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Kirill Smelkov
linux
Commits
7f125092
Commit
7f125092
authored
Jul 03, 2002
by
Vojtech Pavlik
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Update the gameport drivers to Dave Jones's tree.
parent
f9fc1633
Changes
1
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1 changed file
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24 additions
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4 deletions
+24
-4
drivers/input/gameport/gameport.c
drivers/input/gameport/gameport.c
+24
-4
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drivers/input/gameport/gameport.c
View file @
7f125092
...
...
@@ -54,16 +54,36 @@ EXPORT_SYMBOL(gameport_cooked_read);
static
struct
gameport
*
gameport_list
;
static
struct
gameport_dev
*
gameport_dev
;
#ifdef __i386__
#define DELTA(x,y) ((y)-(x)+((y)<(x)?1193180/HZ:0))
#define GET_TIME(x) do { x = get_time_pit(); } while (0)
static
unsigned
int
get_time_pit
(
void
)
{
extern
spinlock_t
i8253_lock
;
unsigned
long
flags
;
unsigned
int
count
;
spin_lock_irqsave
(
&
i8253_lock
,
flags
);
outb_p
(
0x00
,
0x43
);
count
=
inb_p
(
0x40
);
count
|=
inb_p
(
0x40
)
<<
8
;
spin_unlock_irqrestore
(
&
i8253_lock
,
flags
);
return
count
;
}
#endif
/*
* gameport_measure_speed() measures the gameport i/o speed.
*/
static
int
gameport_measure_speed
(
struct
gameport
*
gameport
)
{
#if defined(__i386__) || defined(__x86_64__)
#define GET_TIME(x) do { outb(0, 0x43); x = inb(0x40); x |= inb(0x40) << 8; } while (0)
#define DELTA(x,y) ((y)-(x)+((y)<(x)?1193180L/HZ:0))
#ifdef __i386__
unsigned
int
i
,
t
,
t1
,
t2
,
t3
,
tx
;
unsigned
long
flags
;
...
...
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