Pileus Git - ~andy/linux/blob - 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 "hpi_version.h"
  27 #include "hpimsginit.h"
  28 #include "hpioctl.h"
  29 #include "hpicmn.h"
  30
  31
  32 #include <linux/pci.h>
  33 #include <linux/init.h>
  34 #include <linux/jiffies.h>
  35 #include <linux/slab.h>
  36 #include <linux/time.h>
  37 #include <linux/wait.h>
  38 #include <linux/module.h>
  39 #include <sound/core.h>
  40 #include <sound/control.h>
  41 #include <sound/pcm.h>
  42 #include <sound/pcm_params.h>
  43 #include <sound/info.h>
  44 #include <sound/initval.h>
  45 #include <sound/tlv.h>
  46 #include <sound/hwdep.h>
  47
  48 MODULE_LICENSE("GPL");
  49 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>");
  50 MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx "
  51                         HPI_VER_STRING);
  52
  53 #if defined CONFIG_SND_DEBUG_VERBOSE
  54 /**
  55  * snd_printddd - very verbose debug printk
  56  * @format: format string
  57  *
  58  * Works like snd_printk() for debugging purposes.
  59  * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set.
  60  * Must set snd module debug parameter to 3 to enable at runtime.
  61  */
  62 #define snd_printddd(format, args...) \
  63         __snd_printk(3, __FILE__, __LINE__, format, ##args)
  64 #else
  65 #define snd_printddd(format, args...) do { } while (0)
  66 #endif
  67
  68 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* index 0-MAX */
  69 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  70 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
  71 static bool enable_hpi_hwdep = 1;
  72
  73 module_param_array(index, int, NULL, S_IRUGO);
  74 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
  75
  76 module_param_array(id, charp, NULL, S_IRUGO);
  77 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
  78
  79 module_param_array(enable, bool, NULL, S_IRUGO);
  80 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
  81
  82 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR);
  83 MODULE_PARM_DESC(enable_hpi_hwdep,
  84                 "ALSA enable HPI hwdep for AudioScience soundcard ");
  85
  86 /* identify driver */
  87 #ifdef KERNEL_ALSA_BUILD
  88 static char *build_info = "Built using headers from kernel source";
  89 module_param(build_info, charp, S_IRUGO);
  90 MODULE_PARM_DESC(build_info, "built using headers from kernel source");
  91 #else
  92 static char *build_info = "Built within ALSA source";
  93 module_param(build_info, charp, S_IRUGO);
  94 MODULE_PARM_DESC(build_info, "built within ALSA source");
  95 #endif
  96
  97 /* set to 1 to dump every control from adapter to log */
  98 static const int mixer_dump;
  99
 100 #define DEFAULT_SAMPLERATE 44100
 101 static int adapter_fs = DEFAULT_SAMPLERATE;
 102
 103 /* defaults */
 104 #define PERIODS_MIN 2
 105 #define PERIOD_BYTES_MIN  2048
 106 #define BUFFER_BYTES_MAX (512 * 1024)
 107
 108 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7)
 109
 110 struct clk_source {
 111         int source;
 112         int index;
 113         char *name;
 114 };
 115
 116 struct clk_cache {
 117         int count;
 118         int has_local;
 119         struct clk_source s[MAX_CLOCKSOURCES];
 120 };
 121
 122 /* Per card data */
 123 struct snd_card_asihpi {
 124         struct snd_card *card;
 125         struct pci_dev *pci;
 126         struct hpi_adapter *hpi;
 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         u16 in_min_chans;
 138         u16 out_min_chans;
 139 };
 140
 141 /* Per stream data */
 142 struct snd_card_asihpi_pcm {
 143         struct timer_list timer;
 144         unsigned int respawn_timer;
 145         unsigned int hpi_buffer_attached;
 146         unsigned int buffer_bytes;
 147         unsigned int period_bytes;
 148         unsigned int bytes_per_sec;
 149         unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
 150         unsigned int pcm_buf_dma_ofs;   /* DMA R/W offset in buffer */
 151         unsigned int pcm_buf_elapsed_dma_ofs;   /* DMA R/W offset in buffer */
 152         unsigned int drained_count;
 153         struct snd_pcm_substream *substream;
 154         u32 h_stream;
 155         struct hpi_format format;
 156 };
 157
 158 /* universal stream verbs work with out or in stream handles */
 159
 160 /* Functions to allow driver to give a buffer to HPI for busmastering */
 161
 162 static u16 hpi_stream_host_buffer_attach(
 163         u32 h_stream,   /* handle to outstream. */
 164         u32 size_in_bytes, /* size in bytes of bus mastering buffer */
 165         u32 pci_address
 166 )
 167 {
 168         struct hpi_message hm;
 169         struct hpi_response hr;
 170         unsigned int obj = hpi_handle_object(h_stream);
 171
 172         if (!h_stream)
 173                 return HPI_ERROR_INVALID_OBJ;
 174         hpi_init_message_response(&hm, &hr, obj,
 175                         obj == HPI_OBJ_OSTREAM ?
 176                                 HPI_OSTREAM_HOSTBUFFER_ALLOC :
 177                                 HPI_ISTREAM_HOSTBUFFER_ALLOC);
 178
 179         hpi_handle_to_indexes(h_stream, &hm.adapter_index,
 180                                 &hm.obj_index);
 181
 182         hm.u.d.u.buffer.buffer_size = size_in_bytes;
 183         hm.u.d.u.buffer.pci_address = pci_address;
 184         hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
 185         hpi_send_recv(&hm, &hr);
 186         return hr.error;
 187 }
 188
 189 static u16 hpi_stream_host_buffer_detach(u32  h_stream)
 190 {
 191         struct hpi_message hm;
 192         struct hpi_response hr;
 193         unsigned int obj = hpi_handle_object(h_stream);
 194
 195         if (!h_stream)
 196                 return HPI_ERROR_INVALID_OBJ;
 197
 198         hpi_init_message_response(&hm, &hr,  obj,
 199                         obj == HPI_OBJ_OSTREAM ?
 200                                 HPI_OSTREAM_HOSTBUFFER_FREE :
 201                                 HPI_ISTREAM_HOSTBUFFER_FREE);
 202
 203         hpi_handle_to_indexes(h_stream, &hm.adapter_index,
 204                                 &hm.obj_index);
 205         hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
 206         hpi_send_recv(&hm, &hr);
 207         return hr.error;
 208 }
 209
 210 static inline u16 hpi_stream_start(u32 h_stream)
 211 {
 212         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 213                 return hpi_outstream_start(h_stream);
 214         else
 215                 return hpi_instream_start(h_stream);
 216 }
 217
 218 static inline u16 hpi_stream_stop(u32 h_stream)
 219 {
 220         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 221                 return hpi_outstream_stop(h_stream);
 222         else
 223                 return hpi_instream_stop(h_stream);
 224 }
 225
 226 static inline u16 hpi_stream_get_info_ex(
 227     u32 h_stream,
 228     u16        *pw_state,
 229     u32        *pbuffer_size,
 230     u32        *pdata_in_buffer,
 231     u32        *psample_count,
 232     u32        *pauxiliary_data
 233 )
 234 {
 235         u16 e;
 236         if (hpi_handle_object(h_stream)  ==  HPI_OBJ_OSTREAM)
 237                 e = hpi_outstream_get_info_ex(h_stream, pw_state,
 238                                         pbuffer_size, pdata_in_buffer,
 239                                         psample_count, pauxiliary_data);
 240         else
 241                 e = hpi_instream_get_info_ex(h_stream, pw_state,
 242                                         pbuffer_size, pdata_in_buffer,
 243                                         psample_count, pauxiliary_data);
 244         return e;
 245 }
 246
 247 static inline u16 hpi_stream_group_add(
 248                                         u32 h_master,
 249                                         u32 h_stream)
 250 {
 251         if (hpi_handle_object(h_master) ==  HPI_OBJ_OSTREAM)
 252                 return hpi_outstream_group_add(h_master, h_stream);
 253         else
 254                 return hpi_instream_group_add(h_master, h_stream);
 255 }
 256
 257 static inline u16 hpi_stream_group_reset(u32 h_stream)
 258 {
 259         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 260                 return hpi_outstream_group_reset(h_stream);
 261         else
 262                 return hpi_instream_group_reset(h_stream);
 263 }
 264
 265 static inline u16 hpi_stream_group_get_map(
 266                                 u32 h_stream, u32 *mo, u32 *mi)
 267 {
 268         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 269                 return hpi_outstream_group_get_map(h_stream, mo, mi);
 270         else
 271                 return hpi_instream_group_get_map(h_stream, mo, mi);
 272 }
 273
 274 static u16 handle_error(u16 err, int line, char *filename)
 275 {
 276         if (err)
 277                 printk(KERN_WARNING
 278                         "in file %s, line %d: HPI error %d\n",
 279                         filename, line, err);
 280         return err;
 281 }
 282
 283 #define hpi_handle_error(x)  handle_error(x, __LINE__, __FILE__)
 284
 285 /***************************** GENERAL PCM ****************/
 286
 287 static void print_hwparams(struct snd_pcm_substream *substream,
 288                                 struct snd_pcm_hw_params *p)
 289 {
 290         char name[16];
 291         snd_pcm_debug_name(substream, name, sizeof(name));
 292         snd_printd("%s HWPARAMS\n", name);
 293         snd_printd(" samplerate %d Hz\n", params_rate(p));
 294         snd_printd(" channels %d\n", params_channels(p));
 295         snd_printd(" format %d\n", params_format(p));
 296         snd_printd(" subformat %d\n", params_subformat(p));
 297         snd_printd(" buffer %d B\n", params_buffer_bytes(p));
 298         snd_printd(" period %d B\n", params_period_bytes(p));
 299         snd_printd(" access %d\n", params_access(p));
 300         snd_printd(" period_size %d\n", params_period_size(p));
 301         snd_printd(" periods %d\n", params_periods(p));
 302         snd_printd(" buffer_size %d\n", params_buffer_size(p));
 303         snd_printd(" %d B/s\n", params_rate(p) *
 304                 params_channels(p) *
 305                 snd_pcm_format_width(params_format(p)) / 8);
 306
 307 }
 308
 309 static snd_pcm_format_t hpi_to_alsa_formats[] = {
 310         -1,                     /* INVALID */
 311         SNDRV_PCM_FORMAT_U8,    /* HPI_FORMAT_PCM8_UNSIGNED        1 */
 312         SNDRV_PCM_FORMAT_S16,   /* HPI_FORMAT_PCM16_SIGNED         2 */
 313         -1,                     /* HPI_FORMAT_MPEG_L1              3 */
 314         SNDRV_PCM_FORMAT_MPEG,  /* HPI_FORMAT_MPEG_L2              4 */
 315         SNDRV_PCM_FORMAT_MPEG,  /* HPI_FORMAT_MPEG_L3              5 */
 316         -1,                     /* HPI_FORMAT_DOLBY_AC2            6 */
 317         -1,                     /* HPI_FORMAT_DOLBY_AC3            7 */
 318         SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN      8 */
 319         -1,                     /* HPI_FORMAT_AA_TAGIT1_HITS       9 */
 320         -1,                     /* HPI_FORMAT_AA_TAGIT1_INSERTS   10 */
 321         SNDRV_PCM_FORMAT_S32,   /* HPI_FORMAT_PCM32_SIGNED        11 */
 322         -1,                     /* HPI_FORMAT_RAW_BITSTREAM       12 */
 323         -1,                     /* HPI_FORMAT_AA_TAGIT1_HITS_EX1  13 */
 324         SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT         14 */
 325 #if 1
 326         /* ALSA can't handle 3 byte sample size together with power-of-2
 327          *  constraint on buffer_bytes, so disable this format
 328          */
 329         -1
 330 #else
 331         /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
 332 #endif
 333 };
 334
 335
 336 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
 337                                            u16 *hpi_format)
 338 {
 339         u16 format;
 340
 341         for (format = HPI_FORMAT_PCM8_UNSIGNED;
 342              format <= HPI_FORMAT_PCM24_SIGNED; format++) {
 343                 if (hpi_to_alsa_formats[format] == alsa_format) {
 344                         *hpi_format = format;
 345                         return 0;
 346                 }
 347         }
 348
 349         snd_printd(KERN_WARNING "failed match for alsa format %d\n",
 350                    alsa_format);
 351         *hpi_format = 0;
 352         return -EINVAL;
 353 }
 354
 355 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
 356                                          struct snd_pcm_hardware *pcmhw)
 357 {
 358         u16 err;
 359         u32 h_control;
 360         u32 sample_rate;
 361         int idx;
 362         unsigned int rate_min = 200000;
 363         unsigned int rate_max = 0;
 364         unsigned int rates = 0;
 365
 366         if (asihpi->support_mrx) {
 367                 rates |= SNDRV_PCM_RATE_CONTINUOUS;
 368                 rates |= SNDRV_PCM_RATE_8000_96000;
 369                 rate_min = 8000;
 370                 rate_max = 100000;
 371         } else {
 372                 /* on cards without SRC,
 373                    valid rates are determined by sampleclock */
 374                 err = hpi_mixer_get_control(asihpi->h_mixer,
 375                                           HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 376                                           HPI_CONTROL_SAMPLECLOCK, &h_control);
 377                 if (err) {
 378                         snd_printk(KERN_ERR
 379                                 "No local sampleclock, err %d\n", err);
 380                 }
 381
 382                 for (idx = -1; idx < 100; idx++) {
 383                         if (idx == -1) {
 384                                 if (hpi_sample_clock_get_sample_rate(h_control,
 385                                                                 &sample_rate))
 386                                         continue;
 387                         } else if (hpi_sample_clock_query_local_rate(h_control,
 388                                                         idx, &sample_rate)) {
 389                                 break;
 390                         }
 391
 392                         rate_min = min(rate_min, sample_rate);
 393                         rate_max = max(rate_max, sample_rate);
 394
 395                         switch (sample_rate) {
 396                         case 5512:
 397                                 rates |= SNDRV_PCM_RATE_5512;
 398                                 break;
 399                         case 8000:
 400                                 rates |= SNDRV_PCM_RATE_8000;
 401                                 break;
 402                         case 11025:
 403                                 rates |= SNDRV_PCM_RATE_11025;
 404                                 break;
 405                         case 16000:
 406                                 rates |= SNDRV_PCM_RATE_16000;
 407                                 break;
 408                         case 22050:
 409                                 rates |= SNDRV_PCM_RATE_22050;
 410                                 break;
 411                         case 32000:
 412                                 rates |= SNDRV_PCM_RATE_32000;
 413                                 break;
 414                         case 44100:
 415                                 rates |= SNDRV_PCM_RATE_44100;
 416                                 break;
 417                         case 48000:
 418                                 rates |= SNDRV_PCM_RATE_48000;
 419                                 break;
 420                         case 64000:
 421                                 rates |= SNDRV_PCM_RATE_64000;
 422                                 break;
 423                         case 88200:
 424                                 rates |= SNDRV_PCM_RATE_88200;
 425                                 break;
 426                         case 96000:
 427                                 rates |= SNDRV_PCM_RATE_96000;
 428                                 break;
 429                         case 176400:
 430                                 rates |= SNDRV_PCM_RATE_176400;
 431                                 break;
 432                         case 192000:
 433                                 rates |= SNDRV_PCM_RATE_192000;
 434                                 break;
 435                         default: /* some other rate */
 436                                 rates |= SNDRV_PCM_RATE_KNOT;
 437                         }
 438                 }
 439         }
 440
 441         pcmhw->rates = rates;
 442         pcmhw->rate_min = rate_min;
 443         pcmhw->rate_max = rate_max;
 444 }
 445
 446 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
 447                                          struct snd_pcm_hw_params *params)
 448 {
 449         struct snd_pcm_runtime *runtime = substream->runtime;
 450         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 451         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 452         int err;
 453         u16 format;
 454         int width;
 455         unsigned int bytes_per_sec;
 456
 457         print_hwparams(substream, params);
 458         err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
 459         if (err < 0)
 460                 return err;
 461         err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
 462         if (err)
 463                 return err;
 464
 465         hpi_handle_error(hpi_format_create(&dpcm->format,
 466                         params_channels(params),
 467                         format, params_rate(params), 0, 0));
 468
 469         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 470                 if (hpi_instream_reset(dpcm->h_stream) != 0)
 471                         return -EINVAL;
 472
 473                 if (hpi_instream_set_format(
 474                         dpcm->h_stream, &dpcm->format) != 0)
 475                         return -EINVAL;
 476         }
 477
 478         dpcm->hpi_buffer_attached = 0;
 479         if (card->can_dma) {
 480                 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
 481                         params_buffer_bytes(params),  runtime->dma_addr);
 482                 if (err == 0) {
 483                         snd_printdd(
 484                                 "stream_host_buffer_attach succeeded %u %lu\n",
 485                                 params_buffer_bytes(params),
 486                                 (unsigned long)runtime->dma_addr);
 487                 } else {
 488                         snd_printd("stream_host_buffer_attach error %d\n",
 489                                         err);
 490                         return -ENOMEM;
 491                 }
 492
 493                 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
 494                                                 &dpcm->hpi_buffer_attached,
 495                                                 NULL, NULL, NULL);
 496
 497                 snd_printdd("stream_host_buffer_attach status 0x%x\n",
 498                                 dpcm->hpi_buffer_attached);
 499
 500         }
 501         bytes_per_sec = params_rate(params) * params_channels(params);
 502         width = snd_pcm_format_width(params_format(params));
 503         bytes_per_sec *= width;
 504         bytes_per_sec /= 8;
 505         if (width < 0 || bytes_per_sec == 0)
 506                 return -EINVAL;
 507
 508         dpcm->bytes_per_sec = bytes_per_sec;
 509         dpcm->buffer_bytes = params_buffer_bytes(params);
 510         dpcm->period_bytes = params_period_bytes(params);
 511
 512         return 0;
 513 }
 514
 515 static int
 516 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
 517 {
 518         struct snd_pcm_runtime *runtime = substream->runtime;
 519         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 520         if (dpcm->hpi_buffer_attached)
 521                 hpi_stream_host_buffer_detach(dpcm->h_stream);
 522
 523         snd_pcm_lib_free_pages(substream);
 524         return 0;
 525 }
 526
 527 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime)
 528 {
 529         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 530         kfree(dpcm);
 531 }
 532
 533 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
 534                                             substream)
 535 {
 536         struct snd_pcm_runtime *runtime = substream->runtime;
 537         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 538         int expiry;
 539
 540         expiry = HZ / 200;
 541         /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */
 542         expiry = max(expiry, 1); /* don't let it be zero! */
 543         dpcm->timer.expires = jiffies + expiry;
 544         dpcm->respawn_timer = 1;
 545         add_timer(&dpcm->timer);
 546 }
 547
 548 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
 549 {
 550         struct snd_pcm_runtime *runtime = substream->runtime;
 551         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 552
 553         dpcm->respawn_timer = 0;
 554         del_timer(&dpcm->timer);
 555 }
 556
 557 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 558                                            int cmd)
 559 {
 560         struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
 561         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 562         struct snd_pcm_substream *s;
 563         u16 e;
 564         char name[16];
 565
 566         snd_pcm_debug_name(substream, name, sizeof(name));
 567         snd_printdd("%s trigger\n", name);
 568
 569         switch (cmd) {
 570         case SNDRV_PCM_TRIGGER_START:
 571                 snd_pcm_group_for_each_entry(s, substream) {
 572                         struct snd_pcm_runtime *runtime = s->runtime;
 573                         struct snd_card_asihpi_pcm *ds = runtime->private_data;
 574
 575                         if (snd_pcm_substream_chip(s) != card)
 576                                 continue;
 577
 578                         /* don't link Cap and Play */
 579                         if (substream->stream != s->stream)
 580                                 continue;
 581
 582                         ds->drained_count = 0;
 583                         if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 584                                 /* How do I know how much valid data is present
 585                                 * in buffer? Must be at least one period!
 586                                 * Guessing 2 periods, but if
 587                                 * buffer is bigger it may contain even more
 588                                 * data??
 589                                 */
 590                                 unsigned int preload = ds->period_bytes * 1;
 591                                 snd_printddd("%d preload x%x\n", s->number, preload);
 592                                 hpi_handle_error(hpi_outstream_write_buf(
 593                                                 ds->h_stream,
 594                                                 &runtime->dma_area[0],
 595                                                 preload,
 596                                                 &ds->format));
 597                                 ds->pcm_buf_host_rw_ofs = preload;
 598                         }
 599
 600                         if (card->support_grouping) {
 601                                 snd_printdd("%d group\n", s->number);
 602                                 e = hpi_stream_group_add(
 603                                         dpcm->h_stream,
 604                                         ds->h_stream);
 605                                 if (!e) {
 606                                         snd_pcm_trigger_done(s, substream);
 607                                 } else {
 608                                         hpi_handle_error(e);
 609                                         break;
 610                                 }
 611                         } else
 612                                 break;
 613                 }
 614                 snd_printdd("start\n");
 615                 /* start the master stream */
 616                 snd_card_asihpi_pcm_timer_start(substream);
 617                 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
 618                         !card->can_dma)
 619                         hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 620                 break;
 621
 622         case SNDRV_PCM_TRIGGER_STOP:
 623                 snd_card_asihpi_pcm_timer_stop(substream);
 624                 snd_pcm_group_for_each_entry(s, substream) {
 625                         if (snd_pcm_substream_chip(s) != card)
 626                                 continue;
 627                         /* don't link Cap and Play */
 628                         if (substream->stream != s->stream)
 629                                 continue;
 630
 631                         /*? workaround linked streams don't
 632                         transition to SETUP 20070706*/
 633                         s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
 634
 635                         if (card->support_grouping) {
 636                                 snd_printdd("%d group\n", s->number);
 637                                 snd_pcm_trigger_done(s, substream);
 638                         } else
 639                                 break;
 640                 }
 641                 snd_printdd("stop\n");
 642
 643                 /* _prepare and _hwparams reset the stream */
 644                 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 645                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 646                         hpi_handle_error(
 647                                 hpi_outstream_reset(dpcm->h_stream));
 648
 649                 if (card->support_grouping)
 650                         hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
 651                 break;
 652
 653         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 654                 snd_printdd("pause release\n");
 655                 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 656                 snd_card_asihpi_pcm_timer_start(substream);
 657                 break;
 658         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 659                 snd_printdd("pause\n");
 660                 snd_card_asihpi_pcm_timer_stop(substream);
 661                 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 662                 break;
 663         default:
 664                 snd_printd(KERN_ERR "\tINVALID\n");
 665                 return -EINVAL;
 666         }
 667
 668         return 0;
 669 }
 670
 671 /*algorithm outline
 672  Without linking degenerates to getting single stream pos etc
 673  Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
 674 */
 675 /*
 676 pcm_buf_dma_ofs=get_buf_pos(s);
 677 for_each_linked_stream(s) {
 678         pcm_buf_dma_ofs=get_buf_pos(s);
 679         min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
 680         new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
 681 }
 682 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
 683 for_each_linked_stream(s) {
 684         s->pcm_buf_dma_ofs = min_buf_pos;
 685         if (new_data > period_bytes) {
 686                 if (mmap) {
 687                         irq_pos = (irq_pos + period_bytes) % buffer_bytes;
 688                         if (playback) {
 689                                 write(period_bytes);
 690                         } else {
 691                                 read(period_bytes);
 692                         }
 693                 }
 694                 snd_pcm_period_elapsed(s);
 695         }
 696 }
 697 */
 698
 699 /** Minimum of 2 modulo values.  Works correctly when the difference between
 700 * the values is less than half the modulus
 701 */
 702 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
 703                                         unsigned long int modulus)
 704 {
 705         unsigned int result;
 706         if (((a-b) % modulus) < (modulus/2))
 707                 result = b;
 708         else
 709                 result = a;
 710
 711         return result;
 712 }
 713
 714 /** Timer function, equivalent to interrupt service routine for cards
 715 */
 716 static void snd_card_asihpi_timer_function(unsigned long data)
 717 {
 718         struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
 719         struct snd_pcm_substream *substream = dpcm->substream;
 720         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 721         struct snd_pcm_runtime *runtime;
 722         struct snd_pcm_substream *s;
 723         unsigned int newdata = 0;
 724         unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
 725         unsigned int remdata, xfercount, next_jiffies;
 726         int first = 1;
 727         int loops = 0;
 728         u16 state;
 729         u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
 730         char name[16];
 731
 732         snd_pcm_debug_name(substream, name, sizeof(name));
 733
 734         snd_printdd("%s snd_card_asihpi_timer_function\n", name);
 735
 736         /* find minimum newdata and buffer pos in group */
 737         snd_pcm_group_for_each_entry(s, substream) {
 738                 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 739                 runtime = s->runtime;
 740
 741                 if (snd_pcm_substream_chip(s) != card)
 742                         continue;
 743
 744                 /* don't link Cap and Play */
 745                 if (substream->stream != s->stream)
 746                         continue;
 747
 748                 hpi_handle_error(hpi_stream_get_info_ex(
 749                                         ds->h_stream, &state,
 750                                         &buffer_size, &bytes_avail,
 751                                         &samples_played, &on_card_bytes));
 752
 753                 /* number of bytes in on-card buffer */
 754                 runtime->delay = on_card_bytes;
 755
 756                 if (!card->can_dma)
 757                         on_card_bytes = bytes_avail;
 758
 759                 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 760                         pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
 761                         if (state == HPI_STATE_STOPPED) {
 762                                 if (bytes_avail == 0) {
 763                                         hpi_handle_error(hpi_stream_start(ds->h_stream));
 764                                         snd_printdd("P%d start\n", s->number);
 765                                         ds->drained_count = 0;
 766                                 }
 767                         } else if (state == HPI_STATE_DRAINED) {
 768                                 snd_printd(KERN_WARNING "P%d drained\n",
 769                                                 s->number);
 770                                 ds->drained_count++;
 771                                 if (ds->drained_count > 20) {
 772                                         snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
 773                                         continue;
 774                                 }
 775                         } else {
 776                                 ds->drained_count = 0;
 777                         }
 778                 } else
 779                         pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
 780
 781                 if (first) {
 782                         /* can't statically init min when wrap is involved */
 783                         min_buf_pos = pcm_buf_dma_ofs;
 784                         newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
 785                         first = 0;
 786                 } else {
 787                         min_buf_pos =
 788                                 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
 789                         newdata = min(
 790                                 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
 791                                 newdata);
 792                 }
 793
 794                 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n",
 795                         (unsigned long)frames_to_bytes(runtime,
 796                                                 runtime->status->hw_ptr),
 797                         (unsigned long)frames_to_bytes(runtime,
 798                                                 runtime->control->appl_ptr));
 799
 800                 snd_printdd("%d S=%d, "
 801                         "rw=0x%04X, dma=0x%04X, left=0x%04X, "
 802                         "aux=0x%04X space=0x%04X\n",
 803                         s->number, state,
 804                         ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs,
 805                         (int)bytes_avail,
 806                         (int)on_card_bytes, buffer_size-bytes_avail);
 807                 loops++;
 808         }
 809         pcm_buf_dma_ofs = min_buf_pos;
 810
 811         remdata = newdata % dpcm->period_bytes;
 812         xfercount = newdata - remdata; /* a multiple of period_bytes */
 813         /* come back when on_card_bytes has decreased enough to allow
 814            write to happen, or when data has been consumed to make another
 815            period
 816         */
 817         if (xfercount && (on_card_bytes  > dpcm->period_bytes))
 818                 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
 819         else
 820                 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
 821
 822         next_jiffies = max(next_jiffies, 1U);
 823         dpcm->timer.expires = jiffies + next_jiffies;
 824         snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n",
 825                         next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
 826
 827         snd_pcm_group_for_each_entry(s, substream) {
 828                 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 829
 830                 /* don't link Cap and Play */
 831                 if (substream->stream != s->stream)
 832                         continue;
 833
 834                 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
 835
 836                 if (xfercount &&
 837                         /* Limit use of on card fifo for playback */
 838                         ((on_card_bytes <= ds->period_bytes) ||
 839                         (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
 840
 841                 {
 842
 843                         unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
 844                         unsigned int xfer1, xfer2;
 845                         char *pd = &s->runtime->dma_area[buf_ofs];
 846
 847                         if (card->can_dma) { /* buffer wrap is handled at lower level */
 848                                 xfer1 = xfercount;
 849                                 xfer2 = 0;
 850                         } else {
 851                                 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
 852                                 xfer2 = xfercount - xfer1;
 853                         }
 854
 855                         if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 856                                 snd_printddd("P%d write1 0x%04X 0x%04X\n",
 857                                         s->number, xfer1, buf_ofs);
 858                                 hpi_handle_error(
 859                                         hpi_outstream_write_buf(
 860                                                 ds->h_stream, pd, xfer1,
 861                                                 &ds->format));
 862
 863                                 if (xfer2) {
 864                                         pd = s->runtime->dma_area;
 865
 866                                         snd_printddd("P%d write2 0x%04X 0x%04X\n",
 867                                                         s->number,
 868                                                         xfercount - xfer1, buf_ofs);
 869                                         hpi_handle_error(
 870                                                 hpi_outstream_write_buf(
 871                                                         ds->h_stream, pd,
 872                                                         xfercount - xfer1,
 873                                                         &ds->format));
 874                                 }
 875                         } else {
 876                                 snd_printddd("C%d read1 0x%04x\n",
 877                                         s->number, xfer1);
 878                                 hpi_handle_error(
 879                                         hpi_instream_read_buf(
 880                                                 ds->h_stream,
 881                                                 pd, xfer1));
 882                                 if (xfer2) {
 883                                         pd = s->runtime->dma_area;
 884                                         snd_printddd("C%d read2 0x%04x\n",
 885                                                 s->number, xfer2);
 886                                         hpi_handle_error(
 887                                                 hpi_instream_read_buf(
 888                                                         ds->h_stream,
 889                                                         pd, xfer2));
 890                                 }
 891                         }
 892                         ds->pcm_buf_host_rw_ofs += xfercount;
 893                         ds->pcm_buf_elapsed_dma_ofs += xfercount;
 894                         snd_pcm_period_elapsed(s);
 895                 }
 896         }
 897
 898         if (dpcm->respawn_timer)
 899                 add_timer(&dpcm->timer);
 900 }
 901
 902 /***************************** PLAYBACK OPS ****************/
 903 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
 904                                           unsigned int cmd, void *arg)
 905 {
 906         char name[16];
 907         snd_pcm_debug_name(substream, name, sizeof(name));
 908         snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd);
 909         return snd_pcm_lib_ioctl(substream, cmd, arg);
 910 }
 911
 912 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
 913                                             substream)
 914 {
 915         struct snd_pcm_runtime *runtime = substream->runtime;
 916         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 917
 918         snd_printdd("P%d prepare\n", substream->number);
 919
 920         hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
 921         dpcm->pcm_buf_host_rw_ofs = 0;
 922         dpcm->pcm_buf_dma_ofs = 0;
 923         dpcm->pcm_buf_elapsed_dma_ofs = 0;
 924         return 0;
 925 }
 926
 927 static snd_pcm_uframes_t
 928 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
 929 {
 930         struct snd_pcm_runtime *runtime = substream->runtime;
 931         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 932         snd_pcm_uframes_t ptr;
 933         char name[16];
 934         snd_pcm_debug_name(substream, name, sizeof(name));
 935
 936         ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs  % dpcm->buffer_bytes);
 937         snd_printddd("%s pointer = 0x%04lx\n", name, (unsigned long)ptr);
 938         return ptr;
 939 }
 940
 941 static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi,
 942                                                 u32 h_stream)
 943 {
 944         struct hpi_format hpi_format;
 945         u16 format;
 946         u16 err;
 947         u32 h_control;
 948         u32 sample_rate = 48000;
 949         u64 formats = 0;
 950
 951         /* on cards without SRC, must query at valid rate,
 952         * maybe set by external sync
 953         */
 954         err = hpi_mixer_get_control(asihpi->h_mixer,
 955                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 956                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
 957
 958         if (!err)
 959                 err = hpi_sample_clock_get_sample_rate(h_control,
 960                                 &sample_rate);
 961
 962         for (format = HPI_FORMAT_PCM8_UNSIGNED;
 963              format <= HPI_FORMAT_PCM24_SIGNED; format++) {
 964                 err = hpi_format_create(&hpi_format, asihpi->out_max_chans,
 965                                         format, sample_rate, 128000, 0);
 966                 if (!err)
 967                         err = hpi_outstream_query_format(h_stream, &hpi_format);
 968                 if (!err && (hpi_to_alsa_formats[format] != -1))
 969                         formats |= (1ULL << hpi_to_alsa_formats[format]);
 970         }
 971         return formats;
 972 }
 973
 974 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
 975 {
 976         struct snd_pcm_runtime *runtime = substream->runtime;
 977         struct snd_card_asihpi_pcm *dpcm;
 978         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 979         struct snd_pcm_hardware snd_card_asihpi_playback;
 980         int err;
 981
 982         dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
 983         if (dpcm == NULL)
 984                 return -ENOMEM;
 985
 986         err = hpi_outstream_open(card->hpi->adapter->index,
 987                               substream->number, &dpcm->h_stream);
 988         hpi_handle_error(err);
 989         if (err)
 990                 kfree(dpcm);
 991         if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
 992                 return -EBUSY;
 993         if (err)
 994                 return -EIO;
 995
 996         /*? also check ASI5000 samplerate source
 997             If external, only support external rate.
 998             If internal and other stream playing, can't switch
 999         */
1000
1001         init_timer(&dpcm->timer);
1002         dpcm->timer.data = (unsigned long) dpcm;
1003         dpcm->timer.function = snd_card_asihpi_timer_function;
1004         dpcm->substream = substream;
1005         runtime->private_data = dpcm;
1006         runtime->private_free = snd_card_asihpi_runtime_free;
1007
1008         memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback));
1009         snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1010         snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN;
1011         /*?snd_card_asihpi_playback.period_bytes_min =
1012         card->out_max_chans * 4096; */
1013         snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1014         snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1015         snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1016         /* snd_card_asihpi_playback.fifo_size = 0; */
1017         snd_card_asihpi_playback.channels_max = card->out_max_chans;
1018         snd_card_asihpi_playback.channels_min = card->out_min_chans;
1019         snd_card_asihpi_playback.formats =
1020                         snd_card_asihpi_playback_formats(card, dpcm->h_stream);
1021
1022         snd_card_asihpi_pcm_samplerates(card,  &snd_card_asihpi_playback);
1023
1024         snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
1025                                         SNDRV_PCM_INFO_DOUBLE |
1026                                         SNDRV_PCM_INFO_BATCH |
1027                                         SNDRV_PCM_INFO_BLOCK_TRANSFER |
1028                                         SNDRV_PCM_INFO_PAUSE |
1029                                         SNDRV_PCM_INFO_MMAP |
1030                                         SNDRV_PCM_INFO_MMAP_VALID;
1031
1032         if (card->support_grouping) {
1033                 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1034                 snd_pcm_set_sync(substream);
1035         }
1036
1037         /* struct is copied, so can create initializer dynamically */
1038         runtime->hw = snd_card_asihpi_playback;
1039
1040         if (card->can_dma)
1041                 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1042                                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1043         if (err < 0)
1044                 return err;
1045
1046         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1047                 card->update_interval_frames);
1048
1049         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1050                 card->update_interval_frames * 2, UINT_MAX);
1051
1052         snd_printdd("playback open\n");
1053
1054         return 0;
1055 }
1056
1057 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1058 {
1059         struct snd_pcm_runtime *runtime = substream->runtime;
1060         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1061
1062         hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1063         snd_printdd("playback close\n");
1064
1065         return 0;
1066 }
1067
1068 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1069         .open = snd_card_asihpi_playback_open,
1070         .close = snd_card_asihpi_playback_close,
1071         .ioctl = snd_card_asihpi_playback_ioctl,
1072         .hw_params = snd_card_asihpi_pcm_hw_params,
1073         .hw_free = snd_card_asihpi_hw_free,
1074         .prepare = snd_card_asihpi_playback_prepare,
1075         .trigger = snd_card_asihpi_trigger,
1076         .pointer = snd_card_asihpi_playback_pointer,
1077 };
1078
1079 /***************************** CAPTURE OPS ****************/
1080 static snd_pcm_uframes_t
1081 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1082 {
1083         struct snd_pcm_runtime *runtime = substream->runtime;
1084         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1085
1086         snd_printddd("capture pointer %d=%d\n",
1087                         substream->number, dpcm->pcm_buf_dma_ofs);
1088         /* NOTE Unlike playback can't use actual samples_played
1089                 for the capture position, because those samples aren't yet in
1090                 the local buffer available for reading.
1091         */
1092         return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1093 }
1094
1095 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1096                                          unsigned int cmd, void *arg)
1097 {
1098         return snd_pcm_lib_ioctl(substream, cmd, arg);
1099 }
1100
1101 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1102 {
1103         struct snd_pcm_runtime *runtime = substream->runtime;
1104         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1105
1106         hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1107         dpcm->pcm_buf_host_rw_ofs = 0;
1108         dpcm->pcm_buf_dma_ofs = 0;
1109         dpcm->pcm_buf_elapsed_dma_ofs = 0;
1110
1111         snd_printdd("Capture Prepare %d\n", substream->number);
1112         return 0;
1113 }
1114
1115
1116
1117 static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi,
1118                                         u32 h_stream)
1119 {
1120   struct hpi_format hpi_format;
1121         u16 format;
1122         u16 err;
1123         u32 h_control;
1124         u32 sample_rate = 48000;
1125         u64 formats = 0;
1126
1127         /* on cards without SRC, must query at valid rate,
1128                 maybe set by external sync */
1129         err = hpi_mixer_get_control(asihpi->h_mixer,
1130                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1131                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
1132
1133         if (!err)
1134                 err = hpi_sample_clock_get_sample_rate(h_control,
1135                         &sample_rate);
1136
1137         for (format = HPI_FORMAT_PCM8_UNSIGNED;
1138                 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1139
1140                 err = hpi_format_create(&hpi_format, asihpi->in_max_chans,
1141                                         format, sample_rate, 128000, 0);
1142                 if (!err)
1143                         err = hpi_instream_query_format(h_stream, &hpi_format);
1144                 if (!err)
1145                         formats |= (1ULL << hpi_to_alsa_formats[format]);
1146         }
1147         return formats;
1148 }
1149
1150 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1151 {
1152         struct snd_pcm_runtime *runtime = substream->runtime;
1153         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1154         struct snd_card_asihpi_pcm *dpcm;
1155         struct snd_pcm_hardware snd_card_asihpi_capture;
1156         int err;
1157
1158         dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1159         if (dpcm == NULL)
1160                 return -ENOMEM;
1161
1162         snd_printdd("capture open adapter %d stream %d\n",
1163                         card->hpi->adapter->index, substream->number);
1164
1165         err = hpi_handle_error(
1166             hpi_instream_open(card->hpi->adapter->index,
1167                              substream->number, &dpcm->h_stream));
1168         if (err)
1169                 kfree(dpcm);
1170         if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1171                 return -EBUSY;
1172         if (err)
1173                 return -EIO;
1174
1175         init_timer(&dpcm->timer);
1176         dpcm->timer.data = (unsigned long) dpcm;
1177         dpcm->timer.function = snd_card_asihpi_timer_function;
1178         dpcm->substream = substream;
1179         runtime->private_data = dpcm;
1180         runtime->private_free = snd_card_asihpi_runtime_free;
1181
1182         memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture));
1183         snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1184         snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN;
1185         snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1186         snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1187         snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1188         /* snd_card_asihpi_capture.fifo_size = 0; */
1189         snd_card_asihpi_capture.channels_max = card->in_max_chans;
1190         snd_card_asihpi_capture.channels_min = card->in_min_chans;
1191         snd_card_asihpi_capture.formats =
1192                 snd_card_asihpi_capture_formats(card, dpcm->h_stream);
1193         snd_card_asihpi_pcm_samplerates(card,  &snd_card_asihpi_capture);
1194         snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1195                                         SNDRV_PCM_INFO_MMAP |
1196                                         SNDRV_PCM_INFO_MMAP_VALID;
1197
1198         if (card->support_grouping)
1199                 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1200
1201         runtime->hw = snd_card_asihpi_capture;
1202
1203         if (card->can_dma)
1204                 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1205                                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1206         if (err < 0)
1207                 return err;
1208
1209         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1210                 card->update_interval_frames);
1211         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1212                 card->update_interval_frames * 2, UINT_MAX);
1213
1214         snd_pcm_set_sync(substream);
1215
1216         return 0;
1217 }
1218
1219 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1220 {
1221         struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1222
1223         hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1224         return 0;
1225 }
1226
1227 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1228         .open = snd_card_asihpi_capture_open,
1229         .close = snd_card_asihpi_capture_close,
1230         .ioctl = snd_card_asihpi_capture_ioctl,
1231         .hw_params = snd_card_asihpi_pcm_hw_params,
1232         .hw_free = snd_card_asihpi_hw_free,
1233         .prepare = snd_card_asihpi_capture_prepare,
1234         .trigger = snd_card_asihpi_trigger,
1235         .pointer = snd_card_asihpi_capture_pointer,
1236 };
1237
1238 static int __devinit snd_card_asihpi_pcm_new(
1239                 struct snd_card_asihpi *asihpi, int device)
1240 {
1241         struct snd_pcm *pcm;
1242         int err;
1243         u16 num_instreams, num_outstreams, x16;
1244         u32 x32;
1245
1246         err = hpi_adapter_get_info(asihpi->hpi->adapter->index,
1247                         &num_outstreams, &num_instreams,
1248                         &x16, &x32, &x16);
1249
1250         err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1251                         num_outstreams, num_instreams, &pcm);
1252         if (err < 0)
1253                 return err;
1254         /* pointer to ops struct is stored, dont change ops afterwards! */
1255                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1256                                 &snd_card_asihpi_playback_mmap_ops);
1257                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1258                                 &snd_card_asihpi_capture_mmap_ops);
1259
1260         pcm->private_data = asihpi;
1261         pcm->info_flags = 0;
1262         strcpy(pcm->name, "Asihpi PCM");
1263
1264         /*? do we want to emulate MMAP for non-BBM cards?
1265         Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1266         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1267                                                 snd_dma_pci_data(asihpi->pci),
1268                                                 64*1024, BUFFER_BYTES_MAX);
1269
1270         return 0;
1271 }
1272
1273 /***************************** MIXER CONTROLS ****************/
1274 struct hpi_control {
1275         u32 h_control;
1276         u16 control_type;
1277         u16 src_node_type;
1278         u16 src_node_index;
1279         u16 dst_node_type;
1280         u16 dst_node_index;
1281         u16 band;
1282         char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
1283 };
1284
1285 static const char * const asihpi_tuner_band_names[] = {
1286         "invalid",
1287         "AM",
1288         "FM mono",
1289         "TV NTSC-M",
1290         "FM stereo",
1291         "AUX",
1292         "TV PAL BG",
1293         "TV PAL I",
1294         "TV PAL DK",
1295         "TV SECAM",
1296 };
1297
1298 compile_time_assert(
1299         (ARRAY_SIZE(asihpi_tuner_band_names) ==
1300                 (HPI_TUNER_BAND_LAST+1)),
1301         assert_tuner_band_names_size);
1302
1303 static const char * const asihpi_src_names[] = {
1304         "no source",
1305         "PCM",
1306         "Line",
1307         "Digital",
1308         "Tuner",
1309         "RF",
1310         "Clock",
1311         "Bitstream",
1312         "Mic",
1313         "Net",
1314         "Analog",
1315         "Adapter",
1316         "RTP",
1317         "Internal"
1318 };
1319
1320 compile_time_assert(
1321         (ARRAY_SIZE(asihpi_src_names) ==
1322                 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1323         assert_src_names_size);
1324
1325 static const char * const asihpi_dst_names[] = {
1326         "no destination",
1327         "PCM",
1328         "Line",
1329         "Digital",
1330         "RF",
1331         "Speaker",
1332         "Net",
1333         "Analog",
1334         "RTP",
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         u32 count;
1413         u16 err;
1414         /* native gains are in millibels */
1415         short min_gain_mB;
1416         short max_gain_mB;
1417         short step_gain_mB;
1418
1419         err = hpi_volume_query_range(h_control,
1420                         &min_gain_mB, &max_gain_mB, &step_gain_mB);
1421         if (err) {
1422                 max_gain_mB = 0;
1423                 min_gain_mB = -10000;
1424                 step_gain_mB = VOL_STEP_mB;
1425         }
1426
1427         err = hpi_meter_query_channels(h_control, &count);
1428         if (err)
1429                 count = HPI_MAX_CHANNELS;
1430
1431         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1432         uinfo->count = count;
1433         uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1434         uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1435         uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1436         return 0;
1437 }
1438
1439 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1440                                  struct snd_ctl_elem_value *ucontrol)
1441 {
1442         u32 h_control = kcontrol->private_value;
1443         short an_gain_mB[HPI_MAX_CHANNELS];
1444
1445         hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1446         ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1447         ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1448
1449         return 0;
1450 }
1451
1452 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1453                                  struct snd_ctl_elem_value *ucontrol)
1454 {
1455         int change;
1456         u32 h_control = kcontrol->private_value;
1457         short an_gain_mB[HPI_MAX_CHANNELS];
1458
1459         an_gain_mB[0] =
1460             (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1461         an_gain_mB[1] =
1462             (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1463         /*  change = asihpi->mixer_volume[addr][0] != left ||
1464            asihpi->mixer_volume[addr][1] != right;
1465          */
1466         change = 1;
1467         hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1468         return change;
1469 }
1470
1471 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1472
1473 #define snd_asihpi_volume_mute_info     snd_ctl_boolean_mono_info
1474
1475 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1476                                  struct snd_ctl_elem_value *ucontrol)
1477 {
1478         u32 h_control = kcontrol->private_value;
1479         u32 mute;
1480
1481         hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1482         ucontrol->value.integer.value[0] = mute ? 0 : 1;
1483
1484         return 0;
1485 }
1486
1487 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1488                                  struct snd_ctl_elem_value *ucontrol)
1489 {
1490         u32 h_control = kcontrol->private_value;
1491         int change = 1;
1492         /* HPI currently only supports all or none muting of multichannel volume
1493         ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1494         */
1495         int mute =  ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1496         hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1497         return change;
1498 }
1499
1500 static int __devinit snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1501                                         struct hpi_control *hpi_ctl)
1502 {
1503         struct snd_card *card = asihpi->card;
1504         struct snd_kcontrol_new snd_control;
1505         int err;
1506         u32 mute;
1507
1508         asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1509         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1510                                 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1511         snd_control.info = snd_asihpi_volume_info;
1512         snd_control.get = snd_asihpi_volume_get;
1513         snd_control.put = snd_asihpi_volume_put;
1514         snd_control.tlv.p = db_scale_100;
1515
1516         err = ctl_add(card, &snd_control, asihpi);
1517         if (err)
1518                 return err;
1519
1520         if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1521                 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1522                 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1523                 snd_control.info = snd_asihpi_volume_mute_info;
1524                 snd_control.get = snd_asihpi_volume_mute_get;
1525                 snd_control.put = snd_asihpi_volume_mute_put;
1526                 err = ctl_add(card, &snd_control, asihpi);
1527         }
1528         return err;
1529 }
1530
1531 /*------------------------------------------------------------
1532    Level controls
1533  ------------------------------------------------------------*/
1534 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1535                                  struct snd_ctl_elem_info *uinfo)
1536 {
1537         u32 h_control = kcontrol->private_value;
1538         u16 err;
1539         short min_gain_mB;
1540         short max_gain_mB;
1541         short step_gain_mB;
1542
1543         err =
1544             hpi_level_query_range(h_control, &min_gain_mB,
1545                                &max_gain_mB, &step_gain_mB);
1546         if (err) {
1547                 max_gain_mB = 2400;
1548                 min_gain_mB = -1000;
1549                 step_gain_mB = 100;
1550         }
1551
1552         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1553         uinfo->count = 2;
1554         uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1555         uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1556         uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1557         return 0;
1558 }
1559
1560 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1561                                 struct snd_ctl_elem_value *ucontrol)
1562 {
1563         u32 h_control = kcontrol->private_value;
1564         short an_gain_mB[HPI_MAX_CHANNELS];
1565
1566         hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1567         ucontrol->value.integer.value[0] =
1568             an_gain_mB[0] / HPI_UNITS_PER_dB;
1569         ucontrol->value.integer.value[1] =
1570             an_gain_mB[1] / HPI_UNITS_PER_dB;
1571
1572         return 0;
1573 }
1574
1575 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1576                                 struct snd_ctl_elem_value *ucontrol)
1577 {
1578         int change;
1579         u32 h_control = kcontrol->private_value;
1580         short an_gain_mB[HPI_MAX_CHANNELS];
1581
1582         an_gain_mB[0] =
1583             (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1584         an_gain_mB[1] =
1585             (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1586         /*  change = asihpi->mixer_level[addr][0] != left ||
1587            asihpi->mixer_level[addr][1] != right;
1588          */
1589         change = 1;
1590         hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1591         return change;
1592 }
1593
1594 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1595
1596 static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1597                                         struct hpi_control *hpi_ctl)
1598 {
1599         struct snd_card *card = asihpi->card;
1600         struct snd_kcontrol_new snd_control;
1601
1602         /* can't use 'volume' cos some nodes have volume as well */
1603         asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1604         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1605                                 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1606         snd_control.info = snd_asihpi_level_info;
1607         snd_control.get = snd_asihpi_level_get;
1608         snd_control.put = snd_asihpi_level_put;
1609         snd_control.tlv.p = db_scale_level;
1610
1611         return ctl_add(card, &snd_control, asihpi);
1612 }
1613
1614 /*------------------------------------------------------------
1615    AESEBU controls
1616  ------------------------------------------------------------*/
1617
1618 /* AESEBU format */
1619 static const char * const asihpi_aesebu_format_names[] = {
1620         "N/A", "S/PDIF", "AES/EBU" };
1621
1622 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1623                                   struct snd_ctl_elem_info *uinfo)
1624 {
1625         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1626         uinfo->count = 1;
1627         uinfo->value.enumerated.items = 3;
1628
1629         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1630                 uinfo->value.enumerated.item =
1631                         uinfo->value.enumerated.items - 1;
1632
1633         strcpy(uinfo->value.enumerated.name,
1634                 asihpi_aesebu_format_names[uinfo->value.enumerated.item]);
1635
1636         return 0;
1637 }
1638
1639 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1640                         struct snd_ctl_elem_value *ucontrol,
1641                         u16 (*func)(u32, u16 *))
1642 {
1643         u32 h_control = kcontrol->private_value;
1644         u16 source, err;
1645
1646         err = func(h_control, &source);
1647
1648         /* default to N/A */
1649         ucontrol->value.enumerated.item[0] = 0;
1650         /* return success but set the control to N/A */
1651         if (err)
1652                 return 0;
1653         if (source == HPI_AESEBU_FORMAT_SPDIF)
1654                 ucontrol->value.enumerated.item[0] = 1;
1655         if (source == HPI_AESEBU_FORMAT_AESEBU)
1656                 ucontrol->value.enumerated.item[0] = 2;
1657
1658         return 0;
1659 }
1660
1661 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1662                         struct snd_ctl_elem_value *ucontrol,
1663                          u16 (*func)(u32, u16))
1664 {
1665         u32 h_control = kcontrol->private_value;
1666
1667         /* default to S/PDIF */
1668         u16 source = HPI_AESEBU_FORMAT_SPDIF;
1669
1670         if (ucontrol->value.enumerated.item[0] == 1)
1671                 source = HPI_AESEBU_FORMAT_SPDIF;
1672         if (ucontrol->value.enumerated.item[0] == 2)
1673                 source = HPI_AESEBU_FORMAT_AESEBU;
1674
1675         if (func(h_control, source) != 0)
1676                 return -EINVAL;
1677
1678         return 1;
1679 }
1680
1681 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1682                                  struct snd_ctl_elem_value *ucontrol) {
1683         return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1684                                         hpi_aesebu_receiver_get_format);
1685 }
1686
1687 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1688                                  struct snd_ctl_elem_value *ucontrol) {
1689         return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1690                                         hpi_aesebu_receiver_set_format);
1691 }
1692
1693 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1694                                   struct snd_ctl_elem_info *uinfo)
1695 {
1696         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1697         uinfo->count = 1;
1698
1699         uinfo->value.integer.min = 0;
1700         uinfo->value.integer.max = 0X1F;
1701         uinfo->value.integer.step = 1;
1702
1703         return 0;
1704 }
1705
1706 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1707                                  struct snd_ctl_elem_value *ucontrol) {
1708
1709         u32 h_control = kcontrol->private_value;
1710         u16 status;
1711
1712         hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1713                                          h_control, &status));
1714         ucontrol->value.integer.value[0] = status;
1715         return 0;
1716 }
1717
1718 static int __devinit snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1719                                         struct hpi_control *hpi_ctl)
1720 {
1721         struct snd_card *card = asihpi->card;
1722         struct snd_kcontrol_new snd_control;
1723
1724         asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1725         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1726         snd_control.info = snd_asihpi_aesebu_format_info;
1727         snd_control.get = snd_asihpi_aesebu_rx_format_get;
1728         snd_control.put = snd_asihpi_aesebu_rx_format_put;
1729
1730
1731         if (ctl_add(card, &snd_control, asihpi) < 0)
1732                 return -EINVAL;
1733
1734         asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1735         snd_control.access =
1736             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1737         snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1738         snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1739
1740         return ctl_add(card, &snd_control, asihpi);
1741 }
1742
1743 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1744                                  struct snd_ctl_elem_value *ucontrol) {
1745         return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1746                                         hpi_aesebu_transmitter_get_format);
1747 }
1748
1749 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1750                                  struct snd_ctl_elem_value *ucontrol) {
1751         return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1752                                         hpi_aesebu_transmitter_set_format);
1753 }
1754
1755
1756 static int __devinit snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1757                                         struct hpi_control *hpi_ctl)
1758 {
1759         struct snd_card *card = asihpi->card;
1760         struct snd_kcontrol_new snd_control;
1761
1762         asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1763         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1764         snd_control.info = snd_asihpi_aesebu_format_info;
1765         snd_control.get = snd_asihpi_aesebu_tx_format_get;
1766         snd_control.put = snd_asihpi_aesebu_tx_format_put;
1767
1768         return ctl_add(card, &snd_control, asihpi);
1769 }
1770
1771 /*------------------------------------------------------------
1772    Tuner controls
1773  ------------------------------------------------------------*/
1774
1775 /* Gain */
1776
1777 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1778                                   struct snd_ctl_elem_info *uinfo)
1779 {
1780         u32 h_control = kcontrol->private_value;
1781         u16 err;
1782         short idx;
1783         u16 gain_range[3];
1784
1785         for (idx = 0; idx < 3; idx++) {
1786                 err = hpi_tuner_query_gain(h_control,
1787                                           idx, &gain_range[idx]);
1788                 if (err != 0)
1789                         return err;
1790         }
1791
1792         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1793         uinfo->count = 1;
1794         uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1795         uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1796         uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1797         return 0;
1798 }
1799
1800 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1801                                  struct snd_ctl_elem_value *ucontrol)
1802 {
1803         /*
1804         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1805         */
1806         u32 h_control = kcontrol->private_value;
1807         short gain;
1808
1809         hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1810         ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1811
1812         return 0;
1813 }
1814
1815 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1816                                  struct snd_ctl_elem_value *ucontrol)
1817 {
1818         /*
1819         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1820         */
1821         u32 h_control = kcontrol->private_value;
1822         short gain;
1823
1824         gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1825         hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1826
1827         return 1;
1828 }
1829
1830 /* Band  */
1831
1832 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1833                                         u16 *band_list, u32 len) {
1834         u32 h_control = kcontrol->private_value;
1835         u16 err = 0;
1836         u32 i;
1837
1838         for (i = 0; i < len; i++) {
1839                 err = hpi_tuner_query_band(
1840                                 h_control, i, &band_list[i]);
1841                 if (err != 0)
1842                         break;
1843         }
1844
1845         if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1846                 return -EIO;
1847
1848         return i;
1849 }
1850
1851 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1852                                   struct snd_ctl_elem_info *uinfo)
1853 {
1854         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1855         int num_bands = 0;
1856
1857         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1858                                 HPI_TUNER_BAND_LAST);
1859
1860         if (num_bands < 0)
1861                 return num_bands;
1862
1863         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1864         uinfo->count = 1;
1865         uinfo->value.enumerated.items = num_bands;
1866
1867         if (num_bands > 0) {
1868                 if (uinfo->value.enumerated.item >=
1869                                         uinfo->value.enumerated.items)
1870                         uinfo->value.enumerated.item =
1871                                 uinfo->value.enumerated.items - 1;
1872
1873                 strcpy(uinfo->value.enumerated.name,
1874                         asihpi_tuner_band_names[
1875                                 tuner_bands[uinfo->value.enumerated.item]]);
1876
1877         }
1878         return 0;
1879 }
1880
1881 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1882                                  struct snd_ctl_elem_value *ucontrol)
1883 {
1884         u32 h_control = kcontrol->private_value;
1885         /*
1886         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1887         */
1888         u16 band, idx;
1889         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1890         u32 num_bands = 0;
1891
1892         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1893                                 HPI_TUNER_BAND_LAST);
1894
1895         hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1896
1897         ucontrol->value.enumerated.item[0] = -1;
1898         for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1899                 if (tuner_bands[idx] == band) {
1900                         ucontrol->value.enumerated.item[0] = idx;
1901                         break;
1902                 }
1903
1904         return 0;
1905 }
1906
1907 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1908                                  struct snd_ctl_elem_value *ucontrol)
1909 {
1910         /*
1911         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1912         */
1913         u32 h_control = kcontrol->private_value;
1914         u16 band;
1915         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1916         u32 num_bands = 0;
1917
1918         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1919                         HPI_TUNER_BAND_LAST);
1920
1921         band = tuner_bands[ucontrol->value.enumerated.item[0]];
1922         hpi_handle_error(hpi_tuner_set_band(h_control, band));
1923
1924         return 1;
1925 }
1926
1927 /* Freq */
1928
1929 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1930                                   struct snd_ctl_elem_info *uinfo)
1931 {
1932         u32 h_control = kcontrol->private_value;
1933         u16 err;
1934         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1935         u16 num_bands = 0, band_iter, idx;
1936         u32 freq_range[3], temp_freq_range[3];
1937
1938         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1939                         HPI_TUNER_BAND_LAST);
1940
1941         freq_range[0] = INT_MAX;
1942         freq_range[1] = 0;
1943         freq_range[2] = INT_MAX;
1944
1945         for (band_iter = 0; band_iter < num_bands; band_iter++) {
1946                 for (idx = 0; idx < 3; idx++) {
1947                         err = hpi_tuner_query_frequency(h_control,
1948                                 idx, tuner_bands[band_iter],
1949                                 &temp_freq_range[idx]);
1950                         if (err != 0)
1951                                 return err;
1952                 }
1953
1954                 /* skip band with bogus stepping */
1955                 if (temp_freq_range[2] <= 0)
1956                         continue;
1957
1958                 if (temp_freq_range[0] < freq_range[0])
1959                         freq_range[0] = temp_freq_range[0];
1960                 if (temp_freq_range[1] > freq_range[1])
1961                         freq_range[1] = temp_freq_range[1];
1962                 if (temp_freq_range[2] < freq_range[2])
1963                         freq_range[2] = temp_freq_range[2];
1964         }
1965
1966         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1967         uinfo->count = 1;
1968         uinfo->value.integer.min = ((int)freq_range[0]);
1969         uinfo->value.integer.max = ((int)freq_range[1]);
1970         uinfo->value.integer.step = ((int)freq_range[2]);
1971         return 0;
1972 }
1973
1974 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
1975                                  struct snd_ctl_elem_value *ucontrol)
1976 {
1977         u32 h_control = kcontrol->private_value;
1978         u32 freq;
1979
1980         hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
1981         ucontrol->value.integer.value[0] = freq;
1982
1983         return 0;
1984 }
1985
1986 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
1987                                  struct snd_ctl_elem_value *ucontrol)
1988 {
1989         u32 h_control = kcontrol->private_value;
1990         u32 freq;
1991
1992         freq = ucontrol->value.integer.value[0];
1993         hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
1994
1995         return 1;
1996 }
1997
1998 /* Tuner control group initializer  */
1999 static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
2000                                         struct hpi_control *hpi_ctl)
2001 {
2002         struct snd_card *card = asihpi->card;
2003         struct snd_kcontrol_new snd_control;
2004
2005         snd_control.private_value = hpi_ctl->h_control;
2006         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2007
2008         if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2009                 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2010                 snd_control.info = snd_asihpi_tuner_gain_info;
2011                 snd_control.get = snd_asihpi_tuner_gain_get;
2012                 snd_control.put = snd_asihpi_tuner_gain_put;
2013
2014                 if (ctl_add(card, &snd_control, asihpi) < 0)
2015                         return -EINVAL;
2016         }
2017
2018         asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2019         snd_control.info = snd_asihpi_tuner_band_info;
2020         snd_control.get = snd_asihpi_tuner_band_get;
2021         snd_control.put = snd_asihpi_tuner_band_put;
2022
2023         if (ctl_add(card, &snd_control, asihpi) < 0)
2024                 return -EINVAL;
2025
2026         asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2027         snd_control.info = snd_asihpi_tuner_freq_info;
2028         snd_control.get = snd_asihpi_tuner_freq_get;
2029         snd_control.put = snd_asihpi_tuner_freq_put;
2030
2031         return ctl_add(card, &snd_control, asihpi);
2032 }
2033
2034 /*------------------------------------------------------------
2035    Meter controls
2036  ------------------------------------------------------------*/
2037 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2038                                  struct snd_ctl_elem_info *uinfo)
2039 {
2040         u32 h_control = kcontrol->private_value;
2041         u32 count;
2042         u16 err;
2043         err = hpi_meter_query_channels(h_control, &count);
2044         if (err)
2045                 count = HPI_MAX_CHANNELS;
2046
2047         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2048         uinfo->count = count;
2049         uinfo->value.integer.min = 0;
2050         uinfo->value.integer.max = 0x7FFFFFFF;
2051         return 0;
2052 }
2053
2054 /* linear values for 10dB steps */
2055 static int log2lin[] = {
2056         0x7FFFFFFF, /* 0dB */
2057         679093956,
2058         214748365,
2059          67909396,
2060          21474837,
2061           6790940,
2062           2147484, /* -60dB */
2063            679094,
2064            214748, /* -80 */
2065             67909,
2066             21475, /* -100 */
2067              6791,
2068              2147,
2069               679,
2070               214,
2071                68,
2072                21,
2073                 7,
2074                 2
2075 };
2076
2077 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2078                                 struct snd_ctl_elem_value *ucontrol)
2079 {
2080         u32 h_control = kcontrol->private_value;
2081         short an_gain_mB[HPI_MAX_CHANNELS], i;
2082         u16 err;
2083
2084         err = hpi_meter_get_peak(h_control, an_gain_mB);
2085
2086         for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2087                 if (err) {
2088                         ucontrol->value.integer.value[i] = 0;
2089                 } else if (an_gain_mB[i] >= 0) {
2090                         ucontrol->value.integer.value[i] =
2091                                 an_gain_mB[i] << 16;
2092                 } else {
2093                         /* -ve is log value in millibels < -60dB,
2094                         * convert to (roughly!) linear,
2095                         */
2096                         ucontrol->value.integer.value[i] =
2097                                         log2lin[an_gain_mB[i] / -1000];
2098                 }
2099         }
2100         return 0;
2101 }
2102
2103 static int __devinit snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2104                                         struct hpi_control *hpi_ctl, int subidx)
2105 {
2106         struct snd_card *card = asihpi->card;
2107         struct snd_kcontrol_new snd_control;
2108
2109         asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2110         snd_control.access =
2111             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2112         snd_control.info = snd_asihpi_meter_info;
2113         snd_control.get = snd_asihpi_meter_get;
2114
2115         snd_control.index = subidx;
2116
2117         return ctl_add(card, &snd_control, asihpi);
2118 }
2119
2120 /*------------------------------------------------------------
2121    Multiplexer controls
2122  ------------------------------------------------------------*/
2123 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2124 {
2125         u32 h_control = snd_control->private_value;
2126         struct hpi_control hpi_ctl;
2127         int s, err;
2128         for (s = 0; s < 32; s++) {
2129                 err = hpi_multiplexer_query_source(h_control, s,
2130                                                   &hpi_ctl.
2131                                                   src_node_type,
2132                                                   &hpi_ctl.
2133                                                   src_node_index);
2134                 if (err)
2135                         break;
2136         }
2137         return s;
2138 }
2139
2140 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2141                                struct snd_ctl_elem_info *uinfo)
2142 {
2143         int err;
2144         u16 src_node_type, src_node_index;
2145         u32 h_control = kcontrol->private_value;
2146
2147         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2148         uinfo->count = 1;
2149         uinfo->value.enumerated.items =
2150             snd_card_asihpi_mux_count_sources(kcontrol);
2151
2152         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2153                 uinfo->value.enumerated.item =
2154                     uinfo->value.enumerated.items - 1;
2155
2156         err =
2157             hpi_multiplexer_query_source(h_control,
2158                                         uinfo->value.enumerated.item,
2159                                         &src_node_type, &src_node_index);
2160
2161         sprintf(uinfo->value.enumerated.name, "%s %d",
2162                 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2163                 src_node_index);
2164         return 0;
2165 }
2166
2167 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2168                               struct snd_ctl_elem_value *ucontrol)
2169 {
2170         u32 h_control = kcontrol->private_value;
2171         u16 source_type, source_index;
2172         u16 src_node_type, src_node_index;
2173         int s;
2174
2175         hpi_handle_error(hpi_multiplexer_get_source(h_control,
2176                                 &source_type, &source_index));
2177         /* Should cache this search result! */
2178         for (s = 0; s < 256; s++) {
2179                 if (hpi_multiplexer_query_source(h_control, s,
2180                                             &src_node_type, &src_node_index))
2181                         break;
2182
2183                 if ((source_type == src_node_type)
2184                     && (source_index == src_node_index)) {
2185                         ucontrol->value.enumerated.item[0] = s;
2186                         return 0;
2187                 }
2188         }
2189         snd_printd(KERN_WARNING
2190                 "Control %x failed to match mux source %hu %hu\n",
2191                 h_control, source_type, source_index);
2192         ucontrol->value.enumerated.item[0] = 0;
2193         return 0;
2194 }
2195
2196 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2197                               struct snd_ctl_elem_value *ucontrol)
2198 {
2199         int change;
2200         u32 h_control = kcontrol->private_value;
2201         u16 source_type, source_index;
2202         u16 e;
2203
2204         change = 1;
2205
2206         e = hpi_multiplexer_query_source(h_control,
2207                                     ucontrol->value.enumerated.item[0],
2208                                     &source_type, &source_index);
2209         if (!e)
2210                 hpi_handle_error(
2211                         hpi_multiplexer_set_source(h_control,
2212                                                 source_type, source_index));
2213         return change;
2214 }
2215
2216
2217 static int  __devinit snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2218                                         struct hpi_control *hpi_ctl)
2219 {
2220         struct snd_card *card = asihpi->card;
2221         struct snd_kcontrol_new snd_control;
2222
2223         asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2224         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2225         snd_control.info = snd_asihpi_mux_info;
2226         snd_control.get = snd_asihpi_mux_get;
2227         snd_control.put = snd_asihpi_mux_put;
2228
2229         return ctl_add(card, &snd_control, asihpi);
2230
2231 }
2232
2233 /*------------------------------------------------------------
2234    Channel mode controls
2235  ------------------------------------------------------------*/
2236 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2237                                  struct snd_ctl_elem_info *uinfo)
2238 {
2239         static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2240                 "invalid",
2241                 "Normal", "Swap",
2242                 "From Left", "From Right",
2243                 "To Left", "To Right"
2244         };
2245
2246         u32 h_control = kcontrol->private_value;
2247         u16 mode;
2248         int i;
2249         u16 mode_map[6];
2250         int valid_modes = 0;
2251
2252         /* HPI channel mode values can be from 1 to 6
2253         Some adapters only support a contiguous subset
2254         */
2255         for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2256                 if (!hpi_channel_mode_query_mode(
2257                         h_control, i, &mode)) {
2258                         mode_map[valid_modes] = mode;
2259                         valid_modes++;
2260                         }
2261
2262         if (!valid_modes)
2263                 return -EINVAL;
2264
2265         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2266         uinfo->count = 1;
2267         uinfo->value.enumerated.items = valid_modes;
2268
2269         if (uinfo->value.enumerated.item >= valid_modes)
2270                 uinfo->value.enumerated.item = valid_modes - 1;
2271
2272         strcpy(uinfo->value.enumerated.name,
2273                mode_names[mode_map[uinfo->value.enumerated.item]]);
2274
2275         return 0;
2276 }
2277
2278 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2279                                 struct snd_ctl_elem_value *ucontrol)
2280 {
2281         u32 h_control = kcontrol->private_value;
2282         u16 mode;
2283
2284         if (hpi_channel_mode_get(h_control, &mode))
2285                 mode = 1;
2286
2287         ucontrol->value.enumerated.item[0] = mode - 1;
2288
2289         return 0;
2290 }
2291
2292 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2293                                 struct snd_ctl_elem_value *ucontrol)
2294 {
2295         int change;
2296         u32 h_control = kcontrol->private_value;
2297
2298         change = 1;
2299
2300         hpi_handle_error(hpi_channel_mode_set(h_control,
2301                            ucontrol->value.enumerated.item[0] + 1));
2302         return change;
2303 }
2304
2305
2306 static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2307                                         struct hpi_control *hpi_ctl)
2308 {
2309         struct snd_card *card = asihpi->card;
2310         struct snd_kcontrol_new snd_control;
2311
2312         asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2313         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2314         snd_control.info = snd_asihpi_cmode_info;
2315         snd_control.get = snd_asihpi_cmode_get;
2316         snd_control.put = snd_asihpi_cmode_put;
2317
2318         return ctl_add(card, &snd_control, asihpi);
2319 }
2320
2321 /*------------------------------------------------------------
2322    Sampleclock source  controls
2323  ------------------------------------------------------------*/
2324 static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
2325         "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2326         "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2327         "Prev Module",
2328         "Digital2", "Digital3", "Digital4", "Digital5",
2329         "Digital6", "Digital7", "Digital8"};
2330
2331 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2332                                   struct snd_ctl_elem_info *uinfo)
2333 {
2334         struct snd_card_asihpi *asihpi =
2335                         (struct snd_card_asihpi *)(kcontrol->private_data);
2336         struct clk_cache *clkcache = &asihpi->cc;
2337         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2338         uinfo->count = 1;
2339         uinfo->value.enumerated.items = clkcache->count;
2340
2341         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2342                 uinfo->value.enumerated.item =
2343                                 uinfo->value.enumerated.items - 1;
2344
2345         strcpy(uinfo->value.enumerated.name,
2346                clkcache->s[uinfo->value.enumerated.item].name);
2347         return 0;
2348 }
2349
2350 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2351                                  struct snd_ctl_elem_value *ucontrol)
2352 {
2353         struct snd_card_asihpi *asihpi =
2354                         (struct snd_card_asihpi *)(kcontrol->private_data);
2355         struct clk_cache *clkcache = &asihpi->cc;
2356         u32 h_control = kcontrol->private_value;
2357         u16 source, srcindex = 0;
2358         int i;
2359
2360         ucontrol->value.enumerated.item[0] = 0;
2361         if (hpi_sample_clock_get_source(h_control, &source))
2362                 source = 0;
2363
2364         if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2365                 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2366                         srcindex = 0;
2367
2368         for (i = 0; i < clkcache->count; i++)
2369                 if ((clkcache->s[i].source == source) &&
2370                         (clkcache->s[i].index == srcindex))
2371                         break;
2372
2373         ucontrol->value.enumerated.item[0] = i;
2374
2375         return 0;
2376 }
2377
2378 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2379                                  struct snd_ctl_elem_value *ucontrol)
2380 {
2381         struct snd_card_asihpi *asihpi =
2382                         (struct snd_card_asihpi *)(kcontrol->private_data);
2383         struct clk_cache *clkcache = &asihpi->cc;
2384         int change, item;
2385         u32 h_control = kcontrol->private_value;
2386
2387         change = 1;
2388         item = ucontrol->value.enumerated.item[0];
2389         if (item >= clkcache->count)
2390                 item = clkcache->count-1;
2391
2392         hpi_handle_error(hpi_sample_clock_set_source(
2393                                 h_control, clkcache->s[item].source));
2394
2395         if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2396                 hpi_handle_error(hpi_sample_clock_set_source_index(
2397                                 h_control, clkcache->s[item].index));
2398         return change;
2399 }
2400
2401 /*------------------------------------------------------------
2402    Clkrate controls
2403  ------------------------------------------------------------*/
2404 /* Need to change this to enumerated control with list of rates */
2405 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2406                                    struct snd_ctl_elem_info *uinfo)
2407 {
2408         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2409         uinfo->count = 1;
2410         uinfo->value.integer.min = 8000;
2411         uinfo->value.integer.max = 192000;
2412         uinfo->value.integer.step = 100;
2413
2414         return 0;
2415 }
2416
2417 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2418                                   struct snd_ctl_elem_value *ucontrol)
2419 {
2420         u32 h_control = kcontrol->private_value;
2421         u32 rate;
2422         u16 e;
2423
2424         e = hpi_sample_clock_get_local_rate(h_control, &rate);
2425         if (!e)
2426                 ucontrol->value.integer.value[0] = rate;
2427         else
2428                 ucontrol->value.integer.value[0] = 0;
2429         return 0;
2430 }
2431
2432 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2433                                   struct snd_ctl_elem_value *ucontrol)
2434 {
2435         int change;
2436         u32 h_control = kcontrol->private_value;
2437
2438         /*  change = asihpi->mixer_clkrate[addr][0] != left ||
2439            asihpi->mixer_clkrate[addr][1] != right;
2440          */
2441         change = 1;
2442         hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2443                                       ucontrol->value.integer.value[0]));
2444         return change;
2445 }
2446
2447 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2448                                    struct snd_ctl_elem_info *uinfo)
2449 {
2450         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2451         uinfo->count = 1;
2452         uinfo->value.integer.min = 8000;
2453         uinfo->value.integer.max = 192000;
2454         uinfo->value.integer.step = 100;
2455
2456         return 0;
2457 }
2458
2459 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2460                                   struct snd_ctl_elem_value *ucontrol)
2461 {
2462         u32 h_control = kcontrol->private_value;
2463         u32 rate;
2464         u16 e;
2465
2466         e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2467         if (!e)
2468                 ucontrol->value.integer.value[0] = rate;
2469         else
2470                 ucontrol->value.integer.value[0] = 0;
2471         return 0;
2472 }
2473
2474 static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2475                                         struct hpi_control *hpi_ctl)
2476 {
2477         struct snd_card *card = asihpi->card;
2478         struct snd_kcontrol_new snd_control;
2479
2480         struct clk_cache *clkcache = &asihpi->cc;
2481         u32 hSC =  hpi_ctl->h_control;
2482         int has_aes_in = 0;
2483         int i, j;
2484         u16 source;
2485
2486         snd_control.private_value = hpi_ctl->h_control;
2487
2488         clkcache->has_local = 0;
2489
2490         for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2491                 if  (hpi_sample_clock_query_source(hSC,
2492                                 i, &source))
2493                         break;
2494                 clkcache->s[i].source = source;
2495                 clkcache->s[i].index = 0;
2496                 clkcache->s[i].name = sampleclock_sources[source];
2497                 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2498                         has_aes_in = 1;
2499                 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2500                         clkcache->has_local = 1;
2501         }
2502         if (has_aes_in)
2503                 /* already will have picked up index 0 above */
2504                 for (j = 1; j < 8; j++) {
2505                         if (hpi_sample_clock_query_source_index(hSC,
2506                                 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2507                                 &source))
2508                                 break;
2509                         clkcache->s[i].source =
2510                                 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2511                         clkcache->s[i].index = j;
2512                         clkcache->s[i].name = sampleclock_sources[
2513                                         j+HPI_SAMPLECLOCK_SOURCE_LAST];
2514                         i++;
2515                 }
2516         clkcache->count = i;
2517
2518         asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2519         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2520         snd_control.info = snd_asihpi_clksrc_info;
2521         snd_control.get = snd_asihpi_clksrc_get;
2522         snd_control.put = snd_asihpi_clksrc_put;
2523         if (ctl_add(card, &snd_control, asihpi) < 0)
2524                 return -EINVAL;
2525
2526
2527         if (clkcache->has_local) {
2528                 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2529                 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2530                 snd_control.info = snd_asihpi_clklocal_info;
2531                 snd_control.get = snd_asihpi_clklocal_get;
2532                 snd_control.put = snd_asihpi_clklocal_put;
2533
2534
2535                 if (ctl_add(card, &snd_control, asihpi) < 0)
2536                         return -EINVAL;
2537         }
2538
2539         asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2540         snd_control.access =
2541             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2542         snd_control.info = snd_asihpi_clkrate_info;
2543         snd_control.get = snd_asihpi_clkrate_get;
2544
2545         return ctl_add(card, &snd_control, asihpi);
2546 }
2547 /*------------------------------------------------------------
2548    Mixer
2549  ------------------------------------------------------------*/
2550
2551 static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2552 {
2553         struct snd_card *card = asihpi->card;
2554         unsigned int idx = 0;
2555         unsigned int subindex = 0;
2556         int err;
2557         struct hpi_control hpi_ctl, prev_ctl;
2558
2559         if (snd_BUG_ON(!asihpi))
2560                 return -EINVAL;
2561         strcpy(card->mixername, "Asihpi Mixer");
2562
2563         err =
2564             hpi_mixer_open(asihpi->hpi->adapter->index,
2565                           &asihpi->h_mixer);
2566         hpi_handle_error(err);
2567         if (err)
2568                 return -err;
2569
2570         memset(&prev_ctl, 0, sizeof(prev_ctl));
2571         prev_ctl.control_type = -1;
2572
2573         for (idx = 0; idx < 2000; idx++) {
2574                 err = hpi_mixer_get_control_by_index(
2575                                 asihpi->h_mixer,
2576                                 idx,
2577                                 &hpi_ctl.src_node_type,
2578                                 &hpi_ctl.src_node_index,
2579                                 &hpi_ctl.dst_node_type,
2580                                 &hpi_ctl.dst_node_index,
2581                                 &hpi_ctl.control_type,
2582                                 &hpi_ctl.h_control);
2583                 if (err) {
2584                         if (err == HPI_ERROR_CONTROL_DISABLED) {
2585                                 if (mixer_dump)
2586                                         snd_printk(KERN_INFO
2587                                                    "Disabled HPI Control(%d)\n",
2588                                                    idx);
2589                                 continue;
2590                         } else
2591                                 break;
2592
2593                 }
2594
2595                 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2596                 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2597
2598                 /* ASI50xx in SSX mode has multiple meters on the same node.
2599                    Use subindex to create distinct ALSA controls
2600                    for any duplicated controls.
2601                 */
2602                 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2603                     (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2604                     (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2605                     (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2606                     (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2607                         subindex++;
2608                 else
2609                         subindex = 0;
2610
2611                 prev_ctl = hpi_ctl;
2612
2613                 switch (hpi_ctl.control_type) {
2614                 case HPI_CONTROL_VOLUME:
2615                         err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2616                         break;
2617                 case HPI_CONTROL_LEVEL:
2618                         err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2619                         break;
2620                 case HPI_CONTROL_MULTIPLEXER:
2621                         err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2622                         break;
2623                 case HPI_CONTROL_CHANNEL_MODE:
2624                         err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2625                         break;
2626                 case HPI_CONTROL_METER:
2627                         err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2628                         break;
2629                 case HPI_CONTROL_SAMPLECLOCK:
2630                         err = snd_asihpi_sampleclock_add(
2631                                                 asihpi, &hpi_ctl);
2632                         break;
2633                 case HPI_CONTROL_CONNECTION:    /* ignore these */
2634                         continue;
2635                 case HPI_CONTROL_TUNER:
2636                         err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2637                         break;
2638                 case HPI_CONTROL_AESEBU_TRANSMITTER:
2639                         err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2640                         break;
2641                 case HPI_CONTROL_AESEBU_RECEIVER:
2642                         err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2643                         break;
2644                 case HPI_CONTROL_VOX:
2645                 case HPI_CONTROL_BITSTREAM:
2646                 case HPI_CONTROL_MICROPHONE:
2647                 case HPI_CONTROL_PARAMETRIC_EQ:
2648                 case HPI_CONTROL_COMPANDER:
2649                 default:
2650                         if (mixer_dump)
2651                                 snd_printk(KERN_INFO
2652                                         "Untranslated HPI Control"
2653                                         "(%d) %d %d %d %d %d\n",
2654                                         idx,
2655                                         hpi_ctl.control_type,
2656                                         hpi_ctl.src_node_type,
2657                                         hpi_ctl.src_node_index,
2658                                         hpi_ctl.dst_node_type,
2659                                         hpi_ctl.dst_node_index);
2660                         continue;
2661                 }
2662                 if (err < 0)
2663                         return err;
2664         }
2665         if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2666                 hpi_handle_error(err);
2667
2668         snd_printk(KERN_INFO "%d mixer controls found\n", idx);
2669
2670         return 0;
2671 }
2672
2673 /*------------------------------------------------------------
2674    /proc interface
2675  ------------------------------------------------------------*/
2676
2677 static void
2678 snd_asihpi_proc_read(struct snd_info_entry *entry,
2679                         struct snd_info_buffer *buffer)
2680 {
2681         struct snd_card_asihpi *asihpi = entry->private_data;
2682         u32 h_control;
2683         u32 rate = 0;
2684         u16 source = 0;
2685
2686         u16 num_outstreams;
2687         u16 num_instreams;
2688         u16 version;
2689         u32 serial_number;
2690         u16 type;
2691
2692         int err;
2693
2694         snd_iprintf(buffer, "ASIHPI driver proc file\n");
2695
2696         hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index,
2697                         &num_outstreams, &num_instreams,
2698                         &version, &serial_number, &type));
2699
2700         snd_iprintf(buffer,
2701                         "Adapter type ASI%4X\nHardware Index %d\n"
2702                         "%d outstreams\n%d instreams\n",
2703                         type, asihpi->hpi->adapter->index,
2704                         num_outstreams, num_instreams);
2705
2706         snd_iprintf(buffer,
2707                 "Serial#%d\nHardware version %c%d\nDSP code version %03d\n",
2708                 serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7,
2709                 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2710
2711         err = hpi_mixer_get_control(asihpi->h_mixer,
2712                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2713                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
2714
2715         if (!err) {
2716                 err = hpi_sample_clock_get_sample_rate(h_control, &rate);
2717                 err += hpi_sample_clock_get_source(h_control, &source);
2718
2719                 if (!err)
2720                         snd_iprintf(buffer, "Sample Clock %dHz, source %s\n",
2721                         rate, sampleclock_sources[source]);
2722         }
2723 }
2724
2725 static void __devinit snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2726 {
2727         struct snd_info_entry *entry;
2728
2729         if (!snd_card_proc_new(asihpi->card, "info", &entry))
2730                 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2731 }
2732
2733 /*------------------------------------------------------------
2734    HWDEP
2735  ------------------------------------------------------------*/
2736
2737 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2738 {
2739         if (enable_hpi_hwdep)
2740                 return 0;
2741         else
2742                 return -ENODEV;
2743
2744 }
2745
2746 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2747 {
2748         if (enable_hpi_hwdep)
2749                 return asihpi_hpi_release(file);
2750         else
2751                 return -ENODEV;
2752 }
2753
2754 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2755                                 unsigned int cmd, unsigned long arg)
2756 {
2757         if (enable_hpi_hwdep)
2758                 return asihpi_hpi_ioctl(file, cmd, arg);
2759         else
2760                 return -ENODEV;
2761 }
2762
2763
2764 /* results in /dev/snd/hwC#D0 file for each card with index #
2765    also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2766 */
2767 static int __devinit snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi,
2768         int device, struct snd_hwdep **rhwdep)
2769 {
2770         struct snd_hwdep *hw;
2771         int err;
2772
2773         if (rhwdep)
2774                 *rhwdep = NULL;
2775         err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2776         if (err < 0)
2777                 return err;
2778         strcpy(hw->name, "asihpi (HPI)");
2779         hw->iface = SNDRV_HWDEP_IFACE_LAST;
2780         hw->ops.open = snd_asihpi_hpi_open;
2781         hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2782         hw->ops.release = snd_asihpi_hpi_release;
2783         hw->private_data = asihpi;
2784         if (rhwdep)
2785                 *rhwdep = hw;
2786         return 0;
2787 }
2788
2789 /*------------------------------------------------------------
2790    CARD
2791  ------------------------------------------------------------*/
2792 static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
2793                                        const struct pci_device_id *pci_id)
2794 {
2795         int err;
2796         struct hpi_adapter *hpi;
2797         struct snd_card *card;
2798         struct snd_card_asihpi *asihpi;
2799
2800         u32 h_control;
2801         u32 h_stream;
2802         u32 adapter_index;
2803
2804         static int dev;
2805         if (dev >= SNDRV_CARDS)
2806                 return -ENODEV;
2807
2808         /* Should this be enable[hpi->index] ? */
2809         if (!enable[dev]) {
2810                 dev++;
2811                 return -ENOENT;
2812         }
2813
2814         /* Initialise low-level HPI driver */
2815         err = asihpi_adapter_probe(pci_dev, pci_id);
2816         if (err < 0)
2817                 return err;
2818
2819         hpi = pci_get_drvdata(pci_dev);
2820         adapter_index = hpi->adapter->index;
2821         /* first try to give the card the same index as its hardware index */
2822         err = snd_card_create(adapter_index,
2823                               id[adapter_index], THIS_MODULE,
2824                               sizeof(struct snd_card_asihpi),
2825                               &card);
2826         if (err < 0) {
2827                 /* if that fails, try the default index==next available */
2828                 err =
2829                     snd_card_create(index[dev], id[dev],
2830                                     THIS_MODULE,
2831                                     sizeof(struct snd_card_asihpi),
2832                                     &card);
2833                 if (err < 0)
2834                         return err;
2835                 snd_printk(KERN_WARNING
2836                         "**** WARNING **** Adapter index %d->ALSA index %d\n",
2837                         adapter_index, card->number);
2838         }
2839
2840         snd_card_set_dev(card, &pci_dev->dev);
2841
2842         asihpi = card->private_data;
2843         asihpi->card = card;
2844         asihpi->pci = pci_dev;
2845         asihpi->hpi = hpi;
2846
2847         snd_printk(KERN_INFO "adapter ID=%4X index=%d\n",
2848                         asihpi->hpi->adapter->type, adapter_index);
2849
2850         err = hpi_adapter_get_property(adapter_index,
2851                 HPI_ADAPTER_PROPERTY_CAPS1,
2852                 NULL, &asihpi->support_grouping);
2853         if (err)
2854                 asihpi->support_grouping = 0;
2855
2856         err = hpi_adapter_get_property(adapter_index,
2857                 HPI_ADAPTER_PROPERTY_CAPS2,
2858                 &asihpi->support_mrx, NULL);
2859         if (err)
2860                 asihpi->support_mrx = 0;
2861
2862         err = hpi_adapter_get_property(adapter_index,
2863                 HPI_ADAPTER_PROPERTY_INTERVAL,
2864                 NULL, &asihpi->update_interval_frames);
2865         if (err)
2866                 asihpi->update_interval_frames = 512;
2867
2868         if (!asihpi->can_dma)
2869                 asihpi->update_interval_frames *= 2;
2870
2871         hpi_handle_error(hpi_instream_open(adapter_index,
2872                              0, &h_stream));
2873
2874         err = hpi_instream_host_buffer_free(h_stream);
2875         asihpi->can_dma = (!err);
2876
2877         hpi_handle_error(hpi_instream_close(h_stream));
2878
2879         err = hpi_adapter_get_property(adapter_index,
2880                 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2881                 &asihpi->in_max_chans, &asihpi->out_max_chans);
2882         if (err) {
2883                 asihpi->in_max_chans = 2;
2884                 asihpi->out_max_chans = 2;
2885         }
2886
2887         if (asihpi->out_max_chans > 2) { /* assume LL mode */
2888                 asihpi->out_min_chans = asihpi->out_max_chans;
2889                 asihpi->in_min_chans = asihpi->in_max_chans;
2890                 asihpi->support_grouping = 0;
2891         } else {
2892                 asihpi->out_min_chans = 1;
2893                 asihpi->in_min_chans = 1;
2894         }
2895
2896         snd_printk(KERN_INFO "Has dma:%d, grouping:%d, mrx:%d\n",
2897                         asihpi->can_dma,
2898                         asihpi->support_grouping,
2899                         asihpi->support_mrx
2900               );
2901
2902         err = snd_card_asihpi_pcm_new(asihpi, 0);
2903         if (err < 0) {
2904                 snd_printk(KERN_ERR "pcm_new failed\n");
2905                 goto __nodev;
2906         }
2907         err = snd_card_asihpi_mixer_new(asihpi);
2908         if (err < 0) {
2909                 snd_printk(KERN_ERR "mixer_new failed\n");
2910                 goto __nodev;
2911         }
2912
2913         err = hpi_mixer_get_control(asihpi->h_mixer,
2914                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2915                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
2916
2917         if (!err)
2918                 err = hpi_sample_clock_set_local_rate(
2919                         h_control, adapter_fs);
2920
2921         snd_asihpi_proc_init(asihpi);
2922
2923         /* always create, can be enabled or disabled dynamically
2924             by enable_hwdep  module param*/
2925         snd_asihpi_hpi_new(asihpi, 0, NULL);
2926
2927         strcpy(card->driver, "ASIHPI");
2928
2929         sprintf(card->shortname, "AudioScience ASI%4X",
2930                         asihpi->hpi->adapter->type);
2931         sprintf(card->longname, "%s %i",
2932                         card->shortname, adapter_index);
2933         err = snd_card_register(card);
2934
2935         if (!err) {
2936                 hpi->snd_card = card;
2937                 dev++;
2938                 return 0;
2939         }
2940 __nodev:
2941         snd_card_free(card);
2942         snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err);
2943         return err;
2944
2945 }
2946
2947 static void __devexit snd_asihpi_remove(struct pci_dev *pci_dev)
2948 {
2949         struct hpi_adapter *hpi = pci_get_drvdata(pci_dev);
2950         snd_card_free(hpi->snd_card);
2951         hpi->snd_card = NULL;
2952         asihpi_adapter_remove(pci_dev);
2953 }
2954
2955 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = {
2956         {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
2957                 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2958                 (kernel_ulong_t)HPI_6205},
2959         {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
2960                 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2961                 (kernel_ulong_t)HPI_6000},
2962         {0,}
2963 };
2964 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
2965
2966 static struct pci_driver driver = {
2967         .name = KBUILD_MODNAME,
2968         .id_table = asihpi_pci_tbl,
2969         .probe = snd_asihpi_probe,
2970         .remove = __devexit_p(snd_asihpi_remove),
2971 #ifdef CONFIG_PM_SLEEP
2972 /*      .suspend = snd_asihpi_suspend,
2973         .resume = snd_asihpi_resume, */
2974 #endif
2975 };
2976
2977 static int __init snd_asihpi_init(void)
2978 {
2979         asihpi_init();
2980         return pci_register_driver(&driver);
2981 }
2982
2983 static void __exit snd_asihpi_exit(void)
2984 {
2985
2986         pci_unregister_driver(&driver);
2987         asihpi_exit();
2988 }
2989
2990 module_init(snd_asihpi_init)
2991 module_exit(snd_asihpi_exit)
2992