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sbusvar.h revision 1.17.2.1
      1  1.17.2.1      eeh /*	$NetBSD: sbusvar.h,v 1.17.2.1 2002/03/26 17:32:01 eeh 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       1.2       pk struct sbus_softc;
     47       1.2       pk 
     48       1.2       pk /*
     49       1.2       pk  * S-bus variables.
     50       1.2       pk  */
     51       1.2       pk struct sbusdev {
     52       1.2       pk 	struct	device *sd_dev;		/* backpointer to generic */
     53       1.2       pk 	struct	sbusdev *sd_bchain;	/* forward link in bus chain */
     54       1.2       pk 	void	(*sd_reset) __P((struct device *));
     55       1.2       pk };
     56       1.2       pk 
     57      1.14       pk typedef u_int32_t sbus_slot_t;
     58      1.14       pk typedef u_int32_t sbus_offset_t;
     59       1.2       pk 
     60       1.2       pk /* Device register space description */
     61       1.2       pk struct sbus_reg {
     62       1.2       pk 	u_int32_t	sbr_slot;
     63       1.2       pk 	u_int32_t	sbr_offset;
     64       1.2       pk 	u_int32_t	sbr_size;
     65       1.2       pk };
     66       1.2       pk 
     67       1.2       pk /* Interrupt information */
     68       1.2       pk struct sbus_intr {
     69       1.2       pk 	u_int32_t	sbi_pri;	/* priority (IPL) */
     70       1.2       pk 	u_int32_t	sbi_vec;	/* vector (always 0?) */
     71       1.2       pk };
     72       1.2       pk 
     73       1.2       pk /* Address translation accross busses */
     74       1.2       pk struct sbus_range {
     75       1.2       pk 	u_int32_t	cspace;		/* Client space */
     76       1.2       pk 	u_int32_t	coffset;	/* Client offset */
     77       1.2       pk 	u_int32_t	pspace;		/* Parent space */
     78       1.2       pk 	u_int32_t	poffset;	/* Parent offset */
     79       1.2       pk 	u_int32_t	size;		/* Size in bytes of this range */
     80       1.2       pk };
     81       1.2       pk 
     82       1.2       pk /*
     83       1.2       pk  * Sbus driver attach arguments.
     84       1.2       pk  */
     85       1.2       pk struct sbus_attach_args {
     86       1.2       pk 	int		sa_placeholder;	/* for obio attach args sharing */
     87       1.2       pk 	bus_space_tag_t	sa_bustag;
     88       1.2       pk 	bus_dma_tag_t	sa_dmatag;
     89       1.2       pk 	char		*sa_name;	/* PROM node name */
     90       1.2       pk 	int		sa_node;	/* PROM handle */
     91       1.2       pk 	struct sbus_reg	*sa_reg;	/* Sbus register space for device */
     92       1.2       pk 	int		sa_nreg;	/* Number of Sbus register spaces */
     93       1.2       pk #define sa_slot		sa_reg[0].sbr_slot
     94       1.2       pk #define sa_offset	sa_reg[0].sbr_offset
     95       1.2       pk #define sa_size		sa_reg[0].sbr_size
     96       1.2       pk 
     97       1.2       pk 	struct sbus_intr *sa_intr;	/* Sbus interrupts for device */
     98       1.2       pk 	int		sa_nintr;	/* Number of interrupts */
     99       1.2       pk #define sa_pri		sa_intr[0].sbi_pri
    100       1.2       pk 
    101       1.7      eeh 	u_int32_t	*sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */
    102       1.2       pk 	int		sa_npromvaddrs;	/* Number of PROM VAs */
    103       1.9      eeh #define sa_promvaddr	sa_promvaddrs[0]
    104      1.11      eeh 	int		sa_frequency;	/* SBus clockrate */
    105       1.2       pk };
    106       1.2       pk 
    107       1.6      eeh /* sbus_attach_internal() is also used from obio.c */
    108       1.6      eeh void	sbus_attach_common __P((struct sbus_softc *, char *, int,
    109      1.10       pk 				const char * const *));
    110       1.2       pk int	sbus_print __P((void *, const char *));
    111       1.2       pk 
    112       1.2       pk void	sbus_establish __P((struct sbusdev *, struct device *));
    113       1.2       pk 
    114  1.17.2.1      eeh struct device *sbus_setup_attach_args __P((
    115  1.17.2.1      eeh 		struct device *,
    116       1.2       pk 		bus_space_tag_t,
    117       1.2       pk 		bus_dma_tag_t,
    118       1.2       pk 		int,			/*node*/
    119       1.2       pk 		struct sbus_attach_args *));
    120       1.2       pk 
    121       1.2       pk void	sbus_destroy_attach_args __P((struct sbus_attach_args *));
    122       1.2       pk 
    123      1.14       pk #define sbus_bus_map(tag, slot, offset, sz, flags, hp) \
    124      1.14       pk 	bus_space_map(tag, BUS_ADDR(slot,offset), sz, flags, hp)
    125      1.12      eeh bus_addr_t	sbus_bus_addr __P((bus_space_tag_t, u_int, u_int));
    126      1.16      eeh void	sbus_promaddr_to_handle __P((bus_space_tag_t, u_int,
    127      1.17      eeh 	bus_space_handle_t *));
    128  1.17.2.1      eeh void *	sbus_intr_establish __P((struct device *, int, int,
    129  1.17.2.1      eeh 	int (*) (void *), void *));
    130       1.2       pk 
    131       1.2       pk #if notyet
    132       1.2       pk /* variables per Sbus */
    133       1.2       pk struct sbus_softc {
    134       1.2       pk 	struct	device sc_dev;		/* base device */
    135       1.2       pk 	bus_space_tag_t	sc_bustag;
    136       1.2       pk 	bus_dma_tag_t	sc_dmatag;
    137       1.2       pk 	int	sc_clockfreq;		/* clock frequency (in Hz) */
    138       1.2       pk 	struct	sbusdev *sc_sbdev;	/* list of all children */
    139       1.2       pk 	struct	sbus_range *sc_range;
    140       1.2       pk 	int	sc_nrange;
    141       1.2       pk 	int	sc_burst;		/* burst transfer sizes supported */
    142       1.3      eeh 	/* machdep stuff follows here */
    143       1.2       pk 	int	*sc_intr2ipl;		/* Interrupt level translation */
    144       1.2       pk 	int	*sc_intr_compat;	/* `intr' property to sbus compat */
    145       1.2       pk };
    146       1.2       pk #endif
    147       1.2       pk 
    148       1.1       pk 
    149       1.1       pk /*
    150       1.1       pk  * PROM-reported DMA burst sizes for the SBus
    151       1.1       pk  */
    152       1.1       pk #define SBUS_BURST_1	0x1
    153       1.1       pk #define SBUS_BURST_2	0x2
    154       1.1       pk #define SBUS_BURST_4	0x4
    155       1.1       pk #define SBUS_BURST_8	0x8
    156       1.1       pk #define SBUS_BURST_16	0x10
    157       1.1       pk #define SBUS_BURST_32	0x20
    158       1.1       pk #define SBUS_BURST_64	0x40
    159       1.5       pk 
    160       1.5       pk /* We use #defined(SUN4*) here while the ports are in flux */
    161       1.5       pk #if defined(SUN4) || defined(SUN4C) || defined(SUN4M)
    162       1.5       pk #include <sparc/dev/sbusvar.h>
    163       1.5       pk #elif defined(SUN4U)
    164       1.5       pk #include <sparc64/dev/sbusvar.h>
    165       1.5       pk #endif
    166       1.2       pk 
    167       1.2       pk #endif /* _SBUS_VAR_H */
    168