/* $OpenBSD: sbusvar.h,v 1.6 2002/06/14 21:34:59 todd Exp $ */ /* $NetBSD: sbusvar.h,v 1.11 2000/11/01 06:18:45 eeh Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Paul Kranenburg. * * 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 the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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 _SBUS_VAR_H #define _SBUS_VAR_H struct sbus_softc; /* * S-bus variables. */ struct sbusdev { struct device *sd_dev; /* backpointer to generic */ struct sbusdev *sd_bchain; /* forward link in bus chain */ void (*sd_reset)(struct device *); }; /* Device register space description */ struct sbus_reg { u_int32_t sbr_slot; u_int32_t sbr_offset; u_int32_t sbr_size; }; /* Interrupt information */ struct sbus_intr { u_int32_t sbi_pri; /* priority (IPL) */ u_int32_t sbi_vec; /* vector (always 0?) */ }; /* Address translation across busses */ struct sbus_range { u_int32_t cspace; /* Client space */ u_int32_t coffset; /* Client offset */ u_int32_t pspace; /* Parent space */ u_int32_t poffset; /* Parent offset */ u_int32_t size; /* Size in bytes of this range */ }; /* * Sbus driver attach arguments. */ struct sbus_attach_args { int sa_placeholder; /* for obio attach args sharing */ bus_space_tag_t sa_bustag; bus_dma_tag_t sa_dmatag; char *sa_name; /* PROM node name */ int sa_node; /* PROM handle */ struct sbus_reg *sa_reg; /* Sbus register space for device */ int sa_nreg; /* Number of Sbus register spaces */ #define sa_slot sa_reg[0].sbr_slot #define sa_offset sa_reg[0].sbr_offset #define sa_size sa_reg[0].sbr_size struct sbus_intr *sa_intr; /* Sbus interrupts for device */ int sa_nintr; /* Number of interrupts */ #define sa_pri sa_intr[0].sbi_pri u_int32_t *sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */ int sa_npromvaddrs; /* Number of PROM VAs */ #define sa_promvaddr sa_promvaddrs[0] int sa_frequency; /* SBus clockrate */ }; /* sbus_attach_internal() is also used from obio.c */ void sbus_attach_common(struct sbus_softc *, char *, int, const char * const *); int sbus_print(void *, const char *); void sbus_establish(struct sbusdev *, struct device *); int sbus_setup_attach_args( struct sbus_softc *, bus_space_tag_t, bus_dma_tag_t, int, /*node*/ struct sbus_attach_args *); void sbus_destroy_attach_args(struct sbus_attach_args *); #define sbus_bus_map(t, bt, a, s, f, v, hp) \ bus_space_map2(t, bt, a, s, f, v, hp) #if notyet /* variables per Sbus */ struct sbus_softc { struct device sc_dev; /* base device */ bus_space_tag_t sc_bustag; bus_dma_tag_t sc_dmatag; int sc_clockfreq; /* clock frequency (in Hz) */ struct sbusdev *sc_sbdev; /* list of all children */ struct sbus_range *sc_range; int sc_nrange; int sc_burst; /* burst transfer sizes supported */ /* machdep stuff follows here */ int *sc_intr2ipl; /* Interrupt level translation */ int *sc_intr_compat; /* `intr' property to sbus compat */ }; #endif /* * PROM-reported DMA burst sizes for the SBus */ #define SBUS_BURST_1 0x1 #define SBUS_BURST_2 0x2 #define SBUS_BURST_4 0x4 #define SBUS_BURST_8 0x8 #define SBUS_BURST_16 0x10 #define SBUS_BURST_32 0x20 #define SBUS_BURST_64 0x40 /* We use #defined(SUN4*) here while the ports are in flux */ #if defined(SUN4) || defined(SUN4C) || defined(SUN4M) #include #elif defined(SUN4U) #include #endif #endif /* _SBUS_VAR_H */