103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/* $NetBSD: lptvar.h,v 1.10 2008/04/28 20:23:56 martin Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2004 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Gary Thorpe.
|
|
*
|
|
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
#ifndef __DEV_PPBUS_LPTVAR_H
|
|
#define __DEV_PPBUS_LPTVAR_H
|
|
|
|
#include <machine/vmparam.h>
|
|
#include <dev/ppbus/ppbus_device.h>
|
|
|
|
/* #define LPINITRDY 4 wait up to 4 seconds for a ready
|
|
#define BUFSTATSIZE 32
|
|
#define LPTOUTINITIAL 10 initial timeout to wait for ready 1/10 s
|
|
#define LPTOUTMAX 1 maximal timeout 1 s */
|
|
#define LPPRI (PZERO+8)
|
|
#define BUFSIZE PAGE_SIZE
|
|
|
|
#define LPTUNIT(s) (minor(s) & 0xff)
|
|
#define LPTCTL(s) (minor(s) & 0x100)
|
|
|
|
/* Wait up to 16 seconds for a ready */
|
|
#define LPT_TIMEOUT ((hz)*16)
|
|
#define LPT_STEP ((hz)/4)
|
|
|
|
struct lpt_softc {
|
|
struct ppbus_device_softc ppbus_dev;
|
|
|
|
int sc_state;
|
|
/* bits for state */
|
|
#define OPEN (unsigned)(1<<0) /* device is open */
|
|
#define ASLP (unsigned)(1<<1) /* awaiting draining of printer */
|
|
#define EERROR (unsigned)(1<<2) /* error was received from printer */
|
|
#define OBUSY (unsigned)(1<<3) /* printer is busy doing output */
|
|
#define LPTOUT (unsigned)(1<<4) /* timeout while not selected */
|
|
#define TOUT (unsigned)(1<<5) /* timeout while not selected */
|
|
#define LPTINIT (unsigned)(1<<6) /* waiting to initialize for open */
|
|
#define INTERRUPTED (unsigned)(1<<7) /* write call was interrupted */
|
|
#define HAVEBUS (unsigned)(1<<8) /* the driver owns the bus */
|
|
|
|
int sc_flags; /* flags from lptio.h */
|
|
|
|
void *sc_inbuf;
|
|
void *sc_outbuf;
|
|
bus_addr_t sc_in_baddr;
|
|
bus_addr_t sc_out_baddr;
|
|
};
|
|
|
|
#define MAX_SLEEP (hz*5) /* Timeout while waiting for device ready */
|
|
#define MAX_SPIN 20 /* Max delay for device ready in usecs */
|
|
|
|
#ifdef LPT_DEBUG
|
|
static volatile int lptdebug = 1;
|
|
#ifndef LPT_DPRINTF
|
|
#define LPT_DPRINTF(arg) if(lptdebug) printf arg
|
|
#else
|
|
#define LPT_DPRINTF(arg) if(lptdebug) printf("WARNING: LPT_DPRINTF " \
|
|
"REDEFINED!!!")
|
|
#endif /* LPT_DPRINTF */
|
|
#else
|
|
#define LPT_DPRINTF(arg)
|
|
#endif /* LPT_DEBUG */
|
|
|
|
#ifdef LPT_VERBOSE
|
|
static volatile int lptverbose = 1;
|
|
#ifndef LPT_VPRINTF
|
|
#define LPT_VPRINTF(arg) if(lptverbose) printf arg
|
|
#else
|
|
#define LPT_VPRINTF(arg) if(lptverbose) printf("WARNING: LPT_VPRINTF " \
|
|
"REDEFINED!!!")
|
|
#endif /* LPT_VPRINTF */
|
|
#else
|
|
#define LPT_VPRINTF(arg)
|
|
#endif /* LPT_VERBOSE */
|
|
|
|
#endif /* __DEV_PPBUS_LPTVAR_H */
|