/*	$NetBSD: isapnpvar.h,v 1.7 1997/10/28 21:28:15 christos Exp $	*/

/*
 * Copyright (c) 1996 Christos Zoulas.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Christos Zoulas.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _DEV_ISAPNP_ISAPNPVAR_H_
#define _DEV_ISAPNP_ISAPNPVAR_H_

/*
 * ISA Plug and Play register definitions;
 * From Plug and Play ISA Specification V1.0a, May 5 1994
 */

/*
 * Structures and definitions needed by the machine-dependent header.
 */
struct isapnp_softc;

#if (i386 != 1)
ERROR: COMPILING FOR UNSUPPORTED MACHINE, OR MORE THAN ONE.
#endif
#if i386
#include <i386/isa/isapnp_machdep.h>
#endif

#ifndef _KERNEL

# include <stdlib.h>
# include <string.h>
# include <unistd.h>

# define ISAPNP_WRITE_ADDR(sc, v) outb(ISAPNP_ADDR, v)
# define ISAPNP_WRITE_DATA(sc, v) outb(ISAPNP_WRDATA, v)
# define ISAPNP_READ_DATA(sc) inb(sc->sc_read_port)

# define DELAY(us) usleep(us)
# define ISAPNP_MALLOC(a) malloc(a)
# define ISAPNP_FREE(a) free(a)

# define panic printf

#else

/* XXX */
# define memset(a, b, c)	bzero(a, c)

# define ISAPNP_WRITE_ADDR(sc, v) \
    bus_space_write_1(sc->sc_iot, sc->sc_addr_ioh, 0, v)
# define ISAPNP_WRITE_DATA(sc, v) \
    bus_space_write_1(sc->sc_iot, sc->sc_wrdata_ioh, 0, v)
# define ISAPNP_READ_DATA(sc) \
    bus_space_read_1(sc->sc_iot, sc->sc_read_ioh, 0)

# define ISAPNP_MALLOC(a) malloc(a, M_DEVBUF, M_WAITOK)
# define ISAPNP_FREE(a) free(a, M_DEVBUF)

#endif

#ifdef DEBUG_ISAPNP
# define DPRINTF(a) printf a
#else
# define DPRINTF(a)
#endif

struct isapnp_softc {
	struct device		sc_dev;
	int			sc_read_port;
	bus_space_tag_t		sc_iot;
	bus_space_tag_t		sc_memt;
	bus_space_handle_t	sc_addr_ioh;
	bus_space_handle_t	sc_wrdata_ioh;
	bus_space_handle_t	sc_read_ioh;
	bus_space_handle_t	sc_memh;
	u_int8_t		sc_ncards;
    	u_int8_t		sc_id[ISAPNP_MAX_CARDS][ISAPNP_SERIAL_SIZE];
};

struct isapnp_region {
	bus_space_handle_t h;
	u_int32_t base;

	u_int32_t minbase;
	u_int32_t maxbase;
	u_int32_t length;
	u_int32_t align;
	u_int8_t  flags;
};

struct isapnp_pin {
	u_int8_t  num;
	u_int8_t  flags:4;
	u_int8_t  type:4;
	u_int16_t bits;
};

struct isapnp_attach_args {
	struct device  *ipa_isa;	/* isa device */
	bus_space_tag_t ipa_iot;	/* isa i/o space tag */
	bus_space_tag_t ipa_memt;	/* isa mem space tag */
	bus_dma_tag_t	ipa_dmat;	/* isa dma tag */

	isa_chipset_tag_t ipa_ic;

	struct isapnp_attach_args *ipa_sibling;
	struct isapnp_attach_args *ipa_child;

	char	ipa_devident[ISAPNP_MAX_IDENT];
	char	ipa_devlogic[ISAPNP_MAX_DEVCLASS];
	char	ipa_devcompat[ISAPNP_MAX_DEVCLASS];
	char	ipa_devclass[ISAPNP_MAX_DEVCLASS];

	u_char	ipa_pref;
	u_char	ipa_devnum;

	u_char	ipa_nio;
	u_char	ipa_nirq;
	u_char	ipa_ndrq;
	u_char	ipa_nmem;
	u_char	ipa_nmem32;

	struct isapnp_region	ipa_io[ISAPNP_NUM_IO];
	struct isapnp_region	ipa_mem[ISAPNP_NUM_MEM];
	struct isapnp_region	ipa_mem32[ISAPNP_NUM_MEM32];
	struct isapnp_pin	ipa_irq[ISAPNP_NUM_IRQ];
	struct isapnp_pin	ipa_drq[ISAPNP_NUM_DRQ];
};

static __inline void isapnp_write_reg __P((struct isapnp_softc *, int, u_char));
static __inline u_char isapnp_read_reg __P((struct isapnp_softc *, int));

static __inline void
isapnp_write_reg(sc, r, v)
	struct isapnp_softc *sc;
	int r;
	u_char v;
{
	ISAPNP_WRITE_ADDR(sc, r);
	ISAPNP_WRITE_DATA(sc, v);
}

static __inline u_char
isapnp_read_reg(sc, r)
	struct isapnp_softc *sc;
{
	ISAPNP_WRITE_ADDR(sc, r);
	return ISAPNP_READ_DATA(sc);
}

struct isapnp_attach_args *
    isapnp_get_resource __P((struct isapnp_softc *, int));
char *isapnp_id_to_vendor __P((char *, const u_char *));

int isapnp_config __P((bus_space_tag_t, bus_space_tag_t,
    struct isapnp_attach_args *));
void isapnp_unconfig __P((bus_space_tag_t, bus_space_tag_t,
    struct isapnp_attach_args *));

#ifdef DEBUG_ISAPNP
void isapnp_print_mem __P((const char *, const struct isapnp_region *));
void isapnp_print_io __P((const char *, const struct isapnp_region *));
void isapnp_print_irq __P((const char *, const struct isapnp_pin *));
void isapnp_print_drq __P((const char *, const struct isapnp_pin *));
void isapnp_print_dep_start __P((const char *, const u_char));
void isapnp_print_attach __P((const struct isapnp_attach_args *));
void isapnp_get_config __P((struct isapnp_softc *,
	struct isapnp_attach_args *));
void isapnp_print_config __P((const struct isapnp_attach_args *));
#endif

#endif /* ! _DEV_ISAPNP_ISAPNPVAR_H_ */