| 1 | /* $NetBSD: isa_machdep.h,v 1.12 2016/10/15 16:46:14 jdolecek 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 <sys/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(isa_chipset_tag_t, 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_establish_xname(isa_chipset_tag_t ic, int irq, int type, |
| 109 | int level, int (*ih_fun)(void *), void *ih_arg, const char *xname); |
| 110 | void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler); |
| 111 | int isa_mem_alloc(bus_space_tag_t, bus_size_t, bus_size_t, |
| 112 | bus_addr_t, int, bus_addr_t *, bus_space_handle_t *); |
| 113 | void isa_mem_free(bus_space_tag_t, bus_space_handle_t, bus_size_t); |
| 114 | |
| 115 | #define isa_dmadestroy(ic) \ |
| 116 | _isa_dmadestroy(&(ic)->ic_dmastate) |
| 117 | #define isa_dmainit(ic, bst, dmat, d) \ |
| 118 | _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) |
| 119 | #define isa_dmacascade(ic, c) \ |
| 120 | _isa_dmacascade(&(ic)->ic_dmastate, (c)) |
| 121 | #define isa_dmamaxsize(ic, c) \ |
| 122 | _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) |
| 123 | #define isa_dmamap_create(ic, c, s, f) \ |
| 124 | _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) |
| 125 | #define isa_dmamap_destroy(ic, c) \ |
| 126 | _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) |
| 127 | #define isa_dmastart(ic, c, a, n, p, f, bf) \ |
| 128 | _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) |
| 129 | #define isa_dmaabort(ic, c) \ |
| 130 | _isa_dmaabort(&(ic)->ic_dmastate, (c)) |
| 131 | #define isa_dmacount(ic, c) \ |
| 132 | _isa_dmacount(&(ic)->ic_dmastate, (c)) |
| 133 | #define isa_dmafinished(ic, c) \ |
| 134 | _isa_dmafinished(&(ic)->ic_dmastate, (c)) |
| 135 | #define isa_dmadone(ic, c) \ |
| 136 | _isa_dmadone(&(ic)->ic_dmastate, (c)) |
| 137 | #define isa_dmafreeze(ic) \ |
| 138 | _isa_dmafreeze(&(ic)->ic_dmastate) |
| 139 | #define isa_dmathaw(ic) \ |
| 140 | _isa_dmathaw(&(ic)->ic_dmastate) |
| 141 | #define isa_dmamem_alloc(ic, c, s, ap, f) \ |
| 142 | _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) |
| 143 | #define isa_dmamem_free(ic, c, a, s) \ |
| 144 | _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) |
| 145 | #define isa_dmamem_map(ic, c, a, s, kp, f) \ |
| 146 | _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) |
| 147 | #define isa_dmamem_unmap(ic, c, k, s) \ |
| 148 | _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) |
| 149 | #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ |
| 150 | _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) |
| 151 | #define isa_drq_alloc(ic, c) \ |
| 152 | _isa_drq_alloc(&(ic)->ic_dmastate, c) |
| 153 | #define isa_drq_free(ic, c) \ |
| 154 | _isa_drq_free(&(ic)->ic_dmastate, c) |
| 155 | #define isa_drq_isfree(ic, c) \ |
| 156 | _isa_drq_isfree(&(ic)->ic_dmastate, (c)) |
| 157 | #define isa_malloc(ic, c, s, p, f) \ |
| 158 | _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) |
| 159 | #define isa_free(a, p) \ |
| 160 | _isa_free((a), (p)) |
| 161 | #define isa_mappage(m, o, p) \ |
| 162 | _isa_mappage((m), (o), (p)) |
| 163 | |
| 164 | /* |
| 165 | * for ACPI code |
| 166 | */ |
| 167 | |
| 168 | void isa_reinit_irq(void); |
| 169 | |
| 170 | /* |
| 171 | * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED |
| 172 | * BY PORTABLE CODE. |
| 173 | */ |
| 174 | |
| 175 | extern struct x86_bus_dma_tag isa_bus_dma_tag; |
| 176 | |
| 177 | /* |
| 178 | * XXX Various seemingly PC-specific constants, some of which may be |
| 179 | * unnecessary anyway. |
| 180 | */ |
| 181 | |
| 182 | /* |
| 183 | * RAM Physical Address Space (ignoring the above mentioned "hole") |
| 184 | */ |
| 185 | #define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ |
| 186 | #define RAM_END 0x1000000 /* End of RAM Memory */ |
| 187 | #define RAM_SIZE (RAM_END - RAM_BEGIN) |
| 188 | |
| 189 | /* |
| 190 | * Oddball Physical Memory Addresses |
| 191 | */ |
| 192 | #define COMPAQ_RAMRELOC 0x80c00000 /* Compaq RAM relocation/diag */ |
| 193 | #define COMPAQ_RAMSETUP 0x80c00002 /* Compaq RAM setup */ |
| 194 | #define WEITEK_FPU 0xC0000000 /* WTL 2167 */ |
| 195 | #define CYRIX_EMC 0xC0000000 /* Cyrix EMC */ |
| 196 | |
| 197 | /* |
| 198 | * stuff that used to be in pccons.c |
| 199 | */ |
| 200 | #define MONO_BASE 0x3B4 |
| 201 | #define MONO_BUF 0xB0000 |
| 202 | #define CGA_BASE 0x3D4 |
| 203 | #define CGA_BUF 0xB8000 |
| 204 | |
| 205 | /* |
| 206 | * Variables and macros to deal with the ISA I/O hole. |
| 207 | * XXX These should be converted to machine- and bus-mapping-independent |
| 208 | * function definitions, invoked through the softc. |
| 209 | */ |
| 210 | |
| 211 | extern vaddr_t atdevbase; /* kernel virtual address of "hole" */ |
| 212 | |
| 213 | /* |
| 214 | * Given a kernel virtual address for some location |
| 215 | * in the "hole" I/O space, return a physical address. |
| 216 | */ |
| 217 | #define ISA_PHYSADDR(v) ((bus_addr_t)(v) - atdevbase + IOM_BEGIN) |
| 218 | |
| 219 | /* |
| 220 | * Given a physical address in the "hole", |
| 221 | * return a kernel virtual address. |
| 222 | */ |
| 223 | #define ISA_HOLE_VADDR(p) ((void *) ((vaddr_t)(p) - IOM_BEGIN + atdevbase)) |
| 224 | |
| 225 | |
| 226 | /* |
| 227 | * Miscellanous functions. |
| 228 | */ |
| 229 | void sysbeep(int, int); /* beep with the system speaker */ |
| 230 | |
| 231 | #endif /* _X86_ISA_MACHDEP_H_ XXX */ |
| 232 | |