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 <linux/delay.h>
  26 #include <sound/pcm.h>
  27 #include <sound/control.h>
  28 #include <sound/asoundef.h>
  29
  30 #define MONO_SUM_SCALE  0x19a8  /* 2^(-0.5) in 14-bit floating format */
  31 #define DAIONUM         7
  32 #define MAX_MULTI_CHN   8
  33
  34 #define IEC958_DEFAULT_CON ((IEC958_AES0_NONAUDIO \
  35                             | IEC958_AES0_CON_NOT_COPYRIGHT) \
  36                             | ((IEC958_AES1_CON_MIXER \
  37                             | IEC958_AES1_CON_ORIGINAL) << 8) \
  38                             | (0x10 << 16) \
  39                             | ((IEC958_AES3_CON_FS_48000) << 24))
  40
  41 static const struct ct_atc_chip_sub_details atc_sub_details[NUM_CTCARDS] = {
  42         [CTSB0760] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB0760,
  43                       .nm_model = "SB076x"},
  44         [CTHENDRIX] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_HENDRIX,
  45                       .nm_model = "Hendrix"},
  46         [CTSB08801] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08801,
  47                       .nm_model = "SB0880"},
  48         [CTSB08802] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08802,
  49                       .nm_model = "SB0880"},
  50         [CTSB08803] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08803,
  51                       .nm_model = "SB0880"}
  52 };
  53
  54 static struct ct_atc_chip_details atc_chip_details[] = {
  55         {.vendor = PCI_VENDOR_ID_CREATIVE,
  56          .device = PCI_DEVICE_ID_CREATIVE_20K1,
  57          .sub_details = NULL,
  58          .nm_card = "X-Fi 20k1"},
  59         {.vendor = PCI_VENDOR_ID_CREATIVE,
  60          .device = PCI_DEVICE_ID_CREATIVE_20K2,
  61          .sub_details = atc_sub_details,
  62          .nm_card = "X-Fi 20k2"},
  63         {} /* terminator */
  64 };
  65
  66 static struct {
  67         int (*create)(struct ct_atc *atc,
  68                         enum CTALSADEVS device, const char *device_name);
  69         int (*destroy)(void *alsa_dev);
  70         const char *public_name;
  71 } alsa_dev_funcs[NUM_CTALSADEVS] = {
  72         [FRONT]         = { .create = ct_alsa_pcm_create,
  73                             .destroy = NULL,
  74                             .public_name = "Front/WaveIn"},
  75         [SURROUND]      = { .create = ct_alsa_pcm_create,
  76                             .destroy = NULL,
  77                             .public_name = "Surround"},
  78         [CLFE]          = { .create = ct_alsa_pcm_create,
  79                             .destroy = NULL,
  80                             .public_name = "Center/LFE"},
  81         [SIDE]          = { .create = ct_alsa_pcm_create,
  82                             .destroy = NULL,
  83                             .public_name = "Side"},
  84         [IEC958]        = { .create = ct_alsa_pcm_create,
  85                             .destroy = NULL,
  86                             .public_name = "IEC958 Non-audio"},
  87
  88         [MIXER]         = { .create = ct_alsa_mix_create,
  89                             .destroy = NULL,
  90                             .public_name = "Mixer"}
  91 };
  92
  93 typedef int (*create_t)(void *, void **);
  94 typedef int (*destroy_t)(void *);
  95
  96 static struct {
  97         int (*create)(void *hw, void **rmgr);
  98         int (*destroy)(void *mgr);
  99 } rsc_mgr_funcs[NUM_RSCTYP] = {
 100         [SRC]           = { .create     = (create_t)src_mgr_create,
 101                             .destroy    = (destroy_t)src_mgr_destroy    },
 102         [SRCIMP]        = { .create     = (create_t)srcimp_mgr_create,
 103                             .destroy    = (destroy_t)srcimp_mgr_destroy },
 104         [AMIXER]        = { .create     = (create_t)amixer_mgr_create,
 105                             .destroy    = (destroy_t)amixer_mgr_destroy },
 106         [SUM]           = { .create     = (create_t)sum_mgr_create,
 107                             .destroy    = (destroy_t)sum_mgr_destroy    },
 108         [DAIO]          = { .create     = (create_t)daio_mgr_create,
 109                             .destroy    = (destroy_t)daio_mgr_destroy   }
 110 };
 111
 112 static int
 113 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 114
 115 /* *
 116  * Only mono and interleaved modes are supported now.
 117  * Always allocates a contiguous channel block.
 118  * */
 119
 120 static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 121 {
 122         struct snd_pcm_runtime *runtime;
 123         struct ct_vm *vm;
 124
 125         if (NULL == apcm->substream)
 126                 return 0;
 127
 128         runtime = apcm->substream->runtime;
 129         vm = atc->vm;
 130
 131         apcm->vm_block = vm->map(vm, runtime->dma_area, runtime->dma_bytes);
 132
 133         if (NULL == apcm->vm_block)
 134                 return -ENOENT;
 135
 136         return 0;
 137 }
 138
 139 static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 140 {
 141         struct ct_vm *vm;
 142
 143         if (NULL == apcm->vm_block)
 144                 return;
 145
 146         vm = atc->vm;
 147
 148         vm->unmap(vm, apcm->vm_block);
 149
 150         apcm->vm_block = NULL;
 151 }
 152
 153 static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
 154 {
 155         struct ct_vm *vm;
 156         void *kvirt_addr;
 157         unsigned long phys_addr;
 158
 159         vm = atc->vm;
 160         kvirt_addr = vm->get_ptp_virt(vm, index);
 161         if (kvirt_addr == NULL)
 162                 phys_addr = (~0UL);
 163         else
 164                 phys_addr = virt_to_phys(kvirt_addr);
 165
 166         return phys_addr;
 167 }
 168
 169 static unsigned int convert_format(snd_pcm_format_t snd_format)
 170 {
 171         switch (snd_format) {
 172         case SNDRV_PCM_FORMAT_U8:
 173                 return SRC_SF_U8;
 174         case SNDRV_PCM_FORMAT_S16_LE:
 175                 return SRC_SF_S16;
 176         case SNDRV_PCM_FORMAT_S24_3LE:
 177                 return SRC_SF_S24;
 178         case SNDRV_PCM_FORMAT_S32_LE:
 179                 return SRC_SF_S32;
 180         case SNDRV_PCM_FORMAT_FLOAT_LE:
 181                 return SRC_SF_F32;
 182         default:
 183                 printk(KERN_ERR "ctxfi: not recognized snd format is %d \n",
 184                         snd_format);
 185                 return SRC_SF_S16;
 186         }
 187 }
 188
 189 static unsigned int
 190 atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
 191 {
 192         unsigned int pitch = 0;
 193         int b = 0;
 194
 195         /* get pitch and convert to fixed-point 8.24 format. */
 196         pitch = (input_rate / output_rate) << 24;
 197         input_rate %= output_rate;
 198         input_rate /= 100;
 199         output_rate /= 100;
 200         for (b = 31; ((b >= 0) && !(input_rate >> b)); )
 201                 b--;
 202
 203         if (b >= 0) {
 204                 input_rate <<= (31 - b);
 205                 input_rate /= output_rate;
 206                 b = 24 - (31 - b);
 207                 if (b >= 0)
 208                         input_rate <<= b;
 209                 else
 210                         input_rate >>= -b;
 211
 212                 pitch |= input_rate;
 213         }
 214
 215         return pitch;
 216 }
 217
 218 static int select_rom(unsigned int pitch)
 219 {
 220         if ((pitch > 0x00428f5c) && (pitch < 0x01b851ec)) {
 221                 /* 0.26 <= pitch <= 1.72 */
 222                 return 1;
 223         } else if ((0x01d66666 == pitch) || (0x01d66667 == pitch)) {
 224                 /* pitch == 1.8375 */
 225                 return 2;
 226         } else if (0x02000000 == pitch) {
 227                 /* pitch == 2 */
 228                 return 3;
 229         } else if ((pitch >= 0x0) && (pitch <= 0x08000000)) {
 230                 /* 0 <= pitch <= 8 */
 231                 return 0;
 232         } else {
 233                 return -ENOENT;
 234         }
 235 }
 236
 237 static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 238 {
 239         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 240         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 241         struct src_desc desc = {0};
 242         struct amixer_desc mix_dsc = {0};
 243         struct src *src = NULL;
 244         struct amixer *amixer = NULL;
 245         int err = 0;
 246         int n_amixer = apcm->substream->runtime->channels, i = 0;
 247         int device = apcm->substream->pcm->device;
 248         unsigned int pitch = 0;
 249         unsigned long flags;
 250
 251         if (NULL != apcm->src) {
 252                 /* Prepared pcm playback */
 253                 return 0;
 254         }
 255
 256         /* first release old resources */
 257         atc->pcm_release_resources(atc, apcm);
 258
 259         /* Get SRC resource */
 260         desc.multi = apcm->substream->runtime->channels;
 261         desc.msr = atc->msr;
 262         desc.mode = MEMRD;
 263         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 264         if (err)
 265                 goto error1;
 266
 267         pitch = atc_get_pitch(apcm->substream->runtime->rate,
 268                                                 (atc->rsr * atc->msr));
 269         src = apcm->src;
 270         src->ops->set_pitch(src, pitch);
 271         src->ops->set_rom(src, select_rom(pitch));
 272         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
 273         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 274
 275         /* Get AMIXER resource */
 276         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
 277         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 278         if (NULL == apcm->amixers) {
 279                 err = -ENOMEM;
 280                 goto error1;
 281         }
 282         mix_dsc.msr = atc->msr;
 283         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 284                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 285                                         (struct amixer **)&apcm->amixers[i]);
 286                 if (err)
 287                         goto error1;
 288
 289                 apcm->n_amixer++;
 290         }
 291
 292         /* Set up device virtual mem map */
 293         err = ct_map_audio_buffer(atc, apcm);
 294         if (err < 0)
 295                 goto error1;
 296
 297         /* Connect resources */
 298         src = apcm->src;
 299         for (i = 0; i < n_amixer; i++) {
 300                 amixer = apcm->amixers[i];
 301                 spin_lock_irqsave(&atc->atc_lock, flags);
 302                 amixer->ops->setup(amixer, &src->rsc,
 303                                         INIT_VOL, atc->pcm[i+device*2]);
 304                 spin_unlock_irqrestore(&atc->atc_lock, flags);
 305                 src = src->ops->next_interleave(src);
 306                 if (NULL == src)
 307                         src = apcm->src;
 308         }
 309
 310         return 0;
 311
 312 error1:
 313         atc_pcm_release_resources(atc, apcm);
 314         return err;
 315 }
 316
 317 static int
 318 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 319 {
 320         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 321         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
 322         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 323         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
 324         struct srcimp *srcimp = NULL;
 325         int i = 0;
 326
 327         if (NULL != apcm->srcimps) {
 328                 for (i = 0; i < apcm->n_srcimp; i++) {
 329                         srcimp = apcm->srcimps[i];
 330                         srcimp->ops->unmap(srcimp);
 331                         srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
 332                         apcm->srcimps[i] = NULL;
 333                 }
 334                 kfree(apcm->srcimps);
 335                 apcm->srcimps = NULL;
 336         }
 337
 338         if (NULL != apcm->srccs) {
 339                 for (i = 0; i < apcm->n_srcc; i++) {
 340                         src_mgr->put_src(src_mgr, apcm->srccs[i]);
 341                         apcm->srccs[i] = NULL;
 342                 }
 343                 kfree(apcm->srccs);
 344                 apcm->srccs = NULL;
 345         }
 346
 347         if (NULL != apcm->amixers) {
 348                 for (i = 0; i < apcm->n_amixer; i++) {
 349                         amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
 350                         apcm->amixers[i] = NULL;
 351                 }
 352                 kfree(apcm->amixers);
 353                 apcm->amixers = NULL;
 354         }
 355
 356         if (NULL != apcm->mono) {
 357                 sum_mgr->put_sum(sum_mgr, apcm->mono);
 358                 apcm->mono = NULL;
 359         }
 360
 361         if (NULL != apcm->src) {
 362                 src_mgr->put_src(src_mgr, apcm->src);
 363                 apcm->src = NULL;
 364         }
 365
 366         if (NULL != apcm->vm_block) {
 367                 /* Undo device virtual mem map */
 368                 ct_unmap_audio_buffer(atc, apcm);
 369                 apcm->vm_block = NULL;
 370         }
 371
 372         return 0;
 373 }
 374
 375 static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 376 {
 377         unsigned int max_cisz = 0;
 378         struct src *src = apcm->src;
 379
 380         max_cisz = src->multi * src->rsc.msr;
 381         max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
 382
 383         src->ops->set_sa(src, apcm->vm_block->addr);
 384         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
 385         src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
 386         src->ops->set_cisz(src, max_cisz);
 387
 388         src->ops->set_bm(src, 1);
 389         src->ops->set_state(src, SRC_STATE_INIT);
 390         src->ops->commit_write(src);
 391
 392         return 0;
 393 }
 394
 395 static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 396 {
 397         struct src *src = NULL;
 398         int i = 0;
 399
 400         src = apcm->src;
 401         src->ops->set_bm(src, 0);
 402         src->ops->set_state(src, SRC_STATE_OFF);
 403         src->ops->commit_write(src);
 404
 405         if (NULL != apcm->srccs) {
 406                 for (i = 0; i < apcm->n_srcc; i++) {
 407                         src = apcm->srccs[i];
 408                         src->ops->set_bm(src, 0);
 409                         src->ops->set_state(src, SRC_STATE_OFF);
 410                         src->ops->commit_write(src);
 411                 }
 412         }
 413
 414         apcm->started = 0;
 415
 416         return 0;
 417 }
 418
 419 static int
 420 atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 421 {
 422         struct src *src = apcm->src;
 423         u32 size = 0, max_cisz = 0;
 424         int position = 0;
 425
 426         position = src->ops->get_ca(src);
 427
 428         size = apcm->vm_block->size;
 429         max_cisz = src->multi * src->rsc.msr;
 430         max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
 431
 432         return (position + size - max_cisz - apcm->vm_block->addr) % size;
 433 }
 434
 435 struct src_node_conf_t {
 436         unsigned int pitch;
 437         unsigned int msr:8;
 438         unsigned int mix_msr:8;
 439         unsigned int imp_msr:8;
 440         unsigned int vo:1;
 441 };
 442
 443 static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
 444                                 struct src_node_conf_t *conf, int *n_srcc)
 445 {
 446         unsigned int pitch = 0;
 447
 448         /* get pitch and convert to fixed-point 8.24 format. */
 449         pitch = atc_get_pitch((atc->rsr * atc->msr),
 450                                 apcm->substream->runtime->rate);
 451         *n_srcc = 0;
 452
 453         if (1 == atc->msr) {
 454                 *n_srcc = apcm->substream->runtime->channels;
 455                 conf[0].pitch = pitch;
 456                 conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
 457                 conf[0].vo = 1;
 458         } else if (2 == atc->msr) {
 459                 if (0x8000000 < pitch) {
 460                         /* Need two-stage SRCs, SRCIMPs and
 461                          * AMIXERs for converting format */
 462                         conf[0].pitch = (atc->msr << 24);
 463                         conf[0].msr = conf[0].mix_msr = 1;
 464                         conf[0].imp_msr = atc->msr;
 465                         conf[0].vo = 0;
 466                         conf[1].pitch = atc_get_pitch(atc->rsr,
 467                                         apcm->substream->runtime->rate);
 468                         conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
 469                         conf[1].vo = 1;
 470                         *n_srcc = apcm->substream->runtime->channels * 2;
 471                 } else if (0x1000000 < pitch) {
 472                         /* Need one-stage SRCs, SRCIMPs and
 473                          * AMIXERs for converting format */
 474                         conf[0].pitch = pitch;
 475                         conf[0].msr = conf[0].mix_msr
 476                                     = conf[0].imp_msr = atc->msr;
 477                         conf[0].vo = 1;
 478                         *n_srcc = apcm->substream->runtime->channels;
 479                 }
 480         }
 481 }
 482
 483 static int
 484 atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 485 {
 486         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 487         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
 488         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 489         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
 490         struct src_desc src_dsc = {0};
 491         struct src *src = NULL;
 492         struct srcimp_desc srcimp_dsc = {0};
 493         struct srcimp *srcimp = NULL;
 494         struct amixer_desc mix_dsc = {0};
 495         struct sum_desc sum_dsc = {0};
 496         unsigned int pitch = 0;
 497         int multi = 0, err = 0, i = 0;
 498         int n_srcimp = 0, n_amixer = 0, n_srcc = 0, n_sum = 0;
 499         struct src_node_conf_t src_node_conf[2] = {{0} };
 500
 501         /* first release old resources */
 502         atc->pcm_release_resources(atc, apcm);
 503
 504         /* The numbers of converting SRCs and SRCIMPs should be determined
 505          * by pitch value. */
 506
 507         multi = apcm->substream->runtime->channels;
 508
 509         /* get pitch and convert to fixed-point 8.24 format. */
 510         pitch = atc_get_pitch((atc->rsr * atc->msr),
 511                                 apcm->substream->runtime->rate);
 512
 513         setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
 514         n_sum = (1 == multi) ? 1 : 0;
 515         n_amixer += n_sum * 2 + n_srcc;
 516         n_srcimp += n_srcc;
 517         if ((multi > 1) && (0x8000000 >= pitch)) {
 518                 /* Need extra AMIXERs and SRCIMPs for special treatment
 519                  * of interleaved recording of conjugate channels */
 520                 n_amixer += multi * atc->msr;
 521                 n_srcimp += multi * atc->msr;
 522         } else {
 523                 n_srcimp += multi;
 524         }
 525
 526         if (n_srcc) {
 527                 apcm->srccs = kzalloc(sizeof(void *)*n_srcc, GFP_KERNEL);
 528                 if (NULL == apcm->srccs)
 529                         return -ENOMEM;
 530         }
 531         if (n_amixer) {
 532                 apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 533                 if (NULL == apcm->amixers) {
 534                         err = -ENOMEM;
 535                         goto error1;
 536                 }
 537         }
 538         apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL);
 539         if (NULL == apcm->srcimps) {
 540                 err = -ENOMEM;
 541                 goto error1;
 542         }
 543
 544         /* Allocate SRCs for sample rate conversion if needed */
 545         src_dsc.multi = 1;
 546         src_dsc.mode = ARCRW;
 547         for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
 548                 src_dsc.msr = src_node_conf[i/multi].msr;
 549                 err = src_mgr->get_src(src_mgr, &src_dsc,
 550                                         (struct src **)&apcm->srccs[i]);
 551                 if (err)
 552                         goto error1;
 553
 554                 src = apcm->srccs[i];
 555                 pitch = src_node_conf[i/multi].pitch;
 556                 src->ops->set_pitch(src, pitch);
 557                 src->ops->set_rom(src, select_rom(pitch));
 558                 src->ops->set_vo(src, src_node_conf[i/multi].vo);
 559
 560                 apcm->n_srcc++;
 561         }
 562
 563         /* Allocate AMIXERs for routing SRCs of conversion if needed */
 564         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 565                 if (i < (n_sum*2))
 566                         mix_dsc.msr = atc->msr;
 567                 else if (i < (n_sum*2+n_srcc))
 568                         mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
 569                 else
 570                         mix_dsc.msr = 1;
 571
 572                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 573                                         (struct amixer **)&apcm->amixers[i]);
 574                 if (err)
 575                         goto error1;
 576
 577                 apcm->n_amixer++;
 578         }
 579
 580         /* Allocate a SUM resource to mix all input channels together */
 581         sum_dsc.msr = atc->msr;
 582         err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
 583         if (err)
 584                 goto error1;
 585
 586         pitch = atc_get_pitch((atc->rsr * atc->msr),
 587                                 apcm->substream->runtime->rate);
 588         /* Allocate SRCIMP resources */
 589         for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
 590                 if (i < (n_srcc))
 591                         srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
 592                 else if (1 == multi)
 593                         srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
 594                 else
 595                         srcimp_dsc.msr = 1;
 596
 597                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
 598                 if (err)
 599                         goto error1;
 600
 601                 apcm->srcimps[i] = srcimp;
 602                 apcm->n_srcimp++;
 603         }
 604
 605         /* Allocate a SRC for writing data to host memory */
 606         src_dsc.multi = apcm->substream->runtime->channels;
 607         src_dsc.msr = 1;
 608         src_dsc.mode = MEMWR;
 609         err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
 610         if (err)
 611                 goto error1;
 612
 613         src = apcm->src;
 614         src->ops->set_pitch(src, pitch);
 615
 616         /* Set up device virtual mem map */
 617         err = ct_map_audio_buffer(atc, apcm);
 618         if (err < 0)
 619                 goto error1;
 620
 621         return 0;
 622
 623 error1:
 624         atc_pcm_release_resources(atc, apcm);
 625         return err;
 626 }
 627
 628 static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 629 {
 630         struct src *src = NULL;
 631         struct amixer *amixer = NULL;
 632         struct srcimp *srcimp = NULL;
 633         struct ct_mixer *mixer = atc->mixer;
 634         struct sum *mono = NULL;
 635         struct rsc *out_ports[8] = {NULL};
 636         int err = 0, i = 0, j = 0, n_sum = 0, multi = 0;
 637         unsigned int pitch = 0;
 638         int mix_base = 0, imp_base = 0;
 639
 640         if (NULL != apcm->src) {
 641                 /* Prepared pcm capture */
 642                 return 0;
 643         }
 644
 645         /* Get needed resources. */
 646         err = atc_pcm_capture_get_resources(atc, apcm);
 647         if (err)
 648                 return err;
 649
 650         /* Connect resources */
 651         mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
 652                                 &out_ports[0], &out_ports[1]);
 653
 654         multi = apcm->substream->runtime->channels;
 655         if (1 == multi) {
 656                 mono = apcm->mono;
 657                 for (i = 0; i < 2; i++) {
 658                         amixer = apcm->amixers[i];
 659                         amixer->ops->setup(amixer, out_ports[i],
 660                                                 MONO_SUM_SCALE, mono);
 661                 }
 662                 out_ports[0] = &mono->rsc;
 663                 n_sum = 1;
 664                 mix_base = n_sum * 2;
 665         }
 666
 667         for (i = 0; i < apcm->n_srcc; i++) {
 668                 src = apcm->srccs[i];
 669                 srcimp = apcm->srcimps[imp_base+i];
 670                 amixer = apcm->amixers[mix_base+i];
 671                 srcimp->ops->map(srcimp, src, out_ports[i%multi]);
 672                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
 673                 out_ports[i%multi] = &amixer->rsc;
 674         }
 675
 676         pitch = atc_get_pitch((atc->rsr * atc->msr),
 677                                 apcm->substream->runtime->rate);
 678
 679         if ((multi > 1) && (pitch <= 0x8000000)) {
 680                 /* Special connection for interleaved
 681                  * recording with conjugate channels */
 682                 for (i = 0; i < multi; i++) {
 683                         out_ports[i]->ops->master(out_ports[i]);
 684                         for (j = 0; j < atc->msr; j++) {
 685                                 amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
 686                                 amixer->ops->set_input(amixer, out_ports[i]);
 687                                 amixer->ops->set_scale(amixer, INIT_VOL);
 688                                 amixer->ops->set_sum(amixer, NULL);
 689                                 amixer->ops->commit_raw_write(amixer);
 690                                 out_ports[i]->ops->next_conj(out_ports[i]);
 691
 692                                 srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
 693                                 srcimp->ops->map(srcimp, apcm->src,
 694                                                         &amixer->rsc);
 695                         }
 696                 }
 697         } else {
 698                 for (i = 0; i < multi; i++) {
 699                         srcimp = apcm->srcimps[apcm->n_srcc+i];
 700                         srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
 701                 }
 702         }
 703
 704         return 0;
 705 }
 706
 707 static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 708 {
 709         struct src *src = NULL;
 710         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 711         int i = 0, multi = 0;
 712
 713         if (apcm->started)
 714                 return 0;
 715
 716         apcm->started = 1;
 717         multi = apcm->substream->runtime->channels;
 718         /* Set up converting SRCs */
 719         for (i = 0; i < apcm->n_srcc; i++) {
 720                 src = apcm->srccs[i];
 721                 src->ops->set_pm(src, ((i%multi) != (multi-1)));
 722                 src_mgr->src_disable(src_mgr, src);
 723         }
 724
 725         /*  Set up recording SRC */
 726         src = apcm->src;
 727         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
 728         src->ops->set_sa(src, apcm->vm_block->addr);
 729         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
 730         src->ops->set_ca(src, apcm->vm_block->addr);
 731         src_mgr->src_disable(src_mgr, src);
 732
 733         /* Disable relevant SRCs firstly */
 734         src_mgr->commit_write(src_mgr);
 735
 736         /* Enable SRCs respectively */
 737         for (i = 0; i < apcm->n_srcc; i++) {
 738                 src = apcm->srccs[i];
 739                 src->ops->set_state(src, SRC_STATE_RUN);
 740                 src->ops->commit_write(src);
 741                 src_mgr->src_enable_s(src_mgr, src);
 742         }
 743         src = apcm->src;
 744         src->ops->set_bm(src, 1);
 745         src->ops->set_state(src, SRC_STATE_RUN);
 746         src->ops->commit_write(src);
 747         src_mgr->src_enable_s(src_mgr, src);
 748
 749         /* Enable relevant SRCs synchronously */
 750         src_mgr->commit_write(src_mgr);
 751
 752         return 0;
 753 }
 754
 755 static int
 756 atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 757 {
 758         struct src *src = apcm->src;
 759
 760         return src->ops->get_ca(src) - apcm->vm_block->addr;
 761 }
 762
 763 static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
 764                                                  struct ct_atc_pcm *apcm)
 765 {
 766         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
 767         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
 768         struct src_desc desc = {0};
 769         struct amixer_desc mix_dsc = {0};
 770         struct src *src = NULL;
 771         int err = 0;
 772         int n_amixer = apcm->substream->runtime->channels, i = 0;
 773         unsigned int pitch = 0, rsr = atc->pll_rate;
 774
 775         /* first release old resources */
 776         atc->pcm_release_resources(atc, apcm);
 777
 778         /* Get SRC resource */
 779         desc.multi = apcm->substream->runtime->channels;
 780         desc.msr = 1;
 781         while (apcm->substream->runtime->rate > (rsr * desc.msr))
 782                 desc.msr <<= 1;
 783
 784         desc.mode = MEMRD;
 785         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
 786         if (err)
 787                 goto error1;
 788
 789         pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
 790         src = apcm->src;
 791         src->ops->set_pitch(src, pitch);
 792         src->ops->set_rom(src, select_rom(pitch));
 793         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
 794         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
 795         src->ops->set_bp(src, 1);
 796
 797         /* Get AMIXER resource */
 798         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
 799         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
 800         if (NULL == apcm->amixers) {
 801                 err = -ENOMEM;
 802                 goto error1;
 803         }
 804         mix_dsc.msr = desc.msr;
 805         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
 806                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
 807                                         (struct amixer **)&apcm->amixers[i]);
 808                 if (err)
 809                         goto error1;
 810
 811                 apcm->n_amixer++;
 812         }
 813
 814         /* Set up device virtual mem map */
 815         err = ct_map_audio_buffer(atc, apcm);
 816         if (err < 0)
 817                 goto error1;
 818
 819         return 0;
 820
 821 error1:
 822         atc_pcm_release_resources(atc, apcm);
 823         return err;
 824 }
 825
 826 static int
 827 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 828 {
 829         struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 830         unsigned long flags;
 831         unsigned int rate = apcm->substream->runtime->rate;
 832         unsigned int status = 0;
 833         int err = 0;
 834         unsigned char iec958_con_fs = 0;
 835
 836         switch (rate) {
 837         case 48000:
 838                 iec958_con_fs = IEC958_AES3_CON_FS_48000;
 839                 break;
 840         case 44100:
 841                 iec958_con_fs = IEC958_AES3_CON_FS_44100;
 842                 break;
 843         case 32000:
 844                 iec958_con_fs = IEC958_AES3_CON_FS_32000;
 845                 break;
 846         default:
 847                 return -ENOENT;
 848         }
 849
 850         spin_lock_irqsave(&atc->atc_lock, flags);
 851         dao->ops->get_spos(dao, &status);
 852         if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
 853                 status &= ((~IEC958_AES3_CON_FS) << 24);
 854                 status |= (iec958_con_fs << 24);
 855                 dao->ops->set_spos(dao, status);
 856                 dao->ops->commit_write(dao);
 857         }
 858         if ((rate != atc->pll_rate) && (32000 != rate)) {
 859                 err = ((struct hw *)atc->hw)->pll_init(atc->hw, rate);
 860                 atc->pll_rate = err ? 0 : rate;
 861         }
 862         spin_unlock_irqrestore(&atc->atc_lock, flags);
 863
 864         return err;
 865 }
 866
 867 static int
 868 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
 869 {
 870         struct src *src = NULL;
 871         struct amixer *amixer = NULL;
 872         struct dao *dao = NULL;
 873         int err = 0;
 874         int i = 0;
 875         unsigned long flags;
 876
 877         if (NULL != apcm->src)
 878                 return 0;
 879
 880         /* Configure SPDIFOO and PLL to passthrough mode;
 881          * determine pll_rate. */
 882         err = spdif_passthru_playback_setup(atc, apcm);
 883         if (err)
 884                 return err;
 885
 886         /* Get needed resources. */
 887         err = spdif_passthru_playback_get_resources(atc, apcm);
 888         if (err)
 889                 return err;
 890
 891         /* Connect resources */
 892         src = apcm->src;
 893         for (i = 0; i < apcm->n_amixer; i++) {
 894                 amixer = apcm->amixers[i];
 895                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
 896                 src = src->ops->next_interleave(src);
 897                 if (NULL == src)
 898                         src = apcm->src;
 899         }
 900         /* Connect to SPDIFOO */
 901         spin_lock_irqsave(&atc->atc_lock, flags);
 902         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
 903         amixer = apcm->amixers[0];
 904         dao->ops->set_left_input(dao, &amixer->rsc);
 905         amixer = apcm->amixers[1];
 906         dao->ops->set_right_input(dao, &amixer->rsc);
 907         spin_unlock_irqrestore(&atc->atc_lock, flags);
 908
 909         return 0;
 910 }
 911
 912 static int atc_select_line_in(struct ct_atc *atc)
 913 {
 914         struct hw *hw = atc->hw;
 915         struct ct_mixer *mixer = atc->mixer;
 916         struct src *src = NULL;
 917
 918         if (hw->is_adc_source_selected(hw, ADC_LINEIN))
 919                 return 0;
 920
 921         mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
 922         mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
 923
 924         hw->select_adc_source(hw, ADC_LINEIN);
 925
 926         src = atc->srcs[2];
 927         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
 928         src = atc->srcs[3];
 929         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
 930
 931         return 0;
 932 }
 933
 934 static int atc_select_mic_in(struct ct_atc *atc)
 935 {
 936         struct hw *hw = atc->hw;
 937         struct ct_mixer *mixer = atc->mixer;
 938         struct src *src = NULL;
 939
 940         if (hw->is_adc_source_selected(hw, ADC_MICIN))
 941                 return 0;
 942
 943         mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
 944         mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
 945
 946         hw->select_adc_source(hw, ADC_MICIN);
 947
 948         src = atc->srcs[2];
 949         mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
 950         src = atc->srcs[3];
 951         mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
 952
 953         return 0;
 954 }
 955
 956 static int atc_have_digit_io_switch(struct ct_atc *atc)
 957 {
 958         struct hw *hw = atc->hw;
 959
 960         return hw->have_digit_io_switch(hw);
 961 }
 962
 963 static int atc_select_digit_io(struct ct_atc *atc)
 964 {
 965         struct hw *hw = atc->hw;
 966
 967         if (hw->is_adc_source_selected(hw, ADC_NONE))
 968                 return 0;
 969
 970         hw->select_adc_source(hw, ADC_NONE);
 971
 972         return 0;
 973 }
 974
 975 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
 976 {
 977         struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
 978
 979         if (state)
 980                 daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
 981         else
 982                 daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
 983
 984         daio_mgr->commit_write(daio_mgr);
 985
 986         return 0;
 987 }
 988
 989 static int
 990 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
 991 {
 992         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
 993         return dao->ops->get_spos(dao, status);
 994 }
 995
 996 static int
 997 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
 998 {
 999         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1000
1001         dao->ops->set_spos(dao, status);
1002         dao->ops->commit_write(dao);
1003         return 0;
1004 }
1005
1006 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1007 {
1008         return atc_daio_unmute(atc, state, LINEO1);
1009 }
1010
1011 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1012 {
1013         return atc_daio_unmute(atc, state, LINEO4);
1014 }
1015
1016 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1017 {
1018         return atc_daio_unmute(atc, state, LINEO3);
1019 }
1020
1021 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1022 {
1023         return atc_daio_unmute(atc, state, LINEO2);
1024 }
1025
1026 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1027 {
1028         return atc_daio_unmute(atc, state, LINEIM);
1029 }
1030
1031 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1032 {
1033         return atc_daio_unmute(atc, state, SPDIFOO);
1034 }
1035
1036 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1037 {
1038         return atc_daio_unmute(atc, state, SPDIFIO);
1039 }
1040
1041 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1042 {
1043         return atc_dao_get_status(atc, status, SPDIFOO);
1044 }
1045
1046 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1047 {
1048         return atc_dao_set_status(atc, status, SPDIFOO);
1049 }
1050
1051 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1052 {
1053         unsigned long flags;
1054         struct dao_desc da_dsc = {0};
1055         struct dao *dao = NULL;
1056         int err = 0;
1057         struct ct_mixer *mixer = atc->mixer;
1058         struct rsc *rscs[2] = {NULL};
1059         unsigned int spos = 0;
1060
1061         spin_lock_irqsave(&atc->atc_lock, flags);
1062         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1063         da_dsc.msr = state ? 1 : atc->msr;
1064         da_dsc.passthru = state ? 1 : 0;
1065         err = dao->ops->reinit(dao, &da_dsc);
1066         if (state) {
1067                 spos = IEC958_DEFAULT_CON;
1068         } else {
1069                 mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1070                                         &rscs[0], &rscs[1]);
1071                 dao->ops->set_left_input(dao, rscs[0]);
1072                 dao->ops->set_right_input(dao, rscs[1]);
1073                 /* Restore PLL to atc->rsr if needed. */
1074                 if (atc->pll_rate != atc->rsr) {
1075                         err = ((struct hw *)atc->hw)->pll_init(atc->hw,
1076                                                                atc->rsr);
1077                         atc->pll_rate = err ? 0 : atc->rsr;
1078                 }
1079         }
1080         dao->ops->set_spos(dao, spos);
1081         dao->ops->commit_write(dao);
1082         spin_unlock_irqrestore(&atc->atc_lock, flags);
1083
1084         return err;
1085 }
1086
1087 static int ct_atc_destroy(struct ct_atc *atc)
1088 {
1089         struct daio_mgr *daio_mgr = NULL;
1090         struct dao *dao = NULL;
1091         struct dai *dai = NULL;
1092         struct daio *daio = NULL;
1093         struct sum_mgr *sum_mgr = NULL;
1094         struct src_mgr *src_mgr = NULL;
1095         struct srcimp_mgr *srcimp_mgr = NULL;
1096         struct srcimp *srcimp = NULL;
1097         struct ct_mixer *mixer = NULL;
1098         int i = 0;
1099
1100         if (NULL == atc)
1101                 return 0;
1102
1103         /* Stop hardware and disable all interrupts */
1104         if (NULL != atc->hw)
1105                 ((struct hw *)atc->hw)->card_stop(atc->hw);
1106
1107         /* Destroy internal mixer objects */
1108         if (NULL != atc->mixer) {
1109                 mixer = atc->mixer;
1110                 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1111                 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1112                 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1113                 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1114                 mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1115                 mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1116                 ct_mixer_destroy(atc->mixer);
1117         }
1118
1119         if (NULL != atc->daios) {
1120                 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1121                 for (i = 0; i < atc->n_daio; i++) {
1122                         daio = atc->daios[i];
1123                         if (daio->type < LINEIM) {
1124                                 dao = container_of(daio, struct dao, daio);
1125                                 dao->ops->clear_left_input(dao);
1126                                 dao->ops->clear_right_input(dao);
1127                         } else {
1128                                 dai = container_of(daio, struct dai, daio);
1129                                 /* some thing to do for dai ... */
1130                         }
1131                         daio_mgr->put_daio(daio_mgr, daio);
1132                 }
1133                 kfree(atc->daios);
1134         }
1135
1136         if (NULL != atc->pcm) {
1137                 sum_mgr = atc->rsc_mgrs[SUM];
1138                 for (i = 0; i < atc->n_pcm; i++)
1139                         sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1140
1141                 kfree(atc->pcm);
1142         }
1143
1144         if (NULL != atc->srcs) {
1145                 src_mgr = atc->rsc_mgrs[SRC];
1146                 for (i = 0; i < atc->n_src; i++)
1147                         src_mgr->put_src(src_mgr, atc->srcs[i]);
1148
1149                 kfree(atc->srcs);
1150         }
1151
1152         if (NULL != atc->srcimps) {
1153                 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1154                 for (i = 0; i < atc->n_srcimp; i++) {
1155                         srcimp = atc->srcimps[i];
1156                         srcimp->ops->unmap(srcimp);
1157                         srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1158                 }
1159                 kfree(atc->srcimps);
1160         }
1161
1162         for (i = 0; i < NUM_RSCTYP; i++) {
1163                 if ((NULL != rsc_mgr_funcs[i].destroy) &&
1164                     (NULL != atc->rsc_mgrs[i]))
1165                         rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1166
1167         }
1168
1169         if (NULL != atc->hw)
1170                 destroy_hw_obj((struct hw *)atc->hw);
1171
1172         /* Destroy device virtual memory manager object */
1173         if (NULL != atc->vm) {
1174                 ct_vm_destroy(atc->vm);
1175                 atc->vm = NULL;
1176         }
1177
1178         kfree(atc);
1179
1180         return 0;
1181 }
1182
1183 static int atc_dev_free(struct snd_device *dev)
1184 {
1185         struct ct_atc *atc = dev->device_data;
1186         return ct_atc_destroy(atc);
1187 }
1188
1189 static int atc_identify_card(struct ct_atc *atc)
1190 {
1191         u16 subsys;
1192         u8 revision;
1193         struct pci_dev *pci = atc->pci;
1194         const struct ct_atc_chip_details *d;
1195         enum CTCARDS i;
1196
1197         subsys = pci->subsystem_device;
1198         revision = pci->revision;
1199         atc->chip_details = NULL;
1200         atc->model = NUM_CTCARDS;
1201         for (d = atc_chip_details; d->vendor; d++) {
1202                 if (d->vendor != pci->vendor || d->device != pci->device)
1203                         continue;
1204
1205                 if (NULL == d->sub_details) {
1206                         atc->chip_details = d;
1207                         break;
1208                 }
1209                 for (i = 0; i < NUM_CTCARDS; i++) {
1210                         if ((d->sub_details[i].subsys == subsys) ||
1211                             (((subsys & 0x6000) == 0x6000) &&
1212                             ((d->sub_details[i].subsys & 0x6000) == 0x6000))) {
1213                                 atc->model = i;
1214                                 break;
1215                         }
1216                 }
1217                 if (i >= NUM_CTCARDS)
1218                         continue;
1219
1220                 atc->chip_details = d;
1221                 break;
1222                 /* not take revision into consideration now */
1223         }
1224         if (!d->vendor)
1225                 return -ENOENT;
1226
1227         return 0;
1228 }
1229
1230 static int ct_create_alsa_devs(struct ct_atc *atc)
1231 {
1232         enum CTALSADEVS i;
1233         struct hw *hw = atc->hw;
1234         int err;
1235
1236         switch (hw->get_chip_type(hw)) {
1237         case ATC20K1:
1238                 alsa_dev_funcs[MIXER].public_name = "20K1";
1239                 break;
1240         case ATC20K2:
1241                 alsa_dev_funcs[MIXER].public_name = "20K2";
1242                 break;
1243         default:
1244                 alsa_dev_funcs[MIXER].public_name = "Unknown";
1245                 break;
1246         }
1247
1248         for (i = 0; i < NUM_CTALSADEVS; i++) {
1249                 if (NULL == alsa_dev_funcs[i].create)
1250                         continue;
1251
1252                 err = alsa_dev_funcs[i].create(atc, i,
1253                                 alsa_dev_funcs[i].public_name);
1254                 if (err) {
1255                         printk(KERN_ERR "ctxfi: "
1256                                "Creating alsa device %d failed!\n", i);
1257                         return err;
1258                 }
1259         }
1260
1261         return 0;
1262 }
1263
1264 static int atc_create_hw_devs(struct ct_atc *atc)
1265 {
1266         struct hw *hw = NULL;
1267         struct card_conf info = {0};
1268         int i = 0, err = 0;
1269
1270         err = create_hw_obj(atc->pci, &hw);
1271         if (err) {
1272                 printk(KERN_ERR "Failed to create hw obj!!!\n");
1273                 return err;
1274         }
1275         atc->hw = hw;
1276
1277         /* Initialize card hardware. */
1278         info.rsr = atc->rsr;
1279         info.msr = atc->msr;
1280         info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1281         err = hw->card_init(hw, &info);
1282         if (err < 0)
1283                 return err;
1284
1285         for (i = 0; i < NUM_RSCTYP; i++) {
1286                 if (NULL == rsc_mgr_funcs[i].create)
1287                         continue;
1288
1289                 err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1290                 if (err) {
1291                         printk(KERN_ERR "ctxfi: "
1292                                "Failed to create rsc_mgr %d!!!\n", i);
1293                         return err;
1294                 }
1295         }
1296
1297         return 0;
1298 }
1299
1300 static int atc_get_resources(struct ct_atc *atc)
1301 {
1302         struct daio_desc da_desc = {0};
1303         struct daio_mgr *daio_mgr = NULL;
1304         struct src_desc src_dsc = {0};
1305         struct src_mgr *src_mgr = NULL;
1306         struct srcimp_desc srcimp_dsc = {0};
1307         struct srcimp_mgr *srcimp_mgr = NULL;
1308         struct sum_desc sum_dsc = {0};
1309         struct sum_mgr *sum_mgr = NULL;
1310         int err = 0, i = 0;
1311         unsigned short subsys_id;
1312
1313         atc->daios = kzalloc(sizeof(void *)*(DAIONUM), GFP_KERNEL);
1314         if (NULL == atc->daios)
1315                 return -ENOMEM;
1316
1317         atc->srcs = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
1318         if (NULL == atc->srcs)
1319                 return -ENOMEM;
1320
1321         atc->srcimps = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
1322         if (NULL == atc->srcimps)
1323                 return -ENOMEM;
1324
1325         atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL);
1326         if (NULL == atc->pcm)
1327                 return -ENOMEM;
1328
1329         daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1330         da_desc.msr = atc->msr;
1331         for (i = 0, atc->n_daio = 0; i < DAIONUM-1; i++) {
1332                 da_desc.type = i;
1333                 err = daio_mgr->get_daio(daio_mgr, &da_desc,
1334                                         (struct daio **)&atc->daios[i]);
1335                 if (err) {
1336                         printk(KERN_ERR "ctxfi: Failed to get DAIO "
1337                                         "resource %d!!!\n", i);
1338                         return err;
1339                 }
1340                 atc->n_daio++;
1341         }
1342         subsys_id = atc->pci->subsystem_device;
1343         if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) {
1344                 /* SB073x cards */
1345                 da_desc.type = SPDIFI1;
1346         } else {
1347                 da_desc.type = SPDIFIO;
1348         }
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 S/PDIF-in resource!!!\n");
1353                 return err;
1354         }
1355         atc->n_daio++;
1356
1357         src_mgr = atc->rsc_mgrs[SRC];
1358         src_dsc.multi = 1;
1359         src_dsc.msr = atc->msr;
1360         src_dsc.mode = ARCRW;
1361         for (i = 0, atc->n_src = 0; i < (2*2); i++) {
1362                 err = src_mgr->get_src(src_mgr, &src_dsc,
1363                                         (struct src **)&atc->srcs[i]);
1364                 if (err)
1365                         return err;
1366
1367                 atc->n_src++;
1368         }
1369
1370         srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1371         srcimp_dsc.msr = 8; /* SRCIMPs for S/PDIFIn SRT */
1372         for (i = 0, atc->n_srcimp = 0; i < (2*1); i++) {
1373                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1374                                         (struct srcimp **)&atc->srcimps[i]);
1375                 if (err)
1376                         return err;
1377
1378                 atc->n_srcimp++;
1379         }
1380         srcimp_dsc.msr = 8; /* SRCIMPs for LINE/MICIn SRT */
1381         for (i = 0; i < (2*1); i++) {
1382                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1383                                 (struct srcimp **)&atc->srcimps[2*1+i]);
1384                 if (err)
1385                         return err;
1386
1387                 atc->n_srcimp++;
1388         }
1389
1390         sum_mgr = atc->rsc_mgrs[SUM];
1391         sum_dsc.msr = atc->msr;
1392         for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1393                 err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1394                                         (struct sum **)&atc->pcm[i]);
1395                 if (err)
1396                         return err;
1397
1398                 atc->n_pcm++;
1399         }
1400
1401         err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1402         if (err) {
1403                 printk(KERN_ERR "ctxfi: Failed to create mixer obj!!!\n");
1404                 return err;
1405         }
1406
1407         return 0;
1408 }
1409
1410 static void
1411 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1412                 struct src **srcs, struct srcimp **srcimps)
1413 {
1414         struct rsc *rscs[2] = {NULL};
1415         struct src *src = NULL;
1416         struct srcimp *srcimp = NULL;
1417         int i = 0;
1418
1419         rscs[0] = &dai->daio.rscl;
1420         rscs[1] = &dai->daio.rscr;
1421         for (i = 0; i < 2; i++) {
1422                 src = srcs[i];
1423                 srcimp = srcimps[i];
1424                 srcimp->ops->map(srcimp, src, rscs[i]);
1425                 src_mgr->src_disable(src_mgr, src);
1426         }
1427
1428         src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1429
1430         src = srcs[0];
1431         src->ops->set_pm(src, 1);
1432         for (i = 0; i < 2; i++) {
1433                 src = srcs[i];
1434                 src->ops->set_state(src, SRC_STATE_RUN);
1435                 src->ops->commit_write(src);
1436                 src_mgr->src_enable_s(src_mgr, src);
1437         }
1438
1439         dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1440         dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1441
1442         dai->ops->set_enb_src(dai, 1);
1443         dai->ops->set_enb_srt(dai, 1);
1444         dai->ops->commit_write(dai);
1445
1446         src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1447 }
1448
1449 static void atc_connect_resources(struct ct_atc *atc)
1450 {
1451         struct dai *dai = NULL;
1452         struct dao *dao = NULL;
1453         struct src *src = NULL;
1454         struct sum *sum = NULL;
1455         struct ct_mixer *mixer = NULL;
1456         struct rsc *rscs[2] = {NULL};
1457         int i = 0, j = 0;
1458
1459         mixer = atc->mixer;
1460
1461         for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1462                 mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1463                 dao = container_of(atc->daios[j], struct dao, daio);
1464                 dao->ops->set_left_input(dao, rscs[0]);
1465                 dao->ops->set_right_input(dao, rscs[1]);
1466         }
1467
1468         dai = container_of(atc->daios[LINEIM], struct dai, daio);
1469         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1470                         (struct src **)&atc->srcs[2],
1471                         (struct srcimp **)&atc->srcimps[2]);
1472         src = atc->srcs[2];
1473         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1474         src = atc->srcs[3];
1475         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1476
1477         dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1478         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1479                         (struct src **)&atc->srcs[0],
1480                         (struct srcimp **)&atc->srcimps[0]);
1481
1482         src = atc->srcs[0];
1483         mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1484         src = atc->srcs[1];
1485         mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1486
1487         for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1488                 sum = atc->pcm[j];
1489                 mixer->set_input_left(mixer, i, &sum->rsc);
1490                 sum = atc->pcm[j+1];
1491                 mixer->set_input_right(mixer, i, &sum->rsc);
1492         }
1493 }
1494
1495 static void atc_set_ops(struct ct_atc *atc)
1496 {
1497         /* Set operations */
1498         atc->map_audio_buffer = ct_map_audio_buffer;
1499         atc->unmap_audio_buffer = ct_unmap_audio_buffer;
1500         atc->pcm_playback_prepare = atc_pcm_playback_prepare;
1501         atc->pcm_release_resources = atc_pcm_release_resources;
1502         atc->pcm_playback_start = atc_pcm_playback_start;
1503         atc->pcm_playback_stop = atc_pcm_stop;
1504         atc->pcm_playback_position = atc_pcm_playback_position;
1505         atc->pcm_capture_prepare = atc_pcm_capture_prepare;
1506         atc->pcm_capture_start = atc_pcm_capture_start;
1507         atc->pcm_capture_stop = atc_pcm_stop;
1508         atc->pcm_capture_position = atc_pcm_capture_position;
1509         atc->spdif_passthru_playback_prepare = spdif_passthru_playback_prepare;
1510         atc->get_ptp_phys = atc_get_ptp_phys;
1511         atc->select_line_in = atc_select_line_in;
1512         atc->select_mic_in = atc_select_mic_in;
1513         atc->select_digit_io = atc_select_digit_io;
1514         atc->line_front_unmute = atc_line_front_unmute;
1515         atc->line_surround_unmute = atc_line_surround_unmute;
1516         atc->line_clfe_unmute = atc_line_clfe_unmute;
1517         atc->line_rear_unmute = atc_line_rear_unmute;
1518         atc->line_in_unmute = atc_line_in_unmute;
1519         atc->spdif_out_unmute = atc_spdif_out_unmute;
1520         atc->spdif_in_unmute = atc_spdif_in_unmute;
1521         atc->spdif_out_get_status = atc_spdif_out_get_status;
1522         atc->spdif_out_set_status = atc_spdif_out_set_status;
1523         atc->spdif_out_passthru = atc_spdif_out_passthru;
1524         atc->have_digit_io_switch = atc_have_digit_io_switch;
1525 }
1526
1527 /**
1528  *  ct_atc_create - create and initialize a hardware manager
1529  *  @card: corresponding alsa card object
1530  *  @pci: corresponding kernel pci device object
1531  *  @ratc: return created object address in it
1532  *
1533  *  Creates and initializes a hardware manager.
1534  *
1535  *  Creates kmallocated ct_atc structure. Initializes hardware.
1536  *  Returns 0 if suceeds, or negative error code if fails.
1537  */
1538
1539 int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1540                   unsigned int rsr, unsigned int msr, struct ct_atc **ratc)
1541 {
1542         struct ct_atc *atc = NULL;
1543         static struct snd_device_ops ops = {
1544                 .dev_free = atc_dev_free,
1545         };
1546         int err = 0;
1547
1548         *ratc = NULL;
1549
1550         atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1551         if (NULL == atc)
1552                 return -ENOMEM;
1553
1554         atc->card = card;
1555         atc->pci = pci;
1556         atc->rsr = rsr;
1557         atc->msr = msr;
1558
1559         /* Set operations */
1560         atc_set_ops(atc);
1561
1562         spin_lock_init(&atc->atc_lock);
1563
1564         /* Find card model */
1565         err = atc_identify_card(atc);
1566         if (err < 0) {
1567                 printk(KERN_ERR "ctatc: Card not recognised\n");
1568                 goto error1;
1569         }
1570
1571         /* Set up device virtual memory management object */
1572         err = ct_vm_create(&atc->vm);
1573         if (err < 0)
1574                 goto error1;
1575
1576         /* Create all atc hw devices */
1577         err = atc_create_hw_devs(atc);
1578         if (err < 0)
1579                 goto error1;
1580
1581         /* Get resources */
1582         err = atc_get_resources(atc);
1583         if (err < 0)
1584                 goto error1;
1585
1586         /* Build topology */
1587         atc_connect_resources(atc);
1588
1589         atc->create_alsa_devs = ct_create_alsa_devs;
1590
1591         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1592         if (err < 0)
1593                 goto error1;
1594
1595         snd_card_set_dev(card, &pci->dev);
1596
1597         *ratc = atc;
1598         return 0;
1599
1600 error1:
1601         ct_atc_destroy(atc);
1602         printk(KERN_ERR "ctxfi: Something wrong!!!\n");
1603         return err;
1604 }
1605