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Edit File : ppdev.h \| Size : 3.14 KB
/* 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 / #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) Back

Edit File : ppdev.h | Size : 3.14 KB

/* 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
 */

#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)

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