1 /* $NetBSD: isa_machdep.h,v 1.2 2003/05/09 23:51:28 fvdl Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997, 1998 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 of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /*- 41 * Copyright (c) 1990 The Regents of the University of California. 42 * All rights reserved. 43 * 44 * This code is derived from software contributed to Berkeley by 45 * William Jolitz. 46 * 47 * Redistribution and use in source and binary forms, with or without 48 * modification, are permitted provided that the following conditions 49 * are met: 50 * 1. Redistributions of source code must retain the above copyright 51 * notice, this list of conditions and the following disclaimer. 52 * 2. Redistributions in binary form must reproduce the above copyright 53 * notice, this list of conditions and the following disclaimer in the 54 * documentation and/or other materials provided with the distribution. 55 * 3. All advertising materials mentioning features or use of this software 56 * must display the following acknowledgement: 57 * This product includes software developed by the University of 58 * California, Berkeley and its contributors. 59 * 4. Neither the name of the University nor the names of its contributors 60 * may be used to endorse or promote products derived from this software 61 * without specific prior written permission. 62 * 63 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 64 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 65 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 66 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 67 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 68 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 69 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 70 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 71 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 72 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 73 * SUCH DAMAGE. 74 * 75 * @(#)isa.h 5.7 (Berkeley) 5/9/91 76 */ 77 78 /* 79 * Various pieces of the i386 port want to include this file without 80 * or in spite of using isavar.h, and should be fixed. 81 */ 82 83 #ifndef _I386_ISA_MACHDEP_H_ /* XXX */ 84 #define _I386_ISA_MACHDEP_H_ /* XXX */ 85 86 #include <machine/bus.h> 87 #include <dev/isa/isadmavar.h> 88 89 /* 90 * XXX THIS FILE IS A MESS. copyright: berkeley's probably. 91 * contents from isavar.h and isareg.h, mostly the latter. 92 * perhaps charles's? 93 * 94 * copyright from berkeley's isa.h which is now dev/isa/isareg.h. 95 */ 96 97 /* 98 * Types provided to machine-independent ISA code. 99 */ 100 struct x86_isa_chipset { 101 struct isa_dma_state ic_dmastate; 102 }; 103 104 typedef struct x86_isa_chipset *isa_chipset_tag_t; 105 106 struct device; /* XXX */ 107 struct isabus_attach_args; /* XXX */ 108 109 /* 110 * Functions provided to machine-independent ISA code. 111 */ 112 void isa_attach_hook(struct device *, struct device *, 113 struct isabus_attach_args *); 114 int isa_intr_alloc(isa_chipset_tag_t, int, int, int *); 115 const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq); 116 void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, 117 int level, int (*ih_fun)(void *), void *ih_arg); 118 void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler); 119 int isa_mem_alloc(bus_space_tag_t, bus_size_t, bus_size_t, 120 bus_addr_t, int, bus_addr_t *, bus_space_handle_t *); 121 void isa_mem_free(bus_space_tag_t, bus_space_handle_t, bus_size_t); 122 123 #define isa_dmainit(ic, bst, dmat, d) \ 124 _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) 125 #define isa_dmacascade(ic, c) \ 126 _isa_dmacascade(&(ic)->ic_dmastate, (c)) 127 #define isa_dmamaxsize(ic, c) \ 128 _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) 129 #define isa_dmamap_create(ic, c, s, f) \ 130 _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) 131 #define isa_dmamap_destroy(ic, c) \ 132 _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) 133 #define isa_dmastart(ic, c, a, n, p, f, bf) \ 134 _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) 135 #define isa_dmaabort(ic, c) \ 136 _isa_dmaabort(&(ic)->ic_dmastate, (c)) 137 #define isa_dmacount(ic, c) \ 138 _isa_dmacount(&(ic)->ic_dmastate, (c)) 139 #define isa_dmafinished(ic, c) \ 140 _isa_dmafinished(&(ic)->ic_dmastate, (c)) 141 #define isa_dmadone(ic, c) \ 142 _isa_dmadone(&(ic)->ic_dmastate, (c)) 143 #define isa_dmafreeze(ic) \ 144 _isa_dmafreeze(&(ic)->ic_dmastate) 145 #define isa_dmathaw(ic) \ 146 _isa_dmathaw(&(ic)->ic_dmastate) 147 #define isa_dmamem_alloc(ic, c, s, ap, f) \ 148 _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) 149 #define isa_dmamem_free(ic, c, a, s) \ 150 _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) 151 #define isa_dmamem_map(ic, c, a, s, kp, f) \ 152 _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) 153 #define isa_dmamem_unmap(ic, c, k, s) \ 154 _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) 155 #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ 156 _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) 157 #define isa_drq_alloc(ic, c) \ 158 _isa_drq_alloc(&(ic)->ic_dmastate, c) 159 #define isa_drq_free(ic, c) \ 160 _isa_drq_free(&(ic)->ic_dmastate, c) 161 #define isa_drq_isfree(ic, c) \ 162 _isa_drq_isfree(&(ic)->ic_dmastate, (c)) 163 #define isa_malloc(ic, c, s, p, f) \ 164 _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) 165 #define isa_free(a, p) \ 166 _isa_free((a), (p)) 167 #define isa_mappage(m, o, p) \ 168 _isa_mappage((m), (o), (p)) 169 170 /* 171 * for ACPI code 172 */ 173 174 void isa_reinit_irq(void); 175 176 /* 177 * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED 178 * BY PORTABLE CODE. 179 */ 180 181 extern 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 */ 216 217 extern 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 */ 235 void sysbeep(int, int); /* beep with the system speaker */ 236 237 #endif /* _I386_ISA_MACHDEP_H_ XXX */ 238