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[ALSA] Remove superfluous pcm_free callbacks
[net-next-2.6.git] / sound / pci / emu10k1 / emupcm.c
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1da177e4
LT		 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
38static 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
55static 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
66static 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
77static 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
88static 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
105static 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
159static 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
170static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = {
171 .count = 31,
172 .list = capture_period_sizes,
173 .mask = 0
174};
175
176static unsigned int capture_rates[8] = {
177 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
178};
179
180static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = {
181 .count = 8,
182 .list = capture_rates,
183 .mask = 0
184};
185
186static 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
203static 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
221static 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
237static 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 */
fe5ac9dc 265static inline int emu10k1_ccis(int stereo, int w_16)
1da177e4
LT		 266{
267 if (w_16) {
268 return stereo ? 24 : 26;
269 } else {
270 return stereo ? 24*2 : 26*2;
271 }
272}
273
274static 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
395static 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
421static 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
451static 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
480static 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
508static 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
544static 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
563static 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
569static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream)
570{
571 return snd_pcm_lib_free_pages(substream);
572}
573
574static 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
621static 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
656static 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
681static 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
703static 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
719static 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
760static 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
820static 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
848static 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
897static 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
918static 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
941static 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
964static 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
7c22f1aa
TI		 968 if (! kctl)
969 return;
1da177e4
LT		 970 if (activate)
971 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
972 else
973 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
974 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
975 SNDRV_CTL_EVENT_MASK_INFO,
976 snd_ctl_build_ioff(&id, kctl, idx));
977}
978
979static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate)
980{
981 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
982 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
983 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
984}
985
986static void snd_emu10k1_pcm_efx_mixer_notify(emu10k1_t *emu, int idx, int activate)
987{
988 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
989 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
990 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
991}
992
993static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
994{
4d572776 995 kfree(runtime->private_data);
1da177e4
LT		 996}
997
998static int snd_emu10k1_efx_playback_close(snd_pcm_substream_t * substream)
999{
1000 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1001 emu10k1_pcm_mixer_t *mix;
1002 int i;
1003
1004 for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1005 mix = &emu->efx_pcm_mixer[i];
1006 mix->epcm = NULL;
1007 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1008 }
1009 return 0;
1010}
1011
1012static int snd_emu10k1_efx_playback_open(snd_pcm_substream_t * substream)
1013{
1014 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1015 emu10k1_pcm_t *epcm;
1016 emu10k1_pcm_mixer_t *mix;
1017 snd_pcm_runtime_t *runtime = substream->runtime;
1018 int i;
1019
e560d8d8 1020 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1da177e4
LT		 1021 if (epcm == NULL)
1022 return -ENOMEM;
1023 epcm->emu = emu;
1024 epcm->type = PLAYBACK_EFX;
1025 epcm->substream = substream;
1026
1027 emu->pcm_playback_efx_substream = substream;
1028
1029 runtime->private_data = epcm;
1030 runtime->private_free = snd_emu10k1_pcm_free_substream;
1031 runtime->hw = snd_emu10k1_efx_playback;
1032
1033 for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1034 mix = &emu->efx_pcm_mixer[i];
1035 mix->send_routing[0][0] = i;
1036 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1037 mix->send_volume[0][0] = 255;
1038 mix->attn[0] = 0xffff;
1039 mix->epcm = epcm;
1040 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1041 }
1042 return 0;
1043}
1044
1045static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream)
1046{
1047 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1048 emu10k1_pcm_t *epcm;
1049 emu10k1_pcm_mixer_t *mix;
1050 snd_pcm_runtime_t *runtime = substream->runtime;
1051 int i, err;
1052
e560d8d8 1053 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1da177e4
LT		 1054 if (epcm == NULL)
1055 return -ENOMEM;
1056 epcm->emu = emu;
1057 epcm->type = PLAYBACK_EMUVOICE;
1058 epcm->substream = substream;
1059 runtime->private_data = epcm;
1060 runtime->private_free = snd_emu10k1_pcm_free_substream;
1061 runtime->hw = snd_emu10k1_playback;
1062 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1063 kfree(epcm);
1064 return err;
1065 }
1066 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1067 kfree(epcm);
1068 return err;
1069 }
1070 mix = &emu->pcm_mixer[substream->number];
1071 for (i = 0; i < 4; i++)
1072 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1073 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1074 mix->send_volume[0][0] = mix->send_volume[0][1] =
1075 mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1076 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1077 mix->epcm = epcm;
1078 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1079 return 0;
1080}
1081
1082static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream)
1083{
1084 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1085 emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
1086
1087 mix->epcm = NULL;
1088 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1089 return 0;
1090}
1091
1092static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream)
1093{
1094 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1095 snd_pcm_runtime_t *runtime = substream->runtime;
1096 emu10k1_pcm_t *epcm;
1097
e560d8d8 1098 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1da177e4
LT		 1099 if (epcm == NULL)
1100 return -ENOMEM;
1101 epcm->emu = emu;
1102 epcm->type = CAPTURE_AC97ADC;
1103 epcm->substream = substream;
1104 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1105 epcm->capture_inte = INTE_ADCBUFENABLE;
1106 epcm->capture_ba_reg = ADCBA;
1107 epcm->capture_bs_reg = ADCBS;
1108 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1109 runtime->private_data = epcm;
1110 runtime->private_free = snd_emu10k1_pcm_free_substream;
1111 runtime->hw = snd_emu10k1_capture;
1112 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1113 emu->pcm_capture_substream = substream;
1114 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1115 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1116 return 0;
1117}
1118
1119static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream)
1120{
1121 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1122
1123 emu->capture_interrupt = NULL;
1124 emu->pcm_capture_substream = NULL;
1125 return 0;
1126}
1127
1128static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream)
1129{
1130 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1131 emu10k1_pcm_t *epcm;
1132 snd_pcm_runtime_t *runtime = substream->runtime;
1133
e560d8d8 1134 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1da177e4
LT		 1135 if (epcm == NULL)
1136 return -ENOMEM;
1137 epcm->emu = emu;
1138 epcm->type = CAPTURE_AC97MIC;
1139 epcm->substream = substream;
1140 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1141 epcm->capture_inte = INTE_MICBUFENABLE;
1142 epcm->capture_ba_reg = MICBA;
1143 epcm->capture_bs_reg = MICBS;
1144 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1145 substream->runtime->private_data = epcm;
1146 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1147 runtime->hw = snd_emu10k1_capture;
1148 runtime->hw.rates = SNDRV_PCM_RATE_8000;
1149 runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1150 runtime->hw.channels_min = 1;
1151 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1152 emu->pcm_capture_mic_substream = substream;
1153 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1154 return 0;
1155}
1156
1157static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream)
1158{
1159 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1160
1161 emu->capture_interrupt = NULL;
1162 emu->pcm_capture_mic_substream = NULL;
1163 return 0;
1164}
1165
1166static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream)
1167{
1168 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1169 emu10k1_pcm_t *epcm;
1170 snd_pcm_runtime_t *runtime = substream->runtime;
1171 int nefx = emu->audigy ? 64 : 32;
1172 int idx;
1173
e560d8d8 1174 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1da177e4
LT		 1175 if (epcm == NULL)
1176 return -ENOMEM;
1177 epcm->emu = emu;
1178 epcm->type = CAPTURE_EFX;
1179 epcm->substream = substream;
1180 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1181 epcm->capture_inte = INTE_EFXBUFENABLE;
1182 epcm->capture_ba_reg = FXBA;
1183 epcm->capture_bs_reg = FXBS;
1184 epcm->capture_idx_reg = FXIDX;
1185 substream->runtime->private_data = epcm;
1186 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1187 runtime->hw = snd_emu10k1_capture;
1188 runtime->hw.rates = SNDRV_PCM_RATE_48000;
1189 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1190 spin_lock_irq(&emu->reg_lock);
1191 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1192 for (idx = 0; idx < nefx; idx++) {
1193 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1194 runtime->hw.channels_min++;
1195 runtime->hw.channels_max++;
1196 }
1197 }
1198 epcm->capture_cr_val = emu->efx_voices_mask[0];
1199 epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1200 spin_unlock_irq(&emu->reg_lock);
1201 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1202 emu->pcm_capture_efx_substream = substream;
1203 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1204 return 0;
1205}
1206
1207static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream)
1208{
1209 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1210
1211 emu->capture_interrupt = NULL;
1212 emu->pcm_capture_efx_substream = NULL;
1213 return 0;
1214}
1215
1216static snd_pcm_ops_t snd_emu10k1_playback_ops = {
1217 .open = snd_emu10k1_playback_open,
1218 .close = snd_emu10k1_playback_close,
1219 .ioctl = snd_pcm_lib_ioctl,
1220 .hw_params = snd_emu10k1_playback_hw_params,
1221 .hw_free = snd_emu10k1_playback_hw_free,
1222 .prepare = snd_emu10k1_playback_prepare,
1223 .trigger = snd_emu10k1_playback_trigger,
1224 .pointer = snd_emu10k1_playback_pointer,
1225 .page = snd_pcm_sgbuf_ops_page,
1226};
1227
1228static snd_pcm_ops_t snd_emu10k1_capture_ops = {
1229 .open = snd_emu10k1_capture_open,
1230 .close = snd_emu10k1_capture_close,
1231 .ioctl = snd_pcm_lib_ioctl,
1232 .hw_params = snd_emu10k1_capture_hw_params,
1233 .hw_free = snd_emu10k1_capture_hw_free,
1234 .prepare = snd_emu10k1_capture_prepare,
1235 .trigger = snd_emu10k1_capture_trigger,
1236 .pointer = snd_emu10k1_capture_pointer,
1237};
1238
1239/* EFX playback */
1240static snd_pcm_ops_t snd_emu10k1_efx_playback_ops = {
1241 .open = snd_emu10k1_efx_playback_open,
1242 .close = snd_emu10k1_efx_playback_close,
1243 .ioctl = snd_pcm_lib_ioctl,
1244 .hw_params = snd_emu10k1_playback_hw_params,
1245 .hw_free = snd_emu10k1_efx_playback_hw_free,
1246 .prepare = snd_emu10k1_efx_playback_prepare,
1247 .trigger = snd_emu10k1_efx_playback_trigger,
1248 .pointer = snd_emu10k1_efx_playback_pointer,
1249 .page = snd_pcm_sgbuf_ops_page,
1250};
1251
1da177e4
LT		 1252int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1253{
1254 snd_pcm_t *pcm;
1255 snd_pcm_substream_t *substream;
1256 int err;
1257
1258 if (rpcm)
1259 *rpcm = NULL;
1260
1261 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1262 return err;
1263
1264 pcm->private_data = emu;
1da177e4
LT		 1265
1266 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1267 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1268
1269 pcm->info_flags = 0;
1270 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1271 strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1272 emu->pcm = pcm;
1273
1274 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1275 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1276 return err;
1277
1278 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1279 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1280
1281 if (rpcm)
1282 *rpcm = pcm;
1283
1284 return 0;
1285}
1286
1287int __devinit snd_emu10k1_pcm_multi(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1288{
1289 snd_pcm_t *pcm;
1290 snd_pcm_substream_t *substream;
1291 int err;
1292
1293 if (rpcm)
1294 *rpcm = NULL;
1295
1296 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1297 return err;
1298
1299 pcm->private_data = emu;
1da177e4
LT		 1300
1301 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1302
1303 pcm->info_flags = 0;
1304 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1305 strcpy(pcm->name, "Multichannel Playback");
1306 emu->pcm = pcm;
1307
1308 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1309 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1310 return err;
1311
1312 if (rpcm)
1313 *rpcm = pcm;
1314
1315 return 0;
1316}
1317
1318
1319static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = {
1320 .open = snd_emu10k1_capture_mic_open,
1321 .close = snd_emu10k1_capture_mic_close,
1322 .ioctl = snd_pcm_lib_ioctl,
1323 .hw_params = snd_emu10k1_capture_hw_params,
1324 .hw_free = snd_emu10k1_capture_hw_free,
1325 .prepare = snd_emu10k1_capture_prepare,
1326 .trigger = snd_emu10k1_capture_trigger,
1327 .pointer = snd_emu10k1_capture_pointer,
1328};
1329
1da177e4
LT		 1330int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1331{
1332 snd_pcm_t *pcm;
1333 int err;
1334
1335 if (rpcm)
1336 *rpcm = NULL;
1337
1338 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1339 return err;
1340
1341 pcm->private_data = emu;
1da177e4
LT		 1342
1343 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1344
1345 pcm->info_flags = 0;
1346 strcpy(pcm->name, "Mic Capture");
1347 emu->pcm_mic = pcm;
1348
1349 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1350
1351 if (rpcm)
1352 *rpcm = pcm;
1353 return 0;
1354}
1355
1356static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1357{
1358 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1359 int nefx = emu->audigy ? 64 : 32;
1360 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1361 uinfo->count = nefx;
1362 uinfo->value.integer.min = 0;
1363 uinfo->value.integer.max = 1;
1364 return 0;
1365}
1366
1367static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1368{
1369 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1370 int nefx = emu->audigy ? 64 : 32;
1371 int idx;
1372
1373 spin_lock_irq(&emu->reg_lock);
1374 for (idx = 0; idx < nefx; idx++)
1375 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1376 spin_unlock_irq(&emu->reg_lock);
1377 return 0;
1378}
1379
1380static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1381{
1382 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1383 unsigned int nval[2], bits;
1384 int nefx = emu->audigy ? 64 : 32;
1385 int nefxb = emu->audigy ? 7 : 6;
1386 int change, idx;
1387
1388 nval[0] = nval[1] = 0;
1389 for (idx = 0, bits = 0; idx < nefx; idx++)
1390 if (ucontrol->value.integer.value[idx]) {
1391 nval[idx / 32] |= 1 << (idx % 32);
1392 bits++;
1393 }
1394
1395 for (idx = 0; idx < nefxb; idx++)
1396 if (1 << idx == bits)
1397 break;
1398
1399 if (idx >= nefxb)
1400 return -EINVAL;
1401
1402 spin_lock_irq(&emu->reg_lock);
1403 change = (nval[0] != emu->efx_voices_mask[0]) ||
1404 (nval[1] != emu->efx_voices_mask[1]);
1405 emu->efx_voices_mask[0] = nval[0];
1406 emu->efx_voices_mask[1] = nval[1];
1407 spin_unlock_irq(&emu->reg_lock);
1408 return change;
1409}
1410
1411static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = {
1412 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1413 .name = "Captured FX8010 Outputs",
1414 .info = snd_emu10k1_pcm_efx_voices_mask_info,
1415 .get = snd_emu10k1_pcm_efx_voices_mask_get,
1416 .put = snd_emu10k1_pcm_efx_voices_mask_put
1417};
1418
1419static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = {
1420 .open = snd_emu10k1_capture_efx_open,
1421 .close = snd_emu10k1_capture_efx_close,
1422 .ioctl = snd_pcm_lib_ioctl,
1423 .hw_params = snd_emu10k1_capture_hw_params,
1424 .hw_free = snd_emu10k1_capture_hw_free,
1425 .prepare = snd_emu10k1_capture_prepare,
1426 .trigger = snd_emu10k1_capture_trigger,
1427 .pointer = snd_emu10k1_capture_pointer,
1428};
1429
1430
1431/* EFX playback */
1432
1433#define INITIAL_TRAM_SHIFT 14
1434#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1435
1436static void snd_emu10k1_fx8010_playback_irq(emu10k1_t *emu, void *private_data)
1437{
1438 snd_pcm_substream_t *substream = private_data;
1439 snd_pcm_period_elapsed(substream);
1440}
1441
1442static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1443 unsigned short *dst_right,
1444 unsigned short *src,
1445 unsigned int count,
1446 unsigned int tram_shift)
1447{
1448 // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count);
1449 if ((tram_shift & 1) == 0) {
1450 while (count--) {
1451 *dst_left-- = *src++;
1452 *dst_right-- = *src++;
1453 }
1454 } else {
1455 while (count--) {
1456 *dst_right-- = *src++;
1457 *dst_left-- = *src++;
1458 }
1459 }
1460}
1461
1462static void fx8010_pb_trans_copy(snd_pcm_substream_t *substream,
1463 snd_pcm_indirect_t *rec, size_t bytes)
1464{
1465 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1466 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1467 unsigned int tram_size = pcm->buffer_size;
1468 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1469 unsigned int frames = bytes >> 2, count;
1470 unsigned int tram_pos = pcm->tram_pos;
1471 unsigned int tram_shift = pcm->tram_shift;
1472
1473 while (frames > tram_pos) {
1474 count = tram_pos + 1;
1475 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1476 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1477 src, count, tram_shift);
1478 src += count * 2;
1479 frames -= count;
1480 tram_pos = (tram_size / 2) - 1;
1481 tram_shift++;
1482 }
1483 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1484 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1485 src, frames, tram_shift);
1486 tram_pos -= frames;
1487 pcm->tram_pos = tram_pos;
1488 pcm->tram_shift = tram_shift;
1489}
1490
1491static int snd_emu10k1_fx8010_playback_transfer(snd_pcm_substream_t *substream)
1492{
1493 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1494 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1495
1496 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1497 return 0;
1498}
1499
1500static int snd_emu10k1_fx8010_playback_hw_params(snd_pcm_substream_t * substream,
1501 snd_pcm_hw_params_t * hw_params)
1502{
1503 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1504}
1505
1506static int snd_emu10k1_fx8010_playback_hw_free(snd_pcm_substream_t * substream)
1507{
1508 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1509 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1510 unsigned int i;
1511
1512 for (i = 0; i < pcm->channels; i++)
1513 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1514 snd_pcm_lib_free_pages(substream);
1515 return 0;
1516}
1517
1518static int snd_emu10k1_fx8010_playback_prepare(snd_pcm_substream_t * substream)
1519{
1520 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1521 snd_pcm_runtime_t *runtime = substream->runtime;
1522 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1523 unsigned int i;
1524
1525 // 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);
1526 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1527 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1528 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1529 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1530 pcm->tram_shift = 0;
1531 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */
1532 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */
1533 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1534 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */
1535 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1536 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1537 for (i = 0; i < pcm->channels; i++)
1538 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1539 return 0;
1540}
1541
1542static int snd_emu10k1_fx8010_playback_trigger(snd_pcm_substream_t * substream, int cmd)
1543{
1544 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1545 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1546 int result = 0;
1547
1548 spin_lock(&emu->reg_lock);
1549 switch (cmd) {
1550 case SNDRV_PCM_TRIGGER_START:
1551 /* follow thru */
1552 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1553#ifdef EMU10K1_SET_AC3_IEC958
1554 {
1555 int i;
1556 for (i = 0; i < 3; i++) {
1557 unsigned int bits;
1558 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1559 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1560 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1561 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1562 }
1563 }
1564#endif
1565 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1566 if (result < 0)
1567 goto __err;
1568 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */
1569 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1570 break;
1571 case SNDRV_PCM_TRIGGER_STOP:
1572 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1573 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1574 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1575 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1576 pcm->tram_shift = 0;
1577 break;
1578 default:
1579 result = -EINVAL;
1580 break;
1581 }
1582 __err:
1583 spin_unlock(&emu->reg_lock);
1584 return result;
1585}
1586
1587static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(snd_pcm_substream_t * substream)
1588{
1589 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1590 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1591 size_t ptr; /* byte pointer */
1592
1593 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1594 return 0;
1595 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1596 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1597}
1598
1599static snd_pcm_hardware_t snd_emu10k1_fx8010_playback =
1600{
1601 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1602 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1603 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1604 .rates = SNDRV_PCM_RATE_48000,
1605 .rate_min = 48000,
1606 .rate_max = 48000,
1607 .channels_min = 1,
1608 .channels_max = 1,
1609 .buffer_bytes_max = (128*1024),
1610 .period_bytes_min = 1024,
1611 .period_bytes_max = (128*1024),
1612 .periods_min = 1,
1613 .periods_max = 1024,
1614 .fifo_size = 0,
1615};
1616
1617static int snd_emu10k1_fx8010_playback_open(snd_pcm_substream_t * substream)
1618{
1619 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1620 snd_pcm_runtime_t *runtime = substream->runtime;
1621 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1622
1623 runtime->hw = snd_emu10k1_fx8010_playback;
1624 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1625 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1626 spin_lock_irq(&emu->reg_lock);
1627 if (pcm->valid == 0) {
1628 spin_unlock_irq(&emu->reg_lock);
1629 return -ENODEV;
1630 }
1631 pcm->opened = 1;
1632 spin_unlock_irq(&emu->reg_lock);
1633 return 0;
1634}
1635
1636static int snd_emu10k1_fx8010_playback_close(snd_pcm_substream_t * substream)
1637{
1638 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1639 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1640
1641 spin_lock_irq(&emu->reg_lock);
1642 pcm->opened = 0;
1643 spin_unlock_irq(&emu->reg_lock);
1644 return 0;
1645}
1646
1647static snd_pcm_ops_t snd_emu10k1_fx8010_playback_ops = {
1648 .open = snd_emu10k1_fx8010_playback_open,
1649 .close = snd_emu10k1_fx8010_playback_close,
1650 .ioctl = snd_pcm_lib_ioctl,
1651 .hw_params = snd_emu10k1_fx8010_playback_hw_params,
1652 .hw_free = snd_emu10k1_fx8010_playback_hw_free,
1653 .prepare = snd_emu10k1_fx8010_playback_prepare,
1654 .trigger = snd_emu10k1_fx8010_playback_trigger,
1655 .pointer = snd_emu10k1_fx8010_playback_pointer,
1656 .ack = snd_emu10k1_fx8010_playback_transfer,
1657};
1658
1da177e4
LT		 1659int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1660{
1661 snd_pcm_t *pcm;
67ed4161 1662 snd_kcontrol_t *kctl;
1da177e4
LT		 1663 int err;
1664
1665 if (rpcm)
1666 *rpcm = NULL;
1667
1668 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1669 return err;
1670
1671 pcm->private_data = emu;
1da177e4
LT		 1672
1673 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1674 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1675
1676 pcm->info_flags = 0;
1677 strcpy(pcm->name, "Multichannel Capture/PT Playback");
1678 emu->pcm_efx = pcm;
1679 if (rpcm)
1680 *rpcm = pcm;
1681
1682 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1683 * to these
1684 */
1685
1686 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1687 if (emu->audigy) {
1688 emu->efx_voices_mask[0] = 0;
1689 emu->efx_voices_mask[1] = 0xffff;
1690 } else {
1691 emu->efx_voices_mask[0] = 0xffff0000;
1692 emu->efx_voices_mask[1] = 0;
1693 }
67ed4161
CL		 1694 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1695 if (!kctl)
1696 return -ENOMEM;
1697 kctl->id.device = device;
1698 snd_ctl_add(emu->card, kctl);
1da177e4
LT		 1699
1700 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1701
1702 return 0;
1703}
Clone of davem's net-next-2.6 tree