linux/sound/pci/ctxfi/ctatc.c
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   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}
1747