linux/include/linux/ppdev.h
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   1/*
   2 * linux/include/linux/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
  30struct 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
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