| 1 | /* $ZEL: plx9054dma_netbsd.h,v 1.2 2004/05/27 23:10:16 wuestner Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Copyright (c) 2004
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| 5 | * Peter Wuestner. All rights reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions
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| 9 | * are met:
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| 10 | * 1. Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions, and the following disclaimer.
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | *
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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| 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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| 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 26 | * SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #ifndef _plx9054dma_h_
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| 30 | #define _plx9054dma_h_
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| 31 |
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| 32 | struct plx9054dma {
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| 33 | char *devname;
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| 34 | bus_space_tag_t iot;
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| 35 | bus_space_handle_t ioh;
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| 36 | bus_dma_tag_t dmat;
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| 37 |
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| 38 | int nsegs, rsegs;
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| 39 | bus_dmamap_t userdma;
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| 40 | bus_dma_segment_t descsegs;
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| 41 | bus_dma_segment_t segs;
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| 42 | struct plx9054_dmadesc *descs; /* kva of descsegs */
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| 43 | bus_dmamap_t descdma;
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| 44 | caddr_t kva; /* kva of segs */
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| 45 | };
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| 46 |
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| 47 | int plx9054_dmaalloc(struct plx9054dma* sc, int maxlen);
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| 48 | void plx9054_dmafree(struct plx9054dma* sc);
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| 49 |
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| 50 | #endif
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