code.delx.au - pulseaudio/blob - src/modules/alsa/module-alsa-card.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2009 Lennart Poettering
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2.1 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <pulse/xmalloc.h>
  27
  28 #include <pulsecore/core-util.h>
  29 #include <pulsecore/i18n.h>
  30 #include <pulsecore/modargs.h>
  31 #include <pulsecore/queue.h>
  32
  33 #include <modules/reserve-wrap.h>
  34
  35 #ifdef HAVE_UDEV
  36 #include <modules/udev-util.h>
  37 #endif
  38
  39 #include "alsa-util.h"
  40 #include "alsa-ucm.h"
  41 #include "alsa-sink.h"
  42 #include "alsa-source.h"
  43 #include "module-alsa-card-symdef.h"
  44
  45 PA_MODULE_AUTHOR("Lennart Poettering");
  46 PA_MODULE_DESCRIPTION("ALSA Card");
  47 PA_MODULE_VERSION(PACKAGE_VERSION);
  48 PA_MODULE_LOAD_ONCE(FALSE);
  49 PA_MODULE_USAGE(
  50         "name=<name for the card/sink/source, to be prefixed> "
  51         "card_name=<name for the card> "
  52         "card_properties=<properties for the card> "
  53         "sink_name=<name for the sink> "
  54         "sink_properties=<properties for the sink> "
  55         "source_name=<name for the source> "
  56         "source_properties=<properties for the source> "
  57         "namereg_fail=<when false attempt to synthesise new names if they are already taken> "
  58         "device_id=<ALSA card index> "
  59         "format=<sample format> "
  60         "rate=<sample rate> "
  61         "fragments=<number of fragments> "
  62         "fragment_size=<fragment size> "
  63         "mmap=<enable memory mapping?> "
  64         "tsched=<enable system timer based scheduling mode?> "
  65         "tsched_buffer_size=<buffer size when using timer based scheduling> "
  66         "tsched_buffer_watermark=<lower fill watermark> "
  67         "profile=<profile name> "
  68         "fixed_latency_range=<disable latency range changes on underrun?> "
  69         "ignore_dB=<ignore dB information from the device?> "
  70         "deferred_volume=<Synchronize software and hardware volume changes to avoid momentary jumps?> "
  71         "profile_set=<profile set configuration file> "
  72         "paths_dir=<directory containing the path configuration files> "
  73         "use_ucm=<load use case manager> "
  74 );
  75
  76 static const char* const valid_modargs[] = {
  77     "name",
  78     "card_name",
  79     "card_properties",
  80     "sink_name",
  81     "sink_properties",
  82     "source_name",
  83     "source_properties",
  84     "namereg_fail",
  85     "device_id",
  86     "format",
  87     "rate",
  88     "fragments",
  89     "fragment_size",
  90     "mmap",
  91     "tsched",
  92     "tsched_buffer_size",
  93     "tsched_buffer_watermark",
  94     "fixed_latency_range",
  95     "profile",
  96     "ignore_dB",
  97     "deferred_volume",
  98     "profile_set",
  99     "paths_dir",
 100     "use_ucm",
 101     NULL
 102 };
 103
 104 #define DEFAULT_DEVICE_ID "0"
 105
 106 struct userdata {
 107     pa_core *core;
 108     pa_module *module;
 109
 110     char *device_id;
 111     int alsa_card_index;
 112
 113     snd_mixer_t *mixer_handle;
 114     snd_hctl_t *hctl_handle;
 115     pa_hashmap *jacks;
 116     pa_alsa_fdlist *mixer_fdl;
 117
 118     pa_card *card;
 119
 120     pa_modargs *modargs;
 121
 122     pa_alsa_profile_set *profile_set;
 123
 124     /* ucm stuffs */
 125     pa_bool_t use_ucm;
 126     pa_alsa_ucm_config ucm;
 127
 128     /* hooks for modifier action */
 129     pa_hook_slot
 130         *sink_input_put_hook_slot,
 131         *source_output_put_hook_slot,
 132         *sink_input_unlink_hook_slot,
 133         *source_output_unlink_hook_slot;
 134 };
 135
 136 struct profile_data {
 137     pa_alsa_profile *profile;
 138 };
 139
 140 static void add_profiles(struct userdata *u, pa_hashmap *h, pa_hashmap *ports) {
 141     pa_alsa_profile *ap;
 142     void *state;
 143
 144     pa_assert(u);
 145     pa_assert(h);
 146
 147     PA_HASHMAP_FOREACH(ap, u->profile_set->profiles, state) {
 148         struct profile_data *d;
 149         pa_card_profile *cp;
 150         pa_alsa_mapping *m;
 151         uint32_t idx;
 152
 153         cp = pa_card_profile_new(ap->name, ap->description, sizeof(struct profile_data));
 154         cp->priority = ap->priority;
 155
 156         if (ap->output_mappings) {
 157             cp->n_sinks = pa_idxset_size(ap->output_mappings);
 158
 159             PA_IDXSET_FOREACH(m, ap->output_mappings, idx) {
 160                 if (u->use_ucm)
 161                     pa_alsa_ucm_add_ports_combination(NULL, &m->ucm_context, TRUE, ports, cp, u->core);
 162                 else
 163                     pa_alsa_path_set_add_ports(m->output_path_set, cp, ports, NULL, u->core);
 164                 if (m->channel_map.channels > cp->max_sink_channels)
 165                     cp->max_sink_channels = m->channel_map.channels;
 166             }
 167         }
 168
 169         if (ap->input_mappings) {
 170             cp->n_sources = pa_idxset_size(ap->input_mappings);
 171
 172             PA_IDXSET_FOREACH(m, ap->input_mappings, idx) {
 173                 if (u->use_ucm)
 174                     pa_alsa_ucm_add_ports_combination(NULL, &m->ucm_context, FALSE, ports, cp, u->core);
 175                 else
 176                     pa_alsa_path_set_add_ports(m->input_path_set, cp, ports, NULL, u->core);
 177                 if (m->channel_map.channels > cp->max_source_channels)
 178                     cp->max_source_channels = m->channel_map.channels;
 179             }
 180         }
 181
 182         d = PA_CARD_PROFILE_DATA(cp);
 183         d->profile = ap;
 184
 185         pa_hashmap_put(h, cp->name, cp);
 186     }
 187 }
 188
 189 static void add_disabled_profile(pa_hashmap *profiles) {
 190     pa_card_profile *p;
 191     struct profile_data *d;
 192
 193     p = pa_card_profile_new("off", _("Off"), sizeof(struct profile_data));
 194
 195     d = PA_CARD_PROFILE_DATA(p);
 196     d->profile = NULL;
 197
 198     pa_hashmap_put(profiles, p->name, p);
 199 }
 200
 201 static int card_set_profile(pa_card *c, pa_card_profile *new_profile) {
 202     struct userdata *u;
 203     struct profile_data *nd, *od;
 204     uint32_t idx;
 205     pa_alsa_mapping *am;
 206     pa_queue *sink_inputs = NULL, *source_outputs = NULL;
 207
 208     pa_assert(c);
 209     pa_assert(new_profile);
 210     pa_assert_se(u = c->userdata);
 211
 212     nd = PA_CARD_PROFILE_DATA(new_profile);
 213     od = PA_CARD_PROFILE_DATA(c->active_profile);
 214
 215     if (od->profile && od->profile->output_mappings)
 216         PA_IDXSET_FOREACH(am, od->profile->output_mappings, idx) {
 217             if (!am->sink)
 218                 continue;
 219
 220             if (nd->profile &&
 221                 nd->profile->output_mappings &&
 222                 pa_idxset_get_by_data(nd->profile->output_mappings, am, NULL))
 223                 continue;
 224
 225             sink_inputs = pa_sink_move_all_start(am->sink, sink_inputs);
 226             pa_alsa_sink_free(am->sink);
 227             am->sink = NULL;
 228         }
 229
 230     if (od->profile && od->profile->input_mappings)
 231         PA_IDXSET_FOREACH(am, od->profile->input_mappings, idx) {
 232             if (!am->source)
 233                 continue;
 234
 235             if (nd->profile &&
 236                 nd->profile->input_mappings &&
 237                 pa_idxset_get_by_data(nd->profile->input_mappings, am, NULL))
 238                 continue;
 239
 240             source_outputs = pa_source_move_all_start(am->source, source_outputs);
 241             pa_alsa_source_free(am->source);
 242             am->source = NULL;
 243         }
 244
 245     /* if UCM is available for this card then update the verb */
 246     if (u->use_ucm) {
 247         if (pa_alsa_ucm_set_profile(&u->ucm, nd->profile ? nd->profile->name : NULL,
 248                     od->profile ? od->profile->name : NULL) < 0)
 249             return -1;
 250     }
 251
 252     if (nd->profile && nd->profile->output_mappings)
 253         PA_IDXSET_FOREACH(am, nd->profile->output_mappings, idx) {
 254
 255             if (!am->sink)
 256                 am->sink = pa_alsa_sink_new(c->module, u->modargs, __FILE__, c, am);
 257
 258             if (sink_inputs && am->sink) {
 259                 pa_sink_move_all_finish(am->sink, sink_inputs, FALSE);
 260                 sink_inputs = NULL;
 261             }
 262         }
 263
 264     if (nd->profile && nd->profile->input_mappings)
 265         PA_IDXSET_FOREACH(am, nd->profile->input_mappings, idx) {
 266
 267             if (!am->source)
 268                 am->source = pa_alsa_source_new(c->module, u->modargs, __FILE__, c, am);
 269
 270             if (source_outputs && am->source) {
 271                 pa_source_move_all_finish(am->source, source_outputs, FALSE);
 272                 source_outputs = NULL;
 273             }
 274         }
 275
 276     if (sink_inputs)
 277         pa_sink_move_all_fail(sink_inputs);
 278
 279     if (source_outputs)
 280         pa_source_move_all_fail(source_outputs);
 281
 282     return 0;
 283 }
 284
 285 static void init_profile(struct userdata *u) {
 286     uint32_t idx;
 287     pa_alsa_mapping *am;
 288     struct profile_data *d;
 289     pa_alsa_ucm_config *ucm = &u->ucm;
 290
 291     pa_assert(u);
 292
 293     d = PA_CARD_PROFILE_DATA(u->card->active_profile);
 294
 295     if (d->profile && u->use_ucm) {
 296         /* Set initial verb */
 297         if (pa_alsa_ucm_set_profile(ucm, d->profile->name, NULL) < 0) {
 298             pa_log("Failed to set ucm profile %s", d->profile->name);
 299             return;
 300         }
 301     }
 302
 303     if (d->profile && d->profile->output_mappings)
 304         PA_IDXSET_FOREACH(am, d->profile->output_mappings, idx)
 305             am->sink = pa_alsa_sink_new(u->module, u->modargs, __FILE__, u->card, am);
 306
 307     if (d->profile && d->profile->input_mappings)
 308         PA_IDXSET_FOREACH(am, d->profile->input_mappings, idx)
 309             am->source = pa_alsa_source_new(u->module, u->modargs, __FILE__, u->card, am);
 310 }
 311
 312 static void report_port_state(pa_device_port *p, struct userdata *u)
 313 {
 314     void *state;
 315     pa_alsa_jack *jack;
 316     pa_port_available_t pa = PA_PORT_AVAILABLE_UNKNOWN;
 317     pa_device_port *port;
 318
 319     PA_HASHMAP_FOREACH(jack, u->jacks, state) {
 320         pa_port_available_t cpa;
 321
 322         if (u->use_ucm)
 323             port = pa_hashmap_get(u->card->ports, jack->name);
 324         else {
 325             if (jack->path)
 326                 port = jack->path->port;
 327             else
 328                 continue;
 329         }
 330
 331         if (p != port)
 332             continue;
 333
 334         cpa = jack->plugged_in ? jack->state_plugged : jack->state_unplugged;
 335
 336         /* "Yes" and "no" trumphs "unknown" if we have more than one jack */
 337         if (cpa == PA_PORT_AVAILABLE_UNKNOWN)
 338             continue;
 339
 340         if ((cpa == PA_PORT_AVAILABLE_NO && pa == PA_PORT_AVAILABLE_YES) ||
 341             (pa == PA_PORT_AVAILABLE_NO && cpa == PA_PORT_AVAILABLE_YES))
 342             pa_log_warn("Availability of port '%s' is inconsistent!", p->name);
 343         else
 344             pa = cpa;
 345     }
 346
 347     pa_device_port_set_available(p, pa);
 348 }
 349
 350 static int report_jack_state(snd_hctl_elem_t *elem, unsigned int mask)
 351 {
 352     struct userdata *u = snd_hctl_elem_get_callback_private(elem);
 353     snd_ctl_elem_value_t *elem_value;
 354     pa_bool_t plugged_in;
 355     void *state;
 356     pa_alsa_jack *jack;
 357     pa_device_port *port;
 358
 359     pa_assert(u);
 360
 361     if (mask == SND_CTL_EVENT_MASK_REMOVE)
 362         return 0;
 363
 364     snd_ctl_elem_value_alloca(&elem_value);
 365     if (snd_hctl_elem_read(elem, elem_value) < 0) {
 366         pa_log_warn("Failed to read jack detection from '%s'", pa_strnull(snd_hctl_elem_get_name(elem)));
 367         return 0;
 368     }
 369
 370     plugged_in = !!snd_ctl_elem_value_get_boolean(elem_value, 0);
 371
 372     pa_log_debug("Jack '%s' is now %s", pa_strnull(snd_hctl_elem_get_name(elem)), plugged_in ? "plugged in" : "unplugged");
 373
 374     PA_HASHMAP_FOREACH(jack, u->jacks, state)
 375         if (jack->hctl_elem == elem) {
 376             jack->plugged_in = plugged_in;
 377             if (u->use_ucm) {
 378                 pa_assert(u->card->ports);
 379                 port = pa_hashmap_get(u->card->ports, jack->name);
 380                 pa_assert(port);
 381             }
 382             else {
 383                 pa_assert(jack->path && jack->path->port);
 384                 port = jack->path->port;
 385             }
 386             report_port_state(port, u);
 387         }
 388     return 0;
 389 }
 390
 391 static void init_jacks(struct userdata *u) {
 392     void *state;
 393     pa_alsa_path* path;
 394     pa_alsa_jack* jack;
 395
 396     u->jacks = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
 397
 398     if (u->use_ucm) {
 399         PA_LLIST_FOREACH(jack, u->ucm.jacks)
 400             if (jack->has_control)
 401                 pa_hashmap_put(u->jacks, jack, jack);
 402     } else {
 403         /* See if we have any jacks */
 404         if (u->profile_set->output_paths)
 405             PA_HASHMAP_FOREACH(path, u->profile_set->output_paths, state)
 406                 PA_LLIST_FOREACH(jack, path->jacks)
 407                     if (jack->has_control)
 408                         pa_hashmap_put(u->jacks, jack, jack);
 409
 410         if (u->profile_set->input_paths)
 411             PA_HASHMAP_FOREACH(path, u->profile_set->input_paths, state)
 412                 PA_LLIST_FOREACH(jack, path->jacks)
 413                     if (jack->has_control)
 414                         pa_hashmap_put(u->jacks, jack, jack);
 415     }
 416
 417     pa_log_debug("Found %d jacks.", pa_hashmap_size(u->jacks));
 418
 419     if (pa_hashmap_size(u->jacks) == 0)
 420         return;
 421
 422     u->mixer_fdl = pa_alsa_fdlist_new();
 423
 424     u->mixer_handle = pa_alsa_open_mixer(u->alsa_card_index, NULL, &u->hctl_handle);
 425     if (u->mixer_handle && pa_alsa_fdlist_set_handle(u->mixer_fdl, NULL, u->hctl_handle, u->core->mainloop) >= 0) {
 426         PA_HASHMAP_FOREACH(jack, u->jacks, state) {
 427             jack->hctl_elem = pa_alsa_find_jack(u->hctl_handle, jack->alsa_name);
 428             if (!jack->hctl_elem) {
 429                 pa_log_warn("Jack '%s' seems to have disappeared.", jack->alsa_name);
 430                 jack->has_control = FALSE;
 431                 continue;
 432             }
 433             snd_hctl_elem_set_callback_private(jack->hctl_elem, u);
 434             snd_hctl_elem_set_callback(jack->hctl_elem, report_jack_state);
 435             report_jack_state(jack->hctl_elem, 0);
 436         }
 437
 438     } else
 439         pa_log("Failed to open hctl/mixer for jack detection");
 440
 441 }
 442
 443 static void set_card_name(pa_card_new_data *data, pa_modargs *ma, const char *device_id) {
 444     char *t;
 445     const char *n;
 446
 447     pa_assert(data);
 448     pa_assert(ma);
 449     pa_assert(device_id);
 450
 451     if ((n = pa_modargs_get_value(ma, "card_name", NULL))) {
 452         pa_card_new_data_set_name(data, n);
 453         data->namereg_fail = TRUE;
 454         return;
 455     }
 456
 457     if ((n = pa_modargs_get_value(ma, "name", NULL)))
 458         data->namereg_fail = TRUE;
 459     else {
 460         n = device_id;
 461         data->namereg_fail = FALSE;
 462     }
 463
 464     t = pa_sprintf_malloc("alsa_card.%s", n);
 465     pa_card_new_data_set_name(data, t);
 466     pa_xfree(t);
 467 }
 468
 469 static pa_hook_result_t sink_input_put_hook_callback(pa_core *c, pa_sink_input *sink_input, struct userdata *u) {
 470     const char *role;
 471     pa_sink *sink = sink_input->sink;
 472
 473     pa_assert(sink);
 474
 475     role = pa_proplist_gets(sink_input->proplist, PA_PROP_MEDIA_ROLE);
 476
 477     /* new sink input linked to sink of this card */
 478     if (role && sink->card == u->card)
 479         pa_alsa_ucm_roled_stream_begin(&u->ucm, role, PA_DIRECTION_OUTPUT);
 480
 481     return PA_HOOK_OK;
 482 }
 483
 484 static pa_hook_result_t source_output_put_hook_callback(pa_core *c, pa_source_output *source_output, struct userdata *u) {
 485     const char *role;
 486     pa_source *source = source_output->source;
 487
 488     pa_assert(source);
 489
 490     role = pa_proplist_gets(source_output->proplist, PA_PROP_MEDIA_ROLE);
 491
 492     /* new source output linked to source of this card */
 493     if (role && source->card == u->card)
 494         pa_alsa_ucm_roled_stream_begin(&u->ucm, role, PA_DIRECTION_INPUT);
 495
 496     return PA_HOOK_OK;
 497 }
 498
 499 static pa_hook_result_t sink_input_unlink_hook_callback(pa_core *c, pa_sink_input *sink_input, struct userdata *u) {
 500     const char *role;
 501     pa_sink *sink = sink_input->sink;
 502
 503     pa_assert(sink);
 504
 505     role = pa_proplist_gets(sink_input->proplist, PA_PROP_MEDIA_ROLE);
 506
 507     /* new sink input unlinked from sink of this card */
 508     if (role && sink->card == u->card)
 509         pa_alsa_ucm_roled_stream_end(&u->ucm, role, PA_DIRECTION_OUTPUT);
 510
 511     return PA_HOOK_OK;
 512 }
 513
 514 static pa_hook_result_t source_output_unlink_hook_callback(pa_core *c, pa_source_output *source_output, struct userdata *u) {
 515     const char *role;
 516     pa_source *source = source_output->source;
 517
 518     pa_assert(source);
 519
 520     role = pa_proplist_gets(source_output->proplist, PA_PROP_MEDIA_ROLE);
 521
 522     /* new source output unlinked from source of this card */
 523     if (role && source->card == u->card)
 524         pa_alsa_ucm_roled_stream_end(&u->ucm, role, PA_DIRECTION_INPUT);
 525
 526     return PA_HOOK_OK;
 527 }
 528
 529 int pa__init(pa_module *m) {
 530     pa_card_new_data data;
 531     pa_modargs *ma;
 532     pa_bool_t ignore_dB = FALSE;
 533     struct userdata *u;
 534     pa_reserve_wrapper *reserve = NULL;
 535     const char *description;
 536     const char *profile = NULL;
 537     char *fn = NULL;
 538     pa_bool_t namereg_fail = FALSE;
 539
 540     pa_alsa_refcnt_inc();
 541
 542     pa_assert(m);
 543
 544     if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
 545         pa_log("Failed to parse module arguments");
 546         goto fail;
 547     }
 548
 549     if (pa_modargs_get_value_boolean(ma, "ignore_dB", &ignore_dB) < 0) {
 550         pa_log("Failed to parse ignore_dB argument.");
 551         goto fail;
 552     }
 553
 554     m->userdata = u = pa_xnew0(struct userdata, 1);
 555     u->core = m->core;
 556     u->module = m;
 557     u->device_id = pa_xstrdup(pa_modargs_get_value(ma, "device_id", DEFAULT_DEVICE_ID));
 558     u->modargs = ma;
 559
 560     u->use_ucm = TRUE;
 561     u->ucm.core = m->core;
 562
 563     if ((u->alsa_card_index = snd_card_get_index(u->device_id)) < 0) {
 564         pa_log("Card '%s' doesn't exist: %s", u->device_id, pa_alsa_strerror(u->alsa_card_index));
 565         goto fail;
 566     }
 567
 568     if (!pa_in_system_mode()) {
 569         char *rname;
 570
 571         if ((rname = pa_alsa_get_reserve_name(u->device_id))) {
 572             reserve = pa_reserve_wrapper_get(m->core, rname);
 573             pa_xfree(rname);
 574
 575             if (!reserve)
 576                 goto fail;
 577         }
 578     }
 579
 580     pa_modargs_get_value_boolean(ma, "use_ucm", &u->use_ucm);
 581     if (u->use_ucm && !pa_alsa_ucm_query_profiles(&u->ucm, u->alsa_card_index)) {
 582         pa_log_info("Found UCM profiles");
 583
 584         u->profile_set = pa_alsa_ucm_add_profile_set(&u->ucm, &u->core->default_channel_map);
 585
 586         /* hook start of sink input/source output to enable modifiers */
 587         /* A little bit later than module-role-cork */
 588         u->sink_input_put_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_PUT], PA_HOOK_LATE+10,
 589                 (pa_hook_cb_t) sink_input_put_hook_callback, u);
 590         u->source_output_put_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PUT], PA_HOOK_LATE+10,
 591                 (pa_hook_cb_t) source_output_put_hook_callback, u);
 592
 593         /* hook end of sink input/source output to disable modifiers */
 594         /* A little bit later than module-role-cork */
 595         u->sink_input_unlink_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK], PA_HOOK_LATE+10,
 596                 (pa_hook_cb_t) sink_input_unlink_hook_callback, u);
 597         u->source_output_unlink_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK], PA_HOOK_LATE+10,
 598                 (pa_hook_cb_t) source_output_unlink_hook_callback, u);
 599     }
 600     else {
 601         u->use_ucm = FALSE;
 602 #ifdef HAVE_UDEV
 603         fn = pa_udev_get_property(u->alsa_card_index, "PULSE_PROFILE_SET");
 604 #endif
 605
 606         if (pa_modargs_get_value(ma, "profile_set", NULL)) {
 607             pa_xfree(fn);
 608             fn = pa_xstrdup(pa_modargs_get_value(ma, "profile_set", NULL));
 609         }
 610
 611         u->profile_set = pa_alsa_profile_set_new(fn, &u->core->default_channel_map);
 612         pa_xfree(fn);
 613     }
 614
 615     u->profile_set->ignore_dB = ignore_dB;
 616
 617     if (!u->profile_set)
 618         goto fail;
 619
 620     pa_alsa_profile_set_probe(u->profile_set, u->device_id, &m->core->default_sample_spec, m->core->default_n_fragments, m->core->default_fragment_size_msec);
 621     pa_alsa_profile_set_dump(u->profile_set);
 622
 623     pa_card_new_data_init(&data);
 624     data.driver = __FILE__;
 625     data.module = m;
 626
 627     pa_alsa_init_proplist_card(m->core, data.proplist, u->alsa_card_index);
 628
 629     pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->device_id);
 630     pa_alsa_init_description(data.proplist);
 631     set_card_name(&data, ma, u->device_id);
 632
 633     /* We need to give pa_modargs_get_value_boolean() a pointer to a local
 634      * variable instead of using &data.namereg_fail directly, because
 635      * data.namereg_fail is a bitfield and taking the address of a bitfield
 636      * variable is impossible. */
 637     namereg_fail = data.namereg_fail;
 638     if (pa_modargs_get_value_boolean(ma, "namereg_fail", &namereg_fail) < 0) {
 639         pa_log("Failed to parse namereg_fail argument.");
 640         pa_card_new_data_done(&data);
 641         goto fail;
 642     }
 643     data.namereg_fail = namereg_fail;
 644
 645     if (reserve)
 646         if ((description = pa_proplist_gets(data.proplist, PA_PROP_DEVICE_DESCRIPTION)))
 647             pa_reserve_wrapper_set_application_device_name(reserve, description);
 648
 649     add_profiles(u, data.profiles, data.ports);
 650
 651     if (pa_hashmap_isempty(data.profiles)) {
 652         pa_log("Failed to find a working profile.");
 653         pa_card_new_data_done(&data);
 654         goto fail;
 655     }
 656
 657     add_disabled_profile(data.profiles);
 658
 659     if (pa_modargs_get_proplist(ma, "card_properties", data.proplist, PA_UPDATE_REPLACE) < 0) {
 660         pa_log("Invalid properties");
 661         pa_card_new_data_done(&data);
 662         goto fail;
 663     }
 664
 665     if ((profile = pa_modargs_get_value(ma, "profile", NULL)))
 666         pa_card_new_data_set_profile(&data, profile);
 667
 668     u->card = pa_card_new(m->core, &data);
 669     pa_card_new_data_done(&data);
 670
 671     if (!u->card)
 672         goto fail;
 673
 674     u->card->userdata = u;
 675     u->card->set_profile = card_set_profile;
 676
 677     init_profile(u);
 678     init_jacks(u);
 679
 680     if (reserve)
 681         pa_reserve_wrapper_unref(reserve);
 682
 683     if (!pa_hashmap_isempty(u->profile_set->decibel_fixes))
 684         pa_log_warn("Card %s uses decibel fixes (i.e. overrides the decibel information for some alsa volume elements). "
 685                     "Please note that this feature is meant just as a help for figuring out the correct decibel values. "
 686                     "PulseAudio is not the correct place to maintain the decibel mappings! The fixed decibel values "
 687                     "should be sent to ALSA developers so that they can fix the driver. If it turns out that this feature "
 688                     "is abused (i.e. fixes are not pushed to ALSA), the decibel fix feature may be removed in some future "
 689                     "PulseAudio version.", u->card->name);
 690
 691     return 0;
 692
 693 fail:
 694     if (reserve)
 695         pa_reserve_wrapper_unref(reserve);
 696
 697     pa__done(m);
 698
 699     return -1;
 700 }
 701
 702 int pa__get_n_used(pa_module *m) {
 703     struct userdata *u;
 704     int n = 0;
 705     uint32_t idx;
 706     pa_sink *sink;
 707     pa_source *source;
 708
 709     pa_assert(m);
 710     pa_assert_se(u = m->userdata);
 711     pa_assert(u->card);
 712
 713     PA_IDXSET_FOREACH(sink, u->card->sinks, idx)
 714         n += pa_sink_linked_by(sink);
 715
 716     PA_IDXSET_FOREACH(source, u->card->sources, idx)
 717         n += pa_source_linked_by(source);
 718
 719     return n;
 720 }
 721
 722 void pa__done(pa_module*m) {
 723     struct userdata *u;
 724
 725     pa_assert(m);
 726
 727     if (!(u = m->userdata))
 728         goto finish;
 729
 730     if (u->sink_input_put_hook_slot)
 731         pa_hook_slot_free(u->sink_input_put_hook_slot);
 732
 733     if (u->sink_input_unlink_hook_slot)
 734         pa_hook_slot_free(u->sink_input_unlink_hook_slot);
 735
 736     if (u->source_output_put_hook_slot)
 737         pa_hook_slot_free(u->source_output_put_hook_slot);
 738
 739     if (u->source_output_unlink_hook_slot)
 740         pa_hook_slot_free(u->source_output_unlink_hook_slot);
 741
 742     if (u->mixer_fdl)
 743         pa_alsa_fdlist_free(u->mixer_fdl);
 744     if (u->mixer_handle)
 745         snd_mixer_close(u->mixer_handle);
 746     if (u->jacks)
 747         pa_hashmap_free(u->jacks, NULL);
 748
 749     if (u->card && u->card->sinks) {
 750         pa_sink *s;
 751
 752         while ((s = pa_idxset_steal_first(u->card->sinks, NULL)))
 753             pa_alsa_sink_free(s);
 754     }
 755
 756     if (u->card && u->card->sources) {
 757         pa_source *s;
 758
 759         while ((s = pa_idxset_steal_first(u->card->sources, NULL)))
 760             pa_alsa_source_free(s);
 761     }
 762
 763     if (u->card)
 764         pa_card_free(u->card);
 765
 766     if (u->modargs)
 767         pa_modargs_free(u->modargs);
 768
 769     if (u->profile_set)
 770         pa_alsa_profile_set_free(u->profile_set);
 771
 772     pa_alsa_ucm_free(&u->ucm);
 773
 774     pa_xfree(u->device_id);
 775     pa_xfree(u);
 776
 777 finish:
 778     pa_alsa_refcnt_dec();
 779 }