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 
   26 #include <dev/sound/pcm/sound.h>
   27 #include <dev/sound/pcm/ac97.h>
   28 #include <dev/sound/pcm/ac97_patch.h>
   29 
   30 SND_DECLARE_FILE("$FreeBSD$");
   31 
   32 void ad1886_patch(struct ac97_info* codec)
   33 {
   34 #define AC97_AD_JACK_SPDIF 0x72
   35         /*
   36          *    Presario700 workaround
   37          *     for Jack Sense/SPDIF Register misetting causing
   38          *    no audible output
   39          *    by Santiago Nullo 04/05/2002
   40          */
   41         ac97_wrcd(codec, AC97_AD_JACK_SPDIF, 0x0010);
   42 }
   43 
   44 void ad198x_patch(struct ac97_info* codec)
   45 {
   46         switch (ac97_getsubvendor(codec)) {
   47         case 0x11931043:        /* Not for ASUS A9T (probably else too). */
   48                 break;
   49         default:
   50                 ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0420);
   51                 break;
   52         }
   53 }
   54 
   55 void ad1981b_patch(struct ac97_info* codec)
   56 {
   57         /*
   58          * Enable headphone jack sensing.
   59          */
   60         switch (ac97_getsubvendor(codec)) {
   61         case 0x02d91014:        /* IBM Thinkcentre */
   62         case 0x099c103c:        /* HP nx6110 */
   63                 ac97_wrcd(codec, AC97_AD_JACK_SPDIF,
   64                     ac97_rdcd(codec, AC97_AD_JACK_SPDIF) | 0x0800);
   65                 break;
   66         default:
   67                 break;
   68         }
   69 }
   70 
   71 void cmi9739_patch(struct ac97_info* codec)
   72 {
   73         /*
   74          * Few laptops need extra register initialization
   75          * to power up the internal speakers.
   76          */
   77         switch (ac97_getsubvendor(codec)) {
   78         case 0x18431043:        /* ASUS W1000N */
   79                 ac97_wrcd(codec, AC97_REG_POWER, 0x000f);
   80                 ac97_wrcd(codec, AC97_MIXEXT_CLFE, 0x0000);
   81                 ac97_wrcd(codec, 0x64, 0x7110);
   82                 break;
   83         default:
   84                 break;
   85         }
   86 }
   87 
   88 void alc655_patch(struct ac97_info* codec)
   89 {
   90         /*
   91          * MSI (Micro-Star International) specific EAPD quirk.
   92          */
   93         switch (ac97_getsubvendor(codec)) {
   94         case 0x00611462:        /* MSI S250 */
   95         case 0x01311462:        /* MSI S270 */
   96         case 0x01611462:        /* LG K1 Express */
   97         case 0x03511462:        /* MSI L725 */
   98                 ac97_wrcd(codec, 0x7a, ac97_rdcd(codec, 0x7a) & 0xfffd);
   99                 break;
  100         case 0x10ca1734:
  101                 /*
  102                  * Amilo Pro V2055 with ALC655 has phone out by default
  103                  * disabled (surround on), leaving us only with internal
  104                  * speakers. This should really go to mixer. We write the
  105                  * Data Flow Control reg.
  106                  */
  107                 ac97_wrcd(codec, 0x6a, ac97_rdcd(codec, 0x6a) | 0x0001);
  108                 break;
  109         default:
  110                 break;
  111         }
  112 }

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