1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * linux/include/linux/ppdev.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * User-space parallel port device driver (header file). 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright (C) 1998-9 Tim Waugh <tim@cyberelk.demon.co.uk> 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or 10*4882a593Smuzhiyun * modify it under the terms of the GNU General Public License 11*4882a593Smuzhiyun * as published by the Free Software Foundation; either version 12*4882a593Smuzhiyun * 2 of the License, or (at your option) any later version. 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun * Added PPGETTIME/PPSETTIME, Fred Barnes, 1999 15*4882a593Smuzhiyun * Added PPGETMODES/PPGETMODE/PPGETPHASE, Fred Barnes <frmb2@ukc.ac.uk>, 03/01/2001 16*4882a593Smuzhiyun */ 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #ifndef _UAPI_LINUX_PPDEV_H 19*4882a593Smuzhiyun #define _UAPI_LINUX_PPDEV_H 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define PP_IOCTL 'p' 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */ 24*4882a593Smuzhiyun #define PPSETMODE _IOW(PP_IOCTL, 0x80, int) 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* Read status */ 27*4882a593Smuzhiyun #define PPRSTATUS _IOR(PP_IOCTL, 0x81, unsigned char) 28*4882a593Smuzhiyun #define PPWSTATUS OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char) 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun /* Read/write control */ 31*4882a593Smuzhiyun #define PPRCONTROL _IOR(PP_IOCTL, 0x83, unsigned char) 32*4882a593Smuzhiyun #define PPWCONTROL _IOW(PP_IOCTL, 0x84, unsigned char) 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun struct ppdev_frob_struct { 35*4882a593Smuzhiyun unsigned char mask; 36*4882a593Smuzhiyun unsigned char val; 37*4882a593Smuzhiyun }; 38*4882a593Smuzhiyun #define PPFCONTROL _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct) 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* Read/write data */ 41*4882a593Smuzhiyun #define PPRDATA _IOR(PP_IOCTL, 0x85, unsigned char) 42*4882a593Smuzhiyun #define PPWDATA _IOW(PP_IOCTL, 0x86, unsigned char) 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun /* Read/write econtrol (not used) */ 45*4882a593Smuzhiyun #define PPRECONTROL OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char) 46*4882a593Smuzhiyun #define PPWECONTROL OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char) 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun /* Read/write FIFO (not used) */ 49*4882a593Smuzhiyun #define PPRFIFO OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char) 50*4882a593Smuzhiyun #define PPWFIFO OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char) 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun /* Claim the port to start using it */ 53*4882a593Smuzhiyun #define PPCLAIM _IO(PP_IOCTL, 0x8b) 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun /* Release the port when you aren't using it */ 56*4882a593Smuzhiyun #define PPRELEASE _IO(PP_IOCTL, 0x8c) 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun /* Yield the port (release it if another driver is waiting, 59*4882a593Smuzhiyun * then reclaim) */ 60*4882a593Smuzhiyun #define PPYIELD _IO(PP_IOCTL, 0x8d) 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* Register device exclusively (must be before PPCLAIM). */ 63*4882a593Smuzhiyun #define PPEXCL _IO(PP_IOCTL, 0x8f) 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun /* Data line direction: non-zero for input mode. */ 66*4882a593Smuzhiyun #define PPDATADIR _IOW(PP_IOCTL, 0x90, int) 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun /* Negotiate a particular IEEE 1284 mode. */ 69*4882a593Smuzhiyun #define PPNEGOT _IOW(PP_IOCTL, 0x91, int) 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun /* Set control lines when an interrupt occurs. */ 72*4882a593Smuzhiyun #define PPWCTLONIRQ _IOW(PP_IOCTL, 0x92, unsigned char) 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun /* Clear (and return) interrupt count. */ 75*4882a593Smuzhiyun #define PPCLRIRQ _IOR(PP_IOCTL, 0x93, int) 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun /* Set the IEEE 1284 phase that we're in (e.g. IEEE1284_PH_FWD_IDLE) */ 78*4882a593Smuzhiyun #define PPSETPHASE _IOW(PP_IOCTL, 0x94, int) 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun /* Set and get port timeout (struct timeval's) */ 81*4882a593Smuzhiyun #define PPGETTIME _IOR(PP_IOCTL, 0x95, struct timeval) 82*4882a593Smuzhiyun #define PPSETTIME _IOW(PP_IOCTL, 0x96, struct timeval) 83*4882a593Smuzhiyun 84*4882a593Smuzhiyun /* Get available modes (what the hardware can do) */ 85*4882a593Smuzhiyun #define PPGETMODES _IOR(PP_IOCTL, 0x97, unsigned int) 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun /* Get the current mode and phaze */ 88*4882a593Smuzhiyun #define PPGETMODE _IOR(PP_IOCTL, 0x98, int) 89*4882a593Smuzhiyun #define PPGETPHASE _IOR(PP_IOCTL, 0x99, int) 90*4882a593Smuzhiyun 91*4882a593Smuzhiyun /* get/set flags */ 92*4882a593Smuzhiyun #define PPGETFLAGS _IOR(PP_IOCTL, 0x9a, int) 93*4882a593Smuzhiyun #define PPSETFLAGS _IOW(PP_IOCTL, 0x9b, int) 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun /* flags visible to the world */ 96*4882a593Smuzhiyun #define PP_FASTWRITE (1<<2) 97*4882a593Smuzhiyun #define PP_FASTREAD (1<<3) 98*4882a593Smuzhiyun #define PP_W91284PIC (1<<4) 99*4882a593Smuzhiyun 100*4882a593Smuzhiyun /* only masks user-visible flags */ 101*4882a593Smuzhiyun #define PP_FLAGMASK (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC) 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun #endif /* _UAPI_LINUX_PPDEV_H */ 104