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

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