sys/common/bus_dma/bus_dmamem_common.h

   1 /*      $NetBSD$        */
   2
   3 /*-
   4  * Copyright (c) 1997, 1998, 2009 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
   9  * NASA Ames Research Center.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef _COMMON_BUS_DMAMEM_COMMON_H_
  34 #define _COMMON_BUS_DMAMEM_COMMON_H_
  35
  36 #include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */
  37
  38 int             _bus_dmamem_alloc_range_common(bus_dma_tag_t, bus_size_t,
  39                                                bus_size_t, bus_size_t,
  40                                                bus_dma_segment_t *,
  41                                                int, int *, int,
  42                                                paddr_t, paddr_t);
  43 void            _bus_dmamem_free_common(bus_dma_tag_t, bus_dma_segment_t *,
  44                                         int);
  45
  46 int             _bus_dmamem_map_common(bus_dma_tag_t, bus_dma_segment_t *, int,
  47                                        size_t, void **, int, int);
  48 void            _bus_dmamem_unmap_common(bus_dma_tag_t, void *, size_t);
  49
  50 bus_addr_t      _bus_dmamem_mmap_common(bus_dma_tag_t, bus_dma_segment_t *,
  51                                         int, off_t, int, int);
  52
  53 #endif /* _COMMON_BUS_DMAMEM_COMMON_H_ */