1 files changed, 106 insertions, 0 deletions

diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
new file mode 100644
index 000000000000..bda5b065d03c
--- /dev/null
+++ b/drivers/input/mouse/psmouse.h
@@ -0,0 +1,106 @@
+#ifndef _PSMOUSE_H
+#define _PSMOUSE_H
+
+#define PSMOUSE_CMD_SETSCALE11  0x00e6
+#define PSMOUSE_CMD_SETSCALE21  0x00e7
+#define PSMOUSE_CMD_SETRES      0x10e8
+#define PSMOUSE_CMD_GETINFO     0x03e9
+#define PSMOUSE_CMD_SETSTREAM   0x00ea
+#define PSMOUSE_CMD_SETPOLL     0x00f0
+#define PSMOUSE_CMD_POLL        0x03eb
+#define PSMOUSE_CMD_GETID       0x02f2
+#define PSMOUSE_CMD_SETRATE     0x10f3
+#define PSMOUSE_CMD_ENABLE      0x00f4
+#define PSMOUSE_CMD_DISABLE     0x00f5
+#define PSMOUSE_CMD_RESET_DIS   0x00f6
+#define PSMOUSE_CMD_RESET_BAT   0x02ff
+
+#define PSMOUSE_RET_BAT         0xaa
+#define PSMOUSE_RET_ID          0x00
+#define PSMOUSE_RET_ACK         0xfa
+#define PSMOUSE_RET_NAK         0xfe
+
+enum psmouse_state {
+        PSMOUSE_IGNORE,
+        PSMOUSE_INITIALIZING,
+        PSMOUSE_CMD_MODE,
+        PSMOUSE_ACTIVATED,
+};
+
+/* psmouse protocol handler return codes */
+typedef enum {
+        PSMOUSE_BAD_DATA,
+        PSMOUSE_GOOD_DATA,
+        PSMOUSE_FULL_PACKET
+} psmouse_ret_t;
+
+struct psmouse {
+        void *private;
+        struct input_dev dev;
+        struct ps2dev ps2dev;
+        char *vendor;
+        char *name;
+        unsigned char packet[8];
+        unsigned char pktcnt;
+        unsigned char pktsize;
+        unsigned char type;
+        unsigned int model;
+        unsigned long last;
+        unsigned long out_of_sync;
+        enum psmouse_state state;
+        char devname[64];
+        char phys[32];
+
+        unsigned int rate;
+        unsigned int resolution;
+        unsigned int resetafter;
+        unsigned int smartscroll;       /* Logitech only */
+
+        psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse, struct pt_regs *regs);
+        void (*set_rate)(struct psmouse *psmouse, unsigned int rate);
+        void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution);
+
+        int (*reconnect)(struct psmouse *psmouse);
+        void (*disconnect)(struct psmouse *psmouse);
+
+        void (*pt_activate)(struct psmouse *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,
+};
+
+int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
+int psmouse_reset(struct psmouse *psmouse);
+void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
+
+ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
+                        ssize_t (*handler)(struct psmouse *, char *));
+ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t count,
+                        ssize_t (*handler)(struct psmouse *, const char *, size_t));
+
+#define PSMOUSE_DEFINE_ATTR(_name)                                              \
+static ssize_t psmouse_attr_show_##_name(struct psmouse *, char *);             \
+static ssize_t psmouse_attr_set_##_name(struct psmouse *, const char *, size_t);\
+static ssize_t psmouse_do_show_##_name(struct device *d, char *b)               \
+{                                                                               \
+        return psmouse_attr_show_helper(d, b, psmouse_attr_show_##_name);       \
+}                                                                               \
+static ssize_t psmouse_do_set_##_name(struct device *d, const char *b, size_t s)\
+{                                                                               \
+        return psmouse_attr_set_helper(d, b, s, psmouse_attr_set_##_name);      \
+}                                                                               \
+static struct device_attribute psmouse_attr_##_name =                           \
+        __ATTR(_name, S_IWUSR | S_IRUGO,                                        \
+                psmouse_do_show_##_name, psmouse_do_set_##_name);
+
+#endif /* _PSMOUSE_H */