2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
4 * Routines for control of EMU10K1 chips / PCM routines
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include <sound/driver.h>
29 #include <linux/pci.h>
30 #include <linux/delay.h>
31 #include <linux/slab.h>
32 #include <linux/time.h>
33 #include <linux/init.h>
34 #include <sound/core.h>
35 #include <sound/emu10k1.h>
37 static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice)
41 if ((epcm = voice->epcm) == NULL)
43 if (epcm->substream == NULL)
46 printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
47 epcm->substream->runtime->hw->pointer(emu, epcm->substream),
48 snd_pcm_lib_period_bytes(epcm->substream),
49 snd_pcm_lib_buffer_bytes(epcm->substream));
51 snd_pcm_period_elapsed(epcm->substream);
54 static void snd_emu10k1_pcm_ac97adc_interrupt(emu10k1_t *emu, unsigned int status)
57 if (status & IPR_ADCBUFHALFFULL) {
58 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
62 snd_pcm_period_elapsed(emu->pcm_capture_substream);
65 static void snd_emu10k1_pcm_ac97mic_interrupt(emu10k1_t *emu, unsigned int status)
68 if (status & IPR_MICBUFHALFFULL) {
69 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
73 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
76 static void snd_emu10k1_pcm_efx_interrupt(emu10k1_t *emu, unsigned int status)
79 if (status & IPR_EFXBUFHALFFULL) {
80 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
84 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
87 static int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices)
91 if (epcm->voices[1] != NULL && voices < 2) {
92 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
93 epcm->voices[1] = NULL;
95 if (voices == 1 && epcm->voices[0] != NULL)
96 return 0; /* already allocated */
97 if (voices == 2 && epcm->voices[0] != NULL && epcm->voices[1] != NULL)
100 if (epcm->voices[0] != NULL && epcm->voices[1] == NULL) {
101 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
102 epcm->voices[0] = NULL;
105 err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, voices > 1, &epcm->voices[0]);
108 epcm->voices[0]->epcm = epcm;
110 epcm->voices[1] = &epcm->emu->voices[epcm->voices[0]->number + 1];
111 epcm->voices[1]->epcm = epcm;
113 if (epcm->extra == NULL) {
114 err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, 0, &epcm->extra);
116 // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame);
117 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
118 epcm->voices[0] = NULL;
120 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
121 epcm->voices[1] = NULL;
124 epcm->extra->epcm = epcm;
125 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
130 static unsigned int capture_period_sizes[31] = {
132 384*2, 448*2, 512*2, 640*2,
133 384*4, 448*4, 512*4, 640*4,
134 384*8, 448*8, 512*8, 640*8,
135 384*16, 448*16, 512*16, 640*16,
136 384*32, 448*32, 512*32, 640*32,
137 384*64, 448*64, 512*64, 640*64,
138 384*128,448*128,512*128
141 static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = {
143 .list = capture_period_sizes,
147 static unsigned int capture_rates[8] = {
148 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
151 static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = {
153 .list = capture_rates,
157 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
160 case 8000: return ADCCR_SAMPLERATE_8;
161 case 11025: return ADCCR_SAMPLERATE_11;
162 case 16000: return ADCCR_SAMPLERATE_16;
163 case 22050: return ADCCR_SAMPLERATE_22;
164 case 24000: return ADCCR_SAMPLERATE_24;
165 case 32000: return ADCCR_SAMPLERATE_32;
166 case 44100: return ADCCR_SAMPLERATE_44;
167 case 48000: return ADCCR_SAMPLERATE_48;
170 return ADCCR_SAMPLERATE_8;
174 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
177 case 8000: return A_ADCCR_SAMPLERATE_8;
178 case 11025: return A_ADCCR_SAMPLERATE_11;
179 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */
180 case 16000: return ADCCR_SAMPLERATE_16;
181 case 22050: return ADCCR_SAMPLERATE_22;
182 case 24000: return ADCCR_SAMPLERATE_24;
183 case 32000: return ADCCR_SAMPLERATE_32;
184 case 44100: return ADCCR_SAMPLERATE_44;
185 case 48000: return ADCCR_SAMPLERATE_48;
188 return A_ADCCR_SAMPLERATE_8;
192 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
194 unsigned int pitch_target;
196 pitch_target = (rate << 8) / 375;
197 pitch_target = (pitch_target >> 1) + (pitch_target & 1);
201 #define PITCH_48000 0x00004000
202 #define PITCH_96000 0x00008000
203 #define PITCH_85000 0x00007155
204 #define PITCH_80726 0x00006ba2
205 #define PITCH_67882 0x00005a82
206 #define PITCH_57081 0x00004c1c
208 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
210 if (pitch_target == PITCH_48000)
211 return CCCA_INTERPROM_0;
212 else if (pitch_target < PITCH_48000)
213 return CCCA_INTERPROM_1;
214 else if (pitch_target >= PITCH_96000)
215 return CCCA_INTERPROM_0;
216 else if (pitch_target >= PITCH_85000)
217 return CCCA_INTERPROM_6;
218 else if (pitch_target >= PITCH_80726)
219 return CCCA_INTERPROM_5;
220 else if (pitch_target >= PITCH_67882)
221 return CCCA_INTERPROM_4;
222 else if (pitch_target >= PITCH_57081)
223 return CCCA_INTERPROM_3;
225 return CCCA_INTERPROM_2;
229 static void snd_emu10k1_pcm_init_voice(emu10k1_t *emu,
230 int master, int extra,
231 emu10k1_voice_t *evoice,
232 unsigned int start_addr,
233 unsigned int end_addr)
235 snd_pcm_substream_t *substream = evoice->epcm->substream;
236 snd_pcm_runtime_t *runtime = substream->runtime;
237 emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
238 unsigned int silent_page, tmp;
239 int voice, stereo, w_16;
240 unsigned char attn, send_amount[8];
241 unsigned char send_routing[8];
243 unsigned int pitch_target;
245 voice = evoice->number;
246 stereo = runtime->channels == 2;
247 w_16 = snd_pcm_format_width(runtime->format) == 16;
249 if (!extra && stereo) {
258 spin_lock_irqsave(&emu->reg_lock, flags);
260 /* volume parameters */
263 memset(send_routing, 0, sizeof(send_routing));
268 memset(send_amount, 0, sizeof(send_amount));
270 tmp = stereo ? (master ? 1 : 2) : 0;
271 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
272 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
276 unsigned int ccis = stereo ? 28 : 30;
279 evoice->epcm->ccca_start_addr = start_addr + ccis;
284 if (stereo && !extra) {
285 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
286 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
288 snd_emu10k1_ptr_write(emu, CPF, voice, 0);
294 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
295 ((unsigned int)send_routing[3] << 24) |
296 ((unsigned int)send_routing[2] << 16) |
297 ((unsigned int)send_routing[1] << 8) |
298 (unsigned int)send_routing[0]);
299 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
300 ((unsigned int)send_routing[7] << 24) |
301 ((unsigned int)send_routing[6] << 16) |
302 ((unsigned int)send_routing[5] << 8) |
303 (unsigned int)send_routing[4]);
304 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
305 ((unsigned int)send_amount[4] << 24) |
306 ((unsigned int)send_amount[5] << 16) |
307 ((unsigned int)send_amount[6] << 8) |
308 (unsigned int)send_amount[7]);
310 snd_emu10k1_ptr_write(emu, FXRT, voice,
311 snd_emu10k1_compose_send_routing(send_routing));
313 // Assumption that PT is already 0 so no harm overwriting
314 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
315 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
316 snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
317 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
318 snd_emu10k1_ptr_write(emu, CCCA, voice, evoice->epcm->ccca_start_addr |
319 emu10k1_select_interprom(pitch_target) |
320 (w_16 ? 0 : CCCA_8BITSELECT));
321 // Clear filter delay memory
322 snd_emu10k1_ptr_write(emu, Z1, voice, 0);
323 snd_emu10k1_ptr_write(emu, Z2, voice, 0);
325 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
326 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
327 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
328 // modulation envelope
329 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
330 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
331 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
332 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
333 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
334 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
335 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
336 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
337 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
338 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
340 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
341 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
343 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
345 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
347 spin_unlock_irqrestore(&emu->reg_lock, flags);
350 static int snd_emu10k1_playback_hw_params(snd_pcm_substream_t * substream,
351 snd_pcm_hw_params_t * hw_params)
353 emu10k1_t *emu = snd_pcm_substream_chip(substream);
354 snd_pcm_runtime_t *runtime = substream->runtime;
355 emu10k1_pcm_t *epcm = runtime->private_data;
358 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
360 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
362 if (err > 0) { /* change */
363 snd_util_memblk_t *memblk;
364 if (epcm->memblk != NULL)
365 snd_emu10k1_free_pages(emu, epcm->memblk);
366 memblk = snd_emu10k1_alloc_pages(emu, substream);
367 if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) {
368 epcm->start_addr = 0;
371 epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT;
376 static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream)
378 emu10k1_t *emu = snd_pcm_substream_chip(substream);
379 snd_pcm_runtime_t *runtime = substream->runtime;
382 if (runtime->private_data == NULL)
384 epcm = runtime->private_data;
386 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
389 if (epcm->voices[1]) {
390 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
391 epcm->voices[1] = NULL;
393 if (epcm->voices[0]) {
394 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
395 epcm->voices[0] = NULL;
398 snd_emu10k1_free_pages(emu, epcm->memblk);
400 epcm->start_addr = 0;
402 snd_pcm_lib_free_pages(substream);
406 static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream)
408 emu10k1_t *emu = snd_pcm_substream_chip(substream);
409 snd_pcm_runtime_t *runtime = substream->runtime;
410 emu10k1_pcm_t *epcm = runtime->private_data;
411 unsigned int start_addr, end_addr;
413 start_addr = epcm->start_addr;
414 end_addr = snd_pcm_lib_period_bytes(substream);
415 if (runtime->channels == 2)
417 end_addr += start_addr;
418 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
419 start_addr, end_addr);
420 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
421 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
422 start_addr, end_addr);
424 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
425 start_addr, end_addr);
429 static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream,
430 snd_pcm_hw_params_t * hw_params)
432 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
435 static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream)
437 return snd_pcm_lib_free_pages(substream);
440 static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream)
442 emu10k1_t *emu = snd_pcm_substream_chip(substream);
443 snd_pcm_runtime_t *runtime = substream->runtime;
444 emu10k1_pcm_t *epcm = runtime->private_data;
447 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
448 switch (epcm->type) {
449 case CAPTURE_AC97ADC:
450 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
454 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
455 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
457 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
462 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
463 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
464 epcm->capture_bs_val = 0;
465 for (idx = 0; idx < 31; idx++) {
466 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
467 epcm->capture_bs_val = idx + 1;
471 if (epcm->capture_bs_val == 0) {
473 epcm->capture_bs_val++;
475 if (epcm->type == CAPTURE_AC97ADC) {
476 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
477 if (runtime->channels > 1)
478 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
479 epcm->capture_cr_val |= emu->audigy ?
480 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
481 snd_emu10k1_capture_rate_reg(runtime->rate);
486 static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, emu10k1_voice_t *evoice)
488 snd_pcm_runtime_t *runtime;
489 unsigned int voice, i, ccis, cra = 64, cs, sample;
493 runtime = evoice->epcm->substream->runtime;
494 voice = evoice->number;
495 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
496 if (runtime->channels > 1) {
503 if (sample == 0) /* 16-bit */
505 for (i = 0; i < cs; i++)
506 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
508 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
509 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
510 if (runtime->channels > 1) {
511 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
512 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
515 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
518 static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra)
520 snd_pcm_substream_t *substream;
521 snd_pcm_runtime_t *runtime;
522 emu10k1_pcm_mixer_t *mix;
523 unsigned int voice, pitch, pitch_target, tmp;
526 if (evoice == NULL) /* skip second voice for mono */
528 substream = evoice->epcm->substream;
529 runtime = substream->runtime;
530 mix = &emu->pcm_mixer[substream->number];
531 voice = evoice->number;
532 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
533 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
534 attn = extra ? 0 : 0x00ff;
535 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
536 snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
537 snd_emu10k1_ptr_write(emu, VTFT, voice, (mix->attn[tmp] << 16) | 0xffff);
538 snd_emu10k1_ptr_write(emu, CVCF, voice, (mix->attn[tmp] << 16) | 0xffff);
539 snd_emu10k1_voice_clear_loop_stop(emu, voice);
541 snd_emu10k1_voice_intr_enable(emu, voice);
542 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
543 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
545 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
546 snd_emu10k1_ptr_write(emu, IP, voice, pitch);
549 static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice)
555 voice = evoice->number;
556 snd_emu10k1_voice_intr_disable(emu, voice);
557 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
558 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
559 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
560 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
561 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
562 snd_emu10k1_ptr_write(emu, IP, voice, 0);
565 static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream,
568 emu10k1_t *emu = snd_pcm_substream_chip(substream);
569 snd_pcm_runtime_t *runtime = substream->runtime;
570 emu10k1_pcm_t *epcm = runtime->private_data;
573 // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream));
574 spin_lock(&emu->reg_lock);
576 case SNDRV_PCM_TRIGGER_START:
577 snd_emu10k1_playback_invalidate_cache(emu, epcm->extra); /* do we need this? */
578 snd_emu10k1_playback_invalidate_cache(emu, epcm->voices[0]);
580 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
581 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
582 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
583 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
586 case SNDRV_PCM_TRIGGER_STOP:
587 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
589 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
590 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
591 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
597 spin_unlock(&emu->reg_lock);
601 static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream,
604 emu10k1_t *emu = snd_pcm_substream_chip(substream);
605 snd_pcm_runtime_t *runtime = substream->runtime;
606 emu10k1_pcm_t *epcm = runtime->private_data;
609 // printk("trigger - emu10k1 = %p, cmd = %i, pointer = %i\n", emu, cmd, substream->ops->pointer(substream));
610 spin_lock(&emu->reg_lock);
612 case SNDRV_PCM_TRIGGER_START:
613 outl(epcm->capture_ipr, emu->port + IPR);
614 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
615 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs);
616 switch (epcm->type) {
617 case CAPTURE_AC97ADC:
618 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
622 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
623 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
625 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
630 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
634 case SNDRV_PCM_TRIGGER_STOP:
636 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
637 outl(epcm->capture_ipr, emu->port + IPR);
638 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
639 switch (epcm->type) {
640 case CAPTURE_AC97ADC:
641 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
645 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
646 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
648 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
657 spin_unlock(&emu->reg_lock);
661 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream)
663 emu10k1_t *emu = snd_pcm_substream_chip(substream);
664 snd_pcm_runtime_t *runtime = substream->runtime;
665 emu10k1_pcm_t *epcm = runtime->private_data;
670 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
671 #if 0 /* Perex's code */
672 ptr += runtime->buffer_size;
673 ptr -= epcm->ccca_start_addr;
674 ptr %= runtime->buffer_size;
675 #else /* EMU10K1 Open Source code from Creative */
676 if (ptr < epcm->ccca_start_addr)
677 ptr += runtime->buffer_size - epcm->ccca_start_addr;
679 ptr -= epcm->ccca_start_addr;
680 if (ptr >= runtime->buffer_size)
681 ptr -= runtime->buffer_size;
684 // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
688 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream)
690 emu10k1_t *emu = snd_pcm_substream_chip(substream);
691 snd_pcm_runtime_t *runtime = substream->runtime;
692 emu10k1_pcm_t *epcm = runtime->private_data;
697 if (epcm->first_ptr) {
698 udelay(50); // hack, it takes awhile until capture is started
701 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
702 return bytes_to_frames(runtime, ptr);
706 * Playback support device description
709 static snd_pcm_hardware_t snd_emu10k1_playback =
711 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
712 SNDRV_PCM_INFO_BLOCK_TRANSFER |
713 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
714 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
715 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
720 .buffer_bytes_max = (128*1024),
721 .period_bytes_min = 64,
722 .period_bytes_max = (128*1024),
729 * Capture support device description
732 static snd_pcm_hardware_t snd_emu10k1_capture =
734 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
735 SNDRV_PCM_INFO_BLOCK_TRANSFER |
736 SNDRV_PCM_INFO_MMAP_VALID),
737 .formats = SNDRV_PCM_FMTBIT_S16_LE,
738 .rates = SNDRV_PCM_RATE_8000_48000,
743 .buffer_bytes_max = (64*1024),
744 .period_bytes_min = 384,
745 .period_bytes_max = (64*1024),
755 static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate)
757 snd_ctl_elem_id_t id;
759 snd_runtime_check(kctl != NULL, return);
761 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
763 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
764 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
765 SNDRV_CTL_EVENT_MASK_INFO,
766 snd_ctl_build_ioff(&id, kctl, idx));
769 static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate)
771 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
772 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
773 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
776 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
778 emu10k1_pcm_t *epcm = runtime->private_data;
784 static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream)
786 emu10k1_t *emu = snd_pcm_substream_chip(substream);
788 emu10k1_pcm_mixer_t *mix;
789 snd_pcm_runtime_t *runtime = substream->runtime;
792 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
796 epcm->type = PLAYBACK_EMUVOICE;
797 epcm->substream = substream;
798 runtime->private_data = epcm;
799 runtime->private_free = snd_emu10k1_pcm_free_substream;
800 runtime->hw = snd_emu10k1_playback;
801 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
805 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
809 mix = &emu->pcm_mixer[substream->number];
810 for (i = 0; i < 4; i++)
811 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
812 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
813 mix->send_volume[0][0] = mix->send_volume[0][1] =
814 mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
815 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
817 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
821 static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream)
823 emu10k1_t *emu = snd_pcm_substream_chip(substream);
824 emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
827 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
831 static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream)
833 emu10k1_t *emu = snd_pcm_substream_chip(substream);
834 snd_pcm_runtime_t *runtime = substream->runtime;
837 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
841 epcm->type = CAPTURE_AC97ADC;
842 epcm->substream = substream;
843 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
844 epcm->capture_inte = INTE_ADCBUFENABLE;
845 epcm->capture_ba_reg = ADCBA;
846 epcm->capture_bs_reg = ADCBS;
847 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
848 runtime->private_data = epcm;
849 runtime->private_free = snd_emu10k1_pcm_free_substream;
850 runtime->hw = snd_emu10k1_capture;
851 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
852 emu->pcm_capture_substream = substream;
853 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
854 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
858 static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream)
860 emu10k1_t *emu = snd_pcm_substream_chip(substream);
862 emu->capture_interrupt = NULL;
863 emu->pcm_capture_substream = NULL;
867 static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream)
869 emu10k1_t *emu = snd_pcm_substream_chip(substream);
871 snd_pcm_runtime_t *runtime = substream->runtime;
873 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
877 epcm->type = CAPTURE_AC97MIC;
878 epcm->substream = substream;
879 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
880 epcm->capture_inte = INTE_MICBUFENABLE;
881 epcm->capture_ba_reg = MICBA;
882 epcm->capture_bs_reg = MICBS;
883 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
884 substream->runtime->private_data = epcm;
885 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
886 runtime->hw = snd_emu10k1_capture;
887 runtime->hw.rates = SNDRV_PCM_RATE_8000;
888 runtime->hw.rate_min = runtime->hw.rate_max = 8000;
889 runtime->hw.channels_min = 1;
890 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
891 emu->pcm_capture_mic_substream = substream;
892 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
896 static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream)
898 emu10k1_t *emu = snd_pcm_substream_chip(substream);
900 emu->capture_interrupt = NULL;
901 emu->pcm_capture_mic_substream = NULL;
905 static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream)
907 emu10k1_t *emu = snd_pcm_substream_chip(substream);
909 snd_pcm_runtime_t *runtime = substream->runtime;
910 int nefx = emu->audigy ? 64 : 32;
913 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
917 epcm->type = CAPTURE_EFX;
918 epcm->substream = substream;
919 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
920 epcm->capture_inte = INTE_EFXBUFENABLE;
921 epcm->capture_ba_reg = FXBA;
922 epcm->capture_bs_reg = FXBS;
923 epcm->capture_idx_reg = FXIDX;
924 substream->runtime->private_data = epcm;
925 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
926 runtime->hw = snd_emu10k1_capture;
927 runtime->hw.rates = SNDRV_PCM_RATE_48000;
928 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
929 spin_lock_irq(&emu->reg_lock);
930 runtime->hw.channels_min = runtime->hw.channels_max = 0;
931 for (idx = 0; idx < nefx; idx++) {
932 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
933 runtime->hw.channels_min++;
934 runtime->hw.channels_max++;
937 epcm->capture_cr_val = emu->efx_voices_mask[0];
938 epcm->capture_cr_val2 = emu->efx_voices_mask[1];
939 spin_unlock_irq(&emu->reg_lock);
940 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
941 emu->pcm_capture_efx_substream = substream;
942 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
946 static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream)
948 emu10k1_t *emu = snd_pcm_substream_chip(substream);
950 emu->capture_interrupt = NULL;
951 emu->pcm_capture_efx_substream = NULL;
955 static snd_pcm_ops_t snd_emu10k1_playback_ops = {
956 .open = snd_emu10k1_playback_open,
957 .close = snd_emu10k1_playback_close,
958 .ioctl = snd_pcm_lib_ioctl,
959 .hw_params = snd_emu10k1_playback_hw_params,
960 .hw_free = snd_emu10k1_playback_hw_free,
961 .prepare = snd_emu10k1_playback_prepare,
962 .trigger = snd_emu10k1_playback_trigger,
963 .pointer = snd_emu10k1_playback_pointer,
964 .page = snd_pcm_sgbuf_ops_page,
967 static snd_pcm_ops_t snd_emu10k1_capture_ops = {
968 .open = snd_emu10k1_capture_open,
969 .close = snd_emu10k1_capture_close,
970 .ioctl = snd_pcm_lib_ioctl,
971 .hw_params = snd_emu10k1_capture_hw_params,
972 .hw_free = snd_emu10k1_capture_hw_free,
973 .prepare = snd_emu10k1_capture_prepare,
974 .trigger = snd_emu10k1_capture_trigger,
975 .pointer = snd_emu10k1_capture_pointer,
978 static void snd_emu10k1_pcm_free(snd_pcm_t *pcm)
980 emu10k1_t *emu = pcm->private_data;
982 snd_pcm_lib_preallocate_free_for_all(pcm);
985 int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
988 snd_pcm_substream_t *substream;
994 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
997 pcm->private_data = emu;
998 pcm->private_free = snd_emu10k1_pcm_free;
1000 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1001 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1003 pcm->info_flags = 0;
1004 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1005 strcpy(pcm->name, "EMU10K1");
1008 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1009 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1012 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1013 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1021 static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = {
1022 .open = snd_emu10k1_capture_mic_open,
1023 .close = snd_emu10k1_capture_mic_close,
1024 .ioctl = snd_pcm_lib_ioctl,
1025 .hw_params = snd_emu10k1_capture_hw_params,
1026 .hw_free = snd_emu10k1_capture_hw_free,
1027 .prepare = snd_emu10k1_capture_prepare,
1028 .trigger = snd_emu10k1_capture_trigger,
1029 .pointer = snd_emu10k1_capture_pointer,
1032 static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm)
1034 emu10k1_t *emu = pcm->private_data;
1035 emu->pcm_mic = NULL;
1036 snd_pcm_lib_preallocate_free_for_all(pcm);
1039 int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1047 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1050 pcm->private_data = emu;
1051 pcm->private_free = snd_emu10k1_pcm_mic_free;
1053 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1055 pcm->info_flags = 0;
1056 strcpy(pcm->name, "EMU10K1 MIC");
1059 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1066 static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1068 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1069 int nefx = emu->audigy ? 64 : 32;
1070 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1071 uinfo->count = nefx;
1072 uinfo->value.integer.min = 0;
1073 uinfo->value.integer.max = 1;
1077 static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1079 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1080 int nefx = emu->audigy ? 64 : 32;
1083 spin_lock_irq(&emu->reg_lock);
1084 for (idx = 0; idx < nefx; idx++)
1085 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1086 spin_unlock_irq(&emu->reg_lock);
1090 static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1092 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1093 unsigned int nval[2], bits;
1094 int nefx = emu->audigy ? 64 : 32;
1095 int nefxb = emu->audigy ? 7 : 6;
1098 nval[0] = nval[1] = 0;
1099 for (idx = 0, bits = 0; idx < nefx; idx++)
1100 if (ucontrol->value.integer.value[idx]) {
1101 nval[idx / 32] |= 1 << (idx % 32);
1105 for (idx = 0; idx < nefxb; idx++)
1106 if (1 << idx == bits)
1112 spin_lock_irq(&emu->reg_lock);
1113 change = (nval[0] != emu->efx_voices_mask[0]) ||
1114 (nval[1] != emu->efx_voices_mask[1]);
1115 emu->efx_voices_mask[0] = nval[0];
1116 emu->efx_voices_mask[1] = nval[1];
1117 spin_unlock_irq(&emu->reg_lock);
1121 static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = {
1122 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1123 .name = "EFX voices mask",
1124 .info = snd_emu10k1_pcm_efx_voices_mask_info,
1125 .get = snd_emu10k1_pcm_efx_voices_mask_get,
1126 .put = snd_emu10k1_pcm_efx_voices_mask_put
1129 static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = {
1130 .open = snd_emu10k1_capture_efx_open,
1131 .close = snd_emu10k1_capture_efx_close,
1132 .ioctl = snd_pcm_lib_ioctl,
1133 .hw_params = snd_emu10k1_capture_hw_params,
1134 .hw_free = snd_emu10k1_capture_hw_free,
1135 .prepare = snd_emu10k1_capture_prepare,
1136 .trigger = snd_emu10k1_capture_trigger,
1137 .pointer = snd_emu10k1_capture_pointer,
1143 #define INITIAL_TRAM_SHIFT 14
1144 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1146 static void snd_emu10k1_fx8010_playback_irq(emu10k1_t *emu, void *private_data)
1148 snd_pcm_substream_t *substream = private_data;
1149 snd_pcm_period_elapsed(substream);
1152 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1153 unsigned short *dst_right,
1154 unsigned short *src,
1156 unsigned int tram_shift)
1158 // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count);
1159 if ((tram_shift & 1) == 0) {
1161 *dst_left-- = *src++;
1162 *dst_right-- = *src++;
1166 *dst_right-- = *src++;
1167 *dst_left-- = *src++;
1172 static void fx8010_pb_trans_copy(snd_pcm_substream_t *substream,
1173 snd_pcm_indirect_t *rec, size_t bytes)
1175 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1176 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1177 unsigned int tram_size = pcm->buffer_size;
1178 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1179 unsigned int frames = bytes >> 2, count;
1180 unsigned int tram_pos = pcm->tram_pos;
1181 unsigned int tram_shift = pcm->tram_shift;
1183 while (frames > tram_pos) {
1184 count = tram_pos + 1;
1185 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1186 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1187 src, count, tram_shift);
1190 tram_pos = (tram_size / 2) - 1;
1193 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1194 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1195 src, frames, tram_shift);
1197 pcm->tram_pos = tram_pos;
1198 pcm->tram_shift = tram_shift;
1201 static int snd_emu10k1_fx8010_playback_transfer(snd_pcm_substream_t *substream)
1203 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1204 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1206 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1210 static int snd_emu10k1_fx8010_playback_hw_params(snd_pcm_substream_t * substream,
1211 snd_pcm_hw_params_t * hw_params)
1213 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1216 static int snd_emu10k1_fx8010_playback_hw_free(snd_pcm_substream_t * substream)
1218 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1219 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1222 for (i = 0; i < pcm->channels; i++)
1223 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1224 snd_pcm_lib_free_pages(substream);
1228 static int snd_emu10k1_fx8010_playback_prepare(snd_pcm_substream_t * substream)
1230 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1231 snd_pcm_runtime_t *runtime = substream->runtime;
1232 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1235 // 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);
1236 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1237 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1238 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1239 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1240 pcm->tram_shift = 0;
1241 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */
1242 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */
1243 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1244 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */
1245 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1246 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1247 for (i = 0; i < pcm->channels; i++)
1248 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1252 static int snd_emu10k1_fx8010_playback_trigger(snd_pcm_substream_t * substream, int cmd)
1254 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1255 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1258 spin_lock(&emu->reg_lock);
1260 case SNDRV_PCM_TRIGGER_START:
1262 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1263 #ifdef EMU10K1_SET_AC3_IEC958
1266 for (i = 0; i < 3; i++) {
1268 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1269 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1270 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1271 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1275 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1278 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */
1279 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1281 case SNDRV_PCM_TRIGGER_STOP:
1282 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1283 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1284 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1285 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1286 pcm->tram_shift = 0;
1293 spin_unlock(&emu->reg_lock);
1297 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(snd_pcm_substream_t * substream)
1299 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1300 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1301 size_t ptr; /* byte pointer */
1303 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1305 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1306 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1309 static snd_pcm_hardware_t snd_emu10k1_fx8010_playback =
1311 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1312 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1313 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1314 .rates = SNDRV_PCM_RATE_48000,
1319 .buffer_bytes_max = (128*1024),
1320 .period_bytes_min = 1024,
1321 .period_bytes_max = (128*1024),
1323 .periods_max = 1024,
1327 static int snd_emu10k1_fx8010_playback_open(snd_pcm_substream_t * substream)
1329 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1330 snd_pcm_runtime_t *runtime = substream->runtime;
1331 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1333 runtime->hw = snd_emu10k1_fx8010_playback;
1334 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1335 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1336 spin_lock_irq(&emu->reg_lock);
1337 if (pcm->valid == 0) {
1338 spin_unlock_irq(&emu->reg_lock);
1342 spin_unlock_irq(&emu->reg_lock);
1346 static int snd_emu10k1_fx8010_playback_close(snd_pcm_substream_t * substream)
1348 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1349 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1351 spin_lock_irq(&emu->reg_lock);
1353 spin_unlock_irq(&emu->reg_lock);
1357 static snd_pcm_ops_t snd_emu10k1_fx8010_playback_ops = {
1358 .open = snd_emu10k1_fx8010_playback_open,
1359 .close = snd_emu10k1_fx8010_playback_close,
1360 .ioctl = snd_pcm_lib_ioctl,
1361 .hw_params = snd_emu10k1_fx8010_playback_hw_params,
1362 .hw_free = snd_emu10k1_fx8010_playback_hw_free,
1363 .prepare = snd_emu10k1_fx8010_playback_prepare,
1364 .trigger = snd_emu10k1_fx8010_playback_trigger,
1365 .pointer = snd_emu10k1_fx8010_playback_pointer,
1366 .ack = snd_emu10k1_fx8010_playback_transfer,
1369 static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm)
1371 emu10k1_t *emu = pcm->private_data;
1372 emu->pcm_efx = NULL;
1373 snd_pcm_lib_preallocate_free_for_all(pcm);
1376 int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1384 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1387 pcm->private_data = emu;
1388 pcm->private_free = snd_emu10k1_pcm_efx_free;
1390 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1391 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1393 pcm->info_flags = 0;
1394 strcpy(pcm->name, "EMU10K1 EFX");
1399 emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A;
1400 emu->efx_voices_mask[1] = 0;
1401 snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu));
1403 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);