sound/pci/ctxfi/ctatc.c

   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 "cthardware.h"
  22 #include "ctsrc.h"
  23 #include "ctamixer.h"
  24 #include "ctdaio.h"
  25 #include "cttimer.h"
  26 #include <linux/delay.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 DAIONUM         7
  33 #define MAX_MULTI_CHN   8
  34
  35 #define IEC958_DEFAULT_CON ((IEC958_AES0_NONAUDIO \
  36                             | IEC958_AES0_CON_NOT_COPYRIGHT) \
  37                             | ((IEC958_AES1_CON_MIXER \
  38                             | IEC958_AES1_CON_ORIGINAL) << 8) \
  39                             | (0x10 << 16) \
  40                             | ((IEC958_AES3_CON_FS_48000) << 24))
  41
  42 static struct snd_pci_quirk __devinitdata subsys_20k1_list[] = {
  43         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0022, "SB055x", CTSB055X),
  44         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x002f, "SB055x", CTSB055X),
  45         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0029, "SB073x", CTSB073X),
  46         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0031, "SB073x", CTSB073X),
  47         SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000, 0x6000,
  48                            "UAA", CTUAA),
  49         SND_PCI_QUIRK_VENDOR(PCI_VENDOR_ID_CREATIVE,
  50                              "Unknown", CT20K1_UNKNOWN),
  51         { } /* terminator */
  52 };
  53
  54 static struct snd_pci_quirk __devinitdata subsys_20k2_list[] = {
  55         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
  56                       "SB0760", CTSB0760),
  57         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
  58                       "SB0880", CTSB0880),
  59         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
  60                       "SB0880", CTSB0880),
  61         SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
  62                       "SB0880", CTSB0880),
  63         SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000,
  64                            PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "HENDRIX",
  65                            CTHENDRIX),
  66         { } /* terminator */
  67 };
  68
  69 static const char *ct_subsys_name[NUM_CTCARDS] = {
  70         [CTSB055X]      = "SB055x",
  71         [CTSB073X]      = "SB073x",
  72         [CTSB0760]      = "SB076x",
  73         [CTUAA]         = "UAA",
  74         [CT20K1_UNKNOWN] = "Unknown",
  75         [CTHENDRIX]     = "Hendrix",
  76         [CTSB0880]      = "SB0880",
  77 };
  78
  79 static 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
 106 typedef int (*create_t)(void *, void **);
 107 typedef int (*destroy_t)(void *);
 108
 109 static struct {
 110         int (*create)(void *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
 125 static int
 126 atc_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
 133 static 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 (NULL == 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 (NULL == apcm->vm_block)
 147                 return -ENOENT;
 148
 149         return 0;
 150 }
 151
 152 static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 153 {
 154         struct ct_vm *vm;
 155
 156         if (NULL == 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
 166 static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
 167 {
 168         struct ct_vm *vm;
 169         void *kvirt_addr;
 170         unsigned long phys_addr;
 171
 172         vm = atc->vm;
 173         kvirt_addr = vm->get_ptp_virt(vm, index);
 174         if (kvirt_addr == NULL)
 175                 phys_addr = (~0UL);
 176         else
 177                 phys_addr = virt_to_phys(kvirt_addr);
 178
 179         return phys_addr;
 180 }
 181
 182 static unsigned int convert_format(snd_pcm_format_t snd_format)
 183 {
 184         switch (snd_format) {
 185         case SNDRV_PCM_FORMAT_U8:
 186                 return SRC_SF_U8;
 187         case SNDRV_PCM_FORMAT_S16_LE:
 188                 return SRC_SF_S16;
 189         case SNDRV_PCM_FORMAT_S24_3LE:
 190                 return SRC_SF_S24;
 191         case SNDRV_PCM_FORMAT_S32_LE:
 192                 return SRC_SF_S32;
 193         case SNDRV_PCM_FORMAT_FLOAT_LE:
 194                 return SRC_SF_F32;
 195         default:
 196                 printk(KERN_ERR "ctxfi: not recognized snd format is %d \n",
 197                         snd_format);
 198                 return SRC_SF_S16;
 199         }
 200 }
 201
 202 static unsigned int
 203 atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
 204 {
 205         unsigned int pitch;
 206         int b;
 207
 208         /* get pitch and convert to fixed-point 8.24 format. */
 209         pitch = (input_rate / output_rate) << 24;
 210         input_rate %= output_rate;
 211         input_rate /= 100;
 212         output_rate /= 100;
 213         for (b = 31; ((b >= 0) && !(input_rate >> b)); )
 214                 b--;
 215
 216         if (b >= 0) {
 217                 input_rate <<= (31 - b);
 218                 input_rate /= output_rate;
 219                 b = 24 - (31 - b);
 220                 if (b >= 0)
 221                         input_rate <<= b;
 222                 else
 223                         input_rate >>= -b;
 224
 225                 pitch |= input_rate;
 226         }
 227
 228         return pitch;
 229 }
 230
 231 static int select_rom(unsigned int pitch)
 232 {
 233         if ((pitch > 0x00428f5c) && (pitch < 0x01b851ec)) {
 234                 /* 0.26 <= pitch <= 1.72 */
 235                 return 1;
 236         } else if ((0x01d66666 == pitch) || (0x01d66667 == pitch)) {
 237                 /* pitch == 1.8375 */
 238                 return 2;
 239         } else if (0x02000000 == pitch) {
 240                 /* pitch == 2 */
 241                 return 3;
 242         } else if ((pitch >= 0x0) && (pitch <= 0x08000000)) {
 243                 /* 0 <= pitch <= 8 */
 244                 return 0;
 245         } else {
 246                 return -ENOENT;
 247         }
 248 }
 249
 250 static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 251 {
 252         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 253         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 254         struct src_desc desc = {0};
 255         struct amixer_desc mix_dsc = {0};
 256         struct src *src;
 257         struct amixer *amixer;
 258         int err;
 259         int n_amixer = apcm->substream->runtime->channels, i = 0;
 260         int device = apcm->substream->pcm->device;
 261         unsigned int pitch;
 262         unsigned long flags;
 263
 264         if (NULL != apcm->src) {
 265                 /* Prepared pcm playback */
 266                 return 0;
 267         }
 268
 269         /* first release old resources */
 270         atc->pcm_release_resources(atc, apcm);
 271
 272         /* Get SRC resource */
 273         desc.multi = apcm->substream->runtime->channels;
 274         desc.msr = atc->msr;
 275         desc.mode = MEMRD;
 276         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 277         if (err)
 278                 goto error1;
 279
 280         pitch = atc_get_pitch(apcm->substream->runtime->rate,
 281                                                 (atc->rsr * atc->msr));
 282         src = apcm->src;
 283         src->ops->set_pitch(src, pitch);
 284         src->ops->set_rom(src, select_rom(pitch));
 285         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
 286         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 287
 288         /* Get AMIXER resource */
 289         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
 290         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 291         if (NULL == apcm->amixers) {
 292                 err = -ENOMEM;
 293                 goto error1;
 294         }
 295         mix_dsc.msr = atc->msr;
 296         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 297                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 298                                         (struct amixer **)&apcm->amixers[i]);
 299                 if (err)
 300                         goto error1;
 301
 302                 apcm->n_amixer++;
 303         }
 304
 305         /* Set up device virtual mem map */
 306         err = ct_map_audio_buffer(atc, apcm);
 307         if (err < 0)
 308                 goto error1;
 309
 310         /* Connect resources */
 311         src = apcm->src;
 312         for (i = 0; i < n_amixer; i++) {
 313                 amixer = apcm->amixers[i];
 314                 spin_lock_irqsave(&atc->atc_lock, flags);
 315                 amixer->ops->setup(amixer, &src->rsc,
 316                                         INIT_VOL, atc->pcm[i+device*2]);
 317                 spin_unlock_irqrestore(&atc->atc_lock, flags);
 318                 src = src->ops->next_interleave(src);
 319                 if (NULL == src)
 320                         src = apcm->src;
 321         }
 322
 323         ct_timer_prepare(apcm->timer);
 324
 325         return 0;
 326
 327 error1:
 328         atc_pcm_release_resources(atc, apcm);
 329         return err;
 330 }
 331
 332 static int
 333 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 334 {
 335         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 336         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
 337         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 338         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
 339         struct srcimp *srcimp;
 340         int i;
 341
 342         if (NULL != apcm->srcimps) {
 343                 for (i = 0; i < apcm->n_srcimp; i++) {
 344                         srcimp = apcm->srcimps[i];
 345                         srcimp->ops->unmap(srcimp);
 346                         srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
 347                         apcm->srcimps[i] = NULL;
 348                 }
 349                 kfree(apcm->srcimps);
 350                 apcm->srcimps = NULL;
 351         }
 352
 353         if (NULL != apcm->srccs) {
 354                 for (i = 0; i < apcm->n_srcc; i++) {
 355                         src_mgr->put_src(src_mgr, apcm->srccs[i]);
 356                         apcm->srccs[i] = NULL;
 357                 }
 358                 kfree(apcm->srccs);
 359                 apcm->srccs = NULL;
 360         }
 361
 362         if (NULL != apcm->amixers) {
 363                 for (i = 0; i < apcm->n_amixer; i++) {
 364                         amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
 365                         apcm->amixers[i] = NULL;
 366                 }
 367                 kfree(apcm->amixers);
 368                 apcm->amixers = NULL;
 369         }
 370
 371         if (NULL != apcm->mono) {
 372                 sum_mgr->put_sum(sum_mgr, apcm->mono);
 373                 apcm->mono = NULL;
 374         }
 375
 376         if (NULL != apcm->src) {
 377                 src_mgr->put_src(src_mgr, apcm->src);
 378                 apcm->src = NULL;
 379         }
 380
 381         if (NULL != apcm->vm_block) {
 382                 /* Undo device virtual mem map */
 383                 ct_unmap_audio_buffer(atc, apcm);
 384                 apcm->vm_block = NULL;
 385         }
 386
 387         return 0;
 388 }
 389
 390 static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 391 {
 392         unsigned int max_cisz;
 393         struct src *src = apcm->src;
 394
 395         if (apcm->started)
 396                 return 0;
 397         apcm->started = 1;
 398
 399         max_cisz = src->multi * src->rsc.msr;
 400         max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
 401
 402         src->ops->set_sa(src, apcm->vm_block->addr);
 403         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
 404         src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
 405         src->ops->set_cisz(src, max_cisz);
 406
 407         src->ops->set_bm(src, 1);
 408         src->ops->set_state(src, SRC_STATE_INIT);
 409         src->ops->commit_write(src);
 410
 411         ct_timer_start(apcm->timer);
 412         return 0;
 413 }
 414
 415 static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 416 {
 417         struct src *src;
 418         int i;
 419
 420         ct_timer_stop(apcm->timer);
 421
 422         src = apcm->src;
 423         src->ops->set_bm(src, 0);
 424         src->ops->set_state(src, SRC_STATE_OFF);
 425         src->ops->commit_write(src);
 426
 427         if (NULL != apcm->srccs) {
 428                 for (i = 0; i < apcm->n_srcc; i++) {
 429                         src = apcm->srccs[i];
 430                         src->ops->set_bm(src, 0);
 431                         src->ops->set_state(src, SRC_STATE_OFF);
 432                         src->ops->commit_write(src);
 433                 }
 434         }
 435
 436         apcm->started = 0;
 437
 438         return 0;
 439 }
 440
 441 static int
 442 atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 443 {
 444         struct src *src = apcm->src;
 445         u32 size, max_cisz;
 446         int position;
 447
 448         if (!src)
 449                 return 0;
 450         position = src->ops->get_ca(src);
 451
 452         size = apcm->vm_block->size;
 453         max_cisz = src->multi * src->rsc.msr;
 454         max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
 455
 456         return (position + size - max_cisz - apcm->vm_block->addr) % size;
 457 }
 458
 459 struct src_node_conf_t {
 460         unsigned int pitch;
 461         unsigned int msr:8;
 462         unsigned int mix_msr:8;
 463         unsigned int imp_msr:8;
 464         unsigned int vo:1;
 465 };
 466
 467 static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
 468                                 struct src_node_conf_t *conf, int *n_srcc)
 469 {
 470         unsigned int pitch;
 471
 472         /* get pitch and convert to fixed-point 8.24 format. */
 473         pitch = atc_get_pitch((atc->rsr * atc->msr),
 474                                 apcm->substream->runtime->rate);
 475         *n_srcc = 0;
 476
 477         if (1 == atc->msr) {
 478                 *n_srcc = apcm->substream->runtime->channels;
 479                 conf[0].pitch = pitch;
 480                 conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
 481                 conf[0].vo = 1;
 482         } else if (2 == atc->msr) {
 483                 if (0x8000000 < pitch) {
 484                         /* Need two-stage SRCs, SRCIMPs and
 485                          * AMIXERs for converting format */
 486                         conf[0].pitch = (atc->msr << 24);
 487                         conf[0].msr = conf[0].mix_msr = 1;
 488                         conf[0].imp_msr = atc->msr;
 489                         conf[0].vo = 0;
 490                         conf[1].pitch = atc_get_pitch(atc->rsr,
 491                                         apcm->substream->runtime->rate);
 492                         conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
 493                         conf[1].vo = 1;
 494                         *n_srcc = apcm->substream->runtime->channels * 2;
 495                 } else if (0x1000000 < pitch) {
 496                         /* Need one-stage SRCs, SRCIMPs and
 497                          * AMIXERs for converting format */
 498                         conf[0].pitch = pitch;
 499                         conf[0].msr = conf[0].mix_msr
 500                                     = conf[0].imp_msr = atc->msr;
 501                         conf[0].vo = 1;
 502                         *n_srcc = apcm->substream->runtime->channels;
 503                 }
 504         }
 505 }
 506
 507 static int
 508 atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 509 {
 510         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 511         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
 512         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 513         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
 514         struct src_desc src_dsc = {0};
 515         struct src *src;
 516         struct srcimp_desc srcimp_dsc = {0};
 517         struct srcimp *srcimp;
 518         struct amixer_desc mix_dsc = {0};
 519         struct sum_desc sum_dsc = {0};
 520         unsigned int pitch;
 521         int multi, err, i;
 522         int n_srcimp, n_amixer, n_srcc, n_sum;
 523         struct src_node_conf_t src_node_conf[2] = {{0} };
 524
 525         /* first release old resources */
 526         atc_pcm_release_resources(atc, apcm);
 527
 528         /* The numbers of converting SRCs and SRCIMPs should be determined
 529          * by pitch value. */
 530
 531         multi = apcm->substream->runtime->channels;
 532
 533         /* get pitch and convert to fixed-point 8.24 format. */
 534         pitch = atc_get_pitch((atc->rsr * atc->msr),
 535                                 apcm->substream->runtime->rate);
 536
 537         setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
 538         n_sum = (1 == multi) ? 1 : 0;
 539         n_amixer = n_sum * 2 + n_srcc;
 540         n_srcimp = n_srcc;
 541         if ((multi > 1) && (0x8000000 >= pitch)) {
 542                 /* Need extra AMIXERs and SRCIMPs for special treatment
 543                  * of interleaved recording of conjugate channels */
 544                 n_amixer += multi * atc->msr;
 545                 n_srcimp += multi * atc->msr;
 546         } else {
 547                 n_srcimp += multi;
 548         }
 549
 550         if (n_srcc) {
 551                 apcm->srccs = kzalloc(sizeof(void *)*n_srcc, GFP_KERNEL);
 552                 if (NULL == apcm->srccs)
 553                         return -ENOMEM;
 554         }
 555         if (n_amixer) {
 556                 apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 557                 if (NULL == apcm->amixers) {
 558                         err = -ENOMEM;
 559                         goto error1;
 560                 }
 561         }
 562         apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL);
 563         if (NULL == apcm->srcimps) {
 564                 err = -ENOMEM;
 565                 goto error1;
 566         }
 567
 568         /* Allocate SRCs for sample rate conversion if needed */
 569         src_dsc.multi = 1;
 570         src_dsc.mode = ARCRW;
 571         for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
 572                 src_dsc.msr = src_node_conf[i/multi].msr;
 573                 err = src_mgr->get_src(src_mgr, &src_dsc,
 574                                         (struct src **)&apcm->srccs[i]);
 575                 if (err)
 576                         goto error1;
 577
 578                 src = apcm->srccs[i];
 579                 pitch = src_node_conf[i/multi].pitch;
 580                 src->ops->set_pitch(src, pitch);
 581                 src->ops->set_rom(src, select_rom(pitch));
 582                 src->ops->set_vo(src, src_node_conf[i/multi].vo);
 583
 584                 apcm->n_srcc++;
 585         }
 586
 587         /* Allocate AMIXERs for routing SRCs of conversion if needed */
 588         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 589                 if (i < (n_sum*2))
 590                         mix_dsc.msr = atc->msr;
 591                 else if (i < (n_sum*2+n_srcc))
 592                         mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
 593                 else
 594                         mix_dsc.msr = 1;
 595
 596                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 597                                         (struct amixer **)&apcm->amixers[i]);
 598                 if (err)
 599                         goto error1;
 600
 601                 apcm->n_amixer++;
 602         }
 603
 604         /* Allocate a SUM resource to mix all input channels together */
 605         sum_dsc.msr = atc->msr;
 606         err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
 607         if (err)
 608                 goto error1;
 609
 610         pitch = atc_get_pitch((atc->rsr * atc->msr),
 611                                 apcm->substream->runtime->rate);
 612         /* Allocate SRCIMP resources */
 613         for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
 614                 if (i < (n_srcc))
 615                         srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
 616                 else if (1 == multi)
 617                         srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
 618                 else
 619                         srcimp_dsc.msr = 1;
 620
 621                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
 622                 if (err)
 623                         goto error1;
 624
 625                 apcm->srcimps[i] = srcimp;
 626                 apcm->n_srcimp++;
 627         }
 628
 629         /* Allocate a SRC for writing data to host memory */
 630         src_dsc.multi = apcm->substream->runtime->channels;
 631         src_dsc.msr = 1;
 632         src_dsc.mode = MEMWR;
 633         err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
 634         if (err)
 635                 goto error1;
 636
 637         src = apcm->src;
 638         src->ops->set_pitch(src, pitch);
 639
 640         /* Set up device virtual mem map */
 641         err = ct_map_audio_buffer(atc, apcm);
 642         if (err < 0)
 643                 goto error1;
 644
 645         return 0;
 646
 647 error1:
 648         atc_pcm_release_resources(atc, apcm);
 649         return err;
 650 }
 651
 652 static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 653 {
 654         struct src *src;
 655         struct amixer *amixer;
 656         struct srcimp *srcimp;
 657         struct ct_mixer *mixer = atc->mixer;
 658         struct sum *mono;
 659         struct rsc *out_ports[8] = {NULL};
 660         int err, i, j, n_sum, multi;
 661         unsigned int pitch;
 662         int mix_base = 0, imp_base = 0;
 663
 664         if (NULL != apcm->src) {
 665                 /* Prepared pcm capture */
 666                 return 0;
 667         }
 668
 669         /* Get needed resources. */
 670         err = atc_pcm_capture_get_resources(atc, apcm);
 671         if (err)
 672                 return err;
 673
 674         /* Connect resources */
 675         mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
 676                                 &out_ports[0], &out_ports[1]);
 677
 678         multi = apcm->substream->runtime->channels;
 679         if (1 == multi) {
 680                 mono = apcm->mono;
 681                 for (i = 0; i < 2; i++) {
 682                         amixer = apcm->amixers[i];
 683                         amixer->ops->setup(amixer, out_ports[i],
 684                                                 MONO_SUM_SCALE, mono);
 685                 }
 686                 out_ports[0] = &mono->rsc;
 687                 n_sum = 1;
 688                 mix_base = n_sum * 2;
 689         }
 690
 691         for (i = 0; i < apcm->n_srcc; i++) {
 692                 src = apcm->srccs[i];
 693                 srcimp = apcm->srcimps[imp_base+i];
 694                 amixer = apcm->amixers[mix_base+i];
 695                 srcimp->ops->map(srcimp, src, out_ports[i%multi]);
 696                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
 697                 out_ports[i%multi] = &amixer->rsc;
 698         }
 699
 700         pitch = atc_get_pitch((atc->rsr * atc->msr),
 701                                 apcm->substream->runtime->rate);
 702
 703         if ((multi > 1) && (pitch <= 0x8000000)) {
 704                 /* Special connection for interleaved
 705                  * recording with conjugate channels */
 706                 for (i = 0; i < multi; i++) {
 707                         out_ports[i]->ops->master(out_ports[i]);
 708                         for (j = 0; j < atc->msr; j++) {
 709                                 amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
 710                                 amixer->ops->set_input(amixer, out_ports[i]);
 711                                 amixer->ops->set_scale(amixer, INIT_VOL);
 712                                 amixer->ops->set_sum(amixer, NULL);
 713                                 amixer->ops->commit_raw_write(amixer);
 714                                 out_ports[i]->ops->next_conj(out_ports[i]);
 715
 716                                 srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
 717                                 srcimp->ops->map(srcimp, apcm->src,
 718                                                         &amixer->rsc);
 719                         }
 720                 }
 721         } else {
 722                 for (i = 0; i < multi; i++) {
 723                         srcimp = apcm->srcimps[apcm->n_srcc+i];
 724                         srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
 725                 }
 726         }
 727
 728         ct_timer_prepare(apcm->timer);
 729
 730         return 0;
 731 }
 732
 733 static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 734 {
 735         struct src *src;
 736         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 737         int i, multi;
 738
 739         if (apcm->started)
 740                 return 0;
 741
 742         apcm->started = 1;
 743         multi = apcm->substream->runtime->channels;
 744         /* Set up converting SRCs */
 745         for (i = 0; i < apcm->n_srcc; i++) {
 746                 src = apcm->srccs[i];
 747                 src->ops->set_pm(src, ((i%multi) != (multi-1)));
 748                 src_mgr->src_disable(src_mgr, src);
 749         }
 750
 751         /*  Set up recording SRC */
 752         src = apcm->src;
 753         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
 754         src->ops->set_sa(src, apcm->vm_block->addr);
 755         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
 756         src->ops->set_ca(src, apcm->vm_block->addr);
 757         src_mgr->src_disable(src_mgr, src);
 758
 759         /* Disable relevant SRCs firstly */
 760         src_mgr->commit_write(src_mgr);
 761
 762         /* Enable SRCs respectively */
 763         for (i = 0; i < apcm->n_srcc; i++) {
 764                 src = apcm->srccs[i];
 765                 src->ops->set_state(src, SRC_STATE_RUN);
 766                 src->ops->commit_write(src);
 767                 src_mgr->src_enable_s(src_mgr, src);
 768         }
 769         src = apcm->src;
 770         src->ops->set_bm(src, 1);
 771         src->ops->set_state(src, SRC_STATE_RUN);
 772         src->ops->commit_write(src);
 773         src_mgr->src_enable_s(src_mgr, src);
 774
 775         /* Enable relevant SRCs synchronously */
 776         src_mgr->commit_write(src_mgr);
 777
 778         ct_timer_start(apcm->timer);
 779         return 0;
 780 }
 781
 782 static int
 783 atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 784 {
 785         struct src *src = apcm->src;
 786
 787         if (!src)
 788                 return 0;
 789         return src->ops->get_ca(src) - apcm->vm_block->addr;
 790 }
 791
 792 static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
 793                                                  struct ct_atc_pcm *apcm)
 794 {
 795         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 796         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 797         struct src_desc desc = {0};
 798         struct amixer_desc mix_dsc = {0};
 799         struct src *src;
 800         int err;
 801         int n_amixer = apcm->substream->runtime->channels, i;
 802         unsigned int pitch, rsr = atc->pll_rate;
 803
 804         /* first release old resources */
 805         atc_pcm_release_resources(atc, apcm);
 806
 807         /* Get SRC resource */
 808         desc.multi = apcm->substream->runtime->channels;
 809         desc.msr = 1;
 810         while (apcm->substream->runtime->rate > (rsr * desc.msr))
 811                 desc.msr <<= 1;
 812
 813         desc.mode = MEMRD;
 814         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 815         if (err)
 816                 goto error1;
 817
 818         pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
 819         src = apcm->src;
 820         src->ops->set_pitch(src, pitch);
 821         src->ops->set_rom(src, select_rom(pitch));
 822         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
 823         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 824         src->ops->set_bp(src, 1);
 825
 826         /* Get AMIXER resource */
 827         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
 828         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 829         if (NULL == apcm->amixers) {
 830                 err = -ENOMEM;
 831                 goto error1;
 832         }
 833         mix_dsc.msr = desc.msr;
 834         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 835                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 836                                         (struct amixer **)&apcm->amixers[i]);
 837                 if (err)
 838                         goto error1;
 839
 840                 apcm->n_amixer++;
 841         }
 842
 843         /* Set up device virtual mem map */
 844         err = ct_map_audio_buffer(atc, apcm);
 845         if (err < 0)
 846                 goto error1;
 847
 848         return 0;
 849
 850 error1:
 851         atc_pcm_release_resources(atc, apcm);
 852         return err;
 853 }
 854
 855 static int atc_pll_init(struct ct_atc *atc, int rate)
 856 {
 857         struct hw *hw = atc->hw;
 858         int err;
 859         err = hw->pll_init(hw, rate);
 860         atc->pll_rate = err ? 0 : rate;
 861         return err;
 862 }
 863
 864 static int
 865 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 866 {
 867         struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 868         unsigned long flags;
 869         unsigned int rate = apcm->substream->runtime->rate;
 870         unsigned int status;
 871         int err;
 872         unsigned char iec958_con_fs;
 873
 874         switch (rate) {
 875         case 48000:
 876                 iec958_con_fs = IEC958_AES3_CON_FS_48000;
 877                 break;
 878         case 44100:
 879                 iec958_con_fs = IEC958_AES3_CON_FS_44100;
 880                 break;
 881         case 32000:
 882                 iec958_con_fs = IEC958_AES3_CON_FS_32000;
 883                 break;
 884         default:
 885                 return -ENOENT;
 886         }
 887
 888         spin_lock_irqsave(&atc->atc_lock, flags);
 889         dao->ops->get_spos(dao, &status);
 890         if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
 891                 status &= ((~IEC958_AES3_CON_FS) << 24);
 892                 status |= (iec958_con_fs << 24);
 893                 dao->ops->set_spos(dao, status);
 894                 dao->ops->commit_write(dao);
 895         }
 896         if ((rate != atc->pll_rate) && (32000 != rate))
 897                 err = atc_pll_init(atc, rate);
 898         spin_unlock_irqrestore(&atc->atc_lock, flags);
 899
 900         return err;
 901 }
 902
 903 static int
 904 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 905 {
 906         struct src *src;
 907         struct amixer *amixer;
 908         struct dao *dao;
 909         int err;
 910         int i;
 911         unsigned long flags;
 912
 913         if (NULL != apcm->src)
 914                 return 0;
 915
 916         /* Configure SPDIFOO and PLL to passthrough mode;
 917          * determine pll_rate. */
 918         err = spdif_passthru_playback_setup(atc, apcm);
 919         if (err)
 920                 return err;
 921
 922         /* Get needed resources. */
 923         err = spdif_passthru_playback_get_resources(atc, apcm);
 924         if (err)
 925                 return err;
 926
 927         /* Connect resources */
 928         src = apcm->src;
 929         for (i = 0; i < apcm->n_amixer; i++) {
 930                 amixer = apcm->amixers[i];
 931                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
 932                 src = src->ops->next_interleave(src);
 933                 if (NULL == src)
 934                         src = apcm->src;
 935         }
 936         /* Connect to SPDIFOO */
 937         spin_lock_irqsave(&atc->atc_lock, flags);
 938         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 939         amixer = apcm->amixers[0];
 940         dao->ops->set_left_input(dao, &amixer->rsc);
 941         amixer = apcm->amixers[1];
 942         dao->ops->set_right_input(dao, &amixer->rsc);
 943         spin_unlock_irqrestore(&atc->atc_lock, flags);
 944
 945         ct_timer_prepare(apcm->timer);
 946
 947         return 0;
 948 }
 949
 950 static int atc_select_line_in(struct ct_atc *atc)
 951 {
 952         struct hw *hw = atc->hw;
 953         struct ct_mixer *mixer = atc->mixer;
 954         struct src *src;
 955
 956         if (hw->is_adc_source_selected(hw, ADC_LINEIN))
 957                 return 0;
 958
 959         mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
 960         mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
 961
 962         hw->select_adc_source(hw, ADC_LINEIN);
 963
 964         src = atc->srcs[2];
 965         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
 966         src = atc->srcs[3];
 967         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
 968
 969         return 0;
 970 }
 971
 972 static int atc_select_mic_in(struct ct_atc *atc)
 973 {
 974         struct hw *hw = atc->hw;
 975         struct ct_mixer *mixer = atc->mixer;
 976         struct src *src;
 977
 978         if (hw->is_adc_source_selected(hw, ADC_MICIN))
 979                 return 0;
 980
 981         mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
 982         mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
 983
 984         hw->select_adc_source(hw, ADC_MICIN);
 985
 986         src = atc->srcs[2];
 987         mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
 988         src = atc->srcs[3];
 989         mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
 990
 991         return 0;
 992 }
 993
 994 static int atc_have_digit_io_switch(struct ct_atc *atc)
 995 {
 996         struct hw *hw = atc->hw;
 997
 998         return hw->have_digit_io_switch(hw);
 999 }
1000
1001 static int atc_select_digit_io(struct ct_atc *atc)
1002 {
1003         struct hw *hw = atc->hw;
1004
1005         if (hw->is_adc_source_selected(hw, ADC_NONE))
1006                 return 0;
1007
1008         hw->select_adc_source(hw, ADC_NONE);
1009
1010         return 0;
1011 }
1012
1013 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
1014 {
1015         struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
1016
1017         if (state)
1018                 daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
1019         else
1020                 daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1021
1022         daio_mgr->commit_write(daio_mgr);
1023
1024         return 0;
1025 }
1026
1027 static int
1028 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1029 {
1030         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1031         return dao->ops->get_spos(dao, status);
1032 }
1033
1034 static int
1035 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1036 {
1037         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1038
1039         dao->ops->set_spos(dao, status);
1040         dao->ops->commit_write(dao);
1041         return 0;
1042 }
1043
1044 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1045 {
1046         return atc_daio_unmute(atc, state, LINEO1);
1047 }
1048
1049 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1050 {
1051         return atc_daio_unmute(atc, state, LINEO4);
1052 }
1053
1054 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1055 {
1056         return atc_daio_unmute(atc, state, LINEO3);
1057 }
1058
1059 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1060 {
1061         return atc_daio_unmute(atc, state, LINEO2);
1062 }
1063
1064 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1065 {
1066         return atc_daio_unmute(atc, state, LINEIM);
1067 }
1068
1069 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1070 {
1071         return atc_daio_unmute(atc, state, SPDIFOO);
1072 }
1073
1074 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1075 {
1076         return atc_daio_unmute(atc, state, SPDIFIO);
1077 }
1078
1079 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1080 {
1081         return atc_dao_get_status(atc, status, SPDIFOO);
1082 }
1083
1084 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1085 {
1086         return atc_dao_set_status(atc, status, SPDIFOO);
1087 }
1088
1089 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1090 {
1091         unsigned long flags;
1092         struct dao_desc da_dsc = {0};
1093         struct dao *dao;
1094         int err;
1095         struct ct_mixer *mixer = atc->mixer;
1096         struct rsc *rscs[2] = {NULL};
1097         unsigned int spos = 0;
1098
1099         spin_lock_irqsave(&atc->atc_lock, flags);
1100         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1101         da_dsc.msr = state ? 1 : atc->msr;
1102         da_dsc.passthru = state ? 1 : 0;
1103         err = dao->ops->reinit(dao, &da_dsc);
1104         if (state) {
1105                 spos = IEC958_DEFAULT_CON;
1106         } else {
1107                 mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1108                                         &rscs[0], &rscs[1]);
1109                 dao->ops->set_left_input(dao, rscs[0]);
1110                 dao->ops->set_right_input(dao, rscs[1]);
1111                 /* Restore PLL to atc->rsr if needed. */
1112                 if (atc->pll_rate != atc->rsr)
1113                         err = atc_pll_init(atc, atc->rsr);
1114         }
1115         dao->ops->set_spos(dao, spos);
1116         dao->ops->commit_write(dao);
1117         spin_unlock_irqrestore(&atc->atc_lock, flags);
1118
1119         return err;
1120 }
1121
1122 static int ct_atc_destroy(struct ct_atc *atc)
1123 {
1124         struct daio_mgr *daio_mgr;
1125         struct dao *dao;
1126         struct dai *dai;
1127         struct daio *daio;
1128         struct sum_mgr *sum_mgr;
1129         struct src_mgr *src_mgr;
1130         struct srcimp_mgr *srcimp_mgr;
1131         struct srcimp *srcimp;
1132         struct ct_mixer *mixer;
1133         int i = 0;
1134
1135         if (NULL == atc)
1136                 return 0;
1137
1138         if (atc->timer) {
1139                 ct_timer_free(atc->timer);
1140                 atc->timer = NULL;
1141         }
1142
1143         /* Stop hardware and disable all interrupts */
1144         if (NULL != atc->hw)
1145                 ((struct hw *)atc->hw)->card_stop(atc->hw);
1146
1147         /* Destroy internal mixer objects */
1148         if (NULL != atc->mixer) {
1149                 mixer = atc->mixer;
1150                 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1151                 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1152                 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1153                 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1154                 mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1155                 mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1156                 ct_mixer_destroy(atc->mixer);
1157         }
1158
1159         if (NULL != atc->daios) {
1160                 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1161                 for (i = 0; i < atc->n_daio; i++) {
1162                         daio = atc->daios[i];
1163                         if (daio->type < LINEIM) {
1164                                 dao = container_of(daio, struct dao, daio);
1165                                 dao->ops->clear_left_input(dao);
1166                                 dao->ops->clear_right_input(dao);
1167                         } else {
1168                                 dai = container_of(daio, struct dai, daio);
1169                                 /* some thing to do for dai ... */
1170                         }
1171                         daio_mgr->put_daio(daio_mgr, daio);
1172                 }
1173                 kfree(atc->daios);
1174         }
1175
1176         if (NULL != atc->pcm) {
1177                 sum_mgr = atc->rsc_mgrs[SUM];
1178                 for (i = 0; i < atc->n_pcm; i++)
1179                         sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1180
1181                 kfree(atc->pcm);
1182         }
1183
1184         if (NULL != atc->srcs) {
1185                 src_mgr = atc->rsc_mgrs[SRC];
1186                 for (i = 0; i < atc->n_src; i++)
1187                         src_mgr->put_src(src_mgr, atc->srcs[i]);
1188
1189                 kfree(atc->srcs);
1190         }
1191
1192         if (NULL != atc->srcimps) {
1193                 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1194                 for (i = 0; i < atc->n_srcimp; i++) {
1195                         srcimp = atc->srcimps[i];
1196                         srcimp->ops->unmap(srcimp);
1197                         srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1198                 }
1199                 kfree(atc->srcimps);
1200         }
1201
1202         for (i = 0; i < NUM_RSCTYP; i++) {
1203                 if ((NULL != rsc_mgr_funcs[i].destroy) &&
1204                     (NULL != atc->rsc_mgrs[i]))
1205                         rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1206
1207         }
1208
1209         if (NULL != atc->hw)
1210                 destroy_hw_obj((struct hw *)atc->hw);
1211
1212         /* Destroy device virtual memory manager object */
1213         if (NULL != atc->vm) {
1214                 ct_vm_destroy(atc->vm);
1215                 atc->vm = NULL;
1216         }
1217
1218         kfree(atc);
1219
1220         return 0;
1221 }
1222
1223 static int atc_dev_free(struct snd_device *dev)
1224 {
1225         struct ct_atc *atc = dev->device_data;
1226         return ct_atc_destroy(atc);
1227 }
1228
1229 static int __devinit atc_identify_card(struct ct_atc *atc)
1230 {
1231         const struct snd_pci_quirk *p;
1232         const struct snd_pci_quirk *list;
1233
1234         switch (atc->chip_type) {
1235         case ATC20K1:
1236                 atc->chip_name = "20K1";
1237                 list = subsys_20k1_list;
1238                 break;
1239         case ATC20K2:
1240                 atc->chip_name = "20K2";
1241                 list = subsys_20k2_list;
1242                 break;
1243         default:
1244                 return -ENOENT;
1245         }
1246         p = snd_pci_quirk_lookup(atc->pci, list);
1247         if (!p)
1248                 return -ENOENT;
1249         atc->model = p->value;
1250         atc->model_name = ct_subsys_name[atc->model];
1251         snd_printd("ctxfi: chip %s model %s (%04x:%04x) is found\n",
1252                    atc->chip_name, atc->model_name,
1253                    atc->pci->subsystem_vendor,
1254                    atc->pci->subsystem_device);
1255         return 0;
1256 }
1257
1258 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc)
1259 {
1260         enum CTALSADEVS i;
1261         int err;
1262
1263         alsa_dev_funcs[MIXER].public_name = atc->chip_name;
1264
1265         for (i = 0; i < NUM_CTALSADEVS; i++) {
1266                 if (NULL == alsa_dev_funcs[i].create)
1267                         continue;
1268
1269                 err = alsa_dev_funcs[i].create(atc, i,
1270                                 alsa_dev_funcs[i].public_name);
1271                 if (err) {
1272                         printk(KERN_ERR "ctxfi: "
1273                                "Creating alsa device %d failed!\n", i);
1274                         return err;
1275                 }
1276         }
1277
1278         return 0;
1279 }
1280
1281 static int __devinit atc_create_hw_devs(struct ct_atc *atc)
1282 {
1283         struct hw *hw;
1284         struct card_conf info = {0};
1285         int i, err;
1286
1287         err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
1288         if (err) {
1289                 printk(KERN_ERR "Failed to create hw obj!!!\n");
1290                 return err;
1291         }
1292         atc->hw = hw;
1293
1294         /* Initialize card hardware. */
1295         info.rsr = atc->rsr;
1296         info.msr = atc->msr;
1297         info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1298         err = hw->card_init(hw, &info);
1299         if (err < 0)
1300                 return err;
1301
1302         for (i = 0; i < NUM_RSCTYP; i++) {
1303                 if (NULL == rsc_mgr_funcs[i].create)
1304                         continue;
1305
1306                 err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1307                 if (err) {
1308                         printk(KERN_ERR "ctxfi: "
1309                                "Failed to create rsc_mgr %d!!!\n", i);
1310                         return err;
1311                 }
1312         }
1313
1314         return 0;
1315 }
1316
1317 static int __devinit atc_get_resources(struct ct_atc *atc)
1318 {
1319         struct daio_desc da_desc = {0};
1320         struct daio_mgr *daio_mgr;
1321         struct src_desc src_dsc = {0};
1322         struct src_mgr *src_mgr;
1323         struct srcimp_desc srcimp_dsc = {0};
1324         struct srcimp_mgr *srcimp_mgr;
1325         struct sum_desc sum_dsc = {0};
1326         struct sum_mgr *sum_mgr;
1327         int err, i;
1328
1329         atc->daios = kzalloc(sizeof(void *)*(DAIONUM), GFP_KERNEL);
1330         if (NULL == atc->daios)
1331                 return -ENOMEM;
1332
1333         atc->srcs = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
1334         if (NULL == atc->srcs)
1335                 return -ENOMEM;
1336
1337         atc->srcimps = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
1338         if (NULL == atc->srcimps)
1339                 return -ENOMEM;
1340
1341         atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL);
1342         if (NULL == atc->pcm)
1343                 return -ENOMEM;
1344
1345         daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1346         da_desc.msr = atc->msr;
1347         for (i = 0, atc->n_daio = 0; i < DAIONUM-1; i++) {
1348                 da_desc.type = i;
1349                 err = daio_mgr->get_daio(daio_mgr, &da_desc,
1350                                         (struct daio **)&atc->daios[i]);
1351                 if (err) {
1352                         printk(KERN_ERR "ctxfi: Failed to get DAIO "
1353                                         "resource %d!!!\n", i);
1354                         return err;
1355                 }
1356                 atc->n_daio++;
1357         }
1358         if (atc->model == CTSB073X)
1359                 da_desc.type = SPDIFI1;
1360         else
1361                 da_desc.type = SPDIFIO;
1362         err = daio_mgr->get_daio(daio_mgr, &da_desc,
1363                                 (struct daio **)&atc->daios[i]);
1364         if (err) {
1365                 printk(KERN_ERR "ctxfi: Failed to get S/PDIF-in resource!!!\n");
1366                 return err;
1367         }
1368         atc->n_daio++;
1369
1370         src_mgr = atc->rsc_mgrs[SRC];
1371         src_dsc.multi = 1;
1372         src_dsc.msr = atc->msr;
1373         src_dsc.mode = ARCRW;
1374         for (i = 0, atc->n_src = 0; i < (2*2); i++) {
1375                 err = src_mgr->get_src(src_mgr, &src_dsc,
1376                                         (struct src **)&atc->srcs[i]);
1377                 if (err)
1378                         return err;
1379
1380                 atc->n_src++;
1381         }
1382
1383         srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1384         srcimp_dsc.msr = 8; /* SRCIMPs for S/PDIFIn SRT */
1385         for (i = 0, atc->n_srcimp = 0; i < (2*1); i++) {
1386                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1387                                         (struct srcimp **)&atc->srcimps[i]);
1388                 if (err)
1389                         return err;
1390
1391                 atc->n_srcimp++;
1392         }
1393         srcimp_dsc.msr = 8; /* SRCIMPs for LINE/MICIn SRT */
1394         for (i = 0; i < (2*1); i++) {
1395                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1396                                 (struct srcimp **)&atc->srcimps[2*1+i]);
1397                 if (err)
1398                         return err;
1399
1400                 atc->n_srcimp++;
1401         }
1402
1403         sum_mgr = atc->rsc_mgrs[SUM];
1404         sum_dsc.msr = atc->msr;
1405         for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1406                 err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1407                                         (struct sum **)&atc->pcm[i]);
1408                 if (err)
1409                         return err;
1410
1411                 atc->n_pcm++;
1412         }
1413
1414         err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1415         if (err) {
1416                 printk(KERN_ERR "ctxfi: Failed to create mixer obj!!!\n");
1417                 return err;
1418         }
1419
1420         return 0;
1421 }
1422
1423 static void __devinit
1424 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1425                 struct src **srcs, struct srcimp **srcimps)
1426 {
1427         struct rsc *rscs[2] = {NULL};
1428         struct src *src;
1429         struct srcimp *srcimp;
1430         int i = 0;
1431
1432         rscs[0] = &dai->daio.rscl;
1433         rscs[1] = &dai->daio.rscr;
1434         for (i = 0; i < 2; i++) {
1435                 src = srcs[i];
1436                 srcimp = srcimps[i];
1437                 srcimp->ops->map(srcimp, src, rscs[i]);
1438                 src_mgr->src_disable(src_mgr, src);
1439         }
1440
1441         src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1442
1443         src = srcs[0];
1444         src->ops->set_pm(src, 1);
1445         for (i = 0; i < 2; i++) {
1446                 src = srcs[i];
1447                 src->ops->set_state(src, SRC_STATE_RUN);
1448                 src->ops->commit_write(src);
1449                 src_mgr->src_enable_s(src_mgr, src);
1450         }
1451
1452         dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1453         dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1454
1455         dai->ops->set_enb_src(dai, 1);
1456         dai->ops->set_enb_srt(dai, 1);
1457         dai->ops->commit_write(dai);
1458
1459         src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1460 }
1461
1462 static void __devinit atc_connect_resources(struct ct_atc *atc)
1463 {
1464         struct dai *dai;
1465         struct dao *dao;
1466         struct src *src;
1467         struct sum *sum;
1468         struct ct_mixer *mixer;
1469         struct rsc *rscs[2] = {NULL};
1470         int i, j;
1471
1472         mixer = atc->mixer;
1473
1474         for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1475                 mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1476                 dao = container_of(atc->daios[j], struct dao, daio);
1477                 dao->ops->set_left_input(dao, rscs[0]);
1478                 dao->ops->set_right_input(dao, rscs[1]);
1479         }
1480
1481         dai = container_of(atc->daios[LINEIM], struct dai, daio);
1482         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1483                         (struct src **)&atc->srcs[2],
1484                         (struct srcimp **)&atc->srcimps[2]);
1485         src = atc->srcs[2];
1486         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1487         src = atc->srcs[3];
1488         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1489
1490         dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1491         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1492                         (struct src **)&atc->srcs[0],
1493                         (struct srcimp **)&atc->srcimps[0]);
1494
1495         src = atc->srcs[0];
1496         mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1497         src = atc->srcs[1];
1498         mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1499
1500         for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1501                 sum = atc->pcm[j];
1502                 mixer->set_input_left(mixer, i, &sum->rsc);
1503                 sum = atc->pcm[j+1];
1504                 mixer->set_input_right(mixer, i, &sum->rsc);
1505         }
1506 }
1507
1508 static struct ct_atc atc_preset __devinitdata = {
1509         .map_audio_buffer = ct_map_audio_buffer,
1510         .unmap_audio_buffer = ct_unmap_audio_buffer,
1511         .pcm_playback_prepare = atc_pcm_playback_prepare,
1512         .pcm_release_resources = atc_pcm_release_resources,
1513         .pcm_playback_start = atc_pcm_playback_start,
1514         .pcm_playback_stop = atc_pcm_stop,
1515         .pcm_playback_position = atc_pcm_playback_position,
1516         .pcm_capture_prepare = atc_pcm_capture_prepare,
1517         .pcm_capture_start = atc_pcm_capture_start,
1518         .pcm_capture_stop = atc_pcm_stop,
1519         .pcm_capture_position = atc_pcm_capture_position,
1520         .spdif_passthru_playback_prepare = spdif_passthru_playback_prepare,
1521         .get_ptp_phys = atc_get_ptp_phys,
1522         .select_line_in = atc_select_line_in,
1523         .select_mic_in = atc_select_mic_in,
1524         .select_digit_io = atc_select_digit_io,
1525         .line_front_unmute = atc_line_front_unmute,
1526         .line_surround_unmute = atc_line_surround_unmute,
1527         .line_clfe_unmute = atc_line_clfe_unmute,
1528         .line_rear_unmute = atc_line_rear_unmute,
1529         .line_in_unmute = atc_line_in_unmute,
1530         .spdif_out_unmute = atc_spdif_out_unmute,
1531         .spdif_in_unmute = atc_spdif_in_unmute,
1532         .spdif_out_get_status = atc_spdif_out_get_status,
1533         .spdif_out_set_status = atc_spdif_out_set_status,
1534         .spdif_out_passthru = atc_spdif_out_passthru,
1535         .have_digit_io_switch = atc_have_digit_io_switch,
1536 };
1537
1538 /**
1539  *  ct_atc_create - create and initialize a hardware manager
1540  *  @card: corresponding alsa card object
1541  *  @pci: corresponding kernel pci device object
1542  *  @ratc: return created object address in it
1543  *
1544  *  Creates and initializes a hardware manager.
1545  *
1546  *  Creates kmallocated ct_atc structure. Initializes hardware.
1547  *  Returns 0 if suceeds, or negative error code if fails.
1548  */
1549
1550 int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1551                             unsigned int rsr, unsigned int msr,
1552                             int chip_type, struct ct_atc **ratc)
1553 {
1554         struct ct_atc *atc;
1555         static struct snd_device_ops ops = {
1556                 .dev_free = atc_dev_free,
1557         };
1558         int err;
1559
1560         *ratc = NULL;
1561
1562         atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1563         if (NULL == atc)
1564                 return -ENOMEM;
1565
1566         /* Set operations */
1567         *atc = atc_preset;
1568
1569         atc->card = card;
1570         atc->pci = pci;
1571         atc->rsr = rsr;
1572         atc->msr = msr;
1573         atc->chip_type = chip_type;
1574
1575         spin_lock_init(&atc->atc_lock);
1576
1577         /* Find card model */
1578         err = atc_identify_card(atc);
1579         if (err < 0) {
1580                 printk(KERN_ERR "ctatc: Card not recognised\n");
1581                 goto error1;
1582         }
1583
1584         /* Set up device virtual memory management object */
1585         err = ct_vm_create(&atc->vm);
1586         if (err < 0)
1587                 goto error1;
1588
1589         /* Create all atc hw devices */
1590         err = atc_create_hw_devs(atc);
1591         if (err < 0)
1592                 goto error1;
1593
1594         /* Get resources */
1595         err = atc_get_resources(atc);
1596         if (err < 0)
1597                 goto error1;
1598
1599         /* Build topology */
1600         atc_connect_resources(atc);
1601
1602         atc->timer = ct_timer_new(atc);
1603         if (!atc->timer)
1604                 goto error1;
1605
1606         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1607         if (err < 0)
1608                 goto error1;
1609
1610         snd_card_set_dev(card, &pci->dev);
1611
1612         *ratc = atc;
1613         return 0;
1614
1615 error1:
1616         ct_atc_destroy(atc);
1617         printk(KERN_ERR "ctxfi: Something wrong!!!\n");
1618         return err;
1619 }