/* * Synaptics TouchPad PS/2 mouse driver * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. */ #ifndef _SYNAPTICS_H#define _SYNAPTICS_H /* synaptics queries */#define SYN_QUE_IDENTIFY		0x00#define SYN_QUE_MODES			0x01#define SYN_QUE_CAPABILITIES		0x02#define SYN_QUE_MODEL			0x03#define SYN_QUE_SERIAL_NUMBER_PREFIX	0x06#define SYN_QUE_SERIAL_NUMBER_SUFFIX	0x07#define SYN_QUE_RESOLUTION		0x08#define SYN_QUE_EXT_CAPAB		0x09#define SYN_QUE_FIRMWARE_ID		0x0a#define SYN_QUE_EXT_CAPAB_0C		0x0c#define SYN_QUE_EXT_MAX_COORDS		0x0d#define SYN_QUE_EXT_MIN_COORDS		0x0f /* synatics modes */#define SYN_BIT_ABSOLUTE_MODE		(1 << 7)#define SYN_BIT_HIGH_RATE		(1 << 6)#define SYN_BIT_SLEEP_MODE		(1 << 3)#define SYN_BIT_DISABLE_GESTURE		(1 << 2)#define SYN_BIT_FOUR_BYTE_CLIENT	(1 << 1)#define SYN_BIT_W_MODE			(1 << 0) /* synaptics model ID bits */#define SYN_MODEL_ROT180(m)		((m) & (1 << 23))#define SYN_MODEL_PORTRAIT(m)		((m) & (1 << 22))#define SYN_MODEL_SENSOR(m)		(((m) >> 16) & 0x3f)#define SYN_MODEL_HARDWARE(m)		(((m) >> 9) & 0x7f)#define SYN_MODEL_NEWABS(m)		((m) & (1 << 7))#define SYN_MODEL_PEN(m)		((m) & (1 << 6))#define SYN_MODEL_SIMPLIC(m)		((m) & (1 << 5))#define SYN_MODEL_GEOMETRY(m)		((m) & 0x0f) /* synaptics capability bits */#define SYN_CAP_EXTENDED(c)		((c) & (1 << 23))#define SYN_CAP_MIDDLE_BUTTON(c)	((c) & (1 << 18))#define SYN_CAP_PASS_THROUGH(c)		((c) & (1 << 7))#define SYN_CAP_SLEEP(c)		((c) & (1 << 4))#define SYN_CAP_FOUR_BUTTON(c)		((c) & (1 << 3))#define SYN_CAP_MULTIFINGER(c)		((c) & (1 << 1))#define SYN_CAP_PALMDETECT(c)		((c) & (1 << 0))#define SYN_CAP_SUBMODEL_ID(c)		(((c) & 0x00ff00) >> 8)#define SYN_EXT_CAP_REQUESTS(c)		(((c) & 0x700000) >> 20)#define SYN_CAP_MULTI_BUTTON_NO(ec)	(((ec) & 0x00f000) >> 12)#define SYN_CAP_PRODUCT_ID(ec)		(((ec) & 0xff0000) >> 16) /* * The following describes response for the 0x0c query. * * byte	mask	name			meaning * ----	----	-------			------------ * 1	0x01	adjustable threshold	capacitive button sensitivity *					can be adjusted * 1	0x02	report max		query 0x0d gives max coord reported * 1	0x04	clearpad		sensor is ClearPad product * 1	0x08	advanced gesture	not particularly meaningful * 1	0x10	clickpad bit 0		1-button ClickPad * 1	0x60	multifinger mode	identifies firmware finger counting *					(not reporting!) algorithm. *					Not particularly meaningful * 1	0x80	covered pad		W clipped to 14, 15 == pad mostly covered * 2	0x01	clickpad bit 1		2-button ClickPad * 2	0x02	deluxe LED controls	touchpad support LED commands *					ala multimedia control bar * 2	0x04	reduced filtering	firmware does less filtering on *					position data, driver should watch *					for noise. * 2	0x08	image sensor		image sensor tracks 5 fingers, but only *					reports 2. * 2	0x20	report min		query 0x0f gives min coord reported */#define SYN_CAP_CLICKPAD(ex0c)		((ex0c) & 0x100000) /* 1-button ClickPad */#define SYN_CAP_CLICKPAD2BTN(ex0c)	((ex0c) & 0x000100) /* 2-button ClickPad */#define SYN_CAP_MAX_DIMENSIONS(ex0c)	((ex0c) & 0x020000)#define SYN_CAP_MIN_DIMENSIONS(ex0c)	((ex0c) & 0x002000)#define SYN_CAP_ADV_GESTURE(ex0c)	((ex0c) & 0x080000)#define SYN_CAP_REDUCED_FILTERING(ex0c)	((ex0c) & 0x000400)#define SYN_CAP_IMAGE_SENSOR(ex0c)	((ex0c) & 0x000800) /* synaptics modes query bits */#define SYN_MODE_ABSOLUTE(m)		((m) & (1 << 7))#define SYN_MODE_RATE(m)		((m) & (1 << 6))#define SYN_MODE_BAUD_SLEEP(m)		((m) & (1 << 3))#define SYN_MODE_DISABLE_GESTURE(m)	((m) & (1 << 2))#define SYN_MODE_PACKSIZE(m)		((m) & (1 << 1))#define SYN_MODE_WMODE(m)		((m) & (1 << 0)) /* synaptics identify query bits */#define SYN_ID_MODEL(i)			(((i) >> 4) & 0x0f)#define SYN_ID_MAJOR(i)			((i) & 0x0f)#define SYN_ID_MINOR(i)			(((i) >> 16) & 0xff)#define SYN_ID_FULL(i)			((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i))#define SYN_ID_IS_SYNAPTICS(i)		((((i) >> 8) & 0xff) == 0x47)#define SYN_ID_DISGEST_SUPPORTED(i)	(SYN_ID_MAJOR(i) >= 4) /* synaptics special commands */#define SYN_PS_SET_MODE2		0x14#define SYN_PS_CLIENT_CMD		0x28 /* synaptics packet types */#define SYN_NEWABS			0#define SYN_NEWABS_STRICT		1#define SYN_NEWABS_RELAXED		2#define SYN_OLDABS			3 /* amount to fuzz position data when touchpad reports reduced filtering */#define SYN_REDUCED_FILTER_FUZZ		8 /* * A structure to describe which internal touchpad finger slots are being * reported in raw packets. */struct synaptics_mt_state {	int count;			/* num fingers being tracked */	int sgm;			/* which slot is reported by sgm pkt */	int agm;			/* which slot is reported by agm pkt*/}; /* * A structure to describe the state of the touchpad hardware (buttons and pad) */struct synaptics_hw_state {	int x;	int y;	int z;	int w;	unsigned int left:1;	unsigned int right:1;	unsigned int middle:1;	unsigned int up:1;	unsigned int down:1;	unsigned char ext_buttons;	signed char scroll; 	/* As reported in last AGM-CONTACT packets */	struct synaptics_mt_state mt_state;}; struct synaptics_data {	/* Data read from the touchpad */	unsigned long int model_id;		/* Model-ID */	unsigned long int firmware_id;		/* Firmware-ID */	unsigned long int board_id;		/* Board-ID */	unsigned long int capabilities;		/* Capabilities */	unsigned long int ext_cap;		/* Extended Capabilities */	unsigned long int ext_cap_0c;		/* Ext Caps from 0x0c query */	unsigned long int identity;		/* Identification */	unsigned int x_res, y_res;		/* X/Y resolution in units/mm */	unsigned int x_max, y_max;		/* Max coordinates (from FW) */	unsigned int x_min, y_min;		/* Min coordinates (from FW) */ 	unsigned char pkt_type;			/* packet type - old, new, etc */	unsigned char mode;			/* current mode byte */	int scroll; 	bool absolute_mode;			/* run in Absolute mode */	bool disable_gesture;			/* disable gestures */ 	struct serio *pt_port;			/* Pass-through serio port */ 	struct synaptics_mt_state mt_state;	/* Current mt finger state */	bool mt_state_lost;			/* mt_state may be incorrect */ 	/*	 * Last received Advanced Gesture Mode (AGM) packet. An AGM packet	 * contains position data for a second contact, at half resolution.	 */	struct synaptics_hw_state agm;	bool agm_pending;			/* new AGM packet received */}; void synaptics_module_init(void);int synaptics_detect(struct psmouse *psmouse, bool set_properties);int synaptics_init(struct psmouse *psmouse);int synaptics_init_relative(struct psmouse *psmouse);void synaptics_reset(struct psmouse *psmouse);bool synaptics_supported(void); #endif /* _SYNAPTICS_H */