| /* | 
 |  * 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 */ |