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Kirill Smelkov
linux
Commits
46530a99
Commit
46530a99
authored
May 24, 2003
by
Alexander Viro
Committed by
Linus Torvalds
May 24, 2003
Browse files
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Plain Diff
[PATCH] pt.c macroectomy
Remove cpp abuses - same as had been done for pd/pf/pcd.
parent
59ff0dc7
Changes
1
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Inline
Side-by-side
Showing
1 changed file
with
40 additions
and
28 deletions
+40
-28
drivers/block/paride/pt.c
drivers/block/paride/pt.c
+40
-28
No files found.
drivers/block/paride/pt.c
View file @
46530a99
...
...
@@ -285,8 +285,20 @@ void pt_init_units( void )
}
}
#define WR(c,r,v) pi_write_regr(PI,c,r,v)
#define RR(c,r) (pi_read_regr(PI,c,r))
static
inline
int
status_reg
(
int
unit
)
{
return
pi_read_regr
(
PI
,
1
,
6
);
}
static
inline
int
read_reg
(
int
unit
,
int
reg
)
{
return
pi_read_regr
(
PI
,
0
,
reg
);
}
static
inline
void
write_reg
(
int
unit
,
int
reg
,
int
val
)
{
pi_write_regr
(
PI
,
0
,
reg
,
val
);
}
#define DRIVE (0xa0+0x10*PT.drive)
...
...
@@ -295,13 +307,13 @@ static int pt_wait( int unit, int go, int stop, char * fun, char * msg )
{
int
j
,
r
,
e
,
s
,
p
;
j
=
0
;
while
((((
r
=
RR
(
1
,
6
))
&
go
)
||
(
stop
&&
(
!
(
r
&
stop
))))
&&
(
j
++<
PT_SPIN
))
while
((((
r
=
status_reg
(
unit
))
&
go
)
||
(
stop
&&
(
!
(
r
&
stop
))))
&&
(
j
++<
PT_SPIN
))
udelay
(
PT_SPIN_DEL
);
if
((
r
&
(
STAT_ERR
&
stop
))
||
(
j
>=
PT_SPIN
))
{
s
=
RR
(
0
,
7
);
e
=
RR
(
0
,
1
);
p
=
RR
(
0
,
2
);
s
=
read_reg
(
unit
,
7
);
e
=
read_reg
(
unit
,
1
);
p
=
read_reg
(
unit
,
2
);
if
(
j
>=
PT_SPIN
)
e
|=
0x100
;
if
(
fun
)
printk
(
"%s: %s %s: alt=0x%x stat=0x%x err=0x%x"
" loop=%d phase=%d
\n
"
,
...
...
@@ -315,23 +327,23 @@ static int pt_command( int unit, char * cmd, int dlen, char * fun )
{
pi_connect
(
PI
);
WR
(
0
,
6
,
DRIVE
);
write_reg
(
unit
,
6
,
DRIVE
);
if
(
pt_wait
(
unit
,
STAT_BUSY
|
STAT_DRQ
,
0
,
fun
,
"before command"
))
{
pi_disconnect
(
PI
);
return
-
1
;
}
WR
(
0
,
4
,
dlen
%
256
);
WR
(
0
,
5
,
dlen
/
256
);
WR
(
0
,
7
,
0xa0
);
/* ATAPI packet command */
write_reg
(
unit
,
4
,
dlen
%
256
);
write_reg
(
unit
,
5
,
dlen
/
256
);
write_reg
(
unit
,
7
,
0xa0
);
/* ATAPI packet command */
if
(
pt_wait
(
unit
,
STAT_BUSY
,
STAT_DRQ
,
fun
,
"command DRQ"
))
{
pi_disconnect
(
PI
);
return
-
1
;
}
if
(
RR
(
0
,
2
)
!=
1
)
{
if
(
read_reg
(
unit
,
2
)
!=
1
)
{
printk
(
"%s: %s: command phase error
\n
"
,
PT
.
name
,
fun
);
pi_disconnect
(
PI
);
return
-
1
;
...
...
@@ -349,9 +361,9 @@ static int pt_completion( int unit, char * buf, char * fun )
r
=
pt_wait
(
unit
,
STAT_BUSY
,
STAT_DRQ
|
STAT_READY
|
STAT_ERR
,
fun
,
"completion"
);
if
(
RR
(
0
,
7
)
&
STAT_DRQ
)
{
n
=
(((
RR
(
0
,
4
)
+
256
*
RR
(
0
,
5
))
+
3
)
&
0xfffc
);
p
=
RR
(
0
,
2
)
&
3
;
if
(
read_reg
(
unit
,
7
)
&
STAT_DRQ
)
{
n
=
(((
read_reg
(
unit
,
4
)
+
256
*
read_reg
(
unit
,
5
))
+
3
)
&
0xfffc
);
p
=
read_reg
(
unit
,
2
)
&
3
;
if
(
p
==
0
)
pi_write_block
(
PI
,
buf
,
n
);
if
(
p
==
2
)
pi_read_block
(
PI
,
buf
,
n
);
}
...
...
@@ -409,9 +421,9 @@ static int pt_poll_dsc( int unit, int pause, int tmo, char *msg )
pt_sleep
(
pause
);
k
++
;
pi_connect
(
PI
);
WR
(
0
,
6
,
DRIVE
);
s
=
RR
(
0
,
7
);
e
=
RR
(
0
,
1
);
write_reg
(
unit
,
6
,
DRIVE
);
s
=
read_reg
(
unit
,
7
);
e
=
read_reg
(
unit
,
1
);
pi_disconnect
(
PI
);
if
(
s
&
(
STAT_ERR
|
STAT_SEEK
))
break
;
}
...
...
@@ -456,21 +468,21 @@ static int pt_reset( int unit )
int
expect
[
5
]
=
{
1
,
1
,
1
,
0x14
,
0xeb
};
pi_connect
(
PI
);
WR
(
0
,
6
,
DRIVE
);
WR
(
0
,
7
,
8
);
write_reg
(
unit
,
6
,
DRIVE
);
write_reg
(
unit
,
7
,
8
);
pt_sleep
(
20
*
HZ
/
1000
);
k
=
0
;
while
((
k
++
<
PT_RESET_TMO
)
&&
(
RR
(
1
,
6
)
&
STAT_BUSY
))
while
((
k
++
<
PT_RESET_TMO
)
&&
(
status_reg
(
unit
)
&
STAT_BUSY
))
pt_sleep
(
HZ
/
10
);
flg
=
1
;
for
(
i
=
0
;
i
<
5
;
i
++
)
flg
&=
(
RR
(
0
,
i
+
1
)
==
expect
[
i
]);
for
(
i
=
0
;
i
<
5
;
i
++
)
flg
&=
(
read_reg
(
unit
,
i
+
1
)
==
expect
[
i
]);
if
(
verbose
)
{
printk
(
"%s: Reset (%d) signature = "
,
PT
.
name
,
k
);
for
(
i
=
0
;
i
<
5
;
i
++
)
printk
(
"%3x"
,
RR
(
0
,
i
+
1
));
for
(
i
=
0
;
i
<
5
;
i
++
)
printk
(
"%3x"
,
read_reg
(
unit
,
i
+
1
));
if
(
!
flg
)
printk
(
" (incorrect)"
);
printk
(
"
\n
"
);
}
...
...
@@ -767,12 +779,12 @@ static ssize_t pt_read(struct file * filp, char * buf,
if
(
r
)
PT
.
flags
|=
PT_EOF
;
s
=
RR
(
0
,
7
);
s
=
read_reg
(
unit
,
7
);
if
(
!
(
s
&
STAT_DRQ
))
break
;
n
=
(
RR
(
0
,
4
)
+
256
*
RR
(
0
,
5
));
p
=
(
RR
(
0
,
2
)
&
3
);
n
=
(
read_reg
(
unit
,
4
)
+
256
*
read_reg
(
unit
,
5
));
p
=
(
read_reg
(
unit
,
2
)
&
3
);
if
(
p
!=
2
)
{
pi_disconnect
(
PI
);
printk
(
"%s: Phase error on read: %d
\n
"
,
PT
.
name
,
p
);
...
...
@@ -856,12 +868,12 @@ static ssize_t pt_write(struct file * filp, const char * buf,
if
(
r
)
PT
.
flags
|=
PT_EOF
;
s
=
RR
(
0
,
7
);
s
=
read_reg
(
unit
,
7
);
if
(
!
(
s
&
STAT_DRQ
))
break
;
n
=
(
RR
(
0
,
4
)
+
256
*
RR
(
0
,
5
));
p
=
(
RR
(
0
,
2
)
&
3
);
n
=
(
read_reg
(
unit
,
4
)
+
256
*
read_reg
(
unit
,
5
));
p
=
(
read_reg
(
unit
,
2
)
&
3
);
if
(
p
!=
0
)
{
pi_disconnect
(
PI
);
printk
(
"%s: Phase error on write: %d
\n
"
,
PT
.
name
,
p
);
...
...
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