sound/pci/asihpi/asihpi.c

   1 /*
   2  *  Asihpi soundcard
   3  *  Copyright (c) by AudioScience Inc <[email protected]>
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of version 2 of the GNU General Public License as
   7  *   published by the Free Software Foundation;
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program; if not, write to the Free Software
  16  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17  *
  18  *
  19  *  The following is not a condition of use, merely a request:
  20  *  If you modify this program, particularly if you fix errors, AudioScience Inc
  21  *  would appreciate it if you grant us the right to use those modifications
  22  *  for any purpose including commercial applications.
  23  */
  24
  25 #include "hpi_internal.h"
  26 #include "hpimsginit.h"
  27 #include "hpioctl.h"
  28
  29 #include <linux/pci.h>
  30 #include <linux/init.h>
  31 #include <linux/jiffies.h>
  32 #include <linux/slab.h>
  33 #include <linux/time.h>
  34 #include <linux/wait.h>
  35 #include <linux/module.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. <[email protected]>");
  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 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7)
 105
 106 struct clk_source {
 107         int source;
 108         int index;
 109         char *name;
 110 };
 111
 112 struct clk_cache {
 113         int count;
 114         int has_local;
 115         struct clk_source s[MAX_CLOCKSOURCES];
 116 };
 117
 118 /* Per card data */
 119 struct snd_card_asihpi {
 120         struct snd_card *card;
 121         struct pci_dev *pci;
 122         u16 adapter_index;
 123         u32 serial_number;
 124         u16 type;
 125         u16 version;
 126         u16 num_outstreams;
 127         u16 num_instreams;
 128
 129         u32 h_mixer;
 130         struct clk_cache cc;
 131
 132         u16 can_dma;
 133         u16 support_grouping;
 134         u16 support_mrx;
 135         u16 update_interval_frames;
 136         u16 in_max_chans;
 137         u16 out_max_chans;
 138 };
 139
 140 /* Per stream data */
 141 struct snd_card_asihpi_pcm {
 142         struct timer_list timer;
 143         unsigned int respawn_timer;
 144         unsigned int hpi_buffer_attached;
 145         unsigned int buffer_bytes;
 146         unsigned int period_bytes;
 147         unsigned int bytes_per_sec;
 148         unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
 149         unsigned int pcm_buf_dma_ofs;   /* DMA R/W offset in buffer */
 150         unsigned int pcm_buf_elapsed_dma_ofs;   /* DMA R/W offset in buffer */
 151         unsigned int drained_count;
 152         struct snd_pcm_substream *substream;
 153         u32 h_stream;
 154         struct hpi_format format;
 155 };
 156
 157 /* universal stream verbs work with out or in stream handles */
 158
 159 /* Functions to allow driver to give a buffer to HPI for busmastering */
 160
 161 static u16 hpi_stream_host_buffer_attach(
 162         u32 h_stream,   /* handle to outstream. */
 163         u32 size_in_bytes, /* size in bytes of bus mastering buffer */
 164         u32 pci_address
 165 )
 166 {
 167         struct hpi_message hm;
 168         struct hpi_response hr;
 169         unsigned int obj = hpi_handle_object(h_stream);
 170
 171         if (!h_stream)
 172                 return HPI_ERROR_INVALID_OBJ;
 173         hpi_init_message_response(&hm, &hr, obj,
 174                         obj == HPI_OBJ_OSTREAM ?
 175                                 HPI_OSTREAM_HOSTBUFFER_ALLOC :
 176                                 HPI_ISTREAM_HOSTBUFFER_ALLOC);
 177
 178         hpi_handle_to_indexes(h_stream, &hm.adapter_index,
 179                                 &hm.obj_index);
 180
 181         hm.u.d.u.buffer.buffer_size = size_in_bytes;
 182         hm.u.d.u.buffer.pci_address = pci_address;
 183         hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
 184         hpi_send_recv(&hm, &hr);
 185         return hr.error;
 186 }
 187
 188 static u16 hpi_stream_host_buffer_detach(u32  h_stream)
 189 {
 190         struct hpi_message hm;
 191         struct hpi_response hr;
 192         unsigned int obj = hpi_handle_object(h_stream);
 193
 194         if (!h_stream)
 195                 return HPI_ERROR_INVALID_OBJ;
 196
 197         hpi_init_message_response(&hm, &hr,  obj,
 198                         obj == HPI_OBJ_OSTREAM ?
 199                                 HPI_OSTREAM_HOSTBUFFER_FREE :
 200                                 HPI_ISTREAM_HOSTBUFFER_FREE);
 201
 202         hpi_handle_to_indexes(h_stream, &hm.adapter_index,
 203                                 &hm.obj_index);
 204         hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
 205         hpi_send_recv(&hm, &hr);
 206         return hr.error;
 207 }
 208
 209 static inline u16 hpi_stream_start(u32 h_stream)
 210 {
 211         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 212                 return hpi_outstream_start(h_stream);
 213         else
 214                 return hpi_instream_start(h_stream);
 215 }
 216
 217 static inline u16 hpi_stream_stop(u32 h_stream)
 218 {
 219         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 220                 return hpi_outstream_stop(h_stream);
 221         else
 222                 return hpi_instream_stop(h_stream);
 223 }
 224
 225 static inline u16 hpi_stream_get_info_ex(
 226     u32 h_stream,
 227     u16        *pw_state,
 228     u32        *pbuffer_size,
 229     u32        *pdata_in_buffer,
 230     u32        *psample_count,
 231     u32        *pauxiliary_data
 232 )
 233 {
 234         u16 e;
 235         if (hpi_handle_object(h_stream)  ==  HPI_OBJ_OSTREAM)
 236                 e = hpi_outstream_get_info_ex(h_stream, pw_state,
 237                                         pbuffer_size, pdata_in_buffer,
 238                                         psample_count, pauxiliary_data);
 239         else
 240                 e = hpi_instream_get_info_ex(h_stream, pw_state,
 241                                         pbuffer_size, pdata_in_buffer,
 242                                         psample_count, pauxiliary_data);
 243         return e;
 244 }
 245
 246 static inline u16 hpi_stream_group_add(
 247                                         u32 h_master,
 248                                         u32 h_stream)
 249 {
 250         if (hpi_handle_object(h_master) ==  HPI_OBJ_OSTREAM)
 251                 return hpi_outstream_group_add(h_master, h_stream);
 252         else
 253                 return hpi_instream_group_add(h_master, h_stream);
 254 }
 255
 256 static inline u16 hpi_stream_group_reset(u32 h_stream)
 257 {
 258         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 259                 return hpi_outstream_group_reset(h_stream);
 260         else
 261                 return hpi_instream_group_reset(h_stream);
 262 }
 263
 264 static inline u16 hpi_stream_group_get_map(
 265                                 u32 h_stream, u32 *mo, u32 *mi)
 266 {
 267         if (hpi_handle_object(h_stream) ==  HPI_OBJ_OSTREAM)
 268                 return hpi_outstream_group_get_map(h_stream, mo, mi);
 269         else
 270                 return hpi_instream_group_get_map(h_stream, mo, mi);
 271 }
 272
 273 static u16 handle_error(u16 err, int line, char *filename)
 274 {
 275         if (err)
 276                 printk(KERN_WARNING
 277                         "in file %s, line %d: HPI error %d\n",
 278                         filename, line, err);
 279         return err;
 280 }
 281
 282 #define hpi_handle_error(x)  handle_error(x, __LINE__, __FILE__)
 283
 284 /***************************** GENERAL PCM ****************/
 285
 286 static void print_hwparams(struct snd_pcm_substream *substream,
 287                                 struct snd_pcm_hw_params *p)
 288 {
 289         char name[16];
 290         snd_pcm_debug_name(substream, name, sizeof(name));
 291         snd_printd("%s HWPARAMS\n", name);
 292         snd_printd(" samplerate %d Hz\n", params_rate(p));
 293         snd_printd(" channels %d\n", params_channels(p));
 294         snd_printd(" format %d\n", params_format(p));
 295         snd_printd(" subformat %d\n", params_subformat(p));
 296         snd_printd(" buffer %d B\n", params_buffer_bytes(p));
 297         snd_printd(" period %d B\n", params_period_bytes(p));
 298         snd_printd(" access %d\n", params_access(p));
 299         snd_printd(" period_size %d\n", params_period_size(p));
 300         snd_printd(" periods %d\n", params_periods(p));
 301         snd_printd(" buffer_size %d\n", params_buffer_size(p));
 302         snd_printd(" %d B/s\n", params_rate(p) *
 303                 params_channels(p) *
 304                 snd_pcm_format_width(params_format(p)) / 8);
 305
 306 }
 307
 308 static snd_pcm_format_t hpi_to_alsa_formats[] = {
 309         -1,                     /* INVALID */
 310         SNDRV_PCM_FORMAT_U8,    /* HPI_FORMAT_PCM8_UNSIGNED        1 */
 311         SNDRV_PCM_FORMAT_S16,   /* HPI_FORMAT_PCM16_SIGNED         2 */
 312         -1,                     /* HPI_FORMAT_MPEG_L1              3 */
 313         SNDRV_PCM_FORMAT_MPEG,  /* HPI_FORMAT_MPEG_L2              4 */
 314         SNDRV_PCM_FORMAT_MPEG,  /* HPI_FORMAT_MPEG_L3              5 */
 315         -1,                     /* HPI_FORMAT_DOLBY_AC2            6 */
 316         -1,                     /* HPI_FORMAT_DOLBY_AC3            7 */
 317         SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN      8 */
 318         -1,                     /* HPI_FORMAT_AA_TAGIT1_HITS       9 */
 319         -1,                     /* HPI_FORMAT_AA_TAGIT1_INSERTS   10 */
 320         SNDRV_PCM_FORMAT_S32,   /* HPI_FORMAT_PCM32_SIGNED        11 */
 321         -1,                     /* HPI_FORMAT_RAW_BITSTREAM       12 */
 322         -1,                     /* HPI_FORMAT_AA_TAGIT1_HITS_EX1  13 */
 323         SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT         14 */
 324 #if 1
 325         /* ALSA can't handle 3 byte sample size together with power-of-2
 326          *  constraint on buffer_bytes, so disable this format
 327          */
 328         -1
 329 #else
 330         /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
 331 #endif
 332 };
 333
 334
 335 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
 336                                            u16 *hpi_format)
 337 {
 338         u16 format;
 339
 340         for (format = HPI_FORMAT_PCM8_UNSIGNED;
 341              format <= HPI_FORMAT_PCM24_SIGNED; format++) {
 342                 if (hpi_to_alsa_formats[format] == alsa_format) {
 343                         *hpi_format = format;
 344                         return 0;
 345                 }
 346         }
 347
 348         snd_printd(KERN_WARNING "failed match for alsa format %d\n",
 349                    alsa_format);
 350         *hpi_format = 0;
 351         return -EINVAL;
 352 }
 353
 354 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
 355                                          struct snd_pcm_hardware *pcmhw)
 356 {
 357         u16 err;
 358         u32 h_control;
 359         u32 sample_rate;
 360         int idx;
 361         unsigned int rate_min = 200000;
 362         unsigned int rate_max = 0;
 363         unsigned int rates = 0;
 364
 365         if (asihpi->support_mrx) {
 366                 rates |= SNDRV_PCM_RATE_CONTINUOUS;
 367                 rates |= SNDRV_PCM_RATE_8000_96000;
 368                 rate_min = 8000;
 369                 rate_max = 100000;
 370         } else {
 371                 /* on cards without SRC,
 372                    valid rates are determined by sampleclock */
 373                 err = hpi_mixer_get_control(asihpi->h_mixer,
 374                                           HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 375                                           HPI_CONTROL_SAMPLECLOCK, &h_control);
 376                 if (err) {
 377                         snd_printk(KERN_ERR
 378                                 "No local sampleclock, err %d\n", err);
 379                 }
 380
 381                 for (idx = -1; idx < 100; idx++) {
 382                         if (idx == -1) {
 383                                 if (hpi_sample_clock_get_sample_rate(h_control,
 384                                                                 &sample_rate))
 385                                         continue;
 386                         } else if (hpi_sample_clock_query_local_rate(h_control,
 387                                                         idx, &sample_rate)) {
 388                                 break;
 389                         }
 390
 391                         rate_min = min(rate_min, sample_rate);
 392                         rate_max = max(rate_max, sample_rate);
 393
 394                         switch (sample_rate) {
 395                         case 5512:
 396                                 rates |= SNDRV_PCM_RATE_5512;
 397                                 break;
 398                         case 8000:
 399                                 rates |= SNDRV_PCM_RATE_8000;
 400                                 break;
 401                         case 11025:
 402                                 rates |= SNDRV_PCM_RATE_11025;
 403                                 break;
 404                         case 16000:
 405                                 rates |= SNDRV_PCM_RATE_16000;
 406                                 break;
 407                         case 22050:
 408                                 rates |= SNDRV_PCM_RATE_22050;
 409                                 break;
 410                         case 32000:
 411                                 rates |= SNDRV_PCM_RATE_32000;
 412                                 break;
 413                         case 44100:
 414                                 rates |= SNDRV_PCM_RATE_44100;
 415                                 break;
 416                         case 48000:
 417                                 rates |= SNDRV_PCM_RATE_48000;
 418                                 break;
 419                         case 64000:
 420                                 rates |= SNDRV_PCM_RATE_64000;
 421                                 break;
 422                         case 88200:
 423                                 rates |= SNDRV_PCM_RATE_88200;
 424                                 break;
 425                         case 96000:
 426                                 rates |= SNDRV_PCM_RATE_96000;
 427                                 break;
 428                         case 176400:
 429                                 rates |= SNDRV_PCM_RATE_176400;
 430                                 break;
 431                         case 192000:
 432                                 rates |= SNDRV_PCM_RATE_192000;
 433                                 break;
 434                         default: /* some other rate */
 435                                 rates |= SNDRV_PCM_RATE_KNOT;
 436                         }
 437                 }
 438         }
 439
 440         pcmhw->rates = rates;
 441         pcmhw->rate_min = rate_min;
 442         pcmhw->rate_max = rate_max;
 443 }
 444
 445 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
 446                                          struct snd_pcm_hw_params *params)
 447 {
 448         struct snd_pcm_runtime *runtime = substream->runtime;
 449         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 450         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 451         int err;
 452         u16 format;
 453         int width;
 454         unsigned int bytes_per_sec;
 455
 456         print_hwparams(substream, params);
 457         err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
 458         if (err < 0)
 459                 return err;
 460         err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
 461         if (err)
 462                 return err;
 463
 464         hpi_handle_error(hpi_format_create(&dpcm->format,
 465                         params_channels(params),
 466                         format, params_rate(params), 0, 0));
 467
 468         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 469                 if (hpi_instream_reset(dpcm->h_stream) != 0)
 470                         return -EINVAL;
 471
 472                 if (hpi_instream_set_format(
 473                         dpcm->h_stream, &dpcm->format) != 0)
 474                         return -EINVAL;
 475         }
 476
 477         dpcm->hpi_buffer_attached = 0;
 478         if (card->can_dma) {
 479                 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
 480                         params_buffer_bytes(params),  runtime->dma_addr);
 481                 if (err == 0) {
 482                         snd_printdd(
 483                                 "stream_host_buffer_attach succeeded %u %lu\n",
 484                                 params_buffer_bytes(params),
 485                                 (unsigned long)runtime->dma_addr);
 486                 } else {
 487                         snd_printd("stream_host_buffer_attach error %d\n",
 488                                         err);
 489                         return -ENOMEM;
 490                 }
 491
 492                 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
 493                                                 &dpcm->hpi_buffer_attached,
 494                                                 NULL, NULL, NULL);
 495
 496                 snd_printdd("stream_host_buffer_attach status 0x%x\n",
 497                                 dpcm->hpi_buffer_attached);
 498         }
 499         bytes_per_sec = params_rate(params) * params_channels(params);
 500         width = snd_pcm_format_width(params_format(params));
 501         bytes_per_sec *= width;
 502         bytes_per_sec /= 8;
 503         if (width < 0 || bytes_per_sec == 0)
 504                 return -EINVAL;
 505
 506         dpcm->bytes_per_sec = bytes_per_sec;
 507         dpcm->buffer_bytes = params_buffer_bytes(params);
 508         dpcm->period_bytes = params_period_bytes(params);
 509
 510         return 0;
 511 }
 512
 513 static int
 514 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
 515 {
 516         struct snd_pcm_runtime *runtime = substream->runtime;
 517         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 518         if (dpcm->hpi_buffer_attached)
 519                 hpi_stream_host_buffer_detach(dpcm->h_stream);
 520
 521         snd_pcm_lib_free_pages(substream);
 522         return 0;
 523 }
 524
 525 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime)
 526 {
 527         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 528         kfree(dpcm);
 529 }
 530
 531 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
 532                                             substream)
 533 {
 534         struct snd_pcm_runtime *runtime = substream->runtime;
 535         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 536         int expiry;
 537
 538         expiry = HZ / 200;
 539         /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */
 540         expiry = max(expiry, 1); /* don't let it be zero! */
 541         dpcm->timer.expires = jiffies + expiry;
 542         dpcm->respawn_timer = 1;
 543         add_timer(&dpcm->timer);
 544 }
 545
 546 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
 547 {
 548         struct snd_pcm_runtime *runtime = substream->runtime;
 549         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 550
 551         dpcm->respawn_timer = 0;
 552         del_timer(&dpcm->timer);
 553 }
 554
 555 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
 556                                            int cmd)
 557 {
 558         struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
 559         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 560         struct snd_pcm_substream *s;
 561         u16 e;
 562         char name[16];
 563
 564         snd_pcm_debug_name(substream, name, sizeof(name));
 565         snd_printdd("%s trigger\n", name);
 566
 567         switch (cmd) {
 568         case SNDRV_PCM_TRIGGER_START:
 569                 snd_pcm_group_for_each_entry(s, substream) {
 570                         struct snd_pcm_runtime *runtime = s->runtime;
 571                         struct snd_card_asihpi_pcm *ds = runtime->private_data;
 572
 573                         if (snd_pcm_substream_chip(s) != card)
 574                                 continue;
 575
 576                         /* don't link Cap and Play */
 577                         if (substream->stream != s->stream)
 578                                 continue;
 579
 580                         ds->drained_count = 0;
 581                         if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 582                                 /* How do I know how much valid data is present
 583                                 * in buffer? Must be at least one period!
 584                                 * Guessing 2 periods, but if
 585                                 * buffer is bigger it may contain even more
 586                                 * data??
 587                                 */
 588                                 unsigned int preload = ds->period_bytes * 1;
 589                                 snd_printddd("%d preload x%x\n", s->number, preload);
 590                                 hpi_handle_error(hpi_outstream_write_buf(
 591                                                 ds->h_stream,
 592                                                 &runtime->dma_area[0],
 593                                                 preload,
 594                                                 &ds->format));
 595                                 ds->pcm_buf_host_rw_ofs = preload;
 596                         }
 597
 598                         if (card->support_grouping) {
 599                                 snd_printdd("%d group\n", s->number);
 600                                 e = hpi_stream_group_add(
 601                                         dpcm->h_stream,
 602                                         ds->h_stream);
 603                                 if (!e) {
 604                                         snd_pcm_trigger_done(s, substream);
 605                                 } else {
 606                                         hpi_handle_error(e);
 607                                         break;
 608                                 }
 609                         } else
 610                                 break;
 611                 }
 612                 snd_printdd("start\n");
 613                 /* start the master stream */
 614                 snd_card_asihpi_pcm_timer_start(substream);
 615                 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
 616                         !card->can_dma)
 617                         hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 618                 break;
 619
 620         case SNDRV_PCM_TRIGGER_STOP:
 621                 snd_card_asihpi_pcm_timer_stop(substream);
 622                 snd_pcm_group_for_each_entry(s, substream) {
 623                         if (snd_pcm_substream_chip(s) != card)
 624                                 continue;
 625                         /* don't link Cap and Play */
 626                         if (substream->stream != s->stream)
 627                                 continue;
 628
 629                         /*? workaround linked streams don't
 630                         transition to SETUP 20070706*/
 631                         s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
 632
 633                         if (card->support_grouping) {
 634                                 snd_printdd("%d group\n", s->number);
 635                                 snd_pcm_trigger_done(s, substream);
 636                         } else
 637                                 break;
 638                 }
 639                 snd_printdd("stop\n");
 640
 641                 /* _prepare and _hwparams reset the stream */
 642                 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 643                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 644                         hpi_handle_error(
 645                                 hpi_outstream_reset(dpcm->h_stream));
 646
 647                 if (card->support_grouping)
 648                         hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
 649                 break;
 650
 651         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 652                 snd_printdd("pause release\n");
 653                 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
 654                 snd_card_asihpi_pcm_timer_start(substream);
 655                 break;
 656         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 657                 snd_printdd("pause\n");
 658                 snd_card_asihpi_pcm_timer_stop(substream);
 659                 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
 660                 break;
 661         default:
 662                 snd_printd(KERN_ERR "\tINVALID\n");
 663                 return -EINVAL;
 664         }
 665
 666         return 0;
 667 }
 668
 669 /*algorithm outline
 670  Without linking degenerates to getting single stream pos etc
 671  Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
 672 */
 673 /*
 674 pcm_buf_dma_ofs=get_buf_pos(s);
 675 for_each_linked_stream(s) {
 676         pcm_buf_dma_ofs=get_buf_pos(s);
 677         min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
 678         new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
 679 }
 680 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
 681 for_each_linked_stream(s) {
 682         s->pcm_buf_dma_ofs = min_buf_pos;
 683         if (new_data > period_bytes) {
 684                 if (mmap) {
 685                         irq_pos = (irq_pos + period_bytes) % buffer_bytes;
 686                         if (playback) {
 687                                 write(period_bytes);
 688                         } else {
 689                                 read(period_bytes);
 690                         }
 691                 }
 692                 snd_pcm_period_elapsed(s);
 693         }
 694 }
 695 */
 696
 697 /** Minimum of 2 modulo values.  Works correctly when the difference between
 698 * the values is less than half the modulus
 699 */
 700 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
 701                                         unsigned long int modulus)
 702 {
 703         unsigned int result;
 704         if (((a-b) % modulus) < (modulus/2))
 705                 result = b;
 706         else
 707                 result = a;
 708
 709         return result;
 710 }
 711
 712 /** Timer function, equivalent to interrupt service routine for cards
 713 */
 714 static void snd_card_asihpi_timer_function(unsigned long data)
 715 {
 716         struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
 717         struct snd_pcm_substream *substream = dpcm->substream;
 718         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 719         struct snd_pcm_runtime *runtime;
 720         struct snd_pcm_substream *s;
 721         unsigned int newdata = 0;
 722         unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
 723         unsigned int remdata, xfercount, next_jiffies;
 724         int first = 1;
 725         int loops = 0;
 726         u16 state;
 727         u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
 728         char name[16];
 729
 730         snd_pcm_debug_name(substream, name, sizeof(name));
 731
 732         snd_printdd("%s snd_card_asihpi_timer_function\n", name);
 733
 734         /* find minimum newdata and buffer pos in group */
 735         snd_pcm_group_for_each_entry(s, substream) {
 736                 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 737                 runtime = s->runtime;
 738
 739                 if (snd_pcm_substream_chip(s) != card)
 740                         continue;
 741
 742                 /* don't link Cap and Play */
 743                 if (substream->stream != s->stream)
 744                         continue;
 745
 746                 hpi_handle_error(hpi_stream_get_info_ex(
 747                                         ds->h_stream, &state,
 748                                         &buffer_size, &bytes_avail,
 749                                         &samples_played, &on_card_bytes));
 750
 751                 /* number of bytes in on-card buffer */
 752                 runtime->delay = on_card_bytes;
 753
 754                 if (!card->can_dma)
 755                         on_card_bytes = bytes_avail;
 756
 757                 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 758                         pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
 759                         if (state == HPI_STATE_STOPPED) {
 760                                 if ((bytes_avail == 0) &&
 761                                     (on_card_bytes < ds->pcm_buf_host_rw_ofs)) {
 762                                         hpi_handle_error(hpi_stream_start(ds->h_stream));
 763                                         snd_printdd("P%d start\n", s->number);
 764                                         ds->drained_count = 0;
 765                                 }
 766                         } else if (state == HPI_STATE_DRAINED) {
 767                                 snd_printd(KERN_WARNING "P%d drained\n",
 768                                                 s->number);
 769                                 ds->drained_count++;
 770                                 if (ds->drained_count > 2) {
 771                                         snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
 772                                         continue;
 773                                 }
 774                         } else {
 775                                 ds->drained_count = 0;
 776                         }
 777                 } else
 778                         pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
 779
 780                 if (first) {
 781                         /* can't statically init min when wrap is involved */
 782                         min_buf_pos = pcm_buf_dma_ofs;
 783                         newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
 784                         first = 0;
 785                 } else {
 786                         min_buf_pos =
 787                                 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
 788                         newdata = min(
 789                                 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
 790                                 newdata);
 791                 }
 792
 793                 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n",
 794                         (unsigned long)frames_to_bytes(runtime,
 795                                                 runtime->status->hw_ptr),
 796                         (unsigned long)frames_to_bytes(runtime,
 797                                                 runtime->control->appl_ptr));
 798
 799                 snd_printdd("%d S=%d, "
 800                         "rw=0x%04X, dma=0x%04X, left=0x%04X, "
 801                         "aux=0x%04X space=0x%04X\n",
 802                         s->number, state,
 803                         ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs,
 804                         (int)bytes_avail,
 805                         (int)on_card_bytes, buffer_size-bytes_avail);
 806                 loops++;
 807         }
 808         pcm_buf_dma_ofs = min_buf_pos;
 809
 810         remdata = newdata % dpcm->period_bytes;
 811         xfercount = newdata - remdata; /* a multiple of period_bytes */
 812         /* come back when on_card_bytes has decreased enough to allow
 813            write to happen, or when data has been consumed to make another
 814            period
 815         */
 816         if (xfercount && (on_card_bytes  > dpcm->period_bytes))
 817                 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
 818         else
 819                 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
 820
 821         next_jiffies = max(next_jiffies, 1U);
 822         dpcm->timer.expires = jiffies + next_jiffies;
 823         snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n",
 824                         next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
 825
 826         snd_pcm_group_for_each_entry(s, substream) {
 827                 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
 828
 829                 /* don't link Cap and Play */
 830                 if (substream->stream != s->stream)
 831                         continue;
 832
 833                 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
 834
 835                 if (xfercount &&
 836                         /* Limit use of on card fifo for playback */
 837                         ((on_card_bytes <= ds->period_bytes) ||
 838                         (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
 839
 840                 {
 841
 842                         unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
 843                         unsigned int xfer1, xfer2;
 844                         char *pd = &s->runtime->dma_area[buf_ofs];
 845
 846                         if (card->can_dma) { /* buffer wrap is handled at lower level */
 847                                 xfer1 = xfercount;
 848                                 xfer2 = 0;
 849                         } else {
 850                                 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
 851                                 xfer2 = xfercount - xfer1;
 852                         }
 853
 854                         if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 855                                 snd_printddd("P%d write1 0x%04X 0x%04X\n",
 856                                         s->number, xfer1, buf_ofs);
 857                                 hpi_handle_error(
 858                                         hpi_outstream_write_buf(
 859                                                 ds->h_stream, pd, xfer1,
 860                                                 &ds->format));
 861
 862                                 if (xfer2) {
 863                                         pd = s->runtime->dma_area;
 864
 865                                         snd_printddd("P%d write2 0x%04X 0x%04X\n",
 866                                                         s->number,
 867                                                         xfercount - xfer1, buf_ofs);
 868                                         hpi_handle_error(
 869                                                 hpi_outstream_write_buf(
 870                                                         ds->h_stream, pd,
 871                                                         xfercount - xfer1,
 872                                                         &ds->format));
 873                                 }
 874                         } else {
 875                                 snd_printddd("C%d read1 0x%04x\n",
 876                                         s->number, xfer1);
 877                                 hpi_handle_error(
 878                                         hpi_instream_read_buf(
 879                                                 ds->h_stream,
 880                                                 pd, xfer1));
 881                                 if (xfer2) {
 882                                         pd = s->runtime->dma_area;
 883                                         snd_printddd("C%d read2 0x%04x\n",
 884                                                 s->number, xfer2);
 885                                         hpi_handle_error(
 886                                                 hpi_instream_read_buf(
 887                                                         ds->h_stream,
 888                                                         pd, xfer2));
 889                                 }
 890                         }
 891                         ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount;
 892                         ds->pcm_buf_elapsed_dma_ofs = pcm_buf_dma_ofs;
 893                         snd_pcm_period_elapsed(s);
 894                 }
 895         }
 896
 897         if (dpcm->respawn_timer)
 898                 add_timer(&dpcm->timer);
 899 }
 900
 901 /***************************** PLAYBACK OPS ****************/
 902 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
 903                                           unsigned int cmd, void *arg)
 904 {
 905         snd_printddd(KERN_INFO "P%d ioctl %d\n", substream->number, cmd);
 906         return snd_pcm_lib_ioctl(substream, cmd, arg);
 907 }
 908
 909 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
 910                                             substream)
 911 {
 912         struct snd_pcm_runtime *runtime = substream->runtime;
 913         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 914
 915         snd_printdd("P%d prepare\n", substream->number);
 916
 917         hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
 918         dpcm->pcm_buf_host_rw_ofs = 0;
 919         dpcm->pcm_buf_dma_ofs = 0;
 920         dpcm->pcm_buf_elapsed_dma_ofs = 0;
 921         return 0;
 922 }
 923
 924 static snd_pcm_uframes_t
 925 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
 926 {
 927         struct snd_pcm_runtime *runtime = substream->runtime;
 928         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
 929         snd_pcm_uframes_t ptr;
 930
 931         ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs  % dpcm->buffer_bytes);
 932         snd_printddd("P%d pointer = 0x%04lx\n", substream->number, (unsigned long)ptr);
 933         return ptr;
 934 }
 935
 936 static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi,
 937                                                 u32 h_stream,
 938                                                 struct snd_pcm_hardware *pcmhw)
 939 {
 940         struct hpi_format hpi_format;
 941         u16 format;
 942         u16 err;
 943         u32 h_control;
 944         u32 sample_rate = 48000;
 945
 946         /* on cards without SRC, must query at valid rate,
 947         * maybe set by external sync
 948         */
 949         err = hpi_mixer_get_control(asihpi->h_mixer,
 950                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
 951                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
 952
 953         if (!err)
 954                 err = hpi_sample_clock_get_sample_rate(h_control,
 955                                 &sample_rate);
 956
 957         for (format = HPI_FORMAT_PCM8_UNSIGNED;
 958              format <= HPI_FORMAT_PCM24_SIGNED; format++) {
 959                 err = hpi_format_create(&hpi_format,
 960                                         2, format, sample_rate, 128000, 0);
 961                 if (!err)
 962                         err = hpi_outstream_query_format(h_stream,
 963                                                         &hpi_format);
 964                 if (!err && (hpi_to_alsa_formats[format] != -1))
 965                         pcmhw->formats |=
 966                                 (1ULL << hpi_to_alsa_formats[format]);
 967         }
 968 }
 969
 970 static struct snd_pcm_hardware snd_card_asihpi_playback = {
 971         .channels_min = 1,
 972         .channels_max = 2,
 973         .buffer_bytes_max = BUFFER_BYTES_MAX,
 974         .period_bytes_min = PERIOD_BYTES_MIN,
 975         .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
 976         .periods_min = PERIODS_MIN,
 977         .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
 978         .fifo_size = 0,
 979 };
 980
 981 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
 982 {
 983         struct snd_pcm_runtime *runtime = substream->runtime;
 984         struct snd_card_asihpi_pcm *dpcm;
 985         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
 986         int err;
 987
 988         dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
 989         if (dpcm == NULL)
 990                 return -ENOMEM;
 991
 992         err =
 993             hpi_outstream_open(card->adapter_index,
 994                               substream->number, &dpcm->h_stream);
 995         hpi_handle_error(err);
 996         if (err)
 997                 kfree(dpcm);
 998         if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
 999                 return -EBUSY;
1000         if (err)
1001                 return -EIO;
1002
1003         /*? also check ASI5000 samplerate source
1004             If external, only support external rate.
1005             If internal and other stream playing, can't switch
1006         */
1007
1008         init_timer(&dpcm->timer);
1009         dpcm->timer.data = (unsigned long) dpcm;
1010         dpcm->timer.function = snd_card_asihpi_timer_function;
1011         dpcm->substream = substream;
1012         runtime->private_data = dpcm;
1013         runtime->private_free = snd_card_asihpi_runtime_free;
1014
1015         snd_card_asihpi_playback.channels_max = card->out_max_chans;
1016         /*?snd_card_asihpi_playback.period_bytes_min =
1017         card->out_max_chans * 4096; */
1018
1019         snd_card_asihpi_playback_format(card, dpcm->h_stream,
1020                                         &snd_card_asihpi_playback);
1021
1022         snd_card_asihpi_pcm_samplerates(card,  &snd_card_asihpi_playback);
1023
1024         snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
1025                                         SNDRV_PCM_INFO_DOUBLE |
1026                                         SNDRV_PCM_INFO_BATCH |
1027                                         SNDRV_PCM_INFO_BLOCK_TRANSFER |
1028                                         SNDRV_PCM_INFO_PAUSE |
1029                                         SNDRV_PCM_INFO_MMAP |
1030                                         SNDRV_PCM_INFO_MMAP_VALID;
1031
1032         if (card->support_grouping)
1033                 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1034
1035         /* struct is copied, so can create initializer dynamically */
1036         runtime->hw = snd_card_asihpi_playback;
1037
1038         if (card->can_dma)
1039                 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1040                                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1041         if (err < 0)
1042                 return err;
1043
1044         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1045                 card->update_interval_frames);
1046
1047         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1048                 card->update_interval_frames * 2, UINT_MAX);
1049
1050         snd_pcm_set_sync(substream);
1051
1052         snd_printdd("playback open\n");
1053
1054         return 0;
1055 }
1056
1057 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1058 {
1059         struct snd_pcm_runtime *runtime = substream->runtime;
1060         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1061
1062         hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1063         snd_printdd("playback close\n");
1064
1065         return 0;
1066 }
1067
1068 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1069         .open = snd_card_asihpi_playback_open,
1070         .close = snd_card_asihpi_playback_close,
1071         .ioctl = snd_card_asihpi_playback_ioctl,
1072         .hw_params = snd_card_asihpi_pcm_hw_params,
1073         .hw_free = snd_card_asihpi_hw_free,
1074         .prepare = snd_card_asihpi_playback_prepare,
1075         .trigger = snd_card_asihpi_trigger,
1076         .pointer = snd_card_asihpi_playback_pointer,
1077 };
1078
1079 /***************************** CAPTURE OPS ****************/
1080 static snd_pcm_uframes_t
1081 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1082 {
1083         struct snd_pcm_runtime *runtime = substream->runtime;
1084         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1085
1086         snd_printddd("capture pointer %d=%d\n",
1087                         substream->number, dpcm->pcm_buf_dma_ofs);
1088         /* NOTE Unlike playback can't use actual samples_played
1089                 for the capture position, because those samples aren't yet in
1090                 the local buffer available for reading.
1091         */
1092         return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1093 }
1094
1095 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1096                                          unsigned int cmd, void *arg)
1097 {
1098         return snd_pcm_lib_ioctl(substream, cmd, arg);
1099 }
1100
1101 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1102 {
1103         struct snd_pcm_runtime *runtime = substream->runtime;
1104         struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1105
1106         hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1107         dpcm->pcm_buf_host_rw_ofs = 0;
1108         dpcm->pcm_buf_dma_ofs = 0;
1109         dpcm->pcm_buf_elapsed_dma_ofs = 0;
1110
1111         snd_printdd("Capture Prepare %d\n", substream->number);
1112         return 0;
1113 }
1114
1115
1116
1117 static void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi,
1118                                         u32 h_stream,
1119                                          struct snd_pcm_hardware *pcmhw)
1120 {
1121   struct hpi_format hpi_format;
1122         u16 format;
1123         u16 err;
1124         u32 h_control;
1125         u32 sample_rate = 48000;
1126
1127         /* on cards without SRC, must query at valid rate,
1128                 maybe set by external sync */
1129         err = hpi_mixer_get_control(asihpi->h_mixer,
1130                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1131                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
1132
1133         if (!err)
1134                 err = hpi_sample_clock_get_sample_rate(h_control,
1135                         &sample_rate);
1136
1137         for (format = HPI_FORMAT_PCM8_UNSIGNED;
1138                 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1139
1140                 err = hpi_format_create(&hpi_format, 2, format,
1141                                 sample_rate, 128000, 0);
1142                 if (!err)
1143                         err = hpi_instream_query_format(h_stream,
1144                                             &hpi_format);
1145                 if (!err)
1146                         pcmhw->formats |=
1147                                 (1ULL << hpi_to_alsa_formats[format]);
1148         }
1149 }
1150
1151
1152 static struct snd_pcm_hardware snd_card_asihpi_capture = {
1153         .channels_min = 1,
1154         .channels_max = 2,
1155         .buffer_bytes_max = BUFFER_BYTES_MAX,
1156         .period_bytes_min = PERIOD_BYTES_MIN,
1157         .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
1158         .periods_min = PERIODS_MIN,
1159         .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
1160         .fifo_size = 0,
1161 };
1162
1163 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1164 {
1165         struct snd_pcm_runtime *runtime = substream->runtime;
1166         struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1167         struct snd_card_asihpi_pcm *dpcm;
1168         int err;
1169
1170         dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1171         if (dpcm == NULL)
1172                 return -ENOMEM;
1173
1174         snd_printdd("capture open adapter %d stream %d\n",
1175                    card->adapter_index, substream->number);
1176
1177         err = hpi_handle_error(
1178             hpi_instream_open(card->adapter_index,
1179                              substream->number, &dpcm->h_stream));
1180         if (err)
1181                 kfree(dpcm);
1182         if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1183                 return -EBUSY;
1184         if (err)
1185                 return -EIO;
1186
1187
1188         init_timer(&dpcm->timer);
1189         dpcm->timer.data = (unsigned long) dpcm;
1190         dpcm->timer.function = snd_card_asihpi_timer_function;
1191         dpcm->substream = substream;
1192         runtime->private_data = dpcm;
1193         runtime->private_free = snd_card_asihpi_runtime_free;
1194
1195         snd_card_asihpi_capture.channels_max = card->in_max_chans;
1196         snd_card_asihpi_capture_format(card, dpcm->h_stream,
1197                                        &snd_card_asihpi_capture);
1198         snd_card_asihpi_pcm_samplerates(card,  &snd_card_asihpi_capture);
1199         snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1200                                         SNDRV_PCM_INFO_MMAP |
1201                                         SNDRV_PCM_INFO_MMAP_VALID;
1202
1203         if (card->support_grouping)
1204                 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1205
1206         runtime->hw = snd_card_asihpi_capture;
1207
1208         if (card->can_dma)
1209                 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1210                                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1211         if (err < 0)
1212                 return err;
1213
1214         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1215                 card->update_interval_frames);
1216         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1217                 card->update_interval_frames * 2, UINT_MAX);
1218
1219         snd_pcm_set_sync(substream);
1220
1221         return 0;
1222 }
1223
1224 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1225 {
1226         struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1227
1228         hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1229         return 0;
1230 }
1231
1232 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1233         .open = snd_card_asihpi_capture_open,
1234         .close = snd_card_asihpi_capture_close,
1235         .ioctl = snd_card_asihpi_capture_ioctl,
1236         .hw_params = snd_card_asihpi_pcm_hw_params,
1237         .hw_free = snd_card_asihpi_hw_free,
1238         .prepare = snd_card_asihpi_capture_prepare,
1239         .trigger = snd_card_asihpi_trigger,
1240         .pointer = snd_card_asihpi_capture_pointer,
1241 };
1242
1243 static int __devinit snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi,
1244                                       int device, int substreams)
1245 {
1246         struct snd_pcm *pcm;
1247         int err;
1248
1249         err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1250                          asihpi->num_outstreams, asihpi->num_instreams,
1251                          &pcm);
1252         if (err < 0)
1253                 return err;
1254         /* pointer to ops struct is stored, dont change ops afterwards! */
1255                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1256                                 &snd_card_asihpi_playback_mmap_ops);
1257                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1258                                 &snd_card_asihpi_capture_mmap_ops);
1259
1260         pcm->private_data = asihpi;
1261         pcm->info_flags = 0;
1262         strcpy(pcm->name, "Asihpi PCM");
1263
1264         /*? do we want to emulate MMAP for non-BBM cards?
1265         Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1266         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1267                                                 snd_dma_pci_data(asihpi->pci),
1268                                                 64*1024, BUFFER_BYTES_MAX);
1269
1270         return 0;
1271 }
1272
1273 /***************************** MIXER CONTROLS ****************/
1274 struct hpi_control {
1275         u32 h_control;
1276         u16 control_type;
1277         u16 src_node_type;
1278         u16 src_node_index;
1279         u16 dst_node_type;
1280         u16 dst_node_index;
1281         u16 band;
1282         char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
1283 };
1284
1285 static const char * const asihpi_tuner_band_names[] = {
1286         "invalid",
1287         "AM",
1288         "FM mono",
1289         "TV NTSC-M",
1290         "FM stereo",
1291         "AUX",
1292         "TV PAL BG",
1293         "TV PAL I",
1294         "TV PAL DK",
1295         "TV SECAM",
1296 };
1297
1298 compile_time_assert(
1299         (ARRAY_SIZE(asihpi_tuner_band_names) ==
1300                 (HPI_TUNER_BAND_LAST+1)),
1301         assert_tuner_band_names_size);
1302
1303 static const char * const asihpi_src_names[] = {
1304         "no source",
1305         "PCM",
1306         "Line",
1307         "Digital",
1308         "Tuner",
1309         "RF",
1310         "Clock",
1311         "Bitstream",
1312         "Mic",
1313         "Net",
1314         "Analog",
1315         "Adapter",
1316         "RTP",
1317         "GPI",
1318 };
1319
1320 compile_time_assert(
1321         (ARRAY_SIZE(asihpi_src_names) ==
1322                 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1323         assert_src_names_size);
1324
1325 static const char * const asihpi_dst_names[] = {
1326         "no destination",
1327         "PCM",
1328         "Line",
1329         "Digital",
1330         "RF",
1331         "Speaker",
1332         "Net",
1333         "Analog",
1334         "RTP",
1335         "GPO",
1336 };
1337
1338 compile_time_assert(
1339         (ARRAY_SIZE(asihpi_dst_names) ==
1340                 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1341         assert_dst_names_size);
1342
1343 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1344                                 struct snd_card_asihpi *asihpi)
1345 {
1346         int err;
1347
1348         err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1349         if (err < 0)
1350                 return err;
1351         else if (mixer_dump)
1352                 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index);
1353
1354         return 0;
1355 }
1356
1357 /* Convert HPI control name and location into ALSA control name */
1358 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1359                                 struct hpi_control *hpi_ctl,
1360                                 char *name)
1361 {
1362         char *dir;
1363         memset(snd_control, 0, sizeof(*snd_control));
1364         snd_control->name = hpi_ctl->name;
1365         snd_control->private_value = hpi_ctl->h_control;
1366         snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1367         snd_control->index = 0;
1368
1369         if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE)
1370                 dir = ""; /* clock is neither capture nor playback */
1371         else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1372                 dir = "Capture ";  /* On or towards a PCM capture destination*/
1373         else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1374                 (!hpi_ctl->dst_node_type))
1375                 dir = "Capture "; /* On a source node that is not PCM playback */
1376         else if (hpi_ctl->src_node_type &&
1377                 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1378                 (hpi_ctl->dst_node_type))
1379                 dir = "Monitor Playback "; /* Between an input and an output */
1380         else
1381                 dir = "Playback "; /* PCM Playback source, or  output node */
1382
1383         if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1384                 sprintf(hpi_ctl->name, "%s %d %s %d %s%s",
1385                         asihpi_src_names[hpi_ctl->src_node_type],
1386                         hpi_ctl->src_node_index,
1387                         asihpi_dst_names[hpi_ctl->dst_node_type],
1388                         hpi_ctl->dst_node_index,
1389                         dir, name);
1390         else if (hpi_ctl->dst_node_type) {
1391                 sprintf(hpi_ctl->name, "%s %d %s%s",
1392                 asihpi_dst_names[hpi_ctl->dst_node_type],
1393                 hpi_ctl->dst_node_index,
1394                 dir, name);
1395         } else {
1396                 sprintf(hpi_ctl->name, "%s %d %s%s",
1397                 asihpi_src_names[hpi_ctl->src_node_type],
1398                 hpi_ctl->src_node_index,
1399                 dir, name);
1400         }
1401         /* printk(KERN_INFO "Adding %s %d to %d ",  hpi_ctl->name,
1402                 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1403 }
1404
1405 /*------------------------------------------------------------
1406    Volume controls
1407  ------------------------------------------------------------*/
1408 #define VOL_STEP_mB 1
1409 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1410                                   struct snd_ctl_elem_info *uinfo)
1411 {
1412         u32 h_control = kcontrol->private_value;
1413         u16 err;
1414         /* native gains are in millibels */
1415         short min_gain_mB;
1416         short max_gain_mB;
1417         short step_gain_mB;
1418
1419         err = hpi_volume_query_range(h_control,
1420                         &min_gain_mB, &max_gain_mB, &step_gain_mB);
1421         if (err) {
1422                 max_gain_mB = 0;
1423                 min_gain_mB = -10000;
1424                 step_gain_mB = VOL_STEP_mB;
1425         }
1426
1427         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1428         uinfo->count = 2;
1429         uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1430         uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1431         uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1432         return 0;
1433 }
1434
1435 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1436                                  struct snd_ctl_elem_value *ucontrol)
1437 {
1438         u32 h_control = kcontrol->private_value;
1439         short an_gain_mB[HPI_MAX_CHANNELS];
1440
1441         hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1442         ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1443         ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1444
1445         return 0;
1446 }
1447
1448 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1449                                  struct snd_ctl_elem_value *ucontrol)
1450 {
1451         int change;
1452         u32 h_control = kcontrol->private_value;
1453         short an_gain_mB[HPI_MAX_CHANNELS];
1454
1455         an_gain_mB[0] =
1456             (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1457         an_gain_mB[1] =
1458             (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1459         /*  change = asihpi->mixer_volume[addr][0] != left ||
1460            asihpi->mixer_volume[addr][1] != right;
1461          */
1462         change = 1;
1463         hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1464         return change;
1465 }
1466
1467 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1468
1469 #define snd_asihpi_volume_mute_info     snd_ctl_boolean_mono_info
1470
1471 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1472                                  struct snd_ctl_elem_value *ucontrol)
1473 {
1474         u32 h_control = kcontrol->private_value;
1475         u32 mute;
1476
1477         hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1478         ucontrol->value.integer.value[0] = mute ? 0 : 1;
1479
1480         return 0;
1481 }
1482
1483 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1484                                  struct snd_ctl_elem_value *ucontrol)
1485 {
1486         u32 h_control = kcontrol->private_value;
1487         int change = 1;
1488         /* HPI currently only supports all or none muting of multichannel volume
1489         ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1490         */
1491         int mute =  ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1492         hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1493         return change;
1494 }
1495
1496 static int __devinit snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1497                                         struct hpi_control *hpi_ctl)
1498 {
1499         struct snd_card *card = asihpi->card;
1500         struct snd_kcontrol_new snd_control;
1501         int err;
1502         u32 mute;
1503
1504         asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1505         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1506                                 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1507         snd_control.info = snd_asihpi_volume_info;
1508         snd_control.get = snd_asihpi_volume_get;
1509         snd_control.put = snd_asihpi_volume_put;
1510         snd_control.tlv.p = db_scale_100;
1511
1512         err = ctl_add(card, &snd_control, asihpi);
1513         if (err)
1514                 return err;
1515
1516         if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1517                 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1518                 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1519                 snd_control.info = snd_asihpi_volume_mute_info;
1520                 snd_control.get = snd_asihpi_volume_mute_get;
1521                 snd_control.put = snd_asihpi_volume_mute_put;
1522                 err = ctl_add(card, &snd_control, asihpi);
1523         }
1524         return err;
1525 }
1526
1527 /*------------------------------------------------------------
1528    Level controls
1529  ------------------------------------------------------------*/
1530 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1531                                  struct snd_ctl_elem_info *uinfo)
1532 {
1533         u32 h_control = kcontrol->private_value;
1534         u16 err;
1535         short min_gain_mB;
1536         short max_gain_mB;
1537         short step_gain_mB;
1538
1539         err =
1540             hpi_level_query_range(h_control, &min_gain_mB,
1541                                &max_gain_mB, &step_gain_mB);
1542         if (err) {
1543                 max_gain_mB = 2400;
1544                 min_gain_mB = -1000;
1545                 step_gain_mB = 100;
1546         }
1547
1548         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1549         uinfo->count = 2;
1550         uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1551         uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1552         uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1553         return 0;
1554 }
1555
1556 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1557                                 struct snd_ctl_elem_value *ucontrol)
1558 {
1559         u32 h_control = kcontrol->private_value;
1560         short an_gain_mB[HPI_MAX_CHANNELS];
1561
1562         hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1563         ucontrol->value.integer.value[0] =
1564             an_gain_mB[0] / HPI_UNITS_PER_dB;
1565         ucontrol->value.integer.value[1] =
1566             an_gain_mB[1] / HPI_UNITS_PER_dB;
1567
1568         return 0;
1569 }
1570
1571 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1572                                 struct snd_ctl_elem_value *ucontrol)
1573 {
1574         int change;
1575         u32 h_control = kcontrol->private_value;
1576         short an_gain_mB[HPI_MAX_CHANNELS];
1577
1578         an_gain_mB[0] =
1579             (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1580         an_gain_mB[1] =
1581             (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1582         /*  change = asihpi->mixer_level[addr][0] != left ||
1583            asihpi->mixer_level[addr][1] != right;
1584          */
1585         change = 1;
1586         hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1587         return change;
1588 }
1589
1590 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1591
1592 static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1593                                         struct hpi_control *hpi_ctl)
1594 {
1595         struct snd_card *card = asihpi->card;
1596         struct snd_kcontrol_new snd_control;
1597
1598         /* can't use 'volume' cos some nodes have volume as well */
1599         asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1600         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1601                                 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1602         snd_control.info = snd_asihpi_level_info;
1603         snd_control.get = snd_asihpi_level_get;
1604         snd_control.put = snd_asihpi_level_put;
1605         snd_control.tlv.p = db_scale_level;
1606
1607         return ctl_add(card, &snd_control, asihpi);
1608 }
1609
1610 /*------------------------------------------------------------
1611    AESEBU controls
1612  ------------------------------------------------------------*/
1613
1614 /* AESEBU format */
1615 static const char * const asihpi_aesebu_format_names[] = {
1616         "N/A", "S/PDIF", "AES/EBU" };
1617
1618 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1619                                   struct snd_ctl_elem_info *uinfo)
1620 {
1621         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1622         uinfo->count = 1;
1623         uinfo->value.enumerated.items = 3;
1624
1625         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1626                 uinfo->value.enumerated.item =
1627                         uinfo->value.enumerated.items - 1;
1628
1629         strcpy(uinfo->value.enumerated.name,
1630                 asihpi_aesebu_format_names[uinfo->value.enumerated.item]);
1631
1632         return 0;
1633 }
1634
1635 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1636                         struct snd_ctl_elem_value *ucontrol,
1637                         u16 (*func)(u32, u16 *))
1638 {
1639         u32 h_control = kcontrol->private_value;
1640         u16 source, err;
1641
1642         err = func(h_control, &source);
1643
1644         /* default to N/A */
1645         ucontrol->value.enumerated.item[0] = 0;
1646         /* return success but set the control to N/A */
1647         if (err)
1648                 return 0;
1649         if (source == HPI_AESEBU_FORMAT_SPDIF)
1650                 ucontrol->value.enumerated.item[0] = 1;
1651         if (source == HPI_AESEBU_FORMAT_AESEBU)
1652                 ucontrol->value.enumerated.item[0] = 2;
1653
1654         return 0;
1655 }
1656
1657 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1658                         struct snd_ctl_elem_value *ucontrol,
1659                          u16 (*func)(u32, u16))
1660 {
1661         u32 h_control = kcontrol->private_value;
1662
1663         /* default to S/PDIF */
1664         u16 source = HPI_AESEBU_FORMAT_SPDIF;
1665
1666         if (ucontrol->value.enumerated.item[0] == 1)
1667                 source = HPI_AESEBU_FORMAT_SPDIF;
1668         if (ucontrol->value.enumerated.item[0] == 2)
1669                 source = HPI_AESEBU_FORMAT_AESEBU;
1670
1671         if (func(h_control, source) != 0)
1672                 return -EINVAL;
1673
1674         return 1;
1675 }
1676
1677 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1678                                  struct snd_ctl_elem_value *ucontrol) {
1679         return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1680                                         hpi_aesebu_receiver_get_format);
1681 }
1682
1683 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1684                                  struct snd_ctl_elem_value *ucontrol) {
1685         return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1686                                         hpi_aesebu_receiver_set_format);
1687 }
1688
1689 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1690                                   struct snd_ctl_elem_info *uinfo)
1691 {
1692         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1693         uinfo->count = 1;
1694
1695         uinfo->value.integer.min = 0;
1696         uinfo->value.integer.max = 0X1F;
1697         uinfo->value.integer.step = 1;
1698
1699         return 0;
1700 }
1701
1702 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1703                                  struct snd_ctl_elem_value *ucontrol) {
1704
1705         u32 h_control = kcontrol->private_value;
1706         u16 status;
1707
1708         hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1709                                          h_control, &status));
1710         ucontrol->value.integer.value[0] = status;
1711         return 0;
1712 }
1713
1714 static int __devinit snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1715                                         struct hpi_control *hpi_ctl)
1716 {
1717         struct snd_card *card = asihpi->card;
1718         struct snd_kcontrol_new snd_control;
1719
1720         asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1721         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1722         snd_control.info = snd_asihpi_aesebu_format_info;
1723         snd_control.get = snd_asihpi_aesebu_rx_format_get;
1724         snd_control.put = snd_asihpi_aesebu_rx_format_put;
1725
1726
1727         if (ctl_add(card, &snd_control, asihpi) < 0)
1728                 return -EINVAL;
1729
1730         asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1731         snd_control.access =
1732             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1733         snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1734         snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1735
1736         return ctl_add(card, &snd_control, asihpi);
1737 }
1738
1739 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1740                                  struct snd_ctl_elem_value *ucontrol) {
1741         return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1742                                         hpi_aesebu_transmitter_get_format);
1743 }
1744
1745 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1746                                  struct snd_ctl_elem_value *ucontrol) {
1747         return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1748                                         hpi_aesebu_transmitter_set_format);
1749 }
1750
1751
1752 static int __devinit snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1753                                         struct hpi_control *hpi_ctl)
1754 {
1755         struct snd_card *card = asihpi->card;
1756         struct snd_kcontrol_new snd_control;
1757
1758         asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1759         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1760         snd_control.info = snd_asihpi_aesebu_format_info;
1761         snd_control.get = snd_asihpi_aesebu_tx_format_get;
1762         snd_control.put = snd_asihpi_aesebu_tx_format_put;
1763
1764         return ctl_add(card, &snd_control, asihpi);
1765 }
1766
1767 /*------------------------------------------------------------
1768    Tuner controls
1769  ------------------------------------------------------------*/
1770
1771 /* Gain */
1772
1773 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1774                                   struct snd_ctl_elem_info *uinfo)
1775 {
1776         u32 h_control = kcontrol->private_value;
1777         u16 err;
1778         short idx;
1779         u16 gain_range[3];
1780
1781         for (idx = 0; idx < 3; idx++) {
1782                 err = hpi_tuner_query_gain(h_control,
1783                                           idx, &gain_range[idx]);
1784                 if (err != 0)
1785                         return err;
1786         }
1787
1788         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1789         uinfo->count = 1;
1790         uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1791         uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1792         uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1793         return 0;
1794 }
1795
1796 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1797                                  struct snd_ctl_elem_value *ucontrol)
1798 {
1799         /*
1800         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1801         */
1802         u32 h_control = kcontrol->private_value;
1803         short gain;
1804
1805         hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1806         ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1807
1808         return 0;
1809 }
1810
1811 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1812                                  struct snd_ctl_elem_value *ucontrol)
1813 {
1814         /*
1815         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1816         */
1817         u32 h_control = kcontrol->private_value;
1818         short gain;
1819
1820         gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1821         hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1822
1823         return 1;
1824 }
1825
1826 /* Band  */
1827
1828 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1829                                         u16 *band_list, u32 len) {
1830         u32 h_control = kcontrol->private_value;
1831         u16 err = 0;
1832         u32 i;
1833
1834         for (i = 0; i < len; i++) {
1835                 err = hpi_tuner_query_band(
1836                                 h_control, i, &band_list[i]);
1837                 if (err != 0)
1838                         break;
1839         }
1840
1841         if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1842                 return -EIO;
1843
1844         return i;
1845 }
1846
1847 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1848                                   struct snd_ctl_elem_info *uinfo)
1849 {
1850         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1851         int num_bands = 0;
1852
1853         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1854                                 HPI_TUNER_BAND_LAST);
1855
1856         if (num_bands < 0)
1857                 return num_bands;
1858
1859         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1860         uinfo->count = 1;
1861         uinfo->value.enumerated.items = num_bands;
1862
1863         if (num_bands > 0) {
1864                 if (uinfo->value.enumerated.item >=
1865                                         uinfo->value.enumerated.items)
1866                         uinfo->value.enumerated.item =
1867                                 uinfo->value.enumerated.items - 1;
1868
1869                 strcpy(uinfo->value.enumerated.name,
1870                         asihpi_tuner_band_names[
1871                                 tuner_bands[uinfo->value.enumerated.item]]);
1872
1873         }
1874         return 0;
1875 }
1876
1877 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1878                                  struct snd_ctl_elem_value *ucontrol)
1879 {
1880         u32 h_control = kcontrol->private_value;
1881         /*
1882         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1883         */
1884         u16 band, idx;
1885         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1886         u32 num_bands = 0;
1887
1888         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1889                                 HPI_TUNER_BAND_LAST);
1890
1891         hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1892
1893         ucontrol->value.enumerated.item[0] = -1;
1894         for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1895                 if (tuner_bands[idx] == band) {
1896                         ucontrol->value.enumerated.item[0] = idx;
1897                         break;
1898                 }
1899
1900         return 0;
1901 }
1902
1903 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1904                                  struct snd_ctl_elem_value *ucontrol)
1905 {
1906         /*
1907         struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1908         */
1909         u32 h_control = kcontrol->private_value;
1910         u16 band;
1911         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1912         u32 num_bands = 0;
1913
1914         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1915                         HPI_TUNER_BAND_LAST);
1916
1917         band = tuner_bands[ucontrol->value.enumerated.item[0]];
1918         hpi_handle_error(hpi_tuner_set_band(h_control, band));
1919
1920         return 1;
1921 }
1922
1923 /* Freq */
1924
1925 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1926                                   struct snd_ctl_elem_info *uinfo)
1927 {
1928         u32 h_control = kcontrol->private_value;
1929         u16 err;
1930         u16 tuner_bands[HPI_TUNER_BAND_LAST];
1931         u16 num_bands = 0, band_iter, idx;
1932         u32 freq_range[3], temp_freq_range[3];
1933
1934         num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1935                         HPI_TUNER_BAND_LAST);
1936
1937         freq_range[0] = INT_MAX;
1938         freq_range[1] = 0;
1939         freq_range[2] = INT_MAX;
1940
1941         for (band_iter = 0; band_iter < num_bands; band_iter++) {
1942                 for (idx = 0; idx < 3; idx++) {
1943                         err = hpi_tuner_query_frequency(h_control,
1944                                 idx, tuner_bands[band_iter],
1945                                 &temp_freq_range[idx]);
1946                         if (err != 0)
1947                                 return err;
1948                 }
1949
1950                 /* skip band with bogus stepping */
1951                 if (temp_freq_range[2] <= 0)
1952                         continue;
1953
1954                 if (temp_freq_range[0] < freq_range[0])
1955                         freq_range[0] = temp_freq_range[0];
1956                 if (temp_freq_range[1] > freq_range[1])
1957                         freq_range[1] = temp_freq_range[1];
1958                 if (temp_freq_range[2] < freq_range[2])
1959                         freq_range[2] = temp_freq_range[2];
1960         }
1961
1962         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1963         uinfo->count = 1;
1964         uinfo->value.integer.min = ((int)freq_range[0]);
1965         uinfo->value.integer.max = ((int)freq_range[1]);
1966         uinfo->value.integer.step = ((int)freq_range[2]);
1967         return 0;
1968 }
1969
1970 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
1971                                  struct snd_ctl_elem_value *ucontrol)
1972 {
1973         u32 h_control = kcontrol->private_value;
1974         u32 freq;
1975
1976         hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
1977         ucontrol->value.integer.value[0] = freq;
1978
1979         return 0;
1980 }
1981
1982 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
1983                                  struct snd_ctl_elem_value *ucontrol)
1984 {
1985         u32 h_control = kcontrol->private_value;
1986         u32 freq;
1987
1988         freq = ucontrol->value.integer.value[0];
1989         hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
1990
1991         return 1;
1992 }
1993
1994 /* Tuner control group initializer  */
1995 static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
1996                                         struct hpi_control *hpi_ctl)
1997 {
1998         struct snd_card *card = asihpi->card;
1999         struct snd_kcontrol_new snd_control;
2000
2001         snd_control.private_value = hpi_ctl->h_control;
2002         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2003
2004         if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2005                 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2006                 snd_control.info = snd_asihpi_tuner_gain_info;
2007                 snd_control.get = snd_asihpi_tuner_gain_get;
2008                 snd_control.put = snd_asihpi_tuner_gain_put;
2009
2010                 if (ctl_add(card, &snd_control, asihpi) < 0)
2011                         return -EINVAL;
2012         }
2013
2014         asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2015         snd_control.info = snd_asihpi_tuner_band_info;
2016         snd_control.get = snd_asihpi_tuner_band_get;
2017         snd_control.put = snd_asihpi_tuner_band_put;
2018
2019         if (ctl_add(card, &snd_control, asihpi) < 0)
2020                 return -EINVAL;
2021
2022         asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2023         snd_control.info = snd_asihpi_tuner_freq_info;
2024         snd_control.get = snd_asihpi_tuner_freq_get;
2025         snd_control.put = snd_asihpi_tuner_freq_put;
2026
2027         return ctl_add(card, &snd_control, asihpi);
2028 }
2029
2030 /*------------------------------------------------------------
2031    Meter controls
2032  ------------------------------------------------------------*/
2033 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2034                                  struct snd_ctl_elem_info *uinfo)
2035 {
2036         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2037         uinfo->count = HPI_MAX_CHANNELS;
2038         uinfo->value.integer.min = 0;
2039         uinfo->value.integer.max = 0x7FFFFFFF;
2040         return 0;
2041 }
2042
2043 /* linear values for 10dB steps */
2044 static int log2lin[] = {
2045         0x7FFFFFFF, /* 0dB */
2046         679093956,
2047         214748365,
2048          67909396,
2049          21474837,
2050           6790940,
2051           2147484, /* -60dB */
2052            679094,
2053            214748, /* -80 */
2054             67909,
2055             21475, /* -100 */
2056              6791,
2057              2147,
2058               679,
2059               214,
2060                68,
2061                21,
2062                 7,
2063                 2
2064 };
2065
2066 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2067                                 struct snd_ctl_elem_value *ucontrol)
2068 {
2069         u32 h_control = kcontrol->private_value;
2070         short an_gain_mB[HPI_MAX_CHANNELS], i;
2071         u16 err;
2072
2073         err = hpi_meter_get_peak(h_control, an_gain_mB);
2074
2075         for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2076                 if (err) {
2077                         ucontrol->value.integer.value[i] = 0;
2078                 } else if (an_gain_mB[i] >= 0) {
2079                         ucontrol->value.integer.value[i] =
2080                                 an_gain_mB[i] << 16;
2081                 } else {
2082                         /* -ve is log value in millibels < -60dB,
2083                         * convert to (roughly!) linear,
2084                         */
2085                         ucontrol->value.integer.value[i] =
2086                                         log2lin[an_gain_mB[i] / -1000];
2087                 }
2088         }
2089         return 0;
2090 }
2091
2092 static int __devinit snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2093                                         struct hpi_control *hpi_ctl, int subidx)
2094 {
2095         struct snd_card *card = asihpi->card;
2096         struct snd_kcontrol_new snd_control;
2097
2098         asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2099         snd_control.access =
2100             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2101         snd_control.info = snd_asihpi_meter_info;
2102         snd_control.get = snd_asihpi_meter_get;
2103
2104         snd_control.index = subidx;
2105
2106         return ctl_add(card, &snd_control, asihpi);
2107 }
2108
2109 /*------------------------------------------------------------
2110    Multiplexer controls
2111  ------------------------------------------------------------*/
2112 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2113 {
2114         u32 h_control = snd_control->private_value;
2115         struct hpi_control hpi_ctl;
2116         int s, err;
2117         for (s = 0; s < 32; s++) {
2118                 err = hpi_multiplexer_query_source(h_control, s,
2119                                                   &hpi_ctl.
2120                                                   src_node_type,
2121                                                   &hpi_ctl.
2122                                                   src_node_index);
2123                 if (err)
2124                         break;
2125         }
2126         return s;
2127 }
2128
2129 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2130                                struct snd_ctl_elem_info *uinfo)
2131 {
2132         int err;
2133         u16 src_node_type, src_node_index;
2134         u32 h_control = kcontrol->private_value;
2135
2136         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2137         uinfo->count = 1;
2138         uinfo->value.enumerated.items =
2139             snd_card_asihpi_mux_count_sources(kcontrol);
2140
2141         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2142                 uinfo->value.enumerated.item =
2143                     uinfo->value.enumerated.items - 1;
2144
2145         err =
2146             hpi_multiplexer_query_source(h_control,
2147                                         uinfo->value.enumerated.item,
2148                                         &src_node_type, &src_node_index);
2149
2150         sprintf(uinfo->value.enumerated.name, "%s %d",
2151                 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2152                 src_node_index);
2153         return 0;
2154 }
2155
2156 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2157                               struct snd_ctl_elem_value *ucontrol)
2158 {
2159         u32 h_control = kcontrol->private_value;
2160         u16 source_type, source_index;
2161         u16 src_node_type, src_node_index;
2162         int s;
2163
2164         hpi_handle_error(hpi_multiplexer_get_source(h_control,
2165                                 &source_type, &source_index));
2166         /* Should cache this search result! */
2167         for (s = 0; s < 256; s++) {
2168                 if (hpi_multiplexer_query_source(h_control, s,
2169                                             &src_node_type, &src_node_index))
2170                         break;
2171
2172                 if ((source_type == src_node_type)
2173                     && (source_index == src_node_index)) {
2174                         ucontrol->value.enumerated.item[0] = s;
2175                         return 0;
2176                 }
2177         }
2178         snd_printd(KERN_WARNING
2179                 "Control %x failed to match mux source %hu %hu\n",
2180                 h_control, source_type, source_index);
2181         ucontrol->value.enumerated.item[0] = 0;
2182         return 0;
2183 }
2184
2185 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2186                               struct snd_ctl_elem_value *ucontrol)
2187 {
2188         int change;
2189         u32 h_control = kcontrol->private_value;
2190         u16 source_type, source_index;
2191         u16 e;
2192
2193         change = 1;
2194
2195         e = hpi_multiplexer_query_source(h_control,
2196                                     ucontrol->value.enumerated.item[0],
2197                                     &source_type, &source_index);
2198         if (!e)
2199                 hpi_handle_error(
2200                         hpi_multiplexer_set_source(h_control,
2201                                                 source_type, source_index));
2202         return change;
2203 }
2204
2205
2206 static int  __devinit snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2207                                         struct hpi_control *hpi_ctl)
2208 {
2209         struct snd_card *card = asihpi->card;
2210         struct snd_kcontrol_new snd_control;
2211
2212         asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2213         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2214         snd_control.info = snd_asihpi_mux_info;
2215         snd_control.get = snd_asihpi_mux_get;
2216         snd_control.put = snd_asihpi_mux_put;
2217
2218         return ctl_add(card, &snd_control, asihpi);
2219
2220 }
2221
2222 /*------------------------------------------------------------
2223    Channel mode controls
2224  ------------------------------------------------------------*/
2225 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2226                                  struct snd_ctl_elem_info *uinfo)
2227 {
2228         static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2229                 "invalid",
2230                 "Normal", "Swap",
2231                 "From Left", "From Right",
2232                 "To Left", "To Right"
2233         };
2234
2235         u32 h_control = kcontrol->private_value;
2236         u16 mode;
2237         int i;
2238         u16 mode_map[6];
2239         int valid_modes = 0;
2240
2241         /* HPI channel mode values can be from 1 to 6
2242         Some adapters only support a contiguous subset
2243         */
2244         for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2245                 if (!hpi_channel_mode_query_mode(
2246                         h_control, i, &mode)) {
2247                         mode_map[valid_modes] = mode;
2248                         valid_modes++;
2249                         }
2250
2251         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2252         uinfo->count = 1;
2253         uinfo->value.enumerated.items = valid_modes;
2254
2255         if (uinfo->value.enumerated.item >= valid_modes)
2256                 uinfo->value.enumerated.item = valid_modes - 1;
2257
2258         strcpy(uinfo->value.enumerated.name,
2259                mode_names[mode_map[uinfo->value.enumerated.item]]);
2260
2261         return 0;
2262 }
2263
2264 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2265                                 struct snd_ctl_elem_value *ucontrol)
2266 {
2267         u32 h_control = kcontrol->private_value;
2268         u16 mode;
2269
2270         if (hpi_channel_mode_get(h_control, &mode))
2271                 mode = 1;
2272
2273         ucontrol->value.enumerated.item[0] = mode - 1;
2274
2275         return 0;
2276 }
2277
2278 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2279                                 struct snd_ctl_elem_value *ucontrol)
2280 {
2281         int change;
2282         u32 h_control = kcontrol->private_value;
2283
2284         change = 1;
2285
2286         hpi_handle_error(hpi_channel_mode_set(h_control,
2287                            ucontrol->value.enumerated.item[0] + 1));
2288         return change;
2289 }
2290
2291
2292 static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2293                                         struct hpi_control *hpi_ctl)
2294 {
2295         struct snd_card *card = asihpi->card;
2296         struct snd_kcontrol_new snd_control;
2297
2298         asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2299         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2300         snd_control.info = snd_asihpi_cmode_info;
2301         snd_control.get = snd_asihpi_cmode_get;
2302         snd_control.put = snd_asihpi_cmode_put;
2303
2304         return ctl_add(card, &snd_control, asihpi);
2305 }
2306
2307 /*------------------------------------------------------------
2308    Sampleclock source  controls
2309  ------------------------------------------------------------*/
2310 static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
2311         "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2312         "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2313         "Prev Module",
2314         "Digital2", "Digital3", "Digital4", "Digital5",
2315         "Digital6", "Digital7", "Digital8"};
2316
2317 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2318                                   struct snd_ctl_elem_info *uinfo)
2319 {
2320         struct snd_card_asihpi *asihpi =
2321                         (struct snd_card_asihpi *)(kcontrol->private_data);
2322         struct clk_cache *clkcache = &asihpi->cc;
2323         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2324         uinfo->count = 1;
2325         uinfo->value.enumerated.items = clkcache->count;
2326
2327         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2328                 uinfo->value.enumerated.item =
2329                                 uinfo->value.enumerated.items - 1;
2330
2331         strcpy(uinfo->value.enumerated.name,
2332                clkcache->s[uinfo->value.enumerated.item].name);
2333         return 0;
2334 }
2335
2336 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2337                                  struct snd_ctl_elem_value *ucontrol)
2338 {
2339         struct snd_card_asihpi *asihpi =
2340                         (struct snd_card_asihpi *)(kcontrol->private_data);
2341         struct clk_cache *clkcache = &asihpi->cc;
2342         u32 h_control = kcontrol->private_value;
2343         u16 source, srcindex = 0;
2344         int i;
2345
2346         ucontrol->value.enumerated.item[0] = 0;
2347         if (hpi_sample_clock_get_source(h_control, &source))
2348                 source = 0;
2349
2350         if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2351                 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2352                         srcindex = 0;
2353
2354         for (i = 0; i < clkcache->count; i++)
2355                 if ((clkcache->s[i].source == source) &&
2356                         (clkcache->s[i].index == srcindex))
2357                         break;
2358
2359         ucontrol->value.enumerated.item[0] = i;
2360
2361         return 0;
2362 }
2363
2364 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2365                                  struct snd_ctl_elem_value *ucontrol)
2366 {
2367         struct snd_card_asihpi *asihpi =
2368                         (struct snd_card_asihpi *)(kcontrol->private_data);
2369         struct clk_cache *clkcache = &asihpi->cc;
2370         int change, item;
2371         u32 h_control = kcontrol->private_value;
2372
2373         change = 1;
2374         item = ucontrol->value.enumerated.item[0];
2375         if (item >= clkcache->count)
2376                 item = clkcache->count-1;
2377
2378         hpi_handle_error(hpi_sample_clock_set_source(
2379                                 h_control, clkcache->s[item].source));
2380
2381         if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2382                 hpi_handle_error(hpi_sample_clock_set_source_index(
2383                                 h_control, clkcache->s[item].index));
2384         return change;
2385 }
2386
2387 /*------------------------------------------------------------
2388    Clkrate controls
2389  ------------------------------------------------------------*/
2390 /* Need to change this to enumerated control with list of rates */
2391 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2392                                    struct snd_ctl_elem_info *uinfo)
2393 {
2394         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2395         uinfo->count = 1;
2396         uinfo->value.integer.min = 8000;
2397         uinfo->value.integer.max = 192000;
2398         uinfo->value.integer.step = 100;
2399
2400         return 0;
2401 }
2402
2403 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2404                                   struct snd_ctl_elem_value *ucontrol)
2405 {
2406         u32 h_control = kcontrol->private_value;
2407         u32 rate;
2408         u16 e;
2409
2410         e = hpi_sample_clock_get_local_rate(h_control, &rate);
2411         if (!e)
2412                 ucontrol->value.integer.value[0] = rate;
2413         else
2414                 ucontrol->value.integer.value[0] = 0;
2415         return 0;
2416 }
2417
2418 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2419                                   struct snd_ctl_elem_value *ucontrol)
2420 {
2421         int change;
2422         u32 h_control = kcontrol->private_value;
2423
2424         /*  change = asihpi->mixer_clkrate[addr][0] != left ||
2425            asihpi->mixer_clkrate[addr][1] != right;
2426          */
2427         change = 1;
2428         hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2429                                       ucontrol->value.integer.value[0]));
2430         return change;
2431 }
2432
2433 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2434                                    struct snd_ctl_elem_info *uinfo)
2435 {
2436         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2437         uinfo->count = 1;
2438         uinfo->value.integer.min = 8000;
2439         uinfo->value.integer.max = 192000;
2440         uinfo->value.integer.step = 100;
2441
2442         return 0;
2443 }
2444
2445 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2446                                   struct snd_ctl_elem_value *ucontrol)
2447 {
2448         u32 h_control = kcontrol->private_value;
2449         u32 rate;
2450         u16 e;
2451
2452         e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2453         if (!e)
2454                 ucontrol->value.integer.value[0] = rate;
2455         else
2456                 ucontrol->value.integer.value[0] = 0;
2457         return 0;
2458 }
2459
2460 static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2461                                         struct hpi_control *hpi_ctl)
2462 {
2463         struct snd_card *card = asihpi->card;
2464         struct snd_kcontrol_new snd_control;
2465
2466         struct clk_cache *clkcache = &asihpi->cc;
2467         u32 hSC =  hpi_ctl->h_control;
2468         int has_aes_in = 0;
2469         int i, j;
2470         u16 source;
2471
2472         snd_control.private_value = hpi_ctl->h_control;
2473
2474         clkcache->has_local = 0;
2475
2476         for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2477                 if  (hpi_sample_clock_query_source(hSC,
2478                                 i, &source))
2479                         break;
2480                 clkcache->s[i].source = source;
2481                 clkcache->s[i].index = 0;
2482                 clkcache->s[i].name = sampleclock_sources[source];
2483                 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2484                         has_aes_in = 1;
2485                 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2486                         clkcache->has_local = 1;
2487         }
2488         if (has_aes_in)
2489                 /* already will have picked up index 0 above */
2490                 for (j = 1; j < 8; j++) {
2491                         if (hpi_sample_clock_query_source_index(hSC,
2492                                 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2493                                 &source))
2494                                 break;
2495                         clkcache->s[i].source =
2496                                 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2497                         clkcache->s[i].index = j;
2498                         clkcache->s[i].name = sampleclock_sources[
2499                                         j+HPI_SAMPLECLOCK_SOURCE_LAST];
2500                         i++;
2501                 }
2502         clkcache->count = i;
2503
2504         asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2505         snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2506         snd_control.info = snd_asihpi_clksrc_info;
2507         snd_control.get = snd_asihpi_clksrc_get;
2508         snd_control.put = snd_asihpi_clksrc_put;
2509         if (ctl_add(card, &snd_control, asihpi) < 0)
2510                 return -EINVAL;
2511
2512
2513         if (clkcache->has_local) {
2514                 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2515                 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2516                 snd_control.info = snd_asihpi_clklocal_info;
2517                 snd_control.get = snd_asihpi_clklocal_get;
2518                 snd_control.put = snd_asihpi_clklocal_put;
2519
2520
2521                 if (ctl_add(card, &snd_control, asihpi) < 0)
2522                         return -EINVAL;
2523         }
2524
2525         asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2526         snd_control.access =
2527             SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2528         snd_control.info = snd_asihpi_clkrate_info;
2529         snd_control.get = snd_asihpi_clkrate_get;
2530
2531         return ctl_add(card, &snd_control, asihpi);
2532 }
2533 /*------------------------------------------------------------
2534    Mixer
2535  ------------------------------------------------------------*/
2536
2537 static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2538 {
2539         struct snd_card *card = asihpi->card;
2540         unsigned int idx = 0;
2541         unsigned int subindex = 0;
2542         int err;
2543         struct hpi_control hpi_ctl, prev_ctl;
2544
2545         if (snd_BUG_ON(!asihpi))
2546                 return -EINVAL;
2547         strcpy(card->mixername, "Asihpi Mixer");
2548
2549         err =
2550             hpi_mixer_open(asihpi->adapter_index,
2551                           &asihpi->h_mixer);
2552         hpi_handle_error(err);
2553         if (err)
2554                 return -err;
2555
2556         memset(&prev_ctl, 0, sizeof(prev_ctl));
2557         prev_ctl.control_type = -1;
2558
2559         for (idx = 0; idx < 2000; idx++) {
2560                 err = hpi_mixer_get_control_by_index(
2561                                 asihpi->h_mixer,
2562                                 idx,
2563                                 &hpi_ctl.src_node_type,
2564                                 &hpi_ctl.src_node_index,
2565                                 &hpi_ctl.dst_node_type,
2566                                 &hpi_ctl.dst_node_index,
2567                                 &hpi_ctl.control_type,
2568                                 &hpi_ctl.h_control);
2569                 if (err) {
2570                         if (err == HPI_ERROR_CONTROL_DISABLED) {
2571                                 if (mixer_dump)
2572                                         snd_printk(KERN_INFO
2573                                                    "Disabled HPI Control(%d)\n",
2574                                                    idx);
2575                                 continue;
2576                         } else
2577                                 break;
2578
2579                 }
2580
2581                 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2582                 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2583
2584                 /* ASI50xx in SSX mode has multiple meters on the same node.
2585                    Use subindex to create distinct ALSA controls
2586                    for any duplicated controls.
2587                 */
2588                 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2589                     (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2590                     (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2591                     (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2592                     (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2593                         subindex++;
2594                 else
2595                         subindex = 0;
2596
2597                 prev_ctl = hpi_ctl;
2598
2599                 switch (hpi_ctl.control_type) {
2600                 case HPI_CONTROL_VOLUME:
2601                         err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2602                         break;
2603                 case HPI_CONTROL_LEVEL:
2604                         err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2605                         break;
2606                 case HPI_CONTROL_MULTIPLEXER:
2607                         err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2608                         break;
2609                 case HPI_CONTROL_CHANNEL_MODE:
2610                         err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2611                         break;
2612                 case HPI_CONTROL_METER:
2613                         err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2614                         break;
2615                 case HPI_CONTROL_SAMPLECLOCK:
2616                         err = snd_asihpi_sampleclock_add(
2617                                                 asihpi, &hpi_ctl);
2618                         break;
2619                 case HPI_CONTROL_CONNECTION:    /* ignore these */
2620                         continue;
2621                 case HPI_CONTROL_TUNER:
2622                         err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2623                         break;
2624                 case HPI_CONTROL_AESEBU_TRANSMITTER:
2625                         err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2626                         break;
2627                 case HPI_CONTROL_AESEBU_RECEIVER:
2628                         err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2629                         break;
2630                 case HPI_CONTROL_VOX:
2631                 case HPI_CONTROL_BITSTREAM:
2632                 case HPI_CONTROL_MICROPHONE:
2633                 case HPI_CONTROL_PARAMETRIC_EQ:
2634                 case HPI_CONTROL_COMPANDER:
2635                 default:
2636                         if (mixer_dump)
2637                                 snd_printk(KERN_INFO
2638                                         "Untranslated HPI Control"
2639                                         "(%d) %d %d %d %d %d\n",
2640                                         idx,
2641                                         hpi_ctl.control_type,
2642                                         hpi_ctl.src_node_type,
2643                                         hpi_ctl.src_node_index,
2644                                         hpi_ctl.dst_node_type,
2645                                         hpi_ctl.dst_node_index);
2646                         continue;
2647                 };
2648                 if (err < 0)
2649                         return err;
2650         }
2651         if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2652                 hpi_handle_error(err);
2653
2654         snd_printk(KERN_INFO "%d mixer controls found\n", idx);
2655
2656         return 0;
2657 }
2658
2659 /*------------------------------------------------------------
2660    /proc interface
2661  ------------------------------------------------------------*/
2662
2663 static void
2664 snd_asihpi_proc_read(struct snd_info_entry *entry,
2665                         struct snd_info_buffer *buffer)
2666 {
2667         struct snd_card_asihpi *asihpi = entry->private_data;
2668         u16 version;
2669         u32 h_control;
2670         u32 rate = 0;
2671         u16 source = 0;
2672         int err;
2673
2674         snd_iprintf(buffer, "ASIHPI driver proc file\n");
2675         snd_iprintf(buffer,
2676                 "adapter ID=%4X\n_index=%d\n"
2677                 "num_outstreams=%d\n_num_instreams=%d\n",
2678                 asihpi->type, asihpi->adapter_index,
2679                 asihpi->num_outstreams, asihpi->num_instreams);
2680
2681         version = asihpi->version;
2682         snd_iprintf(buffer,
2683                 "serial#=%d\n_hw version %c%d\nDSP code version %03d\n",
2684                 asihpi->serial_number, ((version >> 3) & 0xf) + 'A',
2685                 version & 0x7,
2686                 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2687
2688         err = hpi_mixer_get_control(asihpi->h_mixer,
2689                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2690                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
2691
2692         if (!err) {
2693                 err = hpi_sample_clock_get_sample_rate(
2694                                         h_control, &rate);
2695                 err += hpi_sample_clock_get_source(h_control, &source);
2696
2697                 if (!err)
2698                         snd_iprintf(buffer, "sample_clock=%d_hz, source %s\n",
2699                         rate, sampleclock_sources[source]);
2700         }
2701
2702 }
2703
2704
2705 static void __devinit snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2706 {
2707         struct snd_info_entry *entry;
2708
2709         if (!snd_card_proc_new(asihpi->card, "info", &entry))
2710                 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2711 }
2712
2713 /*------------------------------------------------------------
2714    HWDEP
2715  ------------------------------------------------------------*/
2716
2717 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2718 {
2719         if (enable_hpi_hwdep)
2720                 return 0;
2721         else
2722                 return -ENODEV;
2723
2724 }
2725
2726 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2727 {
2728         if (enable_hpi_hwdep)
2729                 return asihpi_hpi_release(file);
2730         else
2731                 return -ENODEV;
2732 }
2733
2734 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2735                                 unsigned int cmd, unsigned long arg)
2736 {
2737         if (enable_hpi_hwdep)
2738                 return asihpi_hpi_ioctl(file, cmd, arg);
2739         else
2740                 return -ENODEV;
2741 }
2742
2743
2744 /* results in /dev/snd/hwC#D0 file for each card with index #
2745    also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2746 */
2747 static int __devinit snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi,
2748         int device, struct snd_hwdep **rhwdep)
2749 {
2750         struct snd_hwdep *hw;
2751         int err;
2752
2753         if (rhwdep)
2754                 *rhwdep = NULL;
2755         err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2756         if (err < 0)
2757                 return err;
2758         strcpy(hw->name, "asihpi (HPI)");
2759         hw->iface = SNDRV_HWDEP_IFACE_LAST;
2760         hw->ops.open = snd_asihpi_hpi_open;
2761         hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2762         hw->ops.release = snd_asihpi_hpi_release;
2763         hw->private_data = asihpi;
2764         if (rhwdep)
2765                 *rhwdep = hw;
2766         return 0;
2767 }
2768
2769 /*------------------------------------------------------------
2770    CARD
2771  ------------------------------------------------------------*/
2772 static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
2773                                        const struct pci_device_id *pci_id)
2774 {
2775         int err;
2776
2777         u16 version;
2778         int pcm_substreams;
2779
2780         struct hpi_adapter *hpi_card;
2781         struct snd_card *card;
2782         struct snd_card_asihpi *asihpi;
2783
2784         u32 h_control;
2785         u32 h_stream;
2786
2787         static int dev;
2788         if (dev >= SNDRV_CARDS)
2789                 return -ENODEV;
2790
2791         /* Should this be enable[hpi_card->index] ? */
2792         if (!enable[dev]) {
2793                 dev++;
2794                 return -ENOENT;
2795         }
2796
2797         err = asihpi_adapter_probe(pci_dev, pci_id);
2798         if (err < 0)
2799                 return err;
2800
2801         hpi_card = pci_get_drvdata(pci_dev);
2802         /* first try to give the card the same index as its hardware index */
2803         err = snd_card_create(hpi_card->index,
2804                               id[hpi_card->index], THIS_MODULE,
2805                               sizeof(struct snd_card_asihpi),
2806                               &card);
2807         if (err < 0) {
2808                 /* if that fails, try the default index==next available */
2809                 err =
2810                     snd_card_create(index[dev], id[dev],
2811                                     THIS_MODULE,
2812                                     sizeof(struct snd_card_asihpi),
2813                                     &card);
2814                 if (err < 0)
2815                         return err;
2816                 snd_printk(KERN_WARNING
2817                         "**** WARNING **** Adapter index %d->ALSA index %d\n",
2818                         hpi_card->index, card->number);
2819         }
2820
2821         snd_card_set_dev(card, &pci_dev->dev);
2822
2823         asihpi = (struct snd_card_asihpi *) card->private_data;
2824         asihpi->card = card;
2825         asihpi->pci = pci_dev;
2826         asihpi->adapter_index = hpi_card->index;
2827         hpi_handle_error(hpi_adapter_get_info(
2828                                  asihpi->adapter_index,
2829                                  &asihpi->num_outstreams,
2830                                  &asihpi->num_instreams,
2831                                  &asihpi->version,
2832                                  &asihpi->serial_number, &asihpi->type));
2833
2834         version = asihpi->version;
2835         snd_printk(KERN_INFO "adapter ID=%4X index=%d num_outstreams=%d "
2836                         "num_instreams=%d S/N=%d\n"
2837                         "Hw Version %c%d DSP code version %03d\n",
2838                         asihpi->type, asihpi->adapter_index,
2839                         asihpi->num_outstreams,
2840                         asihpi->num_instreams, asihpi->serial_number,
2841                         ((version >> 3) & 0xf) + 'A',
2842                         version & 0x7,
2843                         ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2844
2845         pcm_substreams = asihpi->num_outstreams;
2846         if (pcm_substreams < asihpi->num_instreams)
2847                 pcm_substreams = asihpi->num_instreams;
2848
2849         err = hpi_adapter_get_property(asihpi->adapter_index,
2850                 HPI_ADAPTER_PROPERTY_CAPS1,
2851                 NULL, &asihpi->support_grouping);
2852         if (err)
2853                 asihpi->support_grouping = 0;
2854
2855         err = hpi_adapter_get_property(asihpi->adapter_index,
2856                 HPI_ADAPTER_PROPERTY_CAPS2,
2857                 &asihpi->support_mrx, NULL);
2858         if (err)
2859                 asihpi->support_mrx = 0;
2860
2861         err = hpi_adapter_get_property(asihpi->adapter_index,
2862                 HPI_ADAPTER_PROPERTY_INTERVAL,
2863                 NULL, &asihpi->update_interval_frames);
2864         if (err)
2865                 asihpi->update_interval_frames = 512;
2866
2867         if (!asihpi->can_dma)
2868                 asihpi->update_interval_frames *= 2;
2869
2870         hpi_handle_error(hpi_instream_open(asihpi->adapter_index,
2871                              0, &h_stream));
2872
2873         err = hpi_instream_host_buffer_free(h_stream);
2874         asihpi->can_dma = (!err);
2875
2876         hpi_handle_error(hpi_instream_close(h_stream));
2877
2878         err = hpi_adapter_get_property(asihpi->adapter_index,
2879                 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2880                 &asihpi->in_max_chans, &asihpi->out_max_chans);
2881         if (err) {
2882                 asihpi->in_max_chans = 2;
2883                 asihpi->out_max_chans = 2;
2884         }
2885
2886         snd_printk(KERN_INFO "has dma:%d, grouping:%d, mrx:%d\n",
2887                         asihpi->can_dma,
2888                         asihpi->support_grouping,
2889                         asihpi->support_mrx
2890               );
2891
2892         err = snd_card_asihpi_pcm_new(asihpi, 0, pcm_substreams);
2893         if (err < 0) {
2894                 snd_printk(KERN_ERR "pcm_new failed\n");
2895                 goto __nodev;
2896         }
2897         err = snd_card_asihpi_mixer_new(asihpi);
2898         if (err < 0) {
2899                 snd_printk(KERN_ERR "mixer_new failed\n");
2900                 goto __nodev;
2901         }
2902
2903         err = hpi_mixer_get_control(asihpi->h_mixer,
2904                                   HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2905                                   HPI_CONTROL_SAMPLECLOCK, &h_control);
2906
2907         if (!err)
2908                 err = hpi_sample_clock_set_local_rate(
2909                         h_control, adapter_fs);
2910
2911         snd_asihpi_proc_init(asihpi);
2912
2913         /* always create, can be enabled or disabled dynamically
2914             by enable_hwdep  module param*/
2915         snd_asihpi_hpi_new(asihpi, 0, NULL);
2916
2917         strcpy(card->driver, "ASIHPI");
2918
2919         sprintf(card->shortname, "AudioScience ASI%4X", asihpi->type);
2920         sprintf(card->longname, "%s %i",
2921                         card->shortname, asihpi->adapter_index);
2922         err = snd_card_register(card);
2923
2924         if (!err) {
2925                 hpi_card->snd_card_asihpi = card;
2926                 dev++;
2927                 return 0;
2928         }
2929 __nodev:
2930         snd_card_free(card);
2931         snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err);
2932         return err;
2933
2934 }
2935
2936 static void __devexit snd_asihpi_remove(struct pci_dev *pci_dev)
2937 {
2938         struct hpi_adapter *hpi_card = pci_get_drvdata(pci_dev);
2939
2940         snd_card_free(hpi_card->snd_card_asihpi);
2941         hpi_card->snd_card_asihpi = NULL;
2942         asihpi_adapter_remove(pci_dev);
2943 }
2944
2945 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = {
2946         {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
2947                 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2948                 (kernel_ulong_t)HPI_6205},
2949         {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
2950                 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2951                 (kernel_ulong_t)HPI_6000},
2952         {0,}
2953 };
2954 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
2955
2956 static struct pci_driver driver = {
2957         .name = KBUILD_MODNAME,
2958         .id_table = asihpi_pci_tbl,
2959         .probe = snd_asihpi_probe,
2960         .remove = __devexit_p(snd_asihpi_remove),
2961 #ifdef CONFIG_PM
2962 /*      .suspend = snd_asihpi_suspend,
2963         .resume = snd_asihpi_resume, */
2964 #endif
2965 };
2966
2967 static int __init snd_asihpi_init(void)
2968 {
2969         asihpi_init();
2970         return pci_register_driver(&driver);
2971 }
2972
2973 static void __exit snd_asihpi_exit(void)
2974 {
2975
2976         pci_unregister_driver(&driver);
2977         asihpi_exit();
2978 }
2979
2980 module_init(snd_asihpi_init)
2981 module_exit(snd_asihpi_exit)
2982