Initial import

1 files changed, 209 insertions, 0 deletions

diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
new file mode 100644
index 000000000..c20f32c68
--- /dev/null
+++ b/drivers/input/mouse/synaptics.h
@@ -0,0 +1,209 @@
+/*
+ * 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		(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)
+#define SYN_MEXT_CAP_BIT(m)		((m) & (1 << 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) & 0x100000) /* 1-button ClickPad */
+#define SYN_CAP_CLICKPAD2BTN(ex0c)	((ex0c) & 0x000100) /* 2-button ClickPad */
+#define SYN_CAP_CLICKPAD2BTN2(ex0c)	((ex0c) & 0x200000) /* 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)
+
+/*
+ * 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) & 0x010000)
+#define SYN_CAP_SECUREPAD(ex10)		((ex10) & 0x020000)
+
+#define SYN_CAP_EXT_BUTTON_STICK_L(eb)	(!!((eb) & 0x01))
+#define SYN_CAP_EXT_BUTTON_STICK_M(eb)	(!!((eb) & 0x02))
+#define SYN_CAP_EXT_BUTTON_STICK_R(eb)	(!!((eb) & 0x04))
+
+/* 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 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;
+};
+
+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 ext_cap_10;		/* Ext Caps from 0x10 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 */
+	unsigned char pt_buttons;		/* Pass-through buttons */
+
+	/*
+	 * 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(struct psmouse *psmouse);
+int synaptics_init_relative(struct psmouse *psmouse);
+void synaptics_reset(struct psmouse *psmouse);
+
+#endif /* _SYNAPTICS_H */