diff options
Diffstat (limited to 'sys/i386/isa/isa_device.h')
| -rw-r--r-- | sys/i386/isa/isa_device.h | 65 |
1 files changed, 57 insertions, 8 deletions
diff --git a/sys/i386/isa/isa_device.h b/sys/i386/isa/isa_device.h index 16fac9a..47dd12d 100644 --- a/sys/i386/isa/isa_device.h +++ b/sys/i386/isa/isa_device.h @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91 - * $Id: isa_device.h,v 1.4 1993/12/19 00:50:42 wollman Exp $ + * $Id: isa_device.h,v 1.5 1994/01/04 20:06:30 nate Exp $ */ #ifndef _I386_ISA_ISA_DEVICE_H_ @@ -41,21 +41,38 @@ * 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; short 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 */ - void (*id_intr)(); /* interrupt interface routine */ + 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() */ }; /* @@ -66,17 +83,49 @@ struct isa_device { * These are used at boot time by the configuration program. */ struct isa_driver { - int (*probe)(); /* test whether device is present */ - int (*attach)(); /* setup driver for a device */ + 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 */ +u_long *intr_countp[]; /* indirectors into intrcnt[] */ +inthand2_t *intr_handler[]; /* C entry points of intr handlers */ +u_int intr_mask[]; /* sets of intrs masked during handling of 1 */ +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[]; -extern struct isa_device *find_isadev(/* table, driver, unit*/); - -extern void isa_dmastart(int, caddr_t, unsigned, unsigned); -extern void isa_dmadone(int, caddr_t, int, int); +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_ */ |
