1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Creative Labs, Inc.
4 * Routines for control of EMU10K1 chips / PCM routines
5 *
6 * BUGS:
7 * --
8 *
9 * TODO:
10 * --
11 *
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.
16 *
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.
21 *
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
25 *
26 */
27
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>
36
37 static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice)
38 {
39 emu10k1_pcm_t *epcm;
40
41 if ((epcm = voice->epcm) == NULL)
42 return;
43 if (epcm->substream == NULL)
44 return;
45 #if 0
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));
50 #endif
51 snd_pcm_period_elapsed(epcm->substream);
52 }
53
54 static void snd_emu10k1_pcm_ac97adc_interrupt(emu10k1_t *emu, unsigned int status)
55 {
56 #if 0
57 if (status & IPR_ADCBUFHALFFULL) {
58 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
59 return;
60 }
61 #endif
62 snd_pcm_period_elapsed(emu->pcm_capture_substream);
63 }
64
65 static void snd_emu10k1_pcm_ac97mic_interrupt(emu10k1_t *emu, unsigned int status)
66 {
67 #if 0
68 if (status & IPR_MICBUFHALFFULL) {
69 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
70 return;
71 }
72 #endif
73 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
74 }
75
76 static void snd_emu10k1_pcm_efx_interrupt(emu10k1_t *emu, unsigned int status)
77 {
78 #if 0
79 if (status & IPR_EFXBUFHALFFULL) {
80 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
81 return;
82 }
83 #endif
84 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
85 }
86
87 static int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices)
88 {
89 int err;
90
91 if (epcm->voices[1] != NULL && voices < 2) {
92 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
93 epcm->voices[1] = NULL;
94 }
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)
98 return 0;
99 if (voices > 1) {
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;
103 }
104 }
105 err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, voices > 1, &epcm->voices[0]);
106 if (err < 0)
107 return err;
108 epcm->voices[0]->epcm = epcm;
109 if (voices > 1) {
110 epcm->voices[1] = &epcm->emu->voices[epcm->voices[0]->number + 1];
111 epcm->voices[1]->epcm = epcm;
112 }
113 if (epcm->extra == NULL) {
114 err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, 0, &epcm->extra);
115 if (err < 0) {
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;
119 if (epcm->voices[1])
120 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
121 epcm->voices[1] = NULL;
122 return err;
123 }
124 epcm->extra->epcm = epcm;
125 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
126 }
127 return 0;
128 }
129
130 static unsigned int capture_period_sizes[31] = {
131 384, 448, 512, 640,
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
139 };
140
141 static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = {
142 .count = 31,
143 .list = capture_period_sizes,
144 .mask = 0
145 };
146
147 static unsigned int capture_rates[8] = {
148 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
149 };
150
151 static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = {
152 .count = 8,
153 .list = capture_rates,
154 .mask = 0
155 };
156
157 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
158 {
159 switch (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;
168 default:
169 snd_BUG();
170 return ADCCR_SAMPLERATE_8;
171 }
172 }
173
174 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
175 {
176 switch (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;
186 default:
187 snd_BUG();
188 return A_ADCCR_SAMPLERATE_8;
189 }
190 }
191
192 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
193 {
194 unsigned int pitch_target;
195
196 pitch_target = (rate << 8) / 375;
197 pitch_target = (pitch_target >> 1) + (pitch_target & 1);
198 return pitch_target;
199 }
200
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
207
208 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
209 {
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;
224 else
225 return CCCA_INTERPROM_2;
226 }
227
228
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)
234 {
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];
242 unsigned long flags;
243 unsigned int pitch_target;
244
245 voice = evoice->number;
246 stereo = runtime->channels == 2;
247 w_16 = snd_pcm_format_width(runtime->format) == 16;
248
249 if (!extra && stereo) {
250 start_addr >>= 1;
251 end_addr >>= 1;
252 }
253 if (w_16) {
254 start_addr >>= 1;
255 end_addr >>= 1;
256 }
257
258 spin_lock_irqsave(&emu->reg_lock, flags);
259
260 /* volume parameters */
261 if (extra) {
262 attn = 0;
263 memset(send_routing, 0, sizeof(send_routing));
264 send_routing[0] = 0;
265 send_routing[1] = 1;
266 send_routing[2] = 2;
267 send_routing[3] = 3;
268 memset(send_amount, 0, sizeof(send_amount));
269 } else {
270 /* mono, left, right (master voice = left) */
271 tmp = stereo ? (master ? 1 : 2) : 0;
272 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
273 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
274 }
275
276 if (master) {
277 unsigned int ccis = stereo ? 28 : 30;
278 if (w_16)
279 ccis *= 2;
280 evoice->epcm->ccca_start_addr = start_addr + ccis;
281 if (extra) {
282 start_addr += ccis;
283 end_addr += ccis;
284 }
285 if (stereo && !extra) {
286 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
287 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
288 } else {
289 snd_emu10k1_ptr_write(emu, CPF, voice, 0);
290 }
291 }
292
293 // setup routing
294 if (emu->audigy) {
295 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
296 snd_emu10k1_compose_audigy_fxrt1(send_routing));
297 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
298 snd_emu10k1_compose_audigy_fxrt2(send_routing));
299 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
300 ((unsigned int)send_amount[4] << 24) |
301 ((unsigned int)send_amount[5] << 16) |
302 ((unsigned int)send_amount[6] << 8) |
303 (unsigned int)send_amount[7]);
304 } else
305 snd_emu10k1_ptr_write(emu, FXRT, voice,
306 snd_emu10k1_compose_send_routing(send_routing));
307 // Stop CA
308 // Assumption that PT is already 0 so no harm overwriting
309 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
310 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
311 snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
312 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
313 snd_emu10k1_ptr_write(emu, CCCA, voice, evoice->epcm->ccca_start_addr |
314 emu10k1_select_interprom(pitch_target) |
315 (w_16 ? 0 : CCCA_8BITSELECT));
316 // Clear filter delay memory
317 snd_emu10k1_ptr_write(emu, Z1, voice, 0);
318 snd_emu10k1_ptr_write(emu, Z2, voice, 0);
319 // invalidate maps
320 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
321 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
322 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
323 // modulation envelope
324 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
325 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
326 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
327 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
328 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
329 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
330 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
331 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
332 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
333 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
334 // volume envelope
335 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
336 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
337 // filter envelope
338 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
339 // pitch envelope
340 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
341
342 spin_unlock_irqrestore(&emu->reg_lock, flags);
343 }
344
345 static int snd_emu10k1_playback_hw_params(snd_pcm_substream_t * substream,
346 snd_pcm_hw_params_t * hw_params)
347 {
348 emu10k1_t *emu = snd_pcm_substream_chip(substream);
349 snd_pcm_runtime_t *runtime = substream->runtime;
350 emu10k1_pcm_t *epcm = runtime->private_data;
351 int err;
352
353 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
354 return err;
355 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
356 return err;
357 if (err > 0) { /* change */
358 snd_util_memblk_t *memblk;
359 if (epcm->memblk != NULL)
360 snd_emu10k1_free_pages(emu, epcm->memblk);
361 memblk = snd_emu10k1_alloc_pages(emu, substream);
362 if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) {
363 epcm->start_addr = 0;
364 return -ENOMEM;
365 }
366 epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT;
367 }
368 return 0;
369 }
370
371 static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream)
372 {
373 emu10k1_t *emu = snd_pcm_substream_chip(substream);
374 snd_pcm_runtime_t *runtime = substream->runtime;
375 emu10k1_pcm_t *epcm;
376
377 if (runtime->private_data == NULL)
378 return 0;
379 epcm = runtime->private_data;
380 if (epcm->extra) {
381 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
382 epcm->extra = NULL;
383 }
384 if (epcm->voices[1]) {
385 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
386 epcm->voices[1] = NULL;
387 }
388 if (epcm->voices[0]) {
389 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
390 epcm->voices[0] = NULL;
391 }
392 if (epcm->memblk) {
393 snd_emu10k1_free_pages(emu, epcm->memblk);
394 epcm->memblk = NULL;
395 epcm->start_addr = 0;
396 }
397 snd_pcm_lib_free_pages(substream);
398 return 0;
399 }
400
401 static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream)
402 {
403 emu10k1_t *emu = snd_pcm_substream_chip(substream);
404 snd_pcm_runtime_t *runtime = substream->runtime;
405 emu10k1_pcm_t *epcm = runtime->private_data;
406 unsigned int start_addr, end_addr;
407
408 start_addr = epcm->start_addr;
409 end_addr = snd_pcm_lib_period_bytes(substream);
410 if (runtime->channels == 2)
411 end_addr >>= 1;
412 end_addr += start_addr;
413 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
414 start_addr, end_addr);
415 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
416 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
417 start_addr, end_addr);
418 if (epcm->voices[1])
419 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
420 start_addr, end_addr);
421 return 0;
422 }
423
424 static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream,
425 snd_pcm_hw_params_t * hw_params)
426 {
427 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
428 }
429
430 static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream)
431 {
432 return snd_pcm_lib_free_pages(substream);
433 }
434
435 static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream)
436 {
437 emu10k1_t *emu = snd_pcm_substream_chip(substream);
438 snd_pcm_runtime_t *runtime = substream->runtime;
439 emu10k1_pcm_t *epcm = runtime->private_data;
440 int idx;
441
442 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
443 switch (epcm->type) {
444 case CAPTURE_AC97ADC:
445 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
446 break;
447 case CAPTURE_EFX:
448 if (emu->audigy) {
449 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
450 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
451 } else
452 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
453 break;
454 default:
455 break;
456 }
457 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
458 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
459 epcm->capture_bs_val = 0;
460 for (idx = 0; idx < 31; idx++) {
461 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
462 epcm->capture_bs_val = idx + 1;
463 break;
464 }
465 }
466 if (epcm->capture_bs_val == 0) {
467 snd_BUG();
468 epcm->capture_bs_val++;
469 }
470 if (epcm->type == CAPTURE_AC97ADC) {
471 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
472 if (runtime->channels > 1)
473 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
474 epcm->capture_cr_val |= emu->audigy ?
475 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
476 snd_emu10k1_capture_rate_reg(runtime->rate);
477 }
478 return 0;
479 }
480
481 static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, emu10k1_voice_t *evoice)
482 {
483 snd_pcm_runtime_t *runtime;
484 unsigned int voice, i, ccis, cra = 64, cs, sample;
485
486 if (evoice == NULL)
487 return;
488 runtime = evoice->epcm->substream->runtime;
489 voice = evoice->number;
490 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
491 if (runtime->channels > 1) {
492 ccis = 28;
493 cs = 4;
494 } else {
495 ccis = 30;
496 cs = 2;
497 }
498 if (sample == 0) /* 16-bit */
499 ccis *= 2;
500 for (i = 0; i < cs; i++)
501 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
502 // reset cache
503 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
504 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
505 if (runtime->channels > 1) {
506 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
507 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
508 }
509 // fill cache
510 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
511 }
512
513 static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra)
514 {
515 snd_pcm_substream_t *substream;
516 snd_pcm_runtime_t *runtime;
517 emu10k1_pcm_mixer_t *mix;
518 unsigned int voice, pitch, pitch_target, tmp;
519 unsigned int attn;
520
521 if (evoice == NULL) /* skip second voice for mono */
522 return;
523 substream = evoice->epcm->substream;
524 runtime = substream->runtime;
525 mix = &emu->pcm_mixer[substream->number];
526 voice = evoice->number;
527 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
528 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
529 attn = extra ? 0 : 0x00ff;
530 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
531 snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
532 snd_emu10k1_ptr_write(emu, VTFT, voice, (mix->attn[tmp] << 16) | 0xffff);
533 snd_emu10k1_ptr_write(emu, CVCF, voice, (mix->attn[tmp] << 16) | 0xffff);
534 snd_emu10k1_voice_clear_loop_stop(emu, voice);
535 if (extra)
536 snd_emu10k1_voice_intr_enable(emu, voice);
537 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
538 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
539 if (master)
540 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
541 snd_emu10k1_ptr_write(emu, IP, voice, pitch);
542 }
543
544 static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice)
545 {
546 unsigned int voice;
547
548 if (evoice == NULL)
549 return;
550 voice = evoice->number;
551 snd_emu10k1_voice_intr_disable(emu, voice);
552 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
553 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
554 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
555 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
556 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
557 snd_emu10k1_ptr_write(emu, IP, voice, 0);
558 }
559
560 static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream,
561 int cmd)
562 {
563 emu10k1_t *emu = snd_pcm_substream_chip(substream);
564 snd_pcm_runtime_t *runtime = substream->runtime;
565 emu10k1_pcm_t *epcm = runtime->private_data;
566 int result = 0;
567
568 // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream));
569 spin_lock(&emu->reg_lock);
570 switch (cmd) {
571 case SNDRV_PCM_TRIGGER_START:
572 snd_emu10k1_playback_invalidate_cache(emu, epcm->extra); /* do we need this? */
573 snd_emu10k1_playback_invalidate_cache(emu, epcm->voices[0]);
574 /* follow thru */
575 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
576 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
577 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
578 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
579 epcm->running = 1;
580 break;
581 case SNDRV_PCM_TRIGGER_STOP:
582 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
583 epcm->running = 0;
584 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
585 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
586 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
587 break;
588 default:
589 result = -EINVAL;
590 break;
591 }
592 spin_unlock(&emu->reg_lock);
593 return result;
594 }
595
596 static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream,
597 int cmd)
598 {
599 emu10k1_t *emu = snd_pcm_substream_chip(substream);
600 snd_pcm_runtime_t *runtime = substream->runtime;
601 emu10k1_pcm_t *epcm = runtime->private_data;
602 int result = 0;
603
604 // printk("trigger - emu10k1 = %p, cmd = %i, pointer = %i\n", emu, cmd, substream->ops->pointer(substream));
605 spin_lock(&emu->reg_lock);
606 switch (cmd) {
607 case SNDRV_PCM_TRIGGER_START:
608 outl(epcm->capture_ipr, emu->port + IPR);
609 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
610 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs);
611 switch (epcm->type) {
612 case CAPTURE_AC97ADC:
613 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
614 break;
615 case CAPTURE_EFX:
616 if (emu->audigy) {
617 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
618 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
619 } else
620 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
621 break;
622 default:
623 break;
624 }
625 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
626 epcm->running = 1;
627 epcm->first_ptr = 1;
628 break;
629 case SNDRV_PCM_TRIGGER_STOP:
630 epcm->running = 0;
631 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
632 outl(epcm->capture_ipr, emu->port + IPR);
633 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
634 switch (epcm->type) {
635 case CAPTURE_AC97ADC:
636 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
637 break;
638 case CAPTURE_EFX:
639 if (emu->audigy) {
640 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
641 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
642 } else
643 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
644 break;
645 default:
646 break;
647 }
648 break;
649 default:
650 result = -EINVAL;
651 }
652 spin_unlock(&emu->reg_lock);
653 return result;
654 }
655
656 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream)
657 {
658 emu10k1_t *emu = snd_pcm_substream_chip(substream);
659 snd_pcm_runtime_t *runtime = substream->runtime;
660 emu10k1_pcm_t *epcm = runtime->private_data;
661 unsigned int ptr;
662
663 if (!epcm->running)
664 return 0;
665 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
666 #if 0 /* Perex's code */
667 ptr += runtime->buffer_size;
668 ptr -= epcm->ccca_start_addr;
669 ptr %= runtime->buffer_size;
670 #else /* EMU10K1 Open Source code from Creative */
671 if (ptr < epcm->ccca_start_addr)
672 ptr += runtime->buffer_size - epcm->ccca_start_addr;
673 else {
674 ptr -= epcm->ccca_start_addr;
675 if (ptr >= runtime->buffer_size)
676 ptr -= runtime->buffer_size;
677 }
678 #endif
679 // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
680 return ptr;
681 }
682
683 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream)
684 {
685 emu10k1_t *emu = snd_pcm_substream_chip(substream);
686 snd_pcm_runtime_t *runtime = substream->runtime;
687 emu10k1_pcm_t *epcm = runtime->private_data;
688 unsigned int ptr;
689
690 if (!epcm->running)
691 return 0;
692 if (epcm->first_ptr) {
693 udelay(50); // hack, it takes awhile until capture is started
694 epcm->first_ptr = 0;
695 }
696 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
697 return bytes_to_frames(runtime, ptr);
698 }
699
700 /*
701 * Playback support device description
702 */
703
704 static snd_pcm_hardware_t snd_emu10k1_playback =
705 {
706 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
707 SNDRV_PCM_INFO_BLOCK_TRANSFER |
708 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
709 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
710 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
711 .rate_min = 4000,
712 .rate_max = 48000,
713 .channels_min = 1,
714 .channels_max = 2,
715 .buffer_bytes_max = (128*1024),
716 .period_bytes_min = 64,
717 .period_bytes_max = (128*1024),
718 .periods_min = 1,
719 .periods_max = 1024,
720 .fifo_size = 0,
721 };
722
723 /*
724 * Capture support device description
725 */
726
727 static snd_pcm_hardware_t snd_emu10k1_capture =
728 {
729 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
730 SNDRV_PCM_INFO_BLOCK_TRANSFER |
731 SNDRV_PCM_INFO_MMAP_VALID),
732 .formats = SNDRV_PCM_FMTBIT_S16_LE,
733 .rates = SNDRV_PCM_RATE_8000_48000,
734 .rate_min = 8000,
735 .rate_max = 48000,
736 .channels_min = 1,
737 .channels_max = 2,
738 .buffer_bytes_max = (64*1024),
739 .period_bytes_min = 384,
740 .period_bytes_max = (64*1024),
741 .periods_min = 2,
742 .periods_max = 2,
743 .fifo_size = 0,
744 };
745
746 /*
747 *
748 */
749
750 static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate)
751 {
752 snd_ctl_elem_id_t id;
753
754 snd_runtime_check(kctl != NULL, return);
755 if (activate)
756 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
757 else
758 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
759 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
760 SNDRV_CTL_EVENT_MASK_INFO,
761 snd_ctl_build_ioff(&id, kctl, idx));
762 }
763
764 static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate)
765 {
766 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
767 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
768 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
769 }
770
771 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
772 {
773 emu10k1_pcm_t *epcm = runtime->private_data;
774
775 kfree(epcm);
776 }
777
778 static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream)
779 {
780 emu10k1_t *emu = snd_pcm_substream_chip(substream);
781 emu10k1_pcm_t *epcm;
782 emu10k1_pcm_mixer_t *mix;
783 snd_pcm_runtime_t *runtime = substream->runtime;
784 int i, err;
785
786 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
787 if (epcm == NULL)
788 return -ENOMEM;
789 epcm->emu = emu;
790 epcm->type = PLAYBACK_EMUVOICE;
791 epcm->substream = substream;
792 runtime->private_data = epcm;
793 runtime->private_free = snd_emu10k1_pcm_free_substream;
794 runtime->hw = snd_emu10k1_playback;
795 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
796 kfree(epcm);
797 return err;
798 }
799 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
800 kfree(epcm);
801 return err;
802 }
803 mix = &emu->pcm_mixer[substream->number];
804 for (i = 0; i < 4; i++)
805 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
806 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
807 mix->send_volume[0][0] = mix->send_volume[0][1] =
808 mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
809 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
810 mix->epcm = epcm;
811 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
812 return 0;
813 }
814
815 static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream)
816 {
817 emu10k1_t *emu = snd_pcm_substream_chip(substream);
818 emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
819
820 mix->epcm = NULL;
821 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
822 return 0;
823 }
824
825 static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream)
826 {
827 emu10k1_t *emu = snd_pcm_substream_chip(substream);
828 snd_pcm_runtime_t *runtime = substream->runtime;
829 emu10k1_pcm_t *epcm;
830
831 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
832 if (epcm == NULL)
833 return -ENOMEM;
834 epcm->emu = emu;
835 epcm->type = CAPTURE_AC97ADC;
836 epcm->substream = substream;
837 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
838 epcm->capture_inte = INTE_ADCBUFENABLE;
839 epcm->capture_ba_reg = ADCBA;
840 epcm->capture_bs_reg = ADCBS;
841 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
842 runtime->private_data = epcm;
843 runtime->private_free = snd_emu10k1_pcm_free_substream;
844 runtime->hw = snd_emu10k1_capture;
845 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
846 emu->pcm_capture_substream = substream;
847 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
848 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
849 return 0;
850 }
851
852 static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream)
853 {
854 emu10k1_t *emu = snd_pcm_substream_chip(substream);
855
856 emu->capture_interrupt = NULL;
857 emu->pcm_capture_substream = NULL;
858 return 0;
859 }
860
861 static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream)
862 {
863 emu10k1_t *emu = snd_pcm_substream_chip(substream);
864 emu10k1_pcm_t *epcm;
865 snd_pcm_runtime_t *runtime = substream->runtime;
866
867 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
868 if (epcm == NULL)
869 return -ENOMEM;
870 epcm->emu = emu;
871 epcm->type = CAPTURE_AC97MIC;
872 epcm->substream = substream;
873 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
874 epcm->capture_inte = INTE_MICBUFENABLE;
875 epcm->capture_ba_reg = MICBA;
876 epcm->capture_bs_reg = MICBS;
877 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
878 substream->runtime->private_data = epcm;
879 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
880 runtime->hw = snd_emu10k1_capture;
881 runtime->hw.rates = SNDRV_PCM_RATE_8000;
882 runtime->hw.rate_min = runtime->hw.rate_max = 8000;
883 runtime->hw.channels_min = 1;
884 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
885 emu->pcm_capture_mic_substream = substream;
886 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
887 return 0;
888 }
889
890 static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream)
891 {
892 emu10k1_t *emu = snd_pcm_substream_chip(substream);
893
894 emu->capture_interrupt = NULL;
895 emu->pcm_capture_mic_substream = NULL;
896 return 0;
897 }
898
899 static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream)
900 {
901 emu10k1_t *emu = snd_pcm_substream_chip(substream);
902 emu10k1_pcm_t *epcm;
903 snd_pcm_runtime_t *runtime = substream->runtime;
904 int nefx = emu->audigy ? 64 : 32;
905 int idx;
906
907 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
908 if (epcm == NULL)
909 return -ENOMEM;
910 epcm->emu = emu;
911 epcm->type = CAPTURE_EFX;
912 epcm->substream = substream;
913 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
914 epcm->capture_inte = INTE_EFXBUFENABLE;
915 epcm->capture_ba_reg = FXBA;
916 epcm->capture_bs_reg = FXBS;
917 epcm->capture_idx_reg = FXIDX;
918 substream->runtime->private_data = epcm;
919 substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
920 runtime->hw = snd_emu10k1_capture;
921 runtime->hw.rates = SNDRV_PCM_RATE_48000;
922 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
923 spin_lock_irq(&emu->reg_lock);
924 runtime->hw.channels_min = runtime->hw.channels_max = 0;
925 for (idx = 0; idx < nefx; idx++) {
926 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
927 runtime->hw.channels_min++;
928 runtime->hw.channels_max++;
929 }
930 }
931 epcm->capture_cr_val = emu->efx_voices_mask[0];
932 epcm->capture_cr_val2 = emu->efx_voices_mask[1];
933 spin_unlock_irq(&emu->reg_lock);
934 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
935 emu->pcm_capture_efx_substream = substream;
936 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
937 return 0;
938 }
939
940 static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream)
941 {
942 emu10k1_t *emu = snd_pcm_substream_chip(substream);
943
944 emu->capture_interrupt = NULL;
945 emu->pcm_capture_efx_substream = NULL;
946 return 0;
947 }
948
949 static snd_pcm_ops_t snd_emu10k1_playback_ops = {
950 .open = snd_emu10k1_playback_open,
951 .close = snd_emu10k1_playback_close,
952 .ioctl = snd_pcm_lib_ioctl,
953 .hw_params = snd_emu10k1_playback_hw_params,
954 .hw_free = snd_emu10k1_playback_hw_free,
955 .prepare = snd_emu10k1_playback_prepare,
956 .trigger = snd_emu10k1_playback_trigger,
957 .pointer = snd_emu10k1_playback_pointer,
958 .page = snd_pcm_sgbuf_ops_page,
959 };
960
961 static snd_pcm_ops_t snd_emu10k1_capture_ops = {
962 .open = snd_emu10k1_capture_open,
963 .close = snd_emu10k1_capture_close,
964 .ioctl = snd_pcm_lib_ioctl,
965 .hw_params = snd_emu10k1_capture_hw_params,
966 .hw_free = snd_emu10k1_capture_hw_free,
967 .prepare = snd_emu10k1_capture_prepare,
968 .trigger = snd_emu10k1_capture_trigger,
969 .pointer = snd_emu10k1_capture_pointer,
970 };
971
972 static void snd_emu10k1_pcm_free(snd_pcm_t *pcm)
973 {
974 emu10k1_t *emu = pcm->private_data;
975 emu->pcm = NULL;
976 snd_pcm_lib_preallocate_free_for_all(pcm);
977 }
978
979 int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
980 {
981 snd_pcm_t *pcm;
982 snd_pcm_substream_t *substream;
983 int err;
984
985 if (rpcm)
986 *rpcm = NULL;
987
988 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
989 return err;
990
991 pcm->private_data = emu;
992 pcm->private_free = snd_emu10k1_pcm_free;
993
994 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
995 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
996
997 pcm->info_flags = 0;
998 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
999 strcpy(pcm->name, "EMU10K1");
1000 emu->pcm = pcm;
1001
1002 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1003 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1004 return err;
1005
1006 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1007 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1008
1009 if (rpcm)
1010 *rpcm = pcm;
1011
1012 return 0;
1013 }
1014
1015 static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = {
1016 .open = snd_emu10k1_capture_mic_open,
1017 .close = snd_emu10k1_capture_mic_close,
1018 .ioctl = snd_pcm_lib_ioctl,
1019 .hw_params = snd_emu10k1_capture_hw_params,
1020 .hw_free = snd_emu10k1_capture_hw_free,
1021 .prepare = snd_emu10k1_capture_prepare,
1022 .trigger = snd_emu10k1_capture_trigger,
1023 .pointer = snd_emu10k1_capture_pointer,
1024 };
1025
1026 static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm)
1027 {
1028 emu10k1_t *emu = pcm->private_data;
1029 emu->pcm_mic = NULL;
1030 snd_pcm_lib_preallocate_free_for_all(pcm);
1031 }
1032
1033 int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1034 {
1035 snd_pcm_t *pcm;
1036 int err;
1037
1038 if (rpcm)
1039 *rpcm = NULL;
1040
1041 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1042 return err;
1043
1044 pcm->private_data = emu;
1045 pcm->private_free = snd_emu10k1_pcm_mic_free;
1046
1047 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1048
1049 pcm->info_flags = 0;
1050 strcpy(pcm->name, "EMU10K1 MIC");
1051 emu->pcm_mic = pcm;
1052
1053 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1054
1055 if (rpcm)
1056 *rpcm = pcm;
1057 return 0;
1058 }
1059
1060 static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1061 {
1062 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1063 int nefx = emu->audigy ? 64 : 32;
1064 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1065 uinfo->count = nefx;
1066 uinfo->value.integer.min = 0;
1067 uinfo->value.integer.max = 1;
1068 return 0;
1069 }
1070
1071 static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1072 {
1073 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1074 int nefx = emu->audigy ? 64 : 32;
1075 int idx;
1076
1077 spin_lock_irq(&emu->reg_lock);
1078 for (idx = 0; idx < nefx; idx++)
1079 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1080 spin_unlock_irq(&emu->reg_lock);
1081 return 0;
1082 }
1083
1084 static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1085 {
1086 emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1087 unsigned int nval[2], bits;
1088 int nefx = emu->audigy ? 64 : 32;
1089 int nefxb = emu->audigy ? 7 : 6;
1090 int change, idx;
1091
1092 nval[0] = nval[1] = 0;
1093 for (idx = 0, bits = 0; idx < nefx; idx++)
1094 if (ucontrol->value.integer.value[idx]) {
1095 nval[idx / 32] |= 1 << (idx % 32);
1096 bits++;
1097 }
1098
1099 for (idx = 0; idx < nefxb; idx++)
1100 if (1 << idx == bits)
1101 break;
1102
1103 if (idx >= nefxb)
1104 return -EINVAL;
1105
1106 spin_lock_irq(&emu->reg_lock);
1107 change = (nval[0] != emu->efx_voices_mask[0]) ||
1108 (nval[1] != emu->efx_voices_mask[1]);
1109 emu->efx_voices_mask[0] = nval[0];
1110 emu->efx_voices_mask[1] = nval[1];
1111 spin_unlock_irq(&emu->reg_lock);
1112 return change;
1113 }
1114
1115 static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = {
1116 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1117 .name = "EFX voices mask",
1118 .info = snd_emu10k1_pcm_efx_voices_mask_info,
1119 .get = snd_emu10k1_pcm_efx_voices_mask_get,
1120 .put = snd_emu10k1_pcm_efx_voices_mask_put
1121 };
1122
1123 static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = {
1124 .open = snd_emu10k1_capture_efx_open,
1125 .close = snd_emu10k1_capture_efx_close,
1126 .ioctl = snd_pcm_lib_ioctl,
1127 .hw_params = snd_emu10k1_capture_hw_params,
1128 .hw_free = snd_emu10k1_capture_hw_free,
1129 .prepare = snd_emu10k1_capture_prepare,
1130 .trigger = snd_emu10k1_capture_trigger,
1131 .pointer = snd_emu10k1_capture_pointer,
1132 };
1133
1134
1135 /* EFX playback */
1136
1137 #define INITIAL_TRAM_SHIFT 14
1138 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1139
1140 static void snd_emu10k1_fx8010_playback_irq(emu10k1_t *emu, void *private_data)
1141 {
1142 snd_pcm_substream_t *substream = private_data;
1143 snd_pcm_period_elapsed(substream);
1144 }
1145
1146 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1147 unsigned short *dst_right,
1148 unsigned short *src,
1149 unsigned int count,
1150 unsigned int tram_shift)
1151 {
1152 // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count);
1153 if ((tram_shift & 1) == 0) {
1154 while (count--) {
1155 *dst_left-- = *src++;
1156 *dst_right-- = *src++;
1157 }
1158 } else {
1159 while (count--) {
1160 *dst_right-- = *src++;
1161 *dst_left-- = *src++;
1162 }
1163 }
1164 }
1165
1166 static void fx8010_pb_trans_copy(snd_pcm_substream_t *substream,
1167 snd_pcm_indirect_t *rec, size_t bytes)
1168 {
1169 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1170 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1171 unsigned int tram_size = pcm->buffer_size;
1172 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1173 unsigned int frames = bytes >> 2, count;
1174 unsigned int tram_pos = pcm->tram_pos;
1175 unsigned int tram_shift = pcm->tram_shift;
1176
1177 while (frames > tram_pos) {
1178 count = tram_pos + 1;
1179 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1180 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1181 src, count, tram_shift);
1182 src += count * 2;
1183 frames -= count;
1184 tram_pos = (tram_size / 2) - 1;
1185 tram_shift++;
1186 }
1187 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1188 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1189 src, frames, tram_shift);
1190 tram_pos -= frames;
1191 pcm->tram_pos = tram_pos;
1192 pcm->tram_shift = tram_shift;
1193 }
1194
1195 static int snd_emu10k1_fx8010_playback_transfer(snd_pcm_substream_t *substream)
1196 {
1197 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1198 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1199
1200 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1201 return 0;
1202 }
1203
1204 static int snd_emu10k1_fx8010_playback_hw_params(snd_pcm_substream_t * substream,
1205 snd_pcm_hw_params_t * hw_params)
1206 {
1207 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1208 }
1209
1210 static int snd_emu10k1_fx8010_playback_hw_free(snd_pcm_substream_t * substream)
1211 {
1212 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1213 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1214 unsigned int i;
1215
1216 for (i = 0; i < pcm->channels; i++)
1217 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1218 snd_pcm_lib_free_pages(substream);
1219 return 0;
1220 }
1221
1222 static int snd_emu10k1_fx8010_playback_prepare(snd_pcm_substream_t * substream)
1223 {
1224 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1225 snd_pcm_runtime_t *runtime = substream->runtime;
1226 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1227 unsigned int i;
1228
1229 // 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);
1230 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1231 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1232 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1233 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1234 pcm->tram_shift = 0;
1235 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */
1236 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */
1237 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1238 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */
1239 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1240 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1241 for (i = 0; i < pcm->channels; i++)
1242 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1243 return 0;
1244 }
1245
1246 static int snd_emu10k1_fx8010_playback_trigger(snd_pcm_substream_t * substream, int cmd)
1247 {
1248 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1249 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1250 int result = 0;
1251
1252 spin_lock(&emu->reg_lock);
1253 switch (cmd) {
1254 case SNDRV_PCM_TRIGGER_START:
1255 /* follow thru */
1256 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1257 #ifdef EMU10K1_SET_AC3_IEC958
1258 {
1259 int i;
1260 for (i = 0; i < 3; i++) {
1261 unsigned int bits;
1262 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1263 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1264 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1265 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1266 }
1267 }
1268 #endif
1269 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1270 if (result < 0)
1271 goto __err;
1272 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */
1273 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1274 break;
1275 case SNDRV_PCM_TRIGGER_STOP:
1276 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1277 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1278 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1279 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1280 pcm->tram_shift = 0;
1281 break;
1282 default:
1283 result = -EINVAL;
1284 break;
1285 }
1286 __err:
1287 spin_unlock(&emu->reg_lock);
1288 return result;
1289 }
1290
1291 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(snd_pcm_substream_t * substream)
1292 {
1293 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1294 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1295 size_t ptr; /* byte pointer */
1296
1297 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1298 return 0;
1299 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1300 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1301 }
1302
1303 static snd_pcm_hardware_t snd_emu10k1_fx8010_playback =
1304 {
1305 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1306 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1307 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1308 .rates = SNDRV_PCM_RATE_48000,
1309 .rate_min = 48000,
1310 .rate_max = 48000,
1311 .channels_min = 1,
1312 .channels_max = 1,
1313 .buffer_bytes_max = (128*1024),
1314 .period_bytes_min = 1024,
1315 .period_bytes_max = (128*1024),
1316 .periods_min = 1,
1317 .periods_max = 1024,
1318 .fifo_size = 0,
1319 };
1320
1321 static int snd_emu10k1_fx8010_playback_open(snd_pcm_substream_t * substream)
1322 {
1323 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1324 snd_pcm_runtime_t *runtime = substream->runtime;
1325 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1326
1327 runtime->hw = snd_emu10k1_fx8010_playback;
1328 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1329 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1330 spin_lock_irq(&emu->reg_lock);
1331 if (pcm->valid == 0) {
1332 spin_unlock_irq(&emu->reg_lock);
1333 return -ENODEV;
1334 }
1335 pcm->opened = 1;
1336 spin_unlock_irq(&emu->reg_lock);
1337 return 0;
1338 }
1339
1340 static int snd_emu10k1_fx8010_playback_close(snd_pcm_substream_t * substream)
1341 {
1342 emu10k1_t *emu = snd_pcm_substream_chip(substream);
1343 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1344
1345 spin_lock_irq(&emu->reg_lock);
1346 pcm->opened = 0;
1347 spin_unlock_irq(&emu->reg_lock);
1348 return 0;
1349 }
1350
1351 static snd_pcm_ops_t snd_emu10k1_fx8010_playback_ops = {
1352 .open = snd_emu10k1_fx8010_playback_open,
1353 .close = snd_emu10k1_fx8010_playback_close,
1354 .ioctl = snd_pcm_lib_ioctl,
1355 .hw_params = snd_emu10k1_fx8010_playback_hw_params,
1356 .hw_free = snd_emu10k1_fx8010_playback_hw_free,
1357 .prepare = snd_emu10k1_fx8010_playback_prepare,
1358 .trigger = snd_emu10k1_fx8010_playback_trigger,
1359 .pointer = snd_emu10k1_fx8010_playback_pointer,
1360 .ack = snd_emu10k1_fx8010_playback_transfer,
1361 };
1362
1363 static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm)
1364 {
1365 emu10k1_t *emu = pcm->private_data;
1366 emu->pcm_efx = NULL;
1367 snd_pcm_lib_preallocate_free_for_all(pcm);
1368 }
1369
1370 int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1371 {
1372 snd_pcm_t *pcm;
1373 int err;
1374
1375 if (rpcm)
1376 *rpcm = NULL;
1377
1378 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1379 return err;
1380
1381 pcm->private_data = emu;
1382 pcm->private_free = snd_emu10k1_pcm_efx_free;
1383
1384 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1385 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1386
1387 pcm->info_flags = 0;
1388 strcpy(pcm->name, "EMU10K1 EFX");
1389 emu->pcm_efx = pcm;
1390 if (rpcm)
1391 *rpcm = pcm;
1392
1393 emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A;
1394 emu->efx_voices_mask[1] = 0;
1395 snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu));
1396
1397 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1398
1399 return 0;
1400 }
1401
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