110 lines
4.2 KiB
C
110 lines
4.2 KiB
C
/* $NetBSD: lptvar.h,v 1.9 2007/03/08 14:45:07 he Exp $ */
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/*-
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* Copyright (c) 2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Gary Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __DEV_PPBUS_LPTVAR_H
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#define __DEV_PPBUS_LPTVAR_H
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#include <machine/vmparam.h>
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#include <dev/ppbus/ppbus_device.h>
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/* #define LPINITRDY 4 wait up to 4 seconds for a ready
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#define BUFSTATSIZE 32
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#define LPTOUTINITIAL 10 initial timeout to wait for ready 1/10 s
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#define LPTOUTMAX 1 maximal timeout 1 s */
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#define LPPRI (PZERO+8)
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#define BUFSIZE PAGE_SIZE
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#define LPTUNIT(s) (minor(s) & 0xff)
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#define LPTCTL(s) (minor(s) & 0x100)
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/* Wait up to 16 seconds for a ready */
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#define LPT_TIMEOUT ((hz)*16)
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#define LPT_STEP ((hz)/4)
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struct lpt_softc {
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struct ppbus_device_softc ppbus_dev;
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int sc_state;
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/* bits for state */
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#define OPEN (unsigned)(1<<0) /* device is open */
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#define ASLP (unsigned)(1<<1) /* awaiting draining of printer */
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#define EERROR (unsigned)(1<<2) /* error was received from printer */
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#define OBUSY (unsigned)(1<<3) /* printer is busy doing output */
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#define LPTOUT (unsigned)(1<<4) /* timeout while not selected */
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#define TOUT (unsigned)(1<<5) /* timeout while not selected */
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#define LPTINIT (unsigned)(1<<6) /* waiting to initialize for open */
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#define INTERRUPTED (unsigned)(1<<7) /* write call was interrupted */
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#define HAVEBUS (unsigned)(1<<8) /* the driver owns the bus */
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int sc_flags; /* flags from lptio.h */
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void *sc_inbuf;
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void *sc_outbuf;
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bus_addr_t sc_in_baddr;
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bus_addr_t sc_out_baddr;
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};
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#define MAX_SLEEP (hz*5) /* Timeout while waiting for device ready */
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#define MAX_SPIN 20 /* Max delay for device ready in usecs */
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#ifdef LPT_DEBUG
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static volatile int lptdebug = 1;
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#ifndef LPT_DPRINTF
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#define LPT_DPRINTF(arg) if(lptdebug) printf arg
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#else
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#define LPT_DPRINTF(arg) if(lptdebug) printf("WARNING: LPT_DPRINTF " \
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"REDEFINED!!!")
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#endif /* LPT_DPRINTF */
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#else
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#define LPT_DPRINTF(arg)
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#endif /* LPT_DEBUG */
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#ifdef LPT_VERBOSE
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static volatile int lptverbose = 1;
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#ifndef LPT_VPRINTF
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#define LPT_VPRINTF(arg) if(lptverbose) printf arg
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#else
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#define LPT_VPRINTF(arg) if(lptverbose) printf("WARNING: LPT_VPRINTF " \
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"REDEFINED!!!")
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#endif /* LPT_VPRINTF */
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#else
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#define LPT_VPRINTF(arg)
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#endif /* LPT_VERBOSE */
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#endif /* __DEV_PPBUS_LPTVAR_H */
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