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TOMOYO Linux Cross Reference
Linux/sound/pci/ctxfi/ctatc.c

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  1 /**
  2  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
  3  *
  4  * This source file is released under GPL v2 license (no other versions).
  5  * See the COPYING file included in the main directory of this source
  6  * distribution for the license terms and conditions.
  7  *
  8  * @File    ctatc.c
  9  *
 10  * @Brief
 11  * This file contains the implementation of the device resource management
 12  * object.
 13  *
 14  * @Author Liu Chun
 15  * @Date Mar 28 2008
 16  */
 17 
 18 #include "ctatc.h"
 19 #include "ctpcm.h"
 20 #include "ctmixer.h"
 21 #include "ctsrc.h"
 22 #include "ctamixer.h"
 23 #include "ctdaio.h"
 24 #include "cttimer.h"
 25 #include <linux/delay.h>
 26 #include <linux/slab.h>
 27 #include <sound/pcm.h>
 28 #include <sound/control.h>
 29 #include <sound/asoundef.h>
 30 
 31 #define MONO_SUM_SCALE  0x19a8  /* 2^(-0.5) in 14-bit floating format */
 32 #define MAX_MULTI_CHN   8
 33 
 34 #define IEC958_DEFAULT_CON ((IEC958_AES0_NONAUDIO \
 35                             | IEC958_AES0_CON_NOT_COPYRIGHT) \
 36                             | ((IEC958_AES1_CON_MIXER \
 37                             | IEC958_AES1_CON_ORIGINAL) << 8) \
 38                             | (0x10 << 16) \
 39                             | ((IEC958_AES3_CON_FS_48000) << 24))
 40 
 41 static struct snd_pci_quirk subsys_20k1_list[] = {
 42         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0022, "SB055x", CTSB055X),
 43         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x002f, "SB055x", CTSB055X),
 44         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0029, "SB073x", CTSB073X),
 45         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0031, "SB073x", CTSB073X),
 46         SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000, 0x6000,
 47                            "UAA", CTUAA),
 48         { } /* terminator */
 49 };
 50 
 51 static struct snd_pci_quirk subsys_20k2_list[] = {
 52         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
 53                       "SB0760", CTSB0760),
 54         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB1270,
 55                       "SB1270", CTSB1270),
 56         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
 57                       "SB0880", CTSB0880),
 58         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
 59                       "SB0880", CTSB0880),
 60         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
 61                       "SB0880", CTSB0880),
 62         SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000,
 63                            PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "HENDRIX",
 64                            CTHENDRIX),
 65         { } /* terminator */
 66 };
 67 
 68 static const char *ct_subsys_name[NUM_CTCARDS] = {
 69         /* 20k1 models */
 70         [CTSB055X]      = "SB055x",
 71         [CTSB073X]      = "SB073x",
 72         [CTUAA]         = "UAA",
 73         [CT20K1_UNKNOWN] = "Unknown",
 74         /* 20k2 models */
 75         [CTSB0760]      = "SB076x",
 76         [CTHENDRIX]     = "Hendrix",
 77         [CTSB0880]      = "SB0880",
 78         [CTSB1270]      = "SB1270",
 79         [CT20K2_UNKNOWN] = "Unknown",
 80 };
 81 
 82 static struct {
 83         int (*create)(struct ct_atc *atc,
 84                         enum CTALSADEVS device, const char *device_name);
 85         int (*destroy)(void *alsa_dev);
 86         const char *public_name;
 87 } alsa_dev_funcs[NUM_CTALSADEVS] = {
 88         [FRONT]         = { .create = ct_alsa_pcm_create,
 89                             .destroy = NULL,
 90                             .public_name = "Front/WaveIn"},
 91         [SURROUND]      = { .create = ct_alsa_pcm_create,
 92                             .destroy = NULL,
 93                             .public_name = "Surround"},
 94         [CLFE]          = { .create = ct_alsa_pcm_create,
 95                             .destroy = NULL,
 96                             .public_name = "Center/LFE"},
 97         [SIDE]          = { .create = ct_alsa_pcm_create,
 98                             .destroy = NULL,
 99                             .public_name = "Side"},
100         [IEC958]        = { .create = ct_alsa_pcm_create,
101                             .destroy = NULL,
102                             .public_name = "IEC958 Non-audio"},
103 
104         [MIXER]         = { .create = ct_alsa_mix_create,
105                             .destroy = NULL,
106                             .public_name = "Mixer"}
107 };
108 
109 typedef int (*create_t)(void *, void **);
110 typedef int (*destroy_t)(void *);
111 
112 static struct {
113         int (*create)(void *hw, void **rmgr);
114         int (*destroy)(void *mgr);
115 } rsc_mgr_funcs[NUM_RSCTYP] = {
116         [SRC]           = { .create     = (create_t)src_mgr_create,
117                             .destroy    = (destroy_t)src_mgr_destroy    },
118         [SRCIMP]        = { .create     = (create_t)srcimp_mgr_create,
119                             .destroy    = (destroy_t)srcimp_mgr_destroy },
120         [AMIXER]        = { .create     = (create_t)amixer_mgr_create,
121                             .destroy    = (destroy_t)amixer_mgr_destroy },
122         [SUM]           = { .create     = (create_t)sum_mgr_create,
123                             .destroy    = (destroy_t)sum_mgr_destroy    },
124         [DAIO]          = { .create     = (create_t)daio_mgr_create,
125                             .destroy    = (destroy_t)daio_mgr_destroy   }
126 };
127 
128 static int
129 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
130 
131 /* *
132  * Only mono and interleaved modes are supported now.
133  * Always allocates a contiguous channel block.
134  * */
135 
136 static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
137 {
138         struct snd_pcm_runtime *runtime;
139         struct ct_vm *vm;
140 
141         if (!apcm->substream)
142                 return 0;
143 
144         runtime = apcm->substream->runtime;
145         vm = atc->vm;
146 
147         apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
148 
149         if (!apcm->vm_block)
150                 return -ENOENT;
151 
152         return 0;
153 }
154 
155 static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
156 {
157         struct ct_vm *vm;
158 
159         if (!apcm->vm_block)
160                 return;
161 
162         vm = atc->vm;
163 
164         vm->unmap(vm, apcm->vm_block);
165 
166         apcm->vm_block = NULL;
167 }
168 
169 static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
170 {
171         return atc->vm->get_ptp_phys(atc->vm, index);
172 }
173 
174 static unsigned int convert_format(snd_pcm_format_t snd_format)
175 {
176         switch (snd_format) {
177         case SNDRV_PCM_FORMAT_U8:
178                 return SRC_SF_U8;
179         case SNDRV_PCM_FORMAT_S16_LE:
180                 return SRC_SF_S16;
181         case SNDRV_PCM_FORMAT_S24_3LE:
182                 return SRC_SF_S24;
183         case SNDRV_PCM_FORMAT_S32_LE:
184                 return SRC_SF_S32;
185         case SNDRV_PCM_FORMAT_FLOAT_LE:
186                 return SRC_SF_F32;
187         default:
188                 printk(KERN_ERR "ctxfi: not recognized snd format is %d \n",
189                         snd_format);
190                 return SRC_SF_S16;
191         }
192 }
193 
194 static unsigned int
195 atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
196 {
197         unsigned int pitch;
198         int b;
199 
200         /* get pitch and convert to fixed-point 8.24 format. */
201         pitch = (input_rate / output_rate) << 24;
202         input_rate %= output_rate;
203         input_rate /= 100;
204         output_rate /= 100;
205         for (b = 31; ((b >= 0) && !(input_rate >> b)); )
206                 b--;
207 
208         if (b >= 0) {
209                 input_rate <<= (31 - b);
210                 input_rate /= output_rate;
211                 b = 24 - (31 - b);
212                 if (b >= 0)
213                         input_rate <<= b;
214                 else
215                         input_rate >>= -b;
216 
217                 pitch |= input_rate;
218         }
219 
220         return pitch;
221 }
222 
223 static int select_rom(unsigned int pitch)
224 {
225         if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
226                 /* 0.26 <= pitch <= 1.72 */
227                 return 1;
228         } else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
229                 /* pitch == 1.8375 */
230                 return 2;
231         } else if (pitch == 0x02000000) {
232                 /* pitch == 2 */
233                 return 3;
234         } else if (pitch <= 0x08000000) {
235                 /* 0 <= pitch <= 8 */
236                 return 0;
237         } else {
238                 return -ENOENT;
239         }
240 }
241 
242 static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
243 {
244         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
245         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
246         struct src_desc desc = {0};
247         struct amixer_desc mix_dsc = {0};
248         struct src *src;
249         struct amixer *amixer;
250         int err;
251         int n_amixer = apcm->substream->runtime->channels, i = 0;
252         int device = apcm->substream->pcm->device;
253         unsigned int pitch;
254 
255         /* first release old resources */
256         atc_pcm_release_resources(atc, apcm);
257 
258         /* Get SRC resource */
259         desc.multi = apcm->substream->runtime->channels;
260         desc.msr = atc->msr;
261         desc.mode = MEMRD;
262         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
263         if (err)
264                 goto error1;
265 
266         pitch = atc_get_pitch(apcm->substream->runtime->rate,
267                                                 (atc->rsr * atc->msr));
268         src = apcm->src;
269         src->ops->set_pitch(src, pitch);
270         src->ops->set_rom(src, select_rom(pitch));
271         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
272         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
273 
274         /* Get AMIXER resource */
275         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
276         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
277         if (!apcm->amixers) {
278                 err = -ENOMEM;
279                 goto error1;
280         }
281         mix_dsc.msr = atc->msr;
282         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
283                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
284                                         (struct amixer **)&apcm->amixers[i]);
285                 if (err)
286                         goto error1;
287 
288                 apcm->n_amixer++;
289         }
290 
291         /* Set up device virtual mem map */
292         err = ct_map_audio_buffer(atc, apcm);
293         if (err < 0)
294                 goto error1;
295 
296         /* Connect resources */
297         src = apcm->src;
298         for (i = 0; i < n_amixer; i++) {
299                 amixer = apcm->amixers[i];
300                 mutex_lock(&atc->atc_mutex);
301                 amixer->ops->setup(amixer, &src->rsc,
302                                         INIT_VOL, atc->pcm[i+device*2]);
303                 mutex_unlock(&atc->atc_mutex);
304                 src = src->ops->next_interleave(src);
305                 if (!src)
306                         src = apcm->src;
307         }
308 
309         ct_timer_prepare(apcm->timer);
310 
311         return 0;
312 
313 error1:
314         atc_pcm_release_resources(atc, apcm);
315         return err;
316 }
317 
318 static int
319 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
320 {
321         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
322         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
323         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
324         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
325         struct srcimp *srcimp;
326         int i;
327 
328         if (apcm->srcimps) {
329                 for (i = 0; i < apcm->n_srcimp; i++) {
330                         srcimp = apcm->srcimps[i];
331                         srcimp->ops->unmap(srcimp);
332                         srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
333                         apcm->srcimps[i] = NULL;
334                 }
335                 kfree(apcm->srcimps);
336                 apcm->srcimps = NULL;
337         }
338 
339         if (apcm->srccs) {
340                 for (i = 0; i < apcm->n_srcc; i++) {
341                         src_mgr->put_src(src_mgr, apcm->srccs[i]);
342                         apcm->srccs[i] = NULL;
343                 }
344                 kfree(apcm->srccs);
345                 apcm->srccs = NULL;
346         }
347 
348         if (apcm->amixers) {
349                 for (i = 0; i < apcm->n_amixer; i++) {
350                         amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
351                         apcm->amixers[i] = NULL;
352                 }
353                 kfree(apcm->amixers);
354                 apcm->amixers = NULL;
355         }
356 
357         if (apcm->mono) {
358                 sum_mgr->put_sum(sum_mgr, apcm->mono);
359                 apcm->mono = NULL;
360         }
361 
362         if (apcm->src) {
363                 src_mgr->put_src(src_mgr, apcm->src);
364                 apcm->src = NULL;
365         }
366 
367         if (apcm->vm_block) {
368                 /* Undo device virtual mem map */
369                 ct_unmap_audio_buffer(atc, apcm);
370                 apcm->vm_block = NULL;
371         }
372 
373         return 0;
374 }
375 
376 static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
377 {
378         unsigned int max_cisz;
379         struct src *src = apcm->src;
380 
381         if (apcm->started)
382                 return 0;
383         apcm->started = 1;
384 
385         max_cisz = src->multi * src->rsc.msr;
386         max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
387 
388         src->ops->set_sa(src, apcm->vm_block->addr);
389         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
390         src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
391         src->ops->set_cisz(src, max_cisz);
392 
393         src->ops->set_bm(src, 1);
394         src->ops->set_state(src, SRC_STATE_INIT);
395         src->ops->commit_write(src);
396 
397         ct_timer_start(apcm->timer);
398         return 0;
399 }
400 
401 static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
402 {
403         struct src *src;
404         int i;
405 
406         ct_timer_stop(apcm->timer);
407 
408         src = apcm->src;
409         src->ops->set_bm(src, 0);
410         src->ops->set_state(src, SRC_STATE_OFF);
411         src->ops->commit_write(src);
412 
413         if (apcm->srccs) {
414                 for (i = 0; i < apcm->n_srcc; i++) {
415                         src = apcm->srccs[i];
416                         src->ops->set_bm(src, 0);
417                         src->ops->set_state(src, SRC_STATE_OFF);
418                         src->ops->commit_write(src);
419                 }
420         }
421 
422         apcm->started = 0;
423 
424         return 0;
425 }
426 
427 static int
428 atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
429 {
430         struct src *src = apcm->src;
431         u32 size, max_cisz;
432         int position;
433 
434         if (!src)
435                 return 0;
436         position = src->ops->get_ca(src);
437 
438         size = apcm->vm_block->size;
439         max_cisz = src->multi * src->rsc.msr;
440         max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
441 
442         return (position + size - max_cisz - apcm->vm_block->addr) % size;
443 }
444 
445 struct src_node_conf_t {
446         unsigned int pitch;
447         unsigned int msr:8;
448         unsigned int mix_msr:8;
449         unsigned int imp_msr:8;
450         unsigned int vo:1;
451 };
452 
453 static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
454                                 struct src_node_conf_t *conf, int *n_srcc)
455 {
456         unsigned int pitch;
457 
458         /* get pitch and convert to fixed-point 8.24 format. */
459         pitch = atc_get_pitch((atc->rsr * atc->msr),
460                                 apcm->substream->runtime->rate);
461         *n_srcc = 0;
462 
463         if (1 == atc->msr) { /* FIXME: do we really need SRC here if pitch==1 */
464                 *n_srcc = apcm->substream->runtime->channels;
465                 conf[0].pitch = pitch;
466                 conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
467                 conf[0].vo = 1;
468         } else if (2 <= atc->msr) {
469                 if (0x8000000 < pitch) {
470                         /* Need two-stage SRCs, SRCIMPs and
471                          * AMIXERs for converting format */
472                         conf[0].pitch = (atc->msr << 24);
473                         conf[0].msr = conf[0].mix_msr = 1;
474                         conf[0].imp_msr = atc->msr;
475                         conf[0].vo = 0;
476                         conf[1].pitch = atc_get_pitch(atc->rsr,
477                                         apcm->substream->runtime->rate);
478                         conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
479                         conf[1].vo = 1;
480                         *n_srcc = apcm->substream->runtime->channels * 2;
481                 } else if (0x1000000 < pitch) {
482                         /* Need one-stage SRCs, SRCIMPs and
483                          * AMIXERs for converting format */
484                         conf[0].pitch = pitch;
485                         conf[0].msr = conf[0].mix_msr
486                                     = conf[0].imp_msr = atc->msr;
487                         conf[0].vo = 1;
488                         *n_srcc = apcm->substream->runtime->channels;
489                 }
490         }
491 }
492 
493 static int
494 atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
495 {
496         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
497         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
498         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
499         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
500         struct src_desc src_dsc = {0};
501         struct src *src;
502         struct srcimp_desc srcimp_dsc = {0};
503         struct srcimp *srcimp;
504         struct amixer_desc mix_dsc = {0};
505         struct sum_desc sum_dsc = {0};
506         unsigned int pitch;
507         int multi, err, i;
508         int n_srcimp, n_amixer, n_srcc, n_sum;
509         struct src_node_conf_t src_node_conf[2] = {{0} };
510 
511         /* first release old resources */
512         atc_pcm_release_resources(atc, apcm);
513 
514         /* The numbers of converting SRCs and SRCIMPs should be determined
515          * by pitch value. */
516 
517         multi = apcm->substream->runtime->channels;
518 
519         /* get pitch and convert to fixed-point 8.24 format. */
520         pitch = atc_get_pitch((atc->rsr * atc->msr),
521                                 apcm->substream->runtime->rate);
522 
523         setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
524         n_sum = (1 == multi) ? 1 : 0;
525         n_amixer = n_sum * 2 + n_srcc;
526         n_srcimp = n_srcc;
527         if ((multi > 1) && (0x8000000 >= pitch)) {
528                 /* Need extra AMIXERs and SRCIMPs for special treatment
529                  * of interleaved recording of conjugate channels */
530                 n_amixer += multi * atc->msr;
531                 n_srcimp += multi * atc->msr;
532         } else {
533                 n_srcimp += multi;
534         }
535 
536         if (n_srcc) {
537                 apcm->srccs = kzalloc(sizeof(void *)*n_srcc, GFP_KERNEL);
538                 if (!apcm->srccs)
539                         return -ENOMEM;
540         }
541         if (n_amixer) {
542                 apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
543                 if (!apcm->amixers) {
544                         err = -ENOMEM;
545                         goto error1;
546                 }
547         }
548         apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL);
549         if (!apcm->srcimps) {
550                 err = -ENOMEM;
551                 goto error1;
552         }
553 
554         /* Allocate SRCs for sample rate conversion if needed */
555         src_dsc.multi = 1;
556         src_dsc.mode = ARCRW;
557         for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
558                 src_dsc.msr = src_node_conf[i/multi].msr;
559                 err = src_mgr->get_src(src_mgr, &src_dsc,
560                                         (struct src **)&apcm->srccs[i]);
561                 if (err)
562                         goto error1;
563 
564                 src = apcm->srccs[i];
565                 pitch = src_node_conf[i/multi].pitch;
566                 src->ops->set_pitch(src, pitch);
567                 src->ops->set_rom(src, select_rom(pitch));
568                 src->ops->set_vo(src, src_node_conf[i/multi].vo);
569 
570                 apcm->n_srcc++;
571         }
572 
573         /* Allocate AMIXERs for routing SRCs of conversion if needed */
574         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
575                 if (i < (n_sum*2))
576                         mix_dsc.msr = atc->msr;
577                 else if (i < (n_sum*2+n_srcc))
578                         mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
579                 else
580                         mix_dsc.msr = 1;
581 
582                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
583                                         (struct amixer **)&apcm->amixers[i]);
584                 if (err)
585                         goto error1;
586 
587                 apcm->n_amixer++;
588         }
589 
590         /* Allocate a SUM resource to mix all input channels together */
591         sum_dsc.msr = atc->msr;
592         err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
593         if (err)
594                 goto error1;
595 
596         pitch = atc_get_pitch((atc->rsr * atc->msr),
597                                 apcm->substream->runtime->rate);
598         /* Allocate SRCIMP resources */
599         for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
600                 if (i < (n_srcc))
601                         srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
602                 else if (1 == multi)
603                         srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
604                 else
605                         srcimp_dsc.msr = 1;
606 
607                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
608                 if (err)
609                         goto error1;
610 
611                 apcm->srcimps[i] = srcimp;
612                 apcm->n_srcimp++;
613         }
614 
615         /* Allocate a SRC for writing data to host memory */
616         src_dsc.multi = apcm->substream->runtime->channels;
617         src_dsc.msr = 1;
618         src_dsc.mode = MEMWR;
619         err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
620         if (err)
621                 goto error1;
622 
623         src = apcm->src;
624         src->ops->set_pitch(src, pitch);
625 
626         /* Set up device virtual mem map */
627         err = ct_map_audio_buffer(atc, apcm);
628         if (err < 0)
629                 goto error1;
630 
631         return 0;
632 
633 error1:
634         atc_pcm_release_resources(atc, apcm);
635         return err;
636 }
637 
638 static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
639 {
640         struct src *src;
641         struct amixer *amixer;
642         struct srcimp *srcimp;
643         struct ct_mixer *mixer = atc->mixer;
644         struct sum *mono;
645         struct rsc *out_ports[8] = {NULL};
646         int err, i, j, n_sum, multi;
647         unsigned int pitch;
648         int mix_base = 0, imp_base = 0;
649 
650         atc_pcm_release_resources(atc, apcm);
651 
652         /* Get needed resources. */
653         err = atc_pcm_capture_get_resources(atc, apcm);
654         if (err)
655                 return err;
656 
657         /* Connect resources */
658         mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
659                                 &out_ports[0], &out_ports[1]);
660 
661         multi = apcm->substream->runtime->channels;
662         if (1 == multi) {
663                 mono = apcm->mono;
664                 for (i = 0; i < 2; i++) {
665                         amixer = apcm->amixers[i];
666                         amixer->ops->setup(amixer, out_ports[i],
667                                                 MONO_SUM_SCALE, mono);
668                 }
669                 out_ports[0] = &mono->rsc;
670                 n_sum = 1;
671                 mix_base = n_sum * 2;
672         }
673 
674         for (i = 0; i < apcm->n_srcc; i++) {
675                 src = apcm->srccs[i];
676                 srcimp = apcm->srcimps[imp_base+i];
677                 amixer = apcm->amixers[mix_base+i];
678                 srcimp->ops->map(srcimp, src, out_ports[i%multi]);
679                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
680                 out_ports[i%multi] = &amixer->rsc;
681         }
682 
683         pitch = atc_get_pitch((atc->rsr * atc->msr),
684                                 apcm->substream->runtime->rate);
685 
686         if ((multi > 1) && (pitch <= 0x8000000)) {
687                 /* Special connection for interleaved
688                  * recording with conjugate channels */
689                 for (i = 0; i < multi; i++) {
690                         out_ports[i]->ops->master(out_ports[i]);
691                         for (j = 0; j < atc->msr; j++) {
692                                 amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
693                                 amixer->ops->set_input(amixer, out_ports[i]);
694                                 amixer->ops->set_scale(amixer, INIT_VOL);
695                                 amixer->ops->set_sum(amixer, NULL);
696                                 amixer->ops->commit_raw_write(amixer);
697                                 out_ports[i]->ops->next_conj(out_ports[i]);
698 
699                                 srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
700                                 srcimp->ops->map(srcimp, apcm->src,
701                                                         &amixer->rsc);
702                         }
703                 }
704         } else {
705                 for (i = 0; i < multi; i++) {
706                         srcimp = apcm->srcimps[apcm->n_srcc+i];
707                         srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
708                 }
709         }
710 
711         ct_timer_prepare(apcm->timer);
712 
713         return 0;
714 }
715 
716 static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
717 {
718         struct src *src;
719         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
720         int i, multi;
721 
722         if (apcm->started)
723                 return 0;
724 
725         apcm->started = 1;
726         multi = apcm->substream->runtime->channels;
727         /* Set up converting SRCs */
728         for (i = 0; i < apcm->n_srcc; i++) {
729                 src = apcm->srccs[i];
730                 src->ops->set_pm(src, ((i%multi) != (multi-1)));
731                 src_mgr->src_disable(src_mgr, src);
732         }
733 
734         /*  Set up recording SRC */
735         src = apcm->src;
736         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
737         src->ops->set_sa(src, apcm->vm_block->addr);
738         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
739         src->ops->set_ca(src, apcm->vm_block->addr);
740         src_mgr->src_disable(src_mgr, src);
741 
742         /* Disable relevant SRCs firstly */
743         src_mgr->commit_write(src_mgr);
744 
745         /* Enable SRCs respectively */
746         for (i = 0; i < apcm->n_srcc; i++) {
747                 src = apcm->srccs[i];
748                 src->ops->set_state(src, SRC_STATE_RUN);
749                 src->ops->commit_write(src);
750                 src_mgr->src_enable_s(src_mgr, src);
751         }
752         src = apcm->src;
753         src->ops->set_bm(src, 1);
754         src->ops->set_state(src, SRC_STATE_RUN);
755         src->ops->commit_write(src);
756         src_mgr->src_enable_s(src_mgr, src);
757 
758         /* Enable relevant SRCs synchronously */
759         src_mgr->commit_write(src_mgr);
760 
761         ct_timer_start(apcm->timer);
762         return 0;
763 }
764 
765 static int
766 atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
767 {
768         struct src *src = apcm->src;
769 
770         if (!src)
771                 return 0;
772         return src->ops->get_ca(src) - apcm->vm_block->addr;
773 }
774 
775 static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
776                                                  struct ct_atc_pcm *apcm)
777 {
778         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
779         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
780         struct src_desc desc = {0};
781         struct amixer_desc mix_dsc = {0};
782         struct src *src;
783         int err;
784         int n_amixer = apcm->substream->runtime->channels, i;
785         unsigned int pitch, rsr = atc->pll_rate;
786 
787         /* first release old resources */
788         atc_pcm_release_resources(atc, apcm);
789 
790         /* Get SRC resource */
791         desc.multi = apcm->substream->runtime->channels;
792         desc.msr = 1;
793         while (apcm->substream->runtime->rate > (rsr * desc.msr))
794                 desc.msr <<= 1;
795 
796         desc.mode = MEMRD;
797         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
798         if (err)
799                 goto error1;
800 
801         pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
802         src = apcm->src;
803         src->ops->set_pitch(src, pitch);
804         src->ops->set_rom(src, select_rom(pitch));
805         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
806         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
807         src->ops->set_bp(src, 1);
808 
809         /* Get AMIXER resource */
810         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
811         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
812         if (!apcm->amixers) {
813                 err = -ENOMEM;
814                 goto error1;
815         }
816         mix_dsc.msr = desc.msr;
817         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
818                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
819                                         (struct amixer **)&apcm->amixers[i]);
820                 if (err)
821                         goto error1;
822 
823                 apcm->n_amixer++;
824         }
825 
826         /* Set up device virtual mem map */
827         err = ct_map_audio_buffer(atc, apcm);
828         if (err < 0)
829                 goto error1;
830 
831         return 0;
832 
833 error1:
834         atc_pcm_release_resources(atc, apcm);
835         return err;
836 }
837 
838 static int atc_pll_init(struct ct_atc *atc, int rate)
839 {
840         struct hw *hw = atc->hw;
841         int err;
842         err = hw->pll_init(hw, rate);
843         atc->pll_rate = err ? 0 : rate;
844         return err;
845 }
846 
847 static int
848 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
849 {
850         struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
851         unsigned int rate = apcm->substream->runtime->rate;
852         unsigned int status;
853         int err = 0;
854         unsigned char iec958_con_fs;
855 
856         switch (rate) {
857         case 48000:
858                 iec958_con_fs = IEC958_AES3_CON_FS_48000;
859                 break;
860         case 44100:
861                 iec958_con_fs = IEC958_AES3_CON_FS_44100;
862                 break;
863         case 32000:
864                 iec958_con_fs = IEC958_AES3_CON_FS_32000;
865                 break;
866         default:
867                 return -ENOENT;
868         }
869 
870         mutex_lock(&atc->atc_mutex);
871         dao->ops->get_spos(dao, &status);
872         if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
873                 status &= ~(IEC958_AES3_CON_FS << 24);
874                 status |= (iec958_con_fs << 24);
875                 dao->ops->set_spos(dao, status);
876                 dao->ops->commit_write(dao);
877         }
878         if ((rate != atc->pll_rate) && (32000 != rate))
879                 err = atc_pll_init(atc, rate);
880         mutex_unlock(&atc->atc_mutex);
881 
882         return err;
883 }
884 
885 static int
886 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
887 {
888         struct src *src;
889         struct amixer *amixer;
890         struct dao *dao;
891         int err;
892         int i;
893 
894         atc_pcm_release_resources(atc, apcm);
895 
896         /* Configure SPDIFOO and PLL to passthrough mode;
897          * determine pll_rate. */
898         err = spdif_passthru_playback_setup(atc, apcm);
899         if (err)
900                 return err;
901 
902         /* Get needed resources. */
903         err = spdif_passthru_playback_get_resources(atc, apcm);
904         if (err)
905                 return err;
906 
907         /* Connect resources */
908         src = apcm->src;
909         for (i = 0; i < apcm->n_amixer; i++) {
910                 amixer = apcm->amixers[i];
911                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
912                 src = src->ops->next_interleave(src);
913                 if (!src)
914                         src = apcm->src;
915         }
916         /* Connect to SPDIFOO */
917         mutex_lock(&atc->atc_mutex);
918         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
919         amixer = apcm->amixers[0];
920         dao->ops->set_left_input(dao, &amixer->rsc);
921         amixer = apcm->amixers[1];
922         dao->ops->set_right_input(dao, &amixer->rsc);
923         mutex_unlock(&atc->atc_mutex);
924 
925         ct_timer_prepare(apcm->timer);
926 
927         return 0;
928 }
929 
930 static int atc_select_line_in(struct ct_atc *atc)
931 {
932         struct hw *hw = atc->hw;
933         struct ct_mixer *mixer = atc->mixer;
934         struct src *src;
935 
936         if (hw->is_adc_source_selected(hw, ADC_LINEIN))
937                 return 0;
938 
939         mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
940         mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
941 
942         hw->select_adc_source(hw, ADC_LINEIN);
943 
944         src = atc->srcs[2];
945         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
946         src = atc->srcs[3];
947         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
948 
949         return 0;
950 }
951 
952 static int atc_select_mic_in(struct ct_atc *atc)
953 {
954         struct hw *hw = atc->hw;
955         struct ct_mixer *mixer = atc->mixer;
956         struct src *src;
957 
958         if (hw->is_adc_source_selected(hw, ADC_MICIN))
959                 return 0;
960 
961         mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
962         mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
963 
964         hw->select_adc_source(hw, ADC_MICIN);
965 
966         src = atc->srcs[2];
967         mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
968         src = atc->srcs[3];
969         mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
970 
971         return 0;
972 }
973 
974 static struct capabilities atc_capabilities(struct ct_atc *atc)
975 {
976         struct hw *hw = atc->hw;
977 
978         return hw->capabilities(hw);
979 }
980 
981 static int atc_output_switch_get(struct ct_atc *atc)
982 {
983         struct hw *hw = atc->hw;
984 
985         return hw->output_switch_get(hw);
986 }
987 
988 static int atc_output_switch_put(struct ct_atc *atc, int position)
989 {
990         struct hw *hw = atc->hw;
991 
992         return hw->output_switch_put(hw, position);
993 }
994 
995 static int atc_mic_source_switch_get(struct ct_atc *atc)
996 {
997         struct hw *hw = atc->hw;
998 
999         return hw->mic_source_switch_get(hw);
1000 }
1001 
1002 static int atc_mic_source_switch_put(struct ct_atc *atc, int position)
1003 {
1004         struct hw *hw = atc->hw;
1005 
1006         return hw->mic_source_switch_put(hw, position);
1007 }
1008 
1009 static int atc_select_digit_io(struct ct_atc *atc)
1010 {
1011         struct hw *hw = atc->hw;
1012 
1013         if (hw->is_adc_source_selected(hw, ADC_NONE))
1014                 return 0;
1015 
1016         hw->select_adc_source(hw, ADC_NONE);
1017 
1018         return 0;
1019 }
1020 
1021 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
1022 {
1023         struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
1024 
1025         if (state)
1026                 daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
1027         else
1028                 daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1029 
1030         daio_mgr->commit_write(daio_mgr);
1031 
1032         return 0;
1033 }
1034 
1035 static int
1036 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1037 {
1038         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1039         return dao->ops->get_spos(dao, status);
1040 }
1041 
1042 static int
1043 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1044 {
1045         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1046 
1047         dao->ops->set_spos(dao, status);
1048         dao->ops->commit_write(dao);
1049         return 0;
1050 }
1051 
1052 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1053 {
1054         return atc_daio_unmute(atc, state, LINEO1);
1055 }
1056 
1057 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1058 {
1059         return atc_daio_unmute(atc, state, LINEO2);
1060 }
1061 
1062 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1063 {
1064         return atc_daio_unmute(atc, state, LINEO3);
1065 }
1066 
1067 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1068 {
1069         return atc_daio_unmute(atc, state, LINEO4);
1070 }
1071 
1072 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1073 {
1074         return atc_daio_unmute(atc, state, LINEIM);
1075 }
1076 
1077 static int atc_mic_unmute(struct ct_atc *atc, unsigned char state)
1078 {
1079         return atc_daio_unmute(atc, state, MIC);
1080 }
1081 
1082 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1083 {
1084         return atc_daio_unmute(atc, state, SPDIFOO);
1085 }
1086 
1087 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1088 {
1089         return atc_daio_unmute(atc, state, SPDIFIO);
1090 }
1091 
1092 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1093 {
1094         return atc_dao_get_status(atc, status, SPDIFOO);
1095 }
1096 
1097 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1098 {
1099         return atc_dao_set_status(atc, status, SPDIFOO);
1100 }
1101 
1102 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1103 {
1104         struct dao_desc da_dsc = {0};
1105         struct dao *dao;
1106         int err;
1107         struct ct_mixer *mixer = atc->mixer;
1108         struct rsc *rscs[2] = {NULL};
1109         unsigned int spos = 0;
1110 
1111         mutex_lock(&atc->atc_mutex);
1112         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1113         da_dsc.msr = state ? 1 : atc->msr;
1114         da_dsc.passthru = state ? 1 : 0;
1115         err = dao->ops->reinit(dao, &da_dsc);
1116         if (state) {
1117                 spos = IEC958_DEFAULT_CON;
1118         } else {
1119                 mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1120                                         &rscs[0], &rscs[1]);
1121                 dao->ops->set_left_input(dao, rscs[0]);
1122                 dao->ops->set_right_input(dao, rscs[1]);
1123                 /* Restore PLL to atc->rsr if needed. */
1124                 if (atc->pll_rate != atc->rsr)
1125                         err = atc_pll_init(atc, atc->rsr);
1126         }
1127         dao->ops->set_spos(dao, spos);
1128         dao->ops->commit_write(dao);
1129         mutex_unlock(&atc->atc_mutex);
1130 
1131         return err;
1132 }
1133 
1134 static int atc_release_resources(struct ct_atc *atc)
1135 {
1136         int i;
1137         struct daio_mgr *daio_mgr = NULL;
1138         struct dao *dao = NULL;
1139         struct dai *dai = NULL;
1140         struct daio *daio = NULL;
1141         struct sum_mgr *sum_mgr = NULL;
1142         struct src_mgr *src_mgr = NULL;
1143         struct srcimp_mgr *srcimp_mgr = NULL;
1144         struct srcimp *srcimp = NULL;
1145         struct ct_mixer *mixer = NULL;
1146 
1147         /* disconnect internal mixer objects */
1148         if (atc->mixer) {
1149                 mixer = atc->mixer;
1150                 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1151                 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1152                 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1153                 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1154                 mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1155                 mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1156         }
1157 
1158         if (atc->daios) {
1159                 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1160                 for (i = 0; i < atc->n_daio; i++) {
1161                         daio = atc->daios[i];
1162                         if (daio->type < LINEIM) {
1163                                 dao = container_of(daio, struct dao, daio);
1164                                 dao->ops->clear_left_input(dao);
1165                                 dao->ops->clear_right_input(dao);
1166                         } else {
1167                                 dai = container_of(daio, struct dai, daio);
1168                                 /* some thing to do for dai ... */
1169                         }
1170                         daio_mgr->put_daio(daio_mgr, daio);
1171                 }
1172                 kfree(atc->daios);
1173                 atc->daios = NULL;
1174         }
1175 
1176         if (atc->pcm) {
1177                 sum_mgr = atc->rsc_mgrs[SUM];
1178                 for (i = 0; i < atc->n_pcm; i++)
1179                         sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1180 
1181                 kfree(atc->pcm);
1182                 atc->pcm = NULL;
1183         }
1184 
1185         if (atc->srcs) {
1186                 src_mgr = atc->rsc_mgrs[SRC];
1187                 for (i = 0; i < atc->n_src; i++)
1188                         src_mgr->put_src(src_mgr, atc->srcs[i]);
1189 
1190                 kfree(atc->srcs);
1191                 atc->srcs = NULL;
1192         }
1193 
1194         if (atc->srcimps) {
1195                 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1196                 for (i = 0; i < atc->n_srcimp; i++) {
1197                         srcimp = atc->srcimps[i];
1198                         srcimp->ops->unmap(srcimp);
1199                         srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1200                 }
1201                 kfree(atc->srcimps);
1202                 atc->srcimps = NULL;
1203         }
1204 
1205         return 0;
1206 }
1207 
1208 static int ct_atc_destroy(struct ct_atc *atc)
1209 {
1210         int i = 0;
1211 
1212         if (!atc)
1213                 return 0;
1214 
1215         if (atc->timer) {
1216                 ct_timer_free(atc->timer);
1217                 atc->timer = NULL;
1218         }
1219 
1220         atc_release_resources(atc);
1221 
1222         /* Destroy internal mixer objects */
1223         if (atc->mixer)
1224                 ct_mixer_destroy(atc->mixer);
1225 
1226         for (i = 0; i < NUM_RSCTYP; i++) {
1227                 if (rsc_mgr_funcs[i].destroy && atc->rsc_mgrs[i])
1228                         rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1229 
1230         }
1231 
1232         if (atc->hw)
1233                 destroy_hw_obj((struct hw *)atc->hw);
1234 
1235         /* Destroy device virtual memory manager object */
1236         if (atc->vm) {
1237                 ct_vm_destroy(atc->vm);
1238                 atc->vm = NULL;
1239         }
1240 
1241         kfree(atc);
1242 
1243         return 0;
1244 }
1245 
1246 static int atc_dev_free(struct snd_device *dev)
1247 {
1248         struct ct_atc *atc = dev->device_data;
1249         return ct_atc_destroy(atc);
1250 }
1251 
1252 static int atc_identify_card(struct ct_atc *atc, unsigned int ssid)
1253 {
1254         const struct snd_pci_quirk *p;
1255         const struct snd_pci_quirk *list;
1256         u16 vendor_id, device_id;
1257 
1258         switch (atc->chip_type) {
1259         case ATC20K1:
1260                 atc->chip_name = "20K1";
1261                 list = subsys_20k1_list;
1262                 break;
1263         case ATC20K2:
1264                 atc->chip_name = "20K2";
1265                 list = subsys_20k2_list;
1266                 break;
1267         default:
1268                 return -ENOENT;
1269         }
1270         if (ssid) {
1271                 vendor_id = ssid >> 16;
1272                 device_id = ssid & 0xffff;
1273         } else {
1274                 vendor_id = atc->pci->subsystem_vendor;
1275                 device_id = atc->pci->subsystem_device;
1276         }
1277         p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
1278         if (p) {
1279                 if (p->value < 0) {
1280                         printk(KERN_ERR "ctxfi: "
1281                                "Device %04x:%04x is black-listed\n",
1282                                vendor_id, device_id);
1283                         return -ENOENT;
1284                 }
1285                 atc->model = p->value;
1286         } else {
1287                 if (atc->chip_type == ATC20K1)
1288                         atc->model = CT20K1_UNKNOWN;
1289                 else
1290                         atc->model = CT20K2_UNKNOWN;
1291         }
1292         atc->model_name = ct_subsys_name[atc->model];
1293         snd_printd("ctxfi: chip %s model %s (%04x:%04x) is found\n",
1294                    atc->chip_name, atc->model_name,
1295                    vendor_id, device_id);
1296         return 0;
1297 }
1298 
1299 int ct_atc_create_alsa_devs(struct ct_atc *atc)
1300 {
1301         enum CTALSADEVS i;
1302         int err;
1303 
1304         alsa_dev_funcs[MIXER].public_name = atc->chip_name;
1305 
1306         for (i = 0; i < NUM_CTALSADEVS; i++) {
1307                 if (!alsa_dev_funcs[i].create)
1308                         continue;
1309 
1310                 err = alsa_dev_funcs[i].create(atc, i,
1311                                 alsa_dev_funcs[i].public_name);
1312                 if (err) {
1313                         printk(KERN_ERR "ctxfi: "
1314                                "Creating alsa device %d failed!\n", i);
1315                         return err;
1316                 }
1317         }
1318 
1319         return 0;
1320 }
1321 
1322 static int atc_create_hw_devs(struct ct_atc *atc)
1323 {
1324         struct hw *hw;
1325         struct card_conf info = {0};
1326         int i, err;
1327 
1328         err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
1329         if (err) {
1330                 printk(KERN_ERR "Failed to create hw obj!!!\n");
1331                 return err;
1332         }
1333         atc->hw = hw;
1334 
1335         /* Initialize card hardware. */
1336         info.rsr = atc->rsr;
1337         info.msr = atc->msr;
1338         info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1339         err = hw->card_init(hw, &info);
1340         if (err < 0)
1341                 return err;
1342 
1343         for (i = 0; i < NUM_RSCTYP; i++) {
1344                 if (!rsc_mgr_funcs[i].create)
1345                         continue;
1346 
1347                 err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1348                 if (err) {
1349                         printk(KERN_ERR "ctxfi: "
1350                                "Failed to create rsc_mgr %d!!!\n", i);
1351                         return err;
1352                 }
1353         }
1354 
1355         return 0;
1356 }
1357 
1358 static int atc_get_resources(struct ct_atc *atc)
1359 {
1360         struct daio_desc da_desc = {0};
1361         struct daio_mgr *daio_mgr;
1362         struct src_desc src_dsc = {0};
1363         struct src_mgr *src_mgr;
1364         struct srcimp_desc srcimp_dsc = {0};
1365         struct srcimp_mgr *srcimp_mgr;
1366         struct sum_desc sum_dsc = {0};
1367         struct sum_mgr *sum_mgr;
1368         int err, i, num_srcs, num_daios;
1369 
1370         num_daios = ((atc->model == CTSB1270) ? 8 : 7);
1371         num_srcs = ((atc->model == CTSB1270) ? 6 : 4);
1372 
1373         atc->daios = kzalloc(sizeof(void *)*num_daios, GFP_KERNEL);
1374         if (!atc->daios)
1375                 return -ENOMEM;
1376 
1377         atc->srcs = kzalloc(sizeof(void *)*num_srcs, GFP_KERNEL);
1378         if (!atc->srcs)
1379                 return -ENOMEM;
1380 
1381         atc->srcimps = kzalloc(sizeof(void *)*num_srcs, GFP_KERNEL);
1382         if (!atc->srcimps)
1383                 return -ENOMEM;
1384 
1385         atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL);
1386         if (!atc->pcm)
1387                 return -ENOMEM;
1388 
1389         daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1390         da_desc.msr = atc->msr;
1391         for (i = 0, atc->n_daio = 0; i < num_daios; i++) {
1392                 da_desc.type = (atc->model != CTSB073X) ? i :
1393                              ((i == SPDIFIO) ? SPDIFI1 : i);
1394                 err = daio_mgr->get_daio(daio_mgr, &da_desc,
1395                                         (struct daio **)&atc->daios[i]);
1396                 if (err) {
1397                         printk(KERN_ERR "ctxfi: Failed to get DAIO "
1398                                         "resource %d!!!\n", i);
1399                         return err;
1400                 }
1401                 atc->n_daio++;
1402         }
1403 
1404         src_mgr = atc->rsc_mgrs[SRC];
1405         src_dsc.multi = 1;
1406         src_dsc.msr = atc->msr;
1407         src_dsc.mode = ARCRW;
1408         for (i = 0, atc->n_src = 0; i < num_srcs; i++) {
1409                 err = src_mgr->get_src(src_mgr, &src_dsc,
1410                                         (struct src **)&atc->srcs[i]);
1411                 if (err)
1412                         return err;
1413 
1414                 atc->n_src++;
1415         }
1416 
1417         srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1418         srcimp_dsc.msr = 8;
1419         for (i = 0, atc->n_srcimp = 0; i < num_srcs; i++) {
1420                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1421                                         (struct srcimp **)&atc->srcimps[i]);
1422                 if (err)
1423                         return err;
1424 
1425                 atc->n_srcimp++;
1426         }
1427 
1428         sum_mgr = atc->rsc_mgrs[SUM];
1429         sum_dsc.msr = atc->msr;
1430         for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1431                 err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1432                                         (struct sum **)&atc->pcm[i]);
1433                 if (err)
1434                         return err;
1435 
1436                 atc->n_pcm++;
1437         }
1438 
1439         return 0;
1440 }
1441 
1442 static void
1443 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1444                 struct src **srcs, struct srcimp **srcimps)
1445 {
1446         struct rsc *rscs[2] = {NULL};
1447         struct src *src;
1448         struct srcimp *srcimp;
1449         int i = 0;
1450 
1451         rscs[0] = &dai->daio.rscl;
1452         rscs[1] = &dai->daio.rscr;
1453         for (i = 0; i < 2; i++) {
1454                 src = srcs[i];
1455                 srcimp = srcimps[i];
1456                 srcimp->ops->map(srcimp, src, rscs[i]);
1457                 src_mgr->src_disable(src_mgr, src);
1458         }
1459 
1460         src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1461 
1462         src = srcs[0];
1463         src->ops->set_pm(src, 1);
1464         for (i = 0; i < 2; i++) {
1465                 src = srcs[i];
1466                 src->ops->set_state(src, SRC_STATE_RUN);
1467                 src->ops->commit_write(src);
1468                 src_mgr->src_enable_s(src_mgr, src);
1469         }
1470 
1471         dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1472         dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1473 
1474         dai->ops->set_enb_src(dai, 1);
1475         dai->ops->set_enb_srt(dai, 1);
1476         dai->ops->commit_write(dai);
1477 
1478         src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1479 }
1480 
1481 static void atc_connect_resources(struct ct_atc *atc)
1482 {
1483         struct dai *dai;
1484         struct dao *dao;
1485         struct src *src;
1486         struct sum *sum;
1487         struct ct_mixer *mixer;
1488         struct rsc *rscs[2] = {NULL};
1489         int i, j;
1490 
1491         mixer = atc->mixer;
1492 
1493         for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1494                 mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1495                 dao = container_of(atc->daios[j], struct dao, daio);
1496                 dao->ops->set_left_input(dao, rscs[0]);
1497                 dao->ops->set_right_input(dao, rscs[1]);
1498         }
1499 
1500         dai = container_of(atc->daios[LINEIM], struct dai, daio);
1501         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1502                         (struct src **)&atc->srcs[2],
1503                         (struct srcimp **)&atc->srcimps[2]);
1504         src = atc->srcs[2];
1505         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1506         src = atc->srcs[3];
1507         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1508 
1509         if (atc->model == CTSB1270) {
1510                 /* Titanium HD has a dedicated ADC for the Mic. */
1511                 dai = container_of(atc->daios[MIC], struct dai, daio);
1512                 atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1513                         (struct src **)&atc->srcs[4],
1514                         (struct srcimp **)&atc->srcimps[4]);
1515                 src = atc->srcs[4];
1516                 mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
1517                 src = atc->srcs[5];
1518                 mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
1519         }
1520 
1521         dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1522         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1523                         (struct src **)&atc->srcs[0],
1524                         (struct srcimp **)&atc->srcimps[0]);
1525 
1526         src = atc->srcs[0];
1527         mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1528         src = atc->srcs[1];
1529         mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1530 
1531         for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1532                 sum = atc->pcm[j];
1533                 mixer->set_input_left(mixer, i, &sum->rsc);
1534                 sum = atc->pcm[j+1];
1535                 mixer->set_input_right(mixer, i, &sum->rsc);
1536         }
1537 }
1538 
1539 #ifdef CONFIG_PM_SLEEP
1540 static int atc_suspend(struct ct_atc *atc)
1541 {
1542         int i;
1543         struct hw *hw = atc->hw;
1544 
1545         snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
1546 
1547         for (i = FRONT; i < NUM_PCMS; i++) {
1548                 if (!atc->pcms[i])
1549                         continue;
1550 
1551                 snd_pcm_suspend_all(atc->pcms[i]);
1552         }
1553 
1554         atc_release_resources(atc);
1555 
1556         hw->suspend(hw);
1557 
1558         return 0;
1559 }
1560 
1561 static int atc_hw_resume(struct ct_atc *atc)
1562 {
1563         struct hw *hw = atc->hw;
1564         struct card_conf info = {0};
1565 
1566         /* Re-initialize card hardware. */
1567         info.rsr = atc->rsr;
1568         info.msr = atc->msr;
1569         info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1570         return hw->resume(hw, &info);
1571 }
1572 
1573 static int atc_resources_resume(struct ct_atc *atc)
1574 {
1575         struct ct_mixer *mixer;
1576         int err = 0;
1577 
1578         /* Get resources */
1579         err = atc_get_resources(atc);
1580         if (err < 0) {
1581                 atc_release_resources(atc);
1582                 return err;
1583         }
1584 
1585         /* Build topology */
1586         atc_connect_resources(atc);
1587 
1588         mixer = atc->mixer;
1589         mixer->resume(mixer);
1590 
1591         return 0;
1592 }
1593 
1594 static int atc_resume(struct ct_atc *atc)
1595 {
1596         int err = 0;
1597 
1598         /* Do hardware resume. */
1599         err = atc_hw_resume(atc);
1600         if (err < 0) {
1601                 printk(KERN_ERR "ctxfi: pci_enable_device failed, "
1602                        "disabling device\n");
1603                 snd_card_disconnect(atc->card);
1604                 return err;
1605         }
1606 
1607         err = atc_resources_resume(atc);
1608         if (err < 0)
1609                 return err;
1610 
1611         snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
1612 
1613         return 0;
1614 }
1615 #endif
1616 
1617 static struct ct_atc atc_preset = {
1618         .map_audio_buffer = ct_map_audio_buffer,
1619         .unmap_audio_buffer = ct_unmap_audio_buffer,
1620         .pcm_playback_prepare = atc_pcm_playback_prepare,
1621         .pcm_release_resources = atc_pcm_release_resources,
1622         .pcm_playback_start = atc_pcm_playback_start,
1623         .pcm_playback_stop = atc_pcm_stop,
1624         .pcm_playback_position = atc_pcm_playback_position,
1625         .pcm_capture_prepare = atc_pcm_capture_prepare,
1626         .pcm_capture_start = atc_pcm_capture_start,
1627         .pcm_capture_stop = atc_pcm_stop,
1628         .pcm_capture_position = atc_pcm_capture_position,
1629         .spdif_passthru_playback_prepare = spdif_passthru_playback_prepare,
1630         .get_ptp_phys = atc_get_ptp_phys,
1631         .select_line_in = atc_select_line_in,
1632         .select_mic_in = atc_select_mic_in,
1633         .select_digit_io = atc_select_digit_io,
1634         .line_front_unmute = atc_line_front_unmute,
1635         .line_surround_unmute = atc_line_surround_unmute,
1636         .line_clfe_unmute = atc_line_clfe_unmute,
1637         .line_rear_unmute = atc_line_rear_unmute,
1638         .line_in_unmute = atc_line_in_unmute,
1639         .mic_unmute = atc_mic_unmute,
1640         .spdif_out_unmute = atc_spdif_out_unmute,
1641         .spdif_in_unmute = atc_spdif_in_unmute,
1642         .spdif_out_get_status = atc_spdif_out_get_status,
1643         .spdif_out_set_status = atc_spdif_out_set_status,
1644         .spdif_out_passthru = atc_spdif_out_passthru,
1645         .capabilities = atc_capabilities,
1646         .output_switch_get = atc_output_switch_get,
1647         .output_switch_put = atc_output_switch_put,
1648         .mic_source_switch_get = atc_mic_source_switch_get,
1649         .mic_source_switch_put = atc_mic_source_switch_put,
1650 #ifdef CONFIG_PM_SLEEP
1651         .suspend = atc_suspend,
1652         .resume = atc_resume,
1653 #endif
1654 };
1655 
1656 /**
1657  *  ct_atc_create - create and initialize a hardware manager
1658  *  @card: corresponding alsa card object
1659  *  @pci: corresponding kernel pci device object
1660  *  @ratc: return created object address in it
1661  *
1662  *  Creates and initializes a hardware manager.
1663  *
1664  *  Creates kmallocated ct_atc structure. Initializes hardware.
1665  *  Returns 0 if succeeds, or negative error code if fails.
1666  */
1667 
1668 int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1669                   unsigned int rsr, unsigned int msr,
1670                   int chip_type, unsigned int ssid,
1671                   struct ct_atc **ratc)
1672 {
1673         struct ct_atc *atc;
1674         static struct snd_device_ops ops = {
1675                 .dev_free = atc_dev_free,
1676         };
1677         int err;
1678 
1679         *ratc = NULL;
1680 
1681         atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1682         if (!atc)
1683                 return -ENOMEM;
1684 
1685         /* Set operations */
1686         *atc = atc_preset;
1687 
1688         atc->card = card;
1689         atc->pci = pci;
1690         atc->rsr = rsr;
1691         atc->msr = msr;
1692         atc->chip_type = chip_type;
1693 
1694         mutex_init(&atc->atc_mutex);
1695 
1696         /* Find card model */
1697         err = atc_identify_card(atc, ssid);
1698         if (err < 0) {
1699                 printk(KERN_ERR "ctatc: Card not recognised\n");
1700                 goto error1;
1701         }
1702 
1703         /* Set up device virtual memory management object */
1704         err = ct_vm_create(&atc->vm, pci);
1705         if (err < 0)
1706                 goto error1;
1707 
1708         /* Create all atc hw devices */
1709         err = atc_create_hw_devs(atc);
1710         if (err < 0)
1711                 goto error1;
1712 
1713         err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1714         if (err) {
1715                 printk(KERN_ERR "ctxfi: Failed to create mixer obj!!!\n");
1716                 goto error1;
1717         }
1718 
1719         /* Get resources */
1720         err = atc_get_resources(atc);
1721         if (err < 0)
1722                 goto error1;
1723 
1724         /* Build topology */
1725         atc_connect_resources(atc);
1726 
1727         atc->timer = ct_timer_new(atc);
1728         if (!atc->timer) {
1729                 err = -ENOMEM;
1730                 goto error1;
1731         }
1732 
1733         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1734         if (err < 0)
1735                 goto error1;
1736 
1737         snd_card_set_dev(card, &pci->dev);
1738 
1739         *ratc = atc;
1740         return 0;
1741 
1742 error1:
1743         ct_atc_destroy(atc);
1744         printk(KERN_ERR "ctxfi: Something wrong!!!\n");
1745         return err;
1746 }
1747 

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