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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / sound / pci / emu10k1 / emupcm.c
blob424564dcdda709b9d47e45f45229c8b4955c4975
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3 * Creative Labs, Inc.
4 * Routines for control of EMU10K1 chips / PCM routines
5 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com>
6 *
7 * BUGS:
8 * --
9 *
10 * TODO:
11 * --
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 *
27 */
28
29 #include <linux/pci.h>
30 #include <linux/delay.h>
31 #include <linux/slab.h>
32 #include <linux/time.h>
33 #include <linux/init.h>
34 #include <sound/core.h>
35 #include <sound/emu10k1.h>
36
37 static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu,
38 struct snd_emu10k1_voice *voice)
39 {
40 struct snd_emu10k1_pcm *epcm;
41
42 if ((epcm = voice->epcm) == NULL)
43 return;
44 if (epcm->substream == NULL)
45 return;
46 snd_pcm_period_elapsed(epcm->substream);
47 }
48
49 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
50 unsigned int status)
51 {
52 snd_pcm_period_elapsed(emu->pcm_capture_substream);
53 }
54
55 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
56 unsigned int status)
57 {
58 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
59 }
60
61 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
62 unsigned int status)
63 {
64 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
65 }
66
67 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
68 {
69 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
70 struct snd_pcm_runtime *runtime = substream->runtime;
71 struct snd_emu10k1_pcm *epcm = runtime->private_data;
72 unsigned int ptr;
73
74 if (!epcm->running)
75 return 0;
76 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
77 ptr += runtime->buffer_size;
78 ptr -= epcm->ccca_start_addr;
79 ptr %= runtime->buffer_size;
80
81 return ptr;
82 }
83
84 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
85 {
86 int err, i;
87
88 if (epcm->voices[1] != NULL && voices < 2) {
89 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
90 epcm->voices[1] = NULL;
91 }
92 for (i = 0; i < voices; i++) {
93 if (epcm->voices[i] == NULL)
94 break;
95 }
96 if (i == voices)
97 return 0; /* already allocated */
98
99 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
100 if (epcm->voices[i]) {
101 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
102 epcm->voices[i] = NULL;
103 }
104 }
105 err = snd_emu10k1_voice_alloc(epcm->emu,
106 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
107 voices,
108 &epcm->voices[0]);
109
110 if (err < 0)
111 return err;
112 epcm->voices[0]->epcm = epcm;
113 if (voices > 1) {
114 for (i = 1; i < voices; i++) {
115 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
116 epcm->voices[i]->epcm = epcm;
117 }
118 }
119 if (epcm->extra == NULL) {
120 err = snd_emu10k1_voice_alloc(epcm->emu,
121 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
122 1,
123 &epcm->extra);
124 if (err < 0) {
125 /*
126 printk(KERN_DEBUG "pcm_channel_alloc: "
127 "failed extra: voices=%d, frame=%d\n",
128 voices, frame);
129 */
130 for (i = 0; i < voices; i++) {
131 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
132 epcm->voices[i] = NULL;
133 }
134 return err;
135 }
136 epcm->extra->epcm = epcm;
137 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
138 }
139 return 0;
140 }
141
142 static unsigned int capture_period_sizes[31] = {
143 384, 448, 512, 640,
144 384*2, 448*2, 512*2, 640*2,
145 384*4, 448*4, 512*4, 640*4,
146 384*8, 448*8, 512*8, 640*8,
147 384*16, 448*16, 512*16, 640*16,
148 384*32, 448*32, 512*32, 640*32,
149 384*64, 448*64, 512*64, 640*64,
150 384*128,448*128,512*128
151 };
152
153 static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
154 .count = 31,
155 .list = capture_period_sizes,
156 .mask = 0
157 };
158
159 static unsigned int capture_rates[8] = {
160 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
161 };
162
163 static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
164 .count = 8,
165 .list = capture_rates,
166 .mask = 0
167 };
168
169 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
170 {
171 switch (rate) {
172 case 8000: return ADCCR_SAMPLERATE_8;
173 case 11025: return ADCCR_SAMPLERATE_11;
174 case 16000: return ADCCR_SAMPLERATE_16;
175 case 22050: return ADCCR_SAMPLERATE_22;
176 case 24000: return ADCCR_SAMPLERATE_24;
177 case 32000: return ADCCR_SAMPLERATE_32;
178 case 44100: return ADCCR_SAMPLERATE_44;
179 case 48000: return ADCCR_SAMPLERATE_48;
180 default:
181 snd_BUG();
182 return ADCCR_SAMPLERATE_8;
183 }
184 }
185
186 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
187 {
188 switch (rate) {
189 case 8000: return A_ADCCR_SAMPLERATE_8;
190 case 11025: return A_ADCCR_SAMPLERATE_11;
191 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */
192 case 16000: return ADCCR_SAMPLERATE_16;
193 case 22050: return ADCCR_SAMPLERATE_22;
194 case 24000: return ADCCR_SAMPLERATE_24;
195 case 32000: return ADCCR_SAMPLERATE_32;
196 case 44100: return ADCCR_SAMPLERATE_44;
197 case 48000: return ADCCR_SAMPLERATE_48;
198 default:
199 snd_BUG();
200 return A_ADCCR_SAMPLERATE_8;
201 }
202 }
203
204 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
205 {
206 unsigned int pitch_target;
207
208 pitch_target = (rate << 8) / 375;
209 pitch_target = (pitch_target >> 1) + (pitch_target & 1);
210 return pitch_target;
211 }
212
213 #define PITCH_48000 0x00004000
214 #define PITCH_96000 0x00008000
215 #define PITCH_85000 0x00007155
216 #define PITCH_80726 0x00006ba2
217 #define PITCH_67882 0x00005a82
218 #define PITCH_57081 0x00004c1c
219
220 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
221 {
222 if (pitch_target == PITCH_48000)
223 return CCCA_INTERPROM_0;
224 else if (pitch_target < PITCH_48000)
225 return CCCA_INTERPROM_1;
226 else if (pitch_target >= PITCH_96000)
227 return CCCA_INTERPROM_0;
228 else if (pitch_target >= PITCH_85000)
229 return CCCA_INTERPROM_6;
230 else if (pitch_target >= PITCH_80726)
231 return CCCA_INTERPROM_5;
232 else if (pitch_target >= PITCH_67882)
233 return CCCA_INTERPROM_4;
234 else if (pitch_target >= PITCH_57081)
235 return CCCA_INTERPROM_3;
236 else
237 return CCCA_INTERPROM_2;
238 }
239
240 /*
241 * calculate cache invalidate size
242 *
243 * stereo: channel is stereo
244 * w_16: using 16bit samples
245 *
246 * returns: cache invalidate size in samples
247 */
248 static inline int emu10k1_ccis(int stereo, int w_16)
249 {
250 if (w_16) {
251 return stereo ? 24 : 26;
252 } else {
253 return stereo ? 24*2 : 26*2;
254 }
255 }
256
257 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
258 int master, int extra,
259 struct snd_emu10k1_voice *evoice,
260 unsigned int start_addr,
261 unsigned int end_addr,
262 struct snd_emu10k1_pcm_mixer *mix)
263 {
264 struct snd_pcm_substream *substream = evoice->epcm->substream;
265 struct snd_pcm_runtime *runtime = substream->runtime;
266 unsigned int silent_page, tmp;
267 int voice, stereo, w_16;
268 unsigned char attn, send_amount[8];
269 unsigned char send_routing[8];
270 unsigned long flags;
271 unsigned int pitch_target;
272 unsigned int ccis;
273
274 voice = evoice->number;
275 stereo = runtime->channels == 2;
276 w_16 = snd_pcm_format_width(runtime->format) == 16;
277
278 if (!extra && stereo) {
279 start_addr >>= 1;
280 end_addr >>= 1;
281 }
282 if (w_16) {
283 start_addr >>= 1;
284 end_addr >>= 1;
285 }
286
287 spin_lock_irqsave(&emu->reg_lock, flags);
288
289 /* volume parameters */
290 if (extra) {
291 attn = 0;
292 memset(send_routing, 0, sizeof(send_routing));
293 send_routing[0] = 0;
294 send_routing[1] = 1;
295 send_routing[2] = 2;
296 send_routing[3] = 3;
297 memset(send_amount, 0, sizeof(send_amount));
298 } else {
299 /* mono, left, right (master voice = left) */
300 tmp = stereo ? (master ? 1 : 2) : 0;
301 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
302 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
303 }
304
305 ccis = emu10k1_ccis(stereo, w_16);
306
307 if (master) {
308 evoice->epcm->ccca_start_addr = start_addr + ccis;
309 if (extra) {
310 start_addr += ccis;
311 end_addr += ccis + emu->delay_pcm_irq;
312 }
313 if (stereo && !extra) {
314 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
315 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
316 } else {
317 snd_emu10k1_ptr_write(emu, CPF, voice, 0);
318 }
319 }
320
321 /* setup routing */
322 if (emu->audigy) {
323 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
324 snd_emu10k1_compose_audigy_fxrt1(send_routing));
325 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
326 snd_emu10k1_compose_audigy_fxrt2(send_routing));
327 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
328 ((unsigned int)send_amount[4] << 24) |
329 ((unsigned int)send_amount[5] << 16) |
330 ((unsigned int)send_amount[6] << 8) |
331 (unsigned int)send_amount[7]);
332 } else
333 snd_emu10k1_ptr_write(emu, FXRT, voice,
334 snd_emu10k1_compose_send_routing(send_routing));
335 /* Stop CA */
336 /* Assumption that PT is already 0 so no harm overwriting */
337 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
338 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
339 snd_emu10k1_ptr_write(emu, PSST, voice,
340 (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
341 (send_amount[2] << 24));
342 if (emu->card_capabilities->emu_model)
343 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
344 else
345 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
346 if (extra)
347 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
348 emu10k1_select_interprom(pitch_target) |
349 (w_16 ? 0 : CCCA_8BITSELECT));
350 else
351 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
352 emu10k1_select_interprom(pitch_target) |
353 (w_16 ? 0 : CCCA_8BITSELECT));
354 /* Clear filter delay memory */
355 snd_emu10k1_ptr_write(emu, Z1, voice, 0);
356 snd_emu10k1_ptr_write(emu, Z2, voice, 0);
357 /* invalidate maps */
358 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
359 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
360 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
361 /* modulation envelope */
362 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
363 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
364 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
365 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
366 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
367 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
368 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
369 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
370 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
371 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
372 /* volume envelope */
373 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
374 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
375 /* filter envelope */
376 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
377 /* pitch envelope */
378 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
379
380 spin_unlock_irqrestore(&emu->reg_lock, flags);
381 }
382
383 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
384 struct snd_pcm_hw_params *hw_params)
385 {
386 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
387 struct snd_pcm_runtime *runtime = substream->runtime;
388 struct snd_emu10k1_pcm *epcm = runtime->private_data;
389 int err;
390
391 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
392 return err;
393 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
394 return err;
395 if (err > 0) { /* change */
396 int mapped;
397 if (epcm->memblk != NULL)
398 snd_emu10k1_free_pages(emu, epcm->memblk);
399 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
400 epcm->start_addr = 0;
401 if (! epcm->memblk)
402 return -ENOMEM;
403 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
404 if (mapped < 0)
405 return -ENOMEM;
406 epcm->start_addr = mapped << PAGE_SHIFT;
407 }
408 return 0;
409 }
410
411 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
412 {
413 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
414 struct snd_pcm_runtime *runtime = substream->runtime;
415 struct snd_emu10k1_pcm *epcm;
416
417 if (runtime->private_data == NULL)
418 return 0;
419 epcm = runtime->private_data;
420 if (epcm->extra) {
421 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
422 epcm->extra = NULL;
423 }
424 if (epcm->voices[1]) {
425 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
426 epcm->voices[1] = NULL;
427 }
428 if (epcm->voices[0]) {
429 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
430 epcm->voices[0] = NULL;
431 }
432 if (epcm->memblk) {
433 snd_emu10k1_free_pages(emu, epcm->memblk);
434 epcm->memblk = NULL;
435 epcm->start_addr = 0;
436 }
437 snd_pcm_lib_free_pages(substream);
438 return 0;
439 }
440
441 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
442 {
443 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
444 struct snd_pcm_runtime *runtime = substream->runtime;
445 struct snd_emu10k1_pcm *epcm;
446 int i;
447
448 if (runtime->private_data == NULL)
449 return 0;
450 epcm = runtime->private_data;
451 if (epcm->extra) {
452 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
453 epcm->extra = NULL;
454 }
455 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
456 if (epcm->voices[i]) {
457 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
458 epcm->voices[i] = NULL;
459 }
460 }
461 if (epcm->memblk) {
462 snd_emu10k1_free_pages(emu, epcm->memblk);
463 epcm->memblk = NULL;
464 epcm->start_addr = 0;
465 }
466 snd_pcm_lib_free_pages(substream);
467 return 0;
468 }
469
470 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
471 {
472 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
473 struct snd_pcm_runtime *runtime = substream->runtime;
474 struct snd_emu10k1_pcm *epcm = runtime->private_data;
475 unsigned int start_addr, end_addr;
476
477 start_addr = epcm->start_addr;
478 end_addr = snd_pcm_lib_period_bytes(substream);
479 if (runtime->channels == 2) {
480 start_addr >>= 1;
481 end_addr >>= 1;
482 }
483 end_addr += start_addr;
484 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
485 start_addr, end_addr, NULL);
486 start_addr = epcm->start_addr;
487 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
488 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
489 start_addr, end_addr,
490 &emu->pcm_mixer[substream->number]);
491 if (epcm->voices[1])
492 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
493 start_addr, end_addr,
494 &emu->pcm_mixer[substream->number]);
495 return 0;
496 }
497
498 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
499 {
500 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
501 struct snd_pcm_runtime *runtime = substream->runtime;
502 struct snd_emu10k1_pcm *epcm = runtime->private_data;
503 unsigned int start_addr, end_addr;
504 unsigned int channel_size;
505 int i;
506
507 start_addr = epcm->start_addr;
508 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
509
510 /*
511 * the kX driver leaves some space between voices
512 */
513 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
514
515 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
516 start_addr, start_addr + (channel_size / 2), NULL);
517
518 /* only difference with the master voice is we use it for the pointer */
519 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
520 start_addr, start_addr + channel_size,
521 &emu->efx_pcm_mixer[0]);
522
523 start_addr += channel_size;
524 for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
525 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
526 start_addr, start_addr + channel_size,
527 &emu->efx_pcm_mixer[i]);
528 start_addr += channel_size;
529 }
530
531 return 0;
532 }
533
534 static struct snd_pcm_hardware snd_emu10k1_efx_playback =
535 {
536 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
537 SNDRV_PCM_INFO_BLOCK_TRANSFER |
538 SNDRV_PCM_INFO_RESUME |
539 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
540 .formats = SNDRV_PCM_FMTBIT_S16_LE,
541 .rates = SNDRV_PCM_RATE_48000,
542 .rate_min = 48000,
543 .rate_max = 48000,
544 .channels_min = NUM_EFX_PLAYBACK,
545 .channels_max = NUM_EFX_PLAYBACK,
546 .buffer_bytes_max = (64*1024),
547 .period_bytes_min = 64,
548 .period_bytes_max = (64*1024),
549 .periods_min = 2,
550 .periods_max = 2,
551 .fifo_size = 0,
552 };
553
554 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
555 struct snd_pcm_hw_params *hw_params)
556 {
557 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
558 }
559
560 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
561 {
562 return snd_pcm_lib_free_pages(substream);
563 }
564
565 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
566 {
567 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
568 struct snd_pcm_runtime *runtime = substream->runtime;
569 struct snd_emu10k1_pcm *epcm = runtime->private_data;
570 int idx;
571
572 /* zeroing the buffer size will stop capture */
573 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
574 switch (epcm->type) {
575 case CAPTURE_AC97ADC:
576 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
577 break;
578 case CAPTURE_EFX:
579 if (emu->audigy) {
580 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
581 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
582 } else
583 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
584 break;
585 default:
586 break;
587 }
588 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
589 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
590 epcm->capture_bs_val = 0;
591 for (idx = 0; idx < 31; idx++) {
592 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
593 epcm->capture_bs_val = idx + 1;
594 break;
595 }
596 }
597 if (epcm->capture_bs_val == 0) {
598 snd_BUG();
599 epcm->capture_bs_val++;
600 }
601 if (epcm->type == CAPTURE_AC97ADC) {
602 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
603 if (runtime->channels > 1)
604 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
605 epcm->capture_cr_val |= emu->audigy ?
606 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
607 snd_emu10k1_capture_rate_reg(runtime->rate);
608 }
609 return 0;
610 }
611
612 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
613 {
614 struct snd_pcm_runtime *runtime;
615 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
616
617 if (evoice == NULL)
618 return;
619 runtime = evoice->epcm->substream->runtime;
620 voice = evoice->number;
621 stereo = (!extra && runtime->channels == 2);
622 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
623 ccis = emu10k1_ccis(stereo, sample == 0);
624 /* set cs to 2 * number of cache registers beside the invalidated */
625 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
626 if (cs > 16) cs = 16;
627 for (i = 0; i < cs; i++) {
628 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
629 if (stereo) {
630 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
631 }
632 }
633 /* reset cache */
634 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
635 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
636 if (stereo) {
637 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
638 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
639 }
640 /* fill cache */
641 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
642 if (stereo) {
643 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
644 }
645 }
646
647 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
648 int master, int extra,
649 struct snd_emu10k1_pcm_mixer *mix)
650 {
651 struct snd_pcm_substream *substream;
652 struct snd_pcm_runtime *runtime;
653 unsigned int attn, vattn;
654 unsigned int voice, tmp;
655
656 if (evoice == NULL) /* skip second voice for mono */
657 return;
658 substream = evoice->epcm->substream;
659 runtime = substream->runtime;
660 voice = evoice->number;
661
662 attn = extra ? 0 : 0x00ff;
663 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
664 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
665 snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
666 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
667 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
668 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
669 snd_emu10k1_voice_clear_loop_stop(emu, voice);
670 }
671
672 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
673 {
674 struct snd_pcm_substream *substream;
675 struct snd_pcm_runtime *runtime;
676 unsigned int voice, pitch, pitch_target;
677
678 if (evoice == NULL) /* skip second voice for mono */
679 return;
680 substream = evoice->epcm->substream;
681 runtime = substream->runtime;
682 voice = evoice->number;
683
684 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
685 if (emu->card_capabilities->emu_model)
686 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
687 else
688 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
689 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
690 if (master || evoice->epcm->type == PLAYBACK_EFX)
691 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
692 snd_emu10k1_ptr_write(emu, IP, voice, pitch);
693 if (extra)
694 snd_emu10k1_voice_intr_enable(emu, voice);
695 }
696
697 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
698 {
699 unsigned int voice;
700
701 if (evoice == NULL)
702 return;
703 voice = evoice->number;
704 snd_emu10k1_voice_intr_disable(emu, voice);
705 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
706 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
707 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
708 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
709 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
710 snd_emu10k1_ptr_write(emu, IP, voice, 0);
711 }
712
713 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
714 struct snd_emu10k1_pcm *epcm,
715 struct snd_pcm_substream *substream,
716 struct snd_pcm_runtime *runtime)
717 {
718 unsigned int ptr, period_pos;
719
720 /* try to sychronize the current position for the interrupt
721 source voice */
722 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
723 period_pos %= runtime->period_size;
724 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
725 ptr &= ~0x00ffffff;
726 ptr |= epcm->ccca_start_addr + period_pos;
727 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
728 }
729
730 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
731 int cmd)
732 {
733 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
734 struct snd_pcm_runtime *runtime = substream->runtime;
735 struct snd_emu10k1_pcm *epcm = runtime->private_data;
736 struct snd_emu10k1_pcm_mixer *mix;
737 int result = 0;
738
739 /*
740 printk(KERN_DEBUG "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
741 (int)emu, cmd, substream->ops->pointer(substream))
742 */
743 spin_lock(&emu->reg_lock);
744 switch (cmd) {
745 case SNDRV_PCM_TRIGGER_START:
746 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */
747 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
748 /* follow thru */
749 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
750 case SNDRV_PCM_TRIGGER_RESUME:
751 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
752 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
753 mix = &emu->pcm_mixer[substream->number];
754 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
755 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
756 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
757 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
758 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
759 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
760 epcm->running = 1;
761 break;
762 case SNDRV_PCM_TRIGGER_STOP:
763 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
764 case SNDRV_PCM_TRIGGER_SUSPEND:
765 epcm->running = 0;
766 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
767 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
768 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
769 break;
770 default:
771 result = -EINVAL;
772 break;
773 }
774 spin_unlock(&emu->reg_lock);
775 return result;
776 }
777
778 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
779 int cmd)
780 {
781 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
782 struct snd_pcm_runtime *runtime = substream->runtime;
783 struct snd_emu10k1_pcm *epcm = runtime->private_data;
784 int result = 0;
785
786 spin_lock(&emu->reg_lock);
787 switch (cmd) {
788 case SNDRV_PCM_TRIGGER_START:
789 case SNDRV_PCM_TRIGGER_RESUME:
790 /* hmm this should cause full and half full interrupt to be raised? */
791 outl(epcm->capture_ipr, emu->port + IPR);
792 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
793 /*
794 printk(KERN_DEBUG "adccr = 0x%x, adcbs = 0x%x\n",
795 epcm->adccr, epcm->adcbs);
796 */
797 switch (epcm->type) {
798 case CAPTURE_AC97ADC:
799 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
800 break;
801 case CAPTURE_EFX:
802 if (emu->audigy) {
803 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
804 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
805 snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2);
806 } else
807 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
808 break;
809 default:
810 break;
811 }
812 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
813 epcm->running = 1;
814 epcm->first_ptr = 1;
815 break;
816 case SNDRV_PCM_TRIGGER_STOP:
817 case SNDRV_PCM_TRIGGER_SUSPEND:
818 epcm->running = 0;
819 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
820 outl(epcm->capture_ipr, emu->port + IPR);
821 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
822 switch (epcm->type) {
823 case CAPTURE_AC97ADC:
824 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
825 break;
826 case CAPTURE_EFX:
827 if (emu->audigy) {
828 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
829 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
830 } else
831 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
832 break;
833 default:
834 break;
835 }
836 break;
837 default:
838 result = -EINVAL;
839 }
840 spin_unlock(&emu->reg_lock);
841 return result;
842 }
843
844 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
845 {
846 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
847 struct snd_pcm_runtime *runtime = substream->runtime;
848 struct snd_emu10k1_pcm *epcm = runtime->private_data;
849 unsigned int ptr;
850
851 if (!epcm->running)
852 return 0;
853 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
854 if (ptr < epcm->ccca_start_addr)
855 ptr += runtime->buffer_size - epcm->ccca_start_addr;
856 else {
857 ptr -= epcm->ccca_start_addr;
858 if (ptr >= runtime->buffer_size)
859 ptr -= runtime->buffer_size;
860 }
861 /*
862 printk(KERN_DEBUG
863 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
864 (long)ptr, (long)runtime->buffer_size,
865 (long)runtime->period_size);
866 */
867 return ptr;
868 }
869
870
871 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
872 int cmd)
873 {
874 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
875 struct snd_pcm_runtime *runtime = substream->runtime;
876 struct snd_emu10k1_pcm *epcm = runtime->private_data;
877 int i;
878 int result = 0;
879
880 spin_lock(&emu->reg_lock);
881 switch (cmd) {
882 case SNDRV_PCM_TRIGGER_START:
883 /* prepare voices */
884 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
885 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
886 }
887 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
888
889 /* follow thru */
890 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
891 case SNDRV_PCM_TRIGGER_RESUME:
892 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
893 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
894 &emu->efx_pcm_mixer[0]);
895 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
896 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
897 &emu->efx_pcm_mixer[i]);
898 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
899 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
900 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
901 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
902 epcm->running = 1;
903 break;
904 case SNDRV_PCM_TRIGGER_SUSPEND:
905 case SNDRV_PCM_TRIGGER_STOP:
906 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
907 epcm->running = 0;
908 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
909 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
910 }
911 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
912 break;
913 default:
914 result = -EINVAL;
915 break;
916 }
917 spin_unlock(&emu->reg_lock);
918 return result;
919 }
920
921
922 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
923 {
924 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
925 struct snd_pcm_runtime *runtime = substream->runtime;
926 struct snd_emu10k1_pcm *epcm = runtime->private_data;
927 unsigned int ptr;
928
929 if (!epcm->running)
930 return 0;
931 if (epcm->first_ptr) {
932 udelay(50); /* hack, it takes awhile until capture is started */
933 epcm->first_ptr = 0;
934 }
935 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
936 return bytes_to_frames(runtime, ptr);
937 }
938
939 /*
940 * Playback support device description
941 */
942
943 static struct snd_pcm_hardware snd_emu10k1_playback =
944 {
945 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
946 SNDRV_PCM_INFO_BLOCK_TRANSFER |
947 SNDRV_PCM_INFO_RESUME |
948 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
949 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
950 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
951 .rate_min = 4000,
952 .rate_max = 96000,
953 .channels_min = 1,
954 .channels_max = 2,
955 .buffer_bytes_max = (128*1024),
956 .period_bytes_min = 64,
957 .period_bytes_max = (128*1024),
958 .periods_min = 1,
959 .periods_max = 1024,
960 .fifo_size = 0,
961 };
962
963 /*
964 * Capture support device description
965 */
966
967 static struct snd_pcm_hardware snd_emu10k1_capture =
968 {
969 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
970 SNDRV_PCM_INFO_BLOCK_TRANSFER |
971 SNDRV_PCM_INFO_RESUME |
972 SNDRV_PCM_INFO_MMAP_VALID),
973 .formats = SNDRV_PCM_FMTBIT_S16_LE,
974 .rates = SNDRV_PCM_RATE_8000_48000,
975 .rate_min = 8000,
976 .rate_max = 48000,
977 .channels_min = 1,
978 .channels_max = 2,
979 .buffer_bytes_max = (64*1024),
980 .period_bytes_min = 384,
981 .period_bytes_max = (64*1024),
982 .periods_min = 2,
983 .periods_max = 2,
984 .fifo_size = 0,
985 };
986
987 static struct snd_pcm_hardware snd_emu10k1_capture_efx =
988 {
989 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
990 SNDRV_PCM_INFO_BLOCK_TRANSFER |
991 SNDRV_PCM_INFO_RESUME |
992 SNDRV_PCM_INFO_MMAP_VALID),
993 .formats = SNDRV_PCM_FMTBIT_S16_LE,
994 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
995 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
996 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
997 .rate_min = 44100,
998 .rate_max = 192000,
999 .channels_min = 8,
1000 .channels_max = 8,
1001 .buffer_bytes_max = (64*1024),
1002 .period_bytes_min = 384,
1003 .period_bytes_max = (64*1024),
1004 .periods_min = 2,
1005 .periods_max = 2,
1006 .fifo_size = 0,
1007 };
1008
1009 /*
1010 *
1011 */
1012
1013 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1014 {
1015 struct snd_ctl_elem_id id;
1016
1017 if (! kctl)
1018 return;
1019 if (activate)
1020 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1021 else
1022 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1023 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1024 SNDRV_CTL_EVENT_MASK_INFO,
1025 snd_ctl_build_ioff(&id, kctl, idx));
1026 }
1027
1028 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1029 {
1030 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1031 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1032 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1033 }
1034
1035 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1036 {
1037 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1038 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1039 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1040 }
1041
1042 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1043 {
1044 kfree(runtime->private_data);
1045 }
1046
1047 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1048 {
1049 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1050 struct snd_emu10k1_pcm_mixer *mix;
1051 int i;
1052
1053 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1054 mix = &emu->efx_pcm_mixer[i];
1055 mix->epcm = NULL;
1056 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1057 }
1058 return 0;
1059 }
1060
1061 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1062 {
1063 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1064 struct snd_emu10k1_pcm *epcm;
1065 struct snd_emu10k1_pcm_mixer *mix;
1066 struct snd_pcm_runtime *runtime = substream->runtime;
1067 int i;
1068
1069 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1070 if (epcm == NULL)
1071 return -ENOMEM;
1072 epcm->emu = emu;
1073 epcm->type = PLAYBACK_EFX;
1074 epcm->substream = substream;
1075
1076 emu->pcm_playback_efx_substream = substream;
1077
1078 runtime->private_data = epcm;
1079 runtime->private_free = snd_emu10k1_pcm_free_substream;
1080 runtime->hw = snd_emu10k1_efx_playback;
1081
1082 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1083 mix = &emu->efx_pcm_mixer[i];
1084 mix->send_routing[0][0] = i;
1085 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1086 mix->send_volume[0][0] = 255;
1087 mix->attn[0] = 0xffff;
1088 mix->epcm = epcm;
1089 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1090 }
1091 return 0;
1092 }
1093
1094 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1095 {
1096 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1097 struct snd_emu10k1_pcm *epcm;
1098 struct snd_emu10k1_pcm_mixer *mix;
1099 struct snd_pcm_runtime *runtime = substream->runtime;
1100 int i, err;
1101
1102 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1103 if (epcm == NULL)
1104 return -ENOMEM;
1105 epcm->emu = emu;
1106 epcm->type = PLAYBACK_EMUVOICE;
1107 epcm->substream = substream;
1108 runtime->private_data = epcm;
1109 runtime->private_free = snd_emu10k1_pcm_free_substream;
1110 runtime->hw = snd_emu10k1_playback;
1111 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1112 kfree(epcm);
1113 return err;
1114 }
1115 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1116 kfree(epcm);
1117 return err;
1118 }
1119 mix = &emu->pcm_mixer[substream->number];
1120 for (i = 0; i < 4; i++)
1121 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1122 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1123 mix->send_volume[0][0] = mix->send_volume[0][1] =
1124 mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1125 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1126 mix->epcm = epcm;
1127 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1128 return 0;
1129 }
1130
1131 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1132 {
1133 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1134 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1135
1136 mix->epcm = NULL;
1137 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1138 return 0;
1139 }
1140
1141 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1142 {
1143 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1144 struct snd_pcm_runtime *runtime = substream->runtime;
1145 struct snd_emu10k1_pcm *epcm;
1146
1147 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1148 if (epcm == NULL)
1149 return -ENOMEM;
1150 epcm->emu = emu;
1151 epcm->type = CAPTURE_AC97ADC;
1152 epcm->substream = substream;
1153 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1154 epcm->capture_inte = INTE_ADCBUFENABLE;
1155 epcm->capture_ba_reg = ADCBA;
1156 epcm->capture_bs_reg = ADCBS;
1157 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1158 runtime->private_data = epcm;
1159 runtime->private_free = snd_emu10k1_pcm_free_substream;
1160 runtime->hw = snd_emu10k1_capture;
1161 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1162 emu->pcm_capture_substream = substream;
1163 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1164 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1165 return 0;
1166 }
1167
1168 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1169 {
1170 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1171
1172 emu->capture_interrupt = NULL;
1173 emu->pcm_capture_substream = NULL;
1174 return 0;
1175 }
1176
1177 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1178 {
1179 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1180 struct snd_emu10k1_pcm *epcm;
1181 struct snd_pcm_runtime *runtime = substream->runtime;
1182
1183 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1184 if (epcm == NULL)
1185 return -ENOMEM;
1186 epcm->emu = emu;
1187 epcm->type = CAPTURE_AC97MIC;
1188 epcm->substream = substream;
1189 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1190 epcm->capture_inte = INTE_MICBUFENABLE;
1191 epcm->capture_ba_reg = MICBA;
1192 epcm->capture_bs_reg = MICBS;
1193 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1194 substream->runtime->private_data = epcm;
1195 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1196 runtime->hw = snd_emu10k1_capture;
1197 runtime->hw.rates = SNDRV_PCM_RATE_8000;
1198 runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1199 runtime->hw.channels_min = 1;
1200 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1201 emu->pcm_capture_mic_substream = substream;
1202 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1203 return 0;
1204 }
1205
1206 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1207 {
1208 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1209
1210 emu->capture_interrupt = NULL;
1211 emu->pcm_capture_mic_substream = NULL;
1212 return 0;
1213 }
1214
1215 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1216 {
1217 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1218 struct snd_emu10k1_pcm *epcm;
1219 struct snd_pcm_runtime *runtime = substream->runtime;
1220 int nefx = emu->audigy ? 64 : 32;
1221 int idx;
1222
1223 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1224 if (epcm == NULL)
1225 return -ENOMEM;
1226 epcm->emu = emu;
1227 epcm->type = CAPTURE_EFX;
1228 epcm->substream = substream;
1229 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1230 epcm->capture_inte = INTE_EFXBUFENABLE;
1231 epcm->capture_ba_reg = FXBA;
1232 epcm->capture_bs_reg = FXBS;
1233 epcm->capture_idx_reg = FXIDX;
1234 substream->runtime->private_data = epcm;
1235 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1236 runtime->hw = snd_emu10k1_capture_efx;
1237 runtime->hw.rates = SNDRV_PCM_RATE_48000;
1238 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1239 spin_lock_irq(&emu->reg_lock);
1240 if (emu->card_capabilities->emu_model) {
1241 /* Nb. of channels has been increased to 16 */
1242 /* TODO
1243 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1244 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1245 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1246 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1247 * rate_min = 44100,
1248 * rate_max = 192000,
1249 * channels_min = 16,
1250 * channels_max = 16,
1251 * Need to add mixer control to fix sample rate
1252 *
1253 * There are 32 mono channels of 16bits each.
1254 * 24bit Audio uses 2x channels over 16bit
1255 * 96kHz uses 2x channels over 48kHz
1256 * 192kHz uses 4x channels over 48kHz
1257 * So, for 48kHz 24bit, one has 16 channels
1258 * for 96kHz 24bit, one has 8 channels
1259 * for 192kHz 24bit, one has 4 channels
1260 *
1261 */
1262 switch (emu->emu1010.internal_clock) {
1263 case 0:
1264 /* For 44.1kHz */
1265 runtime->hw.rates = SNDRV_PCM_RATE_44100;
1266 runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1267 runtime->hw.channels_min =
1268 runtime->hw.channels_max = 16;
1269 break;
1270 case 1:
1271 /* For 48kHz */
1272 runtime->hw.rates = SNDRV_PCM_RATE_48000;
1273 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1274 runtime->hw.channels_min =
1275 runtime->hw.channels_max = 16;
1276 break;
1277 };
1278 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1279 /* efx_voices_mask[0] is expected to be zero
1280 * efx_voices_mask[1] is expected to have 32bits set
1281 */
1282 } else {
1283 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1284 for (idx = 0; idx < nefx; idx++) {
1285 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1286 runtime->hw.channels_min++;
1287 runtime->hw.channels_max++;
1288 }
1289 }
1290 }
1291 epcm->capture_cr_val = emu->efx_voices_mask[0];
1292 epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1293 spin_unlock_irq(&emu->reg_lock);
1294 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1295 emu->pcm_capture_efx_substream = substream;
1296 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1297 return 0;
1298 }
1299
1300 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1301 {
1302 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1303
1304 emu->capture_interrupt = NULL;
1305 emu->pcm_capture_efx_substream = NULL;
1306 return 0;
1307 }
1308
1309 static struct snd_pcm_ops snd_emu10k1_playback_ops = {
1310 .open = snd_emu10k1_playback_open,
1311 .close = snd_emu10k1_playback_close,
1312 .ioctl = snd_pcm_lib_ioctl,
1313 .hw_params = snd_emu10k1_playback_hw_params,
1314 .hw_free = snd_emu10k1_playback_hw_free,
1315 .prepare = snd_emu10k1_playback_prepare,
1316 .trigger = snd_emu10k1_playback_trigger,
1317 .pointer = snd_emu10k1_playback_pointer,
1318 .page = snd_pcm_sgbuf_ops_page,
1319 };
1320
1321 static struct snd_pcm_ops snd_emu10k1_capture_ops = {
1322 .open = snd_emu10k1_capture_open,
1323 .close = snd_emu10k1_capture_close,
1324 .ioctl = snd_pcm_lib_ioctl,
1325 .hw_params = snd_emu10k1_capture_hw_params,
1326 .hw_free = snd_emu10k1_capture_hw_free,
1327 .prepare = snd_emu10k1_capture_prepare,
1328 .trigger = snd_emu10k1_capture_trigger,
1329 .pointer = snd_emu10k1_capture_pointer,
1330 };
1331
1332 /* EFX playback */
1333 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1334 .open = snd_emu10k1_efx_playback_open,
1335 .close = snd_emu10k1_efx_playback_close,
1336 .ioctl = snd_pcm_lib_ioctl,
1337 .hw_params = snd_emu10k1_playback_hw_params,
1338 .hw_free = snd_emu10k1_efx_playback_hw_free,
1339 .prepare = snd_emu10k1_efx_playback_prepare,
1340 .trigger = snd_emu10k1_efx_playback_trigger,
1341 .pointer = snd_emu10k1_efx_playback_pointer,
1342 .page = snd_pcm_sgbuf_ops_page,
1343 };
1344
1345 int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1346 {
1347 struct snd_pcm *pcm;
1348 struct snd_pcm_substream *substream;
1349 int err;
1350
1351 if (rpcm)
1352 *rpcm = NULL;
1353
1354 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1355 return err;
1356
1357 pcm->private_data = emu;
1358
1359 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1360 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1361
1362 pcm->info_flags = 0;
1363 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1364 strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1365 emu->pcm = pcm;
1366
1367 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1368 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1369 return err;
1370
1371 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1372 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1373
1374 if (rpcm)
1375 *rpcm = pcm;
1376
1377 return 0;
1378 }
1379
1380 int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1381 {
1382 struct snd_pcm *pcm;
1383 struct snd_pcm_substream *substream;
1384 int err;
1385
1386 if (rpcm)
1387 *rpcm = NULL;
1388
1389 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1390 return err;
1391
1392 pcm->private_data = emu;
1393
1394 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1395
1396 pcm->info_flags = 0;
1397 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1398 strcpy(pcm->name, "Multichannel Playback");
1399 emu->pcm_multi = pcm;
1400
1401 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1402 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1403 return err;
1404
1405 if (rpcm)
1406 *rpcm = pcm;
1407
1408 return 0;
1409 }
1410
1411
1412 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1413 .open = snd_emu10k1_capture_mic_open,
1414 .close = snd_emu10k1_capture_mic_close,
1415 .ioctl = snd_pcm_lib_ioctl,
1416 .hw_params = snd_emu10k1_capture_hw_params,
1417 .hw_free = snd_emu10k1_capture_hw_free,
1418 .prepare = snd_emu10k1_capture_prepare,
1419 .trigger = snd_emu10k1_capture_trigger,
1420 .pointer = snd_emu10k1_capture_pointer,
1421 };
1422
1423 int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1424 {
1425 struct snd_pcm *pcm;
1426 int err;
1427
1428 if (rpcm)
1429 *rpcm = NULL;
1430
1431 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1432 return err;
1433
1434 pcm->private_data = emu;
1435
1436 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1437
1438 pcm->info_flags = 0;
1439 strcpy(pcm->name, "Mic Capture");
1440 emu->pcm_mic = pcm;
1441
1442 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1443
1444 if (rpcm)
1445 *rpcm = pcm;
1446 return 0;
1447 }
1448
1449 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1450 {
1451 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1452 int nefx = emu->audigy ? 64 : 32;
1453 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1454 uinfo->count = nefx;
1455 uinfo->value.integer.min = 0;
1456 uinfo->value.integer.max = 1;
1457 return 0;
1458 }
1459
1460 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1461 {
1462 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1463 int nefx = emu->audigy ? 64 : 32;
1464 int idx;
1465
1466 spin_lock_irq(&emu->reg_lock);
1467 for (idx = 0; idx < nefx; idx++)
1468 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1469 spin_unlock_irq(&emu->reg_lock);
1470 return 0;
1471 }
1472
1473 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1474 {
1475 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1476 unsigned int nval[2], bits;
1477 int nefx = emu->audigy ? 64 : 32;
1478 int nefxb = emu->audigy ? 7 : 6;
1479 int change, idx;
1480
1481 nval[0] = nval[1] = 0;
1482 for (idx = 0, bits = 0; idx < nefx; idx++)
1483 if (ucontrol->value.integer.value[idx]) {
1484 nval[idx / 32] |= 1 << (idx % 32);
1485 bits++;
1486 }
1487
1488 for (idx = 0; idx < nefxb; idx++)
1489 if (1 << idx == bits)
1490 break;
1491
1492 if (idx >= nefxb)
1493 return -EINVAL;
1494
1495 spin_lock_irq(&emu->reg_lock);
1496 change = (nval[0] != emu->efx_voices_mask[0]) ||
1497 (nval[1] != emu->efx_voices_mask[1]);
1498 emu->efx_voices_mask[0] = nval[0];
1499 emu->efx_voices_mask[1] = nval[1];
1500 spin_unlock_irq(&emu->reg_lock);
1501 return change;
1502 }
1503
1504 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1505 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1506 .name = "Captured FX8010 Outputs",
1507 .info = snd_emu10k1_pcm_efx_voices_mask_info,
1508 .get = snd_emu10k1_pcm_efx_voices_mask_get,
1509 .put = snd_emu10k1_pcm_efx_voices_mask_put
1510 };
1511
1512 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1513 .open = snd_emu10k1_capture_efx_open,
1514 .close = snd_emu10k1_capture_efx_close,
1515 .ioctl = snd_pcm_lib_ioctl,
1516 .hw_params = snd_emu10k1_capture_hw_params,
1517 .hw_free = snd_emu10k1_capture_hw_free,
1518 .prepare = snd_emu10k1_capture_prepare,
1519 .trigger = snd_emu10k1_capture_trigger,
1520 .pointer = snd_emu10k1_capture_pointer,
1521 };
1522
1523
1524 /* EFX playback */
1525
1526 #define INITIAL_TRAM_SHIFT 14
1527 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1528
1529 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1530 {
1531 struct snd_pcm_substream *substream = private_data;
1532 snd_pcm_period_elapsed(substream);
1533 }
1534
1535 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1536 unsigned short *dst_right,
1537 unsigned short *src,
1538 unsigned int count,
1539 unsigned int tram_shift)
1540 {
1541 /*
1542 printk(KERN_DEBUG "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1543 "src = 0x%p, count = 0x%x\n",
1544 dst_left, dst_right, src, count);
1545 */
1546 if ((tram_shift & 1) == 0) {
1547 while (count--) {
1548 *dst_left-- = *src++;
1549 *dst_right-- = *src++;
1550 }
1551 } else {
1552 while (count--) {
1553 *dst_right-- = *src++;
1554 *dst_left-- = *src++;
1555 }
1556 }
1557 }
1558
1559 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1560 struct snd_pcm_indirect *rec, size_t bytes)
1561 {
1562 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1563 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1564 unsigned int tram_size = pcm->buffer_size;
1565 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1566 unsigned int frames = bytes >> 2, count;
1567 unsigned int tram_pos = pcm->tram_pos;
1568 unsigned int tram_shift = pcm->tram_shift;
1569
1570 while (frames > tram_pos) {
1571 count = tram_pos + 1;
1572 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1573 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1574 src, count, tram_shift);
1575 src += count * 2;
1576 frames -= count;
1577 tram_pos = (tram_size / 2) - 1;
1578 tram_shift++;
1579 }
1580 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1581 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1582 src, frames, tram_shift);
1583 tram_pos -= frames;
1584 pcm->tram_pos = tram_pos;
1585 pcm->tram_shift = tram_shift;
1586 }
1587
1588 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1589 {
1590 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1591 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1592
1593 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1594 return 0;
1595 }
1596
1597 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1598 struct snd_pcm_hw_params *hw_params)
1599 {
1600 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1601 }
1602
1603 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1604 {
1605 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1606 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1607 unsigned int i;
1608
1609 for (i = 0; i < pcm->channels; i++)
1610 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1611 snd_pcm_lib_free_pages(substream);
1612 return 0;
1613 }
1614
1615 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1616 {
1617 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1618 struct snd_pcm_runtime *runtime = substream->runtime;
1619 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1620 unsigned int i;
1621
1622 /*
1623 printk(KERN_DEBUG "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1624 "buffer_size = 0x%x (0x%x)\n",
1625 emu->fx8010.etram_pages, runtime->dma_area,
1626 runtime->buffer_size, runtime->buffer_size << 2);
1627 */
1628 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1629 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1630 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1631 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1632 pcm->tram_shift = 0;
1633 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */
1634 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */
1635 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1636 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */
1637 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1638 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1639 for (i = 0; i < pcm->channels; i++)
1640 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1641 return 0;
1642 }
1643
1644 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1645 {
1646 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1647 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1648 int result = 0;
1649
1650 spin_lock(&emu->reg_lock);
1651 switch (cmd) {
1652 case SNDRV_PCM_TRIGGER_START:
1653 /* follow thru */
1654 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1655 case SNDRV_PCM_TRIGGER_RESUME:
1656 #ifdef EMU10K1_SET_AC3_IEC958
1657 {
1658 int i;
1659 for (i = 0; i < 3; i++) {
1660 unsigned int bits;
1661 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1662 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1663 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1664 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1665 }
1666 }
1667 #endif
1668 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1669 if (result < 0)
1670 goto __err;
1671 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */
1672 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1673 break;
1674 case SNDRV_PCM_TRIGGER_STOP:
1675 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1676 case SNDRV_PCM_TRIGGER_SUSPEND:
1677 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1678 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1679 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1680 pcm->tram_shift = 0;
1681 break;
1682 default:
1683 result = -EINVAL;
1684 break;
1685 }
1686 __err:
1687 spin_unlock(&emu->reg_lock);
1688 return result;
1689 }
1690
1691 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1692 {
1693 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1694 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1695 size_t ptr; /* byte pointer */
1696
1697 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1698 return 0;
1699 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1700 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1701 }
1702
1703 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1704 {
1705 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1706 SNDRV_PCM_INFO_RESUME |
1707 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1708 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1709 .rates = SNDRV_PCM_RATE_48000,
1710 .rate_min = 48000,
1711 .rate_max = 48000,
1712 .channels_min = 1,
1713 .channels_max = 1,
1714 .buffer_bytes_max = (128*1024),
1715 .period_bytes_min = 1024,
1716 .period_bytes_max = (128*1024),
1717 .periods_min = 2,
1718 .periods_max = 1024,
1719 .fifo_size = 0,
1720 };
1721
1722 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1723 {
1724 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1725 struct snd_pcm_runtime *runtime = substream->runtime;
1726 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1727
1728 runtime->hw = snd_emu10k1_fx8010_playback;
1729 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1730 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1731 spin_lock_irq(&emu->reg_lock);
1732 if (pcm->valid == 0) {
1733 spin_unlock_irq(&emu->reg_lock);
1734 return -ENODEV;
1735 }
1736 pcm->opened = 1;
1737 spin_unlock_irq(&emu->reg_lock);
1738 return 0;
1739 }
1740
1741 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1742 {
1743 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1744 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1745
1746 spin_lock_irq(&emu->reg_lock);
1747 pcm->opened = 0;
1748 spin_unlock_irq(&emu->reg_lock);
1749 return 0;
1750 }
1751
1752 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1753 .open = snd_emu10k1_fx8010_playback_open,
1754 .close = snd_emu10k1_fx8010_playback_close,
1755 .ioctl = snd_pcm_lib_ioctl,
1756 .hw_params = snd_emu10k1_fx8010_playback_hw_params,
1757 .hw_free = snd_emu10k1_fx8010_playback_hw_free,
1758 .prepare = snd_emu10k1_fx8010_playback_prepare,
1759 .trigger = snd_emu10k1_fx8010_playback_trigger,
1760 .pointer = snd_emu10k1_fx8010_playback_pointer,
1761 .ack = snd_emu10k1_fx8010_playback_transfer,
1762 };
1763
1764 int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1765 {
1766 struct snd_pcm *pcm;
1767 struct snd_kcontrol *kctl;
1768 int err;
1769
1770 if (rpcm)
1771 *rpcm = NULL;
1772
1773 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1774 return err;
1775
1776 pcm->private_data = emu;
1777
1778 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1779 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1780
1781 pcm->info_flags = 0;
1782 strcpy(pcm->name, "Multichannel Capture/PT Playback");
1783 emu->pcm_efx = pcm;
1784 if (rpcm)
1785 *rpcm = pcm;
1786
1787 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1788 * to these
1789 */
1790
1791 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1792 if (emu->audigy) {
1793 emu->efx_voices_mask[0] = 0;
1794 if (emu->card_capabilities->emu_model)
1795 /* Pavel Hofman - 32 voices will be used for
1796 * capture (write mode) -
1797 * each bit = corresponding voice
1798 */
1799 emu->efx_voices_mask[1] = 0xffffffff;
1800 else
1801 emu->efx_voices_mask[1] = 0xffff;
1802 } else {
1803 emu->efx_voices_mask[0] = 0xffff0000;
1804 emu->efx_voices_mask[1] = 0;
1805 }
1806 /* For emu1010, the control has to set 32 upper bits (voices)
1807 * out of the 64 bits (voices) to true for the 16-channels capture
1808 * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1809 * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1810 * control can override this register's value.
1811 */
1812 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1813 if (!kctl)
1814 return -ENOMEM;
1815 kctl->id.device = device;
1816 snd_ctl_add(emu->card, kctl);
1817
1818 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1819
1820 return 0;
1821 }
Tomato firmware and modifications.