| 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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| 2 | /* |
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| 3 | * linux/include/linux/ppdev.h |
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| 4 | * |
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| 5 | * User-space parallel port device driver (header file). |
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| 6 | * |
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| 7 | * Copyright (C) 1998-9 Tim Waugh <tim@cyberelk.demon.co.uk> |
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| 8 | * |
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| 9 | * This program is free software; you can redistribute it and/or |
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| 10 | * modify it under the terms of the GNU General Public License |
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| 11 | * as published by the Free Software Foundation; either version |
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| 12 | * 2 of the License, or (at your option) any later version. |
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| 13 | * |
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| 14 | * Added PPGETTIME/PPSETTIME, Fred Barnes, 1999 |
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| 15 | * Added PPGETMODES/PPGETMODE/PPGETPHASE, Fred Barnes <frmb2@ukc.ac.uk>, 03/01/2001 |
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| 16 | */ |
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| 17 | |
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| 18 | #ifndef _UAPI_LINUX_PPDEV_H |
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| 19 | #define _UAPI_LINUX_PPDEV_H |
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| 20 | |
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| 21 | #define PP_IOCTL 'p' |
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| 22 | |
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| 23 | /* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */ |
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| 24 | #define PPSETMODE _IOW(PP_IOCTL, 0x80, int) |
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| 25 | |
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| 26 | /* Read status */ |
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| 27 | #define PPRSTATUS _IOR(PP_IOCTL, 0x81, unsigned char) |
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| 28 | #define PPWSTATUS OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char) |
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| 29 | |
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| 30 | /* Read/write control */ |
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| 31 | #define PPRCONTROL _IOR(PP_IOCTL, 0x83, unsigned char) |
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| 32 | #define PPWCONTROL _IOW(PP_IOCTL, 0x84, unsigned char) |
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| 33 | |
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| 34 | struct ppdev_frob_struct { |
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| 35 | unsigned char mask; |
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| 36 | unsigned char val; |
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| 37 | }; |
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| 38 | #define PPFCONTROL _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct) |
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| 39 | |
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| 40 | /* Read/write data */ |
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| 41 | #define PPRDATA _IOR(PP_IOCTL, 0x85, unsigned char) |
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| 42 | #define PPWDATA _IOW(PP_IOCTL, 0x86, unsigned char) |
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| 43 | |
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| 44 | /* Read/write econtrol (not used) */ |
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| 45 | #define PPRECONTROL OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char) |
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| 46 | #define PPWECONTROL OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char) |
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| 47 | |
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| 48 | /* Read/write FIFO (not used) */ |
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| 49 | #define PPRFIFO OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char) |
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| 50 | #define PPWFIFO OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char) |
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| 51 | |
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| 52 | /* Claim the port to start using it */ |
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| 53 | #define PPCLAIM _IO(PP_IOCTL, 0x8b) |
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| 54 | |
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| 55 | /* Release the port when you aren't using it */ |
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| 56 | #define PPRELEASE _IO(PP_IOCTL, 0x8c) |
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| 57 | |
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| 58 | /* Yield the port (release it if another driver is waiting, |
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| 59 | * then reclaim) */ |
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| 60 | #define PPYIELD _IO(PP_IOCTL, 0x8d) |
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| 61 | |
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| 62 | /* Register device exclusively (must be before PPCLAIM). */ |
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| 63 | #define PPEXCL _IO(PP_IOCTL, 0x8f) |
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| 64 | |
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| 65 | /* Data line direction: non-zero for input mode. */ |
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| 66 | #define PPDATADIR _IOW(PP_IOCTL, 0x90, int) |
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| 67 | |
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| 68 | /* Negotiate a particular IEEE 1284 mode. */ |
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| 69 | #define PPNEGOT _IOW(PP_IOCTL, 0x91, int) |
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| 70 | |
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| 71 | /* Set control lines when an interrupt occurs. */ |
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| 72 | #define PPWCTLONIRQ _IOW(PP_IOCTL, 0x92, unsigned char) |
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| 73 | |
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| 74 | /* Clear (and return) interrupt count. */ |
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| 75 | #define PPCLRIRQ _IOR(PP_IOCTL, 0x93, int) |
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| 76 | |
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| 77 | /* Set the IEEE 1284 phase that we're in (e.g. IEEE1284_PH_FWD_IDLE) */ |
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| 78 | #define PPSETPHASE _IOW(PP_IOCTL, 0x94, int) |
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| 79 | |
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| 80 | /* Set and get port timeout (struct timeval's) */ |
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| 81 | #define PPGETTIME _IOR(PP_IOCTL, 0x95, struct timeval) |
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| 82 | #define PPSETTIME _IOW(PP_IOCTL, 0x96, struct timeval) |
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| 83 | |
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| 84 | /* Get available modes (what the hardware can do) */ |
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| 85 | #define PPGETMODES _IOR(PP_IOCTL, 0x97, unsigned int) |
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| 86 | |
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| 87 | /* Get the current mode and phaze */ |
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| 88 | #define PPGETMODE _IOR(PP_IOCTL, 0x98, int) |
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| 89 | #define PPGETPHASE _IOR(PP_IOCTL, 0x99, int) |
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| 90 | |
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| 91 | /* get/set flags */ |
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| 92 | #define PPGETFLAGS _IOR(PP_IOCTL, 0x9a, int) |
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| 93 | #define PPSETFLAGS _IOW(PP_IOCTL, 0x9b, int) |
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| 94 | |
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| 95 | /* flags visible to the world */ |
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| 96 | #define PP_FASTWRITE (1<<2) |
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| 97 | #define PP_FASTREAD (1<<3) |
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| 98 | #define PP_W91284PIC (1<<4) |
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| 99 | |
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| 100 | /* only masks user-visible flags */ |
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| 101 | #define PP_FLAGMASK (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC) |
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| 102 | |
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| 103 | #endif /* _UAPI_LINUX_PPDEV_H */ |
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| 104 | |
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