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Linux-2.6.12-rc2
[linux-2.6/kvm.git] / sound / pci / emu10k1 / emupcm.c
blobd1c2a02c486bcbcb466062d4453c13a364b66231
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h>
30 #include <linux/pci.h>
31 #include <linux/delay.h>
32 #include <linux/slab.h>
33 #include <linux/time.h>
34 #include <linux/init.h>
35 #include <sound/core.h>
36 #include <sound/emu10k1.h>
37
38 static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice)
39 {
40 emu10k1_pcm_t *epcm;
41
42 if ((epcm = voice->epcm) == NULL)
43 return;
44 if (epcm->substream == NULL)
45 return;
46 #if 0
47 printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
48 epcm->substream->runtime->hw->pointer(emu, epcm->substream),
49 snd_pcm_lib_period_bytes(epcm->substream),
50 snd_pcm_lib_buffer_bytes(epcm->substream));
51 #endif
52 snd_pcm_period_elapsed(epcm->substream);
53 }
54
55 static void snd_emu10k1_pcm_ac97adc_interrupt(emu10k1_t *emu, unsigned int status)
56 {
57 #if 0
58 if (status & IPR_ADCBUFHALFFULL) {
59 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
60 return;
61 }
62 #endif
63 snd_pcm_period_elapsed(emu->pcm_capture_substream);
64 }
65
66 static void snd_emu10k1_pcm_ac97mic_interrupt(emu10k1_t *emu, unsigned int status)
67 {
68 #if 0
69 if (status & IPR_MICBUFHALFFULL) {
70 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
71 return;
72 }
73 #endif
74 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
75 }
76
77 static void snd_emu10k1_pcm_efx_interrupt(emu10k1_t *emu, unsigned int status)
78 {
79 #if 0
80 if (status & IPR_EFXBUFHALFFULL) {
81 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
82 return;
83 }
84 #endif
85 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
86 }
87
88 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(snd_pcm_substream_t * substream)
89 {
90 emu10k1_t *emu = snd_pcm_substream_chip(substream);
91 snd_pcm_runtime_t *runtime = substream->runtime;
92 emu10k1_pcm_t *epcm = runtime->private_data;
93 unsigned int ptr;
94
95 if (!epcm->running)
96 return 0;
97 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
98 ptr += runtime->buffer_size;
99 ptr -= epcm->ccca_start_addr;
100 ptr %= runtime->buffer_size;
101
102 return ptr;
103 }
104
105 static int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices)
106 {
107 int err, i;
108
109 if (epcm->voices[1] != NULL && voices < 2) {
110 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
111 epcm->voices[1] = NULL;
112 }
113 for (i = 0; i < voices; i++) {
114 if (epcm->voices[i] == NULL)
115 break;
116 }
117 if (i == voices)
118 return 0; /* already allocated */
119
120 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
121 if (epcm->voices[i]) {
122 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
123 epcm->voices[i] = NULL;
124 }
125 }
126 err = snd_emu10k1_voice_alloc(epcm->emu,
127 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
128 voices,
129 &epcm->voices[0]);
130
131 if (err < 0)
132 return err;
133 epcm->voices[0]->epcm = epcm;
134 if (voices > 1) {
135 for (i = 1; i < voices; i++) {
136 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
137 epcm->voices[i]->epcm = epcm;
138 }
139 }
140 if (epcm->extra == NULL) {
141 err = snd_emu10k1_voice_alloc(epcm->emu,
142 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
143 1,
144 &epcm->extra);
145 if (err < 0) {
146 // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame);
147 for (i = 0; i < voices; i++) {
148 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
149 epcm->voices[i] = NULL;
150 }
151 return err;
152 }
153 epcm->extra->epcm = epcm;
154 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
155 }
156 return 0;
157 }
158
159 static unsigned int capture_period_sizes[31] = {
160 384, 448, 512, 640,
161 384*2, 448*2, 512*2, 640*2,
162 384*4, 448*4, 512*4, 640*4,
163 384*8, 448*8, 512*8, 640*8,
164 384*16, 448*16, 512*16, 640*16,
165 384*32, 448*32, 512*32, 640*32,
166 384*64, 448*64, 512*64, 640*64,
167 384*128,448*128,512*128
168 };
169
170 static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = {
171 .count = 31,
172 .list = capture_period_sizes,
173 .mask = 0
174 };
175
176 static unsigned int capture_rates[8] = {
177 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
178 };
179
180 static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = {
181 .count = 8,
182 .list = capture_rates,
183 .mask = 0
184 };
185
186 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
187 {
188 switch (rate) {
189 case 8000: return ADCCR_SAMPLERATE_8;
190 case 11025: return ADCCR_SAMPLERATE_11;
191 case 16000: return ADCCR_SAMPLERATE_16;
192 case 22050: return ADCCR_SAMPLERATE_22;
193 case 24000: return ADCCR_SAMPLERATE_24;
194 case 32000: return ADCCR_SAMPLERATE_32;
195 case 44100: return ADCCR_SAMPLERATE_44;
196 case 48000: return ADCCR_SAMPLERATE_48;
197 default:
198 snd_BUG();
199 return ADCCR_SAMPLERATE_8;
200 }
201 }
202
203 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
204 {
205 switch (rate) {
206 case 8000: return A_ADCCR_SAMPLERATE_8;
207 case 11025: return A_ADCCR_SAMPLERATE_11;
208 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */
209 case 16000: return ADCCR_SAMPLERATE_16;
210 case 22050: return ADCCR_SAMPLERATE_22;
211 case 24000: return ADCCR_SAMPLERATE_24;
212 case 32000: return ADCCR_SAMPLERATE_32;
213 case 44100: return ADCCR_SAMPLERATE_44;
214 case 48000: return ADCCR_SAMPLERATE_48;
215 default:
216 snd_BUG();
217 return A_ADCCR_SAMPLERATE_8;
218 }
219 }
220
221 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
222 {
223 unsigned int pitch_target;
224
225 pitch_target = (rate << 8) / 375;
226 pitch_target = (pitch_target >> 1) + (pitch_target & 1);
227 return pitch_target;
228 }
229
230 #define PITCH_48000 0x00004000
231 #define PITCH_96000 0x00008000
232 #define PITCH_85000 0x00007155
233 #define PITCH_80726 0x00006ba2
234 #define PITCH_67882 0x00005a82
235 #define PITCH_57081 0x00004c1c
236
237 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
238 {
239 if (pitch_target == PITCH_48000)
240 return CCCA_INTERPROM_0;
241 else if (pitch_target < PITCH_48000)
242 return CCCA_INTERPROM_1;
243 else if (pitch_target >= PITCH_96000)
244 return CCCA_INTERPROM_0;
245 else if (pitch_target >= PITCH_85000)
246 return CCCA_INTERPROM_6;
247 else if (pitch_target >= PITCH_80726)
248 return CCCA_INTERPROM_5;
249 else if (pitch_target >= PITCH_67882)
250 return CCCA_INTERPROM_4;
251 else if (pitch_target >= PITCH_57081)
252 return CCCA_INTERPROM_3;
253 else
254 return CCCA_INTERPROM_2;
255 }
256
257 /*
258 * calculate cache invalidate size
259 *
260 * stereo: channel is stereo
261 * w_16: using 16bit samples
262 *
263 * returns: cache invalidate size in samples
264 */
265 static int inline emu10k1_ccis(int stereo, int w_16)
266 {
267 if (w_16) {
268 return stereo ? 24 : 26;
269 } else {
270 return stereo ? 24*2 : 26*2;
271 }
272 }
273
274 static void snd_emu10k1_pcm_init_voice(emu10k1_t *emu,
275 int master, int extra,
276 emu10k1_voice_t *evoice,
277 unsigned int start_addr,
278 unsigned int end_addr,
279 emu10k1_pcm_mixer_t *mix)
280 {
281 snd_pcm_substream_t *substream = evoice->epcm->substream;
282 snd_pcm_runtime_t *runtime = substream->runtime;
283 unsigned int silent_page, tmp;
284 int voice, stereo, w_16;
285 unsigned char attn, send_amount[8];
286 unsigned char send_routing[8];
287 unsigned long flags;
288 unsigned int pitch_target;
289 unsigned int ccis;
290
291 voice = evoice->number;
292 stereo = runtime->channels == 2;
293 w_16 = snd_pcm_format_width(runtime->format) == 16;
294
295 if (!extra && stereo) {
296 start_addr >>= 1;
297 end_addr >>= 1;
298 }
299 if (w_16) {
300 start_addr >>= 1;
301 end_addr >>= 1;
302 }
303
304 spin_lock_irqsave(&emu->reg_lock, flags);
305
306 /* volume parameters */
307 if (extra) {
308 attn = 0;
309 memset(send_routing, 0, sizeof(send_routing));
310 send_routing[0] = 0;
311 send_routing[1] = 1;
312 send_routing[2] = 2;
313 send_routing[3] = 3;
314 memset(send_amount, 0, sizeof(send_amount));
315 } else {
316 /* mono, left, right (master voice = left) */
317 tmp = stereo ? (master ? 1 : 2) : 0;
318 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
319 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
320 }
321
322 ccis = emu10k1_ccis(stereo, w_16);
323
324 if (master) {
325 evoice->epcm->ccca_start_addr = start_addr + ccis;
326 if (extra) {
327 start_addr += ccis;
328 end_addr += ccis;
329 }
330 if (stereo && !extra) {
331 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
332 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
333 } else {
334 snd_emu10k1_ptr_write(emu, CPF, voice, 0);
335 }
336 }
337
338 // setup routing
339 if (emu->audigy) {
340 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
341 snd_emu10k1_compose_audigy_fxrt1(send_routing));
342 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
343 snd_emu10k1_compose_audigy_fxrt2(send_routing));
344 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
345 ((unsigned int)send_amount[4] << 24) |
346 ((unsigned int)send_amount[5] << 16) |
347 ((unsigned int)send_amount[6] << 8) |
348 (unsigned int)send_amount[7]);
349 } else
350 snd_emu10k1_ptr_write(emu, FXRT, voice,
351 snd_emu10k1_compose_send_routing(send_routing));
352 // Stop CA
353 // Assumption that PT is already 0 so no harm overwriting
354 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
355 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
356 snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
357 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
358 if (extra)
359 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
360 emu10k1_select_interprom(pitch_target) |
361 (w_16 ? 0 : CCCA_8BITSELECT));
362 else
363 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
364 emu10k1_select_interprom(pitch_target) |
365 (w_16 ? 0 : CCCA_8BITSELECT));
366 // Clear filter delay memory
367 snd_emu10k1_ptr_write(emu, Z1, voice, 0);
368 snd_emu10k1_ptr_write(emu, Z2, voice, 0);
369 // invalidate maps
370 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
371 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
372 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
373 // modulation envelope
374 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
375 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
376 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
377 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
378 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
379 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
380 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
381 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
382 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
383 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
384 // volume envelope
385 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
386 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
387 // filter envelope
388 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
389 // pitch envelope
390 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
391
392 spin_unlock_irqrestore(&emu->reg_lock, flags);
393 }
394
395 static int snd_emu10k1_playback_hw_params(snd_pcm_substream_t * substream,
396 snd_pcm_hw_params_t * hw_params)
397 {
398 emu10k1_t *emu = snd_pcm_substream_chip(substream);
399 snd_pcm_runtime_t *runtime = substream->runtime;
400 emu10k1_pcm_t *epcm = runtime->private_data;
401 int err;
402
403 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
404 return err;
405 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
406 return err;
407 if (err > 0) { /* change */
408 snd_util_memblk_t *memblk;
409 if (epcm->memblk != NULL)
410 snd_emu10k1_free_pages(emu, epcm->memblk);
411 memblk = snd_emu10k1_alloc_pages(emu, substream);
412 if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) {
413 epcm->start_addr = 0;
414 return -ENOMEM;
415 }
416 epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT;
417 }
418 return 0;
419 }
420
421 static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream)
422 {
423 emu10k1_t *emu = snd_pcm_substream_chip(substream);
424 snd_pcm_runtime_t *runtime = substream->runtime;
425 emu10k1_pcm_t *epcm;
426
427 if (runtime->private_data == NULL)
428 return 0;
429 epcm = runtime->private_data;
430 if (epcm->extra) {
431 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
432 epcm->extra = NULL;
433 }
434 if (epcm->voices[1]) {
435 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
436 epcm->voices[1] = NULL;
437 }
438 if (epcm->voices[0]) {
439 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
440 epcm->voices[0] = NULL;
441 }
442 if (epcm->memblk) {
443 snd_emu10k1_free_pages(emu, epcm->memblk);
444 epcm->memblk = NULL;
445 epcm->start_addr = 0;
446 }
447 snd_pcm_lib_free_pages(substream);
448 return 0;
449 }
450
451 static int snd_emu10k1_efx_playback_hw_free(snd_pcm_substream_t * substream)
452 {
453 emu10k1_t *emu = snd_pcm_substream_chip(substream);
454 snd_pcm_runtime_t *runtime = substream->runtime;
455 emu10k1_pcm_t *epcm;
456 int i;
457
458 if (runtime->private_data == NULL)
459 return 0;
460 epcm = runtime->private_data;
461 if (epcm->extra) {
462 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
463 epcm->extra = NULL;
464 }
465 for (i=0; i < NUM_EFX_PLAYBACK; i++) {
466 if (epcm->voices[i]) {
467 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
468 epcm->voices[i] = NULL;
469 }
470 }
471 if (epcm->memblk) {
472 snd_emu10k1_free_pages(emu, epcm->memblk);
473 epcm->memblk = NULL;
474 epcm->start_addr = 0;
475 }
476 snd_pcm_lib_free_pages(substream);
477 return 0;
478 }
479
480 static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream)
481 {
482 emu10k1_t *emu = snd_pcm_substream_chip(substream);
483 snd_pcm_runtime_t *runtime = substream->runtime;
484 emu10k1_pcm_t *epcm = runtime->private_data;
485 unsigned int start_addr, end_addr;
486
487 start_addr = epcm->start_addr;
488 end_addr = snd_pcm_lib_period_bytes(substream);
489 if (runtime->channels == 2) {
490 start_addr >>= 1;
491 end_addr >>= 1;
492 }
493 end_addr += start_addr;
494 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
495 start_addr, end_addr, NULL);
496 start_addr = epcm->start_addr;
497 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
498 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
499 start_addr, end_addr,
500 &emu->pcm_mixer[substream->number]);
501 if (epcm->voices[1])
502 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
503 start_addr, end_addr,
504 &emu->pcm_mixer[substream->number]);
505 return 0;
506 }
507
508 static int snd_emu10k1_efx_playback_prepare(snd_pcm_substream_t * substream)
509 {
510 emu10k1_t *emu = snd_pcm_substream_chip(substream);
511 snd_pcm_runtime_t *runtime = substream->runtime;
512 emu10k1_pcm_t *epcm = runtime->private_data;
513 unsigned int start_addr, end_addr;
514 unsigned int channel_size;
515 int i;
516
517 start_addr = epcm->start_addr;
518 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
519
520 /*
521 * the kX driver leaves some space between voices
522 */
523 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
524
525 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
526 start_addr, start_addr + (channel_size / 2), NULL);
527
528 /* only difference with the master voice is we use it for the pointer */
529 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
530 start_addr, start_addr + channel_size,
531 &emu->efx_pcm_mixer[0]);
532
533 start_addr += channel_size;
534 for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
535 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
536 start_addr, start_addr + channel_size,
537 &emu->efx_pcm_mixer[i]);
538 start_addr += channel_size;
539 }
540
541 return 0;
542 }
543
544 static snd_pcm_hardware_t snd_emu10k1_efx_playback =
545 {
546 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
547 SNDRV_PCM_INFO_BLOCK_TRANSFER |
548 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
549 .formats = SNDRV_PCM_FMTBIT_S16_LE,
550 .rates = SNDRV_PCM_RATE_48000,
551 .rate_min = 48000,
552 .rate_max = 48000,
553 .channels_min = NUM_EFX_PLAYBACK,
554 .channels_max = NUM_EFX_PLAYBACK,
555 .buffer_bytes_max = (64*1024),
556 .period_bytes_min = 64,
557 .period_bytes_max = (64*1024),
558 .periods_min = 2,
559 .periods_max = 2,
560 .fifo_size = 0,
561 };
562
563 static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream,
564 snd_pcm_hw_params_t * hw_params)
565 {
566 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
567 }
568
569 static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream)
570 {
571 return snd_pcm_lib_free_pages(substream);
572 }
573
574 static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream)
575 {
576 emu10k1_t *emu = snd_pcm_substream_chip(substream);
577 snd_pcm_runtime_t *runtime = substream->runtime;
578 emu10k1_pcm_t *epcm = runtime->private_data;
579 int idx;
580
581 /* zeroing the buffer size will stop capture */
582 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
583 switch (epcm->type) {
584 case CAPTURE_AC97ADC:
585 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
586 break;
587 case CAPTURE_EFX:
588 if (emu->audigy) {
589 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
590 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
591 } else
592 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
593 break;
594 default:
595 break;
596 }
597 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
598 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
599 epcm->capture_bs_val = 0;
600 for (idx = 0; idx < 31; idx++) {
601 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
602 epcm->capture_bs_val = idx + 1;
603 break;
604 }
605 }
606 if (epcm->capture_bs_val == 0) {
607 snd_BUG();
608 epcm->capture_bs_val++;
609 }
610 if (epcm->type == CAPTURE_AC97ADC) {
611 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
612 if (runtime->channels > 1)
613 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
614 epcm->capture_cr_val |= emu->audigy ?
615 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
616 snd_emu10k1_capture_rate_reg(runtime->rate);
617 }
618 return 0;
619 }
620
621 static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, int extra, emu10k1_voice_t *evoice)
622 {
623 snd_pcm_runtime_t *runtime;
624 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
625
626 if (evoice == NULL)
627 return;
628 runtime = evoice->epcm->substream->runtime;
629 voice = evoice->number;
630 stereo = (!extra && runtime->channels == 2);
631 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
632 ccis = emu10k1_ccis(stereo, sample == 0);
633 // set cs to 2 * number of cache registers beside the invalidated
634 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
635 if (cs > 16) cs = 16;
636 for (i = 0; i < cs; i++) {
637 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
638 if (stereo) {
639 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
640 }
641 }
642 // reset cache
643 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
644 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
645 if (stereo) {
646 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
647 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
648 }
649 // fill cache
650 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
651 if (stereo) {
652 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
653 }
654 }
655
656 static void snd_emu10k1_playback_prepare_voice(emu10k1_t *emu, emu10k1_voice_t *evoice,
657 int master, int extra,
658 emu10k1_pcm_mixer_t *mix)
659 {
660 snd_pcm_substream_t *substream;
661 snd_pcm_runtime_t *runtime;
662 unsigned int attn, vattn;
663 unsigned int voice, tmp;
664
665 if (evoice == NULL) /* skip second voice for mono */
666 return;
667 substream = evoice->epcm->substream;
668 runtime = substream->runtime;
669 voice = evoice->number;
670
671 attn = extra ? 0 : 0x00ff;
672 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
673 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
674 snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
675 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
676 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
677 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
678 snd_emu10k1_voice_clear_loop_stop(emu, voice);
679 }
680
681 static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra)
682 {
683 snd_pcm_substream_t *substream;
684 snd_pcm_runtime_t *runtime;
685 unsigned int voice, pitch, pitch_target;
686
687 if (evoice == NULL) /* skip second voice for mono */
688 return;
689 substream = evoice->epcm->substream;
690 runtime = substream->runtime;
691 voice = evoice->number;
692
693 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
694 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
695 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
696 if (master || evoice->epcm->type == PLAYBACK_EFX)
697 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
698 snd_emu10k1_ptr_write(emu, IP, voice, pitch);
699 if (extra)
700 snd_emu10k1_voice_intr_enable(emu, voice);
701 }
702
703 static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice)
704 {
705 unsigned int voice;
706
707 if (evoice == NULL)
708 return;
709 voice = evoice->number;
710 snd_emu10k1_voice_intr_disable(emu, voice);
711 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
712 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
713 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
714 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
715 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
716 snd_emu10k1_ptr_write(emu, IP, voice, 0);
717 }
718
719 static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream,
720 int cmd)
721 {
722 emu10k1_t *emu = snd_pcm_substream_chip(substream);
723 snd_pcm_runtime_t *runtime = substream->runtime;
724 emu10k1_pcm_t *epcm = runtime->private_data;
725 emu10k1_pcm_mixer_t *mix;
726 int result = 0;
727
728 // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream));
729 spin_lock(&emu->reg_lock);
730 switch (cmd) {
731 case SNDRV_PCM_TRIGGER_START:
732 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */
733 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
734 /* follow thru */
735 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
736 mix = &emu->pcm_mixer[substream->number];
737 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
738 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
739 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
740 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
741 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
742 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
743 epcm->running = 1;
744 break;
745 case SNDRV_PCM_TRIGGER_STOP:
746 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
747 epcm->running = 0;
748 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
749 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
750 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
751 break;
752 default:
753 result = -EINVAL;
754 break;
755 }
756 spin_unlock(&emu->reg_lock);
757 return result;
758 }
759
760 static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream,
761 int cmd)
762 {
763 emu10k1_t *emu = snd_pcm_substream_chip(substream);
764 snd_pcm_runtime_t *runtime = substream->runtime;
765 emu10k1_pcm_t *epcm = runtime->private_data;
766 int result = 0;
767
768 spin_lock(&emu->reg_lock);
769 switch (cmd) {
770 case SNDRV_PCM_TRIGGER_START:
771 // hmm this should cause full and half full interrupt to be raised?
772 outl(epcm->capture_ipr, emu->port + IPR);
773 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
774 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs);
775 switch (epcm->type) {
776 case CAPTURE_AC97ADC:
777 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
778 break;
779 case CAPTURE_EFX:
780 if (emu->audigy) {
781 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
782 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
783 } else
784 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
785 break;
786 default:
787 break;
788 }
789 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
790 epcm->running = 1;
791 epcm->first_ptr = 1;
792 break;
793 case SNDRV_PCM_TRIGGER_STOP:
794 epcm->running = 0;
795 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
796 outl(epcm->capture_ipr, emu->port + IPR);
797 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
798 switch (epcm->type) {
799 case CAPTURE_AC97ADC:
800 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
801 break;
802 case CAPTURE_EFX:
803 if (emu->audigy) {
804 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
805 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
806 } else
807 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
808 break;
809 default:
810 break;
811 }
812 break;
813 default:
814 result = -EINVAL;
815 }
816 spin_unlock(&emu->reg_lock);
817 return result;
818 }
819
820 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream)
821 {
822 emu10k1_t *emu = snd_pcm_substream_chip(substream);
823 snd_pcm_runtime_t *runtime = substream->runtime;
824 emu10k1_pcm_t *epcm = runtime->private_data;
825 unsigned int ptr;
826
827 if (!epcm->running)
828 return 0;
829 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
830 #if 0 /* Perex's code */
831 ptr += runtime->buffer_size;
832 ptr -= epcm->ccca_start_addr;
833 ptr %= runtime->buffer_size;
834 #else /* EMU10K1 Open Source code from Creative */
835 if (ptr < epcm->ccca_start_addr)
836 ptr += runtime->buffer_size - epcm->ccca_start_addr;
837 else {
838 ptr -= epcm->ccca_start_addr;
839 if (ptr >= runtime->buffer_size)
840 ptr -= runtime->buffer_size;
841 }
842 #endif
843 // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
844 return ptr;
845 }
846
847
848 static int snd_emu10k1_efx_playback_trigger(snd_pcm_substream_t * substream,
849 int cmd)
850 {
851 emu10k1_t *emu = snd_pcm_substream_chip(substream);
852 snd_pcm_runtime_t *runtime = substream->runtime;
853 emu10k1_pcm_t *epcm = runtime->private_data;
854 int i;
855 int result = 0;
856
857 spin_lock(&emu->reg_lock);
858 switch (cmd) {
859 case SNDRV_PCM_TRIGGER_START:
860 // prepare voices
861 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
862 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
863 }
864 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
865
866 /* follow thru */
867 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
868 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
869 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
870 &emu->efx_pcm_mixer[0]);
871 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
872 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
873 &emu->efx_pcm_mixer[i]);
874 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
875 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
876 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
877 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
878 epcm->running = 1;
879 break;
880 case SNDRV_PCM_TRIGGER_STOP:
881 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
882 epcm->running = 0;
883 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
884 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
885 }
886 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
887 break;
888 default:
889 result = -EINVAL;
890 break;
891 }
892 spin_unlock(&emu->reg_lock);
893 return result;
894 }
895
896
897 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream)
898 {
899 emu10k1_t *emu = snd_pcm_substream_chip(substream);
900 snd_pcm_runtime_t *runtime = substream->runtime;
901 emu10k1_pcm_t *epcm = runtime->private_data;
902 unsigned int ptr;
903
904 if (!epcm->running)
905 return 0;
906 if (epcm->first_ptr) {
907 udelay(50); // hack, it takes awhile until capture is started
908 epcm->first_ptr = 0;
909 }
910 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
911 return bytes_to_frames(runtime, ptr);
912 }
913
914 /*
915 * Playback support device description
916 */
917
918 static snd_pcm_hardware_t snd_emu10k1_playback =
919 {
920 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
921 SNDRV_PCM_INFO_BLOCK_TRANSFER |
922 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
923 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
924 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
925 .rate_min = 4000,
926 .rate_max = 96000,
927 .channels_min = 1,
928 .channels_max = 2,
929 .buffer_bytes_max = (128*1024),
930 .period_bytes_min = 64,
931 .period_bytes_max = (128*1024),
932 .periods_min = 1,
933 .periods_max = 1024,
934 .fifo_size = 0,
935 };
936
937 /*
938 * Capture support device description
939 */
940
941 static snd_pcm_hardware_t snd_emu10k1_capture =
942 {
943 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
944 SNDRV_PCM_INFO_BLOCK_TRANSFER |
945 SNDRV_PCM_INFO_MMAP_VALID),
946 .formats = SNDRV_PCM_FMTBIT_S16_LE,
947 .rates = SNDRV_PCM_RATE_8000_48000,
948 .rate_min = 8000,
949 .rate_max = 48000,
950 .channels_min = 1,
951 .channels_max = 2,
952 .buffer_bytes_max = (64*1024),
953 .period_bytes_min = 384,
954 .period_bytes_max = (64*1024),
955 .periods_min = 2,
956 .periods_max = 2,
957 .fifo_size = 0,
958 };
959
960 /*
961 *
962 */
963
964 static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate)
965 {
966 snd_ctl_elem_id_t id;
967
968 snd_runtime_check(kctl != NULL, return);
969 if (activate)
970 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
971 else
972 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
973 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
974 SNDRV_CTL_EVENT_MASK_INFO,
975 snd_ctl_build_ioff(&id, kctl, idx));
976 }
977
978 static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate)
979 {
980 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
981 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
982 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
983 }
984
985 static void snd_emu10k1_pcm_efx_mixer_notify(emu10k1_t *emu, int idx, int activate)
986 {
987 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
988 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
989 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
990 }
991
992 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
993 {
994 emu10k1_pcm_t *epcm = runtime->private_data;
995
996 kfree(epcm);
997 }
998
999 static int snd_emu10k1_efx_playback_close(snd_pcm_substream_t * substream)
1000 {
1001 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1002 emu10k1_pcm_mixer_t *mix;
1003 int i;
1004
1005 for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1006 mix = &emu->efx_pcm_mixer[i];
1007 mix->epcm = NULL;
1008 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1009 }
1010 return 0;
1011 }
1012
1013 static int snd_emu10k1_efx_playback_open(snd_pcm_substream_t * substream)
1014 {
1015 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1016 emu10k1_pcm_t *epcm;
1017 emu10k1_pcm_mixer_t *mix;
1018 snd_pcm_runtime_t *runtime = substream->runtime;
1019 int i;
1020
1021 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
1022 if (epcm == NULL)
1023 return -ENOMEM;
1024 epcm->emu = emu;
1025 epcm->type = PLAYBACK_EFX;
1026 epcm->substream = substream;
1027
1028 emu->pcm_playback_efx_substream = substream;
1029
1030 runtime->private_data = epcm;
1031 runtime->private_free = snd_emu10k1_pcm_free_substream;
1032 runtime->hw = snd_emu10k1_efx_playback;
1033
1034 for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1035 mix = &emu->efx_pcm_mixer[i];
1036 mix->send_routing[0][0] = i;
1037 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1038 mix->send_volume[0][0] = 255;
1039 mix->attn[0] = 0xffff;
1040 mix->epcm = epcm;
1041 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1042 }
1043 return 0;
1044 }
1045
1046 static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream)
1047 {
1048 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1049 emu10k1_pcm_t *epcm;
1050 emu10k1_pcm_mixer_t *mix;
1051 snd_pcm_runtime_t *runtime = substream->runtime;
1052 int i, err;
1053
1054 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
1055 if (epcm == NULL)
1056 return -ENOMEM;
1057 epcm->emu = emu;
1058 epcm->type = PLAYBACK_EMUVOICE;
1059 epcm->substream = substream;
1060 runtime->private_data = epcm;
1061 runtime->private_free = snd_emu10k1_pcm_free_substream;
1062 runtime->hw = snd_emu10k1_playback;
1063 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1064 kfree(epcm);
1065 return err;
1066 }
1067 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1068 kfree(epcm);
1069 return err;
1070 }
1071 mix = &emu->pcm_mixer[substream->number];
1072 for (i = 0; i < 4; i++)
1073 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1074 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1075 mix->send_volume[0][0] = mix->send_volume[0][1] =
1076 mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1077 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1078 mix->epcm = epcm;
1079 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1080 return 0;
1081 }
1082
1083 static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream)
1084 {
1085 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1086 emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
1087
1088 mix->epcm = NULL;
1089 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1090 return 0;
1091 }
1092
1093 static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream)
1094 {
1095 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1096 snd_pcm_runtime_t *runtime = substream->runtime;
1097 emu10k1_pcm_t *epcm;
1098
1099 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
1100 if (epcm == NULL)
1101 return -ENOMEM;
1102 epcm->emu = emu;
1103 epcm->type = CAPTURE_AC97ADC;
1104 epcm->substream = substream;
1105 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1106 epcm->capture_inte = INTE_ADCBUFENABLE;
1107 epcm->capture_ba_reg = ADCBA;
1108 epcm->capture_bs_reg = ADCBS;
1109 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1110 runtime->private_data = epcm;
1111 runtime->private_free = snd_emu10k1_pcm_free_substream;
1112 runtime->hw = snd_emu10k1_capture;
1113 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1114 emu->pcm_capture_substream = substream;
1115 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1116 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1117 return 0;
1118 }
1119
1120 static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream)
1121 {
1122 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1123
1124 emu->capture_interrupt = NULL;
1125 emu->pcm_capture_substream = NULL;
1126 return 0;
1127 }
1128
1129 static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream)
1130 {
1131 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1132 emu10k1_pcm_t *epcm;
1133 snd_pcm_runtime_t *runtime = substream->runtime;
1134
1135 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
1136 if (epcm == NULL)
1137 return -ENOMEM;
1138 epcm->emu = emu;
1139 epcm->type = CAPTURE_AC97MIC;
1140 epcm->substream = substream;
1141 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1142 epcm->capture_inte = INTE_MICBUFENABLE;
1143 epcm->capture_ba_reg = MICBA;
1144 epcm->capture_bs_reg = MICBS;
1145 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1146 substream->runtime->private_data = epcm;
1147 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1148 runtime->hw = snd_emu10k1_capture;
1149 runtime->hw.rates = SNDRV_PCM_RATE_8000;
1150 runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1151 runtime->hw.channels_min = 1;
1152 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1153 emu->pcm_capture_mic_substream = substream;
1154 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1155 return 0;
1156 }
1157
1158 static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream)
1159 {
1160 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1161
1162 emu->capture_interrupt = NULL;
1163 emu->pcm_capture_mic_substream = NULL;
1164 return 0;
1165 }
1166
1167 static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream)
1168 {
1169 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1170 emu10k1_pcm_t *epcm;
1171 snd_pcm_runtime_t *runtime = substream->runtime;
1172 int nefx = emu->audigy ? 64 : 32;
1173 int idx;
1174
1175 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
1176 if (epcm == NULL)
1177 return -ENOMEM;
1178 epcm->emu = emu;
1179 epcm->type = CAPTURE_EFX;
1180 epcm->substream = substream;
1181 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1182 epcm->capture_inte = INTE_EFXBUFENABLE;
1183 epcm->capture_ba_reg = FXBA;
1184 epcm->capture_bs_reg = FXBS;
1185 epcm->capture_idx_reg = FXIDX;
1186 substream->runtime->private_data = epcm;
1187 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1188 runtime->hw = snd_emu10k1_capture;
1189 runtime->hw.rates = SNDRV_PCM_RATE_48000;
1190 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1191 spin_lock_irq(&emu->reg_lock);
1192 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1193 for (idx = 0; idx < nefx; idx++) {
1194 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1195 runtime->hw.channels_min++;
1196 runtime->hw.channels_max++;
1197 }
1198 }
1199 epcm->capture_cr_val = emu->efx_voices_mask[0];
1200 epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1201 spin_unlock_irq(&emu->reg_lock);
1202 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1203 emu->pcm_capture_efx_substream = substream;
1204 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1205 return 0;
1206 }
1207
1208 static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream)
1209 {
1210 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1211
1212 emu->capture_interrupt = NULL;
1213 emu->pcm_capture_efx_substream = NULL;
1214 return 0;
1215 }
1216
1217 static snd_pcm_ops_t snd_emu10k1_playback_ops = {
1218 .open = snd_emu10k1_playback_open,
1219 .close = snd_emu10k1_playback_close,
1220 .ioctl = snd_pcm_lib_ioctl,
1221 .hw_params = snd_emu10k1_playback_hw_params,
1222 .hw_free = snd_emu10k1_playback_hw_free,
1223 .prepare = snd_emu10k1_playback_prepare,
1224 .trigger = snd_emu10k1_playback_trigger,
1225 .pointer = snd_emu10k1_playback_pointer,
1226 .page = snd_pcm_sgbuf_ops_page,
1227 };
1228
1229 static snd_pcm_ops_t snd_emu10k1_capture_ops = {
1230 .open = snd_emu10k1_capture_open,
1231 .close = snd_emu10k1_capture_close,
1232 .ioctl = snd_pcm_lib_ioctl,
1233 .hw_params = snd_emu10k1_capture_hw_params,
1234 .hw_free = snd_emu10k1_capture_hw_free,
1235 .prepare = snd_emu10k1_capture_prepare,
1236 .trigger = snd_emu10k1_capture_trigger,
1237 .pointer = snd_emu10k1_capture_pointer,
1238 };
1239
1240 /* EFX playback */
1241 static snd_pcm_ops_t snd_emu10k1_efx_playback_ops = {
1242 .open = snd_emu10k1_efx_playback_open,
1243 .close = snd_emu10k1_efx_playback_close,
1244 .ioctl = snd_pcm_lib_ioctl,
1245 .hw_params = snd_emu10k1_playback_hw_params,
1246 .hw_free = snd_emu10k1_efx_playback_hw_free,
1247 .prepare = snd_emu10k1_efx_playback_prepare,
1248 .trigger = snd_emu10k1_efx_playback_trigger,
1249 .pointer = snd_emu10k1_efx_playback_pointer,
1250 .page = snd_pcm_sgbuf_ops_page,
1251 };
1252
1253 static void snd_emu10k1_pcm_free(snd_pcm_t *pcm)
1254 {
1255 emu10k1_t *emu = pcm->private_data;
1256 emu->pcm = NULL;
1257 snd_pcm_lib_preallocate_free_for_all(pcm);
1258 }
1259
1260 int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1261 {
1262 snd_pcm_t *pcm;
1263 snd_pcm_substream_t *substream;
1264 int err;
1265
1266 if (rpcm)
1267 *rpcm = NULL;
1268
1269 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1270 return err;
1271
1272 pcm->private_data = emu;
1273 pcm->private_free = snd_emu10k1_pcm_free;
1274
1275 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1276 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1277
1278 pcm->info_flags = 0;
1279 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1280 strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1281 emu->pcm = pcm;
1282
1283 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1284 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1285 return err;
1286
1287 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1288 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1289
1290 if (rpcm)
1291 *rpcm = pcm;
1292
1293 return 0;
1294 }
1295
1296 int __devinit snd_emu10k1_pcm_multi(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1297 {
1298 snd_pcm_t *pcm;
1299 snd_pcm_substream_t *substream;
1300 int err;
1301
1302 if (rpcm)
1303 *rpcm = NULL;
1304
1305 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1306 return err;
1307
1308 pcm->private_data = emu;
1309 pcm->private_free = snd_emu10k1_pcm_free;
1310
1311 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1312
1313 pcm->info_flags = 0;
1314 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1315 strcpy(pcm->name, "Multichannel Playback");
1316 emu->pcm = pcm;
1317
1318 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1319 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1320 return err;
1321
1322 if (rpcm)
1323 *rpcm = pcm;
1324
1325 return 0;
1326 }
1327
1328
1329 static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = {
1330 .open = snd_emu10k1_capture_mic_open,
1331 .close = snd_emu10k1_capture_mic_close,
1332 .ioctl = snd_pcm_lib_ioctl,
1333 .hw_params = snd_emu10k1_capture_hw_params,
1334 .hw_free = snd_emu10k1_capture_hw_free,
1335 .prepare = snd_emu10k1_capture_prepare,
1336 .trigger = snd_emu10k1_capture_trigger,
1337 .pointer = snd_emu10k1_capture_pointer,
1338 };
1339
1340 static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm)
1341 {
1342 emu10k1_t *emu = pcm->private_data;
1343 emu->pcm_mic = NULL;
1344 snd_pcm_lib_preallocate_free_for_all(pcm);
1345 }
1346
1347 int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1348 {
1349 snd_pcm_t *pcm;
1350 int err;
1351
1352 if (rpcm)
1353 *rpcm = NULL;
1354
1355 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1356 return err;
1357
1358 pcm->private_data = emu;
1359 pcm->private_free = snd_emu10k1_pcm_mic_free;
1360
1361 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1362
1363 pcm->info_flags = 0;
1364 strcpy(pcm->name, "Mic Capture");
1365 emu->pcm_mic = pcm;
1366
1367 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1368
1369 if (rpcm)
1370 *rpcm = pcm;
1371 return 0;
1372 }
1373
1374 static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1375 {
1376 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1377 int nefx = emu->audigy ? 64 : 32;
1378 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1379 uinfo->count = nefx;
1380 uinfo->value.integer.min = 0;
1381 uinfo->value.integer.max = 1;
1382 return 0;
1383 }
1384
1385 static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1386 {
1387 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1388 int nefx = emu->audigy ? 64 : 32;
1389 int idx;
1390
1391 spin_lock_irq(&emu->reg_lock);
1392 for (idx = 0; idx < nefx; idx++)
1393 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1394 spin_unlock_irq(&emu->reg_lock);
1395 return 0;
1396 }
1397
1398 static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1399 {
1400 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1401 unsigned int nval[2], bits;
1402 int nefx = emu->audigy ? 64 : 32;
1403 int nefxb = emu->audigy ? 7 : 6;
1404 int change, idx;
1405
1406 nval[0] = nval[1] = 0;
1407 for (idx = 0, bits = 0; idx < nefx; idx++)
1408 if (ucontrol->value.integer.value[idx]) {
1409 nval[idx / 32] |= 1 << (idx % 32);
1410 bits++;
1411 }
1412
1413 for (idx = 0; idx < nefxb; idx++)
1414 if (1 << idx == bits)
1415 break;
1416
1417 if (idx >= nefxb)
1418 return -EINVAL;
1419
1420 spin_lock_irq(&emu->reg_lock);
1421 change = (nval[0] != emu->efx_voices_mask[0]) ||
1422 (nval[1] != emu->efx_voices_mask[1]);
1423 emu->efx_voices_mask[0] = nval[0];
1424 emu->efx_voices_mask[1] = nval[1];
1425 spin_unlock_irq(&emu->reg_lock);
1426 return change;
1427 }
1428
1429 static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = {
1430 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1431 .name = "Captured FX8010 Outputs",
1432 .info = snd_emu10k1_pcm_efx_voices_mask_info,
1433 .get = snd_emu10k1_pcm_efx_voices_mask_get,
1434 .put = snd_emu10k1_pcm_efx_voices_mask_put
1435 };
1436
1437 static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = {
1438 .open = snd_emu10k1_capture_efx_open,
1439 .close = snd_emu10k1_capture_efx_close,
1440 .ioctl = snd_pcm_lib_ioctl,
1441 .hw_params = snd_emu10k1_capture_hw_params,
1442 .hw_free = snd_emu10k1_capture_hw_free,
1443 .prepare = snd_emu10k1_capture_prepare,
1444 .trigger = snd_emu10k1_capture_trigger,
1445 .pointer = snd_emu10k1_capture_pointer,
1446 };
1447
1448
1449 /* EFX playback */
1450
1451 #define INITIAL_TRAM_SHIFT 14
1452 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1453
1454 static void snd_emu10k1_fx8010_playback_irq(emu10k1_t *emu, void *private_data)
1455 {
1456 snd_pcm_substream_t *substream = private_data;
1457 snd_pcm_period_elapsed(substream);
1458 }
1459
1460 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1461 unsigned short *dst_right,
1462 unsigned short *src,
1463 unsigned int count,
1464 unsigned int tram_shift)
1465 {
1466 // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count);
1467 if ((tram_shift & 1) == 0) {
1468 while (count--) {
1469 *dst_left-- = *src++;
1470 *dst_right-- = *src++;
1471 }
1472 } else {
1473 while (count--) {
1474 *dst_right-- = *src++;
1475 *dst_left-- = *src++;
1476 }
1477 }
1478 }
1479
1480 static void fx8010_pb_trans_copy(snd_pcm_substream_t *substream,
1481 snd_pcm_indirect_t *rec, size_t bytes)
1482 {
1483 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1484 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1485 unsigned int tram_size = pcm->buffer_size;
1486 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1487 unsigned int frames = bytes >> 2, count;
1488 unsigned int tram_pos = pcm->tram_pos;
1489 unsigned int tram_shift = pcm->tram_shift;
1490
1491 while (frames > tram_pos) {
1492 count = tram_pos + 1;
1493 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1494 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1495 src, count, tram_shift);
1496 src += count * 2;
1497 frames -= count;
1498 tram_pos = (tram_size / 2) - 1;
1499 tram_shift++;
1500 }
1501 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1502 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1503 src, frames, tram_shift);
1504 tram_pos -= frames;
1505 pcm->tram_pos = tram_pos;
1506 pcm->tram_shift = tram_shift;
1507 }
1508
1509 static int snd_emu10k1_fx8010_playback_transfer(snd_pcm_substream_t *substream)
1510 {
1511 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1512 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1513
1514 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1515 return 0;
1516 }
1517
1518 static int snd_emu10k1_fx8010_playback_hw_params(snd_pcm_substream_t * substream,
1519 snd_pcm_hw_params_t * hw_params)
1520 {
1521 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1522 }
1523
1524 static int snd_emu10k1_fx8010_playback_hw_free(snd_pcm_substream_t * substream)
1525 {
1526 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1527 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1528 unsigned int i;
1529
1530 for (i = 0; i < pcm->channels; i++)
1531 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1532 snd_pcm_lib_free_pages(substream);
1533 return 0;
1534 }
1535
1536 static int snd_emu10k1_fx8010_playback_prepare(snd_pcm_substream_t * substream)
1537 {
1538 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1539 snd_pcm_runtime_t *runtime = substream->runtime;
1540 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1541 unsigned int i;
1542
1543 // printk("prepare: etram_pages = 0x%p, dma_area = 0x%x, buffer_size = 0x%x (0x%x)\n", emu->fx8010.etram_pages, runtime->dma_area, runtime->buffer_size, runtime->buffer_size << 2);
1544 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1545 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1546 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1547 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1548 pcm->tram_shift = 0;
1549 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */
1550 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */
1551 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1552 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */
1553 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1554 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1555 for (i = 0; i < pcm->channels; i++)
1556 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1557 return 0;
1558 }
1559
1560 static int snd_emu10k1_fx8010_playback_trigger(snd_pcm_substream_t * substream, int cmd)
1561 {
1562 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1563 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1564 int result = 0;
1565
1566 spin_lock(&emu->reg_lock);
1567 switch (cmd) {
1568 case SNDRV_PCM_TRIGGER_START:
1569 /* follow thru */
1570 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1571 #ifdef EMU10K1_SET_AC3_IEC958
1572 {
1573 int i;
1574 for (i = 0; i < 3; i++) {
1575 unsigned int bits;
1576 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1577 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1578 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1579 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1580 }
1581 }
1582 #endif
1583 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1584 if (result < 0)
1585 goto __err;
1586 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */
1587 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1588 break;
1589 case SNDRV_PCM_TRIGGER_STOP:
1590 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1591 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1592 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1593 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1594 pcm->tram_shift = 0;
1595 break;
1596 default:
1597 result = -EINVAL;
1598 break;
1599 }
1600 __err:
1601 spin_unlock(&emu->reg_lock);
1602 return result;
1603 }
1604
1605 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(snd_pcm_substream_t * substream)
1606 {
1607 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1608 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1609 size_t ptr; /* byte pointer */
1610
1611 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1612 return 0;
1613 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1614 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1615 }
1616
1617 static snd_pcm_hardware_t snd_emu10k1_fx8010_playback =
1618 {
1619 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1620 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1621 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1622 .rates = SNDRV_PCM_RATE_48000,
1623 .rate_min = 48000,
1624 .rate_max = 48000,
1625 .channels_min = 1,
1626 .channels_max = 1,
1627 .buffer_bytes_max = (128*1024),
1628 .period_bytes_min = 1024,
1629 .period_bytes_max = (128*1024),
1630 .periods_min = 1,
1631 .periods_max = 1024,
1632 .fifo_size = 0,
1633 };
1634
1635 static int snd_emu10k1_fx8010_playback_open(snd_pcm_substream_t * substream)
1636 {
1637 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1638 snd_pcm_runtime_t *runtime = substream->runtime;
1639 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1640
1641 runtime->hw = snd_emu10k1_fx8010_playback;
1642 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1643 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1644 spin_lock_irq(&emu->reg_lock);
1645 if (pcm->valid == 0) {
1646 spin_unlock_irq(&emu->reg_lock);
1647 return -ENODEV;
1648 }
1649 pcm->opened = 1;
1650 spin_unlock_irq(&emu->reg_lock);
1651 return 0;
1652 }
1653
1654 static int snd_emu10k1_fx8010_playback_close(snd_pcm_substream_t * substream)
1655 {
1656 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1657 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1658
1659 spin_lock_irq(&emu->reg_lock);
1660 pcm->opened = 0;
1661 spin_unlock_irq(&emu->reg_lock);
1662 return 0;
1663 }
1664
1665 static snd_pcm_ops_t snd_emu10k1_fx8010_playback_ops = {
1666 .open = snd_emu10k1_fx8010_playback_open,
1667 .close = snd_emu10k1_fx8010_playback_close,
1668 .ioctl = snd_pcm_lib_ioctl,
1669 .hw_params = snd_emu10k1_fx8010_playback_hw_params,
1670 .hw_free = snd_emu10k1_fx8010_playback_hw_free,
1671 .prepare = snd_emu10k1_fx8010_playback_prepare,
1672 .trigger = snd_emu10k1_fx8010_playback_trigger,
1673 .pointer = snd_emu10k1_fx8010_playback_pointer,
1674 .ack = snd_emu10k1_fx8010_playback_transfer,
1675 };
1676
1677 static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm)
1678 {
1679 emu10k1_t *emu = pcm->private_data;
1680 emu->pcm_efx = NULL;
1681 snd_pcm_lib_preallocate_free_for_all(pcm);
1682 }
1683
1684 int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1685 {
1686 snd_pcm_t *pcm;
1687 int err;
1688
1689 if (rpcm)
1690 *rpcm = NULL;
1691
1692 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1693 return err;
1694
1695 pcm->private_data = emu;
1696 pcm->private_free = snd_emu10k1_pcm_efx_free;
1697
1698 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1699 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1700
1701 pcm->info_flags = 0;
1702 strcpy(pcm->name, "Multichannel Capture/PT Playback");
1703 emu->pcm_efx = pcm;
1704 if (rpcm)
1705 *rpcm = pcm;
1706
1707 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1708 * to these
1709 */
1710
1711 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1712 if (emu->audigy) {
1713 emu->efx_voices_mask[0] = 0;
1714 emu->efx_voices_mask[1] = 0xffff;
1715 } else {
1716 emu->efx_voices_mask[0] = 0xffff0000;
1717 emu->efx_voices_mask[1] = 0;
1718 }
1719 snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu));
1720
1721 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1722
1723 return 0;
1724 }
kernel-based virtual machine