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e2be04c7f9
Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be. This makes it hard for
compliance tools to determine the correct license.
Update these files with an SPDX license identifier. The identifier was
chosen based on the license information in the file.
GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:
NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.
Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier. The format
is:
((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)
SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text. The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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* linux/include/linux/ppdev.h
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*
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* User-space parallel port device driver (header file).
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*
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* Copyright (C) 1998-9 Tim Waugh <tim@cyberelk.demon.co.uk>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Added PPGETTIME/PPSETTIME, Fred Barnes, 1999
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* Added PPGETMODES/PPGETMODE/PPGETPHASE, Fred Barnes <frmb2@ukc.ac.uk>, 03/01/2001
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*/
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#define PP_IOCTL 'p'
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/* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */
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#define PPSETMODE _IOW(PP_IOCTL, 0x80, int)
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/* Read status */
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#define PPRSTATUS _IOR(PP_IOCTL, 0x81, unsigned char)
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#define PPWSTATUS OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char)
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/* Read/write control */
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#define PPRCONTROL _IOR(PP_IOCTL, 0x83, unsigned char)
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#define PPWCONTROL _IOW(PP_IOCTL, 0x84, unsigned char)
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struct ppdev_frob_struct {
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unsigned char mask;
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unsigned char val;
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};
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#define PPFCONTROL _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct)
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/* Read/write data */
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#define PPRDATA _IOR(PP_IOCTL, 0x85, unsigned char)
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#define PPWDATA _IOW(PP_IOCTL, 0x86, unsigned char)
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/* Read/write econtrol (not used) */
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#define PPRECONTROL OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char)
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#define PPWECONTROL OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char)
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/* Read/write FIFO (not used) */
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#define PPRFIFO OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char)
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#define PPWFIFO OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char)
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/* Claim the port to start using it */
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#define PPCLAIM _IO(PP_IOCTL, 0x8b)
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/* Release the port when you aren't using it */
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#define PPRELEASE _IO(PP_IOCTL, 0x8c)
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/* Yield the port (release it if another driver is waiting,
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* then reclaim) */
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#define PPYIELD _IO(PP_IOCTL, 0x8d)
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/* Register device exclusively (must be before PPCLAIM). */
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#define PPEXCL _IO(PP_IOCTL, 0x8f)
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/* Data line direction: non-zero for input mode. */
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#define PPDATADIR _IOW(PP_IOCTL, 0x90, int)
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/* Negotiate a particular IEEE 1284 mode. */
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#define PPNEGOT _IOW(PP_IOCTL, 0x91, int)
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/* Set control lines when an interrupt occurs. */
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#define PPWCTLONIRQ _IOW(PP_IOCTL, 0x92, unsigned char)
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/* Clear (and return) interrupt count. */
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#define PPCLRIRQ _IOR(PP_IOCTL, 0x93, int)
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/* Set the IEEE 1284 phase that we're in (e.g. IEEE1284_PH_FWD_IDLE) */
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#define PPSETPHASE _IOW(PP_IOCTL, 0x94, int)
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/* Set and get port timeout (struct timeval's) */
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#define PPGETTIME _IOR(PP_IOCTL, 0x95, struct timeval)
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#define PPSETTIME _IOW(PP_IOCTL, 0x96, struct timeval)
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/* Get available modes (what the hardware can do) */
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#define PPGETMODES _IOR(PP_IOCTL, 0x97, unsigned int)
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/* Get the current mode and phaze */
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#define PPGETMODE _IOR(PP_IOCTL, 0x98, int)
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#define PPGETPHASE _IOR(PP_IOCTL, 0x99, int)
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/* get/set flags */
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#define PPGETFLAGS _IOR(PP_IOCTL, 0x9a, int)
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#define PPSETFLAGS _IOW(PP_IOCTL, 0x9b, int)
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/* flags visible to the world */
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#define PP_FASTWRITE (1<<2)
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#define PP_FASTREAD (1<<3)
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#define PP_W91284PIC (1<<4)
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/* only masks user-visible flags */
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#define PP_FLAGMASK (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC)
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