sound/pci/asihpi/asihpi.c

   1 /*
   2  *  Asihpi soundcard
   3  *  Copyright (c) by AudioScience Inc <alsa@audioscience.com>
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of version 2 of the GNU General Public License as
   7  *   published by the Free Software Foundation;
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program; if not, write to the Free Software
  16  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17  *
  18  *
  19  *  The following is not a condition of use, merely a request:
  20  *  If you modify this program, particularly if you fix errors, AudioScience Inc
  21  *  would appreciate it if you grant us the right to use those modifications
  22  *  for any purpose including commercial applications.
  23  */
  24
  25 /* >0: print Hw params, timer vars. >1: print stream write/copy sizes  */
  26 #define REALLY_VERBOSE_LOGGING 0
  27
  28 #if REALLY_VERBOSE_LOGGING
  29 #define VPRINTK1 snd_printd
  30 #else
  31 #define VPRINTK1(...)
  32 #endif
  33
  34 #if REALLY_VERBOSE_LOGGING > 1
  35 #define VPRINTK2 snd_printd
  36 #else
  37 #define VPRINTK2(...)
  38 #endif
  39
  40 #include "hpi_internal.h"
  41 #include "hpimsginit.h"
  42 #include "hpioctl.h"
  43
  44 #include <linux/pci.h>
  45 #include <linux/version.h>
  46 #include <linux/init.h>
  47 #include <linux/jiffies.h>
  48 #include <linux/slab.h>
  49 #include <linux/time.h>
  50 #include <linux/wait.h>
  51 #include <sound/core.h>
  52 #include <sound/control.h>
  53 #include <sound/pcm.h>
  54 #include <sound/pcm_params.h>
  55 #include <sound/info.h>
  56 #include <sound/initval.h>
  57 #include <sound/tlv.h>
  58 #include <sound/hwdep.h>
  59
  60
  61 MODULE_LICENSE("GPL");
  62 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>");
  63 MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx");
  64
  65 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* index 0-MAX */
  66 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  67 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
  68 static int enable_hpi_hwdep = 1;
  69
  70 module_param_array(index, int, NULL, S_IRUGO);
  71 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
  72
  73 module_param_array(id, charp, NULL, S_IRUGO);
  74 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
  75
  76 module_param_array(enable, bool, NULL, S_IRUGO);
  77 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
  78
  79 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR);
  80 MODULE_PARM_DESC(enable_hpi_hwdep,
  81                 "ALSA enable HPI hwdep for AudioScience soundcard ");
  82
  83 /* identify driver */
  84 #ifdef KERNEL_ALSA_BUILD
  85 static char *build_info = "Built using headers from kernel source";
  86 module_param(build_info, charp, S_IRUGO);
  87 MODULE_PARM_DESC(build_info, "built using headers from kernel source");
  88 #else
  89 static char *build_info = "Built within ALSA source";
  90 module_param(build_info, charp, S_IRUGO);
  91 MODULE_PARM_DESC(build_info, "built within ALSA source");
  92 #endif
  93
  94 /* set to 1 to dump every control from adapter to log */
  95 static const int mixer_dump;
  96
  97 #define DEFAULT_SAMPLERATE 44100
  98 static int adapter_fs = DEFAULT_SAMPLERATE;
  99
 100 /* defaults */
 101 #define PERIODS_MIN 2
 102 #define PERIOD_BYTES_MIN  2048
 103 #define BUFFER_BYTES_MAX (512 * 1024)
 104
 105 /* convert stream to character */
 106 #define SCHR(s) ((s == SNDRV_PCM_STREAM_PLAYBACK) ? 'P' : 'C')
 107
 108 /*#define TIMER_MILLISECONDS 20
 109 #define FORCE_TIMER_JIFFIES ((TIMER_MILLISECONDS * HZ + 999)/1000)
 110 */
 111
 112 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7)
 113
 114 struct clk_source {
 115         int source;
 116         int index;
 117         char *name;
 118 };
 119
 120 struct clk_cache {
 121         int count;
 122         int has_local;
 123         struct clk_source s[MAX_CLOCKSOURCES];
 124 };
 125
 126 /* Per card data */
 127 struct snd_card_asihpi {
 128         struct snd_card *card;
 129         struct pci_dev *pci;
 130         u16 adapter_index;
 131         u32 serial_number;
 132         u16 type;
 133         u16 version;
 134         u16 num_outstreams;
 135         u16 num_instreams;
 136
 137         u32 h_mixer;
 138         struct clk_cache cc;
 139
 140         u16 support_mmap;
 141         u16 support_grouping;
 142         u16 support_mrx;
 143         u16 update_interval_frames;
 144         u16 in_max_chans;
 145         u16 out_max_chans;
 146 };
 147
 148 /* Per stream data */
 149 struct snd_card_asihpi_pcm {
 150         struct timer_list timer;
 151         unsigned int respawn_timer;
 152         unsigned int hpi_buffer_attached;
 153         unsigned int buffer_bytes;
 154         unsigned int period_bytes;
 155         unsigned int bytes_per_sec;
 156         unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
 157         unsigned int pcm_buf_dma_ofs;   /* DMA R/W offset in buffer */
 158         unsigned int pcm_buf_elapsed_dma_ofs;   /* DMA R/W offset in buffer */
 159         struct snd_pcm_substream *substream;
 160         u32 h_stream;
 161         struct hpi_format format;
 162 };
 163
 164 /* universal stream verbs work with out or in stream handles */
 165
 166 /* Functions to allow driver to give a buffer to HPI for busmastering */
 167
 168 static u16 hpi_stream_host_buffer_attach(
 169         u32 h_stream,   /* handle to outstream. */
 170         u32 size_in_bytes, /* size in bytes of bus mastering buffer */
 171         u32 pci_address
 172 )
 173 {
 174         struct hpi_message hm;
 175         struct hpi_response hr;
 176         unsigned int obj = hpi_handle_object(h_stream);
 177
 178         if (!h_stream)
 179                 return HPI_ERROR_INVALID_OBJ;
 180         hpi_init_message_response(&hm, &hr, obj,
 181                         obj == HPI_OBJ_OSTREAM ?
 182                                 HPI_OSTREAM_HOSTBUFFER_ALLOC :
 183                                 HPI_ISTREAM_HOSTBUFFER_ALLOC);
 184
 185         hpi_handle_to_indexes(h_stream, &hm.adapter_index,
 186                                 &hm.obj_index);
 187
 188         hm.u.d.u.buffer.buffer_size = size_in_bytes;
 189         hm.u.d.u.buffer.pci_address = pci_address;
 190         hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
 191         hpi_send_recv(&hm, &hr);
 192         return hr.error;
 193 }
 194
 195 static u16 hpi_stream_host_buffer_detach(u32  h_stream)
 196 {
 197         struct hpi_message hm;
 198         struct hpi_response hr;
 199         unsigned int obj = hpi_handle_object(h_stream);
 200
 201         if (!h_stream)
 202                 return HPI_ERROR_INVALID_OBJ;
 203
 204         hpi_init_message_response(&hm, &hr,  obj,
 205                         obj == HPI_OBJ_OSTREAM ?
 206                                 HPI_OSTREAM_HOSTBUFFER_FREE :
 207                                 HPI_ISTREAM_HOSTBUFFER_FREE);
 208
 209         hpi_handle_to_indexes(h_stream, &hm.adapter_index,
 210                                 &hm.obj_index);
 211         hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
 212         hpi_send_recv(&hm, &hr);
 213         return hr.error;
 214 }
 215
 216 static inline u16 hpi_stream_start(u32 h_stream)
 217 {
 218         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 219                 return hpi_outstream_start(h_stream);
 220         else
 221                 return hpi_instream_start(h_stream);
 222 }
 223
 224 static inline u16 hpi_stream_stop(u32 h_stream)
 225 {
 226         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 227                 return hpi_outstream_stop(h_stream);
 228         else
 229                 return hpi_instream_stop(h_stream);
 230 }
 231
 232 static inline u16 hpi_stream_get_info_ex(
 233     u32 h_stream,
 234     u16        *pw_state,
 235     u32        *pbuffer_size,
 236     u32        *pdata_in_buffer,
 237     u32        *psample_count,
 238     u32        *pauxiliary_data
 239 )
 240 {
 241         u16 e;
 242         if (hpi_handle_object(h_stream)  ==  HPI_OBJ_OSTREAM)
 243                 e = hpi_outstream_get_info_ex(h_stream, pw_state,
 244                                         pbuffer_size, pdata_in_buffer,
 245                                         psample_count, pauxiliary_data);
 246         else
 247                 e = hpi_instream_get_info_ex(h_stream, pw_state,
 248                                         pbuffer_size, pdata_in_buffer,
 249                                         psample_count, pauxiliary_data);
 250         return e;
 251 }
 252
 253 static inline u16 hpi_stream_group_add(
 254                                         u32 h_master,
 255                                         u32 h_stream)
 256 {
 257         if (hpi_handle_object(h_master) ==  HPI_OBJ_OSTREAM)
 258                 return hpi_outstream_group_add(h_master, h_stream);
 259         else
 260                 return hpi_instream_group_add(h_master, h_stream);
 261 }
 262
 263 static inline u16 hpi_stream_group_reset(u32 h_stream)
 264 {
 265         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 266                 return hpi_outstream_group_reset(h_stream);
 267         else
 268                 return hpi_instream_group_reset(h_stream);
 269 }
 270
 271 static inline u16 hpi_stream_group_get_map(
 272                                 u32 h_stream, u32 *mo, u32 *mi)
 273 {
 274         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 275                 return hpi_outstream_group_get_map(h_stream, mo, mi);
 276         else
 277                 return hpi_instream_group_get_map(h_stream, mo, mi);
 278 }
 279
 280 static u16 handle_error(u16 err, int line, char *filename)
 281 {
 282         if (err)
 283                 printk(KERN_WARNING
 284                         "in file %s, line %d: HPI error %d\n",
 285                         filename, line, err);
 286         return err;
 287 }
 288
 289 #define hpi_handle_error(x)  handle_error(x, __LINE__, __FILE__)
 290
 291 /***************************** GENERAL PCM ****************/
 292 #if REALLY_VERBOSE_LOGGING
 293 static void print_hwparams(struct snd_pcm_hw_params *p)
 294 {
 295         snd_printd("HWPARAMS \n");
 296         snd_printd("samplerate %d \n", params_rate(p));
 297         snd_printd("Channels %d \n", params_channels(p));
 298         snd_printd("Format %d \n", params_format(p));
 299         snd_printd("subformat %d \n", params_subformat(p));
 300         snd_printd("Buffer bytes %d \n", params_buffer_bytes(p));
 301         snd_printd("Period bytes %d \n", params_period_bytes(p));
 302         snd_printd("access %d \n", params_access(p));
 303         snd_printd("period_size %d \n", params_period_size(p));
 304         snd_printd("periods %d \n", params_periods(p));
 305         snd_printd("buffer_size %d \n", params_buffer_size(p));
 306 }
 307 #else
 308 #define print_hwparams(x)
 309 #endif
 310
 311 static snd_pcm_format_t hpi_to_alsa_formats[] = {
 312         -1,                     /* INVALID */
 313         SNDRV_PCM_FORMAT_U8,    /* HPI_FORMAT_PCM8_UNSIGNED        1 */
 314         SNDRV_PCM_FORMAT_S16,   /* HPI_FORMAT_PCM16_SIGNED         2 */
 315         -1,                     /* HPI_FORMAT_MPEG_L1              3 */
 316         SNDRV_PCM_FORMAT_MPEG,  /* HPI_FORMAT_MPEG_L2              4 */
 317         SNDRV_PCM_FORMAT_MPEG,  /* HPI_FORMAT_MPEG_L3              5 */
 318         -1,                     /* HPI_FORMAT_DOLBY_AC2            6 */
 319         -1,                     /* HPI_FORMAT_DOLBY_AC3            7 */
 320         SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN      8 */
 321         -1,                     /* HPI_FORMAT_AA_TAGIT1_HITS       9 */
 322         -1,                     /* HPI_FORMAT_AA_TAGIT1_INSERTS   10 */
 323         SNDRV_PCM_FORMAT_S32,   /* HPI_FORMAT_PCM32_SIGNED        11 */
 324         -1,                     /* HPI_FORMAT_RAW_BITSTREAM       12 */
 325         -1,                     /* HPI_FORMAT_AA_TAGIT1_HITS_EX1  13 */
 326         SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT         14 */
 327 #if 1
 328         /* ALSA can't handle 3 byte sample size together with power-of-2
 329          *  constraint on buffer_bytes, so disable this format
 330          */
 331         -1
 332 #else
 333         /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
 334 #endif
 335 };
 336
 337
 338 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
 339                                            u16 *hpi_format)
 340 {
 341         u16 format;
 342
 343         for (format = HPI_FORMAT_PCM8_UNSIGNED;
 344              format <= HPI_FORMAT_PCM24_SIGNED; format++) {
 345                 if (hpi_to_alsa_formats[format] == alsa_format) {
 346                         *hpi_format = format;
 347                         return 0;
 348                 }
 349         }
 350
 351         snd_printd(KERN_WARNING "failed match for alsa format %d\n",
 352                    alsa_format);
 353         *hpi_format = 0;
 354         return -EINVAL;
 355 }
 356
 357 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
 358                                          struct snd_pcm_hardware *pcmhw)
 359 {
 360         u16 err;
 361         u32 h_control;
 362         u32 sample_rate;
 363         int idx;
 364         unsigned int rate_min = 200000;
 365         unsigned int rate_max = 0;
 366         unsigned int rates = 0;
 367
 368         if (asihpi->support_mrx) {
 369                 rates |= SNDRV_PCM_RATE_CONTINUOUS;
 370                 rates |= SNDRV_PCM_RATE_8000_96000;
 371                 rate_min = 8000;
 372                 rate_max = 100000;
 373         } else {
 374                 /* on cards without SRC,
 375                    valid rates are determined by sampleclock */
 376                 err = hpi_mixer_get_control(asihpi->h_mixer,
 377                                           HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 378                                           HPI_CONTROL_SAMPLECLOCK, &h_control);
 379                 if (err) {
 380                         snd_printk(KERN_ERR
 381                                 "No local sampleclock, err %d\n", err);
 382                 }
 383
 384                 for (idx = 0; idx < 100; idx++) {
 385                         if (hpi_sample_clock_query_local_rate(
 386                                 h_control, idx, &sample_rate)) {
 387                                 if (!idx)
 388                                         snd_printk(KERN_ERR
 389                                                 "Local rate query failed\n");
 390
 391                                 break;
 392                         }
 393
 394                         rate_min = min(rate_min, sample_rate);
 395                         rate_max = max(rate_max, sample_rate);
 396
 397                         switch (sample_rate) {
 398                         case 5512:
 399                                 rates |= SNDRV_PCM_RATE_5512;
 400                                 break;
 401                         case 8000:
 402                                 rates |= SNDRV_PCM_RATE_8000;
 403                                 break;
 404                         case 11025:
 405                                 rates |= SNDRV_PCM_RATE_11025;
 406                                 break;
 407                         case 16000:
 408                                 rates |= SNDRV_PCM_RATE_16000;
 409                                 break;
 410                         case 22050:
 411                                 rates |= SNDRV_PCM_RATE_22050;
 412                                 break;
 413                         case 32000:
 414                                 rates |= SNDRV_PCM_RATE_32000;
 415                                 break;
 416                         case 44100:
 417                                 rates |= SNDRV_PCM_RATE_44100;
 418                                 break;
 419                         case 48000:
 420                                 rates |= SNDRV_PCM_RATE_48000;
 421                                 break;
 422                         case 64000:
 423                                 rates |= SNDRV_PCM_RATE_64000;
 424                                 break;
 425                         case 88200:
 426                                 rates |= SNDRV_PCM_RATE_88200;
 427                                 break;
 428                         case 96000:
 429                                 rates |= SNDRV_PCM_RATE_96000;
 430                                 break;
 431                         case 176400:
 432                                 rates |= SNDRV_PCM_RATE_176400;
 433                                 break;
 434                         case 192000:
 435                                 rates |= SNDRV_PCM_RATE_192000;
 436                                 break;
 437                         default: /* some other rate */
 438                                 rates |= SNDRV_PCM_RATE_KNOT;
 439                         }
 440                 }
 441         }
 442
 443         /* printk(KERN_INFO "Supported rates %X %d %d\n",
 444            rates, rate_min, rate_max); */
 445         pcmhw->rates = rates;
 446         pcmhw->rate_min = rate_min;
 447         pcmhw->rate_max = rate_max;
 448 }
 449
 450 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
 451                                          struct snd_pcm_hw_params *params)
 452 {
 453         struct snd_pcm_runtime *runtime = substream->runtime;
 454         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 455         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 456         int err;
 457         u16 format;
 458         int width;
 459         unsigned int bytes_per_sec;
 460
 461         print_hwparams(params);
 462         err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
 463         if (err < 0)
 464                 return err;
 465         err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
 466         if (err)
 467                 return err;
 468
 469         VPRINTK1(KERN_INFO "format %d, %d chans, %d_hz\n",
 470                                 format, params_channels(params),
 471                                 params_rate(params));
 472
 473         hpi_handle_error(hpi_format_create(&dpcm->format,
 474                         params_channels(params),
 475                         format, params_rate(params), 0, 0));
 476
 477         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 478                 if (hpi_instream_reset(dpcm->h_stream) != 0)
 479                         return -EINVAL;
 480
 481                 if (hpi_instream_set_format(
 482                         dpcm->h_stream, &dpcm->format) != 0)
 483                         return -EINVAL;
 484         }
 485
 486         dpcm->hpi_buffer_attached = 0;
 487         if (card->support_mmap) {
 488
 489                 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
 490                         params_buffer_bytes(params),  runtime->dma_addr);
 491                 if (err == 0) {
 492                         VPRINTK1(KERN_INFO
 493                                 "stream_host_buffer_attach succeeded %u %lu\n",
 494                                 params_buffer_bytes(params),
 495                                 (unsigned long)runtime->dma_addr);
 496                 } else {
 497                         snd_printd(KERN_INFO
 498                                         "stream_host_buffer_attach error %d\n",
 499                                         err);
 500                         return -ENOMEM;
 501                 }
 502
 503                 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
 504                                                 &dpcm->hpi_buffer_attached,
 505                                                 NULL, NULL, NULL);
 506
 507                 VPRINTK1(KERN_INFO "stream_host_buffer_attach status 0x%x\n",
 508                                 dpcm->hpi_buffer_attached);
 509         }
 510         bytes_per_sec = params_rate(params) * params_channels(params);
 511         width = snd_pcm_format_width(params_format(params));
 512         bytes_per_sec *= width;
 513         bytes_per_sec /= 8;
 514         if (width < 0 || bytes_per_sec == 0)
 515                 return -EINVAL;
 516
 517         dpcm->bytes_per_sec = bytes_per_sec;
 518         dpcm->buffer_bytes = params_buffer_bytes(params);
 519         dpcm->period_bytes = params_period_bytes(params);
 520         VPRINTK1(KERN_INFO "buffer_bytes=%d, period_bytes=%d, bps=%d\n",
 521                         dpcm->buffer_bytes, dpcm->period_bytes, bytes_per_sec);
 522
 523         return 0;
 524 }
 525
 526 static int
 527 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
 528 {
 529         struct snd_pcm_runtime *runtime = substream->runtime;
 530         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 531         if (dpcm->hpi_buffer_attached)
 532                 hpi_stream_host_buffer_detach(dpcm->h_stream);
 533
 534         snd_pcm_lib_free_pages(substream);
 535         return 0;
 536 }
 537
 538 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime)
 539 {
 540         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 541         kfree(dpcm);
 542 }
 543
 544 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
 545                                             substream)
 546 {
 547         struct snd_pcm_runtime *runtime = substream->runtime;
 548         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 549         int expiry;
 550
 551         expiry = HZ / 200;
 552         /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */
 553         expiry = max(expiry, 1); /* don't let it be zero! */
 554         dpcm->timer.expires = jiffies + expiry;
 555         dpcm->respawn_timer = 1;
 556         add_timer(&dpcm->timer);
 557 }
 558
 559 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
 560 {
 561         struct snd_pcm_runtime *runtime = substream->runtime;
 562         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 563
 564         dpcm->respawn_timer = 0;
 565         del_timer(&dpcm->timer);
 566 }
 567
 568 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 569                                            int cmd)
 570 {
 571         struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
 572         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 573         struct snd_pcm_substream *s;
 574         u16 e;
 575
 576         VPRINTK1(KERN_INFO "%c%d trigger\n",
 577                         SCHR(substream->stream), substream->number);
 578         switch (cmd) {
 579         case SNDRV_PCM_TRIGGER_START:
 580                 snd_pcm_group_for_each_entry(s, substream) {
 581                         struct snd_pcm_runtime *runtime = s->runtime;
 582                         struct snd_card_asihpi_pcm *ds = runtime->private_data;
 583
 584                         if (snd_pcm_substream_chip(s) != card)
 585                                 continue;
 586
 587                         /* don't link Cap and Play */
 588                         if (substream->stream != s->stream)
 589                                 continue;
 590
 591                         if ((s->stream == SNDRV_PCM_STREAM_PLAYBACK) &&
 592                                 (card->support_mmap)) {
 593                                 /* How do I know how much valid data is present
 594                                 * in buffer? Must be at least one period!
 595                                 * Guessing 2 periods, but if
 596                                 * buffer is bigger it may contain even more
 597                                 * data??
 598                                 */
 599                                 unsigned int preload = ds->period_bytes * 1;
 600                                 VPRINTK2(KERN_INFO "%d preload x%x\n", s->number, preload);
 601                                 hpi_handle_error(hpi_outstream_write_buf(
 602                                                 ds->h_stream,
 603                                                 &runtime->dma_area[0],
 604                                                 preload,
 605                                                 &ds->format));
 606                                 ds->pcm_buf_host_rw_ofs = preload;
 607                         }
 608
 609                         if (card->support_grouping) {
 610                                 VPRINTK1(KERN_INFO "\t%c%d group\n",
 611                                                 SCHR(s->stream),
 612                                                 s->number);
 613                                 e = hpi_stream_group_add(
 614                                         dpcm->h_stream,
 615                                         ds->h_stream);
 616                                 if (!e) {
 617                                         snd_pcm_trigger_done(s, substream);
 618                                 } else {
 619                                         hpi_handle_error(e);
 620                                         break;
 621                                 }
 622                         } else
 623                                 break;
 624                 }
 625                 VPRINTK1(KERN_INFO "start\n");
 626                 /* start the master stream */
 627                 snd_card_asihpi_pcm_timer_start(substream);
 628                 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
 629                         !card->support_mmap)
 630                         hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 631                 break;
 632
 633         case SNDRV_PCM_TRIGGER_STOP:
 634                 snd_card_asihpi_pcm_timer_stop(substream);
 635                 snd_pcm_group_for_each_entry(s, substream) {
 636                         if (snd_pcm_substream_chip(s) != card)
 637                                 continue;
 638                         /* don't link Cap and Play */
 639                         if (substream->stream != s->stream)
 640                                 continue;
 641
 642                         /*? workaround linked streams don't
 643                         transition to SETUP 20070706*/
 644                         s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
 645
 646                         if (card->support_grouping) {
 647                                 VPRINTK1(KERN_INFO "\t%c%d group\n",
 648                                 SCHR(s->stream),
 649                                         s->number);
 650                                 snd_pcm_trigger_done(s, substream);
 651                         } else
 652                                 break;
 653                 }
 654                 VPRINTK1(KERN_INFO "stop\n");
 655
 656                 /* _prepare and _hwparams reset the stream */
 657                 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 658                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 659                         hpi_handle_error(
 660                                 hpi_outstream_reset(dpcm->h_stream));
 661
 662                 if (card->support_grouping)
 663                         hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
 664                 break;
 665
 666         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 667                 VPRINTK1(KERN_INFO "pause release\n");
 668                 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 669                 snd_card_asihpi_pcm_timer_start(substream);
 670                 break;
 671         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 672                 VPRINTK1(KERN_INFO "pause\n");
 673                 snd_card_asihpi_pcm_timer_stop(substream);
 674                 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 675                 break;
 676         default:
 677                 snd_printd(KERN_ERR "\tINVALID\n");
 678                 return -EINVAL;
 679         }
 680
 681         return 0;
 682 }
 683
 684 /*algorithm outline
 685  Without linking degenerates to getting single stream pos etc
 686  Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
 687 */
 688 /*
 689 pcm_buf_dma_ofs=get_buf_pos(s);
 690 for_each_linked_stream(s) {
 691         pcm_buf_dma_ofs=get_buf_pos(s);
 692         min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
 693         new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
 694 }
 695 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
 696 for_each_linked_stream(s) {
 697         s->pcm_buf_dma_ofs = min_buf_pos;
 698         if (new_data > period_bytes) {
 699                 if (mmap) {
 700                         irq_pos = (irq_pos + period_bytes) % buffer_bytes;
 701                         if (playback) {
 702                                 write(period_bytes);
 703                         } else {
 704                                 read(period_bytes);
 705                         }
 706                 }
 707                 snd_pcm_period_elapsed(s);
 708         }
 709 }
 710 */
 711
 712 /** Minimum of 2 modulo values.  Works correctly when the difference between
 713 * the values is less than half the modulus
 714 */
 715 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
 716                                         unsigned long int modulus)
 717 {
 718         unsigned int result;
 719         if (((a-b) % modulus) < (modulus/2))
 720                 result = b;
 721         else
 722                 result = a;
 723
 724         return result;
 725 }
 726
 727 /** Timer function, equivalent to interrupt service routine for cards
 728 */
 729 static void snd_card_asihpi_timer_function(unsigned long data)
 730 {
 731         struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
 732         struct snd_pcm_substream *substream = dpcm->substream;
 733         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 734         struct snd_pcm_runtime *runtime;
 735         struct snd_pcm_substream *s;
 736         unsigned int newdata = 0;
 737         unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
 738         unsigned int remdata, xfercount, next_jiffies;
 739         int first = 1;
 740         int loops = 0;
 741         u16 state;
 742         u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
 743
 744         VPRINTK1(KERN_INFO "%c%d snd_card_asihpi_timer_function\n",
 745                                 SCHR(substream->stream), substream->number);
 746
 747         /* find minimum newdata and buffer pos in group */
 748         snd_pcm_group_for_each_entry(s, substream) {
 749                 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 750                 runtime = s->runtime;
 751
 752                 if (snd_pcm_substream_chip(s) != card)
 753                         continue;
 754
 755                 /* don't link Cap and Play */
 756                 if (substream->stream != s->stream)
 757                         continue;
 758
 759                 hpi_handle_error(hpi_stream_get_info_ex(
 760                                         ds->h_stream, &state,
 761                                         &buffer_size, &bytes_avail,
 762                                         &samples_played, &on_card_bytes));
 763
 764                 /* number of bytes in on-card buffer */
 765                 runtime->delay = on_card_bytes;
 766
 767                 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 768                         pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
 769                         if (state == HPI_STATE_STOPPED) {
 770                                 if ((bytes_avail == 0) &&
 771                                     (on_card_bytes < ds->pcm_buf_host_rw_ofs)) {
 772                                         hpi_handle_error(hpi_stream_start(ds->h_stream));
 773                                         VPRINTK1(KERN_INFO "P%d start\n", s->number);
 774                                 }
 775                         } else if (state == HPI_STATE_DRAINED) {
 776                                 VPRINTK1(KERN_WARNING "P%d drained\n",
 777                                                 s->number);
 778                                 /*snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
 779                                 continue; */
 780                         }
 781                 } else
 782                         pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
 783
 784                 if (first) {
 785                         /* can't statically init min when wrap is involved */
 786                         min_buf_pos = pcm_buf_dma_ofs;
 787                         newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
 788                         first = 0;
 789                 } else {
 790                         min_buf_pos =
 791                                 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
 792                         newdata = min(
 793                                 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
 794                                 newdata);
 795                 }
 796
 797                 VPRINTK1(KERN_INFO "PB timer hw_ptr x%04lX, appl_ptr x%04lX\n",
 798                         (unsigned long)frames_to_bytes(runtime,
 799                                                 runtime->status->hw_ptr),
 800                         (unsigned long)frames_to_bytes(runtime,
 801                                                 runtime->control->appl_ptr));
 802
 803                 VPRINTK1(KERN_INFO "%d %c%d S=%d, rw=%04X, dma=x%04X, left=x%04X,"
 804                         " aux=x%04X space=x%04X\n",
 805                         loops, SCHR(s->stream), s->number,
 806                         state,  ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs, (int)bytes_avail,
 807                         (int)on_card_bytes, buffer_size-bytes_avail);
 808                 loops++;
 809         }
 810         pcm_buf_dma_ofs = min_buf_pos;
 811
 812         remdata = newdata % dpcm->period_bytes;
 813         xfercount = newdata - remdata; /* a multiple of period_bytes */
 814         /* come back when on_card_bytes has decreased enough to allow
 815            write to happen, or when data has been consumed to make another
 816            period
 817         */
 818         if (xfercount && (on_card_bytes  > dpcm->period_bytes))
 819                 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
 820         else
 821                 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
 822
 823         next_jiffies = max(next_jiffies, 1U);
 824         dpcm->timer.expires = jiffies + next_jiffies;
 825         VPRINTK1(KERN_INFO "jif %d buf pos x%04X newdata x%04X xfer x%04X\n",
 826                         next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
 827
 828         snd_pcm_group_for_each_entry(s, substream) {
 829                 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 830
 831                 /* don't link Cap and Play */
 832                 if (substream->stream != s->stream)
 833                         continue;
 834
 835                 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
 836
 837                 if (xfercount && (on_card_bytes <= ds->period_bytes)) {
 838                         if (card->support_mmap) {
 839                                 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 840                                         VPRINTK2(KERN_INFO "P%d write x%04x\n",
 841                                                         s->number,
 842                                                         ds->period_bytes);
 843                                         hpi_handle_error(
 844                                                 hpi_outstream_write_buf(
 845                                                         ds->h_stream,
 846                                                         &s->runtime->
 847                                                                 dma_area[0],
 848                                                         xfercount,
 849                                                         &ds->format));
 850                                 } else {
 851                                         VPRINTK2(KERN_INFO "C%d read x%04x\n",
 852                                                 s->number,
 853                                                 xfercount);
 854                                         hpi_handle_error(
 855                                                 hpi_instream_read_buf(
 856                                                         ds->h_stream,
 857                                                         NULL, xfercount));
 858                                 }
 859                                 ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount;
 860                         } /* else R/W will be handled by read/write callbacks */
 861                         ds->pcm_buf_elapsed_dma_ofs = pcm_buf_dma_ofs;
 862                         snd_pcm_period_elapsed(s);
 863                 }
 864         }
 865
 866         if (dpcm->respawn_timer)
 867                 add_timer(&dpcm->timer);
 868 }
 869
 870 /***************************** PLAYBACK OPS ****************/
 871 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
 872                                           unsigned int cmd, void *arg)
 873 {
 874         /* snd_printd(KERN_INFO "Playback ioctl %d\n", cmd); */
 875         return snd_pcm_lib_ioctl(substream, cmd, arg);
 876 }
 877
 878 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
 879                                             substream)
 880 {
 881         struct snd_pcm_runtime *runtime = substream->runtime;
 882         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 883
 884         VPRINTK1(KERN_INFO "playback prepare %d\n", substream->number);
 885
 886         hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
 887         dpcm->pcm_buf_host_rw_ofs = 0;
 888         dpcm->pcm_buf_dma_ofs = 0;
 889         dpcm->pcm_buf_elapsed_dma_ofs = 0;
 890         return 0;
 891 }
 892
 893 static snd_pcm_uframes_t
 894 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
 895 {
 896         struct snd_pcm_runtime *runtime = substream->runtime;
 897         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 898         snd_pcm_uframes_t ptr;
 899
 900         ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs  % dpcm->buffer_bytes);
 901         /* VPRINTK2(KERN_INFO "playback_pointer=x%04lx\n", (unsigned long)ptr); */
 902         return ptr;
 903 }
 904
 905 static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi,
 906                                                 u32 h_stream,
 907                                                 struct snd_pcm_hardware *pcmhw)
 908 {
 909         struct hpi_format hpi_format;
 910         u16 format;
 911         u16 err;
 912         u32 h_control;
 913         u32 sample_rate = 48000;
 914
 915         /* on cards without SRC, must query at valid rate,
 916         * maybe set by external sync
 917         */
 918         err = hpi_mixer_get_control(asihpi->h_mixer,
 919                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 920                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
 921
 922         if (!err)
 923                 err = hpi_sample_clock_get_sample_rate(h_control,
 924                                 &sample_rate);
 925
 926         for (format = HPI_FORMAT_PCM8_UNSIGNED;
 927              format <= HPI_FORMAT_PCM24_SIGNED; format++) {
 928                 err = hpi_format_create(&hpi_format,
 929                                         2, format, sample_rate, 128000, 0);
 930                 if (!err)
 931                         err = hpi_outstream_query_format(h_stream,
 932                                                         &hpi_format);
 933                 if (!err && (hpi_to_alsa_formats[format] != -1))
 934                         pcmhw->formats |=
 935                                 (1ULL << hpi_to_alsa_formats[format]);
 936         }
 937 }
 938
 939 static struct snd_pcm_hardware snd_card_asihpi_playback = {
 940         .channels_min = 1,
 941         .channels_max = 2,
 942         .buffer_bytes_max = BUFFER_BYTES_MAX,
 943         .period_bytes_min = PERIOD_BYTES_MIN,
 944         .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
 945         .periods_min = PERIODS_MIN,
 946         .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
 947         .fifo_size = 0,
 948 };
 949
 950 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
 951 {
 952         struct snd_pcm_runtime *runtime = substream->runtime;
 953         struct snd_card_asihpi_pcm *dpcm;
 954         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 955         int err;
 956
 957         dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
 958         if (dpcm == NULL)
 959                 return -ENOMEM;
 960
 961         err =
 962             hpi_outstream_open(card->adapter_index,
 963                               substream->number, &dpcm->h_stream);
 964         hpi_handle_error(err);
 965         if (err)
 966                 kfree(dpcm);
 967         if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
 968                 return -EBUSY;
 969         if (err)
 970                 return -EIO;
 971
 972         /*? also check ASI5000 samplerate source
 973             If external, only support external rate.
 974             If internal and other stream playing, cant switch
 975         */
 976
 977         init_timer(&dpcm->timer);
 978         dpcm->timer.data = (unsigned long) dpcm;
 979         dpcm->timer.function = snd_card_asihpi_timer_function;
 980         dpcm->substream = substream;
 981         runtime->private_data = dpcm;
 982         runtime->private_free = snd_card_asihpi_runtime_free;
 983
 984         snd_card_asihpi_playback.channels_max = card->out_max_chans;
 985         /*?snd_card_asihpi_playback.period_bytes_min =
 986         card->out_max_chans * 4096; */
 987
 988         snd_card_asihpi_playback_format(card, dpcm->h_stream,
 989                                         &snd_card_asihpi_playback);
 990
 991         snd_card_asihpi_pcm_samplerates(card,  &snd_card_asihpi_playback);
 992
 993         snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
 994                                         SNDRV_PCM_INFO_DOUBLE |
 995                                         SNDRV_PCM_INFO_BATCH |
 996                                         SNDRV_PCM_INFO_BLOCK_TRANSFER |
 997                                         SNDRV_PCM_INFO_PAUSE;
 998
 999         if (card->support_mmap)
1000                 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_MMAP |
1001                                                 SNDRV_PCM_INFO_MMAP_VALID;
1002
1003         if (card->support_grouping)
1004                 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1005
1006         /* struct is copied, so can create initializer dynamically */
1007         runtime->hw = snd_card_asihpi_playback;
1008
1009         if (card->support_mmap)
1010                 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1011                                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1012         if (err < 0)
1013                 return err;
1014
1015         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1016                 card->update_interval_frames);
1017         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1018                 card->update_interval_frames * 2, UINT_MAX);
1019
1020         snd_pcm_set_sync(substream);
1021
1022         VPRINTK1(KERN_INFO "playback open\n");
1023
1024         return 0;
1025 }
1026
1027 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1028 {
1029         struct snd_pcm_runtime *runtime = substream->runtime;
1030         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1031
1032         hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1033         VPRINTK1(KERN_INFO "playback close\n");
1034
1035         return 0;
1036 }
1037
1038 static int snd_card_asihpi_playback_copy(struct snd_pcm_substream *substream,
1039                                         int channel,
1040                                         snd_pcm_uframes_t pos,
1041                                         void __user *src,
1042                                         snd_pcm_uframes_t count)
1043 {
1044         struct snd_pcm_runtime *runtime = substream->runtime;
1045         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1046         unsigned int len;
1047
1048         len = frames_to_bytes(runtime, count);
1049
1050         if (copy_from_user(runtime->dma_area, src, len))
1051                 return -EFAULT;
1052
1053         VPRINTK2(KERN_DEBUG "playback copy%d %u bytes\n",
1054                         substream->number, len);
1055
1056         hpi_handle_error(hpi_outstream_write_buf(dpcm->h_stream,
1057                                 runtime->dma_area, len, &dpcm->format));
1058
1059         dpcm->pcm_buf_host_rw_ofs = dpcm->pcm_buf_host_rw_ofs + len;
1060
1061         return 0;
1062 }
1063
1064 static int snd_card_asihpi_playback_silence(struct snd_pcm_substream *
1065                                             substream, int channel,
1066                                             snd_pcm_uframes_t pos,
1067                                             snd_pcm_uframes_t count)
1068 {
1069         unsigned int len;
1070         struct snd_pcm_runtime *runtime = substream->runtime;
1071         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1072
1073         len = frames_to_bytes(runtime, count);
1074         VPRINTK1(KERN_INFO "playback silence  %u bytes\n", len);
1075
1076         memset(runtime->dma_area, 0, len);
1077         hpi_handle_error(hpi_outstream_write_buf(dpcm->h_stream,
1078                                 runtime->dma_area, len, &dpcm->format));
1079         return 0;
1080 }
1081
1082 static struct snd_pcm_ops snd_card_asihpi_playback_ops = {
1083         .open = snd_card_asihpi_playback_open,
1084         .close = snd_card_asihpi_playback_close,
1085         .ioctl = snd_card_asihpi_playback_ioctl,
1086         .hw_params = snd_card_asihpi_pcm_hw_params,
1087         .hw_free = snd_card_asihpi_hw_free,
1088         .prepare = snd_card_asihpi_playback_prepare,
1089         .trigger = snd_card_asihpi_trigger,
1090         .pointer = snd_card_asihpi_playback_pointer,
1091         .copy = snd_card_asihpi_playback_copy,
1092         .silence = snd_card_asihpi_playback_silence,
1093 };
1094
1095 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1096         .open = snd_card_asihpi_playback_open,
1097         .close = snd_card_asihpi_playback_close,
1098         .ioctl = snd_card_asihpi_playback_ioctl,
1099         .hw_params = snd_card_asihpi_pcm_hw_params,
1100         .hw_free = snd_card_asihpi_hw_free,
1101         .prepare = snd_card_asihpi_playback_prepare,
1102         .trigger = snd_card_asihpi_trigger,
1103         .pointer = snd_card_asihpi_playback_pointer,
1104 };
1105
1106 /***************************** CAPTURE OPS ****************/
1107 static snd_pcm_uframes_t
1108 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1109 {
1110         struct snd_pcm_runtime *runtime = substream->runtime;
1111         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1112
1113         VPRINTK2(KERN_INFO "capture pointer %d=%d\n",
1114                         substream->number, dpcm->pcm_buf_dma_ofs);
1115         /* NOTE Unlike playback can't use actual samples_played
1116                 for the capture position, because those samples aren't yet in
1117                 the local buffer available for reading.
1118         */
1119         return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1120 }
1121
1122 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1123                                          unsigned int cmd, void *arg)
1124 {
1125         return snd_pcm_lib_ioctl(substream, cmd, arg);
1126 }
1127
1128 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1129 {
1130         struct snd_pcm_runtime *runtime = substream->runtime;
1131         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1132
1133         hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1134         dpcm->pcm_buf_host_rw_ofs = 0;
1135         dpcm->pcm_buf_dma_ofs = 0;
1136         dpcm->pcm_buf_elapsed_dma_ofs = 0;
1137
1138         VPRINTK1("Capture Prepare %d\n", substream->number);
1139         return 0;
1140 }
1141
1142
1143
1144 static void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi,
1145                                         u32 h_stream,
1146                                          struct snd_pcm_hardware *pcmhw)
1147 {
1148   struct hpi_format hpi_format;
1149         u16 format;
1150         u16 err;
1151         u32 h_control;
1152         u32 sample_rate = 48000;
1153
1154         /* on cards without SRC, must query at valid rate,
1155                 maybe set by external sync */
1156         err = hpi_mixer_get_control(asihpi->h_mixer,
1157                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1158                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
1159
1160         if (!err)
1161                 err = hpi_sample_clock_get_sample_rate(h_control,
1162                         &sample_rate);
1163
1164         for (format = HPI_FORMAT_PCM8_UNSIGNED;
1165                 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1166
1167                 err = hpi_format_create(&hpi_format, 2, format,
1168                                 sample_rate, 128000, 0);
1169                 if (!err)
1170                         err = hpi_instream_query_format(h_stream,
1171                                             &hpi_format);
1172                 if (!err)
1173                         pcmhw->formats |=
1174                                 (1ULL << hpi_to_alsa_formats[format]);
1175         }
1176 }
1177
1178
1179 static struct snd_pcm_hardware snd_card_asihpi_capture = {
1180         .channels_min = 1,
1181         .channels_max = 2,
1182         .buffer_bytes_max = BUFFER_BYTES_MAX,
1183         .period_bytes_min = PERIOD_BYTES_MIN,
1184         .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
1185         .periods_min = PERIODS_MIN,
1186         .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
1187         .fifo_size = 0,
1188 };
1189
1190 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1191 {
1192         struct snd_pcm_runtime *runtime = substream->runtime;
1193         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1194         struct snd_card_asihpi_pcm *dpcm;
1195         int err;
1196
1197         dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1198         if (dpcm == NULL)
1199                 return -ENOMEM;
1200
1201         VPRINTK1("hpi_instream_open adapter %d stream %d\n",
1202                    card->adapter_index, substream->number);
1203
1204         err = hpi_handle_error(
1205             hpi_instream_open(card->adapter_index,
1206                              substream->number, &dpcm->h_stream));
1207         if (err)
1208                 kfree(dpcm);
1209         if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1210                 return -EBUSY;
1211         if (err)
1212                 return -EIO;
1213
1214
1215         init_timer(&dpcm->timer);
1216         dpcm->timer.data = (unsigned long) dpcm;
1217         dpcm->timer.function = snd_card_asihpi_timer_function;
1218         dpcm->substream = substream;
1219         runtime->private_data = dpcm;
1220         runtime->private_free = snd_card_asihpi_runtime_free;
1221
1222         snd_card_asihpi_capture.channels_max = card->in_max_chans;
1223         snd_card_asihpi_capture_format(card, dpcm->h_stream,
1224                                        &snd_card_asihpi_capture);
1225         snd_card_asihpi_pcm_samplerates(card,  &snd_card_asihpi_capture);
1226         snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED;
1227
1228         if (card->support_mmap)
1229                 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_MMAP |
1230                                                 SNDRV_PCM_INFO_MMAP_VALID;
1231
1232         if (card->support_grouping)
1233                 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1234
1235         runtime->hw = snd_card_asihpi_capture;
1236
1237         if (card->support_mmap)
1238                 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1239                                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1240         if (err < 0)
1241                 return err;
1242
1243         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1244                 card->update_interval_frames);
1245         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1246                 card->update_interval_frames * 2, UINT_MAX);
1247
1248         snd_pcm_set_sync(substream);
1249
1250         return 0;
1251 }
1252
1253 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1254 {
1255         struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1256
1257         hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1258         return 0;
1259 }
1260
1261 static int snd_card_asihpi_capture_copy(struct snd_pcm_substream *substream,
1262                                 int channel, snd_pcm_uframes_t pos,
1263                                 void __user *dst, snd_pcm_uframes_t count)
1264 {
1265         struct snd_pcm_runtime *runtime = substream->runtime;
1266         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1267         u32 len;
1268
1269         len = frames_to_bytes(runtime, count);
1270
1271         VPRINTK2(KERN_INFO "capture copy%d %d bytes\n", substream->number, len);
1272         hpi_handle_error(hpi_instream_read_buf(dpcm->h_stream,
1273                                 runtime->dma_area, len));
1274
1275         dpcm->pcm_buf_host_rw_ofs = dpcm->pcm_buf_host_rw_ofs + len;
1276
1277         if (copy_to_user(dst, runtime->dma_area, len))
1278                 return -EFAULT;
1279
1280         return 0;
1281 }
1282
1283 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1284         .open = snd_card_asihpi_capture_open,
1285         .close = snd_card_asihpi_capture_close,
1286         .ioctl = snd_card_asihpi_capture_ioctl,
1287         .hw_params = snd_card_asihpi_pcm_hw_params,
1288         .hw_free = snd_card_asihpi_hw_free,
1289         .prepare = snd_card_asihpi_capture_prepare,
1290         .trigger = snd_card_asihpi_trigger,
1291         .pointer = snd_card_asihpi_capture_pointer,
1292 };
1293
1294 static struct snd_pcm_ops snd_card_asihpi_capture_ops = {
1295         .open = snd_card_asihpi_capture_open,
1296         .close = snd_card_asihpi_capture_close,
1297         .ioctl = snd_card_asihpi_capture_ioctl,
1298         .hw_params = snd_card_asihpi_pcm_hw_params,
1299         .hw_free = snd_card_asihpi_hw_free,
1300         .prepare = snd_card_asihpi_capture_prepare,
1301         .trigger = snd_card_asihpi_trigger,
1302         .pointer = snd_card_asihpi_capture_pointer,
1303         .copy = snd_card_asihpi_capture_copy
1304 };
1305
1306 static int __devinit snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi,
1307                                       int device, int substreams)
1308 {
1309         struct snd_pcm *pcm;
1310         int err;
1311
1312         err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1313                          asihpi->num_outstreams, asihpi->num_instreams,
1314                          &pcm);
1315         if (err < 0)
1316                 return err;
1317         /* pointer to ops struct is stored, dont change ops afterwards! */
1318         if (asihpi->support_mmap) {
1319                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1320                                 &snd_card_asihpi_playback_mmap_ops);
1321                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1322                                 &snd_card_asihpi_capture_mmap_ops);
1323         } else {
1324                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1325                                 &snd_card_asihpi_playback_ops);
1326                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1327                                 &snd_card_asihpi_capture_ops);
1328         }
1329
1330         pcm->private_data = asihpi;
1331         pcm->info_flags = 0;
1332         strcpy(pcm->name, "Asihpi PCM");
1333
1334         /*? do we want to emulate MMAP for non-BBM cards?
1335         Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1336         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1337                                                 snd_dma_pci_data(asihpi->pci),
1338                                                 64*1024, BUFFER_BYTES_MAX);
1339
1340         return 0;
1341 }
1342
1343 /***************************** MIXER CONTROLS ****************/
1344 struct hpi_control {
1345         u32 h_control;
1346         u16 control_type;
1347         u16 src_node_type;
1348         u16 src_node_index;
1349         u16 dst_node_type;
1350         u16 dst_node_index;
1351         u16 band;
1352         char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
1353 };
1354
1355 static const char * const asihpi_tuner_band_names[] = {
1356         "invalid",
1357         "AM",
1358         "FM mono",
1359         "TV NTSC-M",
1360         "FM stereo",
1361         "AUX",
1362         "TV PAL BG",
1363         "TV PAL I",
1364         "TV PAL DK",
1365         "TV SECAM",
1366 };
1367
1368 compile_time_assert(
1369         (ARRAY_SIZE(asihpi_tuner_band_names) ==
1370                 (HPI_TUNER_BAND_LAST+1)),
1371         assert_tuner_band_names_size);
1372
1373 static const char * const asihpi_src_names[] = {
1374         "no source",
1375         "PCM",
1376         "Line",
1377         "Digital",
1378         "Tuner",
1379         "RF",
1380         "Clock",
1381         "Bitstream",
1382         "Microphone",
1383         "Cobranet",
1384         "Analog",
1385         "Adapter",
1386 };
1387
1388 compile_time_assert(
1389         (ARRAY_SIZE(asihpi_src_names) ==
1390                 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1391         assert_src_names_size);
1392
1393 static const char * const asihpi_dst_names[] = {
1394         "no destination",
1395         "PCM",
1396         "Line",
1397         "Digital",
1398         "RF",
1399         "Speaker",
1400         "Cobranet Out",
1401         "Analog"
1402 };
1403
1404 compile_time_assert(
1405         (ARRAY_SIZE(asihpi_dst_names) ==
1406                 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1407         assert_dst_names_size);
1408
1409 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1410                                 struct snd_card_asihpi *asihpi)
1411 {
1412         int err;
1413
1414         err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1415         if (err < 0)
1416                 return err;
1417         else if (mixer_dump)
1418                 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index);
1419
1420         return 0;
1421 }
1422
1423 /* Convert HPI control name and location into ALSA control name */
1424 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1425                                 struct hpi_control *hpi_ctl,
1426                                 char *name)
1427 {
1428         char *dir = "";
1429         memset(snd_control, 0, sizeof(*snd_control));
1430         snd_control->name = hpi_ctl->name;
1431         snd_control->private_value = hpi_ctl->h_control;
1432         snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1433         snd_control->index = 0;
1434
1435         if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1436                 dir = "Capture ";  /* On or towards a PCM capture destination*/
1437         else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1438                 (!hpi_ctl->dst_node_type))
1439                 dir = "Capture "; /* On a source node that is not PCM playback */
1440         else if (hpi_ctl->src_node_type &&
1441                 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1442                 (hpi_ctl->dst_node_type))
1443                 dir = "Monitor Playback "; /* Between an input and an output */
1444         else
1445                 dir = "Playback "; /* PCM Playback source, or  output node */
1446
1447         if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1448                 sprintf(hpi_ctl->name, "%s%d %s%d %s%s",
1449                         asihpi_src_names[hpi_ctl->src_node_type],
1450                         hpi_ctl->src_node_index,
1451                         asihpi_dst_names[hpi_ctl->dst_node_type],
1452                         hpi_ctl->dst_node_index,
1453                         dir, name);
1454         else if (hpi_ctl->dst_node_type) {
1455                 sprintf(hpi_ctl->name, "%s %d %s%s",
1456                 asihpi_dst_names[hpi_ctl->dst_node_type],
1457                 hpi_ctl->dst_node_index,
1458                 dir, name);
1459         } else {
1460                 sprintf(hpi_ctl->name, "%s %d %s%s",
1461                 asihpi_src_names[hpi_ctl->src_node_type],
1462                 hpi_ctl->src_node_index,
1463                 dir, name);
1464         }
1465         /* printk(KERN_INFO "Adding %s %d to %d ",  hpi_ctl->name,
1466                 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1467 }
1468
1469 /*------------------------------------------------------------
1470    Volume controls
1471  ------------------------------------------------------------*/
1472 #define VOL_STEP_mB 1
1473 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1474                                   struct snd_ctl_elem_info *uinfo)
1475 {
1476         u32 h_control = kcontrol->private_value;
1477         u16 err;
1478         /* native gains are in millibels */
1479         short min_gain_mB;
1480         short max_gain_mB;
1481         short step_gain_mB;
1482
1483         err = hpi_volume_query_range(h_control,
1484                         &min_gain_mB, &max_gain_mB, &step_gain_mB);
1485         if (err) {
1486                 max_gain_mB = 0;
1487                 min_gain_mB = -10000;
1488                 step_gain_mB = VOL_STEP_mB;
1489         }
1490
1491         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1492         uinfo->count = 2;
1493         uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1494         uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1495         uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1496         return 0;
1497 }
1498
1499 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1500                                  struct snd_ctl_elem_value *ucontrol)
1501 {
1502         u32 h_control = kcontrol->private_value;
1503         short an_gain_mB[HPI_MAX_CHANNELS];
1504
1505         hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1506         ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1507         ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1508
1509         return 0;
1510 }
1511
1512 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1513                                  struct snd_ctl_elem_value *ucontrol)
1514 {
1515         int change;
1516         u32 h_control = kcontrol->private_value;
1517         short an_gain_mB[HPI_MAX_CHANNELS];
1518
1519         an_gain_mB[0] =
1520             (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1521         an_gain_mB[1] =
1522             (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1523         /*  change = asihpi->mixer_volume[addr][0] != left ||
1524            asihpi->mixer_volume[addr][1] != right;
1525          */
1526         change = 1;
1527         hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1528         return change;
1529 }
1530
1531 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1532
1533 static int __devinit snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1534                                         struct hpi_control *hpi_ctl)
1535 {
1536         struct snd_card *card = asihpi->card;
1537         struct snd_kcontrol_new snd_control;
1538
1539         asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1540         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1541                                 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1542         snd_control.info = snd_asihpi_volume_info;
1543         snd_control.get = snd_asihpi_volume_get;
1544         snd_control.put = snd_asihpi_volume_put;
1545         snd_control.tlv.p = db_scale_100;
1546
1547         return ctl_add(card, &snd_control, asihpi);
1548 }
1549
1550 /*------------------------------------------------------------
1551    Level controls
1552  ------------------------------------------------------------*/
1553 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1554                                  struct snd_ctl_elem_info *uinfo)
1555 {
1556         u32 h_control = kcontrol->private_value;
1557         u16 err;
1558         short min_gain_mB;
1559         short max_gain_mB;
1560         short step_gain_mB;
1561
1562         err =
1563             hpi_level_query_range(h_control, &min_gain_mB,
1564                                &max_gain_mB, &step_gain_mB);
1565         if (err) {
1566                 max_gain_mB = 2400;
1567                 min_gain_mB = -1000;
1568                 step_gain_mB = 100;
1569         }
1570
1571         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1572         uinfo->count = 2;
1573         uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1574         uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1575         uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1576         return 0;
1577 }
1578
1579 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1580                                 struct snd_ctl_elem_value *ucontrol)
1581 {
1582         u32 h_control = kcontrol->private_value;
1583         short an_gain_mB[HPI_MAX_CHANNELS];
1584
1585         hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1586         ucontrol->value.integer.value[0] =
1587             an_gain_mB[0] / HPI_UNITS_PER_dB;
1588         ucontrol->value.integer.value[1] =
1589             an_gain_mB[1] / HPI_UNITS_PER_dB;
1590
1591         return 0;
1592 }
1593
1594 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1595                                 struct snd_ctl_elem_value *ucontrol)
1596 {
1597         int change;
1598         u32 h_control = kcontrol->private_value;
1599         short an_gain_mB[HPI_MAX_CHANNELS];
1600
1601         an_gain_mB[0] =
1602             (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1603         an_gain_mB[1] =
1604             (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1605         /*  change = asihpi->mixer_level[addr][0] != left ||
1606            asihpi->mixer_level[addr][1] != right;
1607          */
1608         change = 1;
1609         hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1610         return change;
1611 }
1612
1613 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1614
1615 static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1616                                         struct hpi_control *hpi_ctl)
1617 {
1618         struct snd_card *card = asihpi->card;
1619         struct snd_kcontrol_new snd_control;
1620
1621         /* can't use 'volume' cos some nodes have volume as well */
1622         asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1623         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1624                                 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1625         snd_control.info = snd_asihpi_level_info;
1626         snd_control.get = snd_asihpi_level_get;
1627         snd_control.put = snd_asihpi_level_put;
1628         snd_control.tlv.p = db_scale_level;
1629
1630         return ctl_add(card, &snd_control, asihpi);
1631 }
1632
1633 /*------------------------------------------------------------
1634    AESEBU controls
1635  ------------------------------------------------------------*/
1636
1637 /* AESEBU format */
1638 static const char * const asihpi_aesebu_format_names[] = {
1639         "N/A", "S/PDIF", "AES/EBU" };
1640
1641 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1642                                   struct snd_ctl_elem_info *uinfo)
1643 {
1644         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1645         uinfo->count = 1;
1646         uinfo->value.enumerated.items = 3;
1647
1648         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1649                 uinfo->value.enumerated.item =
1650                         uinfo->value.enumerated.items - 1;
1651
1652         strcpy(uinfo->value.enumerated.name,
1653                 asihpi_aesebu_format_names[uinfo->value.enumerated.item]);
1654
1655         return 0;
1656 }
1657
1658 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1659                         struct snd_ctl_elem_value *ucontrol,
1660                         u16 (*func)(u32, u16 *))
1661 {
1662         u32 h_control = kcontrol->private_value;
1663         u16 source, err;
1664
1665         err = func(h_control, &source);
1666
1667         /* default to N/A */
1668         ucontrol->value.enumerated.item[0] = 0;
1669         /* return success but set the control to N/A */
1670         if (err)
1671                 return 0;
1672         if (source == HPI_AESEBU_FORMAT_SPDIF)
1673                 ucontrol->value.enumerated.item[0] = 1;
1674         if (source == HPI_AESEBU_FORMAT_AESEBU)
1675                 ucontrol->value.enumerated.item[0] = 2;
1676
1677         return 0;
1678 }
1679
1680 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1681                         struct snd_ctl_elem_value *ucontrol,
1682                          u16 (*func)(u32, u16))
1683 {
1684         u32 h_control = kcontrol->private_value;
1685
1686         /* default to S/PDIF */
1687         u16 source = HPI_AESEBU_FORMAT_SPDIF;
1688
1689         if (ucontrol->value.enumerated.item[0] == 1)
1690                 source = HPI_AESEBU_FORMAT_SPDIF;
1691         if (ucontrol->value.enumerated.item[0] == 2)
1692                 source = HPI_AESEBU_FORMAT_AESEBU;
1693
1694         if (func(h_control, source) != 0)
1695                 return -EINVAL;
1696
1697         return 1;
1698 }
1699
1700 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1701                                  struct snd_ctl_elem_value *ucontrol) {
1702         return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1703                                         hpi_aesebu_receiver_get_format);
1704 }
1705
1706 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1707                                  struct snd_ctl_elem_value *ucontrol) {
1708         return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1709                                         hpi_aesebu_receiver_set_format);
1710 }
1711
1712 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1713                                   struct snd_ctl_elem_info *uinfo)
1714 {
1715         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1716         uinfo->count = 1;
1717
1718         uinfo->value.integer.min = 0;
1719         uinfo->value.integer.max = 0X1F;
1720         uinfo->value.integer.step = 1;
1721
1722         return 0;
1723 }
1724
1725 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1726                                  struct snd_ctl_elem_value *ucontrol) {
1727
1728         u32 h_control = kcontrol->private_value;
1729         u16 status;
1730
1731         hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1732                                          h_control, &status));
1733         ucontrol->value.integer.value[0] = status;
1734         return 0;
1735 }
1736
1737 static int __devinit snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1738                                         struct hpi_control *hpi_ctl)
1739 {
1740         struct snd_card *card = asihpi->card;
1741         struct snd_kcontrol_new snd_control;
1742
1743         asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1744         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1745         snd_control.info = snd_asihpi_aesebu_format_info;
1746         snd_control.get = snd_asihpi_aesebu_rx_format_get;
1747         snd_control.put = snd_asihpi_aesebu_rx_format_put;
1748
1749
1750         if (ctl_add(card, &snd_control, asihpi) < 0)
1751                 return -EINVAL;
1752
1753         asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1754         snd_control.access =
1755             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1756         snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1757         snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1758
1759         return ctl_add(card, &snd_control, asihpi);
1760 }
1761
1762 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1763                                  struct snd_ctl_elem_value *ucontrol) {
1764         return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1765                                         hpi_aesebu_transmitter_get_format);
1766 }
1767
1768 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1769                                  struct snd_ctl_elem_value *ucontrol) {
1770         return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1771                                         hpi_aesebu_transmitter_set_format);
1772 }
1773
1774
1775 static int __devinit snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1776                                         struct hpi_control *hpi_ctl)
1777 {
1778         struct snd_card *card = asihpi->card;
1779         struct snd_kcontrol_new snd_control;
1780
1781         asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1782         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1783         snd_control.info = snd_asihpi_aesebu_format_info;
1784         snd_control.get = snd_asihpi_aesebu_tx_format_get;
1785         snd_control.put = snd_asihpi_aesebu_tx_format_put;
1786
1787         return ctl_add(card, &snd_control, asihpi);
1788 }
1789
1790 /*------------------------------------------------------------
1791    Tuner controls
1792  ------------------------------------------------------------*/
1793
1794 /* Gain */
1795
1796 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1797                                   struct snd_ctl_elem_info *uinfo)
1798 {
1799         u32 h_control = kcontrol->private_value;
1800         u16 err;
1801         short idx;
1802         u16 gain_range[3];
1803
1804         for (idx = 0; idx < 3; idx++) {
1805                 err = hpi_tuner_query_gain(h_control,
1806                                           idx, &gain_range[idx]);
1807                 if (err != 0)
1808                         return err;
1809         }
1810
1811         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1812         uinfo->count = 1;
1813         uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1814         uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1815         uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1816         return 0;
1817 }
1818
1819 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1820                                  struct snd_ctl_elem_value *ucontrol)
1821 {
1822         /*
1823         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1824         */
1825         u32 h_control = kcontrol->private_value;
1826         short gain;
1827
1828         hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1829         ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1830
1831         return 0;
1832 }
1833
1834 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1835                                  struct snd_ctl_elem_value *ucontrol)
1836 {
1837         /*
1838         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1839         */
1840         u32 h_control = kcontrol->private_value;
1841         short gain;
1842
1843         gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1844         hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1845
1846         return 1;
1847 }
1848
1849 /* Band  */
1850
1851 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1852                                         u16 *band_list, u32 len) {
1853         u32 h_control = kcontrol->private_value;
1854         u16 err = 0;
1855         u32 i;
1856
1857         for (i = 0; i < len; i++) {
1858                 err = hpi_tuner_query_band(
1859                                 h_control, i, &band_list[i]);
1860                 if (err != 0)
1861                         break;
1862         }
1863
1864         if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1865                 return -EIO;
1866
1867         return i;
1868 }
1869
1870 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1871                                   struct snd_ctl_elem_info *uinfo)
1872 {
1873         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1874         int num_bands = 0;
1875
1876         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1877                                 HPI_TUNER_BAND_LAST);
1878
1879         if (num_bands < 0)
1880                 return num_bands;
1881
1882         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1883         uinfo->count = 1;
1884         uinfo->value.enumerated.items = num_bands;
1885
1886         if (num_bands > 0) {
1887                 if (uinfo->value.enumerated.item >=
1888                                         uinfo->value.enumerated.items)
1889                         uinfo->value.enumerated.item =
1890                                 uinfo->value.enumerated.items - 1;
1891
1892                 strcpy(uinfo->value.enumerated.name,
1893                         asihpi_tuner_band_names[
1894                                 tuner_bands[uinfo->value.enumerated.item]]);
1895
1896         }
1897         return 0;
1898 }
1899
1900 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1901                                  struct snd_ctl_elem_value *ucontrol)
1902 {
1903         u32 h_control = kcontrol->private_value;
1904         /*
1905         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1906         */
1907         u16 band, idx;
1908         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1909         u32 num_bands = 0;
1910
1911         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1912                                 HPI_TUNER_BAND_LAST);
1913
1914         hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1915
1916         ucontrol->value.enumerated.item[0] = -1;
1917         for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1918                 if (tuner_bands[idx] == band) {
1919                         ucontrol->value.enumerated.item[0] = idx;
1920                         break;
1921                 }
1922
1923         return 0;
1924 }
1925
1926 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1927                                  struct snd_ctl_elem_value *ucontrol)
1928 {
1929         /*
1930         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1931         */
1932         u32 h_control = kcontrol->private_value;
1933         u16 band;
1934         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1935         u32 num_bands = 0;
1936
1937         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1938                         HPI_TUNER_BAND_LAST);
1939
1940         band = tuner_bands[ucontrol->value.enumerated.item[0]];
1941         hpi_handle_error(hpi_tuner_set_band(h_control, band));
1942
1943         return 1;
1944 }
1945
1946 /* Freq */
1947
1948 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1949                                   struct snd_ctl_elem_info *uinfo)
1950 {
1951         u32 h_control = kcontrol->private_value;
1952         u16 err;
1953         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1954         u16 num_bands = 0, band_iter, idx;
1955         u32 freq_range[3], temp_freq_range[3];
1956
1957         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1958                         HPI_TUNER_BAND_LAST);
1959
1960         freq_range[0] = INT_MAX;
1961         freq_range[1] = 0;
1962         freq_range[2] = INT_MAX;
1963
1964         for (band_iter = 0; band_iter < num_bands; band_iter++) {
1965                 for (idx = 0; idx < 3; idx++) {
1966                         err = hpi_tuner_query_frequency(h_control,
1967                                 idx, tuner_bands[band_iter],
1968                                 &temp_freq_range[idx]);
1969                         if (err != 0)
1970                                 return err;
1971                 }
1972
1973                 /* skip band with bogus stepping */
1974                 if (temp_freq_range[2] <= 0)
1975                         continue;
1976
1977                 if (temp_freq_range[0] < freq_range[0])
1978                         freq_range[0] = temp_freq_range[0];
1979                 if (temp_freq_range[1] > freq_range[1])
1980                         freq_range[1] = temp_freq_range[1];
1981                 if (temp_freq_range[2] < freq_range[2])
1982                         freq_range[2] = temp_freq_range[2];
1983         }
1984
1985         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1986         uinfo->count = 1;
1987         uinfo->value.integer.min = ((int)freq_range[0]);
1988         uinfo->value.integer.max = ((int)freq_range[1]);
1989         uinfo->value.integer.step = ((int)freq_range[2]);
1990         return 0;
1991 }
1992
1993 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
1994                                  struct snd_ctl_elem_value *ucontrol)
1995 {
1996         u32 h_control = kcontrol->private_value;
1997         u32 freq;
1998
1999         hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
2000         ucontrol->value.integer.value[0] = freq;
2001
2002         return 0;
2003 }
2004
2005 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
2006                                  struct snd_ctl_elem_value *ucontrol)
2007 {
2008         u32 h_control = kcontrol->private_value;
2009         u32 freq;
2010
2011         freq = ucontrol->value.integer.value[0];
2012         hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
2013
2014         return 1;
2015 }
2016
2017 /* Tuner control group initializer  */
2018 static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
2019                                         struct hpi_control *hpi_ctl)
2020 {
2021         struct snd_card *card = asihpi->card;
2022         struct snd_kcontrol_new snd_control;
2023
2024         snd_control.private_value = hpi_ctl->h_control;
2025         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2026
2027         if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2028                 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2029                 snd_control.info = snd_asihpi_tuner_gain_info;
2030                 snd_control.get = snd_asihpi_tuner_gain_get;
2031                 snd_control.put = snd_asihpi_tuner_gain_put;
2032
2033                 if (ctl_add(card, &snd_control, asihpi) < 0)
2034                         return -EINVAL;
2035         }
2036
2037         asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2038         snd_control.info = snd_asihpi_tuner_band_info;
2039         snd_control.get = snd_asihpi_tuner_band_get;
2040         snd_control.put = snd_asihpi_tuner_band_put;
2041
2042         if (ctl_add(card, &snd_control, asihpi) < 0)
2043                 return -EINVAL;
2044
2045         asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2046         snd_control.info = snd_asihpi_tuner_freq_info;
2047         snd_control.get = snd_asihpi_tuner_freq_get;
2048         snd_control.put = snd_asihpi_tuner_freq_put;
2049
2050         return ctl_add(card, &snd_control, asihpi);
2051 }
2052
2053 /*------------------------------------------------------------
2054    Meter controls
2055  ------------------------------------------------------------*/
2056 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2057                                  struct snd_ctl_elem_info *uinfo)
2058 {
2059         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2060         uinfo->count = HPI_MAX_CHANNELS;
2061         uinfo->value.integer.min = 0;
2062         uinfo->value.integer.max = 0x7FFFFFFF;
2063         return 0;
2064 }
2065
2066 /* linear values for 10dB steps */
2067 static int log2lin[] = {
2068         0x7FFFFFFF, /* 0dB */
2069         679093956,
2070         214748365,
2071          67909396,
2072          21474837,
2073           6790940,
2074           2147484, /* -60dB */
2075            679094,
2076            214748, /* -80 */
2077             67909,
2078             21475, /* -100 */
2079              6791,
2080              2147,
2081               679,
2082               214,
2083                68,
2084                21,
2085                 7,
2086                 2
2087 };
2088
2089 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2090                                 struct snd_ctl_elem_value *ucontrol)
2091 {
2092         u32 h_control = kcontrol->private_value;
2093         short an_gain_mB[HPI_MAX_CHANNELS], i;
2094         u16 err;
2095
2096         err = hpi_meter_get_peak(h_control, an_gain_mB);
2097
2098         for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2099                 if (err) {
2100                         ucontrol->value.integer.value[i] = 0;
2101                 } else if (an_gain_mB[i] >= 0) {
2102                         ucontrol->value.integer.value[i] =
2103                                 an_gain_mB[i] << 16;
2104                 } else {
2105                         /* -ve is log value in millibels < -60dB,
2106                         * convert to (roughly!) linear,
2107                         */
2108                         ucontrol->value.integer.value[i] =
2109                                         log2lin[an_gain_mB[i] / -1000];
2110                 }
2111         }
2112         return 0;
2113 }
2114
2115 static int __devinit snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2116                                         struct hpi_control *hpi_ctl, int subidx)
2117 {
2118         struct snd_card *card = asihpi->card;
2119         struct snd_kcontrol_new snd_control;
2120
2121         asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2122         snd_control.access =
2123             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2124         snd_control.info = snd_asihpi_meter_info;
2125         snd_control.get = snd_asihpi_meter_get;
2126
2127         snd_control.index = subidx;
2128
2129         return ctl_add(card, &snd_control, asihpi);
2130 }
2131
2132 /*------------------------------------------------------------
2133    Multiplexer controls
2134  ------------------------------------------------------------*/
2135 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2136 {
2137         u32 h_control = snd_control->private_value;
2138         struct hpi_control hpi_ctl;
2139         int s, err;
2140         for (s = 0; s < 32; s++) {
2141                 err = hpi_multiplexer_query_source(h_control, s,
2142                                                   &hpi_ctl.
2143                                                   src_node_type,
2144                                                   &hpi_ctl.
2145                                                   src_node_index);
2146                 if (err)
2147                         break;
2148         }
2149         return s;
2150 }
2151
2152 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2153                                struct snd_ctl_elem_info *uinfo)
2154 {
2155         int err;
2156         u16 src_node_type, src_node_index;
2157         u32 h_control = kcontrol->private_value;
2158
2159         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2160         uinfo->count = 1;
2161         uinfo->value.enumerated.items =
2162             snd_card_asihpi_mux_count_sources(kcontrol);
2163
2164         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2165                 uinfo->value.enumerated.item =
2166                     uinfo->value.enumerated.items - 1;
2167
2168         err =
2169             hpi_multiplexer_query_source(h_control,
2170                                         uinfo->value.enumerated.item,
2171                                         &src_node_type, &src_node_index);
2172
2173         sprintf(uinfo->value.enumerated.name, "%s %d",
2174                 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2175                 src_node_index);
2176         return 0;
2177 }
2178
2179 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2180                               struct snd_ctl_elem_value *ucontrol)
2181 {
2182         u32 h_control = kcontrol->private_value;
2183         u16 source_type, source_index;
2184         u16 src_node_type, src_node_index;
2185         int s;
2186
2187         hpi_handle_error(hpi_multiplexer_get_source(h_control,
2188                                 &source_type, &source_index));
2189         /* Should cache this search result! */
2190         for (s = 0; s < 256; s++) {
2191                 if (hpi_multiplexer_query_source(h_control, s,
2192                                             &src_node_type, &src_node_index))
2193                         break;
2194
2195                 if ((source_type == src_node_type)
2196                     && (source_index == src_node_index)) {
2197                         ucontrol->value.enumerated.item[0] = s;
2198                         return 0;
2199                 }
2200         }
2201         snd_printd(KERN_WARNING
2202                 "Control %x failed to match mux source %hu %hu\n",
2203                 h_control, source_type, source_index);
2204         ucontrol->value.enumerated.item[0] = 0;
2205         return 0;
2206 }
2207
2208 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2209                               struct snd_ctl_elem_value *ucontrol)
2210 {
2211         int change;
2212         u32 h_control = kcontrol->private_value;
2213         u16 source_type, source_index;
2214         u16 e;
2215
2216         change = 1;
2217
2218         e = hpi_multiplexer_query_source(h_control,
2219                                     ucontrol->value.enumerated.item[0],
2220                                     &source_type, &source_index);
2221         if (!e)
2222                 hpi_handle_error(
2223                         hpi_multiplexer_set_source(h_control,
2224                                                 source_type, source_index));
2225         return change;
2226 }
2227
2228
2229 static int  __devinit snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2230                                         struct hpi_control *hpi_ctl)
2231 {
2232         struct snd_card *card = asihpi->card;
2233         struct snd_kcontrol_new snd_control;
2234
2235         asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2236         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2237         snd_control.info = snd_asihpi_mux_info;
2238         snd_control.get = snd_asihpi_mux_get;
2239         snd_control.put = snd_asihpi_mux_put;
2240
2241         return ctl_add(card, &snd_control, asihpi);
2242
2243 }
2244
2245 /*------------------------------------------------------------
2246    Channel mode controls
2247  ------------------------------------------------------------*/
2248 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2249                                  struct snd_ctl_elem_info *uinfo)
2250 {
2251         static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2252                 "invalid",
2253                 "Normal", "Swap",
2254                 "From Left", "From Right",
2255                 "To Left", "To Right"
2256         };
2257
2258         u32 h_control = kcontrol->private_value;
2259         u16 mode;
2260         int i;
2261         u16 mode_map[6];
2262         int valid_modes = 0;
2263
2264         /* HPI channel mode values can be from 1 to 6
2265         Some adapters only support a contiguous subset
2266         */
2267         for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2268                 if (!hpi_channel_mode_query_mode(
2269                         h_control, i, &mode)) {
2270                         mode_map[valid_modes] = mode;
2271                         valid_modes++;
2272                         }
2273
2274         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2275         uinfo->count = 1;
2276         uinfo->value.enumerated.items = valid_modes;
2277
2278         if (uinfo->value.enumerated.item >= valid_modes)
2279                 uinfo->value.enumerated.item = valid_modes - 1;
2280
2281         strcpy(uinfo->value.enumerated.name,
2282                mode_names[mode_map[uinfo->value.enumerated.item]]);
2283
2284         return 0;
2285 }
2286
2287 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2288                                 struct snd_ctl_elem_value *ucontrol)
2289 {
2290         u32 h_control = kcontrol->private_value;
2291         u16 mode;
2292
2293         if (hpi_channel_mode_get(h_control, &mode))
2294                 mode = 1;
2295
2296         ucontrol->value.enumerated.item[0] = mode - 1;
2297
2298         return 0;
2299 }
2300
2301 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2302                                 struct snd_ctl_elem_value *ucontrol)
2303 {
2304         int change;
2305         u32 h_control = kcontrol->private_value;
2306
2307         change = 1;
2308
2309         hpi_handle_error(hpi_channel_mode_set(h_control,
2310                            ucontrol->value.enumerated.item[0] + 1));
2311         return change;
2312 }
2313
2314
2315 static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2316                                         struct hpi_control *hpi_ctl)
2317 {
2318         struct snd_card *card = asihpi->card;
2319         struct snd_kcontrol_new snd_control;
2320
2321         asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2322         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2323         snd_control.info = snd_asihpi_cmode_info;
2324         snd_control.get = snd_asihpi_cmode_get;
2325         snd_control.put = snd_asihpi_cmode_put;
2326
2327         return ctl_add(card, &snd_control, asihpi);
2328 }
2329
2330 /*------------------------------------------------------------
2331    Sampleclock source  controls
2332  ------------------------------------------------------------*/
2333 static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
2334         "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2335         "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2336         "Prev Module",
2337         "Digital2", "Digital3", "Digital4", "Digital5",
2338         "Digital6", "Digital7", "Digital8"};
2339
2340 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2341                                   struct snd_ctl_elem_info *uinfo)
2342 {
2343         struct snd_card_asihpi *asihpi =
2344                         (struct snd_card_asihpi *)(kcontrol->private_data);
2345         struct clk_cache *clkcache = &asihpi->cc;
2346         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2347         uinfo->count = 1;
2348         uinfo->value.enumerated.items = clkcache->count;
2349
2350         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2351                 uinfo->value.enumerated.item =
2352                                 uinfo->value.enumerated.items - 1;
2353
2354         strcpy(uinfo->value.enumerated.name,
2355                clkcache->s[uinfo->value.enumerated.item].name);
2356         return 0;
2357 }
2358
2359 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2360                                  struct snd_ctl_elem_value *ucontrol)
2361 {
2362         struct snd_card_asihpi *asihpi =
2363                         (struct snd_card_asihpi *)(kcontrol->private_data);
2364         struct clk_cache *clkcache = &asihpi->cc;
2365         u32 h_control = kcontrol->private_value;
2366         u16 source, srcindex = 0;
2367         int i;
2368
2369         ucontrol->value.enumerated.item[0] = 0;
2370         if (hpi_sample_clock_get_source(h_control, &source))
2371                 source = 0;
2372
2373         if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2374                 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2375                         srcindex = 0;
2376
2377         for (i = 0; i < clkcache->count; i++)
2378                 if ((clkcache->s[i].source == source) &&
2379                         (clkcache->s[i].index == srcindex))
2380                         break;
2381
2382         ucontrol->value.enumerated.item[0] = i;
2383
2384         return 0;
2385 }
2386
2387 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2388                                  struct snd_ctl_elem_value *ucontrol)
2389 {
2390         struct snd_card_asihpi *asihpi =
2391                         (struct snd_card_asihpi *)(kcontrol->private_data);
2392         struct clk_cache *clkcache = &asihpi->cc;
2393         int change, item;
2394         u32 h_control = kcontrol->private_value;
2395
2396         change = 1;
2397         item = ucontrol->value.enumerated.item[0];
2398         if (item >= clkcache->count)
2399                 item = clkcache->count-1;
2400
2401         hpi_handle_error(hpi_sample_clock_set_source(
2402                                 h_control, clkcache->s[item].source));
2403
2404         if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2405                 hpi_handle_error(hpi_sample_clock_set_source_index(
2406                                 h_control, clkcache->s[item].index));
2407         return change;
2408 }
2409
2410 /*------------------------------------------------------------
2411    Clkrate controls
2412  ------------------------------------------------------------*/
2413 /* Need to change this to enumerated control with list of rates */
2414 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2415                                    struct snd_ctl_elem_info *uinfo)
2416 {
2417         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2418         uinfo->count = 1;
2419         uinfo->value.integer.min = 8000;
2420         uinfo->value.integer.max = 192000;
2421         uinfo->value.integer.step = 100;
2422
2423         return 0;
2424 }
2425
2426 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2427                                   struct snd_ctl_elem_value *ucontrol)
2428 {
2429         u32 h_control = kcontrol->private_value;
2430         u32 rate;
2431         u16 e;
2432
2433         e = hpi_sample_clock_get_local_rate(h_control, &rate);
2434         if (!e)
2435                 ucontrol->value.integer.value[0] = rate;
2436         else
2437                 ucontrol->value.integer.value[0] = 0;
2438         return 0;
2439 }
2440
2441 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2442                                   struct snd_ctl_elem_value *ucontrol)
2443 {
2444         int change;
2445         u32 h_control = kcontrol->private_value;
2446
2447         /*  change = asihpi->mixer_clkrate[addr][0] != left ||
2448            asihpi->mixer_clkrate[addr][1] != right;
2449          */
2450         change = 1;
2451         hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2452                                       ucontrol->value.integer.value[0]));
2453         return change;
2454 }
2455
2456 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2457                                    struct snd_ctl_elem_info *uinfo)
2458 {
2459         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2460         uinfo->count = 1;
2461         uinfo->value.integer.min = 8000;
2462         uinfo->value.integer.max = 192000;
2463         uinfo->value.integer.step = 100;
2464
2465         return 0;
2466 }
2467
2468 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2469                                   struct snd_ctl_elem_value *ucontrol)
2470 {
2471         u32 h_control = kcontrol->private_value;
2472         u32 rate;
2473         u16 e;
2474
2475         e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2476         if (!e)
2477                 ucontrol->value.integer.value[0] = rate;
2478         else
2479                 ucontrol->value.integer.value[0] = 0;
2480         return 0;
2481 }
2482
2483 static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2484                                         struct hpi_control *hpi_ctl)
2485 {
2486         struct snd_card *card = asihpi->card;
2487         struct snd_kcontrol_new snd_control;
2488
2489         struct clk_cache *clkcache = &asihpi->cc;
2490         u32 hSC =  hpi_ctl->h_control;
2491         int has_aes_in = 0;
2492         int i, j;
2493         u16 source;
2494
2495         snd_control.private_value = hpi_ctl->h_control;
2496
2497         clkcache->has_local = 0;
2498
2499         for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2500                 if  (hpi_sample_clock_query_source(hSC,
2501                                 i, &source))
2502                         break;
2503                 clkcache->s[i].source = source;
2504                 clkcache->s[i].index = 0;
2505                 clkcache->s[i].name = sampleclock_sources[source];
2506                 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2507                         has_aes_in = 1;
2508                 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2509                         clkcache->has_local = 1;
2510         }
2511         if (has_aes_in)
2512                 /* already will have picked up index 0 above */
2513                 for (j = 1; j < 8; j++) {
2514                         if (hpi_sample_clock_query_source_index(hSC,
2515                                 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2516                                 &source))
2517                                 break;
2518                         clkcache->s[i].source =
2519                                 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2520                         clkcache->s[i].index = j;
2521                         clkcache->s[i].name = sampleclock_sources[
2522                                         j+HPI_SAMPLECLOCK_SOURCE_LAST];
2523                         i++;
2524                 }
2525         clkcache->count = i;
2526
2527         asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2528         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2529         snd_control.info = snd_asihpi_clksrc_info;
2530         snd_control.get = snd_asihpi_clksrc_get;
2531         snd_control.put = snd_asihpi_clksrc_put;
2532         if (ctl_add(card, &snd_control, asihpi) < 0)
2533                 return -EINVAL;
2534
2535
2536         if (clkcache->has_local) {
2537                 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2538                 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2539                 snd_control.info = snd_asihpi_clklocal_info;
2540                 snd_control.get = snd_asihpi_clklocal_get;
2541                 snd_control.put = snd_asihpi_clklocal_put;
2542
2543
2544                 if (ctl_add(card, &snd_control, asihpi) < 0)
2545                         return -EINVAL;
2546         }
2547
2548         asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2549         snd_control.access =
2550             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2551         snd_control.info = snd_asihpi_clkrate_info;
2552         snd_control.get = snd_asihpi_clkrate_get;
2553
2554         return ctl_add(card, &snd_control, asihpi);
2555 }
2556 /*------------------------------------------------------------
2557    Mixer
2558  ------------------------------------------------------------*/
2559
2560 static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2561 {
2562         struct snd_card *card = asihpi->card;
2563         unsigned int idx = 0;
2564         unsigned int subindex = 0;
2565         int err;
2566         struct hpi_control hpi_ctl, prev_ctl;
2567
2568         if (snd_BUG_ON(!asihpi))
2569                 return -EINVAL;
2570         strcpy(card->mixername, "Asihpi Mixer");
2571
2572         err =
2573             hpi_mixer_open(asihpi->adapter_index,
2574                           &asihpi->h_mixer);
2575         hpi_handle_error(err);
2576         if (err)
2577                 return -err;
2578
2579         memset(&prev_ctl, 0, sizeof(prev_ctl));
2580         prev_ctl.control_type = -1;
2581
2582         for (idx = 0; idx < 2000; idx++) {
2583                 err = hpi_mixer_get_control_by_index(
2584                                 asihpi->h_mixer,
2585                                 idx,
2586                                 &hpi_ctl.src_node_type,
2587                                 &hpi_ctl.src_node_index,
2588                                 &hpi_ctl.dst_node_type,
2589                                 &hpi_ctl.dst_node_index,
2590                                 &hpi_ctl.control_type,
2591                                 &hpi_ctl.h_control);
2592                 if (err) {
2593                         if (err == HPI_ERROR_CONTROL_DISABLED) {
2594                                 if (mixer_dump)
2595                                         snd_printk(KERN_INFO
2596                                                    "Disabled HPI Control(%d)\n",
2597                                                    idx);
2598                                 continue;
2599                         } else
2600                                 break;
2601
2602                 }
2603
2604                 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2605                 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2606
2607                 /* ASI50xx in SSX mode has multiple meters on the same node.
2608                    Use subindex to create distinct ALSA controls
2609                    for any duplicated controls.
2610                 */
2611                 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2612                     (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2613                     (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2614                     (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2615                     (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2616                         subindex++;
2617                 else
2618                         subindex = 0;
2619
2620                 prev_ctl = hpi_ctl;
2621
2622                 switch (hpi_ctl.control_type) {
2623                 case HPI_CONTROL_VOLUME:
2624                         err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2625                         break;
2626                 case HPI_CONTROL_LEVEL:
2627                         err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2628                         break;
2629                 case HPI_CONTROL_MULTIPLEXER:
2630                         err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2631                         break;
2632                 case HPI_CONTROL_CHANNEL_MODE:
2633                         err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2634                         break;
2635                 case HPI_CONTROL_METER:
2636                         err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2637                         break;
2638                 case HPI_CONTROL_SAMPLECLOCK:
2639                         err = snd_asihpi_sampleclock_add(
2640                                                 asihpi, &hpi_ctl);
2641                         break;
2642                 case HPI_CONTROL_CONNECTION:    /* ignore these */
2643                         continue;
2644                 case HPI_CONTROL_TUNER:
2645                         err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2646                         break;
2647                 case HPI_CONTROL_AESEBU_TRANSMITTER:
2648                         err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2649                         break;
2650                 case HPI_CONTROL_AESEBU_RECEIVER:
2651                         err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2652                         break;
2653                 case HPI_CONTROL_VOX:
2654                 case HPI_CONTROL_BITSTREAM:
2655                 case HPI_CONTROL_MICROPHONE:
2656                 case HPI_CONTROL_PARAMETRIC_EQ:
2657                 case HPI_CONTROL_COMPANDER:
2658                 default:
2659                         if (mixer_dump)
2660                                 snd_printk(KERN_INFO
2661                                         "Untranslated HPI Control"
2662                                         "(%d) %d %d %d %d %d\n",
2663                                         idx,
2664                                         hpi_ctl.control_type,
2665                                         hpi_ctl.src_node_type,
2666                                         hpi_ctl.src_node_index,
2667                                         hpi_ctl.dst_node_type,
2668                                         hpi_ctl.dst_node_index);
2669                         continue;
2670                 };
2671                 if (err < 0)
2672                         return err;
2673         }
2674         if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2675                 hpi_handle_error(err);
2676
2677         snd_printk(KERN_INFO "%d mixer controls found\n", idx);
2678
2679         return 0;
2680 }
2681
2682 /*------------------------------------------------------------
2683    /proc interface
2684  ------------------------------------------------------------*/
2685
2686 static void
2687 snd_asihpi_proc_read(struct snd_info_entry *entry,
2688                         struct snd_info_buffer *buffer)
2689 {
2690         struct snd_card_asihpi *asihpi = entry->private_data;
2691         u16 version;
2692         u32 h_control;
2693         u32 rate = 0;
2694         u16 source = 0;
2695         int err;
2696
2697         snd_iprintf(buffer, "ASIHPI driver proc file\n");
2698         snd_iprintf(buffer,
2699                 "adapter ID=%4X\n_index=%d\n"
2700                 "num_outstreams=%d\n_num_instreams=%d\n",
2701                 asihpi->type, asihpi->adapter_index,
2702                 asihpi->num_outstreams, asihpi->num_instreams);
2703
2704         version = asihpi->version;
2705         snd_iprintf(buffer,
2706                 "serial#=%d\n_hw version %c%d\nDSP code version %03d\n",
2707                 asihpi->serial_number, ((version >> 3) & 0xf) + 'A',
2708                 version & 0x7,
2709                 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2710
2711         err = hpi_mixer_get_control(asihpi->h_mixer,
2712                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2713                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
2714
2715         if (!err) {
2716                 err = hpi_sample_clock_get_sample_rate(
2717                                         h_control, &rate);
2718                 err += hpi_sample_clock_get_source(h_control, &source);
2719
2720                 if (!err)
2721                         snd_iprintf(buffer, "sample_clock=%d_hz, source %s\n",
2722                         rate, sampleclock_sources[source]);
2723         }
2724
2725 }
2726
2727
2728 static void __devinit snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2729 {
2730         struct snd_info_entry *entry;
2731
2732         if (!snd_card_proc_new(asihpi->card, "info", &entry))
2733                 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2734 }
2735
2736 /*------------------------------------------------------------
2737    HWDEP
2738  ------------------------------------------------------------*/
2739
2740 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2741 {
2742         if (enable_hpi_hwdep)
2743                 return 0;
2744         else
2745                 return -ENODEV;
2746
2747 }
2748
2749 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2750 {
2751         if (enable_hpi_hwdep)
2752                 return asihpi_hpi_release(file);
2753         else
2754                 return -ENODEV;
2755 }
2756
2757 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2758                                 unsigned int cmd, unsigned long arg)
2759 {
2760         if (enable_hpi_hwdep)
2761                 return asihpi_hpi_ioctl(file, cmd, arg);
2762         else
2763                 return -ENODEV;
2764 }
2765
2766
2767 /* results in /dev/snd/hwC#D0 file for each card with index #
2768    also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2769 */
2770 static int __devinit snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi,
2771         int device, struct snd_hwdep **rhwdep)
2772 {
2773         struct snd_hwdep *hw;
2774         int err;
2775
2776         if (rhwdep)
2777                 *rhwdep = NULL;
2778         err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2779         if (err < 0)
2780                 return err;
2781         strcpy(hw->name, "asihpi (HPI)");
2782         hw->iface = SNDRV_HWDEP_IFACE_LAST;
2783         hw->ops.open = snd_asihpi_hpi_open;
2784         hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2785         hw->ops.release = snd_asihpi_hpi_release;
2786         hw->private_data = asihpi;
2787         if (rhwdep)
2788                 *rhwdep = hw;
2789         return 0;
2790 }
2791
2792 /*------------------------------------------------------------
2793    CARD
2794  ------------------------------------------------------------*/
2795 static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
2796                                        const struct pci_device_id *pci_id)
2797 {
2798         int err;
2799
2800         u16 version;
2801         int pcm_substreams;
2802
2803         struct hpi_adapter *hpi_card;
2804         struct snd_card *card;
2805         struct snd_card_asihpi *asihpi;
2806
2807         u32 h_control;
2808         u32 h_stream;
2809
2810         static int dev;
2811         if (dev >= SNDRV_CARDS)
2812                 return -ENODEV;
2813
2814         /* Should this be enable[hpi_card->index] ? */
2815         if (!enable[dev]) {
2816                 dev++;
2817                 return -ENOENT;
2818         }
2819
2820         err = asihpi_adapter_probe(pci_dev, pci_id);
2821         if (err < 0)
2822                 return err;
2823
2824         hpi_card = pci_get_drvdata(pci_dev);
2825         /* first try to give the card the same index as its hardware index */
2826         err = snd_card_create(hpi_card->index,
2827                               id[hpi_card->index], THIS_MODULE,
2828                               sizeof(struct snd_card_asihpi),
2829                               &card);
2830         if (err < 0) {
2831                 /* if that fails, try the default index==next available */
2832                 err =
2833                     snd_card_create(index[dev], id[dev],
2834                                     THIS_MODULE,
2835                                     sizeof(struct snd_card_asihpi),
2836                                     &card);
2837                 if (err < 0)
2838                         return err;
2839                 snd_printk(KERN_WARNING
2840                         "**** WARNING **** Adapter index %d->ALSA index %d\n",
2841                         hpi_card->index, card->number);
2842         }
2843
2844         snd_card_set_dev(card, &pci_dev->dev);
2845
2846         asihpi = (struct snd_card_asihpi *) card->private_data;
2847         asihpi->card = card;
2848         asihpi->pci = pci_dev;
2849         asihpi->adapter_index = hpi_card->index;
2850         hpi_handle_error(hpi_adapter_get_info(
2851                                  asihpi->adapter_index,
2852                                  &asihpi->num_outstreams,
2853                                  &asihpi->num_instreams,
2854                                  &asihpi->version,
2855                                  &asihpi->serial_number, &asihpi->type));
2856
2857         version = asihpi->version;
2858         snd_printk(KERN_INFO "adapter ID=%4X index=%d num_outstreams=%d "
2859                         "num_instreams=%d S/N=%d\n"
2860                         "Hw Version %c%d DSP code version %03d\n",
2861                         asihpi->type, asihpi->adapter_index,
2862                         asihpi->num_outstreams,
2863                         asihpi->num_instreams, asihpi->serial_number,
2864                         ((version >> 3) & 0xf) + 'A',
2865                         version & 0x7,
2866                         ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2867
2868         pcm_substreams = asihpi->num_outstreams;
2869         if (pcm_substreams < asihpi->num_instreams)
2870                 pcm_substreams = asihpi->num_instreams;
2871
2872         err = hpi_adapter_get_property(asihpi->adapter_index,
2873                 HPI_ADAPTER_PROPERTY_CAPS1,
2874                 NULL, &asihpi->support_grouping);
2875         if (err)
2876                 asihpi->support_grouping = 0;
2877
2878         err = hpi_adapter_get_property(asihpi->adapter_index,
2879                 HPI_ADAPTER_PROPERTY_CAPS2,
2880                 &asihpi->support_mrx, NULL);
2881         if (err)
2882                 asihpi->support_mrx = 0;
2883
2884         err = hpi_adapter_get_property(asihpi->adapter_index,
2885                 HPI_ADAPTER_PROPERTY_INTERVAL,
2886                 NULL, &asihpi->update_interval_frames);
2887         if (err)
2888                 asihpi->update_interval_frames = 512;
2889
2890         hpi_handle_error(hpi_instream_open(asihpi->adapter_index,
2891                              0, &h_stream));
2892
2893         err = hpi_instream_host_buffer_free(h_stream);
2894         asihpi->support_mmap = (!err);
2895
2896         hpi_handle_error(hpi_instream_close(h_stream));
2897
2898         err = hpi_adapter_get_property(asihpi->adapter_index,
2899                 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2900                 &asihpi->in_max_chans, &asihpi->out_max_chans);
2901         if (err) {
2902                 asihpi->in_max_chans = 2;
2903                 asihpi->out_max_chans = 2;
2904         }
2905
2906         snd_printk(KERN_INFO "supports mmap:%d grouping:%d mrx:%d\n",
2907                         asihpi->support_mmap,
2908                         asihpi->support_grouping,
2909                         asihpi->support_mrx
2910               );
2911
2912
2913         err = snd_card_asihpi_pcm_new(asihpi, 0, pcm_substreams);
2914         if (err < 0) {
2915                 snd_printk(KERN_ERR "pcm_new failed\n");
2916                 goto __nodev;
2917         }
2918         err = snd_card_asihpi_mixer_new(asihpi);
2919         if (err < 0) {
2920                 snd_printk(KERN_ERR "mixer_new failed\n");
2921                 goto __nodev;
2922         }
2923
2924         err = hpi_mixer_get_control(asihpi->h_mixer,
2925                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2926                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
2927
2928         if (!err)
2929                 err = hpi_sample_clock_set_local_rate(
2930                         h_control, adapter_fs);
2931
2932         snd_asihpi_proc_init(asihpi);
2933
2934         /* always create, can be enabled or disabled dynamically
2935             by enable_hwdep  module param*/
2936         snd_asihpi_hpi_new(asihpi, 0, NULL);
2937
2938         if (asihpi->support_mmap)
2939                 strcpy(card->driver, "ASIHPI-MMAP");
2940         else
2941                 strcpy(card->driver, "ASIHPI");
2942
2943         sprintf(card->shortname, "AudioScience ASI%4X", asihpi->type);
2944         sprintf(card->longname, "%s %i",
2945                         card->shortname, asihpi->adapter_index);
2946         err = snd_card_register(card);
2947         if (!err) {
2948                 hpi_card->snd_card_asihpi = card;
2949                 dev++;
2950                 return 0;
2951         }
2952 __nodev:
2953         snd_card_free(card);
2954         snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err);
2955         return err;
2956
2957 }
2958
2959 static void __devexit snd_asihpi_remove(struct pci_dev *pci_dev)
2960 {
2961         struct hpi_adapter *hpi_card = pci_get_drvdata(pci_dev);
2962
2963         snd_card_free(hpi_card->snd_card_asihpi);
2964         hpi_card->snd_card_asihpi = NULL;
2965         asihpi_adapter_remove(pci_dev);
2966 }
2967
2968 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = {
2969         {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
2970                 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2971                 (kernel_ulong_t)HPI_6205},
2972         {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
2973                 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2974                 (kernel_ulong_t)HPI_6000},
2975         {0,}
2976 };
2977 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
2978
2979 static struct pci_driver driver = {
2980         .name = "asihpi",
2981         .id_table = asihpi_pci_tbl,
2982         .probe = snd_asihpi_probe,
2983         .remove = __devexit_p(snd_asihpi_remove),
2984 #ifdef CONFIG_PM
2985 /*      .suspend = snd_asihpi_suspend,
2986         .resume = snd_asihpi_resume, */
2987 #endif
2988 };
2989
2990 static int __init snd_asihpi_init(void)
2991 {
2992         asihpi_init();
2993         return pci_register_driver(&driver);
2994 }
2995
2996 static void __exit snd_asihpi_exit(void)
2997 {
2998
2999         pci_unregister_driver(&driver);
3000         asihpi_exit();
3001 }
3002
3003 module_init(snd_asihpi_init)
3004 module_exit(snd_asihpi_exit)
3005