hw/audio/hda-codec.c

   1 /*
   2  * Copyright (C) 2010 Red Hat, Inc.
   3  *
   4  * written by Gerd Hoffmann <kraxel@redhat.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 or
   9  * (at your option) version 3 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "hw/hw.h"
  21 #include "hw/pci/pci.h"
  22 #include "intel-hda.h"
  23 #include "intel-hda-defs.h"
  24 #include "audio/audio.h"
  25
  26 /* -------------------------------------------------------------------------- */
  27
  28 typedef struct desc_param {
  29     uint32_t id;
  30     uint32_t val;
  31 } desc_param;
  32
  33 typedef struct desc_node {
  34     uint32_t nid;
  35     const char *name;
  36     const desc_param *params;
  37     uint32_t nparams;
  38     uint32_t config;
  39     uint32_t pinctl;
  40     uint32_t *conn;
  41     uint32_t stindex;
  42 } desc_node;
  43
  44 typedef struct desc_codec {
  45     const char *name;
  46     uint32_t iid;
  47     const desc_node *nodes;
  48     uint32_t nnodes;
  49 } desc_codec;
  50
  51 static const desc_param* hda_codec_find_param(const desc_node *node, uint32_t id)
  52 {
  53     int i;
  54
  55     for (i = 0; i < node->nparams; i++) {
  56         if (node->params[i].id == id) {
  57             return &node->params[i];
  58         }
  59     }
  60     return NULL;
  61 }
  62
  63 static const desc_node* hda_codec_find_node(const desc_codec *codec, uint32_t nid)
  64 {
  65     int i;
  66
  67     for (i = 0; i < codec->nnodes; i++) {
  68         if (codec->nodes[i].nid == nid) {
  69             return &codec->nodes[i];
  70         }
  71     }
  72     return NULL;
  73 }
  74
  75 static void hda_codec_parse_fmt(uint32_t format, struct audsettings *as)
  76 {
  77     if (format & AC_FMT_TYPE_NON_PCM) {
  78         return;
  79     }
  80
  81     as->freq = (format & AC_FMT_BASE_44K) ? 44100 : 48000;
  82
  83     switch ((format & AC_FMT_MULT_MASK) >> AC_FMT_MULT_SHIFT) {
  84     case 1: as->freq *= 2; break;
  85     case 2: as->freq *= 3; break;
  86     case 3: as->freq *= 4; break;
  87     }
  88
  89     switch ((format & AC_FMT_DIV_MASK) >> AC_FMT_DIV_SHIFT) {
  90     case 1: as->freq /= 2; break;
  91     case 2: as->freq /= 3; break;
  92     case 3: as->freq /= 4; break;
  93     case 4: as->freq /= 5; break;
  94     case 5: as->freq /= 6; break;
  95     case 6: as->freq /= 7; break;
  96     case 7: as->freq /= 8; break;
  97     }
  98
  99     switch (format & AC_FMT_BITS_MASK) {
 100     case AC_FMT_BITS_8:  as->fmt = AUD_FMT_S8;  break;
 101     case AC_FMT_BITS_16: as->fmt = AUD_FMT_S16; break;
 102     case AC_FMT_BITS_32: as->fmt = AUD_FMT_S32; break;
 103     }
 104
 105     as->nchannels = ((format & AC_FMT_CHAN_MASK) >> AC_FMT_CHAN_SHIFT) + 1;
 106 }
 107
 108 /* -------------------------------------------------------------------------- */
 109 /*
 110  * HDA codec descriptions
 111  */
 112
 113 /* some defines */
 114
 115 #define QEMU_HDA_ID_VENDOR  0x1af4
 116 #define QEMU_HDA_PCM_FORMATS (AC_SUPPCM_BITS_16 |       \
 117                               0x1fc /* 16 -> 96 kHz */)
 118 #define QEMU_HDA_AMP_NONE    (0)
 119 #define QEMU_HDA_AMP_STEPS   0x4a
 120
 121 #define   PARAM mixemu
 122 #define   HDA_MIXER
 123 #include "hda-codec-common.h"
 124
 125 #define   PARAM nomixemu
 126 #include  "hda-codec-common.h"
 127
 128 /* -------------------------------------------------------------------------- */
 129
 130 static const char *fmt2name[] = {
 131     [ AUD_FMT_U8  ] = "PCM-U8",
 132     [ AUD_FMT_S8  ] = "PCM-S8",
 133     [ AUD_FMT_U16 ] = "PCM-U16",
 134     [ AUD_FMT_S16 ] = "PCM-S16",
 135     [ AUD_FMT_U32 ] = "PCM-U32",
 136     [ AUD_FMT_S32 ] = "PCM-S32",
 137 };
 138
 139 typedef struct HDAAudioState HDAAudioState;
 140 typedef struct HDAAudioStream HDAAudioStream;
 141
 142 struct HDAAudioStream {
 143     HDAAudioState *state;
 144     const desc_node *node;
 145     bool output, running;
 146     uint32_t stream;
 147     uint32_t channel;
 148     uint32_t format;
 149     uint32_t gain_left, gain_right;
 150     bool mute_left, mute_right;
 151     struct audsettings as;
 152     union {
 153         SWVoiceIn *in;
 154         SWVoiceOut *out;
 155     } voice;
 156     uint8_t buf[HDA_BUFFER_SIZE];
 157     uint32_t bpos;
 158 };
 159
 160 struct HDAAudioState {
 161     HDACodecDevice hda;
 162     const char *name;
 163
 164     QEMUSoundCard card;
 165     const desc_codec *desc;
 166     HDAAudioStream st[4];
 167     bool running_compat[16];
 168     bool running_real[2 * 16];
 169
 170     /* properties */
 171     uint32_t debug;
 172     bool     mixer;
 173 };
 174
 175 static void hda_audio_input_cb(void *opaque, int avail)
 176 {
 177     HDAAudioStream *st = opaque;
 178     int recv = 0;
 179     int len;
 180     bool rc;
 181
 182     while (avail - recv >= sizeof(st->buf)) {
 183         if (st->bpos != sizeof(st->buf)) {
 184             len = AUD_read(st->voice.in, st->buf + st->bpos,
 185                            sizeof(st->buf) - st->bpos);
 186             st->bpos += len;
 187             recv += len;
 188             if (st->bpos != sizeof(st->buf)) {
 189                 break;
 190             }
 191         }
 192         rc = hda_codec_xfer(&st->state->hda, st->stream, false,
 193                             st->buf, sizeof(st->buf));
 194         if (!rc) {
 195             break;
 196         }
 197         st->bpos = 0;
 198     }
 199 }
 200
 201 static void hda_audio_output_cb(void *opaque, int avail)
 202 {
 203     HDAAudioStream *st = opaque;
 204     int sent = 0;
 205     int len;
 206     bool rc;
 207
 208     while (avail - sent >= sizeof(st->buf)) {
 209         if (st->bpos == sizeof(st->buf)) {
 210             rc = hda_codec_xfer(&st->state->hda, st->stream, true,
 211                                 st->buf, sizeof(st->buf));
 212             if (!rc) {
 213                 break;
 214             }
 215             st->bpos = 0;
 216         }
 217         len = AUD_write(st->voice.out, st->buf + st->bpos,
 218                         sizeof(st->buf) - st->bpos);
 219         st->bpos += len;
 220         sent += len;
 221         if (st->bpos != sizeof(st->buf)) {
 222             break;
 223         }
 224     }
 225 }
 226
 227 static void hda_audio_set_running(HDAAudioStream *st, bool running)
 228 {
 229     if (st->node == NULL) {
 230         return;
 231     }
 232     if (st->running == running) {
 233         return;
 234     }
 235     st->running = running;
 236     dprint(st->state, 1, "%s: %s (stream %d)\n", st->node->name,
 237            st->running ? "on" : "off", st->stream);
 238     if (st->output) {
 239         AUD_set_active_out(st->voice.out, st->running);
 240     } else {
 241         AUD_set_active_in(st->voice.in, st->running);
 242     }
 243 }
 244
 245 static void hda_audio_set_amp(HDAAudioStream *st)
 246 {
 247     bool muted;
 248     uint32_t left, right;
 249
 250     if (st->node == NULL) {
 251         return;
 252     }
 253
 254     muted = st->mute_left && st->mute_right;
 255     left  = st->mute_left  ? 0 : st->gain_left;
 256     right = st->mute_right ? 0 : st->gain_right;
 257
 258     left = left * 255 / QEMU_HDA_AMP_STEPS;
 259     right = right * 255 / QEMU_HDA_AMP_STEPS;
 260
 261     if (st->output) {
 262         AUD_set_volume_out(st->voice.out, muted, left, right);
 263     } else {
 264         AUD_set_volume_in(st->voice.in, muted, left, right);
 265     }
 266 }
 267
 268 static void hda_audio_setup(HDAAudioStream *st)
 269 {
 270     if (st->node == NULL) {
 271         return;
 272     }
 273
 274     dprint(st->state, 1, "%s: format: %d x %s @ %d Hz\n",
 275            st->node->name, st->as.nchannels,
 276            fmt2name[st->as.fmt], st->as.freq);
 277
 278     if (st->output) {
 279         st->voice.out = AUD_open_out(&st->state->card, st->voice.out,
 280                                      st->node->name, st,
 281                                      hda_audio_output_cb, &st->as);
 282     } else {
 283         st->voice.in = AUD_open_in(&st->state->card, st->voice.in,
 284                                    st->node->name, st,
 285                                    hda_audio_input_cb, &st->as);
 286     }
 287 }
 288
 289 static void hda_audio_command(HDACodecDevice *hda, uint32_t nid, uint32_t data)
 290 {
 291     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 292     HDAAudioStream *st;
 293     const desc_node *node = NULL;
 294     const desc_param *param;
 295     uint32_t verb, payload, response, count, shift;
 296
 297     if ((data & 0x70000) == 0x70000) {
 298         /* 12/8 id/payload */
 299         verb = (data >> 8) & 0xfff;
 300         payload = data & 0x00ff;
 301     } else {
 302         /* 4/16 id/payload */
 303         verb = (data >> 8) & 0xf00;
 304         payload = data & 0xffff;
 305     }
 306
 307     node = hda_codec_find_node(a->desc, nid);
 308     if (node == NULL) {
 309         goto fail;
 310     }
 311     dprint(a, 2, "%s: nid %d (%s), verb 0x%x, payload 0x%x\n",
 312            __FUNCTION__, nid, node->name, verb, payload);
 313
 314     switch (verb) {
 315     /* all nodes */
 316     case AC_VERB_PARAMETERS:
 317         param = hda_codec_find_param(node, payload);
 318         if (param == NULL) {
 319             goto fail;
 320         }
 321         hda_codec_response(hda, true, param->val);
 322         break;
 323     case AC_VERB_GET_SUBSYSTEM_ID:
 324         hda_codec_response(hda, true, a->desc->iid);
 325         break;
 326
 327     /* all functions */
 328     case AC_VERB_GET_CONNECT_LIST:
 329         param = hda_codec_find_param(node, AC_PAR_CONNLIST_LEN);
 330         count = param ? param->val : 0;
 331         response = 0;
 332         shift = 0;
 333         while (payload < count && shift < 32) {
 334             response |= node->conn[payload] << shift;
 335             payload++;
 336             shift += 8;
 337         }
 338         hda_codec_response(hda, true, response);
 339         break;
 340
 341     /* pin widget */
 342     case AC_VERB_GET_CONFIG_DEFAULT:
 343         hda_codec_response(hda, true, node->config);
 344         break;
 345     case AC_VERB_GET_PIN_WIDGET_CONTROL:
 346         hda_codec_response(hda, true, node->pinctl);
 347         break;
 348     case AC_VERB_SET_PIN_WIDGET_CONTROL:
 349         if (node->pinctl != payload) {
 350             dprint(a, 1, "unhandled pin control bit\n");
 351         }
 352         hda_codec_response(hda, true, 0);
 353         break;
 354
 355     /* audio in/out widget */
 356     case AC_VERB_SET_CHANNEL_STREAMID:
 357         st = a->st + node->stindex;
 358         if (st->node == NULL) {
 359             goto fail;
 360         }
 361         hda_audio_set_running(st, false);
 362         st->stream = (payload >> 4) & 0x0f;
 363         st->channel = payload & 0x0f;
 364         dprint(a, 2, "%s: stream %d, channel %d\n",
 365                st->node->name, st->stream, st->channel);
 366         hda_audio_set_running(st, a->running_real[st->output * 16 + st->stream]);
 367         hda_codec_response(hda, true, 0);
 368         break;
 369     case AC_VERB_GET_CONV:
 370         st = a->st + node->stindex;
 371         if (st->node == NULL) {
 372             goto fail;
 373         }
 374         response = st->stream << 4 | st->channel;
 375         hda_codec_response(hda, true, response);
 376         break;
 377     case AC_VERB_SET_STREAM_FORMAT:
 378         st = a->st + node->stindex;
 379         if (st->node == NULL) {
 380             goto fail;
 381         }
 382         st->format = payload;
 383         hda_codec_parse_fmt(st->format, &st->as);
 384         hda_audio_setup(st);
 385         hda_codec_response(hda, true, 0);
 386         break;
 387     case AC_VERB_GET_STREAM_FORMAT:
 388         st = a->st + node->stindex;
 389         if (st->node == NULL) {
 390             goto fail;
 391         }
 392         hda_codec_response(hda, true, st->format);
 393         break;
 394     case AC_VERB_GET_AMP_GAIN_MUTE:
 395         st = a->st + node->stindex;
 396         if (st->node == NULL) {
 397             goto fail;
 398         }
 399         if (payload & AC_AMP_GET_LEFT) {
 400             response = st->gain_left | (st->mute_left ? AC_AMP_MUTE : 0);
 401         } else {
 402             response = st->gain_right | (st->mute_right ? AC_AMP_MUTE : 0);
 403         }
 404         hda_codec_response(hda, true, response);
 405         break;
 406     case AC_VERB_SET_AMP_GAIN_MUTE:
 407         st = a->st + node->stindex;
 408         if (st->node == NULL) {
 409             goto fail;
 410         }
 411         dprint(a, 1, "amp (%s): %s%s%s%s index %d  gain %3d %s\n",
 412                st->node->name,
 413                (payload & AC_AMP_SET_OUTPUT) ? "o" : "-",
 414                (payload & AC_AMP_SET_INPUT)  ? "i" : "-",
 415                (payload & AC_AMP_SET_LEFT)   ? "l" : "-",
 416                (payload & AC_AMP_SET_RIGHT)  ? "r" : "-",
 417                (payload & AC_AMP_SET_INDEX) >> AC_AMP_SET_INDEX_SHIFT,
 418                (payload & AC_AMP_GAIN),
 419                (payload & AC_AMP_MUTE) ? "muted" : "");
 420         if (payload & AC_AMP_SET_LEFT) {
 421             st->gain_left = payload & AC_AMP_GAIN;
 422             st->mute_left = payload & AC_AMP_MUTE;
 423         }
 424         if (payload & AC_AMP_SET_RIGHT) {
 425             st->gain_right = payload & AC_AMP_GAIN;
 426             st->mute_right = payload & AC_AMP_MUTE;
 427         }
 428         hda_audio_set_amp(st);
 429         hda_codec_response(hda, true, 0);
 430         break;
 431
 432     /* not supported */
 433     case AC_VERB_SET_POWER_STATE:
 434     case AC_VERB_GET_POWER_STATE:
 435     case AC_VERB_GET_SDI_SELECT:
 436         hda_codec_response(hda, true, 0);
 437         break;
 438     default:
 439         goto fail;
 440     }
 441     return;
 442
 443 fail:
 444     dprint(a, 1, "%s: not handled: nid %d (%s), verb 0x%x, payload 0x%x\n",
 445            __FUNCTION__, nid, node ? node->name : "?", verb, payload);
 446     hda_codec_response(hda, true, 0);
 447 }
 448
 449 static void hda_audio_stream(HDACodecDevice *hda, uint32_t stnr, bool running, bool output)
 450 {
 451     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 452     int s;
 453
 454     a->running_compat[stnr] = running;
 455     a->running_real[output * 16 + stnr] = running;
 456     for (s = 0; s < ARRAY_SIZE(a->st); s++) {
 457         if (a->st[s].node == NULL) {
 458             continue;
 459         }
 460         if (a->st[s].output != output) {
 461             continue;
 462         }
 463         if (a->st[s].stream != stnr) {
 464             continue;
 465         }
 466         hda_audio_set_running(&a->st[s], running);
 467     }
 468 }
 469
 470 static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
 471 {
 472     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 473     HDAAudioStream *st;
 474     const desc_node *node;
 475     const desc_param *param;
 476     uint32_t i, type;
 477
 478     a->desc = desc;
 479     a->name = object_get_typename(OBJECT(a));
 480     dprint(a, 1, "%s: cad %d\n", __FUNCTION__, a->hda.cad);
 481
 482     AUD_register_card("hda", &a->card);
 483     for (i = 0; i < a->desc->nnodes; i++) {
 484         node = a->desc->nodes + i;
 485         param = hda_codec_find_param(node, AC_PAR_AUDIO_WIDGET_CAP);
 486         if (NULL == param)
 487             continue;
 488         type = (param->val & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 489         switch (type) {
 490         case AC_WID_AUD_OUT:
 491         case AC_WID_AUD_IN:
 492             assert(node->stindex < ARRAY_SIZE(a->st));
 493             st = a->st + node->stindex;
 494             st->state = a;
 495             st->node = node;
 496             if (type == AC_WID_AUD_OUT) {
 497                 /* unmute output by default */
 498                 st->gain_left = QEMU_HDA_AMP_STEPS;
 499                 st->gain_right = QEMU_HDA_AMP_STEPS;
 500                 st->bpos = sizeof(st->buf);
 501                 st->output = true;
 502             } else {
 503                 st->output = false;
 504             }
 505             st->format = AC_FMT_TYPE_PCM | AC_FMT_BITS_16 |
 506                 (1 << AC_FMT_CHAN_SHIFT);
 507             hda_codec_parse_fmt(st->format, &st->as);
 508             hda_audio_setup(st);
 509             break;
 510         }
 511     }
 512     return 0;
 513 }
 514
 515 static int hda_audio_exit(HDACodecDevice *hda)
 516 {
 517     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 518     HDAAudioStream *st;
 519     int i;
 520
 521     dprint(a, 1, "%s\n", __FUNCTION__);
 522     for (i = 0; i < ARRAY_SIZE(a->st); i++) {
 523         st = a->st + i;
 524         if (st->node == NULL) {
 525             continue;
 526         }
 527         if (st->output) {
 528             AUD_close_out(&a->card, st->voice.out);
 529         } else {
 530             AUD_close_in(&a->card, st->voice.in);
 531         }
 532     }
 533     AUD_remove_card(&a->card);
 534     return 0;
 535 }
 536
 537 static int hda_audio_post_load(void *opaque, int version)
 538 {
 539     HDAAudioState *a = opaque;
 540     HDAAudioStream *st;
 541     int i;
 542
 543     dprint(a, 1, "%s\n", __FUNCTION__);
 544     if (version == 1) {
 545         /* assume running_compat[] is for output streams */
 546         for (i = 0; i < ARRAY_SIZE(a->running_compat); i++)
 547             a->running_real[16 + i] = a->running_compat[i];
 548     }
 549
 550     for (i = 0; i < ARRAY_SIZE(a->st); i++) {
 551         st = a->st + i;
 552         if (st->node == NULL)
 553             continue;
 554         hda_codec_parse_fmt(st->format, &st->as);
 555         hda_audio_setup(st);
 556         hda_audio_set_amp(st);
 557         hda_audio_set_running(st, a->running_real[st->output * 16 + st->stream]);
 558     }
 559     return 0;
 560 }
 561
 562 static const VMStateDescription vmstate_hda_audio_stream = {
 563     .name = "hda-audio-stream",
 564     .version_id = 1,
 565     .fields = (VMStateField []) {
 566         VMSTATE_UINT32(stream, HDAAudioStream),
 567         VMSTATE_UINT32(channel, HDAAudioStream),
 568         VMSTATE_UINT32(format, HDAAudioStream),
 569         VMSTATE_UINT32(gain_left, HDAAudioStream),
 570         VMSTATE_UINT32(gain_right, HDAAudioStream),
 571         VMSTATE_BOOL(mute_left, HDAAudioStream),
 572         VMSTATE_BOOL(mute_right, HDAAudioStream),
 573         VMSTATE_UINT32(bpos, HDAAudioStream),
 574         VMSTATE_BUFFER(buf, HDAAudioStream),
 575         VMSTATE_END_OF_LIST()
 576     }
 577 };
 578
 579 static const VMStateDescription vmstate_hda_audio = {
 580     .name = "hda-audio",
 581     .version_id = 2,
 582     .post_load = hda_audio_post_load,
 583     .fields = (VMStateField []) {
 584         VMSTATE_STRUCT_ARRAY(st, HDAAudioState, 4, 0,
 585                              vmstate_hda_audio_stream,
 586                              HDAAudioStream),
 587         VMSTATE_BOOL_ARRAY(running_compat, HDAAudioState, 16),
 588         VMSTATE_BOOL_ARRAY_V(running_real, HDAAudioState, 2 * 16, 2),
 589         VMSTATE_END_OF_LIST()
 590     }
 591 };
 592
 593 static Property hda_audio_properties[] = {
 594     DEFINE_PROP_UINT32("debug", HDAAudioState, debug,   0),
 595     DEFINE_PROP_BOOL("mixer", HDAAudioState, mixer,  true),
 596     DEFINE_PROP_END_OF_LIST(),
 597 };
 598
 599 static int hda_audio_init_output(HDACodecDevice *hda)
 600 {
 601     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 602
 603     if (!a->mixer) {
 604         return hda_audio_init(hda, &output_nomixemu);
 605     } else {
 606         return hda_audio_init(hda, &output_mixemu);
 607     }
 608 }
 609
 610 static int hda_audio_init_duplex(HDACodecDevice *hda)
 611 {
 612     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 613
 614     if (!a->mixer) {
 615         return hda_audio_init(hda, &duplex_nomixemu);
 616     } else {
 617         return hda_audio_init(hda, &duplex_mixemu);
 618     }
 619 }
 620
 621 static int hda_audio_init_micro(HDACodecDevice *hda)
 622 {
 623     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 624
 625     if (!a->mixer) {
 626         return hda_audio_init(hda, &micro_nomixemu);
 627     } else {
 628         return hda_audio_init(hda, &micro_mixemu);
 629     }
 630 }
 631
 632 static void hda_audio_output_class_init(ObjectClass *klass, void *data)
 633 {
 634     DeviceClass *dc = DEVICE_CLASS(klass);
 635     HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
 636
 637     k->init = hda_audio_init_output;
 638     k->exit = hda_audio_exit;
 639     k->command = hda_audio_command;
 640     k->stream = hda_audio_stream;
 641     set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
 642     dc->desc = "HDA Audio Codec, output-only (line-out)";
 643     dc->vmsd = &vmstate_hda_audio;
 644     dc->props = hda_audio_properties;
 645 }
 646
 647 static const TypeInfo hda_audio_output_info = {
 648     .name          = "hda-output",
 649     .parent        = TYPE_HDA_CODEC_DEVICE,
 650     .instance_size = sizeof(HDAAudioState),
 651     .class_init    = hda_audio_output_class_init,
 652 };
 653
 654 static void hda_audio_duplex_class_init(ObjectClass *klass, void *data)
 655 {
 656     DeviceClass *dc = DEVICE_CLASS(klass);
 657     HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
 658
 659     k->init = hda_audio_init_duplex;
 660     k->exit = hda_audio_exit;
 661     k->command = hda_audio_command;
 662     k->stream = hda_audio_stream;
 663     set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
 664     dc->desc = "HDA Audio Codec, duplex (line-out, line-in)";
 665     dc->vmsd = &vmstate_hda_audio;
 666     dc->props = hda_audio_properties;
 667 }
 668
 669 static const TypeInfo hda_audio_duplex_info = {
 670     .name          = "hda-duplex",
 671     .parent        = TYPE_HDA_CODEC_DEVICE,
 672     .instance_size = sizeof(HDAAudioState),
 673     .class_init    = hda_audio_duplex_class_init,
 674 };
 675
 676 static void hda_audio_micro_class_init(ObjectClass *klass, void *data)
 677 {
 678     DeviceClass *dc = DEVICE_CLASS(klass);
 679     HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
 680
 681     k->init = hda_audio_init_micro;
 682     k->exit = hda_audio_exit;
 683     k->command = hda_audio_command;
 684     k->stream = hda_audio_stream;
 685     set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
 686     dc->desc = "HDA Audio Codec, duplex (speaker, microphone)";
 687     dc->vmsd = &vmstate_hda_audio;
 688     dc->props = hda_audio_properties;
 689 }
 690
 691 static const TypeInfo hda_audio_micro_info = {
 692     .name          = "hda-micro",
 693     .parent        = TYPE_HDA_CODEC_DEVICE,
 694     .instance_size = sizeof(HDAAudioState),
 695     .class_init    = hda_audio_micro_class_init,
 696 };
 697
 698 static void hda_audio_register_types(void)
 699 {
 700     type_register_static(&hda_audio_output_info);
 701     type_register_static(&hda_audio_duplex_info);
 702     type_register_static(&hda_audio_micro_info);
 703 }
 704
 705 type_init(hda_audio_register_types)