include/linux/ppdev.h

   1 /*
   2  * linux/drivers/char/ppdev.h
   3  *
   4  * User-space parallel port device driver (header file).
   5  *
   6  * Copyright (C) 1998-9 Tim Waugh <tim@cyberelk.demon.co.uk>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version
  11  * 2 of the License, or (at your option) any later version.
  12  *
  13  * Added PPGETTIME/PPSETTIME, Fred Barnes, 1999
  14  * Added PPGETMODES/PPGETMODE/PPGETPHASE, Fred Barnes <frmb2@ukc.ac.uk>, 03/01/2001
  15  */
  16
  17 #define PP_IOCTL        'p'
  18
  19 /* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */
  20 #define PPSETMODE       _IOW(PP_IOCTL, 0x80, int)
  21
  22 /* Read status */
  23 #define PPRSTATUS       _IOR(PP_IOCTL, 0x81, unsigned char)
  24 #define PPWSTATUS       OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char)
  25
  26 /* Read/write control */
  27 #define PPRCONTROL      _IOR(PP_IOCTL, 0x83, unsigned char)
  28 #define PPWCONTROL      _IOW(PP_IOCTL, 0x84, unsigned char)
  29
  30 struct ppdev_frob_struct {
  31         unsigned char mask;
  32         unsigned char val;
  33 };
  34 #define PPFCONTROL      _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct)
  35
  36 /* Read/write data */
  37 #define PPRDATA         _IOR(PP_IOCTL, 0x85, unsigned char)
  38 #define PPWDATA         _IOW(PP_IOCTL, 0x86, unsigned char)
  39
  40 /* Read/write econtrol (not used) */
  41 #define PPRECONTROL     OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char)
  42 #define PPWECONTROL     OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char)
  43
  44 /* Read/write FIFO (not used) */
  45 #define PPRFIFO         OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char)
  46 #define PPWFIFO         OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char)
  47
  48 /* Claim the port to start using it */
  49 #define PPCLAIM         _IO(PP_IOCTL, 0x8b)
  50
  51 /* Release the port when you aren't using it */
  52 #define PPRELEASE       _IO(PP_IOCTL, 0x8c)
  53
  54 /* Yield the port (release it if another driver is waiting,
  55  * then reclaim) */
  56 #define PPYIELD         _IO(PP_IOCTL, 0x8d)
  57
  58 /* Register device exclusively (must be before PPCLAIM). */
  59 #define PPEXCL          _IO(PP_IOCTL, 0x8f)
  60
  61 /* Data line direction: non-zero for input mode. */
  62 #define PPDATADIR       _IOW(PP_IOCTL, 0x90, int)
  63
  64 /* Negotiate a particular IEEE 1284 mode. */
  65 #define PPNEGOT         _IOW(PP_IOCTL, 0x91, int)
  66
  67 /* Set control lines when an interrupt occurs. */
  68 #define PPWCTLONIRQ     _IOW(PP_IOCTL, 0x92, unsigned char)
  69
  70 /* Clear (and return) interrupt count. */
  71 #define PPCLRIRQ        _IOR(PP_IOCTL, 0x93, int)
  72
  73 /* Set the IEEE 1284 phase that we're in (e.g. IEEE1284_PH_FWD_IDLE) */
  74 #define PPSETPHASE      _IOW(PP_IOCTL, 0x94, int)
  75
  76 /* Set and get port timeout (struct timeval's) */
  77 #define PPGETTIME       _IOR(PP_IOCTL, 0x95, struct timeval)
  78 #define PPSETTIME       _IOW(PP_IOCTL, 0x96, struct timeval)
  79
  80 /* Get available modes (what the hardware can do) */
  81 #define PPGETMODES      _IOR(PP_IOCTL, 0x97, unsigned int)
  82
  83 /* Get the current mode and phaze */
  84 #define PPGETMODE       _IOR(PP_IOCTL, 0x98, int)
  85 #define PPGETPHASE      _IOR(PP_IOCTL, 0x99, int)
  86
  87 /* get/set flags */
  88 #define PPGETFLAGS      _IOR(PP_IOCTL, 0x9a, int)
  89 #define PPSETFLAGS      _IOW(PP_IOCTL, 0x9b, int)
  90
  91 /* flags visible to the world */
  92 #define PP_FASTWRITE    (1<<2)
  93 #define PP_FASTREAD     (1<<3)
  94 #define PP_W91284PIC    (1<<4)
  95
  96 /* only masks user-visible flags */
  97 #define PP_FLAGMASK     (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC)
  98
  99