FreeBSD/Linux Kernel Cross Reference
sys/dev/ppbus/lptvar.h
1 /* $NetBSD: lptvar.h,v 1.6 2004/02/03 21:15:03 jdolecek Exp $ */
2
3 /*-
4 * Copyright (c) 2004 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Gary Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #ifndef __DEV_PPBUS_LPTVAR_H
40 #define __DEV_PPBUS_LPTVAR_H
41
42 #include <machine/vmparam.h>
43 #include <dev/ppbus/ppbus_device.h>
44
45 /* #define LPINITRDY 4 wait up to 4 seconds for a ready
46 #define BUFSTATSIZE 32
47 #define LPTOUTINITIAL 10 initial timeout to wait for ready 1/10 s
48 #define LPTOUTMAX 1 maximal timeout 1 s */
49 #define LPPRI (PZERO+8)
50 #define BUFSIZE PAGE_SIZE
51
52 #define LPTUNIT(s) (minor(s) & 0xff)
53 #define LPTCTL(s) (minor(s) & 0x100)
54
55 /* Wait up to 16 seconds for a ready */
56 #define LPT_TIMEOUT ((hz)*16)
57 #define LPT_STEP ((hz)/4)
58
59 struct lpt_softc {
60 struct ppbus_device_softc ppbus_dev;
61
62 int sc_state;
63 /* bits for state */
64 #define OPEN (unsigned)(1<<0) /* device is open */
65 #define ASLP (unsigned)(1<<1) /* awaiting draining of printer */
66 #define EERROR (unsigned)(1<<2) /* error was received from printer */
67 #define OBUSY (unsigned)(1<<3) /* printer is busy doing output */
68 #define LPTOUT (unsigned)(1<<4) /* timeout while not selected */
69 #define TOUT (unsigned)(1<<5) /* timeout while not selected */
70 #define LPTINIT (unsigned)(1<<6) /* waiting to initialize for open */
71 #define INTERRUPTED (unsigned)(1<<7) /* write call was interrupted */
72 #define HAVEBUS (unsigned)(1<<8) /* the driver owns the bus */
73
74 int sc_flags; /* flags from lptio.h */
75
76 char *sc_inbuf;
77 char *sc_outbuf;
78 bus_addr_t sc_in_baddr;
79 bus_addr_t sc_out_baddr;
80 };
81
82 #define MAX_SLEEP (hz*5) /* Timeout while waiting for device ready */
83 #define MAX_SPIN 20 /* Max delay for device ready in usecs */
84
85 #ifdef LPT_DEBUG
86 static volatile int lptdebug = 1;
87 #ifndef LPT_DPRINTF
88 #define LPT_DPRINTF(arg) if(lptdebug) printf arg
89 #else
90 #define LPT_DPRINTF(arg) if(lptdebug) printf("WARNING: LPT_DPRINTF " \
91 "REDEFINED!!!")
92 #endif /* LPT_DPRINTF */
93 #else
94 #define LPT_DPRINTF(arg)
95 #endif /* LPT_DEBUG */
96
97 #ifdef LPT_VERBOSE
98 static volatile int lptverbose = 1;
99 #ifndef LPT_VPRINTF
100 #define LPT_VPRINTF(arg) if(lptverbose) printf arg
101 #else
102 #define LPT_VPRINTF(arg) if(lptverbose) printf("WARNING: LPT_VPRINTF " \
103 "REDEFINED!!!")
104 #endif /* LPT_VPRINTF */
105 #else
106 #define LPT_VPRINTF(arg)
107 #endif /* LPT_VERBOSE */
108
109 #endif /* __DEV_PPBUS_LPTVAR_H */
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