Home | History | Annotate | Line # | Download | only in adm5120
adm5120_obio_dma.c revision 1.1 
      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  * 3. All advertising materials mentioning features or use of this software
     49  *    must display the following acknowledgement:
     50  *	This product includes software developed by the NetBSD
     51  *	Foundation, Inc. and its contributors.
     52  * 4. Neither the name of The NetBSD Foundation nor the names of its
     53  *    contributors may be used to endorse or promote products derived
     54  *    from this software without specific prior written permission.
     55  *
     56  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     57  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     58  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     59  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     60  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     61  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     62  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     63  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     64  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     65  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     66  * POSSIBILITY OF SUCH DAMAGE.
     67  */
     68 
     69 /*
     70  * Platform-specific DMA support for the Infineon ADM5120.
     71  */
     72 
     73 #include <sys/cdefs.h>
     74 __KERNEL_RCSID(0, "$NetBSD: adm5120_obio_dma.c,v 1.1 2007/03/20 08:52:04 dyoung Exp $");
     75 
     76 #include <sys/param.h>
     77 
     78 #define	_MIPS_BUS_DMA_PRIVATE
     79 #include <machine/bus.h>
     80 
     81 #include <mips/adm5120/include/adm5120_obiovar.h>
     82 
     83 void
     84 obio_dma_init(bus_dma_tag_t t)
     85 {
     86 	t->_cookie = t;
     87 	t->_wbase = 0;
     88 	t->_physbase = 0;
     89 	t->_wsize = MIPS_KSEG1_START - MIPS_KSEG0_START;
     90 	t->_dmamap_create = _bus_dmamap_create;
     91 	t->_dmamap_destroy = _bus_dmamap_destroy;
     92 	t->_dmamap_load = _bus_dmamap_load;
     93 	t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
     94 	t->_dmamap_load_uio = _bus_dmamap_load_uio;
     95 	t->_dmamap_load_raw = _bus_dmamap_load_raw;
     96 	t->_dmamap_unload = _bus_dmamap_unload;
     97 	t->_dmamap_sync = _bus_dmamap_sync;
     98 
     99 	t->_dmamem_alloc = _bus_dmamem_alloc;
    100 	t->_dmamem_free = _bus_dmamem_free;
    101 	t->_dmamem_map = _bus_dmamem_map;
    102 	t->_dmamem_unmap = _bus_dmamem_unmap;
    103 	t->_dmamem_mmap = _bus_dmamem_mmap;
    104 }
    105