1 /* $NetBSD: isa_machdep.h,v 1.7 2000/06/04 19:14:19 cgd 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 * 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@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 alpha_isa_chipset *isa_chipset_tag_t; 72 73 struct alpha_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 87 88 /* 89 * Functions provided to machine-independent ISA code. 90 */ 91 #define isa_attach_hook(p, s, a) \ 92 (*(a)->iba_ic->ic_attach_hook)((p), (s), (a)) 93 #define isa_intr_evcnt(c, i) \ 94 (*(c)->ic_intr_evcnt)((c)->ic_v, (i)) 95 #define isa_intr_establish(c, i, t, l, f, a) \ 96 (*(c)->ic_intr_establish)((c)->ic_v, (i), (t), (l), (f), (a)) 97 #define isa_intr_disestablish(c, h) \ 98 (*(c)->ic_intr_disestablish)((c)->ic_v, (h)) 99 #define isa_intr_alloc(c, m, t, i) \ 100 (*(c)->ic_intr_alloc)((c)->ic_v, (m), (t), (i)) 101 102 #define isa_dmainit(ic, bst, dmat, d) \ 103 _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) 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_isfree(ic, c) \ 137 _isa_drq_isfree(&(ic)->ic_dmastate, (c)) 138 #define isa_malloc(ic, c, s, p, f) \ 139 _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) 140 #define isa_free(a, p) \ 141 _isa_free((a), (p)) 142 #define isa_mappage(m, o, p) \ 143 _isa_mappage((m), (o), (p)) 144 145 /* 146 * alpha-specific ISA functions. 147 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 148 */ 149 int isa_display_console(bus_space_tag_t, bus_space_tag_t); 150 void isabeep(int, int); 151 152 #ifdef _ALPHA_BUS_DMA_PRIVATE 153 int isadma_bounce_dmamap_create(bus_dma_tag_t, bus_size_t, int, 154 bus_size_t, bus_size_t, int, bus_dmamap_t *); 155 void isadma_bounce_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t); 156 int isadma_bounce_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, 157 bus_size_t, struct proc *, int); 158 int isadma_bounce_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t, 159 struct mbuf *, int); 160 int isadma_bounce_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t, 161 struct uio *, int); 162 int isadma_bounce_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t, 163 bus_dma_segment_t *, int, bus_size_t, int); 164 void isadma_bounce_dmamap_unload(bus_dma_tag_t, bus_dmamap_t); 165 void isadma_bounce_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, 166 bus_addr_t, bus_size_t, int); 167 168 int isadma_bounce_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t, 169 bus_size_t, bus_dma_segment_t *, int, int *, int); 170 #endif /* _ALPHA_BUS_DMA_PRIVATE */ 171