sound/pci/asihpi/asihpi.c

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