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#ifndef _FTAPE_IO_H
#define _FTAPE_IO_H
/*
* Copyright (C) 1993-1996 Bas Laarhoven,
* (C) 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: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-io.h,v $
* $Revision: 1.2 $
* $Date: 1997/10/05 19:18:18 $
*
* This file contains definitions for the glue part of the
* QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux.
*/
#include <linux/qic117.h>
#include <linux/ftape-vendors.h>
typedef struct {
unsigned int seek;
unsigned int reset;
unsigned int rewind;
unsigned int head_seek;
unsigned int stop;
unsigned int pause;
} ft_timeout_table;
typedef enum {
prehistoric, pre_qic117c, post_qic117b, post_qic117d
} qic_model;
/*
* ftape-io.c defined global vars.
*/
extern ft_timeout_table ftape_timeout;
extern unsigned int ftape_tape_len;
extern volatile qic117_cmd_t ftape_current_command;
extern const struct qic117_command_table qic117_cmds[];
extern int ftape_might_be_off_track;
/*
* ftape-io.c defined global functions.
*/
extern void ftape_udelay(unsigned int usecs);
extern void ftape_udelay_calibrate(void);
extern void ftape_sleep(unsigned int time);
extern void ftape_report_vendor_id(unsigned int *id);
extern int ftape_command(qic117_cmd_t command);
extern int ftape_command_wait(qic117_cmd_t command,
unsigned int timeout,
int *status);
extern int ftape_parameter(unsigned int parameter);
extern int ftape_parameter_wait(unsigned int parameter,
unsigned int timeout,
int *status);
extern int ftape_report_operation(int *status,
qic117_cmd_t command,
int result_length);
extern int ftape_report_configuration(qic_model *model,
unsigned int *rate,
int *qic_std,
int *tape_len);
extern int ftape_report_drive_status(int *status);
extern int ftape_report_raw_drive_status(int *status);
extern int ftape_report_status(int *status);
extern int ftape_ready_wait(unsigned int timeout, int *status);
extern int ftape_seek_head_to_track(unsigned int track);
extern int ftape_in_error_state(int status);
extern int ftape_set_data_rate(unsigned int new_rate, unsigned int qic_std);
extern int ftape_report_error(unsigned int *error,
qic117_cmd_t *command,
int report);
extern int ftape_reset_drive(void);
extern int ftape_put_drive_to_sleep(wake_up_types method);
extern int ftape_wakeup_drive(wake_up_types method);
extern int ftape_increase_threshold(void);
extern int ftape_half_data_rate(void);
#endif
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