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Annotation of sys/arch/arm/s3c2xx0/s3c2xx0_busdma.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $NetBSD: s3c2xx0_busdma.c,v 1.3 2005/12/11 12:16:51 christos Exp $ */
                      2:
                      3: /*
                      4:  * Copyright (c) 2002, 2003 Fujitsu Component Limited
                      5:  * Copyright (c) 2002, 2003 Genetec Corporation
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of The Fujitsu Component Limited nor the name of
                     17:  *    Genetec corporation may not be used to endorse or promote products
                     18:  *    derived from this software without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC
                     21:  * CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
                     22:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
                     23:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
                     24:  * DISCLAIMED.  IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC
                     25:  * CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
                     26:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
                     27:  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
                     28:  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
                     29:  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
                     30:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
                     31:  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  */
                     34:
                     35: /*
                     36:  * bus_dma tag for s3c2xx0 CPUs
                     37:  */
                     38:
                     39: #include <sys/cdefs.h>
                     40: __KERNEL_RCSID(0, "$NetBSD: s3c2xx0_busdma.c,v 1.3 2005/12/11 12:16:51 christos Exp $");
                     41:
                     42: #include <sys/param.h>
                     43: #include <sys/types.h>
                     44: #include <sys/device.h>
                     45: #include <sys/systm.h>
                     46: #include <sys/extent.h>
                     47:
                     48: #define _ARM32_BUS_DMA_PRIVATE
                     49: #include <machine/bus.h>
                     50:
                     51: #include <arm/s3c2xx0/s3c2xx0var.h>
                     52:
                     53: struct arm32_bus_dma_tag s3c2xx0_bus_dma = {
                     54:        NULL,                   /* _ranges: set by platform specific routine */
                     55:        0,                      /* _nranges */
                     56:
                     57:        NULL,                   /* _cookie */
                     58:
                     59:        _bus_dmamap_create,
                     60:        _bus_dmamap_destroy,
                     61:        _bus_dmamap_load,
                     62:        _bus_dmamap_load_mbuf,
                     63:        _bus_dmamap_load_uio,
                     64:        _bus_dmamap_load_raw,
                     65:        _bus_dmamap_unload,
                     66:        _bus_dmamap_sync,
                     67:        NULL,                   /* sync_post */
                     68:
                     69:        _bus_dmamem_alloc,
                     70:        _bus_dmamem_free,
                     71:        _bus_dmamem_map,
                     72:        _bus_dmamem_unmap,
                     73:        _bus_dmamem_mmap,
                     74: };