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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 | |
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 | |
100 |
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