Tentative fdc patches...

This commit is contained in:
Andrew Moore 1994-02-07 22:12:45 +00:00
parent 63ba5191a4
commit 9c2638e6dc
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=1122
9 changed files with 87 additions and 118 deletions

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@ -63,6 +63,7 @@
#include "i386/isa/isa.h"
#include "i386/isa/isa_device.h"
#include "i386/isa/fdreg.h"
#include "i386/isa/fdc.h"
#include "i386/isa/icu.h"
#include "i386/isa/rtc.h"

View file

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)fdreg.h 7.1 (Berkeley) 5/9/91
* $Id: fdreg.h,v 1.2 1993/10/16 13:45:50 rgrimes Exp $
* $Id: fdreg.h,v 1.3 1994/02/07 04:27:10 alm Exp $
*/
/*
@ -63,41 +63,3 @@
#define fdin 7 /* Digital Input Register (R) */
#define FDI_DCHG 0x80 /* diskette has been changed */
/***********************************************************************\
* Per controller structure. *
\***********************************************************************/
struct fdc_data
{
int fdcu; /* our unit number */
int baseport;
int dmachan;
int flags;
#define FDC_ATTACHED 0x01
#define FDC_HASFTAPE 0x02
#define FDC_TAPE_BUSY 0x04
struct fd_data *fd;
int fdu; /* the active drive */
struct buf head; /* Head of buf chain */
struct buf rhead; /* Raw head of buf chain */
int state;
int retry;
int status[7]; /* copy of the registers */
};
/***********************************************************************\
* Throughout this file the following conventions will be used: *
* fd is a pointer to the fd_data struct for the drive in question *
* fdc is a pointer to the fdc_data struct for the controller *
* fdu is the floppy drive unit number *
* fdcu is the floppy controller unit number *
* fdsu is the floppy drive unit number on that controller. (sub-unit) *
\***********************************************************************/
typedef int fdu_t;
typedef int fdcu_t;
typedef int fdsu_t;
typedef struct fd_data *fd_p;
typedef struct fdc_data *fdc_p;
#define FDUNIT(s) (((s)>>6)&03)
#define FDTYPE(s) ((s)&077)

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@ -63,6 +63,7 @@
#include "i386/isa/isa.h"
#include "i386/isa/isa_device.h"
#include "i386/isa/fdreg.h"
#include "i386/isa/fdc.h"
#include "i386/isa/icu.h"
#include "i386/isa/rtc.h"

38
sys/i386/isa/fdc.h Normal file
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@ -0,0 +1,38 @@
/***********************************************************************\
* Per controller structure. *
\***********************************************************************/
struct fdc_data
{
int fdcu; /* our unit number */
int baseport;
int dmachan;
int flags;
#define FDC_ATTACHED 0x01
#define FDC_HASFTAPE 0x02
#define FDC_TAPE_BUSY 0x04
struct fd_data *fd;
int fdu; /* the active drive */
struct buf head; /* Head of buf chain */
struct buf rhead; /* Raw head of buf chain */
int state;
int retry;
int status[7]; /* copy of the registers */
};
/***********************************************************************\
* Throughout this file the following conventions will be used: *
* fd is a pointer to the fd_data struct for the drive in question *
* fdc is a pointer to the fdc_data struct for the controller *
* fdu is the floppy drive unit number *
* fdcu is the floppy controller unit number *
* fdsu is the floppy drive unit number on that controller. (sub-unit) *
\***********************************************************************/
typedef int fdu_t;
typedef int fdcu_t;
typedef int fdsu_t;
typedef struct fd_data *fd_p;
typedef struct fdc_data *fdc_p;
#define FDUNIT(s) (((s)>>6)&03)
#define FDTYPE(s) ((s)&077)

View file

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)fdreg.h 7.1 (Berkeley) 5/9/91
* $Id: fdreg.h,v 1.2 1993/10/16 13:45:50 rgrimes Exp $
* $Id: fdreg.h,v 1.3 1994/02/07 04:27:10 alm Exp $
*/
/*
@ -63,41 +63,3 @@
#define fdin 7 /* Digital Input Register (R) */
#define FDI_DCHG 0x80 /* diskette has been changed */
/***********************************************************************\
* Per controller structure. *
\***********************************************************************/
struct fdc_data
{
int fdcu; /* our unit number */
int baseport;
int dmachan;
int flags;
#define FDC_ATTACHED 0x01
#define FDC_HASFTAPE 0x02
#define FDC_TAPE_BUSY 0x04
struct fd_data *fd;
int fdu; /* the active drive */
struct buf head; /* Head of buf chain */
struct buf rhead; /* Raw head of buf chain */
int state;
int retry;
int status[7]; /* copy of the registers */
};
/***********************************************************************\
* Throughout this file the following conventions will be used: *
* fd is a pointer to the fd_data struct for the drive in question *
* fdc is a pointer to the fdc_data struct for the controller *
* fdu is the floppy drive unit number *
* fdcu is the floppy controller unit number *
* fdsu is the floppy drive unit number on that controller. (sub-unit) *
\***********************************************************************/
typedef int fdu_t;
typedef int fdcu_t;
typedef int fdsu_t;
typedef struct fd_data *fd_p;
typedef struct fdc_data *fdc_p;
#define FDUNIT(s) (((s)>>6)&03)
#define FDTYPE(s) ((s)&077)

View file

@ -68,6 +68,7 @@
#include <machine/pio.h>
#include "i386/isa/isa_device.h"
#include "i386/isa/fdreg.h"
#include "i386/isa/fdc.h"
#include "i386/isa/icu.h"
#include "i386/isa/rtc.h"
#include "ftreg.h"
@ -280,9 +281,12 @@ int ftattach(isadev, fdup)
fdcu_t fdcu = isadev->id_unit; /* fdc active unit */
fdc_p fdc = fdc_data + fdcu; /* pointer to controller structure */
ftu_t ftu = fdup->id_unit;
ft_p ft = &ft_data[ftu];
ft_p ft;
ftsu_t ftsu = fdup->id_physid;
if (ftu >= NFT)
return 0;
ft = &ft_data[ftu];
/* Probe for tape */
ft->attaching = 1;
ft->type = NO_TYPE;

View file

@ -63,6 +63,7 @@
#include "i386/isa/isa.h"
#include "i386/isa/isa_device.h"
#include "i386/isa/fdreg.h"
#include "i386/isa/fdc.h"
#include "i386/isa/icu.h"
#include "i386/isa/rtc.h"

38
sys/isa/fdc.h Normal file
View file

@ -0,0 +1,38 @@
/***********************************************************************\
* Per controller structure. *
\***********************************************************************/
struct fdc_data
{
int fdcu; /* our unit number */
int baseport;
int dmachan;
int flags;
#define FDC_ATTACHED 0x01
#define FDC_HASFTAPE 0x02
#define FDC_TAPE_BUSY 0x04
struct fd_data *fd;
int fdu; /* the active drive */
struct buf head; /* Head of buf chain */
struct buf rhead; /* Raw head of buf chain */
int state;
int retry;
int status[7]; /* copy of the registers */
};
/***********************************************************************\
* Throughout this file the following conventions will be used: *
* fd is a pointer to the fd_data struct for the drive in question *
* fdc is a pointer to the fdc_data struct for the controller *
* fdu is the floppy drive unit number *
* fdcu is the floppy controller unit number *
* fdsu is the floppy drive unit number on that controller. (sub-unit) *
\***********************************************************************/
typedef int fdu_t;
typedef int fdcu_t;
typedef int fdsu_t;
typedef struct fd_data *fd_p;
typedef struct fdc_data *fdc_p;
#define FDUNIT(s) (((s)>>6)&03)
#define FDTYPE(s) ((s)&077)

View file

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)fdreg.h 7.1 (Berkeley) 5/9/91
* $Id: fdreg.h,v 1.2 1993/10/16 13:45:50 rgrimes Exp $
* $Id: fdreg.h,v 1.3 1994/02/07 04:27:10 alm Exp $
*/
/*
@ -63,41 +63,3 @@
#define fdin 7 /* Digital Input Register (R) */
#define FDI_DCHG 0x80 /* diskette has been changed */
/***********************************************************************\
* Per controller structure. *
\***********************************************************************/
struct fdc_data
{
int fdcu; /* our unit number */
int baseport;
int dmachan;
int flags;
#define FDC_ATTACHED 0x01
#define FDC_HASFTAPE 0x02
#define FDC_TAPE_BUSY 0x04
struct fd_data *fd;
int fdu; /* the active drive */
struct buf head; /* Head of buf chain */
struct buf rhead; /* Raw head of buf chain */
int state;
int retry;
int status[7]; /* copy of the registers */
};
/***********************************************************************\
* Throughout this file the following conventions will be used: *
* fd is a pointer to the fd_data struct for the drive in question *
* fdc is a pointer to the fdc_data struct for the controller *
* fdu is the floppy drive unit number *
* fdcu is the floppy controller unit number *
* fdsu is the floppy drive unit number on that controller. (sub-unit) *
\***********************************************************************/
typedef int fdu_t;
typedef int fdcu_t;
typedef int fdsu_t;
typedef struct fd_data *fd_p;
typedef struct fdc_data *fdc_p;
#define FDUNIT(s) (((s)>>6)&03)
#define FDTYPE(s) ((s)&077)