diff options
Diffstat (limited to 'include/linux/joystick.h')
| -rw-r--r-- | include/linux/joystick.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/linux/joystick.h b/include/linux/joystick.h new file mode 100644 index 000000000..a9a56273d --- /dev/null +++ b/include/linux/joystick.h @@ -0,0 +1,61 @@ +#ifndef _LINUX_JOYSTICK_H +#define _LINUX_JOYSTICK_H + +#define JS_RETURN sizeof(struct js_status) /*number of bytes returned by js_read*/ +#define JS_TRUE 1 +#define JS_FALSE 0 +#define JS_PORT 0x201 /*io port for joystick operations*/ +#define JS_DEF_TIMEOUT 0x1300 /*default timeout value for js_read()*/ +#define JS_DEF_CORR 0 /*default correction factor*/ +#define JS_DEF_TIMELIMIT 10L /*default data valid time =10 jiffies == 100ms*/ +#define JS_X_0 0x01 /*bit mask for x-axis js0*/ +#define JS_Y_0 0x02 /*bit mask for y-axis js0*/ +#define JS_X_1 0x04 /*bit mask for x-axis js1*/ +#define JS_Y_1 0x08 /*bit mask for y-axis js1*/ +#define JS_MAX 2 /*Max number of joysticks*/ +#define PIT_MODE 0x43 /*io port for timer 0*/ +#define PIT_COUNTER_0 0x40 /*io port for timer 0*/ +#define JSIOCSCAL 0x01 /*ioctl cmd to set joystick correction factor*/ +#define JSIOCGCAL 0x02 /*ioctl cmd to get joystick correction factor*/ +#define JSIOCSTIMEOUT 0x03 /*ioctl cmd to set maximum number of iterations + to wait for a timeout*/ +#define JSIOCGTIMEOUT 0x04 /*as above, to get*/ +#define JSIOCSTIMELIMIT 0x05 /*set data retention time*/ +#define JSIOCGTIMELIMIT 0x06 /*get data retention time*/ +#define JSIOCGCONFIG 0x07 /*get the whole js_data[minor] struct*/ +#define JSIOCSCONFIG 0x08 /*set the whole js_data[minor] struct + except js_busy!*/ + +/* + * This union is used for the ioctl to set the scaling factor and to + * return the current values for a joystick. 'buttons' is ignored on + * the ioctl call + */ + +struct js_status +{ + int buttons; + int x; + int y; +}; + +/* + * This struct is used for misc data about the joystick + */ + +struct js_config +{ + int js_timeout; /*timeout*/ + int busy; /*joystick is in use*/ + long js_expiretime; /*Time when stick after which stick must be re-read*/ + long js_timelimit; /*Max time before data is invalid*/ + struct js_status js_save; /*last read data*/ + struct js_status js_corr; /*correction factor*/ +}; + +#define LATCH (1193180L/HZ) /*initial timer 0 value*/ +#define DELTA_TIME(X,Y) ((X)-(Y)+(((X)>=(Y))?0:LATCH)) + +extern int joystick_init(void); + +#endif /* _LINUX_JOYSTICK_H */ |