1 /* $NetBSD: isapnpvar.h,v 1.29 2022/09/25 17:20:03 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifndef _DEV_ISAPNP_ISAPNPVAR_H_
33 #define _DEV_ISAPNP_ISAPNPVAR_H_
34
35 /*
36 * ISA Plug and Play register definitions;
37 * From Plug and Play ISA Specification V1.0a, May 5 1994
38 */
39
40 /*
41 * Structures and definitions needed by the machine-dependent header.
42 */
43 struct isapnp_softc;
44
45 #include <machine/isapnp_machdep.h>
46
47 #ifndef _KERNEL
48
49 # include <stdlib.h>
50 # include <string.h>
51 # include <unistd.h>
52
53 # define ISAPNP_WRITE_ADDR(sc, v) outb(ISAPNP_ADDR, v)
54 # define ISAPNP_WRITE_DATA(sc, v) outb(ISAPNP_WRDATA, v)
55 # define ISAPNP_READ_DATA(sc) inb(sc->sc_read_port)
56
57 # define DELAY(us) usleep(us)
58 # define ISAPNP_MALLOC(a) malloc(a)
59 # define ISAPNP_FREE(a) free(a)
60
61 # define panic printf
62
63 #else
64
65 # include <sys/malloc.h>
66
67 # define ISAPNP_WRITE_ADDR(sc, v) \
68 bus_space_write_1(sc->sc_iot, sc->sc_addr_ioh, 0, v)
69 # define ISAPNP_WRITE_DATA(sc, v) \
70 bus_space_write_1(sc->sc_iot, sc->sc_wrdata_ioh, 0, v)
71 # define ISAPNP_READ_DATA(sc) \
72 bus_space_read_1(sc->sc_iot, sc->sc_read_ioh, 0)
73
74 # define ISAPNP_MALLOC(a) malloc(a, M_DEVBUF, M_WAITOK)
75 # define ISAPNP_FREE(a) free(a, M_DEVBUF)
76
77 #endif
78
79 #ifdef DEBUG_ISAPNP
80 # define DPRINTF(a) printf a
81 #else
82 # define DPRINTF(a)
83 #endif
84
85 struct isapnp_softc {
86 device_t sc_dev;
87 int sc_read_port;
88 bus_space_tag_t sc_iot;
89 bus_space_tag_t sc_memt;
90 isa_chipset_tag_t sc_ic;
91 bus_dma_tag_t sc_dmat;
92 bus_space_handle_t sc_addr_ioh;
93 bus_space_handle_t sc_wrdata_ioh;
94 bus_space_handle_t sc_read_ioh;
95 bus_space_handle_t sc_memh;
96 u_int8_t sc_ncards;
97 u_int8_t sc_id[ISAPNP_MAX_CARDS][ISAPNP_SERIAL_SIZE];
98 };
99
100 struct isapnp_region {
101 bus_space_handle_t h;
102 u_int32_t base;
103
104 u_int32_t minbase;
105 u_int32_t maxbase;
106 u_int32_t length;
107 u_int32_t align;
108 u_int8_t flags;
109 };
110
111 struct isapnp_pin {
112 u_int8_t num;
113 u_int8_t flags:4;
114 u_int8_t type:4;
115 u_int16_t bits;
116 };
117
118 struct isapnp_attach_args {
119 bus_space_tag_t ipa_iot; /* isa i/o space tag */
120 bus_space_tag_t ipa_memt; /* isa mem space tag */
121 bus_dma_tag_t ipa_dmat; /* isa dma tag */
122
123 isa_chipset_tag_t ipa_ic;
124
125 struct isapnp_attach_args *ipa_sibling;
126 struct isapnp_attach_args *ipa_child;
127
128 char ipa_devident[ISAPNP_MAX_IDENT];
129 char ipa_devlogic[ISAPNP_MAX_DEVCLASS];
130 char ipa_devcompat[ISAPNP_MAX_DEVCLASS];
131 char ipa_devclass[ISAPNP_MAX_DEVCLASS];
132
133 u_char ipa_pref;
134 u_char ipa_devnum;
135
136 u_char ipa_nio;
137 u_char ipa_nirq;
138 u_char ipa_ndrq;
139 u_char ipa_nmem;
140 u_char ipa_nmem32;
141
142 struct isapnp_region ipa_io[ISAPNP_NUM_IO];
143 struct isapnp_region ipa_mem[ISAPNP_NUM_MEM];
144 struct isapnp_region ipa_mem32[ISAPNP_NUM_MEM32];
145 struct isapnp_pin ipa_irq[ISAPNP_NUM_IRQ];
146 struct isapnp_pin ipa_drq[ISAPNP_NUM_DRQ];
147 };
148
149 static __inline void isapnp_write_reg(struct isapnp_softc *, int, u_char);
150 static __inline u_char isapnp_read_reg(struct isapnp_softc *, int);
151
152 static __inline void
isapnp_write_reg(struct isapnp_softc * sc,int r,u_char v)153 isapnp_write_reg(struct isapnp_softc *sc, int r, u_char v)
154 {
155 ISAPNP_WRITE_ADDR(sc, r);
156 ISAPNP_WRITE_DATA(sc, v);
157 }
158
159 static __inline u_char
isapnp_read_reg(struct isapnp_softc * sc,int r)160 isapnp_read_reg(struct isapnp_softc *sc, int r)
161 {
162 ISAPNP_WRITE_ADDR(sc, r);
163 return ISAPNP_READ_DATA(sc);
164 }
165
166 struct isapnp_attach_args *
167 isapnp_get_resource(struct isapnp_softc *, int);
168 char *isapnp_id_to_vendor(char *, const u_char *);
169
170 int isapnp_config(bus_space_tag_t, bus_space_tag_t,
171 struct isapnp_attach_args *);
172 void isapnp_unconfig(bus_space_tag_t, bus_space_tag_t,
173 struct isapnp_attach_args *);
174 #ifdef _KERNEL
175 struct isapnp_devinfo;
176 int isapnp_devmatch(const struct isapnp_attach_args *,
177 const struct isapnp_devinfo *, int *);
178 void isapnp_isa_attach_hook(struct isa_softc *);
179 #endif
180
181 #ifdef DEBUG_ISAPNP
182 void isapnp_print_mem(const char *, const struct isapnp_region *);
183 void isapnp_print_io(const char *, const struct isapnp_region *);
184 void isapnp_print_irq(const char *, const struct isapnp_pin *);
185 void isapnp_print_drq(const char *, const struct isapnp_pin *);
186 void isapnp_print_dep_start(const char *, const u_char);
187 void isapnp_print_attach(const struct isapnp_attach_args *);
188 void isapnp_get_config(struct isapnp_softc *, struct isapnp_attach_args *);
189 void isapnp_print_config(const struct isapnp_attach_args *);
190 #endif
191
192 #endif /* ! _DEV_ISAPNP_ISAPNPVAR_H_ */
193