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1.1 root 1: /*
2: * Mach Operating System
3: * Copyright (c) 1991,1990 Carnegie Mellon University
4: * All Rights Reserved.
5: *
6: * Permission to use, copy, modify and distribute this software and its
7: * documentation is hereby granted, provided that both the copyright
8: * notice and this permission notice appear in all copies of the
9: * software, derivative works or modified versions, and any portions
10: * thereof, and that both notices appear in supporting documentation.
11: *
12: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15: *
16: * Carnegie Mellon requests users of this software to return to
17: *
18: * Software Distribution Coordinator or [email protected]
19: * School of Computer Science
20: * Carnegie Mellon University
21: * Pittsburgh PA 15213-3890
22: *
23: * any improvements or extensions that they make and grant Carnegie Mellon
24: * the rights to redistribute these changes.
25: */
26: /*
27: * Parallel port printer driver v1.0
28: * All rights reserved.
29: */
30:
31: #ifndef _LPRREG_H_
32: #define _LPRREG_H_
33:
34: #define DATA(addr) (addr + 0)
35: #define STATUS(addr) (addr + 1)
36: #define INTR_ENAB(addr) (addr + 2)
37:
38: extern void lprintr(int unit);
39: int lprprobe(vm_offset_t port, struct bus_ctlr *dev);
40: void lprstop(struct tty *tp, int flags);
41: void lprstart(struct tty *tp);
42: void lprattach(struct bus_device *dev);
43:
44: extern io_return_t
45: lprgetstat(
46: dev_t dev,
47: int flavor,
48: int *data,
49: natural_t *count);
50:
51: extern io_return_t
52: lprsetstat(
53: dev_t dev,
54: int flavor,
55: int *data,
56: natural_t count);
57:
58: void lprpr_addr(unsigned short addr);
59:
60: extern int lpropen(dev_t dev, int flag, io_req_t ior);
61: extern void lprclose(dev_t dev, int flag);
62: extern int lprread(dev_t dev, io_req_t ior);
63: extern int lprwrite(dev_t dev, io_req_t ior);
64: extern int lprportdeath(dev_t dev, mach_port_t port);
65:
66: #endif /* _LPRREG_H_ */
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