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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}
v4.17
 
   1/**
   2 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   3 *
   4 * This source file is released under GPL v2 license (no other versions).
   5 * See the COPYING file included in the main directory of this source
   6 * distribution for the license terms and conditions.
   7 *
   8 * @File    ctatc.c
   9 *
  10 * @Brief
  11 * This file contains the implementation of the device resource management
  12 * object.
  13 *
  14 * @Author Liu Chun
  15 * @Date Mar 28 2008
  16 */
  17
  18#include "ctatc.h"
  19#include "ctpcm.h"
  20#include "ctmixer.h"
  21#include "ctsrc.h"
  22#include "ctamixer.h"
  23#include "ctdaio.h"
  24#include "cttimer.h"
  25#include <linux/delay.h>
  26#include <linux/slab.h>
  27#include <sound/pcm.h>
  28#include <sound/control.h>
  29#include <sound/asoundef.h>
  30
  31#define MONO_SUM_SCALE	0x19a8	/* 2^(-0.5) in 14-bit floating format */
  32#define MAX_MULTI_CHN	8
  33
  34#define IEC958_DEFAULT_CON ((IEC958_AES0_NONAUDIO \
  35			    | IEC958_AES0_CON_NOT_COPYRIGHT) \
  36			    | ((IEC958_AES1_CON_MIXER \
  37			    | IEC958_AES1_CON_ORIGINAL) << 8) \
  38			    | (0x10 << 16) \
  39			    | ((IEC958_AES3_CON_FS_48000) << 24))
  40
  41static struct snd_pci_quirk subsys_20k1_list[] = {
  42	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0022, "SB055x", CTSB055X),
  43	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x002f, "SB055x", CTSB055X),
  44	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0029, "SB073x", CTSB073X),
  45	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0031, "SB073x", CTSB073X),
  46	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000, 0x6000,
  47			   "UAA", CTUAA),
  48	{ } /* terminator */
  49};
  50
  51static struct snd_pci_quirk subsys_20k2_list[] = {
  52	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
  53		      "SB0760", CTSB0760),
  54	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB1270,
  55		      "SB1270", CTSB1270),
  56	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
  57		      "SB0880", CTSB0880),
  58	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
  59		      "SB0880", CTSB0880),
  60	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
  61		      "SB0880", CTSB0880),
  62	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000,
  63			   PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "HENDRIX",
  64			   CTHENDRIX),
  65	{ } /* terminator */
  66};
  67
  68static const char *ct_subsys_name[NUM_CTCARDS] = {
  69	/* 20k1 models */
  70	[CTSB055X]	= "SB055x",
  71	[CTSB073X]	= "SB073x",
  72	[CTUAA]		= "UAA",
  73	[CT20K1_UNKNOWN] = "Unknown",
  74	/* 20k2 models */
  75	[CTSB0760]	= "SB076x",
  76	[CTHENDRIX]	= "Hendrix",
  77	[CTSB0880]	= "SB0880",
  78	[CTSB1270]      = "SB1270",
  79	[CT20K2_UNKNOWN] = "Unknown",
  80};
  81
  82static struct {
  83	int (*create)(struct ct_atc *atc,
  84			enum CTALSADEVS device, const char *device_name);
  85	int (*destroy)(void *alsa_dev);
  86	const char *public_name;
  87} alsa_dev_funcs[NUM_CTALSADEVS] = {
  88	[FRONT]		= { .create = ct_alsa_pcm_create,
  89			    .destroy = NULL,
  90			    .public_name = "Front/WaveIn"},
  91	[SURROUND]	= { .create = ct_alsa_pcm_create,
  92			    .destroy = NULL,
  93			    .public_name = "Surround"},
  94	[CLFE]		= { .create = ct_alsa_pcm_create,
  95			    .destroy = NULL,
  96			    .public_name = "Center/LFE"},
  97	[SIDE]		= { .create = ct_alsa_pcm_create,
  98			    .destroy = NULL,
  99			    .public_name = "Side"},
 100	[IEC958]	= { .create = ct_alsa_pcm_create,
 101			    .destroy = NULL,
 102			    .public_name = "IEC958 Non-audio"},
 103
 104	[MIXER]		= { .create = ct_alsa_mix_create,
 105			    .destroy = NULL,
 106			    .public_name = "Mixer"}
 107};
 108
 109typedef int (*create_t)(struct hw *, void **);
 110typedef int (*destroy_t)(void *);
 111
 112static struct {
 113	int (*create)(struct hw *hw, void **rmgr);
 114	int (*destroy)(void *mgr);
 115} rsc_mgr_funcs[NUM_RSCTYP] = {
 116	[SRC] 		= { .create 	= (create_t)src_mgr_create,
 117			    .destroy 	= (destroy_t)src_mgr_destroy	},
 118	[SRCIMP] 	= { .create 	= (create_t)srcimp_mgr_create,
 119			    .destroy 	= (destroy_t)srcimp_mgr_destroy	},
 120	[AMIXER]	= { .create	= (create_t)amixer_mgr_create,
 121			    .destroy	= (destroy_t)amixer_mgr_destroy	},
 122	[SUM]		= { .create	= (create_t)sum_mgr_create,
 123			    .destroy	= (destroy_t)sum_mgr_destroy	},
 124	[DAIO]		= { .create	= (create_t)daio_mgr_create,
 125			    .destroy	= (destroy_t)daio_mgr_destroy	}
 126};
 127
 128static int
 129atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 130
 131/* *
 132 * Only mono and interleaved modes are supported now.
 133 * Always allocates a contiguous channel block.
 134 * */
 135
 136static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 137{
 138	struct snd_pcm_runtime *runtime;
 139	struct ct_vm *vm;
 140
 141	if (!apcm->substream)
 142		return 0;
 143
 144	runtime = apcm->substream->runtime;
 145	vm = atc->vm;
 146
 147	apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
 148
 149	if (!apcm->vm_block)
 150		return -ENOENT;
 151
 152	return 0;
 153}
 154
 155static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 156{
 157	struct ct_vm *vm;
 158
 159	if (!apcm->vm_block)
 160		return;
 161
 162	vm = atc->vm;
 163
 164	vm->unmap(vm, apcm->vm_block);
 165
 166	apcm->vm_block = NULL;
 167}
 168
 169static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
 170{
 171	return atc->vm->get_ptp_phys(atc->vm, index);
 172}
 173
 174static unsigned int convert_format(snd_pcm_format_t snd_format,
 175				   struct snd_card *card)
 176{
 177	switch (snd_format) {
 178	case SNDRV_PCM_FORMAT_U8:
 179		return SRC_SF_U8;
 180	case SNDRV_PCM_FORMAT_S16_LE:
 181		return SRC_SF_S16;
 182	case SNDRV_PCM_FORMAT_S24_3LE:
 183		return SRC_SF_S24;
 184	case SNDRV_PCM_FORMAT_S32_LE:
 185		return SRC_SF_S32;
 186	case SNDRV_PCM_FORMAT_FLOAT_LE:
 187		return SRC_SF_F32;
 188	default:
 189		dev_err(card->dev, "not recognized snd format is %d\n",
 190			snd_format);
 191		return SRC_SF_S16;
 192	}
 193}
 194
 195static unsigned int
 196atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
 197{
 198	unsigned int pitch;
 199	int b;
 200
 201	/* get pitch and convert to fixed-point 8.24 format. */
 202	pitch = (input_rate / output_rate) << 24;
 203	input_rate %= output_rate;
 204	input_rate /= 100;
 205	output_rate /= 100;
 206	for (b = 31; ((b >= 0) && !(input_rate >> b)); )
 207		b--;
 208
 209	if (b >= 0) {
 210		input_rate <<= (31 - b);
 211		input_rate /= output_rate;
 212		b = 24 - (31 - b);
 213		if (b >= 0)
 214			input_rate <<= b;
 215		else
 216			input_rate >>= -b;
 217
 218		pitch |= input_rate;
 219	}
 220
 221	return pitch;
 222}
 223
 224static int select_rom(unsigned int pitch)
 225{
 226	if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
 227		/* 0.26 <= pitch <= 1.72 */
 228		return 1;
 229	} else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
 230		/* pitch == 1.8375 */
 231		return 2;
 232	} else if (pitch == 0x02000000) {
 233		/* pitch == 2 */
 234		return 3;
 235	} else if (pitch <= 0x08000000) {
 236		/* 0 <= pitch <= 8 */
 237		return 0;
 238	} else {
 239		return -ENOENT;
 240	}
 241}
 242
 243static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 244{
 245	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 246	struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 247	struct src_desc desc = {0};
 248	struct amixer_desc mix_dsc = {0};
 249	struct src *src;
 250	struct amixer *amixer;
 251	int err;
 252	int n_amixer = apcm->substream->runtime->channels, i = 0;
 253	int device = apcm->substream->pcm->device;
 254	unsigned int pitch;
 255
 256	/* first release old resources */
 257	atc_pcm_release_resources(atc, apcm);
 258
 259	/* Get SRC resource */
 260	desc.multi = apcm->substream->runtime->channels;
 261	desc.msr = atc->msr;
 262	desc.mode = MEMRD;
 263	err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 264	if (err)
 265		goto error1;
 266
 267	pitch = atc_get_pitch(apcm->substream->runtime->rate,
 268						(atc->rsr * atc->msr));
 269	src = apcm->src;
 270	src->ops->set_pitch(src, pitch);
 271	src->ops->set_rom(src, select_rom(pitch));
 272	src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
 273					     atc->card));
 274	src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 275
 276	/* Get AMIXER resource */
 277	n_amixer = (n_amixer < 2) ? 2 : n_amixer;
 278	apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 279	if (!apcm->amixers) {
 280		err = -ENOMEM;
 281		goto error1;
 282	}
 283	mix_dsc.msr = atc->msr;
 284	for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 285		err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 286					(struct amixer **)&apcm->amixers[i]);
 287		if (err)
 288			goto error1;
 289
 290		apcm->n_amixer++;
 291	}
 292
 293	/* Set up device virtual mem map */
 294	err = ct_map_audio_buffer(atc, apcm);
 295	if (err < 0)
 296		goto error1;
 297
 298	/* Connect resources */
 299	src = apcm->src;
 300	for (i = 0; i < n_amixer; i++) {
 301		amixer = apcm->amixers[i];
 302		mutex_lock(&atc->atc_mutex);
 303		amixer->ops->setup(amixer, &src->rsc,
 304					INIT_VOL, atc->pcm[i+device*2]);
 305		mutex_unlock(&atc->atc_mutex);
 306		src = src->ops->next_interleave(src);
 307		if (!src)
 308			src = apcm->src;
 309	}
 310
 311	ct_timer_prepare(apcm->timer);
 312
 313	return 0;
 314
 315error1:
 316	atc_pcm_release_resources(atc, apcm);
 317	return err;
 318}
 319
 320static int
 321atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 322{
 323	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 324	struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
 325	struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 326	struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
 327	struct srcimp *srcimp;
 328	int i;
 329
 330	if (apcm->srcimps) {
 331		for (i = 0; i < apcm->n_srcimp; i++) {
 332			srcimp = apcm->srcimps[i];
 333			srcimp->ops->unmap(srcimp);
 334			srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
 335			apcm->srcimps[i] = NULL;
 336		}
 337		kfree(apcm->srcimps);
 338		apcm->srcimps = NULL;
 339	}
 340
 341	if (apcm->srccs) {
 342		for (i = 0; i < apcm->n_srcc; i++) {
 343			src_mgr->put_src(src_mgr, apcm->srccs[i]);
 344			apcm->srccs[i] = NULL;
 345		}
 346		kfree(apcm->srccs);
 347		apcm->srccs = NULL;
 348	}
 349
 350	if (apcm->amixers) {
 351		for (i = 0; i < apcm->n_amixer; i++) {
 352			amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
 353			apcm->amixers[i] = NULL;
 354		}
 355		kfree(apcm->amixers);
 356		apcm->amixers = NULL;
 357	}
 358
 359	if (apcm->mono) {
 360		sum_mgr->put_sum(sum_mgr, apcm->mono);
 361		apcm->mono = NULL;
 362	}
 363
 364	if (apcm->src) {
 365		src_mgr->put_src(src_mgr, apcm->src);
 366		apcm->src = NULL;
 367	}
 368
 369	if (apcm->vm_block) {
 370		/* Undo device virtual mem map */
 371		ct_unmap_audio_buffer(atc, apcm);
 372		apcm->vm_block = NULL;
 373	}
 374
 375	return 0;
 376}
 377
 378static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 379{
 380	unsigned int max_cisz;
 381	struct src *src = apcm->src;
 382
 383	if (apcm->started)
 384		return 0;
 385	apcm->started = 1;
 386
 387	max_cisz = src->multi * src->rsc.msr;
 388	max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
 389
 390	src->ops->set_sa(src, apcm->vm_block->addr);
 391	src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
 392	src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
 393	src->ops->set_cisz(src, max_cisz);
 394
 395	src->ops->set_bm(src, 1);
 396	src->ops->set_state(src, SRC_STATE_INIT);
 397	src->ops->commit_write(src);
 398
 399	ct_timer_start(apcm->timer);
 400	return 0;
 401}
 402
 403static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 404{
 405	struct src *src;
 406	int i;
 407
 408	ct_timer_stop(apcm->timer);
 409
 410	src = apcm->src;
 411	src->ops->set_bm(src, 0);
 412	src->ops->set_state(src, SRC_STATE_OFF);
 413	src->ops->commit_write(src);
 414
 415	if (apcm->srccs) {
 416		for (i = 0; i < apcm->n_srcc; i++) {
 417			src = apcm->srccs[i];
 418			src->ops->set_bm(src, 0);
 419			src->ops->set_state(src, SRC_STATE_OFF);
 420			src->ops->commit_write(src);
 421		}
 422	}
 423
 424	apcm->started = 0;
 425
 426	return 0;
 427}
 428
 429static int
 430atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 431{
 432	struct src *src = apcm->src;
 433	u32 size, max_cisz;
 434	int position;
 435
 436	if (!src)
 437		return 0;
 438	position = src->ops->get_ca(src);
 439
 440	if (position < apcm->vm_block->addr) {
 441		dev_dbg(atc->card->dev,
 442			"bad ca - ca=0x%08x, vba=0x%08x, vbs=0x%08x\n",
 443			position, apcm->vm_block->addr, apcm->vm_block->size);
 444		position = apcm->vm_block->addr;
 445	}
 446
 447	size = apcm->vm_block->size;
 448	max_cisz = src->multi * src->rsc.msr;
 449	max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
 450
 451	return (position + size - max_cisz - apcm->vm_block->addr) % size;
 452}
 453
 454struct src_node_conf_t {
 455	unsigned int pitch;
 456	unsigned int msr:8;
 457	unsigned int mix_msr:8;
 458	unsigned int imp_msr:8;
 459	unsigned int vo:1;
 460};
 461
 462static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
 463				struct src_node_conf_t *conf, int *n_srcc)
 464{
 465	unsigned int pitch;
 466
 467	/* get pitch and convert to fixed-point 8.24 format. */
 468	pitch = atc_get_pitch((atc->rsr * atc->msr),
 469				apcm->substream->runtime->rate);
 470	*n_srcc = 0;
 471
 472	if (1 == atc->msr) { /* FIXME: do we really need SRC here if pitch==1 */
 473		*n_srcc = apcm->substream->runtime->channels;
 474		conf[0].pitch = pitch;
 475		conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
 476		conf[0].vo = 1;
 477	} else if (2 <= atc->msr) {
 478		if (0x8000000 < pitch) {
 479			/* Need two-stage SRCs, SRCIMPs and
 480			 * AMIXERs for converting format */
 481			conf[0].pitch = (atc->msr << 24);
 482			conf[0].msr = conf[0].mix_msr = 1;
 483			conf[0].imp_msr = atc->msr;
 484			conf[0].vo = 0;
 485			conf[1].pitch = atc_get_pitch(atc->rsr,
 486					apcm->substream->runtime->rate);
 487			conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
 488			conf[1].vo = 1;
 489			*n_srcc = apcm->substream->runtime->channels * 2;
 490		} else if (0x1000000 < pitch) {
 491			/* Need one-stage SRCs, SRCIMPs and
 492			 * AMIXERs for converting format */
 493			conf[0].pitch = pitch;
 494			conf[0].msr = conf[0].mix_msr
 495				    = conf[0].imp_msr = atc->msr;
 496			conf[0].vo = 1;
 497			*n_srcc = apcm->substream->runtime->channels;
 498		}
 499	}
 500}
 501
 502static int
 503atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 504{
 505	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 506	struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
 507	struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 508	struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
 509	struct src_desc src_dsc = {0};
 510	struct src *src;
 511	struct srcimp_desc srcimp_dsc = {0};
 512	struct srcimp *srcimp;
 513	struct amixer_desc mix_dsc = {0};
 514	struct sum_desc sum_dsc = {0};
 515	unsigned int pitch;
 516	int multi, err, i;
 517	int n_srcimp, n_amixer, n_srcc, n_sum;
 518	struct src_node_conf_t src_node_conf[2] = {{0} };
 519
 520	/* first release old resources */
 521	atc_pcm_release_resources(atc, apcm);
 522
 523	/* The numbers of converting SRCs and SRCIMPs should be determined
 524	 * by pitch value. */
 525
 526	multi = apcm->substream->runtime->channels;
 527
 528	/* get pitch and convert to fixed-point 8.24 format. */
 529	pitch = atc_get_pitch((atc->rsr * atc->msr),
 530				apcm->substream->runtime->rate);
 531
 532	setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
 533	n_sum = (1 == multi) ? 1 : 0;
 534	n_amixer = n_sum * 2 + n_srcc;
 535	n_srcimp = n_srcc;
 536	if ((multi > 1) && (0x8000000 >= pitch)) {
 537		/* Need extra AMIXERs and SRCIMPs for special treatment
 538		 * of interleaved recording of conjugate channels */
 539		n_amixer += multi * atc->msr;
 540		n_srcimp += multi * atc->msr;
 541	} else {
 542		n_srcimp += multi;
 543	}
 544
 545	if (n_srcc) {
 546		apcm->srccs = kzalloc(sizeof(void *)*n_srcc, GFP_KERNEL);
 547		if (!apcm->srccs)
 548			return -ENOMEM;
 549	}
 550	if (n_amixer) {
 551		apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 552		if (!apcm->amixers) {
 553			err = -ENOMEM;
 554			goto error1;
 555		}
 556	}
 557	apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL);
 558	if (!apcm->srcimps) {
 559		err = -ENOMEM;
 560		goto error1;
 561	}
 562
 563	/* Allocate SRCs for sample rate conversion if needed */
 564	src_dsc.multi = 1;
 565	src_dsc.mode = ARCRW;
 566	for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
 567		src_dsc.msr = src_node_conf[i/multi].msr;
 568		err = src_mgr->get_src(src_mgr, &src_dsc,
 569					(struct src **)&apcm->srccs[i]);
 570		if (err)
 571			goto error1;
 572
 573		src = apcm->srccs[i];
 574		pitch = src_node_conf[i/multi].pitch;
 575		src->ops->set_pitch(src, pitch);
 576		src->ops->set_rom(src, select_rom(pitch));
 577		src->ops->set_vo(src, src_node_conf[i/multi].vo);
 578
 579		apcm->n_srcc++;
 580	}
 581
 582	/* Allocate AMIXERs for routing SRCs of conversion if needed */
 583	for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 584		if (i < (n_sum*2))
 585			mix_dsc.msr = atc->msr;
 586		else if (i < (n_sum*2+n_srcc))
 587			mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
 588		else
 589			mix_dsc.msr = 1;
 590
 591		err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 592					(struct amixer **)&apcm->amixers[i]);
 593		if (err)
 594			goto error1;
 595
 596		apcm->n_amixer++;
 597	}
 598
 599	/* Allocate a SUM resource to mix all input channels together */
 600	sum_dsc.msr = atc->msr;
 601	err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
 602	if (err)
 603		goto error1;
 604
 605	pitch = atc_get_pitch((atc->rsr * atc->msr),
 606				apcm->substream->runtime->rate);
 607	/* Allocate SRCIMP resources */
 608	for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
 609		if (i < (n_srcc))
 610			srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
 611		else if (1 == multi)
 612			srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
 613		else
 614			srcimp_dsc.msr = 1;
 615
 616		err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
 617		if (err)
 618			goto error1;
 619
 620		apcm->srcimps[i] = srcimp;
 621		apcm->n_srcimp++;
 622	}
 623
 624	/* Allocate a SRC for writing data to host memory */
 625	src_dsc.multi = apcm->substream->runtime->channels;
 626	src_dsc.msr = 1;
 627	src_dsc.mode = MEMWR;
 628	err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
 629	if (err)
 630		goto error1;
 631
 632	src = apcm->src;
 633	src->ops->set_pitch(src, pitch);
 634
 635	/* Set up device virtual mem map */
 636	err = ct_map_audio_buffer(atc, apcm);
 637	if (err < 0)
 638		goto error1;
 639
 640	return 0;
 641
 642error1:
 643	atc_pcm_release_resources(atc, apcm);
 644	return err;
 645}
 646
 647static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 648{
 649	struct src *src;
 650	struct amixer *amixer;
 651	struct srcimp *srcimp;
 652	struct ct_mixer *mixer = atc->mixer;
 653	struct sum *mono;
 654	struct rsc *out_ports[8] = {NULL};
 655	int err, i, j, n_sum, multi;
 656	unsigned int pitch;
 657	int mix_base = 0, imp_base = 0;
 658
 659	atc_pcm_release_resources(atc, apcm);
 660
 661	/* Get needed resources. */
 662	err = atc_pcm_capture_get_resources(atc, apcm);
 663	if (err)
 664		return err;
 665
 666	/* Connect resources */
 667	mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
 668				&out_ports[0], &out_ports[1]);
 669
 670	multi = apcm->substream->runtime->channels;
 671	if (1 == multi) {
 672		mono = apcm->mono;
 673		for (i = 0; i < 2; i++) {
 674			amixer = apcm->amixers[i];
 675			amixer->ops->setup(amixer, out_ports[i],
 676						MONO_SUM_SCALE, mono);
 677		}
 678		out_ports[0] = &mono->rsc;
 679		n_sum = 1;
 680		mix_base = n_sum * 2;
 681	}
 682
 683	for (i = 0; i < apcm->n_srcc; i++) {
 684		src = apcm->srccs[i];
 685		srcimp = apcm->srcimps[imp_base+i];
 686		amixer = apcm->amixers[mix_base+i];
 687		srcimp->ops->map(srcimp, src, out_ports[i%multi]);
 688		amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
 689		out_ports[i%multi] = &amixer->rsc;
 690	}
 691
 692	pitch = atc_get_pitch((atc->rsr * atc->msr),
 693				apcm->substream->runtime->rate);
 694
 695	if ((multi > 1) && (pitch <= 0x8000000)) {
 696		/* Special connection for interleaved
 697		 * recording with conjugate channels */
 698		for (i = 0; i < multi; i++) {
 699			out_ports[i]->ops->master(out_ports[i]);
 700			for (j = 0; j < atc->msr; j++) {
 701				amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
 702				amixer->ops->set_input(amixer, out_ports[i]);
 703				amixer->ops->set_scale(amixer, INIT_VOL);
 704				amixer->ops->set_sum(amixer, NULL);
 705				amixer->ops->commit_raw_write(amixer);
 706				out_ports[i]->ops->next_conj(out_ports[i]);
 707
 708				srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
 709				srcimp->ops->map(srcimp, apcm->src,
 710							&amixer->rsc);
 711			}
 712		}
 713	} else {
 714		for (i = 0; i < multi; i++) {
 715			srcimp = apcm->srcimps[apcm->n_srcc+i];
 716			srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
 717		}
 718	}
 719
 720	ct_timer_prepare(apcm->timer);
 721
 722	return 0;
 723}
 724
 725static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 726{
 727	struct src *src;
 728	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 729	int i, multi;
 730
 731	if (apcm->started)
 732		return 0;
 733
 734	apcm->started = 1;
 735	multi = apcm->substream->runtime->channels;
 736	/* Set up converting SRCs */
 737	for (i = 0; i < apcm->n_srcc; i++) {
 738		src = apcm->srccs[i];
 739		src->ops->set_pm(src, ((i%multi) != (multi-1)));
 740		src_mgr->src_disable(src_mgr, src);
 741	}
 742
 743	/*  Set up recording SRC */
 744	src = apcm->src;
 745	src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
 746					     atc->card));
 747	src->ops->set_sa(src, apcm->vm_block->addr);
 748	src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
 749	src->ops->set_ca(src, apcm->vm_block->addr);
 750	src_mgr->src_disable(src_mgr, src);
 751
 752	/* Disable relevant SRCs firstly */
 753	src_mgr->commit_write(src_mgr);
 754
 755	/* Enable SRCs respectively */
 756	for (i = 0; i < apcm->n_srcc; i++) {
 757		src = apcm->srccs[i];
 758		src->ops->set_state(src, SRC_STATE_RUN);
 759		src->ops->commit_write(src);
 760		src_mgr->src_enable_s(src_mgr, src);
 761	}
 762	src = apcm->src;
 763	src->ops->set_bm(src, 1);
 764	src->ops->set_state(src, SRC_STATE_RUN);
 765	src->ops->commit_write(src);
 766	src_mgr->src_enable_s(src_mgr, src);
 767
 768	/* Enable relevant SRCs synchronously */
 769	src_mgr->commit_write(src_mgr);
 770
 771	ct_timer_start(apcm->timer);
 772	return 0;
 773}
 774
 775static int
 776atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 777{
 778	struct src *src = apcm->src;
 779
 780	if (!src)
 781		return 0;
 782	return src->ops->get_ca(src) - apcm->vm_block->addr;
 783}
 784
 785static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
 786						 struct ct_atc_pcm *apcm)
 787{
 788	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 789	struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 790	struct src_desc desc = {0};
 791	struct amixer_desc mix_dsc = {0};
 792	struct src *src;
 793	int err;
 794	int n_amixer = apcm->substream->runtime->channels, i;
 795	unsigned int pitch, rsr = atc->pll_rate;
 796
 797	/* first release old resources */
 798	atc_pcm_release_resources(atc, apcm);
 799
 800	/* Get SRC resource */
 801	desc.multi = apcm->substream->runtime->channels;
 802	desc.msr = 1;
 803	while (apcm->substream->runtime->rate > (rsr * desc.msr))
 804		desc.msr <<= 1;
 805
 806	desc.mode = MEMRD;
 807	err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 808	if (err)
 809		goto error1;
 810
 811	pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
 812	src = apcm->src;
 813	src->ops->set_pitch(src, pitch);
 814	src->ops->set_rom(src, select_rom(pitch));
 815	src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
 816					     atc->card));
 817	src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 818	src->ops->set_bp(src, 1);
 819
 820	/* Get AMIXER resource */
 821	n_amixer = (n_amixer < 2) ? 2 : n_amixer;
 822	apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 823	if (!apcm->amixers) {
 824		err = -ENOMEM;
 825		goto error1;
 826	}
 827	mix_dsc.msr = desc.msr;
 828	for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 829		err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 830					(struct amixer **)&apcm->amixers[i]);
 831		if (err)
 832			goto error1;
 833
 834		apcm->n_amixer++;
 835	}
 836
 837	/* Set up device virtual mem map */
 838	err = ct_map_audio_buffer(atc, apcm);
 839	if (err < 0)
 840		goto error1;
 841
 842	return 0;
 843
 844error1:
 845	atc_pcm_release_resources(atc, apcm);
 846	return err;
 847}
 848
 849static int atc_pll_init(struct ct_atc *atc, int rate)
 850{
 851	struct hw *hw = atc->hw;
 852	int err;
 853	err = hw->pll_init(hw, rate);
 854	atc->pll_rate = err ? 0 : rate;
 855	return err;
 856}
 857
 858static int
 859spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 860{
 861	struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 862	unsigned int rate = apcm->substream->runtime->rate;
 863	unsigned int status;
 864	int err = 0;
 865	unsigned char iec958_con_fs;
 866
 867	switch (rate) {
 868	case 48000:
 869		iec958_con_fs = IEC958_AES3_CON_FS_48000;
 870		break;
 871	case 44100:
 872		iec958_con_fs = IEC958_AES3_CON_FS_44100;
 873		break;
 874	case 32000:
 875		iec958_con_fs = IEC958_AES3_CON_FS_32000;
 876		break;
 877	default:
 878		return -ENOENT;
 879	}
 880
 881	mutex_lock(&atc->atc_mutex);
 882	dao->ops->get_spos(dao, &status);
 883	if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
 884		status &= ~(IEC958_AES3_CON_FS << 24);
 885		status |= (iec958_con_fs << 24);
 886		dao->ops->set_spos(dao, status);
 887		dao->ops->commit_write(dao);
 888	}
 889	if ((rate != atc->pll_rate) && (32000 != rate))
 890		err = atc_pll_init(atc, rate);
 891	mutex_unlock(&atc->atc_mutex);
 892
 893	return err;
 894}
 895
 896static int
 897spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 898{
 899	struct src *src;
 900	struct amixer *amixer;
 901	struct dao *dao;
 902	int err;
 903	int i;
 904
 905	atc_pcm_release_resources(atc, apcm);
 906
 907	/* Configure SPDIFOO and PLL to passthrough mode;
 908	 * determine pll_rate. */
 909	err = spdif_passthru_playback_setup(atc, apcm);
 910	if (err)
 911		return err;
 912
 913	/* Get needed resources. */
 914	err = spdif_passthru_playback_get_resources(atc, apcm);
 915	if (err)
 916		return err;
 917
 918	/* Connect resources */
 919	src = apcm->src;
 920	for (i = 0; i < apcm->n_amixer; i++) {
 921		amixer = apcm->amixers[i];
 922		amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
 923		src = src->ops->next_interleave(src);
 924		if (!src)
 925			src = apcm->src;
 926	}
 927	/* Connect to SPDIFOO */
 928	mutex_lock(&atc->atc_mutex);
 929	dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 930	amixer = apcm->amixers[0];
 931	dao->ops->set_left_input(dao, &amixer->rsc);
 932	amixer = apcm->amixers[1];
 933	dao->ops->set_right_input(dao, &amixer->rsc);
 934	mutex_unlock(&atc->atc_mutex);
 935
 936	ct_timer_prepare(apcm->timer);
 937
 938	return 0;
 939}
 940
 941static int atc_select_line_in(struct ct_atc *atc)
 942{
 943	struct hw *hw = atc->hw;
 944	struct ct_mixer *mixer = atc->mixer;
 945	struct src *src;
 946
 947	if (hw->is_adc_source_selected(hw, ADC_LINEIN))
 948		return 0;
 949
 950	mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
 951	mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
 952
 953	hw->select_adc_source(hw, ADC_LINEIN);
 954
 955	src = atc->srcs[2];
 956	mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
 957	src = atc->srcs[3];
 958	mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
 959
 960	return 0;
 961}
 962
 963static int atc_select_mic_in(struct ct_atc *atc)
 964{
 965	struct hw *hw = atc->hw;
 966	struct ct_mixer *mixer = atc->mixer;
 967	struct src *src;
 968
 969	if (hw->is_adc_source_selected(hw, ADC_MICIN))
 970		return 0;
 971
 972	mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
 973	mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
 974
 975	hw->select_adc_source(hw, ADC_MICIN);
 976
 977	src = atc->srcs[2];
 978	mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
 979	src = atc->srcs[3];
 980	mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
 981
 982	return 0;
 983}
 984
 985static struct capabilities atc_capabilities(struct ct_atc *atc)
 986{
 987	struct hw *hw = atc->hw;
 988
 989	return hw->capabilities(hw);
 990}
 991
 992static int atc_output_switch_get(struct ct_atc *atc)
 993{
 994	struct hw *hw = atc->hw;
 995
 996	return hw->output_switch_get(hw);
 997}
 998
 999static int atc_output_switch_put(struct ct_atc *atc, int position)
1000{
1001	struct hw *hw = atc->hw;
1002
1003	return hw->output_switch_put(hw, position);
1004}
1005
1006static int atc_mic_source_switch_get(struct ct_atc *atc)
1007{
1008	struct hw *hw = atc->hw;
1009
1010	return hw->mic_source_switch_get(hw);
1011}
1012
1013static int atc_mic_source_switch_put(struct ct_atc *atc, int position)
1014{
1015	struct hw *hw = atc->hw;
1016
1017	return hw->mic_source_switch_put(hw, position);
1018}
1019
1020static int atc_select_digit_io(struct ct_atc *atc)
1021{
1022	struct hw *hw = atc->hw;
1023
1024	if (hw->is_adc_source_selected(hw, ADC_NONE))
1025		return 0;
1026
1027	hw->select_adc_source(hw, ADC_NONE);
1028
1029	return 0;
1030}
1031
1032static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
1033{
1034	struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
1035
1036	if (state)
1037		daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
1038	else
1039		daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1040
1041	daio_mgr->commit_write(daio_mgr);
1042
1043	return 0;
1044}
1045
1046static int
1047atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1048{
1049	struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1050	return dao->ops->get_spos(dao, status);
1051}
1052
1053static int
1054atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1055{
1056	struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1057
1058	dao->ops->set_spos(dao, status);
1059	dao->ops->commit_write(dao);
1060	return 0;
1061}
1062
1063static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1064{
1065	return atc_daio_unmute(atc, state, LINEO1);
1066}
1067
1068static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1069{
1070	return atc_daio_unmute(atc, state, LINEO2);
1071}
1072
1073static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1074{
1075	return atc_daio_unmute(atc, state, LINEO3);
1076}
1077
1078static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1079{
1080	return atc_daio_unmute(atc, state, LINEO4);
1081}
1082
1083static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1084{
1085	return atc_daio_unmute(atc, state, LINEIM);
1086}
1087
1088static int atc_mic_unmute(struct ct_atc *atc, unsigned char state)
1089{
1090	return atc_daio_unmute(atc, state, MIC);
1091}
1092
1093static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1094{
1095	return atc_daio_unmute(atc, state, SPDIFOO);
1096}
1097
1098static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1099{
1100	return atc_daio_unmute(atc, state, SPDIFIO);
1101}
1102
1103static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1104{
1105	return atc_dao_get_status(atc, status, SPDIFOO);
1106}
1107
1108static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1109{
1110	return atc_dao_set_status(atc, status, SPDIFOO);
1111}
1112
1113static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1114{
1115	struct dao_desc da_dsc = {0};
1116	struct dao *dao;
1117	int err;
1118	struct ct_mixer *mixer = atc->mixer;
1119	struct rsc *rscs[2] = {NULL};
1120	unsigned int spos = 0;
1121
1122	mutex_lock(&atc->atc_mutex);
1123	dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1124	da_dsc.msr = state ? 1 : atc->msr;
1125	da_dsc.passthru = state ? 1 : 0;
1126	err = dao->ops->reinit(dao, &da_dsc);
1127	if (state) {
1128		spos = IEC958_DEFAULT_CON;
1129	} else {
1130		mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1131					&rscs[0], &rscs[1]);
1132		dao->ops->set_left_input(dao, rscs[0]);
1133		dao->ops->set_right_input(dao, rscs[1]);
1134		/* Restore PLL to atc->rsr if needed. */
1135		if (atc->pll_rate != atc->rsr)
1136			err = atc_pll_init(atc, atc->rsr);
1137	}
1138	dao->ops->set_spos(dao, spos);
1139	dao->ops->commit_write(dao);
1140	mutex_unlock(&atc->atc_mutex);
1141
1142	return err;
1143}
1144
1145static int atc_release_resources(struct ct_atc *atc)
1146{
1147	int i;
1148	struct daio_mgr *daio_mgr = NULL;
1149	struct dao *dao = NULL;
1150	struct daio *daio = NULL;
1151	struct sum_mgr *sum_mgr = NULL;
1152	struct src_mgr *src_mgr = NULL;
1153	struct srcimp_mgr *srcimp_mgr = NULL;
1154	struct srcimp *srcimp = NULL;
1155	struct ct_mixer *mixer = NULL;
1156
1157	/* disconnect internal mixer objects */
1158	if (atc->mixer) {
1159		mixer = atc->mixer;
1160		mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1161		mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1162		mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1163		mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1164		mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1165		mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1166	}
1167
1168	if (atc->daios) {
1169		daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1170		for (i = 0; i < atc->n_daio; i++) {
1171			daio = atc->daios[i];
1172			if (daio->type < LINEIM) {
1173				dao = container_of(daio, struct dao, daio);
1174				dao->ops->clear_left_input(dao);
1175				dao->ops->clear_right_input(dao);
1176			}
1177			daio_mgr->put_daio(daio_mgr, daio);
1178		}
1179		kfree(atc->daios);
1180		atc->daios = NULL;
1181	}
1182
1183	if (atc->pcm) {
1184		sum_mgr = atc->rsc_mgrs[SUM];
1185		for (i = 0; i < atc->n_pcm; i++)
1186			sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1187
1188		kfree(atc->pcm);
1189		atc->pcm = NULL;
1190	}
1191
1192	if (atc->srcs) {
1193		src_mgr = atc->rsc_mgrs[SRC];
1194		for (i = 0; i < atc->n_src; i++)
1195			src_mgr->put_src(src_mgr, atc->srcs[i]);
1196
1197		kfree(atc->srcs);
1198		atc->srcs = NULL;
1199	}
1200
1201	if (atc->srcimps) {
1202		srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1203		for (i = 0; i < atc->n_srcimp; i++) {
1204			srcimp = atc->srcimps[i];
1205			srcimp->ops->unmap(srcimp);
1206			srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1207		}
1208		kfree(atc->srcimps);
1209		atc->srcimps = NULL;
1210	}
1211
1212	return 0;
1213}
1214
1215static int ct_atc_destroy(struct ct_atc *atc)
1216{
1217	int i = 0;
1218
1219	if (!atc)
1220		return 0;
1221
1222	if (atc->timer) {
1223		ct_timer_free(atc->timer);
1224		atc->timer = NULL;
1225	}
1226
1227	atc_release_resources(atc);
1228
1229	/* Destroy internal mixer objects */
1230	if (atc->mixer)
1231		ct_mixer_destroy(atc->mixer);
1232
1233	for (i = 0; i < NUM_RSCTYP; i++) {
1234		if (rsc_mgr_funcs[i].destroy && atc->rsc_mgrs[i])
1235			rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1236
1237	}
1238
1239	if (atc->hw)
1240		destroy_hw_obj(atc->hw);
1241
1242	/* Destroy device virtual memory manager object */
1243	if (atc->vm) {
1244		ct_vm_destroy(atc->vm);
1245		atc->vm = NULL;
1246	}
1247
1248	kfree(atc);
1249
1250	return 0;
1251}
1252
1253static int atc_dev_free(struct snd_device *dev)
1254{
1255	struct ct_atc *atc = dev->device_data;
1256	return ct_atc_destroy(atc);
1257}
1258
1259static int atc_identify_card(struct ct_atc *atc, unsigned int ssid)
1260{
1261	const struct snd_pci_quirk *p;
1262	const struct snd_pci_quirk *list;
1263	u16 vendor_id, device_id;
1264
1265	switch (atc->chip_type) {
1266	case ATC20K1:
1267		atc->chip_name = "20K1";
1268		list = subsys_20k1_list;
1269		break;
1270	case ATC20K2:
1271		atc->chip_name = "20K2";
1272		list = subsys_20k2_list;
1273		break;
1274	default:
1275		return -ENOENT;
1276	}
1277	if (ssid) {
1278		vendor_id = ssid >> 16;
1279		device_id = ssid & 0xffff;
1280	} else {
1281		vendor_id = atc->pci->subsystem_vendor;
1282		device_id = atc->pci->subsystem_device;
1283	}
1284	p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
1285	if (p) {
1286		if (p->value < 0) {
1287			dev_err(atc->card->dev,
1288				"Device %04x:%04x is black-listed\n",
1289				vendor_id, device_id);
1290			return -ENOENT;
1291		}
1292		atc->model = p->value;
1293	} else {
1294		if (atc->chip_type == ATC20K1)
1295			atc->model = CT20K1_UNKNOWN;
1296		else
1297			atc->model = CT20K2_UNKNOWN;
1298	}
1299	atc->model_name = ct_subsys_name[atc->model];
1300	dev_info(atc->card->dev, "chip %s model %s (%04x:%04x) is found\n",
1301		   atc->chip_name, atc->model_name,
1302		   vendor_id, device_id);
1303	return 0;
1304}
1305
1306int ct_atc_create_alsa_devs(struct ct_atc *atc)
1307{
1308	enum CTALSADEVS i;
1309	int err;
1310
1311	alsa_dev_funcs[MIXER].public_name = atc->chip_name;
1312
1313	for (i = 0; i < NUM_CTALSADEVS; i++) {
1314		if (!alsa_dev_funcs[i].create)
1315			continue;
1316
1317		err = alsa_dev_funcs[i].create(atc, i,
1318				alsa_dev_funcs[i].public_name);
1319		if (err) {
1320			dev_err(atc->card->dev,
1321				"Creating alsa device %d failed!\n", i);
1322			return err;
1323		}
1324	}
1325
1326	return 0;
1327}
1328
1329static int atc_create_hw_devs(struct ct_atc *atc)
1330{
1331	struct hw *hw;
1332	struct card_conf info = {0};
1333	int i, err;
1334
1335	err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
1336	if (err) {
1337		dev_err(atc->card->dev, "Failed to create hw obj!!!\n");
1338		return err;
1339	}
1340	hw->card = atc->card;
1341	atc->hw = hw;
1342
1343	/* Initialize card hardware. */
1344	info.rsr = atc->rsr;
1345	info.msr = atc->msr;
1346	info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1347	err = hw->card_init(hw, &info);
1348	if (err < 0)
1349		return err;
1350
1351	for (i = 0; i < NUM_RSCTYP; i++) {
1352		if (!rsc_mgr_funcs[i].create)
1353			continue;
1354
1355		err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1356		if (err) {
1357			dev_err(atc->card->dev,
1358				"Failed to create rsc_mgr %d!!!\n", i);
1359			return err;
1360		}
1361	}
1362
1363	return 0;
1364}
1365
1366static int atc_get_resources(struct ct_atc *atc)
1367{
1368	struct daio_desc da_desc = {0};
1369	struct daio_mgr *daio_mgr;
1370	struct src_desc src_dsc = {0};
1371	struct src_mgr *src_mgr;
1372	struct srcimp_desc srcimp_dsc = {0};
1373	struct srcimp_mgr *srcimp_mgr;
1374	struct sum_desc sum_dsc = {0};
1375	struct sum_mgr *sum_mgr;
1376	int err, i, num_srcs, num_daios;
1377
1378	num_daios = ((atc->model == CTSB1270) ? 8 : 7);
1379	num_srcs = ((atc->model == CTSB1270) ? 6 : 4);
1380
1381	atc->daios = kzalloc(sizeof(void *)*num_daios, GFP_KERNEL);
1382	if (!atc->daios)
1383		return -ENOMEM;
1384
1385	atc->srcs = kzalloc(sizeof(void *)*num_srcs, GFP_KERNEL);
1386	if (!atc->srcs)
1387		return -ENOMEM;
1388
1389	atc->srcimps = kzalloc(sizeof(void *)*num_srcs, GFP_KERNEL);
1390	if (!atc->srcimps)
1391		return -ENOMEM;
1392
1393	atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL);
1394	if (!atc->pcm)
1395		return -ENOMEM;
1396
1397	daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1398	da_desc.msr = atc->msr;
1399	for (i = 0, atc->n_daio = 0; i < num_daios; i++) {
1400		da_desc.type = (atc->model != CTSB073X) ? i :
1401			     ((i == SPDIFIO) ? SPDIFI1 : i);
1402		err = daio_mgr->get_daio(daio_mgr, &da_desc,
1403					(struct daio **)&atc->daios[i]);
1404		if (err) {
1405			dev_err(atc->card->dev,
1406				"Failed to get DAIO resource %d!!!\n",
1407				i);
1408			return err;
1409		}
1410		atc->n_daio++;
1411	}
1412
1413	src_mgr = atc->rsc_mgrs[SRC];
1414	src_dsc.multi = 1;
1415	src_dsc.msr = atc->msr;
1416	src_dsc.mode = ARCRW;
1417	for (i = 0, atc->n_src = 0; i < num_srcs; i++) {
1418		err = src_mgr->get_src(src_mgr, &src_dsc,
1419					(struct src **)&atc->srcs[i]);
1420		if (err)
1421			return err;
1422
1423		atc->n_src++;
1424	}
1425
1426	srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1427	srcimp_dsc.msr = 8;
1428	for (i = 0, atc->n_srcimp = 0; i < num_srcs; i++) {
1429		err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1430					(struct srcimp **)&atc->srcimps[i]);
1431		if (err)
1432			return err;
1433
1434		atc->n_srcimp++;
1435	}
1436
1437	sum_mgr = atc->rsc_mgrs[SUM];
1438	sum_dsc.msr = atc->msr;
1439	for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1440		err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1441					(struct sum **)&atc->pcm[i]);
1442		if (err)
1443			return err;
1444
1445		atc->n_pcm++;
1446	}
1447
1448	return 0;
1449}
1450
1451static void
1452atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1453		struct src **srcs, struct srcimp **srcimps)
1454{
1455	struct rsc *rscs[2] = {NULL};
1456	struct src *src;
1457	struct srcimp *srcimp;
1458	int i = 0;
1459
1460	rscs[0] = &dai->daio.rscl;
1461	rscs[1] = &dai->daio.rscr;
1462	for (i = 0; i < 2; i++) {
1463		src = srcs[i];
1464		srcimp = srcimps[i];
1465		srcimp->ops->map(srcimp, src, rscs[i]);
1466		src_mgr->src_disable(src_mgr, src);
1467	}
1468
1469	src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1470
1471	src = srcs[0];
1472	src->ops->set_pm(src, 1);
1473	for (i = 0; i < 2; i++) {
1474		src = srcs[i];
1475		src->ops->set_state(src, SRC_STATE_RUN);
1476		src->ops->commit_write(src);
1477		src_mgr->src_enable_s(src_mgr, src);
1478	}
1479
1480	dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1481	dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1482
1483	dai->ops->set_enb_src(dai, 1);
1484	dai->ops->set_enb_srt(dai, 1);
1485	dai->ops->commit_write(dai);
1486
1487	src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1488}
1489
1490static void atc_connect_resources(struct ct_atc *atc)
1491{
1492	struct dai *dai;
1493	struct dao *dao;
1494	struct src *src;
1495	struct sum *sum;
1496	struct ct_mixer *mixer;
1497	struct rsc *rscs[2] = {NULL};
1498	int i, j;
1499
1500	mixer = atc->mixer;
1501
1502	for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1503		mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1504		dao = container_of(atc->daios[j], struct dao, daio);
1505		dao->ops->set_left_input(dao, rscs[0]);
1506		dao->ops->set_right_input(dao, rscs[1]);
1507	}
1508
1509	dai = container_of(atc->daios[LINEIM], struct dai, daio);
1510	atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1511			(struct src **)&atc->srcs[2],
1512			(struct srcimp **)&atc->srcimps[2]);
1513	src = atc->srcs[2];
1514	mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1515	src = atc->srcs[3];
1516	mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1517
1518	if (atc->model == CTSB1270) {
1519		/* Titanium HD has a dedicated ADC for the Mic. */
1520		dai = container_of(atc->daios[MIC], struct dai, daio);
1521		atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1522			(struct src **)&atc->srcs[4],
1523			(struct srcimp **)&atc->srcimps[4]);
1524		src = atc->srcs[4];
1525		mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
1526		src = atc->srcs[5];
1527		mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
1528	}
1529
1530	dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1531	atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1532			(struct src **)&atc->srcs[0],
1533			(struct srcimp **)&atc->srcimps[0]);
1534
1535	src = atc->srcs[0];
1536	mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1537	src = atc->srcs[1];
1538	mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1539
1540	for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1541		sum = atc->pcm[j];
1542		mixer->set_input_left(mixer, i, &sum->rsc);
1543		sum = atc->pcm[j+1];
1544		mixer->set_input_right(mixer, i, &sum->rsc);
1545	}
1546}
1547
1548#ifdef CONFIG_PM_SLEEP
1549static int atc_suspend(struct ct_atc *atc)
1550{
1551	int i;
1552	struct hw *hw = atc->hw;
1553
1554	snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
1555
1556	for (i = FRONT; i < NUM_PCMS; i++) {
1557		if (!atc->pcms[i])
1558			continue;
1559
1560		snd_pcm_suspend_all(atc->pcms[i]);
1561	}
1562
1563	atc_release_resources(atc);
1564
1565	hw->suspend(hw);
1566
1567	return 0;
1568}
1569
1570static int atc_hw_resume(struct ct_atc *atc)
1571{
1572	struct hw *hw = atc->hw;
1573	struct card_conf info = {0};
1574
1575	/* Re-initialize card hardware. */
1576	info.rsr = atc->rsr;
1577	info.msr = atc->msr;
1578	info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1579	return hw->resume(hw, &info);
1580}
1581
1582static int atc_resources_resume(struct ct_atc *atc)
1583{
1584	struct ct_mixer *mixer;
1585	int err = 0;
1586
1587	/* Get resources */
1588	err = atc_get_resources(atc);
1589	if (err < 0) {
1590		atc_release_resources(atc);
1591		return err;
1592	}
1593
1594	/* Build topology */
1595	atc_connect_resources(atc);
1596
1597	mixer = atc->mixer;
1598	mixer->resume(mixer);
1599
1600	return 0;
1601}
1602
1603static int atc_resume(struct ct_atc *atc)
1604{
1605	int err = 0;
1606
1607	/* Do hardware resume. */
1608	err = atc_hw_resume(atc);
1609	if (err < 0) {
1610		dev_err(atc->card->dev,
1611			"pci_enable_device failed, disabling device\n");
1612		snd_card_disconnect(atc->card);
1613		return err;
1614	}
1615
1616	err = atc_resources_resume(atc);
1617	if (err < 0)
1618		return err;
1619
1620	snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
1621
1622	return 0;
1623}
1624#endif
1625
1626static const struct ct_atc atc_preset = {
1627	.map_audio_buffer = ct_map_audio_buffer,
1628	.unmap_audio_buffer = ct_unmap_audio_buffer,
1629	.pcm_playback_prepare = atc_pcm_playback_prepare,
1630	.pcm_release_resources = atc_pcm_release_resources,
1631	.pcm_playback_start = atc_pcm_playback_start,
1632	.pcm_playback_stop = atc_pcm_stop,
1633	.pcm_playback_position = atc_pcm_playback_position,
1634	.pcm_capture_prepare = atc_pcm_capture_prepare,
1635	.pcm_capture_start = atc_pcm_capture_start,
1636	.pcm_capture_stop = atc_pcm_stop,
1637	.pcm_capture_position = atc_pcm_capture_position,
1638	.spdif_passthru_playback_prepare = spdif_passthru_playback_prepare,
1639	.get_ptp_phys = atc_get_ptp_phys,
1640	.select_line_in = atc_select_line_in,
1641	.select_mic_in = atc_select_mic_in,
1642	.select_digit_io = atc_select_digit_io,
1643	.line_front_unmute = atc_line_front_unmute,
1644	.line_surround_unmute = atc_line_surround_unmute,
1645	.line_clfe_unmute = atc_line_clfe_unmute,
1646	.line_rear_unmute = atc_line_rear_unmute,
1647	.line_in_unmute = atc_line_in_unmute,
1648	.mic_unmute = atc_mic_unmute,
1649	.spdif_out_unmute = atc_spdif_out_unmute,
1650	.spdif_in_unmute = atc_spdif_in_unmute,
1651	.spdif_out_get_status = atc_spdif_out_get_status,
1652	.spdif_out_set_status = atc_spdif_out_set_status,
1653	.spdif_out_passthru = atc_spdif_out_passthru,
1654	.capabilities = atc_capabilities,
1655	.output_switch_get = atc_output_switch_get,
1656	.output_switch_put = atc_output_switch_put,
1657	.mic_source_switch_get = atc_mic_source_switch_get,
1658	.mic_source_switch_put = atc_mic_source_switch_put,
1659#ifdef CONFIG_PM_SLEEP
1660	.suspend = atc_suspend,
1661	.resume = atc_resume,
1662#endif
1663};
1664
1665/**
1666 *  ct_atc_create - create and initialize a hardware manager
1667 *  @card: corresponding alsa card object
1668 *  @pci: corresponding kernel pci device object
 
 
 
 
1669 *  @ratc: return created object address in it
1670 *
1671 *  Creates and initializes a hardware manager.
1672 *
1673 *  Creates kmallocated ct_atc structure. Initializes hardware.
1674 *  Returns 0 if succeeds, or negative error code if fails.
1675 */
1676
1677int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1678		  unsigned int rsr, unsigned int msr,
1679		  int chip_type, unsigned int ssid,
1680		  struct ct_atc **ratc)
1681{
1682	struct ct_atc *atc;
1683	static struct snd_device_ops ops = {
1684		.dev_free = atc_dev_free,
1685	};
1686	int err;
1687
1688	*ratc = NULL;
1689
1690	atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1691	if (!atc)
1692		return -ENOMEM;
1693
1694	/* Set operations */
1695	*atc = atc_preset;
1696
1697	atc->card = card;
1698	atc->pci = pci;
1699	atc->rsr = rsr;
1700	atc->msr = msr;
1701	atc->chip_type = chip_type;
1702
1703	mutex_init(&atc->atc_mutex);
1704
1705	/* Find card model */
1706	err = atc_identify_card(atc, ssid);
1707	if (err < 0) {
1708		dev_err(card->dev, "ctatc: Card not recognised\n");
1709		goto error1;
1710	}
1711
1712	/* Set up device virtual memory management object */
1713	err = ct_vm_create(&atc->vm, pci);
1714	if (err < 0)
1715		goto error1;
1716
1717	/* Create all atc hw devices */
1718	err = atc_create_hw_devs(atc);
1719	if (err < 0)
1720		goto error1;
1721
1722	err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1723	if (err) {
1724		dev_err(card->dev, "Failed to create mixer obj!!!\n");
1725		goto error1;
1726	}
1727
1728	/* Get resources */
1729	err = atc_get_resources(atc);
1730	if (err < 0)
1731		goto error1;
1732
1733	/* Build topology */
1734	atc_connect_resources(atc);
1735
1736	atc->timer = ct_timer_new(atc);
1737	if (!atc->timer) {
1738		err = -ENOMEM;
1739		goto error1;
1740	}
1741
1742	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1743	if (err < 0)
1744		goto error1;
1745
1746	*ratc = atc;
1747	return 0;
1748
1749error1:
1750	ct_atc_destroy(atc);
1751	dev_err(card->dev, "Something wrong!!!\n");
1752	return err;
1753}