#ifndef _LINUX_BUSMOUSE_H#define _LINUX_BUSMOUSE_H/* * linux/include/linux/mouse.h: header file for Logitech Bus Mouse driver * by James Banks * * based on information gleamed from various mouse drivers on the net * * Heavily modified by David giller (rafetmad@oxy.edu) * * Minor modifications for Linux 0.96c-pl1 by Nathan Laredo * gt7080a@prism.gatech.edu (13JUL92) * * Microsoft BusMouse support by Teemu Rantanen (tvr@cs.hut.fi) (02AUG92) * * Microsoft Bus Mouse support modified by Derrick Cole (cole@concert.net) *    8/28/92 * * Microsoft Bus Mouse support folded into 0.97pl4 code *    by Peter Cervasio (pete%q106fm.uucp@wupost.wustl.edu) (08SEP92) * Changes:  Logitech and Microsoft support in the same kernel. *           Defined new constants in busmouse.h for MS mice. *           Added int mse_busmouse_type to distinguish busmouse types *           Added a couple of new functions to handle differences in using *             MS vs. Logitech (where the int variable wasn't appropriate). * */#define MOUSE_IRQ		5#define LOGITECH_BUSMOUSE       0   /* Minor device # for Logitech  */#define MICROSOFT_BUSMOUSE      2   /* Minor device # for Microsoft *//*--------- LOGITECH BUSMOUSE ITEMS -------------*/#define	MSE_DATA_PORT		0x23c#define	MSE_SIGNATURE_PORT	0x23d#define	MSE_CONTROL_PORT	0x23e#define MSE_INTERRUPT_PORT	0x23e#define	MSE_CONFIG_PORT		0x23f#define	MSE_ENABLE_INTERRUPTS	0x00#define	MSE_DISABLE_INTERRUPTS	0x10#define	MSE_READ_X_LOW		0x80#define	MSE_READ_X_HIGH		0xa0#define	MSE_READ_Y_LOW		0xc0#define	MSE_READ_Y_HIGH		0xe0/* Magic number used to check if the mouse exists */#define MSE_CONFIG_BYTE		0x91#define MSE_DEFAULT_MODE	0x90#define MSE_SIGNATURE_BYTE	0xa5/* useful Logitech Mouse macros */#define MSE_INT_OFF()	outb(MSE_DISABLE_INTERRUPTS, MSE_CONTROL_PORT)#define MSE_INT_ON()	outb(MSE_ENABLE_INTERRUPTS, MSE_CONTROL_PORT)/*--------- MICROSOFT BUSMOUSE ITEMS -------------*/#define	MS_MSE_DATA_PORT	        0x23d#define	MS_MSE_SIGNATURE_PORT	        0x23e#define	MS_MSE_CONTROL_PORT	        0x23c#define	MS_MSE_CONFIG_PORT		0x23f#define	MS_MSE_ENABLE_INTERRUPTS	0x11#define	MS_MSE_DISABLE_INTERRUPTS	0x10#define	MS_MSE_READ_BUTTONS             0x00#define	MS_MSE_READ_X		        0x01#define	MS_MSE_READ_Y                   0x02#define MS_MSE_START                    0x80#define MS_MSE_COMMAND_MODE             0x07/* useful microsoft busmouse macros */#define MS_MSE_INT_OFF() {outb(MS_MSE_COMMAND_MODE, MS_MSE_CONTROL_PORT); \			    outb(MS_MSE_DISABLE_INTERRUPTS, MS_MSE_DATA_PORT);}#define MS_MSE_INT_ON()  {outb(MS_MSE_COMMAND_MODE, MS_MSE_CONTROL_PORT); \			    outb(MS_MSE_ENABLE_INTERRUPTS, MS_MSE_DATA_PORT);} struct mouse_status {	unsigned char	buttons;	unsigned char	latch_buttons;	int		dx;	int		dy;		int 		present;	int		ready;	int		active;	struct wait_queue *wait;};/* Function Prototypes */extern long mouse_init(long);#endif