eda5cb373ded3509e94279c5ea5c8ac7f1472ec4
[linux-2.6.git] / sound / pci / emu10k1 / emupcm.c
1 /*
2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3  *                   Creative Labs, Inc.
4  *  Routines for control of EMU10K1 chips / PCM routines
5  *  Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com>
6  *
7  *  BUGS:
8  *    --
9  *
10  *  TODO:
11  *    --
12  *
13  *   This program is free software; you can redistribute it and/or modify
14  *   it under the terms of the GNU General Public License as published by
15  *   the Free Software Foundation; either version 2 of the License, or
16  *   (at your option) any later version.
17  *
18  *   This program is distributed in the hope that it will be useful,
19  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
20  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  *   GNU General Public License for more details.
22  *
23  *   You should have received a copy of the GNU General Public License
24  *   along with this program; if not, write to the Free Software
25  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
26  *
27  */
28
29 #include <sound/driver.h>
30 #include <linux/pci.h>
31 #include <linux/delay.h>
32 #include <linux/slab.h>
33 #include <linux/time.h>
34 #include <linux/init.h>
35 #include <sound/core.h>
36 #include <sound/emu10k1.h>
37
38 static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu,
39                                       struct snd_emu10k1_voice *voice)
40 {
41         struct snd_emu10k1_pcm *epcm;
42
43         if ((epcm = voice->epcm) == NULL)
44                 return;
45         if (epcm->substream == NULL)
46                 return;
47 #if 0
48         printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
49                         epcm->substream->runtime->hw->pointer(emu, epcm->substream),
50                         snd_pcm_lib_period_bytes(epcm->substream),
51                         snd_pcm_lib_buffer_bytes(epcm->substream));
52 #endif
53         snd_pcm_period_elapsed(epcm->substream);
54 }
55
56 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
57                                               unsigned int status)
58 {
59 #if 0
60         if (status & IPR_ADCBUFHALFFULL) {
61                 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
62                         return;
63         }
64 #endif
65         snd_pcm_period_elapsed(emu->pcm_capture_substream);
66 }
67
68 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
69                                               unsigned int status)
70 {
71 #if 0
72         if (status & IPR_MICBUFHALFFULL) {
73                 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
74                         return;
75         }
76 #endif
77         snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
78 }
79
80 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
81                                           unsigned int status)
82 {
83 #if 0
84         if (status & IPR_EFXBUFHALFFULL) {
85                 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
86                         return;
87         }
88 #endif
89         snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
90 }        
91
92 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
93 {
94         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
95         struct snd_pcm_runtime *runtime = substream->runtime;
96         struct snd_emu10k1_pcm *epcm = runtime->private_data;
97         unsigned int ptr;
98
99         if (!epcm->running)
100                 return 0;
101         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
102         ptr += runtime->buffer_size;
103         ptr -= epcm->ccca_start_addr;
104         ptr %= runtime->buffer_size;
105
106         return ptr;
107 }
108
109 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
110 {
111         int err, i;
112
113         if (epcm->voices[1] != NULL && voices < 2) {
114                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
115                 epcm->voices[1] = NULL;
116         }
117         for (i = 0; i < voices; i++) {
118                 if (epcm->voices[i] == NULL)
119                         break;
120         }
121         if (i == voices)
122                 return 0; /* already allocated */
123
124         for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
125                 if (epcm->voices[i]) {
126                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
127                         epcm->voices[i] = NULL;
128                 }
129         }
130         err = snd_emu10k1_voice_alloc(epcm->emu,
131                                       epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
132                                       voices,
133                                       &epcm->voices[0]);
134         
135         if (err < 0)
136                 return err;
137         epcm->voices[0]->epcm = epcm;
138         if (voices > 1) {
139                 for (i = 1; i < voices; i++) {
140                         epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
141                         epcm->voices[i]->epcm = epcm;
142                 }
143         }
144         if (epcm->extra == NULL) {
145                 err = snd_emu10k1_voice_alloc(epcm->emu,
146                                               epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
147                                               1,
148                                               &epcm->extra);
149                 if (err < 0) {
150                         /* printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame); */
151                         for (i = 0; i < voices; i++) {
152                                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
153                                 epcm->voices[i] = NULL;
154                         }
155                         return err;
156                 }
157                 epcm->extra->epcm = epcm;
158                 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
159         }
160         return 0;
161 }
162
163 static unsigned int capture_period_sizes[31] = {
164         384,    448,    512,    640,
165         384*2,  448*2,  512*2,  640*2,
166         384*4,  448*4,  512*4,  640*4,
167         384*8,  448*8,  512*8,  640*8,
168         384*16, 448*16, 512*16, 640*16,
169         384*32, 448*32, 512*32, 640*32,
170         384*64, 448*64, 512*64, 640*64,
171         384*128,448*128,512*128
172 };
173
174 static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
175         .count = 31,
176         .list = capture_period_sizes,
177         .mask = 0
178 };
179
180 static unsigned int capture_rates[8] = {
181         8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
182 };
183
184 static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
185         .count = 8,
186         .list = capture_rates,
187         .mask = 0
188 };
189
190 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
191 {
192         switch (rate) {
193         case 8000:      return ADCCR_SAMPLERATE_8;
194         case 11025:     return ADCCR_SAMPLERATE_11;
195         case 16000:     return ADCCR_SAMPLERATE_16;
196         case 22050:     return ADCCR_SAMPLERATE_22;
197         case 24000:     return ADCCR_SAMPLERATE_24;
198         case 32000:     return ADCCR_SAMPLERATE_32;
199         case 44100:     return ADCCR_SAMPLERATE_44;
200         case 48000:     return ADCCR_SAMPLERATE_48;
201         default:
202                         snd_BUG();
203                         return ADCCR_SAMPLERATE_8;
204         }
205 }
206
207 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
208 {
209         switch (rate) {
210         case 8000:      return A_ADCCR_SAMPLERATE_8;
211         case 11025:     return A_ADCCR_SAMPLERATE_11;
212         case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
213         case 16000:     return ADCCR_SAMPLERATE_16;
214         case 22050:     return ADCCR_SAMPLERATE_22;
215         case 24000:     return ADCCR_SAMPLERATE_24;
216         case 32000:     return ADCCR_SAMPLERATE_32;
217         case 44100:     return ADCCR_SAMPLERATE_44;
218         case 48000:     return ADCCR_SAMPLERATE_48;
219         default:
220                         snd_BUG();
221                         return A_ADCCR_SAMPLERATE_8;
222         }
223 }
224
225 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
226 {
227         unsigned int pitch_target;
228
229         pitch_target = (rate << 8) / 375;
230         pitch_target = (pitch_target >> 1) + (pitch_target & 1);
231         return pitch_target;
232 }
233
234 #define PITCH_48000 0x00004000
235 #define PITCH_96000 0x00008000
236 #define PITCH_85000 0x00007155
237 #define PITCH_80726 0x00006ba2
238 #define PITCH_67882 0x00005a82
239 #define PITCH_57081 0x00004c1c
240
241 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
242 {
243         if (pitch_target == PITCH_48000)
244                 return CCCA_INTERPROM_0;
245         else if (pitch_target < PITCH_48000)
246                 return CCCA_INTERPROM_1;
247         else if (pitch_target >= PITCH_96000)
248                 return CCCA_INTERPROM_0;
249         else if (pitch_target >= PITCH_85000)
250                 return CCCA_INTERPROM_6;
251         else if (pitch_target >= PITCH_80726)
252                 return CCCA_INTERPROM_5;
253         else if (pitch_target >= PITCH_67882)
254                 return CCCA_INTERPROM_4;
255         else if (pitch_target >= PITCH_57081)
256                 return CCCA_INTERPROM_3;
257         else  
258                 return CCCA_INTERPROM_2;
259 }
260
261 /*
262  * calculate cache invalidate size 
263  *
264  * stereo: channel is stereo
265  * w_16: using 16bit samples
266  *
267  * returns: cache invalidate size in samples
268  */
269 static inline int emu10k1_ccis(int stereo, int w_16)
270 {
271         if (w_16) {
272                 return stereo ? 24 : 26;
273         } else {
274                 return stereo ? 24*2 : 26*2;
275         }
276 }
277
278 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
279                                        int master, int extra,
280                                        struct snd_emu10k1_voice *evoice,
281                                        unsigned int start_addr,
282                                        unsigned int end_addr,
283                                        struct snd_emu10k1_pcm_mixer *mix)
284 {
285         struct snd_pcm_substream *substream = evoice->epcm->substream;
286         struct snd_pcm_runtime *runtime = substream->runtime;
287         unsigned int silent_page, tmp;
288         int voice, stereo, w_16;
289         unsigned char attn, send_amount[8];
290         unsigned char send_routing[8];
291         unsigned long flags;
292         unsigned int pitch_target;
293         unsigned int ccis;
294
295         voice = evoice->number;
296         stereo = runtime->channels == 2;
297         w_16 = snd_pcm_format_width(runtime->format) == 16;
298
299         if (!extra && stereo) {
300                 start_addr >>= 1;
301                 end_addr >>= 1;
302         }
303         if (w_16) {
304                 start_addr >>= 1;
305                 end_addr >>= 1;
306         }
307
308         spin_lock_irqsave(&emu->reg_lock, flags);
309
310         /* volume parameters */
311         if (extra) {
312                 attn = 0;
313                 memset(send_routing, 0, sizeof(send_routing));
314                 send_routing[0] = 0;
315                 send_routing[1] = 1;
316                 send_routing[2] = 2;
317                 send_routing[3] = 3;
318                 memset(send_amount, 0, sizeof(send_amount));
319         } else {
320                 /* mono, left, right (master voice = left) */
321                 tmp = stereo ? (master ? 1 : 2) : 0;
322                 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
323                 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
324         }
325
326         ccis = emu10k1_ccis(stereo, w_16);
327         
328         if (master) {
329                 evoice->epcm->ccca_start_addr = start_addr + ccis;
330                 if (extra) {
331                         start_addr += ccis;
332                         end_addr += ccis;
333                 }
334                 if (stereo && !extra) {
335                         snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
336                         snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
337                 } else {
338                         snd_emu10k1_ptr_write(emu, CPF, voice, 0);
339                 }
340         }
341
342         /* setup routing */
343         if (emu->audigy) {
344                 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
345                                       snd_emu10k1_compose_audigy_fxrt1(send_routing));
346                 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
347                                       snd_emu10k1_compose_audigy_fxrt2(send_routing));
348                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
349                                       ((unsigned int)send_amount[4] << 24) |
350                                       ((unsigned int)send_amount[5] << 16) |
351                                       ((unsigned int)send_amount[6] << 8) |
352                                       (unsigned int)send_amount[7]);
353         } else
354                 snd_emu10k1_ptr_write(emu, FXRT, voice,
355                                       snd_emu10k1_compose_send_routing(send_routing));
356         /* Stop CA */
357         /* Assumption that PT is already 0 so no harm overwriting */
358         snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
359         snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
360         snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
361         if (emu->card_capabilities->emu1010)
362                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
363         else 
364                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
365         if (extra)
366                 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
367                               emu10k1_select_interprom(pitch_target) |
368                               (w_16 ? 0 : CCCA_8BITSELECT));
369         else
370                 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
371                               emu10k1_select_interprom(pitch_target) |
372                               (w_16 ? 0 : CCCA_8BITSELECT));
373         /* Clear filter delay memory */
374         snd_emu10k1_ptr_write(emu, Z1, voice, 0);
375         snd_emu10k1_ptr_write(emu, Z2, voice, 0);
376         /* invalidate maps */
377         silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
378         snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
379         snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
380         /* modulation envelope */
381         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
382         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
383         snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
384         snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
385         snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
386         snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
387         snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
388         snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
389         snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
390         snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
391         /* volume envelope */
392         snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
393         snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
394         /* filter envelope */
395         snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
396         /* pitch envelope */
397         snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
398
399         spin_unlock_irqrestore(&emu->reg_lock, flags);
400 }
401
402 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
403                                           struct snd_pcm_hw_params *hw_params)
404 {
405         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
406         struct snd_pcm_runtime *runtime = substream->runtime;
407         struct snd_emu10k1_pcm *epcm = runtime->private_data;
408         int err;
409
410         if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
411                 return err;
412         if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
413                 return err;
414         if (err > 0) {  /* change */
415                 int mapped;
416                 if (epcm->memblk != NULL)
417                         snd_emu10k1_free_pages(emu, epcm->memblk);
418                 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
419                 epcm->start_addr = 0;
420                 if (! epcm->memblk)
421                         return -ENOMEM;
422                 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
423                 if (mapped < 0)
424                         return -ENOMEM;
425                 epcm->start_addr = mapped << PAGE_SHIFT;
426         }
427         return 0;
428 }
429
430 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
431 {
432         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
433         struct snd_pcm_runtime *runtime = substream->runtime;
434         struct snd_emu10k1_pcm *epcm;
435
436         if (runtime->private_data == NULL)
437                 return 0;
438         epcm = runtime->private_data;
439         if (epcm->extra) {
440                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
441                 epcm->extra = NULL;
442         }
443         if (epcm->voices[1]) {
444                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
445                 epcm->voices[1] = NULL;
446         }
447         if (epcm->voices[0]) {
448                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
449                 epcm->voices[0] = NULL;
450         }
451         if (epcm->memblk) {
452                 snd_emu10k1_free_pages(emu, epcm->memblk);
453                 epcm->memblk = NULL;
454                 epcm->start_addr = 0;
455         }
456         snd_pcm_lib_free_pages(substream);
457         return 0;
458 }
459
460 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
461 {
462         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
463         struct snd_pcm_runtime *runtime = substream->runtime;
464         struct snd_emu10k1_pcm *epcm;
465         int i;
466
467         if (runtime->private_data == NULL)
468                 return 0;
469         epcm = runtime->private_data;
470         if (epcm->extra) {
471                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
472                 epcm->extra = NULL;
473         }
474         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
475                 if (epcm->voices[i]) {
476                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
477                         epcm->voices[i] = NULL;
478                 }
479         }
480         if (epcm->memblk) {
481                 snd_emu10k1_free_pages(emu, epcm->memblk);
482                 epcm->memblk = NULL;
483                 epcm->start_addr = 0;
484         }
485         snd_pcm_lib_free_pages(substream);
486         return 0;
487 }
488
489 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
490 {
491         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
492         struct snd_pcm_runtime *runtime = substream->runtime;
493         struct snd_emu10k1_pcm *epcm = runtime->private_data;
494         unsigned int start_addr, end_addr;
495
496         start_addr = epcm->start_addr;
497         end_addr = snd_pcm_lib_period_bytes(substream);
498         if (runtime->channels == 2) {
499                 start_addr >>= 1;
500                 end_addr >>= 1;
501         }
502         end_addr += start_addr;
503         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
504                                    start_addr, end_addr, NULL);
505         start_addr = epcm->start_addr;
506         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
507         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
508                                    start_addr, end_addr,
509                                    &emu->pcm_mixer[substream->number]);
510         if (epcm->voices[1])
511                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
512                                            start_addr, end_addr,
513                                            &emu->pcm_mixer[substream->number]);
514         return 0;
515 }
516
517 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
518 {
519         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
520         struct snd_pcm_runtime *runtime = substream->runtime;
521         struct snd_emu10k1_pcm *epcm = runtime->private_data;
522         unsigned int start_addr, end_addr;
523         unsigned int channel_size;
524         int i;
525
526         start_addr = epcm->start_addr;
527         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
528
529         /*
530          * the kX driver leaves some space between voices
531          */
532         channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
533
534         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
535                                    start_addr, start_addr + (channel_size / 2), NULL);
536
537         /* only difference with the master voice is we use it for the pointer */
538         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
539                                    start_addr, start_addr + channel_size,
540                                    &emu->efx_pcm_mixer[0]);
541
542         start_addr += channel_size;
543         for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
544                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
545                                            start_addr, start_addr + channel_size,
546                                            &emu->efx_pcm_mixer[i]);
547                 start_addr += channel_size;
548         }
549
550         return 0;
551 }
552
553 static struct snd_pcm_hardware snd_emu10k1_efx_playback =
554 {
555         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
556                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
557                                  SNDRV_PCM_INFO_RESUME |
558                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
559         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
560         .rates =                SNDRV_PCM_RATE_48000,
561         .rate_min =             48000,
562         .rate_max =             48000,
563         .channels_min =         NUM_EFX_PLAYBACK,
564         .channels_max =         NUM_EFX_PLAYBACK,
565         .buffer_bytes_max =     (64*1024),
566         .period_bytes_min =     64,
567         .period_bytes_max =     (64*1024),
568         .periods_min =          2,
569         .periods_max =          2,
570         .fifo_size =            0,
571 };
572
573 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
574                                          struct snd_pcm_hw_params *hw_params)
575 {
576         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
577 }
578
579 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
580 {
581         return snd_pcm_lib_free_pages(substream);
582 }
583
584 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
585 {
586         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
587         struct snd_pcm_runtime *runtime = substream->runtime;
588         struct snd_emu10k1_pcm *epcm = runtime->private_data;
589         int idx;
590
591         /* zeroing the buffer size will stop capture */
592         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
593         switch (epcm->type) {
594         case CAPTURE_AC97ADC:
595                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
596                 break;
597         case CAPTURE_EFX:
598                 if (emu->audigy) {
599                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
600                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
601                 } else
602                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
603                 break;
604         default:
605                 break;
606         }       
607         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
608         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
609         epcm->capture_bs_val = 0;
610         for (idx = 0; idx < 31; idx++) {
611                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
612                         epcm->capture_bs_val = idx + 1;
613                         break;
614                 }
615         }
616         if (epcm->capture_bs_val == 0) {
617                 snd_BUG();
618                 epcm->capture_bs_val++;
619         }
620         if (epcm->type == CAPTURE_AC97ADC) {
621                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
622                 if (runtime->channels > 1)
623                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
624                 epcm->capture_cr_val |= emu->audigy ?
625                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
626                         snd_emu10k1_capture_rate_reg(runtime->rate);
627         }
628         return 0;
629 }
630
631 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
632 {
633         struct snd_pcm_runtime *runtime;
634         unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
635
636         if (evoice == NULL)
637                 return;
638         runtime = evoice->epcm->substream->runtime;
639         voice = evoice->number;
640         stereo = (!extra && runtime->channels == 2);
641         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
642         ccis = emu10k1_ccis(stereo, sample == 0);
643         /* set cs to 2 * number of cache registers beside the invalidated */
644         cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
645         if (cs > 16) cs = 16;
646         for (i = 0; i < cs; i++) {
647                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
648                 if (stereo) {
649                         snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
650                 }
651         }
652         /* reset cache */
653         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
654         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
655         if (stereo) {
656                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
657                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
658         }
659         /* fill cache */
660         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
661         if (stereo) {
662                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
663         }
664 }
665
666 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
667                                                int master, int extra,
668                                                struct snd_emu10k1_pcm_mixer *mix)
669 {
670         struct snd_pcm_substream *substream;
671         struct snd_pcm_runtime *runtime;
672         unsigned int attn, vattn;
673         unsigned int voice, tmp;
674
675         if (evoice == NULL)     /* skip second voice for mono */
676                 return;
677         substream = evoice->epcm->substream;
678         runtime = substream->runtime;
679         voice = evoice->number;
680
681         attn = extra ? 0 : 0x00ff;
682         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
683         vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
684         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
685         snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
686         snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
687         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
688         snd_emu10k1_voice_clear_loop_stop(emu, voice);
689 }       
690
691 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
692 {
693         struct snd_pcm_substream *substream;
694         struct snd_pcm_runtime *runtime;
695         unsigned int voice, pitch, pitch_target;
696
697         if (evoice == NULL)     /* skip second voice for mono */
698                 return;
699         substream = evoice->epcm->substream;
700         runtime = substream->runtime;
701         voice = evoice->number;
702
703         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
704         if (emu->card_capabilities->emu1010)
705                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
706         else 
707                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
708         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
709         if (master || evoice->epcm->type == PLAYBACK_EFX)
710                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
711         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
712         if (extra)
713                 snd_emu10k1_voice_intr_enable(emu, voice);
714 }
715
716 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
717 {
718         unsigned int voice;
719
720         if (evoice == NULL)
721                 return;
722         voice = evoice->number;
723         snd_emu10k1_voice_intr_disable(emu, voice);
724         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
725         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
726         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
727         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
728         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
729         snd_emu10k1_ptr_write(emu, IP, voice, 0);
730 }
731
732 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
733                                         int cmd)
734 {
735         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
736         struct snd_pcm_runtime *runtime = substream->runtime;
737         struct snd_emu10k1_pcm *epcm = runtime->private_data;
738         struct snd_emu10k1_pcm_mixer *mix;
739         int result = 0;
740
741         /* printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream)); */
742         spin_lock(&emu->reg_lock);
743         switch (cmd) {
744         case SNDRV_PCM_TRIGGER_START:
745                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
746                 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
747                 /* follow thru */
748         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
749         case SNDRV_PCM_TRIGGER_RESUME:
750                 mix = &emu->pcm_mixer[substream->number];
751                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
752                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
753                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
754                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
755                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
756                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
757                 epcm->running = 1;
758                 break;
759         case SNDRV_PCM_TRIGGER_STOP:
760         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
761         case SNDRV_PCM_TRIGGER_SUSPEND:
762                 epcm->running = 0;
763                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
764                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
765                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
766                 break;
767         default:
768                 result = -EINVAL;
769                 break;
770         }
771         spin_unlock(&emu->reg_lock);
772         return result;
773 }
774
775 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
776                                        int cmd)
777 {
778         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
779         struct snd_pcm_runtime *runtime = substream->runtime;
780         struct snd_emu10k1_pcm *epcm = runtime->private_data;
781         int result = 0;
782
783         spin_lock(&emu->reg_lock);
784         switch (cmd) {
785         case SNDRV_PCM_TRIGGER_START:
786         case SNDRV_PCM_TRIGGER_RESUME:
787                 /* hmm this should cause full and half full interrupt to be raised? */
788                 outl(epcm->capture_ipr, emu->port + IPR);
789                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
790                 /* printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs); */
791                 switch (epcm->type) {
792                 case CAPTURE_AC97ADC:
793                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
794                         break;
795                 case CAPTURE_EFX:
796                         if (emu->audigy) {
797                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
798                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
799                                 snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2);
800                         } else
801                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
802                         break;
803                 default:        
804                         break;
805                 }
806                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
807                 epcm->running = 1;
808                 epcm->first_ptr = 1;
809                 break;
810         case SNDRV_PCM_TRIGGER_STOP:
811         case SNDRV_PCM_TRIGGER_SUSPEND:
812                 epcm->running = 0;
813                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
814                 outl(epcm->capture_ipr, emu->port + IPR);
815                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
816                 switch (epcm->type) {
817                 case CAPTURE_AC97ADC:
818                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
819                         break;
820                 case CAPTURE_EFX:
821                         if (emu->audigy) {
822                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
823                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
824                         } else
825                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
826                         break;
827                 default:
828                         break;
829                 }
830                 break;
831         default:
832                 result = -EINVAL;
833         }
834         spin_unlock(&emu->reg_lock);
835         return result;
836 }
837
838 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
839 {
840         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
841         struct snd_pcm_runtime *runtime = substream->runtime;
842         struct snd_emu10k1_pcm *epcm = runtime->private_data;
843         unsigned int ptr;
844
845         if (!epcm->running)
846                 return 0;
847         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
848 #if 0   /* Perex's code */
849         ptr += runtime->buffer_size;
850         ptr -= epcm->ccca_start_addr;
851         ptr %= runtime->buffer_size;
852 #else   /* EMU10K1 Open Source code from Creative */
853         if (ptr < epcm->ccca_start_addr)
854                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
855         else {
856                 ptr -= epcm->ccca_start_addr;
857                 if (ptr >= runtime->buffer_size)
858                         ptr -= runtime->buffer_size;
859         }
860 #endif
861         /* printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size); */
862         return ptr;
863 }
864
865
866 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
867                                         int cmd)
868 {
869         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
870         struct snd_pcm_runtime *runtime = substream->runtime;
871         struct snd_emu10k1_pcm *epcm = runtime->private_data;
872         int i;
873         int result = 0;
874
875         spin_lock(&emu->reg_lock);
876         switch (cmd) {
877         case SNDRV_PCM_TRIGGER_START:
878                 /* prepare voices */
879                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
880                         snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
881                 }
882                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
883
884                 /* follow thru */
885         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
886         case SNDRV_PCM_TRIGGER_RESUME:
887                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
888                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
889                                                    &emu->efx_pcm_mixer[0]);
890                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
891                         snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
892                                                            &emu->efx_pcm_mixer[i]);
893                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
894                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
895                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
896                         snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
897                 epcm->running = 1;
898                 break;
899         case SNDRV_PCM_TRIGGER_SUSPEND:
900         case SNDRV_PCM_TRIGGER_STOP:
901         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
902                 epcm->running = 0;
903                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
904                         snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
905                 }
906                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
907                 break;
908         default:
909                 result = -EINVAL;
910                 break;
911         }
912         spin_unlock(&emu->reg_lock);
913         return result;
914 }
915
916
917 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
918 {
919         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
920         struct snd_pcm_runtime *runtime = substream->runtime;
921         struct snd_emu10k1_pcm *epcm = runtime->private_data;
922         unsigned int ptr;
923
924         if (!epcm->running)
925                 return 0;
926         if (epcm->first_ptr) {
927                 udelay(50);     /* hack, it takes awhile until capture is started */
928                 epcm->first_ptr = 0;
929         }
930         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
931         return bytes_to_frames(runtime, ptr);
932 }
933
934 /*
935  *  Playback support device description
936  */
937
938 static struct snd_pcm_hardware snd_emu10k1_playback =
939 {
940         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
941                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
942                                  SNDRV_PCM_INFO_RESUME |
943                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
944         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
945         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
946         .rate_min =             4000,
947         .rate_max =             96000,
948         .channels_min =         1,
949         .channels_max =         2,
950         .buffer_bytes_max =     (128*1024),
951         .period_bytes_min =     64,
952         .period_bytes_max =     (128*1024),
953         .periods_min =          1,
954         .periods_max =          1024,
955         .fifo_size =            0,
956 };
957
958 /*
959  *  Capture support device description
960  */
961
962 static struct snd_pcm_hardware snd_emu10k1_capture =
963 {
964         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
965                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
966                                  SNDRV_PCM_INFO_RESUME |
967                                  SNDRV_PCM_INFO_MMAP_VALID),
968         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
969         .rates =                SNDRV_PCM_RATE_8000_48000,
970         .rate_min =             8000,
971         .rate_max =             48000,
972         .channels_min =         1,
973         .channels_max =         2,
974         .buffer_bytes_max =     (64*1024),
975         .period_bytes_min =     384,
976         .period_bytes_max =     (64*1024),
977         .periods_min =          2,
978         .periods_max =          2,
979         .fifo_size =            0,
980 };
981
982 static struct snd_pcm_hardware snd_emu10k1_capture_efx =
983 {
984         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
985                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
986                                  SNDRV_PCM_INFO_RESUME |
987                                  SNDRV_PCM_INFO_MMAP_VALID),
988         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
989         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 
990                                  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 
991                                  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
992         .rate_min =             44100,
993         .rate_max =             192000,
994         .channels_min =         8,
995         .channels_max =         8,
996         .buffer_bytes_max =     (64*1024),
997         .period_bytes_min =     384,
998         .period_bytes_max =     (64*1024),
999         .periods_min =          2,
1000         .periods_max =          2,
1001         .fifo_size =            0,
1002 };
1003
1004 /*
1005  *
1006  */
1007
1008 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1009 {
1010         struct snd_ctl_elem_id id;
1011
1012         if (! kctl)
1013                 return;
1014         if (activate)
1015                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1016         else
1017                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1018         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1019                        SNDRV_CTL_EVENT_MASK_INFO,
1020                        snd_ctl_build_ioff(&id, kctl, idx));
1021 }
1022
1023 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1024 {
1025         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1026         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1027         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1028 }
1029
1030 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1031 {
1032         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1033         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1034         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1035 }
1036
1037 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1038 {
1039         kfree(runtime->private_data);
1040 }
1041
1042 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1043 {
1044         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1045         struct snd_emu10k1_pcm_mixer *mix;
1046         int i;
1047
1048         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1049                 mix = &emu->efx_pcm_mixer[i];
1050                 mix->epcm = NULL;
1051                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1052         }
1053         return 0;
1054 }
1055
1056 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1057 {
1058         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1059         struct snd_emu10k1_pcm *epcm;
1060         struct snd_emu10k1_pcm_mixer *mix;
1061         struct snd_pcm_runtime *runtime = substream->runtime;
1062         int i;
1063
1064         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1065         if (epcm == NULL)
1066                 return -ENOMEM;
1067         epcm->emu = emu;
1068         epcm->type = PLAYBACK_EFX;
1069         epcm->substream = substream;
1070         
1071         emu->pcm_playback_efx_substream = substream;
1072
1073         runtime->private_data = epcm;
1074         runtime->private_free = snd_emu10k1_pcm_free_substream;
1075         runtime->hw = snd_emu10k1_efx_playback;
1076         
1077         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1078                 mix = &emu->efx_pcm_mixer[i];
1079                 mix->send_routing[0][0] = i;
1080                 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1081                 mix->send_volume[0][0] = 255;
1082                 mix->attn[0] = 0xffff;
1083                 mix->epcm = epcm;
1084                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1085         }
1086         return 0;
1087 }
1088
1089 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1090 {
1091         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1092         struct snd_emu10k1_pcm *epcm;
1093         struct snd_emu10k1_pcm_mixer *mix;
1094         struct snd_pcm_runtime *runtime = substream->runtime;
1095         int i, err;
1096
1097         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1098         if (epcm == NULL)
1099                 return -ENOMEM;
1100         epcm->emu = emu;
1101         epcm->type = PLAYBACK_EMUVOICE;
1102         epcm->substream = substream;
1103         runtime->private_data = epcm;
1104         runtime->private_free = snd_emu10k1_pcm_free_substream;
1105         runtime->hw = snd_emu10k1_playback;
1106         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1107                 kfree(epcm);
1108                 return err;
1109         }
1110         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1111                 kfree(epcm);
1112                 return err;
1113         }
1114         mix = &emu->pcm_mixer[substream->number];
1115         for (i = 0; i < 4; i++)
1116                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1117         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1118         mix->send_volume[0][0] = mix->send_volume[0][1] =
1119         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1120         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1121         mix->epcm = epcm;
1122         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1123         return 0;
1124 }
1125
1126 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1127 {
1128         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1129         struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1130
1131         mix->epcm = NULL;
1132         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1133         return 0;
1134 }
1135
1136 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1137 {
1138         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1139         struct snd_pcm_runtime *runtime = substream->runtime;
1140         struct snd_emu10k1_pcm *epcm;
1141
1142         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1143         if (epcm == NULL)
1144                 return -ENOMEM;
1145         epcm->emu = emu;
1146         epcm->type = CAPTURE_AC97ADC;
1147         epcm->substream = substream;
1148         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1149         epcm->capture_inte = INTE_ADCBUFENABLE;
1150         epcm->capture_ba_reg = ADCBA;
1151         epcm->capture_bs_reg = ADCBS;
1152         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1153         runtime->private_data = epcm;
1154         runtime->private_free = snd_emu10k1_pcm_free_substream;
1155         runtime->hw = snd_emu10k1_capture;
1156         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1157         emu->pcm_capture_substream = substream;
1158         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1159         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1160         return 0;
1161 }
1162
1163 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1164 {
1165         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1166
1167         emu->capture_interrupt = NULL;
1168         emu->pcm_capture_substream = NULL;
1169         return 0;
1170 }
1171
1172 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1173 {
1174         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1175         struct snd_emu10k1_pcm *epcm;
1176         struct snd_pcm_runtime *runtime = substream->runtime;
1177
1178         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1179         if (epcm == NULL)
1180                 return -ENOMEM;
1181         epcm->emu = emu;
1182         epcm->type = CAPTURE_AC97MIC;
1183         epcm->substream = substream;
1184         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1185         epcm->capture_inte = INTE_MICBUFENABLE;
1186         epcm->capture_ba_reg = MICBA;
1187         epcm->capture_bs_reg = MICBS;
1188         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1189         substream->runtime->private_data = epcm;
1190         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1191         runtime->hw = snd_emu10k1_capture;
1192         runtime->hw.rates = SNDRV_PCM_RATE_8000;
1193         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1194         runtime->hw.channels_min = 1;
1195         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1196         emu->pcm_capture_mic_substream = substream;
1197         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1198         return 0;
1199 }
1200
1201 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1202 {
1203         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1204
1205         emu->capture_interrupt = NULL;
1206         emu->pcm_capture_mic_substream = NULL;
1207         return 0;
1208 }
1209
1210 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1211 {
1212         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1213         struct snd_emu10k1_pcm *epcm;
1214         struct snd_pcm_runtime *runtime = substream->runtime;
1215         int nefx = emu->audigy ? 64 : 32;
1216         int idx;
1217
1218         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1219         if (epcm == NULL)
1220                 return -ENOMEM;
1221         epcm->emu = emu;
1222         epcm->type = CAPTURE_EFX;
1223         epcm->substream = substream;
1224         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1225         epcm->capture_inte = INTE_EFXBUFENABLE;
1226         epcm->capture_ba_reg = FXBA;
1227         epcm->capture_bs_reg = FXBS;
1228         epcm->capture_idx_reg = FXIDX;
1229         substream->runtime->private_data = epcm;
1230         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1231         runtime->hw = snd_emu10k1_capture_efx;
1232         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1233         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1234         spin_lock_irq(&emu->reg_lock);
1235         if (emu->card_capabilities->emu1010) {
1236                 /*  Nb. of channels has been increased to 16 */
1237                 /* TODO
1238                  * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1239                  * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1240                  * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1241                  * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1242                  * rate_min = 44100,
1243                  * rate_max = 192000,
1244                  * channels_min = 16,
1245                  * channels_max = 16,
1246                  * Need to add mixer control to fix sample rate
1247                  *                 
1248                  * There are 32 mono channels of 16bits each.
1249                  * 24bit Audio uses 2x channels over 16bit
1250                  * 96kHz uses 2x channels over 48kHz
1251                  * 192kHz uses 4x channels over 48kHz
1252                  * So, for 48kHz 24bit, one has 16 channels
1253                  * for 96kHz 24bit, one has 8 channels
1254                  * for 192kHz 24bit, one has 4 channels
1255                  *
1256                  */
1257 #if 1
1258                 switch (emu->emu1010.internal_clock) {
1259                 case 0:
1260                         /* For 44.1kHz */
1261                         runtime->hw.rates = SNDRV_PCM_RATE_44100;
1262                         runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1263                         runtime->hw.channels_min =
1264                                 runtime->hw.channels_max = 16;
1265                         break;
1266                 case 1:
1267                         /* For 48kHz */
1268                         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1269                         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1270                         runtime->hw.channels_min =
1271                                 runtime->hw.channels_max = 16;
1272                         break;
1273                 };
1274 #endif
1275 #if 0
1276                 /* For 96kHz */
1277                 runtime->hw.rates = SNDRV_PCM_RATE_96000;
1278                 runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1279                 runtime->hw.channels_min = runtime->hw.channels_max = 4;
1280 #endif
1281 #if 0
1282                 /* For 192kHz */
1283                 runtime->hw.rates = SNDRV_PCM_RATE_192000;
1284                 runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1285                 runtime->hw.channels_min = runtime->hw.channels_max = 2;
1286 #endif
1287                 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1288                 /* efx_voices_mask[0] is expected to be zero
1289                  * efx_voices_mask[1] is expected to have 32bits set
1290                  */
1291         } else {
1292                 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1293                 for (idx = 0; idx < nefx; idx++) {
1294                         if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1295                                 runtime->hw.channels_min++;
1296                                 runtime->hw.channels_max++;
1297                         }
1298                 }
1299         }
1300         epcm->capture_cr_val = emu->efx_voices_mask[0];
1301         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1302         spin_unlock_irq(&emu->reg_lock);
1303         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1304         emu->pcm_capture_efx_substream = substream;
1305         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1306         return 0;
1307 }
1308
1309 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1310 {
1311         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1312
1313         emu->capture_interrupt = NULL;
1314         emu->pcm_capture_efx_substream = NULL;
1315         return 0;
1316 }
1317
1318 static struct snd_pcm_ops snd_emu10k1_playback_ops = {
1319         .open =                 snd_emu10k1_playback_open,
1320         .close =                snd_emu10k1_playback_close,
1321         .ioctl =                snd_pcm_lib_ioctl,
1322         .hw_params =            snd_emu10k1_playback_hw_params,
1323         .hw_free =              snd_emu10k1_playback_hw_free,
1324         .prepare =              snd_emu10k1_playback_prepare,
1325         .trigger =              snd_emu10k1_playback_trigger,
1326         .pointer =              snd_emu10k1_playback_pointer,
1327         .page =                 snd_pcm_sgbuf_ops_page,
1328 };
1329
1330 static struct snd_pcm_ops snd_emu10k1_capture_ops = {
1331         .open =                 snd_emu10k1_capture_open,
1332         .close =                snd_emu10k1_capture_close,
1333         .ioctl =                snd_pcm_lib_ioctl,
1334         .hw_params =            snd_emu10k1_capture_hw_params,
1335         .hw_free =              snd_emu10k1_capture_hw_free,
1336         .prepare =              snd_emu10k1_capture_prepare,
1337         .trigger =              snd_emu10k1_capture_trigger,
1338         .pointer =              snd_emu10k1_capture_pointer,
1339 };
1340
1341 /* EFX playback */
1342 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1343         .open =                 snd_emu10k1_efx_playback_open,
1344         .close =                snd_emu10k1_efx_playback_close,
1345         .ioctl =                snd_pcm_lib_ioctl,
1346         .hw_params =            snd_emu10k1_playback_hw_params,
1347         .hw_free =              snd_emu10k1_efx_playback_hw_free,
1348         .prepare =              snd_emu10k1_efx_playback_prepare,
1349         .trigger =              snd_emu10k1_efx_playback_trigger,
1350         .pointer =              snd_emu10k1_efx_playback_pointer,
1351         .page =                 snd_pcm_sgbuf_ops_page,
1352 };
1353
1354 int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1355 {
1356         struct snd_pcm *pcm;
1357         struct snd_pcm_substream *substream;
1358         int err;
1359
1360         if (rpcm)
1361                 *rpcm = NULL;
1362
1363         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1364                 return err;
1365
1366         pcm->private_data = emu;
1367
1368         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1369         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1370
1371         pcm->info_flags = 0;
1372         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1373         strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1374         emu->pcm = pcm;
1375
1376         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1377                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1378                         return err;
1379
1380         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1381                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1382
1383         if (rpcm)
1384                 *rpcm = pcm;
1385
1386         return 0;
1387 }
1388
1389 int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1390 {
1391         struct snd_pcm *pcm;
1392         struct snd_pcm_substream *substream;
1393         int err;
1394
1395         if (rpcm)
1396                 *rpcm = NULL;
1397
1398         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1399                 return err;
1400
1401         pcm->private_data = emu;
1402
1403         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1404
1405         pcm->info_flags = 0;
1406         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1407         strcpy(pcm->name, "Multichannel Playback");
1408         emu->pcm_multi = pcm;
1409
1410         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1411                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1412                         return err;
1413
1414         if (rpcm)
1415                 *rpcm = pcm;
1416
1417         return 0;
1418 }
1419
1420
1421 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1422         .open =                 snd_emu10k1_capture_mic_open,
1423         .close =                snd_emu10k1_capture_mic_close,
1424         .ioctl =                snd_pcm_lib_ioctl,
1425         .hw_params =            snd_emu10k1_capture_hw_params,
1426         .hw_free =              snd_emu10k1_capture_hw_free,
1427         .prepare =              snd_emu10k1_capture_prepare,
1428         .trigger =              snd_emu10k1_capture_trigger,
1429         .pointer =              snd_emu10k1_capture_pointer,
1430 };
1431
1432 int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1433 {
1434         struct snd_pcm *pcm;
1435         int err;
1436
1437         if (rpcm)
1438                 *rpcm = NULL;
1439
1440         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1441                 return err;
1442
1443         pcm->private_data = emu;
1444
1445         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1446
1447         pcm->info_flags = 0;
1448         strcpy(pcm->name, "Mic Capture");
1449         emu->pcm_mic = pcm;
1450
1451         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1452
1453         if (rpcm)
1454                 *rpcm = pcm;
1455         return 0;
1456 }
1457
1458 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1459 {
1460         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1461         int nefx = emu->audigy ? 64 : 32;
1462         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1463         uinfo->count = nefx;
1464         uinfo->value.integer.min = 0;
1465         uinfo->value.integer.max = 1;
1466         return 0;
1467 }
1468
1469 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1470 {
1471         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1472         int nefx = emu->audigy ? 64 : 32;
1473         int idx;
1474         
1475         spin_lock_irq(&emu->reg_lock);
1476         for (idx = 0; idx < nefx; idx++)
1477                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1478         spin_unlock_irq(&emu->reg_lock);
1479         return 0;
1480 }
1481
1482 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1483 {
1484         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1485         unsigned int nval[2], bits;
1486         int nefx = emu->audigy ? 64 : 32;
1487         int nefxb = emu->audigy ? 7 : 6;
1488         int change, idx;
1489         
1490         nval[0] = nval[1] = 0;
1491         for (idx = 0, bits = 0; idx < nefx; idx++)
1492                 if (ucontrol->value.integer.value[idx]) {
1493                         nval[idx / 32] |= 1 << (idx % 32);
1494                         bits++;
1495                 }
1496                 
1497         for (idx = 0; idx < nefxb; idx++)
1498                 if (1 << idx == bits)
1499                         break;
1500         
1501         if (idx >= nefxb)
1502                 return -EINVAL;
1503
1504         spin_lock_irq(&emu->reg_lock);
1505         change = (nval[0] != emu->efx_voices_mask[0]) ||
1506                 (nval[1] != emu->efx_voices_mask[1]);
1507         emu->efx_voices_mask[0] = nval[0];
1508         emu->efx_voices_mask[1] = nval[1];
1509         spin_unlock_irq(&emu->reg_lock);
1510         return change;
1511 }
1512
1513 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1514         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1515         .name = "Captured FX8010 Outputs",
1516         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1517         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1518         .put = snd_emu10k1_pcm_efx_voices_mask_put
1519 };
1520
1521 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1522         .open =                 snd_emu10k1_capture_efx_open,
1523         .close =                snd_emu10k1_capture_efx_close,
1524         .ioctl =                snd_pcm_lib_ioctl,
1525         .hw_params =            snd_emu10k1_capture_hw_params,
1526         .hw_free =              snd_emu10k1_capture_hw_free,
1527         .prepare =              snd_emu10k1_capture_prepare,
1528         .trigger =              snd_emu10k1_capture_trigger,
1529         .pointer =              snd_emu10k1_capture_pointer,
1530 };
1531
1532
1533 /* EFX playback */
1534
1535 #define INITIAL_TRAM_SHIFT     14
1536 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1537
1538 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1539 {
1540         struct snd_pcm_substream *substream = private_data;
1541         snd_pcm_period_elapsed(substream);
1542 }
1543
1544 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1545                                                    unsigned short *dst_right,
1546                                                    unsigned short *src,
1547                                                    unsigned int count,
1548                                                    unsigned int tram_shift)
1549 {
1550         /* printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count); */
1551         if ((tram_shift & 1) == 0) {
1552                 while (count--) {
1553                         *dst_left-- = *src++;
1554                         *dst_right-- = *src++;
1555                 }
1556         } else {
1557                 while (count--) {
1558                         *dst_right-- = *src++;
1559                         *dst_left-- = *src++;
1560                 }
1561         }
1562 }
1563
1564 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1565                                  struct snd_pcm_indirect *rec, size_t bytes)
1566 {
1567         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1568         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1569         unsigned int tram_size = pcm->buffer_size;
1570         unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1571         unsigned int frames = bytes >> 2, count;
1572         unsigned int tram_pos = pcm->tram_pos;
1573         unsigned int tram_shift = pcm->tram_shift;
1574
1575         while (frames > tram_pos) {
1576                 count = tram_pos + 1;
1577                 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1578                                                        (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1579                                                        src, count, tram_shift);
1580                 src += count * 2;
1581                 frames -= count;
1582                 tram_pos = (tram_size / 2) - 1;
1583                 tram_shift++;
1584         }
1585         snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1586                                                (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1587                                                src, frames, tram_shift);
1588         tram_pos -= frames;
1589         pcm->tram_pos = tram_pos;
1590         pcm->tram_shift = tram_shift;
1591 }
1592
1593 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1594 {
1595         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1596         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1597
1598         snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1599         return 0;
1600 }
1601
1602 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1603                                                  struct snd_pcm_hw_params *hw_params)
1604 {
1605         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1606 }
1607
1608 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1609 {
1610         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1611         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1612         unsigned int i;
1613
1614         for (i = 0; i < pcm->channels; i++)
1615                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1616         snd_pcm_lib_free_pages(substream);
1617         return 0;
1618 }
1619
1620 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1621 {
1622         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1623         struct snd_pcm_runtime *runtime = substream->runtime;
1624         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1625         unsigned int i;
1626         
1627         /* 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); */
1628         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1629         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1630         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1631         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1632         pcm->tram_shift = 0;
1633         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1634         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1635         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1636         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1637         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1638         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1639         for (i = 0; i < pcm->channels; i++)
1640                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1641         return 0;
1642 }
1643
1644 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1645 {
1646         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1647         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1648         int result = 0;
1649
1650         spin_lock(&emu->reg_lock);
1651         switch (cmd) {
1652         case SNDRV_PCM_TRIGGER_START:
1653                 /* follow thru */
1654         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1655         case SNDRV_PCM_TRIGGER_RESUME:
1656 #ifdef EMU10K1_SET_AC3_IEC958
1657         {
1658                 int i;
1659                 for (i = 0; i < 3; i++) {
1660                         unsigned int bits;
1661                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1662                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1663                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1664                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1665                 }
1666         }
1667 #endif
1668                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1669                 if (result < 0)
1670                         goto __err;
1671                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1672                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1673                 break;
1674         case SNDRV_PCM_TRIGGER_STOP:
1675         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1676         case SNDRV_PCM_TRIGGER_SUSPEND:
1677                 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1678                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1679                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1680                 pcm->tram_shift = 0;
1681                 break;
1682         default:
1683                 result = -EINVAL;
1684                 break;
1685         }
1686       __err:
1687         spin_unlock(&emu->reg_lock);
1688         return result;
1689 }
1690
1691 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1692 {
1693         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1694         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1695         size_t ptr; /* byte pointer */
1696
1697         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1698                 return 0;
1699         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1700         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1701 }
1702
1703 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1704 {
1705         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1706                                  SNDRV_PCM_INFO_RESUME |
1707                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1708         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1709         .rates =                SNDRV_PCM_RATE_48000,
1710         .rate_min =             48000,
1711         .rate_max =             48000,
1712         .channels_min =         1,
1713         .channels_max =         1,
1714         .buffer_bytes_max =     (128*1024),
1715         .period_bytes_min =     1024,
1716         .period_bytes_max =     (128*1024),
1717         .periods_min =          1,
1718         .periods_max =          1024,
1719         .fifo_size =            0,
1720 };
1721
1722 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1723 {
1724         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1725         struct snd_pcm_runtime *runtime = substream->runtime;
1726         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1727
1728         runtime->hw = snd_emu10k1_fx8010_playback;
1729         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1730         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1731         spin_lock_irq(&emu->reg_lock);
1732         if (pcm->valid == 0) {
1733                 spin_unlock_irq(&emu->reg_lock);
1734                 return -ENODEV;
1735         }
1736         pcm->opened = 1;
1737         spin_unlock_irq(&emu->reg_lock);
1738         return 0;
1739 }
1740
1741 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1742 {
1743         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1744         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1745
1746         spin_lock_irq(&emu->reg_lock);
1747         pcm->opened = 0;
1748         spin_unlock_irq(&emu->reg_lock);
1749         return 0;
1750 }
1751
1752 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1753         .open =                 snd_emu10k1_fx8010_playback_open,
1754         .close =                snd_emu10k1_fx8010_playback_close,
1755         .ioctl =                snd_pcm_lib_ioctl,
1756         .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1757         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1758         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1759         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1760         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1761         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1762 };
1763
1764 int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1765 {
1766         struct snd_pcm *pcm;
1767         struct snd_kcontrol *kctl;
1768         int err;
1769
1770         if (rpcm)
1771                 *rpcm = NULL;
1772
1773         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1774                 return err;
1775
1776         pcm->private_data = emu;
1777
1778         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1779         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1780
1781         pcm->info_flags = 0;
1782         strcpy(pcm->name, "Multichannel Capture/PT Playback");
1783         emu->pcm_efx = pcm;
1784         if (rpcm)
1785                 *rpcm = pcm;
1786
1787         /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 
1788          * to these
1789          */     
1790         
1791         /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1792         if (emu->audigy) {
1793                 emu->efx_voices_mask[0] = 0;
1794                 if (emu->card_capabilities->emu1010)
1795                         /* Pavel Hofman - 32 voices will be used for
1796                          * capture (write mode) -
1797                          * each bit = corresponding voice
1798                          */
1799                         emu->efx_voices_mask[1] = 0xffffffff;
1800                 else
1801                         emu->efx_voices_mask[1] = 0xffff;
1802         } else {
1803                 emu->efx_voices_mask[0] = 0xffff0000;
1804                 emu->efx_voices_mask[1] = 0;
1805         }
1806         /* For emu1010, the control has to set 32 upper bits (voices)
1807          * out of the 64 bits (voices) to true for the 16-channels capture
1808          * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1809          * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1810          * control can override this register's value.
1811          */
1812         kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1813         if (!kctl)
1814                 return -ENOMEM;
1815         kctl->id.device = device;
1816         snd_ctl_add(emu->card, kctl);
1817
1818         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1819
1820         return 0;
1821 }