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v5.9
   1// SPDX-License-Identifier: GPL-2.0-only
   2/**
   3 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   4 *
   5 * @File    ctatc.c
   6 *
   7 * @Brief
   8 * This file contains the implementation of the device resource management
   9 * object.
  10 *
  11 * @Author Liu Chun
  12 * @Date Mar 28 2008
  13 */
  14
  15#include "ctatc.h"
  16#include "ctpcm.h"
  17#include "ctmixer.h"
  18#include "ctsrc.h"
  19#include "ctamixer.h"
  20#include "ctdaio.h"
  21#include "cttimer.h"
  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>
  27
  28#define MONO_SUM_SCALE	0x19a8	/* 2^(-0.5) in 14-bit floating format */
  29#define MAX_MULTI_CHN	8
  30
  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) \
  35			    | (0x10 << 16) \
  36			    | ((IEC958_AES3_CON_FS_48000) << 24))
  37
  38static const 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,
  44			   "UAA", CTUAA),
  45	{ } /* terminator */
  46};
  47
  48static const struct snd_pci_quirk subsys_20k2_list[] = {
  49	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
  50		      "SB0760", CTSB0760),
  51	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB1270,
  52		      "SB1270", CTSB1270),
  53	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
  54		      "SB0880", CTSB0880),
  55	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
  56		      "SB0880", CTSB0880),
  57	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
  58		      "SB0880", CTSB0880),
  59	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000,
  60			   PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "HENDRIX",
  61			   CTHENDRIX),
  62	{ } /* terminator */
  63};
  64
  65static const char *ct_subsys_name[NUM_CTCARDS] = {
  66	/* 20k1 models */
 
  67	[CTSB055X]	= "SB055x",
  68	[CTSB073X]	= "SB073x",
  69	[CTUAA]		= "UAA",
  70	[CT20K1_UNKNOWN] = "Unknown",
  71	/* 20k2 models */
  72	[CTSB0760]	= "SB076x",
  73	[CTHENDRIX]	= "Hendrix",
  74	[CTSB0880]	= "SB0880",
  75	[CTSB1270]      = "SB1270",
  76	[CT20K2_UNKNOWN] = "Unknown",
  77};
  78
  79static struct {
  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,
  86			    .destroy = NULL,
  87			    .public_name = "Front/WaveIn"},
  88	[SURROUND]	= { .create = ct_alsa_pcm_create,
  89			    .destroy = NULL,
  90			    .public_name = "Surround"},
  91	[CLFE]		= { .create = ct_alsa_pcm_create,
  92			    .destroy = NULL,
  93			    .public_name = "Center/LFE"},
  94	[SIDE]		= { .create = ct_alsa_pcm_create,
  95			    .destroy = NULL,
  96			    .public_name = "Side"},
  97	[IEC958]	= { .create = ct_alsa_pcm_create,
  98			    .destroy = NULL,
  99			    .public_name = "IEC958 Non-audio"},
 100
 101	[MIXER]		= { .create = ct_alsa_mix_create,
 102			    .destroy = NULL,
 103			    .public_name = "Mixer"}
 104};
 105
 106typedef int (*create_t)(struct hw *, void **);
 107typedef int (*destroy_t)(void *);
 108
 109static struct {
 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	}
 123};
 124
 125static int
 126atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 127
 128/* *
 129 * Only mono and interleaved modes are supported now.
 130 * Always allocates a contiguous channel block.
 131 * */
 132
 133static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 134{
 135	struct snd_pcm_runtime *runtime;
 136	struct ct_vm *vm;
 137
 138	if (!apcm->substream)
 139		return 0;
 140
 141	runtime = apcm->substream->runtime;
 142	vm = atc->vm;
 143
 144	apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
 145
 146	if (!apcm->vm_block)
 147		return -ENOENT;
 148
 149	return 0;
 150}
 151
 152static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 153{
 154	struct ct_vm *vm;
 155
 156	if (!apcm->vm_block)
 157		return;
 158
 159	vm = atc->vm;
 160
 161	vm->unmap(vm, apcm->vm_block);
 162
 163	apcm->vm_block = NULL;
 164}
 165
 166static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
 167{
 168	return atc->vm->get_ptp_phys(atc->vm, index);
 169}
 170
 171static unsigned int convert_format(snd_pcm_format_t snd_format,
 172				   struct snd_card *card)
 173{
 174	switch (snd_format) {
 175	case SNDRV_PCM_FORMAT_U8:
 176		return SRC_SF_U8;
 177	case SNDRV_PCM_FORMAT_S16_LE:
 178		return SRC_SF_S16;
 179	case SNDRV_PCM_FORMAT_S24_3LE:
 180		return SRC_SF_S24;
 181	case SNDRV_PCM_FORMAT_S32_LE:
 182		return SRC_SF_S32;
 183	case SNDRV_PCM_FORMAT_FLOAT_LE:
 184		return SRC_SF_F32;
 185	default:
 186		dev_err(card->dev, "not recognized snd format is %d\n",
 187			snd_format);
 188		return SRC_SF_S16;
 189	}
 190}
 191
 192static unsigned int
 193atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
 194{
 195	unsigned int pitch;
 196	int b;
 197
 198	/* get pitch and convert to fixed-point 8.24 format. */
 199	pitch = (input_rate / output_rate) << 24;
 200	input_rate %= output_rate;
 201	input_rate /= 100;
 202	output_rate /= 100;
 203	for (b = 31; ((b >= 0) && !(input_rate >> b)); )
 204		b--;
 205
 206	if (b >= 0) {
 207		input_rate <<= (31 - b);
 208		input_rate /= output_rate;
 209		b = 24 - (31 - b);
 210		if (b >= 0)
 211			input_rate <<= b;
 212		else
 213			input_rate >>= -b;
 214
 215		pitch |= input_rate;
 216	}
 217
 218	return pitch;
 219}
 220
 221static int select_rom(unsigned int pitch)
 222{
 223	if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
 224		/* 0.26 <= pitch <= 1.72 */
 225		return 1;
 226	} else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
 227		/* pitch == 1.8375 */
 228		return 2;
 229	} else if (pitch == 0x02000000) {
 230		/* pitch == 2 */
 231		return 3;
 232	} else if (pitch <= 0x08000000) {
 233		/* 0 <= pitch <= 8 */
 234		return 0;
 235	} else {
 236		return -ENOENT;
 237	}
 238}
 239
 240static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 241{
 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};
 246	struct src *src;
 247	struct amixer *amixer;
 248	int err;
 249	int n_amixer = apcm->substream->runtime->channels, i = 0;
 250	int device = apcm->substream->pcm->device;
 251	unsigned int pitch;
 252
 253	/* first release old resources */
 254	atc_pcm_release_resources(atc, apcm);
 255
 256	/* Get SRC resource */
 257	desc.multi = apcm->substream->runtime->channels;
 258	desc.msr = atc->msr;
 259	desc.mode = MEMRD;
 260	err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 261	if (err)
 262		goto error1;
 263
 264	pitch = atc_get_pitch(apcm->substream->runtime->rate,
 265						(atc->rsr * atc->msr));
 266	src = apcm->src;
 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,
 270					     atc->card));
 271	src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 272
 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) {
 277		err = -ENOMEM;
 278		goto error1;
 279	}
 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]);
 284		if (err)
 285			goto error1;
 286
 287		apcm->n_amixer++;
 288	}
 289
 290	/* Set up device virtual mem map */
 291	err = ct_map_audio_buffer(atc, apcm);
 292	if (err < 0)
 293		goto error1;
 294
 295	/* Connect resources */
 296	src = apcm->src;
 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);
 304		if (!src)
 305			src = apcm->src;
 306	}
 307
 308	ct_timer_prepare(apcm->timer);
 309
 310	return 0;
 311
 312error1:
 313	atc_pcm_release_resources(atc, apcm);
 314	return err;
 315}
 316
 317static int
 318atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 319{
 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;
 325	int i;
 326
 327	if (apcm->srcimps) {
 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;
 333		}
 334		kfree(apcm->srcimps);
 335		apcm->srcimps = NULL;
 336	}
 337
 338	if (apcm->srccs) {
 339		for (i = 0; i < apcm->n_srcc; i++) {
 340			src_mgr->put_src(src_mgr, apcm->srccs[i]);
 341			apcm->srccs[i] = NULL;
 342		}
 343		kfree(apcm->srccs);
 344		apcm->srccs = NULL;
 345	}
 346
 347	if (apcm->amixers) {
 348		for (i = 0; i < apcm->n_amixer; i++) {
 349			amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
 350			apcm->amixers[i] = NULL;
 351		}
 352		kfree(apcm->amixers);
 353		apcm->amixers = NULL;
 354	}
 355
 356	if (apcm->mono) {
 357		sum_mgr->put_sum(sum_mgr, apcm->mono);
 358		apcm->mono = NULL;
 359	}
 360
 361	if (apcm->src) {
 362		src_mgr->put_src(src_mgr, apcm->src);
 363		apcm->src = NULL;
 364	}
 365
 366	if (apcm->vm_block) {
 367		/* Undo device virtual mem map */
 368		ct_unmap_audio_buffer(atc, apcm);
 369		apcm->vm_block = NULL;
 370	}
 371
 372	return 0;
 373}
 374
 375static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 376{
 377	unsigned int max_cisz;
 378	struct src *src = apcm->src;
 379
 380	if (apcm->started)
 381		return 0;
 382	apcm->started = 1;
 383
 384	max_cisz = src->multi * src->rsc.msr;
 385	max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
 386
 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);
 391
 392	src->ops->set_bm(src, 1);
 393	src->ops->set_state(src, SRC_STATE_INIT);
 394	src->ops->commit_write(src);
 395
 396	ct_timer_start(apcm->timer);
 397	return 0;
 398}
 399
 400static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 401{
 402	struct src *src;
 403	int i;
 404
 405	ct_timer_stop(apcm->timer);
 406
 407	src = apcm->src;
 408	src->ops->set_bm(src, 0);
 409	src->ops->set_state(src, SRC_STATE_OFF);
 410	src->ops->commit_write(src);
 411
 412	if (apcm->srccs) {
 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);
 418		}
 419	}
 420
 421	apcm->started = 0;
 422
 423	return 0;
 424}
 425
 426static int
 427atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 428{
 429	struct src *src = apcm->src;
 430	u32 size, max_cisz;
 431	int position;
 432
 433	if (!src)
 434		return 0;
 435	position = src->ops->get_ca(src);
 436
 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;
 442	}
 443
 444	size = apcm->vm_block->size;
 445	max_cisz = src->multi * src->rsc.msr;
 446	max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
 447
 448	return (position + size - max_cisz - apcm->vm_block->addr) % size;
 449}
 450
 451struct src_node_conf_t {
 452	unsigned int pitch;
 453	unsigned int msr:8;
 454	unsigned int mix_msr:8;
 455	unsigned int imp_msr:8;
 456	unsigned int vo:1;
 457};
 458
 459static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
 460				struct src_node_conf_t *conf, int *n_srcc)
 461{
 462	unsigned int pitch;
 463
 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);
 467	*n_srcc = 0;
 468
 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;
 473		conf[0].vo = 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;
 481			conf[0].vo = 0;
 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;
 485			conf[1].vo = 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;
 493			conf[0].vo = 1;
 494			*n_srcc = apcm->substream->runtime->channels;
 495		}
 496	}
 497}
 498
 499static int
 500atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 501{
 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};
 507	struct src *src;
 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};
 512	unsigned int pitch;
 513	int multi, err, i;
 514	int n_srcimp, n_amixer, n_srcc, n_sum;
 515	struct src_node_conf_t src_node_conf[2] = {{0} };
 516
 517	/* first release old resources */
 518	atc_pcm_release_resources(atc, apcm);
 519
 520	/* The numbers of converting SRCs and SRCIMPs should be determined
 521	 * by pitch value. */
 522
 523	multi = apcm->substream->runtime->channels;
 524
 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);
 528
 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;
 532	n_srcimp = 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;
 538	} else {
 539		n_srcimp += multi;
 540	}
 541
 542	if (n_srcc) {
 543		apcm->srccs = kcalloc(n_srcc, sizeof(void *), GFP_KERNEL);
 544		if (!apcm->srccs)
 545			return -ENOMEM;
 546	}
 547	if (n_amixer) {
 548		apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
 549		if (!apcm->amixers) {
 550			err = -ENOMEM;
 551			goto error1;
 552		}
 553	}
 554	apcm->srcimps = kcalloc(n_srcimp, sizeof(void *), GFP_KERNEL);
 555	if (!apcm->srcimps) {
 556		err = -ENOMEM;
 557		goto error1;
 558	}
 559
 560	/* Allocate SRCs for sample rate conversion if needed */
 561	src_dsc.multi = 1;
 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]);
 567		if (err)
 568			goto error1;
 569
 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);
 575
 576		apcm->n_srcc++;
 577	}
 578
 579	/* Allocate AMIXERs for routing SRCs of conversion if needed */
 580	for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 581		if (i < (n_sum*2))
 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;
 585		else
 586			mix_dsc.msr = 1;
 587
 588		err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 589					(struct amixer **)&apcm->amixers[i]);
 590		if (err)
 591			goto error1;
 592
 593		apcm->n_amixer++;
 594	}
 595
 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);
 599	if (err)
 600		goto error1;
 601
 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++) {
 606		if (i < (n_srcc))
 607			srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
 608		else if (1 == multi)
 609			srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
 610		else
 611			srcimp_dsc.msr = 1;
 612
 613		err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
 614		if (err)
 615			goto error1;
 616
 617		apcm->srcimps[i] = srcimp;
 618		apcm->n_srcimp++;
 619	}
 620
 621	/* Allocate a SRC for writing data to host memory */
 622	src_dsc.multi = apcm->substream->runtime->channels;
 623	src_dsc.msr = 1;
 624	src_dsc.mode = MEMWR;
 625	err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
 626	if (err)
 627		goto error1;
 628
 629	src = apcm->src;
 630	src->ops->set_pitch(src, pitch);
 631
 632	/* Set up device virtual mem map */
 633	err = ct_map_audio_buffer(atc, apcm);
 634	if (err < 0)
 635		goto error1;
 636
 637	return 0;
 638
 639error1:
 640	atc_pcm_release_resources(atc, apcm);
 641	return err;
 642}
 643
 644static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 645{
 646	struct src *src;
 647	struct amixer *amixer;
 648	struct srcimp *srcimp;
 649	struct ct_mixer *mixer = atc->mixer;
 650	struct sum *mono;
 651	struct rsc *out_ports[8] = {NULL};
 652	int err, i, j, n_sum, multi;
 653	unsigned int pitch;
 654	int mix_base = 0, imp_base = 0;
 655
 656	atc_pcm_release_resources(atc, apcm);
 657
 658	/* Get needed resources. */
 659	err = atc_pcm_capture_get_resources(atc, apcm);
 660	if (err)
 661		return err;
 662
 663	/* Connect resources */
 664	mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
 665				&out_ports[0], &out_ports[1]);
 666
 667	multi = apcm->substream->runtime->channels;
 668	if (1 == multi) {
 669		mono = apcm->mono;
 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);
 674		}
 675		out_ports[0] = &mono->rsc;
 676		n_sum = 1;
 677		mix_base = n_sum * 2;
 678	}
 679
 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;
 687	}
 688
 689	pitch = atc_get_pitch((atc->rsr * atc->msr),
 690				apcm->substream->runtime->rate);
 691
 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]);
 704
 705				srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
 706				srcimp->ops->map(srcimp, apcm->src,
 707							&amixer->rsc);
 708			}
 709		}
 710	} else {
 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]);
 714		}
 715	}
 716
 717	ct_timer_prepare(apcm->timer);
 718
 719	return 0;
 720}
 721
 722static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 723{
 724	struct src *src;
 725	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 726	int i, multi;
 727
 728	if (apcm->started)
 729		return 0;
 730
 731	apcm->started = 1;
 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);
 738	}
 739
 740	/*  Set up recording SRC */
 741	src = apcm->src;
 742	src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
 743					     atc->card));
 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);
 748
 749	/* Disable relevant SRCs firstly */
 750	src_mgr->commit_write(src_mgr);
 751
 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);
 758	}
 759	src = apcm->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);
 764
 765	/* Enable relevant SRCs synchronously */
 766	src_mgr->commit_write(src_mgr);
 767
 768	ct_timer_start(apcm->timer);
 769	return 0;
 770}
 771
 772static int
 773atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 774{
 775	struct src *src = apcm->src;
 776
 777	if (!src)
 778		return 0;
 779	return src->ops->get_ca(src) - apcm->vm_block->addr;
 780}
 781
 782static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
 783						 struct ct_atc_pcm *apcm)
 784{
 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};
 789	struct src *src;
 790	int err;
 791	int n_amixer = apcm->substream->runtime->channels, i;
 792	unsigned int pitch, rsr = atc->pll_rate;
 793
 794	/* first release old resources */
 795	atc_pcm_release_resources(atc, apcm);
 796
 797	/* Get SRC resource */
 798	desc.multi = apcm->substream->runtime->channels;
 799	desc.msr = 1;
 800	while (apcm->substream->runtime->rate > (rsr * desc.msr))
 801		desc.msr <<= 1;
 802
 803	desc.mode = MEMRD;
 804	err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 805	if (err)
 806		goto error1;
 807
 808	pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
 809	src = apcm->src;
 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,
 813					     atc->card));
 814	src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 815	src->ops->set_bp(src, 1);
 816
 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) {
 821		err = -ENOMEM;
 822		goto error1;
 823	}
 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]);
 828		if (err)
 829			goto error1;
 830
 831		apcm->n_amixer++;
 832	}
 833
 834	/* Set up device virtual mem map */
 835	err = ct_map_audio_buffer(atc, apcm);
 836	if (err < 0)
 837		goto error1;
 838
 839	return 0;
 840
 841error1:
 842	atc_pcm_release_resources(atc, apcm);
 843	return err;
 844}
 845
 846static int atc_pll_init(struct ct_atc *atc, int rate)
 847{
 848	struct hw *hw = atc->hw;
 849	int err;
 850	err = hw->pll_init(hw, rate);
 851	atc->pll_rate = err ? 0 : rate;
 852	return err;
 853}
 854
 855static int
 856spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 857{
 858	struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 859	unsigned int rate = apcm->substream->runtime->rate;
 860	unsigned int status;
 861	int err = 0;
 862	unsigned char iec958_con_fs;
 863
 864	switch (rate) {
 865	case 48000:
 866		iec958_con_fs = IEC958_AES3_CON_FS_48000;
 867		break;
 868	case 44100:
 869		iec958_con_fs = IEC958_AES3_CON_FS_44100;
 870		break;
 871	case 32000:
 872		iec958_con_fs = IEC958_AES3_CON_FS_32000;
 873		break;
 874	default:
 875		return -ENOENT;
 876	}
 877
 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);
 885	}
 886	if ((rate != atc->pll_rate) && (32000 != rate))
 887		err = atc_pll_init(atc, rate);
 888	mutex_unlock(&atc->atc_mutex);
 889
 890	return err;
 891}
 892
 893static int
 894spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 895{
 896	struct src *src;
 897	struct amixer *amixer;
 898	struct dao *dao;
 899	int err;
 900	int i;
 901
 902	atc_pcm_release_resources(atc, apcm);
 903
 904	/* Configure SPDIFOO and PLL to passthrough mode;
 905	 * determine pll_rate. */
 906	err = spdif_passthru_playback_setup(atc, apcm);
 907	if (err)
 908		return err;
 909
 910	/* Get needed resources. */
 911	err = spdif_passthru_playback_get_resources(atc, apcm);
 912	if (err)
 913		return err;
 914
 915	/* Connect resources */
 916	src = apcm->src;
 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);
 921		if (!src)
 922			src = apcm->src;
 923	}
 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);
 932
 933	ct_timer_prepare(apcm->timer);
 934
 935	return 0;
 936}
 937
 938static int atc_select_line_in(struct ct_atc *atc)
 939{
 940	struct hw *hw = atc->hw;
 941	struct ct_mixer *mixer = atc->mixer;
 942	struct src *src;
 943
 944	if (hw->is_adc_source_selected(hw, ADC_LINEIN))
 945		return 0;
 946
 947	mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
 948	mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
 949
 950	hw->select_adc_source(hw, ADC_LINEIN);
 951
 952	src = atc->srcs[2];
 953	mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
 954	src = atc->srcs[3];
 955	mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
 956
 957	return 0;
 958}
 959
 960static int atc_select_mic_in(struct ct_atc *atc)
 961{
 962	struct hw *hw = atc->hw;
 963	struct ct_mixer *mixer = atc->mixer;
 964	struct src *src;
 965
 966	if (hw->is_adc_source_selected(hw, ADC_MICIN))
 967		return 0;
 968
 969	mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
 970	mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
 971
 972	hw->select_adc_source(hw, ADC_MICIN);
 973
 974	src = atc->srcs[2];
 975	mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
 976	src = atc->srcs[3];
 977	mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
 978
 979	return 0;
 980}
 981
 982static struct capabilities atc_capabilities(struct ct_atc *atc)
 983{
 984	struct hw *hw = atc->hw;
 985
 986	return hw->capabilities(hw);
 987}
 988
 989static int atc_output_switch_get(struct ct_atc *atc)
 990{
 991	struct hw *hw = atc->hw;
 992
 993	return hw->output_switch_get(hw);
 994}
 995
 996static int atc_output_switch_put(struct ct_atc *atc, int position)
 997{
 998	struct hw *hw = atc->hw;
 999
1000	return hw->output_switch_put(hw, position);
1001}
1002
1003static int atc_mic_source_switch_get(struct ct_atc *atc)
1004{
1005	struct hw *hw = atc->hw;
1006
1007	return hw->mic_source_switch_get(hw);
1008}
1009
1010static int atc_mic_source_switch_put(struct ct_atc *atc, int position)
1011{
1012	struct hw *hw = atc->hw;
1013
1014	return hw->mic_source_switch_put(hw, position);
1015}
1016
1017static int atc_select_digit_io(struct ct_atc *atc)
1018{
1019	struct hw *hw = atc->hw;
1020
1021	if (hw->is_adc_source_selected(hw, ADC_NONE))
1022		return 0;
1023
1024	hw->select_adc_source(hw, ADC_NONE);
1025
1026	return 0;
1027}
1028
1029static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
1030{
1031	struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
1032
1033	if (state)
1034		daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
1035	else
1036		daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1037
1038	daio_mgr->commit_write(daio_mgr);
1039
1040	return 0;
1041}
1042
1043static int
1044atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1045{
1046	struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1047	return dao->ops->get_spos(dao, status);
1048}
1049
1050static int
1051atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1052{
1053	struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1054
1055	dao->ops->set_spos(dao, status);
1056	dao->ops->commit_write(dao);
1057	return 0;
1058}
1059
1060static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1061{
1062	return atc_daio_unmute(atc, state, LINEO1);
1063}
1064
1065static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1066{
1067	return atc_daio_unmute(atc, state, LINEO2);
1068}
1069
1070static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1071{
1072	return atc_daio_unmute(atc, state, LINEO3);
1073}
1074
1075static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1076{
1077	return atc_daio_unmute(atc, state, LINEO4);
1078}
1079
1080static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1081{
1082	return atc_daio_unmute(atc, state, LINEIM);
1083}
1084
1085static int atc_mic_unmute(struct ct_atc *atc, unsigned char state)
1086{
1087	return atc_daio_unmute(atc, state, MIC);
1088}
1089
1090static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1091{
1092	return atc_daio_unmute(atc, state, SPDIFOO);
1093}
1094
1095static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1096{
1097	return atc_daio_unmute(atc, state, SPDIFIO);
1098}
1099
1100static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1101{
1102	return atc_dao_get_status(atc, status, SPDIFOO);
1103}
1104
1105static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1106{
1107	return atc_dao_set_status(atc, status, SPDIFOO);
1108}
1109
1110static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1111{
1112	struct dao_desc da_dsc = {0};
1113	struct dao *dao;
1114	int err;
1115	struct ct_mixer *mixer = atc->mixer;
1116	struct rsc *rscs[2] = {NULL};
1117	unsigned int spos = 0;
1118
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);
1124	if (state) {
1125		spos = IEC958_DEFAULT_CON;
1126	} else {
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);
1134	}
1135	dao->ops->set_spos(dao, spos);
1136	dao->ops->commit_write(dao);
1137	mutex_unlock(&atc->atc_mutex);
1138
1139	return err;
1140}
1141
1142static int atc_release_resources(struct ct_atc *atc)
1143{
1144	int i;
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;
1153
1154	/* disconnect internal mixer objects */
1155	if (atc->mixer) {
1156		mixer = atc->mixer;
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);
1163	}
1164
1165	if (atc->daios) {
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);
1173			}
1174			daio_mgr->put_daio(daio_mgr, daio);
1175		}
1176		kfree(atc->daios);
1177		atc->daios = NULL;
1178	}
1179
1180	if (atc->pcm) {
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]);
1184
1185		kfree(atc->pcm);
1186		atc->pcm = NULL;
1187	}
1188
1189	if (atc->srcs) {
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]);
1193
1194		kfree(atc->srcs);
1195		atc->srcs = NULL;
1196	}
1197
1198	if (atc->srcimps) {
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]);
1204		}
1205		kfree(atc->srcimps);
1206		atc->srcimps = NULL;
1207	}
1208
1209	return 0;
1210}
1211
1212static int ct_atc_destroy(struct ct_atc *atc)
1213{
1214	int i = 0;
1215
1216	if (!atc)
1217		return 0;
1218
1219	if (atc->timer) {
1220		ct_timer_free(atc->timer);
1221		atc->timer = NULL;
1222	}
1223
1224	atc_release_resources(atc);
1225
1226	/* Destroy internal mixer objects */
1227	if (atc->mixer)
1228		ct_mixer_destroy(atc->mixer);
1229
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]);
1233
1234	}
1235
1236	if (atc->hw)
1237		destroy_hw_obj(atc->hw);
1238
1239	/* Destroy device virtual memory manager object */
1240	if (atc->vm) {
1241		ct_vm_destroy(atc->vm);
1242		atc->vm = NULL;
1243	}
1244
1245	kfree(atc);
1246
1247	return 0;
1248}
1249
1250static int atc_dev_free(struct snd_device *dev)
1251{
1252	struct ct_atc *atc = dev->device_data;
1253	return ct_atc_destroy(atc);
1254}
1255
1256static int atc_identify_card(struct ct_atc *atc, unsigned int ssid)
1257{
1258	const struct snd_pci_quirk *p;
1259	const struct snd_pci_quirk *list;
1260	u16 vendor_id, device_id;
1261
1262	switch (atc->chip_type) {
1263	case ATC20K1:
1264		atc->chip_name = "20K1";
1265		list = subsys_20k1_list;
1266		break;
1267	case ATC20K2:
1268		atc->chip_name = "20K2";
1269		list = subsys_20k2_list;
1270		break;
1271	default:
1272		return -ENOENT;
1273	}
1274	if (ssid) {
1275		vendor_id = ssid >> 16;
1276		device_id = ssid & 0xffff;
1277	} else {
1278		vendor_id = atc->pci->subsystem_vendor;
1279		device_id = atc->pci->subsystem_device;
1280	}
1281	p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
1282	if (p) {
1283		if (p->value < 0) {
1284			dev_err(atc->card->dev,
1285				"Device %04x:%04x is on the denylist\n",
1286				vendor_id, device_id);
1287			return -ENOENT;
1288		}
1289		atc->model = p->value;
1290	} else {
1291		if (atc->chip_type == ATC20K1)
1292			atc->model = CT20K1_UNKNOWN;
1293		else
1294			atc->model = CT20K2_UNKNOWN;
1295	}
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);
1300	return 0;
1301}
1302
1303int ct_atc_create_alsa_devs(struct ct_atc *atc)
1304{
1305	enum CTALSADEVS i;
1306	int err;
1307
1308	alsa_dev_funcs[MIXER].public_name = atc->chip_name;
1309
1310	for (i = 0; i < NUM_CTALSADEVS; i++) {
1311		if (!alsa_dev_funcs[i].create)
1312			continue;
1313
1314		err = alsa_dev_funcs[i].create(atc, i,
1315				alsa_dev_funcs[i].public_name);
1316		if (err) {
1317			dev_err(atc->card->dev,
1318				"Creating alsa device %d failed!\n", i);
1319			return err;
1320		}
1321	}
1322
1323	return 0;
1324}
1325
1326static int atc_create_hw_devs(struct ct_atc *atc)
1327{
1328	struct hw *hw;
1329	struct card_conf info = {0};
1330	int i, err;
1331
1332	err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
1333	if (err) {
1334		dev_err(atc->card->dev, "Failed to create hw obj!!!\n");
1335		return err;
1336	}
1337	hw->card = atc->card;
1338	atc->hw = hw;
1339
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);
1345	if (err < 0)
1346		return err;
1347
1348	for (i = 0; i < NUM_RSCTYP; i++) {
1349		if (!rsc_mgr_funcs[i].create)
1350			continue;
1351
1352		err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1353		if (err) {
1354			dev_err(atc->card->dev,
1355				"Failed to create rsc_mgr %d!!!\n", i);
1356			return err;
1357		}
1358	}
1359
1360	return 0;
1361}
1362
1363static int atc_get_resources(struct ct_atc *atc)
1364{
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;
1374
1375	num_daios = ((atc->model == CTSB1270) ? 8 : 7);
1376	num_srcs = ((atc->model == CTSB1270) ? 6 : 4);
1377
1378	atc->daios = kcalloc(num_daios, sizeof(void *), GFP_KERNEL);
1379	if (!atc->daios)
1380		return -ENOMEM;
1381
1382	atc->srcs = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1383	if (!atc->srcs)
1384		return -ENOMEM;
1385
1386	atc->srcimps = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1387	if (!atc->srcimps)
1388		return -ENOMEM;
1389
1390	atc->pcm = kcalloc(2 * 4, sizeof(void *), GFP_KERNEL);
1391	if (!atc->pcm)
1392		return -ENOMEM;
1393
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]);
1401		if (err) {
1402			dev_err(atc->card->dev,
1403				"Failed to get DAIO resource %d!!!\n",
1404				i);
1405			return err;
1406		}
1407		atc->n_daio++;
1408	}
1409
1410	src_mgr = atc->rsc_mgrs[SRC];
1411	src_dsc.multi = 1;
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]);
1417		if (err)
1418			return err;
1419
1420		atc->n_src++;
1421	}
1422
1423	srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1424	srcimp_dsc.msr = 8;
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]);
1428		if (err)
1429			return err;
1430
1431		atc->n_srcimp++;
1432	}
1433
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]);
1439		if (err)
1440			return err;
1441
1442		atc->n_pcm++;
1443	}
1444
1445	return 0;
1446}
1447
1448static void
1449atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1450		struct src **srcs, struct srcimp **srcimps)
1451{
1452	struct rsc *rscs[2] = {NULL};
1453	struct src *src;
1454	struct srcimp *srcimp;
1455	int i = 0;
1456
1457	rscs[0] = &dai->daio.rscl;
1458	rscs[1] = &dai->daio.rscr;
1459	for (i = 0; i < 2; i++) {
1460		src = srcs[i];
1461		srcimp = srcimps[i];
1462		srcimp->ops->map(srcimp, src, rscs[i]);
1463		src_mgr->src_disable(src_mgr, src);
1464	}
1465
1466	src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1467
1468	src = srcs[0];
1469	src->ops->set_pm(src, 1);
1470	for (i = 0; i < 2; i++) {
1471		src = srcs[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);
1475	}
1476
1477	dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1478	dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1479
1480	dai->ops->set_enb_src(dai, 1);
1481	dai->ops->set_enb_srt(dai, 1);
1482	dai->ops->commit_write(dai);
1483
1484	src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1485}
1486
1487static void atc_connect_resources(struct ct_atc *atc)
1488{
1489	struct dai *dai;
1490	struct dao *dao;
1491	struct src *src;
1492	struct sum *sum;
1493	struct ct_mixer *mixer;
1494	struct rsc *rscs[2] = {NULL};
1495	int i, j;
1496
1497	mixer = atc->mixer;
1498
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]);
1504	}
1505
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]);
1510	src = atc->srcs[2];
1511	mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1512	src = atc->srcs[3];
1513	mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1514
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]);
1521		src = atc->srcs[4];
1522		mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
1523		src = atc->srcs[5];
1524		mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
1525	}
1526
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]);
1531
1532	src = atc->srcs[0];
1533	mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1534	src = atc->srcs[1];
1535	mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1536
1537	for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1538		sum = atc->pcm[j];
1539		mixer->set_input_left(mixer, i, &sum->rsc);
1540		sum = atc->pcm[j+1];
1541		mixer->set_input_right(mixer, i, &sum->rsc);
1542	}
1543}
1544
1545#ifdef CONFIG_PM_SLEEP
1546static int atc_suspend(struct ct_atc *atc)
1547{
1548	struct hw *hw = atc->hw;
1549
1550	snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
1551
1552	atc_release_resources(atc);
1553
1554	hw->suspend(hw);
1555
1556	return 0;
1557}
1558
1559static int atc_hw_resume(struct ct_atc *atc)
1560{
1561	struct hw *hw = atc->hw;
1562	struct card_conf info = {0};
1563
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);
1569}
1570
1571static int atc_resources_resume(struct ct_atc *atc)
1572{
1573	struct ct_mixer *mixer;
1574	int err = 0;
1575
1576	/* Get resources */
1577	err = atc_get_resources(atc);
1578	if (err < 0) {
1579		atc_release_resources(atc);
1580		return err;
1581	}
1582
1583	/* Build topology */
1584	atc_connect_resources(atc);
1585
1586	mixer = atc->mixer;
1587	mixer->resume(mixer);
1588
1589	return 0;
1590}
1591
1592static int atc_resume(struct ct_atc *atc)
1593{
1594	int err = 0;
1595
1596	/* Do hardware resume. */
1597	err = atc_hw_resume(atc);
1598	if (err < 0) {
1599		dev_err(atc->card->dev,
1600			"pci_enable_device failed, disabling device\n");
1601		snd_card_disconnect(atc->card);
1602		return err;
1603	}
1604
1605	err = atc_resources_resume(atc);
1606	if (err < 0)
1607		return err;
1608
1609	snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
1610
1611	return 0;
1612}
1613#endif
1614
1615static 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,
1651#endif
1652};
1653
1654/**
1655 *  ct_atc_create - create and initialize a hardware manager
1656 *  @card: corresponding alsa card object
1657 *  @pci: corresponding kernel pci device object
1658 *  @rsr: reference sampling rate
1659 *  @msr: master sampling rate
1660 *  @chip_type: CHIPTYP enum values
1661 *  @ssid: vendor ID (upper 16 bits) and device ID (lower 16 bits)
1662 *  @ratc: return created object address in it
1663 *
1664 *  Creates and initializes a hardware manager.
1665 *
1666 *  Creates kmallocated ct_atc structure. Initializes hardware.
1667 *  Returns 0 if succeeds, or negative error code if fails.
1668 */
1669
1670int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1671		  unsigned int rsr, unsigned int msr,
1672		  int chip_type, unsigned int ssid,
1673		  struct ct_atc **ratc)
1674{
1675	struct ct_atc *atc;
1676	static const struct snd_device_ops ops = {
1677		.dev_free = atc_dev_free,
1678	};
1679	int err;
1680
1681	*ratc = NULL;
1682
1683	atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1684	if (!atc)
1685		return -ENOMEM;
1686
1687	/* Set operations */
1688	*atc = atc_preset;
1689
1690	atc->card = card;
1691	atc->pci = pci;
1692	atc->rsr = rsr;
1693	atc->msr = msr;
1694	atc->chip_type = chip_type;
1695
1696	mutex_init(&atc->atc_mutex);
1697
1698	/* Find card model */
1699	err = atc_identify_card(atc, ssid);
1700	if (err < 0) {
1701		dev_err(card->dev, "ctatc: Card not recognised\n");
1702		goto error1;
1703	}
1704
1705	/* Set up device virtual memory management object */
1706	err = ct_vm_create(&atc->vm, pci);
1707	if (err < 0)
1708		goto error1;
1709
1710	/* Create all atc hw devices */
1711	err = atc_create_hw_devs(atc);
1712	if (err < 0)
1713		goto error1;
1714
1715	err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1716	if (err) {
1717		dev_err(card->dev, "Failed to create mixer obj!!!\n");
1718		goto error1;
1719	}
1720
1721	/* Get resources */
1722	err = atc_get_resources(atc);
1723	if (err < 0)
1724		goto error1;
1725
1726	/* Build topology */
1727	atc_connect_resources(atc);
1728
1729	atc->timer = ct_timer_new(atc);
1730	if (!atc->timer) {
1731		err = -ENOMEM;
1732		goto error1;
1733	}
1734
1735	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1736	if (err < 0)
1737		goto error1;
1738
1739	*ratc = atc;
1740	return 0;
1741
1742error1:
1743	ct_atc_destroy(atc);
1744	dev_err(card->dev, "Something wrong!!!\n");
1745	return err;
1746}
v6.8
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   4 *
   5 * @File    ctatc.c
   6 *
   7 * @Brief
   8 * This file contains the implementation of the device resource management
   9 * object.
  10 *
  11 * @Author Liu Chun
  12 * @Date Mar 28 2008
  13 */
  14
  15#include "ctatc.h"
  16#include "ctpcm.h"
  17#include "ctmixer.h"
  18#include "ctsrc.h"
  19#include "ctamixer.h"
  20#include "ctdaio.h"
  21#include "cttimer.h"
  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>
  27
  28#define MONO_SUM_SCALE	0x19a8	/* 2^(-0.5) in 14-bit floating format */
  29#define MAX_MULTI_CHN	8
  30
  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) \
  35			    | (0x10 << 16) \
  36			    | ((IEC958_AES3_CON_FS_48000) << 24))
  37
  38static 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,
  45			   "UAA", CTUAA),
  46	{ } /* terminator */
  47};
  48
  49static const struct snd_pci_quirk subsys_20k2_list[] = {
  50	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
  51		      "SB0760", CTSB0760),
  52	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB1270,
  53		      "SB1270", CTSB1270),
  54	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
  55		      "SB0880", CTSB0880),
  56	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
  57		      "SB0880", CTSB0880),
  58	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
  59		      "SB0880", CTSB0880),
  60	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000,
  61			   PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "HENDRIX",
  62			   CTHENDRIX),
  63	{ } /* terminator */
  64};
  65
  66static const char *ct_subsys_name[NUM_CTCARDS] = {
  67	/* 20k1 models */
  68	[CTSB046X]	= "SB046x",
  69	[CTSB055X]	= "SB055x",
  70	[CTSB073X]	= "SB073x",
  71	[CTUAA]		= "UAA",
  72	[CT20K1_UNKNOWN] = "Unknown",
  73	/* 20k2 models */
  74	[CTSB0760]	= "SB076x",
  75	[CTHENDRIX]	= "Hendrix",
  76	[CTSB0880]	= "SB0880",
  77	[CTSB1270]      = "SB1270",
  78	[CT20K2_UNKNOWN] = "Unknown",
  79};
  80
  81static struct {
  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,
  88			    .destroy = NULL,
  89			    .public_name = "Front/WaveIn"},
  90	[SURROUND]	= { .create = ct_alsa_pcm_create,
  91			    .destroy = NULL,
  92			    .public_name = "Surround"},
  93	[CLFE]		= { .create = ct_alsa_pcm_create,
  94			    .destroy = NULL,
  95			    .public_name = "Center/LFE"},
  96	[SIDE]		= { .create = ct_alsa_pcm_create,
  97			    .destroy = NULL,
  98			    .public_name = "Side"},
  99	[IEC958]	= { .create = ct_alsa_pcm_create,
 100			    .destroy = NULL,
 101			    .public_name = "IEC958 Non-audio"},
 102
 103	[MIXER]		= { .create = ct_alsa_mix_create,
 104			    .destroy = NULL,
 105			    .public_name = "Mixer"}
 106};
 107
 108typedef int (*create_t)(struct hw *, void **);
 109typedef int (*destroy_t)(void *);
 110
 111static struct {
 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	}
 125};
 126
 127static int
 128atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 129
 130/* *
 131 * Only mono and interleaved modes are supported now.
 132 * Always allocates a contiguous channel block.
 133 * */
 134
 135static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 136{
 137	struct snd_pcm_runtime *runtime;
 138	struct ct_vm *vm;
 139
 140	if (!apcm->substream)
 141		return 0;
 142
 143	runtime = apcm->substream->runtime;
 144	vm = atc->vm;
 145
 146	apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
 147
 148	if (!apcm->vm_block)
 149		return -ENOENT;
 150
 151	return 0;
 152}
 153
 154static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 155{
 156	struct ct_vm *vm;
 157
 158	if (!apcm->vm_block)
 159		return;
 160
 161	vm = atc->vm;
 162
 163	vm->unmap(vm, apcm->vm_block);
 164
 165	apcm->vm_block = NULL;
 166}
 167
 168static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
 169{
 170	return atc->vm->get_ptp_phys(atc->vm, index);
 171}
 172
 173static unsigned int convert_format(snd_pcm_format_t snd_format,
 174				   struct snd_card *card)
 175{
 176	switch (snd_format) {
 177	case SNDRV_PCM_FORMAT_U8:
 178		return SRC_SF_U8;
 179	case SNDRV_PCM_FORMAT_S16_LE:
 180		return SRC_SF_S16;
 181	case SNDRV_PCM_FORMAT_S24_3LE:
 182		return SRC_SF_S24;
 183	case SNDRV_PCM_FORMAT_S32_LE:
 184		return SRC_SF_S32;
 185	case SNDRV_PCM_FORMAT_FLOAT_LE:
 186		return SRC_SF_F32;
 187	default:
 188		dev_err(card->dev, "not recognized snd format is %d\n",
 189			snd_format);
 190		return SRC_SF_S16;
 191	}
 192}
 193
 194static unsigned int
 195atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
 196{
 197	unsigned int pitch;
 198	int b;
 199
 200	/* get pitch and convert to fixed-point 8.24 format. */
 201	pitch = (input_rate / output_rate) << 24;
 202	input_rate %= output_rate;
 203	input_rate /= 100;
 204	output_rate /= 100;
 205	for (b = 31; ((b >= 0) && !(input_rate >> b)); )
 206		b--;
 207
 208	if (b >= 0) {
 209		input_rate <<= (31 - b);
 210		input_rate /= output_rate;
 211		b = 24 - (31 - b);
 212		if (b >= 0)
 213			input_rate <<= b;
 214		else
 215			input_rate >>= -b;
 216
 217		pitch |= input_rate;
 218	}
 219
 220	return pitch;
 221}
 222
 223static int select_rom(unsigned int pitch)
 224{
 225	if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
 226		/* 0.26 <= pitch <= 1.72 */
 227		return 1;
 228	} else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
 229		/* pitch == 1.8375 */
 230		return 2;
 231	} else if (pitch == 0x02000000) {
 232		/* pitch == 2 */
 233		return 3;
 234	} else if (pitch <= 0x08000000) {
 235		/* 0 <= pitch <= 8 */
 236		return 0;
 237	} else {
 238		return -ENOENT;
 239	}
 240}
 241
 242static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 243{
 244	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 245	struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 246	struct src_desc desc = {0};
 247	struct amixer_desc mix_dsc = {0};
 248	struct src *src;
 249	struct amixer *amixer;
 250	int err;
 251	int n_amixer = apcm->substream->runtime->channels, i = 0;
 252	int device = apcm->substream->pcm->device;
 253	unsigned int pitch;
 254
 255	/* first release old resources */
 256	atc_pcm_release_resources(atc, apcm);
 257
 258	/* Get SRC resource */
 259	desc.multi = apcm->substream->runtime->channels;
 260	desc.msr = atc->msr;
 261	desc.mode = MEMRD;
 262	err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 263	if (err)
 264		goto error1;
 265
 266	pitch = atc_get_pitch(apcm->substream->runtime->rate,
 267						(atc->rsr * atc->msr));
 268	src = apcm->src;
 269	src->ops->set_pitch(src, pitch);
 270	src->ops->set_rom(src, select_rom(pitch));
 271	src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
 272					     atc->card));
 273	src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 274
 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) {
 279		err = -ENOMEM;
 280		goto error1;
 281	}
 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]);
 286		if (err)
 287			goto error1;
 288
 289		apcm->n_amixer++;
 290	}
 291
 292	/* Set up device virtual mem map */
 293	err = ct_map_audio_buffer(atc, apcm);
 294	if (err < 0)
 295		goto error1;
 296
 297	/* Connect resources */
 298	src = apcm->src;
 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);
 306		if (!src)
 307			src = apcm->src;
 308	}
 309
 310	ct_timer_prepare(apcm->timer);
 311
 312	return 0;
 313
 314error1:
 315	atc_pcm_release_resources(atc, apcm);
 316	return err;
 317}
 318
 319static int
 320atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 321{
 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;
 327	int i;
 328
 329	if (apcm->srcimps) {
 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;
 335		}
 336		kfree(apcm->srcimps);
 337		apcm->srcimps = NULL;
 338	}
 339
 340	if (apcm->srccs) {
 341		for (i = 0; i < apcm->n_srcc; i++) {
 342			src_mgr->put_src(src_mgr, apcm->srccs[i]);
 343			apcm->srccs[i] = NULL;
 344		}
 345		kfree(apcm->srccs);
 346		apcm->srccs = NULL;
 347	}
 348
 349	if (apcm->amixers) {
 350		for (i = 0; i < apcm->n_amixer; i++) {
 351			amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
 352			apcm->amixers[i] = NULL;
 353		}
 354		kfree(apcm->amixers);
 355		apcm->amixers = NULL;
 356	}
 357
 358	if (apcm->mono) {
 359		sum_mgr->put_sum(sum_mgr, apcm->mono);
 360		apcm->mono = NULL;
 361	}
 362
 363	if (apcm->src) {
 364		src_mgr->put_src(src_mgr, apcm->src);
 365		apcm->src = NULL;
 366	}
 367
 368	if (apcm->vm_block) {
 369		/* Undo device virtual mem map */
 370		ct_unmap_audio_buffer(atc, apcm);
 371		apcm->vm_block = NULL;
 372	}
 373
 374	return 0;
 375}
 376
 377static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 378{
 379	unsigned int max_cisz;
 380	struct src *src = apcm->src;
 381
 382	if (apcm->started)
 383		return 0;
 384	apcm->started = 1;
 385
 386	max_cisz = src->multi * src->rsc.msr;
 387	max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
 388
 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);
 393
 394	src->ops->set_bm(src, 1);
 395	src->ops->set_state(src, SRC_STATE_INIT);
 396	src->ops->commit_write(src);
 397
 398	ct_timer_start(apcm->timer);
 399	return 0;
 400}
 401
 402static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 403{
 404	struct src *src;
 405	int i;
 406
 407	ct_timer_stop(apcm->timer);
 408
 409	src = apcm->src;
 410	src->ops->set_bm(src, 0);
 411	src->ops->set_state(src, SRC_STATE_OFF);
 412	src->ops->commit_write(src);
 413
 414	if (apcm->srccs) {
 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);
 420		}
 421	}
 422
 423	apcm->started = 0;
 424
 425	return 0;
 426}
 427
 428static int
 429atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 430{
 431	struct src *src = apcm->src;
 432	u32 size, max_cisz;
 433	int position;
 434
 435	if (!src)
 436		return 0;
 437	position = src->ops->get_ca(src);
 438
 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;
 444	}
 445
 446	size = apcm->vm_block->size;
 447	max_cisz = src->multi * src->rsc.msr;
 448	max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
 449
 450	return (position + size - max_cisz - apcm->vm_block->addr) % size;
 451}
 452
 453struct src_node_conf_t {
 454	unsigned int pitch;
 455	unsigned int msr:8;
 456	unsigned int mix_msr:8;
 457	unsigned int imp_msr:8;
 458	unsigned int vo:1;
 459};
 460
 461static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
 462				struct src_node_conf_t *conf, int *n_srcc)
 463{
 464	unsigned int pitch;
 465
 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);
 469	*n_srcc = 0;
 470
 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;
 475		conf[0].vo = 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;
 483			conf[0].vo = 0;
 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;
 487			conf[1].vo = 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;
 495			conf[0].vo = 1;
 496			*n_srcc = apcm->substream->runtime->channels;
 497		}
 498	}
 499}
 500
 501static int
 502atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 503{
 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};
 509	struct src *src;
 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};
 514	unsigned int pitch;
 515	int multi, err, i;
 516	int n_srcimp, n_amixer, n_srcc, n_sum;
 517	struct src_node_conf_t src_node_conf[2] = {{0} };
 518
 519	/* first release old resources */
 520	atc_pcm_release_resources(atc, apcm);
 521
 522	/* The numbers of converting SRCs and SRCIMPs should be determined
 523	 * by pitch value. */
 524
 525	multi = apcm->substream->runtime->channels;
 526
 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);
 530
 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;
 534	n_srcimp = 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;
 540	} else {
 541		n_srcimp += multi;
 542	}
 543
 544	if (n_srcc) {
 545		apcm->srccs = kcalloc(n_srcc, sizeof(void *), GFP_KERNEL);
 546		if (!apcm->srccs)
 547			return -ENOMEM;
 548	}
 549	if (n_amixer) {
 550		apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
 551		if (!apcm->amixers) {
 552			err = -ENOMEM;
 553			goto error1;
 554		}
 555	}
 556	apcm->srcimps = kcalloc(n_srcimp, sizeof(void *), GFP_KERNEL);
 557	if (!apcm->srcimps) {
 558		err = -ENOMEM;
 559		goto error1;
 560	}
 561
 562	/* Allocate SRCs for sample rate conversion if needed */
 563	src_dsc.multi = 1;
 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]);
 569		if (err)
 570			goto error1;
 571
 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);
 577
 578		apcm->n_srcc++;
 579	}
 580
 581	/* Allocate AMIXERs for routing SRCs of conversion if needed */
 582	for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 583		if (i < (n_sum*2))
 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;
 587		else
 588			mix_dsc.msr = 1;
 589
 590		err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 591					(struct amixer **)&apcm->amixers[i]);
 592		if (err)
 593			goto error1;
 594
 595		apcm->n_amixer++;
 596	}
 597
 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);
 601	if (err)
 602		goto error1;
 603
 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++) {
 608		if (i < (n_srcc))
 609			srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
 610		else if (1 == multi)
 611			srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
 612		else
 613			srcimp_dsc.msr = 1;
 614
 615		err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
 616		if (err)
 617			goto error1;
 618
 619		apcm->srcimps[i] = srcimp;
 620		apcm->n_srcimp++;
 621	}
 622
 623	/* Allocate a SRC for writing data to host memory */
 624	src_dsc.multi = apcm->substream->runtime->channels;
 625	src_dsc.msr = 1;
 626	src_dsc.mode = MEMWR;
 627	err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
 628	if (err)
 629		goto error1;
 630
 631	src = apcm->src;
 632	src->ops->set_pitch(src, pitch);
 633
 634	/* Set up device virtual mem map */
 635	err = ct_map_audio_buffer(atc, apcm);
 636	if (err < 0)
 637		goto error1;
 638
 639	return 0;
 640
 641error1:
 642	atc_pcm_release_resources(atc, apcm);
 643	return err;
 644}
 645
 646static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 647{
 648	struct src *src;
 649	struct amixer *amixer;
 650	struct srcimp *srcimp;
 651	struct ct_mixer *mixer = atc->mixer;
 652	struct sum *mono;
 653	struct rsc *out_ports[8] = {NULL};
 654	int err, i, j, n_sum, multi;
 655	unsigned int pitch;
 656	int mix_base = 0, imp_base = 0;
 657
 658	atc_pcm_release_resources(atc, apcm);
 659
 660	/* Get needed resources. */
 661	err = atc_pcm_capture_get_resources(atc, apcm);
 662	if (err)
 663		return err;
 664
 665	/* Connect resources */
 666	mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
 667				&out_ports[0], &out_ports[1]);
 668
 669	multi = apcm->substream->runtime->channels;
 670	if (1 == multi) {
 671		mono = apcm->mono;
 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);
 676		}
 677		out_ports[0] = &mono->rsc;
 678		n_sum = 1;
 679		mix_base = n_sum * 2;
 680	}
 681
 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;
 689	}
 690
 691	pitch = atc_get_pitch((atc->rsr * atc->msr),
 692				apcm->substream->runtime->rate);
 693
 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]);
 706
 707				srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
 708				srcimp->ops->map(srcimp, apcm->src,
 709							&amixer->rsc);
 710			}
 711		}
 712	} else {
 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]);
 716		}
 717	}
 718
 719	ct_timer_prepare(apcm->timer);
 720
 721	return 0;
 722}
 723
 724static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 725{
 726	struct src *src;
 727	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 728	int i, multi;
 729
 730	if (apcm->started)
 731		return 0;
 732
 733	apcm->started = 1;
 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);
 740	}
 741
 742	/*  Set up recording SRC */
 743	src = apcm->src;
 744	src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
 745					     atc->card));
 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);
 750
 751	/* Disable relevant SRCs firstly */
 752	src_mgr->commit_write(src_mgr);
 753
 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);
 760	}
 761	src = apcm->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);
 766
 767	/* Enable relevant SRCs synchronously */
 768	src_mgr->commit_write(src_mgr);
 769
 770	ct_timer_start(apcm->timer);
 771	return 0;
 772}
 773
 774static int
 775atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 776{
 777	struct src *src = apcm->src;
 778
 779	if (!src)
 780		return 0;
 781	return src->ops->get_ca(src) - apcm->vm_block->addr;
 782}
 783
 784static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
 785						 struct ct_atc_pcm *apcm)
 786{
 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};
 791	struct src *src;
 792	int err;
 793	int n_amixer = apcm->substream->runtime->channels, i;
 794	unsigned int pitch, rsr = atc->pll_rate;
 795
 796	/* first release old resources */
 797	atc_pcm_release_resources(atc, apcm);
 798
 799	/* Get SRC resource */
 800	desc.multi = apcm->substream->runtime->channels;
 801	desc.msr = 1;
 802	while (apcm->substream->runtime->rate > (rsr * desc.msr))
 803		desc.msr <<= 1;
 804
 805	desc.mode = MEMRD;
 806	err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 807	if (err)
 808		goto error1;
 809
 810	pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
 811	src = apcm->src;
 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,
 815					     atc->card));
 816	src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 817	src->ops->set_bp(src, 1);
 818
 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) {
 823		err = -ENOMEM;
 824		goto error1;
 825	}
 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]);
 830		if (err)
 831			goto error1;
 832
 833		apcm->n_amixer++;
 834	}
 835
 836	/* Set up device virtual mem map */
 837	err = ct_map_audio_buffer(atc, apcm);
 838	if (err < 0)
 839		goto error1;
 840
 841	return 0;
 842
 843error1:
 844	atc_pcm_release_resources(atc, apcm);
 845	return err;
 846}
 847
 848static int atc_pll_init(struct ct_atc *atc, int rate)
 849{
 850	struct hw *hw = atc->hw;
 851	int err;
 852	err = hw->pll_init(hw, rate);
 853	atc->pll_rate = err ? 0 : rate;
 854	return err;
 855}
 856
 857static int
 858spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 859{
 860	struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 861	unsigned int rate = apcm->substream->runtime->rate;
 862	unsigned int status;
 863	int err = 0;
 864	unsigned char iec958_con_fs;
 865
 866	switch (rate) {
 867	case 48000:
 868		iec958_con_fs = IEC958_AES3_CON_FS_48000;
 869		break;
 870	case 44100:
 871		iec958_con_fs = IEC958_AES3_CON_FS_44100;
 872		break;
 873	case 32000:
 874		iec958_con_fs = IEC958_AES3_CON_FS_32000;
 875		break;
 876	default:
 877		return -ENOENT;
 878	}
 879
 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);
 887	}
 888	if ((rate != atc->pll_rate) && (32000 != rate))
 889		err = atc_pll_init(atc, rate);
 890	mutex_unlock(&atc->atc_mutex);
 891
 892	return err;
 893}
 894
 895static int
 896spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 897{
 898	struct src *src;
 899	struct amixer *amixer;
 900	struct dao *dao;
 901	int err;
 902	int i;
 903
 904	atc_pcm_release_resources(atc, apcm);
 905
 906	/* Configure SPDIFOO and PLL to passthrough mode;
 907	 * determine pll_rate. */
 908	err = spdif_passthru_playback_setup(atc, apcm);
 909	if (err)
 910		return err;
 911
 912	/* Get needed resources. */
 913	err = spdif_passthru_playback_get_resources(atc, apcm);
 914	if (err)
 915		return err;
 916
 917	/* Connect resources */
 918	src = apcm->src;
 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);
 923		if (!src)
 924			src = apcm->src;
 925	}
 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);
 934
 935	ct_timer_prepare(apcm->timer);
 936
 937	return 0;
 938}
 939
 940static int atc_select_line_in(struct ct_atc *atc)
 941{
 942	struct hw *hw = atc->hw;
 943	struct ct_mixer *mixer = atc->mixer;
 944	struct src *src;
 945
 946	if (hw->is_adc_source_selected(hw, ADC_LINEIN))
 947		return 0;
 948
 949	mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
 950	mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
 951
 952	hw->select_adc_source(hw, ADC_LINEIN);
 953
 954	src = atc->srcs[2];
 955	mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
 956	src = atc->srcs[3];
 957	mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
 958
 959	return 0;
 960}
 961
 962static int atc_select_mic_in(struct ct_atc *atc)
 963{
 964	struct hw *hw = atc->hw;
 965	struct ct_mixer *mixer = atc->mixer;
 966	struct src *src;
 967
 968	if (hw->is_adc_source_selected(hw, ADC_MICIN))
 969		return 0;
 970
 971	mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
 972	mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
 973
 974	hw->select_adc_source(hw, ADC_MICIN);
 975
 976	src = atc->srcs[2];
 977	mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
 978	src = atc->srcs[3];
 979	mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
 980
 981	return 0;
 982}
 983
 984static struct capabilities atc_capabilities(struct ct_atc *atc)
 985{
 986	struct hw *hw = atc->hw;
 987
 988	return hw->capabilities(hw);
 989}
 990
 991static int atc_output_switch_get(struct ct_atc *atc)
 992{
 993	struct hw *hw = atc->hw;
 994
 995	return hw->output_switch_get(hw);
 996}
 997
 998static int atc_output_switch_put(struct ct_atc *atc, int position)
 999{
1000	struct hw *hw = atc->hw;
1001
1002	return hw->output_switch_put(hw, position);
1003}
1004
1005static int atc_mic_source_switch_get(struct ct_atc *atc)
1006{
1007	struct hw *hw = atc->hw;
1008
1009	return hw->mic_source_switch_get(hw);
1010}
1011
1012static int atc_mic_source_switch_put(struct ct_atc *atc, int position)
1013{
1014	struct hw *hw = atc->hw;
1015
1016	return hw->mic_source_switch_put(hw, position);
1017}
1018
1019static int atc_select_digit_io(struct ct_atc *atc)
1020{
1021	struct hw *hw = atc->hw;
1022
1023	if (hw->is_adc_source_selected(hw, ADC_NONE))
1024		return 0;
1025
1026	hw->select_adc_source(hw, ADC_NONE);
1027
1028	return 0;
1029}
1030
1031static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
1032{
1033	struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
1034
1035	if (state)
1036		daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
1037	else
1038		daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1039
1040	daio_mgr->commit_write(daio_mgr);
1041
1042	return 0;
1043}
1044
1045static int
1046atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1047{
1048	struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1049	return dao->ops->get_spos(dao, status);
1050}
1051
1052static int
1053atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1054{
1055	struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1056
1057	dao->ops->set_spos(dao, status);
1058	dao->ops->commit_write(dao);
1059	return 0;
1060}
1061
1062static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1063{
1064	return atc_daio_unmute(atc, state, LINEO1);
1065}
1066
1067static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1068{
1069	return atc_daio_unmute(atc, state, LINEO2);
1070}
1071
1072static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1073{
1074	return atc_daio_unmute(atc, state, LINEO3);
1075}
1076
1077static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1078{
1079	return atc_daio_unmute(atc, state, LINEO4);
1080}
1081
1082static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1083{
1084	return atc_daio_unmute(atc, state, LINEIM);
1085}
1086
1087static int atc_mic_unmute(struct ct_atc *atc, unsigned char state)
1088{
1089	return atc_daio_unmute(atc, state, MIC);
1090}
1091
1092static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1093{
1094	return atc_daio_unmute(atc, state, SPDIFOO);
1095}
1096
1097static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1098{
1099	return atc_daio_unmute(atc, state, SPDIFIO);
1100}
1101
1102static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1103{
1104	return atc_dao_get_status(atc, status, SPDIFOO);
1105}
1106
1107static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1108{
1109	return atc_dao_set_status(atc, status, SPDIFOO);
1110}
1111
1112static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1113{
1114	struct dao_desc da_dsc = {0};
1115	struct dao *dao;
1116	int err;
1117	struct ct_mixer *mixer = atc->mixer;
1118	struct rsc *rscs[2] = {NULL};
1119	unsigned int spos = 0;
1120
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);
1126	if (state) {
1127		spos = IEC958_DEFAULT_CON;
1128	} else {
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);
1136	}
1137	dao->ops->set_spos(dao, spos);
1138	dao->ops->commit_write(dao);
1139	mutex_unlock(&atc->atc_mutex);
1140
1141	return err;
1142}
1143
1144static int atc_release_resources(struct ct_atc *atc)
1145{
1146	int i;
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;
1155
1156	/* disconnect internal mixer objects */
1157	if (atc->mixer) {
1158		mixer = atc->mixer;
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);
1165	}
1166
1167	if (atc->daios) {
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);
1175			}
1176			daio_mgr->put_daio(daio_mgr, daio);
1177		}
1178		kfree(atc->daios);
1179		atc->daios = NULL;
1180	}
1181
1182	if (atc->pcm) {
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]);
1186
1187		kfree(atc->pcm);
1188		atc->pcm = NULL;
1189	}
1190
1191	if (atc->srcs) {
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]);
1195
1196		kfree(atc->srcs);
1197		atc->srcs = NULL;
1198	}
1199
1200	if (atc->srcimps) {
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]);
1206		}
1207		kfree(atc->srcimps);
1208		atc->srcimps = NULL;
1209	}
1210
1211	return 0;
1212}
1213
1214static int ct_atc_destroy(struct ct_atc *atc)
1215{
1216	int i = 0;
1217
1218	if (!atc)
1219		return 0;
1220
1221	if (atc->timer) {
1222		ct_timer_free(atc->timer);
1223		atc->timer = NULL;
1224	}
1225
1226	atc_release_resources(atc);
1227
1228	/* Destroy internal mixer objects */
1229	if (atc->mixer)
1230		ct_mixer_destroy(atc->mixer);
1231
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]);
1235
1236	}
1237
1238	if (atc->hw)
1239		destroy_hw_obj(atc->hw);
1240
1241	/* Destroy device virtual memory manager object */
1242	if (atc->vm) {
1243		ct_vm_destroy(atc->vm);
1244		atc->vm = NULL;
1245	}
1246
1247	kfree(atc);
1248
1249	return 0;
1250}
1251
1252static int atc_dev_free(struct snd_device *dev)
1253{
1254	struct ct_atc *atc = dev->device_data;
1255	return ct_atc_destroy(atc);
1256}
1257
1258static int atc_identify_card(struct ct_atc *atc, unsigned int ssid)
1259{
1260	const struct snd_pci_quirk *p;
1261	const struct snd_pci_quirk *list;
1262	u16 vendor_id, device_id;
1263
1264	switch (atc->chip_type) {
1265	case ATC20K1:
1266		atc->chip_name = "20K1";
1267		list = subsys_20k1_list;
1268		break;
1269	case ATC20K2:
1270		atc->chip_name = "20K2";
1271		list = subsys_20k2_list;
1272		break;
1273	default:
1274		return -ENOENT;
1275	}
1276	if (ssid) {
1277		vendor_id = ssid >> 16;
1278		device_id = ssid & 0xffff;
1279	} else {
1280		vendor_id = atc->pci->subsystem_vendor;
1281		device_id = atc->pci->subsystem_device;
1282	}
1283	p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
1284	if (p) {
1285		if (p->value < 0) {
1286			dev_err(atc->card->dev,
1287				"Device %04x:%04x is on the denylist\n",
1288				vendor_id, device_id);
1289			return -ENOENT;
1290		}
1291		atc->model = p->value;
1292	} else {
1293		if (atc->chip_type == ATC20K1)
1294			atc->model = CT20K1_UNKNOWN;
1295		else
1296			atc->model = CT20K2_UNKNOWN;
1297	}
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);
1302	return 0;
1303}
1304
1305int ct_atc_create_alsa_devs(struct ct_atc *atc)
1306{
1307	enum CTALSADEVS i;
1308	int err;
1309
1310	alsa_dev_funcs[MIXER].public_name = atc->chip_name;
1311
1312	for (i = 0; i < NUM_CTALSADEVS; i++) {
1313		if (!alsa_dev_funcs[i].create)
1314			continue;
1315
1316		err = alsa_dev_funcs[i].create(atc, i,
1317				alsa_dev_funcs[i].public_name);
1318		if (err) {
1319			dev_err(atc->card->dev,
1320				"Creating alsa device %d failed!\n", i);
1321			return err;
1322		}
1323	}
1324
1325	return 0;
1326}
1327
1328static int atc_create_hw_devs(struct ct_atc *atc)
1329{
1330	struct hw *hw;
1331	struct card_conf info = {0};
1332	int i, err;
1333
1334	err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
1335	if (err) {
1336		dev_err(atc->card->dev, "Failed to create hw obj!!!\n");
1337		return err;
1338	}
1339	hw->card = atc->card;
1340	atc->hw = hw;
1341
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);
1347	if (err < 0)
1348		return err;
1349
1350	for (i = 0; i < NUM_RSCTYP; i++) {
1351		if (!rsc_mgr_funcs[i].create)
1352			continue;
1353
1354		err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1355		if (err) {
1356			dev_err(atc->card->dev,
1357				"Failed to create rsc_mgr %d!!!\n", i);
1358			return err;
1359		}
1360	}
1361
1362	return 0;
1363}
1364
1365static int atc_get_resources(struct ct_atc *atc)
1366{
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;
1376
1377	num_daios = ((atc->model == CTSB1270) ? 8 : 7);
1378	num_srcs = ((atc->model == CTSB1270) ? 6 : 4);
1379
1380	atc->daios = kcalloc(num_daios, sizeof(void *), GFP_KERNEL);
1381	if (!atc->daios)
1382		return -ENOMEM;
1383
1384	atc->srcs = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1385	if (!atc->srcs)
1386		return -ENOMEM;
1387
1388	atc->srcimps = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1389	if (!atc->srcimps)
1390		return -ENOMEM;
1391
1392	atc->pcm = kcalloc(2 * 4, sizeof(void *), GFP_KERNEL);
1393	if (!atc->pcm)
1394		return -ENOMEM;
1395
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]);
1403		if (err) {
1404			dev_err(atc->card->dev,
1405				"Failed to get DAIO resource %d!!!\n",
1406				i);
1407			return err;
1408		}
1409		atc->n_daio++;
1410	}
1411
1412	src_mgr = atc->rsc_mgrs[SRC];
1413	src_dsc.multi = 1;
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]);
1419		if (err)
1420			return err;
1421
1422		atc->n_src++;
1423	}
1424
1425	srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1426	srcimp_dsc.msr = 8;
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]);
1430		if (err)
1431			return err;
1432
1433		atc->n_srcimp++;
1434	}
1435
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]);
1441		if (err)
1442			return err;
1443
1444		atc->n_pcm++;
1445	}
1446
1447	return 0;
1448}
1449
1450static void
1451atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1452		struct src **srcs, struct srcimp **srcimps)
1453{
1454	struct rsc *rscs[2] = {NULL};
1455	struct src *src;
1456	struct srcimp *srcimp;
1457	int i = 0;
1458
1459	rscs[0] = &dai->daio.rscl;
1460	rscs[1] = &dai->daio.rscr;
1461	for (i = 0; i < 2; i++) {
1462		src = srcs[i];
1463		srcimp = srcimps[i];
1464		srcimp->ops->map(srcimp, src, rscs[i]);
1465		src_mgr->src_disable(src_mgr, src);
1466	}
1467
1468	src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1469
1470	src = srcs[0];
1471	src->ops->set_pm(src, 1);
1472	for (i = 0; i < 2; i++) {
1473		src = srcs[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);
1477	}
1478
1479	dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1480	dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1481
1482	dai->ops->set_enb_src(dai, 1);
1483	dai->ops->set_enb_srt(dai, 1);
1484	dai->ops->commit_write(dai);
1485
1486	src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1487}
1488
1489static void atc_connect_resources(struct ct_atc *atc)
1490{
1491	struct dai *dai;
1492	struct dao *dao;
1493	struct src *src;
1494	struct sum *sum;
1495	struct ct_mixer *mixer;
1496	struct rsc *rscs[2] = {NULL};
1497	int i, j;
1498
1499	mixer = atc->mixer;
1500
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]);
1506	}
1507
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]);
1512	src = atc->srcs[2];
1513	mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1514	src = atc->srcs[3];
1515	mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1516
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]);
1523		src = atc->srcs[4];
1524		mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
1525		src = atc->srcs[5];
1526		mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
1527	}
1528
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]);
1533
1534	src = atc->srcs[0];
1535	mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1536	src = atc->srcs[1];
1537	mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1538
1539	for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1540		sum = atc->pcm[j];
1541		mixer->set_input_left(mixer, i, &sum->rsc);
1542		sum = atc->pcm[j+1];
1543		mixer->set_input_right(mixer, i, &sum->rsc);
1544	}
1545}
1546
1547#ifdef CONFIG_PM_SLEEP
1548static int atc_suspend(struct ct_atc *atc)
1549{
1550	struct hw *hw = atc->hw;
1551
1552	snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
1553
1554	atc_release_resources(atc);
1555
1556	hw->suspend(hw);
1557
1558	return 0;
1559}
1560
1561static int atc_hw_resume(struct ct_atc *atc)
1562{
1563	struct hw *hw = atc->hw;
1564	struct card_conf info = {0};
1565
1566	/* Re-initialize card hardware. */
1567	info.rsr = atc->rsr;
1568	info.msr = atc->msr;
1569	info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1570	return hw->resume(hw, &info);
1571}
1572
1573static int atc_resources_resume(struct ct_atc *atc)
1574{
1575	struct ct_mixer *mixer;
1576	int err = 0;
1577
1578	/* Get resources */
1579	err = atc_get_resources(atc);
1580	if (err < 0) {
1581		atc_release_resources(atc);
1582		return err;
1583	}
1584
1585	/* Build topology */
1586	atc_connect_resources(atc);
1587
1588	mixer = atc->mixer;
1589	mixer->resume(mixer);
1590
1591	return 0;
1592}
1593
1594static int atc_resume(struct ct_atc *atc)
1595{
1596	int err = 0;
1597
1598	/* Do hardware resume. */
1599	err = atc_hw_resume(atc);
1600	if (err < 0) {
1601		dev_err(atc->card->dev,
1602			"pci_enable_device failed, disabling device\n");
1603		snd_card_disconnect(atc->card);
1604		return err;
1605	}
1606
1607	err = atc_resources_resume(atc);
1608	if (err < 0)
1609		return err;
1610
1611	snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
1612
1613	return 0;
1614}
1615#endif
1616
1617static 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,
1653#endif
1654};
1655
1656/**
1657 *  ct_atc_create - create and initialize a hardware manager
1658 *  @card: corresponding alsa card object
1659 *  @pci: corresponding kernel pci device object
1660 *  @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
1665 *
1666 *  Creates and initializes a hardware manager.
1667 *
1668 *  Creates kmallocated ct_atc structure. Initializes hardware.
1669 *  Returns 0 if succeeds, or negative error code if fails.
1670 */
1671
1672int 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)
1676{
1677	struct ct_atc *atc;
1678	static const struct snd_device_ops ops = {
1679		.dev_free = atc_dev_free,
1680	};
1681	int err;
1682
1683	*ratc = NULL;
1684
1685	atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1686	if (!atc)
1687		return -ENOMEM;
1688
1689	/* Set operations */
1690	*atc = atc_preset;
1691
1692	atc->card = card;
1693	atc->pci = pci;
1694	atc->rsr = rsr;
1695	atc->msr = msr;
1696	atc->chip_type = chip_type;
1697
1698	mutex_init(&atc->atc_mutex);
1699
1700	/* Find card model */
1701	err = atc_identify_card(atc, ssid);
1702	if (err < 0) {
1703		dev_err(card->dev, "ctatc: Card not recognised\n");
1704		goto error1;
1705	}
1706
1707	/* Set up device virtual memory management object */
1708	err = ct_vm_create(&atc->vm, pci);
1709	if (err < 0)
1710		goto error1;
1711
1712	/* Create all atc hw devices */
1713	err = atc_create_hw_devs(atc);
1714	if (err < 0)
1715		goto error1;
1716
1717	err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1718	if (err) {
1719		dev_err(card->dev, "Failed to create mixer obj!!!\n");
1720		goto error1;
1721	}
1722
1723	/* Get resources */
1724	err = atc_get_resources(atc);
1725	if (err < 0)
1726		goto error1;
1727
1728	/* Build topology */
1729	atc_connect_resources(atc);
1730
1731	atc->timer = ct_timer_new(atc);
1732	if (!atc->timer) {
1733		err = -ENOMEM;
1734		goto error1;
1735	}
1736
1737	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1738	if (err < 0)
1739		goto error1;
1740
1741	*ratc = atc;
1742	return 0;
1743
1744error1:
1745	ct_atc_destroy(atc);
1746	dev_err(card->dev, "Something wrong!!!\n");
1747	return err;
1748}