1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Creative Labs, Inc.
4 * Routines for control of EMU10K1 chips / PCM routines
5 *
6 * BUGS:
7 * --
8 *
9 * TODO:
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 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
28 #include <sound/driver.h>
29 #include <linux/delay.h>
30 #include <linux/slab.h>
31 #include <linux/time.h>
32 #include <linux/init.h>
33 #include <sound/core.h>
34 #include <sound/emu10k1.h>
35
36 #define chip_t emu10k1_t
37
38 static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice)
39 {
40 emu10k1_pcm_t *epcm;
41
42 if ((epcm = voice->epcm) == NULL)
43 return;
44 if (epcm->substream == NULL)
45 return;
46 #if 0
47 printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
48 epcm->substream->runtime->hw->pointer(emu, epcm->substream),
49 snd_pcm_lib_period_bytes(epcm->substream),
50 snd_pcm_lib_buffer_bytes(epcm->substream));
51 #endif
52 snd_pcm_period_elapsed(epcm->substream);
53 }
54
55 static void snd_emu10k1_pcm_ac97adc_interrupt(emu10k1_t *emu, unsigned int status)
56 {
57 #if 0
58 if (status & IPR_ADCBUFHALFFULL) {
59 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
60 return;
61 }
62 #endif
63 snd_pcm_period_elapsed(emu->pcm_capture_substream);
64 }
65
66 static void snd_emu10k1_pcm_ac97mic_interrupt(emu10k1_t *emu, unsigned int status)
67 {
68 #if 0
69 if (status & IPR_MICBUFHALFFULL) {
70 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
71 return;
72 }
73 #endif
74 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
75 }
76
77 static void snd_emu10k1_pcm_efx_interrupt(emu10k1_t *emu, unsigned int status)
78 {
79 #if 0
80 if (status & IPR_EFXBUFHALFFULL) {
81 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
82 return;
83 }
84 #endif
85 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
86 }
87
88 static int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices)
89 {
90 int err;
91
92 if (epcm->voices[1] != NULL && voices < 2) {
93 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
94 epcm->voices[1] = NULL;
95 }
96 if (voices == 1 && epcm->voices[0] != NULL)
97 return 0; /* already allocated */
98 if (voices == 2 && epcm->voices[0] != NULL && epcm->voices[1] != NULL)
99 return 0;
100 if (voices > 1) {
101 if (epcm->voices[0] != NULL && epcm->voices[1] == NULL) {
102 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
103 epcm->voices[0] = NULL;
104 }
105 }
106 err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, voices > 1, &epcm->voices[0]);
107 if (err < 0)
108 return err;
109 epcm->voices[0]->epcm = epcm;
110 if (voices > 1) {
111 epcm->voices[1] = &epcm->emu->voices[epcm->voices[0]->number + 1];
112 epcm->voices[1]->epcm = epcm;
113 }
114 if (epcm->extra == NULL) {
115 err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, 0, &epcm->extra);
116 if (err < 0) {
117 // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame);
118 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
119 epcm->voices[0] = NULL;
120 if (epcm->voices[1])
121 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
122 epcm->voices[1] = NULL;
123 return err;
124 }
125 epcm->extra->epcm = epcm;
126 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
127 }
128 return 0;
129 }
130
131 static unsigned int capture_period_sizes[31] = {
132 384, 448, 512, 640,
133 384*2, 448*2, 512*2, 640*2,
134 384*4, 448*4, 512*4, 640*4,
135 384*8, 448*8, 512*8, 640*8,
136 384*16, 448*16, 512*16, 640*16,
137 384*32, 448*32, 512*32, 640*32,
138 384*64, 448*64, 512*64, 640*64,
139 384*128,448*128,512*128
140 };
141
142 static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = {
143 .count = 31,
144 .list = capture_period_sizes,
145 .mask = 0
146 };
147
148 static unsigned int capture_rates[8] = {
149 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
150 };
151
152 static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = {
153 .count = 8,
154 .list = capture_rates,
155 .mask = 0
156 };
157
158 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
159 {
160 switch (rate) {
161 case 8000: return ADCCR_SAMPLERATE_8;
162 case 11025: return ADCCR_SAMPLERATE_11;
163 case 16000: return ADCCR_SAMPLERATE_16;
164 case 22050: return ADCCR_SAMPLERATE_22;
165 case 24000: return ADCCR_SAMPLERATE_24;
166 case 32000: return ADCCR_SAMPLERATE_32;
167 case 44100: return ADCCR_SAMPLERATE_44;
168 case 48000: return ADCCR_SAMPLERATE_48;
169 default:
170 snd_BUG();
171 return ADCCR_SAMPLERATE_8;
172 }
173 }
174
175 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
176 {
177 switch (rate) {
178 case 8000: return A_ADCCR_SAMPLERATE_8;
179 case 11025: return A_ADCCR_SAMPLERATE_11;
180 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */
181 case 16000: return ADCCR_SAMPLERATE_16;
182 case 22050: return ADCCR_SAMPLERATE_22;
183 case 24000: return ADCCR_SAMPLERATE_24;
184 case 32000: return ADCCR_SAMPLERATE_32;
185 case 44100: return ADCCR_SAMPLERATE_44;
186 case 48000: return ADCCR_SAMPLERATE_48;
187 default:
188 snd_BUG();
189 return A_ADCCR_SAMPLERATE_8;
190 }
191 }
192
193 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
194 {
195 unsigned int pitch_target;
196
197 pitch_target = (rate << 8) / 375;
198 pitch_target = (pitch_target >> 1) + (pitch_target & 1);
199 return pitch_target;
200 }
201
202 #define PITCH_48000 0x00004000
203 #define PITCH_96000 0x00008000
204 #define PITCH_85000 0x00007155
205 #define PITCH_80726 0x00006ba2
206 #define PITCH_67882 0x00005a82
207 #define PITCH_57081 0x00004c1c
208
209 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
210 {
211 if (pitch_target == PITCH_48000)
212 return CCCA_INTERPROM_0;
213 else if (pitch_target < PITCH_48000)
214 return CCCA_INTERPROM_1;
215 else if (pitch_target >= PITCH_96000)
216 return CCCA_INTERPROM_0;
217 else if (pitch_target >= PITCH_85000)
218 return CCCA_INTERPROM_6;
219 else if (pitch_target >= PITCH_80726)
220 return CCCA_INTERPROM_5;
221 else if (pitch_target >= PITCH_67882)
222 return CCCA_INTERPROM_4;
223 else if (pitch_target >= PITCH_57081)
224 return CCCA_INTERPROM_3;
225 else
226 return CCCA_INTERPROM_2;
227 }
228
229
230 static void snd_emu10k1_pcm_init_voice(emu10k1_t *emu,
231 int master, int extra,
232 emu10k1_voice_t *evoice,
233 unsigned int start_addr,
234 unsigned int end_addr)
235 {
236 snd_pcm_substream_t *substream = evoice->epcm->substream;
237 snd_pcm_runtime_t *runtime = substream->runtime;
238 emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
239 unsigned int silent_page, tmp;
240 int voice, stereo, w_16;
241 unsigned char attn, send_amount[8];
242 unsigned char send_routing[8];
243 unsigned long flags;
244 unsigned int pitch_target;
245
246 voice = evoice->number;
247 stereo = runtime->channels == 2;
248 w_16 = snd_pcm_format_width(runtime->format) == 16;
249
250 if (!extra && stereo) {
251 start_addr >>= 1;
252 end_addr >>= 1;
253 }
254 if (w_16) {
255 start_addr >>= 1;
256 end_addr >>= 1;
257 }
258
259 spin_lock_irqsave(&emu->reg_lock, flags);
260
261 /* volume parameters */
262 if (extra) {
263 attn = 0;
264 memset(send_routing, 0, sizeof(send_routing));
265 send_routing[0] = 0;
266 send_routing[1] = 1;
267 send_routing[2] = 2;
268 send_routing[3] = 3;
269 memset(send_amount, 0, sizeof(send_amount));
270 } else {
271 tmp = stereo ? (master ? 1 : 2) : 0;
272 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
273 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
274 }
275
276 if (master) {
277 unsigned int ccis = stereo ? 28 : 30;
278 if (w_16)
279 ccis *= 2;
280 evoice->epcm->ccca_start_addr = start_addr + ccis;
281 if (extra) {
282 start_addr += ccis;
283 end_addr += ccis;
284 }
285 if (stereo && !extra) {
286 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
287 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
288 } else {
289 snd_emu10k1_ptr_write(emu, CPF, voice, 0);
290 }
291 }
292
293 // setup routing
294 if (emu->audigy) {
295 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
296 ((unsigned int)send_routing[3] << 24) |
297 ((unsigned int)send_routing[2] << 16) |
298 ((unsigned int)send_routing[1] << 8) |
299 (unsigned int)send_routing[0]);
300 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
301 ((unsigned int)send_routing[7] << 24) |
302 ((unsigned int)send_routing[6] << 16) |
303 ((unsigned int)send_routing[5] << 8) |
304 (unsigned int)send_routing[4]);
305 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
306 ((unsigned int)send_amount[4] << 24) |
307 ((unsigned int)send_amount[5] << 16) |
308 ((unsigned int)send_amount[6] << 8) |
309 (unsigned int)send_amount[7]);
310 } else
311 snd_emu10k1_ptr_write(emu, FXRT, voice,
312 snd_emu10k1_compose_send_routing(send_routing));
313 // Stop CA
314 // Assumption that PT is already 0 so no harm overwriting
315 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
316 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
317 snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
318 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
319 snd_emu10k1_ptr_write(emu, CCCA, voice, evoice->epcm->ccca_start_addr |
320 emu10k1_select_interprom(pitch_target) |
321 (w_16 ? 0 : CCCA_8BITSELECT));
322 // Clear filter delay memory
323 snd_emu10k1_ptr_write(emu, Z1, voice, 0);
324 snd_emu10k1_ptr_write(emu, Z2, voice, 0);
325 // invalidate maps
326 silent_page = ((unsigned int)emu->silent_page_dmaaddr << 1) | MAP_PTI_MASK;
327 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
328 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
329 // modulation envelope
330 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
331 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
332 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
333 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
334 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
335 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
336 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
337 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
338 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
339 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
340 // volume envelope
341 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
342 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
343 // filter envelope
344 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
345 // pitch envelope
346 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
347
348 spin_unlock_irqrestore(&emu->reg_lock, flags);
349 }
350
351 static int snd_emu10k1_playback_hw_params(snd_pcm_substream_t * substream,
352 snd_pcm_hw_params_t * hw_params)
353 {
354 emu10k1_t *emu = snd_pcm_substream_chip(substream);
355 snd_pcm_runtime_t *runtime = substream->runtime;
356 emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
357 int err;
358
359 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
360 return err;
361 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
362 return err;
363 if (err > 0) { /* change */
364 snd_util_memblk_t *memblk;
365 if (epcm->memblk != NULL)
366 snd_emu10k1_free_pages(emu, epcm->memblk);
367 memblk = snd_emu10k1_alloc_pages(emu, substream);
368 if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) {
369 epcm->start_addr = 0;
370 return -ENOMEM;
371 }
372 epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT;
373 }
374 return 0;
375 }
376
377 static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream)
378 {
379 emu10k1_t *emu = snd_pcm_substream_chip(substream);
380 snd_pcm_runtime_t *runtime = substream->runtime;
381 emu10k1_pcm_t *epcm;
382
383 if (runtime->private_data == NULL)
384 return 0;
385 epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
386 if (epcm->extra) {
387 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
388 epcm->extra = NULL;
389 }
390 if (epcm->voices[1]) {
391 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
392 epcm->voices[1] = NULL;
393 }
394 if (epcm->voices[0]) {
395 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
396 epcm->voices[0] = NULL;
397 }
398 if (epcm->memblk) {
399 snd_emu10k1_free_pages(emu, epcm->memblk);
400 epcm->memblk = NULL;
401 epcm->start_addr = 0;
402 }
403 snd_pcm_lib_free_pages(substream);
404 return 0;
405 }
406
407 static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream)
408 {
409 emu10k1_t *emu = snd_pcm_substream_chip(substream);
410 snd_pcm_runtime_t *runtime = substream->runtime;
411 emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
412 unsigned int start_addr, end_addr;
413
414 start_addr = epcm->start_addr;
415 end_addr = snd_pcm_lib_period_bytes(substream);
416 if (runtime->channels == 2)
417 end_addr >>= 1;
418 end_addr += start_addr;
419 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
420 start_addr, end_addr);
421 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
422 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
423 start_addr, end_addr);
424 if (epcm->voices[1])
425 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
426 start_addr, end_addr);
427 return 0;
428 }
429
430 static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream,
431 snd_pcm_hw_params_t * hw_params)
432 {
433 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
434 }
435
436 static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream)
437 {
438 return snd_pcm_lib_free_pages(substream);
439 }
440
441 static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream)
442 {
443 emu10k1_t *emu = snd_pcm_substream_chip(substream);
444 snd_pcm_runtime_t *runtime = substream->runtime;
445 emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
446 int idx;
447
448 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
449 switch (epcm->type) {
450 case CAPTURE_AC97ADC:
451 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
452 break;
453 case CAPTURE_EFX:
454 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
455 break;
456 default:
457 break;
458 }
459 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
460 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
461 epcm->capture_bs_val = 0;
462 for (idx = 0; idx < 31; idx++) {
463 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
464 epcm->capture_bs_val = idx + 1;
465 break;
466 }
467 }
468 if (epcm->capture_bs_val == 0) {
469 snd_BUG();
470 epcm->capture_bs_val++;
471 }
472 if (epcm->type == CAPTURE_AC97ADC) {
473 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
474 if (runtime->channels > 1)
475 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
476 epcm->capture_cr_val |= emu->audigy ?
477 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
478 snd_emu10k1_capture_rate_reg(runtime->rate);
479 }
480 return 0;
481 }
482
483 static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, emu10k1_voice_t *evoice)
484 {
485 snd_pcm_runtime_t *runtime;
486 unsigned int voice, i, ccis, cra = 64, cs, sample;
487
488 if (evoice == NULL)
489 return;
490 runtime = evoice->epcm->substream->runtime;
491 voice = evoice->number;
492 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
493 if (runtime->channels > 1) {
494 ccis = 28;
495 cs = 4;
496 } else {
497 ccis = 30;
498 cs = 2;
499 }
500 if (sample == 0) /* 16-bit */
501 ccis *= 2;
502 for (i = 0; i < cs; i++)
503 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
504 // reset cache
505 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
506 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
507 if (runtime->channels > 1) {
508 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
509 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
510 }
511 // fill cache
512 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
513 }
514
515 static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra)
516 {
517 snd_pcm_substream_t *substream;
518 snd_pcm_runtime_t *runtime;
519 emu10k1_pcm_mixer_t *mix;
520 unsigned int voice, pitch, pitch_target, tmp;
521 unsigned int attn;
522
523 if (evoice == NULL) /* skip second voice for mono */
524 return;
525 substream = evoice->epcm->substream;
526 runtime = substream->runtime;
527 mix = &emu->pcm_mixer[substream->number];
528 voice = evoice->number;
529 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
530 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
531 attn = extra ? 0 : 0x00ff;
532 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
533 snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
534 snd_emu10k1_ptr_write(emu, VTFT, voice, (mix->attn[tmp] << 16) | 0xffff);
535 snd_emu10k1_ptr_write(emu, CVCF, voice, (mix->attn[tmp] << 16) | 0xffff);
536 snd_emu10k1_voice_clear_loop_stop(emu, voice);
537 if (extra)
538 snd_emu10k1_voice_intr_enable(emu, voice);
539 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
540 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
541 if (master)
542 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
543 snd_emu10k1_ptr_write(emu, IP, voice, pitch);
544 }
545
546 static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice)
547 {
548 unsigned int voice;
549
550 if (evoice == NULL)
551 return;
552 voice = evoice->number;
553 snd_emu10k1_voice_intr_disable(emu, voice);
554 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
555 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
556 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
557 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
558 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
559 snd_emu10k1_ptr_write(emu, IP, voice, 0);
560 }
561
562 static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream,
563 int cmd)
564 {
565 emu10k1_t *emu = snd_pcm_substream_chip(substream);
566 snd_pcm_runtime_t *runtime = substream->runtime;
567 emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
568 unsigned long flags;
569 int result = 0;
570
571 // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream));
572 spin_lock_irqsave(&emu->reg_lock, flags);
573 switch (cmd) {
574 case SNDRV_PCM_TRIGGER_START:
575 snd_emu10k1_playback_invalidate_cache(emu, epcm->extra); /* do we need this? */
576 snd_emu10k1_playback_invalidate_cache(emu, epcm->voices[0]);
577 /* follow thru */
578 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
579 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
580 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
581 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
582 epcm->running = 1;
583 break;
584 case SNDRV_PCM_TRIGGER_STOP:
585 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
586 epcm->running = 0;
587 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
588 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
589 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
590 break;
591 default:
592 result = -EINVAL;
593 break;
594 }
595 spin_unlock_irqrestore(&emu->reg_lock, flags);
596 return result;
597 }
598
599 static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream,
600 int cmd)
601 {
602 emu10k1_t *emu = snd_pcm_substream_chip(substream);
603 snd_pcm_runtime_t *runtime = substream->runtime;
604 emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
605 unsigned long flags;
606 int result = 0;
607
608 // printk("trigger - emu10k1 = %p, cmd = %i, pointer = %i\n", emu, cmd, substream->ops->pointer(substream));
609 spin_lock_irqsave(&emu->reg_lock, flags);
610 switch (cmd) {
611 case SNDRV_PCM_TRIGGER_START:
612 outl(epcm->capture_ipr, emu->port + IPR);
613 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
614 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs);
615 switch (epcm->type) {
616 case CAPTURE_AC97ADC:
617 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
618 break;
619 case CAPTURE_EFX:
620 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
621 break;
622 default:
623 break;
624 }
625 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
626 epcm->running = 1;
627 epcm->first_ptr = 1;
628 break;
629 case SNDRV_PCM_TRIGGER_STOP:
630 epcm->running = 0;
631 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
632 outl(epcm->capture_ipr, emu->port + IPR);
633 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
634 switch (epcm->type) {
635 case CAPTURE_AC97ADC:
636 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
637 break;
638 case CAPTURE_EFX:
639 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
640 break;
641 default:
642 break;
643 }
644 break;
645 default:
646 result = -EINVAL;
647 }
648 spin_unlock_irqrestore(&emu->reg_lock, flags);
649 return result;
650 }
651
652 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream)
653 {
654 emu10k1_t *emu = snd_pcm_substream_chip(substream);
655 snd_pcm_runtime_t *runtime = substream->runtime;
656 emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
657 unsigned int ptr;
658
659 if (!epcm->running)
660 return 0;
661 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
662 #if 0 /* Perex's code */
663 ptr += runtime->buffer_size;
664 ptr -= epcm->ccca_start_addr;
665 ptr %= runtime->buffer_size;
666 #else /* EMU10K1 Open Source code from Creative */
667 if (ptr < epcm->ccca_start_addr)
668 ptr += runtime->buffer_size - epcm->ccca_start_addr;
669 else {
670 ptr -= epcm->ccca_start_addr;
671 if (ptr >= runtime->buffer_size)
672 ptr -= runtime->buffer_size;
673 }
674 #endif
675 // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
676 return ptr;
677 }
678
679 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream)
680 {
681 emu10k1_t *emu = snd_pcm_substream_chip(substream);
682 snd_pcm_runtime_t *runtime = substream->runtime;
683 emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
684 unsigned int ptr;
685
686 if (!epcm->running)
687 return 0;
688 if (epcm->first_ptr) {
689 udelay(50); // hack, it takes awhile until capture is started
690 epcm->first_ptr = 0;
691 }
692 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
693 return bytes_to_frames(runtime, ptr);
694 }
695
696 /*
697 * Playback support device description
698 */
699
700 static snd_pcm_hardware_t snd_emu10k1_playback =
701 {
702 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
703 SNDRV_PCM_INFO_BLOCK_TRANSFER |
704 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
705 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
706 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
707 .rate_min = 4000,
708 .rate_max = 48000,
709 .channels_min = 1,
710 .channels_max = 2,
711 .buffer_bytes_max = (128*1024),
712 .period_bytes_min = 64,
713 .period_bytes_max = (128*1024),
714 .periods_min = 1,
715 .periods_max = 1024,
716 .fifo_size = 0,
717 };
718
719 /*
720 * Capture support device description
721 */
722
723 static snd_pcm_hardware_t snd_emu10k1_capture =
724 {
725 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
726 SNDRV_PCM_INFO_BLOCK_TRANSFER |
727 SNDRV_PCM_INFO_MMAP_VALID),
728 .formats = SNDRV_PCM_FMTBIT_S16_LE,
729 .rates = SNDRV_PCM_RATE_8000_48000,
730 .rate_min = 8000,
731 .rate_max = 48000,
732 .channels_min = 1,
733 .channels_max = 2,
734 .buffer_bytes_max = (64*1024),
735 .period_bytes_min = 384,
736 .period_bytes_max = (64*1024),
737 .periods_min = 2,
738 .periods_max = 2,
739 .fifo_size = 0,
740 };
741
742 /*
743 *
744 */
745
746 static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate)
747 {
748 snd_ctl_elem_id_t id;
749
750 snd_runtime_check(kctl != NULL, return);
751 if (activate)
752 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
753 else
754 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
755 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
756 SNDRV_CTL_EVENT_MASK_INFO,
757 snd_ctl_build_ioff(&id, kctl, idx));
758 }
759
760 static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate)
761 {
762 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
763 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
764 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
765 }
766
767 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
768 {
769 emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return);
770
771 if (epcm)
772 snd_magic_kfree(epcm);
773 }
774
775 static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream)
776 {
777 emu10k1_t *emu = snd_pcm_substream_chip(substream);
778 emu10k1_pcm_t *epcm;
779 emu10k1_pcm_mixer_t *mix;
780 snd_pcm_runtime_t *runtime = substream->runtime;
781 int i, err;
782
783 epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, GFP_KERNEL);
784 if (epcm == NULL)
785 return -ENOMEM;
786 epcm->emu = emu;
787 epcm->type = PLAYBACK_EMUVOICE;
788 epcm->substream = substream;
789 runtime->private_data = epcm;
790 runtime->private_free = snd_emu10k1_pcm_free_substream;
791 runtime->hw = snd_emu10k1_playback;
792 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
793 snd_magic_kfree(epcm);
794 return err;
795 }
796 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
797 snd_magic_kfree(epcm);
798 return err;
799 }
800 mix = &emu->pcm_mixer[substream->number];
801 for (i = 0; i < 4; i++)
802 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
803 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
804 mix->send_volume[0][0] = mix->send_volume[0][1] =
805 mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
806 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
807 mix->epcm = epcm;
808 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
809 return 0;
810 }
811
812 static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream)
813 {
814 emu10k1_t *emu = snd_pcm_substream_chip(substream);
815 emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
816
817 mix->epcm = NULL;
818 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
819 return 0;
820 }
821
822 static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream)
823 {
824 emu10k1_t *emu = snd_pcm_substream_chip(substream);
825 snd_pcm_runtime_t *runtime = substream->runtime;
826 emu10k1_pcm_t *epcm;
827
828 epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, GFP_KERNEL);
829 if (epcm == NULL)
830 return -ENOMEM;
831 epcm->emu = emu;
832 epcm->type = CAPTURE_AC97ADC;
833 epcm->substream = substream;
834 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
835 epcm->capture_inte = INTE_ADCBUFENABLE;
836 epcm->capture_ba_reg = ADCBA;
837 epcm->capture_bs_reg = ADCBS;
838 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
839 runtime->private_data = epcm;
840 runtime->private_free = snd_emu10k1_pcm_free_substream;
841 runtime->hw = snd_emu10k1_capture;
842 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
843 emu->pcm_capture_substream = substream;
844 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_capture_period_sizes);
845 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
846 return 0;
847 }
848
849 static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream)
850 {
851 emu10k1_t *emu = snd_pcm_substream_chip(substream);
852
853 emu->capture_interrupt = NULL;
854 emu->pcm_capture_substream = NULL;
855 return 0;
856 }
857
858 static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream)
859 {
860 emu10k1_t *emu = snd_pcm_substream_chip(substream);
861 emu10k1_pcm_t *epcm;
862 snd_pcm_runtime_t *runtime = substream->runtime;
863
864 epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, GFP_KERNEL);
865 if (epcm == NULL)
866 return -ENOMEM;
867 epcm->emu = emu;
868 epcm->type = CAPTURE_AC97MIC;
869 epcm->substream = substream;
870 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
871 epcm->capture_inte = INTE_MICBUFENABLE;
872 epcm->capture_ba_reg = MICBA;
873 epcm->capture_bs_reg = MICBS;
874 epcm->capture_idx_reg = MICIDX;
875 substream->runtime->private_data = epcm;
876 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
877 runtime->hw = snd_emu10k1_capture;
878 runtime->hw.rates = SNDRV_PCM_RATE_8000;
879 runtime->hw.rate_min = runtime->hw.rate_max = 8000;
880 runtime->hw.channels_min = 1;
881 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
882 emu->pcm_capture_mic_substream = substream;
883 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_capture_period_sizes);
884 return 0;
885 }
886
887 static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream)
888 {
889 emu10k1_t *emu = snd_pcm_substream_chip(substream);
890
891 emu->capture_interrupt = NULL;
892 emu->pcm_capture_mic_substream = NULL;
893 return 0;
894 }
895
896 static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream)
897 {
898 emu10k1_t *emu = snd_pcm_substream_chip(substream);
899 emu10k1_pcm_t *epcm;
900 snd_pcm_runtime_t *runtime = substream->runtime;
901 unsigned long flags;
902 int nefx = emu->audigy ? 64 : 32;
903 int idx;
904
905 epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, GFP_KERNEL);
906 if (epcm == NULL)
907 return -ENOMEM;
908 epcm->emu = emu;
909 epcm->type = CAPTURE_EFX;
910 epcm->substream = substream;
911 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
912 epcm->capture_inte = INTE_EFXBUFENABLE;
913 epcm->capture_ba_reg = FXBA;
914 epcm->capture_bs_reg = FXBS;
915 epcm->capture_idx_reg = FXIDX;
916 substream->runtime->private_data = epcm;
917 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
918 runtime->hw = snd_emu10k1_capture;
919 runtime->hw.rates = SNDRV_PCM_RATE_48000;
920 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
921 spin_lock_irqsave(&emu->reg_lock, flags);
922 runtime->hw.channels_min = runtime->hw.channels_max = 0;
923 for (idx = 0; idx < nefx; idx++) {
924 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
925 runtime->hw.channels_min++;
926 runtime->hw.channels_max++;
927 }
928 }
929 epcm->capture_cr_val = emu->efx_voices_mask[0];
930 epcm->capture_cr_val2 = emu->efx_voices_mask[1];
931 spin_unlock_irqrestore(&emu->reg_lock, flags);
932 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
933 emu->pcm_capture_efx_substream = substream;
934 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_capture_period_sizes);
935 return 0;
936 }
937
938 static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream)
939 {
940 emu10k1_t *emu = snd_pcm_substream_chip(substream);
941
942 emu->capture_interrupt = NULL;
943 emu->pcm_capture_efx_substream = NULL;
944 return 0;
945 }
946
947 static snd_pcm_ops_t snd_emu10k1_playback_ops = {
948 .open = snd_emu10k1_playback_open,
949 .close = snd_emu10k1_playback_close,
950 .ioctl = snd_pcm_lib_ioctl,
951 .hw_params = snd_emu10k1_playback_hw_params,
952 .hw_free = snd_emu10k1_playback_hw_free,
953 .prepare = snd_emu10k1_playback_prepare,
954 .trigger = snd_emu10k1_playback_trigger,
955 .pointer = snd_emu10k1_playback_pointer,
956 .page = snd_pcm_sgbuf_ops_page,
957 };
958
959 static snd_pcm_ops_t snd_emu10k1_capture_ops = {
960 .open = snd_emu10k1_capture_open,
961 .close = snd_emu10k1_capture_close,
962 .ioctl = snd_pcm_lib_ioctl,
963 .hw_params = snd_emu10k1_capture_hw_params,
964 .hw_free = snd_emu10k1_capture_hw_free,
965 .prepare = snd_emu10k1_capture_prepare,
966 .trigger = snd_emu10k1_capture_trigger,
967 .pointer = snd_emu10k1_capture_pointer,
968 };
969
970 static void snd_emu10k1_pcm_free(snd_pcm_t *pcm)
971 {
972 emu10k1_t *emu = snd_magic_cast(emu10k1_t, pcm->private_data, return);
973 emu->pcm = NULL;
974 snd_pcm_lib_preallocate_free_for_all(pcm);
975 }
976
977 int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
978 {
979 snd_pcm_t *pcm;
980 snd_pcm_substream_t *substream;
981 int err;
982
983 if (rpcm)
984 *rpcm = NULL;
985
986 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
987 return err;
988
989 pcm->private_data = emu;
990 pcm->private_free = snd_emu10k1_pcm_free;
991
992 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
993 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
994
995 pcm->info_flags = 0;
996 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
997 strcpy(pcm->name, "EMU10K1");
998 emu->pcm = pcm;
999
1000 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1001 if ((err = snd_pcm_lib_preallocate_sg_pages(emu->pci, substream, 64*1024, 64*1024)) < 0)
1002 return err;
1003
1004 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1005 snd_pcm_lib_preallocate_pci_pages(emu->pci, substream, 64*1024, 64*1024);
1006
1007 if (rpcm)
1008 *rpcm = pcm;
1009
1010 return 0;
1011 }
1012
1013 static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = {
1014 .open = snd_emu10k1_capture_mic_open,
1015 .close = snd_emu10k1_capture_mic_close,
1016 .ioctl = snd_pcm_lib_ioctl,
1017 .hw_params = snd_emu10k1_capture_hw_params,
1018 .hw_free = snd_emu10k1_capture_hw_free,
1019 .prepare = snd_emu10k1_capture_prepare,
1020 .trigger = snd_emu10k1_capture_trigger,
1021 .pointer = snd_emu10k1_capture_pointer,
1022 };
1023
1024 static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm)
1025 {
1026 emu10k1_t *emu = snd_magic_cast(emu10k1_t, pcm->private_data, return);
1027 emu->pcm_mic = NULL;
1028 snd_pcm_lib_preallocate_free_for_all(pcm);
1029 }
1030
1031 int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1032 {
1033 snd_pcm_t *pcm;
1034 int err;
1035
1036 if (rpcm)
1037 *rpcm = NULL;
1038
1039 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1040 return err;
1041
1042 pcm->private_data = emu;
1043 pcm->private_free = snd_emu10k1_pcm_mic_free;
1044
1045 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1046
1047 pcm->info_flags = 0;
1048 strcpy(pcm->name, "EMU10K1 MIC");
1049 emu->pcm_mic = pcm;
1050
1051 snd_pcm_lib_preallocate_pci_pages_for_all(emu->pci, pcm, 64*1024, 64*1024);
1052
1053 if (rpcm)
1054 *rpcm = pcm;
1055 return 0;
1056 }
1057
1058 static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1059 {
1060 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1061 int nefx = emu->audigy ? 64 : 32;
1062 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1063 uinfo->count = nefx;
1064 uinfo->value.integer.min = 0;
1065 uinfo->value.integer.max = 1;
1066 return 0;
1067 }
1068
1069 static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1070 {
1071 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1072 unsigned long flags;
1073 int nefx = emu->audigy ? 64 : 32;
1074 int idx;
1075
1076 spin_lock_irqsave(&emu->reg_lock, flags);
1077 for (idx = 0; idx < nefx; idx++)
1078 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1079 spin_unlock_irqrestore(&emu->reg_lock, flags);
1080 return 0;
1081 }
1082
1083 static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1084 {
1085 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1086 unsigned long flags;
1087 unsigned int nval[2], bits;
1088 int nefx = emu->audigy ? 64 : 32;
1089 int change, idx;
1090
1091 nval[0] = nval[1] = 0;
1092 for (idx = 0, bits = 0; idx < nefx; idx++)
1093 if (ucontrol->value.integer.value[idx]) {
1094 nval[idx / 32] |= 1 << (idx % 32);
1095 bits++;
1096 }
1097 if (bits != 1 && bits != 2 && bits != 4 && bits != 8)
1098 return -EINVAL;
1099 spin_lock_irqsave(&emu->reg_lock, flags);
1100 change = (nval[0] != emu->efx_voices_mask[0]) ||
1101 (nval[1] != emu->efx_voices_mask[1]);
1102 emu->efx_voices_mask[0] = nval[0];
1103 emu->efx_voices_mask[1] = nval[1];
1104 spin_unlock_irqrestore(&emu->reg_lock, flags);
1105 return change;
1106 }
1107
1108 static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = {
1109 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1110 .name = "EFX voices mask",
1111 .info = snd_emu10k1_pcm_efx_voices_mask_info,
1112 .get = snd_emu10k1_pcm_efx_voices_mask_get,
1113 .put = snd_emu10k1_pcm_efx_voices_mask_put
1114 };
1115
1116 static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = {
1117 .open = snd_emu10k1_capture_efx_open,
1118 .close = snd_emu10k1_capture_efx_close,
1119 .ioctl = snd_pcm_lib_ioctl,
1120 .hw_params = snd_emu10k1_capture_hw_params,
1121 .hw_free = snd_emu10k1_capture_hw_free,
1122 .prepare = snd_emu10k1_capture_prepare,
1123 .trigger = snd_emu10k1_capture_trigger,
1124 .pointer = snd_emu10k1_capture_pointer,
1125 };
1126
1127 static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm)
1128 {
1129 emu10k1_t *emu = snd_magic_cast(emu10k1_t, pcm->private_data, return);
1130 emu->pcm_efx = NULL;
1131 snd_pcm_lib_preallocate_free_for_all(pcm);
1132 }
1133
1134 int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1135 {
1136 snd_pcm_t *pcm;
1137 int err;
1138
1139 if (rpcm)
1140 *rpcm = NULL;
1141
1142 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 0, 1, &pcm)) < 0)
1143 return err;
1144
1145 pcm->private_data = emu;
1146 pcm->private_free = snd_emu10k1_pcm_efx_free;
1147
1148 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1149
1150 pcm->info_flags = 0;
1151 strcpy(pcm->name, "EMU10K1 EFX");
1152 emu->pcm_efx = pcm;
1153 if (rpcm)
1154 *rpcm = pcm;
1155
1156 emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A;
1157 emu->efx_voices_mask[1] = 0;
1158 snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu));
1159
1160 snd_pcm_lib_preallocate_pci_pages_for_all(emu->pci, pcm, 64*1024, 64*1024);
1161
1162 return 0;
1163 }
1164
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