/*- * Copyright (c) 1991 The Regents of the University of California. * 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 the University of * California, Berkeley and its contributors. * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91 * $Id: isa_device.h,v 1.10 1994/09/03 16:03:09 csgr Exp $ */ #ifndef _I386_ISA_ISA_DEVICE_H_ #define _I386_ISA_ISA_DEVICE_H_ 1 /* * ISA Bus Autoconfiguration */ #define IDTVEC(name) __CONCAT(X,name) /* * Type of the first (asm) part of an interrupt handler. */ typedef void inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss)); /* * Usual type of the second (C) part of an interrupt handler. Some bogus * ones need the arg to be the interrupt frame (and not a copy of it, which * is all that is possible in C). */ typedef void inthand2_t __P((int unit)); /* * Per device structure. */ struct isa_device { int id_id; /* device id */ struct isa_driver *id_driver; int id_iobase; /* base i/o address */ u_short id_irq; /* interrupt request */ short id_drq; /* DMA request */ caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/ int id_msize; /* size of i/o memory */ inthand2_t *id_intr; /* interrupt interface routine */ int id_unit; /* unit number */ int id_flags; /* flags */ int id_scsiid; /* scsi id if needed */ int id_alive; /* device is present */ #define RI_FAST 1 /* fast interrupt handler */ u_int id_ri_flags; /* flags for register_intr() */ int id_reconfig; /* hot eject device support (such as PCMCIA) */ }; /* * Per-driver structure. * * Each device driver defines entries for a set of routines * as well as an array of types which are acceptable to it. * These are used at boot time by the configuration program. */ struct isa_driver { int (*probe) __P((struct isa_device *idp)); /* test whether device is present */ int (*attach) __P((struct isa_device *idp)); /* setup driver for a device */ char *name; /* device name */ }; extern char eintrnames[]; /* end of intrnames[] */ extern u_long intrcnt[]; /* counts for for each device and stray */ extern char intrnames[]; /* string table containing device names */ extern u_long *intr_countp[]; /* indirectors into intrcnt[] */ extern inthand2_t *intr_handler[]; /* C entry points of intr handlers */ extern u_int intr_mask[]; /* sets of intrs masked during handling of 1 */ extern int intr_unit[]; /* cookies to pass to intr handlers */ extern struct isa_device isa_devtab_bio[], isa_devtab_tty[], isa_devtab_net[], isa_devtab_null[], isa_biotab_wdc[], isa_biotab_fdc[]; inthand_t IDTVEC(fastintr0), IDTVEC(fastintr1), IDTVEC(fastintr2), IDTVEC(fastintr3), IDTVEC(fastintr4), IDTVEC(fastintr5), IDTVEC(fastintr6), IDTVEC(fastintr7), IDTVEC(fastintr8), IDTVEC(fastintr9), IDTVEC(fastintr10), IDTVEC(fastintr11), IDTVEC(fastintr12), IDTVEC(fastintr13), IDTVEC(fastintr14), IDTVEC(fastintr15); struct isa_device *find_isadev __P((struct isa_device *table, struct isa_driver *driverp, int unit)); inthand_t IDTVEC(intr0), IDTVEC(intr1), IDTVEC(intr2), IDTVEC(intr3), IDTVEC(intr4), IDTVEC(intr5), IDTVEC(intr6), IDTVEC(intr7), IDTVEC(intr8), IDTVEC(intr9), IDTVEC(intr10), IDTVEC(intr11), IDTVEC(intr12), IDTVEC(intr13), IDTVEC(intr14), IDTVEC(intr15); void isa_configure __P((void)); void isa_defaultirq __P((void)); void isa_dmacascade __P((unsigned chan)); void isa_dmadone __P((int, caddr_t, int, int)); void isa_dmastart __P((int, caddr_t, unsigned, unsigned)); int isa_irq_pending __P((struct isa_device *dvp)); int isa_nmi __P((int cd)); int register_intr __P((int intr, int device_id, u_int flags, inthand2_t *handler, u_int mask, int unit)); int unregister_intr __P((int intr, inthand2_t *handler)); #endif /* _I386_ISA_ISA_DEVICE_H_ */