| /* |
| * linux/drivers/char/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_MAJOR 99 |
| |
| #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) |
| |
| |