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isa_machdep.h revision 1.1
      1 /* $NetBSD: isa_machdep.h,v 1.1 2002/03/18 03:08:09 simonb Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2000, 2001 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.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Copyright (c) 1996 Carnegie-Mellon University.
     41  * All rights reserved.
     42  *
     43  * Author: Chris G. Demetriou
     44  *
     45  * Permission to use, copy, modify and distribute this software and
     46  * its documentation is hereby granted, provided that both the copyright
     47  * notice and this permission notice appear in all copies of the
     48  * software, derivative works or modified versions, and any portions
     49  * thereof, and that both notices appear in supporting documentation.
     50  *
     51  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     52  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     53  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     54  *
     55  * Carnegie Mellon requests users of this software to return to
     56  *
     57  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     58  *  School of Computer Science
     59  *  Carnegie Mellon University
     60  *  Pittsburgh PA 15213-3890
     61  *
     62  * any improvements or extensions that they make and grant Carnegie the
     63  * rights to redistribute these changes.
     64  */
     65 
     66 #include <dev/isa/isadmavar.h>
     67 
     68 /*
     69  * Types provided to machine-independent ISA code.
     70  */
     71 typedef struct mips_isa_chipset *isa_chipset_tag_t;
     72 
     73 struct mips_isa_chipset {
     74 	void	*ic_v;
     75 
     76 	struct isa_dma_state ic_dmastate;
     77 
     78 	void	(*ic_attach_hook)(struct device *, struct device *,
     79 		    struct isabus_attach_args *);
     80 	const struct evcnt *(*ic_intr_evcnt)(void *, int);
     81 	void	*(*ic_intr_establish)(void *, int, int, int,
     82 		    int (*)(void *), void *);
     83 	void	(*ic_intr_disestablish)(void *, void *);
     84 	int	(*ic_intr_alloc)(void *, int, int, int *);
     85 
     86 	const char *(*ic_intr_string)(void *, int);
     87 };
     88 
     89 
     90 /*
     91  * Functions provided to machine-independent ISA code.
     92  */
     93 #define	isa_attach_hook(p, s, a)					\
     94     (*(a)->iba_ic->ic_attach_hook)((p), (s), (a))
     95 #define	isa_intr_evcnt(c, i)						\
     96     (*(c)->ic_intr_evcnt)((c)->ic_v, (i))
     97 #define	isa_intr_establish(c, i, t, l, f, a)				\
     98     (*(c)->ic_intr_establish)((c)->ic_v, (i), (t), (l), (f), (a))
     99 #define	isa_intr_disestablish(c, h)					\
    100     (*(c)->ic_intr_disestablish)((c)->ic_v, (h))
    101 #define	isa_intr_alloc(c, m, t, i)					\
    102     (*(c)->ic_intr_alloc)((c)->ic_v, (m), (t), (i))
    103 
    104 #define	isa_dmainit(ic, bst, dmat, d)					\
    105 	_isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
    106 #define	isa_dmacascade(ic, c)						\
    107 	_isa_dmacascade(&(ic)->ic_dmastate, (c))
    108 #define	isa_dmamaxsize(ic, c)						\
    109 	_isa_dmamaxsize(&(ic)->ic_dmastate, (c))
    110 #define	isa_dmamap_create(ic, c, s, f)					\
    111 	_isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
    112 #define	isa_dmamap_destroy(ic, c)					\
    113 	_isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
    114 #define	isa_dmastart(ic, c, a, n, p, f, bf)				\
    115 	_isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
    116 #define	isa_dmaabort(ic, c)						\
    117 	_isa_dmaabort(&(ic)->ic_dmastate, (c))
    118 #define	isa_dmacount(ic, c)						\
    119 	_isa_dmacount(&(ic)->ic_dmastate, (c))
    120 #define	isa_dmafinished(ic, c)						\
    121 	_isa_dmafinished(&(ic)->ic_dmastate, (c))
    122 #define	isa_dmadone(ic, c)						\
    123 	_isa_dmadone(&(ic)->ic_dmastate, (c))
    124 #define	isa_dmafreeze(ic)						\
    125 	_isa_dmafreeze(&(ic)->ic_dmastate)
    126 #define	isa_dmathaw(ic)							\
    127 	_isa_dmathaw(&(ic)->ic_dmastate)
    128 #define	isa_dmamem_alloc(ic, c, s, ap, f)				\
    129 	_isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
    130 #define	isa_dmamem_free(ic, c, a, s)					\
    131 	_isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
    132 #define	isa_dmamem_map(ic, c, a, s, kp, f)				\
    133 	_isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
    134 #define	isa_dmamem_unmap(ic, c, k, s)					\
    135 	_isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
    136 #define	isa_dmamem_mmap(ic, c, a, s, o, p, f)				\
    137 	_isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
    138 #define	isa_drq_isfree(ic, c)						\
    139 	_isa_drq_isfree(&(ic)->ic_dmastate, (c))
    140 #define	isa_malloc(ic, c, s, p, f)					\
    141 	_isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
    142 #define	isa_free(a, p)							\
    143 	_isa_free((a), (p))
    144 #define	isa_mappage(m, o, p)						\
    145 	_isa_mappage((m), (o), (p))
    146 
    147 /*
    148  * mips-specific ISA functions.
    149  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
    150  */
    151 #define	isa_intr_string(c, i)						\
    152     (*(c)->ic_intr_string)((c)->ic_v, (i))
    153 
    154 #ifdef _MIPS_BUS_DMA_PRIVATE
    155 int	isadma_bounce_dmamap_create(bus_dma_tag_t, bus_size_t, int,
    156 	    bus_size_t, bus_size_t, int, bus_dmamap_t *);
    157 void	isadma_bounce_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
    158 int	isadma_bounce_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
    159 	    bus_size_t, struct proc *, int);
    160 int	isadma_bounce_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
    161 	    struct mbuf *, int);
    162 int	isadma_bounce_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
    163 	    struct uio *, int);
    164 int	isadma_bounce_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
    165 	    bus_dma_segment_t *, int, bus_size_t, int);
    166 void	isadma_bounce_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
    167 void	isadma_bounce_dmamap_sync(bus_dma_tag_t, bus_dmamap_t,
    168 	    bus_addr_t, bus_size_t, int);
    169 
    170 int	isadma_bounce_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t,
    171 	    bus_size_t, bus_dma_segment_t *, int, int *, int);
    172 #endif /* _MIPS_BUS_DMA_PRIVATE */
    173