usr/src/cmd/bhyve/hda_codec.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   3  *
   4  * Copyright (c) 2016 Alex Teaca <iateaca@FreeBSD.org>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __FBSDID("$FreeBSD$");
  32
  33 #include <pthread.h>
  34 #include <pthread_np.h>
  35 #include <unistd.h>
  36
  37 #include "pci_hda.h"
  38 #include "audio.h"
  39
  40 /*
  41  * HDA Codec defines
  42  */
  43 #define INTEL_VENDORID                          0x8086
  44
  45 #define HDA_CODEC_SUBSYSTEM_ID                  ((INTEL_VENDORID << 16) | 0x01)
  46 #define HDA_CODEC_ROOT_NID                      0x00
  47 #define HDA_CODEC_FG_NID                        0x01
  48 #define HDA_CODEC_AUDIO_OUTPUT_NID              0x02
  49 #define HDA_CODEC_PIN_OUTPUT_NID                0x03
  50 #define HDA_CODEC_AUDIO_INPUT_NID               0x04
  51 #define HDA_CODEC_PIN_INPUT_NID                 0x05
  52
  53 #define HDA_CODEC_STREAMS_COUNT                 0x02
  54 #define HDA_CODEC_STREAM_OUTPUT                 0x00
  55 #define HDA_CODEC_STREAM_INPUT                  0x01
  56
  57 #define HDA_CODEC_PARAMS_COUNT                  0x14
  58 #define HDA_CODEC_CONN_LIST_COUNT               0x01
  59 #define HDA_CODEC_RESPONSE_EX_UNSOL             0x10
  60 #define HDA_CODEC_RESPONSE_EX_SOL               0x00
  61 #define HDA_CODEC_AMP_NUMSTEPS                  0x4a
  62
  63 #define HDA_CODEC_SUPP_STREAM_FORMATS_PCM                               \
  64         (1 << HDA_PARAM_SUPP_STREAM_FORMATS_PCM_SHIFT)
  65
  66 #define HDA_CODEC_FMT_BASE_MASK                 (0x01 << 14)
  67
  68 #define HDA_CODEC_FMT_MULT_MASK                 (0x07 << 11)
  69 #define HDA_CODEC_FMT_MULT_2                    (0x01 << 11)
  70 #define HDA_CODEC_FMT_MULT_3                    (0x02 << 11)
  71 #define HDA_CODEC_FMT_MULT_4                    (0x03 << 11)
  72
  73 #define HDA_CODEC_FMT_DIV_MASK                  0x07
  74 #define HDA_CODEC_FMT_DIV_SHIFT                 8
  75
  76 #define HDA_CODEC_FMT_BITS_MASK                 (0x07 << 4)
  77 #define HDA_CODEC_FMT_BITS_8                    (0x00 << 4)
  78 #define HDA_CODEC_FMT_BITS_16                   (0x01 << 4)
  79 #define HDA_CODEC_FMT_BITS_24                   (0x03 << 4)
  80 #define HDA_CODEC_FMT_BITS_32                   (0x04 << 4)
  81
  82 #define HDA_CODEC_FMT_CHAN_MASK                 (0x0f << 0)
  83
  84 #define HDA_CODEC_AUDIO_WCAP_OUTPUT                                     \
  85         (0x00 << HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_SHIFT)
  86 #define HDA_CODEC_AUDIO_WCAP_INPUT                                      \
  87         (0x01 << HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_SHIFT)
  88 #define HDA_CODEC_AUDIO_WCAP_PIN                                        \
  89         (0x04 << HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_SHIFT)
  90 #define HDA_CODEC_AUDIO_WCAP_CONN_LIST                                  \
  91         (1 << HDA_PARAM_AUDIO_WIDGET_CAP_CONN_LIST_SHIFT)
  92 #define HDA_CODEC_AUDIO_WCAP_FORMAT_OVR                                 \
  93         (1 << HDA_PARAM_AUDIO_WIDGET_CAP_FORMAT_OVR_SHIFT)
  94 #define HDA_CODEC_AUDIO_WCAP_AMP_OVR                                    \
  95         (1 << HDA_PARAM_AUDIO_WIDGET_CAP_AMP_OVR_SHIFT)
  96 #define HDA_CODEC_AUDIO_WCAP_OUT_AMP                                    \
  97         (1 << HDA_PARAM_AUDIO_WIDGET_CAP_OUT_AMP_SHIFT)
  98 #define HDA_CODEC_AUDIO_WCAP_IN_AMP                                     \
  99         (1 << HDA_PARAM_AUDIO_WIDGET_CAP_IN_AMP_SHIFT)
 100 #define HDA_CODEC_AUDIO_WCAP_STEREO                                     \
 101         (1 << HDA_PARAM_AUDIO_WIDGET_CAP_STEREO_SHIFT)
 102
 103 #define HDA_CODEC_PIN_CAP_OUTPUT                                        \
 104         (1 << HDA_PARAM_PIN_CAP_OUTPUT_CAP_SHIFT)
 105 #define HDA_CODEC_PIN_CAP_INPUT                                         \
 106         (1 << HDA_PARAM_PIN_CAP_INPUT_CAP_SHIFT)
 107 #define HDA_CODEC_PIN_CAP_PRESENCE_DETECT                               \
 108         (1 << HDA_PARAM_PIN_CAP_PRESENCE_DETECT_CAP_SHIFT)
 109
 110 #define HDA_CODEC_OUTPUT_AMP_CAP_MUTE_CAP                               \
 111         (1 << HDA_PARAM_OUTPUT_AMP_CAP_MUTE_CAP_SHIFT)
 112 #define HDA_CODEC_OUTPUT_AMP_CAP_STEPSIZE                               \
 113         (0x03 << HDA_PARAM_OUTPUT_AMP_CAP_STEPSIZE_SHIFT)
 114 #define HDA_CODEC_OUTPUT_AMP_CAP_NUMSTEPS                               \
 115         (HDA_CODEC_AMP_NUMSTEPS << HDA_PARAM_OUTPUT_AMP_CAP_NUMSTEPS_SHIFT)
 116 #define HDA_CODEC_OUTPUT_AMP_CAP_OFFSET                                 \
 117         (HDA_CODEC_AMP_NUMSTEPS << HDA_PARAM_OUTPUT_AMP_CAP_OFFSET_SHIFT)
 118
 119 #define HDA_CODEC_SET_AMP_GAIN_MUTE_MUTE        0x80
 120 #define HDA_CODEC_SET_AMP_GAIN_MUTE_GAIN_MASK   0x7f
 121
 122 #define HDA_CODEC_PIN_SENSE_PRESENCE_PLUGGED    (1 << 31)
 123 #define HDA_CODEC_PIN_WIDGET_CTRL_OUT_ENABLE                            \
 124         (1 << HDA_CMD_GET_PIN_WIDGET_CTRL_OUT_ENABLE_SHIFT)
 125 #define HDA_CODEC_PIN_WIDGET_CTRL_IN_ENABLE                             \
 126         (1 << HDA_CMD_GET_PIN_WIDGET_CTRL_IN_ENABLE_SHIFT)
 127
 128 #define HDA_CONFIG_DEFAULTCONF_COLOR_BLACK                              \
 129         (0x01 << HDA_CONFIG_DEFAULTCONF_COLOR_SHIFT)
 130 #define HDA_CONFIG_DEFAULTCONF_COLOR_RED                                \
 131         (0x05 << HDA_CONFIG_DEFAULTCONF_COLOR_SHIFT)
 132
 133 #define HDA_CODEC_BUF_SIZE                      HDA_FIFO_SIZE
 134
 135 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 136
 137
 138 /*
 139  * HDA Audio Context data structures
 140  */
 141
 142 typedef void (*transfer_func_t)(void *arg);
 143 typedef int (*setup_func_t)(void *arg);
 144
 145 struct hda_audio_ctxt {
 146         char name[64];
 147         uint8_t run;
 148         uint8_t started;
 149         void *priv;
 150         pthread_t tid;
 151         pthread_mutex_t mtx;
 152         pthread_cond_t cond;
 153         setup_func_t do_setup;
 154         transfer_func_t do_transfer;
 155 };
 156
 157 /*
 158  * HDA Audio Context module function declarations
 159  */
 160
 161 static void *hda_audio_ctxt_thr(void *arg);
 162 static int hda_audio_ctxt_init(struct hda_audio_ctxt *actx, const char *tname,
 163     transfer_func_t do_transfer, setup_func_t do_setup, void *priv);
 164 static int hda_audio_ctxt_start(struct hda_audio_ctxt *actx);
 165 static int hda_audio_ctxt_stop(struct hda_audio_ctxt *actx);
 166
 167 /*
 168  * HDA Codec data structures
 169  */
 170
 171 struct hda_codec_softc;
 172
 173 typedef uint32_t (*verb_func_t)(struct hda_codec_softc *sc, uint16_t verb,
 174                                     uint16_t payload);
 175
 176 struct hda_codec_stream {
 177         uint8_t buf[HDA_CODEC_BUF_SIZE];
 178         uint8_t channel;
 179         uint16_t fmt;
 180         uint8_t stream;
 181
 182         uint8_t left_gain;
 183         uint8_t right_gain;
 184         uint8_t left_mute;
 185         uint8_t right_mute;
 186
 187         struct audio *aud;
 188         struct hda_audio_ctxt actx;
 189 };
 190
 191 struct hda_codec_softc {
 192         uint32_t no_nodes;
 193         uint32_t subsystem_id;
 194         const uint32_t (*get_parameters)[HDA_CODEC_PARAMS_COUNT];
 195         const uint8_t (*conn_list)[HDA_CODEC_CONN_LIST_COUNT];
 196         const uint32_t *conf_default;
 197         const uint8_t *pin_ctrl_default;
 198         const verb_func_t *verb_handlers;
 199
 200         struct hda_codec_inst *hci;
 201         struct hda_codec_stream streams[HDA_CODEC_STREAMS_COUNT];
 202 };
 203
 204 /*
 205  * HDA Codec module function declarations
 206  */
 207 static int hda_codec_init(struct hda_codec_inst *hci, const char *play,
 208     const char *rec);
 209 static int hda_codec_reset(struct hda_codec_inst *hci);
 210 static int hda_codec_command(struct hda_codec_inst *hci, uint32_t cmd_data);
 211 static int hda_codec_notify(struct hda_codec_inst *hci, uint8_t run,
 212     uint8_t stream, uint8_t dir);
 213
 214 static int hda_codec_parse_format(uint16_t fmt, struct audio_params *params);
 215
 216 static uint32_t hda_codec_audio_output_nid(struct hda_codec_softc *sc,
 217     uint16_t verb, uint16_t payload);
 218 static void hda_codec_audio_output_do_transfer(void *arg);
 219 static int hda_codec_audio_output_do_setup(void *arg);
 220 static uint32_t hda_codec_audio_input_nid(struct hda_codec_softc *sc,
 221     uint16_t verb, uint16_t payload);
 222 static void hda_codec_audio_input_do_transfer(void *arg);
 223 static int hda_codec_audio_input_do_setup(void *arg);
 224
 225 static uint32_t hda_codec_audio_inout_nid(struct hda_codec_stream *st,
 226     uint16_t verb, uint16_t payload);
 227
 228 /*
 229  * HDA Codec global data
 230  */
 231
 232 #define HDA_CODEC_ROOT_DESC                                             \
 233         [HDA_CODEC_ROOT_NID] = {                                        \
 234                 [HDA_PARAM_VENDOR_ID] = INTEL_VENDORID,                 \
 235                 [HDA_PARAM_REVISION_ID] = 0xffff,                       \
 236                 /* 1 Subnode, StartNid = 1 */                           \
 237                 [HDA_PARAM_SUB_NODE_COUNT] = 0x00010001,                \
 238         },                                                              \
 239
 240 #define HDA_CODEC_FG_COMMON_DESC                                        \
 241         [HDA_PARAM_FCT_GRP_TYPE] = HDA_PARAM_FCT_GRP_TYPE_NODE_TYPE_AUDIO,\
 242         /* B8 - B32, 8.0 - 192.0kHz */                                  \
 243         [HDA_PARAM_SUPP_PCM_SIZE_RATE] = (0x1f << 16) | 0x7ff,          \
 244         [HDA_PARAM_SUPP_STREAM_FORMATS] = HDA_CODEC_SUPP_STREAM_FORMATS_PCM,\
 245         [HDA_PARAM_INPUT_AMP_CAP] = 0x00,       /* None */              \
 246         [HDA_PARAM_OUTPUT_AMP_CAP] = 0x00,      /* None */              \
 247         [HDA_PARAM_GPIO_COUNT] = 0x00,                                  \
 248
 249 #define HDA_CODEC_FG_OUTPUT_DESC                                        \
 250         [HDA_CODEC_FG_NID] = {                                          \
 251                 /* 2 Subnodes, StartNid = 2 */                          \
 252                 [HDA_PARAM_SUB_NODE_COUNT] = 0x00020002,                \
 253                 HDA_CODEC_FG_COMMON_DESC                                \
 254         },                                                              \
 255
 256 #define HDA_CODEC_FG_INPUT_DESC                                         \
 257         [HDA_CODEC_FG_NID] = {                                          \
 258                 /* 2 Subnodes, StartNid = 4 */                          \
 259                 [HDA_PARAM_SUB_NODE_COUNT] = 0x00040002,                \
 260                 HDA_CODEC_FG_COMMON_DESC                                \
 261         },                                                              \
 262
 263 #define HDA_CODEC_FG_DUPLEX_DESC                                        \
 264         [HDA_CODEC_FG_NID] = {                                          \
 265                 /* 4 Subnodes, StartNid = 2 */                          \
 266                 [HDA_PARAM_SUB_NODE_COUNT] = 0x00020004,                \
 267                 HDA_CODEC_FG_COMMON_DESC                                \
 268         },                                                              \
 269
 270 #define HDA_CODEC_OUTPUT_DESC                                           \
 271         [HDA_CODEC_AUDIO_OUTPUT_NID] = {                                \
 272                 [HDA_PARAM_AUDIO_WIDGET_CAP] =                          \
 273                                 HDA_CODEC_AUDIO_WCAP_OUTPUT |           \
 274                                 HDA_CODEC_AUDIO_WCAP_FORMAT_OVR |       \
 275                                 HDA_CODEC_AUDIO_WCAP_AMP_OVR |          \
 276                                 HDA_CODEC_AUDIO_WCAP_OUT_AMP |          \
 277                                 HDA_CODEC_AUDIO_WCAP_STEREO,            \
 278                 /* B16, 16.0 - 192.0kHz */                              \
 279                 [HDA_PARAM_SUPP_PCM_SIZE_RATE] = (0x02 << 16) | 0x7fc,  \
 280                 [HDA_PARAM_SUPP_STREAM_FORMATS] =                       \
 281                                 HDA_CODEC_SUPP_STREAM_FORMATS_PCM,      \
 282                 [HDA_PARAM_INPUT_AMP_CAP] = 0x00,       /* None */      \
 283                 [HDA_PARAM_CONN_LIST_LENGTH] = 0x00,                    \
 284                 [HDA_PARAM_OUTPUT_AMP_CAP] =                            \
 285                                 HDA_CODEC_OUTPUT_AMP_CAP_MUTE_CAP |     \
 286                                 HDA_CODEC_OUTPUT_AMP_CAP_STEPSIZE |     \
 287                                 HDA_CODEC_OUTPUT_AMP_CAP_NUMSTEPS |     \
 288                                 HDA_CODEC_OUTPUT_AMP_CAP_OFFSET,        \
 289         },                                                              \
 290         [HDA_CODEC_PIN_OUTPUT_NID] = {                                  \
 291                 [HDA_PARAM_AUDIO_WIDGET_CAP] =                          \
 292                                 HDA_CODEC_AUDIO_WCAP_PIN |              \
 293                                 HDA_CODEC_AUDIO_WCAP_CONN_LIST |        \
 294                                 HDA_CODEC_AUDIO_WCAP_STEREO,            \
 295                 [HDA_PARAM_PIN_CAP] = HDA_CODEC_PIN_CAP_OUTPUT |        \
 296                                       HDA_CODEC_PIN_CAP_PRESENCE_DETECT,\
 297                 [HDA_PARAM_INPUT_AMP_CAP] = 0x00,       /* None */      \
 298                 [HDA_PARAM_CONN_LIST_LENGTH] = 0x01,                    \
 299                 [HDA_PARAM_OUTPUT_AMP_CAP] = 0x00,      /* None */      \
 300         },                                                              \
 301
 302 #define HDA_CODEC_INPUT_DESC                                            \
 303         [HDA_CODEC_AUDIO_INPUT_NID] = {                                 \
 304                 [HDA_PARAM_AUDIO_WIDGET_CAP] =                          \
 305                                 HDA_CODEC_AUDIO_WCAP_INPUT |            \
 306                                 HDA_CODEC_AUDIO_WCAP_CONN_LIST |        \
 307                                 HDA_CODEC_AUDIO_WCAP_FORMAT_OVR |       \
 308                                 HDA_CODEC_AUDIO_WCAP_AMP_OVR |          \
 309                                 HDA_CODEC_AUDIO_WCAP_IN_AMP |           \
 310                                 HDA_CODEC_AUDIO_WCAP_STEREO,            \
 311                 /* B16, 16.0 - 192.0kHz */                              \
 312                 [HDA_PARAM_SUPP_PCM_SIZE_RATE] = (0x02 << 16) | 0x7fc,  \
 313                 [HDA_PARAM_SUPP_STREAM_FORMATS] =                       \
 314                                 HDA_CODEC_SUPP_STREAM_FORMATS_PCM,      \
 315                 [HDA_PARAM_OUTPUT_AMP_CAP] = 0x00,      /* None */      \
 316                 [HDA_PARAM_CONN_LIST_LENGTH] = 0x01,                    \
 317                 [HDA_PARAM_INPUT_AMP_CAP] =                             \
 318                                 HDA_CODEC_OUTPUT_AMP_CAP_MUTE_CAP |     \
 319                                 HDA_CODEC_OUTPUT_AMP_CAP_STEPSIZE |     \
 320                                 HDA_CODEC_OUTPUT_AMP_CAP_NUMSTEPS |     \
 321                                 HDA_CODEC_OUTPUT_AMP_CAP_OFFSET,        \
 322         },                                                              \
 323         [HDA_CODEC_PIN_INPUT_NID] = {                                   \
 324                 [HDA_PARAM_AUDIO_WIDGET_CAP] =                          \
 325                                 HDA_CODEC_AUDIO_WCAP_PIN |              \
 326                                 HDA_CODEC_AUDIO_WCAP_STEREO,            \
 327                 [HDA_PARAM_PIN_CAP] = HDA_CODEC_PIN_CAP_INPUT |         \
 328                                 HDA_CODEC_PIN_CAP_PRESENCE_DETECT,      \
 329                 [HDA_PARAM_INPUT_AMP_CAP] = 0x00,       /* None */      \
 330                 [HDA_PARAM_OUTPUT_AMP_CAP] = 0x00,      /* None */      \
 331         },                                                              \
 332
 333 static const uint32_t
 334 hda_codec_output_parameters[][HDA_CODEC_PARAMS_COUNT] = {
 335         HDA_CODEC_ROOT_DESC
 336         HDA_CODEC_FG_OUTPUT_DESC
 337         HDA_CODEC_OUTPUT_DESC
 338 };
 339
 340 static const uint32_t
 341 hda_codec_input_parameters[][HDA_CODEC_PARAMS_COUNT] = {
 342         HDA_CODEC_ROOT_DESC
 343         HDA_CODEC_FG_INPUT_DESC
 344         HDA_CODEC_INPUT_DESC
 345 };
 346
 347 static const uint32_t
 348 hda_codec_duplex_parameters[][HDA_CODEC_PARAMS_COUNT] = {
 349         HDA_CODEC_ROOT_DESC
 350         HDA_CODEC_FG_DUPLEX_DESC
 351         HDA_CODEC_OUTPUT_DESC
 352         HDA_CODEC_INPUT_DESC
 353 };
 354
 355 #define HDA_CODEC_NODES_COUNT   (ARRAY_SIZE(hda_codec_duplex_parameters))
 356
 357 static const uint8_t
 358 hda_codec_conn_list[HDA_CODEC_NODES_COUNT][HDA_CODEC_CONN_LIST_COUNT] = {
 359         [HDA_CODEC_PIN_OUTPUT_NID] = {HDA_CODEC_AUDIO_OUTPUT_NID},
 360         [HDA_CODEC_AUDIO_INPUT_NID] = {HDA_CODEC_PIN_INPUT_NID},
 361 };
 362
 363 static const uint32_t
 364 hda_codec_conf_default[HDA_CODEC_NODES_COUNT] = {
 365         [HDA_CODEC_PIN_OUTPUT_NID] =                                    \
 366                 HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_JACK |
 367                 HDA_CONFIG_DEFAULTCONF_DEVICE_LINE_OUT |
 368                 HDA_CONFIG_DEFAULTCONF_COLOR_BLACK |
 369                 (0x01 << HDA_CONFIG_DEFAULTCONF_ASSOCIATION_SHIFT),
 370         [HDA_CODEC_PIN_INPUT_NID] = HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_JACK |
 371                                     HDA_CONFIG_DEFAULTCONF_DEVICE_LINE_IN |
 372                                     HDA_CONFIG_DEFAULTCONF_COLOR_RED |
 373                         (0x02 << HDA_CONFIG_DEFAULTCONF_ASSOCIATION_SHIFT),
 374 };
 375
 376 static const uint8_t
 377 hda_codec_pin_ctrl_default[HDA_CODEC_NODES_COUNT] = {
 378         [HDA_CODEC_PIN_OUTPUT_NID] = HDA_CODEC_PIN_WIDGET_CTRL_OUT_ENABLE,
 379         [HDA_CODEC_PIN_INPUT_NID] = HDA_CODEC_PIN_WIDGET_CTRL_IN_ENABLE,
 380 };
 381
 382 static const
 383 verb_func_t hda_codec_verb_handlers[HDA_CODEC_NODES_COUNT] = {
 384         [HDA_CODEC_AUDIO_OUTPUT_NID] = hda_codec_audio_output_nid,
 385         [HDA_CODEC_AUDIO_INPUT_NID] = hda_codec_audio_input_nid,
 386 };
 387
 388 /*
 389  * HDA Codec module function definitions
 390  */
 391
 392 static int
 393 hda_codec_init(struct hda_codec_inst *hci, const char *play,
 394     const char *rec)
 395 {
 396         struct hda_codec_softc *sc = NULL;
 397         struct hda_codec_stream *st = NULL;
 398         int err;
 399
 400         if (!(play || rec))
 401                 return (-1);
 402
 403         sc = calloc(1, sizeof(*sc));
 404         if (!sc)
 405                 return (-1);
 406
 407         if (play && rec)
 408                 sc->get_parameters = hda_codec_duplex_parameters;
 409         else {
 410                 if (play)
 411                         sc->get_parameters = hda_codec_output_parameters;
 412                 else
 413                         sc->get_parameters = hda_codec_input_parameters;
 414         }
 415         sc->subsystem_id = HDA_CODEC_SUBSYSTEM_ID;
 416         sc->no_nodes = HDA_CODEC_NODES_COUNT;
 417         sc->conn_list = hda_codec_conn_list;
 418         sc->conf_default = hda_codec_conf_default;
 419         sc->pin_ctrl_default = hda_codec_pin_ctrl_default;
 420         sc->verb_handlers = hda_codec_verb_handlers;
 421         DPRINTF("HDA Codec nodes: %d", sc->no_nodes);
 422
 423         /*
 424          * Initialize the Audio Output stream
 425          */
 426         if (play) {
 427                 st = &sc->streams[HDA_CODEC_STREAM_OUTPUT];
 428
 429                 err = hda_audio_ctxt_init(&st->actx, "hda-audio-output",
 430                         hda_codec_audio_output_do_transfer,
 431                         hda_codec_audio_output_do_setup, sc);
 432                 assert(!err);
 433
 434                 st->aud = audio_init(play, 1);
 435                 if (!st->aud) {
 436                         DPRINTF("Fail to init the output audio player");
 437                         return (-1);
 438                 }
 439         }
 440
 441         /*
 442          * Initialize the Audio Input stream
 443          */
 444         if (rec) {
 445                 st = &sc->streams[HDA_CODEC_STREAM_INPUT];
 446
 447                 err = hda_audio_ctxt_init(&st->actx, "hda-audio-input",
 448                         hda_codec_audio_input_do_transfer,
 449                         hda_codec_audio_input_do_setup, sc);
 450                 assert(!err);
 451
 452                 st->aud = audio_init(rec, 0);
 453                 if (!st->aud) {
 454                         DPRINTF("Fail to init the input audio player");
 455                         return (-1);
 456                 }
 457         }
 458
 459         sc->hci = hci;
 460         hci->priv = sc;
 461
 462         return (0);
 463 }
 464
 465 static int
 466 hda_codec_reset(struct hda_codec_inst *hci)
 467 {
 468         const struct hda_ops *hops = NULL;
 469         struct hda_codec_softc *sc = NULL;
 470         struct hda_codec_stream *st = NULL;
 471         int i;
 472
 473         assert(hci);
 474
 475         hops = hci->hops;
 476         assert(hops);
 477
 478         sc = (struct hda_codec_softc *)hci->priv;
 479         assert(sc);
 480
 481         for (i = 0; i < HDA_CODEC_STREAMS_COUNT; i++) {
 482                 st = &sc->streams[i];
 483                 st->left_gain = HDA_CODEC_AMP_NUMSTEPS;
 484                 st->right_gain = HDA_CODEC_AMP_NUMSTEPS;
 485                 st->left_mute = HDA_CODEC_SET_AMP_GAIN_MUTE_MUTE;
 486                 st->right_mute = HDA_CODEC_SET_AMP_GAIN_MUTE_MUTE;
 487         }
 488
 489         DPRINTF("cad: 0x%x", hci->cad);
 490
 491         if (!hops->signal) {
 492                 DPRINTF("The controller ops does not implement \
 493                          the signal function");
 494                 return (-1);
 495         }
 496
 497         return (hops->signal(hci));
 498 }
 499
 500 static int
 501 hda_codec_command(struct hda_codec_inst *hci, uint32_t cmd_data)
 502 {
 503         const struct hda_ops *hops = NULL;
 504         struct hda_codec_softc *sc = NULL;
 505         uint8_t cad = 0, nid = 0;
 506         uint16_t verb = 0, payload = 0;
 507         uint32_t res = 0;
 508
 509         /* 4 bits */
 510         cad = (cmd_data >> HDA_CMD_CAD_SHIFT) & 0x0f;
 511         /* 8 bits */
 512         nid = (cmd_data >> HDA_CMD_NID_SHIFT) & 0xff;
 513
 514         if ((cmd_data & 0x70000) == 0x70000) {
 515                 /* 12 bits */
 516                 verb = (cmd_data >> HDA_CMD_VERB_12BIT_SHIFT) & 0x0fff;
 517                 /* 8 bits */
 518                 payload = cmd_data & 0xff;
 519         } else {
 520                 /* 4 bits */
 521                 verb = (cmd_data >> HDA_CMD_VERB_4BIT_SHIFT) & 0x0f;
 522                 /* 16 bits */
 523                 payload = cmd_data & 0xffff;
 524         }
 525
 526         assert(cad == hci->cad);
 527         assert(hci);
 528
 529         hops = hci->hops;
 530         assert(hops);
 531
 532         sc = (struct hda_codec_softc *)hci->priv;
 533         assert(sc);
 534
 535         assert(nid < sc->no_nodes);
 536
 537         if (!hops->response) {
 538                 DPRINTF("The controller ops does not implement \
 539                          the response function");
 540                 return (-1);
 541         }
 542
 543         switch (verb) {
 544         case HDA_CMD_VERB_GET_PARAMETER:
 545                 res = sc->get_parameters[nid][payload];
 546                 break;
 547         case HDA_CMD_VERB_GET_CONN_LIST_ENTRY:
 548                 res = sc->conn_list[nid][0];
 549                 break;
 550         case HDA_CMD_VERB_GET_PIN_WIDGET_CTRL:
 551                 res = sc->pin_ctrl_default[nid];
 552                 break;
 553         case HDA_CMD_VERB_GET_PIN_SENSE:
 554                 res = HDA_CODEC_PIN_SENSE_PRESENCE_PLUGGED;
 555                 break;
 556         case HDA_CMD_VERB_GET_CONFIGURATION_DEFAULT:
 557                 res = sc->conf_default[nid];
 558                 break;
 559         case HDA_CMD_VERB_GET_SUBSYSTEM_ID:
 560                 res = sc->subsystem_id;
 561                 break;
 562         default:
 563                 assert(sc->verb_handlers);
 564                 if (sc->verb_handlers[nid])
 565                         res = sc->verb_handlers[nid](sc, verb, payload);
 566                 else
 567                         DPRINTF("Unknown VERB: 0x%x", verb);
 568                 break;
 569         }
 570
 571         DPRINTF("cad: 0x%x nid: 0x%x verb: 0x%x payload: 0x%x response: 0x%x",
 572             cad, nid, verb, payload, res);
 573
 574         return (hops->response(hci, res, HDA_CODEC_RESPONSE_EX_SOL));
 575 }
 576
 577 static int
 578 hda_codec_notify(struct hda_codec_inst *hci, uint8_t run,
 579     uint8_t stream, uint8_t dir)
 580 {
 581         struct hda_codec_softc *sc = NULL;
 582         struct hda_codec_stream *st = NULL;
 583         struct hda_audio_ctxt *actx = NULL;
 584         int i;
 585         int err;
 586
 587         assert(hci);
 588         assert(stream);
 589
 590         sc = (struct hda_codec_softc *)hci->priv;
 591         assert(sc);
 592
 593         i = dir ? HDA_CODEC_STREAM_OUTPUT : HDA_CODEC_STREAM_INPUT;
 594         st = &sc->streams[i];
 595
 596         DPRINTF("run: %d, stream: 0x%x, st->stream: 0x%x dir: %d",
 597             run, stream, st->stream, dir);
 598
 599         if (stream != st->stream) {
 600                 DPRINTF("Stream not found");
 601                 return (0);
 602         }
 603
 604         actx = &st->actx;
 605
 606         if (run)
 607                 err = hda_audio_ctxt_start(actx);
 608         else
 609                 err = hda_audio_ctxt_stop(actx);
 610
 611         return (err);
 612 }
 613
 614 static int
 615 hda_codec_parse_format(uint16_t fmt, struct audio_params *params)
 616 {
 617         uint8_t div = 0;
 618
 619         assert(params);
 620
 621         /* Compute the Sample Rate */
 622         params->rate = (fmt & HDA_CODEC_FMT_BASE_MASK) ? 44100 : 48000;
 623
 624         switch (fmt & HDA_CODEC_FMT_MULT_MASK) {
 625         case HDA_CODEC_FMT_MULT_2:
 626                 params->rate *= 2;
 627                 break;
 628         case HDA_CODEC_FMT_MULT_3:
 629                 params->rate *= 3;
 630                 break;
 631         case HDA_CODEC_FMT_MULT_4:
 632                 params->rate *= 4;
 633                 break;
 634         }
 635
 636         div = (fmt >> HDA_CODEC_FMT_DIV_SHIFT) & HDA_CODEC_FMT_DIV_MASK;
 637         params->rate /= (div + 1);
 638
 639         /* Compute the Bits per Sample */
 640         switch (fmt & HDA_CODEC_FMT_BITS_MASK) {
 641         case HDA_CODEC_FMT_BITS_8:
 642                 params->format = AFMT_U8;
 643                 break;
 644         case HDA_CODEC_FMT_BITS_16:
 645                 params->format = AFMT_S16_LE;
 646                 break;
 647         case HDA_CODEC_FMT_BITS_24:
 648                 params->format = AFMT_S24_LE;
 649                 break;
 650         case HDA_CODEC_FMT_BITS_32:
 651                 params->format = AFMT_S32_LE;
 652                 break;
 653         default:
 654                 DPRINTF("Unknown format bits: 0x%x",
 655                     fmt & HDA_CODEC_FMT_BITS_MASK);
 656                 return (-1);
 657         }
 658
 659         /* Compute the Number of Channels */
 660         params->channels = (fmt & HDA_CODEC_FMT_CHAN_MASK) + 1;
 661
 662         return (0);
 663 }
 664
 665 static uint32_t
 666 hda_codec_audio_output_nid(struct hda_codec_softc *sc, uint16_t verb,
 667     uint16_t payload)
 668 {
 669         struct hda_codec_stream *st = &sc->streams[HDA_CODEC_STREAM_OUTPUT];
 670         int res;
 671
 672         res = hda_codec_audio_inout_nid(st, verb, payload);
 673
 674         return (res);
 675 }
 676
 677 static void
 678 hda_codec_audio_output_do_transfer(void *arg)
 679 {
 680         const struct hda_ops *hops = NULL;
 681         struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
 682         struct hda_codec_inst *hci = NULL;
 683         struct hda_codec_stream *st = NULL;
 684         struct audio *aud = NULL;
 685         int err;
 686
 687         hci = sc->hci;
 688         assert(hci);
 689
 690         hops = hci->hops;
 691         assert(hops);
 692
 693         st = &sc->streams[HDA_CODEC_STREAM_OUTPUT];
 694         aud = st->aud;
 695
 696         err = hops->transfer(hci, st->stream, 1, st->buf, sizeof(st->buf));
 697         if (err)
 698                 return;
 699
 700         err = audio_playback(aud, st->buf, sizeof(st->buf));
 701         assert(!err);
 702 }
 703
 704 static int
 705 hda_codec_audio_output_do_setup(void *arg)
 706 {
 707         struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
 708         struct hda_codec_stream *st = NULL;
 709         struct audio *aud = NULL;
 710         struct audio_params params;
 711         int err;
 712
 713         st = &sc->streams[HDA_CODEC_STREAM_OUTPUT];
 714         aud = st->aud;
 715
 716         err = hda_codec_parse_format(st->fmt, &params);
 717         if (err)
 718                 return (-1);
 719
 720         DPRINTF("rate: %d, channels: %d, format: 0x%x",
 721             params.rate, params.channels, params.format);
 722
 723         return (audio_set_params(aud, &params));
 724 }
 725
 726 static uint32_t
 727 hda_codec_audio_input_nid(struct hda_codec_softc *sc, uint16_t verb,
 728     uint16_t payload)
 729 {
 730         struct hda_codec_stream *st = &sc->streams[HDA_CODEC_STREAM_INPUT];
 731         int res;
 732
 733         res = hda_codec_audio_inout_nid(st, verb, payload);
 734
 735         return (res);
 736 }
 737
 738 static void
 739 hda_codec_audio_input_do_transfer(void *arg)
 740 {
 741         const struct hda_ops *hops = NULL;
 742         struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
 743         struct hda_codec_inst *hci = NULL;
 744         struct hda_codec_stream *st = NULL;
 745         struct audio *aud = NULL;
 746         int err;
 747
 748         hci = sc->hci;
 749         assert(hci);
 750
 751         hops = hci->hops;
 752         assert(hops);
 753
 754         st = &sc->streams[HDA_CODEC_STREAM_INPUT];
 755         aud = st->aud;
 756
 757         err = audio_record(aud, st->buf, sizeof(st->buf));
 758         assert(!err);
 759
 760         hops->transfer(hci, st->stream, 0, st->buf, sizeof(st->buf));
 761 }
 762
 763 static int
 764 hda_codec_audio_input_do_setup(void *arg)
 765 {
 766         struct hda_codec_softc *sc = (struct hda_codec_softc *)arg;
 767         struct hda_codec_stream *st = NULL;
 768         struct audio *aud = NULL;
 769         struct audio_params params;
 770         int err;
 771
 772         st = &sc->streams[HDA_CODEC_STREAM_INPUT];
 773         aud = st->aud;
 774
 775         err = hda_codec_parse_format(st->fmt, &params);
 776         if (err)
 777                 return (-1);
 778
 779         DPRINTF("rate: %d, channels: %d, format: 0x%x",
 780             params.rate, params.channels, params.format);
 781
 782         return (audio_set_params(aud, &params));
 783 }
 784
 785 static uint32_t
 786 hda_codec_audio_inout_nid(struct hda_codec_stream *st, uint16_t verb,
 787     uint16_t payload)
 788 {
 789         uint32_t res = 0;
 790         uint8_t mute = 0;
 791         uint8_t gain = 0;
 792
 793         DPRINTF("%s verb: 0x%x, payload, 0x%x", st->actx.name, verb, payload);
 794
 795         switch (verb) {
 796         case HDA_CMD_VERB_GET_CONV_FMT:
 797                 res = st->fmt;
 798                 break;
 799         case HDA_CMD_VERB_SET_CONV_FMT:
 800                 st->fmt = payload;
 801                 break;
 802         case HDA_CMD_VERB_GET_AMP_GAIN_MUTE:
 803                 if (payload & HDA_CMD_GET_AMP_GAIN_MUTE_LEFT) {
 804                         res = st->left_gain | st->left_mute;
 805                         DPRINTF("GET_AMP_GAIN_MUTE_LEFT: 0x%x", res);
 806                 } else {
 807                         res = st->right_gain | st->right_mute;
 808                         DPRINTF("GET_AMP_GAIN_MUTE_RIGHT: 0x%x", res);
 809                 }
 810                 break;
 811         case HDA_CMD_VERB_SET_AMP_GAIN_MUTE:
 812                 mute = payload & HDA_CODEC_SET_AMP_GAIN_MUTE_MUTE;
 813                 gain = payload & HDA_CODEC_SET_AMP_GAIN_MUTE_GAIN_MASK;
 814
 815                 if (payload & HDA_CMD_SET_AMP_GAIN_MUTE_LEFT) {
 816                         st->left_mute = mute;
 817                         st->left_gain = gain;
 818                         DPRINTF("SET_AMP_GAIN_MUTE_LEFT: \
 819                             mute: 0x%x gain: 0x%x", mute, gain);
 820                 }
 821
 822                 if (payload & HDA_CMD_SET_AMP_GAIN_MUTE_RIGHT) {
 823                         st->right_mute = mute;
 824                         st->right_gain = gain;
 825                         DPRINTF("SET_AMP_GAIN_MUTE_RIGHT: \
 826                             mute: 0x%x gain: 0x%x", mute, gain);
 827                 }
 828                 break;
 829         case HDA_CMD_VERB_GET_CONV_STREAM_CHAN:
 830                 res = (st->stream << 4) | st->channel;
 831                 break;
 832         case HDA_CMD_VERB_SET_CONV_STREAM_CHAN:
 833                 st->channel = payload & 0x0f;
 834                 st->stream = (payload >> 4) & 0x0f;
 835                 DPRINTF("st->channel: 0x%x st->stream: 0x%x",
 836                     st->channel, st->stream);
 837                 if (!st->stream)
 838                         hda_audio_ctxt_stop(&st->actx);
 839                 break;
 840         default:
 841                 DPRINTF("Unknown VERB: 0x%x", verb);
 842                 break;
 843         }
 844
 845         return (res);
 846 }
 847
 848 static const struct hda_codec_class hda_codec = {
 849         .name           = "hda_codec",
 850         .init           = hda_codec_init,
 851         .reset          = hda_codec_reset,
 852         .command        = hda_codec_command,
 853         .notify         = hda_codec_notify,
 854 };
 855 HDA_EMUL_SET(hda_codec);
 856
 857 /*
 858  * HDA Audio Context module function definitions
 859  */
 860
 861 static void *
 862 hda_audio_ctxt_thr(void *arg)
 863 {
 864         struct hda_audio_ctxt *actx = arg;
 865
 866         DPRINTF("Start Thread: %s", actx->name);
 867
 868         pthread_mutex_lock(&actx->mtx);
 869         while (1) {
 870                 while (!actx->run)
 871                         pthread_cond_wait(&actx->cond, &actx->mtx);
 872
 873                 actx->do_transfer(actx->priv);
 874         }
 875         pthread_mutex_unlock(&actx->mtx);
 876
 877         pthread_exit(NULL);
 878         return (NULL);
 879 }
 880
 881 static int
 882 hda_audio_ctxt_init(struct hda_audio_ctxt *actx, const char *tname,
 883     transfer_func_t do_transfer, setup_func_t do_setup, void *priv)
 884 {
 885         int err;
 886
 887         assert(actx);
 888         assert(tname);
 889         assert(do_transfer);
 890         assert(do_setup);
 891         assert(priv);
 892
 893         memset(actx, 0, sizeof(*actx));
 894
 895         actx->run = 0;
 896         actx->do_transfer = do_transfer;
 897         actx->do_setup = do_setup;
 898         actx->priv = priv;
 899         if (strlen(tname) < sizeof(actx->name))
 900                 memcpy(actx->name, tname, strlen(tname) + 1);
 901         else
 902                 strcpy(actx->name, "unknown");
 903
 904         err = pthread_mutex_init(&actx->mtx, NULL);
 905         assert(!err);
 906
 907         err = pthread_cond_init(&actx->cond, NULL);
 908         assert(!err);
 909
 910         err = pthread_create(&actx->tid, NULL, hda_audio_ctxt_thr, actx);
 911         assert(!err);
 912
 913         pthread_set_name_np(actx->tid, tname);
 914
 915         actx->started = 1;
 916
 917         return (0);
 918 }
 919
 920 static int
 921 hda_audio_ctxt_start(struct hda_audio_ctxt *actx)
 922 {
 923         int err = 0;
 924
 925         assert(actx);
 926         assert(actx->started);
 927
 928         /* The stream is supposed to be stopped */
 929         if (actx->run)
 930                 return (-1);
 931
 932         pthread_mutex_lock(&actx->mtx);
 933         err = (* actx->do_setup)(actx->priv);
 934         if (!err) {
 935                 actx->run = 1;
 936                 pthread_cond_signal(&actx->cond);
 937         }
 938         pthread_mutex_unlock(&actx->mtx);
 939
 940         return (err);
 941 }
 942
 943 static int
 944 hda_audio_ctxt_stop(struct hda_audio_ctxt *actx)
 945 {
 946         actx->run = 0;
 947         return (0);
 948 }