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Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched
[wrt350n-kernel.git] / sound / pci / au88x0 / au88x0_eq.c
blob38602b85874d5716c4e4bd7693ee394b2fc48101
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, u32 reg)
381 {
382 hwwrite(vortex->mmio, 0x2b440, reg);
383 }
384
385 static void vortex_EqHw_SetSampleRate(vortex_t * vortex, u32 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, u32 *reg)
392 {
393 *reg = hwread(vortex->mmio, 0x2b440);
394 }
395
396 static void vortex_EqHw_GetSampleRate(vortex_t * vortex, u32 *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, s32 *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[], s32 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, u32 a, u32 b)
608 {
609 eqlzr_t *eq = &(vortex->eq);
610 u32 eax, ebx;
611
612 eq->this58 = a;
613 eq->this5c = b;
614 if (eq->this54)
615 eax = eq->this0e;
616 else
617 eax = eq->this0a;
618 ebx = (eax * eq->this58) >> 0x10;
619 eax = (eax * eq->this5c) >> 0x10;
620 vortex_EqHw_SetA3DBypassGain(vortex, ebx, eax);
621 }
622
623 static void vortex_Eqlzr_ProgramA3dBypassGain(vortex_t * vortex)
624 {
625 eqlzr_t *eq = &(vortex->eq);
626 u32 eax, ebx;
627
628 if (eq->this54)
629 eax = eq->this0e;
630 else
631 eax = eq->this0a;
632 ebx = (eax * eq->this58) >> 0x10;
633 eax = (eax * eq->this5c) >> 0x10;
634 vortex_EqHw_SetA3DBypassGain(vortex, ebx, eax);
635 }
636
637 static void vortex_Eqlzr_ShutDownA3d(vortex_t * vortex)
638 {
639 if (vortex != NULL)
640 vortex_EqHw_ZeroA3DIO(vortex);
641 }
642
643 static void vortex_Eqlzr_SetBypass(vortex_t * vortex, u32 bp)
644 {
645 eqlzr_t *eq = &(vortex->eq);
646
647 if ((eq->this28) && (bp == 0)) {
648 /* EQ enabled */
649 vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex);
650 vortex_EqHw_SetBypassGain(vortex, eq->this08, eq->this08);
651 } else {
652 /* EQ disabled. */
653 vortex_EqHw_SetLeftGainsTarget(vortex, eq->this14_array);
654 vortex_EqHw_SetRightGainsTarget(vortex, eq->this14_array);
655 vortex_EqHw_SetBypassGain(vortex, eq->this0c, eq->this0c);
656 }
657 vortex_Eqlzr_ProgramA3dBypassGain(vortex);
658 }
659
660 static void vortex_Eqlzr_ReadAndSetActiveCoefSet(vortex_t * vortex)
661 {
662 eqlzr_t *eq = &(vortex->eq);
663
664 /* Set EQ BiQuad filter coeficients */
665 memcpy(&(eq->coefset), &asEqCoefsNormal, sizeof(auxxEqCoeffSet_t));
666 /* Set EQ Band gain levels and dump into hardware registers. */
667 vortex_Eqlzr_SetAllBands(vortex, eq_gains_normal, eq->this10 * 2);
668 }
669
670 static int vortex_Eqlzr_GetAllPeaks(vortex_t * vortex, u16 * peaks, int *count)
671 {
672 eqlzr_t *eq = &(vortex->eq);
673
674 if (eq->this10 == 0)
675 return 1;
676 *count = eq->this10 * 2;
677 vortex_EqHw_GetTenBandLevels(vortex, peaks);
678 return 0;
679 }
680
681 #if 0
682 static auxxEqCoeffSet_t *vortex_Eqlzr_GetActiveCoefSet(vortex_t * vortex)
683 {
684 eqlzr_t *eq = &(vortex->eq);
685
686 return (&(eq->coefset));
687 }
688 #endif
689 static void vortex_Eqlzr_init(vortex_t * vortex)
690 {
691 eqlzr_t *eq = &(vortex->eq);
692
693 /* Object constructor */
694 //eq->this04 = 0;
695 eq->this08 = 0; /* Bypass gain with EQ in use. */
696 eq->this0a = 0x5999;
697 eq->this0c = 0x5999; /* Bypass gain with EQ disabled. */
698 eq->this0e = 0x5999;
699
700 eq->this10 = 0xa; /* 10 eq frequency bands. */
701 eq->this04.this04 = eq->this10;
702 eq->this28 = 0x1; /* if 1 => Allow read access to this130 (gains) */
703 eq->this54 = 0x0; /* if 1 => Dont Allow access to hardware (gains) */
704 eq->this58 = 0xffff;
705 eq->this5c = 0xffff;
706
707 /* Set gains. */
708 memset(eq->this14_array, 0, sizeof(eq->this14_array));
709
710 /* Actual init. */
711 vortex_EqHw_ZeroState(vortex);
712 vortex_EqHw_SetSampleRate(vortex, 0x11);
713 vortex_Eqlzr_ReadAndSetActiveCoefSet(vortex);
714
715 vortex_EqHw_Program10Band(vortex, &(eq->coefset));
716 vortex_Eqlzr_SetBypass(vortex, eq->this54);
717 vortex_Eqlzr_SetA3dBypassGain(vortex, 0, 0);
718 vortex_EqHw_Enable(vortex);
719 }
720
721 static void vortex_Eqlzr_shutdown(vortex_t * vortex)
722 {
723 vortex_Eqlzr_ShutDownA3d(vortex);
724 vortex_EqHw_ProgramPipe(vortex);
725 vortex_EqHw_Disable(vortex);
726 }
727
728 /* ALSA interface */
729
730 /* Control interface */
731 #define snd_vortex_eqtoggle_info snd_ctl_boolean_mono_info
732
733 static int
734 snd_vortex_eqtoggle_get(struct snd_kcontrol *kcontrol,
735 struct snd_ctl_elem_value *ucontrol)
736 {
737 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
738 eqlzr_t *eq = &(vortex->eq);
739 //int i = kcontrol->private_value;
740
741 ucontrol->value.integer.value[0] = eq->this54 ? 0 : 1;
742
743 return 0;
744 }
745
746 static int
747 snd_vortex_eqtoggle_put(struct snd_kcontrol *kcontrol,
748 struct snd_ctl_elem_value *ucontrol)
749 {
750 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
751 eqlzr_t *eq = &(vortex->eq);
752 //int i = kcontrol->private_value;
753
754 eq->this54 = ucontrol->value.integer.value[0] ? 0 : 1;
755 vortex_Eqlzr_SetBypass(vortex, eq->this54);
756
757 return 1; /* Allways changes */
758 }
759
760 static struct snd_kcontrol_new vortex_eqtoggle_kcontrol __devinitdata = {
761 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
762 .name = "EQ Enable",
763 .index = 0,
764 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
765 .private_value = 0,
766 .info = snd_vortex_eqtoggle_info,
767 .get = snd_vortex_eqtoggle_get,
768 .put = snd_vortex_eqtoggle_put
769 };
770
771 static int
772 snd_vortex_eq_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
773 {
774 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
775 uinfo->count = 2;
776 uinfo->value.integer.min = 0x0000;
777 uinfo->value.integer.max = 0x7fff;
778 return 0;
779 }
780
781 static int
782 snd_vortex_eq_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
783 {
784 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
785 int i = kcontrol->private_value;
786 u16 gainL = 0, gainR = 0;
787
788 vortex_Eqlzr_GetLeftGain(vortex, i, &gainL);
789 vortex_Eqlzr_GetRightGain(vortex, i, &gainR);
790 ucontrol->value.integer.value[0] = gainL;
791 ucontrol->value.integer.value[1] = gainR;
792 return 0;
793 }
794
795 static int
796 snd_vortex_eq_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
797 {
798 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
799 int changed = 0, i = kcontrol->private_value;
800 u16 gainL = 0, gainR = 0;
801
802 vortex_Eqlzr_GetLeftGain(vortex, i, &gainL);
803 vortex_Eqlzr_GetRightGain(vortex, i, &gainR);
804
805 if (gainL != ucontrol->value.integer.value[0]) {
806 vortex_Eqlzr_SetLeftGain(vortex, i,
807 ucontrol->value.integer.value[0]);
808 changed = 1;
809 }
810 if (gainR != ucontrol->value.integer.value[1]) {
811 vortex_Eqlzr_SetRightGain(vortex, i,
812 ucontrol->value.integer.value[1]);
813 changed = 1;
814 }
815 return changed;
816 }
817
818 static struct snd_kcontrol_new vortex_eq_kcontrol __devinitdata = {
819 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
820 .name = " .",
821 .index = 0,
822 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
823 .private_value = 0,
824 .info = snd_vortex_eq_info,
825 .get = snd_vortex_eq_get,
826 .put = snd_vortex_eq_put
827 };
828
829 static int
830 snd_vortex_peaks_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
831 {
832 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
833 uinfo->count = 20;
834 uinfo->value.integer.min = 0x0000;
835 uinfo->value.integer.max = 0x7fff;
836 return 0;
837 }
838
839 static int
840 snd_vortex_peaks_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
841 {
842 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
843 int i, count = 0;
844 u16 peaks[20];
845
846 vortex_Eqlzr_GetAllPeaks(vortex, peaks, &count);
847 if (count != 20) {
848 printk(KERN_ERR "vortex: peak count error 20 != %d \n", count);
849 return -1;
850 }
851 for (i = 0; i < 20; i++)
852 ucontrol->value.integer.value[i] = peaks[i];
853
854 return 0;
855 }
856
857 static struct snd_kcontrol_new vortex_levels_kcontrol __devinitdata = {
858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
859 .name = "EQ Peaks",
860 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
861 .info = snd_vortex_peaks_info,
862 .get = snd_vortex_peaks_get,
863 };
864
865 /* EQ band gain labels. */
866 static char *EqBandLabels[10] __devinitdata = {
867 "EQ0 31Hz\0",
868 "EQ1 63Hz\0",
869 "EQ2 125Hz\0",
870 "EQ3 250Hz\0",
871 "EQ4 500Hz\0",
872 "EQ5 1KHz\0",
873 "EQ6 2KHz\0",
874 "EQ7 4KHz\0",
875 "EQ8 8KHz\0",
876 "EQ9 16KHz\0",
877 };
878
879 /* ALSA driver entry points. Init and exit. */
880 static int __devinit vortex_eq_init(vortex_t * vortex)
881 {
882 struct snd_kcontrol *kcontrol;
883 int err, i;
884
885 vortex_Eqlzr_init(vortex);
886
887 if ((kcontrol =
888 snd_ctl_new1(&vortex_eqtoggle_kcontrol, vortex)) == NULL)
889 return -ENOMEM;
890 kcontrol->private_value = 0;
891 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
892 return err;
893
894 /* EQ gain controls */
895 for (i = 0; i < 10; i++) {
896 if ((kcontrol =
897 snd_ctl_new1(&vortex_eq_kcontrol, vortex)) == NULL)
898 return -ENOMEM;
899 strcpy(kcontrol->id.name, EqBandLabels[i]);
900 kcontrol->private_value = i;
901 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
902 return err;
903 //vortex->eqctrl[i] = kcontrol;
904 }
905 /* EQ band levels */
906 if ((kcontrol = snd_ctl_new1(&vortex_levels_kcontrol, vortex)) == NULL)
907 return -ENOMEM;
908 if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
909 return err;
910
911 return 0;
912 }
913
914 static int vortex_eq_free(vortex_t * vortex)
915 {
916 /*
917 //FIXME: segfault because vortex->eqctrl[i] == 4
918 int i;
919 for (i=0; i<10; i++) {
920 if (vortex->eqctrl[i])
921 snd_ctl_remove(vortex->card, vortex->eqctrl[i]);
922 }
923 */
924 vortex_Eqlzr_shutdown(vortex);
925 return 0;
926 }
927
928 /* End */
WRT350N Kernel Patches