/* 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;
