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/* $OpenBSD: isadmavar.h,v 1.16 2008/06/26 05:42:16 ray Exp $ */
/* $NetBSD: isadmavar.h,v 1.10 1997/08/04 22:13:33 augustss Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION 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 _DEV_ISA_ISADMAVAR_H
#define _DEV_ISA_ISADMAVAR_H
/* XXX for now... */
#ifndef __ISADMA_COMPAT
#define __ISADMA_COMPAT
#endif /* __ISADMA_COMPAT */
#ifdef __ISADMA_COMPAT
/* XXX ugly.. but it's a deprecated API that uses it so it will go.. */
extern struct device *isa_dev;
#define isadma_acquire(c) isa_dma_acquire(isa_dev, (c))
#define isadma_release(c) isa_dma_release(isa_dev, (c))
#define isadma_cascade(c) isa_dmacascade(isa_dev, (c))
#define isadma_start(a, s, c, f) \
isa_dmastart(isa_dev, (c), (a), (s), 0, (f), BUS_DMA_WAITOK|BUS_DMA_BUS1)
#define isadma_abort(c) isa_dmaabort(isa_dev, (c))
#define isadma_finished(c) isa_dmafinished(isa_dev, (c))
#define isadma_done(c) isa_dmadone(isa_dev, (c))
#endif /* __ISADMA_COMPAT */
#define MAX_ISADMA 65536
#define DMAMODE_WRITE 0
#define DMAMODE_READ 1
#define DMAMODE_LOOP 2
struct proc;
void isa_dmacascade(struct device *, int);
int isa_dmamap_create(struct device *, int, bus_size_t, int);
void isa_dmamap_destroy(struct device *, int);
int isa_dmastart(struct device *, int, void *, bus_size_t,
struct proc *, int, int);
void isa_dmaabort(struct device *, int);
bus_size_t isa_dmacount(struct device *, int);
int isa_dmafinished(struct device *, int);
void isa_dmadone(struct device *, int);
int isa_dmamem_alloc(struct device *, int, bus_size_t,
bus_addr_t *, int);
void isa_dmamem_free(struct device *, int, bus_addr_t, bus_size_t);
int isa_dmamem_map(struct device *, int, bus_addr_t, bus_size_t,
caddr_t *, int);
void isa_dmamem_unmap(struct device *, int, caddr_t, size_t);
int isa_dmamem_mmap(struct device *, int, bus_addr_t, bus_size_t,
int, int, int);
int isa_drq_isfree(struct device *, int);
void *isa_malloc(struct device *, int, size_t, int, int);
void isa_free(void *, int);
paddr_t isa_mappage(void *, off_t, int);
#endif /* _DEV_ISA_ISADMAVAR_H */
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