isa_machdep.h revision 1.1
1/* $OpenBSD: isa_machdep.h,v 1.1 2004/01/28 01:39:39 mickey Exp $ */ 2/* $NetBSD: isa_machdep.h,v 1.2 2003/05/09 23:51:28 fvdl Exp $ */ 3 4/*- 5 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 10 * NASA Ames Research Center. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41/*- 42 * Copyright (c) 1990 The Regents of the University of California. 43 * All rights reserved. 44 * 45 * This code is derived from software contributed to Berkeley by 46 * William Jolitz. 47 * 48 * Redistribution and use in source and binary forms, with or without 49 * modification, are permitted provided that the following conditions 50 * are met: 51 * 1. Redistributions of source code must retain the above copyright 52 * notice, this list of conditions and the following disclaimer. 53 * 2. Redistributions in binary form must reproduce the above copyright 54 * notice, this list of conditions and the following disclaimer in the 55 * documentation and/or other materials provided with the distribution. 56 * 3. All advertising materials mentioning features or use of this software 57 * must display the following acknowledgement: 58 * This product includes software developed by the University of 59 * California, Berkeley and its contributors. 60 * 4. Neither the name of the University nor the names of its contributors 61 * may be used to endorse or promote products derived from this software 62 * without specific prior written permission. 63 * 64 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 65 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 66 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 67 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 68 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 69 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 70 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 71 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 72 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 73 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 74 * SUCH DAMAGE. 75 * 76 * @(#)isa.h 5.7 (Berkeley) 5/9/91 77 */ 78 79/* 80 * Various pieces of the i386 port want to include this file without 81 * or in spite of using isavar.h, and should be fixed. 82 */ 83 84#ifndef _I386_ISA_MACHDEP_H_ /* XXX */ 85#define _I386_ISA_MACHDEP_H_ /* XXX */ 86 87#include <machine/bus.h> 88#include <dev/isa/isadmavar.h> 89 90/* 91 * XXX THIS FILE IS A MESS. copyright: berkeley's probably. 92 * contents from isavar.h and isareg.h, mostly the latter. 93 * perhaps charles's? 94 * 95 * copyright from berkeley's isa.h which is now dev/isa/isareg.h. 96 */ 97 98/* 99 * Types provided to machine-independent ISA code. 100 */ 101 102typedef void *isa_chipset_tag_t; 103 104struct device; /* XXX */ 105struct isabus_attach_args; /* XXX */ 106 107/* 108 * Functions provided to machine-independent ISA code. 109 */ 110void isa_attach_hook(struct device *, struct device *, 111 struct isabus_attach_args *); 112int isa_intr_alloc(isa_chipset_tag_t, int, int, int *); 113const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq); 114void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, 115 int level, int (*ih_fun)(void *), void *ih_arg, char *); 116void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler); 117int isa_mem_alloc(bus_space_tag_t, bus_size_t, bus_size_t, 118 bus_addr_t, int, bus_addr_t *, bus_space_handle_t *); 119void isa_mem_free(bus_space_tag_t, bus_space_handle_t, bus_size_t); 120 121#define isa_dmainit(ic, bst, dmat, d) \ 122 _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) 123#define isa_dmacascade(ic, c) \ 124 _isa_dmacascade(&(ic)->ic_dmastate, (c)) 125#define isa_dmamaxsize(ic, c) \ 126 _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) 127#define isa_dmamap_create(ic, c, s, f) \ 128 _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) 129#define isa_dmamap_destroy(ic, c) \ 130 _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) 131#define isa_dmastart(ic, c, a, n, p, f, bf) \ 132 _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) 133#define isa_dmaabort(ic, c) \ 134 _isa_dmaabort(&(ic)->ic_dmastate, (c)) 135#define isa_dmacount(ic, c) \ 136 _isa_dmacount(&(ic)->ic_dmastate, (c)) 137#define isa_dmafinished(ic, c) \ 138 _isa_dmafinished(&(ic)->ic_dmastate, (c)) 139#define isa_dmadone(ic, c) \ 140 _isa_dmadone(&(ic)->ic_dmastate, (c)) 141#define isa_dmafreeze(ic) \ 142 _isa_dmafreeze(&(ic)->ic_dmastate) 143#define isa_dmathaw(ic) \ 144 _isa_dmathaw(&(ic)->ic_dmastate) 145#define isa_dmamem_alloc(ic, c, s, ap, f) \ 146 _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) 147#define isa_dmamem_free(ic, c, a, s) \ 148 _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) 149#define isa_dmamem_map(ic, c, a, s, kp, f) \ 150 _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) 151#define isa_dmamem_unmap(ic, c, k, s) \ 152 _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) 153#define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ 154 _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) 155#define isa_drq_alloc(ic, c) \ 156 _isa_drq_alloc(&(ic)->ic_dmastate, c) 157#define isa_drq_free(ic, c) \ 158 _isa_drq_free(&(ic)->ic_dmastate, c) 159#define isa_drq_isfree(ic, c) \ 160 _isa_drq_isfree(&(ic)->ic_dmastate, (c)) 161#define isa_malloc(ic, c, s, p, f) \ 162 _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) 163#define isa_free(a, p) \ 164 _isa_free((a), (p)) 165#define isa_mappage(m, o, p) \ 166 _isa_mappage((m), (o), (p)) 167 168int isa_intr_check(isa_chipset_tag_t, int, int); 169 170/* 171 * for ACPI code 172 */ 173 174void isa_reinit_irq(void); 175 176/* 177 * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED 178 * BY PORTABLE CODE. 179 */ 180 181extern struct x86_bus_dma_tag isa_bus_dma_tag; 182 183/* 184 * XXX Various seemingly PC-specific constants, some of which may be 185 * unnecessary anyway. 186 */ 187 188/* 189 * RAM Physical Address Space (ignoring the above mentioned "hole") 190 */ 191#define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ 192#define RAM_END 0x1000000 /* End of RAM Memory */ 193#define RAM_SIZE (RAM_END - RAM_BEGIN) 194 195/* 196 * Oddball Physical Memory Addresses 197 */ 198#define COMPAQ_RAMRELOC 0x80c00000 /* Compaq RAM relocation/diag */ 199#define COMPAQ_RAMSETUP 0x80c00002 /* Compaq RAM setup */ 200#define WEITEK_FPU 0xC0000000 /* WTL 2167 */ 201#define CYRIX_EMC 0xC0000000 /* Cyrix EMC */ 202 203/* 204 * stuff that used to be in pccons.c 205 */ 206#define MONO_BASE 0x3B4 207#define MONO_BUF 0xB0000 208#define CGA_BASE 0x3D4 209#define CGA_BUF 0xB8000 210 211/* 212 * Variables and macros to deal with the ISA I/O hole. 213 * XXX These should be converted to machine- and bus-mapping-independent 214 * function definitions, invoked through the softc. 215 */ 216 217extern u_long atdevbase; /* kernel virtual address of "hole" */ 218 219/* 220 * Given a kernel virtual address for some location 221 * in the "hole" I/O space, return a physical address. 222 */ 223#define ISA_PHYSADDR(v) ((void *) ((u_long)(v) - atdevbase + IOM_BEGIN)) 224 225/* 226 * Given a physical address in the "hole", 227 * return a kernel virtual address. 228 */ 229#define ISA_HOLE_VADDR(p) ((void *) ((u_long)(p) - IOM_BEGIN + atdevbase)) 230 231 232/* 233 * Miscellanous functions. 234 */ 235void sysbeep(int, int); /* beep with the system speaker */ 236 237#endif /* _I386_ISA_MACHDEP_H_ XXX */ 238