ataflop.c File Reference

#include <linux/module.h>
#include <linux/fd.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/mutex.h>
#include <asm/atafd.h>
#include <asm/atafdreg.h>
#include <asm/atariints.h>
#include <asm/atari_stdma.h>
#include <asm/atari_stram.h>

Go to the source code of this file.

Data Structures
struct	atari_disk_type
struct	atari_floppy_struct

Macros
#define	FD_MAX_UNITS   2
#define	MAX_TYPE_DD   3
#define	MAX_TYPE_HD   6
#define	MAX_TYPE_ED   8
#define	TYPE_DD   0
#define	TYPE_HD   1
#define	TYPE_ED   2
#define	NUM_DISK_MINORS   ARRAY_SIZE(minor2disktype)
#define	MAX_DISK_SIZE   3280
#define	UD   unit[drive]
#define	UDT   unit[drive].disktype
#define	SUD   unit[SelectedDrive]
#define	SUDT   unit[SelectedDrive].disktype
#define	FDC_READ(reg)
#define	FDC_WRITE(reg, val)
#define	BUFFER_SIZE   (BufferSize[DriveType])
#define	SECTOR_BUFFER(sec)   (TrackBuffer + ((sec)-1)*512)
#define	IS_BUFFERED(drive, side, track)   (BufferDrive == (drive) && BufferSide == (side) && BufferTrack == (track))
#define	CHECK_CHANGE_DELAY   HZ/2
#define	FD_MOTOR_OFF_DELAY   (3*HZ)
#define	FD_MOTOR_OFF_MAXTRY   (10*20)
#define	FLOPPY_TIMEOUT   (6*HZ)
#define	RECALIBRATE_ERRORS
#define	MAX_ERRORS
#define	DPRINT(a)
#define	SET_IRQ_HANDLER(proc)   do { FloppyIRQHandler = (proc); } while(0)
#define	FILL(n, val)

Functions
	module_param (UseTrackbuffer, int, 0)
	module_param_array (UserSteprate, int, NULL, 0)
void	do_fd_request (struct request_queue *q)
	__setup ("floppy=", atari_floppy_setup)

Variables
unsigned char *	DMABuffer
unsigned char *	TrackBuffer

Macro Definition Documentation

#define BUFFER_SIZE   (BufferSize[DriveType])

Definition at line 268 of file ataflop.c.

#define CHECK_CHANGE_DELAY   HZ/2

Definition at line 307 of file ataflop.c.

#define DPRINT

(

a

)

Definition at line 333 of file ataflop.c.

#define FD_MAX_UNITS   2

Definition at line 78 of file ataflop.c.

#define FD_MOTOR_OFF_DELAY   (3*HZ)

Definition at line 309 of file ataflop.c.

#define FD_MOTOR_OFF_MAXTRY   (10*20)

Definition at line 310 of file ataflop.c.

#define FDC_READ

(

reg

)

Value:

({          \
    /* unsigned long __flags; */        \
    unsigned short __val;           \
    /* local_irq_save(__flags); */      \
    dma_wd.dma_mode_status = 0x80 | (reg);  \
    udelay(25);                 \
    __val = dma_wd.fdc_acces_seccount;      \
    MFPDELAY();                 \
    /* local_irq_restore(__flags); */       \
    __val & 0xff;               \
})

Definition at line 230 of file ataflop.c.

#define FDC_WRITE	(		reg,
			val
	)

Value:

do {                    \
    /* unsigned long __flags; */        \
    /* local_irq_save(__flags); */      \
    dma_wd.dma_mode_status = 0x80 | (reg);  \
    udelay(25);             \
    dma_wd.fdc_acces_seccount = (val);  \
    MFPDELAY();             \
        /* local_irq_restore(__flags); */   \
    } while(0)

Definition at line 242 of file ataflop.c.

#define FILL	(		n,
			val
	)

Value:

do {            \
    memset( p, val, n );    \
    p += n;         \
    } while(0)

Definition at line 636 of file ataflop.c.

#define FLOPPY_TIMEOUT   (6*HZ)

Definition at line 312 of file ataflop.c.

#define IS_BUFFERED	(		drive,
			side,
			track
	)		(BufferDrive == (drive) && BufferSide == (side) && BufferTrack == (track))

Definition at line 282 of file ataflop.c.

#define MAX_DISK_SIZE   3280

Definition at line 190 of file ataflop.c.

#define MAX_ERRORS

Value:

8   /* After this many errors the driver
                     * will give up. */

Definition at line 314 of file ataflop.c.

#define MAX_TYPE_DD   3

#define MAX_TYPE_ED   8

#define MAX_TYPE_HD   6

#define NUM_DISK_MINORS   ARRAY_SIZE(minor2disktype)

Definition at line 184 of file ataflop.c.

#define RECALIBRATE_ERRORS

Value:

4   /* After this many errors the drive
                     * will be recalibrated. */

Definition at line 313 of file ataflop.c.

#define SECTOR_BUFFER

(

sec

)

(TrackBuffer + ((sec)-1)*512)

Definition at line 281 of file ataflop.c.

#define SET_IRQ_HANDLER

(

proc

)

do { FloppyIRQHandler = (proc); } while(0)

Definition at line 631 of file ataflop.c.

#define SUD   unit[SelectedDrive]

Definition at line 226 of file ataflop.c.

#define SUDT   unit[SelectedDrive].disktype

Definition at line 227 of file ataflop.c.

#define TYPE_DD   0

Definition at line 137 of file ataflop.c.

#define TYPE_ED   2

Definition at line 139 of file ataflop.c.

#define TYPE_HD   1

Definition at line 138 of file ataflop.c.

#define UD   unit[drive]

Definition at line 224 of file ataflop.c.

#define UDT   unit[drive].disktype

Definition at line 225 of file ataflop.c.

Function Documentation

__setup

(

)

static void do_fd_request

(

struct request_queue *

q

)

Definition at line 1495 of file ataflop.c.

module_param	(	UseTrackbuffer	,
		int	,
		0
	)

module_param_array	(	UserSteprate	,
		int	,
		NULL	,
		0
	)

Variable Documentation

unsigned char* DMABuffer

Definition at line 270 of file ataflop.c.

unsigned drive_types

Definition at line 148 of file ataflop.c.

int index

Definition at line 147 of file ataflop.c.

unsigned char* TrackBuffer

Definition at line 276 of file ataflop.c.