1 /* $NetBSD: isa_machdep.h,v 1.12 2009/08/19 15:09:56 dyoung Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 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 alpha_isa_chipset *isa_chipset_tag_t; 65 66 struct alpha_isa_chipset { 67 void *ic_v; 68 69 struct isa_dma_state ic_dmastate; 70 71 void (*ic_attach_hook)(struct device *, struct device *, 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 void (*ic_detach_hook)(isa_chipset_tag_t, device_t); 79 }; 80 81 82 /* 83 * Functions provided to machine-independent ISA code. 84 */ 85 #define isa_attach_hook(p, s, a) \ 86 (*(a)->iba_ic->ic_attach_hook)((p), (s), (a)) 87 #define isa_detach_hook(c, s) \ 88 (*(c)->ic_detach_hook)((c), (s)) 89 #define isa_intr_evcnt(c, i) \ 90 (*(c)->ic_intr_evcnt)((c)->ic_v, (i)) 91 #define isa_intr_establish(c, i, t, l, f, a) \ 92 (*(c)->ic_intr_establish)((c)->ic_v, (i), (t), (l), (f), (a)) 93 #define isa_intr_disestablish(c, h) \ 94 (*(c)->ic_intr_disestablish)((c)->ic_v, (h)) 95 #define isa_intr_alloc(c, m, t, i) \ 96 (*(c)->ic_intr_alloc)((c)->ic_v, (m), (t), (i)) 97 98 #define isa_dmainit(ic, bst, dmat, d) \ 99 _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) 100 #define isa_dmadestroy(ic) \ 101 _isa_dmadestroy(&(ic)->ic_dmastate) 102 #define isa_dmacascade(ic, c) \ 103 _isa_dmacascade(&(ic)->ic_dmastate, (c)) 104 #define isa_dmamaxsize(ic, c) \ 105 _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) 106 #define isa_dmamap_create(ic, c, s, f) \ 107 _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) 108 #define isa_dmamap_destroy(ic, c) \ 109 _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) 110 #define isa_dmastart(ic, c, a, n, p, f, bf) \ 111 _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) 112 #define isa_dmaabort(ic, c) \ 113 _isa_dmaabort(&(ic)->ic_dmastate, (c)) 114 #define isa_dmacount(ic, c) \ 115 _isa_dmacount(&(ic)->ic_dmastate, (c)) 116 #define isa_dmafinished(ic, c) \ 117 _isa_dmafinished(&(ic)->ic_dmastate, (c)) 118 #define isa_dmadone(ic, c) \ 119 _isa_dmadone(&(ic)->ic_dmastate, (c)) 120 #define isa_dmafreeze(ic) \ 121 _isa_dmafreeze(&(ic)->ic_dmastate) 122 #define isa_dmathaw(ic) \ 123 _isa_dmathaw(&(ic)->ic_dmastate) 124 #define isa_dmamem_alloc(ic, c, s, ap, f) \ 125 _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) 126 #define isa_dmamem_free(ic, c, a, s) \ 127 _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) 128 #define isa_dmamem_map(ic, c, a, s, kp, f) \ 129 _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) 130 #define isa_dmamem_unmap(ic, c, k, s) \ 131 _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) 132 #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ 133 _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) 134 #define isa_drq_alloc(ic, c) \ 135 _isa_drq_alloc(&(ic)->ic_dmastate, c) 136 #define isa_drq_free(ic, c) \ 137 _isa_drq_free(&(ic)->ic_dmastate, c) 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 * alpha-specific ISA functions. 149 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 150 */ 151 int isa_display_console(bus_space_tag_t, bus_space_tag_t); 152 void isabeep(int, int); 153 154 #ifdef _ALPHA_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 /* _ALPHA_BUS_DMA_PRIVATE */ 173