sys/arch/mips/include/isa_machdep.h

   1 /* $NetBSD: isa_machdep.h,v 1.4 2009/08/19 15:09:56 dyoung 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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Copyright (c) 1996 Carnegie-Mellon University.
  34  * All rights reserved.
  35  *
  36  * Author: Chris G. Demetriou
  37  *
  38  * Permission to use, copy, modify and distribute this software and
  39  * its documentation is hereby granted, provided that both the copyright
  40  * notice and this permission notice appear in all copies of the
  41  * software, derivative works or modified versions, and any portions
  42  * thereof, and that both notices appear in supporting documentation.
  43  *
  44  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  45  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  46  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  47  *
  48  * Carnegie Mellon requests users of this software to return to
  49  *
  50  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  51  *  School of Computer Science
  52  *  Carnegie Mellon University
  53  *  Pittsburgh PA 15213-3890
  54  *
  55  * any improvements or extensions that they make and grant Carnegie the
  56  * rights to redistribute these changes.
  57  */
  58
  59 #include <dev/isa/isadmavar.h>
  60
  61 /*
  62  * Types provided to machine-independent ISA code.
  63  */
  64 typedef struct mips_isa_chipset *isa_chipset_tag_t;
  65
  66 struct mips_isa_chipset {
  67         void    *ic_v;
  68
  69         struct isa_dma_state ic_dmastate;
  70
  71         void    (*ic_attach_hook)(device_t, device_t,
  72                     struct isabus_attach_args *);
  73         const struct evcnt *(*ic_intr_evcnt)(void *, int);
  74         void    *(*ic_intr_establish)(void *, int, int, int,
  75                     int (*)(void *), void *);
  76         void    (*ic_intr_disestablish)(void *, void *);
  77         int     (*ic_intr_alloc)(void *, int, int, int *);
  78
  79         const char *(*ic_intr_string)(void *, int);
  80         void    (*ic_detach_hook)(isa_chipset_tag_t, device_t);
  81 };
  82
  83
  84 /*
  85  * Functions provided to machine-independent ISA code.
  86  */
  87 #define isa_attach_hook(p, s, a)                                        \
  88     (*(a)->iba_ic->ic_attach_hook)((p), (s), (a))
  89 #define isa_detach_hook(c, s)                                           \
  90     (*(c)->ic_detach_hook)((c), (s))
  91 #define isa_intr_evcnt(c, i)                                            \
  92     (*(c)->ic_intr_evcnt)((c)->ic_v, (i))
  93 #define isa_intr_establish(c, i, t, l, f, a)                            \
  94     (*(c)->ic_intr_establish)((c)->ic_v, (i), (t), (l), (f), (a))
  95 #define isa_intr_disestablish(c, h)                                     \
  96     (*(c)->ic_intr_disestablish)((c)->ic_v, (h))
  97 #define isa_intr_alloc(c, m, t, i)                                      \
  98     (*(c)->ic_intr_alloc)((c)->ic_v, (m), (t), (i))
  99
 100 #define isa_dmainit(ic, bst, dmat, d)                                   \
 101         _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
 102 #define isa_dmadestroy(ic)                                              \
 103         _isa_dmadestroy(&(ic)->ic_dmastate)
 104 #define isa_dmacascade(ic, c)                                           \
 105         _isa_dmacascade(&(ic)->ic_dmastate, (c))
 106 #define isa_dmamaxsize(ic, c)                                           \
 107         _isa_dmamaxsize(&(ic)->ic_dmastate, (c))
 108 #define isa_dmamap_create(ic, c, s, f)                                  \
 109         _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
 110 #define isa_dmamap_destroy(ic, c)                                       \
 111         _isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
 112 #define isa_dmastart(ic, c, a, n, p, f, bf)                             \
 113         _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
 114 #define isa_dmaabort(ic, c)                                             \
 115         _isa_dmaabort(&(ic)->ic_dmastate, (c))
 116 #define isa_dmacount(ic, c)                                             \
 117         _isa_dmacount(&(ic)->ic_dmastate, (c))
 118 #define isa_dmafinished(ic, c)                                          \
 119         _isa_dmafinished(&(ic)->ic_dmastate, (c))
 120 #define isa_dmadone(ic, c)                                              \
 121         _isa_dmadone(&(ic)->ic_dmastate, (c))
 122 #define isa_dmafreeze(ic)                                               \
 123         _isa_dmafreeze(&(ic)->ic_dmastate)
 124 #define isa_dmathaw(ic)                                                 \
 125         _isa_dmathaw(&(ic)->ic_dmastate)
 126 #define isa_dmamem_alloc(ic, c, s, ap, f)                               \
 127         _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
 128 #define isa_dmamem_free(ic, c, a, s)                                    \
 129         _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
 130 #define isa_dmamem_map(ic, c, a, s, kp, f)                              \
 131         _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
 132 #define isa_dmamem_unmap(ic, c, k, s)                                   \
 133         _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
 134 #define isa_dmamem_mmap(ic, c, a, s, o, p, f)                           \
 135         _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
 136 #define isa_drq_alloc(ic, c)                                            \
 137         _isa_drq_alloc(&(ic)->ic_dmastate, c)
 138 #define isa_drq_free(ic, c)                                             \
 139         _isa_drq_free(&(ic)->ic_dmastate, c)
 140 #define isa_drq_isfree(ic, c)                                           \
 141         _isa_drq_isfree(&(ic)->ic_dmastate, (c))
 142 #define isa_malloc(ic, c, s, p, f)                                      \
 143         _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
 144 #define isa_free(a, p)                                                  \
 145         _isa_free((a), (p))
 146 #define isa_mappage(m, o, p)                                            \
 147         _isa_mappage((m), (o), (p))
 148
 149 /*
 150  * mips-specific ISA functions.
 151  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
 152  */
 153 #define isa_intr_string(c, i)                                           \
 154     (*(c)->ic_intr_string)((c)->ic_v, (i))
 155
 156 #ifdef _MIPS_BUS_DMA_PRIVATE
 157 int     isadma_bounce_dmamap_create(bus_dma_tag_t, bus_size_t, int,
 158             bus_size_t, bus_size_t, int, bus_dmamap_t *);
 159 void    isadma_bounce_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
 160 int     isadma_bounce_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
 161             bus_size_t, struct proc *, int);
 162 int     isadma_bounce_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
 163             struct mbuf *, int);
 164 int     isadma_bounce_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
 165             struct uio *, int);
 166 int     isadma_bounce_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
 167             bus_dma_segment_t *, int, bus_size_t, int);
 168 void    isadma_bounce_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
 169 void    isadma_bounce_dmamap_sync(bus_dma_tag_t, bus_dmamap_t,
 170             bus_addr_t, bus_size_t, int);
 171
 172 int     isadma_bounce_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t,
 173             bus_size_t, bus_dma_segment_t *, int, int *, int);
 174 #endif /* _MIPS_BUS_DMA_PRIVATE */