SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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;
 194         int b;
 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;
 245         struct amixer *amixer;
 246         int err;
 247         int n_amixer = apcm->substream->runtime->channels, i = 0;
 248         int device = apcm->substream->pcm->device;
 249         unsigned int pitch;
 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;
 328         int i;
 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;
 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;
 402         int i;
 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, max_cisz;
 430         int position;
 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;
 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;
 498         struct srcimp_desc srcimp_dsc = {0};
 499         struct srcimp *srcimp;
 500         struct amixer_desc mix_dsc = {0};
 501         struct sum_desc sum_dsc = {0};
 502         unsigned int pitch;
 503         int multi, err, i;
 504         int n_srcimp, n_amixer, n_srcc, n_sum;
 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;
 637         struct amixer *amixer;
 638         struct srcimp *srcimp;
 639         struct ct_mixer *mixer = atc->mixer;
 640         struct sum *mono;
 641         struct rsc *out_ports[8] = {NULL};
 642         int err, i, j, n_sum, multi;
 643         unsigned int pitch;
 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;
 718         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 719         int i, multi;
 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;
 780         int err;
 781         int n_amixer = apcm->substream->runtime->channels, i;
 782         unsigned int pitch, 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 atc_pll_init(struct ct_atc *atc, int rate)
 836 {
 837         struct hw *hw = atc->hw;
 838         int err;
 839         err = hw->pll_init(hw, rate);
 840         atc->pll_rate = err ? 0 : rate;
 841         return err;
 842 }
 843
 844 static int
 845 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 846 {
 847         struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 848         unsigned long flags;
 849         unsigned int rate = apcm->substream->runtime->rate;
 850         unsigned int status;
 851         int err;
 852         unsigned char iec958_con_fs;
 853
 854         switch (rate) {
 855         case 48000:
 856                 iec958_con_fs = IEC958_AES3_CON_FS_48000;
 857                 break;
 858         case 44100:
 859                 iec958_con_fs = IEC958_AES3_CON_FS_44100;
 860                 break;
 861         case 32000:
 862                 iec958_con_fs = IEC958_AES3_CON_FS_32000;
 863                 break;
 864         default:
 865                 return -ENOENT;
 866         }
 867
 868         spin_lock_irqsave(&atc->atc_lock, flags);
 869         dao->ops->get_spos(dao, &status);
 870         if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
 871                 status &= ((~IEC958_AES3_CON_FS) << 24);
 872                 status |= (iec958_con_fs << 24);
 873                 dao->ops->set_spos(dao, status);
 874                 dao->ops->commit_write(dao);
 875         }
 876         if ((rate != atc->pll_rate) && (32000 != rate))
 877                 err = atc_pll_init(atc, rate);
 878         spin_unlock_irqrestore(&atc->atc_lock, flags);
 879
 880         return err;
 881 }
 882
 883 static int
 884 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 885 {
 886         struct src *src;
 887         struct amixer *amixer;
 888         struct dao *dao;
 889         int err;
 890         int i;
 891         unsigned long flags;
 892
 893         if (NULL != apcm->src)
 894                 return 0;
 895
 896         /* Configure SPDIFOO and PLL to passthrough mode;
 897          * determine pll_rate. */
 898         err = spdif_passthru_playback_setup(atc, apcm);
 899         if (err)
 900                 return err;
 901
 902         /* Get needed resources. */
 903         err = spdif_passthru_playback_get_resources(atc, apcm);
 904         if (err)
 905                 return err;
 906
 907         /* Connect resources */
 908         src = apcm->src;
 909         for (i = 0; i < apcm->n_amixer; i++) {
 910                 amixer = apcm->amixers[i];
 911                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
 912                 src = src->ops->next_interleave(src);
 913                 if (NULL == src)
 914                         src = apcm->src;
 915         }
 916         /* Connect to SPDIFOO */
 917         spin_lock_irqsave(&atc->atc_lock, flags);
 918         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 919         amixer = apcm->amixers[0];
 920         dao->ops->set_left_input(dao, &amixer->rsc);
 921         amixer = apcm->amixers[1];
 922         dao->ops->set_right_input(dao, &amixer->rsc);
 923         spin_unlock_irqrestore(&atc->atc_lock, flags);
 924
 925         ct_timer_prepare(apcm->timer);
 926
 927         return 0;
 928 }
 929
 930 static int atc_select_line_in(struct ct_atc *atc)
 931 {
 932         struct hw *hw = atc->hw;
 933         struct ct_mixer *mixer = atc->mixer;
 934         struct src *src;
 935
 936         if (hw->is_adc_source_selected(hw, ADC_LINEIN))
 937                 return 0;
 938
 939         mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
 940         mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
 941
 942         hw->select_adc_source(hw, ADC_LINEIN);
 943
 944         src = atc->srcs[2];
 945         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
 946         src = atc->srcs[3];
 947         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
 948
 949         return 0;
 950 }
 951
 952 static int atc_select_mic_in(struct ct_atc *atc)
 953 {
 954         struct hw *hw = atc->hw;
 955         struct ct_mixer *mixer = atc->mixer;
 956         struct src *src;
 957
 958         if (hw->is_adc_source_selected(hw, ADC_MICIN))
 959                 return 0;
 960
 961         mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
 962         mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
 963
 964         hw->select_adc_source(hw, ADC_MICIN);
 965
 966         src = atc->srcs[2];
 967         mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
 968         src = atc->srcs[3];
 969         mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
 970
 971         return 0;
 972 }
 973
 974 static int atc_have_digit_io_switch(struct ct_atc *atc)
 975 {
 976         struct hw *hw = atc->hw;
 977
 978         return hw->have_digit_io_switch(hw);
 979 }
 980
 981 static int atc_select_digit_io(struct ct_atc *atc)
 982 {
 983         struct hw *hw = atc->hw;
 984
 985         if (hw->is_adc_source_selected(hw, ADC_NONE))
 986                 return 0;
 987
 988         hw->select_adc_source(hw, ADC_NONE);
 989
 990         return 0;
 991 }
 992
 993 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
 994 {
 995         struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
 996
 997         if (state)
 998                 daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
 999         else
1000                 daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1001
1002         daio_mgr->commit_write(daio_mgr);
1003
1004         return 0;
1005 }
1006
1007 static int
1008 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1009 {
1010         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1011         return dao->ops->get_spos(dao, status);
1012 }
1013
1014 static int
1015 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1016 {
1017         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1018
1019         dao->ops->set_spos(dao, status);
1020         dao->ops->commit_write(dao);
1021         return 0;
1022 }
1023
1024 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1025 {
1026         return atc_daio_unmute(atc, state, LINEO1);
1027 }
1028
1029 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1030 {
1031         return atc_daio_unmute(atc, state, LINEO4);
1032 }
1033
1034 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1035 {
1036         return atc_daio_unmute(atc, state, LINEO3);
1037 }
1038
1039 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1040 {
1041         return atc_daio_unmute(atc, state, LINEO2);
1042 }
1043
1044 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1045 {
1046         return atc_daio_unmute(atc, state, LINEIM);
1047 }
1048
1049 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1050 {
1051         return atc_daio_unmute(atc, state, SPDIFOO);
1052 }
1053
1054 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1055 {
1056         return atc_daio_unmute(atc, state, SPDIFIO);
1057 }
1058
1059 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1060 {
1061         return atc_dao_get_status(atc, status, SPDIFOO);
1062 }
1063
1064 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1065 {
1066         return atc_dao_set_status(atc, status, SPDIFOO);
1067 }
1068
1069 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1070 {
1071         unsigned long flags;
1072         struct dao_desc da_dsc = {0};
1073         struct dao *dao;
1074         int err;
1075         struct ct_mixer *mixer = atc->mixer;
1076         struct rsc *rscs[2] = {NULL};
1077         unsigned int spos = 0;
1078
1079         spin_lock_irqsave(&atc->atc_lock, flags);
1080         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1081         da_dsc.msr = state ? 1 : atc->msr;
1082         da_dsc.passthru = state ? 1 : 0;
1083         err = dao->ops->reinit(dao, &da_dsc);
1084         if (state) {
1085                 spos = IEC958_DEFAULT_CON;
1086         } else {
1087                 mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1088                                         &rscs[0], &rscs[1]);
1089                 dao->ops->set_left_input(dao, rscs[0]);
1090                 dao->ops->set_right_input(dao, rscs[1]);
1091                 /* Restore PLL to atc->rsr if needed. */
1092                 if (atc->pll_rate != atc->rsr)
1093                         err = atc_pll_init(atc, atc->rsr);
1094         }
1095         dao->ops->set_spos(dao, spos);
1096         dao->ops->commit_write(dao);
1097         spin_unlock_irqrestore(&atc->atc_lock, flags);
1098
1099         return err;
1100 }
1101
1102 static int ct_atc_destroy(struct ct_atc *atc)
1103 {
1104         struct daio_mgr *daio_mgr;
1105         struct dao *dao;
1106         struct dai *dai;
1107         struct daio *daio;
1108         struct sum_mgr *sum_mgr;
1109         struct src_mgr *src_mgr;
1110         struct srcimp_mgr *srcimp_mgr;
1111         struct srcimp *srcimp;
1112         struct ct_mixer *mixer;
1113         int i = 0;
1114
1115         if (NULL == atc)
1116                 return 0;
1117
1118         if (atc->timer) {
1119                 ct_timer_free(atc->timer);
1120                 atc->timer = NULL;
1121         }
1122
1123         /* Stop hardware and disable all interrupts */
1124         if (NULL != atc->hw)
1125                 ((struct hw *)atc->hw)->card_stop(atc->hw);
1126
1127         /* Destroy internal mixer objects */
1128         if (NULL != atc->mixer) {
1129                 mixer = atc->mixer;
1130                 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1131                 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1132                 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1133                 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1134                 mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1135                 mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1136                 ct_mixer_destroy(atc->mixer);
1137         }
1138
1139         if (NULL != atc->daios) {
1140                 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1141                 for (i = 0; i < atc->n_daio; i++) {
1142                         daio = atc->daios[i];
1143                         if (daio->type < LINEIM) {
1144                                 dao = container_of(daio, struct dao, daio);
1145                                 dao->ops->clear_left_input(dao);
1146                                 dao->ops->clear_right_input(dao);
1147                         } else {
1148                                 dai = container_of(daio, struct dai, daio);
1149                                 /* some thing to do for dai ... */
1150                         }
1151                         daio_mgr->put_daio(daio_mgr, daio);
1152                 }
1153                 kfree(atc->daios);
1154         }
1155
1156         if (NULL != atc->pcm) {
1157                 sum_mgr = atc->rsc_mgrs[SUM];
1158                 for (i = 0; i < atc->n_pcm; i++)
1159                         sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1160
1161                 kfree(atc->pcm);
1162         }
1163
1164         if (NULL != atc->srcs) {
1165                 src_mgr = atc->rsc_mgrs[SRC];
1166                 for (i = 0; i < atc->n_src; i++)
1167                         src_mgr->put_src(src_mgr, atc->srcs[i]);
1168
1169                 kfree(atc->srcs);
1170         }
1171
1172         if (NULL != atc->srcimps) {
1173                 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1174                 for (i = 0; i < atc->n_srcimp; i++) {
1175                         srcimp = atc->srcimps[i];
1176                         srcimp->ops->unmap(srcimp);
1177                         srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1178                 }
1179                 kfree(atc->srcimps);
1180         }
1181
1182         for (i = 0; i < NUM_RSCTYP; i++) {
1183                 if ((NULL != rsc_mgr_funcs[i].destroy) &&
1184                     (NULL != atc->rsc_mgrs[i]))
1185                         rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1186
1187         }
1188
1189         if (NULL != atc->hw)
1190                 destroy_hw_obj((struct hw *)atc->hw);
1191
1192         /* Destroy device virtual memory manager object */
1193         if (NULL != atc->vm) {
1194                 ct_vm_destroy(atc->vm);
1195                 atc->vm = NULL;
1196         }
1197
1198         kfree(atc);
1199
1200         return 0;
1201 }
1202
1203 static int atc_dev_free(struct snd_device *dev)
1204 {
1205         struct ct_atc *atc = dev->device_data;
1206         return ct_atc_destroy(atc);
1207 }
1208
1209 static int __devinit atc_identify_card(struct ct_atc *atc)
1210 {
1211         u16 subsys;
1212         u8 revision;
1213         struct pci_dev *pci = atc->pci;
1214         const struct ct_atc_chip_details *d;
1215         enum CTCARDS i;
1216
1217         subsys = pci->subsystem_device;
1218         revision = pci->revision;
1219         atc->chip_details = NULL;
1220         atc->model = NUM_CTCARDS;
1221         for (d = atc_chip_details; d->vendor; d++) {
1222                 if (d->vendor != pci->vendor || d->device != pci->device)
1223                         continue;
1224
1225                 if (NULL == d->sub_details) {
1226                         atc->chip_details = d;
1227                         break;
1228                 }
1229                 for (i = 0; i < NUM_CTCARDS; i++) {
1230                         if ((d->sub_details[i].subsys == subsys) ||
1231                             (((subsys & 0x6000) == 0x6000) &&
1232                             ((d->sub_details[i].subsys & 0x6000) == 0x6000))) {
1233                                 atc->model = i;
1234                                 break;
1235                         }
1236                 }
1237                 if (i >= NUM_CTCARDS)
1238                         continue;
1239
1240                 atc->chip_details = d;
1241                 break;
1242                 /* not take revision into consideration now */
1243         }
1244         if (!d->vendor)
1245                 return -ENOENT;
1246
1247         return 0;
1248 }
1249
1250 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc)
1251 {
1252         enum CTALSADEVS i;
1253         struct hw *hw = atc->hw;
1254         int err;
1255
1256         switch (hw->get_chip_type(hw)) {
1257         case ATC20K1:
1258                 alsa_dev_funcs[MIXER].public_name = "20K1";
1259                 break;
1260         case ATC20K2:
1261                 alsa_dev_funcs[MIXER].public_name = "20K2";
1262                 break;
1263         default:
1264                 alsa_dev_funcs[MIXER].public_name = "Unknown";
1265                 break;
1266         }
1267
1268         for (i = 0; i < NUM_CTALSADEVS; i++) {
1269                 if (NULL == alsa_dev_funcs[i].create)
1270                         continue;
1271
1272                 err = alsa_dev_funcs[i].create(atc, i,
1273                                 alsa_dev_funcs[i].public_name);
1274                 if (err) {
1275                         printk(KERN_ERR "ctxfi: "
1276                                "Creating alsa device %d failed!\n", i);
1277                         return err;
1278                 }
1279         }
1280
1281         return 0;
1282 }
1283
1284 static int __devinit atc_create_hw_devs(struct ct_atc *atc)
1285 {
1286         struct hw *hw;
1287         struct card_conf info = {0};
1288         int i, err;
1289
1290         err = create_hw_obj(atc->pci, &hw);
1291         if (err) {
1292                 printk(KERN_ERR "Failed to create hw obj!!!\n");
1293                 return err;
1294         }
1295         atc->hw = hw;
1296
1297         /* Initialize card hardware. */
1298         info.rsr = atc->rsr;
1299         info.msr = atc->msr;
1300         info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1301         err = hw->card_init(hw, &info);
1302         if (err < 0)
1303                 return err;
1304
1305         for (i = 0; i < NUM_RSCTYP; i++) {
1306                 if (NULL == rsc_mgr_funcs[i].create)
1307                         continue;
1308
1309                 err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1310                 if (err) {
1311                         printk(KERN_ERR "ctxfi: "
1312                                "Failed to create rsc_mgr %d!!!\n", i);
1313                         return err;
1314                 }
1315         }
1316
1317         return 0;
1318 }
1319
1320 static int __devinit atc_get_resources(struct ct_atc *atc)
1321 {
1322         struct daio_desc da_desc = {0};
1323         struct daio_mgr *daio_mgr;
1324         struct src_desc src_dsc = {0};
1325         struct src_mgr *src_mgr;
1326         struct srcimp_desc srcimp_dsc = {0};
1327         struct srcimp_mgr *srcimp_mgr;
1328         struct sum_desc sum_dsc = {0};
1329         struct sum_mgr *sum_mgr;
1330         int err, i;
1331         unsigned short subsys_id;
1332
1333         atc->daios = kzalloc(sizeof(void *)*(DAIONUM), GFP_KERNEL);
1334         if (NULL == atc->daios)
1335                 return -ENOMEM;
1336
1337         atc->srcs = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
1338         if (NULL == atc->srcs)
1339                 return -ENOMEM;
1340
1341         atc->srcimps = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
1342         if (NULL == atc->srcimps)
1343                 return -ENOMEM;
1344
1345         atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL);
1346         if (NULL == atc->pcm)
1347                 return -ENOMEM;
1348
1349         daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1350         da_desc.msr = atc->msr;
1351         for (i = 0, atc->n_daio = 0; i < DAIONUM-1; i++) {
1352                 da_desc.type = i;
1353                 err = daio_mgr->get_daio(daio_mgr, &da_desc,
1354                                         (struct daio **)&atc->daios[i]);
1355                 if (err) {
1356                         printk(KERN_ERR "ctxfi: Failed to get DAIO "
1357                                         "resource %d!!!\n", i);
1358                         return err;
1359                 }
1360                 atc->n_daio++;
1361         }
1362         subsys_id = atc->pci->subsystem_device;
1363         if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) {
1364                 /* SB073x cards */
1365                 da_desc.type = SPDIFI1;
1366         } else {
1367                 da_desc.type = SPDIFIO;
1368         }
1369         err = daio_mgr->get_daio(daio_mgr, &da_desc,
1370                                 (struct daio **)&atc->daios[i]);
1371         if (err) {
1372                 printk(KERN_ERR "ctxfi: Failed to get S/PDIF-in resource!!!\n");
1373                 return err;
1374         }
1375         atc->n_daio++;
1376
1377         src_mgr = atc->rsc_mgrs[SRC];
1378         src_dsc.multi = 1;
1379         src_dsc.msr = atc->msr;
1380         src_dsc.mode = ARCRW;
1381         for (i = 0, atc->n_src = 0; i < (2*2); i++) {
1382                 err = src_mgr->get_src(src_mgr, &src_dsc,
1383                                         (struct src **)&atc->srcs[i]);
1384                 if (err)
1385                         return err;
1386
1387                 atc->n_src++;
1388         }
1389
1390         srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1391         srcimp_dsc.msr = 8; /* SRCIMPs for S/PDIFIn SRT */
1392         for (i = 0, atc->n_srcimp = 0; i < (2*1); i++) {
1393                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1394                                         (struct srcimp **)&atc->srcimps[i]);
1395                 if (err)
1396                         return err;
1397
1398                 atc->n_srcimp++;
1399         }
1400         srcimp_dsc.msr = 8; /* SRCIMPs for LINE/MICIn SRT */
1401         for (i = 0; i < (2*1); i++) {
1402                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1403                                 (struct srcimp **)&atc->srcimps[2*1+i]);
1404                 if (err)
1405                         return err;
1406
1407                 atc->n_srcimp++;
1408         }
1409
1410         sum_mgr = atc->rsc_mgrs[SUM];
1411         sum_dsc.msr = atc->msr;
1412         for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1413                 err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1414                                         (struct sum **)&atc->pcm[i]);
1415                 if (err)
1416                         return err;
1417
1418                 atc->n_pcm++;
1419         }
1420
1421         err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1422         if (err) {
1423                 printk(KERN_ERR "ctxfi: Failed to create mixer obj!!!\n");
1424                 return err;
1425         }
1426
1427         return 0;
1428 }
1429
1430 static void __devinit
1431 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1432                 struct src **srcs, struct srcimp **srcimps)
1433 {
1434         struct rsc *rscs[2] = {NULL};
1435         struct src *src;
1436         struct srcimp *srcimp;
1437         int i = 0;
1438
1439         rscs[0] = &dai->daio.rscl;
1440         rscs[1] = &dai->daio.rscr;
1441         for (i = 0; i < 2; i++) {
1442                 src = srcs[i];
1443                 srcimp = srcimps[i];
1444                 srcimp->ops->map(srcimp, src, rscs[i]);
1445                 src_mgr->src_disable(src_mgr, src);
1446         }
1447
1448         src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1449
1450         src = srcs[0];
1451         src->ops->set_pm(src, 1);
1452         for (i = 0; i < 2; i++) {
1453                 src = srcs[i];
1454                 src->ops->set_state(src, SRC_STATE_RUN);
1455                 src->ops->commit_write(src);
1456                 src_mgr->src_enable_s(src_mgr, src);
1457         }
1458
1459         dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1460         dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1461
1462         dai->ops->set_enb_src(dai, 1);
1463         dai->ops->set_enb_srt(dai, 1);
1464         dai->ops->commit_write(dai);
1465
1466         src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1467 }
1468
1469 static void __devinit atc_connect_resources(struct ct_atc *atc)
1470 {
1471         struct dai *dai;
1472         struct dao *dao;
1473         struct src *src;
1474         struct sum *sum;
1475         struct ct_mixer *mixer;
1476         struct rsc *rscs[2] = {NULL};
1477         int i, j;
1478
1479         mixer = atc->mixer;
1480
1481         for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1482                 mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1483                 dao = container_of(atc->daios[j], struct dao, daio);
1484                 dao->ops->set_left_input(dao, rscs[0]);
1485                 dao->ops->set_right_input(dao, rscs[1]);
1486         }
1487
1488         dai = container_of(atc->daios[LINEIM], struct dai, daio);
1489         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1490                         (struct src **)&atc->srcs[2],
1491                         (struct srcimp **)&atc->srcimps[2]);
1492         src = atc->srcs[2];
1493         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1494         src = atc->srcs[3];
1495         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1496
1497         dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1498         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1499                         (struct src **)&atc->srcs[0],
1500                         (struct srcimp **)&atc->srcimps[0]);
1501
1502         src = atc->srcs[0];
1503         mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1504         src = atc->srcs[1];
1505         mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1506
1507         for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1508                 sum = atc->pcm[j];
1509                 mixer->set_input_left(mixer, i, &sum->rsc);
1510                 sum = atc->pcm[j+1];
1511                 mixer->set_input_right(mixer, i, &sum->rsc);
1512         }
1513 }
1514
1515 static struct ct_atc atc_preset __devinitdata = {
1516         .map_audio_buffer = ct_map_audio_buffer,
1517         .unmap_audio_buffer = ct_unmap_audio_buffer,
1518         .pcm_playback_prepare = atc_pcm_playback_prepare,
1519         .pcm_release_resources = atc_pcm_release_resources,
1520         .pcm_playback_start = atc_pcm_playback_start,
1521         .pcm_playback_stop = atc_pcm_stop,
1522         .pcm_playback_position = atc_pcm_playback_position,
1523         .pcm_capture_prepare = atc_pcm_capture_prepare,
1524         .pcm_capture_start = atc_pcm_capture_start,
1525         .pcm_capture_stop = atc_pcm_stop,
1526         .pcm_capture_position = atc_pcm_capture_position,
1527         .spdif_passthru_playback_prepare = spdif_passthru_playback_prepare,
1528         .get_ptp_phys = atc_get_ptp_phys,
1529         .select_line_in = atc_select_line_in,
1530         .select_mic_in = atc_select_mic_in,
1531         .select_digit_io = atc_select_digit_io,
1532         .line_front_unmute = atc_line_front_unmute,
1533         .line_surround_unmute = atc_line_surround_unmute,
1534         .line_clfe_unmute = atc_line_clfe_unmute,
1535         .line_rear_unmute = atc_line_rear_unmute,
1536         .line_in_unmute = atc_line_in_unmute,
1537         .spdif_out_unmute = atc_spdif_out_unmute,
1538         .spdif_in_unmute = atc_spdif_in_unmute,
1539         .spdif_out_get_status = atc_spdif_out_get_status,
1540         .spdif_out_set_status = atc_spdif_out_set_status,
1541         .spdif_out_passthru = atc_spdif_out_passthru,
1542         .have_digit_io_switch = atc_have_digit_io_switch,
1543 };
1544
1545 /**
1546  *  ct_atc_create - create and initialize a hardware manager
1547  *  @card: corresponding alsa card object
1548  *  @pci: corresponding kernel pci device object
1549  *  @ratc: return created object address in it
1550  *
1551  *  Creates and initializes a hardware manager.
1552  *
1553  *  Creates kmallocated ct_atc structure. Initializes hardware.
1554  *  Returns 0 if suceeds, or negative error code if fails.
1555  */
1556
1557 int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1558                   unsigned int rsr, unsigned int msr, struct ct_atc **ratc)
1559 {
1560         struct ct_atc *atc;
1561         static struct snd_device_ops ops = {
1562                 .dev_free = atc_dev_free,
1563         };
1564         int err;
1565
1566         *ratc = NULL;
1567
1568         atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1569         if (NULL == atc)
1570                 return -ENOMEM;
1571
1572         /* Set operations */
1573         *atc = atc_preset;
1574
1575         atc->card = card;
1576         atc->pci = pci;
1577         atc->rsr = rsr;
1578         atc->msr = msr;
1579
1580         spin_lock_init(&atc->atc_lock);
1581
1582         /* Find card model */
1583         err = atc_identify_card(atc);
1584         if (err < 0) {
1585                 printk(KERN_ERR "ctatc: Card not recognised\n");
1586                 goto error1;
1587         }
1588
1589         /* Set up device virtual memory management object */
1590         err = ct_vm_create(&atc->vm);
1591         if (err < 0)
1592                 goto error1;
1593
1594         /* Create all atc hw devices */
1595         err = atc_create_hw_devs(atc);
1596         if (err < 0)
1597                 goto error1;
1598
1599         /* Get resources */
1600         err = atc_get_resources(atc);
1601         if (err < 0)
1602                 goto error1;
1603
1604         /* Build topology */
1605         atc_connect_resources(atc);
1606
1607         atc->timer = ct_timer_new(atc);
1608         if (!atc->timer)
1609                 goto error1;
1610
1611         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1612         if (err < 0)
1613                 goto error1;
1614
1615         snd_card_set_dev(card, &pci->dev);
1616
1617         *ratc = atc;
1618         return 0;
1619
1620 error1:
1621         ct_atc_destroy(atc);
1622         printk(KERN_ERR "ctxfi: Something wrong!!!\n");
1623         return err;
1624 }