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sbusvar.h revision 1.20.10.2
      1  1.20.10.2     yamt /*	$NetBSD: sbusvar.h,v 1.20.10.2 2005/03/19 08:35:47 yamt Exp $ */
      2        1.1       pk 
      3        1.1       pk /*-
      4        1.1       pk  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5        1.1       pk  * All rights reserved.
      6        1.1       pk  *
      7        1.1       pk  * This code is derived from software contributed to The NetBSD Foundation
      8        1.1       pk  * by Paul Kranenburg.
      9        1.1       pk  *
     10        1.1       pk  * Redistribution and use in source and binary forms, with or without
     11        1.1       pk  * modification, are permitted provided that the following conditions
     12        1.1       pk  * are met:
     13        1.1       pk  * 1. Redistributions of source code must retain the above copyright
     14        1.1       pk  *    notice, this list of conditions and the following disclaimer.
     15        1.1       pk  * 2. Redistributions in binary form must reproduce the above copyright
     16        1.1       pk  *    notice, this list of conditions and the following disclaimer in the
     17        1.1       pk  *    documentation and/or other materials provided with the distribution.
     18        1.1       pk  * 3. All advertising materials mentioning features or use of this software
     19        1.1       pk  *    must display the following acknowledgement:
     20        1.1       pk  *        This product includes software developed by the NetBSD
     21        1.1       pk  *        Foundation, Inc. and its contributors.
     22        1.1       pk  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23        1.1       pk  *    contributors may be used to endorse or promote products derived
     24        1.1       pk  *    from this software without specific prior written permission.
     25        1.1       pk  *
     26        1.1       pk  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27        1.1       pk  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28        1.1       pk  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29        1.1       pk  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30        1.1       pk  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31        1.1       pk  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32        1.1       pk  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33        1.1       pk  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34        1.1       pk  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35        1.1       pk  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36        1.1       pk  * POSSIBILITY OF SUCH DAMAGE.
     37        1.1       pk  */
     38        1.1       pk 
     39        1.2       pk #ifndef _SBUS_VAR_H
     40        1.2       pk #define _SBUS_VAR_H
     41       1.13  darrenr 
     42       1.13  darrenr #if defined(_KERNEL_OPT) && (defined(__sparc__) || defined(__sparc64__))
     43       1.13  darrenr #include "opt_sparc_arch.h"
     44       1.13  darrenr #endif
     45        1.2       pk 
     46       1.18  thorpej #include <machine/bsd_openprom.h>
     47       1.18  thorpej 
     48        1.2       pk struct sbus_softc;
     49        1.2       pk 
     50        1.2       pk /*
     51        1.2       pk  * S-bus variables.
     52        1.2       pk  */
     53        1.2       pk struct sbusdev {
     54        1.2       pk 	struct	device *sd_dev;		/* backpointer to generic */
     55        1.2       pk 	struct	sbusdev *sd_bchain;	/* forward link in bus chain */
     56  1.20.10.1     yamt 	void	(*sd_reset)(struct device *);
     57        1.2       pk };
     58        1.2       pk 
     59       1.14       pk typedef u_int32_t sbus_slot_t;
     60       1.14       pk typedef u_int32_t sbus_offset_t;
     61        1.2       pk 
     62        1.2       pk /*
     63        1.2       pk  * Sbus driver attach arguments.
     64        1.2       pk  */
     65        1.2       pk struct sbus_attach_args {
     66        1.2       pk 	int		sa_placeholder;	/* for obio attach args sharing */
     67        1.2       pk 	bus_space_tag_t	sa_bustag;
     68        1.2       pk 	bus_dma_tag_t	sa_dmatag;
     69        1.2       pk 	char		*sa_name;	/* PROM node name */
     70        1.2       pk 	int		sa_node;	/* PROM handle */
     71       1.18  thorpej 	struct openprom_addr *sa_reg;	/* Sbus register space for device */
     72        1.2       pk 	int		sa_nreg;	/* Number of Sbus register spaces */
     73       1.18  thorpej #define sa_slot		sa_reg[0].oa_space
     74       1.18  thorpej #define sa_offset	sa_reg[0].oa_base
     75       1.18  thorpej #define sa_size		sa_reg[0].oa_size
     76        1.2       pk 
     77       1.18  thorpej 	struct openprom_intr *sa_intr;	/* Sbus interrupts for device */
     78        1.2       pk 	int		sa_nintr;	/* Number of interrupts */
     79       1.18  thorpej #define sa_pri		sa_intr[0].oi_pri
     80        1.2       pk 
     81        1.7      eeh 	u_int32_t	*sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */
     82        1.2       pk 	int		sa_npromvaddrs;	/* Number of PROM VAs */
     83        1.9      eeh #define sa_promvaddr	sa_promvaddrs[0]
     84       1.11      eeh 	int		sa_frequency;	/* SBus clockrate */
     85        1.2       pk };
     86        1.2       pk 
     87        1.6      eeh /* sbus_attach_internal() is also used from obio.c */
     88  1.20.10.2     yamt void	sbus_attach_common(struct sbus_softc *, char *, int,
     89  1.20.10.1     yamt 				const char * const *);
     90  1.20.10.1     yamt int	sbus_print(void *, const char *);
     91        1.2       pk 
     92  1.20.10.1     yamt void	sbus_establish(struct sbusdev *, struct device *);
     93        1.2       pk 
     94  1.20.10.1     yamt int	sbus_setup_attach_args(
     95        1.2       pk 		struct sbus_softc *,
     96        1.2       pk 		bus_space_tag_t,
     97        1.2       pk 		bus_dma_tag_t,
     98        1.2       pk 		int,			/*node*/
     99  1.20.10.1     yamt 		struct sbus_attach_args *);
    100        1.2       pk 
    101  1.20.10.1     yamt void	sbus_destroy_attach_args(struct sbus_attach_args *);
    102        1.2       pk 
    103       1.14       pk #define sbus_bus_map(tag, slot, offset, sz, flags, hp) \
    104       1.14       pk 	bus_space_map(tag, BUS_ADDR(slot,offset), sz, flags, hp)
    105  1.20.10.1     yamt bus_addr_t	sbus_bus_addr(bus_space_tag_t, u_int, u_int);
    106  1.20.10.2     yamt void	sbus_promaddr_to_handle(bus_space_tag_t, u_int,
    107  1.20.10.1     yamt 	bus_space_handle_t *);
    108        1.2       pk 
    109        1.2       pk #if notyet
    110        1.2       pk /* variables per Sbus */
    111        1.2       pk struct sbus_softc {
    112        1.2       pk 	struct	device sc_dev;		/* base device */
    113        1.2       pk 	bus_space_tag_t	sc_bustag;
    114        1.2       pk 	bus_dma_tag_t	sc_dmatag;
    115        1.2       pk 	int	sc_clockfreq;		/* clock frequency (in Hz) */
    116        1.2       pk 	struct	sbusdev *sc_sbdev;	/* list of all children */
    117       1.18  thorpej 	struct	openprom_range *sc_range;
    118        1.2       pk 	int	sc_nrange;
    119        1.2       pk 	int	sc_burst;		/* burst transfer sizes supported */
    120        1.3      eeh 	/* machdep stuff follows here */
    121        1.2       pk 	int	*sc_intr2ipl;		/* Interrupt level translation */
    122        1.2       pk };
    123        1.2       pk #endif
    124        1.2       pk 
    125        1.1       pk 
    126        1.1       pk /*
    127        1.1       pk  * PROM-reported DMA burst sizes for the SBus
    128        1.1       pk  */
    129        1.1       pk #define SBUS_BURST_1	0x1
    130        1.1       pk #define SBUS_BURST_2	0x2
    131        1.1       pk #define SBUS_BURST_4	0x4
    132        1.1       pk #define SBUS_BURST_8	0x8
    133        1.1       pk #define SBUS_BURST_16	0x10
    134        1.1       pk #define SBUS_BURST_32	0x20
    135        1.1       pk #define SBUS_BURST_64	0x40
    136        1.5       pk 
    137        1.5       pk /* We use #defined(SUN4*) here while the ports are in flux */
    138       1.20       pk #if defined(SUN4) || defined(SUN4C) || defined(SUN4M) || defined(SUN4D)
    139        1.5       pk #include <sparc/dev/sbusvar.h>
    140        1.5       pk #elif defined(SUN4U)
    141        1.5       pk #include <sparc64/dev/sbusvar.h>
    142        1.5       pk #endif
    143        1.2       pk 
    144        1.2       pk #endif /* _SBUS_VAR_H */
    145