[unix-history] / usr / src / sys / i386 / isa / isa_device.h

/*
 * ISA Bus Autoconfiguration
 *	@(#)isa_device.h	1.1 (Berkeley) %G%
 */

/*
 * Per device structure.
 */
struct isa_device {
	struct	isa_driver *id_driver;
	short	id_iobase;	/* base i/o address */
	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 */
	int	(*id_intr)();	/* interrupt interface routine */
	int	id_unit;	/* unit number */
	int	id_scsiid;	/* scsi id if needed */
	int	id_alive;	/* device is present */
};

/*
 * 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)();		/* test whether device is present */
	int	(*attach)();		/* setup driver for a device */
	char	*name;			/* device name */
};

extern struct isa_device isa_devtab_bio[], isa_devtab_tty[], isa_devtab_net[],
		isa_devtab_null[];
Commit	Line	Data
704daf28 BJ	1	/*
	2	* ISA Bus Autoconfiguration
	3	* @(#)isa_device.h 1.1 (Berkeley) %G%
	4	*/
	5
	6	/*
	7	* Per device structure.
	8	*/
	9	struct isa_device {
	10	struct isa_driver *id_driver;
	11	short id_iobase; /* base i/o address */
	12	short id_irq; /* interrupt request */
	13	short id_drq; /* DMA request */
	14	caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/
	15	int id_msize; /* size of i/o memory */
	16	int (id_intr)(); / interrupt interface routine */
	17	int id_unit; /* unit number */
	18	int id_scsiid; /* scsi id if needed */
	19	int id_alive; /* device is present */
	20	};
	21
	22	/*
	23	* Per-driver structure.
	24	*
	25	* Each device driver defines entries for a set of routines
	26	* as well as an array of types which are acceptable to it.
	27	* These are used at boot time by the configuration program.
	28	*/
	29	struct isa_driver {
	30	int (probe)(); / test whether device is present */
	31	int (attach)(); / setup driver for a device */
	32	char name; / device name */
	33	};
	34
	35	extern struct isa_device isa_devtab_bio[], isa_devtab_tty[], isa_devtab_net[],
	36	isa_devtab_null[];