projects/linux·blob v2.6.17-rc5 · refs

99 lines · 3.1 KiB

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 <[email protected]>
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 <[email protected]>, 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