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 #-
    2 # KOBJ
    3 #
    4 # Copyright (c) 2000 Cameron Grant <cg@freebsd.org>
    5 # All rights reserved.
    6 #
    7 # Redistribution and use in source and binary forms, with or without
    8 # modification, are permitted provided that the following conditions
    9 # are met:
   10 # 1. Redistributions of source code must retain the above copyright
   11 #    notice, this list of conditions and the following disclaimer.
   12 # 2. Redistributions in binary form must reproduce the above copyright
   13 #    notice, this list of conditions and the following disclaimer in the
   14 #    documentation and/or other materials provided with the distribution.
   15 #
   16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26 # SUCH DAMAGE.
   27 #
   28 # $FreeBSD: src/sys/dev/sound/pcm/channel_if.m,v 1.5 2005/01/06 01:43:20 imp Exp $
   29 # $DragonFly: src/sys/dev/sound/pcm/channel_if.m,v 1.3 2007/01/04 21:47:03 corecode Exp $
   30 #
   31 
   32 #include <dev/sound/pcm/sound.h>
   33 
   34 INTERFACE channel;
   35 
   36 CODE {
   37 
   38         static int
   39         channel_nosetdir(kobj_t obj, void *data, int dir)
   40         {
   41                 return 0;
   42         }
   43 
   44         static int
   45         channel_noreset(kobj_t obj, void *data)
   46         {
   47                 return 0;
   48         }
   49 
   50         static int
   51         channel_noresetdone(kobj_t obj, void *data)
   52         {
   53                 return 0;
   54         }
   55 
   56         static int
   57         channel_nofree(kobj_t obj, void *data)
   58         {
   59                 return 1;
   60         }
   61 
   62         static u_int32_t
   63         channel_nogetptr(kobj_t obj, void *data)
   64         {
   65                 return 0;
   66         }
   67 
   68         static int
   69         channel_nonotify(kobj_t obj, void *data, u_int32_t changed)
   70         {
   71                 return 0;
   72         }
   73 
   74 };
   75 
   76 METHOD void* init {
   77         kobj_t obj;
   78         void *devinfo;
   79         struct snd_dbuf *b;
   80         struct pcm_channel *c;
   81         int dir;
   82 };
   83 
   84 METHOD int free {
   85         kobj_t obj;
   86         void *data;
   87 } DEFAULT channel_nofree;
   88 
   89 METHOD int reset {
   90         kobj_t obj;
   91         void *data;
   92 } DEFAULT channel_noreset;
   93 
   94 METHOD int resetdone {
   95         kobj_t obj;
   96         void *data;
   97 } DEFAULT channel_noresetdone;
   98 
   99 METHOD int setdir {
  100         kobj_t obj;
  101         void *data;
  102         int dir;
  103 } DEFAULT channel_nosetdir;
  104 
  105 METHOD u_int32_t setformat {
  106         kobj_t obj;
  107         void *data;
  108         u_int32_t format;
  109 };
  110 
  111 METHOD u_int32_t setspeed {
  112         kobj_t obj;
  113         void *data;
  114         u_int32_t speed;
  115 };
  116 
  117 METHOD u_int32_t setblocksize {
  118         kobj_t obj;
  119         void *data;
  120         u_int32_t blocksize;
  121 };
  122 
  123 METHOD int trigger {
  124         kobj_t obj;
  125         void *data;
  126         int go;
  127 };
  128 
  129 METHOD u_int32_t getptr {
  130         kobj_t obj;
  131         void *data;
  132 } DEFAULT channel_nogetptr;
  133 
  134 METHOD struct pcmchan_caps* getcaps {
  135         kobj_t obj;
  136         void *data;
  137 };
  138 
  139 METHOD int notify {
  140         kobj_t obj;
  141         void *data;
  142         u_int32_t changed;
  143 } DEFAULT channel_nonotify;

Cache object: 481e7e1e9838742d2078bde21cb73e55


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