/* $NetBSD: ppbus_device.h,v 1.6 2008/04/15 15:02:29 cegger 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 {
        device_t 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 */