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 */
90struct x86_isa_chipset {
91 struct isa_dma_state ic_dmastate;
92};
93
94typedef struct x86_isa_chipset *isa_chipset_tag_t;
95
96struct isabus_attach_args; /* XXX */
97
98/*
99 * Functions provided to machine-independent ISA code.
100 */
101void isa_attach_hook(device_t, device_t,
102 struct isabus_attach_args *);
103void isa_detach_hook(isa_chipset_tag_t, device_t);
104int isa_intr_alloc(isa_chipset_tag_t, int, int, int *);
105const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
106void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
107 int level, int (*ih_fun)(void *), void *ih_arg);
108void *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);
110void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
111int 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 *);
113void 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
168void 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
175extern 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
211extern 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 */
229void sysbeep(int, int); /* beep with the system speaker */
230
231#endif /* _X86_ISA_MACHDEP_H_ XXX */
232