1/* $NetBSD: tc_dma.c,v 1.12 2009/03/18 10:22:23 cegger Exp $ */ 2 3/*- 4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 34 35__KERNEL_RCSID(0, "$NetBSD: tc_dma.c,v 1.12 2009/03/18 10:22:23 cegger Exp $"); 36 37#include <sys/param.h> 38#include <sys/device.h> 39 40#define _ALPHA_BUS_DMA_PRIVATE 41#include <sys/bus.h> 42 43#include <dev/tc/tcvar.h> 44 45struct alpha_bus_dma_tag tc_dmat_direct = { 46 NULL, /* _cookie */ 47 0, /* _wbase */ 48 0, /* _wsize */ 49 NULL, /* _next_window */ 50 0, /* _boundary */ 51 NULL, /* _sgmap */ 52 0, /* _pfthresh */ 53 NULL, /* _get_tag */ 54 _bus_dmamap_create, 55 _bus_dmamap_destroy, 56 _bus_dmamap_load_direct, 57 _bus_dmamap_load_mbuf_direct, 58 _bus_dmamap_load_uio_direct, 59 _bus_dmamap_load_raw_direct, 60 _bus_dmamap_unload, 61 _bus_dmamap_sync, 62 _bus_dmamem_alloc, 63 _bus_dmamem_free, 64 _bus_dmamem_map, 65 _bus_dmamem_unmap, 66 _bus_dmamem_mmap, 67}; 68 69void 70tc_dma_init(void) 71{ 72 73 /* XXX XXX BEGIN XXX XXX */ 74 { /* XXX */ 75 extern paddr_t alpha_XXX_dmamap_or; /* XXX */ 76 alpha_XXX_dmamap_or = 0; /* XXX */ 77 } /* XXX */ 78 /* XXX XXX END XXX XXX */ 79} 80