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https://github.com/VK3FNG/soundmodem.git
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75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
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* linux/drivers/char/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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*/
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#define PP_MAJOR 99
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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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