/* * 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#define SYN_QUE_MEXT_CAPAB_10		0x10 /* synatics modes */#define SYN_BIT_ABSOLUTE_MODE		BIT(7)#define SYN_BIT_HIGH_RATE		BIT(6)#define SYN_BIT_SLEEP_MODE		BIT(3)#define SYN_BIT_DISABLE_GESTURE		BIT(2)#define SYN_BIT_FOUR_BYTE_CLIENT	BIT(1)#define SYN_BIT_W_MODE			BIT(0) /* synaptics model ID bits */#define SYN_MODEL_ROT180(m)		((m) & BIT(23))#define SYN_MODEL_PORTRAIT(m)		((m) & BIT(22))#define SYN_MODEL_SENSOR(m)		(((m) & GENMASK(21, 16)) >> 16)#define SYN_MODEL_HARDWARE(m)		(((m) & GENMASK(15, 9)) >> 9)#define SYN_MODEL_NEWABS(m)		((m) & BIT(7))#define SYN_MODEL_PEN(m)		((m) & BIT(6))#define SYN_MODEL_SIMPLIC(m)		((m) & BIT(5))#define SYN_MODEL_GEOMETRY(m)		((m) & GENMASK(3, 0)) /* synaptics capability bits */#define SYN_CAP_EXTENDED(c)		((c) & BIT(23))#define SYN_CAP_MIDDLE_BUTTON(c)	((c) & BIT(18))#define SYN_CAP_PASS_THROUGH(c)		((c) & BIT(7))#define SYN_CAP_SLEEP(c)		((c) & BIT(4))#define SYN_CAP_FOUR_BUTTON(c)		((c) & BIT(3))#define SYN_CAP_MULTIFINGER(c)		((c) & BIT(1))#define SYN_CAP_PALMDETECT(c)		((c) & BIT(0))#define SYN_CAP_SUBMODEL_ID(c)		(((c) & GENMASK(15, 8)) >> 8)#define SYN_EXT_CAP_REQUESTS(c)		(((c) & GENMASK(22, 20)) >> 20)#define SYN_CAP_MB_MASK			GENMASK(15, 12)#define SYN_CAP_MULTI_BUTTON_NO(ec)	(((ec) & SYN_CAP_MB_MASK) >> 12)#define SYN_CAP_PRODUCT_ID(ec)		(((ec) & GENMASK(23, 16)) >> 16)#define SYN_MEXT_CAP_BIT(m)		((m) & BIT(1)) /* * 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	0x01	uniform clickpad	whole clickpad moves instead of being *					hinged at the top. * 2	0x20	report min		query 0x0f gives min coord reported */#define SYN_CAP_CLICKPAD(ex0c)		((ex0c) & BIT(20)) /* 1-button ClickPad */#define SYN_CAP_CLICKPAD2BTN(ex0c)	((ex0c) & BIT(8))  /* 2-button ClickPad */#define SYN_CAP_MAX_DIMENSIONS(ex0c)	((ex0c) & BIT(17))#define SYN_CAP_MIN_DIMENSIONS(ex0c)	((ex0c) & BIT(13))#define SYN_CAP_ADV_GESTURE(ex0c)	((ex0c) & BIT(19))#define SYN_CAP_REDUCED_FILTERING(ex0c)	((ex0c) & BIT(10))#define SYN_CAP_IMAGE_SENSOR(ex0c)	((ex0c) & BIT(11))#define SYN_CAP_INTERTOUCH(ex0c)	((ex0c) & BIT(14)) /* * The following descibes response for the 0x10 query. * * byte	mask	name			meaning * ----	----	-------			------------ * 1	0x01	ext buttons are stick	buttons exported in the extended *					capability are actually meant to be used *					by the tracktick (pass-through). * 1	0x02	SecurePad		the touchpad is a SecurePad, so it *					contains a built-in fingerprint reader. * 1	0xe0	more ext count		how many more extented queries are *					available after this one. * 2	0xff	SecurePad width		the width of the SecurePad fingerprint *					reader. * 3	0xff	SecurePad height	the height of the SecurePad fingerprint *					reader. */#define SYN_CAP_EXT_BUTTONS_STICK(ex10)	((ex10) & BIT(16))#define SYN_CAP_SECUREPAD(ex10)		((ex10) & BIT(17)) #define SYN_EXT_BUTTON_STICK_L(eb)	(((eb) & BIT(0)) >> 0)#define SYN_EXT_BUTTON_STICK_M(eb)	(((eb) & BIT(1)) >> 1)#define SYN_EXT_BUTTON_STICK_R(eb)	(((eb) & BIT(2)) >> 2) /* synaptics modes query bits */#define SYN_MODE_ABSOLUTE(m)		((m) & BIT(7))#define SYN_MODE_RATE(m)		((m) & BIT(6))#define SYN_MODE_BAUD_SLEEP(m)		((m) & BIT(3))#define SYN_MODE_DISABLE_GESTURE(m)	((m) & BIT(2))#define SYN_MODE_PACKSIZE(m)		((m) & BIT(1))#define SYN_MODE_WMODE(m)		((m) & BIT(0)) /* synaptics identify query bits */#define SYN_ID_MODEL(i)			(((i) & GENMASK(7, 4)) >> 4)#define SYN_ID_MAJOR(i)			(((i) & GENMASK(3, 0)) >> 0)#define SYN_ID_MINOR(i)			(((i) & GENMASK(23, 16)) >> 16)#define SYN_ID_FULL(i)			((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i))#define SYN_ID_IS_SYNAPTICS(i)		(((i) & GENMASK(15, 8)) == 0x004700U)#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 /* amount to fuzz position data when touchpad reports reduced filtering */#define SYN_REDUCED_FILTER_FUZZ		8 /* synaptics packet types */enum synaptics_pkt_type {	SYN_NEWABS,	SYN_NEWABS_STRICT,	SYN_NEWABS_RELAXED,	SYN_OLDABS,}; /* * 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;	u8 ext_buttons;	s8 scroll;}; /* Data read from the touchpad */struct synaptics_device_info {	u32 model_id;		/* Model-ID */	u32 firmware_id;	/* Firmware-ID */	u32 board_id;		/* Board-ID */	u32 capabilities;	/* Capabilities */	u32 ext_cap;		/* Extended Capabilities */	u32 ext_cap_0c;		/* Ext Caps from 0x0c query */	u32 ext_cap_10;		/* Ext Caps from 0x10 query */	u32 identity;		/* Identification */	u32 x_res, y_res;	/* X/Y resolution in units/mm */	u32 x_max, y_max;	/* Max coordinates (from FW) */	u32 x_min, y_min;	/* Min coordinates (from FW) */}; struct synaptics_data {	struct synaptics_device_info info; 	enum synaptics_pkt_type pkt_type;	/* packet type - old, new, etc */	u8 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 */ 	/*	 * 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;	unsigned int agm_count;			/* finger count reported by agm */ 	/* ForcePad handling */	unsigned long				press_start;	bool					press;	bool					report_press;	bool					is_forcepad;}; void synaptics_module_init(void);int synaptics_detect(struct psmouse *psmouse, bool set_properties);int synaptics_init_absolute(struct psmouse *psmouse);int synaptics_init_relative(struct psmouse *psmouse);int synaptics_init_smbus(struct psmouse *psmouse);int synaptics_init(struct psmouse *psmouse);void synaptics_reset(struct psmouse *psmouse); #endif /* _SYNAPTICS_H */