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#ifndef _FTAPE_CTL_H

#define _FTAPE_CTL_H

/*

 * Copyright (C) 1993-1996 Bas Laarhoven,

 *           (C) 1996-1997 Claus-Justus Heine.

 This program is free software; you can redistribute it and/or modify

 it under the terms of the GNU General Public License as published by

 the Free Software Foundation; either version 2, or (at your option)

 any later version.

 This program is distributed in the hope that it will be useful,

 but WITHOUT ANY WARRANTY; without even the implied warranty of

 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License

 along with this program; see the file COPYING.  If not, write to

 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 * $Source: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/linux/linux-2.4/drivers/char/ftape/lowlevel/ftape-ctl.h,v $

 * $Revision: 1.1.1.1 $

 * $Date: 2004-04-15 02:02:37 $

 *

 *      This file contains the non-standard IOCTL related definitions

 *      for the QIC-40/80/3010/3020 floppy-tape driver "ftape" for

 *      Linux.

 */

#include <linux/ioctl.h>

#include <linux/mtio.h>

#include <linux/ftape-vendors.h>

#include "../lowlevel/ftape-rw.h"

#include <linux/ftape-header-segment.h>

typedef struct {

        int used;               /* any reading or writing done */

        /* isr statistics */

        unsigned int id_am_errors;      /* id address mark not found */

        unsigned int id_crc_errors;     /* crc error in id address mark */

        unsigned int data_am_errors;    /* data address mark not found */

        unsigned int data_crc_errors;   /* crc error in data field */

        unsigned int overrun_errors;    /* fdc access timing problem */

        unsigned int no_data_errors;    /* sector not found */

        unsigned int retries;   /* number of tape retries */

        /* ecc statistics */

        unsigned int crc_errors;        /* crc error in data */

        unsigned int crc_failures;      /* bad data without crc error */

        unsigned int ecc_failures;      /* failed to correct */

        unsigned int corrected; /* total sectors corrected */

        /* general statistics */

        unsigned int rewinds;   /* number of tape rewinds */

        unsigned int defects;   /* bad sectors due to media defects */

} history_record;

/* this structure contains * ALL * information that we want

 * our child modules to know about, but don't want them to

 * modify.

 */

typedef struct {

        /*  vendor information */

        vendor_struct fti_drive_type;

        /*  data rates */

        unsigned int fti_used_data_rate;

        unsigned int fti_drive_max_rate;

        unsigned int fti_fdc_max_rate;

        /*  drive selection, either FTAPE_SEL_A/B/C/D */

        int fti_drive_sel;

        /*  flags set after decode the drive and tape status   */

        unsigned int fti_formatted      :1;

        unsigned int fti_no_tape        :1;

        unsigned int fti_write_protected:1;

        unsigned int fti_new_tape       :1;

        /*  values of last queried drive/tape status and error */

        ft_drive_error  fti_last_error;

        ft_drive_status fti_last_status;

        /*  cartridge geometry */

        unsigned int fti_tracks_per_tape;

        unsigned int fti_segments_per_track;

        /*  location of header segments, etc. */

        int fti_used_header_segment;

        int fti_header_segment_1;

        int fti_header_segment_2;

        int fti_first_data_segment;

        int fti_last_data_segment;

        /*  the format code as stored in the header segment  */

        ft_format_type  fti_format_code;

        /*  the following is the sole reason for the ftape_set_status() call */

        unsigned int fti_qic_std;

        /*  is tape running? */

        volatile enum runner_status_enum fti_runner_status;

        /*  is tape reading/writing/verifying/formatting/deleting */

        buffer_state_enum fti_state;

        /*  flags fatal hardware error */

        unsigned int fti_failure:1;

        /*  history record */

        history_record fti_history;

} ftape_info;

/* vendor information */

#define ft_drive_type          ftape_status.fti_drive_type

/*  data rates */

#define ft_data_rate           ftape_status.fti_used_data_rate

#define ft_drive_max_rate      ftape_status.fti_drive_max_rate

#define ft_fdc_max_rate        ftape_status.fti_fdc_max_rate

/*  drive selection, either FTAPE_SEL_A/B/C/D */

#define ft_drive_sel           ftape_status.fti_drive_sel

/*  flags set after decode the drive and tape status   */

#define ft_formatted           ftape_status.fti_formatted

#define ft_no_tape             ftape_status.fti_no_tape

#define ft_write_protected     ftape_status.fti_write_protected

#define ft_new_tape            ftape_status.fti_new_tape

/*  values of last queried drive/tape status and error */

#define ft_last_error          ftape_status.fti_last_error

#define ft_last_status         ftape_status.fti_last_status

/*  cartridge geometry */

#define ft_tracks_per_tape     ftape_status.fti_tracks_per_tape

#define ft_segments_per_track  ftape_status.fti_segments_per_track

/*  the format code as stored in the header segment  */

#define ft_format_code         ftape_status.fti_format_code

/*  the qic status as returned by report drive configuration */

#define ft_qic_std             ftape_status.fti_qic_std

#define ft_used_header_segment ftape_status.fti_used_header_segment

#define ft_header_segment_1    ftape_status.fti_header_segment_1

#define ft_header_segment_2    ftape_status.fti_header_segment_2

#define ft_first_data_segment  ftape_status.fti_first_data_segment

#define ft_last_data_segment   ftape_status.fti_last_data_segment

/*  is tape running? */

#define ft_runner_status       ftape_status.fti_runner_status

/*  is tape reading/writing/verifying/formatting/deleting */

#define ft_driver_state        ftape_status.fti_state

/*  flags fatal hardware error */

#define ft_failure             ftape_status.fti_failure

/*  history record */

#define ft_history             ftape_status.fti_history

/*

 *      ftape-ctl.c defined global vars.

 */

extern ftape_info ftape_status;

extern int ftape_segments_per_head;

extern int ftape_segments_per_cylinder;

extern int ftape_init_drive_needed;

/*

 *      ftape-ctl.c defined global functions.

 */

extern int  ftape_mmap(struct vm_area_struct *vma);

extern int  ftape_enable(int drive_selection);

extern void ftape_disable(void);

extern int  ftape_seek_to_bot(void);

extern int  ftape_seek_to_eot(void);

extern int  ftape_abort_operation(void);

extern void ftape_calc_timeouts(unsigned int qic_std,

                                 unsigned int data_rate,

                                 unsigned int tape_len);

extern int  ftape_calibrate_data_rate(unsigned int qic_std);

extern int  ftape_init_drive(void);

extern const ftape_info *ftape_get_status(void);

#endif