1 files changed, 73 insertions, 29 deletions

diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index 8c83b8e2505c..38855e425f01 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -44,21 +44,60 @@ enum psmouse_scale {
 	PSMOUSE_SCALE21
 };
 
+enum psmouse_type {
+	PSMOUSE_NONE,
+	PSMOUSE_PS2,
+	PSMOUSE_PS2PP,
+	PSMOUSE_THINKPS,
+	PSMOUSE_GENPS,
+	PSMOUSE_IMPS,
+	PSMOUSE_IMEX,
+	PSMOUSE_SYNAPTICS,
+	PSMOUSE_ALPS,
+	PSMOUSE_LIFEBOOK,
+	PSMOUSE_TRACKPOINT,
+	PSMOUSE_TOUCHKIT_PS2,
+	PSMOUSE_CORTRON,
+	PSMOUSE_HGPK,
+	PSMOUSE_ELANTECH,
+	PSMOUSE_FSP,
+	PSMOUSE_SYNAPTICS_RELATIVE,
+	PSMOUSE_CYPRESS,
+	PSMOUSE_FOCALTECH,
+	PSMOUSE_VMMOUSE,
+	PSMOUSE_BYD,
+	PSMOUSE_SYNAPTICS_SMBUS,
+	PSMOUSE_AUTO		/* This one should always be last */
+};
+
+struct psmouse;
+
+struct psmouse_protocol {
+	enum psmouse_type type;
+	bool maxproto;
+	bool ignore_parity; /* Protocol should ignore parity errors from KBC */
+	bool try_passthru; /* Try protocol also on passthrough ports */
+	bool smbus_companion; /* "Protocol" is a stub, device is on SMBus */
+	const char *name;
+	const char *alias;
+	int (*detect)(struct psmouse *, bool);
+	int (*init)(struct psmouse *);
+};
+
 struct psmouse {
 	void *private;
 	struct input_dev *dev;
 	struct ps2dev ps2dev;
 	struct delayed_work resync_work;
-	char *vendor;
-	char *name;
+	const char *vendor;
+	const char *name;
+	const struct psmouse_protocol *protocol;
 	unsigned char packet[8];
 	unsigned char badbyte;
 	unsigned char pktcnt;
 	unsigned char pktsize;
-	unsigned char type;
 	unsigned char oob_data_type;
 	unsigned char extra_buttons;
-	bool ignore_parity;
 	bool acks_disable_command;
 	unsigned int model;
 	unsigned long last;
@@ -80,6 +119,7 @@ struct psmouse {
 	void (*set_scale)(struct psmouse *psmouse, enum psmouse_scale scale);
 
 	int (*reconnect)(struct psmouse *psmouse);
+	int (*fast_reconnect)(struct psmouse *psmouse);
 	void (*disconnect)(struct psmouse *psmouse);
 	void (*cleanup)(struct psmouse *psmouse);
 	int (*poll)(struct psmouse *psmouse);
@@ -88,31 +128,6 @@ struct psmouse {
 	void (*pt_deactivate)(struct psmouse *psmouse);
 };
 
-enum psmouse_type {
-	PSMOUSE_NONE,
-	PSMOUSE_PS2,
-	PSMOUSE_PS2PP,
-	PSMOUSE_THINKPS,
-	PSMOUSE_GENPS,
-	PSMOUSE_IMPS,
-	PSMOUSE_IMEX,
-	PSMOUSE_SYNAPTICS,
-	PSMOUSE_ALPS,
-	PSMOUSE_LIFEBOOK,
-	PSMOUSE_TRACKPOINT,
-	PSMOUSE_TOUCHKIT_PS2,
-	PSMOUSE_CORTRON,
-	PSMOUSE_HGPK,
-	PSMOUSE_ELANTECH,
-	PSMOUSE_FSP,
-	PSMOUSE_SYNAPTICS_RELATIVE,
-	PSMOUSE_CYPRESS,
-	PSMOUSE_FOCALTECH,
-	PSMOUSE_VMMOUSE,
-	PSMOUSE_BYD,
-	PSMOUSE_AUTO		/* This one should always be last */
-};
-
 void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
 		unsigned long delay);
 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
@@ -195,5 +210,34 @@ static struct psmouse_attribute psmouse_attr_##_name = {			\
 		   &(psmouse)->ps2dev.serio->dev,	\
 		   psmouse_fmt(format), ##__VA_ARGS__)
 
+#ifdef CONFIG_MOUSE_PS2_SMBUS
+
+int psmouse_smbus_module_init(void);
+void psmouse_smbus_module_exit(void);
+
+struct i2c_board_info;
+
+int psmouse_smbus_init(struct psmouse *psmouse,
+		       const struct i2c_board_info *board,
+		       const void *pdata, size_t pdata_size,
+		       bool leave_breadcrumbs);
+void psmouse_smbus_cleanup(struct psmouse *psmouse);
+
+#else /* !CONFIG_MOUSE_PS2_SMBUS */
+
+static inline int psmouse_smbus_module_init(void)
+{
+	return 0;
+}
+
+static inline void psmouse_smbus_module_exit(void)
+{
+}
+
+static inline void psmouse_smbus_cleanup(struct psmouse *psmouse)
+{
+}
+
+#endif /* CONFIG_MOUSE_PS2_SMBUS */
 
 #endif /* _PSMOUSE_H */