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 #ifdef HAVE_KERNEL_OPTION_HEADERS
   28 #include "opt_snd.h"
   29 #endif
   30 
   31 #include <dev/sound/pcm/sound.h>
   32 #include <dev/sound/pcm/ac97.h>
   33 #include <dev/sound/pcm/ac97_patch.h>
   34 
   35 SND_DECLARE_FILE("$FreeBSD: releng/8.2/sys/dev/sound/pcm/ac97_patch.c 193640 2009-06-07 19:12:08Z ariff $");
   36 
   37 void ad1886_patch(struct ac97_info* codec)
   38 {
   39 #define AC97_AD_JACK_SPDIF 0x72
   40         /*
   41          *    Presario700 workaround
   42          *     for Jack Sense/SPDIF Register misetting causing
   43          *    no audible output
   44          *    by Santiago Nullo 04/05/2002
   45          */
   46         ac97_wrcd(codec, AC97_AD_JACK_SPDIF, 0x0010);
   47 }
   48 
   49 void ad198x_patch(struct ac97_info* codec)
   50 {
   51         switch (ac97_getsubvendor(codec)) {
   52         case 0x11931043:        /* Not for ASUS A9T (probably else too). */
   53                 break;
   54         default:
   55                 ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0420);
   56                 break;
   57         }
   58 }
   59 
   60 void ad1981b_patch(struct ac97_info* codec)
   61 {
   62         /*
   63          * Enable headphone jack sensing.
   64          */
   65         switch (ac97_getsubvendor(codec)) {
   66         case 0x02d91014:        /* IBM Thinkcentre */
   67         case 0x099c103c:        /* HP nx6110 */
   68                 ac97_wrcd(codec, AC97_AD_JACK_SPDIF,
   69                     ac97_rdcd(codec, AC97_AD_JACK_SPDIF) | 0x0800);
   70                 break;
   71         default:
   72                 break;
   73         }
   74 }
   75 
   76 void cmi9739_patch(struct ac97_info* codec)
   77 {
   78         /*
   79          * Few laptops need extra register initialization
   80          * to power up the internal speakers.
   81          */
   82         switch (ac97_getsubvendor(codec)) {
   83         case 0x18431043:        /* ASUS W1000N */
   84                 ac97_wrcd(codec, AC97_REG_POWER, 0x000f);
   85                 ac97_wrcd(codec, AC97_MIXEXT_CLFE, 0x0000);
   86                 ac97_wrcd(codec, 0x64, 0x7110);
   87                 break;
   88         default:
   89                 break;
   90         }
   91 }
   92 
   93 void alc655_patch(struct ac97_info* codec)
   94 {
   95         /*
   96          * MSI (Micro-Star International) specific EAPD quirk.
   97          */
   98         switch (ac97_getsubvendor(codec)) {
   99         case 0x00611462:        /* MSI S250 */
  100         case 0x01311462:        /* MSI S270 */
  101         case 0x01611462:        /* LG K1 Express */
  102         case 0x03511462:        /* MSI L725 */
  103                 ac97_wrcd(codec, 0x7a, ac97_rdcd(codec, 0x7a) & 0xfffd);
  104                 break;
  105         case 0x10ca1734:
  106                 /*
  107                  * Amilo Pro V2055 with ALC655 has phone out by default
  108                  * disabled (surround on), leaving us only with internal
  109                  * speakers. This should really go to mixer. We write the
  110                  * Data Flow Control reg.
  111                  */
  112                 ac97_wrcd(codec, 0x6a, ac97_rdcd(codec, 0x6a) | 0x0001);
  113                 break;
  114         default:
  115                 break;
  116         }
  117 }

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