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e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
1da177e4 | 2 | /* |
f30c2269 | 3 | * linux/include/linux/ppdev.h |
1da177e4 LT |
4 | * |
5 | * User-space parallel port device driver (header file). | |
6 | * | |
7 | * Copyright (C) 1998-9 Tim Waugh <tim@cyberelk.demon.co.uk> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; either version | |
12 | * 2 of the License, or (at your option) any later version. | |
13 | * | |
14 | * Added PPGETTIME/PPSETTIME, Fred Barnes, 1999 | |
15 | * Added PPGETMODES/PPGETMODE/PPGETPHASE, Fred Barnes <frmb2@ukc.ac.uk>, 03/01/2001 | |
16 | */ | |
17 | ||
1da177e4 LT |
18 | #define PP_IOCTL 'p' |
19 | ||
20 | /* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */ | |
21 | #define PPSETMODE _IOW(PP_IOCTL, 0x80, int) | |
22 | ||
23 | /* Read status */ | |
24 | #define PPRSTATUS _IOR(PP_IOCTL, 0x81, unsigned char) | |
25 | #define PPWSTATUS OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char) | |
26 | ||
27 | /* Read/write control */ | |
28 | #define PPRCONTROL _IOR(PP_IOCTL, 0x83, unsigned char) | |
29 | #define PPWCONTROL _IOW(PP_IOCTL, 0x84, unsigned char) | |
30 | ||
31 | struct ppdev_frob_struct { | |
32 | unsigned char mask; | |
33 | unsigned char val; | |
34 | }; | |
35 | #define PPFCONTROL _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct) | |
36 | ||
37 | /* Read/write data */ | |
38 | #define PPRDATA _IOR(PP_IOCTL, 0x85, unsigned char) | |
39 | #define PPWDATA _IOW(PP_IOCTL, 0x86, unsigned char) | |
40 | ||
41 | /* Read/write econtrol (not used) */ | |
42 | #define PPRECONTROL OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char) | |
43 | #define PPWECONTROL OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char) | |
44 | ||
45 | /* Read/write FIFO (not used) */ | |
46 | #define PPRFIFO OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char) | |
47 | #define PPWFIFO OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char) | |
48 | ||
49 | /* Claim the port to start using it */ | |
50 | #define PPCLAIM _IO(PP_IOCTL, 0x8b) | |
51 | ||
52 | /* Release the port when you aren't using it */ | |
53 | #define PPRELEASE _IO(PP_IOCTL, 0x8c) | |
54 | ||
55 | /* Yield the port (release it if another driver is waiting, | |
56 | * then reclaim) */ | |
57 | #define PPYIELD _IO(PP_IOCTL, 0x8d) | |
58 | ||
59 | /* Register device exclusively (must be before PPCLAIM). */ | |
60 | #define PPEXCL _IO(PP_IOCTL, 0x8f) | |
61 | ||
62 | /* Data line direction: non-zero for input mode. */ | |
63 | #define PPDATADIR _IOW(PP_IOCTL, 0x90, int) | |
64 | ||
65 | /* Negotiate a particular IEEE 1284 mode. */ | |
66 | #define PPNEGOT _IOW(PP_IOCTL, 0x91, int) | |
67 | ||
68 | /* Set control lines when an interrupt occurs. */ | |
69 | #define PPWCTLONIRQ _IOW(PP_IOCTL, 0x92, unsigned char) | |
70 | ||
71 | /* Clear (and return) interrupt count. */ | |
72 | #define PPCLRIRQ _IOR(PP_IOCTL, 0x93, int) | |
73 | ||
74 | /* Set the IEEE 1284 phase that we're in (e.g. IEEE1284_PH_FWD_IDLE) */ | |
75 | #define PPSETPHASE _IOW(PP_IOCTL, 0x94, int) | |
76 | ||
77 | /* Set and get port timeout (struct timeval's) */ | |
78 | #define PPGETTIME _IOR(PP_IOCTL, 0x95, struct timeval) | |
79 | #define PPSETTIME _IOW(PP_IOCTL, 0x96, struct timeval) | |
80 | ||
81 | /* Get available modes (what the hardware can do) */ | |
82 | #define PPGETMODES _IOR(PP_IOCTL, 0x97, unsigned int) | |
83 | ||
84 | /* Get the current mode and phaze */ | |
85 | #define PPGETMODE _IOR(PP_IOCTL, 0x98, int) | |
86 | #define PPGETPHASE _IOR(PP_IOCTL, 0x99, int) | |
87 | ||
88 | /* get/set flags */ | |
89 | #define PPGETFLAGS _IOR(PP_IOCTL, 0x9a, int) | |
90 | #define PPSETFLAGS _IOW(PP_IOCTL, 0x9b, int) | |
91 | ||
92 | /* flags visible to the world */ | |
93 | #define PP_FASTWRITE (1<<2) | |
94 | #define PP_FASTREAD (1<<3) | |
95 | #define PP_W91284PIC (1<<4) | |
96 | ||
97 | /* only masks user-visible flags */ | |
98 | #define PP_FLAGMASK (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC) | |
99 | ||
100 |