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 #include "hpi_internal.h"
  26 #include "hpimsginit.h"
  27 #include "hpioctl.h"
  28
  29 #include <linux/pci.h>
  30 #include <linux/init.h>
  31 #include <linux/jiffies.h>
  32 #include <linux/slab.h>
  33 #include <linux/time.h>
  34 #include <linux/wait.h>
  35 #include <sound/core.h>
  36 #include <sound/control.h>
  37 #include <sound/pcm.h>
  38 #include <sound/pcm_params.h>
  39 #include <sound/info.h>
  40 #include <sound/initval.h>
  41 #include <sound/tlv.h>
  42 #include <sound/hwdep.h>
  43
  44 MODULE_LICENSE("GPL");
  45 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>");
  46 MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx");
  47
  48 #if defined CONFIG_SND_DEBUG_VERBOSE
  49 /**
  50  * snd_printddd - very verbose debug printk
  51  * @format: format string
  52  *
  53  * Works like snd_printk() for debugging purposes.
  54  * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set.
  55  * Must set snd module debug parameter to 3 to enable at runtime.
  56  */
  57 #define snd_printddd(format, args...) \
  58         __snd_printk(3, __FILE__, __LINE__, format, ##args)
  59 #else
  60 #define snd_printddd(format, args...) do { } while (0)
  61 #endif
  62
  63 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* index 0-MAX */
  64 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  65 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
  66 static int enable_hpi_hwdep = 1;
  67
  68 module_param_array(index, int, NULL, S_IRUGO);
  69 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
  70
  71 module_param_array(id, charp, NULL, S_IRUGO);
  72 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
  73
  74 module_param_array(enable, bool, NULL, S_IRUGO);
  75 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
  76
  77 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR);
  78 MODULE_PARM_DESC(enable_hpi_hwdep,
  79                 "ALSA enable HPI hwdep for AudioScience soundcard ");
  80
  81 /* identify driver */
  82 #ifdef KERNEL_ALSA_BUILD
  83 static char *build_info = "Built using headers from kernel source";
  84 module_param(build_info, charp, S_IRUGO);
  85 MODULE_PARM_DESC(build_info, "built using headers from kernel source");
  86 #else
  87 static char *build_info = "Built within ALSA source";
  88 module_param(build_info, charp, S_IRUGO);
  89 MODULE_PARM_DESC(build_info, "built within ALSA source");
  90 #endif
  91
  92 /* set to 1 to dump every control from adapter to log */
  93 static const int mixer_dump;
  94
  95 #define DEFAULT_SAMPLERATE 44100
  96 static int adapter_fs = DEFAULT_SAMPLERATE;
  97
  98 /* defaults */
  99 #define PERIODS_MIN 2
 100 #define PERIOD_BYTES_MIN  2048
 101 #define BUFFER_BYTES_MAX (512 * 1024)
 102
 103 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7)
 104
 105 struct clk_source {
 106         int source;
 107         int index;
 108         char *name;
 109 };
 110
 111 struct clk_cache {
 112         int count;
 113         int has_local;
 114         struct clk_source s[MAX_CLOCKSOURCES];
 115 };
 116
 117 /* Per card data */
 118 struct snd_card_asihpi {
 119         struct snd_card *card;
 120         struct pci_dev *pci;
 121         u16 adapter_index;
 122         u32 serial_number;
 123         u16 type;
 124         u16 version;
 125         u16 num_outstreams;
 126         u16 num_instreams;
 127
 128         u32 h_mixer;
 129         struct clk_cache cc;
 130
 131         u16 can_dma;
 132         u16 support_grouping;
 133         u16 support_mrx;
 134         u16 update_interval_frames;
 135         u16 in_max_chans;
 136         u16 out_max_chans;
 137 };
 138
 139 /* Per stream data */
 140 struct snd_card_asihpi_pcm {
 141         struct timer_list timer;
 142         unsigned int respawn_timer;
 143         unsigned int hpi_buffer_attached;
 144         unsigned int buffer_bytes;
 145         unsigned int period_bytes;
 146         unsigned int bytes_per_sec;
 147         unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
 148         unsigned int pcm_buf_dma_ofs;   /* DMA R/W offset in buffer */
 149         unsigned int pcm_buf_elapsed_dma_ofs;   /* DMA R/W offset in buffer */
 150         unsigned int drained_count;
 151         struct snd_pcm_substream *substream;
 152         u32 h_stream;
 153         struct hpi_format format;
 154 };
 155
 156 /* universal stream verbs work with out or in stream handles */
 157
 158 /* Functions to allow driver to give a buffer to HPI for busmastering */
 159
 160 static u16 hpi_stream_host_buffer_attach(
 161         u32 h_stream,   /* handle to outstream. */
 162         u32 size_in_bytes, /* size in bytes of bus mastering buffer */
 163         u32 pci_address
 164 )
 165 {
 166         struct hpi_message hm;
 167         struct hpi_response hr;
 168         unsigned int obj = hpi_handle_object(h_stream);
 169
 170         if (!h_stream)
 171                 return HPI_ERROR_INVALID_OBJ;
 172         hpi_init_message_response(&hm, &hr, obj,
 173                         obj == HPI_OBJ_OSTREAM ?
 174                                 HPI_OSTREAM_HOSTBUFFER_ALLOC :
 175                                 HPI_ISTREAM_HOSTBUFFER_ALLOC);
 176
 177         hpi_handle_to_indexes(h_stream, &hm.adapter_index,
 178                                 &hm.obj_index);
 179
 180         hm.u.d.u.buffer.buffer_size = size_in_bytes;
 181         hm.u.d.u.buffer.pci_address = pci_address;
 182         hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
 183         hpi_send_recv(&hm, &hr);
 184         return hr.error;
 185 }
 186
 187 static u16 hpi_stream_host_buffer_detach(u32  h_stream)
 188 {
 189         struct hpi_message hm;
 190         struct hpi_response hr;
 191         unsigned int obj = hpi_handle_object(h_stream);
 192
 193         if (!h_stream)
 194                 return HPI_ERROR_INVALID_OBJ;
 195
 196         hpi_init_message_response(&hm, &hr,  obj,
 197                         obj == HPI_OBJ_OSTREAM ?
 198                                 HPI_OSTREAM_HOSTBUFFER_FREE :
 199                                 HPI_ISTREAM_HOSTBUFFER_FREE);
 200
 201         hpi_handle_to_indexes(h_stream, &hm.adapter_index,
 202                                 &hm.obj_index);
 203         hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
 204         hpi_send_recv(&hm, &hr);
 205         return hr.error;
 206 }
 207
 208 static inline u16 hpi_stream_start(u32 h_stream)
 209 {
 210         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 211                 return hpi_outstream_start(h_stream);
 212         else
 213                 return hpi_instream_start(h_stream);
 214 }
 215
 216 static inline u16 hpi_stream_stop(u32 h_stream)
 217 {
 218         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 219                 return hpi_outstream_stop(h_stream);
 220         else
 221                 return hpi_instream_stop(h_stream);
 222 }
 223
 224 static inline u16 hpi_stream_get_info_ex(
 225     u32 h_stream,
 226     u16        *pw_state,
 227     u32        *pbuffer_size,
 228     u32        *pdata_in_buffer,
 229     u32        *psample_count,
 230     u32        *pauxiliary_data
 231 )
 232 {
 233         u16 e;
 234         if (hpi_handle_object(h_stream)  ==  HPI_OBJ_OSTREAM)
 235                 e = hpi_outstream_get_info_ex(h_stream, pw_state,
 236                                         pbuffer_size, pdata_in_buffer,
 237                                         psample_count, pauxiliary_data);
 238         else
 239                 e = hpi_instream_get_info_ex(h_stream, pw_state,
 240                                         pbuffer_size, pdata_in_buffer,
 241                                         psample_count, pauxiliary_data);
 242         return e;
 243 }
 244
 245 static inline u16 hpi_stream_group_add(
 246                                         u32 h_master,
 247                                         u32 h_stream)
 248 {
 249         if (hpi_handle_object(h_master) ==  HPI_OBJ_OSTREAM)
 250                 return hpi_outstream_group_add(h_master, h_stream);
 251         else
 252                 return hpi_instream_group_add(h_master, h_stream);
 253 }
 254
 255 static inline u16 hpi_stream_group_reset(u32 h_stream)
 256 {
 257         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 258                 return hpi_outstream_group_reset(h_stream);
 259         else
 260                 return hpi_instream_group_reset(h_stream);
 261 }
 262
 263 static inline u16 hpi_stream_group_get_map(
 264                                 u32 h_stream, u32 *mo, u32 *mi)
 265 {
 266         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 267                 return hpi_outstream_group_get_map(h_stream, mo, mi);
 268         else
 269                 return hpi_instream_group_get_map(h_stream, mo, mi);
 270 }
 271
 272 static u16 handle_error(u16 err, int line, char *filename)
 273 {
 274         if (err)
 275                 printk(KERN_WARNING
 276                         "in file %s, line %d: HPI error %d\n",
 277                         filename, line, err);
 278         return err;
 279 }
 280
 281 #define hpi_handle_error(x)  handle_error(x, __LINE__, __FILE__)
 282
 283 /***************************** GENERAL PCM ****************/
 284
 285 static void print_hwparams(struct snd_pcm_substream *substream,
 286                                 struct snd_pcm_hw_params *p)
 287 {
 288         char name[16];
 289         snd_pcm_debug_name(substream, name, sizeof(name));
 290         snd_printd("%s HWPARAMS\n", name);
 291         snd_printd(" samplerate %d Hz\n", params_rate(p));
 292         snd_printd(" channels %d\n", params_channels(p));
 293         snd_printd(" format %d\n", params_format(p));
 294         snd_printd(" subformat %d\n", params_subformat(p));
 295         snd_printd(" buffer %d B\n", params_buffer_bytes(p));
 296         snd_printd(" period %d B\n", params_period_bytes(p));
 297         snd_printd(" access %d\n", params_access(p));
 298         snd_printd(" period_size %d\n", params_period_size(p));
 299         snd_printd(" periods %d\n", params_periods(p));
 300         snd_printd(" buffer_size %d\n", params_buffer_size(p));
 301         snd_printd(" %d B/s\n", params_rate(p) *
 302                 params_channels(p) *
 303                 snd_pcm_format_width(params_format(p)) / 8);
 304
 305 }
 306
 307 static snd_pcm_format_t hpi_to_alsa_formats[] = {
 308         -1,                     /* INVALID */
 309         SNDRV_PCM_FORMAT_U8,    /* HPI_FORMAT_PCM8_UNSIGNED        1 */
 310         SNDRV_PCM_FORMAT_S16,   /* HPI_FORMAT_PCM16_SIGNED         2 */
 311         -1,                     /* HPI_FORMAT_MPEG_L1              3 */
 312         SNDRV_PCM_FORMAT_MPEG,  /* HPI_FORMAT_MPEG_L2              4 */
 313         SNDRV_PCM_FORMAT_MPEG,  /* HPI_FORMAT_MPEG_L3              5 */
 314         -1,                     /* HPI_FORMAT_DOLBY_AC2            6 */
 315         -1,                     /* HPI_FORMAT_DOLBY_AC3            7 */
 316         SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN      8 */
 317         -1,                     /* HPI_FORMAT_AA_TAGIT1_HITS       9 */
 318         -1,                     /* HPI_FORMAT_AA_TAGIT1_INSERTS   10 */
 319         SNDRV_PCM_FORMAT_S32,   /* HPI_FORMAT_PCM32_SIGNED        11 */
 320         -1,                     /* HPI_FORMAT_RAW_BITSTREAM       12 */
 321         -1,                     /* HPI_FORMAT_AA_TAGIT1_HITS_EX1  13 */
 322         SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT         14 */
 323 #if 1
 324         /* ALSA can't handle 3 byte sample size together with power-of-2
 325          *  constraint on buffer_bytes, so disable this format
 326          */
 327         -1
 328 #else
 329         /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
 330 #endif
 331 };
 332
 333
 334 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
 335                                            u16 *hpi_format)
 336 {
 337         u16 format;
 338
 339         for (format = HPI_FORMAT_PCM8_UNSIGNED;
 340              format <= HPI_FORMAT_PCM24_SIGNED; format++) {
 341                 if (hpi_to_alsa_formats[format] == alsa_format) {
 342                         *hpi_format = format;
 343                         return 0;
 344                 }
 345         }
 346
 347         snd_printd(KERN_WARNING "failed match for alsa format %d\n",
 348                    alsa_format);
 349         *hpi_format = 0;
 350         return -EINVAL;
 351 }
 352
 353 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
 354                                          struct snd_pcm_hardware *pcmhw)
 355 {
 356         u16 err;
 357         u32 h_control;
 358         u32 sample_rate;
 359         int idx;
 360         unsigned int rate_min = 200000;
 361         unsigned int rate_max = 0;
 362         unsigned int rates = 0;
 363
 364         if (asihpi->support_mrx) {
 365                 rates |= SNDRV_PCM_RATE_CONTINUOUS;
 366                 rates |= SNDRV_PCM_RATE_8000_96000;
 367                 rate_min = 8000;
 368                 rate_max = 100000;
 369         } else {
 370                 /* on cards without SRC,
 371                    valid rates are determined by sampleclock */
 372                 err = hpi_mixer_get_control(asihpi->h_mixer,
 373                                           HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 374                                           HPI_CONTROL_SAMPLECLOCK, &h_control);
 375                 if (err) {
 376                         snd_printk(KERN_ERR
 377                                 "No local sampleclock, err %d\n", err);
 378                 }
 379
 380                 for (idx = -1; idx < 100; idx++) {
 381                         if (idx == -1) {
 382                                 if (hpi_sample_clock_get_sample_rate(h_control,
 383                                                                 &sample_rate))
 384                                         continue;
 385                         } else if (hpi_sample_clock_query_local_rate(h_control,
 386                                                         idx, &sample_rate)) {
 387                                 break;
 388                         }
 389
 390                         rate_min = min(rate_min, sample_rate);
 391                         rate_max = max(rate_max, sample_rate);
 392
 393                         switch (sample_rate) {
 394                         case 5512:
 395                                 rates |= SNDRV_PCM_RATE_5512;
 396                                 break;
 397                         case 8000:
 398                                 rates |= SNDRV_PCM_RATE_8000;
 399                                 break;
 400                         case 11025:
 401                                 rates |= SNDRV_PCM_RATE_11025;
 402                                 break;
 403                         case 16000:
 404                                 rates |= SNDRV_PCM_RATE_16000;
 405                                 break;
 406                         case 22050:
 407                                 rates |= SNDRV_PCM_RATE_22050;
 408                                 break;
 409                         case 32000:
 410                                 rates |= SNDRV_PCM_RATE_32000;
 411                                 break;
 412                         case 44100:
 413                                 rates |= SNDRV_PCM_RATE_44100;
 414                                 break;
 415                         case 48000:
 416                                 rates |= SNDRV_PCM_RATE_48000;
 417                                 break;
 418                         case 64000:
 419                                 rates |= SNDRV_PCM_RATE_64000;
 420                                 break;
 421                         case 88200:
 422                                 rates |= SNDRV_PCM_RATE_88200;
 423                                 break;
 424                         case 96000:
 425                                 rates |= SNDRV_PCM_RATE_96000;
 426                                 break;
 427                         case 176400:
 428                                 rates |= SNDRV_PCM_RATE_176400;
 429                                 break;
 430                         case 192000:
 431                                 rates |= SNDRV_PCM_RATE_192000;
 432                                 break;
 433                         default: /* some other rate */
 434                                 rates |= SNDRV_PCM_RATE_KNOT;
 435                         }
 436                 }
 437         }
 438
 439         pcmhw->rates = rates;
 440         pcmhw->rate_min = rate_min;
 441         pcmhw->rate_max = rate_max;
 442 }
 443
 444 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
 445                                          struct snd_pcm_hw_params *params)
 446 {
 447         struct snd_pcm_runtime *runtime = substream->runtime;
 448         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 449         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 450         int err;
 451         u16 format;
 452         int width;
 453         unsigned int bytes_per_sec;
 454
 455         print_hwparams(substream, params);
 456         err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
 457         if (err < 0)
 458                 return err;
 459         err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
 460         if (err)
 461                 return err;
 462
 463         hpi_handle_error(hpi_format_create(&dpcm->format,
 464                         params_channels(params),
 465                         format, params_rate(params), 0, 0));
 466
 467         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 468                 if (hpi_instream_reset(dpcm->h_stream) != 0)
 469                         return -EINVAL;
 470
 471                 if (hpi_instream_set_format(
 472                         dpcm->h_stream, &dpcm->format) != 0)
 473                         return -EINVAL;
 474         }
 475
 476         dpcm->hpi_buffer_attached = 0;
 477         if (card->can_dma) {
 478                 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
 479                         params_buffer_bytes(params),  runtime->dma_addr);
 480                 if (err == 0) {
 481                         snd_printdd(
 482                                 "stream_host_buffer_attach succeeded %u %lu\n",
 483                                 params_buffer_bytes(params),
 484                                 (unsigned long)runtime->dma_addr);
 485                 } else {
 486                         snd_printd("stream_host_buffer_attach error %d\n",
 487                                         err);
 488                         return -ENOMEM;
 489                 }
 490
 491                 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
 492                                                 &dpcm->hpi_buffer_attached,
 493                                                 NULL, NULL, NULL);
 494
 495                 snd_printdd("stream_host_buffer_attach status 0x%x\n",
 496                                 dpcm->hpi_buffer_attached);
 497         }
 498         bytes_per_sec = params_rate(params) * params_channels(params);
 499         width = snd_pcm_format_width(params_format(params));
 500         bytes_per_sec *= width;
 501         bytes_per_sec /= 8;
 502         if (width < 0 || bytes_per_sec == 0)
 503                 return -EINVAL;
 504
 505         dpcm->bytes_per_sec = bytes_per_sec;
 506         dpcm->buffer_bytes = params_buffer_bytes(params);
 507         dpcm->period_bytes = params_period_bytes(params);
 508
 509         return 0;
 510 }
 511
 512 static int
 513 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
 514 {
 515         struct snd_pcm_runtime *runtime = substream->runtime;
 516         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 517         if (dpcm->hpi_buffer_attached)
 518                 hpi_stream_host_buffer_detach(dpcm->h_stream);
 519
 520         snd_pcm_lib_free_pages(substream);
 521         return 0;
 522 }
 523
 524 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime)
 525 {
 526         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 527         kfree(dpcm);
 528 }
 529
 530 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
 531                                             substream)
 532 {
 533         struct snd_pcm_runtime *runtime = substream->runtime;
 534         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 535         int expiry;
 536
 537         expiry = HZ / 200;
 538         /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */
 539         expiry = max(expiry, 1); /* don't let it be zero! */
 540         dpcm->timer.expires = jiffies + expiry;
 541         dpcm->respawn_timer = 1;
 542         add_timer(&dpcm->timer);
 543 }
 544
 545 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
 546 {
 547         struct snd_pcm_runtime *runtime = substream->runtime;
 548         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 549
 550         dpcm->respawn_timer = 0;
 551         del_timer(&dpcm->timer);
 552 }
 553
 554 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 555                                            int cmd)
 556 {
 557         struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
 558         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 559         struct snd_pcm_substream *s;
 560         u16 e;
 561         char name[16];
 562
 563         snd_pcm_debug_name(substream, name, sizeof(name));
 564         snd_printdd("%s trigger\n", name);
 565
 566         switch (cmd) {
 567         case SNDRV_PCM_TRIGGER_START:
 568                 snd_pcm_group_for_each_entry(s, substream) {
 569                         struct snd_pcm_runtime *runtime = s->runtime;
 570                         struct snd_card_asihpi_pcm *ds = runtime->private_data;
 571
 572                         if (snd_pcm_substream_chip(s) != card)
 573                                 continue;
 574
 575                         /* don't link Cap and Play */
 576                         if (substream->stream != s->stream)
 577                                 continue;
 578
 579                         ds->drained_count = 0;
 580                         if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 581                                 /* How do I know how much valid data is present
 582                                 * in buffer? Must be at least one period!
 583                                 * Guessing 2 periods, but if
 584                                 * buffer is bigger it may contain even more
 585                                 * data??
 586                                 */
 587                                 unsigned int preload = ds->period_bytes * 1;
 588                                 snd_printddd("%d preload x%x\n", s->number, preload);
 589                                 hpi_handle_error(hpi_outstream_write_buf(
 590                                                 ds->h_stream,
 591                                                 &runtime->dma_area[0],
 592                                                 preload,
 593                                                 &ds->format));
 594                                 ds->pcm_buf_host_rw_ofs = preload;
 595                         }
 596
 597                         if (card->support_grouping) {
 598                                 snd_printdd("%d group\n", s->number);
 599                                 e = hpi_stream_group_add(
 600                                         dpcm->h_stream,
 601                                         ds->h_stream);
 602                                 if (!e) {
 603                                         snd_pcm_trigger_done(s, substream);
 604                                 } else {
 605                                         hpi_handle_error(e);
 606                                         break;
 607                                 }
 608                         } else
 609                                 break;
 610                 }
 611                 snd_printdd("start\n");
 612                 /* start the master stream */
 613                 snd_card_asihpi_pcm_timer_start(substream);
 614                 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
 615                         !card->can_dma)
 616                         hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 617                 break;
 618
 619         case SNDRV_PCM_TRIGGER_STOP:
 620                 snd_card_asihpi_pcm_timer_stop(substream);
 621                 snd_pcm_group_for_each_entry(s, substream) {
 622                         if (snd_pcm_substream_chip(s) != card)
 623                                 continue;
 624                         /* don't link Cap and Play */
 625                         if (substream->stream != s->stream)
 626                                 continue;
 627
 628                         /*? workaround linked streams don't
 629                         transition to SETUP 20070706*/
 630                         s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
 631
 632                         if (card->support_grouping) {
 633                                 snd_printdd("%d group\n", s->number);
 634                                 snd_pcm_trigger_done(s, substream);
 635                         } else
 636                                 break;
 637                 }
 638                 snd_printdd("stop\n");
 639
 640                 /* _prepare and _hwparams reset the stream */
 641                 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 642                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 643                         hpi_handle_error(
 644                                 hpi_outstream_reset(dpcm->h_stream));
 645
 646                 if (card->support_grouping)
 647                         hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
 648                 break;
 649
 650         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 651                 snd_printdd("pause release\n");
 652                 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 653                 snd_card_asihpi_pcm_timer_start(substream);
 654                 break;
 655         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 656                 snd_printdd("pause\n");
 657                 snd_card_asihpi_pcm_timer_stop(substream);
 658                 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 659                 break;
 660         default:
 661                 snd_printd(KERN_ERR "\tINVALID\n");
 662                 return -EINVAL;
 663         }
 664
 665         return 0;
 666 }
 667
 668 /*algorithm outline
 669  Without linking degenerates to getting single stream pos etc
 670  Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
 671 */
 672 /*
 673 pcm_buf_dma_ofs=get_buf_pos(s);
 674 for_each_linked_stream(s) {
 675         pcm_buf_dma_ofs=get_buf_pos(s);
 676         min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
 677         new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
 678 }
 679 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
 680 for_each_linked_stream(s) {
 681         s->pcm_buf_dma_ofs = min_buf_pos;
 682         if (new_data > period_bytes) {
 683                 if (mmap) {
 684                         irq_pos = (irq_pos + period_bytes) % buffer_bytes;
 685                         if (playback) {
 686                                 write(period_bytes);
 687                         } else {
 688                                 read(period_bytes);
 689                         }
 690                 }
 691                 snd_pcm_period_elapsed(s);
 692         }
 693 }
 694 */
 695
 696 /** Minimum of 2 modulo values.  Works correctly when the difference between
 697 * the values is less than half the modulus
 698 */
 699 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
 700                                         unsigned long int modulus)
 701 {
 702         unsigned int result;
 703         if (((a-b) % modulus) < (modulus/2))
 704                 result = b;
 705         else
 706                 result = a;
 707
 708         return result;
 709 }
 710
 711 /** Timer function, equivalent to interrupt service routine for cards
 712 */
 713 static void snd_card_asihpi_timer_function(unsigned long data)
 714 {
 715         struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
 716         struct snd_pcm_substream *substream = dpcm->substream;
 717         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 718         struct snd_pcm_runtime *runtime;
 719         struct snd_pcm_substream *s;
 720         unsigned int newdata = 0;
 721         unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
 722         unsigned int remdata, xfercount, next_jiffies;
 723         int first = 1;
 724         int loops = 0;
 725         u16 state;
 726         u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
 727         char name[16];
 728
 729         snd_pcm_debug_name(substream, name, sizeof(name));
 730
 731         snd_printdd("%s snd_card_asihpi_timer_function\n", name);
 732
 733         /* find minimum newdata and buffer pos in group */
 734         snd_pcm_group_for_each_entry(s, substream) {
 735                 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 736                 runtime = s->runtime;
 737
 738                 if (snd_pcm_substream_chip(s) != card)
 739                         continue;
 740
 741                 /* don't link Cap and Play */
 742                 if (substream->stream != s->stream)
 743                         continue;
 744
 745                 hpi_handle_error(hpi_stream_get_info_ex(
 746                                         ds->h_stream, &state,
 747                                         &buffer_size, &bytes_avail,
 748                                         &samples_played, &on_card_bytes));
 749
 750                 /* number of bytes in on-card buffer */
 751                 runtime->delay = on_card_bytes;
 752
 753                 if (!card->can_dma)
 754                         on_card_bytes = bytes_avail;
 755
 756                 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 757                         pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
 758                         if (state == HPI_STATE_STOPPED) {
 759                                 if ((bytes_avail == 0) &&
 760                                     (on_card_bytes < ds->pcm_buf_host_rw_ofs)) {
 761                                         hpi_handle_error(hpi_stream_start(ds->h_stream));
 762                                         snd_printdd("P%d start\n", s->number);
 763                                         ds->drained_count = 0;
 764                                 }
 765                         } else if (state == HPI_STATE_DRAINED) {
 766                                 snd_printd(KERN_WARNING "P%d drained\n",
 767                                                 s->number);
 768                                 ds->drained_count++;
 769                                 if (ds->drained_count > 2) {
 770                                         snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
 771                                         continue;
 772                                 }
 773                         } else {
 774                                 ds->drained_count = 0;
 775                         }
 776                 } else
 777                         pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
 778
 779                 if (first) {
 780                         /* can't statically init min when wrap is involved */
 781                         min_buf_pos = pcm_buf_dma_ofs;
 782                         newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
 783                         first = 0;
 784                 } else {
 785                         min_buf_pos =
 786                                 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
 787                         newdata = min(
 788                                 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
 789                                 newdata);
 790                 }
 791
 792                 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n",
 793                         (unsigned long)frames_to_bytes(runtime,
 794                                                 runtime->status->hw_ptr),
 795                         (unsigned long)frames_to_bytes(runtime,
 796                                                 runtime->control->appl_ptr));
 797
 798                 snd_printdd("%d S=%d, "
 799                         "rw=0x%04X, dma=0x%04X, left=0x%04X, "
 800                         "aux=0x%04X space=0x%04X\n",
 801                         s->number, state,
 802                         ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs,
 803                         (int)bytes_avail,
 804                         (int)on_card_bytes, buffer_size-bytes_avail);
 805                 loops++;
 806         }
 807         pcm_buf_dma_ofs = min_buf_pos;
 808
 809         remdata = newdata % dpcm->period_bytes;
 810         xfercount = newdata - remdata; /* a multiple of period_bytes */
 811         /* come back when on_card_bytes has decreased enough to allow
 812            write to happen, or when data has been consumed to make another
 813            period
 814         */
 815         if (xfercount && (on_card_bytes  > dpcm->period_bytes))
 816                 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
 817         else
 818                 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
 819
 820         next_jiffies = max(next_jiffies, 1U);
 821         dpcm->timer.expires = jiffies + next_jiffies;
 822         snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n",
 823                         next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
 824
 825         snd_pcm_group_for_each_entry(s, substream) {
 826                 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 827
 828                 /* don't link Cap and Play */
 829                 if (substream->stream != s->stream)
 830                         continue;
 831
 832                 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
 833
 834                 if (xfercount &&
 835                         /* Limit use of on card fifo for playback */
 836                         ((on_card_bytes <= ds->period_bytes) ||
 837                         (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
 838
 839                 {
 840
 841                         unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
 842                         unsigned int xfer1, xfer2;
 843                         char *pd = &s->runtime->dma_area[buf_ofs];
 844
 845                         if (card->can_dma) { /* buffer wrap is handled at lower level */
 846                                 xfer1 = xfercount;
 847                                 xfer2 = 0;
 848                         } else {
 849                                 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
 850                                 xfer2 = xfercount - xfer1;
 851                         }
 852
 853                         if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 854                                 snd_printddd("P%d write1 0x%04X 0x%04X\n",
 855                                         s->number, xfer1, buf_ofs);
 856                                 hpi_handle_error(
 857                                         hpi_outstream_write_buf(
 858                                                 ds->h_stream, pd, xfer1,
 859                                                 &ds->format));
 860
 861                                 if (xfer2) {
 862                                         pd = s->runtime->dma_area;
 863
 864                                         snd_printddd("P%d write2 0x%04X 0x%04X\n",
 865                                                         s->number,
 866                                                         xfercount - xfer1, buf_ofs);
 867                                         hpi_handle_error(
 868                                                 hpi_outstream_write_buf(
 869                                                         ds->h_stream, pd,
 870                                                         xfercount - xfer1,
 871                                                         &ds->format));
 872                                 }
 873                         } else {
 874                                 snd_printddd("C%d read1 0x%04x\n",
 875                                         s->number, xfer1);
 876                                 hpi_handle_error(
 877                                         hpi_instream_read_buf(
 878                                                 ds->h_stream,
 879                                                 pd, xfer1));
 880                                 if (xfer2) {
 881                                         pd = s->runtime->dma_area;
 882                                         snd_printddd("C%d read2 0x%04x\n",
 883                                                 s->number, xfer2);
 884                                         hpi_handle_error(
 885                                                 hpi_instream_read_buf(
 886                                                         ds->h_stream,
 887                                                         pd, xfer2));
 888                                 }
 889                         }
 890                         ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount;
 891                         ds->pcm_buf_elapsed_dma_ofs = pcm_buf_dma_ofs;
 892                         snd_pcm_period_elapsed(s);
 893                 }
 894         }
 895
 896         if (dpcm->respawn_timer)
 897                 add_timer(&dpcm->timer);
 898 }
 899
 900 /***************************** PLAYBACK OPS ****************/
 901 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
 902                                           unsigned int cmd, void *arg)
 903 {
 904         snd_printddd(KERN_INFO "P%d ioctl %d\n", substream->number, cmd);
 905         return snd_pcm_lib_ioctl(substream, cmd, arg);
 906 }
 907
 908 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
 909                                             substream)
 910 {
 911         struct snd_pcm_runtime *runtime = substream->runtime;
 912         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 913
 914         snd_printdd("P%d prepare\n", substream->number);
 915
 916         hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
 917         dpcm->pcm_buf_host_rw_ofs = 0;
 918         dpcm->pcm_buf_dma_ofs = 0;
 919         dpcm->pcm_buf_elapsed_dma_ofs = 0;
 920         return 0;
 921 }
 922
 923 static snd_pcm_uframes_t
 924 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
 925 {
 926         struct snd_pcm_runtime *runtime = substream->runtime;
 927         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 928         snd_pcm_uframes_t ptr;
 929
 930         ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs  % dpcm->buffer_bytes);
 931         snd_printddd("P%d pointer = 0x%04lx\n", substream->number, (unsigned long)ptr);
 932         return ptr;
 933 }
 934
 935 static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi,
 936                                                 u32 h_stream,
 937                                                 struct snd_pcm_hardware *pcmhw)
 938 {
 939         struct hpi_format hpi_format;
 940         u16 format;
 941         u16 err;
 942         u32 h_control;
 943         u32 sample_rate = 48000;
 944
 945         /* on cards without SRC, must query at valid rate,
 946         * maybe set by external sync
 947         */
 948         err = hpi_mixer_get_control(asihpi->h_mixer,
 949                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 950                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
 951
 952         if (!err)
 953                 err = hpi_sample_clock_get_sample_rate(h_control,
 954                                 &sample_rate);
 955
 956         for (format = HPI_FORMAT_PCM8_UNSIGNED;
 957              format <= HPI_FORMAT_PCM24_SIGNED; format++) {
 958                 err = hpi_format_create(&hpi_format,
 959                                         2, format, sample_rate, 128000, 0);
 960                 if (!err)
 961                         err = hpi_outstream_query_format(h_stream,
 962                                                         &hpi_format);
 963                 if (!err && (hpi_to_alsa_formats[format] != -1))
 964                         pcmhw->formats |=
 965                                 (1ULL << hpi_to_alsa_formats[format]);
 966         }
 967 }
 968
 969 static struct snd_pcm_hardware snd_card_asihpi_playback = {
 970         .channels_min = 1,
 971         .channels_max = 2,
 972         .buffer_bytes_max = BUFFER_BYTES_MAX,
 973         .period_bytes_min = PERIOD_BYTES_MIN,
 974         .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
 975         .periods_min = PERIODS_MIN,
 976         .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
 977         .fifo_size = 0,
 978 };
 979
 980 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
 981 {
 982         struct snd_pcm_runtime *runtime = substream->runtime;
 983         struct snd_card_asihpi_pcm *dpcm;
 984         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 985         int err;
 986
 987         dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
 988         if (dpcm == NULL)
 989                 return -ENOMEM;
 990
 991         err =
 992             hpi_outstream_open(card->adapter_index,
 993                               substream->number, &dpcm->h_stream);
 994         hpi_handle_error(err);
 995         if (err)
 996                 kfree(dpcm);
 997         if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
 998                 return -EBUSY;
 999         if (err)
1000                 return -EIO;
1001
1002         /*? also check ASI5000 samplerate source
1003             If external, only support external rate.
1004             If internal and other stream playing, can't switch
1005         */
1006
1007         init_timer(&dpcm->timer);
1008         dpcm->timer.data = (unsigned long) dpcm;
1009         dpcm->timer.function = snd_card_asihpi_timer_function;
1010         dpcm->substream = substream;
1011         runtime->private_data = dpcm;
1012         runtime->private_free = snd_card_asihpi_runtime_free;
1013
1014         snd_card_asihpi_playback.channels_max = card->out_max_chans;
1015         /*?snd_card_asihpi_playback.period_bytes_min =
1016         card->out_max_chans * 4096; */
1017
1018         snd_card_asihpi_playback_format(card, dpcm->h_stream,
1019                                         &snd_card_asihpi_playback);
1020
1021         snd_card_asihpi_pcm_samplerates(card,  &snd_card_asihpi_playback);
1022
1023         snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
1024                                         SNDRV_PCM_INFO_DOUBLE |
1025                                         SNDRV_PCM_INFO_BATCH |
1026                                         SNDRV_PCM_INFO_BLOCK_TRANSFER |
1027                                         SNDRV_PCM_INFO_PAUSE |
1028                                         SNDRV_PCM_INFO_MMAP |
1029                                         SNDRV_PCM_INFO_MMAP_VALID;
1030
1031         if (card->support_grouping)
1032                 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1033
1034         /* struct is copied, so can create initializer dynamically */
1035         runtime->hw = snd_card_asihpi_playback;
1036
1037         if (card->can_dma)
1038                 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1039                                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1040         if (err < 0)
1041                 return err;
1042
1043         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1044                 card->update_interval_frames);
1045
1046         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1047                 card->update_interval_frames * 2, UINT_MAX);
1048
1049         snd_pcm_set_sync(substream);
1050
1051         snd_printdd("playback open\n");
1052
1053         return 0;
1054 }
1055
1056 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1057 {
1058         struct snd_pcm_runtime *runtime = substream->runtime;
1059         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1060
1061         hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1062         snd_printdd("playback close\n");
1063
1064         return 0;
1065 }
1066
1067 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1068         .open = snd_card_asihpi_playback_open,
1069         .close = snd_card_asihpi_playback_close,
1070         .ioctl = snd_card_asihpi_playback_ioctl,
1071         .hw_params = snd_card_asihpi_pcm_hw_params,
1072         .hw_free = snd_card_asihpi_hw_free,
1073         .prepare = snd_card_asihpi_playback_prepare,
1074         .trigger = snd_card_asihpi_trigger,
1075         .pointer = snd_card_asihpi_playback_pointer,
1076 };
1077
1078 /***************************** CAPTURE OPS ****************/
1079 static snd_pcm_uframes_t
1080 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1081 {
1082         struct snd_pcm_runtime *runtime = substream->runtime;
1083         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1084
1085         snd_printddd("capture pointer %d=%d\n",
1086                         substream->number, dpcm->pcm_buf_dma_ofs);
1087         /* NOTE Unlike playback can't use actual samples_played
1088                 for the capture position, because those samples aren't yet in
1089                 the local buffer available for reading.
1090         */
1091         return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1092 }
1093
1094 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1095                                          unsigned int cmd, void *arg)
1096 {
1097         return snd_pcm_lib_ioctl(substream, cmd, arg);
1098 }
1099
1100 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1101 {
1102         struct snd_pcm_runtime *runtime = substream->runtime;
1103         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1104
1105         hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1106         dpcm->pcm_buf_host_rw_ofs = 0;
1107         dpcm->pcm_buf_dma_ofs = 0;
1108         dpcm->pcm_buf_elapsed_dma_ofs = 0;
1109
1110         snd_printdd("Capture Prepare %d\n", substream->number);
1111         return 0;
1112 }
1113
1114
1115
1116 static void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi,
1117                                         u32 h_stream,
1118                                          struct snd_pcm_hardware *pcmhw)
1119 {
1120   struct hpi_format hpi_format;
1121         u16 format;
1122         u16 err;
1123         u32 h_control;
1124         u32 sample_rate = 48000;
1125
1126         /* on cards without SRC, must query at valid rate,
1127                 maybe set by external sync */
1128         err = hpi_mixer_get_control(asihpi->h_mixer,
1129                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1130                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
1131
1132         if (!err)
1133                 err = hpi_sample_clock_get_sample_rate(h_control,
1134                         &sample_rate);
1135
1136         for (format = HPI_FORMAT_PCM8_UNSIGNED;
1137                 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1138
1139                 err = hpi_format_create(&hpi_format, 2, format,
1140                                 sample_rate, 128000, 0);
1141                 if (!err)
1142                         err = hpi_instream_query_format(h_stream,
1143                                             &hpi_format);
1144                 if (!err)
1145                         pcmhw->formats |=
1146                                 (1ULL << hpi_to_alsa_formats[format]);
1147         }
1148 }
1149
1150
1151 static struct snd_pcm_hardware snd_card_asihpi_capture = {
1152         .channels_min = 1,
1153         .channels_max = 2,
1154         .buffer_bytes_max = BUFFER_BYTES_MAX,
1155         .period_bytes_min = PERIOD_BYTES_MIN,
1156         .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
1157         .periods_min = PERIODS_MIN,
1158         .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
1159         .fifo_size = 0,
1160 };
1161
1162 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1163 {
1164         struct snd_pcm_runtime *runtime = substream->runtime;
1165         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1166         struct snd_card_asihpi_pcm *dpcm;
1167         int err;
1168
1169         dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1170         if (dpcm == NULL)
1171                 return -ENOMEM;
1172
1173         snd_printdd("capture open adapter %d stream %d\n",
1174                    card->adapter_index, substream->number);
1175
1176         err = hpi_handle_error(
1177             hpi_instream_open(card->adapter_index,
1178                              substream->number, &dpcm->h_stream));
1179         if (err)
1180                 kfree(dpcm);
1181         if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1182                 return -EBUSY;
1183         if (err)
1184                 return -EIO;
1185
1186
1187         init_timer(&dpcm->timer);
1188         dpcm->timer.data = (unsigned long) dpcm;
1189         dpcm->timer.function = snd_card_asihpi_timer_function;
1190         dpcm->substream = substream;
1191         runtime->private_data = dpcm;
1192         runtime->private_free = snd_card_asihpi_runtime_free;
1193
1194         snd_card_asihpi_capture.channels_max = card->in_max_chans;
1195         snd_card_asihpi_capture_format(card, dpcm->h_stream,
1196                                        &snd_card_asihpi_capture);
1197         snd_card_asihpi_pcm_samplerates(card,  &snd_card_asihpi_capture);
1198         snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1199                                         SNDRV_PCM_INFO_MMAP |
1200                                         SNDRV_PCM_INFO_MMAP_VALID;
1201
1202         if (card->support_grouping)
1203                 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1204
1205         runtime->hw = snd_card_asihpi_capture;
1206
1207         if (card->can_dma)
1208                 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1209                                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1210         if (err < 0)
1211                 return err;
1212
1213         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1214                 card->update_interval_frames);
1215         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1216                 card->update_interval_frames * 2, UINT_MAX);
1217
1218         snd_pcm_set_sync(substream);
1219
1220         return 0;
1221 }
1222
1223 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1224 {
1225         struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1226
1227         hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1228         return 0;
1229 }
1230
1231 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1232         .open = snd_card_asihpi_capture_open,
1233         .close = snd_card_asihpi_capture_close,
1234         .ioctl = snd_card_asihpi_capture_ioctl,
1235         .hw_params = snd_card_asihpi_pcm_hw_params,
1236         .hw_free = snd_card_asihpi_hw_free,
1237         .prepare = snd_card_asihpi_capture_prepare,
1238         .trigger = snd_card_asihpi_trigger,
1239         .pointer = snd_card_asihpi_capture_pointer,
1240 };
1241
1242 static int __devinit snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi,
1243                                       int device, int substreams)
1244 {
1245         struct snd_pcm *pcm;
1246         int err;
1247
1248         err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1249                          asihpi->num_outstreams, asihpi->num_instreams,
1250                          &pcm);
1251         if (err < 0)
1252                 return err;
1253         /* pointer to ops struct is stored, dont change ops afterwards! */
1254                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1255                                 &snd_card_asihpi_playback_mmap_ops);
1256                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1257                                 &snd_card_asihpi_capture_mmap_ops);
1258
1259         pcm->private_data = asihpi;
1260         pcm->info_flags = 0;
1261         strcpy(pcm->name, "Asihpi PCM");
1262
1263         /*? do we want to emulate MMAP for non-BBM cards?
1264         Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1265         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1266                                                 snd_dma_pci_data(asihpi->pci),
1267                                                 64*1024, BUFFER_BYTES_MAX);
1268
1269         return 0;
1270 }
1271
1272 /***************************** MIXER CONTROLS ****************/
1273 struct hpi_control {
1274         u32 h_control;
1275         u16 control_type;
1276         u16 src_node_type;
1277         u16 src_node_index;
1278         u16 dst_node_type;
1279         u16 dst_node_index;
1280         u16 band;
1281         char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
1282 };
1283
1284 static const char * const asihpi_tuner_band_names[] = {
1285         "invalid",
1286         "AM",
1287         "FM mono",
1288         "TV NTSC-M",
1289         "FM stereo",
1290         "AUX",
1291         "TV PAL BG",
1292         "TV PAL I",
1293         "TV PAL DK",
1294         "TV SECAM",
1295 };
1296
1297 compile_time_assert(
1298         (ARRAY_SIZE(asihpi_tuner_band_names) ==
1299                 (HPI_TUNER_BAND_LAST+1)),
1300         assert_tuner_band_names_size);
1301
1302 static const char * const asihpi_src_names[] = {
1303         "no source",
1304         "PCM",
1305         "Line",
1306         "Digital",
1307         "Tuner",
1308         "RF",
1309         "Clock",
1310         "Bitstream",
1311         "Mic",
1312         "Net",
1313         "Analog",
1314         "Adapter",
1315         "RTP",
1316         "GPI",
1317 };
1318
1319 compile_time_assert(
1320         (ARRAY_SIZE(asihpi_src_names) ==
1321                 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1322         assert_src_names_size);
1323
1324 static const char * const asihpi_dst_names[] = {
1325         "no destination",
1326         "PCM",
1327         "Line",
1328         "Digital",
1329         "RF",
1330         "Speaker",
1331         "Net",
1332         "Analog",
1333         "RTP",
1334         "GPO",
1335 };
1336
1337 compile_time_assert(
1338         (ARRAY_SIZE(asihpi_dst_names) ==
1339                 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1340         assert_dst_names_size);
1341
1342 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1343                                 struct snd_card_asihpi *asihpi)
1344 {
1345         int err;
1346
1347         err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1348         if (err < 0)
1349                 return err;
1350         else if (mixer_dump)
1351                 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index);
1352
1353         return 0;
1354 }
1355
1356 /* Convert HPI control name and location into ALSA control name */
1357 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1358                                 struct hpi_control *hpi_ctl,
1359                                 char *name)
1360 {
1361         char *dir;
1362         memset(snd_control, 0, sizeof(*snd_control));
1363         snd_control->name = hpi_ctl->name;
1364         snd_control->private_value = hpi_ctl->h_control;
1365         snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1366         snd_control->index = 0;
1367
1368         if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE)
1369                 dir = ""; /* clock is neither capture nor playback */
1370         else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1371                 dir = "Capture ";  /* On or towards a PCM capture destination*/
1372         else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1373                 (!hpi_ctl->dst_node_type))
1374                 dir = "Capture "; /* On a source node that is not PCM playback */
1375         else if (hpi_ctl->src_node_type &&
1376                 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1377                 (hpi_ctl->dst_node_type))
1378                 dir = "Monitor Playback "; /* Between an input and an output */
1379         else
1380                 dir = "Playback "; /* PCM Playback source, or  output node */
1381
1382         if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1383                 sprintf(hpi_ctl->name, "%s %d %s %d %s%s",
1384                         asihpi_src_names[hpi_ctl->src_node_type],
1385                         hpi_ctl->src_node_index,
1386                         asihpi_dst_names[hpi_ctl->dst_node_type],
1387                         hpi_ctl->dst_node_index,
1388                         dir, name);
1389         else if (hpi_ctl->dst_node_type) {
1390                 sprintf(hpi_ctl->name, "%s %d %s%s",
1391                 asihpi_dst_names[hpi_ctl->dst_node_type],
1392                 hpi_ctl->dst_node_index,
1393                 dir, name);
1394         } else {
1395                 sprintf(hpi_ctl->name, "%s %d %s%s",
1396                 asihpi_src_names[hpi_ctl->src_node_type],
1397                 hpi_ctl->src_node_index,
1398                 dir, name);
1399         }
1400         /* printk(KERN_INFO "Adding %s %d to %d ",  hpi_ctl->name,
1401                 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1402 }
1403
1404 /*------------------------------------------------------------
1405    Volume controls
1406  ------------------------------------------------------------*/
1407 #define VOL_STEP_mB 1
1408 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1409                                   struct snd_ctl_elem_info *uinfo)
1410 {
1411         u32 h_control = kcontrol->private_value;
1412         u16 err;
1413         /* native gains are in millibels */
1414         short min_gain_mB;
1415         short max_gain_mB;
1416         short step_gain_mB;
1417
1418         err = hpi_volume_query_range(h_control,
1419                         &min_gain_mB, &max_gain_mB, &step_gain_mB);
1420         if (err) {
1421                 max_gain_mB = 0;
1422                 min_gain_mB = -10000;
1423                 step_gain_mB = VOL_STEP_mB;
1424         }
1425
1426         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1427         uinfo->count = 2;
1428         uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1429         uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1430         uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1431         return 0;
1432 }
1433
1434 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1435                                  struct snd_ctl_elem_value *ucontrol)
1436 {
1437         u32 h_control = kcontrol->private_value;
1438         short an_gain_mB[HPI_MAX_CHANNELS];
1439
1440         hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1441         ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1442         ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1443
1444         return 0;
1445 }
1446
1447 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1448                                  struct snd_ctl_elem_value *ucontrol)
1449 {
1450         int change;
1451         u32 h_control = kcontrol->private_value;
1452         short an_gain_mB[HPI_MAX_CHANNELS];
1453
1454         an_gain_mB[0] =
1455             (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1456         an_gain_mB[1] =
1457             (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1458         /*  change = asihpi->mixer_volume[addr][0] != left ||
1459            asihpi->mixer_volume[addr][1] != right;
1460          */
1461         change = 1;
1462         hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1463         return change;
1464 }
1465
1466 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1467
1468 #define snd_asihpi_volume_mute_info     snd_ctl_boolean_mono_info
1469
1470 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1471                                  struct snd_ctl_elem_value *ucontrol)
1472 {
1473         u32 h_control = kcontrol->private_value;
1474         u32 mute;
1475
1476         hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1477         ucontrol->value.integer.value[0] = mute ? 0 : 1;
1478
1479         return 0;
1480 }
1481
1482 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1483                                  struct snd_ctl_elem_value *ucontrol)
1484 {
1485         u32 h_control = kcontrol->private_value;
1486         int change = 1;
1487         /* HPI currently only supports all or none muting of multichannel volume
1488         ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1489         */
1490         int mute =  ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1491         hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1492         return change;
1493 }
1494
1495 static int __devinit snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1496                                         struct hpi_control *hpi_ctl)
1497 {
1498         struct snd_card *card = asihpi->card;
1499         struct snd_kcontrol_new snd_control;
1500         int err;
1501         u32 mute;
1502
1503         asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1504         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1505                                 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1506         snd_control.info = snd_asihpi_volume_info;
1507         snd_control.get = snd_asihpi_volume_get;
1508         snd_control.put = snd_asihpi_volume_put;
1509         snd_control.tlv.p = db_scale_100;
1510
1511         err = ctl_add(card, &snd_control, asihpi);
1512         if (err)
1513                 return err;
1514
1515         if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1516                 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1517                 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1518                 snd_control.info = snd_asihpi_volume_mute_info;
1519                 snd_control.get = snd_asihpi_volume_mute_get;
1520                 snd_control.put = snd_asihpi_volume_mute_put;
1521                 err = ctl_add(card, &snd_control, asihpi);
1522         }
1523         return err;
1524 }
1525
1526 /*------------------------------------------------------------
1527    Level controls
1528  ------------------------------------------------------------*/
1529 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1530                                  struct snd_ctl_elem_info *uinfo)
1531 {
1532         u32 h_control = kcontrol->private_value;
1533         u16 err;
1534         short min_gain_mB;
1535         short max_gain_mB;
1536         short step_gain_mB;
1537
1538         err =
1539             hpi_level_query_range(h_control, &min_gain_mB,
1540                                &max_gain_mB, &step_gain_mB);
1541         if (err) {
1542                 max_gain_mB = 2400;
1543                 min_gain_mB = -1000;
1544                 step_gain_mB = 100;
1545         }
1546
1547         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1548         uinfo->count = 2;
1549         uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1550         uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1551         uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1552         return 0;
1553 }
1554
1555 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1556                                 struct snd_ctl_elem_value *ucontrol)
1557 {
1558         u32 h_control = kcontrol->private_value;
1559         short an_gain_mB[HPI_MAX_CHANNELS];
1560
1561         hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1562         ucontrol->value.integer.value[0] =
1563             an_gain_mB[0] / HPI_UNITS_PER_dB;
1564         ucontrol->value.integer.value[1] =
1565             an_gain_mB[1] / HPI_UNITS_PER_dB;
1566
1567         return 0;
1568 }
1569
1570 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1571                                 struct snd_ctl_elem_value *ucontrol)
1572 {
1573         int change;
1574         u32 h_control = kcontrol->private_value;
1575         short an_gain_mB[HPI_MAX_CHANNELS];
1576
1577         an_gain_mB[0] =
1578             (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1579         an_gain_mB[1] =
1580             (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1581         /*  change = asihpi->mixer_level[addr][0] != left ||
1582            asihpi->mixer_level[addr][1] != right;
1583          */
1584         change = 1;
1585         hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1586         return change;
1587 }
1588
1589 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1590
1591 static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1592                                         struct hpi_control *hpi_ctl)
1593 {
1594         struct snd_card *card = asihpi->card;
1595         struct snd_kcontrol_new snd_control;
1596
1597         /* can't use 'volume' cos some nodes have volume as well */
1598         asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1599         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1600                                 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1601         snd_control.info = snd_asihpi_level_info;
1602         snd_control.get = snd_asihpi_level_get;
1603         snd_control.put = snd_asihpi_level_put;
1604         snd_control.tlv.p = db_scale_level;
1605
1606         return ctl_add(card, &snd_control, asihpi);
1607 }
1608
1609 /*------------------------------------------------------------
1610    AESEBU controls
1611  ------------------------------------------------------------*/
1612
1613 /* AESEBU format */
1614 static const char * const asihpi_aesebu_format_names[] = {
1615         "N/A", "S/PDIF", "AES/EBU" };
1616
1617 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1618                                   struct snd_ctl_elem_info *uinfo)
1619 {
1620         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1621         uinfo->count = 1;
1622         uinfo->value.enumerated.items = 3;
1623
1624         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1625                 uinfo->value.enumerated.item =
1626                         uinfo->value.enumerated.items - 1;
1627
1628         strcpy(uinfo->value.enumerated.name,
1629                 asihpi_aesebu_format_names[uinfo->value.enumerated.item]);
1630
1631         return 0;
1632 }
1633
1634 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1635                         struct snd_ctl_elem_value *ucontrol,
1636                         u16 (*func)(u32, u16 *))
1637 {
1638         u32 h_control = kcontrol->private_value;
1639         u16 source, err;
1640
1641         err = func(h_control, &source);
1642
1643         /* default to N/A */
1644         ucontrol->value.enumerated.item[0] = 0;
1645         /* return success but set the control to N/A */
1646         if (err)
1647                 return 0;
1648         if (source == HPI_AESEBU_FORMAT_SPDIF)
1649                 ucontrol->value.enumerated.item[0] = 1;
1650         if (source == HPI_AESEBU_FORMAT_AESEBU)
1651                 ucontrol->value.enumerated.item[0] = 2;
1652
1653         return 0;
1654 }
1655
1656 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1657                         struct snd_ctl_elem_value *ucontrol,
1658                          u16 (*func)(u32, u16))
1659 {
1660         u32 h_control = kcontrol->private_value;
1661
1662         /* default to S/PDIF */
1663         u16 source = HPI_AESEBU_FORMAT_SPDIF;
1664
1665         if (ucontrol->value.enumerated.item[0] == 1)
1666                 source = HPI_AESEBU_FORMAT_SPDIF;
1667         if (ucontrol->value.enumerated.item[0] == 2)
1668                 source = HPI_AESEBU_FORMAT_AESEBU;
1669
1670         if (func(h_control, source) != 0)
1671                 return -EINVAL;
1672
1673         return 1;
1674 }
1675
1676 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1677                                  struct snd_ctl_elem_value *ucontrol) {
1678         return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1679                                         hpi_aesebu_receiver_get_format);
1680 }
1681
1682 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1683                                  struct snd_ctl_elem_value *ucontrol) {
1684         return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1685                                         hpi_aesebu_receiver_set_format);
1686 }
1687
1688 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1689                                   struct snd_ctl_elem_info *uinfo)
1690 {
1691         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1692         uinfo->count = 1;
1693
1694         uinfo->value.integer.min = 0;
1695         uinfo->value.integer.max = 0X1F;
1696         uinfo->value.integer.step = 1;
1697
1698         return 0;
1699 }
1700
1701 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1702                                  struct snd_ctl_elem_value *ucontrol) {
1703
1704         u32 h_control = kcontrol->private_value;
1705         u16 status;
1706
1707         hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1708                                          h_control, &status));
1709         ucontrol->value.integer.value[0] = status;
1710         return 0;
1711 }
1712
1713 static int __devinit snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1714                                         struct hpi_control *hpi_ctl)
1715 {
1716         struct snd_card *card = asihpi->card;
1717         struct snd_kcontrol_new snd_control;
1718
1719         asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1720         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1721         snd_control.info = snd_asihpi_aesebu_format_info;
1722         snd_control.get = snd_asihpi_aesebu_rx_format_get;
1723         snd_control.put = snd_asihpi_aesebu_rx_format_put;
1724
1725
1726         if (ctl_add(card, &snd_control, asihpi) < 0)
1727                 return -EINVAL;
1728
1729         asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1730         snd_control.access =
1731             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1732         snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1733         snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1734
1735         return ctl_add(card, &snd_control, asihpi);
1736 }
1737
1738 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1739                                  struct snd_ctl_elem_value *ucontrol) {
1740         return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1741                                         hpi_aesebu_transmitter_get_format);
1742 }
1743
1744 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1745                                  struct snd_ctl_elem_value *ucontrol) {
1746         return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1747                                         hpi_aesebu_transmitter_set_format);
1748 }
1749
1750
1751 static int __devinit snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1752                                         struct hpi_control *hpi_ctl)
1753 {
1754         struct snd_card *card = asihpi->card;
1755         struct snd_kcontrol_new snd_control;
1756
1757         asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1758         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1759         snd_control.info = snd_asihpi_aesebu_format_info;
1760         snd_control.get = snd_asihpi_aesebu_tx_format_get;
1761         snd_control.put = snd_asihpi_aesebu_tx_format_put;
1762
1763         return ctl_add(card, &snd_control, asihpi);
1764 }
1765
1766 /*------------------------------------------------------------
1767    Tuner controls
1768  ------------------------------------------------------------*/
1769
1770 /* Gain */
1771
1772 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1773                                   struct snd_ctl_elem_info *uinfo)
1774 {
1775         u32 h_control = kcontrol->private_value;
1776         u16 err;
1777         short idx;
1778         u16 gain_range[3];
1779
1780         for (idx = 0; idx < 3; idx++) {
1781                 err = hpi_tuner_query_gain(h_control,
1782                                           idx, &gain_range[idx]);
1783                 if (err != 0)
1784                         return err;
1785         }
1786
1787         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1788         uinfo->count = 1;
1789         uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1790         uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1791         uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1792         return 0;
1793 }
1794
1795 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1796                                  struct snd_ctl_elem_value *ucontrol)
1797 {
1798         /*
1799         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1800         */
1801         u32 h_control = kcontrol->private_value;
1802         short gain;
1803
1804         hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1805         ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1806
1807         return 0;
1808 }
1809
1810 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1811                                  struct snd_ctl_elem_value *ucontrol)
1812 {
1813         /*
1814         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1815         */
1816         u32 h_control = kcontrol->private_value;
1817         short gain;
1818
1819         gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1820         hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1821
1822         return 1;
1823 }
1824
1825 /* Band  */
1826
1827 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1828                                         u16 *band_list, u32 len) {
1829         u32 h_control = kcontrol->private_value;
1830         u16 err = 0;
1831         u32 i;
1832
1833         for (i = 0; i < len; i++) {
1834                 err = hpi_tuner_query_band(
1835                                 h_control, i, &band_list[i]);
1836                 if (err != 0)
1837                         break;
1838         }
1839
1840         if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1841                 return -EIO;
1842
1843         return i;
1844 }
1845
1846 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1847                                   struct snd_ctl_elem_info *uinfo)
1848 {
1849         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1850         int num_bands = 0;
1851
1852         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1853                                 HPI_TUNER_BAND_LAST);
1854
1855         if (num_bands < 0)
1856                 return num_bands;
1857
1858         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1859         uinfo->count = 1;
1860         uinfo->value.enumerated.items = num_bands;
1861
1862         if (num_bands > 0) {
1863                 if (uinfo->value.enumerated.item >=
1864                                         uinfo->value.enumerated.items)
1865                         uinfo->value.enumerated.item =
1866                                 uinfo->value.enumerated.items - 1;
1867
1868                 strcpy(uinfo->value.enumerated.name,
1869                         asihpi_tuner_band_names[
1870                                 tuner_bands[uinfo->value.enumerated.item]]);
1871
1872         }
1873         return 0;
1874 }
1875
1876 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1877                                  struct snd_ctl_elem_value *ucontrol)
1878 {
1879         u32 h_control = kcontrol->private_value;
1880         /*
1881         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1882         */
1883         u16 band, idx;
1884         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1885         u32 num_bands = 0;
1886
1887         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1888                                 HPI_TUNER_BAND_LAST);
1889
1890         hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1891
1892         ucontrol->value.enumerated.item[0] = -1;
1893         for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1894                 if (tuner_bands[idx] == band) {
1895                         ucontrol->value.enumerated.item[0] = idx;
1896                         break;
1897                 }
1898
1899         return 0;
1900 }
1901
1902 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1903                                  struct snd_ctl_elem_value *ucontrol)
1904 {
1905         /*
1906         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1907         */
1908         u32 h_control = kcontrol->private_value;
1909         u16 band;
1910         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1911         u32 num_bands = 0;
1912
1913         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1914                         HPI_TUNER_BAND_LAST);
1915
1916         band = tuner_bands[ucontrol->value.enumerated.item[0]];
1917         hpi_handle_error(hpi_tuner_set_band(h_control, band));
1918
1919         return 1;
1920 }
1921
1922 /* Freq */
1923
1924 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1925                                   struct snd_ctl_elem_info *uinfo)
1926 {
1927         u32 h_control = kcontrol->private_value;
1928         u16 err;
1929         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1930         u16 num_bands = 0, band_iter, idx;
1931         u32 freq_range[3], temp_freq_range[3];
1932
1933         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1934                         HPI_TUNER_BAND_LAST);
1935
1936         freq_range[0] = INT_MAX;
1937         freq_range[1] = 0;
1938         freq_range[2] = INT_MAX;
1939
1940         for (band_iter = 0; band_iter < num_bands; band_iter++) {
1941                 for (idx = 0; idx < 3; idx++) {
1942                         err = hpi_tuner_query_frequency(h_control,
1943                                 idx, tuner_bands[band_iter],
1944                                 &temp_freq_range[idx]);
1945                         if (err != 0)
1946                                 return err;
1947                 }
1948
1949                 /* skip band with bogus stepping */
1950                 if (temp_freq_range[2] <= 0)
1951                         continue;
1952
1953                 if (temp_freq_range[0] < freq_range[0])
1954                         freq_range[0] = temp_freq_range[0];
1955                 if (temp_freq_range[1] > freq_range[1])
1956                         freq_range[1] = temp_freq_range[1];
1957                 if (temp_freq_range[2] < freq_range[2])
1958                         freq_range[2] = temp_freq_range[2];
1959         }
1960
1961         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1962         uinfo->count = 1;
1963         uinfo->value.integer.min = ((int)freq_range[0]);
1964         uinfo->value.integer.max = ((int)freq_range[1]);
1965         uinfo->value.integer.step = ((int)freq_range[2]);
1966         return 0;
1967 }
1968
1969 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
1970                                  struct snd_ctl_elem_value *ucontrol)
1971 {
1972         u32 h_control = kcontrol->private_value;
1973         u32 freq;
1974
1975         hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
1976         ucontrol->value.integer.value[0] = freq;
1977
1978         return 0;
1979 }
1980
1981 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
1982                                  struct snd_ctl_elem_value *ucontrol)
1983 {
1984         u32 h_control = kcontrol->private_value;
1985         u32 freq;
1986
1987         freq = ucontrol->value.integer.value[0];
1988         hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
1989
1990         return 1;
1991 }
1992
1993 /* Tuner control group initializer  */
1994 static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
1995                                         struct hpi_control *hpi_ctl)
1996 {
1997         struct snd_card *card = asihpi->card;
1998         struct snd_kcontrol_new snd_control;
1999
2000         snd_control.private_value = hpi_ctl->h_control;
2001         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2002
2003         if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2004                 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2005                 snd_control.info = snd_asihpi_tuner_gain_info;
2006                 snd_control.get = snd_asihpi_tuner_gain_get;
2007                 snd_control.put = snd_asihpi_tuner_gain_put;
2008
2009                 if (ctl_add(card, &snd_control, asihpi) < 0)
2010                         return -EINVAL;
2011         }
2012
2013         asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2014         snd_control.info = snd_asihpi_tuner_band_info;
2015         snd_control.get = snd_asihpi_tuner_band_get;
2016         snd_control.put = snd_asihpi_tuner_band_put;
2017
2018         if (ctl_add(card, &snd_control, asihpi) < 0)
2019                 return -EINVAL;
2020
2021         asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2022         snd_control.info = snd_asihpi_tuner_freq_info;
2023         snd_control.get = snd_asihpi_tuner_freq_get;
2024         snd_control.put = snd_asihpi_tuner_freq_put;
2025
2026         return ctl_add(card, &snd_control, asihpi);
2027 }
2028
2029 /*------------------------------------------------------------
2030    Meter controls
2031  ------------------------------------------------------------*/
2032 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2033                                  struct snd_ctl_elem_info *uinfo)
2034 {
2035         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2036         uinfo->count = HPI_MAX_CHANNELS;
2037         uinfo->value.integer.min = 0;
2038         uinfo->value.integer.max = 0x7FFFFFFF;
2039         return 0;
2040 }
2041
2042 /* linear values for 10dB steps */
2043 static int log2lin[] = {
2044         0x7FFFFFFF, /* 0dB */
2045         679093956,
2046         214748365,
2047          67909396,
2048          21474837,
2049           6790940,
2050           2147484, /* -60dB */
2051            679094,
2052            214748, /* -80 */
2053             67909,
2054             21475, /* -100 */
2055              6791,
2056              2147,
2057               679,
2058               214,
2059                68,
2060                21,
2061                 7,
2062                 2
2063 };
2064
2065 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2066                                 struct snd_ctl_elem_value *ucontrol)
2067 {
2068         u32 h_control = kcontrol->private_value;
2069         short an_gain_mB[HPI_MAX_CHANNELS], i;
2070         u16 err;
2071
2072         err = hpi_meter_get_peak(h_control, an_gain_mB);
2073
2074         for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2075                 if (err) {
2076                         ucontrol->value.integer.value[i] = 0;
2077                 } else if (an_gain_mB[i] >= 0) {
2078                         ucontrol->value.integer.value[i] =
2079                                 an_gain_mB[i] << 16;
2080                 } else {
2081                         /* -ve is log value in millibels < -60dB,
2082                         * convert to (roughly!) linear,
2083                         */
2084                         ucontrol->value.integer.value[i] =
2085                                         log2lin[an_gain_mB[i] / -1000];
2086                 }
2087         }
2088         return 0;
2089 }
2090
2091 static int __devinit snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2092                                         struct hpi_control *hpi_ctl, int subidx)
2093 {
2094         struct snd_card *card = asihpi->card;
2095         struct snd_kcontrol_new snd_control;
2096
2097         asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2098         snd_control.access =
2099             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2100         snd_control.info = snd_asihpi_meter_info;
2101         snd_control.get = snd_asihpi_meter_get;
2102
2103         snd_control.index = subidx;
2104
2105         return ctl_add(card, &snd_control, asihpi);
2106 }
2107
2108 /*------------------------------------------------------------
2109    Multiplexer controls
2110  ------------------------------------------------------------*/
2111 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2112 {
2113         u32 h_control = snd_control->private_value;
2114         struct hpi_control hpi_ctl;
2115         int s, err;
2116         for (s = 0; s < 32; s++) {
2117                 err = hpi_multiplexer_query_source(h_control, s,
2118                                                   &hpi_ctl.
2119                                                   src_node_type,
2120                                                   &hpi_ctl.
2121                                                   src_node_index);
2122                 if (err)
2123                         break;
2124         }
2125         return s;
2126 }
2127
2128 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2129                                struct snd_ctl_elem_info *uinfo)
2130 {
2131         int err;
2132         u16 src_node_type, src_node_index;
2133         u32 h_control = kcontrol->private_value;
2134
2135         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2136         uinfo->count = 1;
2137         uinfo->value.enumerated.items =
2138             snd_card_asihpi_mux_count_sources(kcontrol);
2139
2140         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2141                 uinfo->value.enumerated.item =
2142                     uinfo->value.enumerated.items - 1;
2143
2144         err =
2145             hpi_multiplexer_query_source(h_control,
2146                                         uinfo->value.enumerated.item,
2147                                         &src_node_type, &src_node_index);
2148
2149         sprintf(uinfo->value.enumerated.name, "%s %d",
2150                 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2151                 src_node_index);
2152         return 0;
2153 }
2154
2155 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2156                               struct snd_ctl_elem_value *ucontrol)
2157 {
2158         u32 h_control = kcontrol->private_value;
2159         u16 source_type, source_index;
2160         u16 src_node_type, src_node_index;
2161         int s;
2162
2163         hpi_handle_error(hpi_multiplexer_get_source(h_control,
2164                                 &source_type, &source_index));
2165         /* Should cache this search result! */
2166         for (s = 0; s < 256; s++) {
2167                 if (hpi_multiplexer_query_source(h_control, s,
2168                                             &src_node_type, &src_node_index))
2169                         break;
2170
2171                 if ((source_type == src_node_type)
2172                     && (source_index == src_node_index)) {
2173                         ucontrol->value.enumerated.item[0] = s;
2174                         return 0;
2175                 }
2176         }
2177         snd_printd(KERN_WARNING
2178                 "Control %x failed to match mux source %hu %hu\n",
2179                 h_control, source_type, source_index);
2180         ucontrol->value.enumerated.item[0] = 0;
2181         return 0;
2182 }
2183
2184 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2185                               struct snd_ctl_elem_value *ucontrol)
2186 {
2187         int change;
2188         u32 h_control = kcontrol->private_value;
2189         u16 source_type, source_index;
2190         u16 e;
2191
2192         change = 1;
2193
2194         e = hpi_multiplexer_query_source(h_control,
2195                                     ucontrol->value.enumerated.item[0],
2196                                     &source_type, &source_index);
2197         if (!e)
2198                 hpi_handle_error(
2199                         hpi_multiplexer_set_source(h_control,
2200                                                 source_type, source_index));
2201         return change;
2202 }
2203
2204
2205 static int  __devinit snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2206                                         struct hpi_control *hpi_ctl)
2207 {
2208         struct snd_card *card = asihpi->card;
2209         struct snd_kcontrol_new snd_control;
2210
2211         asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2212         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2213         snd_control.info = snd_asihpi_mux_info;
2214         snd_control.get = snd_asihpi_mux_get;
2215         snd_control.put = snd_asihpi_mux_put;
2216
2217         return ctl_add(card, &snd_control, asihpi);
2218
2219 }
2220
2221 /*------------------------------------------------------------
2222    Channel mode controls
2223  ------------------------------------------------------------*/
2224 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2225                                  struct snd_ctl_elem_info *uinfo)
2226 {
2227         static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2228                 "invalid",
2229                 "Normal", "Swap",
2230                 "From Left", "From Right",
2231                 "To Left", "To Right"
2232         };
2233
2234         u32 h_control = kcontrol->private_value;
2235         u16 mode;
2236         int i;
2237         u16 mode_map[6];
2238         int valid_modes = 0;
2239
2240         /* HPI channel mode values can be from 1 to 6
2241         Some adapters only support a contiguous subset
2242         */
2243         for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2244                 if (!hpi_channel_mode_query_mode(
2245                         h_control, i, &mode)) {
2246                         mode_map[valid_modes] = mode;
2247                         valid_modes++;
2248                         }
2249
2250         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2251         uinfo->count = 1;
2252         uinfo->value.enumerated.items = valid_modes;
2253
2254         if (uinfo->value.enumerated.item >= valid_modes)
2255                 uinfo->value.enumerated.item = valid_modes - 1;
2256
2257         strcpy(uinfo->value.enumerated.name,
2258                mode_names[mode_map[uinfo->value.enumerated.item]]);
2259
2260         return 0;
2261 }
2262
2263 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2264                                 struct snd_ctl_elem_value *ucontrol)
2265 {
2266         u32 h_control = kcontrol->private_value;
2267         u16 mode;
2268
2269         if (hpi_channel_mode_get(h_control, &mode))
2270                 mode = 1;
2271
2272         ucontrol->value.enumerated.item[0] = mode - 1;
2273
2274         return 0;
2275 }
2276
2277 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2278                                 struct snd_ctl_elem_value *ucontrol)
2279 {
2280         int change;
2281         u32 h_control = kcontrol->private_value;
2282
2283         change = 1;
2284
2285         hpi_handle_error(hpi_channel_mode_set(h_control,
2286                            ucontrol->value.enumerated.item[0] + 1));
2287         return change;
2288 }
2289
2290
2291 static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2292                                         struct hpi_control *hpi_ctl)
2293 {
2294         struct snd_card *card = asihpi->card;
2295         struct snd_kcontrol_new snd_control;
2296
2297         asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2298         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2299         snd_control.info = snd_asihpi_cmode_info;
2300         snd_control.get = snd_asihpi_cmode_get;
2301         snd_control.put = snd_asihpi_cmode_put;
2302
2303         return ctl_add(card, &snd_control, asihpi);
2304 }
2305
2306 /*------------------------------------------------------------
2307    Sampleclock source  controls
2308  ------------------------------------------------------------*/
2309 static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
2310         "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2311         "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2312         "Prev Module",
2313         "Digital2", "Digital3", "Digital4", "Digital5",
2314         "Digital6", "Digital7", "Digital8"};
2315
2316 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2317                                   struct snd_ctl_elem_info *uinfo)
2318 {
2319         struct snd_card_asihpi *asihpi =
2320                         (struct snd_card_asihpi *)(kcontrol->private_data);
2321         struct clk_cache *clkcache = &asihpi->cc;
2322         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2323         uinfo->count = 1;
2324         uinfo->value.enumerated.items = clkcache->count;
2325
2326         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2327                 uinfo->value.enumerated.item =
2328                                 uinfo->value.enumerated.items - 1;
2329
2330         strcpy(uinfo->value.enumerated.name,
2331                clkcache->s[uinfo->value.enumerated.item].name);
2332         return 0;
2333 }
2334
2335 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2336                                  struct snd_ctl_elem_value *ucontrol)
2337 {
2338         struct snd_card_asihpi *asihpi =
2339                         (struct snd_card_asihpi *)(kcontrol->private_data);
2340         struct clk_cache *clkcache = &asihpi->cc;
2341         u32 h_control = kcontrol->private_value;
2342         u16 source, srcindex = 0;
2343         int i;
2344
2345         ucontrol->value.enumerated.item[0] = 0;
2346         if (hpi_sample_clock_get_source(h_control, &source))
2347                 source = 0;
2348
2349         if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2350                 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2351                         srcindex = 0;
2352
2353         for (i = 0; i < clkcache->count; i++)
2354                 if ((clkcache->s[i].source == source) &&
2355                         (clkcache->s[i].index == srcindex))
2356                         break;
2357
2358         ucontrol->value.enumerated.item[0] = i;
2359
2360         return 0;
2361 }
2362
2363 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2364                                  struct snd_ctl_elem_value *ucontrol)
2365 {
2366         struct snd_card_asihpi *asihpi =
2367                         (struct snd_card_asihpi *)(kcontrol->private_data);
2368         struct clk_cache *clkcache = &asihpi->cc;
2369         int change, item;
2370         u32 h_control = kcontrol->private_value;
2371
2372         change = 1;
2373         item = ucontrol->value.enumerated.item[0];
2374         if (item >= clkcache->count)
2375                 item = clkcache->count-1;
2376
2377         hpi_handle_error(hpi_sample_clock_set_source(
2378                                 h_control, clkcache->s[item].source));
2379
2380         if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2381                 hpi_handle_error(hpi_sample_clock_set_source_index(
2382                                 h_control, clkcache->s[item].index));
2383         return change;
2384 }
2385
2386 /*------------------------------------------------------------
2387    Clkrate controls
2388  ------------------------------------------------------------*/
2389 /* Need to change this to enumerated control with list of rates */
2390 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2391                                    struct snd_ctl_elem_info *uinfo)
2392 {
2393         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2394         uinfo->count = 1;
2395         uinfo->value.integer.min = 8000;
2396         uinfo->value.integer.max = 192000;
2397         uinfo->value.integer.step = 100;
2398
2399         return 0;
2400 }
2401
2402 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2403                                   struct snd_ctl_elem_value *ucontrol)
2404 {
2405         u32 h_control = kcontrol->private_value;
2406         u32 rate;
2407         u16 e;
2408
2409         e = hpi_sample_clock_get_local_rate(h_control, &rate);
2410         if (!e)
2411                 ucontrol->value.integer.value[0] = rate;
2412         else
2413                 ucontrol->value.integer.value[0] = 0;
2414         return 0;
2415 }
2416
2417 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2418                                   struct snd_ctl_elem_value *ucontrol)
2419 {
2420         int change;
2421         u32 h_control = kcontrol->private_value;
2422
2423         /*  change = asihpi->mixer_clkrate[addr][0] != left ||
2424            asihpi->mixer_clkrate[addr][1] != right;
2425          */
2426         change = 1;
2427         hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2428                                       ucontrol->value.integer.value[0]));
2429         return change;
2430 }
2431
2432 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2433                                    struct snd_ctl_elem_info *uinfo)
2434 {
2435         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2436         uinfo->count = 1;
2437         uinfo->value.integer.min = 8000;
2438         uinfo->value.integer.max = 192000;
2439         uinfo->value.integer.step = 100;
2440
2441         return 0;
2442 }
2443
2444 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2445                                   struct snd_ctl_elem_value *ucontrol)
2446 {
2447         u32 h_control = kcontrol->private_value;
2448         u32 rate;
2449         u16 e;
2450
2451         e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2452         if (!e)
2453                 ucontrol->value.integer.value[0] = rate;
2454         else
2455                 ucontrol->value.integer.value[0] = 0;
2456         return 0;
2457 }
2458
2459 static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2460                                         struct hpi_control *hpi_ctl)
2461 {
2462         struct snd_card *card = asihpi->card;
2463         struct snd_kcontrol_new snd_control;
2464
2465         struct clk_cache *clkcache = &asihpi->cc;
2466         u32 hSC =  hpi_ctl->h_control;
2467         int has_aes_in = 0;
2468         int i, j;
2469         u16 source;
2470
2471         snd_control.private_value = hpi_ctl->h_control;
2472
2473         clkcache->has_local = 0;
2474
2475         for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2476                 if  (hpi_sample_clock_query_source(hSC,
2477                                 i, &source))
2478                         break;
2479                 clkcache->s[i].source = source;
2480                 clkcache->s[i].index = 0;
2481                 clkcache->s[i].name = sampleclock_sources[source];
2482                 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2483                         has_aes_in = 1;
2484                 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2485                         clkcache->has_local = 1;
2486         }
2487         if (has_aes_in)
2488                 /* already will have picked up index 0 above */
2489                 for (j = 1; j < 8; j++) {
2490                         if (hpi_sample_clock_query_source_index(hSC,
2491                                 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2492                                 &source))
2493                                 break;
2494                         clkcache->s[i].source =
2495                                 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2496                         clkcache->s[i].index = j;
2497                         clkcache->s[i].name = sampleclock_sources[
2498                                         j+HPI_SAMPLECLOCK_SOURCE_LAST];
2499                         i++;
2500                 }
2501         clkcache->count = i;
2502
2503         asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2504         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2505         snd_control.info = snd_asihpi_clksrc_info;
2506         snd_control.get = snd_asihpi_clksrc_get;
2507         snd_control.put = snd_asihpi_clksrc_put;
2508         if (ctl_add(card, &snd_control, asihpi) < 0)
2509                 return -EINVAL;
2510
2511
2512         if (clkcache->has_local) {
2513                 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2514                 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2515                 snd_control.info = snd_asihpi_clklocal_info;
2516                 snd_control.get = snd_asihpi_clklocal_get;
2517                 snd_control.put = snd_asihpi_clklocal_put;
2518
2519
2520                 if (ctl_add(card, &snd_control, asihpi) < 0)
2521                         return -EINVAL;
2522         }
2523
2524         asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2525         snd_control.access =
2526             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2527         snd_control.info = snd_asihpi_clkrate_info;
2528         snd_control.get = snd_asihpi_clkrate_get;
2529
2530         return ctl_add(card, &snd_control, asihpi);
2531 }
2532 /*------------------------------------------------------------
2533    Mixer
2534  ------------------------------------------------------------*/
2535
2536 static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2537 {
2538         struct snd_card *card = asihpi->card;
2539         unsigned int idx = 0;
2540         unsigned int subindex = 0;
2541         int err;
2542         struct hpi_control hpi_ctl, prev_ctl;
2543
2544         if (snd_BUG_ON(!asihpi))
2545                 return -EINVAL;
2546         strcpy(card->mixername, "Asihpi Mixer");
2547
2548         err =
2549             hpi_mixer_open(asihpi->adapter_index,
2550                           &asihpi->h_mixer);
2551         hpi_handle_error(err);
2552         if (err)
2553                 return -err;
2554
2555         memset(&prev_ctl, 0, sizeof(prev_ctl));
2556         prev_ctl.control_type = -1;
2557
2558         for (idx = 0; idx < 2000; idx++) {
2559                 err = hpi_mixer_get_control_by_index(
2560                                 asihpi->h_mixer,
2561                                 idx,
2562                                 &hpi_ctl.src_node_type,
2563                                 &hpi_ctl.src_node_index,
2564                                 &hpi_ctl.dst_node_type,
2565                                 &hpi_ctl.dst_node_index,
2566                                 &hpi_ctl.control_type,
2567                                 &hpi_ctl.h_control);
2568                 if (err) {
2569                         if (err == HPI_ERROR_CONTROL_DISABLED) {
2570                                 if (mixer_dump)
2571                                         snd_printk(KERN_INFO
2572                                                    "Disabled HPI Control(%d)\n",
2573                                                    idx);
2574                                 continue;
2575                         } else
2576                                 break;
2577
2578                 }
2579
2580                 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2581                 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2582
2583                 /* ASI50xx in SSX mode has multiple meters on the same node.
2584                    Use subindex to create distinct ALSA controls
2585                    for any duplicated controls.
2586                 */
2587                 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2588                     (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2589                     (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2590                     (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2591                     (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2592                         subindex++;
2593                 else
2594                         subindex = 0;
2595
2596                 prev_ctl = hpi_ctl;
2597
2598                 switch (hpi_ctl.control_type) {
2599                 case HPI_CONTROL_VOLUME:
2600                         err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2601                         break;
2602                 case HPI_CONTROL_LEVEL:
2603                         err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2604                         break;
2605                 case HPI_CONTROL_MULTIPLEXER:
2606                         err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2607                         break;
2608                 case HPI_CONTROL_CHANNEL_MODE:
2609                         err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2610                         break;
2611                 case HPI_CONTROL_METER:
2612                         err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2613                         break;
2614                 case HPI_CONTROL_SAMPLECLOCK:
2615                         err = snd_asihpi_sampleclock_add(
2616                                                 asihpi, &hpi_ctl);
2617                         break;
2618                 case HPI_CONTROL_CONNECTION:    /* ignore these */
2619                         continue;
2620                 case HPI_CONTROL_TUNER:
2621                         err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2622                         break;
2623                 case HPI_CONTROL_AESEBU_TRANSMITTER:
2624                         err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2625                         break;
2626                 case HPI_CONTROL_AESEBU_RECEIVER:
2627                         err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2628                         break;
2629                 case HPI_CONTROL_VOX:
2630                 case HPI_CONTROL_BITSTREAM:
2631                 case HPI_CONTROL_MICROPHONE:
2632                 case HPI_CONTROL_PARAMETRIC_EQ:
2633                 case HPI_CONTROL_COMPANDER:
2634                 default:
2635                         if (mixer_dump)
2636                                 snd_printk(KERN_INFO
2637                                         "Untranslated HPI Control"
2638                                         "(%d) %d %d %d %d %d\n",
2639                                         idx,
2640                                         hpi_ctl.control_type,
2641                                         hpi_ctl.src_node_type,
2642                                         hpi_ctl.src_node_index,
2643                                         hpi_ctl.dst_node_type,
2644                                         hpi_ctl.dst_node_index);
2645                         continue;
2646                 };
2647                 if (err < 0)
2648                         return err;
2649         }
2650         if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2651                 hpi_handle_error(err);
2652
2653         snd_printk(KERN_INFO "%d mixer controls found\n", idx);
2654
2655         return 0;
2656 }
2657
2658 /*------------------------------------------------------------
2659    /proc interface
2660  ------------------------------------------------------------*/
2661
2662 static void
2663 snd_asihpi_proc_read(struct snd_info_entry *entry,
2664                         struct snd_info_buffer *buffer)
2665 {
2666         struct snd_card_asihpi *asihpi = entry->private_data;
2667         u16 version;
2668         u32 h_control;
2669         u32 rate = 0;
2670         u16 source = 0;
2671         int err;
2672
2673         snd_iprintf(buffer, "ASIHPI driver proc file\n");
2674         snd_iprintf(buffer,
2675                 "adapter ID=%4X\n_index=%d\n"
2676                 "num_outstreams=%d\n_num_instreams=%d\n",
2677                 asihpi->type, asihpi->adapter_index,
2678                 asihpi->num_outstreams, asihpi->num_instreams);
2679
2680         version = asihpi->version;
2681         snd_iprintf(buffer,
2682                 "serial#=%d\n_hw version %c%d\nDSP code version %03d\n",
2683                 asihpi->serial_number, ((version >> 3) & 0xf) + 'A',
2684                 version & 0x7,
2685                 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2686
2687         err = hpi_mixer_get_control(asihpi->h_mixer,
2688                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2689                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
2690
2691         if (!err) {
2692                 err = hpi_sample_clock_get_sample_rate(
2693                                         h_control, &rate);
2694                 err += hpi_sample_clock_get_source(h_control, &source);
2695
2696                 if (!err)
2697                         snd_iprintf(buffer, "sample_clock=%d_hz, source %s\n",
2698                         rate, sampleclock_sources[source]);
2699         }
2700
2701 }
2702
2703
2704 static void __devinit snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2705 {
2706         struct snd_info_entry *entry;
2707
2708         if (!snd_card_proc_new(asihpi->card, "info", &entry))
2709                 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2710 }
2711
2712 /*------------------------------------------------------------
2713    HWDEP
2714  ------------------------------------------------------------*/
2715
2716 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2717 {
2718         if (enable_hpi_hwdep)
2719                 return 0;
2720         else
2721                 return -ENODEV;
2722
2723 }
2724
2725 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2726 {
2727         if (enable_hpi_hwdep)
2728                 return asihpi_hpi_release(file);
2729         else
2730                 return -ENODEV;
2731 }
2732
2733 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2734                                 unsigned int cmd, unsigned long arg)
2735 {
2736         if (enable_hpi_hwdep)
2737                 return asihpi_hpi_ioctl(file, cmd, arg);
2738         else
2739                 return -ENODEV;
2740 }
2741
2742
2743 /* results in /dev/snd/hwC#D0 file for each card with index #
2744    also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2745 */
2746 static int __devinit snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi,
2747         int device, struct snd_hwdep **rhwdep)
2748 {
2749         struct snd_hwdep *hw;
2750         int err;
2751
2752         if (rhwdep)
2753                 *rhwdep = NULL;
2754         err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2755         if (err < 0)
2756                 return err;
2757         strcpy(hw->name, "asihpi (HPI)");
2758         hw->iface = SNDRV_HWDEP_IFACE_LAST;
2759         hw->ops.open = snd_asihpi_hpi_open;
2760         hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2761         hw->ops.release = snd_asihpi_hpi_release;
2762         hw->private_data = asihpi;
2763         if (rhwdep)
2764                 *rhwdep = hw;
2765         return 0;
2766 }
2767
2768 /*------------------------------------------------------------
2769    CARD
2770  ------------------------------------------------------------*/
2771 static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
2772                                        const struct pci_device_id *pci_id)
2773 {
2774         int err;
2775
2776         u16 version;
2777         int pcm_substreams;
2778
2779         struct hpi_adapter *hpi_card;
2780         struct snd_card *card;
2781         struct snd_card_asihpi *asihpi;
2782
2783         u32 h_control;
2784         u32 h_stream;
2785
2786         static int dev;
2787         if (dev >= SNDRV_CARDS)
2788                 return -ENODEV;
2789
2790         /* Should this be enable[hpi_card->index] ? */
2791         if (!enable[dev]) {
2792                 dev++;
2793                 return -ENOENT;
2794         }
2795
2796         err = asihpi_adapter_probe(pci_dev, pci_id);
2797         if (err < 0)
2798                 return err;
2799
2800         hpi_card = pci_get_drvdata(pci_dev);
2801         /* first try to give the card the same index as its hardware index */
2802         err = snd_card_create(hpi_card->index,
2803                               id[hpi_card->index], THIS_MODULE,
2804                               sizeof(struct snd_card_asihpi),
2805                               &card);
2806         if (err < 0) {
2807                 /* if that fails, try the default index==next available */
2808                 err =
2809                     snd_card_create(index[dev], id[dev],
2810                                     THIS_MODULE,
2811                                     sizeof(struct snd_card_asihpi),
2812                                     &card);
2813                 if (err < 0)
2814                         return err;
2815                 snd_printk(KERN_WARNING
2816                         "**** WARNING **** Adapter index %d->ALSA index %d\n",
2817                         hpi_card->index, card->number);
2818         }
2819
2820         snd_card_set_dev(card, &pci_dev->dev);
2821
2822         asihpi = (struct snd_card_asihpi *) card->private_data;
2823         asihpi->card = card;
2824         asihpi->pci = pci_dev;
2825         asihpi->adapter_index = hpi_card->index;
2826         hpi_handle_error(hpi_adapter_get_info(
2827                                  asihpi->adapter_index,
2828                                  &asihpi->num_outstreams,
2829                                  &asihpi->num_instreams,
2830                                  &asihpi->version,
2831                                  &asihpi->serial_number, &asihpi->type));
2832
2833         version = asihpi->version;
2834         snd_printk(KERN_INFO "adapter ID=%4X index=%d num_outstreams=%d "
2835                         "num_instreams=%d S/N=%d\n"
2836                         "Hw Version %c%d DSP code version %03d\n",
2837                         asihpi->type, asihpi->adapter_index,
2838                         asihpi->num_outstreams,
2839                         asihpi->num_instreams, asihpi->serial_number,
2840                         ((version >> 3) & 0xf) + 'A',
2841                         version & 0x7,
2842                         ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2843
2844         pcm_substreams = asihpi->num_outstreams;
2845         if (pcm_substreams < asihpi->num_instreams)
2846                 pcm_substreams = asihpi->num_instreams;
2847
2848         err = hpi_adapter_get_property(asihpi->adapter_index,
2849                 HPI_ADAPTER_PROPERTY_CAPS1,
2850                 NULL, &asihpi->support_grouping);
2851         if (err)
2852                 asihpi->support_grouping = 0;
2853
2854         err = hpi_adapter_get_property(asihpi->adapter_index,
2855                 HPI_ADAPTER_PROPERTY_CAPS2,
2856                 &asihpi->support_mrx, NULL);
2857         if (err)
2858                 asihpi->support_mrx = 0;
2859
2860         err = hpi_adapter_get_property(asihpi->adapter_index,
2861                 HPI_ADAPTER_PROPERTY_INTERVAL,
2862                 NULL, &asihpi->update_interval_frames);
2863         if (err)
2864                 asihpi->update_interval_frames = 512;
2865
2866         if (!asihpi->can_dma)
2867                 asihpi->update_interval_frames *= 2;
2868
2869         hpi_handle_error(hpi_instream_open(asihpi->adapter_index,
2870                              0, &h_stream));
2871
2872         err = hpi_instream_host_buffer_free(h_stream);
2873         asihpi->can_dma = (!err);
2874
2875         hpi_handle_error(hpi_instream_close(h_stream));
2876
2877         err = hpi_adapter_get_property(asihpi->adapter_index,
2878                 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2879                 &asihpi->in_max_chans, &asihpi->out_max_chans);
2880         if (err) {
2881                 asihpi->in_max_chans = 2;
2882                 asihpi->out_max_chans = 2;
2883         }
2884
2885         snd_printk(KERN_INFO "has dma:%d, grouping:%d, mrx:%d\n",
2886                         asihpi->can_dma,
2887                         asihpi->support_grouping,
2888                         asihpi->support_mrx
2889               );
2890
2891         err = snd_card_asihpi_pcm_new(asihpi, 0, pcm_substreams);
2892         if (err < 0) {
2893                 snd_printk(KERN_ERR "pcm_new failed\n");
2894                 goto __nodev;
2895         }
2896         err = snd_card_asihpi_mixer_new(asihpi);
2897         if (err < 0) {
2898                 snd_printk(KERN_ERR "mixer_new failed\n");
2899                 goto __nodev;
2900         }
2901
2902         err = hpi_mixer_get_control(asihpi->h_mixer,
2903                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2904                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
2905
2906         if (!err)
2907                 err = hpi_sample_clock_set_local_rate(
2908                         h_control, adapter_fs);
2909
2910         snd_asihpi_proc_init(asihpi);
2911
2912         /* always create, can be enabled or disabled dynamically
2913             by enable_hwdep  module param*/
2914         snd_asihpi_hpi_new(asihpi, 0, NULL);
2915
2916         strcpy(card->driver, "ASIHPI");
2917
2918         sprintf(card->shortname, "AudioScience ASI%4X", asihpi->type);
2919         sprintf(card->longname, "%s %i",
2920                         card->shortname, asihpi->adapter_index);
2921         err = snd_card_register(card);
2922
2923         if (!err) {
2924                 hpi_card->snd_card_asihpi = card;
2925                 dev++;
2926                 return 0;
2927         }
2928 __nodev:
2929         snd_card_free(card);
2930         snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err);
2931         return err;
2932
2933 }
2934
2935 static void __devexit snd_asihpi_remove(struct pci_dev *pci_dev)
2936 {
2937         struct hpi_adapter *hpi_card = pci_get_drvdata(pci_dev);
2938
2939         snd_card_free(hpi_card->snd_card_asihpi);
2940         hpi_card->snd_card_asihpi = NULL;
2941         asihpi_adapter_remove(pci_dev);
2942 }
2943
2944 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = {
2945         {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
2946                 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2947                 (kernel_ulong_t)HPI_6205},
2948         {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
2949                 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2950                 (kernel_ulong_t)HPI_6000},
2951         {0,}
2952 };
2953 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
2954
2955 static struct pci_driver driver = {
2956         .name = KBUILD_MODNAME,
2957         .id_table = asihpi_pci_tbl,
2958         .probe = snd_asihpi_probe,
2959         .remove = __devexit_p(snd_asihpi_remove),
2960 #ifdef CONFIG_PM
2961 /*      .suspend = snd_asihpi_suspend,
2962         .resume = snd_asihpi_resume, */
2963 #endif
2964 };
2965
2966 static int __init snd_asihpi_init(void)
2967 {
2968         asihpi_init();
2969         return pci_register_driver(&driver);
2970 }
2971
2972 static void __exit snd_asihpi_exit(void)
2973 {
2974
2975         pci_unregister_driver(&driver);
2976         asihpi_exit();
2977 }
2978
2979 module_init(snd_asihpi_init)
2980 module_exit(snd_asihpi_exit)
2981