1130b656e5
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
170 lines
6.5 KiB
C
170 lines
6.5 KiB
C
/*-
|
|
* 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
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _I386_ISA_ISA_DEVICE_H_
|
|
#define _I386_ISA_ISA_DEVICE_H_
|
|
|
|
/*
|
|
* 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.
|
|
*
|
|
* 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_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) */
|
|
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 */
|
|
};
|
|
|
|
#define ISA_EXTERNALLEN (sizeof(struct isa_device))
|
|
|
|
#ifdef KERNEL
|
|
|
|
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[]; /* pointers 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_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_null[];
|
|
extern struct isa_device isa_devtab_tty[];
|
|
|
|
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);
|
|
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);
|
|
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_defaultirq __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_irq_pending __P((struct isa_device *dvp));
|
|
int isa_nmi __P((int cd));
|
|
void reconfig_isadev __P((struct isa_device *isdp, u_int *mp));
|
|
int register_intr __P((int intr, int device_id, u_int flags,
|
|
inthand2_t *handler, u_int *maskptr, int unit));
|
|
int unregister_intr __P((int intr, inthand2_t *handler));
|
|
int update_intr_masks __P((void));
|
|
|
|
#endif /* KERNEL */
|
|
|
|
#endif /* !_I386_ISA_ISA_DEVICE_H_ */
|