NetBSD/sys/dev/ppbus/ppbus_device.h

52 lines
1.3 KiB
C

/* $NetBSD: ppbus_device.h,v 1.3 2004/01/28 17:11:48 jdolecek Exp $ */
#ifndef __PPBUS_DEVICE_H
#define __PPBUS_DEVICE_H
#include <sys/device.h>
#include <dev/ppbus/ppbus_msq.h>
/* Parallel Port Bus Device context. */
struct ppbus_context {
int valid; /* 1 if the struct is valid */
int mode; /* XXX chipset operating mode */
struct microseq *curpc; /* pc in curmsq */
struct microseq *curmsq; /* currently executed microseqence */
};
/* Parallel Port Bus Device structure. */
struct ppbus_device_softc {
struct device sc_dev;
u_int16_t mode; /* current mode of the device */
u_int16_t capabilities; /* ppbus capabilities */
/* uint flags; flags */
struct ppbus_context ctx; /* context of the device */
/* mode dependent get msq. If NULL,
* IEEE1284 code is used */
struct ppbus_xfer
get_xfer[PPBUS_MAX_XFER];
/* mode dependent put msq. If NULL,
* IEEE1284 code is used */
struct ppbus_xfer
put_xfer[PPBUS_MAX_XFER];
/* Each structure is a node in a list of child devices */
SLIST_ENTRY(ppbus_device_softc) entries;
};
struct ppbus_attach_args {
/* Available IEEE1284 modes */
u_int16_t capabilities;
/* Flags?
u_int16_t flags;*/
};
#endif /* __PPBUS_DEVICE_H */