isa_dma.c

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    1 /*-
    2  * Copyright (c) 2004 Pyun YongHyeon.
    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 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD$");
   30 
   31 #include <sys/param.h>
   32 #include <sys/systm.h>
   33 #include <sys/bus.h>
   34 
   35 #include <isa/isareg.h>
   36 #include <isa/isavar.h>
   37 
   38 /*
   39  * Glue code to load sound(4). Though fdc(4), ppc(4) don't work on
   40  * sparc64 yet, they may need this glue code too.
   41  */
   42 
   43 int
   44 isa_dma_init(int chan, u_int bouncebufsize, int flag)
   45 {
   46 
   47         return (0);
   48 }
   49 
   50 int
   51 isa_dma_acquire(int chan)
   52 {
   53         return (0);
   54 }
   55 
   56 void
   57 isa_dma_release(int chan)
   58 {
   59 
   60 }
   61 
   62 void
   63 isa_dmacascade(int chan)
   64 {
   65 
   66 }
   67 
   68 void
   69 isa_dmastart(int flags, caddr_t addr, u_int nbytes, int chan)
   70 {
   71 
   72 }
   73 
   74 void
   75 isa_dmadone(int flags, caddr_t addr, int nbytes, int chan)
   76 {
   77 
   78 }
   79 
   80 int
   81 isa_dmastatus(int chan)
   82 {
   83         return (0);
   84 }
   85 
   86 int
   87 isa_dmatc(int chan)
   88 {
   89         return (0);
   90 }
   91 
   92 int
   93 isa_dmastop(int chan)
   94 {
   95         return (0);
   96 }

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FreeBSD/Linux Kernel Cross Reference sys/sparc64/isa/isa_dma.c

FreeBSD/Linux Kernel Cross Reference
sys/sparc64/isa/isa_dma.c