sys/arch/mips/adm5120/adm5120_obio_dma.c

   1 /*      $NetBSD: adm5120_obio_dma.c,v 1.1 2007/03/20 08:52:04 dyoung Exp $      */
   2
   3 /*-
   4  * Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or
   8  * without modification, are permitted provided that the following
   9  * conditions 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
  13  *    copyright notice, this list of conditions and the following
  14  *    disclaimer in the documentation and/or other materials provided
  15  *    with the distribution.
  16  * 3. The names of the authors may not be used to endorse or promote
  17  *    products derived from this software without specific prior
  18  *    written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY
  21  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  23  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
  25  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
  27  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  29  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  30  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  31  * OF SUCH DAMAGE.
  32  */
  33 /*-
  34  * Copyright (c) 2001 The NetBSD Foundation, Inc.
  35  * All rights reserved.
  36  *
  37  * This code is derived from software contributed to The NetBSD Foundation
  38  * by Jason R. Thorpe.
  39  *
  40  * Redistribution and use in source and binary forms, with or without
  41  * modification, are permitted provided that the following conditions
  42  * are met:
  43  * 1. Redistributions of source code must retain the above copyright
  44  *    notice, this list of conditions and the following disclaimer.
  45  * 2. Redistributions in binary form must reproduce the above copyright
  46  *    notice, this list of conditions and the following disclaimer in the
  47  *    documentation and/or other materials provided with the distribution.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  50  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  51  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  52  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  53  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  54  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  55  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  56  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  57  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  58  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  59  * POSSIBILITY OF SUCH DAMAGE.
  60  */
  61
  62 /*
  63  * Platform-specific DMA support for the Infineon ADM5120.
  64  */
  65
  66 #include <sys/cdefs.h>
  67 __KERNEL_RCSID(0, "$NetBSD: adm5120_obio_dma.c,v 1.1 2007/03/20 08:52:04 dyoung Exp $");
  68
  69 #include <sys/param.h>
  70
  71 #define _MIPS_BUS_DMA_PRIVATE
  72 #include <machine/bus.h>
  73
  74 #include <mips/adm5120/include/adm5120_obiovar.h>
  75
  76 void
  77 obio_dma_init(bus_dma_tag_t t)
  78 {
  79         t->_cookie = t;
  80         t->_wbase = 0;
  81         t->_physbase = 0;
  82         t->_wsize = MIPS_KSEG1_START - MIPS_KSEG0_START;
  83         t->_dmamap_create = _bus_dmamap_create;
  84         t->_dmamap_destroy = _bus_dmamap_destroy;
  85         t->_dmamap_load = _bus_dmamap_load;
  86         t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
  87         t->_dmamap_load_uio = _bus_dmamap_load_uio;
  88         t->_dmamap_load_raw = _bus_dmamap_load_raw;
  89         t->_dmamap_unload = _bus_dmamap_unload;
  90         t->_dmamap_sync = _bus_dmamap_sync;
  91
  92         t->_dmamem_alloc = _bus_dmamem_alloc;
  93         t->_dmamem_free = _bus_dmamem_free;
  94         t->_dmamem_map = _bus_dmamem_map;
  95         t->_dmamem_unmap = _bus_dmamem_unmap;
  96         t->_dmamem_mmap = _bus_dmamem_mmap;
  97 }