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01: /*
02:  * linux/include/linux/ppdev.h
03:  *
04:  * User-space parallel port device driver (header file).
05:  *
06:  * Copyright (C) 1998-9 Tim Waugh <tim@cyberelk.demon.co.uk>
07:  *
08:  * This program is free software; you can redistribute it and/or
09:  * 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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