| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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@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@ukc.ac.uk>, 03/01/2001 |
| 15 | */ |
| 16 | |
| 17 | #define PP_MAJOR 99 |
| 18 | |
| 19 | #define PP_IOCTL 'p' |
| 20 | |
| 21 | /* Set mode for read/write (e.g. IEEE1284_MODE_EPP) */ |
| 22 | #define PPSETMODE _IOW(PP_IOCTL, 0x80, int) |
| 23 | |
| 24 | /* Read status */ |
| 25 | #define PPRSTATUS _IOR(PP_IOCTL, 0x81, unsigned char) |
| 26 | #define PPWSTATUS OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char) |
| 27 | |
| 28 | /* Read/write control */ |
| 29 | #define PPRCONTROL _IOR(PP_IOCTL, 0x83, unsigned char) |
| 30 | #define PPWCONTROL _IOW(PP_IOCTL, 0x84, unsigned char) |
| 31 | |
| 32 | struct ppdev_frob_struct { |
| 33 | unsigned char mask; |
| 34 | unsigned char val; |
| 35 | }; |
| 36 | #define PPFCONTROL _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct) |
| 37 | |
| 38 | /* Read/write data */ |
| 39 | #define PPRDATA _IOR(PP_IOCTL, 0x85, unsigned char) |
| 40 | #define PPWDATA _IOW(PP_IOCTL, 0x86, unsigned char) |
| 41 | |
| 42 | /* Read/write econtrol (not used) */ |
| 43 | #define PPRECONTROL OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char) |
| 44 | #define PPWECONTROL OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char) |
| 45 | |
| 46 | /* Read/write FIFO (not used) */ |
| 47 | #define PPRFIFO OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char) |
| 48 | #define PPWFIFO OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char) |
| 49 | |
| 50 | /* Claim the port to start using it */ |
| 51 | #define PPCLAIM _IO(PP_IOCTL, 0x8b) |
| 52 | |
| 53 | /* Release the port when you aren't using it */ |
| 54 | #define PPRELEASE _IO(PP_IOCTL, 0x8c) |
| 55 | |
| 56 | /* Yield the port (release it if another driver is waiting, |
| 57 | * then reclaim) */ |
| 58 | #define PPYIELD _IO(PP_IOCTL, 0x8d) |
| 59 | |
| 60 | /* Register device exclusively (must be before PPCLAIM). */ |
| 61 | #define PPEXCL _IO(PP_IOCTL, 0x8f) |
| 62 | |
| 63 | /* Data line direction: non-zero for input mode. */ |
| 64 | #define PPDATADIR _IOW(PP_IOCTL, 0x90, int) |
| 65 | |
| 66 | /* Negotiate a particular IEEE 1284 mode. */ |
| 67 | #define PPNEGOT _IOW(PP_IOCTL, 0x91, int) |
| 68 | |
| 69 | /* Set control lines when an interrupt occurs. */ |
| 70 | #define PPWCTLONIRQ _IOW(PP_IOCTL, 0x92, unsigned char) |
| 71 | |
| 72 | /* Clear (and return) interrupt count. */ |
| 73 | #define PPCLRIRQ _IOR(PP_IOCTL, 0x93, int) |
| 74 | |
| 75 | /* Set the IEEE 1284 phase that we're in (e.g. IEEE1284_PH_FWD_IDLE) */ |
| 76 | #define PPSETPHASE _IOW(PP_IOCTL, 0x94, int) |
| 77 | |
| 78 | /* Set and get port timeout (struct timeval's) */ |
| 79 | #define PPGETTIME _IOR(PP_IOCTL, 0x95, struct timeval) |
| 80 | #define PPSETTIME _IOW(PP_IOCTL, 0x96, struct timeval) |
| 81 | |
| 82 | /* Get available modes (what the hardware can do) */ |
| 83 | #define PPGETMODES _IOR(PP_IOCTL, 0x97, unsigned int) |
| 84 | |
| 85 | /* Get the current mode and phaze */ |
| 86 | #define PPGETMODE _IOR(PP_IOCTL, 0x98, int) |
| 87 | #define PPGETPHASE _IOR(PP_IOCTL, 0x99, int) |
| 88 | |
| 89 | /* get/set flags */ |
| 90 | #define PPGETFLAGS _IOR(PP_IOCTL, 0x9a, int) |
| 91 | #define PPSETFLAGS _IOW(PP_IOCTL, 0x9b, int) |
| 92 | |
| 93 | /* flags visible to the world */ |
| 94 | #define PP_FASTWRITE (1<<2) |
| 95 | #define PP_FASTREAD (1<<3) |
| 96 | #define PP_W91284PIC (1<<4) |
| 97 | |
| 98 | /* only masks user-visible flags */ |
| 99 | #define PP_FLAGMASK (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC) |
| 100 | |
| 101 | |