1 files changed, 110 insertions, 0 deletions

diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
new file mode 100644
index 000000000000..68fff1dcd7de
--- /dev/null
+++ b/drivers/input/mouse/synaptics.h
@@ -0,0 +1,110 @@
+/*
+ * 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
+
+extern int synaptics_detect(struct psmouse *psmouse, int set_properties);
+extern int synaptics_init(struct psmouse *psmouse);
+extern void synaptics_reset(struct psmouse *psmouse);
+
+/* 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
+
+/* 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_VALID(c)                ((((c) & 0x00ff00) >> 8) == 0x47)
+#define SYN_EXT_CAP_REQUESTS(c)         (((c) & 0x700000) >> 20)
+#define SYN_CAP_MULTI_BUTTON_NO(ec)     (((ec) & 0x00f000) >> 12)
+
+/* 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_IS_SYNAPTICS(i)          ((((i) >> 8) & 0xff) == 0x47)
+
+/* 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
+
+/*
+ * 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 capabilities;         /* Capabilities */
+        unsigned long int ext_cap;              /* Extended Capabilities */
+        unsigned long int identity;             /* Identification */
+
+        unsigned char pkt_type;                 /* packet type - old, new, etc */
+        unsigned char mode;                     /* current mode byte */
+        int scroll;
+};
+
+#endif /* _SYNAPTICS_H */