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