fdc.h File Reference

#include <sys/types.h>

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Data Structures
struct	DrvGeom

Macros
#define	cmdRead   (0xe6)
#define	cmdRecal   (0x07)
#define	cmdSeek   (0x0f)
#define	cmdSensei   (0x08)
#define	cmdSpecify   (0x03)
#define	cmdWrite   (0xc5)
#define	dg144Gap3rw   0x1b
#define	dg144Heads   2 /* heads per drive (1.44M) */
#define	dg144Spt   18
#define	dg144Tracks   80
#define	dg168Gap3rw   0x1c
#define	fdcCcr   (0x3f7)
#define	fdcData   (0x3f5)
#define	fdcDir   (0x3f7)
#define	fdcDor   (0x3f2)
#define	fdcDrs   (0x3f4)
#define	fdcMsr   (0x3f4)

Typedefs
typedef struct DrvGeom	drvGeom

Functions
void	block2Hts (int block, int *head, int *track, int *sector)
int	fdc_init ()
void	fdcRead (void *info, void *, uInt32 startSector, uInt32 sectorCount)
bool	fdcRw (int block, unsigned char *blockBuffer, bool read, unsigned long numSectors)
void	fdcWrite (void *info, void *, uInt32 startSector, uInt32 sectorCount)
void	floppyIsr ()
void	floppyIsrhndlr ()
int	getByte ()
void	motorOff (void)
void	motorOn (void)
bool	readBlock (int block, Int8 *blockBuffer, unsigned long numSectors)
void	recalibrate (void)
void	reset (void)
bool	seek (int track)
void	sendByte (int Int8)
bool	waitFdc (bool sensei)
bool	writeBlock (int block, Int8 *blockBuffer, unsigned long numSectors)

Macro Definition Documentation

cmdRead

#define cmdRead   (0xe6)

Definition at line 49 of file fdc.h.

cmdRecal

#define cmdRecal   (0x07)

Definition at line 52 of file fdc.h.

cmdSeek

#define cmdSeek   (0x0f)

Definition at line 50 of file fdc.h.

cmdSensei

#define cmdSensei   (0x08)

Definition at line 51 of file fdc.h.

cmdSpecify

#define cmdSpecify   (0x03)

Definition at line 53 of file fdc.h.

cmdWrite

#define cmdWrite   (0xc5)

Definition at line 48 of file fdc.h.

dg144Gap3rw

#define dg144Gap3rw   0x1b

Definition at line 58 of file fdc.h.

dg144Heads

#define dg144Heads   2 /* heads per drive (1.44M) */

Definition at line 55 of file fdc.h.

dg144Spt

#define dg144Spt   18

Definition at line 57 of file fdc.h.

dg144Tracks

#define dg144Tracks   80

Definition at line 56 of file fdc.h.

dg168Gap3rw

#define dg168Gap3rw   0x1c

Definition at line 59 of file fdc.h.

fdcCcr

#define fdcCcr   (0x3f7)

Definition at line 44 of file fdc.h.

fdcData

#define fdcData   (0x3f5)

Definition at line 42 of file fdc.h.

fdcDir

#define fdcDir   (0x3f7)

Definition at line 43 of file fdc.h.

fdcDor

#define fdcDor   (0x3f2)

Definition at line 45 of file fdc.h.

fdcDrs

#define fdcDrs   (0x3f4)

Definition at line 46 of file fdc.h.

fdcMsr

#define fdcMsr   (0x3f4)

Definition at line 41 of file fdc.h.

Typedef Documentation

drvGeom

typedef struct DrvGeom drvGeom

Function Documentation

block2Hts()

void block2Hts	(	int	block,
		int *	head,
		int *	track,
		int *	sector
	)

Definition at line 200 of file fdc.c.

Referenced by fdcRw().

fdc_init()

int fdc_init

(

)

Definition at line 61 of file fdc.c.

References devfs_makeNode(), device_add(), dInt, dPresent, fdcInit2(), fdcRead(), fdcWrite(), floppyIsr(), device_interface::init, irqEnable(), kmalloc(), device_interface::major, mVec, device_interface::read, device_interface::reset, reset(), setVector(), and device_interface::write.

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fdcRead()

void fdcRead	(	void *	info,
		void *	,
		uInt32	startSector,
		uInt32	sectorCount
	)

Definition at line 303 of file fdc.c.

References spinLock().

Referenced by fdc_init().

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fdcRw()

bool fdcRw	(	int	block,
		unsigned char *	blockBuffer,
		bool	read,
		unsigned long	numSectors
	)

Definition at line 127 of file fdc.c.

References block2Hts(), fdcDir, inportByte(), motorOn(), and read().

Referenced by readBlock(), and writeBlock().

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fdcWrite()

void fdcWrite	(	void *	info,
		void *	,
		uInt32	startSector,
		uInt32	sectorCount
	)

Definition at line 309 of file fdc.c.

References writeBlock().

Referenced by fdc_init().

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floppyIsr()

void floppyIsr

(

)

Referenced by fdc_init().

floppyIsrhndlr()

void floppyIsrhndlr

(

)

Definition at line 96 of file fdc.c.

getByte()

int getByte

(

)

Definition at line 114 of file fdc.c.

References fdcData, fdcMsr, and inportByte().

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motorOff()

void motorOff

(

void

)

Definition at line 213 of file fdc.c.

Referenced by recalibrate().

motorOn()

void motorOn

(

void

)

Definition at line 206 of file fdc.c.

Referenced by fdcRw(), and recalibrate().

readBlock()

bool readBlock	(	int	block,
		Int8 *	blockBuffer,
		unsigned long	numSectors
	)

Definition at line 240 of file fdc.c.

References fdcRw(), and TRUE.

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recalibrate()

void recalibrate

(

void

)

Definition at line 280 of file fdc.c.

References cmdRecal, motorOff(), motorOn(), sendByte(), TRUE, and waitFdc().

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reset()

void reset

(

void

)

Definition at line 288 of file fdc.c.

References fdcDor, and outportByte().

Referenced by fdc_init().

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seek()

bool seek

(

int

track

)

Definition at line 221 of file fdc.c.

sendByte()

void sendByte

(

int

Int8

)

Definition at line 101 of file fdc.c.

References fdcData, fdcMsr, inportByte(), and outportByte().

Referenced by recalibrate().

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waitFdc()

bool waitFdc

(

bool

sensei

)

Definition at line 255 of file fdc.c.

Referenced by recalibrate().

writeBlock()

bool writeBlock	(	int	block,
		Int8 *	blockBuffer,
		unsigned long	numSectors
	)

Definition at line 251 of file fdc.c.

References FALSE, and fdcRw().

Referenced by fdcWrite().

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