diff options
Diffstat (limited to 'sys/dev/ppbus/lpt.h')
| -rw-r--r-- | sys/dev/ppbus/lpt.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/sys/dev/ppbus/lpt.h b/sys/dev/ppbus/lpt.h new file mode 100644 index 000000000000..9075b4ec6e5a --- /dev/null +++ b/sys/dev/ppbus/lpt.h @@ -0,0 +1,66 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Copyright (c) 1997, 1999 Nicolas Souchu + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Distantly from : + * @(#)lptreg.h 1.1 (Berkeley) 12/19/90 + * Id: lptreg.h,v 1.6 1997/02/22 09:36:52 peter Exp + * From Id: nlpt.h,v 1.3 1999/01/10 12:04:54 nsouch Exp + * + * $FreeBSD$ + */ + +/* + * AT Parallel Port (for lineprinter) + * Interface port and bit definitions + * Written by William Jolitz 12/18/90 + * Copyright (C) William Jolitz 1990 + */ + +#ifndef __LPT_H +#define __LPT_H + +/* machine independent definitions, it shall only depend on the ppbus + * parallel port model */ + + /* PIN */ +#define LPS_NERR 0x08 /* 15 printer no error */ +#define LPS_SEL 0x10 /* 13 printer selected */ +#define LPS_OUT 0x20 /* 12 printer out of paper */ +#define LPS_NACK 0x40 /* 10 printer no ack of data */ +#define LPS_NBSY 0x80 /* 11 printer busy */ + +#define LPC_STB 0x01 /* 1 strobe data to printer */ +#define LPC_AUTOL 0x02 /* 14 automatic linefeed */ +#define LPC_NINIT 0x04 /* 16 initialize printer */ +#define LPC_SEL 0x08 /* 17 printer selected */ +#define LPC_ENA 0x10 /* - enable IRQ */ + +#endif |