2 files changed, 116 insertions, 3 deletions

diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h
index f86737586e19..cc5cca774bab 100644
--- a/include/linux/input/mt.h
+++ b/include/linux/input/mt.h
@@ -15,12 +15,41 @@
 
 #define TRKID_MAX       0xffff
 
+#define INPUT_MT_POINTER        0x0001  /* pointer device, e.g. trackpad */
+#define INPUT_MT_DIRECT         0x0002  /* direct device, e.g. touchscreen */
+#define INPUT_MT_DROP_UNUSED    0x0004  /* drop contacts not seen in frame */
+#define INPUT_MT_TRACK          0x0008  /* use in-kernel tracking */
+
 /**
  * struct input_mt_slot - represents the state of an input MT slot
  * @abs: holds current values of ABS_MT axes for this slot
+ * @frame: last frame at which input_mt_report_slot_state() was called
+ * @key: optional driver designation of this slot
  */
 struct input_mt_slot {
         int abs[ABS_MT_LAST - ABS_MT_FIRST + 1];
+        unsigned int frame;
+        unsigned int key;
+};
+
+/**
+ * struct input_mt - state of tracked contacts
+ * @trkid: stores MT tracking ID for the next contact
+ * @num_slots: number of MT slots the device uses
+ * @slot: MT slot currently being transmitted
+ * @flags: input_mt operation flags
+ * @frame: increases every time input_mt_sync_frame() is called
+ * @red: reduced cost matrix for in-kernel tracking
+ * @slots: array of slots holding current values of tracked contacts
+ */
+struct input_mt {
+        int trkid;
+        int num_slots;
+        int slot;
+        unsigned int flags;
+        unsigned int frame;
+        int *red;
+        struct input_mt_slot slots[];
 };
 
 static inline void input_mt_set_value(struct input_mt_slot *slot,
@@ -35,12 +64,18 @@ static inline int input_mt_get_value(const struct input_mt_slot *slot,
         return slot->abs[code - ABS_MT_FIRST];
 }
 
-int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots);
+static inline bool input_mt_is_active(const struct input_mt_slot *slot)
+{
+        return input_mt_get_value(slot, ABS_MT_TRACKING_ID) >= 0;
+}
+
+int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots,
+                        unsigned int flags);
 void input_mt_destroy_slots(struct input_dev *dev);
 
-static inline int input_mt_new_trkid(struct input_dev *dev)
+static inline int input_mt_new_trkid(struct input_mt *mt)
 {
-        return dev->trkid++ & TRKID_MAX;
+        return mt->trkid++ & TRKID_MAX;
 }
 
 static inline void input_mt_slot(struct input_dev *dev, int slot)
@@ -64,4 +99,20 @@ void input_mt_report_slot_state(struct input_dev *dev,
 void input_mt_report_finger_count(struct input_dev *dev, int count);
 void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count);
 
+void input_mt_sync_frame(struct input_dev *dev);
+
+/**
+ * struct input_mt_pos - contact position
+ * @x: horizontal coordinate
+ * @y: vertical coordinate
+ */
+struct input_mt_pos {
+        s16 x, y;
+};
+
+int input_mt_assign_slots(struct input_dev *dev, int *slots,
+                          const struct input_mt_pos *pos, int num_pos);
+
+int input_mt_get_slot_by_key(struct input_dev *dev, int key);
+
 #endif
diff --git a/include/linux/input/tegra_kbc.h b/include/linux/input/tegra_kbc.h
new file mode 100644
index 000000000000..a13025612939
--- /dev/null
+++ b/include/linux/input/tegra_kbc.h
@@ -0,0 +1,62 @@
+/*
+ * Platform definitions for tegra-kbc keyboard input driver
+ *
+ * Copyright (c) 2010-2011, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef ASMARM_ARCH_TEGRA_KBC_H
+#define ASMARM_ARCH_TEGRA_KBC_H
+
+#include <linux/types.h>
+#include <linux/input/matrix_keypad.h>
+
+#define KBC_MAX_GPIO    24
+#define KBC_MAX_KPENT   8
+
+#define KBC_MAX_ROW     16
+#define KBC_MAX_COL     8
+#define KBC_MAX_KEY     (KBC_MAX_ROW * KBC_MAX_COL)
+
+enum tegra_pin_type {
+        PIN_CFG_IGNORE,
+        PIN_CFG_COL,
+        PIN_CFG_ROW,
+};
+
+struct tegra_kbc_pin_cfg {
+        enum tegra_pin_type type;
+        unsigned char num;
+};
+
+struct tegra_kbc_wake_key {
+        u8 row:4;
+        u8 col:4;
+};
+
+struct tegra_kbc_platform_data {
+        unsigned int debounce_cnt;
+        unsigned int repeat_cnt;
+
+        struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO];
+        const struct matrix_keymap_data *keymap_data;
+
+        u32 wakeup_key;
+        bool wakeup;
+        bool use_fn_map;
+        bool use_ghost_filter;
+};
+#endif