Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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_MAJOR 99
18
19#define PP_IOCTL 'p'
20
21/* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */
22#define PPSETMODE _IOW(PP_IOCTL, 0x80, int)
23
24/* Read status */
25#define PPRSTATUS _IOR(PP_IOCTL, 0x81, unsigned char)
26#define PPWSTATUS OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char)
27
28/* Read/write control */
29#define PPRCONTROL _IOR(PP_IOCTL, 0x83, unsigned char)
30#define PPWCONTROL _IOW(PP_IOCTL, 0x84, unsigned char)
31
32struct ppdev_frob_struct {
33 unsigned char mask;
34 unsigned char val;
35};
36#define PPFCONTROL _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct)
37
38/* Read/write data */
39#define PPRDATA _IOR(PP_IOCTL, 0x85, unsigned char)
40#define PPWDATA _IOW(PP_IOCTL, 0x86, unsigned char)
41
42/* Read/write econtrol (not used) */
43#define PPRECONTROL OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char)
44#define PPWECONTROL OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char)
45
46/* Read/write FIFO (not used) */
47#define PPRFIFO OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char)
48#define PPWFIFO OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char)
49
50/* Claim the port to start using it */
51#define PPCLAIM _IO(PP_IOCTL, 0x8b)
52
53/* Release the port when you aren't using it */
54#define PPRELEASE _IO(PP_IOCTL, 0x8c)
55
56/* Yield the port (release it if another driver is waiting,
57 * then reclaim) */
58#define PPYIELD _IO(PP_IOCTL, 0x8d)
59
60/* Register device exclusively (must be before PPCLAIM). */
61#define PPEXCL _IO(PP_IOCTL, 0x8f)
62
63/* Data line direction: non-zero for input mode. */
64#define PPDATADIR _IOW(PP_IOCTL, 0x90, int)
65
66/* Negotiate a particular IEEE 1284 mode. */
67#define PPNEGOT _IOW(PP_IOCTL, 0x91, int)
68
69/* Set control lines when an interrupt occurs. */
70#define PPWCTLONIRQ _IOW(PP_IOCTL, 0x92, unsigned char)
71
72/* Clear (and return) interrupt count. */
73#define PPCLRIRQ _IOR(PP_IOCTL, 0x93, int)
74
75/* Set the IEEE 1284 phase that we're in (e.g. IEEE1284_PH_FWD_IDLE) */
76#define PPSETPHASE _IOW(PP_IOCTL, 0x94, int)
77
78/* Set and get port timeout (struct timeval's) */
79#define PPGETTIME _IOR(PP_IOCTL, 0x95, struct timeval)
80#define PPSETTIME _IOW(PP_IOCTL, 0x96, struct timeval)
81
82/* Get available modes (what the hardware can do) */
83#define PPGETMODES _IOR(PP_IOCTL, 0x97, unsigned int)
84
85/* Get the current mode and phaze */
86#define PPGETMODE _IOR(PP_IOCTL, 0x98, int)
87#define PPGETPHASE _IOR(PP_IOCTL, 0x99, int)
88
89/* get/set flags */
90#define PPGETFLAGS _IOR(PP_IOCTL, 0x9a, int)
91#define PPSETFLAGS _IOW(PP_IOCTL, 0x9b, int)
92
93/* flags visible to the world */
94#define PP_FASTWRITE (1<<2)
95#define PP_FASTREAD (1<<3)
96#define PP_W91284PIC (1<<4)
97
98/* only masks user-visible flags */
99#define PP_FLAGMASK (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC)
100
101