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  * Copyright 2002 FreeBSD, Inc. All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   23  * SUCH DAMAGE.
   24  *
   25  * $FreeBSD: src/sys/dev/sound/pcm/ac97_patch.c,v 1.3.2.5 2007/10/31 03:59:24 ariff Exp $
   26  * $DragonFly: src/sys/dev/sound/pcm/ac97_patch.c,v 1.7 2007/11/30 07:57:20 hasso Exp $
   27  */
   28 
   29 #include <dev/sound/pcm/sound.h>
   30 #include <dev/sound/pcm/ac97.h>
   31 #include <dev/sound/pcm/ac97_patch.h>
   32 
   33 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/pcm/ac97_patch.c,v 1.7 2007/11/30 07:57:20 hasso Exp $");
   34 
   35 void ad1886_patch(struct ac97_info* codec)
   36 {
   37 #define AC97_AD_JACK_SPDIF 0x72
   38         /*
   39          *    Presario700 workaround
   40          *     for Jack Sense/SPDIF Register misetting causing
   41          *    no audible output
   42          *    by Santiago Nullo 04/05/2002
   43          */
   44         ac97_wrcd(codec, AC97_AD_JACK_SPDIF, 0x0010);
   45 }
   46 
   47 void ad198x_patch(struct ac97_info* codec)
   48 {
   49         switch (ac97_getsubvendor(codec)) {
   50         case 0x11931043:        /* Not for ASUS A9T (probably else too). */
   51                 break;
   52         default:
   53                 ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0420);
   54                 break;
   55         }
   56 }
   57 
   58 void ad1981b_patch(struct ac97_info* codec)
   59 {
   60         /*
   61          * Enable headphone jack sensing.
   62          */
   63         switch (ac97_getsubvendor(codec)) {
   64         case 0x02d91014:        /* IBM Thinkcentre */
   65         case 0x099c103c:        /* HP nx6110 */
   66                 ac97_wrcd(codec, AC97_AD_JACK_SPDIF,
   67                     ac97_rdcd(codec, AC97_AD_JACK_SPDIF) | 0x0800);
   68                 break;
   69         default:
   70                 break;
   71         }
   72 }
   73 
   74 void cmi9739_patch(struct ac97_info* codec)
   75 {
   76         /*
   77          * Few laptops need extra register initialization
   78          * to power up the internal speakers.
   79          */
   80         switch (ac97_getsubvendor(codec)) {
   81         case 0x18431043:        /* ASUS W1000N */
   82                 ac97_wrcd(codec, AC97_REG_POWER, 0x000f);
   83                 ac97_wrcd(codec, AC97_MIXEXT_CLFE, 0x0000);
   84                 ac97_wrcd(codec, 0x64, 0x7110);
   85                 break;
   86         default:
   87                 break;
   88         }
   89 }
   90 
   91 void alc655_patch(struct ac97_info* codec)
   92 {
   93         /*
   94          * MSI (Micro-Star International) specific EAPD quirk.
   95          */
   96         switch (ac97_getsubvendor(codec)) {
   97         case 0x00611462:        /* MSI S250 */
   98         case 0x01311462:        /* MSI S270 */
   99         case 0x01611462:        /* LG K1 Express */
  100         case 0x03511462:        /* MSI L725 */
  101                 ac97_wrcd(codec, 0x7a, ac97_rdcd(codec, 0x7a) & 0xfffd);
  102                 break;
  103         case 0x10ca1734:
  104                 /*
  105                  * Amilo Pro V2055 with ALC655 has phone out by default
  106                  * disabled (surround on), leaving us only with internal
  107                  * speakers. This should really go to mixer. We write the
  108                  * Data Flow Control reg.
  109                  */
  110                 ac97_wrcd(codec, 0x6a, ac97_rdcd(codec, 0x6a) | 0x0001);
  111                 break;
  112         default:
  113                 break;
  114         }
  115 }

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