1 /* $NetBSD: int_bus_dma.h,v 1.1 2001/10/27 16:17:51 rearnsha Exp $ */ 2 3 /* 4 * Copyright (c) 2001 ARM Ltd 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the company may not be used to endorse or promote 16 * products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 20 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _INT_BUS_DMA_H 33 #define _INT_BUS_DMA_H 34 35 #include <machine/bus.h> 36 37 #ifdef _ARM32_BUS_DMA_PRIVATE 38 39 #define CM_ALIAS_TO_LOCAL(addr) (addr & 0x0fffffff) 40 #define LOCAL_TO_CM_ALIAS(addr) (addr | 0x80000000) 41 42 int integrator_bus_dmamap_load __P((bus_dma_tag_t, bus_dmamap_t, void *, 43 bus_size_t, struct proc *, int)); 44 int integrator_bus_dmamap_load_mbuf __P((bus_dma_tag_t, bus_dmamap_t, 45 struct mbuf *, int)); 46 int integrator_bus_dmamap_load_uio __P((bus_dma_tag_t, bus_dmamap_t, 47 struct uio *, int)); 48 49 int integrator_bus_dmamem_alloc __P((bus_dma_tag_t tag, bus_size_t size, 50 bus_size_t alignment, bus_size_t boundary, 51 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags)); 52 void integrator_bus_dmamem_free __P((bus_dma_tag_t tag, 53 bus_dma_segment_t *segs, int nsegs)); 54 int integrator_bus_dmamem_map __P((bus_dma_tag_t tag, 55 bus_dma_segment_t *segs, int nsegs, size_t size, caddr_t *kvap, 56 int flags)); 57 paddr_t integrator_bus_dmamem_mmap __P((bus_dma_tag_t tag, 58 bus_dma_segment_t *segs, int nsegs, off_t off, int prot, 59 int flags)); 60 61 int integrator_bus_dmamem_alloc_range __P((bus_dma_tag_t tag, 62 bus_size_t size, bus_size_t alignment, bus_size_t boundary, 63 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags, 64 vaddr_t low, vaddr_t high)); 65 #endif /* _ARM32_BUS_DMA_PRIVATE */ 66 #endif /* _INT_BUS_DMA_H */ 67