sys/dev/ppbus/ppbus_device.h

   1 /* $NetBSD: ppbus_device.h,v 1.5 2005/12/11 12:23:28 christos Exp $ */
   2
   3 #ifndef __PPBUS_DEVICE_H
   4 #define __PPBUS_DEVICE_H
   5
   6 #include <sys/device.h>
   7
   8 #include <dev/ppbus/ppbus_msq.h>
   9
  10
  11 /* Parallel Port Bus Device context. */
  12 struct ppbus_context {
  13         int valid;                      /* 1 if the struct is valid */
  14         int mode;                       /* XXX chipset operating mode */
  15         struct microseq *curpc;         /* pc in curmsq */
  16         struct microseq *curmsq;        /* currently executed microseqence */
  17 };
  18
  19 /* Parallel Port Bus Device structure. */
  20 struct ppbus_device_softc {
  21         device_t sc_dev;
  22
  23         u_int16_t mode;                 /* current mode of the device */
  24         u_int16_t capabilities;         /* ppbus capabilities */
  25
  26         /* uint flags;                     flags */
  27         struct ppbus_context ctx;       /* context of the device */
  28
  29                                         /* mode dependent get msq. If NULL,
  30                                          * IEEE1284 code is used */
  31         struct ppbus_xfer
  32                 get_xfer[PPBUS_MAX_XFER];
  33
  34                                         /* mode dependent put msq. If NULL,
  35                                          * IEEE1284 code is used */
  36         struct ppbus_xfer
  37                 put_xfer[PPBUS_MAX_XFER];
  38
  39         /* Each structure is a node in a list of child devices */
  40         SLIST_ENTRY(ppbus_device_softc) entries;
  41 };
  42
  43 struct ppbus_attach_args {
  44         /* Available IEEE1284 modes */
  45         u_int16_t capabilities;
  46
  47         /* Flags?
  48         u_int16_t flags;*/
  49 };
  50
  51 #endif /* __PPBUS_DEVICE_H */