sys/dev/isapnp/isapnpvar.h

   1 /*      $NetBSD: isapnpvar.h,v 1.27 2008/04/28 20:23:53 martin 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
 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
 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_ */