The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/isa/isadmavar.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*      $OpenBSD: isadmavar.h,v 1.16 2008/06/26 05:42:16 ray Exp $      */
    2 /*      $NetBSD: isadmavar.h,v 1.10 1997/08/04 22:13:33 augustss Exp $  */
    3 
    4 /*-
    5  * Copyright (c) 1997 The NetBSD Foundation, Inc.
    6  * All rights reserved.
    7  *
    8  * This code is derived from software contributed to The NetBSD Foundation
    9  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
   10  * NASA Ames Research Center.
   11  *
   12  * Redistribution and use in source and binary forms, with or without
   13  * modification, are permitted provided that the following conditions
   14  * are met:
   15  * 1. Redistributions of source code must retain the above copyright
   16  *    notice, this list of conditions and the following disclaimer.
   17  * 2. Redistributions in binary form must reproduce the above copyright
   18  *    notice, this list of conditions and the following disclaimer in the
   19  *    documentation and/or other materials provided with the distribution.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   31  * POSSIBILITY OF SUCH DAMAGE.
   32  */
   33 
   34 #ifndef _DEV_ISA_ISADMAVAR_H
   35 #define _DEV_ISA_ISADMAVAR_H
   36 
   37 /* XXX for now... */
   38 #ifndef __ISADMA_COMPAT
   39 #define __ISADMA_COMPAT
   40 #endif /* __ISADMA_COMPAT */
   41 
   42 #ifdef __ISADMA_COMPAT
   43 
   44 /* XXX ugly.. but it's a deprecated API that uses it so it will go.. */
   45 extern struct device *isa_dev;
   46 
   47 #define isadma_acquire(c)               isa_dma_acquire(isa_dev, (c))
   48 #define isadma_release(c)               isa_dma_release(isa_dev, (c))
   49 #define isadma_cascade(c)               isa_dmacascade(isa_dev, (c))
   50 #define isadma_start(a, s, c, f) \
   51     isa_dmastart(isa_dev, (c), (a), (s), 0, (f), BUS_DMA_WAITOK|BUS_DMA_BUS1)
   52 #define isadma_abort(c)                 isa_dmaabort(isa_dev, (c))
   53 #define isadma_finished(c)              isa_dmafinished(isa_dev, (c))
   54 #define isadma_done(c)                  isa_dmadone(isa_dev, (c))
   55 
   56 #endif /* __ISADMA_COMPAT */
   57 
   58 #define MAX_ISADMA      65536
   59 
   60 #define DMAMODE_WRITE   0
   61 #define DMAMODE_READ    1
   62 #define DMAMODE_LOOP    2
   63 
   64 struct proc;
   65 
   66 void       isa_dmacascade(struct device *, int);
   67 
   68 int        isa_dmamap_create(struct device *, int, bus_size_t, int);
   69 void       isa_dmamap_destroy(struct device *, int);
   70 
   71 int        isa_dmastart(struct device *, int, void *, bus_size_t,
   72                struct proc *, int, int);
   73 void       isa_dmaabort(struct device *, int);
   74 bus_size_t isa_dmacount(struct device *, int);
   75 int        isa_dmafinished(struct device *, int);
   76 void       isa_dmadone(struct device *, int);
   77 
   78 int        isa_dmamem_alloc(struct device *, int, bus_size_t,
   79                bus_addr_t *, int);
   80 void       isa_dmamem_free(struct device *, int, bus_addr_t, bus_size_t);
   81 int        isa_dmamem_map(struct device *, int, bus_addr_t, bus_size_t,
   82                caddr_t *, int);
   83 void       isa_dmamem_unmap(struct device *, int, caddr_t, size_t);
   84 int        isa_dmamem_mmap(struct device *, int, bus_addr_t, bus_size_t,
   85                int, int, int);
   86 
   87 int        isa_drq_isfree(struct device *, int);
   88 
   89 void      *isa_malloc(struct device *, int, size_t, int, int);
   90 void       isa_free(void *, int);
   91 paddr_t    isa_mappage(void *, off_t, int);
   92 
   93 #endif /* _DEV_ISA_ISADMAVAR_H */

Cache object: 8b3d3895c54587dd8d4dfb1373acea5a


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.