/* $NetBSD: isavar.h,v 1.35 1998/11/30 12:57:10 leo Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * 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. */ /* * Copyright (c) 1995 Chris G. Demetriou * Copyright (c) 1992 Berkeley Software Design, Inc. * 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 Berkeley Software * Design, Inc. * 4. The name of Berkeley Software Design must not be used to endorse * or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN, INC. ``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 BERKELEY SOFTWARE DESIGN, INC. 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. * * BSDI Id: isavar.h,v 1.5 1992/12/01 18:06:00 karels Exp */ #ifndef _DEV_ISA_ISAVAR_H_ #define _DEV_ISA_ISAVAR_H_ /* * Definitions for ISA autoconfiguration. */ #include #include /* * Structures and definitions needed by the machine-dependent header. */ struct isabus_attach_args; #if (alpha + arc + arm32 + atari + bebox + i386 != 1) ERROR: COMPILING FOR UNSUPPORTED MACHINE, OR MORE THAN ONE. #endif #if alpha #include #endif #if arc #include #endif #if arm32 #include #endif #if atari #include #endif #if bebox #include #endif #if i386 #include #endif /* * ISA bus attach arguments */ struct isabus_attach_args { char *iba_busname; /* XXX should be common */ bus_space_tag_t iba_iot; /* isa i/o space tag */ bus_space_tag_t iba_memt; /* isa mem space tag */ bus_dma_tag_t iba_dmat; /* isa DMA tag */ isa_chipset_tag_t iba_ic; }; /* * ISA driver attach arguments */ struct isa_attach_args { bus_space_tag_t ia_iot; /* isa i/o space tag */ bus_space_tag_t ia_memt; /* isa mem space tag */ bus_dma_tag_t ia_dmat; /* DMA tag */ isa_chipset_tag_t ia_ic; int ia_iobase; /* base i/o address */ int ia_iosize; /* span of ports used */ int ia_irq; /* interrupt request */ int ia_drq; /* DMA request */ int ia_drq2; /* second DMA request */ int ia_maddr; /* physical i/o mem addr */ u_int ia_msize; /* size of i/o memory */ void *ia_aux; /* driver specific */ }; #ifdef ORIG #include "locators.h" #endif #define IOBASEUNK ISACF_PORT_DEFAULT /* i/o address is unknown */ #define IRQUNK ISACF_IRQ_DEFAULT /* interrupt request line is unknown */ #define DRQUNK ISACF_DRQ_DEFAULT /* DMA request line is unknown */ #define MADDRUNK ISACF_IOMEM_DEFAULT /* shared memory address is unknown */ /* * Per-device ISA variables */ struct isadev { struct device *id_dev; /* back pointer to generic */ TAILQ_ENTRY(isadev) id_bchain; /* bus chain */ }; /* * ISA master bus */ struct isa_softc { struct device sc_dev; /* base device */ TAILQ_HEAD(, isadev) sc_subdevs; /* list of all children */ bus_space_tag_t sc_iot; /* isa io space tag */ bus_space_tag_t sc_memt; /* isa mem space tag */ bus_dma_tag_t sc_dmat; /* isa DMA tag */ isa_chipset_tag_t sc_ic; }; #define cf_iobase cf_loc[ISACF_PORT] #define cf_iosize cf_loc[ISACF_SIZE] #define cf_maddr cf_loc[ISACF_IOMEM] #define cf_msize cf_loc[ISACF_IOSIZ] #define cf_irq cf_loc[ISACF_IRQ] #define cf_drq cf_loc[ISACF_DRQ] #define cf_drq2 cf_loc[ISACF_DRQ2] /* * ISA interrupt handler manipulation. * * To establish an ISA interrupt handler, a driver calls isa_intr_establish() * with the interrupt number, type, level, function, and function argument of * the interrupt it wants to handle. Isa_intr_establish() returns an opaque * handle to an event descriptor if it succeeds, and returns NULL on failure. * (XXX: some drivers can't handle this, since the former behaviour was to * invoke panic() on failure). When the system does not accept any of the * interrupt types supported by the driver, the driver should fail the attach. * Interrupt handlers should return 0 for "interrupt not for me", 1 for * "I took care of it", or -1 for "I guess it was mine, but I wasn't * expecting it." * * To remove an interrupt handler, the driver calls isa_intr_disestablish() * with the handle returned by isa_intr_establish() for that handler. */ /* ISA interrupt sharing types */ char *isa_intr_typename __P((int type)); #ifdef NEWCONFIG /* * Establish a device as being on the ISA bus (XXX NOT IMPLEMENTED). */ void isa_establish __P((struct isadev *, struct device *)); #endif /* * Some ISA devices (e.g. on a VLB) can perform 32-bit DMA. This * flag is passed to bus_dmamap_create() to indicate that fact. */ #define ISABUS_DMA_32BIT BUS_DMA_BUS1 #endif /* _DEV_ISA_ISAVAR_H_ */