NetBSD/sys/arch/evbarm/integrator/int_bus_dma.h
2001-10-27 16:17:51 +00:00

67 lines
2.9 KiB
C

/* $NetBSD: int_bus_dma.h,v 1.1 2001/10/27 16:17:51 rearnsha Exp $ */
/*
* Copyright (c) 2001 ARM Ltd
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the company may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _INT_BUS_DMA_H
#define _INT_BUS_DMA_H
#include <machine/bus.h>
#ifdef _ARM32_BUS_DMA_PRIVATE
#define CM_ALIAS_TO_LOCAL(addr) (addr & 0x0fffffff)
#define LOCAL_TO_CM_ALIAS(addr) (addr | 0x80000000)
int integrator_bus_dmamap_load __P((bus_dma_tag_t, bus_dmamap_t, void *,
bus_size_t, struct proc *, int));
int integrator_bus_dmamap_load_mbuf __P((bus_dma_tag_t, bus_dmamap_t,
struct mbuf *, int));
int integrator_bus_dmamap_load_uio __P((bus_dma_tag_t, bus_dmamap_t,
struct uio *, int));
int integrator_bus_dmamem_alloc __P((bus_dma_tag_t tag, bus_size_t size,
bus_size_t alignment, bus_size_t boundary,
bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags));
void integrator_bus_dmamem_free __P((bus_dma_tag_t tag,
bus_dma_segment_t *segs, int nsegs));
int integrator_bus_dmamem_map __P((bus_dma_tag_t tag,
bus_dma_segment_t *segs, int nsegs, size_t size, caddr_t *kvap,
int flags));
paddr_t integrator_bus_dmamem_mmap __P((bus_dma_tag_t tag,
bus_dma_segment_t *segs, int nsegs, off_t off, int prot,
int flags));
int integrator_bus_dmamem_alloc_range __P((bus_dma_tag_t tag,
bus_size_t size, bus_size_t alignment, bus_size_t boundary,
bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags,
vaddr_t low, vaddr_t high));
#endif /* _ARM32_BUS_DMA_PRIVATE */
#endif /* _INT_BUS_DMA_H */