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sbusvar.h revision 1.19.6.5
      1  1.19.6.5    skrll /*	$NetBSD: sbusvar.h,v 1.19.6.5 2005/03/04 16:50:31 skrll 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  1.19.6.4    skrll 	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  1.19.6.5    skrll void	sbus_attach_common(struct sbus_softc *, char *, int,
     89  1.19.6.4    skrll 				const char * const *);
     90  1.19.6.4    skrll int	sbus_print(void *, const char *);
     91       1.2       pk 
     92  1.19.6.4    skrll void	sbus_establish(struct sbusdev *, struct device *);
     93       1.2       pk 
     94  1.19.6.4    skrll 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  1.19.6.4    skrll 		struct sbus_attach_args *);
    100       1.2       pk 
    101  1.19.6.4    skrll 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  1.19.6.4    skrll bus_addr_t	sbus_bus_addr(bus_space_tag_t, u_int, u_int);
    106  1.19.6.5    skrll void	sbus_promaddr_to_handle(bus_space_tag_t, u_int,
    107  1.19.6.4    skrll 	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  1.19.6.1    skrll #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