hw/hda-audio.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.h"
  21 #include "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_ID_OUTPUT  ((QEMU_HDA_ID_VENDOR << 16) | 0x10)
 117 #define QEMU_HDA_ID_DUPLEX  ((QEMU_HDA_ID_VENDOR << 16) | 0x20)
 118
 119 #define QEMU_HDA_PCM_FORMATS (AC_SUPPCM_BITS_16 |       \
 120                               0x1fc /* 16 -> 96 kHz */)
 121 #define QEMU_HDA_AMP_NONE    (0)
 122 #define QEMU_HDA_AMP_STEPS   0x4a
 123
 124 #ifdef CONFIG_MIXEMU
 125 #define QEMU_HDA_AMP_CAPS                                               \
 126     (AC_AMPCAP_MUTE |                                                   \
 127      (QEMU_HDA_AMP_STEPS << AC_AMPCAP_OFFSET_SHIFT)    |                \
 128      (QEMU_HDA_AMP_STEPS << AC_AMPCAP_NUM_STEPS_SHIFT) |                \
 129      (3                  << AC_AMPCAP_STEP_SIZE_SHIFT))
 130 #else
 131 #define QEMU_HDA_AMP_CAPS    QEMU_HDA_AMP_NONE
 132 #endif
 133
 134 /* common: audio output widget */
 135 static const desc_param common_params_audio_dac[] = {
 136     {
 137         .id  = AC_PAR_AUDIO_WIDGET_CAP,
 138         .val = ((AC_WID_AUD_OUT << AC_WCAP_TYPE_SHIFT) |
 139                 AC_WCAP_FORMAT_OVRD |
 140                 AC_WCAP_AMP_OVRD |
 141                 AC_WCAP_OUT_AMP |
 142                 AC_WCAP_STEREO),
 143     },{
 144         .id  = AC_PAR_PCM,
 145         .val = QEMU_HDA_PCM_FORMATS,
 146     },{
 147         .id  = AC_PAR_STREAM,
 148         .val = AC_SUPFMT_PCM,
 149     },{
 150         .id  = AC_PAR_AMP_IN_CAP,
 151         .val = QEMU_HDA_AMP_NONE,
 152     },{
 153         .id  = AC_PAR_AMP_OUT_CAP,
 154         .val = QEMU_HDA_AMP_CAPS,
 155     },
 156 };
 157
 158 /* common: pin widget (line-out) */
 159 static const desc_param common_params_audio_lineout[] = {
 160     {
 161         .id  = AC_PAR_AUDIO_WIDGET_CAP,
 162         .val = ((AC_WID_PIN << AC_WCAP_TYPE_SHIFT) |
 163                 AC_WCAP_CONN_LIST |
 164                 AC_WCAP_STEREO),
 165     },{
 166         .id  = AC_PAR_PIN_CAP,
 167         .val = AC_PINCAP_OUT,
 168     },{
 169         .id  = AC_PAR_CONNLIST_LEN,
 170         .val = 1,
 171     },{
 172         .id  = AC_PAR_AMP_IN_CAP,
 173         .val = QEMU_HDA_AMP_NONE,
 174     },{
 175         .id  = AC_PAR_AMP_OUT_CAP,
 176         .val = QEMU_HDA_AMP_NONE,
 177     },
 178 };
 179
 180 /* output: root node */
 181 static const desc_param output_params_root[] = {
 182     {
 183         .id  = AC_PAR_VENDOR_ID,
 184         .val = QEMU_HDA_ID_OUTPUT,
 185     },{
 186         .id  = AC_PAR_SUBSYSTEM_ID,
 187         .val = QEMU_HDA_ID_OUTPUT,
 188     },{
 189         .id  = AC_PAR_REV_ID,
 190         .val = 0x00100101,
 191     },{
 192         .id  = AC_PAR_NODE_COUNT,
 193         .val = 0x00010001,
 194     },
 195 };
 196
 197 /* output: audio function */
 198 static const desc_param output_params_audio_func[] = {
 199     {
 200         .id  = AC_PAR_FUNCTION_TYPE,
 201         .val = AC_GRP_AUDIO_FUNCTION,
 202     },{
 203         .id  = AC_PAR_SUBSYSTEM_ID,
 204         .val = QEMU_HDA_ID_OUTPUT,
 205     },{
 206         .id  = AC_PAR_NODE_COUNT,
 207         .val = 0x00020002,
 208     },{
 209         .id  = AC_PAR_PCM,
 210         .val = QEMU_HDA_PCM_FORMATS,
 211     },{
 212         .id  = AC_PAR_STREAM,
 213         .val = AC_SUPFMT_PCM,
 214     },{
 215         .id  = AC_PAR_AMP_IN_CAP,
 216         .val = QEMU_HDA_AMP_NONE,
 217     },{
 218         .id  = AC_PAR_AMP_OUT_CAP,
 219         .val = QEMU_HDA_AMP_NONE,
 220     },{
 221         .id  = AC_PAR_GPIO_CAP,
 222         .val = 0,
 223     },{
 224         .id  = AC_PAR_AUDIO_FG_CAP,
 225         .val = 0x00000808,
 226     },{
 227         .id  = AC_PAR_POWER_STATE,
 228         .val = 0,
 229     },
 230 };
 231
 232 /* output: nodes */
 233 static const desc_node output_nodes[] = {
 234     {
 235         .nid     = AC_NODE_ROOT,
 236         .name    = "root",
 237         .params  = output_params_root,
 238         .nparams = ARRAY_SIZE(output_params_root),
 239     },{
 240         .nid     = 1,
 241         .name    = "func",
 242         .params  = output_params_audio_func,
 243         .nparams = ARRAY_SIZE(output_params_audio_func),
 244     },{
 245         .nid     = 2,
 246         .name    = "dac",
 247         .params  = common_params_audio_dac,
 248         .nparams = ARRAY_SIZE(common_params_audio_dac),
 249         .stindex = 0,
 250     },{
 251         .nid     = 3,
 252         .name    = "out",
 253         .params  = common_params_audio_lineout,
 254         .nparams = ARRAY_SIZE(common_params_audio_lineout),
 255         .config  = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
 256                     (AC_JACK_LINE_OUT     << AC_DEFCFG_DEVICE_SHIFT)    |
 257                     (AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
 258                     (AC_JACK_COLOR_GREEN  << AC_DEFCFG_COLOR_SHIFT)     |
 259                     0x10),
 260         .pinctl  = AC_PINCTL_OUT_EN,
 261         .conn    = (uint32_t[]) { 2 },
 262     }
 263 };
 264
 265 /* output: codec */
 266 static const desc_codec output = {
 267     .name   = "output",
 268     .iid    = QEMU_HDA_ID_OUTPUT,
 269     .nodes  = output_nodes,
 270     .nnodes = ARRAY_SIZE(output_nodes),
 271 };
 272
 273 /* duplex: root node */
 274 static const desc_param duplex_params_root[] = {
 275     {
 276         .id  = AC_PAR_VENDOR_ID,
 277         .val = QEMU_HDA_ID_DUPLEX,
 278     },{
 279         .id  = AC_PAR_SUBSYSTEM_ID,
 280         .val = QEMU_HDA_ID_DUPLEX,
 281     },{
 282         .id  = AC_PAR_REV_ID,
 283         .val = 0x00100101,
 284     },{
 285         .id  = AC_PAR_NODE_COUNT,
 286         .val = 0x00010001,
 287     },
 288 };
 289
 290 /* duplex: audio input widget */
 291 static const desc_param duplex_params_audio_adc[] = {
 292     {
 293         .id  = AC_PAR_AUDIO_WIDGET_CAP,
 294         .val = ((AC_WID_AUD_IN << AC_WCAP_TYPE_SHIFT) |
 295                 AC_WCAP_CONN_LIST |
 296                 AC_WCAP_FORMAT_OVRD |
 297                 AC_WCAP_AMP_OVRD |
 298                 AC_WCAP_IN_AMP |
 299                 AC_WCAP_STEREO),
 300     },{
 301         .id  = AC_PAR_CONNLIST_LEN,
 302         .val = 1,
 303     },{
 304         .id  = AC_PAR_PCM,
 305         .val = QEMU_HDA_PCM_FORMATS,
 306     },{
 307         .id  = AC_PAR_STREAM,
 308         .val = AC_SUPFMT_PCM,
 309     },{
 310         .id  = AC_PAR_AMP_IN_CAP,
 311         .val = QEMU_HDA_AMP_CAPS,
 312     },{
 313         .id  = AC_PAR_AMP_OUT_CAP,
 314         .val = QEMU_HDA_AMP_NONE,
 315     },
 316 };
 317
 318 /* duplex: pin widget (line-in) */
 319 static const desc_param duplex_params_audio_linein[] = {
 320     {
 321         .id  = AC_PAR_AUDIO_WIDGET_CAP,
 322         .val = ((AC_WID_PIN << AC_WCAP_TYPE_SHIFT) |
 323                 AC_WCAP_STEREO),
 324     },{
 325         .id  = AC_PAR_PIN_CAP,
 326         .val = AC_PINCAP_IN,
 327     },{
 328         .id  = AC_PAR_AMP_IN_CAP,
 329         .val = QEMU_HDA_AMP_NONE,
 330     },{
 331         .id  = AC_PAR_AMP_OUT_CAP,
 332         .val = QEMU_HDA_AMP_NONE,
 333     },
 334 };
 335
 336 /* duplex: audio function */
 337 static const desc_param duplex_params_audio_func[] = {
 338     {
 339         .id  = AC_PAR_FUNCTION_TYPE,
 340         .val = AC_GRP_AUDIO_FUNCTION,
 341     },{
 342         .id  = AC_PAR_SUBSYSTEM_ID,
 343         .val = QEMU_HDA_ID_DUPLEX,
 344     },{
 345         .id  = AC_PAR_NODE_COUNT,
 346         .val = 0x00020004,
 347     },{
 348         .id  = AC_PAR_PCM,
 349         .val = QEMU_HDA_PCM_FORMATS,
 350     },{
 351         .id  = AC_PAR_STREAM,
 352         .val = AC_SUPFMT_PCM,
 353     },{
 354         .id  = AC_PAR_AMP_IN_CAP,
 355         .val = QEMU_HDA_AMP_NONE,
 356     },{
 357         .id  = AC_PAR_AMP_OUT_CAP,
 358         .val = QEMU_HDA_AMP_NONE,
 359     },{
 360         .id  = AC_PAR_GPIO_CAP,
 361         .val = 0,
 362     },{
 363         .id  = AC_PAR_AUDIO_FG_CAP,
 364         .val = 0x00000808,
 365     },{
 366         .id  = AC_PAR_POWER_STATE,
 367         .val = 0,
 368     },
 369 };
 370
 371 /* duplex: nodes */
 372 static const desc_node duplex_nodes[] = {
 373     {
 374         .nid     = AC_NODE_ROOT,
 375         .name    = "root",
 376         .params  = duplex_params_root,
 377         .nparams = ARRAY_SIZE(duplex_params_root),
 378     },{
 379         .nid     = 1,
 380         .name    = "func",
 381         .params  = duplex_params_audio_func,
 382         .nparams = ARRAY_SIZE(duplex_params_audio_func),
 383     },{
 384         .nid     = 2,
 385         .name    = "dac",
 386         .params  = common_params_audio_dac,
 387         .nparams = ARRAY_SIZE(common_params_audio_dac),
 388         .stindex = 0,
 389     },{
 390         .nid     = 3,
 391         .name    = "out",
 392         .params  = common_params_audio_lineout,
 393         .nparams = ARRAY_SIZE(common_params_audio_lineout),
 394         .config  = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
 395                     (AC_JACK_LINE_OUT     << AC_DEFCFG_DEVICE_SHIFT)    |
 396                     (AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
 397                     (AC_JACK_COLOR_GREEN  << AC_DEFCFG_COLOR_SHIFT)     |
 398                     0x10),
 399         .pinctl  = AC_PINCTL_OUT_EN,
 400         .conn    = (uint32_t[]) { 2 },
 401     },{
 402         .nid     = 4,
 403         .name    = "adc",
 404         .params  = duplex_params_audio_adc,
 405         .nparams = ARRAY_SIZE(duplex_params_audio_adc),
 406         .stindex = 1,
 407         .conn    = (uint32_t[]) { 5 },
 408     },{
 409         .nid     = 5,
 410         .name    = "in",
 411         .params  = duplex_params_audio_linein,
 412         .nparams = ARRAY_SIZE(duplex_params_audio_linein),
 413         .config  = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
 414                     (AC_JACK_LINE_IN      << AC_DEFCFG_DEVICE_SHIFT)    |
 415                     (AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
 416                     (AC_JACK_COLOR_RED    << AC_DEFCFG_COLOR_SHIFT)     |
 417                     0x20),
 418         .pinctl  = AC_PINCTL_IN_EN,
 419     }
 420 };
 421
 422 /* duplex: codec */
 423 static const desc_codec duplex = {
 424     .name   = "duplex",
 425     .iid    = QEMU_HDA_ID_DUPLEX,
 426     .nodes  = duplex_nodes,
 427     .nnodes = ARRAY_SIZE(duplex_nodes),
 428 };
 429
 430 /* -------------------------------------------------------------------------- */
 431
 432 static const char *fmt2name[] = {
 433     [ AUD_FMT_U8  ] = "PCM-U8",
 434     [ AUD_FMT_S8  ] = "PCM-S8",
 435     [ AUD_FMT_U16 ] = "PCM-U16",
 436     [ AUD_FMT_S16 ] = "PCM-S16",
 437     [ AUD_FMT_U32 ] = "PCM-U32",
 438     [ AUD_FMT_S32 ] = "PCM-S32",
 439 };
 440
 441 typedef struct HDAAudioState HDAAudioState;
 442 typedef struct HDAAudioStream HDAAudioStream;
 443
 444 struct HDAAudioStream {
 445     HDAAudioState *state;
 446     const desc_node *node;
 447     bool output, running;
 448     uint32_t stream;
 449     uint32_t channel;
 450     uint32_t format;
 451     uint32_t gain_left, gain_right;
 452     bool mute_left, mute_right;
 453     struct audsettings as;
 454     union {
 455         SWVoiceIn *in;
 456         SWVoiceOut *out;
 457     } voice;
 458     uint8_t buf[HDA_BUFFER_SIZE];
 459     uint32_t bpos;
 460 };
 461
 462 struct HDAAudioState {
 463     HDACodecDevice hda;
 464     const char *name;
 465
 466     QEMUSoundCard card;
 467     const desc_codec *desc;
 468     HDAAudioStream st[4];
 469     bool running[16];
 470
 471     /* properties */
 472     uint32_t debug;
 473 };
 474
 475 static void hda_audio_input_cb(void *opaque, int avail)
 476 {
 477     HDAAudioStream *st = opaque;
 478     int recv = 0;
 479     int len;
 480     bool rc;
 481
 482     while (avail - recv >= sizeof(st->buf)) {
 483         if (st->bpos != sizeof(st->buf)) {
 484             len = AUD_read(st->voice.in, st->buf + st->bpos,
 485                            sizeof(st->buf) - st->bpos);
 486             st->bpos += len;
 487             recv += len;
 488             if (st->bpos != sizeof(st->buf)) {
 489                 break;
 490             }
 491         }
 492         rc = hda_codec_xfer(&st->state->hda, st->stream, false,
 493                             st->buf, sizeof(st->buf));
 494         if (!rc) {
 495             break;
 496         }
 497         st->bpos = 0;
 498     }
 499 }
 500
 501 static void hda_audio_output_cb(void *opaque, int avail)
 502 {
 503     HDAAudioStream *st = opaque;
 504     int sent = 0;
 505     int len;
 506     bool rc;
 507
 508     while (avail - sent >= sizeof(st->buf)) {
 509         if (st->bpos == sizeof(st->buf)) {
 510             rc = hda_codec_xfer(&st->state->hda, st->stream, true,
 511                                 st->buf, sizeof(st->buf));
 512             if (!rc) {
 513                 break;
 514             }
 515             st->bpos = 0;
 516         }
 517         len = AUD_write(st->voice.out, st->buf + st->bpos,
 518                         sizeof(st->buf) - st->bpos);
 519         st->bpos += len;
 520         sent += len;
 521         if (st->bpos != sizeof(st->buf)) {
 522             break;
 523         }
 524     }
 525 }
 526
 527 static void hda_audio_set_running(HDAAudioStream *st, bool running)
 528 {
 529     if (st->node == NULL) {
 530         return;
 531     }
 532     if (st->running == running) {
 533         return;
 534     }
 535     st->running = running;
 536     dprint(st->state, 1, "%s: %s (stream %d)\n", st->node->name,
 537            st->running ? "on" : "off", st->stream);
 538     if (st->output) {
 539         AUD_set_active_out(st->voice.out, st->running);
 540     } else {
 541         AUD_set_active_in(st->voice.in, st->running);
 542     }
 543 }
 544
 545 static void hda_audio_set_amp(HDAAudioStream *st)
 546 {
 547     bool muted;
 548     uint32_t left, right;
 549
 550     if (st->node == NULL) {
 551         return;
 552     }
 553
 554     muted = st->mute_left && st->mute_right;
 555     left  = st->mute_left  ? 0 : st->gain_left;
 556     right = st->mute_right ? 0 : st->gain_right;
 557
 558     left = left * 255 / QEMU_HDA_AMP_STEPS;
 559     right = right * 255 / QEMU_HDA_AMP_STEPS;
 560
 561     if (st->output) {
 562         AUD_set_volume_out(st->voice.out, muted, left, right);
 563     } else {
 564         AUD_set_volume_in(st->voice.in, muted, left, right);
 565     }
 566 }
 567
 568 static void hda_audio_setup(HDAAudioStream *st)
 569 {
 570     if (st->node == NULL) {
 571         return;
 572     }
 573
 574     dprint(st->state, 1, "%s: format: %d x %s @ %d Hz\n",
 575            st->node->name, st->as.nchannels,
 576            fmt2name[st->as.fmt], st->as.freq);
 577
 578     if (st->output) {
 579         st->voice.out = AUD_open_out(&st->state->card, st->voice.out,
 580                                      st->node->name, st,
 581                                      hda_audio_output_cb, &st->as);
 582     } else {
 583         st->voice.in = AUD_open_in(&st->state->card, st->voice.in,
 584                                    st->node->name, st,
 585                                    hda_audio_input_cb, &st->as);
 586     }
 587 }
 588
 589 static void hda_audio_command(HDACodecDevice *hda, uint32_t nid, uint32_t data)
 590 {
 591     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 592     HDAAudioStream *st;
 593     const desc_node *node = NULL;
 594     const desc_param *param;
 595     uint32_t verb, payload, response, count, shift;
 596
 597     if ((data & 0x70000) == 0x70000) {
 598         /* 12/8 id/payload */
 599         verb = (data >> 8) & 0xfff;
 600         payload = data & 0x00ff;
 601     } else {
 602         /* 4/16 id/payload */
 603         verb = (data >> 8) & 0xf00;
 604         payload = data & 0xffff;
 605     }
 606
 607     node = hda_codec_find_node(a->desc, nid);
 608     if (node == NULL) {
 609         goto fail;
 610     }
 611     dprint(a, 2, "%s: nid %d (%s), verb 0x%x, payload 0x%x\n",
 612            __FUNCTION__, nid, node->name, verb, payload);
 613
 614     switch (verb) {
 615     /* all nodes */
 616     case AC_VERB_PARAMETERS:
 617         param = hda_codec_find_param(node, payload);
 618         if (param == NULL) {
 619             goto fail;
 620         }
 621         hda_codec_response(hda, true, param->val);
 622         break;
 623     case AC_VERB_GET_SUBSYSTEM_ID:
 624         hda_codec_response(hda, true, a->desc->iid);
 625         break;
 626
 627     /* all functions */
 628     case AC_VERB_GET_CONNECT_LIST:
 629         param = hda_codec_find_param(node, AC_PAR_CONNLIST_LEN);
 630         count = param ? param->val : 0;
 631         response = 0;
 632         shift = 0;
 633         while (payload < count && shift < 32) {
 634             response |= node->conn[payload] << shift;
 635             payload++;
 636             shift += 8;
 637         }
 638         hda_codec_response(hda, true, response);
 639         break;
 640
 641     /* pin widget */
 642     case AC_VERB_GET_CONFIG_DEFAULT:
 643         hda_codec_response(hda, true, node->config);
 644         break;
 645     case AC_VERB_GET_PIN_WIDGET_CONTROL:
 646         hda_codec_response(hda, true, node->pinctl);
 647         break;
 648     case AC_VERB_SET_PIN_WIDGET_CONTROL:
 649         if (node->pinctl != payload) {
 650             dprint(a, 1, "unhandled pin control bit\n");
 651         }
 652         hda_codec_response(hda, true, 0);
 653         break;
 654
 655     /* audio in/out widget */
 656     case AC_VERB_SET_CHANNEL_STREAMID:
 657         st = a->st + node->stindex;
 658         if (st->node == NULL) {
 659             goto fail;
 660         }
 661         hda_audio_set_running(st, false);
 662         st->stream = (payload >> 4) & 0x0f;
 663         st->channel = payload & 0x0f;
 664         dprint(a, 2, "%s: stream %d, channel %d\n",
 665                st->node->name, st->stream, st->channel);
 666         hda_audio_set_running(st, a->running[st->stream]);
 667         hda_codec_response(hda, true, 0);
 668         break;
 669     case AC_VERB_GET_CONV:
 670         st = a->st + node->stindex;
 671         if (st->node == NULL) {
 672             goto fail;
 673         }
 674         response = st->stream << 4 | st->channel;
 675         hda_codec_response(hda, true, response);
 676         break;
 677     case AC_VERB_SET_STREAM_FORMAT:
 678         st = a->st + node->stindex;
 679         if (st->node == NULL) {
 680             goto fail;
 681         }
 682         st->format = payload;
 683         hda_codec_parse_fmt(st->format, &st->as);
 684         hda_audio_setup(st);
 685         hda_codec_response(hda, true, 0);
 686         break;
 687     case AC_VERB_GET_STREAM_FORMAT:
 688         st = a->st + node->stindex;
 689         if (st->node == NULL) {
 690             goto fail;
 691         }
 692         hda_codec_response(hda, true, st->format);
 693         break;
 694     case AC_VERB_GET_AMP_GAIN_MUTE:
 695         st = a->st + node->stindex;
 696         if (st->node == NULL) {
 697             goto fail;
 698         }
 699         if (payload & AC_AMP_GET_LEFT) {
 700             response = st->gain_left | (st->mute_left ? AC_AMP_MUTE : 0);
 701         } else {
 702             response = st->gain_right | (st->mute_right ? AC_AMP_MUTE : 0);
 703         }
 704         hda_codec_response(hda, true, response);
 705         break;
 706     case AC_VERB_SET_AMP_GAIN_MUTE:
 707         st = a->st + node->stindex;
 708         if (st->node == NULL) {
 709             goto fail;
 710         }
 711         dprint(a, 1, "amp (%s): %s%s%s%s index %d  gain %3d %s\n",
 712                st->node->name,
 713                (payload & AC_AMP_SET_OUTPUT) ? "o" : "-",
 714                (payload & AC_AMP_SET_INPUT)  ? "i" : "-",
 715                (payload & AC_AMP_SET_LEFT)   ? "l" : "-",
 716                (payload & AC_AMP_SET_RIGHT)  ? "r" : "-",
 717                (payload & AC_AMP_SET_INDEX) >> AC_AMP_SET_INDEX_SHIFT,
 718                (payload & AC_AMP_GAIN),
 719                (payload & AC_AMP_MUTE) ? "muted" : "");
 720         if (payload & AC_AMP_SET_LEFT) {
 721             st->gain_left = payload & AC_AMP_GAIN;
 722             st->mute_left = payload & AC_AMP_MUTE;
 723         }
 724         if (payload & AC_AMP_SET_RIGHT) {
 725             st->gain_right = payload & AC_AMP_GAIN;
 726             st->mute_right = payload & AC_AMP_MUTE;
 727         }
 728         hda_audio_set_amp(st);
 729         hda_codec_response(hda, true, 0);
 730         break;
 731
 732     /* not supported */
 733     case AC_VERB_SET_POWER_STATE:
 734     case AC_VERB_GET_POWER_STATE:
 735     case AC_VERB_GET_SDI_SELECT:
 736         hda_codec_response(hda, true, 0);
 737         break;
 738     default:
 739         goto fail;
 740     }
 741     return;
 742
 743 fail:
 744     dprint(a, 1, "%s: not handled: nid %d (%s), verb 0x%x, payload 0x%x\n",
 745            __FUNCTION__, nid, node ? node->name : "?", verb, payload);
 746     hda_codec_response(hda, true, 0);
 747 }
 748
 749 static void hda_audio_stream(HDACodecDevice *hda, uint32_t stnr, bool running)
 750 {
 751     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 752     int s;
 753
 754     a->running[stnr] = running;
 755     for (s = 0; s < ARRAY_SIZE(a->st); s++) {
 756         if (a->st[s].node == NULL) {
 757             continue;
 758         }
 759         if (a->st[s].stream != stnr) {
 760             continue;
 761         }
 762         hda_audio_set_running(&a->st[s], running);
 763     }
 764 }
 765
 766 static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
 767 {
 768     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 769     HDAAudioStream *st;
 770     const desc_node *node;
 771     const desc_param *param;
 772     uint32_t i, type;
 773
 774     a->desc = desc;
 775     a->name = a->hda.qdev.info->name;
 776     dprint(a, 1, "%s: cad %d\n", __FUNCTION__, a->hda.cad);
 777
 778     AUD_register_card("hda", &a->card);
 779     for (i = 0; i < a->desc->nnodes; i++) {
 780         node = a->desc->nodes + i;
 781         param = hda_codec_find_param(node, AC_PAR_AUDIO_WIDGET_CAP);
 782         if (NULL == param)
 783             continue;
 784         type = (param->val & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 785         switch (type) {
 786         case AC_WID_AUD_OUT:
 787         case AC_WID_AUD_IN:
 788             assert(node->stindex < ARRAY_SIZE(a->st));
 789             st = a->st + node->stindex;
 790             st->state = a;
 791             st->node = node;
 792             if (type == AC_WID_AUD_OUT) {
 793                 /* unmute output by default */
 794                 st->gain_left = QEMU_HDA_AMP_STEPS;
 795                 st->gain_right = QEMU_HDA_AMP_STEPS;
 796                 st->bpos = sizeof(st->buf);
 797                 st->output = true;
 798             } else {
 799                 st->output = false;
 800             }
 801             st->format = AC_FMT_TYPE_PCM | AC_FMT_BITS_16 |
 802                 (1 << AC_FMT_CHAN_SHIFT);
 803             hda_codec_parse_fmt(st->format, &st->as);
 804             hda_audio_setup(st);
 805             break;
 806         }
 807     }
 808     return 0;
 809 }
 810
 811 static int hda_audio_exit(HDACodecDevice *hda)
 812 {
 813     HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
 814     HDAAudioStream *st;
 815     int i;
 816
 817     dprint(a, 1, "%s\n", __FUNCTION__);
 818     for (i = 0; i < ARRAY_SIZE(a->st); i++) {
 819         st = a->st + i;
 820         if (st->node == NULL) {
 821             continue;
 822         }
 823         if (st->output) {
 824             AUD_close_out(&a->card, st->voice.out);
 825         } else {
 826             AUD_close_in(&a->card, st->voice.in);
 827         }
 828     }
 829     AUD_remove_card(&a->card);
 830     return 0;
 831 }
 832
 833 static int hda_audio_post_load(void *opaque, int version)
 834 {
 835     HDAAudioState *a = opaque;
 836     HDAAudioStream *st;
 837     int i;
 838
 839     dprint(a, 1, "%s\n", __FUNCTION__);
 840     for (i = 0; i < ARRAY_SIZE(a->st); i++) {
 841         st = a->st + i;
 842         if (st->node == NULL)
 843             continue;
 844         hda_codec_parse_fmt(st->format, &st->as);
 845         hda_audio_setup(st);
 846         hda_audio_set_amp(st);
 847         hda_audio_set_running(st, a->running[st->stream]);
 848     }
 849     return 0;
 850 }
 851
 852 static const VMStateDescription vmstate_hda_audio_stream = {
 853     .name = "hda-audio-stream",
 854     .version_id = 1,
 855     .fields = (VMStateField []) {
 856         VMSTATE_UINT32(stream, HDAAudioStream),
 857         VMSTATE_UINT32(channel, HDAAudioStream),
 858         VMSTATE_UINT32(format, HDAAudioStream),
 859         VMSTATE_UINT32(gain_left, HDAAudioStream),
 860         VMSTATE_UINT32(gain_right, HDAAudioStream),
 861         VMSTATE_BOOL(mute_left, HDAAudioStream),
 862         VMSTATE_BOOL(mute_right, HDAAudioStream),
 863         VMSTATE_UINT32(bpos, HDAAudioStream),
 864         VMSTATE_BUFFER(buf, HDAAudioStream),
 865         VMSTATE_END_OF_LIST()
 866     }
 867 };
 868
 869 static const VMStateDescription vmstate_hda_audio = {
 870     .name = "hda-audio",
 871     .version_id = 1,
 872     .post_load = hda_audio_post_load,
 873     .fields = (VMStateField []) {
 874         VMSTATE_STRUCT_ARRAY(st, HDAAudioState, 4, 0,
 875                              vmstate_hda_audio_stream,
 876                              HDAAudioStream),
 877         VMSTATE_BOOL_ARRAY(running, HDAAudioState, 16),
 878         VMSTATE_END_OF_LIST()
 879     }
 880 };
 881
 882 static Property hda_audio_properties[] = {
 883     DEFINE_PROP_UINT32("debug", HDAAudioState, debug, 0),
 884     DEFINE_PROP_END_OF_LIST(),
 885 };
 886
 887 static int hda_audio_init_output(HDACodecDevice *hda)
 888 {
 889     return hda_audio_init(hda, &output);
 890 }
 891
 892 static int hda_audio_init_duplex(HDACodecDevice *hda)
 893 {
 894     return hda_audio_init(hda, &duplex);
 895 }
 896
 897 static HDACodecDeviceInfo hda_audio_info_output = {
 898     .qdev.name    = "hda-output",
 899     .qdev.desc    = "HDA Audio Codec, output-only",
 900     .qdev.size    = sizeof(HDAAudioState),
 901     .qdev.vmsd    = &vmstate_hda_audio,
 902     .qdev.props   = hda_audio_properties,
 903     .init         = hda_audio_init_output,
 904     .exit         = hda_audio_exit,
 905     .command      = hda_audio_command,
 906     .stream       = hda_audio_stream,
 907 };
 908
 909 static HDACodecDeviceInfo hda_audio_info_duplex = {
 910     .qdev.name    = "hda-duplex",
 911     .qdev.desc    = "HDA Audio Codec, duplex",
 912     .qdev.size    = sizeof(HDAAudioState),
 913     .qdev.vmsd    = &vmstate_hda_audio,
 914     .qdev.props   = hda_audio_properties,
 915     .init         = hda_audio_init_duplex,
 916     .exit         = hda_audio_exit,
 917     .command      = hda_audio_command,
 918     .stream       = hda_audio_stream,
 919 };
 920
 921 static void hda_audio_register(void)
 922 {
 923     hda_codec_register(&hda_audio_info_output);
 924     hda_codec_register(&hda_audio_info_duplex);
 925 }
 926 device_init(hda_audio_register);