1 /* $OpenBSD: tc_dma.c,v 1.4 2009/02/01 14:34:02 miod Exp $ */ 2 /* $NetBSD: tc_dma.c,v 1.10 2001/07/19 06:40:02 thorpej Exp $ */ 3 4 /*- 5 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 10 * NASA Ames Research Center. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #define _ALPHA_BUS_DMA_PRIVATE 35 36 #include <sys/param.h> 37 #include <sys/device.h> 38 39 #include <machine/bus.h> 40 41 #include <dev/tc/tcvar.h> 42 43 struct alpha_bus_dma_tag tc_dmat_direct = { 44 NULL, /* _cookie */ 45 0, /* _wbase */ 46 0, /* _wsize */ 47 NULL, /* _next_window */ 48 0, /* _boundary */ 49 NULL, /* _sgmap */ 50 NULL, /* _get_tag */ 51 _bus_dmamap_create, 52 _bus_dmamap_destroy, 53 _bus_dmamap_load_direct, 54 _bus_dmamap_load_mbuf_direct, 55 _bus_dmamap_load_uio_direct, 56 _bus_dmamap_load_raw_direct, 57 _bus_dmamap_unload, 58 _bus_dmamap_sync, 59 _bus_dmamem_alloc, 60 _bus_dmamem_free, 61 _bus_dmamem_map, 62 _bus_dmamem_unmap, 63 _bus_dmamem_mmap, 64 }; 65 66 void 67 tc_dma_init() 68 { 69 70 /* XXX XXX BEGIN XXX XXX */ 71 { /* XXX */ 72 extern paddr_t alpha_XXX_dmamap_or; /* XXX */ 73 alpha_XXX_dmamap_or = 0; /* XXX */ 74 } /* XXX */ 75 /* XXX XXX END XXX XXX */ 76 } 77