Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
L
linux
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
nexedi
linux
Commits
46530a99
Commit
46530a99
authored
May 24, 2003
by
Alexander Viro
Committed by
Linus Torvalds
May 24, 2003
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
[PATCH] pt.c macroectomy
Remove cpp abuses - same as had been done for pd/pf/pcd.
parent
59ff0dc7
Changes
1
Hide whitespace changes
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
);
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment