sys/dev/sound/pci/hda/hdacc.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   3  *
   4  * Copyright (c) 2006 Stephane E. Potvin <sepotvin@videotron.ca>
   5  * Copyright (c) 2006 Ariff Abdullah <ariff@FreeBSD.org>
   6  * Copyright (c) 2008-2012 Alexander Motin <mav@FreeBSD.org>
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  */
  30
  31 /*
  32  * Intel High Definition Audio (CODEC) driver for FreeBSD.
  33  */
  34
  35 #ifdef HAVE_KERNEL_OPTION_HEADERS
  36 #include "opt_snd.h"
  37 #endif
  38
  39 #include <dev/sound/pcm/sound.h>
  40
  41 #include <sys/ctype.h>
  42
  43 #include <dev/sound/pci/hda/hda_reg.h>
  44 #include <dev/sound/pci/hda/hdac.h>
  45
  46 SND_DECLARE_FILE("$FreeBSD$");
  47
  48 struct hdacc_fg {
  49         device_t        dev;
  50         nid_t           nid;
  51         uint8_t         type;
  52         uint32_t        subsystem_id;
  53 };
  54
  55 struct hdacc_softc {
  56         device_t        dev;
  57         struct mtx      *lock;
  58         nid_t           cad;
  59         device_t        streams[2][16];
  60         device_t        tags[64];
  61         int             fgcnt;
  62         struct hdacc_fg *fgs;
  63 };
  64
  65 #define hdacc_lock(codec)       snd_mtxlock((codec)->lock)
  66 #define hdacc_unlock(codec)     snd_mtxunlock((codec)->lock)
  67 #define hdacc_lockassert(codec) snd_mtxassert((codec)->lock)
  68
  69 MALLOC_DEFINE(M_HDACC, "hdacc", "HDA CODEC");
  70
  71 /* CODECs */
  72 static const struct {
  73         uint32_t id;
  74         uint16_t revid;
  75         const char *name;
  76 } hdacc_codecs[] = {
  77         { HDA_CODEC_CS4206, 0,          "Cirrus Logic CS4206" },
  78         { HDA_CODEC_CS4207, 0,          "Cirrus Logic CS4207" },
  79         { HDA_CODEC_CS4210, 0,          "Cirrus Logic CS4210" },
  80         { HDA_CODEC_ALC215, 0,          "Realtek ALC215" },
  81         { HDA_CODEC_ALC221, 0,          "Realtek ALC221" },
  82         { HDA_CODEC_ALC222, 0,          "Realtek ALC222" },
  83         { HDA_CODEC_ALC225, 0,          "Realtek ALC225" },
  84         { HDA_CODEC_ALC231, 0,          "Realtek ALC231" },
  85         { HDA_CODEC_ALC233, 0,          "Realtek ALC233" },
  86         { HDA_CODEC_ALC234, 0,          "Realtek ALC234" },
  87         { HDA_CODEC_ALC235, 0,          "Realtek ALC235" },
  88         { HDA_CODEC_ALC236, 0,          "Realtek ALC236" },
  89         { HDA_CODEC_ALC245, 0,          "Realtek ALC245" },
  90         { HDA_CODEC_ALC255, 0,          "Realtek ALC255" },
  91         { HDA_CODEC_ALC256, 0,          "Realtek ALC256" },
  92         { HDA_CODEC_ALC257, 0,          "Realtek ALC257" },
  93         { HDA_CODEC_ALC260, 0,          "Realtek ALC260" },
  94         { HDA_CODEC_ALC262, 0,          "Realtek ALC262" },
  95         { HDA_CODEC_ALC267, 0,          "Realtek ALC267" },
  96         { HDA_CODEC_ALC268, 0,          "Realtek ALC268" },
  97         { HDA_CODEC_ALC269, 0,          "Realtek ALC269" },
  98         { HDA_CODEC_ALC270, 0,          "Realtek ALC270" },
  99         { HDA_CODEC_ALC272, 0,          "Realtek ALC272" },
 100         { HDA_CODEC_ALC273, 0,          "Realtek ALC273" },
 101         { HDA_CODEC_ALC274, 0,          "Realtek ALC274" },
 102         { HDA_CODEC_ALC275, 0,          "Realtek ALC275" },
 103         { HDA_CODEC_ALC276, 0,          "Realtek ALC276" },
 104         { HDA_CODEC_ALC292, 0,          "Realtek ALC292" },
 105         { HDA_CODEC_ALC295, 0,          "Realtek ALC295" },
 106         { HDA_CODEC_ALC280, 0,          "Realtek ALC280" },
 107         { HDA_CODEC_ALC282, 0,          "Realtek ALC282" },
 108         { HDA_CODEC_ALC283, 0,          "Realtek ALC283" },
 109         { HDA_CODEC_ALC284, 0,          "Realtek ALC284" },
 110         { HDA_CODEC_ALC285, 0,          "Realtek ALC285" },
 111         { HDA_CODEC_ALC286, 0,          "Realtek ALC286" },
 112         { HDA_CODEC_ALC288, 0,          "Realtek ALC288" },
 113         { HDA_CODEC_ALC289, 0,          "Realtek ALC289" },
 114         { HDA_CODEC_ALC290, 0,          "Realtek ALC290" },
 115         { HDA_CODEC_ALC292, 0,          "Realtek ALC292" },
 116         { HDA_CODEC_ALC293, 0,          "Realtek ALC293" },
 117         { HDA_CODEC_ALC294, 0,          "Realtek ALC294" },
 118         { HDA_CODEC_ALC295, 0,          "Realtek ALC295" },
 119         { HDA_CODEC_ALC298, 0,          "Realtek ALC298" },
 120         { HDA_CODEC_ALC299, 0,          "Realtek ALC299" },
 121         { HDA_CODEC_ALC300, 0,          "Realtek ALC300" },
 122         { HDA_CODEC_ALC623, 0,          "Realtek ALC623" },
 123         { HDA_CODEC_ALC660, 0,          "Realtek ALC660-VD" },
 124         { HDA_CODEC_ALC662, 0x0002,     "Realtek ALC662 rev2" },
 125         { HDA_CODEC_ALC662, 0x0101,     "Realtek ALC662 rev1" },
 126         { HDA_CODEC_ALC662, 0x0300,     "Realtek ALC662 rev3" },
 127         { HDA_CODEC_ALC662, 0,          "Realtek ALC662" },
 128         { HDA_CODEC_ALC663, 0,          "Realtek ALC663" },
 129         { HDA_CODEC_ALC665, 0,          "Realtek ALC665" },
 130         { HDA_CODEC_ALC670, 0,          "Realtek ALC670" },
 131         { HDA_CODEC_ALC671, 0,          "Realtek ALC671" },
 132         { HDA_CODEC_ALC680, 0,          "Realtek ALC680" },
 133         { HDA_CODEC_ALC700, 0,          "Realtek ALC700" },
 134         { HDA_CODEC_ALC701, 0,          "Realtek ALC701" },
 135         { HDA_CODEC_ALC703, 0,          "Realtek ALC703" },
 136         { HDA_CODEC_ALC861, 0x0340,     "Realtek ALC660" },
 137         { HDA_CODEC_ALC861, 0,          "Realtek ALC861" },
 138         { HDA_CODEC_ALC861VD, 0,        "Realtek ALC861-VD" },
 139         { HDA_CODEC_ALC880, 0,          "Realtek ALC880" },
 140         { HDA_CODEC_ALC882, 0,          "Realtek ALC882" },
 141         { HDA_CODEC_ALC883, 0,          "Realtek ALC883" },
 142         { HDA_CODEC_ALC885, 0x0101,     "Realtek ALC889A" },
 143         { HDA_CODEC_ALC885, 0x0103,     "Realtek ALC889A" },
 144         { HDA_CODEC_ALC885, 0,          "Realtek ALC885" },
 145         { HDA_CODEC_ALC887, 0,          "Realtek ALC887" },
 146         { HDA_CODEC_ALC888, 0x0101,     "Realtek ALC1200" },
 147         { HDA_CODEC_ALC888, 0,          "Realtek ALC888" },
 148         { HDA_CODEC_ALC889, 0,          "Realtek ALC889" },
 149         { HDA_CODEC_ALC892, 0,          "Realtek ALC892" },
 150         { HDA_CODEC_ALC899, 0,          "Realtek ALC899" },
 151         { HDA_CODEC_ALC1150, 0,         "Realtek ALC1150" },
 152         { HDA_CODEC_ALCS1200A, 0,       "Realtek ALCS1200A" },
 153         { HDA_CODEC_ALC1220_1, 0,       "Realtek ALC1220" },
 154         { HDA_CODEC_ALC1220, 0,         "Realtek ALC1220" },
 155         { HDA_CODEC_AD1882, 0,          "Analog Devices AD1882" },
 156         { HDA_CODEC_AD1882A, 0,         "Analog Devices AD1882A" },
 157         { HDA_CODEC_AD1883, 0,          "Analog Devices AD1883" },
 158         { HDA_CODEC_AD1884, 0,          "Analog Devices AD1884" },
 159         { HDA_CODEC_AD1884A, 0,         "Analog Devices AD1884A" },
 160         { HDA_CODEC_AD1981HD, 0,        "Analog Devices AD1981HD" },
 161         { HDA_CODEC_AD1983, 0,          "Analog Devices AD1983" },
 162         { HDA_CODEC_AD1984, 0,          "Analog Devices AD1984" },
 163         { HDA_CODEC_AD1984A, 0,         "Analog Devices AD1984A" },
 164         { HDA_CODEC_AD1984B, 0,         "Analog Devices AD1984B" },
 165         { HDA_CODEC_AD1986A, 0,         "Analog Devices AD1986A" },
 166         { HDA_CODEC_AD1987, 0,          "Analog Devices AD1987" },
 167         { HDA_CODEC_AD1988, 0,          "Analog Devices AD1988A" },
 168         { HDA_CODEC_AD1988B, 0,         "Analog Devices AD1988B" },
 169         { HDA_CODEC_AD1989A, 0,         "Analog Devices AD1989A" },
 170         { HDA_CODEC_AD1989B, 0,         "Analog Devices AD1989B" },
 171         { HDA_CODEC_CA0110, 0,          "Creative CA0110-IBG" },
 172         { HDA_CODEC_CA0110_2, 0,        "Creative CA0110-IBG" },
 173         { HDA_CODEC_CA0132, 0,          "Creative CA0132" },
 174         { HDA_CODEC_SB0880, 0,          "Creative SB0880 X-Fi" },
 175         { HDA_CODEC_CMI9880, 0,         "CMedia CMI9880" },
 176         { HDA_CODEC_CMI98802, 0,        "CMedia CMI9880" },
 177         { HDA_CODEC_CXD9872RDK, 0,      "Sigmatel CXD9872RD/K" },
 178         { HDA_CODEC_CXD9872AKD, 0,      "Sigmatel CXD9872AKD" },
 179         { HDA_CODEC_STAC9200D, 0,       "Sigmatel STAC9200D" },
 180         { HDA_CODEC_STAC9204X, 0,       "Sigmatel STAC9204X" },
 181         { HDA_CODEC_STAC9204D, 0,       "Sigmatel STAC9204D" },
 182         { HDA_CODEC_STAC9205X, 0,       "Sigmatel STAC9205X" },
 183         { HDA_CODEC_STAC9205D, 0,       "Sigmatel STAC9205D" },
 184         { HDA_CODEC_STAC9220, 0,        "Sigmatel STAC9220" },
 185         { HDA_CODEC_STAC9220_A1, 0,     "Sigmatel STAC9220_A1" },
 186         { HDA_CODEC_STAC9220_A2, 0,     "Sigmatel STAC9220_A2" },
 187         { HDA_CODEC_STAC9221, 0,        "Sigmatel STAC9221" },
 188         { HDA_CODEC_STAC9221_A2, 0,     "Sigmatel STAC9221_A2" },
 189         { HDA_CODEC_STAC9221D, 0,       "Sigmatel STAC9221D" },
 190         { HDA_CODEC_STAC922XD, 0,       "Sigmatel STAC9220D/9223D" },
 191         { HDA_CODEC_STAC9227X, 0,       "Sigmatel STAC9227X" },
 192         { HDA_CODEC_STAC9227D, 0,       "Sigmatel STAC9227D" },
 193         { HDA_CODEC_STAC9228X, 0,       "Sigmatel STAC9228X" },
 194         { HDA_CODEC_STAC9228D, 0,       "Sigmatel STAC9228D" },
 195         { HDA_CODEC_STAC9229X, 0,       "Sigmatel STAC9229X" },
 196         { HDA_CODEC_STAC9229D, 0,       "Sigmatel STAC9229D" },
 197         { HDA_CODEC_STAC9230X, 0,       "Sigmatel STAC9230X" },
 198         { HDA_CODEC_STAC9230D, 0,       "Sigmatel STAC9230D" },
 199         { HDA_CODEC_STAC9250, 0,        "Sigmatel STAC9250" },
 200         { HDA_CODEC_STAC9251, 0,        "Sigmatel STAC9251" },
 201         { HDA_CODEC_STAC9255, 0,        "Sigmatel STAC9255" },
 202         { HDA_CODEC_STAC9255D, 0,       "Sigmatel STAC9255D" },
 203         { HDA_CODEC_STAC9254, 0,        "Sigmatel STAC9254" },
 204         { HDA_CODEC_STAC9254D, 0,       "Sigmatel STAC9254D" },
 205         { HDA_CODEC_STAC9271X, 0,       "Sigmatel STAC9271X" },
 206         { HDA_CODEC_STAC9271D, 0,       "Sigmatel STAC9271D" },
 207         { HDA_CODEC_STAC9272X, 0,       "Sigmatel STAC9272X" },
 208         { HDA_CODEC_STAC9272D, 0,       "Sigmatel STAC9272D" },
 209         { HDA_CODEC_STAC9273X, 0,       "Sigmatel STAC9273X" },
 210         { HDA_CODEC_STAC9273D, 0,       "Sigmatel STAC9273D" },
 211         { HDA_CODEC_STAC9274, 0,        "Sigmatel STAC9274" },
 212         { HDA_CODEC_STAC9274D, 0,       "Sigmatel STAC9274D" },
 213         { HDA_CODEC_STAC9274X5NH, 0,    "Sigmatel STAC9274X5NH" },
 214         { HDA_CODEC_STAC9274D5NH, 0,    "Sigmatel STAC9274D5NH" },
 215         { HDA_CODEC_STAC9872AK, 0,      "Sigmatel STAC9872AK" },
 216         { HDA_CODEC_IDT92HD005, 0,      "IDT 92HD005" },
 217         { HDA_CODEC_IDT92HD005D, 0,     "IDT 92HD005D" },
 218         { HDA_CODEC_IDT92HD206X, 0,     "IDT 92HD206X" },
 219         { HDA_CODEC_IDT92HD206D, 0,     "IDT 92HD206D" },
 220         { HDA_CODEC_IDT92HD66B1X5, 0,   "IDT 92HD66B1X5" },
 221         { HDA_CODEC_IDT92HD66B2X5, 0,   "IDT 92HD66B2X5" },
 222         { HDA_CODEC_IDT92HD66B3X5, 0,   "IDT 92HD66B3X5" },
 223         { HDA_CODEC_IDT92HD66C1X5, 0,   "IDT 92HD66C1X5" },
 224         { HDA_CODEC_IDT92HD66C2X5, 0,   "IDT 92HD66C2X5" },
 225         { HDA_CODEC_IDT92HD66C3X5, 0,   "IDT 92HD66C3X5" },
 226         { HDA_CODEC_IDT92HD66B1X3, 0,   "IDT 92HD66B1X3" },
 227         { HDA_CODEC_IDT92HD66B2X3, 0,   "IDT 92HD66B2X3" },
 228         { HDA_CODEC_IDT92HD66B3X3, 0,   "IDT 92HD66B3X3" },
 229         { HDA_CODEC_IDT92HD66C1X3, 0,   "IDT 92HD66C1X3" },
 230         { HDA_CODEC_IDT92HD66C2X3, 0,   "IDT 92HD66C2X3" },
 231         { HDA_CODEC_IDT92HD66C3_65, 0,  "IDT 92HD66C3_65" },
 232         { HDA_CODEC_IDT92HD700X, 0,     "IDT 92HD700X" },
 233         { HDA_CODEC_IDT92HD700D, 0,     "IDT 92HD700D" },
 234         { HDA_CODEC_IDT92HD71B5, 0,     "IDT 92HD71B5" },
 235         { HDA_CODEC_IDT92HD71B5_2, 0,   "IDT 92HD71B5" },
 236         { HDA_CODEC_IDT92HD71B6, 0,     "IDT 92HD71B6" },
 237         { HDA_CODEC_IDT92HD71B6_2, 0,   "IDT 92HD71B6" },
 238         { HDA_CODEC_IDT92HD71B7, 0,     "IDT 92HD71B7" },
 239         { HDA_CODEC_IDT92HD71B7_2, 0,   "IDT 92HD71B7" },
 240         { HDA_CODEC_IDT92HD71B8, 0,     "IDT 92HD71B8" },
 241         { HDA_CODEC_IDT92HD71B8_2, 0,   "IDT 92HD71B8" },
 242         { HDA_CODEC_IDT92HD73C1, 0,     "IDT 92HD73C1" },
 243         { HDA_CODEC_IDT92HD73D1, 0,     "IDT 92HD73D1" },
 244         { HDA_CODEC_IDT92HD73E1, 0,     "IDT 92HD73E1" },
 245         { HDA_CODEC_IDT92HD75B3, 0,     "IDT 92HD75B3" },
 246         { HDA_CODEC_IDT92HD75BX, 0,     "IDT 92HD75BX" },
 247         { HDA_CODEC_IDT92HD81B1C, 0,    "IDT 92HD81B1C" },
 248         { HDA_CODEC_IDT92HD81B1X, 0,    "IDT 92HD81B1X" },
 249         { HDA_CODEC_IDT92HD83C1C, 0,    "IDT 92HD83C1C" },
 250         { HDA_CODEC_IDT92HD83C1X, 0,    "IDT 92HD83C1X" },
 251         { HDA_CODEC_IDT92HD87B1_3, 0,   "IDT 92HD87B1/3" },
 252         { HDA_CODEC_IDT92HD87B2_4, 0,   "IDT 92HD87B2/4" },
 253         { HDA_CODEC_IDT92HD89C3, 0,     "IDT 92HD89C3" },
 254         { HDA_CODEC_IDT92HD89C2, 0,     "IDT 92HD89C2" },
 255         { HDA_CODEC_IDT92HD89C1, 0,     "IDT 92HD89C1" },
 256         { HDA_CODEC_IDT92HD89B3, 0,     "IDT 92HD89B3" },
 257         { HDA_CODEC_IDT92HD89B2, 0,     "IDT 92HD89B2" },
 258         { HDA_CODEC_IDT92HD89B1, 0,     "IDT 92HD89B1" },
 259         { HDA_CODEC_IDT92HD89E3, 0,     "IDT 92HD89E3" },
 260         { HDA_CODEC_IDT92HD89E2, 0,     "IDT 92HD89E2" },
 261         { HDA_CODEC_IDT92HD89E1, 0,     "IDT 92HD89E1" },
 262         { HDA_CODEC_IDT92HD89D3, 0,     "IDT 92HD89D3" },
 263         { HDA_CODEC_IDT92HD89D2, 0,     "IDT 92HD89D2" },
 264         { HDA_CODEC_IDT92HD89D1, 0,     "IDT 92HD89D1" },
 265         { HDA_CODEC_IDT92HD89F3, 0,     "IDT 92HD89F3" },
 266         { HDA_CODEC_IDT92HD89F2, 0,     "IDT 92HD89F2" },
 267         { HDA_CODEC_IDT92HD89F1, 0,     "IDT 92HD89F1" },
 268         { HDA_CODEC_IDT92HD90BXX, 0,    "IDT 92HD90BXX" },
 269         { HDA_CODEC_IDT92HD91BXX, 0,    "IDT 92HD91BXX" },
 270         { HDA_CODEC_IDT92HD93BXX, 0,    "IDT 92HD93BXX" },
 271         { HDA_CODEC_IDT92HD98BXX, 0,    "IDT 92HD98BXX" },
 272         { HDA_CODEC_IDT92HD99BXX, 0,    "IDT 92HD99BXX" },
 273         { HDA_CODEC_CX20549, 0,         "Conexant CX20549 (Venice)" },
 274         { HDA_CODEC_CX20551, 0,         "Conexant CX20551 (Waikiki)" },
 275         { HDA_CODEC_CX20561, 0,         "Conexant CX20561 (Hermosa)" },
 276         { HDA_CODEC_CX20582, 0,         "Conexant CX20582 (Pebble)" },
 277         { HDA_CODEC_CX20583, 0,         "Conexant CX20583 (Pebble HSF)" },
 278         { HDA_CODEC_CX20584, 0,         "Conexant CX20584" },
 279         { HDA_CODEC_CX20585, 0,         "Conexant CX20585" },
 280         { HDA_CODEC_CX20588, 0,         "Conexant CX20588" },
 281         { HDA_CODEC_CX20590, 0,         "Conexant CX20590" },
 282         { HDA_CODEC_CX20631, 0,         "Conexant CX20631" },
 283         { HDA_CODEC_CX20632, 0,         "Conexant CX20632" },
 284         { HDA_CODEC_CX20641, 0,         "Conexant CX20641" },
 285         { HDA_CODEC_CX20642, 0,         "Conexant CX20642" },
 286         { HDA_CODEC_CX20651, 0,         "Conexant CX20651" },
 287         { HDA_CODEC_CX20652, 0,         "Conexant CX20652" },
 288         { HDA_CODEC_CX20664, 0,         "Conexant CX20664" },
 289         { HDA_CODEC_CX20665, 0,         "Conexant CX20665" },
 290         { HDA_CODEC_CX21722, 0,         "Conexant CX21722" },
 291         { HDA_CODEC_CX20722, 0,         "Conexant CX20722" },
 292         { HDA_CODEC_CX21724, 0,         "Conexant CX21724" },
 293         { HDA_CODEC_CX20724, 0,         "Conexant CX20724" },
 294         { HDA_CODEC_CX20751, 0,         "Conexant CX20751/2" },
 295         { HDA_CODEC_CX20751_2, 0,               "Conexant CX20751/2" },
 296         { HDA_CODEC_CX20753, 0,         "Conexant CX20753/4" },
 297         { HDA_CODEC_CX20755, 0,         "Conexant CX20755" },
 298         { HDA_CODEC_CX20756, 0,         "Conexant CX20756" },
 299         { HDA_CODEC_CX20757, 0,         "Conexant CX20757" },
 300         { HDA_CODEC_CX20952, 0,         "Conexant CX20952" },
 301         { HDA_CODEC_VT1708_8, 0,        "VIA VT1708_8" },
 302         { HDA_CODEC_VT1708_9, 0,        "VIA VT1708_9" },
 303         { HDA_CODEC_VT1708_A, 0,        "VIA VT1708_A" },
 304         { HDA_CODEC_VT1708_B, 0,        "VIA VT1708_B" },
 305         { HDA_CODEC_VT1709_0, 0,        "VIA VT1709_0" },
 306         { HDA_CODEC_VT1709_1, 0,        "VIA VT1709_1" },
 307         { HDA_CODEC_VT1709_2, 0,        "VIA VT1709_2" },
 308         { HDA_CODEC_VT1709_3, 0,        "VIA VT1709_3" },
 309         { HDA_CODEC_VT1709_4, 0,        "VIA VT1709_4" },
 310         { HDA_CODEC_VT1709_5, 0,        "VIA VT1709_5" },
 311         { HDA_CODEC_VT1709_6, 0,        "VIA VT1709_6" },
 312         { HDA_CODEC_VT1709_7, 0,        "VIA VT1709_7" },
 313         { HDA_CODEC_VT1708B_0, 0,       "VIA VT1708B_0" },
 314         { HDA_CODEC_VT1708B_1, 0,       "VIA VT1708B_1" },
 315         { HDA_CODEC_VT1708B_2, 0,       "VIA VT1708B_2" },
 316         { HDA_CODEC_VT1708B_3, 0,       "VIA VT1708B_3" },
 317         { HDA_CODEC_VT1708B_4, 0,       "VIA VT1708B_4" },
 318         { HDA_CODEC_VT1708B_5, 0,       "VIA VT1708B_5" },
 319         { HDA_CODEC_VT1708B_6, 0,       "VIA VT1708B_6" },
 320         { HDA_CODEC_VT1708B_7, 0,       "VIA VT1708B_7" },
 321         { HDA_CODEC_VT1708S_0, 0,       "VIA VT1708S_0" },
 322         { HDA_CODEC_VT1708S_1, 0,       "VIA VT1708S_1" },
 323         { HDA_CODEC_VT1708S_2, 0,       "VIA VT1708S_2" },
 324         { HDA_CODEC_VT1708S_3, 0,       "VIA VT1708S_3" },
 325         { HDA_CODEC_VT1708S_4, 0,       "VIA VT1708S_4" },
 326         { HDA_CODEC_VT1708S_5, 0,       "VIA VT1708S_5" },
 327         { HDA_CODEC_VT1708S_6, 0,       "VIA VT1708S_6" },
 328         { HDA_CODEC_VT1708S_7, 0,       "VIA VT1708S_7" },
 329         { HDA_CODEC_VT1702_0, 0,        "VIA VT1702_0" },
 330         { HDA_CODEC_VT1702_1, 0,        "VIA VT1702_1" },
 331         { HDA_CODEC_VT1702_2, 0,        "VIA VT1702_2" },
 332         { HDA_CODEC_VT1702_3, 0,        "VIA VT1702_3" },
 333         { HDA_CODEC_VT1702_4, 0,        "VIA VT1702_4" },
 334         { HDA_CODEC_VT1702_5, 0,        "VIA VT1702_5" },
 335         { HDA_CODEC_VT1702_6, 0,        "VIA VT1702_6" },
 336         { HDA_CODEC_VT1702_7, 0,        "VIA VT1702_7" },
 337         { HDA_CODEC_VT1716S_0, 0,       "VIA VT1716S_0" },
 338         { HDA_CODEC_VT1716S_1, 0,       "VIA VT1716S_1" },
 339         { HDA_CODEC_VT1718S_0, 0,       "VIA VT1718S_0" },
 340         { HDA_CODEC_VT1718S_1, 0,       "VIA VT1718S_1" },
 341         { HDA_CODEC_VT1802_0, 0,        "VIA VT1802_0" },
 342         { HDA_CODEC_VT1802_1, 0,        "VIA VT1802_1" },
 343         { HDA_CODEC_VT1812, 0,          "VIA VT1812" },
 344         { HDA_CODEC_VT1818S, 0,         "VIA VT1818S" },
 345         { HDA_CODEC_VT1828S, 0,         "VIA VT1828S" },
 346         { HDA_CODEC_VT2002P_0, 0,       "VIA VT2002P_0" },
 347         { HDA_CODEC_VT2002P_1, 0,       "VIA VT2002P_1" },
 348         { HDA_CODEC_VT2020, 0,          "VIA VT2020" },
 349         { HDA_CODEC_ATIRS600_1, 0,      "ATI RS600" },
 350         { HDA_CODEC_ATIRS600_2, 0,      "ATI RS600" },
 351         { HDA_CODEC_ATIRS690, 0,        "ATI RS690/780" },
 352         { HDA_CODEC_ATIR6XX, 0,         "ATI R6xx" },
 353         { HDA_CODEC_NVIDIAMCP67, 0,     "NVIDIA MCP67" },
 354         { HDA_CODEC_NVIDIAMCP73, 0,     "NVIDIA MCP73" },
 355         { HDA_CODEC_NVIDIAMCP78, 0,     "NVIDIA MCP78" },
 356         { HDA_CODEC_NVIDIAMCP78_2, 0,   "NVIDIA MCP78" },
 357         { HDA_CODEC_NVIDIAMCP78_3, 0,   "NVIDIA MCP78" },
 358         { HDA_CODEC_NVIDIAMCP78_4, 0,   "NVIDIA MCP78" },
 359         { HDA_CODEC_NVIDIAMCP7A, 0,     "NVIDIA MCP7A" },
 360         { HDA_CODEC_NVIDIAGT220, 0,     "NVIDIA GT220" },
 361         { HDA_CODEC_NVIDIAGT21X, 0,     "NVIDIA GT21x" },
 362         { HDA_CODEC_NVIDIAMCP89, 0,     "NVIDIA MCP89" },
 363         { HDA_CODEC_NVIDIAGT240, 0,     "NVIDIA GT240" },
 364         { HDA_CODEC_NVIDIAGTS450, 0,    "NVIDIA GTS450" },
 365         { HDA_CODEC_NVIDIAGT440, 0,     "NVIDIA GT440" },
 366         { HDA_CODEC_NVIDIAGTX550, 0,    "NVIDIA GTX550" },
 367         { HDA_CODEC_NVIDIAGTX570, 0,    "NVIDIA GTX570" },
 368         { HDA_CODEC_NVIDIATEGRA30, 0,   "NVIDIA Tegra30" },
 369         { HDA_CODEC_NVIDIATEGRA114, 0,  "NVIDIA Tegra114" },
 370         { HDA_CODEC_NVIDIATEGRA124, 0,  "NVIDIA Tegra124" },
 371         { HDA_CODEC_NVIDIATEGRA210, 0,  "NVIDIA Tegra210" },
 372         { HDA_CODEC_INTELIP, 0,         "Intel Ibex Peak" },
 373         { HDA_CODEC_INTELBL, 0,         "Intel Bearlake" },
 374         { HDA_CODEC_INTELCA, 0,         "Intel Cantiga" },
 375         { HDA_CODEC_INTELEL, 0,         "Intel Eaglelake" },
 376         { HDA_CODEC_INTELIP2, 0,        "Intel Ibex Peak" },
 377         { HDA_CODEC_INTELCPT, 0,        "Intel Cougar Point" },
 378         { HDA_CODEC_INTELPPT, 0,        "Intel Panther Point" },
 379         { HDA_CODEC_INTELHSW, 0,        "Intel Haswell" },
 380         { HDA_CODEC_INTELBDW, 0,        "Intel Broadwell" },
 381         { HDA_CODEC_INTELSKLK, 0,       "Intel Skylake" },
 382         { HDA_CODEC_INTELKBLK, 0,       "Intel Kaby Lake" },
 383         { HDA_CODEC_INTELJLK, 0,        "Intel Jasper Lake" },
 384         { HDA_CODEC_INTELELLK, 0,       "Intel Elkhart Lake" },
 385         { HDA_CODEC_INTELCT, 0,         "Intel CedarTrail" },
 386         { HDA_CODEC_INTELVV2, 0,        "Intel Valleyview2" },
 387         { HDA_CODEC_INTELBR, 0,         "Intel Braswell" },
 388         { HDA_CODEC_INTELCL, 0,         "Intel Crestline" },
 389         { HDA_CODEC_INTELBXTN, 0,       "Intel Broxton" },
 390         { HDA_CODEC_INTELCNLK, 0,       "Intel Cannonlake" },
 391         { HDA_CODEC_INTELGMLK, 0,       "Intel Geminilake" },
 392         { HDA_CODEC_INTELGMLK1, 0,      "Intel Geminilake" },
 393         { HDA_CODEC_INTELICLK, 0,       "Intel Icelake" },
 394         { HDA_CODEC_INTELTGLK, 0,       "Intel Tigerlake" },
 395         { HDA_CODEC_SII1390, 0,         "Silicon Image SiI1390" },
 396         { HDA_CODEC_SII1392, 0,         "Silicon Image SiI1392" },
 397         /* Unknown CODECs */
 398         { HDA_CODEC_ADXXXX, 0,          "Analog Devices" },
 399         { HDA_CODEC_AGEREXXXX, 0,       "Lucent/Agere Systems" },
 400         { HDA_CODEC_ALCXXXX, 0,         "Realtek" },
 401         { HDA_CODEC_ATIXXXX, 0,         "ATI" },
 402         { HDA_CODEC_CAXXXX, 0,          "Creative" },
 403         { HDA_CODEC_CMIXXXX, 0,         "CMedia" },
 404         { HDA_CODEC_CMIXXXX2, 0,        "CMedia" },
 405         { HDA_CODEC_CSXXXX, 0,          "Cirrus Logic" },
 406         { HDA_CODEC_CXXXXX, 0,          "Conexant" },
 407         { HDA_CODEC_CHXXXX, 0,          "Chrontel" },
 408         { HDA_CODEC_IDTXXXX, 0,         "IDT" },
 409         { HDA_CODEC_INTELXXXX, 0,       "Intel" },
 410         { HDA_CODEC_MOTOXXXX, 0,        "Motorola" },
 411         { HDA_CODEC_NVIDIAXXXX, 0,      "NVIDIA" },
 412         { HDA_CODEC_SIIXXXX, 0,         "Silicon Image" },
 413         { HDA_CODEC_STACXXXX, 0,        "Sigmatel" },
 414         { HDA_CODEC_VTXXXX, 0,          "VIA" },
 415 };
 416
 417 static int
 418 hdacc_suspend(device_t dev)
 419 {
 420
 421         HDA_BOOTHVERBOSE(
 422                 device_printf(dev, "Suspend...\n");
 423         );
 424         bus_generic_suspend(dev);
 425         HDA_BOOTHVERBOSE(
 426                 device_printf(dev, "Suspend done\n");
 427         );
 428         return (0);
 429 }
 430
 431 static int
 432 hdacc_resume(device_t dev)
 433 {
 434
 435         HDA_BOOTHVERBOSE(
 436                 device_printf(dev, "Resume...\n");
 437         );
 438         bus_generic_resume(dev);
 439         HDA_BOOTHVERBOSE(
 440                 device_printf(dev, "Resume done\n");
 441         );
 442         return (0);
 443 }
 444
 445 static int
 446 hdacc_probe(device_t dev)
 447 {
 448         uint32_t id, revid;
 449         char buf[128];
 450         int i;
 451
 452         id = ((uint32_t)hda_get_vendor_id(dev) << 16) + hda_get_device_id(dev);
 453         revid = ((uint32_t)hda_get_revision_id(dev) << 8) +
 454             hda_get_stepping_id(dev);
 455
 456         for (i = 0; i < nitems(hdacc_codecs); i++) {
 457                 if (!HDA_DEV_MATCH(hdacc_codecs[i].id, id))
 458                         continue;
 459                 if (hdacc_codecs[i].revid != 0 &&
 460                     hdacc_codecs[i].revid != revid)
 461                         continue;
 462                 break;
 463         }
 464         if (i < nitems(hdacc_codecs)) {
 465                 if ((hdacc_codecs[i].id & 0xffff) != 0xffff)
 466                         strlcpy(buf, hdacc_codecs[i].name, sizeof(buf));
 467                 else
 468                         snprintf(buf, sizeof(buf), "%s (0x%04x)",
 469                             hdacc_codecs[i].name, hda_get_device_id(dev));
 470         } else
 471                 snprintf(buf, sizeof(buf), "Generic (0x%04x)", id);
 472         strlcat(buf, " HDA CODEC", sizeof(buf));
 473         device_set_desc_copy(dev, buf);
 474         return (BUS_PROBE_DEFAULT);
 475 }
 476
 477 static int
 478 hdacc_attach(device_t dev)
 479 {
 480         struct hdacc_softc *codec = device_get_softc(dev);
 481         device_t child;
 482         int cad = (intptr_t)device_get_ivars(dev);
 483         uint32_t subnode;
 484         int startnode;
 485         int endnode;
 486         int i, n;
 487
 488         codec->lock = HDAC_GET_MTX(device_get_parent(dev), dev);
 489         codec->dev = dev;
 490         codec->cad = cad;
 491
 492         hdacc_lock(codec);
 493         subnode = hda_command(dev,
 494             HDA_CMD_GET_PARAMETER(0, 0x0, HDA_PARAM_SUB_NODE_COUNT));
 495         hdacc_unlock(codec);
 496         if (subnode == HDA_INVALID)
 497                 return (EIO);
 498         codec->fgcnt = HDA_PARAM_SUB_NODE_COUNT_TOTAL(subnode);
 499         startnode = HDA_PARAM_SUB_NODE_COUNT_START(subnode);
 500         endnode = startnode + codec->fgcnt;
 501
 502         HDA_BOOTHVERBOSE(
 503                 device_printf(dev,
 504                     "Root Node at nid=0: %d subnodes %d-%d\n",
 505                     HDA_PARAM_SUB_NODE_COUNT_TOTAL(subnode),
 506                     startnode, endnode - 1);
 507         );
 508
 509         codec->fgs = malloc(sizeof(struct hdacc_fg) * codec->fgcnt,
 510             M_HDACC, M_ZERO | M_WAITOK);
 511         for (i = startnode, n = 0; i < endnode; i++, n++) {
 512                 codec->fgs[n].nid = i;
 513                 hdacc_lock(codec);
 514                 codec->fgs[n].type =
 515                     HDA_PARAM_FCT_GRP_TYPE_NODE_TYPE(hda_command(dev,
 516                     HDA_CMD_GET_PARAMETER(0, i, HDA_PARAM_FCT_GRP_TYPE)));
 517                 codec->fgs[n].subsystem_id = hda_command(dev,
 518                     HDA_CMD_GET_SUBSYSTEM_ID(0, i));
 519                 hdacc_unlock(codec);
 520                 codec->fgs[n].dev = child = device_add_child(dev, NULL, -1);
 521                 if (child == NULL) {
 522                         device_printf(dev, "Failed to add function device\n");
 523                         continue;
 524                 }
 525                 device_set_ivars(child, &codec->fgs[n]);
 526         }
 527
 528         bus_generic_attach(dev);
 529
 530         return (0);
 531 }
 532
 533 static int
 534 hdacc_detach(device_t dev)
 535 {
 536         struct hdacc_softc *codec = device_get_softc(dev);
 537         int error;
 538
 539         error = device_delete_children(dev);
 540         free(codec->fgs, M_HDACC);
 541         return (error);
 542 }
 543
 544 static int
 545 hdacc_child_location_str(device_t dev, device_t child, char *buf, size_t buflen)
 546 {
 547         struct hdacc_fg *fg = device_get_ivars(child);
 548
 549         snprintf(buf, buflen, "nid=%d", fg->nid);
 550         return (0);
 551 }
 552
 553 static int
 554 hdacc_child_pnpinfo_str_method(device_t dev, device_t child, char *buf,
 555     size_t buflen)
 556 {
 557         struct hdacc_fg *fg = device_get_ivars(child);
 558
 559         snprintf(buf, buflen, "type=0x%02x subsystem=0x%08x",
 560             fg->type, fg->subsystem_id);
 561         return (0);
 562 }
 563
 564 static int
 565 hdacc_print_child(device_t dev, device_t child)
 566 {
 567         struct hdacc_fg *fg = device_get_ivars(child);
 568         int retval;
 569
 570         retval = bus_print_child_header(dev, child);
 571         retval += printf(" at nid %d", fg->nid);
 572         retval += bus_print_child_footer(dev, child);
 573
 574         return (retval);
 575 }
 576
 577 static void
 578 hdacc_probe_nomatch(device_t dev, device_t child)
 579 {
 580         struct hdacc_softc *codec = device_get_softc(dev);
 581         struct hdacc_fg *fg = device_get_ivars(child);
 582
 583         device_printf(child, "<%s %s Function Group> at nid %d on %s "
 584             "(no driver attached)\n",
 585             device_get_desc(dev),
 586             fg->type == HDA_PARAM_FCT_GRP_TYPE_NODE_TYPE_AUDIO ? "Audio" :
 587             (fg->type == HDA_PARAM_FCT_GRP_TYPE_NODE_TYPE_MODEM ? "Modem" :
 588             "Unknown"), fg->nid, device_get_nameunit(dev));
 589         HDA_BOOTVERBOSE(
 590                 device_printf(dev, "Subsystem ID: 0x%08x\n",
 591                     hda_get_subsystem_id(dev));
 592         );
 593         HDA_BOOTHVERBOSE(
 594                 device_printf(dev, "Power down FG nid=%d to the D3 state...\n",
 595                     fg->nid);
 596         );
 597         hdacc_lock(codec);
 598         hda_command(dev, HDA_CMD_SET_POWER_STATE(0,
 599             fg->nid, HDA_CMD_POWER_STATE_D3));
 600         hdacc_unlock(codec);
 601 }
 602
 603 static int
 604 hdacc_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
 605 {
 606         struct hdacc_fg *fg = device_get_ivars(child);
 607
 608         switch (which) {
 609         case HDA_IVAR_NODE_ID:
 610                 *result = fg->nid;
 611                 break;
 612         case HDA_IVAR_NODE_TYPE:
 613                 *result = fg->type;
 614                 break;
 615         case HDA_IVAR_SUBSYSTEM_ID:
 616                 *result = fg->subsystem_id;
 617                 break;
 618         default:
 619                 return(BUS_READ_IVAR(device_get_parent(dev), dev,
 620                     which, result));
 621         }
 622         return (0);
 623 }
 624
 625 static struct mtx *
 626 hdacc_get_mtx(device_t dev, device_t child)
 627 {
 628         struct hdacc_softc *codec = device_get_softc(dev);
 629
 630         return (codec->lock);
 631 }
 632
 633 static uint32_t
 634 hdacc_codec_command(device_t dev, device_t child, uint32_t verb)
 635 {
 636
 637         return (HDAC_CODEC_COMMAND(device_get_parent(dev), dev, verb));
 638 }
 639
 640 static int
 641 hdacc_stream_alloc(device_t dev, device_t child, int dir, int format,
 642     int stripe, uint32_t **dmapos)
 643 {
 644         struct hdacc_softc *codec = device_get_softc(dev);
 645         int stream;
 646
 647         stream = HDAC_STREAM_ALLOC(device_get_parent(dev), dev,
 648             dir, format, stripe, dmapos);
 649         if (stream > 0)
 650                 codec->streams[dir][stream] = child;
 651         return (stream);
 652 }
 653
 654 static void
 655 hdacc_stream_free(device_t dev, device_t child, int dir, int stream)
 656 {
 657         struct hdacc_softc *codec = device_get_softc(dev);
 658
 659         codec->streams[dir][stream] = NULL;
 660         HDAC_STREAM_FREE(device_get_parent(dev), dev, dir, stream);
 661 }
 662
 663 static int
 664 hdacc_stream_start(device_t dev, device_t child, int dir, int stream,
 665     bus_addr_t buf, int blksz, int blkcnt)
 666 {
 667
 668         return (HDAC_STREAM_START(device_get_parent(dev), dev,
 669             dir, stream, buf, blksz, blkcnt));
 670 }
 671
 672 static void
 673 hdacc_stream_stop(device_t dev, device_t child, int dir, int stream)
 674 {
 675
 676         HDAC_STREAM_STOP(device_get_parent(dev), dev, dir, stream);
 677 }
 678
 679 static void
 680 hdacc_stream_reset(device_t dev, device_t child, int dir, int stream)
 681 {
 682
 683         HDAC_STREAM_RESET(device_get_parent(dev), dev, dir, stream);
 684 }
 685
 686 static uint32_t
 687 hdacc_stream_getptr(device_t dev, device_t child, int dir, int stream)
 688 {
 689
 690         return (HDAC_STREAM_GETPTR(device_get_parent(dev), dev, dir, stream));
 691 }
 692
 693 static void
 694 hdacc_stream_intr(device_t dev, int dir, int stream)
 695 {
 696         struct hdacc_softc *codec = device_get_softc(dev);
 697         device_t child;
 698
 699         if ((child = codec->streams[dir][stream]) != NULL)
 700                 HDAC_STREAM_INTR(child, dir, stream);
 701 }
 702
 703 static int
 704 hdacc_unsol_alloc(device_t dev, device_t child, int wanted)
 705 {
 706         struct hdacc_softc *codec = device_get_softc(dev);
 707         int tag;
 708
 709         wanted &= 0x3f;
 710         tag = wanted;
 711         do {
 712                 if (codec->tags[tag] == NULL) {
 713                         codec->tags[tag] = child;
 714                         HDAC_UNSOL_ALLOC(device_get_parent(dev), dev, tag);
 715                         return (tag);
 716                 }
 717                 tag++;
 718                 tag &= 0x3f;
 719         } while (tag != wanted);
 720         return (-1);
 721 }
 722
 723 static void
 724 hdacc_unsol_free(device_t dev, device_t child, int tag)
 725 {
 726         struct hdacc_softc *codec = device_get_softc(dev);
 727
 728         KASSERT(tag >= 0 && tag <= 0x3f, ("Wrong tag value %d\n", tag));
 729         codec->tags[tag] = NULL;
 730         HDAC_UNSOL_FREE(device_get_parent(dev), dev, tag);
 731 }
 732
 733 static void
 734 hdacc_unsol_intr(device_t dev, uint32_t resp)
 735 {
 736         struct hdacc_softc *codec = device_get_softc(dev);
 737         device_t child;
 738         int tag;
 739
 740         tag = resp >> 26;
 741         if ((child = codec->tags[tag]) != NULL)
 742                 HDAC_UNSOL_INTR(child, resp);
 743         else
 744                 device_printf(codec->dev, "Unexpected unsolicited "
 745                     "response with tag %d: %08x\n", tag, resp);
 746 }
 747
 748 static void
 749 hdacc_pindump(device_t dev)
 750 {
 751         device_t *devlist;
 752         int devcount, i;
 753
 754         if (device_get_children(dev, &devlist, &devcount) != 0)
 755                 return;
 756         for (i = 0; i < devcount; i++)
 757                 HDAC_PINDUMP(devlist[i]);
 758         free(devlist, M_TEMP);
 759 }
 760
 761 static device_method_t hdacc_methods[] = {
 762         /* device interface */
 763         DEVMETHOD(device_probe,         hdacc_probe),
 764         DEVMETHOD(device_attach,        hdacc_attach),
 765         DEVMETHOD(device_detach,        hdacc_detach),
 766         DEVMETHOD(device_suspend,       hdacc_suspend),
 767         DEVMETHOD(device_resume,        hdacc_resume),
 768         /* Bus interface */
 769         DEVMETHOD(bus_child_location_str, hdacc_child_location_str),
 770         DEVMETHOD(bus_child_pnpinfo_str, hdacc_child_pnpinfo_str_method),
 771         DEVMETHOD(bus_print_child,      hdacc_print_child),
 772         DEVMETHOD(bus_probe_nomatch,    hdacc_probe_nomatch),
 773         DEVMETHOD(bus_read_ivar,        hdacc_read_ivar),
 774         DEVMETHOD(hdac_get_mtx,         hdacc_get_mtx),
 775         DEVMETHOD(hdac_codec_command,   hdacc_codec_command),
 776         DEVMETHOD(hdac_stream_alloc,    hdacc_stream_alloc),
 777         DEVMETHOD(hdac_stream_free,     hdacc_stream_free),
 778         DEVMETHOD(hdac_stream_start,    hdacc_stream_start),
 779         DEVMETHOD(hdac_stream_stop,     hdacc_stream_stop),
 780         DEVMETHOD(hdac_stream_reset,    hdacc_stream_reset),
 781         DEVMETHOD(hdac_stream_getptr,   hdacc_stream_getptr),
 782         DEVMETHOD(hdac_stream_intr,     hdacc_stream_intr),
 783         DEVMETHOD(hdac_unsol_alloc,     hdacc_unsol_alloc),
 784         DEVMETHOD(hdac_unsol_free,      hdacc_unsol_free),
 785         DEVMETHOD(hdac_unsol_intr,      hdacc_unsol_intr),
 786         DEVMETHOD(hdac_pindump,         hdacc_pindump),
 787         DEVMETHOD_END
 788 };
 789
 790 static driver_t hdacc_driver = {
 791         "hdacc",
 792         hdacc_methods,
 793         sizeof(struct hdacc_softc),
 794 };
 795
 796 static devclass_t hdacc_devclass;
 797
 798 DRIVER_MODULE(snd_hda, hdac, hdacc_driver, hdacc_devclass, NULL, NULL);