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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note *//* * linux/include/linux/ppdev.h * * User-space parallel port device driver (header file). * * Copyright (C) 1998-9 Tim Waugh <tim@cyberelk.demon.co.uk> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * Added PPGETTIME/PPSETTIME, Fred Barnes, 1999 * Added PPGETMODES/PPGETMODE/PPGETPHASE, Fred Barnes <frmb2@ukc.ac.uk>, 03/01/2001 */
#ifndef _UAPI_LINUX_PPDEV_H#define _UAPI_LINUX_PPDEV_H
#define PP_IOCTL 'p'
/* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */#define PPSETMODE _IOW(PP_IOCTL, 0x80, int)
/* Read status */#define PPRSTATUS _IOR(PP_IOCTL, 0x81, unsigned char)#define PPWSTATUS OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char)
/* Read/write control */#define PPRCONTROL _IOR(PP_IOCTL, 0x83, unsigned char)#define PPWCONTROL _IOW(PP_IOCTL, 0x84, unsigned char)
struct ppdev_frob_struct { unsigned char mask; unsigned char val;};#define PPFCONTROL _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct)
/* Read/write data */#define PPRDATA _IOR(PP_IOCTL, 0x85, unsigned char)#define PPWDATA _IOW(PP_IOCTL, 0x86, unsigned char)
/* Read/write econtrol (not used) */#define PPRECONTROL OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char)#define PPWECONTROL OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char)
/* Read/write FIFO (not used) */#define PPRFIFO OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char)#define PPWFIFO OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char)
/* Claim the port to start using it */#define PPCLAIM _IO(PP_IOCTL, 0x8b)
/* Release the port when you aren't using it */#define PPRELEASE _IO(PP_IOCTL, 0x8c)
/* Yield the port (release it if another driver is waiting, * then reclaim) */#define PPYIELD _IO(PP_IOCTL, 0x8d)
/* Register device exclusively (must be before PPCLAIM). */#define PPEXCL _IO(PP_IOCTL, 0x8f)
/* Data line direction: non-zero for input mode. */#define PPDATADIR _IOW(PP_IOCTL, 0x90, int)
/* Negotiate a particular IEEE 1284 mode. */#define PPNEGOT _IOW(PP_IOCTL, 0x91, int)
/* Set control lines when an interrupt occurs. */#define PPWCTLONIRQ _IOW(PP_IOCTL, 0x92, unsigned char)
/* Clear (and return) interrupt count. */#define PPCLRIRQ _IOR(PP_IOCTL, 0x93, int)
/* Set the IEEE 1284 phase that we're in (e.g. IEEE1284_PH_FWD_IDLE) */#define PPSETPHASE _IOW(PP_IOCTL, 0x94, int)
/* Set and get port timeout (struct timeval's) */#define PPGETTIME _IOR(PP_IOCTL, 0x95, struct timeval)#define PPSETTIME _IOW(PP_IOCTL, 0x96, struct timeval)
/* Get available modes (what the hardware can do) */#define PPGETMODES _IOR(PP_IOCTL, 0x97, unsigned int)
/* Get the current mode and phaze */#define PPGETMODE _IOR(PP_IOCTL, 0x98, int)#define PPGETPHASE _IOR(PP_IOCTL, 0x99, int)
/* get/set flags */#define PPGETFLAGS _IOR(PP_IOCTL, 0x9a, int)#define PPSETFLAGS _IOW(PP_IOCTL, 0x9b, int)
/* flags visible to the world */#define PP_FASTWRITE (1<<2)#define PP_FASTREAD (1<<3)#define PP_W91284PIC (1<<4)
/* only masks user-visible flags */#define PP_FLAGMASK (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC)
#endif /* _UAPI_LINUX_PPDEV_H */