fdc.h File Reference

#include <ubixos/types.h>

Go to the source code of this file.

Data Structures
struct	DrvGeom
Defines
#define	cmdRead   (0xe6)
#define	cmdRecal   (0x07)
#define	cmdSeek   (0x0f)
#define	cmdSensei   (0x08)
#define	cmdSpecify   (0x03)
#define	cmdWrite   (0xc5)
#define	dg144Gap3rw   0x1b
#define	dg144Heads   2
#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 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, Int8 *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)

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Define Documentation

#define cmdRead   (0xe6)

Definition at line 50 of file fdc.h.

Referenced by fdcRw().

#define cmdRecal   (0x07)

Definition at line 53 of file fdc.h.

Referenced by recalibrate().

#define cmdSeek   (0x0f)

Definition at line 51 of file fdc.h.

Referenced by seek().

#define cmdSensei   (0x08)

Definition at line 52 of file fdc.h.

Referenced by waitFdc().

#define cmdSpecify   (0x03)

Definition at line 54 of file fdc.h.

Referenced by reset().

#define cmdWrite   (0xc5)

Definition at line 49 of file fdc.h.

Referenced by fdcRw().

#define dg144Gap3rw   0x1b

Definition at line 59 of file fdc.h.

Referenced by fdcRw().

#define dg144Heads   2

Definition at line 56 of file fdc.h.

#define dg144Spt   18

Definition at line 58 of file fdc.h.

Referenced by fdcRw().

#define dg144Tracks   80

Definition at line 57 of file fdc.h.

#define dg168Gap3rw   0x1c

Definition at line 60 of file fdc.h.

Referenced by fdcRw().

#define fdcCcr   (0x3f7)

Definition at line 45 of file fdc.h.

Referenced by fdcRw().

#define fdcData   (0x3f5)

Definition at line 43 of file fdc.h.

Referenced by getByte(), and sendByte().

#define fdcDir   (0x3f7)

Definition at line 44 of file fdc.h.

Referenced by fdcRw(), and waitFdc().

#define fdcDor   (0x3f2)

Definition at line 46 of file fdc.h.

Referenced by motorOn(), and reset().

#define fdcDrs   (0x3f4)

Definition at line 47 of file fdc.h.

#define fdcMsr   (0x3f4)

Definition at line 42 of file fdc.h.

Referenced by getByte(), sendByte(), and waitFdc().

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Typedef Documentation

typedef struct DrvGeom drvGeom

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Function Documentation

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

Definition at line 201 of file fdc.c.

References geometry, DrvGeom::heads, and DrvGeom::spt.

Referenced by fdcRw().

int fdc_init

(

)

Definition at line 63 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, reset(), device_interface::reset, setVector(), and device_interface::write.

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

Definition at line 303 of file fdc.c.

References fdcSpinLock, readBlock(), spinLock(), and spinUnlock().

Referenced by fdc_init().

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

Definition at line 129 of file fdc.c.

References block2Hts(), cmdRead, cmdWrite, dg144Gap3rw, dg144Spt, dg168Gap3rw, diskChange, dmaXfer(), FALSE, fdcCcr, fdcDir, fdcRw(), geometry, inportByte(), kprint(), kprintf(), motorOff(), motorOn(), outportByte(), recalibrate(), reset(), seek(), sendByte(), DrvGeom::spt, status, tbaddr, TRUE, and waitFdc().

Referenced by fdcRw(), readBlock(), and writeBlock().

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

Definition at line 309 of file fdc.c.

References writeBlock().

Referenced by fdc_init().

void floppyIsr

(

)

Referenced by fdc_init().

void floppyIsrhndlr

(

)

Definition at line 98 of file fdc.c.

References done, outportByte(), TRUE, and x20.

int getByte

(

)

Definition at line 116 of file fdc.c.

References fdcData, fdcMsr, and inportByte().

Referenced by waitFdc().

void motorOff

(

void

)

Definition at line 214 of file fdc.c.

References FALSE, motor, and TRUE.

Referenced by fdcRw(), and recalibrate().

void motorOn

(

void

)

Definition at line 207 of file fdc.c.

References FALSE, fdcDor, motor, outportByte(), and TRUE.

Referenced by fdcRw(), and recalibrate().

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

Definition at line 241 of file fdc.c.

References fdcRw(), and TRUE.

Referenced by fdcRead().

void recalibrate

(

void

)

Definition at line 280 of file fdc.c.

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

Referenced by fdcRw(), and reset().

void reset

(

void

)

Definition at line 288 of file fdc.c.

References cmdSpecify, diskChange, done, FALSE, fdcDor, motor, outportByte(), recalibrate(), seek(), sendByte(), TRUE, and waitFdc().

Referenced by fdc_init(), and fdcRw().

bool seek

(

int

track

)

Definition at line 222 of file fdc.c.

References cmdSeek, FALSE, fdcTrack, kprintf(), sendByte(), sr0, TRUE, waitFdc(), and x20.

Referenced by fdcRw(), and reset().

void sendByte

(

int

Int8

)

Definition at line 103 of file fdc.c.

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

Referenced by fdcRw(), recalibrate(), reset(), seek(), and waitFdc().

bool waitFdc

(

bool

sensei

)

Definition at line 256 of file fdc.c.

References cmdSensei, diskChange, done, FALSE, fdcDir, fdcMsr, fdcTrack, getByte(), inportByte(), sendByte(), sr0, statSize, status, timeOut, and TRUE.

Referenced by fdcRw(), recalibrate(), reset(), and seek().

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

Definition at line 252 of file fdc.c.

References FALSE, and fdcRw().

Referenced by fdcWrite().

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