linux/sound/pci/ctxfi/ctatc.c
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   1/**
   2 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   3 *
   4 * This source file is released under GPL v2 license (no other versions).
   5 * See the COPYING file included in the main directory of this source
   6 * distribution for the license terms and conditions.
   7 *
   8 * @File    ctatc.c
   9 *
  10 * @Brief
  11 * This file contains the implementation of the device resource management
  12 * object.
  13 *
  14 * @Author Liu Chun
  15 * @Date Mar 28 2008
  16 */
  17
  18#include "ctatc.h"
  19#include "ctpcm.h"
  20#include "ctmixer.h"
  21#include "ctsrc.h"
  22#include "ctamixer.h"
  23#include "ctdaio.h"
  24#include "cttimer.h"
  25#include <linux/delay.h>
  26#include <linux/slab.h>
  27#include <sound/pcm.h>
  28#include <sound/control.h>
  29#include <sound/asoundef.h>
  30
  31#define MONO_SUM_SCALE  0x19a8  /* 2^(-0.5) in 14-bit floating format */
  32#define MAX_MULTI_CHN   8
  33
  34#define IEC958_DEFAULT_CON ((IEC958_AES0_NONAUDIO \
  35                            | IEC958_AES0_CON_NOT_COPYRIGHT) \
  36                            | ((IEC958_AES1_CON_MIXER \
  37                            | IEC958_AES1_CON_ORIGINAL) << 8) \
  38                            | (0x10 << 16) \
  39                            | ((IEC958_AES3_CON_FS_48000) << 24))
  40
  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 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}
1754