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 const struct ct_atc_chip_sub_details atc_sub_details[NUM_CTCARDS] = {
  43         [CTSB0760] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB0760,
  44                       .nm_model = "SB076x"},
  45         [CTHENDRIX] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_HENDRIX,
  46                       .nm_model = "Hendrix"},
  47         [CTSB08801] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08801,
  48                       .nm_model = "SB0880"},
  49         [CTSB08802] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08802,
  50                       .nm_model = "SB0880"},
  51         [CTSB08803] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08803,
  52                       .nm_model = "SB0880"}
  53 };
  54
  55 static struct ct_atc_chip_details atc_chip_details[] = {
  56         {.vendor = PCI_VENDOR_ID_CREATIVE,
  57          .device = PCI_DEVICE_ID_CREATIVE_20K1,
  58          .sub_details = NULL,
  59          .nm_card = "X-Fi 20k1"},
  60         {.vendor = PCI_VENDOR_ID_CREATIVE,
  61          .device = PCI_DEVICE_ID_CREATIVE_20K2,
  62          .sub_details = atc_sub_details,
  63          .nm_card = "X-Fi 20k2"},
  64         {} /* terminator */
  65 };
  66
  67 static struct {
  68         int (*create)(struct ct_atc *atc,
  69                         enum CTALSADEVS device, const char *device_name);
  70         int (*destroy)(void *alsa_dev);
  71         const char *public_name;
  72 } alsa_dev_funcs[NUM_CTALSADEVS] = {
  73         [FRONT]         = { .create = ct_alsa_pcm_create,
  74                             .destroy = NULL,
  75                             .public_name = "Front/WaveIn"},
  76         [SURROUND]      = { .create = ct_alsa_pcm_create,
  77                             .destroy = NULL,
  78                             .public_name = "Surround"},
  79         [CLFE]          = { .create = ct_alsa_pcm_create,
  80                             .destroy = NULL,
  81                             .public_name = "Center/LFE"},
  82         [SIDE]          = { .create = ct_alsa_pcm_create,
  83                             .destroy = NULL,
  84                             .public_name = "Side"},
  85         [IEC958]        = { .create = ct_alsa_pcm_create,
  86                             .destroy = NULL,
  87                             .public_name = "IEC958 Non-audio"},
  88
  89         [MIXER]         = { .create = ct_alsa_mix_create,
  90                             .destroy = NULL,
  91                             .public_name = "Mixer"}
  92 };
  93
  94 typedef int (*create_t)(void *, void **);
  95 typedef int (*destroy_t)(void *);
  96
  97 static struct {
  98         int (*create)(void *hw, void **rmgr);
  99         int (*destroy)(void *mgr);
 100 } rsc_mgr_funcs[NUM_RSCTYP] = {
 101         [SRC]           = { .create     = (create_t)src_mgr_create,
 102                             .destroy    = (destroy_t)src_mgr_destroy    },
 103         [SRCIMP]        = { .create     = (create_t)srcimp_mgr_create,
 104                             .destroy    = (destroy_t)srcimp_mgr_destroy },
 105         [AMIXER]        = { .create     = (create_t)amixer_mgr_create,
 106                             .destroy    = (destroy_t)amixer_mgr_destroy },
 107         [SUM]           = { .create     = (create_t)sum_mgr_create,
 108                             .destroy    = (destroy_t)sum_mgr_destroy    },
 109         [DAIO]          = { .create     = (create_t)daio_mgr_create,
 110                             .destroy    = (destroy_t)daio_mgr_destroy   }
 111 };
 112
 113 static int
 114 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 115
 116 /* *
 117  * Only mono and interleaved modes are supported now.
 118  * Always allocates a contiguous channel block.
 119  * */
 120
 121 static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 122 {
 123         struct snd_pcm_runtime *runtime;
 124         struct ct_vm *vm;
 125
 126         if (NULL == apcm->substream)
 127                 return 0;
 128
 129         runtime = apcm->substream->runtime;
 130         vm = atc->vm;
 131
 132         apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
 133
 134         if (NULL == apcm->vm_block)
 135                 return -ENOENT;
 136
 137         return 0;
 138 }
 139
 140 static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 141 {
 142         struct ct_vm *vm;
 143
 144         if (NULL == apcm->vm_block)
 145                 return;
 146
 147         vm = atc->vm;
 148
 149         vm->unmap(vm, apcm->vm_block);
 150
 151         apcm->vm_block = NULL;
 152 }
 153
 154 static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
 155 {
 156         struct ct_vm *vm;
 157         void *kvirt_addr;
 158         unsigned long phys_addr;
 159
 160         vm = atc->vm;
 161         kvirt_addr = vm->get_ptp_virt(vm, index);
 162         if (kvirt_addr == NULL)
 163                 phys_addr = (~0UL);
 164         else
 165                 phys_addr = virt_to_phys(kvirt_addr);
 166
 167         return phys_addr;
 168 }
 169
 170 static unsigned int convert_format(snd_pcm_format_t snd_format)
 171 {
 172         switch (snd_format) {
 173         case SNDRV_PCM_FORMAT_U8:
 174                 return SRC_SF_U8;
 175         case SNDRV_PCM_FORMAT_S16_LE:
 176                 return SRC_SF_S16;
 177         case SNDRV_PCM_FORMAT_S24_3LE:
 178                 return SRC_SF_S24;
 179         case SNDRV_PCM_FORMAT_S32_LE:
 180                 return SRC_SF_S32;
 181         case SNDRV_PCM_FORMAT_FLOAT_LE:
 182                 return SRC_SF_F32;
 183         default:
 184                 printk(KERN_ERR "ctxfi: not recognized snd format is %d \n",
 185                         snd_format);
 186                 return SRC_SF_S16;
 187         }
 188 }
 189
 190 static unsigned int
 191 atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
 192 {
 193         unsigned int pitch = 0;
 194         int b = 0;
 195
 196         /* get pitch and convert to fixed-point 8.24 format. */
 197         pitch = (input_rate / output_rate) << 24;
 198         input_rate %= output_rate;
 199         input_rate /= 100;
 200         output_rate /= 100;
 201         for (b = 31; ((b >= 0) && !(input_rate >> b)); )
 202                 b--;
 203
 204         if (b >= 0) {
 205                 input_rate <<= (31 - b);
 206                 input_rate /= output_rate;
 207                 b = 24 - (31 - b);
 208                 if (b >= 0)
 209                         input_rate <<= b;
 210                 else
 211                         input_rate >>= -b;
 212
 213                 pitch |= input_rate;
 214         }
 215
 216         return pitch;
 217 }
 218
 219 static int select_rom(unsigned int pitch)
 220 {
 221         if ((pitch > 0x00428f5c) && (pitch < 0x01b851ec)) {
 222                 /* 0.26 <= pitch <= 1.72 */
 223                 return 1;
 224         } else if ((0x01d66666 == pitch) || (0x01d66667 == pitch)) {
 225                 /* pitch == 1.8375 */
 226                 return 2;
 227         } else if (0x02000000 == pitch) {
 228                 /* pitch == 2 */
 229                 return 3;
 230         } else if ((pitch >= 0x0) && (pitch <= 0x08000000)) {
 231                 /* 0 <= pitch <= 8 */
 232                 return 0;
 233         } else {
 234                 return -ENOENT;
 235         }
 236 }
 237
 238 static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 239 {
 240         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 241         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 242         struct src_desc desc = {0};
 243         struct amixer_desc mix_dsc = {0};
 244         struct src *src = NULL;
 245         struct amixer *amixer = NULL;
 246         int err = 0;
 247         int n_amixer = apcm->substream->runtime->channels, i = 0;
 248         int device = apcm->substream->pcm->device;
 249         unsigned int pitch = 0;
 250         unsigned long flags;
 251
 252         if (NULL != apcm->src) {
 253                 /* Prepared pcm playback */
 254                 return 0;
 255         }
 256
 257         /* first release old resources */
 258         atc->pcm_release_resources(atc, apcm);
 259
 260         /* Get SRC resource */
 261         desc.multi = apcm->substream->runtime->channels;
 262         desc.msr = atc->msr;
 263         desc.mode = MEMRD;
 264         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 265         if (err)
 266                 goto error1;
 267
 268         pitch = atc_get_pitch(apcm->substream->runtime->rate,
 269                                                 (atc->rsr * atc->msr));
 270         src = apcm->src;
 271         src->ops->set_pitch(src, pitch);
 272         src->ops->set_rom(src, select_rom(pitch));
 273         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
 274         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 275
 276         /* Get AMIXER resource */
 277         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
 278         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 279         if (NULL == apcm->amixers) {
 280                 err = -ENOMEM;
 281                 goto error1;
 282         }
 283         mix_dsc.msr = atc->msr;
 284         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 285                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 286                                         (struct amixer **)&apcm->amixers[i]);
 287                 if (err)
 288                         goto error1;
 289
 290                 apcm->n_amixer++;
 291         }
 292
 293         /* Set up device virtual mem map */
 294         err = ct_map_audio_buffer(atc, apcm);
 295         if (err < 0)
 296                 goto error1;
 297
 298         /* Connect resources */
 299         src = apcm->src;
 300         for (i = 0; i < n_amixer; i++) {
 301                 amixer = apcm->amixers[i];
 302                 spin_lock_irqsave(&atc->atc_lock, flags);
 303                 amixer->ops->setup(amixer, &src->rsc,
 304                                         INIT_VOL, atc->pcm[i+device*2]);
 305                 spin_unlock_irqrestore(&atc->atc_lock, flags);
 306                 src = src->ops->next_interleave(src);
 307                 if (NULL == src)
 308                         src = apcm->src;
 309         }
 310
 311         ct_timer_prepare(apcm->timer);
 312
 313         return 0;
 314
 315 error1:
 316         atc_pcm_release_resources(atc, apcm);
 317         return err;
 318 }
 319
 320 static int
 321 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 322 {
 323         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 324         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
 325         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 326         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
 327         struct srcimp *srcimp = NULL;
 328         int i = 0;
 329
 330         if (NULL != apcm->srcimps) {
 331                 for (i = 0; i < apcm->n_srcimp; i++) {
 332                         srcimp = apcm->srcimps[i];
 333                         srcimp->ops->unmap(srcimp);
 334                         srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
 335                         apcm->srcimps[i] = NULL;
 336                 }
 337                 kfree(apcm->srcimps);
 338                 apcm->srcimps = NULL;
 339         }
 340
 341         if (NULL != apcm->srccs) {
 342                 for (i = 0; i < apcm->n_srcc; i++) {
 343                         src_mgr->put_src(src_mgr, apcm->srccs[i]);
 344                         apcm->srccs[i] = NULL;
 345                 }
 346                 kfree(apcm->srccs);
 347                 apcm->srccs = NULL;
 348         }
 349
 350         if (NULL != apcm->amixers) {
 351                 for (i = 0; i < apcm->n_amixer; i++) {
 352                         amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
 353                         apcm->amixers[i] = NULL;
 354                 }
 355                 kfree(apcm->amixers);
 356                 apcm->amixers = NULL;
 357         }
 358
 359         if (NULL != apcm->mono) {
 360                 sum_mgr->put_sum(sum_mgr, apcm->mono);
 361                 apcm->mono = NULL;
 362         }
 363
 364         if (NULL != apcm->src) {
 365                 src_mgr->put_src(src_mgr, apcm->src);
 366                 apcm->src = NULL;
 367         }
 368
 369         if (NULL != apcm->vm_block) {
 370                 /* Undo device virtual mem map */
 371                 ct_unmap_audio_buffer(atc, apcm);
 372                 apcm->vm_block = NULL;
 373         }
 374
 375         return 0;
 376 }
 377
 378 static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 379 {
 380         unsigned int max_cisz = 0;
 381         struct src *src = apcm->src;
 382
 383         max_cisz = src->multi * src->rsc.msr;
 384         max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
 385
 386         src->ops->set_sa(src, apcm->vm_block->addr);
 387         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
 388         src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
 389         src->ops->set_cisz(src, max_cisz);
 390
 391         src->ops->set_bm(src, 1);
 392         src->ops->set_state(src, SRC_STATE_INIT);
 393         src->ops->commit_write(src);
 394
 395         ct_timer_start(apcm->timer);
 396         return 0;
 397 }
 398
 399 static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 400 {
 401         struct src *src = NULL;
 402         int i = 0;
 403
 404         ct_timer_stop(apcm->timer);
 405
 406         src = apcm->src;
 407         src->ops->set_bm(src, 0);
 408         src->ops->set_state(src, SRC_STATE_OFF);
 409         src->ops->commit_write(src);
 410
 411         if (NULL != apcm->srccs) {
 412                 for (i = 0; i < apcm->n_srcc; i++) {
 413                         src = apcm->srccs[i];
 414                         src->ops->set_bm(src, 0);
 415                         src->ops->set_state(src, SRC_STATE_OFF);
 416                         src->ops->commit_write(src);
 417                 }
 418         }
 419
 420         apcm->started = 0;
 421
 422         return 0;
 423 }
 424
 425 static int
 426 atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 427 {
 428         struct src *src = apcm->src;
 429         u32 size = 0, max_cisz = 0;
 430         int position = 0;
 431
 432         position = src->ops->get_ca(src);
 433
 434         size = apcm->vm_block->size;
 435         max_cisz = src->multi * src->rsc.msr;
 436         max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
 437
 438         return (position + size - max_cisz - apcm->vm_block->addr) % size;
 439 }
 440
 441 struct src_node_conf_t {
 442         unsigned int pitch;
 443         unsigned int msr:8;
 444         unsigned int mix_msr:8;
 445         unsigned int imp_msr:8;
 446         unsigned int vo:1;
 447 };
 448
 449 static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
 450                                 struct src_node_conf_t *conf, int *n_srcc)
 451 {
 452         unsigned int pitch = 0;
 453
 454         /* get pitch and convert to fixed-point 8.24 format. */
 455         pitch = atc_get_pitch((atc->rsr * atc->msr),
 456                                 apcm->substream->runtime->rate);
 457         *n_srcc = 0;
 458
 459         if (1 == atc->msr) {
 460                 *n_srcc = apcm->substream->runtime->channels;
 461                 conf[0].pitch = pitch;
 462                 conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
 463                 conf[0].vo = 1;
 464         } else if (2 == atc->msr) {
 465                 if (0x8000000 < pitch) {
 466                         /* Need two-stage SRCs, SRCIMPs and
 467                          * AMIXERs for converting format */
 468                         conf[0].pitch = (atc->msr << 24);
 469                         conf[0].msr = conf[0].mix_msr = 1;
 470                         conf[0].imp_msr = atc->msr;
 471                         conf[0].vo = 0;
 472                         conf[1].pitch = atc_get_pitch(atc->rsr,
 473                                         apcm->substream->runtime->rate);
 474                         conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
 475                         conf[1].vo = 1;
 476                         *n_srcc = apcm->substream->runtime->channels * 2;
 477                 } else if (0x1000000 < pitch) {
 478                         /* Need one-stage SRCs, SRCIMPs and
 479                          * AMIXERs for converting format */
 480                         conf[0].pitch = pitch;
 481                         conf[0].msr = conf[0].mix_msr
 482                                     = conf[0].imp_msr = atc->msr;
 483                         conf[0].vo = 1;
 484                         *n_srcc = apcm->substream->runtime->channels;
 485                 }
 486         }
 487 }
 488
 489 static int
 490 atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 491 {
 492         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 493         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
 494         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 495         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
 496         struct src_desc src_dsc = {0};
 497         struct src *src = NULL;
 498         struct srcimp_desc srcimp_dsc = {0};
 499         struct srcimp *srcimp = NULL;
 500         struct amixer_desc mix_dsc = {0};
 501         struct sum_desc sum_dsc = {0};
 502         unsigned int pitch = 0;
 503         int multi = 0, err = 0, i = 0;
 504         int n_srcimp = 0, n_amixer = 0, n_srcc = 0, n_sum = 0;
 505         struct src_node_conf_t src_node_conf[2] = {{0} };
 506
 507         /* first release old resources */
 508         atc->pcm_release_resources(atc, apcm);
 509
 510         /* The numbers of converting SRCs and SRCIMPs should be determined
 511          * by pitch value. */
 512
 513         multi = apcm->substream->runtime->channels;
 514
 515         /* get pitch and convert to fixed-point 8.24 format. */
 516         pitch = atc_get_pitch((atc->rsr * atc->msr),
 517                                 apcm->substream->runtime->rate);
 518
 519         setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
 520         n_sum = (1 == multi) ? 1 : 0;
 521         n_amixer += n_sum * 2 + n_srcc;
 522         n_srcimp += n_srcc;
 523         if ((multi > 1) && (0x8000000 >= pitch)) {
 524                 /* Need extra AMIXERs and SRCIMPs for special treatment
 525                  * of interleaved recording of conjugate channels */
 526                 n_amixer += multi * atc->msr;
 527                 n_srcimp += multi * atc->msr;
 528         } else {
 529                 n_srcimp += multi;
 530         }
 531
 532         if (n_srcc) {
 533                 apcm->srccs = kzalloc(sizeof(void *)*n_srcc, GFP_KERNEL);
 534                 if (NULL == apcm->srccs)
 535                         return -ENOMEM;
 536         }
 537         if (n_amixer) {
 538                 apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 539                 if (NULL == apcm->amixers) {
 540                         err = -ENOMEM;
 541                         goto error1;
 542                 }
 543         }
 544         apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL);
 545         if (NULL == apcm->srcimps) {
 546                 err = -ENOMEM;
 547                 goto error1;
 548         }
 549
 550         /* Allocate SRCs for sample rate conversion if needed */
 551         src_dsc.multi = 1;
 552         src_dsc.mode = ARCRW;
 553         for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
 554                 src_dsc.msr = src_node_conf[i/multi].msr;
 555                 err = src_mgr->get_src(src_mgr, &src_dsc,
 556                                         (struct src **)&apcm->srccs[i]);
 557                 if (err)
 558                         goto error1;
 559
 560                 src = apcm->srccs[i];
 561                 pitch = src_node_conf[i/multi].pitch;
 562                 src->ops->set_pitch(src, pitch);
 563                 src->ops->set_rom(src, select_rom(pitch));
 564                 src->ops->set_vo(src, src_node_conf[i/multi].vo);
 565
 566                 apcm->n_srcc++;
 567         }
 568
 569         /* Allocate AMIXERs for routing SRCs of conversion if needed */
 570         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 571                 if (i < (n_sum*2))
 572                         mix_dsc.msr = atc->msr;
 573                 else if (i < (n_sum*2+n_srcc))
 574                         mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
 575                 else
 576                         mix_dsc.msr = 1;
 577
 578                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 579                                         (struct amixer **)&apcm->amixers[i]);
 580                 if (err)
 581                         goto error1;
 582
 583                 apcm->n_amixer++;
 584         }
 585
 586         /* Allocate a SUM resource to mix all input channels together */
 587         sum_dsc.msr = atc->msr;
 588         err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
 589         if (err)
 590                 goto error1;
 591
 592         pitch = atc_get_pitch((atc->rsr * atc->msr),
 593                                 apcm->substream->runtime->rate);
 594         /* Allocate SRCIMP resources */
 595         for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
 596                 if (i < (n_srcc))
 597                         srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
 598                 else if (1 == multi)
 599                         srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
 600                 else
 601                         srcimp_dsc.msr = 1;
 602
 603                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
 604                 if (err)
 605                         goto error1;
 606
 607                 apcm->srcimps[i] = srcimp;
 608                 apcm->n_srcimp++;
 609         }
 610
 611         /* Allocate a SRC for writing data to host memory */
 612         src_dsc.multi = apcm->substream->runtime->channels;
 613         src_dsc.msr = 1;
 614         src_dsc.mode = MEMWR;
 615         err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
 616         if (err)
 617                 goto error1;
 618
 619         src = apcm->src;
 620         src->ops->set_pitch(src, pitch);
 621
 622         /* Set up device virtual mem map */
 623         err = ct_map_audio_buffer(atc, apcm);
 624         if (err < 0)
 625                 goto error1;
 626
 627         return 0;
 628
 629 error1:
 630         atc_pcm_release_resources(atc, apcm);
 631         return err;
 632 }
 633
 634 static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 635 {
 636         struct src *src = NULL;
 637         struct amixer *amixer = NULL;
 638         struct srcimp *srcimp = NULL;
 639         struct ct_mixer *mixer = atc->mixer;
 640         struct sum *mono = NULL;
 641         struct rsc *out_ports[8] = {NULL};
 642         int err = 0, i = 0, j = 0, n_sum = 0, multi = 0;
 643         unsigned int pitch = 0;
 644         int mix_base = 0, imp_base = 0;
 645
 646         if (NULL != apcm->src) {
 647                 /* Prepared pcm capture */
 648                 return 0;
 649         }
 650
 651         /* Get needed resources. */
 652         err = atc_pcm_capture_get_resources(atc, apcm);
 653         if (err)
 654                 return err;
 655
 656         /* Connect resources */
 657         mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
 658                                 &out_ports[0], &out_ports[1]);
 659
 660         multi = apcm->substream->runtime->channels;
 661         if (1 == multi) {
 662                 mono = apcm->mono;
 663                 for (i = 0; i < 2; i++) {
 664                         amixer = apcm->amixers[i];
 665                         amixer->ops->setup(amixer, out_ports[i],
 666                                                 MONO_SUM_SCALE, mono);
 667                 }
 668                 out_ports[0] = &mono->rsc;
 669                 n_sum = 1;
 670                 mix_base = n_sum * 2;
 671         }
 672
 673         for (i = 0; i < apcm->n_srcc; i++) {
 674                 src = apcm->srccs[i];
 675                 srcimp = apcm->srcimps[imp_base+i];
 676                 amixer = apcm->amixers[mix_base+i];
 677                 srcimp->ops->map(srcimp, src, out_ports[i%multi]);
 678                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
 679                 out_ports[i%multi] = &amixer->rsc;
 680         }
 681
 682         pitch = atc_get_pitch((atc->rsr * atc->msr),
 683                                 apcm->substream->runtime->rate);
 684
 685         if ((multi > 1) && (pitch <= 0x8000000)) {
 686                 /* Special connection for interleaved
 687                  * recording with conjugate channels */
 688                 for (i = 0; i < multi; i++) {
 689                         out_ports[i]->ops->master(out_ports[i]);
 690                         for (j = 0; j < atc->msr; j++) {
 691                                 amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
 692                                 amixer->ops->set_input(amixer, out_ports[i]);
 693                                 amixer->ops->set_scale(amixer, INIT_VOL);
 694                                 amixer->ops->set_sum(amixer, NULL);
 695                                 amixer->ops->commit_raw_write(amixer);
 696                                 out_ports[i]->ops->next_conj(out_ports[i]);
 697
 698                                 srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
 699                                 srcimp->ops->map(srcimp, apcm->src,
 700                                                         &amixer->rsc);
 701                         }
 702                 }
 703         } else {
 704                 for (i = 0; i < multi; i++) {
 705                         srcimp = apcm->srcimps[apcm->n_srcc+i];
 706                         srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
 707                 }
 708         }
 709
 710         ct_timer_prepare(apcm->timer);
 711
 712         return 0;
 713 }
 714
 715 static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 716 {
 717         struct src *src = NULL;
 718         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 719         int i = 0, multi = 0;
 720
 721         if (apcm->started)
 722                 return 0;
 723
 724         apcm->started = 1;
 725         multi = apcm->substream->runtime->channels;
 726         /* Set up converting SRCs */
 727         for (i = 0; i < apcm->n_srcc; i++) {
 728                 src = apcm->srccs[i];
 729                 src->ops->set_pm(src, ((i%multi) != (multi-1)));
 730                 src_mgr->src_disable(src_mgr, src);
 731         }
 732
 733         /*  Set up recording SRC */
 734         src = apcm->src;
 735         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
 736         src->ops->set_sa(src, apcm->vm_block->addr);
 737         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
 738         src->ops->set_ca(src, apcm->vm_block->addr);
 739         src_mgr->src_disable(src_mgr, src);
 740
 741         /* Disable relevant SRCs firstly */
 742         src_mgr->commit_write(src_mgr);
 743
 744         /* Enable SRCs respectively */
 745         for (i = 0; i < apcm->n_srcc; i++) {
 746                 src = apcm->srccs[i];
 747                 src->ops->set_state(src, SRC_STATE_RUN);
 748                 src->ops->commit_write(src);
 749                 src_mgr->src_enable_s(src_mgr, src);
 750         }
 751         src = apcm->src;
 752         src->ops->set_bm(src, 1);
 753         src->ops->set_state(src, SRC_STATE_RUN);
 754         src->ops->commit_write(src);
 755         src_mgr->src_enable_s(src_mgr, src);
 756
 757         /* Enable relevant SRCs synchronously */
 758         src_mgr->commit_write(src_mgr);
 759
 760         ct_timer_start(apcm->timer);
 761         return 0;
 762 }
 763
 764 static int
 765 atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 766 {
 767         struct src *src = apcm->src;
 768
 769         return src->ops->get_ca(src) - apcm->vm_block->addr;
 770 }
 771
 772 static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
 773                                                  struct ct_atc_pcm *apcm)
 774 {
 775         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 776         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 777         struct src_desc desc = {0};
 778         struct amixer_desc mix_dsc = {0};
 779         struct src *src = NULL;
 780         int err = 0;
 781         int n_amixer = apcm->substream->runtime->channels, i = 0;
 782         unsigned int pitch = 0, rsr = atc->pll_rate;
 783
 784         /* first release old resources */
 785         atc->pcm_release_resources(atc, apcm);
 786
 787         /* Get SRC resource */
 788         desc.multi = apcm->substream->runtime->channels;
 789         desc.msr = 1;
 790         while (apcm->substream->runtime->rate > (rsr * desc.msr))
 791                 desc.msr <<= 1;
 792
 793         desc.mode = MEMRD;
 794         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 795         if (err)
 796                 goto error1;
 797
 798         pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
 799         src = apcm->src;
 800         src->ops->set_pitch(src, pitch);
 801         src->ops->set_rom(src, select_rom(pitch));
 802         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
 803         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 804         src->ops->set_bp(src, 1);
 805
 806         /* Get AMIXER resource */
 807         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
 808         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 809         if (NULL == apcm->amixers) {
 810                 err = -ENOMEM;
 811                 goto error1;
 812         }
 813         mix_dsc.msr = desc.msr;
 814         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 815                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 816                                         (struct amixer **)&apcm->amixers[i]);
 817                 if (err)
 818                         goto error1;
 819
 820                 apcm->n_amixer++;
 821         }
 822
 823         /* Set up device virtual mem map */
 824         err = ct_map_audio_buffer(atc, apcm);
 825         if (err < 0)
 826                 goto error1;
 827
 828         return 0;
 829
 830 error1:
 831         atc_pcm_release_resources(atc, apcm);
 832         return err;
 833 }
 834
 835 static int
 836 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 837 {
 838         struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 839         unsigned long flags;
 840         unsigned int rate = apcm->substream->runtime->rate;
 841         unsigned int status = 0;
 842         int err = 0;
 843         unsigned char iec958_con_fs = 0;
 844
 845         switch (rate) {
 846         case 48000:
 847                 iec958_con_fs = IEC958_AES3_CON_FS_48000;
 848                 break;
 849         case 44100:
 850                 iec958_con_fs = IEC958_AES3_CON_FS_44100;
 851                 break;
 852         case 32000:
 853                 iec958_con_fs = IEC958_AES3_CON_FS_32000;
 854                 break;
 855         default:
 856                 return -ENOENT;
 857         }
 858
 859         spin_lock_irqsave(&atc->atc_lock, flags);
 860         dao->ops->get_spos(dao, &status);
 861         if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
 862                 status &= ((~IEC958_AES3_CON_FS) << 24);
 863                 status |= (iec958_con_fs << 24);
 864                 dao->ops->set_spos(dao, status);
 865                 dao->ops->commit_write(dao);
 866         }
 867         if ((rate != atc->pll_rate) && (32000 != rate)) {
 868                 err = ((struct hw *)atc->hw)->pll_init(atc->hw, rate);
 869                 atc->pll_rate = err ? 0 : rate;
 870         }
 871         spin_unlock_irqrestore(&atc->atc_lock, flags);
 872
 873         return err;
 874 }
 875
 876 static int
 877 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 878 {
 879         struct src *src = NULL;
 880         struct amixer *amixer = NULL;
 881         struct dao *dao = NULL;
 882         int err = 0;
 883         int i = 0;
 884         unsigned long flags;
 885
 886         if (NULL != apcm->src)
 887                 return 0;
 888
 889         /* Configure SPDIFOO and PLL to passthrough mode;
 890          * determine pll_rate. */
 891         err = spdif_passthru_playback_setup(atc, apcm);
 892         if (err)
 893                 return err;
 894
 895         /* Get needed resources. */
 896         err = spdif_passthru_playback_get_resources(atc, apcm);
 897         if (err)
 898                 return err;
 899
 900         /* Connect resources */
 901         src = apcm->src;
 902         for (i = 0; i < apcm->n_amixer; i++) {
 903                 amixer = apcm->amixers[i];
 904                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
 905                 src = src->ops->next_interleave(src);
 906                 if (NULL == src)
 907                         src = apcm->src;
 908         }
 909         /* Connect to SPDIFOO */
 910         spin_lock_irqsave(&atc->atc_lock, flags);
 911         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 912         amixer = apcm->amixers[0];
 913         dao->ops->set_left_input(dao, &amixer->rsc);
 914         amixer = apcm->amixers[1];
 915         dao->ops->set_right_input(dao, &amixer->rsc);
 916         spin_unlock_irqrestore(&atc->atc_lock, flags);
 917
 918         ct_timer_prepare(apcm->timer);
 919
 920         return 0;
 921 }
 922
 923 static int atc_select_line_in(struct ct_atc *atc)
 924 {
 925         struct hw *hw = atc->hw;
 926         struct ct_mixer *mixer = atc->mixer;
 927         struct src *src = NULL;
 928
 929         if (hw->is_adc_source_selected(hw, ADC_LINEIN))
 930                 return 0;
 931
 932         mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
 933         mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
 934
 935         hw->select_adc_source(hw, ADC_LINEIN);
 936
 937         src = atc->srcs[2];
 938         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
 939         src = atc->srcs[3];
 940         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
 941
 942         return 0;
 943 }
 944
 945 static int atc_select_mic_in(struct ct_atc *atc)
 946 {
 947         struct hw *hw = atc->hw;
 948         struct ct_mixer *mixer = atc->mixer;
 949         struct src *src = NULL;
 950
 951         if (hw->is_adc_source_selected(hw, ADC_MICIN))
 952                 return 0;
 953
 954         mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
 955         mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
 956
 957         hw->select_adc_source(hw, ADC_MICIN);
 958
 959         src = atc->srcs[2];
 960         mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
 961         src = atc->srcs[3];
 962         mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
 963
 964         return 0;
 965 }
 966
 967 static int atc_have_digit_io_switch(struct ct_atc *atc)
 968 {
 969         struct hw *hw = atc->hw;
 970
 971         return hw->have_digit_io_switch(hw);
 972 }
 973
 974 static int atc_select_digit_io(struct ct_atc *atc)
 975 {
 976         struct hw *hw = atc->hw;
 977
 978         if (hw->is_adc_source_selected(hw, ADC_NONE))
 979                 return 0;
 980
 981         hw->select_adc_source(hw, ADC_NONE);
 982
 983         return 0;
 984 }
 985
 986 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
 987 {
 988         struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
 989
 990         if (state)
 991                 daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
 992         else
 993                 daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
 994
 995         daio_mgr->commit_write(daio_mgr);
 996
 997         return 0;
 998 }
 999
1000 static int
1001 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1002 {
1003         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1004         return dao->ops->get_spos(dao, status);
1005 }
1006
1007 static int
1008 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1009 {
1010         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1011
1012         dao->ops->set_spos(dao, status);
1013         dao->ops->commit_write(dao);
1014         return 0;
1015 }
1016
1017 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1018 {
1019         return atc_daio_unmute(atc, state, LINEO1);
1020 }
1021
1022 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1023 {
1024         return atc_daio_unmute(atc, state, LINEO4);
1025 }
1026
1027 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1028 {
1029         return atc_daio_unmute(atc, state, LINEO3);
1030 }
1031
1032 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1033 {
1034         return atc_daio_unmute(atc, state, LINEO2);
1035 }
1036
1037 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1038 {
1039         return atc_daio_unmute(atc, state, LINEIM);
1040 }
1041
1042 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1043 {
1044         return atc_daio_unmute(atc, state, SPDIFOO);
1045 }
1046
1047 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1048 {
1049         return atc_daio_unmute(atc, state, SPDIFIO);
1050 }
1051
1052 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1053 {
1054         return atc_dao_get_status(atc, status, SPDIFOO);
1055 }
1056
1057 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1058 {
1059         return atc_dao_set_status(atc, status, SPDIFOO);
1060 }
1061
1062 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1063 {
1064         unsigned long flags;
1065         struct dao_desc da_dsc = {0};
1066         struct dao *dao = NULL;
1067         int err = 0;
1068         struct ct_mixer *mixer = atc->mixer;
1069         struct rsc *rscs[2] = {NULL};
1070         unsigned int spos = 0;
1071
1072         spin_lock_irqsave(&atc->atc_lock, flags);
1073         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1074         da_dsc.msr = state ? 1 : atc->msr;
1075         da_dsc.passthru = state ? 1 : 0;
1076         err = dao->ops->reinit(dao, &da_dsc);
1077         if (state) {
1078                 spos = IEC958_DEFAULT_CON;
1079         } else {
1080                 mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1081                                         &rscs[0], &rscs[1]);
1082                 dao->ops->set_left_input(dao, rscs[0]);
1083                 dao->ops->set_right_input(dao, rscs[1]);
1084                 /* Restore PLL to atc->rsr if needed. */
1085                 if (atc->pll_rate != atc->rsr) {
1086                         err = ((struct hw *)atc->hw)->pll_init(atc->hw,
1087                                                                atc->rsr);
1088                         atc->pll_rate = err ? 0 : atc->rsr;
1089                 }
1090         }
1091         dao->ops->set_spos(dao, spos);
1092         dao->ops->commit_write(dao);
1093         spin_unlock_irqrestore(&atc->atc_lock, flags);
1094
1095         return err;
1096 }
1097
1098 static int ct_atc_destroy(struct ct_atc *atc)
1099 {
1100         struct daio_mgr *daio_mgr = NULL;
1101         struct dao *dao = NULL;
1102         struct dai *dai = NULL;
1103         struct daio *daio = NULL;
1104         struct sum_mgr *sum_mgr = NULL;
1105         struct src_mgr *src_mgr = NULL;
1106         struct srcimp_mgr *srcimp_mgr = NULL;
1107         struct srcimp *srcimp = NULL;
1108         struct ct_mixer *mixer = NULL;
1109         int i = 0;
1110
1111         if (NULL == atc)
1112                 return 0;
1113
1114         if (atc->timer) {
1115                 ct_timer_free(atc->timer);
1116                 atc->timer = NULL;
1117         }
1118
1119         /* Stop hardware and disable all interrupts */
1120         if (NULL != atc->hw)
1121                 ((struct hw *)atc->hw)->card_stop(atc->hw);
1122
1123         /* Destroy internal mixer objects */
1124         if (NULL != atc->mixer) {
1125                 mixer = atc->mixer;
1126                 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1127                 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1128                 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1129                 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1130                 mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1131                 mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1132                 ct_mixer_destroy(atc->mixer);
1133         }
1134
1135         if (NULL != atc->daios) {
1136                 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1137                 for (i = 0; i < atc->n_daio; i++) {
1138                         daio = atc->daios[i];
1139                         if (daio->type < LINEIM) {
1140                                 dao = container_of(daio, struct dao, daio);
1141                                 dao->ops->clear_left_input(dao);
1142                                 dao->ops->clear_right_input(dao);
1143                         } else {
1144                                 dai = container_of(daio, struct dai, daio);
1145                                 /* some thing to do for dai ... */
1146                         }
1147                         daio_mgr->put_daio(daio_mgr, daio);
1148                 }
1149                 kfree(atc->daios);
1150         }
1151
1152         if (NULL != atc->pcm) {
1153                 sum_mgr = atc->rsc_mgrs[SUM];
1154                 for (i = 0; i < atc->n_pcm; i++)
1155                         sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1156
1157                 kfree(atc->pcm);
1158         }
1159
1160         if (NULL != atc->srcs) {
1161                 src_mgr = atc->rsc_mgrs[SRC];
1162                 for (i = 0; i < atc->n_src; i++)
1163                         src_mgr->put_src(src_mgr, atc->srcs[i]);
1164
1165                 kfree(atc->srcs);
1166         }
1167
1168         if (NULL != atc->srcimps) {
1169                 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1170                 for (i = 0; i < atc->n_srcimp; i++) {
1171                         srcimp = atc->srcimps[i];
1172                         srcimp->ops->unmap(srcimp);
1173                         srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1174                 }
1175                 kfree(atc->srcimps);
1176         }
1177
1178         for (i = 0; i < NUM_RSCTYP; i++) {
1179                 if ((NULL != rsc_mgr_funcs[i].destroy) &&
1180                     (NULL != atc->rsc_mgrs[i]))
1181                         rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1182
1183         }
1184
1185         if (NULL != atc->hw)
1186                 destroy_hw_obj((struct hw *)atc->hw);
1187
1188         /* Destroy device virtual memory manager object */
1189         if (NULL != atc->vm) {
1190                 ct_vm_destroy(atc->vm);
1191                 atc->vm = NULL;
1192         }
1193
1194         kfree(atc);
1195
1196         return 0;
1197 }
1198
1199 static int atc_dev_free(struct snd_device *dev)
1200 {
1201         struct ct_atc *atc = dev->device_data;
1202         return ct_atc_destroy(atc);
1203 }
1204
1205 static int __devinit atc_identify_card(struct ct_atc *atc)
1206 {
1207         u16 subsys;
1208         u8 revision;
1209         struct pci_dev *pci = atc->pci;
1210         const struct ct_atc_chip_details *d;
1211         enum CTCARDS i;
1212
1213         subsys = pci->subsystem_device;
1214         revision = pci->revision;
1215         atc->chip_details = NULL;
1216         atc->model = NUM_CTCARDS;
1217         for (d = atc_chip_details; d->vendor; d++) {
1218                 if (d->vendor != pci->vendor || d->device != pci->device)
1219                         continue;
1220
1221                 if (NULL == d->sub_details) {
1222                         atc->chip_details = d;
1223                         break;
1224                 }
1225                 for (i = 0; i < NUM_CTCARDS; i++) {
1226                         if ((d->sub_details[i].subsys == subsys) ||
1227                             (((subsys & 0x6000) == 0x6000) &&
1228                             ((d->sub_details[i].subsys & 0x6000) == 0x6000))) {
1229                                 atc->model = i;
1230                                 break;
1231                         }
1232                 }
1233                 if (i >= NUM_CTCARDS)
1234                         continue;
1235
1236                 atc->chip_details = d;
1237                 break;
1238                 /* not take revision into consideration now */
1239         }
1240         if (!d->vendor)
1241                 return -ENOENT;
1242
1243         return 0;
1244 }
1245
1246 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc)
1247 {
1248         enum CTALSADEVS i;
1249         struct hw *hw = atc->hw;
1250         int err;
1251
1252         switch (hw->get_chip_type(hw)) {
1253         case ATC20K1:
1254                 alsa_dev_funcs[MIXER].public_name = "20K1";
1255                 break;
1256         case ATC20K2:
1257                 alsa_dev_funcs[MIXER].public_name = "20K2";
1258                 break;
1259         default:
1260                 alsa_dev_funcs[MIXER].public_name = "Unknown";
1261                 break;
1262         }
1263
1264         for (i = 0; i < NUM_CTALSADEVS; i++) {
1265                 if (NULL == alsa_dev_funcs[i].create)
1266                         continue;
1267
1268                 err = alsa_dev_funcs[i].create(atc, i,
1269                                 alsa_dev_funcs[i].public_name);
1270                 if (err) {
1271                         printk(KERN_ERR "ctxfi: "
1272                                "Creating alsa device %d failed!\n", i);
1273                         return err;
1274                 }
1275         }
1276
1277         return 0;
1278 }
1279
1280 static int __devinit atc_create_hw_devs(struct ct_atc *atc)
1281 {
1282         struct hw *hw = NULL;
1283         struct card_conf info = {0};
1284         int i = 0, err = 0;
1285
1286         err = create_hw_obj(atc->pci, &hw);
1287         if (err) {
1288                 printk(KERN_ERR "Failed to create hw obj!!!\n");
1289                 return err;
1290         }
1291         atc->hw = hw;
1292
1293         /* Initialize card hardware. */
1294         info.rsr = atc->rsr;
1295         info.msr = atc->msr;
1296         info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1297         err = hw->card_init(hw, &info);
1298         if (err < 0)
1299                 return err;
1300
1301         for (i = 0; i < NUM_RSCTYP; i++) {
1302                 if (NULL == rsc_mgr_funcs[i].create)
1303                         continue;
1304
1305                 err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1306                 if (err) {
1307                         printk(KERN_ERR "ctxfi: "
1308                                "Failed to create rsc_mgr %d!!!\n", i);
1309                         return err;
1310                 }
1311         }
1312
1313         return 0;
1314 }
1315
1316 static int __devinit atc_get_resources(struct ct_atc *atc)
1317 {
1318         struct daio_desc da_desc = {0};
1319         struct daio_mgr *daio_mgr = NULL;
1320         struct src_desc src_dsc = {0};
1321         struct src_mgr *src_mgr = NULL;
1322         struct srcimp_desc srcimp_dsc = {0};
1323         struct srcimp_mgr *srcimp_mgr = NULL;
1324         struct sum_desc sum_dsc = {0};
1325         struct sum_mgr *sum_mgr = NULL;
1326         int err = 0, i = 0;
1327         unsigned short subsys_id;
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         subsys_id = atc->pci->subsystem_device;
1359         if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) {
1360                 /* SB073x cards */
1361                 da_desc.type = SPDIFI1;
1362         } else {
1363                 da_desc.type = SPDIFIO;
1364         }
1365         err = daio_mgr->get_daio(daio_mgr, &da_desc,
1366                                 (struct daio **)&atc->daios[i]);
1367         if (err) {
1368                 printk(KERN_ERR "ctxfi: Failed to get S/PDIF-in resource!!!\n");
1369                 return err;
1370         }
1371         atc->n_daio++;
1372
1373         src_mgr = atc->rsc_mgrs[SRC];
1374         src_dsc.multi = 1;
1375         src_dsc.msr = atc->msr;
1376         src_dsc.mode = ARCRW;
1377         for (i = 0, atc->n_src = 0; i < (2*2); i++) {
1378                 err = src_mgr->get_src(src_mgr, &src_dsc,
1379                                         (struct src **)&atc->srcs[i]);
1380                 if (err)
1381                         return err;
1382
1383                 atc->n_src++;
1384         }
1385
1386         srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1387         srcimp_dsc.msr = 8; /* SRCIMPs for S/PDIFIn SRT */
1388         for (i = 0, atc->n_srcimp = 0; i < (2*1); i++) {
1389                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1390                                         (struct srcimp **)&atc->srcimps[i]);
1391                 if (err)
1392                         return err;
1393
1394                 atc->n_srcimp++;
1395         }
1396         srcimp_dsc.msr = 8; /* SRCIMPs for LINE/MICIn SRT */
1397         for (i = 0; i < (2*1); i++) {
1398                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1399                                 (struct srcimp **)&atc->srcimps[2*1+i]);
1400                 if (err)
1401                         return err;
1402
1403                 atc->n_srcimp++;
1404         }
1405
1406         sum_mgr = atc->rsc_mgrs[SUM];
1407         sum_dsc.msr = atc->msr;
1408         for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1409                 err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1410                                         (struct sum **)&atc->pcm[i]);
1411                 if (err)
1412                         return err;
1413
1414                 atc->n_pcm++;
1415         }
1416
1417         err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1418         if (err) {
1419                 printk(KERN_ERR "ctxfi: Failed to create mixer obj!!!\n");
1420                 return err;
1421         }
1422
1423         return 0;
1424 }
1425
1426 static void __devinit
1427 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1428                 struct src **srcs, struct srcimp **srcimps)
1429 {
1430         struct rsc *rscs[2] = {NULL};
1431         struct src *src = NULL;
1432         struct srcimp *srcimp = NULL;
1433         int i = 0;
1434
1435         rscs[0] = &dai->daio.rscl;
1436         rscs[1] = &dai->daio.rscr;
1437         for (i = 0; i < 2; i++) {
1438                 src = srcs[i];
1439                 srcimp = srcimps[i];
1440                 srcimp->ops->map(srcimp, src, rscs[i]);
1441                 src_mgr->src_disable(src_mgr, src);
1442         }
1443
1444         src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1445
1446         src = srcs[0];
1447         src->ops->set_pm(src, 1);
1448         for (i = 0; i < 2; i++) {
1449                 src = srcs[i];
1450                 src->ops->set_state(src, SRC_STATE_RUN);
1451                 src->ops->commit_write(src);
1452                 src_mgr->src_enable_s(src_mgr, src);
1453         }
1454
1455         dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1456         dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1457
1458         dai->ops->set_enb_src(dai, 1);
1459         dai->ops->set_enb_srt(dai, 1);
1460         dai->ops->commit_write(dai);
1461
1462         src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1463 }
1464
1465 static void __devinit atc_connect_resources(struct ct_atc *atc)
1466 {
1467         struct dai *dai = NULL;
1468         struct dao *dao = NULL;
1469         struct src *src = NULL;
1470         struct sum *sum = NULL;
1471         struct ct_mixer *mixer = NULL;
1472         struct rsc *rscs[2] = {NULL};
1473         int i = 0, j = 0;
1474
1475         mixer = atc->mixer;
1476
1477         for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1478                 mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1479                 dao = container_of(atc->daios[j], struct dao, daio);
1480                 dao->ops->set_left_input(dao, rscs[0]);
1481                 dao->ops->set_right_input(dao, rscs[1]);
1482         }
1483
1484         dai = container_of(atc->daios[LINEIM], struct dai, daio);
1485         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1486                         (struct src **)&atc->srcs[2],
1487                         (struct srcimp **)&atc->srcimps[2]);
1488         src = atc->srcs[2];
1489         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1490         src = atc->srcs[3];
1491         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1492
1493         dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1494         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1495                         (struct src **)&atc->srcs[0],
1496                         (struct srcimp **)&atc->srcimps[0]);
1497
1498         src = atc->srcs[0];
1499         mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1500         src = atc->srcs[1];
1501         mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1502
1503         for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1504                 sum = atc->pcm[j];
1505                 mixer->set_input_left(mixer, i, &sum->rsc);
1506                 sum = atc->pcm[j+1];
1507                 mixer->set_input_right(mixer, i, &sum->rsc);
1508         }
1509 }
1510
1511 static struct ct_atc atc_preset __devinitdata = {
1512         .map_audio_buffer = ct_map_audio_buffer,
1513         .unmap_audio_buffer = ct_unmap_audio_buffer,
1514         .pcm_playback_prepare = atc_pcm_playback_prepare,
1515         .pcm_release_resources = atc_pcm_release_resources,
1516         .pcm_playback_start = atc_pcm_playback_start,
1517         .pcm_playback_stop = atc_pcm_stop,
1518         .pcm_playback_position = atc_pcm_playback_position,
1519         .pcm_capture_prepare = atc_pcm_capture_prepare,
1520         .pcm_capture_start = atc_pcm_capture_start,
1521         .pcm_capture_stop = atc_pcm_stop,
1522         .pcm_capture_position = atc_pcm_capture_position,
1523         .spdif_passthru_playback_prepare = spdif_passthru_playback_prepare,
1524         .get_ptp_phys = atc_get_ptp_phys,
1525         .select_line_in = atc_select_line_in,
1526         .select_mic_in = atc_select_mic_in,
1527         .select_digit_io = atc_select_digit_io,
1528         .line_front_unmute = atc_line_front_unmute,
1529         .line_surround_unmute = atc_line_surround_unmute,
1530         .line_clfe_unmute = atc_line_clfe_unmute,
1531         .line_rear_unmute = atc_line_rear_unmute,
1532         .line_in_unmute = atc_line_in_unmute,
1533         .spdif_out_unmute = atc_spdif_out_unmute,
1534         .spdif_in_unmute = atc_spdif_in_unmute,
1535         .spdif_out_get_status = atc_spdif_out_get_status,
1536         .spdif_out_set_status = atc_spdif_out_set_status,
1537         .spdif_out_passthru = atc_spdif_out_passthru,
1538         .have_digit_io_switch = atc_have_digit_io_switch,
1539 };
1540
1541 /**
1542  *  ct_atc_create - create and initialize a hardware manager
1543  *  @card: corresponding alsa card object
1544  *  @pci: corresponding kernel pci device object
1545  *  @ratc: return created object address in it
1546  *
1547  *  Creates and initializes a hardware manager.
1548  *
1549  *  Creates kmallocated ct_atc structure. Initializes hardware.
1550  *  Returns 0 if suceeds, or negative error code if fails.
1551  */
1552
1553 int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1554                   unsigned int rsr, unsigned int msr, struct ct_atc **ratc)
1555 {
1556         struct ct_atc *atc = NULL;
1557         static struct snd_device_ops ops = {
1558                 .dev_free = atc_dev_free,
1559         };
1560         int err = 0;
1561
1562         *ratc = NULL;
1563
1564         atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1565         if (NULL == atc)
1566                 return -ENOMEM;
1567
1568         /* Set operations */
1569         *atc = atc_preset;
1570
1571         atc->card = card;
1572         atc->pci = pci;
1573         atc->rsr = rsr;
1574         atc->msr = msr;
1575
1576         spin_lock_init(&atc->atc_lock);
1577
1578         /* Find card model */
1579         err = atc_identify_card(atc);
1580         if (err < 0) {
1581                 printk(KERN_ERR "ctatc: Card not recognised\n");
1582                 goto error1;
1583         }
1584
1585         /* Set up device virtual memory management object */
1586         err = ct_vm_create(&atc->vm);
1587         if (err < 0)
1588                 goto error1;
1589
1590         /* Create all atc hw devices */
1591         err = atc_create_hw_devs(atc);
1592         if (err < 0)
1593                 goto error1;
1594
1595         /* Get resources */
1596         err = atc_get_resources(atc);
1597         if (err < 0)
1598                 goto error1;
1599
1600         /* Build topology */
1601         atc_connect_resources(atc);
1602
1603         atc->timer = ct_timer_new(atc);
1604         if (!atc->timer)
1605                 goto error1;
1606
1607         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1608         if (err < 0)
1609                 goto error1;
1610
1611         snd_card_set_dev(card, &pci->dev);
1612
1613         *ratc = atc;
1614         return 0;
1615
1616 error1:
1617         ct_atc_destroy(atc);
1618         printk(KERN_ERR "ctxfi: Something wrong!!!\n");
1619         return err;
1620 }