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/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* Parallel port printer driver v1.0
* All rights reserved.
*/
#ifndef _LPRREG_H_
#define _LPRREG_H_
#define DATA(addr) (addr + 0)
#define STATUS(addr) (addr + 1)
#define INTR_ENAB(addr) (addr + 2)
extern void lprintr(int unit);
int lprprobe(int port, struct bus_device *dev);
void lprstop(struct tty *tp, int flags);
void lprstart(struct tty *tp);
void lprattach(struct bus_device *dev);
extern io_return_t
lprgetstat(
dev_t dev,
int flavor,
int *data,
natural_t *count);
extern io_return_t
lprsetstat(
dev_t dev,
int flavor,
int *data,
natural_t count);
void lprpr_addr(unsigned short addr);
extern int lpropen(int dev, int flag, io_req_t ior);
extern void lprclose(int dev, int flag);
extern int lprread(int dev, io_req_t ior);
extern int lprwrite(int dev, io_req_t ior);
extern int lprportdeath(dev_t dev, mach_port_t port);
#endif /* _LPRREG_H_ */
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