isa_machdep.h revision 1.9
1 /* $NetBSD: isa_machdep.h,v 1.9 2009/08/18 17:02:00 dyoung 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /*- 34 * Copyright (c) 1990 The Regents of the University of California. 35 * All rights reserved. 36 * 37 * This code is derived from software contributed to Berkeley by 38 * William Jolitz. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)isa.h 5.7 (Berkeley) 5/9/91 65 */ 66 67 /* 68 * Various pieces of the i386 port want to include this file without 69 * or in spite of using isavar.h, and should be fixed. 70 */ 71 72 #ifndef _X86_ISA_MACHDEP_H_ /* XXX */ 73 #define _X86_ISA_MACHDEP_H_ /* XXX */ 74 75 #include <machine/bus.h> 76 #include <sys/device.h> 77 #include <dev/isa/isadmavar.h> 78 79 /* 80 * XXX THIS FILE IS A MESS. copyright: berkeley's probably. 81 * contents from isavar.h and isareg.h, mostly the latter. 82 * perhaps charles's? 83 * 84 * copyright from berkeley's isa.h which is now dev/isa/isareg.h. 85 */ 86 87 /* 88 * Types provided to machine-independent ISA code. 89 */ 90 struct x86_isa_chipset { 91 struct isa_dma_state ic_dmastate; 92 }; 93 94 typedef struct x86_isa_chipset *isa_chipset_tag_t; 95 96 struct isabus_attach_args; /* XXX */ 97 98 /* 99 * Functions provided to machine-independent ISA code. 100 */ 101 void isa_attach_hook(device_t, device_t, 102 struct isabus_attach_args *); 103 void isa_detach_hook(device_t); 104 int isa_intr_alloc(isa_chipset_tag_t, int, int, int *); 105 const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq); 106 void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, 107 int level, int (*ih_fun)(void *), void *ih_arg); 108 void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler); 109 int isa_mem_alloc(bus_space_tag_t, bus_size_t, bus_size_t, 110 bus_addr_t, int, bus_addr_t *, bus_space_handle_t *); 111 void isa_mem_free(bus_space_tag_t, bus_space_handle_t, bus_size_t); 112 113 #define isa_dmadestroy(ic) \ 114 _isa_dmadestroy(&(ic)->ic_dmastate) 115 #define isa_dmainit(ic, bst, dmat, d) \ 116 _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) 117 #define isa_dmacascade(ic, c) \ 118 _isa_dmacascade(&(ic)->ic_dmastate, (c)) 119 #define isa_dmamaxsize(ic, c) \ 120 _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) 121 #define isa_dmamap_create(ic, c, s, f) \ 122 _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) 123 #define isa_dmamap_destroy(ic, c) \ 124 _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) 125 #define isa_dmastart(ic, c, a, n, p, f, bf) \ 126 _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) 127 #define isa_dmaabort(ic, c) \ 128 _isa_dmaabort(&(ic)->ic_dmastate, (c)) 129 #define isa_dmacount(ic, c) \ 130 _isa_dmacount(&(ic)->ic_dmastate, (c)) 131 #define isa_dmafinished(ic, c) \ 132 _isa_dmafinished(&(ic)->ic_dmastate, (c)) 133 #define isa_dmadone(ic, c) \ 134 _isa_dmadone(&(ic)->ic_dmastate, (c)) 135 #define isa_dmafreeze(ic) \ 136 _isa_dmafreeze(&(ic)->ic_dmastate) 137 #define isa_dmathaw(ic) \ 138 _isa_dmathaw(&(ic)->ic_dmastate) 139 #define isa_dmamem_alloc(ic, c, s, ap, f) \ 140 _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) 141 #define isa_dmamem_free(ic, c, a, s) \ 142 _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) 143 #define isa_dmamem_map(ic, c, a, s, kp, f) \ 144 _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) 145 #define isa_dmamem_unmap(ic, c, k, s) \ 146 _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) 147 #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ 148 _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) 149 #define isa_drq_alloc(ic, c) \ 150 _isa_drq_alloc(&(ic)->ic_dmastate, c) 151 #define isa_drq_free(ic, c) \ 152 _isa_drq_free(&(ic)->ic_dmastate, c) 153 #define isa_drq_isfree(ic, c) \ 154 _isa_drq_isfree(&(ic)->ic_dmastate, (c)) 155 #define isa_malloc(ic, c, s, p, f) \ 156 _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) 157 #define isa_free(a, p) \ 158 _isa_free((a), (p)) 159 #define isa_mappage(m, o, p) \ 160 _isa_mappage((m), (o), (p)) 161 162 /* 163 * for ACPI code 164 */ 165 166 void isa_reinit_irq(void); 167 168 /* 169 * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED 170 * BY PORTABLE CODE. 171 */ 172 173 extern struct x86_bus_dma_tag isa_bus_dma_tag; 174 175 /* 176 * XXX Various seemingly PC-specific constants, some of which may be 177 * unnecessary anyway. 178 */ 179 180 /* 181 * RAM Physical Address Space (ignoring the above mentioned "hole") 182 */ 183 #define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ 184 #define RAM_END 0x1000000 /* End of RAM Memory */ 185 #define RAM_SIZE (RAM_END - RAM_BEGIN) 186 187 /* 188 * Oddball Physical Memory Addresses 189 */ 190 #define COMPAQ_RAMRELOC 0x80c00000 /* Compaq RAM relocation/diag */ 191 #define COMPAQ_RAMSETUP 0x80c00002 /* Compaq RAM setup */ 192 #define WEITEK_FPU 0xC0000000 /* WTL 2167 */ 193 #define CYRIX_EMC 0xC0000000 /* Cyrix EMC */ 194 195 /* 196 * stuff that used to be in pccons.c 197 */ 198 #define MONO_BASE 0x3B4 199 #define MONO_BUF 0xB0000 200 #define CGA_BASE 0x3D4 201 #define CGA_BUF 0xB8000 202 203 /* 204 * Variables and macros to deal with the ISA I/O hole. 205 * XXX These should be converted to machine- and bus-mapping-independent 206 * function definitions, invoked through the softc. 207 */ 208 209 extern vaddr_t atdevbase; /* kernel virtual address of "hole" */ 210 211 /* 212 * Given a kernel virtual address for some location 213 * in the "hole" I/O space, return a physical address. 214 */ 215 #define ISA_PHYSADDR(v) ((bus_addr_t)(v) - atdevbase + IOM_BEGIN) 216 217 /* 218 * Given a physical address in the "hole", 219 * return a kernel virtual address. 220 */ 221 #define ISA_HOLE_VADDR(p) ((void *) ((vaddr_t)(p) - IOM_BEGIN + atdevbase)) 222 223 224 /* 225 * Miscellanous functions. 226 */ 227 void sysbeep(int, int); /* beep with the system speaker */ 228 229 #endif /* _X86_ISA_MACHDEP_H_ XXX */ 230
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