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Rev | Author | Line No. | Line |
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422 | giacomo | 1 | /* |
2 | * linux/drivers/char/ppdev.h |
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3 | * |
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4 | * User-space parallel port device driver (header file). |
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5 | * |
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6 | * Copyright (C) 1998-9 Tim Waugh <tim@cyberelk.demon.co.uk> |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version |
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11 | * 2 of the License, or (at your option) any later version. |
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12 | * |
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13 | * Added PPGETTIME/PPSETTIME, Fred Barnes, 1999 |
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14 | * Added PPGETMODES/PPGETMODE/PPGETPHASE, Fred Barnes <frmb2@ukc.ac.uk>, 03/01/2001 |
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15 | */ |
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16 | |||
17 | #define PP_MAJOR 99 |
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18 | |||
19 | #define PP_IOCTL 'p' |
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20 | |||
21 | /* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */ |
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22 | #define PPSETMODE _IOW(PP_IOCTL, 0x80, int) |
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23 | |||
24 | /* Read status */ |
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25 | #define PPRSTATUS _IOR(PP_IOCTL, 0x81, unsigned char) |
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26 | #define PPWSTATUS OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char) |
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27 | |||
28 | /* Read/write control */ |
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29 | #define PPRCONTROL _IOR(PP_IOCTL, 0x83, unsigned char) |
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30 | #define PPWCONTROL _IOW(PP_IOCTL, 0x84, unsigned char) |
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31 | |||
32 | struct ppdev_frob_struct { |
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33 | unsigned char mask; |
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34 | unsigned char val; |
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35 | }; |
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36 | #define PPFCONTROL _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct) |
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37 | |||
38 | /* Read/write data */ |
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39 | #define PPRDATA _IOR(PP_IOCTL, 0x85, unsigned char) |
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40 | #define PPWDATA _IOW(PP_IOCTL, 0x86, unsigned char) |
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41 | |||
42 | /* Read/write econtrol (not used) */ |
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43 | #define PPRECONTROL OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char) |
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44 | #define PPWECONTROL OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char) |
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45 | |||
46 | /* Read/write FIFO (not used) */ |
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47 | #define PPRFIFO OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char) |
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48 | #define PPWFIFO OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char) |
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49 | |||
50 | /* Claim the port to start using it */ |
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51 | #define PPCLAIM _IO(PP_IOCTL, 0x8b) |
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52 | |||
53 | /* Release the port when you aren't using it */ |
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54 | #define PPRELEASE _IO(PP_IOCTL, 0x8c) |
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55 | |||
56 | /* Yield the port (release it if another driver is waiting, |
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57 | * then reclaim) */ |
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58 | #define PPYIELD _IO(PP_IOCTL, 0x8d) |
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59 | |||
60 | /* Register device exclusively (must be before PPCLAIM). */ |
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61 | #define PPEXCL _IO(PP_IOCTL, 0x8f) |
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62 | |||
63 | /* Data line direction: non-zero for input mode. */ |
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64 | #define PPDATADIR _IOW(PP_IOCTL, 0x90, int) |
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65 | |||
66 | /* Negotiate a particular IEEE 1284 mode. */ |
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67 | #define PPNEGOT _IOW(PP_IOCTL, 0x91, int) |
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68 | |||
69 | /* Set control lines when an interrupt occurs. */ |
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70 | #define PPWCTLONIRQ _IOW(PP_IOCTL, 0x92, unsigned char) |
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71 | |||
72 | /* Clear (and return) interrupt count. */ |
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73 | #define PPCLRIRQ _IOR(PP_IOCTL, 0x93, int) |
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74 | |||
75 | /* Set the IEEE 1284 phase that we're in (e.g. IEEE1284_PH_FWD_IDLE) */ |
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76 | #define PPSETPHASE _IOW(PP_IOCTL, 0x94, int) |
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77 | |||
78 | /* Set and get port timeout (struct timeval's) */ |
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79 | #define PPGETTIME _IOR(PP_IOCTL, 0x95, struct timeval) |
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80 | #define PPSETTIME _IOW(PP_IOCTL, 0x96, struct timeval) |
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81 | |||
82 | /* Get available modes (what the hardware can do) */ |
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83 | #define PPGETMODES _IOR(PP_IOCTL, 0x97, unsigned int) |
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84 | |||
85 | /* Get the current mode and phaze */ |
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86 | #define PPGETMODE _IOR(PP_IOCTL, 0x98, int) |
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87 | #define PPGETPHASE _IOR(PP_IOCTL, 0x99, int) |
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88 | |||
89 | /* get/set flags */ |
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90 | #define PPGETFLAGS _IOR(PP_IOCTL, 0x9a, int) |
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91 | #define PPSETFLAGS _IOW(PP_IOCTL, 0x9b, int) |
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92 | |||
93 | /* flags visible to the world */ |
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94 | #define PP_FASTWRITE (1<<2) |
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95 | #define PP_FASTREAD (1<<3) |
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96 | #define PP_W91284PIC (1<<4) |
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97 | |||
98 | /* only masks user-visible flags */ |
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99 | #define PP_FLAGMASK (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC) |
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100 | |||
101 |