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 struct snd_pci_quirk subsys_20k1_list[] = {
39 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0022, "SB055x", CTSB055X),
40 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x002f, "SB055x", CTSB055X),
41 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0029, "SB073x", CTSB073X),
42 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0031, "SB073x", CTSB073X),
43 SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000, 0x6000,
48 static struct snd_pci_quirk subsys_20k2_list[] = {
49 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
51 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB1270,
53 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
55 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
57 SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
59 SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000,
60 PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "HENDRIX",
65 static const char *ct_subsys_name[NUM_CTCARDS] = {
67 [CTSB055X] = "SB055x",
68 [CTSB073X] = "SB073x",
70 [CT20K1_UNKNOWN] = "Unknown",
72 [CTSB0760] = "SB076x",
73 [CTHENDRIX] = "Hendrix",
74 [CTSB0880] = "SB0880",
75 [CTSB1270] = "SB1270",
76 [CT20K2_UNKNOWN] = "Unknown",
80 int (*create)(struct ct_atc *atc,
81 enum CTALSADEVS device, const char *device_name);
82 int (*destroy)(void *alsa_dev);
83 const char *public_name;
84 } alsa_dev_funcs[NUM_CTALSADEVS] = {
85 [FRONT] = { .create = ct_alsa_pcm_create,
87 .public_name = "Front/WaveIn"},
88 [SURROUND] = { .create = ct_alsa_pcm_create,
90 .public_name = "Surround"},
91 [CLFE] = { .create = ct_alsa_pcm_create,
93 .public_name = "Center/LFE"},
94 [SIDE] = { .create = ct_alsa_pcm_create,
96 .public_name = "Side"},
97 [IEC958] = { .create = ct_alsa_pcm_create,
99 .public_name = "IEC958 Non-audio"},
101 [MIXER] = { .create = ct_alsa_mix_create,
103 .public_name = "Mixer"}
106 typedef int (*create_t)(struct hw *, void **);
107 typedef int (*destroy_t)(void *);
110 int (*create)(struct hw *hw, void **rmgr);
111 int (*destroy)(void *mgr);
112 } rsc_mgr_funcs[NUM_RSCTYP] = {
113 [SRC] = { .create = (create_t)src_mgr_create,
114 .destroy = (destroy_t)src_mgr_destroy },
115 [SRCIMP] = { .create = (create_t)srcimp_mgr_create,
116 .destroy = (destroy_t)srcimp_mgr_destroy },
117 [AMIXER] = { .create = (create_t)amixer_mgr_create,
118 .destroy = (destroy_t)amixer_mgr_destroy },
119 [SUM] = { .create = (create_t)sum_mgr_create,
120 .destroy = (destroy_t)sum_mgr_destroy },
121 [DAIO] = { .create = (create_t)daio_mgr_create,
122 .destroy = (destroy_t)daio_mgr_destroy }
126 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
129 * Only mono and interleaved modes are supported now.
130 * Always allocates a contiguous channel block.
133 static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
135 struct snd_pcm_runtime *runtime;
138 if (!apcm->substream)
141 runtime = apcm->substream->runtime;
144 apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
152 static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
161 vm->unmap(vm, apcm->vm_block);
163 apcm->vm_block = NULL;
166 static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
168 return atc->vm->get_ptp_phys(atc->vm, index);
171 static unsigned int convert_format(snd_pcm_format_t snd_format,
172 struct snd_card *card)
174 switch (snd_format) {
175 case SNDRV_PCM_FORMAT_U8:
177 case SNDRV_PCM_FORMAT_S16_LE:
179 case SNDRV_PCM_FORMAT_S24_3LE:
181 case SNDRV_PCM_FORMAT_S32_LE:
183 case SNDRV_PCM_FORMAT_FLOAT_LE:
186 dev_err(card->dev, "not recognized snd format is %d\n",
193 atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
198 /* get pitch and convert to fixed-point 8.24 format. */
199 pitch = (input_rate / output_rate) << 24;
200 input_rate %= output_rate;
203 for (b = 31; ((b >= 0) && !(input_rate >> b)); )
207 input_rate <<= (31 - b);
208 input_rate /= output_rate;
221 static int select_rom(unsigned int pitch)
223 if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
224 /* 0.26 <= pitch <= 1.72 */
226 } else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
227 /* pitch == 1.8375 */
229 } else if (pitch == 0x02000000) {
232 } else if (pitch <= 0x08000000) {
233 /* 0 <= pitch <= 8 */
240 static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
242 struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
243 struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
244 struct src_desc desc = {0};
245 struct amixer_desc mix_dsc = {0};
247 struct amixer *amixer;
249 int n_amixer = apcm->substream->runtime->channels, i = 0;
250 int device = apcm->substream->pcm->device;
253 /* first release old resources */
254 atc_pcm_release_resources(atc, apcm);
256 /* Get SRC resource */
257 desc.multi = apcm->substream->runtime->channels;
260 err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
264 pitch = atc_get_pitch(apcm->substream->runtime->rate,
265 (atc->rsr * atc->msr));
267 src->ops->set_pitch(src, pitch);
268 src->ops->set_rom(src, select_rom(pitch));
269 src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
271 src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
273 /* Get AMIXER resource */
274 n_amixer = (n_amixer < 2) ? 2 : n_amixer;
275 apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
276 if (!apcm->amixers) {
280 mix_dsc.msr = atc->msr;
281 for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
282 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
283 (struct amixer **)&apcm->amixers[i]);
290 /* Set up device virtual mem map */
291 err = ct_map_audio_buffer(atc, apcm);
295 /* Connect resources */
297 for (i = 0; i < n_amixer; i++) {
298 amixer = apcm->amixers[i];
299 mutex_lock(&atc->atc_mutex);
300 amixer->ops->setup(amixer, &src->rsc,
301 INIT_VOL, atc->pcm[i+device*2]);
302 mutex_unlock(&atc->atc_mutex);
303 src = src->ops->next_interleave(src);
308 ct_timer_prepare(apcm->timer);
313 atc_pcm_release_resources(atc, apcm);
318 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
320 struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
321 struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
322 struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
323 struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
324 struct srcimp *srcimp;
328 for (i = 0; i < apcm->n_srcimp; i++) {
329 srcimp = apcm->srcimps[i];
330 srcimp->ops->unmap(srcimp);
331 srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
332 apcm->srcimps[i] = NULL;
334 kfree(apcm->srcimps);
335 apcm->srcimps = NULL;
339 for (i = 0; i < apcm->n_srcc; i++) {
340 src_mgr->put_src(src_mgr, apcm->srccs[i]);
341 apcm->srccs[i] = NULL;
348 for (i = 0; i < apcm->n_amixer; i++) {
349 amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
350 apcm->amixers[i] = NULL;
352 kfree(apcm->amixers);
353 apcm->amixers = NULL;
357 sum_mgr->put_sum(sum_mgr, apcm->mono);
362 src_mgr->put_src(src_mgr, apcm->src);
366 if (apcm->vm_block) {
367 /* Undo device virtual mem map */
368 ct_unmap_audio_buffer(atc, apcm);
369 apcm->vm_block = NULL;
375 static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
377 unsigned int max_cisz;
378 struct src *src = apcm->src;
384 max_cisz = src->multi * src->rsc.msr;
385 max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
387 src->ops->set_sa(src, apcm->vm_block->addr);
388 src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
389 src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
390 src->ops->set_cisz(src, max_cisz);
392 src->ops->set_bm(src, 1);
393 src->ops->set_state(src, SRC_STATE_INIT);
394 src->ops->commit_write(src);
396 ct_timer_start(apcm->timer);
400 static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
405 ct_timer_stop(apcm->timer);
408 src->ops->set_bm(src, 0);
409 src->ops->set_state(src, SRC_STATE_OFF);
410 src->ops->commit_write(src);
413 for (i = 0; i < apcm->n_srcc; i++) {
414 src = apcm->srccs[i];
415 src->ops->set_bm(src, 0);
416 src->ops->set_state(src, SRC_STATE_OFF);
417 src->ops->commit_write(src);
427 atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
429 struct src *src = apcm->src;
435 position = src->ops->get_ca(src);
437 if (position < apcm->vm_block->addr) {
438 dev_dbg(atc->card->dev,
439 "bad ca - ca=0x%08x, vba=0x%08x, vbs=0x%08x\n",
440 position, apcm->vm_block->addr, apcm->vm_block->size);
441 position = apcm->vm_block->addr;
444 size = apcm->vm_block->size;
445 max_cisz = src->multi * src->rsc.msr;
446 max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
448 return (position + size - max_cisz - apcm->vm_block->addr) % size;
451 struct src_node_conf_t {
454 unsigned int mix_msr:8;
455 unsigned int imp_msr:8;
459 static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
460 struct src_node_conf_t *conf, int *n_srcc)
464 /* get pitch and convert to fixed-point 8.24 format. */
465 pitch = atc_get_pitch((atc->rsr * atc->msr),
466 apcm->substream->runtime->rate);
469 if (1 == atc->msr) { /* FIXME: do we really need SRC here if pitch==1 */
470 *n_srcc = apcm->substream->runtime->channels;
471 conf[0].pitch = pitch;
472 conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
474 } else if (2 <= atc->msr) {
475 if (0x8000000 < pitch) {
476 /* Need two-stage SRCs, SRCIMPs and
477 * AMIXERs for converting format */
478 conf[0].pitch = (atc->msr << 24);
479 conf[0].msr = conf[0].mix_msr = 1;
480 conf[0].imp_msr = atc->msr;
482 conf[1].pitch = atc_get_pitch(atc->rsr,
483 apcm->substream->runtime->rate);
484 conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
486 *n_srcc = apcm->substream->runtime->channels * 2;
487 } else if (0x1000000 < pitch) {
488 /* Need one-stage SRCs, SRCIMPs and
489 * AMIXERs for converting format */
490 conf[0].pitch = pitch;
491 conf[0].msr = conf[0].mix_msr
492 = conf[0].imp_msr = atc->msr;
494 *n_srcc = apcm->substream->runtime->channels;
500 atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
502 struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
503 struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
504 struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
505 struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
506 struct src_desc src_dsc = {0};
508 struct srcimp_desc srcimp_dsc = {0};
509 struct srcimp *srcimp;
510 struct amixer_desc mix_dsc = {0};
511 struct sum_desc sum_dsc = {0};
514 int n_srcimp, n_amixer, n_srcc, n_sum;
515 struct src_node_conf_t src_node_conf[2] = {{0} };
517 /* first release old resources */
518 atc_pcm_release_resources(atc, apcm);
520 /* The numbers of converting SRCs and SRCIMPs should be determined
523 multi = apcm->substream->runtime->channels;
525 /* get pitch and convert to fixed-point 8.24 format. */
526 pitch = atc_get_pitch((atc->rsr * atc->msr),
527 apcm->substream->runtime->rate);
529 setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
530 n_sum = (1 == multi) ? 1 : 0;
531 n_amixer = n_sum * 2 + n_srcc;
533 if ((multi > 1) && (0x8000000 >= pitch)) {
534 /* Need extra AMIXERs and SRCIMPs for special treatment
535 * of interleaved recording of conjugate channels */
536 n_amixer += multi * atc->msr;
537 n_srcimp += multi * atc->msr;
543 apcm->srccs = kcalloc(n_srcc, sizeof(void *), GFP_KERNEL);
548 apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
549 if (!apcm->amixers) {
554 apcm->srcimps = kcalloc(n_srcimp, sizeof(void *), GFP_KERNEL);
555 if (!apcm->srcimps) {
560 /* Allocate SRCs for sample rate conversion if needed */
562 src_dsc.mode = ARCRW;
563 for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
564 src_dsc.msr = src_node_conf[i/multi].msr;
565 err = src_mgr->get_src(src_mgr, &src_dsc,
566 (struct src **)&apcm->srccs[i]);
570 src = apcm->srccs[i];
571 pitch = src_node_conf[i/multi].pitch;
572 src->ops->set_pitch(src, pitch);
573 src->ops->set_rom(src, select_rom(pitch));
574 src->ops->set_vo(src, src_node_conf[i/multi].vo);
579 /* Allocate AMIXERs for routing SRCs of conversion if needed */
580 for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
582 mix_dsc.msr = atc->msr;
583 else if (i < (n_sum*2+n_srcc))
584 mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
588 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
589 (struct amixer **)&apcm->amixers[i]);
596 /* Allocate a SUM resource to mix all input channels together */
597 sum_dsc.msr = atc->msr;
598 err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
602 pitch = atc_get_pitch((atc->rsr * atc->msr),
603 apcm->substream->runtime->rate);
604 /* Allocate SRCIMP resources */
605 for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
607 srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
609 srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
613 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
617 apcm->srcimps[i] = srcimp;
621 /* Allocate a SRC for writing data to host memory */
622 src_dsc.multi = apcm->substream->runtime->channels;
624 src_dsc.mode = MEMWR;
625 err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
630 src->ops->set_pitch(src, pitch);
632 /* Set up device virtual mem map */
633 err = ct_map_audio_buffer(atc, apcm);
640 atc_pcm_release_resources(atc, apcm);
644 static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
647 struct amixer *amixer;
648 struct srcimp *srcimp;
649 struct ct_mixer *mixer = atc->mixer;
651 struct rsc *out_ports[8] = {NULL};
652 int err, i, j, n_sum, multi;
654 int mix_base = 0, imp_base = 0;
656 atc_pcm_release_resources(atc, apcm);
658 /* Get needed resources. */
659 err = atc_pcm_capture_get_resources(atc, apcm);
663 /* Connect resources */
664 mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
665 &out_ports[0], &out_ports[1]);
667 multi = apcm->substream->runtime->channels;
670 for (i = 0; i < 2; i++) {
671 amixer = apcm->amixers[i];
672 amixer->ops->setup(amixer, out_ports[i],
673 MONO_SUM_SCALE, mono);
675 out_ports[0] = &mono->rsc;
677 mix_base = n_sum * 2;
680 for (i = 0; i < apcm->n_srcc; i++) {
681 src = apcm->srccs[i];
682 srcimp = apcm->srcimps[imp_base+i];
683 amixer = apcm->amixers[mix_base+i];
684 srcimp->ops->map(srcimp, src, out_ports[i%multi]);
685 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
686 out_ports[i%multi] = &amixer->rsc;
689 pitch = atc_get_pitch((atc->rsr * atc->msr),
690 apcm->substream->runtime->rate);
692 if ((multi > 1) && (pitch <= 0x8000000)) {
693 /* Special connection for interleaved
694 * recording with conjugate channels */
695 for (i = 0; i < multi; i++) {
696 out_ports[i]->ops->master(out_ports[i]);
697 for (j = 0; j < atc->msr; j++) {
698 amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
699 amixer->ops->set_input(amixer, out_ports[i]);
700 amixer->ops->set_scale(amixer, INIT_VOL);
701 amixer->ops->set_sum(amixer, NULL);
702 amixer->ops->commit_raw_write(amixer);
703 out_ports[i]->ops->next_conj(out_ports[i]);
705 srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
706 srcimp->ops->map(srcimp, apcm->src,
711 for (i = 0; i < multi; i++) {
712 srcimp = apcm->srcimps[apcm->n_srcc+i];
713 srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
717 ct_timer_prepare(apcm->timer);
722 static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
725 struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
732 multi = apcm->substream->runtime->channels;
733 /* Set up converting SRCs */
734 for (i = 0; i < apcm->n_srcc; i++) {
735 src = apcm->srccs[i];
736 src->ops->set_pm(src, ((i%multi) != (multi-1)));
737 src_mgr->src_disable(src_mgr, src);
740 /* Set up recording SRC */
742 src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
744 src->ops->set_sa(src, apcm->vm_block->addr);
745 src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
746 src->ops->set_ca(src, apcm->vm_block->addr);
747 src_mgr->src_disable(src_mgr, src);
749 /* Disable relevant SRCs firstly */
750 src_mgr->commit_write(src_mgr);
752 /* Enable SRCs respectively */
753 for (i = 0; i < apcm->n_srcc; i++) {
754 src = apcm->srccs[i];
755 src->ops->set_state(src, SRC_STATE_RUN);
756 src->ops->commit_write(src);
757 src_mgr->src_enable_s(src_mgr, src);
760 src->ops->set_bm(src, 1);
761 src->ops->set_state(src, SRC_STATE_RUN);
762 src->ops->commit_write(src);
763 src_mgr->src_enable_s(src_mgr, src);
765 /* Enable relevant SRCs synchronously */
766 src_mgr->commit_write(src_mgr);
768 ct_timer_start(apcm->timer);
773 atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
775 struct src *src = apcm->src;
779 return src->ops->get_ca(src) - apcm->vm_block->addr;
782 static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
783 struct ct_atc_pcm *apcm)
785 struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
786 struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
787 struct src_desc desc = {0};
788 struct amixer_desc mix_dsc = {0};
791 int n_amixer = apcm->substream->runtime->channels, i;
792 unsigned int pitch, rsr = atc->pll_rate;
794 /* first release old resources */
795 atc_pcm_release_resources(atc, apcm);
797 /* Get SRC resource */
798 desc.multi = apcm->substream->runtime->channels;
800 while (apcm->substream->runtime->rate > (rsr * desc.msr))
804 err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
808 pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
810 src->ops->set_pitch(src, pitch);
811 src->ops->set_rom(src, select_rom(pitch));
812 src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
814 src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
815 src->ops->set_bp(src, 1);
817 /* Get AMIXER resource */
818 n_amixer = (n_amixer < 2) ? 2 : n_amixer;
819 apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
820 if (!apcm->amixers) {
824 mix_dsc.msr = desc.msr;
825 for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
826 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
827 (struct amixer **)&apcm->amixers[i]);
834 /* Set up device virtual mem map */
835 err = ct_map_audio_buffer(atc, apcm);
842 atc_pcm_release_resources(atc, apcm);
846 static int atc_pll_init(struct ct_atc *atc, int rate)
848 struct hw *hw = atc->hw;
850 err = hw->pll_init(hw, rate);
851 atc->pll_rate = err ? 0 : rate;
856 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
858 struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
859 unsigned int rate = apcm->substream->runtime->rate;
862 unsigned char iec958_con_fs;
866 iec958_con_fs = IEC958_AES3_CON_FS_48000;
869 iec958_con_fs = IEC958_AES3_CON_FS_44100;
872 iec958_con_fs = IEC958_AES3_CON_FS_32000;
878 mutex_lock(&atc->atc_mutex);
879 dao->ops->get_spos(dao, &status);
880 if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
881 status &= ~(IEC958_AES3_CON_FS << 24);
882 status |= (iec958_con_fs << 24);
883 dao->ops->set_spos(dao, status);
884 dao->ops->commit_write(dao);
886 if ((rate != atc->pll_rate) && (32000 != rate))
887 err = atc_pll_init(atc, rate);
888 mutex_unlock(&atc->atc_mutex);
894 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
897 struct amixer *amixer;
902 atc_pcm_release_resources(atc, apcm);
904 /* Configure SPDIFOO and PLL to passthrough mode;
905 * determine pll_rate. */
906 err = spdif_passthru_playback_setup(atc, apcm);
910 /* Get needed resources. */
911 err = spdif_passthru_playback_get_resources(atc, apcm);
915 /* Connect resources */
917 for (i = 0; i < apcm->n_amixer; i++) {
918 amixer = apcm->amixers[i];
919 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
920 src = src->ops->next_interleave(src);
924 /* Connect to SPDIFOO */
925 mutex_lock(&atc->atc_mutex);
926 dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
927 amixer = apcm->amixers[0];
928 dao->ops->set_left_input(dao, &amixer->rsc);
929 amixer = apcm->amixers[1];
930 dao->ops->set_right_input(dao, &amixer->rsc);
931 mutex_unlock(&atc->atc_mutex);
933 ct_timer_prepare(apcm->timer);
938 static int atc_select_line_in(struct ct_atc *atc)
940 struct hw *hw = atc->hw;
941 struct ct_mixer *mixer = atc->mixer;
944 if (hw->is_adc_source_selected(hw, ADC_LINEIN))
947 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
948 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
950 hw->select_adc_source(hw, ADC_LINEIN);
953 mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
955 mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
960 static int atc_select_mic_in(struct ct_atc *atc)
962 struct hw *hw = atc->hw;
963 struct ct_mixer *mixer = atc->mixer;
966 if (hw->is_adc_source_selected(hw, ADC_MICIN))
969 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
970 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
972 hw->select_adc_source(hw, ADC_MICIN);
975 mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
977 mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
982 static struct capabilities atc_capabilities(struct ct_atc *atc)
984 struct hw *hw = atc->hw;
986 return hw->capabilities(hw);
989 static int atc_output_switch_get(struct ct_atc *atc)
991 struct hw *hw = atc->hw;
993 return hw->output_switch_get(hw);
996 static int atc_output_switch_put(struct ct_atc *atc, int position)
998 struct hw *hw = atc->hw;
1000 return hw->output_switch_put(hw, position);
1003 static int atc_mic_source_switch_get(struct ct_atc *atc)
1005 struct hw *hw = atc->hw;
1007 return hw->mic_source_switch_get(hw);
1010 static int atc_mic_source_switch_put(struct ct_atc *atc, int position)
1012 struct hw *hw = atc->hw;
1014 return hw->mic_source_switch_put(hw, position);
1017 static int atc_select_digit_io(struct ct_atc *atc)
1019 struct hw *hw = atc->hw;
1021 if (hw->is_adc_source_selected(hw, ADC_NONE))
1024 hw->select_adc_source(hw, ADC_NONE);
1029 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
1031 struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
1034 daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
1036 daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1038 daio_mgr->commit_write(daio_mgr);
1044 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1046 struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1047 return dao->ops->get_spos(dao, status);
1051 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1053 struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1055 dao->ops->set_spos(dao, status);
1056 dao->ops->commit_write(dao);
1060 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1062 return atc_daio_unmute(atc, state, LINEO1);
1065 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1067 return atc_daio_unmute(atc, state, LINEO2);
1070 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1072 return atc_daio_unmute(atc, state, LINEO3);
1075 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1077 return atc_daio_unmute(atc, state, LINEO4);
1080 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1082 return atc_daio_unmute(atc, state, LINEIM);
1085 static int atc_mic_unmute(struct ct_atc *atc, unsigned char state)
1087 return atc_daio_unmute(atc, state, MIC);
1090 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1092 return atc_daio_unmute(atc, state, SPDIFOO);
1095 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1097 return atc_daio_unmute(atc, state, SPDIFIO);
1100 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1102 return atc_dao_get_status(atc, status, SPDIFOO);
1105 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1107 return atc_dao_set_status(atc, status, SPDIFOO);
1110 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1112 struct dao_desc da_dsc = {0};
1115 struct ct_mixer *mixer = atc->mixer;
1116 struct rsc *rscs[2] = {NULL};
1117 unsigned int spos = 0;
1119 mutex_lock(&atc->atc_mutex);
1120 dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1121 da_dsc.msr = state ? 1 : atc->msr;
1122 da_dsc.passthru = state ? 1 : 0;
1123 err = dao->ops->reinit(dao, &da_dsc);
1125 spos = IEC958_DEFAULT_CON;
1127 mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1128 &rscs[0], &rscs[1]);
1129 dao->ops->set_left_input(dao, rscs[0]);
1130 dao->ops->set_right_input(dao, rscs[1]);
1131 /* Restore PLL to atc->rsr if needed. */
1132 if (atc->pll_rate != atc->rsr)
1133 err = atc_pll_init(atc, atc->rsr);
1135 dao->ops->set_spos(dao, spos);
1136 dao->ops->commit_write(dao);
1137 mutex_unlock(&atc->atc_mutex);
1142 static int atc_release_resources(struct ct_atc *atc)
1145 struct daio_mgr *daio_mgr = NULL;
1146 struct dao *dao = NULL;
1147 struct daio *daio = NULL;
1148 struct sum_mgr *sum_mgr = NULL;
1149 struct src_mgr *src_mgr = NULL;
1150 struct srcimp_mgr *srcimp_mgr = NULL;
1151 struct srcimp *srcimp = NULL;
1152 struct ct_mixer *mixer = NULL;
1154 /* disconnect internal mixer objects */
1157 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1158 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1159 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1160 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1161 mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1162 mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1166 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1167 for (i = 0; i < atc->n_daio; i++) {
1168 daio = atc->daios[i];
1169 if (daio->type < LINEIM) {
1170 dao = container_of(daio, struct dao, daio);
1171 dao->ops->clear_left_input(dao);
1172 dao->ops->clear_right_input(dao);
1174 daio_mgr->put_daio(daio_mgr, daio);
1181 sum_mgr = atc->rsc_mgrs[SUM];
1182 for (i = 0; i < atc->n_pcm; i++)
1183 sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1190 src_mgr = atc->rsc_mgrs[SRC];
1191 for (i = 0; i < atc->n_src; i++)
1192 src_mgr->put_src(src_mgr, atc->srcs[i]);
1199 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1200 for (i = 0; i < atc->n_srcimp; i++) {
1201 srcimp = atc->srcimps[i];
1202 srcimp->ops->unmap(srcimp);
1203 srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1205 kfree(atc->srcimps);
1206 atc->srcimps = NULL;
1212 static int ct_atc_destroy(struct ct_atc *atc)
1220 ct_timer_free(atc->timer);
1224 atc_release_resources(atc);
1226 /* Destroy internal mixer objects */
1228 ct_mixer_destroy(atc->mixer);
1230 for (i = 0; i < NUM_RSCTYP; i++) {
1231 if (rsc_mgr_funcs[i].destroy && atc->rsc_mgrs[i])
1232 rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1237 destroy_hw_obj(atc->hw);
1239 /* Destroy device virtual memory manager object */
1241 ct_vm_destroy(atc->vm);
1250 static int atc_dev_free(struct snd_device *dev)
1252 struct ct_atc *atc = dev->device_data;
1253 return ct_atc_destroy(atc);
1256 static int atc_identify_card(struct ct_atc *atc, unsigned int ssid)
1258 const struct snd_pci_quirk *p;
1259 const struct snd_pci_quirk *list;
1260 u16 vendor_id, device_id;
1262 switch (atc->chip_type) {
1264 atc->chip_name = "20K1";
1265 list = subsys_20k1_list;
1268 atc->chip_name = "20K2";
1269 list = subsys_20k2_list;
1275 vendor_id = ssid >> 16;
1276 device_id = ssid & 0xffff;
1278 vendor_id = atc->pci->subsystem_vendor;
1279 device_id = atc->pci->subsystem_device;
1281 p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
1284 dev_err(atc->card->dev,
1285 "Device %04x:%04x is black-listed\n",
1286 vendor_id, device_id);
1289 atc->model = p->value;
1291 if (atc->chip_type == ATC20K1)
1292 atc->model = CT20K1_UNKNOWN;
1294 atc->model = CT20K2_UNKNOWN;
1296 atc->model_name = ct_subsys_name[atc->model];
1297 dev_info(atc->card->dev, "chip %s model %s (%04x:%04x) is found\n",
1298 atc->chip_name, atc->model_name,
1299 vendor_id, device_id);
1303 int ct_atc_create_alsa_devs(struct ct_atc *atc)
1308 alsa_dev_funcs[MIXER].public_name = atc->chip_name;
1310 for (i = 0; i < NUM_CTALSADEVS; i++) {
1311 if (!alsa_dev_funcs[i].create)
1314 err = alsa_dev_funcs[i].create(atc, i,
1315 alsa_dev_funcs[i].public_name);
1317 dev_err(atc->card->dev,
1318 "Creating alsa device %d failed!\n", i);
1326 static int atc_create_hw_devs(struct ct_atc *atc)
1329 struct card_conf info = {0};
1332 err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
1334 dev_err(atc->card->dev, "Failed to create hw obj!!!\n");
1337 hw->card = atc->card;
1340 /* Initialize card hardware. */
1341 info.rsr = atc->rsr;
1342 info.msr = atc->msr;
1343 info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1344 err = hw->card_init(hw, &info);
1348 for (i = 0; i < NUM_RSCTYP; i++) {
1349 if (!rsc_mgr_funcs[i].create)
1352 err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1354 dev_err(atc->card->dev,
1355 "Failed to create rsc_mgr %d!!!\n", i);
1363 static int atc_get_resources(struct ct_atc *atc)
1365 struct daio_desc da_desc = {0};
1366 struct daio_mgr *daio_mgr;
1367 struct src_desc src_dsc = {0};
1368 struct src_mgr *src_mgr;
1369 struct srcimp_desc srcimp_dsc = {0};
1370 struct srcimp_mgr *srcimp_mgr;
1371 struct sum_desc sum_dsc = {0};
1372 struct sum_mgr *sum_mgr;
1373 int err, i, num_srcs, num_daios;
1375 num_daios = ((atc->model == CTSB1270) ? 8 : 7);
1376 num_srcs = ((atc->model == CTSB1270) ? 6 : 4);
1378 atc->daios = kcalloc(num_daios, sizeof(void *), GFP_KERNEL);
1382 atc->srcs = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1386 atc->srcimps = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1390 atc->pcm = kcalloc(2 * 4, sizeof(void *), GFP_KERNEL);
1394 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1395 da_desc.msr = atc->msr;
1396 for (i = 0, atc->n_daio = 0; i < num_daios; i++) {
1397 da_desc.type = (atc->model != CTSB073X) ? i :
1398 ((i == SPDIFIO) ? SPDIFI1 : i);
1399 err = daio_mgr->get_daio(daio_mgr, &da_desc,
1400 (struct daio **)&atc->daios[i]);
1402 dev_err(atc->card->dev,
1403 "Failed to get DAIO resource %d!!!\n",
1410 src_mgr = atc->rsc_mgrs[SRC];
1412 src_dsc.msr = atc->msr;
1413 src_dsc.mode = ARCRW;
1414 for (i = 0, atc->n_src = 0; i < num_srcs; i++) {
1415 err = src_mgr->get_src(src_mgr, &src_dsc,
1416 (struct src **)&atc->srcs[i]);
1423 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1425 for (i = 0, atc->n_srcimp = 0; i < num_srcs; i++) {
1426 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1427 (struct srcimp **)&atc->srcimps[i]);
1434 sum_mgr = atc->rsc_mgrs[SUM];
1435 sum_dsc.msr = atc->msr;
1436 for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1437 err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1438 (struct sum **)&atc->pcm[i]);
1449 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1450 struct src **srcs, struct srcimp **srcimps)
1452 struct rsc *rscs[2] = {NULL};
1454 struct srcimp *srcimp;
1457 rscs[0] = &dai->daio.rscl;
1458 rscs[1] = &dai->daio.rscr;
1459 for (i = 0; i < 2; i++) {
1461 srcimp = srcimps[i];
1462 srcimp->ops->map(srcimp, src, rscs[i]);
1463 src_mgr->src_disable(src_mgr, src);
1466 src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1469 src->ops->set_pm(src, 1);
1470 for (i = 0; i < 2; i++) {
1472 src->ops->set_state(src, SRC_STATE_RUN);
1473 src->ops->commit_write(src);
1474 src_mgr->src_enable_s(src_mgr, src);
1477 dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1478 dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1480 dai->ops->set_enb_src(dai, 1);
1481 dai->ops->set_enb_srt(dai, 1);
1482 dai->ops->commit_write(dai);
1484 src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1487 static void atc_connect_resources(struct ct_atc *atc)
1493 struct ct_mixer *mixer;
1494 struct rsc *rscs[2] = {NULL};
1499 for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1500 mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1501 dao = container_of(atc->daios[j], struct dao, daio);
1502 dao->ops->set_left_input(dao, rscs[0]);
1503 dao->ops->set_right_input(dao, rscs[1]);
1506 dai = container_of(atc->daios[LINEIM], struct dai, daio);
1507 atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1508 (struct src **)&atc->srcs[2],
1509 (struct srcimp **)&atc->srcimps[2]);
1511 mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1513 mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1515 if (atc->model == CTSB1270) {
1516 /* Titanium HD has a dedicated ADC for the Mic. */
1517 dai = container_of(atc->daios[MIC], struct dai, daio);
1518 atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1519 (struct src **)&atc->srcs[4],
1520 (struct srcimp **)&atc->srcimps[4]);
1522 mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
1524 mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
1527 dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1528 atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1529 (struct src **)&atc->srcs[0],
1530 (struct srcimp **)&atc->srcimps[0]);
1533 mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1535 mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1537 for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1539 mixer->set_input_left(mixer, i, &sum->rsc);
1540 sum = atc->pcm[j+1];
1541 mixer->set_input_right(mixer, i, &sum->rsc);
1545 #ifdef CONFIG_PM_SLEEP
1546 static int atc_suspend(struct ct_atc *atc)
1548 struct hw *hw = atc->hw;
1550 snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
1552 atc_release_resources(atc);
1559 static int atc_hw_resume(struct ct_atc *atc)
1561 struct hw *hw = atc->hw;
1562 struct card_conf info = {0};
1564 /* Re-initialize card hardware. */
1565 info.rsr = atc->rsr;
1566 info.msr = atc->msr;
1567 info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1568 return hw->resume(hw, &info);
1571 static int atc_resources_resume(struct ct_atc *atc)
1573 struct ct_mixer *mixer;
1577 err = atc_get_resources(atc);
1579 atc_release_resources(atc);
1583 /* Build topology */
1584 atc_connect_resources(atc);
1587 mixer->resume(mixer);
1592 static int atc_resume(struct ct_atc *atc)
1596 /* Do hardware resume. */
1597 err = atc_hw_resume(atc);
1599 dev_err(atc->card->dev,
1600 "pci_enable_device failed, disabling device\n");
1601 snd_card_disconnect(atc->card);
1605 err = atc_resources_resume(atc);
1609 snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
1615 static const struct ct_atc atc_preset = {
1616 .map_audio_buffer = ct_map_audio_buffer,
1617 .unmap_audio_buffer = ct_unmap_audio_buffer,
1618 .pcm_playback_prepare = atc_pcm_playback_prepare,
1619 .pcm_release_resources = atc_pcm_release_resources,
1620 .pcm_playback_start = atc_pcm_playback_start,
1621 .pcm_playback_stop = atc_pcm_stop,
1622 .pcm_playback_position = atc_pcm_playback_position,
1623 .pcm_capture_prepare = atc_pcm_capture_prepare,
1624 .pcm_capture_start = atc_pcm_capture_start,
1625 .pcm_capture_stop = atc_pcm_stop,
1626 .pcm_capture_position = atc_pcm_capture_position,
1627 .spdif_passthru_playback_prepare = spdif_passthru_playback_prepare,
1628 .get_ptp_phys = atc_get_ptp_phys,
1629 .select_line_in = atc_select_line_in,
1630 .select_mic_in = atc_select_mic_in,
1631 .select_digit_io = atc_select_digit_io,
1632 .line_front_unmute = atc_line_front_unmute,
1633 .line_surround_unmute = atc_line_surround_unmute,
1634 .line_clfe_unmute = atc_line_clfe_unmute,
1635 .line_rear_unmute = atc_line_rear_unmute,
1636 .line_in_unmute = atc_line_in_unmute,
1637 .mic_unmute = atc_mic_unmute,
1638 .spdif_out_unmute = atc_spdif_out_unmute,
1639 .spdif_in_unmute = atc_spdif_in_unmute,
1640 .spdif_out_get_status = atc_spdif_out_get_status,
1641 .spdif_out_set_status = atc_spdif_out_set_status,
1642 .spdif_out_passthru = atc_spdif_out_passthru,
1643 .capabilities = atc_capabilities,
1644 .output_switch_get = atc_output_switch_get,
1645 .output_switch_put = atc_output_switch_put,
1646 .mic_source_switch_get = atc_mic_source_switch_get,
1647 .mic_source_switch_put = atc_mic_source_switch_put,
1648 #ifdef CONFIG_PM_SLEEP
1649 .suspend = atc_suspend,
1650 .resume = atc_resume,
1655 * ct_atc_create - create and initialize a hardware manager
1656 * @card: corresponding alsa card object
1657 * @pci: corresponding kernel pci device object
1658 * @ratc: return created object address in it
1660 * Creates and initializes a hardware manager.
1662 * Creates kmallocated ct_atc structure. Initializes hardware.
1663 * Returns 0 if succeeds, or negative error code if fails.
1666 int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1667 unsigned int rsr, unsigned int msr,
1668 int chip_type, unsigned int ssid,
1669 struct ct_atc **ratc)
1672 static struct snd_device_ops ops = {
1673 .dev_free = atc_dev_free,
1679 atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1683 /* Set operations */
1690 atc->chip_type = chip_type;
1692 mutex_init(&atc->atc_mutex);
1694 /* Find card model */
1695 err = atc_identify_card(atc, ssid);
1697 dev_err(card->dev, "ctatc: Card not recognised\n");
1701 /* Set up device virtual memory management object */
1702 err = ct_vm_create(&atc->vm, pci);
1706 /* Create all atc hw devices */
1707 err = atc_create_hw_devs(atc);
1711 err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1713 dev_err(card->dev, "Failed to create mixer obj!!!\n");
1718 err = atc_get_resources(atc);
1722 /* Build topology */
1723 atc_connect_resources(atc);
1725 atc->timer = ct_timer_new(atc);
1731 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1739 ct_atc_destroy(atc);
1740 dev_err(card->dev, "Something wrong!!!\n");