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
852 int i, count;
853 u16 peaks[20];
854
855 vortex_Eqlzr_GetAllPeaks(vortex, peaks, &count);
856 if (count != 20) {
857 printk("vortex: peak count error 20 != %d \n", count);
858 return -1;
859 }
860 for (i = 0; i < 20; i++)
861 ucontrol->value.integer.value[i] = peaks[i];
862
863 return 0;
864 }
865
866 static snd_kcontrol_new_t vortex_levels_kcontrol __devinitdata = {
867 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
868 .name = "EQ Peaks",
869 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
870 .info = snd_vortex_peaks_info,
871 .get = snd_vortex_peaks_get,
872 };
873
874 /* EQ band gain labels. */
875 static char *EqBandLabels[10] __devinitdata = {
876 "EQ0 31Hz\0",
877 "EQ1 63Hz\0",
878 "EQ2 125Hz\0",
879 "EQ3 250Hz\0",
880 "EQ4 500Hz\0",
881 "EQ5 1KHz\0",
882 "EQ6 2KHz\0",
883 "EQ7 4KHz\0",
884 "EQ8 8KHz\0",
885 "EQ9 16KHz\0",
886 };
887
888 /* ALSA driver entry points. Init and exit. */
889 static int vortex_eq_init(vortex_t * vortex)
890 {
891 snd_kcontrol_t *kcontrol;
892 int err, i;
893
894 vortex_Eqlzr_init(vortex);
895
896 if ((kcontrol =
897 snd_ctl_new1(&vortex_eqtoggle_kcontrol, vortex)) == NULL)
898 return -ENOMEM;
899 kcontrol->private_value = 0;
900 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
901 return err;
902
903 /* EQ gain controls */
904 for (i = 0; i < 10; i++) {
905 if ((kcontrol =
906 snd_ctl_new1(&vortex_eq_kcontrol, vortex)) == NULL)
907 return -ENOMEM;
908 strcpy(kcontrol->id.name, EqBandLabels[i]);
909 kcontrol->private_value = i;
910 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
911 return err;
912 //vortex->eqctrl[i] = kcontrol;
913 }
914 /* EQ band levels */
915 if ((kcontrol = snd_ctl_new1(&vortex_levels_kcontrol, vortex)) == NULL)
916 return -ENOMEM;
917 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
918 return err;
919
920 return 0;
921 }
922
923 static int vortex_eq_free(vortex_t * vortex)
924 {
925 /*
926 //FIXME: segfault because vortex->eqctrl[i] == 4
927 int i;
928 for (i=0; i<10; i++) {
929 if (vortex->eqctrl[i])
930 snd_ctl_remove(vortex->card, vortex->eqctrl[i]);
931 }
932 */
933 vortex_Eqlzr_shutdown(vortex);
934 return 0;
935 }
936
937 /* End */
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