135 lines
5.5 KiB
C
135 lines
5.5 KiB
C
/* $NetBSD: bus_funcs.h,v 1.1 2011/07/01 17:10:01 dyoung Exp $ */
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/*
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* Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SGIMIPS_BUS_FUNCS_H_
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#define _SGIMIPS_BUS_FUNCS_H_
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/* Initialization for bus_dmamap_sync, which differs from MIPS1 to MIPS3 */
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void sgimips_bus_dma_init(void);
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#define bus_space_read_stream_1 bus_space_read_1
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#define bus_space_write_stream_1 bus_space_write_1
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#define bus_space_read_region_stream_1 bus_space_read_reigion_1
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#define bus_space_read_multi_stream_1 bus_space_read_multi_1
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#define bus_space_write_multi_stream_1 bus_space_write_multi_1
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#define bus_space_write_region_stream_1 bus_space_write_region_1
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/*
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* Bus read/write barrier methods.
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*
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* void bus_space_barrier(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset,
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* bus_size_t len, int flags);
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*
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* On the MIPS, we just flush the write buffer.
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*/
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#define bus_space_barrier(t, h, o, l, f) \
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((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f), \
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wbflush()))
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/* Forwards needed by prototypes below. */
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struct mbuf;
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struct uio;
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#define bus_dmamap_create(t, s, n, m, b, f, p) \
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(*(t)->_dmamap_create)((t), (s), (n), (m), (b), (f), (p))
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#define bus_dmamap_destroy(t, p) \
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(*(t)->_dmamap_destroy)((t), (p))
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#define bus_dmamap_load(t, m, b, s, p, f) \
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(*(t)->_dmamap_load)((t), (m), (b), (s), (p), (f))
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#define bus_dmamap_load_mbuf(t, m, b, f) \
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(*(t)->_dmamap_load_mbuf)((t), (m), (b), (f))
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#define bus_dmamap_load_uio(t, m, u, f) \
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(*(t)->_dmamap_load_uio)((t), (m), (u), (f))
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#define bus_dmamap_load_raw(t, m, sg, n, s, f) \
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(*(t)->_dmamap_load_raw)((t), (m), (sg), (n), (s), (f))
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#define bus_dmamap_unload(t, p) \
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(*(t)->_dmamap_unload)((t), (p))
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#define bus_dmamap_sync(t, p, o, l, ops) \
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(*(t)->_dmamap_sync)((t), (p), (o), (l), (ops))
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#define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \
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(*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f))
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#define bus_dmamem_free(t, sg, n) \
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(*(t)->_dmamem_free)((t), (sg), (n))
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#define bus_dmamem_map(t, sg, n, s, k, f) \
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(*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f))
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#define bus_dmamem_unmap(t, k, s) \
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(*(t)->_dmamem_unmap)((t), (k), (s))
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#define bus_dmamem_mmap(t, sg, n, o, p, f) \
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(*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f))
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#define bus_dmatag_subregion(t, mna, mxa, nt, f) EOPNOTSUPP
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#define bus_dmatag_destroy(t)
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#ifdef _SGIMIPS_BUS_DMA_PRIVATE
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int _bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t,
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bus_size_t, int, bus_dmamap_t *);
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void _bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
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int _bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
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bus_size_t, struct proc *, int);
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int _bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
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struct mbuf *, int);
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int _bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
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struct uio *, int);
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int _bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
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bus_dma_segment_t *, int, bus_size_t, int);
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void _bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
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void _bus_dmamap_sync_mips1(bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
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bus_size_t, int);
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void _bus_dmamap_sync_mips3(bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
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bus_size_t, int);
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int _bus_dmamem_alloc(bus_dma_tag_t tag, bus_size_t size,
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bus_size_t alignment, bus_size_t boundary,
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bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags);
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void _bus_dmamem_free(bus_dma_tag_t tag, bus_dma_segment_t *segs,
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int nsegs);
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int _bus_dmamem_map(bus_dma_tag_t tag, bus_dma_segment_t *segs,
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int nsegs, size_t size, void **kvap, int flags);
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void _bus_dmamem_unmap(bus_dma_tag_t tag, void *kva,
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size_t size);
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paddr_t _bus_dmamem_mmap(bus_dma_tag_t tag, bus_dma_segment_t *segs,
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int nsegs, off_t off, int prot, int flags);
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int _bus_dmamem_alloc_range(bus_dma_tag_t tag, bus_size_t size,
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bus_size_t alignment, bus_size_t boundary,
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bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags,
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vaddr_t low, vaddr_t high);
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extern struct sgimips_bus_dma_tag sgimips_default_bus_dma_tag;
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#endif /* _SGIMIPS_BUS_DMA_PRIVATE */
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#endif /* _SGIMIPS_BUS_FUNCS_H_ */
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