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isapnpvar.h revision 1.8
      1 /*	$NetBSD: isapnpvar.h,v 1.8 1998/06/09 00:05:19 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 Christos Zoulas.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Christos Zoulas.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE 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 #if (i386 != 1)
     46 ERROR: COMPILING FOR UNSUPPORTED MACHINE, OR MORE THAN ONE.
     47 #endif
     48 #if i386
     49 #include <i386/isa/isapnp_machdep.h>
     50 #endif
     51 
     52 #ifndef _KERNEL
     53 
     54 # include <stdlib.h>
     55 # include <string.h>
     56 # include <unistd.h>
     57 
     58 # define ISAPNP_WRITE_ADDR(sc, v) outb(ISAPNP_ADDR, v)
     59 # define ISAPNP_WRITE_DATA(sc, v) outb(ISAPNP_WRDATA, v)
     60 # define ISAPNP_READ_DATA(sc) inb(sc->sc_read_port)
     61 
     62 # define DELAY(us) usleep(us)
     63 # define ISAPNP_MALLOC(a) malloc(a)
     64 # define ISAPNP_FREE(a) free(a)
     65 
     66 # define panic printf
     67 
     68 #else
     69 
     70 /* XXX */
     71 # define memset(a, b, c)	bzero(a, c)
     72 
     73 # define ISAPNP_WRITE_ADDR(sc, v) \
     74     bus_space_write_1(sc->sc_iot, sc->sc_addr_ioh, 0, v)
     75 # define ISAPNP_WRITE_DATA(sc, v) \
     76     bus_space_write_1(sc->sc_iot, sc->sc_wrdata_ioh, 0, v)
     77 # define ISAPNP_READ_DATA(sc) \
     78     bus_space_read_1(sc->sc_iot, sc->sc_read_ioh, 0)
     79 
     80 # define ISAPNP_MALLOC(a) malloc(a, M_DEVBUF, M_WAITOK)
     81 # define ISAPNP_FREE(a) free(a, M_DEVBUF)
     82 
     83 #endif
     84 
     85 #ifdef DEBUG_ISAPNP
     86 # define DPRINTF(a) printf a
     87 #else
     88 # define DPRINTF(a)
     89 #endif
     90 
     91 struct isapnp_softc {
     92 	struct device		sc_dev;
     93 	int			sc_read_port;
     94 	bus_space_tag_t		sc_iot;
     95 	bus_space_tag_t		sc_memt;
     96 	isa_chipset_tag_t	sc_ic;
     97 	bus_space_handle_t	sc_addr_ioh;
     98 	bus_space_handle_t	sc_wrdata_ioh;
     99 	bus_space_handle_t	sc_read_ioh;
    100 	bus_space_handle_t	sc_memh;
    101 	u_int8_t		sc_ncards;
    102     	u_int8_t		sc_id[ISAPNP_MAX_CARDS][ISAPNP_SERIAL_SIZE];
    103 };
    104 
    105 struct isapnp_region {
    106 	bus_space_handle_t h;
    107 	u_int32_t base;
    108 
    109 	u_int32_t minbase;
    110 	u_int32_t maxbase;
    111 	u_int32_t length;
    112 	u_int32_t align;
    113 	u_int8_t  flags;
    114 };
    115 
    116 struct isapnp_pin {
    117 	u_int8_t  num;
    118 	u_int8_t  flags:4;
    119 	u_int8_t  type:4;
    120 	u_int16_t bits;
    121 };
    122 
    123 struct isapnp_attach_args {
    124 	bus_space_tag_t ipa_iot;	/* isa i/o space tag */
    125 	bus_space_tag_t ipa_memt;	/* isa mem space tag */
    126 	bus_dma_tag_t	ipa_dmat;	/* isa dma tag */
    127 
    128 	isa_chipset_tag_t ipa_ic;
    129 
    130 	struct isapnp_attach_args *ipa_sibling;
    131 	struct isapnp_attach_args *ipa_child;
    132 
    133 	char	ipa_devident[ISAPNP_MAX_IDENT];
    134 	char	ipa_devlogic[ISAPNP_MAX_DEVCLASS];
    135 	char	ipa_devcompat[ISAPNP_MAX_DEVCLASS];
    136 	char	ipa_devclass[ISAPNP_MAX_DEVCLASS];
    137 
    138 	u_char	ipa_pref;
    139 	u_char	ipa_devnum;
    140 
    141 	u_char	ipa_nio;
    142 	u_char	ipa_nirq;
    143 	u_char	ipa_ndrq;
    144 	u_char	ipa_nmem;
    145 	u_char	ipa_nmem32;
    146 
    147 	struct isapnp_region	ipa_io[ISAPNP_NUM_IO];
    148 	struct isapnp_region	ipa_mem[ISAPNP_NUM_MEM];
    149 	struct isapnp_region	ipa_mem32[ISAPNP_NUM_MEM32];
    150 	struct isapnp_pin	ipa_irq[ISAPNP_NUM_IRQ];
    151 	struct isapnp_pin	ipa_drq[ISAPNP_NUM_DRQ];
    152 };
    153 
    154 static __inline void isapnp_write_reg __P((struct isapnp_softc *, int, u_char));
    155 static __inline u_char isapnp_read_reg __P((struct isapnp_softc *, int));
    156 
    157 static __inline void
    158 isapnp_write_reg(sc, r, v)
    159 	struct isapnp_softc *sc;
    160 	int r;
    161 	u_char v;
    162 {
    163 	ISAPNP_WRITE_ADDR(sc, r);
    164 	ISAPNP_WRITE_DATA(sc, v);
    165 }
    166 
    167 static __inline u_char
    168 isapnp_read_reg(sc, r)
    169 	struct isapnp_softc *sc;
    170 {
    171 	ISAPNP_WRITE_ADDR(sc, r);
    172 	return ISAPNP_READ_DATA(sc);
    173 }
    174 
    175 struct isapnp_attach_args *
    176     isapnp_get_resource __P((struct isapnp_softc *, int));
    177 char *isapnp_id_to_vendor __P((char *, const u_char *));
    178 
    179 int isapnp_config __P((bus_space_tag_t, bus_space_tag_t,
    180     struct isapnp_attach_args *));
    181 void isapnp_unconfig __P((bus_space_tag_t, bus_space_tag_t,
    182     struct isapnp_attach_args *));
    183 
    184 #ifdef DEBUG_ISAPNP
    185 void isapnp_print_mem __P((const char *, const struct isapnp_region *));
    186 void isapnp_print_io __P((const char *, const struct isapnp_region *));
    187 void isapnp_print_irq __P((const char *, const struct isapnp_pin *));
    188 void isapnp_print_drq __P((const char *, const struct isapnp_pin *));
    189 void isapnp_print_dep_start __P((const char *, const u_char));
    190 void isapnp_print_attach __P((const struct isapnp_attach_args *));
    191 void isapnp_get_config __P((struct isapnp_softc *,
    192 	struct isapnp_attach_args *));
    193 void isapnp_print_config __P((const struct isapnp_attach_args *));
    194 #endif
    195 
    196 #endif /* ! _DEV_ISAPNP_ISAPNPVAR_H_ */
    197