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[mirror_ubuntu-focal-kernel.git] / sound / pci / emu10k1 / emupcm.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 * Creative Labs, Inc.
5 * Routines for control of EMU10K1 chips / PCM routines
6 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com>
7 *
8 * BUGS:
9 * --
10 *
11 * TODO:
12 * --
13 */
14
15 #include <linux/pci.h>
16 #include <linux/delay.h>
17 #include <linux/slab.h>
18 #include <linux/time.h>
19 #include <linux/init.h>
20 #include <sound/core.h>
21 #include <sound/emu10k1.h>
22
23 static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu,
24 struct snd_emu10k1_voice *voice)
25 {
26 struct snd_emu10k1_pcm *epcm;
27
28 if ((epcm = voice->epcm) == NULL)
29 return;
30 if (epcm->substream == NULL)
31 return;
32 #if 0
33 dev_dbg(emu->card->dev,
34 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
35 epcm->substream->runtime->hw->pointer(emu, epcm->substream),
36 snd_pcm_lib_period_bytes(epcm->substream),
37 snd_pcm_lib_buffer_bytes(epcm->substream));
38 #endif
39 snd_pcm_period_elapsed(epcm->substream);
40 }
41
42 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
43 unsigned int status)
44 {
45 #if 0
46 if (status & IPR_ADCBUFHALFFULL) {
47 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
48 return;
49 }
50 #endif
51 snd_pcm_period_elapsed(emu->pcm_capture_substream);
52 }
53
54 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
55 unsigned int status)
56 {
57 #if 0
58 if (status & IPR_MICBUFHALFFULL) {
59 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
60 return;
61 }
62 #endif
63 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
64 }
65
66 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
67 unsigned int status)
68 {
69 #if 0
70 if (status & IPR_EFXBUFHALFFULL) {
71 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
72 return;
73 }
74 #endif
75 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
76 }
77
78 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
79 {
80 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
81 struct snd_pcm_runtime *runtime = substream->runtime;
82 struct snd_emu10k1_pcm *epcm = runtime->private_data;
83 unsigned int ptr;
84
85 if (!epcm->running)
86 return 0;
87 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
88 ptr += runtime->buffer_size;
89 ptr -= epcm->ccca_start_addr;
90 ptr %= runtime->buffer_size;
91
92 return ptr;
93 }
94
95 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
96 {
97 int err, i;
98
99 if (epcm->voices[1] != NULL && voices < 2) {
100 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
101 epcm->voices[1] = NULL;
102 }
103 for (i = 0; i < voices; i++) {
104 if (epcm->voices[i] == NULL)
105 break;
106 }
107 if (i == voices)
108 return 0; /* already allocated */
109
110 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
111 if (epcm->voices[i]) {
112 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
113 epcm->voices[i] = NULL;
114 }
115 }
116 err = snd_emu10k1_voice_alloc(epcm->emu,
117 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
118 voices,
119 &epcm->voices[0]);
120
121 if (err < 0)
122 return err;
123 epcm->voices[0]->epcm = epcm;
124 if (voices > 1) {
125 for (i = 1; i < voices; i++) {
126 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
127 epcm->voices[i]->epcm = epcm;
128 }
129 }
130 if (epcm->extra == NULL) {
131 err = snd_emu10k1_voice_alloc(epcm->emu,
132 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
133 1,
134 &epcm->extra);
135 if (err < 0) {
136 /*
137 dev_dbg(emu->card->dev, "pcm_channel_alloc: "
138 "failed extra: voices=%d, frame=%d\n",
139 voices, frame);
140 */
141 for (i = 0; i < voices; i++) {
142 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
143 epcm->voices[i] = NULL;
144 }
145 return err;
146 }
147 epcm->extra->epcm = epcm;
148 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
149 }
150 return 0;
151 }
152
153 static const unsigned int capture_period_sizes[31] = {
154 384, 448, 512, 640,
155 384*2, 448*2, 512*2, 640*2,
156 384*4, 448*4, 512*4, 640*4,
157 384*8, 448*8, 512*8, 640*8,
158 384*16, 448*16, 512*16, 640*16,
159 384*32, 448*32, 512*32, 640*32,
160 384*64, 448*64, 512*64, 640*64,
161 384*128,448*128,512*128
162 };
163
164 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
165 .count = 31,
166 .list = capture_period_sizes,
167 .mask = 0
168 };
169
170 static const unsigned int capture_rates[8] = {
171 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
172 };
173
174 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
175 .count = 8,
176 .list = capture_rates,
177 .mask = 0
178 };
179
180 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
181 {
182 switch (rate) {
183 case 8000: return ADCCR_SAMPLERATE_8;
184 case 11025: return ADCCR_SAMPLERATE_11;
185 case 16000: return ADCCR_SAMPLERATE_16;
186 case 22050: return ADCCR_SAMPLERATE_22;
187 case 24000: return ADCCR_SAMPLERATE_24;
188 case 32000: return ADCCR_SAMPLERATE_32;
189 case 44100: return ADCCR_SAMPLERATE_44;
190 case 48000: return ADCCR_SAMPLERATE_48;
191 default:
192 snd_BUG();
193 return ADCCR_SAMPLERATE_8;
194 }
195 }
196
197 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
198 {
199 switch (rate) {
200 case 8000: return A_ADCCR_SAMPLERATE_8;
201 case 11025: return A_ADCCR_SAMPLERATE_11;
202 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */
203 case 16000: return ADCCR_SAMPLERATE_16;
204 case 22050: return ADCCR_SAMPLERATE_22;
205 case 24000: return ADCCR_SAMPLERATE_24;
206 case 32000: return ADCCR_SAMPLERATE_32;
207 case 44100: return ADCCR_SAMPLERATE_44;
208 case 48000: return ADCCR_SAMPLERATE_48;
209 default:
210 snd_BUG();
211 return A_ADCCR_SAMPLERATE_8;
212 }
213 }
214
215 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
216 {
217 unsigned int pitch_target;
218
219 pitch_target = (rate << 8) / 375;
220 pitch_target = (pitch_target >> 1) + (pitch_target & 1);
221 return pitch_target;
222 }
223
224 #define PITCH_48000 0x00004000
225 #define PITCH_96000 0x00008000
226 #define PITCH_85000 0x00007155
227 #define PITCH_80726 0x00006ba2
228 #define PITCH_67882 0x00005a82
229 #define PITCH_57081 0x00004c1c
230
231 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
232 {
233 if (pitch_target == PITCH_48000)
234 return CCCA_INTERPROM_0;
235 else if (pitch_target < PITCH_48000)
236 return CCCA_INTERPROM_1;
237 else if (pitch_target >= PITCH_96000)
238 return CCCA_INTERPROM_0;
239 else if (pitch_target >= PITCH_85000)
240 return CCCA_INTERPROM_6;
241 else if (pitch_target >= PITCH_80726)
242 return CCCA_INTERPROM_5;
243 else if (pitch_target >= PITCH_67882)
244 return CCCA_INTERPROM_4;
245 else if (pitch_target >= PITCH_57081)
246 return CCCA_INTERPROM_3;
247 else
248 return CCCA_INTERPROM_2;
249 }
250
251 /*
252 * calculate cache invalidate size
253 *
254 * stereo: channel is stereo
255 * w_16: using 16bit samples
256 *
257 * returns: cache invalidate size in samples
258 */
259 static inline int emu10k1_ccis(int stereo, int w_16)
260 {
261 if (w_16) {
262 return stereo ? 24 : 26;
263 } else {
264 return stereo ? 24*2 : 26*2;
265 }
266 }
267
268 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
269 int master, int extra,
270 struct snd_emu10k1_voice *evoice,
271 unsigned int start_addr,
272 unsigned int end_addr,
273 struct snd_emu10k1_pcm_mixer *mix)
274 {
275 struct snd_pcm_substream *substream = evoice->epcm->substream;
276 struct snd_pcm_runtime *runtime = substream->runtime;
277 unsigned int silent_page, tmp;
278 int voice, stereo, w_16;
279 unsigned char send_amount[8];
280 unsigned char send_routing[8];
281 unsigned long flags;
282 unsigned int pitch_target;
283 unsigned int ccis;
284
285 voice = evoice->number;
286 stereo = runtime->channels == 2;
287 w_16 = snd_pcm_format_width(runtime->format) == 16;
288
289 if (!extra && stereo) {
290 start_addr >>= 1;
291 end_addr >>= 1;
292 }
293 if (w_16) {
294 start_addr >>= 1;
295 end_addr >>= 1;
296 }
297
298 spin_lock_irqsave(&emu->reg_lock, flags);
299
300 /* volume parameters */
301 if (extra) {
302 memset(send_routing, 0, sizeof(send_routing));
303 send_routing[0] = 0;
304 send_routing[1] = 1;
305 send_routing[2] = 2;
306 send_routing[3] = 3;
307 memset(send_amount, 0, sizeof(send_amount));
308 } else {
309 /* mono, left, right (master voice = left) */
310 tmp = stereo ? (master ? 1 : 2) : 0;
311 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
312 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
313 }
314
315 ccis = emu10k1_ccis(stereo, w_16);
316
317 if (master) {
318 evoice->epcm->ccca_start_addr = start_addr + ccis;
319 if (extra) {
320 start_addr += ccis;
321 end_addr += ccis + emu->delay_pcm_irq;
322 }
323 if (stereo && !extra) {
324 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
325 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
326 } else {
327 snd_emu10k1_ptr_write(emu, CPF, voice, 0);
328 }
329 }
330
331 /* setup routing */
332 if (emu->audigy) {
333 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
334 snd_emu10k1_compose_audigy_fxrt1(send_routing));
335 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
336 snd_emu10k1_compose_audigy_fxrt2(send_routing));
337 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
338 ((unsigned int)send_amount[4] << 24) |
339 ((unsigned int)send_amount[5] << 16) |
340 ((unsigned int)send_amount[6] << 8) |
341 (unsigned int)send_amount[7]);
342 } else
343 snd_emu10k1_ptr_write(emu, FXRT, voice,
344 snd_emu10k1_compose_send_routing(send_routing));
345 /* Stop CA */
346 /* Assumption that PT is already 0 so no harm overwriting */
347 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
348 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
349 snd_emu10k1_ptr_write(emu, PSST, voice,
350 (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
351 (send_amount[2] << 24));
352 if (emu->card_capabilities->emu_model)
353 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
354 else
355 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
356 if (extra)
357 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
358 emu10k1_select_interprom(pitch_target) |
359 (w_16 ? 0 : CCCA_8BITSELECT));
360 else
361 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
362 emu10k1_select_interprom(pitch_target) |
363 (w_16 ? 0 : CCCA_8BITSELECT));
364 /* Clear filter delay memory */
365 snd_emu10k1_ptr_write(emu, Z1, voice, 0);
366 snd_emu10k1_ptr_write(emu, Z2, voice, 0);
367 /* invalidate maps */
368 silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
369 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
370 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
371 /* modulation envelope */
372 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
373 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
374 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
375 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
376 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
377 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
378 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
379 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
380 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
381 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
382 /* volume envelope */
383 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
384 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
385 /* filter envelope */
386 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
387 /* pitch envelope */
388 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
389
390 spin_unlock_irqrestore(&emu->reg_lock, flags);
391 }
392
393 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
394 struct snd_pcm_hw_params *hw_params)
395 {
396 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
397 struct snd_pcm_runtime *runtime = substream->runtime;
398 struct snd_emu10k1_pcm *epcm = runtime->private_data;
399 size_t alloc_size;
400 int err;
401
402 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
403 return err;
404
405 alloc_size = params_buffer_bytes(hw_params);
406 if (emu->iommu_workaround)
407 alloc_size += EMUPAGESIZE;
408 err = snd_pcm_lib_malloc_pages(substream, alloc_size);
409 if (err < 0)
410 return err;
411 if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE)
412 runtime->dma_bytes -= EMUPAGESIZE;
413 if (err > 0) { /* change */
414 int mapped;
415 if (epcm->memblk != NULL)
416 snd_emu10k1_free_pages(emu, epcm->memblk);
417 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
418 epcm->start_addr = 0;
419 if (! epcm->memblk)
420 return -ENOMEM;
421 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
422 if (mapped < 0)
423 return -ENOMEM;
424 epcm->start_addr = mapped << PAGE_SHIFT;
425 }
426 return 0;
427 }
428
429 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
430 {
431 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
432 struct snd_pcm_runtime *runtime = substream->runtime;
433 struct snd_emu10k1_pcm *epcm;
434
435 if (runtime->private_data == NULL)
436 return 0;
437 epcm = runtime->private_data;
438 if (epcm->extra) {
439 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
440 epcm->extra = NULL;
441 }
442 if (epcm->voices[1]) {
443 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
444 epcm->voices[1] = NULL;
445 }
446 if (epcm->voices[0]) {
447 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
448 epcm->voices[0] = NULL;
449 }
450 if (epcm->memblk) {
451 snd_emu10k1_free_pages(emu, epcm->memblk);
452 epcm->memblk = NULL;
453 epcm->start_addr = 0;
454 }
455 snd_pcm_lib_free_pages(substream);
456 return 0;
457 }
458
459 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
460 {
461 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
462 struct snd_pcm_runtime *runtime = substream->runtime;
463 struct snd_emu10k1_pcm *epcm;
464 int i;
465
466 if (runtime->private_data == NULL)
467 return 0;
468 epcm = runtime->private_data;
469 if (epcm->extra) {
470 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
471 epcm->extra = NULL;
472 }
473 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
474 if (epcm->voices[i]) {
475 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
476 epcm->voices[i] = NULL;
477 }
478 }
479 if (epcm->memblk) {
480 snd_emu10k1_free_pages(emu, epcm->memblk);
481 epcm->memblk = NULL;
482 epcm->start_addr = 0;
483 }
484 snd_pcm_lib_free_pages(substream);
485 return 0;
486 }
487
488 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
489 {
490 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
491 struct snd_pcm_runtime *runtime = substream->runtime;
492 struct snd_emu10k1_pcm *epcm = runtime->private_data;
493 unsigned int start_addr, end_addr;
494
495 start_addr = epcm->start_addr;
496 end_addr = snd_pcm_lib_period_bytes(substream);
497 if (runtime->channels == 2) {
498 start_addr >>= 1;
499 end_addr >>= 1;
500 }
501 end_addr += start_addr;
502 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
503 start_addr, end_addr, NULL);
504 start_addr = epcm->start_addr;
505 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
506 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
507 start_addr, end_addr,
508 &emu->pcm_mixer[substream->number]);
509 if (epcm->voices[1])
510 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
511 start_addr, end_addr,
512 &emu->pcm_mixer[substream->number]);
513 return 0;
514 }
515
516 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
517 {
518 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
519 struct snd_pcm_runtime *runtime = substream->runtime;
520 struct snd_emu10k1_pcm *epcm = runtime->private_data;
521 unsigned int start_addr, end_addr;
522 unsigned int channel_size;
523 int i;
524
525 start_addr = epcm->start_addr;
526 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
527
528 /*
529 * the kX driver leaves some space between voices
530 */
531 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
532
533 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
534 start_addr, start_addr + (channel_size / 2), NULL);
535
536 /* only difference with the master voice is we use it for the pointer */
537 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
538 start_addr, start_addr + channel_size,
539 &emu->efx_pcm_mixer[0]);
540
541 start_addr += channel_size;
542 for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
543 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
544 start_addr, start_addr + channel_size,
545 &emu->efx_pcm_mixer[i]);
546 start_addr += channel_size;
547 }
548
549 return 0;
550 }
551
552 static const struct snd_pcm_hardware snd_emu10k1_efx_playback =
553 {
554 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
555 SNDRV_PCM_INFO_BLOCK_TRANSFER |
556 SNDRV_PCM_INFO_RESUME |
557 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
558 .formats = SNDRV_PCM_FMTBIT_S16_LE,
559 .rates = SNDRV_PCM_RATE_48000,
560 .rate_min = 48000,
561 .rate_max = 48000,
562 .channels_min = NUM_EFX_PLAYBACK,
563 .channels_max = NUM_EFX_PLAYBACK,
564 .buffer_bytes_max = (64*1024),
565 .period_bytes_min = 64,
566 .period_bytes_max = (64*1024),
567 .periods_min = 2,
568 .periods_max = 2,
569 .fifo_size = 0,
570 };
571
572 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
573 struct snd_pcm_hw_params *hw_params)
574 {
575 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
576 }
577
578 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
579 {
580 return snd_pcm_lib_free_pages(substream);
581 }
582
583 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
584 {
585 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
586 struct snd_pcm_runtime *runtime = substream->runtime;
587 struct snd_emu10k1_pcm *epcm = runtime->private_data;
588 int idx;
589
590 /* zeroing the buffer size will stop capture */
591 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
592 switch (epcm->type) {
593 case CAPTURE_AC97ADC:
594 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
595 break;
596 case CAPTURE_EFX:
597 if (emu->audigy) {
598 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
599 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
600 } else
601 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
602 break;
603 default:
604 break;
605 }
606 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
607 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
608 epcm->capture_bs_val = 0;
609 for (idx = 0; idx < 31; idx++) {
610 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
611 epcm->capture_bs_val = idx + 1;
612 break;
613 }
614 }
615 if (epcm->capture_bs_val == 0) {
616 snd_BUG();
617 epcm->capture_bs_val++;
618 }
619 if (epcm->type == CAPTURE_AC97ADC) {
620 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
621 if (runtime->channels > 1)
622 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
623 epcm->capture_cr_val |= emu->audigy ?
624 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
625 snd_emu10k1_capture_rate_reg(runtime->rate);
626 }
627 return 0;
628 }
629
630 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
631 {
632 struct snd_pcm_runtime *runtime;
633 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
634
635 if (evoice == NULL)
636 return;
637 runtime = evoice->epcm->substream->runtime;
638 voice = evoice->number;
639 stereo = (!extra && runtime->channels == 2);
640 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
641 ccis = emu10k1_ccis(stereo, sample == 0);
642 /* set cs to 2 * number of cache registers beside the invalidated */
643 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
644 if (cs > 16) cs = 16;
645 for (i = 0; i < cs; i++) {
646 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
647 if (stereo) {
648 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
649 }
650 }
651 /* reset cache */
652 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
653 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
654 if (stereo) {
655 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
656 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
657 }
658 /* fill cache */
659 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
660 if (stereo) {
661 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
662 }
663 }
664
665 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
666 int master, int extra,
667 struct snd_emu10k1_pcm_mixer *mix)
668 {
669 struct snd_pcm_substream *substream;
670 struct snd_pcm_runtime *runtime;
671 unsigned int attn, vattn;
672 unsigned int voice, tmp;
673
674 if (evoice == NULL) /* skip second voice for mono */
675 return;
676 substream = evoice->epcm->substream;
677 runtime = substream->runtime;
678 voice = evoice->number;
679
680 attn = extra ? 0 : 0x00ff;
681 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
682 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
683 snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
684 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
685 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
686 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
687 snd_emu10k1_voice_clear_loop_stop(emu, voice);
688 }
689
690 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
691 {
692 struct snd_pcm_substream *substream;
693 struct snd_pcm_runtime *runtime;
694 unsigned int voice, pitch, pitch_target;
695
696 if (evoice == NULL) /* skip second voice for mono */
697 return;
698 substream = evoice->epcm->substream;
699 runtime = substream->runtime;
700 voice = evoice->number;
701
702 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
703 if (emu->card_capabilities->emu_model)
704 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
705 else
706 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
707 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
708 if (master || evoice->epcm->type == PLAYBACK_EFX)
709 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
710 snd_emu10k1_ptr_write(emu, IP, voice, pitch);
711 if (extra)
712 snd_emu10k1_voice_intr_enable(emu, voice);
713 }
714
715 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
716 {
717 unsigned int voice;
718
719 if (evoice == NULL)
720 return;
721 voice = evoice->number;
722 snd_emu10k1_voice_intr_disable(emu, voice);
723 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
724 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
725 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
726 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
727 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
728 snd_emu10k1_ptr_write(emu, IP, voice, 0);
729 }
730
731 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
732 struct snd_emu10k1_pcm *epcm,
733 struct snd_pcm_substream *substream,
734 struct snd_pcm_runtime *runtime)
735 {
736 unsigned int ptr, period_pos;
737
738 /* try to sychronize the current position for the interrupt
739 source voice */
740 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
741 period_pos %= runtime->period_size;
742 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
743 ptr &= ~0x00ffffff;
744 ptr |= epcm->ccca_start_addr + period_pos;
745 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
746 }
747
748 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
749 int cmd)
750 {
751 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
752 struct snd_pcm_runtime *runtime = substream->runtime;
753 struct snd_emu10k1_pcm *epcm = runtime->private_data;
754 struct snd_emu10k1_pcm_mixer *mix;
755 int result = 0;
756
757 /*
758 dev_dbg(emu->card->dev,
759 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
760 (int)emu, cmd, substream->ops->pointer(substream))
761 */
762 spin_lock(&emu->reg_lock);
763 switch (cmd) {
764 case SNDRV_PCM_TRIGGER_START:
765 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */
766 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
767 /* fall through */
768 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
769 case SNDRV_PCM_TRIGGER_RESUME:
770 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
771 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
772 mix = &emu->pcm_mixer[substream->number];
773 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
774 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
775 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
776 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
777 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
778 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
779 epcm->running = 1;
780 break;
781 case SNDRV_PCM_TRIGGER_STOP:
782 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
783 case SNDRV_PCM_TRIGGER_SUSPEND:
784 epcm->running = 0;
785 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
786 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
787 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
788 break;
789 default:
790 result = -EINVAL;
791 break;
792 }
793 spin_unlock(&emu->reg_lock);
794 return result;
795 }
796
797 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
798 int cmd)
799 {
800 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
801 struct snd_pcm_runtime *runtime = substream->runtime;
802 struct snd_emu10k1_pcm *epcm = runtime->private_data;
803 int result = 0;
804
805 spin_lock(&emu->reg_lock);
806 switch (cmd) {
807 case SNDRV_PCM_TRIGGER_START:
808 case SNDRV_PCM_TRIGGER_RESUME:
809 /* hmm this should cause full and half full interrupt to be raised? */
810 outl(epcm->capture_ipr, emu->port + IPR);
811 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
812 /*
813 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
814 epcm->adccr, epcm->adcbs);
815 */
816 switch (epcm->type) {
817 case CAPTURE_AC97ADC:
818 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
819 break;
820 case CAPTURE_EFX:
821 if (emu->audigy) {
822 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
823 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
824 dev_dbg(emu->card->dev,
825 "cr_val=0x%x, cr_val2=0x%x\n",
826 epcm->capture_cr_val,
827 epcm->capture_cr_val2);
828 } else
829 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
830 break;
831 default:
832 break;
833 }
834 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
835 epcm->running = 1;
836 epcm->first_ptr = 1;
837 break;
838 case SNDRV_PCM_TRIGGER_STOP:
839 case SNDRV_PCM_TRIGGER_SUSPEND:
840 epcm->running = 0;
841 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
842 outl(epcm->capture_ipr, emu->port + IPR);
843 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
844 switch (epcm->type) {
845 case CAPTURE_AC97ADC:
846 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
847 break;
848 case CAPTURE_EFX:
849 if (emu->audigy) {
850 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
851 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
852 } else
853 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
854 break;
855 default:
856 break;
857 }
858 break;
859 default:
860 result = -EINVAL;
861 }
862 spin_unlock(&emu->reg_lock);
863 return result;
864 }
865
866 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
867 {
868 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
869 struct snd_pcm_runtime *runtime = substream->runtime;
870 struct snd_emu10k1_pcm *epcm = runtime->private_data;
871 unsigned int ptr;
872
873 if (!epcm->running)
874 return 0;
875 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
876 #if 0 /* Perex's code */
877 ptr += runtime->buffer_size;
878 ptr -= epcm->ccca_start_addr;
879 ptr %= runtime->buffer_size;
880 #else /* EMU10K1 Open Source code from Creative */
881 if (ptr < epcm->ccca_start_addr)
882 ptr += runtime->buffer_size - epcm->ccca_start_addr;
883 else {
884 ptr -= epcm->ccca_start_addr;
885 if (ptr >= runtime->buffer_size)
886 ptr -= runtime->buffer_size;
887 }
888 #endif
889 /*
890 dev_dbg(emu->card->dev,
891 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
892 (long)ptr, (long)runtime->buffer_size,
893 (long)runtime->period_size);
894 */
895 return ptr;
896 }
897
898
899 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
900 int cmd)
901 {
902 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
903 struct snd_pcm_runtime *runtime = substream->runtime;
904 struct snd_emu10k1_pcm *epcm = runtime->private_data;
905 int i;
906 int result = 0;
907
908 spin_lock(&emu->reg_lock);
909 switch (cmd) {
910 case SNDRV_PCM_TRIGGER_START:
911 /* prepare voices */
912 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
913 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
914 }
915 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
916
917 /* fall through */
918 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
919 case SNDRV_PCM_TRIGGER_RESUME:
920 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
921 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
922 &emu->efx_pcm_mixer[0]);
923 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
924 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
925 &emu->efx_pcm_mixer[i]);
926 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
927 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
928 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
929 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
930 epcm->running = 1;
931 break;
932 case SNDRV_PCM_TRIGGER_SUSPEND:
933 case SNDRV_PCM_TRIGGER_STOP:
934 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
935 epcm->running = 0;
936 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
937 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
938 }
939 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
940 break;
941 default:
942 result = -EINVAL;
943 break;
944 }
945 spin_unlock(&emu->reg_lock);
946 return result;
947 }
948
949
950 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
951 {
952 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
953 struct snd_pcm_runtime *runtime = substream->runtime;
954 struct snd_emu10k1_pcm *epcm = runtime->private_data;
955 unsigned int ptr;
956
957 if (!epcm->running)
958 return 0;
959 if (epcm->first_ptr) {
960 udelay(50); /* hack, it takes awhile until capture is started */
961 epcm->first_ptr = 0;
962 }
963 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
964 return bytes_to_frames(runtime, ptr);
965 }
966
967 /*
968 * Playback support device description
969 */
970
971 static const struct snd_pcm_hardware snd_emu10k1_playback =
972 {
973 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
974 SNDRV_PCM_INFO_BLOCK_TRANSFER |
975 SNDRV_PCM_INFO_RESUME |
976 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
977 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
978 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
979 .rate_min = 4000,
980 .rate_max = 96000,
981 .channels_min = 1,
982 .channels_max = 2,
983 .buffer_bytes_max = (128*1024),
984 .period_bytes_min = 64,
985 .period_bytes_max = (128*1024),
986 .periods_min = 1,
987 .periods_max = 1024,
988 .fifo_size = 0,
989 };
990
991 /*
992 * Capture support device description
993 */
994
995 static const struct snd_pcm_hardware snd_emu10k1_capture =
996 {
997 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
998 SNDRV_PCM_INFO_BLOCK_TRANSFER |
999 SNDRV_PCM_INFO_RESUME |
1000 SNDRV_PCM_INFO_MMAP_VALID),
1001 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1002 .rates = SNDRV_PCM_RATE_8000_48000,
1003 .rate_min = 8000,
1004 .rate_max = 48000,
1005 .channels_min = 1,
1006 .channels_max = 2,
1007 .buffer_bytes_max = (64*1024),
1008 .period_bytes_min = 384,
1009 .period_bytes_max = (64*1024),
1010 .periods_min = 2,
1011 .periods_max = 2,
1012 .fifo_size = 0,
1013 };
1014
1015 static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
1016 {
1017 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1018 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1019 SNDRV_PCM_INFO_RESUME |
1020 SNDRV_PCM_INFO_MMAP_VALID),
1021 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1022 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1023 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1024 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1025 .rate_min = 44100,
1026 .rate_max = 192000,
1027 .channels_min = 8,
1028 .channels_max = 8,
1029 .buffer_bytes_max = (64*1024),
1030 .period_bytes_min = 384,
1031 .period_bytes_max = (64*1024),
1032 .periods_min = 2,
1033 .periods_max = 2,
1034 .fifo_size = 0,
1035 };
1036
1037 /*
1038 *
1039 */
1040
1041 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1042 {
1043 struct snd_ctl_elem_id id;
1044
1045 if (! kctl)
1046 return;
1047 if (activate)
1048 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1049 else
1050 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1051 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1052 SNDRV_CTL_EVENT_MASK_INFO,
1053 snd_ctl_build_ioff(&id, kctl, idx));
1054 }
1055
1056 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1057 {
1058 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1059 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1060 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1061 }
1062
1063 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1064 {
1065 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1066 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1067 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1068 }
1069
1070 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1071 {
1072 kfree(runtime->private_data);
1073 }
1074
1075 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1076 {
1077 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1078 struct snd_emu10k1_pcm_mixer *mix;
1079 int i;
1080
1081 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1082 mix = &emu->efx_pcm_mixer[i];
1083 mix->epcm = NULL;
1084 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1085 }
1086 return 0;
1087 }
1088
1089 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1090 {
1091 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1092 struct snd_emu10k1_pcm *epcm;
1093 struct snd_emu10k1_pcm_mixer *mix;
1094 struct snd_pcm_runtime *runtime = substream->runtime;
1095 int i;
1096
1097 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1098 if (epcm == NULL)
1099 return -ENOMEM;
1100 epcm->emu = emu;
1101 epcm->type = PLAYBACK_EFX;
1102 epcm->substream = substream;
1103
1104 emu->pcm_playback_efx_substream = substream;
1105
1106 runtime->private_data = epcm;
1107 runtime->private_free = snd_emu10k1_pcm_free_substream;
1108 runtime->hw = snd_emu10k1_efx_playback;
1109
1110 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1111 mix = &emu->efx_pcm_mixer[i];
1112 mix->send_routing[0][0] = i;
1113 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1114 mix->send_volume[0][0] = 255;
1115 mix->attn[0] = 0xffff;
1116 mix->epcm = epcm;
1117 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1118 }
1119 return 0;
1120 }
1121
1122 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1123 {
1124 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1125 struct snd_emu10k1_pcm *epcm;
1126 struct snd_emu10k1_pcm_mixer *mix;
1127 struct snd_pcm_runtime *runtime = substream->runtime;
1128 int i, err, sample_rate;
1129
1130 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1131 if (epcm == NULL)
1132 return -ENOMEM;
1133 epcm->emu = emu;
1134 epcm->type = PLAYBACK_EMUVOICE;
1135 epcm->substream = substream;
1136 runtime->private_data = epcm;
1137 runtime->private_free = snd_emu10k1_pcm_free_substream;
1138 runtime->hw = snd_emu10k1_playback;
1139 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1140 kfree(epcm);
1141 return err;
1142 }
1143 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1144 kfree(epcm);
1145 return err;
1146 }
1147 if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
1148 sample_rate = 44100;
1149 else
1150 sample_rate = 48000;
1151 err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
1152 if (err < 0) {
1153 kfree(epcm);
1154 return err;
1155 }
1156 mix = &emu->pcm_mixer[substream->number];
1157 for (i = 0; i < 4; i++)
1158 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1159 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1160 mix->send_volume[0][0] = mix->send_volume[0][1] =
1161 mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1162 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1163 mix->epcm = epcm;
1164 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1165 return 0;
1166 }
1167
1168 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1169 {
1170 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1171 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1172
1173 mix->epcm = NULL;
1174 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1175 return 0;
1176 }
1177
1178 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1179 {
1180 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1181 struct snd_pcm_runtime *runtime = substream->runtime;
1182 struct snd_emu10k1_pcm *epcm;
1183
1184 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1185 if (epcm == NULL)
1186 return -ENOMEM;
1187 epcm->emu = emu;
1188 epcm->type = CAPTURE_AC97ADC;
1189 epcm->substream = substream;
1190 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1191 epcm->capture_inte = INTE_ADCBUFENABLE;
1192 epcm->capture_ba_reg = ADCBA;
1193 epcm->capture_bs_reg = ADCBS;
1194 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1195 runtime->private_data = epcm;
1196 runtime->private_free = snd_emu10k1_pcm_free_substream;
1197 runtime->hw = snd_emu10k1_capture;
1198 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1199 emu->pcm_capture_substream = substream;
1200 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1201 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1202 return 0;
1203 }
1204
1205 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1206 {
1207 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1208
1209 emu->capture_interrupt = NULL;
1210 emu->pcm_capture_substream = NULL;
1211 return 0;
1212 }
1213
1214 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1215 {
1216 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1217 struct snd_emu10k1_pcm *epcm;
1218 struct snd_pcm_runtime *runtime = substream->runtime;
1219
1220 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1221 if (epcm == NULL)
1222 return -ENOMEM;
1223 epcm->emu = emu;
1224 epcm->type = CAPTURE_AC97MIC;
1225 epcm->substream = substream;
1226 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1227 epcm->capture_inte = INTE_MICBUFENABLE;
1228 epcm->capture_ba_reg = MICBA;
1229 epcm->capture_bs_reg = MICBS;
1230 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1231 substream->runtime->private_data = epcm;
1232 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1233 runtime->hw = snd_emu10k1_capture;
1234 runtime->hw.rates = SNDRV_PCM_RATE_8000;
1235 runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1236 runtime->hw.channels_min = 1;
1237 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1238 emu->pcm_capture_mic_substream = substream;
1239 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1240 return 0;
1241 }
1242
1243 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1244 {
1245 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1246
1247 emu->capture_interrupt = NULL;
1248 emu->pcm_capture_mic_substream = NULL;
1249 return 0;
1250 }
1251
1252 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1253 {
1254 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1255 struct snd_emu10k1_pcm *epcm;
1256 struct snd_pcm_runtime *runtime = substream->runtime;
1257 int nefx = emu->audigy ? 64 : 32;
1258 int idx;
1259
1260 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1261 if (epcm == NULL)
1262 return -ENOMEM;
1263 epcm->emu = emu;
1264 epcm->type = CAPTURE_EFX;
1265 epcm->substream = substream;
1266 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1267 epcm->capture_inte = INTE_EFXBUFENABLE;
1268 epcm->capture_ba_reg = FXBA;
1269 epcm->capture_bs_reg = FXBS;
1270 epcm->capture_idx_reg = FXIDX;
1271 substream->runtime->private_data = epcm;
1272 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1273 runtime->hw = snd_emu10k1_capture_efx;
1274 runtime->hw.rates = SNDRV_PCM_RATE_48000;
1275 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1276 spin_lock_irq(&emu->reg_lock);
1277 if (emu->card_capabilities->emu_model) {
1278 /* Nb. of channels has been increased to 16 */
1279 /* TODO
1280 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1281 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1282 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1283 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1284 * rate_min = 44100,
1285 * rate_max = 192000,
1286 * channels_min = 16,
1287 * channels_max = 16,
1288 * Need to add mixer control to fix sample rate
1289 *
1290 * There are 32 mono channels of 16bits each.
1291 * 24bit Audio uses 2x channels over 16bit
1292 * 96kHz uses 2x channels over 48kHz
1293 * 192kHz uses 4x channels over 48kHz
1294 * So, for 48kHz 24bit, one has 16 channels
1295 * for 96kHz 24bit, one has 8 channels
1296 * for 192kHz 24bit, one has 4 channels
1297 *
1298 */
1299 #if 1
1300 switch (emu->emu1010.internal_clock) {
1301 case 0:
1302 /* For 44.1kHz */
1303 runtime->hw.rates = SNDRV_PCM_RATE_44100;
1304 runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1305 runtime->hw.channels_min =
1306 runtime->hw.channels_max = 16;
1307 break;
1308 case 1:
1309 /* For 48kHz */
1310 runtime->hw.rates = SNDRV_PCM_RATE_48000;
1311 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1312 runtime->hw.channels_min =
1313 runtime->hw.channels_max = 16;
1314 break;
1315 }
1316 #endif
1317 #if 0
1318 /* For 96kHz */
1319 runtime->hw.rates = SNDRV_PCM_RATE_96000;
1320 runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1321 runtime->hw.channels_min = runtime->hw.channels_max = 4;
1322 #endif
1323 #if 0
1324 /* For 192kHz */
1325 runtime->hw.rates = SNDRV_PCM_RATE_192000;
1326 runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1327 runtime->hw.channels_min = runtime->hw.channels_max = 2;
1328 #endif
1329 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1330 /* efx_voices_mask[0] is expected to be zero
1331 * efx_voices_mask[1] is expected to have 32bits set
1332 */
1333 } else {
1334 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1335 for (idx = 0; idx < nefx; idx++) {
1336 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1337 runtime->hw.channels_min++;
1338 runtime->hw.channels_max++;
1339 }
1340 }
1341 }
1342 epcm->capture_cr_val = emu->efx_voices_mask[0];
1343 epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1344 spin_unlock_irq(&emu->reg_lock);
1345 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1346 emu->pcm_capture_efx_substream = substream;
1347 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1348 return 0;
1349 }
1350
1351 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1352 {
1353 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1354
1355 emu->capture_interrupt = NULL;
1356 emu->pcm_capture_efx_substream = NULL;
1357 return 0;
1358 }
1359
1360 static const struct snd_pcm_ops snd_emu10k1_playback_ops = {
1361 .open = snd_emu10k1_playback_open,
1362 .close = snd_emu10k1_playback_close,
1363 .ioctl = snd_pcm_lib_ioctl,
1364 .hw_params = snd_emu10k1_playback_hw_params,
1365 .hw_free = snd_emu10k1_playback_hw_free,
1366 .prepare = snd_emu10k1_playback_prepare,
1367 .trigger = snd_emu10k1_playback_trigger,
1368 .pointer = snd_emu10k1_playback_pointer,
1369 .page = snd_pcm_sgbuf_ops_page,
1370 };
1371
1372 static const struct snd_pcm_ops snd_emu10k1_capture_ops = {
1373 .open = snd_emu10k1_capture_open,
1374 .close = snd_emu10k1_capture_close,
1375 .ioctl = snd_pcm_lib_ioctl,
1376 .hw_params = snd_emu10k1_capture_hw_params,
1377 .hw_free = snd_emu10k1_capture_hw_free,
1378 .prepare = snd_emu10k1_capture_prepare,
1379 .trigger = snd_emu10k1_capture_trigger,
1380 .pointer = snd_emu10k1_capture_pointer,
1381 };
1382
1383 /* EFX playback */
1384 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1385 .open = snd_emu10k1_efx_playback_open,
1386 .close = snd_emu10k1_efx_playback_close,
1387 .ioctl = snd_pcm_lib_ioctl,
1388 .hw_params = snd_emu10k1_playback_hw_params,
1389 .hw_free = snd_emu10k1_efx_playback_hw_free,
1390 .prepare = snd_emu10k1_efx_playback_prepare,
1391 .trigger = snd_emu10k1_efx_playback_trigger,
1392 .pointer = snd_emu10k1_efx_playback_pointer,
1393 .page = snd_pcm_sgbuf_ops_page,
1394 };
1395
1396 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device)
1397 {
1398 struct snd_pcm *pcm;
1399 struct snd_pcm_substream *substream;
1400 int err;
1401
1402 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1403 return err;
1404
1405 pcm->private_data = emu;
1406
1407 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1408 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1409
1410 pcm->info_flags = 0;
1411 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1412 strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1413 emu->pcm = pcm;
1414
1415 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1416 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1417 snd_dma_pci_data(emu->pci),
1418 64*1024, 64*1024);
1419
1420 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1421 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV,
1422 snd_dma_pci_data(emu->pci),
1423 64*1024, 64*1024);
1424
1425 return 0;
1426 }
1427
1428 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device)
1429 {
1430 struct snd_pcm *pcm;
1431 struct snd_pcm_substream *substream;
1432 int err;
1433
1434 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1435 return err;
1436
1437 pcm->private_data = emu;
1438
1439 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1440
1441 pcm->info_flags = 0;
1442 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1443 strcpy(pcm->name, "Multichannel Playback");
1444 emu->pcm_multi = pcm;
1445
1446 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1447 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1448 snd_dma_pci_data(emu->pci),
1449 64*1024, 64*1024);
1450
1451 return 0;
1452 }
1453
1454
1455 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1456 .open = snd_emu10k1_capture_mic_open,
1457 .close = snd_emu10k1_capture_mic_close,
1458 .ioctl = snd_pcm_lib_ioctl,
1459 .hw_params = snd_emu10k1_capture_hw_params,
1460 .hw_free = snd_emu10k1_capture_hw_free,
1461 .prepare = snd_emu10k1_capture_prepare,
1462 .trigger = snd_emu10k1_capture_trigger,
1463 .pointer = snd_emu10k1_capture_pointer,
1464 };
1465
1466 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device)
1467 {
1468 struct snd_pcm *pcm;
1469 int err;
1470
1471 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1472 return err;
1473
1474 pcm->private_data = emu;
1475
1476 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1477
1478 pcm->info_flags = 0;
1479 strcpy(pcm->name, "Mic Capture");
1480 emu->pcm_mic = pcm;
1481
1482 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1483 snd_dma_pci_data(emu->pci),
1484 64*1024, 64*1024);
1485
1486 return 0;
1487 }
1488
1489 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1490 {
1491 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1492 int nefx = emu->audigy ? 64 : 32;
1493 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1494 uinfo->count = nefx;
1495 uinfo->value.integer.min = 0;
1496 uinfo->value.integer.max = 1;
1497 return 0;
1498 }
1499
1500 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1501 {
1502 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1503 int nefx = emu->audigy ? 64 : 32;
1504 int idx;
1505
1506 spin_lock_irq(&emu->reg_lock);
1507 for (idx = 0; idx < nefx; idx++)
1508 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1509 spin_unlock_irq(&emu->reg_lock);
1510 return 0;
1511 }
1512
1513 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1514 {
1515 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1516 unsigned int nval[2], bits;
1517 int nefx = emu->audigy ? 64 : 32;
1518 int nefxb = emu->audigy ? 7 : 6;
1519 int change, idx;
1520
1521 nval[0] = nval[1] = 0;
1522 for (idx = 0, bits = 0; idx < nefx; idx++)
1523 if (ucontrol->value.integer.value[idx]) {
1524 nval[idx / 32] |= 1 << (idx % 32);
1525 bits++;
1526 }
1527
1528 for (idx = 0; idx < nefxb; idx++)
1529 if (1 << idx == bits)
1530 break;
1531
1532 if (idx >= nefxb)
1533 return -EINVAL;
1534
1535 spin_lock_irq(&emu->reg_lock);
1536 change = (nval[0] != emu->efx_voices_mask[0]) ||
1537 (nval[1] != emu->efx_voices_mask[1]);
1538 emu->efx_voices_mask[0] = nval[0];
1539 emu->efx_voices_mask[1] = nval[1];
1540 spin_unlock_irq(&emu->reg_lock);
1541 return change;
1542 }
1543
1544 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1545 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1546 .name = "Captured FX8010 Outputs",
1547 .info = snd_emu10k1_pcm_efx_voices_mask_info,
1548 .get = snd_emu10k1_pcm_efx_voices_mask_get,
1549 .put = snd_emu10k1_pcm_efx_voices_mask_put
1550 };
1551
1552 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1553 .open = snd_emu10k1_capture_efx_open,
1554 .close = snd_emu10k1_capture_efx_close,
1555 .ioctl = snd_pcm_lib_ioctl,
1556 .hw_params = snd_emu10k1_capture_hw_params,
1557 .hw_free = snd_emu10k1_capture_hw_free,
1558 .prepare = snd_emu10k1_capture_prepare,
1559 .trigger = snd_emu10k1_capture_trigger,
1560 .pointer = snd_emu10k1_capture_pointer,
1561 };
1562
1563
1564 /* EFX playback */
1565
1566 #define INITIAL_TRAM_SHIFT 14
1567 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1568
1569 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1570 {
1571 struct snd_pcm_substream *substream = private_data;
1572 snd_pcm_period_elapsed(substream);
1573 }
1574
1575 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1576 unsigned short *dst_right,
1577 unsigned short *src,
1578 unsigned int count,
1579 unsigned int tram_shift)
1580 {
1581 /*
1582 dev_dbg(emu->card->dev,
1583 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1584 "src = 0x%p, count = 0x%x\n",
1585 dst_left, dst_right, src, count);
1586 */
1587 if ((tram_shift & 1) == 0) {
1588 while (count--) {
1589 *dst_left-- = *src++;
1590 *dst_right-- = *src++;
1591 }
1592 } else {
1593 while (count--) {
1594 *dst_right-- = *src++;
1595 *dst_left-- = *src++;
1596 }
1597 }
1598 }
1599
1600 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1601 struct snd_pcm_indirect *rec, size_t bytes)
1602 {
1603 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1604 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1605 unsigned int tram_size = pcm->buffer_size;
1606 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1607 unsigned int frames = bytes >> 2, count;
1608 unsigned int tram_pos = pcm->tram_pos;
1609 unsigned int tram_shift = pcm->tram_shift;
1610
1611 while (frames > tram_pos) {
1612 count = tram_pos + 1;
1613 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1614 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1615 src, count, tram_shift);
1616 src += count * 2;
1617 frames -= count;
1618 tram_pos = (tram_size / 2) - 1;
1619 tram_shift++;
1620 }
1621 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1622 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1623 src, frames, tram_shift);
1624 tram_pos -= frames;
1625 pcm->tram_pos = tram_pos;
1626 pcm->tram_shift = tram_shift;
1627 }
1628
1629 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1630 {
1631 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1632 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1633
1634 return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec,
1635 fx8010_pb_trans_copy);
1636 }
1637
1638 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1639 struct snd_pcm_hw_params *hw_params)
1640 {
1641 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1642 }
1643
1644 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1645 {
1646 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1647 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1648 unsigned int i;
1649
1650 for (i = 0; i < pcm->channels; i++)
1651 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1652 snd_pcm_lib_free_pages(substream);
1653 return 0;
1654 }
1655
1656 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1657 {
1658 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1659 struct snd_pcm_runtime *runtime = substream->runtime;
1660 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1661 unsigned int i;
1662
1663 /*
1664 dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1665 "buffer_size = 0x%x (0x%x)\n",
1666 emu->fx8010.etram_pages, runtime->dma_area,
1667 runtime->buffer_size, runtime->buffer_size << 2);
1668 */
1669 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1670 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1671 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1672 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1673 pcm->tram_shift = 0;
1674 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */
1675 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */
1676 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1677 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */
1678 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1679 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1680 for (i = 0; i < pcm->channels; i++)
1681 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1682 return 0;
1683 }
1684
1685 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1686 {
1687 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1688 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1689 int result = 0;
1690
1691 spin_lock(&emu->reg_lock);
1692 switch (cmd) {
1693 case SNDRV_PCM_TRIGGER_START:
1694 /* follow thru */
1695 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1696 case SNDRV_PCM_TRIGGER_RESUME:
1697 #ifdef EMU10K1_SET_AC3_IEC958
1698 {
1699 int i;
1700 for (i = 0; i < 3; i++) {
1701 unsigned int bits;
1702 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1703 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1704 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1705 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1706 }
1707 }
1708 #endif
1709 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1710 if (result < 0)
1711 goto __err;
1712 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */
1713 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1714 break;
1715 case SNDRV_PCM_TRIGGER_STOP:
1716 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1717 case SNDRV_PCM_TRIGGER_SUSPEND:
1718 snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq);
1719 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1720 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1721 pcm->tram_shift = 0;
1722 break;
1723 default:
1724 result = -EINVAL;
1725 break;
1726 }
1727 __err:
1728 spin_unlock(&emu->reg_lock);
1729 return result;
1730 }
1731
1732 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1733 {
1734 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1735 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1736 size_t ptr; /* byte pointer */
1737
1738 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1739 return 0;
1740 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1741 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1742 }
1743
1744 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1745 {
1746 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1747 SNDRV_PCM_INFO_RESUME |
1748 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE |
1749 SNDRV_PCM_INFO_SYNC_APPLPTR),
1750 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1751 .rates = SNDRV_PCM_RATE_48000,
1752 .rate_min = 48000,
1753 .rate_max = 48000,
1754 .channels_min = 1,
1755 .channels_max = 1,
1756 .buffer_bytes_max = (128*1024),
1757 .period_bytes_min = 1024,
1758 .period_bytes_max = (128*1024),
1759 .periods_min = 2,
1760 .periods_max = 1024,
1761 .fifo_size = 0,
1762 };
1763
1764 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1765 {
1766 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1767 struct snd_pcm_runtime *runtime = substream->runtime;
1768 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1769
1770 runtime->hw = snd_emu10k1_fx8010_playback;
1771 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1772 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1773 spin_lock_irq(&emu->reg_lock);
1774 if (pcm->valid == 0) {
1775 spin_unlock_irq(&emu->reg_lock);
1776 return -ENODEV;
1777 }
1778 pcm->opened = 1;
1779 spin_unlock_irq(&emu->reg_lock);
1780 return 0;
1781 }
1782
1783 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1784 {
1785 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1786 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1787
1788 spin_lock_irq(&emu->reg_lock);
1789 pcm->opened = 0;
1790 spin_unlock_irq(&emu->reg_lock);
1791 return 0;
1792 }
1793
1794 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1795 .open = snd_emu10k1_fx8010_playback_open,
1796 .close = snd_emu10k1_fx8010_playback_close,
1797 .ioctl = snd_pcm_lib_ioctl,
1798 .hw_params = snd_emu10k1_fx8010_playback_hw_params,
1799 .hw_free = snd_emu10k1_fx8010_playback_hw_free,
1800 .prepare = snd_emu10k1_fx8010_playback_prepare,
1801 .trigger = snd_emu10k1_fx8010_playback_trigger,
1802 .pointer = snd_emu10k1_fx8010_playback_pointer,
1803 .ack = snd_emu10k1_fx8010_playback_transfer,
1804 };
1805
1806 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
1807 {
1808 struct snd_pcm *pcm;
1809 struct snd_kcontrol *kctl;
1810 int err;
1811
1812 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1813 return err;
1814
1815 pcm->private_data = emu;
1816
1817 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1818 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1819
1820 pcm->info_flags = 0;
1821 strcpy(pcm->name, "Multichannel Capture/PT Playback");
1822 emu->pcm_efx = pcm;
1823
1824 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1825 * to these
1826 */
1827
1828 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1829 if (emu->audigy) {
1830 emu->efx_voices_mask[0] = 0;
1831 if (emu->card_capabilities->emu_model)
1832 /* Pavel Hofman - 32 voices will be used for
1833 * capture (write mode) -
1834 * each bit = corresponding voice
1835 */
1836 emu->efx_voices_mask[1] = 0xffffffff;
1837 else
1838 emu->efx_voices_mask[1] = 0xffff;
1839 } else {
1840 emu->efx_voices_mask[0] = 0xffff0000;
1841 emu->efx_voices_mask[1] = 0;
1842 }
1843 /* For emu1010, the control has to set 32 upper bits (voices)
1844 * out of the 64 bits (voices) to true for the 16-channels capture
1845 * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1846 * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1847 * control can override this register's value.
1848 */
1849 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1850 if (!kctl)
1851 return -ENOMEM;
1852 kctl->id.device = device;
1853 err = snd_ctl_add(emu->card, kctl);
1854 if (err < 0)
1855 return err;
1856
1857 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1858 snd_dma_pci_data(emu->pci),
1859 64*1024, 64*1024);
1860
1861 return 0;
1862 }
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