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[PATCH] core-dumping unreadable binaries via PT_INTERP
[linux-2.6/verdex.git] / sound / pci / emu10k1 / emupcm.c
blob717e92ec9e0ae25d1f4978f9bd651e2da4069a70
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(struct snd_emu10k1 *emu,
39 struct snd_emu10k1_voice *voice)
40 {
41 struct snd_emu10k1_pcm *epcm;
42
43 if ((epcm = voice->epcm) == NULL)
44 return;
45 if (epcm->substream == NULL)
46 return;
47 #if 0
48 printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
49 epcm->substream->runtime->hw->pointer(emu, epcm->substream),
50 snd_pcm_lib_period_bytes(epcm->substream),
51 snd_pcm_lib_buffer_bytes(epcm->substream));
52 #endif
53 snd_pcm_period_elapsed(epcm->substream);
54 }
55
56 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
57 unsigned int status)
58 {
59 #if 0
60 if (status & IPR_ADCBUFHALFFULL) {
61 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
62 return;
63 }
64 #endif
65 snd_pcm_period_elapsed(emu->pcm_capture_substream);
66 }
67
68 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
69 unsigned int status)
70 {
71 #if 0
72 if (status & IPR_MICBUFHALFFULL) {
73 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
74 return;
75 }
76 #endif
77 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
78 }
79
80 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
81 unsigned int status)
82 {
83 #if 0
84 if (status & IPR_EFXBUFHALFFULL) {
85 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
86 return;
87 }
88 #endif
89 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
90 }
91
92 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
93 {
94 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
95 struct snd_pcm_runtime *runtime = substream->runtime;
96 struct snd_emu10k1_pcm *epcm = runtime->private_data;
97 unsigned int ptr;
98
99 if (!epcm->running)
100 return 0;
101 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
102 ptr += runtime->buffer_size;
103 ptr -= epcm->ccca_start_addr;
104 ptr %= runtime->buffer_size;
105
106 return ptr;
107 }
108
109 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
110 {
111 int err, i;
112
113 if (epcm->voices[1] != NULL && voices < 2) {
114 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
115 epcm->voices[1] = NULL;
116 }
117 for (i = 0; i < voices; i++) {
118 if (epcm->voices[i] == NULL)
119 break;
120 }
121 if (i == voices)
122 return 0; /* already allocated */
123
124 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
125 if (epcm->voices[i]) {
126 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
127 epcm->voices[i] = NULL;
128 }
129 }
130 err = snd_emu10k1_voice_alloc(epcm->emu,
131 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
132 voices,
133 &epcm->voices[0]);
134
135 if (err < 0)
136 return err;
137 epcm->voices[0]->epcm = epcm;
138 if (voices > 1) {
139 for (i = 1; i < voices; i++) {
140 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
141 epcm->voices[i]->epcm = epcm;
142 }
143 }
144 if (epcm->extra == NULL) {
145 err = snd_emu10k1_voice_alloc(epcm->emu,
146 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
147 1,
148 &epcm->extra);
149 if (err < 0) {
150 // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame);
151 for (i = 0; i < voices; i++) {
152 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
153 epcm->voices[i] = NULL;
154 }
155 return err;
156 }
157 epcm->extra->epcm = epcm;
158 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
159 }
160 return 0;
161 }
162
163 static unsigned int capture_period_sizes[31] = {
164 384, 448, 512, 640,
165 384*2, 448*2, 512*2, 640*2,
166 384*4, 448*4, 512*4, 640*4,
167 384*8, 448*8, 512*8, 640*8,
168 384*16, 448*16, 512*16, 640*16,
169 384*32, 448*32, 512*32, 640*32,
170 384*64, 448*64, 512*64, 640*64,
171 384*128,448*128,512*128
172 };
173
174 static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
175 .count = 31,
176 .list = capture_period_sizes,
177 .mask = 0
178 };
179
180 static unsigned int capture_rates[8] = {
181 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
182 };
183
184 static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
185 .count = 8,
186 .list = capture_rates,
187 .mask = 0
188 };
189
190 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
191 {
192 switch (rate) {
193 case 8000: return ADCCR_SAMPLERATE_8;
194 case 11025: return ADCCR_SAMPLERATE_11;
195 case 16000: return ADCCR_SAMPLERATE_16;
196 case 22050: return ADCCR_SAMPLERATE_22;
197 case 24000: return ADCCR_SAMPLERATE_24;
198 case 32000: return ADCCR_SAMPLERATE_32;
199 case 44100: return ADCCR_SAMPLERATE_44;
200 case 48000: return ADCCR_SAMPLERATE_48;
201 default:
202 snd_BUG();
203 return ADCCR_SAMPLERATE_8;
204 }
205 }
206
207 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
208 {
209 switch (rate) {
210 case 8000: return A_ADCCR_SAMPLERATE_8;
211 case 11025: return A_ADCCR_SAMPLERATE_11;
212 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */
213 case 16000: return ADCCR_SAMPLERATE_16;
214 case 22050: return ADCCR_SAMPLERATE_22;
215 case 24000: return ADCCR_SAMPLERATE_24;
216 case 32000: return ADCCR_SAMPLERATE_32;
217 case 44100: return ADCCR_SAMPLERATE_44;
218 case 48000: return ADCCR_SAMPLERATE_48;
219 default:
220 snd_BUG();
221 return A_ADCCR_SAMPLERATE_8;
222 }
223 }
224
225 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
226 {
227 unsigned int pitch_target;
228
229 pitch_target = (rate << 8) / 375;
230 pitch_target = (pitch_target >> 1) + (pitch_target & 1);
231 return pitch_target;
232 }
233
234 #define PITCH_48000 0x00004000
235 #define PITCH_96000 0x00008000
236 #define PITCH_85000 0x00007155
237 #define PITCH_80726 0x00006ba2
238 #define PITCH_67882 0x00005a82
239 #define PITCH_57081 0x00004c1c
240
241 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
242 {
243 if (pitch_target == PITCH_48000)
244 return CCCA_INTERPROM_0;
245 else if (pitch_target < PITCH_48000)
246 return CCCA_INTERPROM_1;
247 else if (pitch_target >= PITCH_96000)
248 return CCCA_INTERPROM_0;
249 else if (pitch_target >= PITCH_85000)
250 return CCCA_INTERPROM_6;
251 else if (pitch_target >= PITCH_80726)
252 return CCCA_INTERPROM_5;
253 else if (pitch_target >= PITCH_67882)
254 return CCCA_INTERPROM_4;
255 else if (pitch_target >= PITCH_57081)
256 return CCCA_INTERPROM_3;
257 else
258 return CCCA_INTERPROM_2;
259 }
260
261 /*
262 * calculate cache invalidate size
263 *
264 * stereo: channel is stereo
265 * w_16: using 16bit samples
266 *
267 * returns: cache invalidate size in samples
268 */
269 static inline int emu10k1_ccis(int stereo, int w_16)
270 {
271 if (w_16) {
272 return stereo ? 24 : 26;
273 } else {
274 return stereo ? 24*2 : 26*2;
275 }
276 }
277
278 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
279 int master, int extra,
280 struct snd_emu10k1_voice *evoice,
281 unsigned int start_addr,
282 unsigned int end_addr,
283 struct snd_emu10k1_pcm_mixer *mix)
284 {
285 struct snd_pcm_substream *substream = evoice->epcm->substream;
286 struct snd_pcm_runtime *runtime = substream->runtime;
287 unsigned int silent_page, tmp;
288 int voice, stereo, w_16;
289 unsigned char attn, send_amount[8];
290 unsigned char send_routing[8];
291 unsigned long flags;
292 unsigned int pitch_target;
293 unsigned int ccis;
294
295 voice = evoice->number;
296 stereo = runtime->channels == 2;
297 w_16 = snd_pcm_format_width(runtime->format) == 16;
298
299 if (!extra && stereo) {
300 start_addr >>= 1;
301 end_addr >>= 1;
302 }
303 if (w_16) {
304 start_addr >>= 1;
305 end_addr >>= 1;
306 }
307
308 spin_lock_irqsave(&emu->reg_lock, flags);
309
310 /* volume parameters */
311 if (extra) {
312 attn = 0;
313 memset(send_routing, 0, sizeof(send_routing));
314 send_routing[0] = 0;
315 send_routing[1] = 1;
316 send_routing[2] = 2;
317 send_routing[3] = 3;
318 memset(send_amount, 0, sizeof(send_amount));
319 } else {
320 /* mono, left, right (master voice = left) */
321 tmp = stereo ? (master ? 1 : 2) : 0;
322 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
323 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
324 }
325
326 ccis = emu10k1_ccis(stereo, w_16);
327
328 if (master) {
329 evoice->epcm->ccca_start_addr = start_addr + ccis;
330 if (extra) {
331 start_addr += ccis;
332 end_addr += ccis;
333 }
334 if (stereo && !extra) {
335 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
336 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
337 } else {
338 snd_emu10k1_ptr_write(emu, CPF, voice, 0);
339 }
340 }
341
342 // setup routing
343 if (emu->audigy) {
344 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
345 snd_emu10k1_compose_audigy_fxrt1(send_routing));
346 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
347 snd_emu10k1_compose_audigy_fxrt2(send_routing));
348 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
349 ((unsigned int)send_amount[4] << 24) |
350 ((unsigned int)send_amount[5] << 16) |
351 ((unsigned int)send_amount[6] << 8) |
352 (unsigned int)send_amount[7]);
353 } else
354 snd_emu10k1_ptr_write(emu, FXRT, voice,
355 snd_emu10k1_compose_send_routing(send_routing));
356 // Stop CA
357 // Assumption that PT is already 0 so no harm overwriting
358 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
359 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
360 snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
361 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
362 if (extra)
363 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
364 emu10k1_select_interprom(pitch_target) |
365 (w_16 ? 0 : CCCA_8BITSELECT));
366 else
367 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
368 emu10k1_select_interprom(pitch_target) |
369 (w_16 ? 0 : CCCA_8BITSELECT));
370 // Clear filter delay memory
371 snd_emu10k1_ptr_write(emu, Z1, voice, 0);
372 snd_emu10k1_ptr_write(emu, Z2, voice, 0);
373 // invalidate maps
374 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
375 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
376 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
377 // modulation envelope
378 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
379 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
380 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
381 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
382 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
383 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
384 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
385 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
386 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
387 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
388 // volume envelope
389 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
390 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
391 // filter envelope
392 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
393 // pitch envelope
394 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
395
396 spin_unlock_irqrestore(&emu->reg_lock, flags);
397 }
398
399 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
400 struct snd_pcm_hw_params *hw_params)
401 {
402 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
403 struct snd_pcm_runtime *runtime = substream->runtime;
404 struct snd_emu10k1_pcm *epcm = runtime->private_data;
405 int err;
406
407 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
408 return err;
409 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
410 return err;
411 if (err > 0) { /* change */
412 int mapped;
413 if (epcm->memblk != NULL)
414 snd_emu10k1_free_pages(emu, epcm->memblk);
415 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
416 epcm->start_addr = 0;
417 if (! epcm->memblk)
418 return -ENOMEM;
419 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
420 if (mapped < 0)
421 return -ENOMEM;
422 epcm->start_addr = mapped << PAGE_SHIFT;
423 }
424 return 0;
425 }
426
427 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
428 {
429 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
430 struct snd_pcm_runtime *runtime = substream->runtime;
431 struct snd_emu10k1_pcm *epcm;
432
433 if (runtime->private_data == NULL)
434 return 0;
435 epcm = runtime->private_data;
436 if (epcm->extra) {
437 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
438 epcm->extra = NULL;
439 }
440 if (epcm->voices[1]) {
441 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
442 epcm->voices[1] = NULL;
443 }
444 if (epcm->voices[0]) {
445 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
446 epcm->voices[0] = NULL;
447 }
448 if (epcm->memblk) {
449 snd_emu10k1_free_pages(emu, epcm->memblk);
450 epcm->memblk = NULL;
451 epcm->start_addr = 0;
452 }
453 snd_pcm_lib_free_pages(substream);
454 return 0;
455 }
456
457 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
458 {
459 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
460 struct snd_pcm_runtime *runtime = substream->runtime;
461 struct snd_emu10k1_pcm *epcm;
462 int i;
463
464 if (runtime->private_data == NULL)
465 return 0;
466 epcm = runtime->private_data;
467 if (epcm->extra) {
468 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
469 epcm->extra = NULL;
470 }
471 for (i=0; i < NUM_EFX_PLAYBACK; i++) {
472 if (epcm->voices[i]) {
473 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
474 epcm->voices[i] = NULL;
475 }
476 }
477 if (epcm->memblk) {
478 snd_emu10k1_free_pages(emu, epcm->memblk);
479 epcm->memblk = NULL;
480 epcm->start_addr = 0;
481 }
482 snd_pcm_lib_free_pages(substream);
483 return 0;
484 }
485
486 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
487 {
488 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
489 struct snd_pcm_runtime *runtime = substream->runtime;
490 struct snd_emu10k1_pcm *epcm = runtime->private_data;
491 unsigned int start_addr, end_addr;
492
493 start_addr = epcm->start_addr;
494 end_addr = snd_pcm_lib_period_bytes(substream);
495 if (runtime->channels == 2) {
496 start_addr >>= 1;
497 end_addr >>= 1;
498 }
499 end_addr += start_addr;
500 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
501 start_addr, end_addr, NULL);
502 start_addr = epcm->start_addr;
503 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
504 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
505 start_addr, end_addr,
506 &emu->pcm_mixer[substream->number]);
507 if (epcm->voices[1])
508 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
509 start_addr, end_addr,
510 &emu->pcm_mixer[substream->number]);
511 return 0;
512 }
513
514 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
515 {
516 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
517 struct snd_pcm_runtime *runtime = substream->runtime;
518 struct snd_emu10k1_pcm *epcm = runtime->private_data;
519 unsigned int start_addr, end_addr;
520 unsigned int channel_size;
521 int i;
522
523 start_addr = epcm->start_addr;
524 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
525
526 /*
527 * the kX driver leaves some space between voices
528 */
529 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
530
531 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
532 start_addr, start_addr + (channel_size / 2), NULL);
533
534 /* only difference with the master voice is we use it for the pointer */
535 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
536 start_addr, start_addr + channel_size,
537 &emu->efx_pcm_mixer[0]);
538
539 start_addr += channel_size;
540 for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
541 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
542 start_addr, start_addr + channel_size,
543 &emu->efx_pcm_mixer[i]);
544 start_addr += channel_size;
545 }
546
547 return 0;
548 }
549
550 static struct snd_pcm_hardware snd_emu10k1_efx_playback =
551 {
552 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
553 SNDRV_PCM_INFO_BLOCK_TRANSFER |
554 SNDRV_PCM_INFO_RESUME |
555 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
556 .formats = SNDRV_PCM_FMTBIT_S16_LE,
557 .rates = SNDRV_PCM_RATE_48000,
558 .rate_min = 48000,
559 .rate_max = 48000,
560 .channels_min = NUM_EFX_PLAYBACK,
561 .channels_max = NUM_EFX_PLAYBACK,
562 .buffer_bytes_max = (64*1024),
563 .period_bytes_min = 64,
564 .period_bytes_max = (64*1024),
565 .periods_min = 2,
566 .periods_max = 2,
567 .fifo_size = 0,
568 };
569
570 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
571 struct snd_pcm_hw_params *hw_params)
572 {
573 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
574 }
575
576 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
577 {
578 return snd_pcm_lib_free_pages(substream);
579 }
580
581 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
582 {
583 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
584 struct snd_pcm_runtime *runtime = substream->runtime;
585 struct snd_emu10k1_pcm *epcm = runtime->private_data;
586 int idx;
587
588 /* zeroing the buffer size will stop capture */
589 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
590 switch (epcm->type) {
591 case CAPTURE_AC97ADC:
592 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
593 break;
594 case CAPTURE_EFX:
595 if (emu->audigy) {
596 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
597 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
598 } else
599 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
600 break;
601 default:
602 break;
603 }
604 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
605 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
606 epcm->capture_bs_val = 0;
607 for (idx = 0; idx < 31; idx++) {
608 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
609 epcm->capture_bs_val = idx + 1;
610 break;
611 }
612 }
613 if (epcm->capture_bs_val == 0) {
614 snd_BUG();
615 epcm->capture_bs_val++;
616 }
617 if (epcm->type == CAPTURE_AC97ADC) {
618 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
619 if (runtime->channels > 1)
620 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
621 epcm->capture_cr_val |= emu->audigy ?
622 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
623 snd_emu10k1_capture_rate_reg(runtime->rate);
624 }
625 return 0;
626 }
627
628 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
629 {
630 struct snd_pcm_runtime *runtime;
631 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
632
633 if (evoice == NULL)
634 return;
635 runtime = evoice->epcm->substream->runtime;
636 voice = evoice->number;
637 stereo = (!extra && runtime->channels == 2);
638 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
639 ccis = emu10k1_ccis(stereo, sample == 0);
640 // set cs to 2 * number of cache registers beside the invalidated
641 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
642 if (cs > 16) cs = 16;
643 for (i = 0; i < cs; i++) {
644 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
645 if (stereo) {
646 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
647 }
648 }
649 // reset cache
650 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
651 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
652 if (stereo) {
653 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
654 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
655 }
656 // fill cache
657 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
658 if (stereo) {
659 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
660 }
661 }
662
663 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
664 int master, int extra,
665 struct snd_emu10k1_pcm_mixer *mix)
666 {
667 struct snd_pcm_substream *substream;
668 struct snd_pcm_runtime *runtime;
669 unsigned int attn, vattn;
670 unsigned int voice, tmp;
671
672 if (evoice == NULL) /* skip second voice for mono */
673 return;
674 substream = evoice->epcm->substream;
675 runtime = substream->runtime;
676 voice = evoice->number;
677
678 attn = extra ? 0 : 0x00ff;
679 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
680 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
681 snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
682 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
683 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
684 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
685 snd_emu10k1_voice_clear_loop_stop(emu, voice);
686 }
687
688 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
689 {
690 struct snd_pcm_substream *substream;
691 struct snd_pcm_runtime *runtime;
692 unsigned int voice, pitch, pitch_target;
693
694 if (evoice == NULL) /* skip second voice for mono */
695 return;
696 substream = evoice->epcm->substream;
697 runtime = substream->runtime;
698 voice = evoice->number;
699
700 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
701 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
702 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
703 if (master || evoice->epcm->type == PLAYBACK_EFX)
704 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
705 snd_emu10k1_ptr_write(emu, IP, voice, pitch);
706 if (extra)
707 snd_emu10k1_voice_intr_enable(emu, voice);
708 }
709
710 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
711 {
712 unsigned int voice;
713
714 if (evoice == NULL)
715 return;
716 voice = evoice->number;
717 snd_emu10k1_voice_intr_disable(emu, voice);
718 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
719 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
720 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
721 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
722 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
723 snd_emu10k1_ptr_write(emu, IP, voice, 0);
724 }
725
726 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
727 int cmd)
728 {
729 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
730 struct snd_pcm_runtime *runtime = substream->runtime;
731 struct snd_emu10k1_pcm *epcm = runtime->private_data;
732 struct snd_emu10k1_pcm_mixer *mix;
733 int result = 0;
734
735 // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream));
736 spin_lock(&emu->reg_lock);
737 switch (cmd) {
738 case SNDRV_PCM_TRIGGER_START:
739 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */
740 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
741 /* follow thru */
742 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
743 case SNDRV_PCM_TRIGGER_RESUME:
744 mix = &emu->pcm_mixer[substream->number];
745 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
746 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
747 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
748 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
749 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
750 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
751 epcm->running = 1;
752 break;
753 case SNDRV_PCM_TRIGGER_STOP:
754 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
755 case SNDRV_PCM_TRIGGER_SUSPEND:
756 epcm->running = 0;
757 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
758 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
759 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
760 break;
761 default:
762 result = -EINVAL;
763 break;
764 }
765 spin_unlock(&emu->reg_lock);
766 return result;
767 }
768
769 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
770 int cmd)
771 {
772 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
773 struct snd_pcm_runtime *runtime = substream->runtime;
774 struct snd_emu10k1_pcm *epcm = runtime->private_data;
775 int result = 0;
776
777 spin_lock(&emu->reg_lock);
778 switch (cmd) {
779 case SNDRV_PCM_TRIGGER_START:
780 case SNDRV_PCM_TRIGGER_RESUME:
781 // hmm this should cause full and half full interrupt to be raised?
782 outl(epcm->capture_ipr, emu->port + IPR);
783 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
784 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs);
785 switch (epcm->type) {
786 case CAPTURE_AC97ADC:
787 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
788 break;
789 case CAPTURE_EFX:
790 if (emu->audigy) {
791 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
792 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
793 } else
794 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
795 break;
796 default:
797 break;
798 }
799 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
800 epcm->running = 1;
801 epcm->first_ptr = 1;
802 break;
803 case SNDRV_PCM_TRIGGER_STOP:
804 case SNDRV_PCM_TRIGGER_SUSPEND:
805 epcm->running = 0;
806 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
807 outl(epcm->capture_ipr, emu->port + IPR);
808 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
809 switch (epcm->type) {
810 case CAPTURE_AC97ADC:
811 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
812 break;
813 case CAPTURE_EFX:
814 if (emu->audigy) {
815 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
816 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
817 } else
818 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
819 break;
820 default:
821 break;
822 }
823 break;
824 default:
825 result = -EINVAL;
826 }
827 spin_unlock(&emu->reg_lock);
828 return result;
829 }
830
831 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
832 {
833 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
834 struct snd_pcm_runtime *runtime = substream->runtime;
835 struct snd_emu10k1_pcm *epcm = runtime->private_data;
836 unsigned int ptr;
837
838 if (!epcm->running)
839 return 0;
840 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
841 #if 0 /* Perex's code */
842 ptr += runtime->buffer_size;
843 ptr -= epcm->ccca_start_addr;
844 ptr %= runtime->buffer_size;
845 #else /* EMU10K1 Open Source code from Creative */
846 if (ptr < epcm->ccca_start_addr)
847 ptr += runtime->buffer_size - epcm->ccca_start_addr;
848 else {
849 ptr -= epcm->ccca_start_addr;
850 if (ptr >= runtime->buffer_size)
851 ptr -= runtime->buffer_size;
852 }
853 #endif
854 // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
855 return ptr;
856 }
857
858
859 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
860 int cmd)
861 {
862 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
863 struct snd_pcm_runtime *runtime = substream->runtime;
864 struct snd_emu10k1_pcm *epcm = runtime->private_data;
865 int i;
866 int result = 0;
867
868 spin_lock(&emu->reg_lock);
869 switch (cmd) {
870 case SNDRV_PCM_TRIGGER_START:
871 // prepare voices
872 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
873 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
874 }
875 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
876
877 /* follow thru */
878 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
879 case SNDRV_PCM_TRIGGER_RESUME:
880 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
881 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
882 &emu->efx_pcm_mixer[0]);
883 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
884 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
885 &emu->efx_pcm_mixer[i]);
886 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
887 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
888 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
889 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
890 epcm->running = 1;
891 break;
892 case SNDRV_PCM_TRIGGER_SUSPEND:
893 case SNDRV_PCM_TRIGGER_STOP:
894 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
895 epcm->running = 0;
896 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
897 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
898 }
899 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
900 break;
901 default:
902 result = -EINVAL;
903 break;
904 }
905 spin_unlock(&emu->reg_lock);
906 return result;
907 }
908
909
910 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
911 {
912 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
913 struct snd_pcm_runtime *runtime = substream->runtime;
914 struct snd_emu10k1_pcm *epcm = runtime->private_data;
915 unsigned int ptr;
916
917 if (!epcm->running)
918 return 0;
919 if (epcm->first_ptr) {
920 udelay(50); // hack, it takes awhile until capture is started
921 epcm->first_ptr = 0;
922 }
923 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
924 return bytes_to_frames(runtime, ptr);
925 }
926
927 /*
928 * Playback support device description
929 */
930
931 static struct snd_pcm_hardware snd_emu10k1_playback =
932 {
933 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
934 SNDRV_PCM_INFO_BLOCK_TRANSFER |
935 SNDRV_PCM_INFO_RESUME |
936 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
937 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
938 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
939 .rate_min = 4000,
940 .rate_max = 96000,
941 .channels_min = 1,
942 .channels_max = 2,
943 .buffer_bytes_max = (128*1024),
944 .period_bytes_min = 64,
945 .period_bytes_max = (128*1024),
946 .periods_min = 1,
947 .periods_max = 1024,
948 .fifo_size = 0,
949 };
950
951 /*
952 * Capture support device description
953 */
954
955 static struct snd_pcm_hardware snd_emu10k1_capture =
956 {
957 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
958 SNDRV_PCM_INFO_BLOCK_TRANSFER |
959 SNDRV_PCM_INFO_RESUME |
960 SNDRV_PCM_INFO_MMAP_VALID),
961 .formats = SNDRV_PCM_FMTBIT_S16_LE,
962 .rates = SNDRV_PCM_RATE_8000_48000,
963 .rate_min = 8000,
964 .rate_max = 48000,
965 .channels_min = 1,
966 .channels_max = 2,
967 .buffer_bytes_max = (64*1024),
968 .period_bytes_min = 384,
969 .period_bytes_max = (64*1024),
970 .periods_min = 2,
971 .periods_max = 2,
972 .fifo_size = 0,
973 };
974
975 /*
976 *
977 */
978
979 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
980 {
981 struct snd_ctl_elem_id id;
982
983 if (! kctl)
984 return;
985 if (activate)
986 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
987 else
988 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
989 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
990 SNDRV_CTL_EVENT_MASK_INFO,
991 snd_ctl_build_ioff(&id, kctl, idx));
992 }
993
994 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
995 {
996 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
997 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
998 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
999 }
1000
1001 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1002 {
1003 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1004 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1005 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1006 }
1007
1008 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1009 {
1010 kfree(runtime->private_data);
1011 }
1012
1013 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1014 {
1015 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1016 struct snd_emu10k1_pcm_mixer *mix;
1017 int i;
1018
1019 for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1020 mix = &emu->efx_pcm_mixer[i];
1021 mix->epcm = NULL;
1022 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1023 }
1024 return 0;
1025 }
1026
1027 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1028 {
1029 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1030 struct snd_emu10k1_pcm *epcm;
1031 struct snd_emu10k1_pcm_mixer *mix;
1032 struct snd_pcm_runtime *runtime = substream->runtime;
1033 int i;
1034
1035 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1036 if (epcm == NULL)
1037 return -ENOMEM;
1038 epcm->emu = emu;
1039 epcm->type = PLAYBACK_EFX;
1040 epcm->substream = substream;
1041
1042 emu->pcm_playback_efx_substream = substream;
1043
1044 runtime->private_data = epcm;
1045 runtime->private_free = snd_emu10k1_pcm_free_substream;
1046 runtime->hw = snd_emu10k1_efx_playback;
1047
1048 for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1049 mix = &emu->efx_pcm_mixer[i];
1050 mix->send_routing[0][0] = i;
1051 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1052 mix->send_volume[0][0] = 255;
1053 mix->attn[0] = 0xffff;
1054 mix->epcm = epcm;
1055 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1056 }
1057 return 0;
1058 }
1059
1060 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1061 {
1062 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1063 struct snd_emu10k1_pcm *epcm;
1064 struct snd_emu10k1_pcm_mixer *mix;
1065 struct snd_pcm_runtime *runtime = substream->runtime;
1066 int i, err;
1067
1068 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1069 if (epcm == NULL)
1070 return -ENOMEM;
1071 epcm->emu = emu;
1072 epcm->type = PLAYBACK_EMUVOICE;
1073 epcm->substream = substream;
1074 runtime->private_data = epcm;
1075 runtime->private_free = snd_emu10k1_pcm_free_substream;
1076 runtime->hw = snd_emu10k1_playback;
1077 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1078 kfree(epcm);
1079 return err;
1080 }
1081 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1082 kfree(epcm);
1083 return err;
1084 }
1085 mix = &emu->pcm_mixer[substream->number];
1086 for (i = 0; i < 4; i++)
1087 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1088 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1089 mix->send_volume[0][0] = mix->send_volume[0][1] =
1090 mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1091 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1092 mix->epcm = epcm;
1093 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1094 return 0;
1095 }
1096
1097 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1098 {
1099 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1100 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1101
1102 mix->epcm = NULL;
1103 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1104 return 0;
1105 }
1106
1107 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1108 {
1109 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1110 struct snd_pcm_runtime *runtime = substream->runtime;
1111 struct snd_emu10k1_pcm *epcm;
1112
1113 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1114 if (epcm == NULL)
1115 return -ENOMEM;
1116 epcm->emu = emu;
1117 epcm->type = CAPTURE_AC97ADC;
1118 epcm->substream = substream;
1119 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1120 epcm->capture_inte = INTE_ADCBUFENABLE;
1121 epcm->capture_ba_reg = ADCBA;
1122 epcm->capture_bs_reg = ADCBS;
1123 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1124 runtime->private_data = epcm;
1125 runtime->private_free = snd_emu10k1_pcm_free_substream;
1126 runtime->hw = snd_emu10k1_capture;
1127 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1128 emu->pcm_capture_substream = substream;
1129 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1130 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1131 return 0;
1132 }
1133
1134 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1135 {
1136 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1137
1138 emu->capture_interrupt = NULL;
1139 emu->pcm_capture_substream = NULL;
1140 return 0;
1141 }
1142
1143 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1144 {
1145 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1146 struct snd_emu10k1_pcm *epcm;
1147 struct snd_pcm_runtime *runtime = substream->runtime;
1148
1149 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1150 if (epcm == NULL)
1151 return -ENOMEM;
1152 epcm->emu = emu;
1153 epcm->type = CAPTURE_AC97MIC;
1154 epcm->substream = substream;
1155 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1156 epcm->capture_inte = INTE_MICBUFENABLE;
1157 epcm->capture_ba_reg = MICBA;
1158 epcm->capture_bs_reg = MICBS;
1159 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1160 substream->runtime->private_data = epcm;
1161 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1162 runtime->hw = snd_emu10k1_capture;
1163 runtime->hw.rates = SNDRV_PCM_RATE_8000;
1164 runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1165 runtime->hw.channels_min = 1;
1166 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1167 emu->pcm_capture_mic_substream = substream;
1168 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1169 return 0;
1170 }
1171
1172 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1173 {
1174 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1175
1176 emu->capture_interrupt = NULL;
1177 emu->pcm_capture_mic_substream = NULL;
1178 return 0;
1179 }
1180
1181 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1182 {
1183 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1184 struct snd_emu10k1_pcm *epcm;
1185 struct snd_pcm_runtime *runtime = substream->runtime;
1186 int nefx = emu->audigy ? 64 : 32;
1187 int idx;
1188
1189 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1190 if (epcm == NULL)
1191 return -ENOMEM;
1192 epcm->emu = emu;
1193 epcm->type = CAPTURE_EFX;
1194 epcm->substream = substream;
1195 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1196 epcm->capture_inte = INTE_EFXBUFENABLE;
1197 epcm->capture_ba_reg = FXBA;
1198 epcm->capture_bs_reg = FXBS;
1199 epcm->capture_idx_reg = FXIDX;
1200 substream->runtime->private_data = epcm;
1201 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1202 runtime->hw = snd_emu10k1_capture;
1203 runtime->hw.rates = SNDRV_PCM_RATE_48000;
1204 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1205 spin_lock_irq(&emu->reg_lock);
1206 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1207 for (idx = 0; idx < nefx; idx++) {
1208 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1209 runtime->hw.channels_min++;
1210 runtime->hw.channels_max++;
1211 }
1212 }
1213 epcm->capture_cr_val = emu->efx_voices_mask[0];
1214 epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1215 spin_unlock_irq(&emu->reg_lock);
1216 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1217 emu->pcm_capture_efx_substream = substream;
1218 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1219 return 0;
1220 }
1221
1222 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1223 {
1224 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1225
1226 emu->capture_interrupt = NULL;
1227 emu->pcm_capture_efx_substream = NULL;
1228 return 0;
1229 }
1230
1231 static struct snd_pcm_ops snd_emu10k1_playback_ops = {
1232 .open = snd_emu10k1_playback_open,
1233 .close = snd_emu10k1_playback_close,
1234 .ioctl = snd_pcm_lib_ioctl,
1235 .hw_params = snd_emu10k1_playback_hw_params,
1236 .hw_free = snd_emu10k1_playback_hw_free,
1237 .prepare = snd_emu10k1_playback_prepare,
1238 .trigger = snd_emu10k1_playback_trigger,
1239 .pointer = snd_emu10k1_playback_pointer,
1240 .page = snd_pcm_sgbuf_ops_page,
1241 };
1242
1243 static struct snd_pcm_ops snd_emu10k1_capture_ops = {
1244 .open = snd_emu10k1_capture_open,
1245 .close = snd_emu10k1_capture_close,
1246 .ioctl = snd_pcm_lib_ioctl,
1247 .hw_params = snd_emu10k1_capture_hw_params,
1248 .hw_free = snd_emu10k1_capture_hw_free,
1249 .prepare = snd_emu10k1_capture_prepare,
1250 .trigger = snd_emu10k1_capture_trigger,
1251 .pointer = snd_emu10k1_capture_pointer,
1252 };
1253
1254 /* EFX playback */
1255 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1256 .open = snd_emu10k1_efx_playback_open,
1257 .close = snd_emu10k1_efx_playback_close,
1258 .ioctl = snd_pcm_lib_ioctl,
1259 .hw_params = snd_emu10k1_playback_hw_params,
1260 .hw_free = snd_emu10k1_efx_playback_hw_free,
1261 .prepare = snd_emu10k1_efx_playback_prepare,
1262 .trigger = snd_emu10k1_efx_playback_trigger,
1263 .pointer = snd_emu10k1_efx_playback_pointer,
1264 .page = snd_pcm_sgbuf_ops_page,
1265 };
1266
1267 int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1268 {
1269 struct snd_pcm *pcm;
1270 struct snd_pcm_substream *substream;
1271 int err;
1272
1273 if (rpcm)
1274 *rpcm = NULL;
1275
1276 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1277 return err;
1278
1279 pcm->private_data = emu;
1280
1281 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1282 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1283
1284 pcm->info_flags = 0;
1285 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1286 strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1287 emu->pcm = pcm;
1288
1289 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1290 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1291 return err;
1292
1293 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1294 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1295
1296 if (rpcm)
1297 *rpcm = pcm;
1298
1299 return 0;
1300 }
1301
1302 int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1303 {
1304 struct snd_pcm *pcm;
1305 struct snd_pcm_substream *substream;
1306 int err;
1307
1308 if (rpcm)
1309 *rpcm = NULL;
1310
1311 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1312 return err;
1313
1314 pcm->private_data = emu;
1315
1316 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1317
1318 pcm->info_flags = 0;
1319 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1320 strcpy(pcm->name, "Multichannel Playback");
1321 emu->pcm_multi = pcm;
1322
1323 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1324 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1325 return err;
1326
1327 if (rpcm)
1328 *rpcm = pcm;
1329
1330 return 0;
1331 }
1332
1333
1334 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1335 .open = snd_emu10k1_capture_mic_open,
1336 .close = snd_emu10k1_capture_mic_close,
1337 .ioctl = snd_pcm_lib_ioctl,
1338 .hw_params = snd_emu10k1_capture_hw_params,
1339 .hw_free = snd_emu10k1_capture_hw_free,
1340 .prepare = snd_emu10k1_capture_prepare,
1341 .trigger = snd_emu10k1_capture_trigger,
1342 .pointer = snd_emu10k1_capture_pointer,
1343 };
1344
1345 int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1346 {
1347 struct snd_pcm *pcm;
1348 int err;
1349
1350 if (rpcm)
1351 *rpcm = NULL;
1352
1353 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1354 return err;
1355
1356 pcm->private_data = emu;
1357
1358 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1359
1360 pcm->info_flags = 0;
1361 strcpy(pcm->name, "Mic Capture");
1362 emu->pcm_mic = pcm;
1363
1364 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1365
1366 if (rpcm)
1367 *rpcm = pcm;
1368 return 0;
1369 }
1370
1371 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1372 {
1373 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1374 int nefx = emu->audigy ? 64 : 32;
1375 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1376 uinfo->count = nefx;
1377 uinfo->value.integer.min = 0;
1378 uinfo->value.integer.max = 1;
1379 return 0;
1380 }
1381
1382 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1383 {
1384 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1385 int nefx = emu->audigy ? 64 : 32;
1386 int idx;
1387
1388 spin_lock_irq(&emu->reg_lock);
1389 for (idx = 0; idx < nefx; idx++)
1390 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1391 spin_unlock_irq(&emu->reg_lock);
1392 return 0;
1393 }
1394
1395 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1396 {
1397 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1398 unsigned int nval[2], bits;
1399 int nefx = emu->audigy ? 64 : 32;
1400 int nefxb = emu->audigy ? 7 : 6;
1401 int change, idx;
1402
1403 nval[0] = nval[1] = 0;
1404 for (idx = 0, bits = 0; idx < nefx; idx++)
1405 if (ucontrol->value.integer.value[idx]) {
1406 nval[idx / 32] |= 1 << (idx % 32);
1407 bits++;
1408 }
1409
1410 for (idx = 0; idx < nefxb; idx++)
1411 if (1 << idx == bits)
1412 break;
1413
1414 if (idx >= nefxb)
1415 return -EINVAL;
1416
1417 spin_lock_irq(&emu->reg_lock);
1418 change = (nval[0] != emu->efx_voices_mask[0]) ||
1419 (nval[1] != emu->efx_voices_mask[1]);
1420 emu->efx_voices_mask[0] = nval[0];
1421 emu->efx_voices_mask[1] = nval[1];
1422 spin_unlock_irq(&emu->reg_lock);
1423 return change;
1424 }
1425
1426 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1427 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1428 .name = "Captured FX8010 Outputs",
1429 .info = snd_emu10k1_pcm_efx_voices_mask_info,
1430 .get = snd_emu10k1_pcm_efx_voices_mask_get,
1431 .put = snd_emu10k1_pcm_efx_voices_mask_put
1432 };
1433
1434 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1435 .open = snd_emu10k1_capture_efx_open,
1436 .close = snd_emu10k1_capture_efx_close,
1437 .ioctl = snd_pcm_lib_ioctl,
1438 .hw_params = snd_emu10k1_capture_hw_params,
1439 .hw_free = snd_emu10k1_capture_hw_free,
1440 .prepare = snd_emu10k1_capture_prepare,
1441 .trigger = snd_emu10k1_capture_trigger,
1442 .pointer = snd_emu10k1_capture_pointer,
1443 };
1444
1445
1446 /* EFX playback */
1447
1448 #define INITIAL_TRAM_SHIFT 14
1449 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1450
1451 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1452 {
1453 struct snd_pcm_substream *substream = private_data;
1454 snd_pcm_period_elapsed(substream);
1455 }
1456
1457 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1458 unsigned short *dst_right,
1459 unsigned short *src,
1460 unsigned int count,
1461 unsigned int tram_shift)
1462 {
1463 // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count);
1464 if ((tram_shift & 1) == 0) {
1465 while (count--) {
1466 *dst_left-- = *src++;
1467 *dst_right-- = *src++;
1468 }
1469 } else {
1470 while (count--) {
1471 *dst_right-- = *src++;
1472 *dst_left-- = *src++;
1473 }
1474 }
1475 }
1476
1477 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1478 struct snd_pcm_indirect *rec, size_t bytes)
1479 {
1480 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1481 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1482 unsigned int tram_size = pcm->buffer_size;
1483 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1484 unsigned int frames = bytes >> 2, count;
1485 unsigned int tram_pos = pcm->tram_pos;
1486 unsigned int tram_shift = pcm->tram_shift;
1487
1488 while (frames > tram_pos) {
1489 count = tram_pos + 1;
1490 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1491 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1492 src, count, tram_shift);
1493 src += count * 2;
1494 frames -= count;
1495 tram_pos = (tram_size / 2) - 1;
1496 tram_shift++;
1497 }
1498 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1499 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1500 src, frames, tram_shift);
1501 tram_pos -= frames;
1502 pcm->tram_pos = tram_pos;
1503 pcm->tram_shift = tram_shift;
1504 }
1505
1506 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1507 {
1508 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1509 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1510
1511 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1512 return 0;
1513 }
1514
1515 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1516 struct snd_pcm_hw_params *hw_params)
1517 {
1518 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1519 }
1520
1521 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1522 {
1523 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1524 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1525 unsigned int i;
1526
1527 for (i = 0; i < pcm->channels; i++)
1528 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1529 snd_pcm_lib_free_pages(substream);
1530 return 0;
1531 }
1532
1533 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1534 {
1535 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1536 struct snd_pcm_runtime *runtime = substream->runtime;
1537 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1538 unsigned int i;
1539
1540 // 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);
1541 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1542 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1543 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1544 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1545 pcm->tram_shift = 0;
1546 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */
1547 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */
1548 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1549 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */
1550 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1551 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1552 for (i = 0; i < pcm->channels; i++)
1553 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1554 return 0;
1555 }
1556
1557 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1558 {
1559 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1560 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1561 int result = 0;
1562
1563 spin_lock(&emu->reg_lock);
1564 switch (cmd) {
1565 case SNDRV_PCM_TRIGGER_START:
1566 /* follow thru */
1567 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1568 case SNDRV_PCM_TRIGGER_RESUME:
1569 #ifdef EMU10K1_SET_AC3_IEC958
1570 {
1571 int i;
1572 for (i = 0; i < 3; i++) {
1573 unsigned int bits;
1574 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1575 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1576 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1577 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1578 }
1579 }
1580 #endif
1581 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1582 if (result < 0)
1583 goto __err;
1584 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */
1585 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1586 break;
1587 case SNDRV_PCM_TRIGGER_STOP:
1588 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1589 case SNDRV_PCM_TRIGGER_SUSPEND:
1590 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1591 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1592 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1593 pcm->tram_shift = 0;
1594 break;
1595 default:
1596 result = -EINVAL;
1597 break;
1598 }
1599 __err:
1600 spin_unlock(&emu->reg_lock);
1601 return result;
1602 }
1603
1604 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1605 {
1606 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1607 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1608 size_t ptr; /* byte pointer */
1609
1610 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1611 return 0;
1612 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1613 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1614 }
1615
1616 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1617 {
1618 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1619 SNDRV_PCM_INFO_RESUME |
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(struct snd_pcm_substream *substream)
1636 {
1637 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1638 struct snd_pcm_runtime *runtime = substream->runtime;
1639 struct snd_emu10k1_fx8010_pcm *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(struct snd_pcm_substream *substream)
1655 {
1656 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1657 struct snd_emu10k1_fx8010_pcm *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 struct snd_pcm_ops 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 int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1678 {
1679 struct snd_pcm *pcm;
1680 struct snd_kcontrol *kctl;
1681 int err;
1682
1683 if (rpcm)
1684 *rpcm = NULL;
1685
1686 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1687 return err;
1688
1689 pcm->private_data = emu;
1690
1691 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1692 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1693
1694 pcm->info_flags = 0;
1695 strcpy(pcm->name, "Multichannel Capture/PT Playback");
1696 emu->pcm_efx = pcm;
1697 if (rpcm)
1698 *rpcm = pcm;
1699
1700 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1701 * to these
1702 */
1703
1704 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1705 if (emu->audigy) {
1706 emu->efx_voices_mask[0] = 0;
1707 emu->efx_voices_mask[1] = 0xffff;
1708 } else {
1709 emu->efx_voices_mask[0] = 0xffff0000;
1710 emu->efx_voices_mask[1] = 0;
1711 }
1712 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1713 if (!kctl)
1714 return -ENOMEM;
1715 kctl->id.device = device;
1716 snd_ctl_add(emu->card, kctl);
1717
1718 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1719
1720 return 0;
1721 }
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