1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
8 * This file contains the implementation of the device resource management
22 #include <linux/delay.h>
23 #include <linux/slab.h>
24 #include <sound/pcm.h>
25 #include <sound/control.h>
26 #include <sound/asoundef.h>
28 #define MONO_SUM_SCALE 0x19a8 /* 2^(-0.5) in 14-bit floating format */
29 #define MAX_MULTI_CHN 8
31 #define IEC958_DEFAULT_CON ((IEC958_AES0_NONAUDIO \
32 | IEC958_AES0_CON_NOT_COPYRIGHT) \
33 | ((IEC958_AES1_CON_MIXER \
34 | IEC958_AES1_CON_ORIGINAL) << 8) \
36 | ((IEC958_AES3_CON_FS_48000) << 24))
38 static const struct snd_pci_quirk subsys_20k1_list[] = {
39 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0021, "SB046x", CTSB046X),
40 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0022, "SB055x", CTSB055X),
41 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x002f, "SB055x", CTSB055X),
42 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0029, "SB073x", CTSB073X),
43 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0031, "SB073x", CTSB073X),
44 SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000, 0x6000,
49 static const struct snd_pci_quirk subsys_20k2_list[] = {
50 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
52 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB1270,
54 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
56 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
58 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
60 SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000,
61 PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "HENDRIX",
66 static const char *ct_subsys_name[NUM_CTCARDS] = {
68 [CTSB046X] = "SB046x",
69 [CTSB055X] = "SB055x",
70 [CTSB073X] = "SB073x",
72 [CT20K1_UNKNOWN] = "Unknown",
74 [CTSB0760] = "SB076x",
75 [CTHENDRIX] = "Hendrix",
76 [CTSB0880] = "SB0880",
77 [CTSB1270] = "SB1270",
78 [CT20K2_UNKNOWN] = "Unknown",
82 int (*create)(struct ct_atc *atc,
83 enum CTALSADEVS device, const char *device_name);
84 int (*destroy)(void *alsa_dev);
85 const char *public_name;
86 } alsa_dev_funcs[NUM_CTALSADEVS] = {
87 [FRONT] = { .create = ct_alsa_pcm_create,
89 .public_name = "Front/WaveIn"},
90 [SURROUND] = { .create = ct_alsa_pcm_create,
92 .public_name = "Surround"},
93 [CLFE] = { .create = ct_alsa_pcm_create,
95 .public_name = "Center/LFE"},
96 [SIDE] = { .create = ct_alsa_pcm_create,
98 .public_name = "Side"},
99 [IEC958] = { .create = ct_alsa_pcm_create,
101 .public_name = "IEC958 Non-audio"},
103 [MIXER] = { .create = ct_alsa_mix_create,
105 .public_name = "Mixer"}
108 typedef int (*create_t)(struct hw *, void **);
109 typedef int (*destroy_t)(void *);
112 int (*create)(struct hw *hw, void **rmgr);
113 int (*destroy)(void *mgr);
114 } rsc_mgr_funcs[NUM_RSCTYP] = {
115 [SRC] = { .create = (create_t)src_mgr_create,
116 .destroy = (destroy_t)src_mgr_destroy },
117 [SRCIMP] = { .create = (create_t)srcimp_mgr_create,
118 .destroy = (destroy_t)srcimp_mgr_destroy },
119 [AMIXER] = { .create = (create_t)amixer_mgr_create,
120 .destroy = (destroy_t)amixer_mgr_destroy },
121 [SUM] = { .create = (create_t)sum_mgr_create,
122 .destroy = (destroy_t)sum_mgr_destroy },
123 [DAIO] = { .create = (create_t)daio_mgr_create,
124 .destroy = (destroy_t)daio_mgr_destroy }
128 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
131 * Only mono and interleaved modes are supported now.
132 * Always allocates a contiguous channel block.
135 static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
137 struct snd_pcm_runtime *runtime;
140 if (!apcm->substream)
143 runtime = apcm->substream->runtime;
146 apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
154 static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
163 vm->unmap(vm, apcm->vm_block);
165 apcm->vm_block = NULL;
168 static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
170 return atc->vm->get_ptp_phys(atc->vm, index);
173 static unsigned int convert_format(snd_pcm_format_t snd_format,
174 struct snd_card *card)
176 switch (snd_format) {
177 case SNDRV_PCM_FORMAT_U8:
179 case SNDRV_PCM_FORMAT_S16_LE:
181 case SNDRV_PCM_FORMAT_S24_3LE:
183 case SNDRV_PCM_FORMAT_S32_LE:
185 case SNDRV_PCM_FORMAT_FLOAT_LE:
188 dev_err(card->dev, "not recognized snd format is %d\n",
195 atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
200 /* get pitch and convert to fixed-point 8.24 format. */
201 pitch = (input_rate / output_rate) << 24;
202 input_rate %= output_rate;
205 for (b = 31; ((b >= 0) && !(input_rate >> b)); )
209 input_rate <<= (31 - b);
210 input_rate /= output_rate;
223 static int select_rom(unsigned int pitch)
225 if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
226 /* 0.26 <= pitch <= 1.72 */
228 } else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
229 /* pitch == 1.8375 */
231 } else if (pitch == 0x02000000) {
234 } else if (pitch <= 0x08000000) {
235 /* 0 <= pitch <= 8 */
242 static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
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};
249 struct amixer *amixer;
251 int n_amixer = apcm->substream->runtime->channels, i = 0;
252 int device = apcm->substream->pcm->device;
255 /* first release old resources */
256 atc_pcm_release_resources(atc, apcm);
258 /* Get SRC resource */
259 desc.multi = apcm->substream->runtime->channels;
262 err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
266 pitch = atc_get_pitch(apcm->substream->runtime->rate,
267 (atc->rsr * atc->msr));
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,
273 src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
275 /* Get AMIXER resource */
276 n_amixer = (n_amixer < 2) ? 2 : n_amixer;
277 apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
278 if (!apcm->amixers) {
282 mix_dsc.msr = atc->msr;
283 for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
284 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
285 (struct amixer **)&apcm->amixers[i]);
292 /* Set up device virtual mem map */
293 err = ct_map_audio_buffer(atc, apcm);
297 /* Connect resources */
299 for (i = 0; i < n_amixer; i++) {
300 amixer = apcm->amixers[i];
301 mutex_lock(&atc->atc_mutex);
302 amixer->ops->setup(amixer, &src->rsc,
303 INIT_VOL, atc->pcm[i+device*2]);
304 mutex_unlock(&atc->atc_mutex);
305 src = src->ops->next_interleave(src);
310 ct_timer_prepare(apcm->timer);
315 atc_pcm_release_resources(atc, apcm);
320 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
322 struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
323 struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
324 struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
325 struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
326 struct srcimp *srcimp;
330 for (i = 0; i < apcm->n_srcimp; i++) {
331 srcimp = apcm->srcimps[i];
332 srcimp->ops->unmap(srcimp);
333 srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
334 apcm->srcimps[i] = NULL;
336 kfree(apcm->srcimps);
337 apcm->srcimps = NULL;
341 for (i = 0; i < apcm->n_srcc; i++) {
342 src_mgr->put_src(src_mgr, apcm->srccs[i]);
343 apcm->srccs[i] = NULL;
350 for (i = 0; i < apcm->n_amixer; i++) {
351 amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
352 apcm->amixers[i] = NULL;
354 kfree(apcm->amixers);
355 apcm->amixers = NULL;
359 sum_mgr->put_sum(sum_mgr, apcm->mono);
364 src_mgr->put_src(src_mgr, apcm->src);
368 if (apcm->vm_block) {
369 /* Undo device virtual mem map */
370 ct_unmap_audio_buffer(atc, apcm);
371 apcm->vm_block = NULL;
377 static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
379 unsigned int max_cisz;
380 struct src *src = apcm->src;
386 max_cisz = src->multi * src->rsc.msr;
387 max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
389 src->ops->set_sa(src, apcm->vm_block->addr);
390 src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
391 src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
392 src->ops->set_cisz(src, max_cisz);
394 src->ops->set_bm(src, 1);
395 src->ops->set_state(src, SRC_STATE_INIT);
396 src->ops->commit_write(src);
398 ct_timer_start(apcm->timer);
402 static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
407 ct_timer_stop(apcm->timer);
410 src->ops->set_bm(src, 0);
411 src->ops->set_state(src, SRC_STATE_OFF);
412 src->ops->commit_write(src);
415 for (i = 0; i < apcm->n_srcc; i++) {
416 src = apcm->srccs[i];
417 src->ops->set_bm(src, 0);
418 src->ops->set_state(src, SRC_STATE_OFF);
419 src->ops->commit_write(src);
429 atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
431 struct src *src = apcm->src;
437 position = src->ops->get_ca(src);
439 if (position < apcm->vm_block->addr) {
440 dev_dbg(atc->card->dev,
441 "bad ca - ca=0x%08x, vba=0x%08x, vbs=0x%08x\n",
442 position, apcm->vm_block->addr, apcm->vm_block->size);
443 position = apcm->vm_block->addr;
446 size = apcm->vm_block->size;
447 max_cisz = src->multi * src->rsc.msr;
448 max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
450 return (position + size - max_cisz - apcm->vm_block->addr) % size;
453 struct src_node_conf_t {
456 unsigned int mix_msr:8;
457 unsigned int imp_msr:8;
461 static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
462 struct src_node_conf_t *conf, int *n_srcc)
466 /* get pitch and convert to fixed-point 8.24 format. */
467 pitch = atc_get_pitch((atc->rsr * atc->msr),
468 apcm->substream->runtime->rate);
471 if (1 == atc->msr) { /* FIXME: do we really need SRC here if pitch==1 */
472 *n_srcc = apcm->substream->runtime->channels;
473 conf[0].pitch = pitch;
474 conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
476 } else if (2 <= atc->msr) {
477 if (0x8000000 < pitch) {
478 /* Need two-stage SRCs, SRCIMPs and
479 * AMIXERs for converting format */
480 conf[0].pitch = (atc->msr << 24);
481 conf[0].msr = conf[0].mix_msr = 1;
482 conf[0].imp_msr = atc->msr;
484 conf[1].pitch = atc_get_pitch(atc->rsr,
485 apcm->substream->runtime->rate);
486 conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
488 *n_srcc = apcm->substream->runtime->channels * 2;
489 } else if (0x1000000 < pitch) {
490 /* Need one-stage SRCs, SRCIMPs and
491 * AMIXERs for converting format */
492 conf[0].pitch = pitch;
493 conf[0].msr = conf[0].mix_msr
494 = conf[0].imp_msr = atc->msr;
496 *n_srcc = apcm->substream->runtime->channels;
502 atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
504 struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
505 struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
506 struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
507 struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
508 struct src_desc src_dsc = {0};
510 struct srcimp_desc srcimp_dsc = {0};
511 struct srcimp *srcimp;
512 struct amixer_desc mix_dsc = {0};
513 struct sum_desc sum_dsc = {0};
516 int n_srcimp, n_amixer, n_srcc, n_sum;
517 struct src_node_conf_t src_node_conf[2] = {{0} };
519 /* first release old resources */
520 atc_pcm_release_resources(atc, apcm);
522 /* The numbers of converting SRCs and SRCIMPs should be determined
525 multi = apcm->substream->runtime->channels;
527 /* get pitch and convert to fixed-point 8.24 format. */
528 pitch = atc_get_pitch((atc->rsr * atc->msr),
529 apcm->substream->runtime->rate);
531 setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
532 n_sum = (1 == multi) ? 1 : 0;
533 n_amixer = n_sum * 2 + n_srcc;
535 if ((multi > 1) && (0x8000000 >= pitch)) {
536 /* Need extra AMIXERs and SRCIMPs for special treatment
537 * of interleaved recording of conjugate channels */
538 n_amixer += multi * atc->msr;
539 n_srcimp += multi * atc->msr;
545 apcm->srccs = kcalloc(n_srcc, sizeof(void *), GFP_KERNEL);
550 apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
551 if (!apcm->amixers) {
556 apcm->srcimps = kcalloc(n_srcimp, sizeof(void *), GFP_KERNEL);
557 if (!apcm->srcimps) {
562 /* Allocate SRCs for sample rate conversion if needed */
564 src_dsc.mode = ARCRW;
565 for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
566 src_dsc.msr = src_node_conf[i/multi].msr;
567 err = src_mgr->get_src(src_mgr, &src_dsc,
568 (struct src **)&apcm->srccs[i]);
572 src = apcm->srccs[i];
573 pitch = src_node_conf[i/multi].pitch;
574 src->ops->set_pitch(src, pitch);
575 src->ops->set_rom(src, select_rom(pitch));
576 src->ops->set_vo(src, src_node_conf[i/multi].vo);
581 /* Allocate AMIXERs for routing SRCs of conversion if needed */
582 for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
584 mix_dsc.msr = atc->msr;
585 else if (i < (n_sum*2+n_srcc))
586 mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
590 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
591 (struct amixer **)&apcm->amixers[i]);
598 /* Allocate a SUM resource to mix all input channels together */
599 sum_dsc.msr = atc->msr;
600 err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
604 pitch = atc_get_pitch((atc->rsr * atc->msr),
605 apcm->substream->runtime->rate);
606 /* Allocate SRCIMP resources */
607 for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
609 srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
611 srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
615 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
619 apcm->srcimps[i] = srcimp;
623 /* Allocate a SRC for writing data to host memory */
624 src_dsc.multi = apcm->substream->runtime->channels;
626 src_dsc.mode = MEMWR;
627 err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
632 src->ops->set_pitch(src, pitch);
634 /* Set up device virtual mem map */
635 err = ct_map_audio_buffer(atc, apcm);
642 atc_pcm_release_resources(atc, apcm);
646 static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
649 struct amixer *amixer;
650 struct srcimp *srcimp;
651 struct ct_mixer *mixer = atc->mixer;
653 struct rsc *out_ports[8] = {NULL};
654 int err, i, j, n_sum, multi;
656 int mix_base = 0, imp_base = 0;
658 atc_pcm_release_resources(atc, apcm);
660 /* Get needed resources. */
661 err = atc_pcm_capture_get_resources(atc, apcm);
665 /* Connect resources */
666 mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
667 &out_ports[0], &out_ports[1]);
669 multi = apcm->substream->runtime->channels;
672 for (i = 0; i < 2; i++) {
673 amixer = apcm->amixers[i];
674 amixer->ops->setup(amixer, out_ports[i],
675 MONO_SUM_SCALE, mono);
677 out_ports[0] = &mono->rsc;
679 mix_base = n_sum * 2;
682 for (i = 0; i < apcm->n_srcc; i++) {
683 src = apcm->srccs[i];
684 srcimp = apcm->srcimps[imp_base+i];
685 amixer = apcm->amixers[mix_base+i];
686 srcimp->ops->map(srcimp, src, out_ports[i%multi]);
687 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
688 out_ports[i%multi] = &amixer->rsc;
691 pitch = atc_get_pitch((atc->rsr * atc->msr),
692 apcm->substream->runtime->rate);
694 if ((multi > 1) && (pitch <= 0x8000000)) {
695 /* Special connection for interleaved
696 * recording with conjugate channels */
697 for (i = 0; i < multi; i++) {
698 out_ports[i]->ops->master(out_ports[i]);
699 for (j = 0; j < atc->msr; j++) {
700 amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
701 amixer->ops->set_input(amixer, out_ports[i]);
702 amixer->ops->set_scale(amixer, INIT_VOL);
703 amixer->ops->set_sum(amixer, NULL);
704 amixer->ops->commit_raw_write(amixer);
705 out_ports[i]->ops->next_conj(out_ports[i]);
707 srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
708 srcimp->ops->map(srcimp, apcm->src,
713 for (i = 0; i < multi; i++) {
714 srcimp = apcm->srcimps[apcm->n_srcc+i];
715 srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
719 ct_timer_prepare(apcm->timer);
724 static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
727 struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
734 multi = apcm->substream->runtime->channels;
735 /* Set up converting SRCs */
736 for (i = 0; i < apcm->n_srcc; i++) {
737 src = apcm->srccs[i];
738 src->ops->set_pm(src, ((i%multi) != (multi-1)));
739 src_mgr->src_disable(src_mgr, src);
742 /* Set up recording SRC */
744 src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
746 src->ops->set_sa(src, apcm->vm_block->addr);
747 src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
748 src->ops->set_ca(src, apcm->vm_block->addr);
749 src_mgr->src_disable(src_mgr, src);
751 /* Disable relevant SRCs firstly */
752 src_mgr->commit_write(src_mgr);
754 /* Enable SRCs respectively */
755 for (i = 0; i < apcm->n_srcc; i++) {
756 src = apcm->srccs[i];
757 src->ops->set_state(src, SRC_STATE_RUN);
758 src->ops->commit_write(src);
759 src_mgr->src_enable_s(src_mgr, src);
762 src->ops->set_bm(src, 1);
763 src->ops->set_state(src, SRC_STATE_RUN);
764 src->ops->commit_write(src);
765 src_mgr->src_enable_s(src_mgr, src);
767 /* Enable relevant SRCs synchronously */
768 src_mgr->commit_write(src_mgr);
770 ct_timer_start(apcm->timer);
775 atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
777 struct src *src = apcm->src;
781 return src->ops->get_ca(src) - apcm->vm_block->addr;
784 static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
785 struct ct_atc_pcm *apcm)
787 struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
788 struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
789 struct src_desc desc = {0};
790 struct amixer_desc mix_dsc = {0};
793 int n_amixer = apcm->substream->runtime->channels, i;
794 unsigned int pitch, rsr = atc->pll_rate;
796 /* first release old resources */
797 atc_pcm_release_resources(atc, apcm);
799 /* Get SRC resource */
800 desc.multi = apcm->substream->runtime->channels;
802 while (apcm->substream->runtime->rate > (rsr * desc.msr))
806 err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
810 pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
812 src->ops->set_pitch(src, pitch);
813 src->ops->set_rom(src, select_rom(pitch));
814 src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
816 src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
817 src->ops->set_bp(src, 1);
819 /* Get AMIXER resource */
820 n_amixer = (n_amixer < 2) ? 2 : n_amixer;
821 apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
822 if (!apcm->amixers) {
826 mix_dsc.msr = desc.msr;
827 for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
828 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
829 (struct amixer **)&apcm->amixers[i]);
836 /* Set up device virtual mem map */
837 err = ct_map_audio_buffer(atc, apcm);
844 atc_pcm_release_resources(atc, apcm);
848 static int atc_pll_init(struct ct_atc *atc, int rate)
850 struct hw *hw = atc->hw;
852 err = hw->pll_init(hw, rate);
853 atc->pll_rate = err ? 0 : rate;
858 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
860 struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
861 unsigned int rate = apcm->substream->runtime->rate;
864 unsigned char iec958_con_fs;
868 iec958_con_fs = IEC958_AES3_CON_FS_48000;
871 iec958_con_fs = IEC958_AES3_CON_FS_44100;
874 iec958_con_fs = IEC958_AES3_CON_FS_32000;
880 mutex_lock(&atc->atc_mutex);
881 dao->ops->get_spos(dao, &status);
882 if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
883 status &= ~(IEC958_AES3_CON_FS << 24);
884 status |= (iec958_con_fs << 24);
885 dao->ops->set_spos(dao, status);
886 dao->ops->commit_write(dao);
888 if ((rate != atc->pll_rate) && (32000 != rate))
889 err = atc_pll_init(atc, rate);
890 mutex_unlock(&atc->atc_mutex);
896 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
899 struct amixer *amixer;
904 atc_pcm_release_resources(atc, apcm);
906 /* Configure SPDIFOO and PLL to passthrough mode;
907 * determine pll_rate. */
908 err = spdif_passthru_playback_setup(atc, apcm);
912 /* Get needed resources. */
913 err = spdif_passthru_playback_get_resources(atc, apcm);
917 /* Connect resources */
919 for (i = 0; i < apcm->n_amixer; i++) {
920 amixer = apcm->amixers[i];
921 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
922 src = src->ops->next_interleave(src);
926 /* Connect to SPDIFOO */
927 mutex_lock(&atc->atc_mutex);
928 dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
929 amixer = apcm->amixers[0];
930 dao->ops->set_left_input(dao, &amixer->rsc);
931 amixer = apcm->amixers[1];
932 dao->ops->set_right_input(dao, &amixer->rsc);
933 mutex_unlock(&atc->atc_mutex);
935 ct_timer_prepare(apcm->timer);
940 static int atc_select_line_in(struct ct_atc *atc)
942 struct hw *hw = atc->hw;
943 struct ct_mixer *mixer = atc->mixer;
946 if (hw->is_adc_source_selected(hw, ADC_LINEIN))
949 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
950 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
952 hw->select_adc_source(hw, ADC_LINEIN);
955 mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
957 mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
962 static int atc_select_mic_in(struct ct_atc *atc)
964 struct hw *hw = atc->hw;
965 struct ct_mixer *mixer = atc->mixer;
968 if (hw->is_adc_source_selected(hw, ADC_MICIN))
971 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
972 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
974 hw->select_adc_source(hw, ADC_MICIN);
977 mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
979 mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
984 static struct capabilities atc_capabilities(struct ct_atc *atc)
986 struct hw *hw = atc->hw;
988 return hw->capabilities(hw);
991 static int atc_output_switch_get(struct ct_atc *atc)
993 struct hw *hw = atc->hw;
995 return hw->output_switch_get(hw);
998 static int atc_output_switch_put(struct ct_atc *atc, int position)
1000 struct hw *hw = atc->hw;
1002 return hw->output_switch_put(hw, position);
1005 static int atc_mic_source_switch_get(struct ct_atc *atc)
1007 struct hw *hw = atc->hw;
1009 return hw->mic_source_switch_get(hw);
1012 static int atc_mic_source_switch_put(struct ct_atc *atc, int position)
1014 struct hw *hw = atc->hw;
1016 return hw->mic_source_switch_put(hw, position);
1019 static int atc_select_digit_io(struct ct_atc *atc)
1021 struct hw *hw = atc->hw;
1023 if (hw->is_adc_source_selected(hw, ADC_NONE))
1026 hw->select_adc_source(hw, ADC_NONE);
1031 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
1033 struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
1036 daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
1038 daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1040 daio_mgr->commit_write(daio_mgr);
1046 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1048 struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1049 return dao->ops->get_spos(dao, status);
1053 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1055 struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1057 dao->ops->set_spos(dao, status);
1058 dao->ops->commit_write(dao);
1062 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1064 return atc_daio_unmute(atc, state, LINEO1);
1067 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1069 return atc_daio_unmute(atc, state, LINEO2);
1072 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1074 return atc_daio_unmute(atc, state, LINEO3);
1077 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1079 return atc_daio_unmute(atc, state, LINEO4);
1082 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1084 return atc_daio_unmute(atc, state, LINEIM);
1087 static int atc_mic_unmute(struct ct_atc *atc, unsigned char state)
1089 return atc_daio_unmute(atc, state, MIC);
1092 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1094 return atc_daio_unmute(atc, state, SPDIFOO);
1097 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1099 return atc_daio_unmute(atc, state, SPDIFIO);
1102 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1104 return atc_dao_get_status(atc, status, SPDIFOO);
1107 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1109 return atc_dao_set_status(atc, status, SPDIFOO);
1112 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1114 struct dao_desc da_dsc = {0};
1117 struct ct_mixer *mixer = atc->mixer;
1118 struct rsc *rscs[2] = {NULL};
1119 unsigned int spos = 0;
1121 mutex_lock(&atc->atc_mutex);
1122 dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1123 da_dsc.msr = state ? 1 : atc->msr;
1124 da_dsc.passthru = state ? 1 : 0;
1125 err = dao->ops->reinit(dao, &da_dsc);
1127 spos = IEC958_DEFAULT_CON;
1129 mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1130 &rscs[0], &rscs[1]);
1131 dao->ops->set_left_input(dao, rscs[0]);
1132 dao->ops->set_right_input(dao, rscs[1]);
1133 /* Restore PLL to atc->rsr if needed. */
1134 if (atc->pll_rate != atc->rsr)
1135 err = atc_pll_init(atc, atc->rsr);
1137 dao->ops->set_spos(dao, spos);
1138 dao->ops->commit_write(dao);
1139 mutex_unlock(&atc->atc_mutex);
1144 static int atc_release_resources(struct ct_atc *atc)
1147 struct daio_mgr *daio_mgr = NULL;
1148 struct dao *dao = NULL;
1149 struct daio *daio = NULL;
1150 struct sum_mgr *sum_mgr = NULL;
1151 struct src_mgr *src_mgr = NULL;
1152 struct srcimp_mgr *srcimp_mgr = NULL;
1153 struct srcimp *srcimp = NULL;
1154 struct ct_mixer *mixer = NULL;
1156 /* disconnect internal mixer objects */
1159 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1160 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1161 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1162 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1163 mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1164 mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1168 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1169 for (i = 0; i < atc->n_daio; i++) {
1170 daio = atc->daios[i];
1171 if (daio->type < LINEIM) {
1172 dao = container_of(daio, struct dao, daio);
1173 dao->ops->clear_left_input(dao);
1174 dao->ops->clear_right_input(dao);
1176 daio_mgr->put_daio(daio_mgr, daio);
1183 sum_mgr = atc->rsc_mgrs[SUM];
1184 for (i = 0; i < atc->n_pcm; i++)
1185 sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1192 src_mgr = atc->rsc_mgrs[SRC];
1193 for (i = 0; i < atc->n_src; i++)
1194 src_mgr->put_src(src_mgr, atc->srcs[i]);
1201 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1202 for (i = 0; i < atc->n_srcimp; i++) {
1203 srcimp = atc->srcimps[i];
1204 srcimp->ops->unmap(srcimp);
1205 srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1207 kfree(atc->srcimps);
1208 atc->srcimps = NULL;
1214 static int ct_atc_destroy(struct ct_atc *atc)
1222 ct_timer_free(atc->timer);
1226 atc_release_resources(atc);
1228 /* Destroy internal mixer objects */
1230 ct_mixer_destroy(atc->mixer);
1232 for (i = 0; i < NUM_RSCTYP; i++) {
1233 if (rsc_mgr_funcs[i].destroy && atc->rsc_mgrs[i])
1234 rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1239 destroy_hw_obj(atc->hw);
1241 /* Destroy device virtual memory manager object */
1243 ct_vm_destroy(atc->vm);
1252 static int atc_dev_free(struct snd_device *dev)
1254 struct ct_atc *atc = dev->device_data;
1255 return ct_atc_destroy(atc);
1258 static int atc_identify_card(struct ct_atc *atc, unsigned int ssid)
1260 const struct snd_pci_quirk *p;
1261 const struct snd_pci_quirk *list;
1262 u16 vendor_id, device_id;
1264 switch (atc->chip_type) {
1266 atc->chip_name = "20K1";
1267 list = subsys_20k1_list;
1270 atc->chip_name = "20K2";
1271 list = subsys_20k2_list;
1277 vendor_id = ssid >> 16;
1278 device_id = ssid & 0xffff;
1280 vendor_id = atc->pci->subsystem_vendor;
1281 device_id = atc->pci->subsystem_device;
1283 p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
1286 dev_err(atc->card->dev,
1287 "Device %04x:%04x is on the denylist\n",
1288 vendor_id, device_id);
1291 atc->model = p->value;
1293 if (atc->chip_type == ATC20K1)
1294 atc->model = CT20K1_UNKNOWN;
1296 atc->model = CT20K2_UNKNOWN;
1298 atc->model_name = ct_subsys_name[atc->model];
1299 dev_info(atc->card->dev, "chip %s model %s (%04x:%04x) is found\n",
1300 atc->chip_name, atc->model_name,
1301 vendor_id, device_id);
1305 int ct_atc_create_alsa_devs(struct ct_atc *atc)
1310 alsa_dev_funcs[MIXER].public_name = atc->chip_name;
1312 for (i = 0; i < NUM_CTALSADEVS; i++) {
1313 if (!alsa_dev_funcs[i].create)
1316 err = alsa_dev_funcs[i].create(atc, i,
1317 alsa_dev_funcs[i].public_name);
1319 dev_err(atc->card->dev,
1320 "Creating alsa device %d failed!\n", i);
1328 static int atc_create_hw_devs(struct ct_atc *atc)
1331 struct card_conf info = {0};
1334 err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
1336 dev_err(atc->card->dev, "Failed to create hw obj!!!\n");
1339 hw->card = atc->card;
1342 /* Initialize card hardware. */
1343 info.rsr = atc->rsr;
1344 info.msr = atc->msr;
1345 info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1346 err = hw->card_init(hw, &info);
1350 for (i = 0; i < NUM_RSCTYP; i++) {
1351 if (!rsc_mgr_funcs[i].create)
1354 err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1356 dev_err(atc->card->dev,
1357 "Failed to create rsc_mgr %d!!!\n", i);
1365 static int atc_get_resources(struct ct_atc *atc)
1367 struct daio_desc da_desc = {0};
1368 struct daio_mgr *daio_mgr;
1369 struct src_desc src_dsc = {0};
1370 struct src_mgr *src_mgr;
1371 struct srcimp_desc srcimp_dsc = {0};
1372 struct srcimp_mgr *srcimp_mgr;
1373 struct sum_desc sum_dsc = {0};
1374 struct sum_mgr *sum_mgr;
1375 int err, i, num_srcs, num_daios;
1377 num_daios = ((atc->model == CTSB1270) ? 8 : 7);
1378 num_srcs = ((atc->model == CTSB1270) ? 6 : 4);
1380 atc->daios = kcalloc(num_daios, sizeof(void *), GFP_KERNEL);
1384 atc->srcs = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1388 atc->srcimps = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1392 atc->pcm = kcalloc(2 * 4, sizeof(void *), GFP_KERNEL);
1396 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1397 da_desc.msr = atc->msr;
1398 for (i = 0, atc->n_daio = 0; i < num_daios; i++) {
1399 da_desc.type = (atc->model != CTSB073X) ? i :
1400 ((i == SPDIFIO) ? SPDIFI1 : i);
1401 err = daio_mgr->get_daio(daio_mgr, &da_desc,
1402 (struct daio **)&atc->daios[i]);
1404 dev_err(atc->card->dev,
1405 "Failed to get DAIO resource %d!!!\n",
1412 src_mgr = atc->rsc_mgrs[SRC];
1414 src_dsc.msr = atc->msr;
1415 src_dsc.mode = ARCRW;
1416 for (i = 0, atc->n_src = 0; i < num_srcs; i++) {
1417 err = src_mgr->get_src(src_mgr, &src_dsc,
1418 (struct src **)&atc->srcs[i]);
1425 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1427 for (i = 0, atc->n_srcimp = 0; i < num_srcs; i++) {
1428 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1429 (struct srcimp **)&atc->srcimps[i]);
1436 sum_mgr = atc->rsc_mgrs[SUM];
1437 sum_dsc.msr = atc->msr;
1438 for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1439 err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1440 (struct sum **)&atc->pcm[i]);
1451 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1452 struct src **srcs, struct srcimp **srcimps)
1454 struct rsc *rscs[2] = {NULL};
1456 struct srcimp *srcimp;
1459 rscs[0] = &dai->daio.rscl;
1460 rscs[1] = &dai->daio.rscr;
1461 for (i = 0; i < 2; i++) {
1463 srcimp = srcimps[i];
1464 srcimp->ops->map(srcimp, src, rscs[i]);
1465 src_mgr->src_disable(src_mgr, src);
1468 src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1471 src->ops->set_pm(src, 1);
1472 for (i = 0; i < 2; i++) {
1474 src->ops->set_state(src, SRC_STATE_RUN);
1475 src->ops->commit_write(src);
1476 src_mgr->src_enable_s(src_mgr, src);
1479 dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1480 dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1482 dai->ops->set_enb_src(dai, 1);
1483 dai->ops->set_enb_srt(dai, 1);
1484 dai->ops->commit_write(dai);
1486 src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1489 static void atc_connect_resources(struct ct_atc *atc)
1495 struct ct_mixer *mixer;
1496 struct rsc *rscs[2] = {NULL};
1501 for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1502 mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1503 dao = container_of(atc->daios[j], struct dao, daio);
1504 dao->ops->set_left_input(dao, rscs[0]);
1505 dao->ops->set_right_input(dao, rscs[1]);
1508 dai = container_of(atc->daios[LINEIM], struct dai, daio);
1509 atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1510 (struct src **)&atc->srcs[2],
1511 (struct srcimp **)&atc->srcimps[2]);
1513 mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1515 mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1517 if (atc->model == CTSB1270) {
1518 /* Titanium HD has a dedicated ADC for the Mic. */
1519 dai = container_of(atc->daios[MIC], struct dai, daio);
1520 atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1521 (struct src **)&atc->srcs[4],
1522 (struct srcimp **)&atc->srcimps[4]);
1524 mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
1526 mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
1529 dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1530 atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1531 (struct src **)&atc->srcs[0],
1532 (struct srcimp **)&atc->srcimps[0]);
1535 mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1537 mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1539 for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1541 mixer->set_input_left(mixer, i, &sum->rsc);
1542 sum = atc->pcm[j+1];
1543 mixer->set_input_right(mixer, i, &sum->rsc);
1547 #ifdef CONFIG_PM_SLEEP
1548 static int atc_suspend(struct ct_atc *atc)
1550 struct hw *hw = atc->hw;
1552 snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
1554 atc_release_resources(atc);
1561 static int atc_hw_resume(struct ct_atc *atc)
1563 struct hw *hw = atc->hw;
1564 struct card_conf info = {0};
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);
1573 static int atc_resources_resume(struct ct_atc *atc)
1575 struct ct_mixer *mixer;
1579 err = atc_get_resources(atc);
1581 atc_release_resources(atc);
1585 /* Build topology */
1586 atc_connect_resources(atc);
1589 mixer->resume(mixer);
1594 static int atc_resume(struct ct_atc *atc)
1598 /* Do hardware resume. */
1599 err = atc_hw_resume(atc);
1601 dev_err(atc->card->dev,
1602 "pci_enable_device failed, disabling device\n");
1603 snd_card_disconnect(atc->card);
1607 err = atc_resources_resume(atc);
1611 snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
1617 static const 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,
1657 * ct_atc_create - create and initialize a hardware manager
1658 * @card: corresponding alsa card object
1659 * @pci: corresponding kernel pci device object
1660 * @rsr: reference sampling rate
1661 * @msr: master sampling rate
1662 * @chip_type: CHIPTYP enum values
1663 * @ssid: vendor ID (upper 16 bits) and device ID (lower 16 bits)
1664 * @ratc: return created object address in it
1666 * Creates and initializes a hardware manager.
1668 * Creates kmallocated ct_atc structure. Initializes hardware.
1669 * Returns 0 if succeeds, or negative error code if fails.
1672 int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1673 unsigned int rsr, unsigned int msr,
1674 int chip_type, unsigned int ssid,
1675 struct ct_atc **ratc)
1678 static const struct snd_device_ops ops = {
1679 .dev_free = atc_dev_free,
1685 atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1689 /* Set operations */
1696 atc->chip_type = chip_type;
1698 mutex_init(&atc->atc_mutex);
1700 /* Find card model */
1701 err = atc_identify_card(atc, ssid);
1703 dev_err(card->dev, "ctatc: Card not recognised\n");
1707 /* Set up device virtual memory management object */
1708 err = ct_vm_create(&atc->vm, pci);
1712 /* Create all atc hw devices */
1713 err = atc_create_hw_devs(atc);
1717 err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1719 dev_err(card->dev, "Failed to create mixer obj!!!\n");
1724 err = atc_get_resources(atc);
1728 /* Build topology */
1729 atc_connect_resources(atc);
1731 atc->timer = ct_timer_new(atc);
1737 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1745 ct_atc_destroy(atc);
1746 dev_err(card->dev, "Something wrong!!!\n");