The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/pcm/ac97_patch.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2002 Orion Hodson
    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 AND CONTRIBUTORS ``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 #ifdef HAVE_KERNEL_OPTION_HEADERS
   30 #include "opt_snd.h"
   31 #endif
   32 
   33 #include <dev/sound/pcm/sound.h>
   34 #include <dev/sound/pcm/ac97.h>
   35 #include <dev/sound/pcm/ac97_patch.h>
   36 
   37 SND_DECLARE_FILE("$FreeBSD: stable/12/sys/dev/sound/pcm/ac97_patch.c 326255 2017-11-27 14:52:40Z pfg $");
   38 
   39 void ad1886_patch(struct ac97_info* codec)
   40 {
   41 #define AC97_AD_JACK_SPDIF 0x72
   42         /*
   43          *    Presario700 workaround
   44          *     for Jack Sense/SPDIF Register misetting causing
   45          *    no audible output
   46          *    by Santiago Nullo 04/05/2002
   47          */
   48         ac97_wrcd(codec, AC97_AD_JACK_SPDIF, 0x0010);
   49 }
   50 
   51 void ad198x_patch(struct ac97_info* codec)
   52 {
   53         switch (ac97_getsubvendor(codec)) {
   54         case 0x11931043:        /* Not for ASUS A9T (probably else too). */
   55                 break;
   56         default:
   57                 ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0420);
   58                 break;
   59         }
   60 }
   61 
   62 void ad1981b_patch(struct ac97_info* codec)
   63 {
   64         /*
   65          * Enable headphone jack sensing.
   66          */
   67         switch (ac97_getsubvendor(codec)) {
   68         case 0x02d91014:        /* IBM Thinkcentre */
   69         case 0x099c103c:        /* HP nx6110 */
   70                 ac97_wrcd(codec, AC97_AD_JACK_SPDIF,
   71                     ac97_rdcd(codec, AC97_AD_JACK_SPDIF) | 0x0800);
   72                 break;
   73         default:
   74                 break;
   75         }
   76 }
   77 
   78 void cmi9739_patch(struct ac97_info* codec)
   79 {
   80         /*
   81          * Few laptops need extra register initialization
   82          * to power up the internal speakers.
   83          */
   84         switch (ac97_getsubvendor(codec)) {
   85         case 0x18431043:        /* ASUS W1000N */
   86                 ac97_wrcd(codec, AC97_REG_POWER, 0x000f);
   87                 ac97_wrcd(codec, AC97_MIXEXT_CLFE, 0x0000);
   88                 ac97_wrcd(codec, 0x64, 0x7110);
   89                 break;
   90         default:
   91                 break;
   92         }
   93 }
   94 
   95 void alc655_patch(struct ac97_info* codec)
   96 {
   97         /*
   98          * MSI (Micro-Star International) specific EAPD quirk.
   99          */
  100         switch (ac97_getsubvendor(codec)) {
  101         case 0x00611462:        /* MSI S250 */
  102         case 0x01311462:        /* MSI S270 */
  103         case 0x01611462:        /* LG K1 Express */
  104         case 0x03511462:        /* MSI L725 */
  105                 ac97_wrcd(codec, 0x7a, ac97_rdcd(codec, 0x7a) & 0xfffd);
  106                 break;
  107         case 0x10ca1734:
  108                 /*
  109                  * Amilo Pro V2055 with ALC655 has phone out by default
  110                  * disabled (surround on), leaving us only with internal
  111                  * speakers. This should really go to mixer. We write the
  112                  * Data Flow Control reg.
  113                  */
  114                 ac97_wrcd(codec, 0x6a, ac97_rdcd(codec, 0x6a) | 0x0001);
  115                 break;
  116         default:
  117                 break;
  118         }
  119 }

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