isa_machdep.h revision 1.1.2.2
1 1.1.2.2 bouyer /* $NetBSD: isa_machdep.h,v 1.1.2.2 2001/02/11 19:11:49 bouyer Exp $ */ 2 1.1.2.2 bouyer 3 1.1.2.2 bouyer /*- 4 1.1.2.2 bouyer * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. 5 1.1.2.2 bouyer * All rights reserved. 6 1.1.2.2 bouyer * 7 1.1.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 bouyer * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.1.2.2 bouyer * NASA Ames Research Center. 10 1.1.2.2 bouyer * 11 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 12 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 13 1.1.2.2 bouyer * are met: 14 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 15 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 16 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 17 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 18 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 19 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 20 1.1.2.2 bouyer * must display the following acknowledgement: 21 1.1.2.2 bouyer * This product includes software developed by the NetBSD 22 1.1.2.2 bouyer * Foundation, Inc. and its contributors. 23 1.1.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.1.2.2 bouyer * contributors may be used to endorse or promote products derived 25 1.1.2.2 bouyer * from this software without specific prior written permission. 26 1.1.2.2 bouyer * 27 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.1.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.1.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.1.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.1.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.1.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.1.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.1.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.1.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.1.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 38 1.1.2.2 bouyer */ 39 1.1.2.2 bouyer 40 1.1.2.2 bouyer /*- 41 1.1.2.2 bouyer * Copyright (c) 1990 The Regents of the University of California. 42 1.1.2.2 bouyer * All rights reserved. 43 1.1.2.2 bouyer * 44 1.1.2.2 bouyer * This code is derived from software contributed to Berkeley by 45 1.1.2.2 bouyer * William Jolitz. 46 1.1.2.2 bouyer * 47 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 48 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 49 1.1.2.2 bouyer * are met: 50 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 51 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 52 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 53 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 54 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 55 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 56 1.1.2.2 bouyer * must display the following acknowledgement: 57 1.1.2.2 bouyer * This product includes software developed by the University of 58 1.1.2.2 bouyer * California, Berkeley and its contributors. 59 1.1.2.2 bouyer * 4. Neither the name of the University nor the names of its contributors 60 1.1.2.2 bouyer * may be used to endorse or promote products derived from this software 61 1.1.2.2 bouyer * without specific prior written permission. 62 1.1.2.2 bouyer * 63 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 64 1.1.2.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 65 1.1.2.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 66 1.1.2.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 67 1.1.2.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 68 1.1.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 69 1.1.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 70 1.1.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 71 1.1.2.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 72 1.1.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 73 1.1.2.2 bouyer * SUCH DAMAGE. 74 1.1.2.2 bouyer * 75 1.1.2.2 bouyer * @(#)isa.h 5.7 (Berkeley) 5/9/91 76 1.1.2.2 bouyer */ 77 1.1.2.2 bouyer 78 1.1.2.2 bouyer /* 79 1.1.2.2 bouyer * Various pieces of the sandpoint port want to include this file without 80 1.1.2.2 bouyer * or in spite of using isavar.h, and should be fixed. 81 1.1.2.2 bouyer */ 82 1.1.2.2 bouyer 83 1.1.2.2 bouyer #ifndef _SANDPOINT_ISA_MACHDEP_H_ /* XXX */ 84 1.1.2.2 bouyer #define _SANDPOINT_ISA_MACHDEP_H_ /* XXX */ 85 1.1.2.2 bouyer 86 1.1.2.2 bouyer #include <machine/bus.h> 87 1.1.2.2 bouyer #include <dev/isa/isadmavar.h> 88 1.1.2.2 bouyer 89 1.1.2.2 bouyer /* 90 1.1.2.2 bouyer * XXX THIS FILE IS A MESS. copyright: berkeley's probably. 91 1.1.2.2 bouyer * contents from isavar.h and isareg.h, mostly the latter. 92 1.1.2.2 bouyer * perhaps charles's? 93 1.1.2.2 bouyer * 94 1.1.2.2 bouyer * copyright from berkeley's isa.h which is now dev/isa/isareg.h. 95 1.1.2.2 bouyer */ 96 1.1.2.2 bouyer 97 1.1.2.2 bouyer /* 98 1.1.2.2 bouyer * Types provided to machine-independent ISA code. 99 1.1.2.2 bouyer */ 100 1.1.2.2 bouyer struct sandpoint_isa_chipset { 101 1.1.2.2 bouyer struct isa_dma_state ic_dmastate; 102 1.1.2.2 bouyer }; 103 1.1.2.2 bouyer 104 1.1.2.2 bouyer typedef struct sandpoint_isa_chipset *isa_chipset_tag_t; 105 1.1.2.2 bouyer 106 1.1.2.2 bouyer struct device; /* XXX */ 107 1.1.2.2 bouyer struct isabus_attach_args; /* XXX */ 108 1.1.2.2 bouyer 109 1.1.2.2 bouyer /* 110 1.1.2.2 bouyer * Functions provided to machine-independent ISA code. 111 1.1.2.2 bouyer */ 112 1.1.2.2 bouyer void isa_attach_hook(struct device *, struct device *, 113 1.1.2.2 bouyer struct isabus_attach_args *); 114 1.1.2.2 bouyer const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq); 115 1.1.2.2 bouyer void isa_intr_init(void); 116 1.1.2.2 bouyer void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, 117 1.1.2.2 bouyer int level, int (*ih_fun)(void *), void *ih_arg); 118 1.1.2.2 bouyer void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler); 119 1.1.2.2 bouyer 120 1.1.2.2 bouyer #define isa_dmainit(ic, bst, dmat, d) \ 121 1.1.2.2 bouyer _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) 122 1.1.2.2 bouyer #define isa_dmacascade(ic, c) \ 123 1.1.2.2 bouyer _isa_dmacascade(&(ic)->ic_dmastate, (c)) 124 1.1.2.2 bouyer #define isa_dmamaxsize(ic, c) \ 125 1.1.2.2 bouyer _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) 126 1.1.2.2 bouyer #define isa_dmamap_create(ic, c, s, f) \ 127 1.1.2.2 bouyer _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) 128 1.1.2.2 bouyer #define isa_dmamap_destroy(ic, c) \ 129 1.1.2.2 bouyer _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) 130 1.1.2.2 bouyer #define isa_dmastart(ic, c, a, n, p, f, bf) \ 131 1.1.2.2 bouyer _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) 132 1.1.2.2 bouyer #define isa_dmaabort(ic, c) \ 133 1.1.2.2 bouyer _isa_dmaabort(&(ic)->ic_dmastate, (c)) 134 1.1.2.2 bouyer #define isa_dmacount(ic, c) \ 135 1.1.2.2 bouyer _isa_dmacount(&(ic)->ic_dmastate, (c)) 136 1.1.2.2 bouyer #define isa_dmafinished(ic, c) \ 137 1.1.2.2 bouyer _isa_dmafinished(&(ic)->ic_dmastate, (c)) 138 1.1.2.2 bouyer #define isa_dmadone(ic, c) \ 139 1.1.2.2 bouyer _isa_dmadone(&(ic)->ic_dmastate, (c)) 140 1.1.2.2 bouyer #define isa_dmafreeze(ic) \ 141 1.1.2.2 bouyer _isa_dmafreeze(&(ic)->ic_dmastate) 142 1.1.2.2 bouyer #define isa_dmathaw(ic) \ 143 1.1.2.2 bouyer _isa_dmathaw(&(ic)->ic_dmastate) 144 1.1.2.2 bouyer #define isa_dmamem_alloc(ic, c, s, ap, f) \ 145 1.1.2.2 bouyer _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) 146 1.1.2.2 bouyer #define isa_dmamem_free(ic, c, a, s) \ 147 1.1.2.2 bouyer _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) 148 1.1.2.2 bouyer #define isa_dmamem_map(ic, c, a, s, kp, f) \ 149 1.1.2.2 bouyer _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) 150 1.1.2.2 bouyer #define isa_dmamem_unmap(ic, c, k, s) \ 151 1.1.2.2 bouyer _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) 152 1.1.2.2 bouyer #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ 153 1.1.2.2 bouyer _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) 154 1.1.2.2 bouyer #define isa_drq_isfree(ic, c) \ 155 1.1.2.2 bouyer _isa_drq_isfree(&(ic)->ic_dmastate, (c)) 156 1.1.2.2 bouyer #define isa_malloc(ic, c, s, p, f) \ 157 1.1.2.2 bouyer _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) 158 1.1.2.2 bouyer #define isa_free(a, p) \ 159 1.1.2.2 bouyer _isa_free((a), (p)) 160 1.1.2.2 bouyer #define isa_mappage(m, o, p) \ 161 1.1.2.2 bouyer _isa_mappage((m), (o), (p)) 162 1.1.2.2 bouyer 163 1.1.2.2 bouyer /* 164 1.1.2.2 bouyer * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED 165 1.1.2.2 bouyer * BY PORTABLE CODE. 166 1.1.2.2 bouyer */ 167 1.1.2.2 bouyer 168 1.1.2.2 bouyer #define isa_outb(x,y) outb(SANDPOINT_BUS_SPACE_IO + (x), y) 169 1.1.2.2 bouyer #define isa_inb(x) inb(SANDPOINT_BUS_SPACE_IO + (x)) 170 1.1.2.2 bouyer 171 1.1.2.2 bouyer extern struct sandpoint_bus_dma_tag isa_bus_dma_tag; 172 1.1.2.2 bouyer 173 1.1.2.2 bouyer /* 174 1.1.2.2 bouyer * Cookie used by ISA dma. A pointer to one of these it stashed in 175 1.1.2.2 bouyer * the DMA map. 176 1.1.2.2 bouyer */ 177 1.1.2.2 bouyer struct sandpoint_isa_dma_cookie { 178 1.1.2.2 bouyer int id_flags; /* flags; see below */ 179 1.1.2.2 bouyer 180 1.1.2.2 bouyer /* 181 1.1.2.2 bouyer * Information about the original buffer used during 182 1.1.2.2 bouyer * DMA map syncs. Note that origbuflen is only used 183 1.1.2.2 bouyer * for ID_BUFTYPE_LINEAR. 184 1.1.2.2 bouyer */ 185 1.1.2.2 bouyer void *id_origbuf; /* pointer to orig buffer if 186 1.1.2.2 bouyer bouncing */ 187 1.1.2.2 bouyer bus_size_t id_origbuflen; /* ...and size */ 188 1.1.2.2 bouyer int id_buftype; /* type of buffer */ 189 1.1.2.2 bouyer 190 1.1.2.2 bouyer void *id_bouncebuf; /* pointer to the bounce buffer */ 191 1.1.2.2 bouyer bus_size_t id_bouncebuflen; /* ...and size */ 192 1.1.2.2 bouyer int id_nbouncesegs; /* number of valid bounce segs */ 193 1.1.2.2 bouyer bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer 194 1.1.2.2 bouyer physical memory segments */ 195 1.1.2.2 bouyer }; 196 1.1.2.2 bouyer 197 1.1.2.2 bouyer /* id_flags */ 198 1.1.2.2 bouyer #define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */ 199 1.1.2.2 bouyer #define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */ 200 1.1.2.2 bouyer #define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */ 201 1.1.2.2 bouyer 202 1.1.2.2 bouyer /* id_buftype */ 203 1.1.2.2 bouyer #define ID_BUFTYPE_INVALID 0 204 1.1.2.2 bouyer #define ID_BUFTYPE_LINEAR 1 205 1.1.2.2 bouyer #define ID_BUFTYPE_MBUF 2 206 1.1.2.2 bouyer #define ID_BUFTYPE_UIO 3 207 1.1.2.2 bouyer #define ID_BUFTYPE_RAW 4 208 1.1.2.2 bouyer 209 1.1.2.2 bouyer /* 210 1.1.2.2 bouyer * XXX Various seemingly PC-specific constants, some of which may be 211 1.1.2.2 bouyer * unnecessary anyway. 212 1.1.2.2 bouyer */ 213 1.1.2.2 bouyer 214 1.1.2.2 bouyer /* 215 1.1.2.2 bouyer * stuff that used to be in pccons.c 216 1.1.2.2 bouyer */ 217 1.1.2.2 bouyer #define MONO_BASE 0x3B4 218 1.1.2.2 bouyer #define MONO_BUF 0xB0000 219 1.1.2.2 bouyer #define CGA_BASE 0x3D4 220 1.1.2.2 bouyer #define CGA_BUF 0xB8000 221 1.1.2.2 bouyer #define IOPHYSMEM 0xA0000 222 1.1.2.2 bouyer 223 1.1.2.2 bouyer 224 1.1.2.2 bouyer /* 225 1.1.2.2 bouyer * ISA DMA bounce buffers. 226 1.1.2.2 bouyer * XXX should be made partially machine- and bus-mapping-independent. 227 1.1.2.2 bouyer * 228 1.1.2.2 bouyer * DMA_BOUNCE is the number of pages of low-addressed physical memory 229 1.1.2.2 bouyer * to acquire for ISA bounce buffers. 230 1.1.2.2 bouyer * 231 1.1.2.2 bouyer * isaphysmem is the location of those bounce buffers. (They are currently 232 1.1.2.2 bouyer * assumed to be contiguous. 233 1.1.2.2 bouyer */ 234 1.1.2.2 bouyer 235 1.1.2.2 bouyer #ifndef DMA_BOUNCE 236 1.1.2.2 bouyer #define DMA_BOUNCE 8 /* one buffer per channel */ 237 1.1.2.2 bouyer #endif 238 1.1.2.2 bouyer 239 1.1.2.2 bouyer extern paddr_t isaphysmem; 240 1.1.2.2 bouyer 241 1.1.2.2 bouyer /* 242 1.1.2.2 bouyer * Miscellanous functions. 243 1.1.2.2 bouyer */ 244 1.1.2.2 bouyer void sysbeep(int, int); /* beep with the system speaker */ 245 1.1.2.2 bouyer 246 1.1.2.2 bouyer void isa_do_pending_int __P((int)); /* Process any pending ISA interrupts */ 247 1.1.2.2 bouyer void isa_intr_calculate_masks __P((int)); 248 1.1.2.2 bouyer 249 1.1.2.2 bouyer #endif /* _SANDPOINT_ISA_MACHDEP_H_ XXX */ 250
Indexes created Tue Oct 28 12:10:06 GMT 2025