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/*-
* 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 1.46 1997/08/28 03:37:46 msmith Exp $
*/
#ifndef _I386_ISA_ISA_DEVICE_H_
#define _I386_ISA_ISA_DEVICE_H_
/*
* ISA Bus Autoconfiguration
*/
/*
* Per device structure.
*
* XXX Note: id_conflicts should either become an array of things we're
* specifically allowed to conflict with or be subsumed into some
* more powerful mechanism for detecting and dealing with multiple types
* of non-fatal conflict. -jkh XXX
*/
struct isa_device {
int id_id; /* device id */
struct isa_driver *id_driver;
int id_iobase; /* base i/o address */
u_int id_irq; /* interrupt request */
int 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) */
int id_enabled; /* is device enabled */
int id_conflicts; /* we're allowed to conflict with things */
struct isa_device *id_next; /* used in isa_devlist in userconfig() */
};
/*
* Bits to specify the type and amount of conflict checking.
*/
#define CC_ATTACH (1 << 0)
#define CC_DRQ (1 << 1)
#define CC_IOADDR (1 << 2)
#define CC_IRQ (1 << 3)
#define CC_MEMADDR (1 << 4)
/*
* 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 */
int sensitive_hw; /* true if other probes confuse us */
};
#ifdef KERNEL
extern struct isa_device isa_biotab_fdc[];
extern struct isa_device isa_biotab_wdc[];
extern struct isa_device isa_devtab_bio[];
extern struct isa_device isa_devtab_net[];
extern struct isa_device isa_devtab_cam[];
extern struct isa_device isa_devtab_null[];
extern struct isa_device isa_devtab_tty[];
struct isa_device *
find_display __P((void));
struct isa_device *
find_isadev __P((struct isa_device *table, struct isa_driver *driverp,
int unit));
int haveseen_isadev __P((struct isa_device *dvp, u_int checkbits));
void isa_configure __P((void));
void isa_dmacascade __P((int chan));
void isa_dmadone __P((int flags, caddr_t addr, int nbytes, int chan));
void isa_dmainit __P((int chan, u_int bouncebufsize));
void isa_dmastart __P((int flags, caddr_t addr, u_int nbytes, int chan));
int isa_dma_acquire __P((int chan));
void isa_dma_release __P((int chan));
int isa_dmastatus __P((int chan));
int isa_dmastop __P((int chan));
void reconfig_isadev __P((struct isa_device *isdp, u_int *mp));
#endif /* KERNEL */
#endif /* !_I386_ISA_ISA_DEVICE_H_ */
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