54a8c69347
Interrupts under the new scheme are managed by the i386 nexus with the awareness of the resource manager. There is further room for optimizing the interfaces still. All the users of register_intr()/intr_create() should be gone, with the exception of pcic and i386/isa/clock.c.
118 lines
4.2 KiB
C
118 lines
4.2 KiB
C
/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91
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* $Id: isa_device.h,v 1.59 1999/04/19 20:16:22 peter Exp $
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*/
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#ifndef _I386_ISA_ISA_DEVICE_H_
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#define _I386_ISA_ISA_DEVICE_H_
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#ifdef KERNEL
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#include <i386/isa/isa_dma.h>
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#endif
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/*
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* ISA Bus Autoconfiguration
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*/
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/*
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* Per device structure.
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*
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* XXX Note: id_conflicts should either become an array of things we're
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* specifically allowed to conflict with or be subsumed into some
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* more powerful mechanism for detecting and dealing with multiple types
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* of non-fatal conflict. -jkh XXX
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*/
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struct isa_device {
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int id_id; /* device id */
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struct isa_driver *id_driver;
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int id_iobase; /* base i/o address */
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u_int id_irq; /* interrupt request */
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int id_drq; /* DMA request */
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caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/
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int id_msize; /* size of i/o memory */
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union {
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inthand2_t *id_i;
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ointhand2_t *id_oi;
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} id_iu; /* interrupt interface routine */
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#define id_intr id_iu.id_i
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#define id_ointr id_iu.id_oi
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int id_unit; /* unit number */
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int id_flags; /* flags */
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int id_scsiid; /* scsi id if needed */
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int id_alive; /* device is present */
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#define RI_FAST 1 /* fast interrupt handler */
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u_int id_ri_flags; /* flags for register_intr() */
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int id_reconfig; /* hot eject device support (such as PCMCIA) */
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int id_enabled; /* is device enabled */
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int id_conflicts; /* we're allowed to conflict with things */
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struct isa_device *id_next; /* used in isa_devlist in userconfig() */
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};
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/*
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* Bits to specify the type and amount of conflict checking.
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*/
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#define CC_ATTACH (1 << 0)
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#define CC_DRQ (1 << 1)
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#define CC_IOADDR (1 << 2)
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#define CC_IRQ (1 << 3)
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#define CC_MEMADDR (1 << 4)
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#define CC_QUIET (1 << 5)
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/*
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* Per-driver structure.
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*
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* Each device driver defines entries for a set of routines
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* as well as an array of types which are acceptable to it.
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* These are used at boot time by the configuration program.
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*/
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struct isa_driver {
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int (*probe) __P((struct isa_device *idp));
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/* test whether device is present */
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int (*attach) __P((struct isa_device *idp));
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/* setup driver for a device */
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char *name; /* device name */
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int sensitive_hw; /* true if other probes confuse us */
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};
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#ifdef KERNEL
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int haveseen_isadev __P((struct isa_device *dvp, u_int checkbits));
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void reconfig_isadev __P((struct isa_device *isdp, u_int *mp));
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int isa_compat_nextid __P((void));
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void isa_wrap_old_drivers __P((void));
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#endif /* KERNEL */
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#endif /* !_I386_ISA_ISA_DEVICE_H_ */
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