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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)(struct hw *, void **);
110 typedef int (*destroy_t)(void *);
111 
112 static struct {
113         int (*create)(struct hw *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                                    struct snd_card *card)
176 {
177         switch (snd_format) {
178         case SNDRV_PCM_FORMAT_U8:
179                 return SRC_SF_U8;
180         case SNDRV_PCM_FORMAT_S16_LE:
181                 return SRC_SF_S16;
182         case SNDRV_PCM_FORMAT_S24_3LE:
183                 return SRC_SF_S24;
184         case SNDRV_PCM_FORMAT_S32_LE:
185                 return SRC_SF_S32;
186         case SNDRV_PCM_FORMAT_FLOAT_LE:
187                 return SRC_SF_F32;
188         default:
189                 dev_err(card->dev, "not recognized snd format is %d\n",
190                         snd_format);
191                 return SRC_SF_S16;
192         }
193 }
194 
195 static unsigned int
196 atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
197 {
198         unsigned int pitch;
199         int b;
200 
201         /* get pitch and convert to fixed-point 8.24 format. */
202         pitch = (input_rate / output_rate) << 24;
203         input_rate %= output_rate;
204         input_rate /= 100;
205         output_rate /= 100;
206         for (b = 31; ((b >= 0) && !(input_rate >> b)); )
207                 b--;
208 
209         if (b >= 0) {
210                 input_rate <<= (31 - b);
211                 input_rate /= output_rate;
212                 b = 24 - (31 - b);
213                 if (b >= 0)
214                         input_rate <<= b;
215                 else
216                         input_rate >>= -b;
217 
218                 pitch |= input_rate;
219         }
220 
221         return pitch;
222 }
223 
224 static int select_rom(unsigned int pitch)
225 {
226         if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
227                 /* 0.26 <= pitch <= 1.72 */
228                 return 1;
229         } else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
230                 /* pitch == 1.8375 */
231                 return 2;
232         } else if (pitch == 0x02000000) {
233                 /* pitch == 2 */
234                 return 3;
235         } else if (pitch <= 0x08000000) {
236                 /* 0 <= pitch <= 8 */
237                 return 0;
238         } else {
239                 return -ENOENT;
240         }
241 }
242 
243 static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
244 {
245         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
246         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
247         struct src_desc desc = {0};
248         struct amixer_desc mix_dsc = {0};
249         struct src *src;
250         struct amixer *amixer;
251         int err;
252         int n_amixer = apcm->substream->runtime->channels, i = 0;
253         int device = apcm->substream->pcm->device;
254         unsigned int pitch;
255 
256         /* first release old resources */
257         atc_pcm_release_resources(atc, apcm);
258 
259         /* Get SRC resource */
260         desc.multi = apcm->substream->runtime->channels;
261         desc.msr = atc->msr;
262         desc.mode = MEMRD;
263         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
264         if (err)
265                 goto error1;
266 
267         pitch = atc_get_pitch(apcm->substream->runtime->rate,
268                                                 (atc->rsr * atc->msr));
269         src = apcm->src;
270         src->ops->set_pitch(src, pitch);
271         src->ops->set_rom(src, select_rom(pitch));
272         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
273                                              atc->card));
274         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
275 
276         /* Get AMIXER resource */
277         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
278         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
279         if (!apcm->amixers) {
280                 err = -ENOMEM;
281                 goto error1;
282         }
283         mix_dsc.msr = atc->msr;
284         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
285                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
286                                         (struct amixer **)&apcm->amixers[i]);
287                 if (err)
288                         goto error1;
289 
290                 apcm->n_amixer++;
291         }
292 
293         /* Set up device virtual mem map */
294         err = ct_map_audio_buffer(atc, apcm);
295         if (err < 0)
296                 goto error1;
297 
298         /* Connect resources */
299         src = apcm->src;
300         for (i = 0; i < n_amixer; i++) {
301                 amixer = apcm->amixers[i];
302                 mutex_lock(&atc->atc_mutex);
303                 amixer->ops->setup(amixer, &src->rsc,
304                                         INIT_VOL, atc->pcm[i+device*2]);
305                 mutex_unlock(&atc->atc_mutex);
306                 src = src->ops->next_interleave(src);
307                 if (!src)
308                         src = apcm->src;
309         }
310 
311         ct_timer_prepare(apcm->timer);
312 
313         return 0;
314 
315 error1:
316         atc_pcm_release_resources(atc, apcm);
317         return err;
318 }
319 
320 static int
321 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
322 {
323         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
324         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
325         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
326         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
327         struct srcimp *srcimp;
328         int i;
329 
330         if (apcm->srcimps) {
331                 for (i = 0; i < apcm->n_srcimp; i++) {
332                         srcimp = apcm->srcimps[i];
333                         srcimp->ops->unmap(srcimp);
334                         srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
335                         apcm->srcimps[i] = NULL;
336                 }
337                 kfree(apcm->srcimps);
338                 apcm->srcimps = NULL;
339         }
340 
341         if (apcm->srccs) {
342                 for (i = 0; i < apcm->n_srcc; i++) {
343                         src_mgr->put_src(src_mgr, apcm->srccs[i]);
344                         apcm->srccs[i] = NULL;
345                 }
346                 kfree(apcm->srccs);
347                 apcm->srccs = NULL;
348         }
349 
350         if (apcm->amixers) {
351                 for (i = 0; i < apcm->n_amixer; i++) {
352                         amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
353                         apcm->amixers[i] = NULL;
354                 }
355                 kfree(apcm->amixers);
356                 apcm->amixers = NULL;
357         }
358 
359         if (apcm->mono) {
360                 sum_mgr->put_sum(sum_mgr, apcm->mono);
361                 apcm->mono = NULL;
362         }
363 
364         if (apcm->src) {
365                 src_mgr->put_src(src_mgr, apcm->src);
366                 apcm->src = NULL;
367         }
368 
369         if (apcm->vm_block) {
370                 /* Undo device virtual mem map */
371                 ct_unmap_audio_buffer(atc, apcm);
372                 apcm->vm_block = NULL;
373         }
374 
375         return 0;
376 }
377 
378 static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
379 {
380         unsigned int max_cisz;
381         struct src *src = apcm->src;
382 
383         if (apcm->started)
384                 return 0;
385         apcm->started = 1;
386 
387         max_cisz = src->multi * src->rsc.msr;
388         max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
389 
390         src->ops->set_sa(src, apcm->vm_block->addr);
391         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
392         src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
393         src->ops->set_cisz(src, max_cisz);
394 
395         src->ops->set_bm(src, 1);
396         src->ops->set_state(src, SRC_STATE_INIT);
397         src->ops->commit_write(src);
398 
399         ct_timer_start(apcm->timer);
400         return 0;
401 }
402 
403 static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
404 {
405         struct src *src;
406         int i;
407 
408         ct_timer_stop(apcm->timer);
409 
410         src = apcm->src;
411         src->ops->set_bm(src, 0);
412         src->ops->set_state(src, SRC_STATE_OFF);
413         src->ops->commit_write(src);
414 
415         if (apcm->srccs) {
416                 for (i = 0; i < apcm->n_srcc; i++) {
417                         src = apcm->srccs[i];
418                         src->ops->set_bm(src, 0);
419                         src->ops->set_state(src, SRC_STATE_OFF);
420                         src->ops->commit_write(src);
421                 }
422         }
423 
424         apcm->started = 0;
425 
426         return 0;
427 }
428 
429 static int
430 atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
431 {
432         struct src *src = apcm->src;
433         u32 size, max_cisz;
434         int position;
435 
436         if (!src)
437                 return 0;
438         position = src->ops->get_ca(src);
439 
440         if (position < apcm->vm_block->addr) {
441                 dev_dbg(atc->card->dev,
442                         "bad ca - ca=0x%08x, vba=0x%08x, vbs=0x%08x\n",
443                         position, apcm->vm_block->addr, apcm->vm_block->size);
444                 position = apcm->vm_block->addr;
445         }
446 
447         size = apcm->vm_block->size;
448         max_cisz = src->multi * src->rsc.msr;
449         max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
450 
451         return (position + size - max_cisz - apcm->vm_block->addr) % size;
452 }
453 
454 struct src_node_conf_t {
455         unsigned int pitch;
456         unsigned int msr:8;
457         unsigned int mix_msr:8;
458         unsigned int imp_msr:8;
459         unsigned int vo:1;
460 };
461 
462 static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
463                                 struct src_node_conf_t *conf, int *n_srcc)
464 {
465         unsigned int pitch;
466 
467         /* get pitch and convert to fixed-point 8.24 format. */
468         pitch = atc_get_pitch((atc->rsr * atc->msr),
469                                 apcm->substream->runtime->rate);
470         *n_srcc = 0;
471 
472         if (1 == atc->msr) { /* FIXME: do we really need SRC here if pitch==1 */
473                 *n_srcc = apcm->substream->runtime->channels;
474                 conf[0].pitch = pitch;
475                 conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
476                 conf[0].vo = 1;
477         } else if (2 <= atc->msr) {
478                 if (0x8000000 < pitch) {
479                         /* Need two-stage SRCs, SRCIMPs and
480                          * AMIXERs for converting format */
481                         conf[0].pitch = (atc->msr << 24);
482                         conf[0].msr = conf[0].mix_msr = 1;
483                         conf[0].imp_msr = atc->msr;
484                         conf[0].vo = 0;
485                         conf[1].pitch = atc_get_pitch(atc->rsr,
486                                         apcm->substream->runtime->rate);
487                         conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
488                         conf[1].vo = 1;
489                         *n_srcc = apcm->substream->runtime->channels * 2;
490                 } else if (0x1000000 < pitch) {
491                         /* Need one-stage SRCs, SRCIMPs and
492                          * AMIXERs for converting format */
493                         conf[0].pitch = pitch;
494                         conf[0].msr = conf[0].mix_msr
495                                     = conf[0].imp_msr = atc->msr;
496                         conf[0].vo = 1;
497                         *n_srcc = apcm->substream->runtime->channels;
498                 }
499         }
500 }
501 
502 static int
503 atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
504 {
505         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
506         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
507         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
508         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
509         struct src_desc src_dsc = {0};
510         struct src *src;
511         struct srcimp_desc srcimp_dsc = {0};
512         struct srcimp *srcimp;
513         struct amixer_desc mix_dsc = {0};
514         struct sum_desc sum_dsc = {0};
515         unsigned int pitch;
516         int multi, err, i;
517         int n_srcimp, n_amixer, n_srcc, n_sum;
518         struct src_node_conf_t src_node_conf[2] = {{0} };
519 
520         /* first release old resources */
521         atc_pcm_release_resources(atc, apcm);
522 
523         /* The numbers of converting SRCs and SRCIMPs should be determined
524          * by pitch value. */
525 
526         multi = apcm->substream->runtime->channels;
527 
528         /* get pitch and convert to fixed-point 8.24 format. */
529         pitch = atc_get_pitch((atc->rsr * atc->msr),
530                                 apcm->substream->runtime->rate);
531 
532         setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
533         n_sum = (1 == multi) ? 1 : 0;
534         n_amixer = n_sum * 2 + n_srcc;
535         n_srcimp = n_srcc;
536         if ((multi > 1) && (0x8000000 >= pitch)) {
537                 /* Need extra AMIXERs and SRCIMPs for special treatment
538                  * of interleaved recording of conjugate channels */
539                 n_amixer += multi * atc->msr;
540                 n_srcimp += multi * atc->msr;
541         } else {
542                 n_srcimp += multi;
543         }
544 
545         if (n_srcc) {
546                 apcm->srccs = kzalloc(sizeof(void *)*n_srcc, GFP_KERNEL);
547                 if (!apcm->srccs)
548                         return -ENOMEM;
549         }
550         if (n_amixer) {
551                 apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
552                 if (!apcm->amixers) {
553                         err = -ENOMEM;
554                         goto error1;
555                 }
556         }
557         apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL);
558         if (!apcm->srcimps) {
559                 err = -ENOMEM;
560                 goto error1;
561         }
562 
563         /* Allocate SRCs for sample rate conversion if needed */
564         src_dsc.multi = 1;
565         src_dsc.mode = ARCRW;
566         for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
567                 src_dsc.msr = src_node_conf[i/multi].msr;
568                 err = src_mgr->get_src(src_mgr, &src_dsc,
569                                         (struct src **)&apcm->srccs[i]);
570                 if (err)
571                         goto error1;
572 
573                 src = apcm->srccs[i];
574                 pitch = src_node_conf[i/multi].pitch;
575                 src->ops->set_pitch(src, pitch);
576                 src->ops->set_rom(src, select_rom(pitch));
577                 src->ops->set_vo(src, src_node_conf[i/multi].vo);
578 
579                 apcm->n_srcc++;
580         }
581 
582         /* Allocate AMIXERs for routing SRCs of conversion if needed */
583         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
584                 if (i < (n_sum*2))
585                         mix_dsc.msr = atc->msr;
586                 else if (i < (n_sum*2+n_srcc))
587                         mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
588                 else
589                         mix_dsc.msr = 1;
590 
591                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
592                                         (struct amixer **)&apcm->amixers[i]);
593                 if (err)
594                         goto error1;
595 
596                 apcm->n_amixer++;
597         }
598 
599         /* Allocate a SUM resource to mix all input channels together */
600         sum_dsc.msr = atc->msr;
601         err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
602         if (err)
603                 goto error1;
604 
605         pitch = atc_get_pitch((atc->rsr * atc->msr),
606                                 apcm->substream->runtime->rate);
607         /* Allocate SRCIMP resources */
608         for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
609                 if (i < (n_srcc))
610                         srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
611                 else if (1 == multi)
612                         srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
613                 else
614                         srcimp_dsc.msr = 1;
615 
616                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
617                 if (err)
618                         goto error1;
619 
620                 apcm->srcimps[i] = srcimp;
621                 apcm->n_srcimp++;
622         }
623 
624         /* Allocate a SRC for writing data to host memory */
625         src_dsc.multi = apcm->substream->runtime->channels;
626         src_dsc.msr = 1;
627         src_dsc.mode = MEMWR;
628         err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
629         if (err)
630                 goto error1;
631 
632         src = apcm->src;
633         src->ops->set_pitch(src, pitch);
634 
635         /* Set up device virtual mem map */
636         err = ct_map_audio_buffer(atc, apcm);
637         if (err < 0)
638                 goto error1;
639 
640         return 0;
641 
642 error1:
643         atc_pcm_release_resources(atc, apcm);
644         return err;
645 }
646 
647 static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
648 {
649         struct src *src;
650         struct amixer *amixer;
651         struct srcimp *srcimp;
652         struct ct_mixer *mixer = atc->mixer;
653         struct sum *mono;
654         struct rsc *out_ports[8] = {NULL};
655         int err, i, j, n_sum, multi;
656         unsigned int pitch;
657         int mix_base = 0, imp_base = 0;
658 
659         atc_pcm_release_resources(atc, apcm);
660 
661         /* Get needed resources. */
662         err = atc_pcm_capture_get_resources(atc, apcm);
663         if (err)
664                 return err;
665 
666         /* Connect resources */
667         mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
668                                 &out_ports[0], &out_ports[1]);
669 
670         multi = apcm->substream->runtime->channels;
671         if (1 == multi) {
672                 mono = apcm->mono;
673                 for (i = 0; i < 2; i++) {
674                         amixer = apcm->amixers[i];
675                         amixer->ops->setup(amixer, out_ports[i],
676                                                 MONO_SUM_SCALE, mono);
677                 }
678                 out_ports[0] = &mono->rsc;
679                 n_sum = 1;
680                 mix_base = n_sum * 2;
681         }
682 
683         for (i = 0; i < apcm->n_srcc; i++) {
684                 src = apcm->srccs[i];
685                 srcimp = apcm->srcimps[imp_base+i];
686                 amixer = apcm->amixers[mix_base+i];
687                 srcimp->ops->map(srcimp, src, out_ports[i%multi]);
688                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
689                 out_ports[i%multi] = &amixer->rsc;
690         }
691 
692         pitch = atc_get_pitch((atc->rsr * atc->msr),
693                                 apcm->substream->runtime->rate);
694 
695         if ((multi > 1) && (pitch <= 0x8000000)) {
696                 /* Special connection for interleaved
697                  * recording with conjugate channels */
698                 for (i = 0; i < multi; i++) {
699                         out_ports[i]->ops->master(out_ports[i]);
700                         for (j = 0; j < atc->msr; j++) {
701                                 amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
702                                 amixer->ops->set_input(amixer, out_ports[i]);
703                                 amixer->ops->set_scale(amixer, INIT_VOL);
704                                 amixer->ops->set_sum(amixer, NULL);
705                                 amixer->ops->commit_raw_write(amixer);
706                                 out_ports[i]->ops->next_conj(out_ports[i]);
707 
708                                 srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
709                                 srcimp->ops->map(srcimp, apcm->src,
710                                                         &amixer->rsc);
711                         }
712                 }
713         } else {
714                 for (i = 0; i < multi; i++) {
715                         srcimp = apcm->srcimps[apcm->n_srcc+i];
716                         srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
717                 }
718         }
719 
720         ct_timer_prepare(apcm->timer);
721 
722         return 0;
723 }
724 
725 static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
726 {
727         struct src *src;
728         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
729         int i, multi;
730 
731         if (apcm->started)
732                 return 0;
733 
734         apcm->started = 1;
735         multi = apcm->substream->runtime->channels;
736         /* Set up converting SRCs */
737         for (i = 0; i < apcm->n_srcc; i++) {
738                 src = apcm->srccs[i];
739                 src->ops->set_pm(src, ((i%multi) != (multi-1)));
740                 src_mgr->src_disable(src_mgr, src);
741         }
742 
743         /*  Set up recording SRC */
744         src = apcm->src;
745         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
746                                              atc->card));
747         src->ops->set_sa(src, apcm->vm_block->addr);
748         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
749         src->ops->set_ca(src, apcm->vm_block->addr);
750         src_mgr->src_disable(src_mgr, src);
751 
752         /* Disable relevant SRCs firstly */
753         src_mgr->commit_write(src_mgr);
754 
755         /* Enable SRCs respectively */
756         for (i = 0; i < apcm->n_srcc; i++) {
757                 src = apcm->srccs[i];
758                 src->ops->set_state(src, SRC_STATE_RUN);
759                 src->ops->commit_write(src);
760                 src_mgr->src_enable_s(src_mgr, src);
761         }
762         src = apcm->src;
763         src->ops->set_bm(src, 1);
764         src->ops->set_state(src, SRC_STATE_RUN);
765         src->ops->commit_write(src);
766         src_mgr->src_enable_s(src_mgr, src);
767 
768         /* Enable relevant SRCs synchronously */
769         src_mgr->commit_write(src_mgr);
770 
771         ct_timer_start(apcm->timer);
772         return 0;
773 }
774 
775 static int
776 atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
777 {
778         struct src *src = apcm->src;
779 
780         if (!src)
781                 return 0;
782         return src->ops->get_ca(src) - apcm->vm_block->addr;
783 }
784 
785 static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
786                                                  struct ct_atc_pcm *apcm)
787 {
788         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
789         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
790         struct src_desc desc = {0};
791         struct amixer_desc mix_dsc = {0};
792         struct src *src;
793         int err;
794         int n_amixer = apcm->substream->runtime->channels, i;
795         unsigned int pitch, rsr = atc->pll_rate;
796 
797         /* first release old resources */
798         atc_pcm_release_resources(atc, apcm);
799 
800         /* Get SRC resource */
801         desc.multi = apcm->substream->runtime->channels;
802         desc.msr = 1;
803         while (apcm->substream->runtime->rate > (rsr * desc.msr))
804                 desc.msr <<= 1;
805 
806         desc.mode = MEMRD;
807         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
808         if (err)
809                 goto error1;
810 
811         pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
812         src = apcm->src;
813         src->ops->set_pitch(src, pitch);
814         src->ops->set_rom(src, select_rom(pitch));
815         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
816                                              atc->card));
817         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
818         src->ops->set_bp(src, 1);
819 
820         /* Get AMIXER resource */
821         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
822         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
823         if (!apcm->amixers) {
824                 err = -ENOMEM;
825                 goto error1;
826         }
827         mix_dsc.msr = desc.msr;
828         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
829                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
830                                         (struct amixer **)&apcm->amixers[i]);
831                 if (err)
832                         goto error1;
833 
834                 apcm->n_amixer++;
835         }
836 
837         /* Set up device virtual mem map */
838         err = ct_map_audio_buffer(atc, apcm);
839         if (err < 0)
840                 goto error1;
841 
842         return 0;
843 
844 error1:
845         atc_pcm_release_resources(atc, apcm);
846         return err;
847 }
848 
849 static int atc_pll_init(struct ct_atc *atc, int rate)
850 {
851         struct hw *hw = atc->hw;
852         int err;
853         err = hw->pll_init(hw, rate);
854         atc->pll_rate = err ? 0 : rate;
855         return err;
856 }
857 
858 static int
859 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
860 {
861         struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
862         unsigned int rate = apcm->substream->runtime->rate;
863         unsigned int status;
864         int err = 0;
865         unsigned char iec958_con_fs;
866 
867         switch (rate) {
868         case 48000:
869                 iec958_con_fs = IEC958_AES3_CON_FS_48000;
870                 break;
871         case 44100:
872                 iec958_con_fs = IEC958_AES3_CON_FS_44100;
873                 break;
874         case 32000:
875                 iec958_con_fs = IEC958_AES3_CON_FS_32000;
876                 break;
877         default:
878                 return -ENOENT;
879         }
880 
881         mutex_lock(&atc->atc_mutex);
882         dao->ops->get_spos(dao, &status);
883         if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
884                 status &= ~(IEC958_AES3_CON_FS << 24);
885                 status |= (iec958_con_fs << 24);
886                 dao->ops->set_spos(dao, status);
887                 dao->ops->commit_write(dao);
888         }
889         if ((rate != atc->pll_rate) && (32000 != rate))
890                 err = atc_pll_init(atc, rate);
891         mutex_unlock(&atc->atc_mutex);
892 
893         return err;
894 }
895 
896 static int
897 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
898 {
899         struct src *src;
900         struct amixer *amixer;
901         struct dao *dao;
902         int err;
903         int i;
904 
905         atc_pcm_release_resources(atc, apcm);
906 
907         /* Configure SPDIFOO and PLL to passthrough mode;
908          * determine pll_rate. */
909         err = spdif_passthru_playback_setup(atc, apcm);
910         if (err)
911                 return err;
912 
913         /* Get needed resources. */
914         err = spdif_passthru_playback_get_resources(atc, apcm);
915         if (err)
916                 return err;
917 
918         /* Connect resources */
919         src = apcm->src;
920         for (i = 0; i < apcm->n_amixer; i++) {
921                 amixer = apcm->amixers[i];
922                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
923                 src = src->ops->next_interleave(src);
924                 if (!src)
925                         src = apcm->src;
926         }
927         /* Connect to SPDIFOO */
928         mutex_lock(&atc->atc_mutex);
929         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
930         amixer = apcm->amixers[0];
931         dao->ops->set_left_input(dao, &amixer->rsc);
932         amixer = apcm->amixers[1];
933         dao->ops->set_right_input(dao, &amixer->rsc);
934         mutex_unlock(&atc->atc_mutex);
935 
936         ct_timer_prepare(apcm->timer);
937 
938         return 0;
939 }
940 
941 static int atc_select_line_in(struct ct_atc *atc)
942 {
943         struct hw *hw = atc->hw;
944         struct ct_mixer *mixer = atc->mixer;
945         struct src *src;
946 
947         if (hw->is_adc_source_selected(hw, ADC_LINEIN))
948                 return 0;
949 
950         mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
951         mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
952 
953         hw->select_adc_source(hw, ADC_LINEIN);
954 
955         src = atc->srcs[2];
956         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
957         src = atc->srcs[3];
958         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
959 
960         return 0;
961 }
962 
963 static int atc_select_mic_in(struct ct_atc *atc)
964 {
965         struct hw *hw = atc->hw;
966         struct ct_mixer *mixer = atc->mixer;
967         struct src *src;
968 
969         if (hw->is_adc_source_selected(hw, ADC_MICIN))
970                 return 0;
971 
972         mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
973         mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
974 
975         hw->select_adc_source(hw, ADC_MICIN);
976 
977         src = atc->srcs[2];
978         mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
979         src = atc->srcs[3];
980         mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
981 
982         return 0;
983 }
984 
985 static struct capabilities atc_capabilities(struct ct_atc *atc)
986 {
987         struct hw *hw = atc->hw;
988 
989         return hw->capabilities(hw);
990 }
991 
992 static int atc_output_switch_get(struct ct_atc *atc)
993 {
994         struct hw *hw = atc->hw;
995 
996         return hw->output_switch_get(hw);
997 }
998 
999 static int atc_output_switch_put(struct ct_atc *atc, int position)
1000 {
1001         struct hw *hw = atc->hw;
1002 
1003         return hw->output_switch_put(hw, position);
1004 }
1005 
1006 static int atc_mic_source_switch_get(struct ct_atc *atc)
1007 {
1008         struct hw *hw = atc->hw;
1009 
1010         return hw->mic_source_switch_get(hw);
1011 }
1012 
1013 static int atc_mic_source_switch_put(struct ct_atc *atc, int position)
1014 {
1015         struct hw *hw = atc->hw;
1016 
1017         return hw->mic_source_switch_put(hw, position);
1018 }
1019 
1020 static int atc_select_digit_io(struct ct_atc *atc)
1021 {
1022         struct hw *hw = atc->hw;
1023 
1024         if (hw->is_adc_source_selected(hw, ADC_NONE))
1025                 return 0;
1026 
1027         hw->select_adc_source(hw, ADC_NONE);
1028 
1029         return 0;
1030 }
1031 
1032 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
1033 {
1034         struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
1035 
1036         if (state)
1037                 daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
1038         else
1039                 daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1040 
1041         daio_mgr->commit_write(daio_mgr);
1042 
1043         return 0;
1044 }
1045 
1046 static int
1047 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1048 {
1049         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1050         return dao->ops->get_spos(dao, status);
1051 }
1052 
1053 static int
1054 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1055 {
1056         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1057 
1058         dao->ops->set_spos(dao, status);
1059         dao->ops->commit_write(dao);
1060         return 0;
1061 }
1062 
1063 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1064 {
1065         return atc_daio_unmute(atc, state, LINEO1);
1066 }
1067 
1068 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1069 {
1070         return atc_daio_unmute(atc, state, LINEO2);
1071 }
1072 
1073 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1074 {
1075         return atc_daio_unmute(atc, state, LINEO3);
1076 }
1077 
1078 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1079 {
1080         return atc_daio_unmute(atc, state, LINEO4);
1081 }
1082 
1083 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1084 {
1085         return atc_daio_unmute(atc, state, LINEIM);
1086 }
1087 
1088 static int atc_mic_unmute(struct ct_atc *atc, unsigned char state)
1089 {
1090         return atc_daio_unmute(atc, state, MIC);
1091 }
1092 
1093 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1094 {
1095         return atc_daio_unmute(atc, state, SPDIFOO);
1096 }
1097 
1098 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1099 {
1100         return atc_daio_unmute(atc, state, SPDIFIO);
1101 }
1102 
1103 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1104 {
1105         return atc_dao_get_status(atc, status, SPDIFOO);
1106 }
1107 
1108 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1109 {
1110         return atc_dao_set_status(atc, status, SPDIFOO);
1111 }
1112 
1113 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1114 {
1115         struct dao_desc da_dsc = {0};
1116         struct dao *dao;
1117         int err;
1118         struct ct_mixer *mixer = atc->mixer;
1119         struct rsc *rscs[2] = {NULL};
1120         unsigned int spos = 0;
1121 
1122         mutex_lock(&atc->atc_mutex);
1123         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1124         da_dsc.msr = state ? 1 : atc->msr;
1125         da_dsc.passthru = state ? 1 : 0;
1126         err = dao->ops->reinit(dao, &da_dsc);
1127         if (state) {
1128                 spos = IEC958_DEFAULT_CON;
1129         } else {
1130                 mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1131                                         &rscs[0], &rscs[1]);
1132                 dao->ops->set_left_input(dao, rscs[0]);
1133                 dao->ops->set_right_input(dao, rscs[1]);
1134                 /* Restore PLL to atc->rsr if needed. */
1135                 if (atc->pll_rate != atc->rsr)
1136                         err = atc_pll_init(atc, atc->rsr);
1137         }
1138         dao->ops->set_spos(dao, spos);
1139         dao->ops->commit_write(dao);
1140         mutex_unlock(&atc->atc_mutex);
1141 
1142         return err;
1143 }
1144 
1145 static int atc_release_resources(struct ct_atc *atc)
1146 {
1147         int i;
1148         struct daio_mgr *daio_mgr = NULL;
1149         struct dao *dao = NULL;
1150         struct daio *daio = NULL;
1151         struct sum_mgr *sum_mgr = NULL;
1152         struct src_mgr *src_mgr = NULL;
1153         struct srcimp_mgr *srcimp_mgr = NULL;
1154         struct srcimp *srcimp = NULL;
1155         struct ct_mixer *mixer = NULL;
1156 
1157         /* disconnect internal mixer objects */
1158         if (atc->mixer) {
1159                 mixer = atc->mixer;
1160                 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1161                 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1162                 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1163                 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1164                 mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1165                 mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1166         }
1167 
1168         if (atc->daios) {
1169                 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1170                 for (i = 0; i < atc->n_daio; i++) {
1171                         daio = atc->daios[i];
1172                         if (daio->type < LINEIM) {
1173                                 dao = container_of(daio, struct dao, daio);
1174                                 dao->ops->clear_left_input(dao);
1175                                 dao->ops->clear_right_input(dao);
1176                         }
1177                         daio_mgr->put_daio(daio_mgr, daio);
1178                 }
1179                 kfree(atc->daios);
1180                 atc->daios = NULL;
1181         }
1182 
1183         if (atc->pcm) {
1184                 sum_mgr = atc->rsc_mgrs[SUM];
1185                 for (i = 0; i < atc->n_pcm; i++)
1186                         sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1187 
1188                 kfree(atc->pcm);
1189                 atc->pcm = NULL;
1190         }
1191 
1192         if (atc->srcs) {
1193                 src_mgr = atc->rsc_mgrs[SRC];
1194                 for (i = 0; i < atc->n_src; i++)
1195                         src_mgr->put_src(src_mgr, atc->srcs[i]);
1196 
1197                 kfree(atc->srcs);
1198                 atc->srcs = NULL;
1199         }
1200 
1201         if (atc->srcimps) {
1202                 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1203                 for (i = 0; i < atc->n_srcimp; i++) {
1204                         srcimp = atc->srcimps[i];
1205                         srcimp->ops->unmap(srcimp);
1206                         srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1207                 }
1208                 kfree(atc->srcimps);
1209                 atc->srcimps = NULL;
1210         }
1211 
1212         return 0;
1213 }
1214 
1215 static int ct_atc_destroy(struct ct_atc *atc)
1216 {
1217         int i = 0;
1218 
1219         if (!atc)
1220                 return 0;
1221 
1222         if (atc->timer) {
1223                 ct_timer_free(atc->timer);
1224                 atc->timer = NULL;
1225         }
1226 
1227         atc_release_resources(atc);
1228 
1229         /* Destroy internal mixer objects */
1230         if (atc->mixer)
1231                 ct_mixer_destroy(atc->mixer);
1232 
1233         for (i = 0; i < NUM_RSCTYP; i++) {
1234                 if (rsc_mgr_funcs[i].destroy && atc->rsc_mgrs[i])
1235                         rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1236 
1237         }
1238 
1239         if (atc->hw)
1240                 destroy_hw_obj(atc->hw);
1241 
1242         /* Destroy device virtual memory manager object */
1243         if (atc->vm) {
1244                 ct_vm_destroy(atc->vm);
1245                 atc->vm = NULL;
1246         }
1247 
1248         kfree(atc);
1249 
1250         return 0;
1251 }
1252 
1253 static int atc_dev_free(struct snd_device *dev)
1254 {
1255         struct ct_atc *atc = dev->device_data;
1256         return ct_atc_destroy(atc);
1257 }
1258 
1259 static int atc_identify_card(struct ct_atc *atc, unsigned int ssid)
1260 {
1261         const struct snd_pci_quirk *p;
1262         const struct snd_pci_quirk *list;
1263         u16 vendor_id, device_id;
1264 
1265         switch (atc->chip_type) {
1266         case ATC20K1:
1267                 atc->chip_name = "20K1";
1268                 list = subsys_20k1_list;
1269                 break;
1270         case ATC20K2:
1271                 atc->chip_name = "20K2";
1272                 list = subsys_20k2_list;
1273                 break;
1274         default:
1275                 return -ENOENT;
1276         }
1277         if (ssid) {
1278                 vendor_id = ssid >> 16;
1279                 device_id = ssid & 0xffff;
1280         } else {
1281                 vendor_id = atc->pci->subsystem_vendor;
1282                 device_id = atc->pci->subsystem_device;
1283         }
1284         p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
1285         if (p) {
1286                 if (p->value < 0) {
1287                         dev_err(atc->card->dev,
1288                                 "Device %04x:%04x is black-listed\n",
1289                                 vendor_id, device_id);
1290                         return -ENOENT;
1291                 }
1292                 atc->model = p->value;
1293         } else {
1294                 if (atc->chip_type == ATC20K1)
1295                         atc->model = CT20K1_UNKNOWN;
1296                 else
1297                         atc->model = CT20K2_UNKNOWN;
1298         }
1299         atc->model_name = ct_subsys_name[atc->model];
1300         dev_info(atc->card->dev, "chip %s model %s (%04x:%04x) is found\n",
1301                    atc->chip_name, atc->model_name,
1302                    vendor_id, device_id);
1303         return 0;
1304 }
1305 
1306 int ct_atc_create_alsa_devs(struct ct_atc *atc)
1307 {
1308         enum CTALSADEVS i;
1309         int err;
1310 
1311         alsa_dev_funcs[MIXER].public_name = atc->chip_name;
1312 
1313         for (i = 0; i < NUM_CTALSADEVS; i++) {
1314                 if (!alsa_dev_funcs[i].create)
1315                         continue;
1316 
1317                 err = alsa_dev_funcs[i].create(atc, i,
1318                                 alsa_dev_funcs[i].public_name);
1319                 if (err) {
1320                         dev_err(atc->card->dev,
1321                                 "Creating alsa device %d failed!\n", i);
1322                         return err;
1323                 }
1324         }
1325 
1326         return 0;
1327 }
1328 
1329 static int atc_create_hw_devs(struct ct_atc *atc)
1330 {
1331         struct hw *hw;
1332         struct card_conf info = {0};
1333         int i, err;
1334 
1335         err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
1336         if (err) {
1337                 dev_err(atc->card->dev, "Failed to create hw obj!!!\n");
1338                 return err;
1339         }
1340         hw->card = atc->card;
1341         atc->hw = hw;
1342 
1343         /* Initialize card hardware. */
1344         info.rsr = atc->rsr;
1345         info.msr = atc->msr;
1346         info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1347         err = hw->card_init(hw, &info);
1348         if (err < 0)
1349                 return err;
1350 
1351         for (i = 0; i < NUM_RSCTYP; i++) {
1352                 if (!rsc_mgr_funcs[i].create)
1353                         continue;
1354 
1355                 err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1356                 if (err) {
1357                         dev_err(atc->card->dev,
1358                                 "Failed to create rsc_mgr %d!!!\n", i);
1359                         return err;
1360                 }
1361         }
1362 
1363         return 0;
1364 }
1365 
1366 static int atc_get_resources(struct ct_atc *atc)
1367 {
1368         struct daio_desc da_desc = {0};
1369         struct daio_mgr *daio_mgr;
1370         struct src_desc src_dsc = {0};
1371         struct src_mgr *src_mgr;
1372         struct srcimp_desc srcimp_dsc = {0};
1373         struct srcimp_mgr *srcimp_mgr;
1374         struct sum_desc sum_dsc = {0};
1375         struct sum_mgr *sum_mgr;
1376         int err, i, num_srcs, num_daios;
1377 
1378         num_daios = ((atc->model == CTSB1270) ? 8 : 7);
1379         num_srcs = ((atc->model == CTSB1270) ? 6 : 4);
1380 
1381         atc->daios = kzalloc(sizeof(void *)*num_daios, GFP_KERNEL);
1382         if (!atc->daios)
1383                 return -ENOMEM;
1384 
1385         atc->srcs = kzalloc(sizeof(void *)*num_srcs, GFP_KERNEL);
1386         if (!atc->srcs)
1387                 return -ENOMEM;
1388 
1389         atc->srcimps = kzalloc(sizeof(void *)*num_srcs, GFP_KERNEL);
1390         if (!atc->srcimps)
1391                 return -ENOMEM;
1392 
1393         atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL);
1394         if (!atc->pcm)
1395                 return -ENOMEM;
1396 
1397         daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1398         da_desc.msr = atc->msr;
1399         for (i = 0, atc->n_daio = 0; i < num_daios; i++) {
1400                 da_desc.type = (atc->model != CTSB073X) ? i :
1401                              ((i == SPDIFIO) ? SPDIFI1 : i);
1402                 err = daio_mgr->get_daio(daio_mgr, &da_desc,
1403                                         (struct daio **)&atc->daios[i]);
1404                 if (err) {
1405                         dev_err(atc->card->dev,
1406                                 "Failed to get DAIO resource %d!!!\n",
1407                                 i);
1408                         return err;
1409                 }
1410                 atc->n_daio++;
1411         }
1412 
1413         src_mgr = atc->rsc_mgrs[SRC];
1414         src_dsc.multi = 1;
1415         src_dsc.msr = atc->msr;
1416         src_dsc.mode = ARCRW;
1417         for (i = 0, atc->n_src = 0; i < num_srcs; i++) {
1418                 err = src_mgr->get_src(src_mgr, &src_dsc,
1419                                         (struct src **)&atc->srcs[i]);
1420                 if (err)
1421                         return err;
1422 
1423                 atc->n_src++;
1424         }
1425 
1426         srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1427         srcimp_dsc.msr = 8;
1428         for (i = 0, atc->n_srcimp = 0; i < num_srcs; i++) {
1429                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1430                                         (struct srcimp **)&atc->srcimps[i]);
1431                 if (err)
1432                         return err;
1433 
1434                 atc->n_srcimp++;
1435         }
1436 
1437         sum_mgr = atc->rsc_mgrs[SUM];
1438         sum_dsc.msr = atc->msr;
1439         for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1440                 err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1441                                         (struct sum **)&atc->pcm[i]);
1442                 if (err)
1443                         return err;
1444 
1445                 atc->n_pcm++;
1446         }
1447 
1448         return 0;
1449 }
1450 
1451 static void
1452 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1453                 struct src **srcs, struct srcimp **srcimps)
1454 {
1455         struct rsc *rscs[2] = {NULL};
1456         struct src *src;
1457         struct srcimp *srcimp;
1458         int i = 0;
1459 
1460         rscs[0] = &dai->daio.rscl;
1461         rscs[1] = &dai->daio.rscr;
1462         for (i = 0; i < 2; i++) {
1463                 src = srcs[i];
1464                 srcimp = srcimps[i];
1465                 srcimp->ops->map(srcimp, src, rscs[i]);
1466                 src_mgr->src_disable(src_mgr, src);
1467         }
1468 
1469         src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1470 
1471         src = srcs[0];
1472         src->ops->set_pm(src, 1);
1473         for (i = 0; i < 2; i++) {
1474                 src = srcs[i];
1475                 src->ops->set_state(src, SRC_STATE_RUN);
1476                 src->ops->commit_write(src);
1477                 src_mgr->src_enable_s(src_mgr, src);
1478         }
1479 
1480         dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1481         dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1482 
1483         dai->ops->set_enb_src(dai, 1);
1484         dai->ops->set_enb_srt(dai, 1);
1485         dai->ops->commit_write(dai);
1486 
1487         src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1488 }
1489 
1490 static void atc_connect_resources(struct ct_atc *atc)
1491 {
1492         struct dai *dai;
1493         struct dao *dao;
1494         struct src *src;
1495         struct sum *sum;
1496         struct ct_mixer *mixer;
1497         struct rsc *rscs[2] = {NULL};
1498         int i, j;
1499 
1500         mixer = atc->mixer;
1501 
1502         for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1503                 mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1504                 dao = container_of(atc->daios[j], struct dao, daio);
1505                 dao->ops->set_left_input(dao, rscs[0]);
1506                 dao->ops->set_right_input(dao, rscs[1]);
1507         }
1508 
1509         dai = container_of(atc->daios[LINEIM], struct dai, daio);
1510         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1511                         (struct src **)&atc->srcs[2],
1512                         (struct srcimp **)&atc->srcimps[2]);
1513         src = atc->srcs[2];
1514         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1515         src = atc->srcs[3];
1516         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1517 
1518         if (atc->model == CTSB1270) {
1519                 /* Titanium HD has a dedicated ADC for the Mic. */
1520                 dai = container_of(atc->daios[MIC], struct dai, daio);
1521                 atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1522                         (struct src **)&atc->srcs[4],
1523                         (struct srcimp **)&atc->srcimps[4]);
1524                 src = atc->srcs[4];
1525                 mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
1526                 src = atc->srcs[5];
1527                 mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
1528         }
1529 
1530         dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1531         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1532                         (struct src **)&atc->srcs[0],
1533                         (struct srcimp **)&atc->srcimps[0]);
1534 
1535         src = atc->srcs[0];
1536         mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1537         src = atc->srcs[1];
1538         mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1539 
1540         for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1541                 sum = atc->pcm[j];
1542                 mixer->set_input_left(mixer, i, &sum->rsc);
1543                 sum = atc->pcm[j+1];
1544                 mixer->set_input_right(mixer, i, &sum->rsc);
1545         }
1546 }
1547 
1548 #ifdef CONFIG_PM_SLEEP
1549 static int atc_suspend(struct ct_atc *atc)
1550 {
1551         int i;
1552         struct hw *hw = atc->hw;
1553 
1554         snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
1555 
1556         for (i = FRONT; i < NUM_PCMS; i++) {
1557                 if (!atc->pcms[i])
1558                         continue;
1559 
1560                 snd_pcm_suspend_all(atc->pcms[i]);
1561         }
1562 
1563         atc_release_resources(atc);
1564 
1565         hw->suspend(hw);
1566 
1567         return 0;
1568 }
1569 
1570 static int atc_hw_resume(struct ct_atc *atc)
1571 {
1572         struct hw *hw = atc->hw;
1573         struct card_conf info = {0};
1574 
1575         /* Re-initialize card hardware. */
1576         info.rsr = atc->rsr;
1577         info.msr = atc->msr;
1578         info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1579         return hw->resume(hw, &info);
1580 }
1581 
1582 static int atc_resources_resume(struct ct_atc *atc)
1583 {
1584         struct ct_mixer *mixer;
1585         int err = 0;
1586 
1587         /* Get resources */
1588         err = atc_get_resources(atc);
1589         if (err < 0) {
1590                 atc_release_resources(atc);
1591                 return err;
1592         }
1593 
1594         /* Build topology */
1595         atc_connect_resources(atc);
1596 
1597         mixer = atc->mixer;
1598         mixer->resume(mixer);
1599 
1600         return 0;
1601 }
1602 
1603 static int atc_resume(struct ct_atc *atc)
1604 {
1605         int err = 0;
1606 
1607         /* Do hardware resume. */
1608         err = atc_hw_resume(atc);
1609         if (err < 0) {
1610                 dev_err(atc->card->dev,
1611                         "pci_enable_device failed, disabling device\n");
1612                 snd_card_disconnect(atc->card);
1613                 return err;
1614         }
1615 
1616         err = atc_resources_resume(atc);
1617         if (err < 0)
1618                 return err;
1619 
1620         snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
1621 
1622         return 0;
1623 }
1624 #endif
1625 
1626 static struct ct_atc atc_preset = {
1627         .map_audio_buffer = ct_map_audio_buffer,
1628         .unmap_audio_buffer = ct_unmap_audio_buffer,
1629         .pcm_playback_prepare = atc_pcm_playback_prepare,
1630         .pcm_release_resources = atc_pcm_release_resources,
1631         .pcm_playback_start = atc_pcm_playback_start,
1632         .pcm_playback_stop = atc_pcm_stop,
1633         .pcm_playback_position = atc_pcm_playback_position,
1634         .pcm_capture_prepare = atc_pcm_capture_prepare,
1635         .pcm_capture_start = atc_pcm_capture_start,
1636         .pcm_capture_stop = atc_pcm_stop,
1637         .pcm_capture_position = atc_pcm_capture_position,
1638         .spdif_passthru_playback_prepare = spdif_passthru_playback_prepare,
1639         .get_ptp_phys = atc_get_ptp_phys,
1640         .select_line_in = atc_select_line_in,
1641         .select_mic_in = atc_select_mic_in,
1642         .select_digit_io = atc_select_digit_io,
1643         .line_front_unmute = atc_line_front_unmute,
1644         .line_surround_unmute = atc_line_surround_unmute,
1645         .line_clfe_unmute = atc_line_clfe_unmute,
1646         .line_rear_unmute = atc_line_rear_unmute,
1647         .line_in_unmute = atc_line_in_unmute,
1648         .mic_unmute = atc_mic_unmute,
1649         .spdif_out_unmute = atc_spdif_out_unmute,
1650         .spdif_in_unmute = atc_spdif_in_unmute,
1651         .spdif_out_get_status = atc_spdif_out_get_status,
1652         .spdif_out_set_status = atc_spdif_out_set_status,
1653         .spdif_out_passthru = atc_spdif_out_passthru,
1654         .capabilities = atc_capabilities,
1655         .output_switch_get = atc_output_switch_get,
1656         .output_switch_put = atc_output_switch_put,
1657         .mic_source_switch_get = atc_mic_source_switch_get,
1658         .mic_source_switch_put = atc_mic_source_switch_put,
1659 #ifdef CONFIG_PM_SLEEP
1660         .suspend = atc_suspend,
1661         .resume = atc_resume,
1662 #endif
1663 };
1664 
1665 /**
1666  *  ct_atc_create - create and initialize a hardware manager
1667  *  @card: corresponding alsa card object
1668  *  @pci: corresponding kernel pci device object
1669  *  @ratc: return created object address in it
1670  *
1671  *  Creates and initializes a hardware manager.
1672  *
1673  *  Creates kmallocated ct_atc structure. Initializes hardware.
1674  *  Returns 0 if succeeds, or negative error code if fails.
1675  */
1676 
1677 int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1678                   unsigned int rsr, unsigned int msr,
1679                   int chip_type, unsigned int ssid,
1680                   struct ct_atc **ratc)
1681 {
1682         struct ct_atc *atc;
1683         static struct snd_device_ops ops = {
1684                 .dev_free = atc_dev_free,
1685         };
1686         int err;
1687 
1688         *ratc = NULL;
1689 
1690         atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1691         if (!atc)
1692                 return -ENOMEM;
1693 
1694         /* Set operations */
1695         *atc = atc_preset;
1696 
1697         atc->card = card;
1698         atc->pci = pci;
1699         atc->rsr = rsr;
1700         atc->msr = msr;
1701         atc->chip_type = chip_type;
1702 
1703         mutex_init(&atc->atc_mutex);
1704 
1705         /* Find card model */
1706         err = atc_identify_card(atc, ssid);
1707         if (err < 0) {
1708                 dev_err(card->dev, "ctatc: Card not recognised\n");
1709                 goto error1;
1710         }
1711 
1712         /* Set up device virtual memory management object */
1713         err = ct_vm_create(&atc->vm, pci);
1714         if (err < 0)
1715                 goto error1;
1716 
1717         /* Create all atc hw devices */
1718         err = atc_create_hw_devs(atc);
1719         if (err < 0)
1720                 goto error1;
1721 
1722         err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1723         if (err) {
1724                 dev_err(card->dev, "Failed to create mixer obj!!!\n");
1725                 goto error1;
1726         }
1727 
1728         /* Get resources */
1729         err = atc_get_resources(atc);
1730         if (err < 0)
1731                 goto error1;
1732 
1733         /* Build topology */
1734         atc_connect_resources(atc);
1735 
1736         atc->timer = ct_timer_new(atc);
1737         if (!atc->timer) {
1738                 err = -ENOMEM;
1739                 goto error1;
1740         }
1741 
1742         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1743         if (err < 0)
1744                 goto error1;
1745 
1746         *ratc = atc;
1747         return 0;
1748 
1749 error1:
1750         ct_atc_destroy(atc);
1751         dev_err(card->dev, "Something wrong!!!\n");
1752         return err;
1753 }
1754 

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