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#ifndef _FTAPE_H
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#define _FTAPE_H
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/*
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* Copyright (C) 1994-1995 Bas Laarhoven.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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$Source: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/uclinux/uClinux-2.0.x/include/linux/ftape.h,v $
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$Author: simons $
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*
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$Revision: 1.1.1.1 $
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$Date: 2001-09-10 07:44:43 $
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$State: Exp $
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*
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* This file contains global definitions, typedefs and macro's
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* for the QIC-40/80 floppy-tape driver for Linux.
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*/
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#include <linux/sched.h>
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#include <linux/mm.h>
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#define SECTOR(x) (x+1) /* sector offset into real sector */
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#define SECTOR_SIZE (1024)
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#define SECTORS_PER_SEGMENT (32)
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#define BUFF_SIZE (SECTORS_PER_SEGMENT * SECTOR_SIZE)
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#define FTAPE_UNIT (ftape_unit & 3)
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#define RQM_DELAY (12)
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#define MILLISECOND (1)
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#define SECOND (1000)
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#define FOREVER (-1)
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#ifndef HZ
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# error "HZ undefined."
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#endif
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#define MSPT (SECOND / HZ) /* milliseconds per tick */
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/* This defines the number of retries that the driver will allow
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* before giving up (and letting a higher level handle the error).
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*/
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#ifdef TESTING
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# define SOFT_RETRIES 1 /* number of low level retries */
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# define RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */
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#else
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# define SOFT_RETRIES 6 /* number of low level retries (triple) */
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# define RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */
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#endif
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/* some useful macro's
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*/
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#define ABS(a) ((a) < 0 ? -(a) : (a))
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#define NR_ITEMS(x) (sizeof(x)/ sizeof(*x))
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typedef unsigned char byte;
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extern int ftape_init(void);
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#endif
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