1 /* $NetBSD: isapnpvar.h,v 1.28 2009/03/15 15:45:48 cegger 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 # define ISAPNP_WRITE_ADDR(sc, v) \
66 bus_space_write_1(sc->sc_iot, sc->sc_addr_ioh, 0, v)
67 # define ISAPNP_WRITE_DATA(sc, v) \
68 bus_space_write_1(sc->sc_iot, sc->sc_wrdata_ioh, 0, v)
69 # define ISAPNP_READ_DATA(sc) \
70 bus_space_read_1(sc->sc_iot, sc->sc_read_ioh, 0)
71
72 # define ISAPNP_MALLOC(a) malloc(a, M_DEVBUF, M_WAITOK)
73 # define ISAPNP_FREE(a) free(a, M_DEVBUF)
74
75 #endif
76
77 #ifdef DEBUG_ISAPNP
78 # define DPRINTF(a) printf a
79 #else
80 # define DPRINTF(a)
81 #endif
82
83 struct isapnp_softc {
84 device_t sc_dev;
85 int sc_read_port;
86 bus_space_tag_t sc_iot;
87 bus_space_tag_t sc_memt;
88 isa_chipset_tag_t sc_ic;
89 bus_dma_tag_t sc_dmat;
90 bus_space_handle_t sc_addr_ioh;
91 bus_space_handle_t sc_wrdata_ioh;
92 bus_space_handle_t sc_read_ioh;
93 bus_space_handle_t sc_memh;
94 u_int8_t sc_ncards;
95 u_int8_t sc_id[ISAPNP_MAX_CARDS][ISAPNP_SERIAL_SIZE];
96 };
97
98 struct isapnp_region {
99 bus_space_handle_t h;
100 u_int32_t base;
101
102 u_int32_t minbase;
103 u_int32_t maxbase;
104 u_int32_t length;
105 u_int32_t align;
106 u_int8_t flags;
107 };
108
109 struct isapnp_pin {
110 u_int8_t num;
111 u_int8_t flags:4;
112 u_int8_t type:4;
113 u_int16_t bits;
114 };
115
116 struct isapnp_attach_args {
117 bus_space_tag_t ipa_iot; /* isa i/o space tag */
118 bus_space_tag_t ipa_memt; /* isa mem space tag */
119 bus_dma_tag_t ipa_dmat; /* isa dma tag */
120
121 isa_chipset_tag_t ipa_ic;
122
123 struct isapnp_attach_args *ipa_sibling;
124 struct isapnp_attach_args *ipa_child;
125
126 char ipa_devident[ISAPNP_MAX_IDENT];
127 char ipa_devlogic[ISAPNP_MAX_DEVCLASS];
128 char ipa_devcompat[ISAPNP_MAX_DEVCLASS];
129 char ipa_devclass[ISAPNP_MAX_DEVCLASS];
130
131 u_char ipa_pref;
132 u_char ipa_devnum;
133
134 u_char ipa_nio;
135 u_char ipa_nirq;
136 u_char ipa_ndrq;
137 u_char ipa_nmem;
138 u_char ipa_nmem32;
139
140 struct isapnp_region ipa_io[ISAPNP_NUM_IO];
141 struct isapnp_region ipa_mem[ISAPNP_NUM_MEM];
142 struct isapnp_region ipa_mem32[ISAPNP_NUM_MEM32];
143 struct isapnp_pin ipa_irq[ISAPNP_NUM_IRQ];
144 struct isapnp_pin ipa_drq[ISAPNP_NUM_DRQ];
145 };
146
147 static __inline void isapnp_write_reg(struct isapnp_softc *, int, u_char);
148 static __inline u_char isapnp_read_reg(struct isapnp_softc *, int);
149
150 static __inline void
isapnp_write_reg(struct isapnp_softc * sc,int r,u_char v)151 isapnp_write_reg(struct isapnp_softc *sc, int r, u_char v)
152 {
153 ISAPNP_WRITE_ADDR(sc, r);
154 ISAPNP_WRITE_DATA(sc, v);
155 }
156
157 static __inline u_char
isapnp_read_reg(struct isapnp_softc * sc,int r)158 isapnp_read_reg(struct isapnp_softc *sc, int r)
159 {
160 ISAPNP_WRITE_ADDR(sc, r);
161 return ISAPNP_READ_DATA(sc);
162 }
163
164 struct isapnp_attach_args *
165 isapnp_get_resource(struct isapnp_softc *, int);
166 char *isapnp_id_to_vendor(char *, const u_char *);
167
168 int isapnp_config(bus_space_tag_t, bus_space_tag_t,
169 struct isapnp_attach_args *);
170 void isapnp_unconfig(bus_space_tag_t, bus_space_tag_t,
171 struct isapnp_attach_args *);
172 #ifdef _KERNEL
173 struct isapnp_devinfo;
174 int isapnp_devmatch(const struct isapnp_attach_args *,
175 const struct isapnp_devinfo *, int *);
176 void isapnp_isa_attach_hook(struct isa_softc *);
177 #endif
178
179 #ifdef DEBUG_ISAPNP
180 void isapnp_print_mem(const char *, const struct isapnp_region *);
181 void isapnp_print_io(const char *, const struct isapnp_region *);
182 void isapnp_print_irq(const char *, const struct isapnp_pin *);
183 void isapnp_print_drq(const char *, const struct isapnp_pin *);
184 void isapnp_print_dep_start(const char *, const u_char);
185 void isapnp_print_attach(const struct isapnp_attach_args *);
186 void isapnp_get_config(struct isapnp_softc *, struct isapnp_attach_args *);
187 void isapnp_print_config(const struct isapnp_attach_args *);
188 #endif
189
190 #endif /* ! _DEV_ISAPNP_ISAPNPVAR_H_ */
191