isa_machdep.h revision 1.6
1 /* $NetBSD: isa_machdep.h,v 1.6 2008/06/27 11:03:13 cegger 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 <dev/isa/isadmavar.h> 77 78 /* 79 * XXX THIS FILE IS A MESS. copyright: berkeley's probably. 80 * contents from isavar.h and isareg.h, mostly the latter. 81 * perhaps charles's? 82 * 83 * copyright from berkeley's isa.h which is now dev/isa/isareg.h. 84 */ 85 86 /* 87 * Types provided to machine-independent ISA code. 88 */ 89 struct x86_isa_chipset { 90 struct isa_dma_state ic_dmastate; 91 }; 92 93 typedef struct x86_isa_chipset *isa_chipset_tag_t; 94 95 struct isabus_attach_args; /* XXX */ 96 97 /* 98 * Functions provided to machine-independent ISA code. 99 */ 100 void isa_attach_hook(device_t, device_t, 101 struct isabus_attach_args *); 102 int isa_intr_alloc(isa_chipset_tag_t, int, int, int *); 103 const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq); 104 void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, 105 int level, int (*ih_fun)(void *), void *ih_arg); 106 void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler); 107 int isa_mem_alloc(bus_space_tag_t, bus_size_t, bus_size_t, 108 bus_addr_t, int, bus_addr_t *, bus_space_handle_t *); 109 void isa_mem_free(bus_space_tag_t, bus_space_handle_t, bus_size_t); 110 111 #define isa_dmainit(ic, bst, dmat, d) \ 112 _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) 113 #define isa_dmacascade(ic, c) \ 114 _isa_dmacascade(&(ic)->ic_dmastate, (c)) 115 #define isa_dmamaxsize(ic, c) \ 116 _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) 117 #define isa_dmamap_create(ic, c, s, f) \ 118 _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) 119 #define isa_dmamap_destroy(ic, c) \ 120 _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) 121 #define isa_dmastart(ic, c, a, n, p, f, bf) \ 122 _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) 123 #define isa_dmaabort(ic, c) \ 124 _isa_dmaabort(&(ic)->ic_dmastate, (c)) 125 #define isa_dmacount(ic, c) \ 126 _isa_dmacount(&(ic)->ic_dmastate, (c)) 127 #define isa_dmafinished(ic, c) \ 128 _isa_dmafinished(&(ic)->ic_dmastate, (c)) 129 #define isa_dmadone(ic, c) \ 130 _isa_dmadone(&(ic)->ic_dmastate, (c)) 131 #define isa_dmafreeze(ic) \ 132 _isa_dmafreeze(&(ic)->ic_dmastate) 133 #define isa_dmathaw(ic) \ 134 _isa_dmathaw(&(ic)->ic_dmastate) 135 #define isa_dmamem_alloc(ic, c, s, ap, f) \ 136 _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) 137 #define isa_dmamem_free(ic, c, a, s) \ 138 _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) 139 #define isa_dmamem_map(ic, c, a, s, kp, f) \ 140 _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) 141 #define isa_dmamem_unmap(ic, c, k, s) \ 142 _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) 143 #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ 144 _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) 145 #define isa_drq_alloc(ic, c) \ 146 _isa_drq_alloc(&(ic)->ic_dmastate, c) 147 #define isa_drq_free(ic, c) \ 148 _isa_drq_free(&(ic)->ic_dmastate, c) 149 #define isa_drq_isfree(ic, c) \ 150 _isa_drq_isfree(&(ic)->ic_dmastate, (c)) 151 #define isa_malloc(ic, c, s, p, f) \ 152 _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) 153 #define isa_free(a, p) \ 154 _isa_free((a), (p)) 155 #define isa_mappage(m, o, p) \ 156 _isa_mappage((m), (o), (p)) 157 158 /* 159 * for ACPI code 160 */ 161 162 void isa_reinit_irq(void); 163 164 /* 165 * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED 166 * BY PORTABLE CODE. 167 */ 168 169 extern struct x86_bus_dma_tag isa_bus_dma_tag; 170 171 /* 172 * XXX Various seemingly PC-specific constants, some of which may be 173 * unnecessary anyway. 174 */ 175 176 /* 177 * RAM Physical Address Space (ignoring the above mentioned "hole") 178 */ 179 #define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ 180 #define RAM_END 0x1000000 /* End of RAM Memory */ 181 #define RAM_SIZE (RAM_END - RAM_BEGIN) 182 183 /* 184 * Oddball Physical Memory Addresses 185 */ 186 #define COMPAQ_RAMRELOC 0x80c00000 /* Compaq RAM relocation/diag */ 187 #define COMPAQ_RAMSETUP 0x80c00002 /* Compaq RAM setup */ 188 #define WEITEK_FPU 0xC0000000 /* WTL 2167 */ 189 #define CYRIX_EMC 0xC0000000 /* Cyrix EMC */ 190 191 /* 192 * stuff that used to be in pccons.c 193 */ 194 #define MONO_BASE 0x3B4 195 #define MONO_BUF 0xB0000 196 #define CGA_BASE 0x3D4 197 #define CGA_BUF 0xB8000 198 199 /* 200 * Variables and macros to deal with the ISA I/O hole. 201 * XXX These should be converted to machine- and bus-mapping-independent 202 * function definitions, invoked through the softc. 203 */ 204 205 extern u_long atdevbase; /* kernel virtual address of "hole" */ 206 207 /* 208 * Given a kernel virtual address for some location 209 * in the "hole" I/O space, return a physical address. 210 */ 211 #define ISA_PHYSADDR(v) ((void *) ((u_long)(v) - atdevbase + IOM_BEGIN)) 212 213 /* 214 * Given a physical address in the "hole", 215 * return a kernel virtual address. 216 */ 217 #define ISA_HOLE_VADDR(p) ((void *) ((u_long)(p) - IOM_BEGIN + atdevbase)) 218 219 220 /* 221 * Miscellanous functions. 222 */ 223 void sysbeep(int, int); /* beep with the system speaker */ 224 225 #endif /* _X86_ISA_MACHDEP_H_ XXX */ 226
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