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/*-
* Copyright (c) 1997 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
*
* $Id$
*/
#ifndef __NLPT_H
#define __NLPT_H
#define LPS_NERR 0x08 /* printer no error */
#define LPS_SEL 0x10 /* printer selected */
#define LPS_OUT 0x20 /* printer out of paper */
#define LPS_NACK 0x40 /* printer no ack of data */
#define LPS_NBSY 0x80 /* printer no ack of data */
#define LPC_STB 0x01 /* strobe data to printer */
#define LPC_AUTOL 0x02 /* automatic linefeed */
#define LPC_NINIT 0x04 /* initialize printer */
#define LPC_SEL 0x08 /* printer selected */
#define LPC_ENA 0x10 /* enable IRQ */
struct lpt_data {
unsigned short lpt_unit;
struct ppb_device lpt_dev;
short sc_state;
/* default case: negative prime, negative ack, handshake strobe,
prime once */
u_char sc_control;
char sc_flags;
#define LP_POS_INIT 0x04 /* if we are a postive init signal */
#define LP_POS_ACK 0x08 /* if we are a positive going ack */
#define LP_NO_PRIME 0x10 /* don't prime the printer at all */
#define LP_PRIMEOPEN 0x20 /* prime on every open */
#define LP_AUTOLF 0x40 /* tell printer to do an automatic lf */
#define LP_BYPASS 0x80 /* bypass printer ready checks */
struct buf *sc_inbuf;
short sc_xfercnt ;
char sc_primed;
char *sc_cp ;
u_char sc_irq ; /* IRQ status of port */
#define LP_HAS_IRQ 0x01 /* we have an irq available */
#define LP_USE_IRQ 0x02 /* we are using our irq */
#define LP_ENABLE_IRQ 0x04 /* enable IRQ on open */
u_char sc_backoff ; /* time to call lptout() again */
};
#endif
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