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/channel_if.m

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    1 # KOBJ
    2 #
    3 # Copyright (c) 2000 Cameron Grant <cg@freebsd.org>
    4 # All rights reserved.
    5 #
    6 # Redistribution and use in source and binary forms, with or without
    7 # modification, are permitted provided that the following conditions
    8 # are met:
    9 # 1. Redistributions of source code must retain the above copyright
   10 #    notice, this list of conditions and the following disclaimer.
   11 # 2. Redistributions in binary form must reproduce the above copyright
   12 #    notice, this list of conditions and the following disclaimer in the
   13 #    documentation and/or other materials provided with the distribution.
   14 #
   15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25 # SUCH DAMAGE.
   26 #
   27 # $FreeBSD: releng/5.2/sys/dev/sound/pcm/channel_if.m 77269 2001-05-27 17:22:00Z cg $
   28 #
   29 
   30 #include <dev/sound/pcm/sound.h>
   31 
   32 INTERFACE channel;
   33 
   34 CODE {
   35 
   36         static int
   37         channel_nosetdir(kobj_t obj, void *data, int dir)
   38         {
   39                 return 0;
   40         }
   41 
   42         static int
   43         channel_noreset(kobj_t obj, void *data)
   44         {
   45                 return 0;
   46         }
   47 
   48         static int
   49         channel_noresetdone(kobj_t obj, void *data)
   50         {
   51                 return 0;
   52         }
   53 
   54         static int
   55         channel_nofree(kobj_t obj, void *data)
   56         {
   57                 return 1;
   58         }
   59 
   60         static u_int32_t
   61         channel_nogetptr(kobj_t obj, void *data)
   62         {
   63                 return 0;
   64         }
   65 
   66         static int
   67         channel_nonotify(kobj_t obj, void *data, u_int32_t changed)
   68         {
   69                 return 0;
   70         }
   71 
   72 };
   73 
   74 METHOD void* init {
   75         kobj_t obj;
   76         void *devinfo;
   77         struct snd_dbuf *b;
   78         struct pcm_channel *c;
   79         int dir;
   80 };
   81 
   82 METHOD int free {
   83         kobj_t obj;
   84         void *data;
   85 } DEFAULT channel_nofree;
   86 
   87 METHOD int reset {
   88         kobj_t obj;
   89         void *data;
   90 } DEFAULT channel_noreset;
   91 
   92 METHOD int resetdone {
   93         kobj_t obj;
   94         void *data;
   95 } DEFAULT channel_noresetdone;
   96 
   97 METHOD int setdir {
   98         kobj_t obj;
   99         void *data;
  100         int dir;
  101 } DEFAULT channel_nosetdir;
  102 
  103 METHOD u_int32_t setformat {
  104         kobj_t obj;
  105         void *data;
  106         u_int32_t format;
  107 };
  108 
  109 METHOD u_int32_t setspeed {
  110         kobj_t obj;
  111         void *data;
  112         u_int32_t speed;
  113 };
  114 
  115 METHOD u_int32_t setblocksize {
  116         kobj_t obj;
  117         void *data;
  118         u_int32_t blocksize;
  119 };
  120 
  121 METHOD int trigger {
  122         kobj_t obj;
  123         void *data;
  124         int go;
  125 };
  126 
  127 METHOD u_int32_t getptr {
  128         kobj_t obj;
  129         void *data;
  130 } DEFAULT channel_nogetptr;
  131 
  132 METHOD struct pcmchan_caps* getcaps {
  133         kobj_t obj;
  134         void *data;
  135 };
  136 
  137 METHOD int notify {
  138         kobj_t obj;
  139         void *data;
  140         u_int32_t changed;
  141 } DEFAULT channel_nonotify;

Cache object: 1813ada055d81f0094dc4da7f1a5481e


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