| 1 | /*	$NetBSD: bus.h,v 1.11 2003/07/28 17:35:54 thorpej Exp $	*/ |
| 2 | |
| 3 | /*- |
| 4 | * SPDX-License-Identifier: BSD-2-Clause |
| 5 | * |
| 6 | * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc. |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * This code is derived from software contributed to The NetBSD Foundation |
| 10 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
| 11 | * NASA Ames Research Center. |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or without |
| 14 | * modification, are permitted provided that the following conditions |
| 15 | * are met: |
| 16 | * 1. Redistributions of source code must retain the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer. |
| 18 | * 2. Redistributions in binary form must reproduce the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer in the |
| 20 | * documentation and/or other materials provided with the distribution. |
| 21 | * |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 23 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 24 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 25 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 26 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 32 | * POSSIBILITY OF SUCH DAMAGE. |
| 33 | */ |
| 34 | |
| 35 | /*- |
| 36 | * Copyright (c) 1996 Charles M. Hannum. All rights reserved. |
| 37 | * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. |
| 38 | * |
| 39 | * Redistribution and use in source and binary forms, with or without |
| 40 | * modification, are permitted provided that the following conditions |
| 41 | * are met: |
| 42 | * 1. Redistributions of source code must retain the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer. |
| 44 | * 2. Redistributions in binary form must reproduce the above copyright |
| 45 | * notice, this list of conditions and the following disclaimer in the |
| 46 | * documentation and/or other materials provided with the distribution. |
| 47 | * 3. All advertising materials mentioning features or use of this software |
| 48 | * must display the following acknowledgement: |
| 49 | * This product includes software developed by Christopher G. Demetriou |
| 50 | *	for the NetBSD Project. |
| 51 | * 4. The name of the author may not be used to endorse or promote products |
| 52 | * derived from this software without specific prior written permission |
| 53 | * |
| 54 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 55 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 56 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 57 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 58 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 59 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 60 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 61 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 62 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 63 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 64 | */ |
| 65 | |
| 66 | #ifndef _ARM_BUS_DMA_H |
| 67 | #define _ARM_BUS_DMA_H |
| 68 | |
| 69 | #include <sys/bus_dma.h> |
| 70 | #include <sys/bus_dma_internal.h> |
| 71 | |
| 72 | /* Bus Space DMA macros */ |
| 73 | |
| 74 | #define BUS_DMA_TAG_VALID(t) ((t) != (bus_dma_tag_t)0) |
| 75 | |
| 76 | #endif /* _ARM_BUS_DMA_H */ |