patch-2.1.66 linux/drivers/char/ftape/fdc-io.h

• Lines: 183
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.65/linux/drivers/char/ftape/fdc-io.h
• Orig date: Mon Sep 30 00:39:58 1996

diff -u --recursive --new-file v2.1.65/linux/drivers/char/ftape/fdc-io.h linux/drivers/char/ftape/fdc-io.h
@@ -1,182 +0,0 @@
-#ifndef _FDC_IO_H
-#define _FDC_IO_H
-
-/*
- * Copyright (C) 1993-1995 Bas Laarhoven.
-
- 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/bas/distr/ftape-2.03b/RCS/fdc-io.h,v $
- $Author: bas $
- *
- $Revision: 1.38 $
- $Date: 1995/05/10 16:09:36 $
- $State: Beta $
- *
- *      This file contains the low level functions
- *      that communicate with the floppy disk controller,
- *      for the QIC-40/80 floppy-tape driver for Linux.
- */
-
-#include <linux/fdreg.h>
-
-#define FDC_SK_BIT      (0x20)
-#define FDC_MT_BIT      (0x80)
-
-#define FDC_READ        (FD_READ & ~(FDC_SK_BIT | FDC_MT_BIT))
-#define FDC_WRITE       (FD_WRITE & ~FDC_MT_BIT)
-#define FDC_READ_DELETED (0x4c)
-#define FDC_WRITE_DELETED (0x49)
-#define FDC_READID      (0x4a)
-#define FDC_SENSED      (0x04)
-#define FDC_SENSEI      (FD_SENSEI)
-#define FDC_RECAL       (FD_RECALIBRATE)
-#define FDC_SEEK        (FD_SEEK)
-#define FDC_SPECIFY     (FD_SPECIFY)
-#define FDC_RECALIBR    (FD_RECALIBRATE)
-#define FDC_VERSION     (FD_VERSION)
-#define FDC_PERPEND     (FD_PERPENDICULAR)
-#define FDC_DUMPREGS    (FD_DUMPREGS)
-#define FDC_LOCK        (FD_LOCK)
-#define FDC_UNLOCK      (FD_UNLOCK)
-#define FDC_CONFIGURE   (FD_CONFIGURE)
-#define FDC_DRIVE_SPEC  (0x8e)	/* i82078 has this (any others?) */
-#define FDC_PARTID      (0x18)	/* i82078 has this */
-#define FDC_SAVE        (0x2e)	/* i82078 has this (any others?) */
-#define FDC_RESTORE     (0x4e)	/* i82078 has this (any others?) */
-
-#define FDC_STATUS_MASK (STATUS_BUSY | STATUS_DMA | STATUS_DIR | STATUS_READY)
-#define FDC_DATA_READY  (STATUS_READY)
-#define FDC_DATA_OUTPUT (STATUS_DIR)
-#define FDC_DATA_READY_MASK (STATUS_READY | STATUS_DIR)
-#define FDC_DATA_OUT_READY  (STATUS_READY | STATUS_DIR)
-#define FDC_DATA_IN_READY   (STATUS_READY)
-#define FDC_BUSY        (STATUS_BUSY)
-#define FDC_CLK48_BIT   (0x80)
-#define FDC_SEL3V_BIT   (0x40)
-
-#define ST0_INT_MASK    (ST0_INTR)
-#define FDC_INT_NORMAL  (ST0_INTR & 0x00)
-#define FDC_INT_ABNORMAL (ST0_INTR & 0x40)
-#define FDC_INT_INVALID (ST0_INTR & 0x80)
-#define FDC_INT_READYCH (ST0_INTR & 0xC0)
-#define ST0_SEEK_END    (ST0_SE)
-#define ST3_TRACK_0     (ST3_TZ)
-
-#define FDC_RESET_NOT   (0x04)
-#define FDC_DMA_MODE    (0x08)
-#define FDC_MOTOR_0     (0x10)
-#define FDC_MOTOR_1     (0x20)
-
-typedef struct {
-	void (**hook) (void);	/* our wedge into the isr */
-	enum {
-		no_fdc, i8272, i82077, i82077AA, fc10,
-		i82078, i82078_1
-	} type;			/* FDC type */
-	unsigned char irq;	/* FDC irq nr */
-	unsigned char dma;	/* FDC dma channel nr */
-	unsigned short sra;	/* Status register A (PS/2 only) */
-	unsigned short srb;	/* Status register B (PS/2 only) */
-	unsigned short dor;	/* Digital output register */
-	unsigned short tdr;	/* Tape Drive Register (82077SL-1 &
-				   82078 only) */
-	unsigned short msr;	/* Main Status Register */
-	unsigned short dsr;	/* Datarate Select Register (8207x only) */
-	unsigned short fifo;	/* Data register / Fifo on 8207x */
-	unsigned short dir;	/* Digital Input Register */
-	unsigned short ccr;	/* Configuration Control Register */
-	unsigned short dor2;	/* Alternate dor on MACH-2 controller,
-				   also used with FC-10, meaning unknown */
-} fdc_config_info;
-
-typedef enum {
-	fdc_data_rate_250 = 2,
-	fdc_data_rate_500 = 0,
-	fdc_data_rate_1000 = 3,
-	fdc_data_rate_2000 = 1,	/* i82078-1: remember to use Data Rate Table #2 */
-} fdc_data_rate_type;
-
-typedef enum {
-	waiting = 0,
-	reading,
-	writing,
-	done,
-	error,
-} buffer_state_enum;
-
-typedef volatile enum {
-	fdc_idle = 0,
-	fdc_reading_data = FDC_READ,
-	fdc_seeking = FDC_SEEK,
-	fdc_writing_data = FDC_WRITE,
-	fdc_reading_id = FDC_READID,
-	fdc_recalibrating = FDC_RECAL,
-} fdc_mode_enum;
-
-/*
- *      fdc-io.c defined public variables
- */
-extern fdc_mode_enum fdc_mode;
-extern volatile enum runner_status_enum runner_status;
-extern int old_vfo;
-extern volatile int head;
-extern volatile int tail;
-extern int fdc_setup_error;	/* outdated ??? */
-extern struct wait_queue *wait_intr;
-extern volatile unsigned int next_segment;	/* next segment for read ahead */
-extern int ftape_unit;		/* fdc unit specified at ftape_open() */
-extern int ftape_motor;		/* fdc motor line state */
-extern int current_cylinder;	/* track nr the FDC thinks we're on */
-extern volatile byte fdc_head;	/* FDC head */
-extern volatile byte fdc_cyl;	/* FDC track */
-extern volatile byte fdc_sect;	/* FDC sector */
-extern fdc_config_info fdc;	/* FDC hardware configuration */
-
-/*
- *      fdc-io.c defined public functions
- */
-extern void fdc_catch_stray_interrupts(unsigned count);
-extern int fdc_ready_wait(int timeout);
-extern int fdc_write(byte data);
-extern int fdc_read(byte * data);
-extern int fdc_command(byte * cmd_data, int cmd_len);
-extern int fdc_result(byte * res_data, int res_len);
-extern int fdc_issue_command(byte * out_data, int out_count, \
-			     byte * in_data, int in_count);
-extern void fdc_isr(void);
-extern int fdc_interrupt_wait(int time);
-extern void fdt_sleep(unsigned int time);
-extern int fdc_specify(int head_unload_time, int seek_rate,
-		       int head_load_time, int non_dma);
-extern int fdc_set_seek_rate(int seek_rate);
-extern int fdc_seek(int track);
-extern int fdc_sense_drive_status(int *st3);
-extern void fdc_motor(int motor);
-extern void fdc_reset(void);
-extern int fdc_recalibrate(void);
-extern void fdc_disable(void);
-extern int fdc_wait_calibrate(void);
-extern int fdc_sense_interrupt_status(int *st0, int *current_cylinder);
-extern void fdc_save_drive_specs(void);
-extern void fdc_restore_drive_specs(void);
-extern void fdc_set_data_rate(int rate);
-extern int fdc_release_irq_and_dma(void);
-extern int fdc_init(void);
-extern int fdc_uninit(void);
-extern void fdc_set_write_precomp(int precomp);
-
-#endif