input: touchscreen: Add support for synaptics clearpad3000
Change-Id: Ie00815ed507d81c6934ac0d4b1dfa745215ff01a
Signed-off-by: Taniya Das <tdas@codeaurora.org>
diff --git a/drivers/input/touchscreen/synaptics/rmi.h b/drivers/input/touchscreen/synaptics/rmi.h
new file mode 100644
index 0000000..7484258
--- /dev/null
+++ b/drivers/input/touchscreen/synaptics/rmi.h
@@ -0,0 +1,164 @@
+/**
+ *
+ * Synaptics Register Mapped Interface (RMI4) Header File.
+ * Copyright (c) 2007 - 2011, Synaptics Incorporated
+ *
+ *
+ */
+/*
+ * This file is licensed under the GPL2 license.
+ *
+ *#############################################################################
+ * GPL
+ *
+ * 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.
+ *
+ * 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.
+ *
+ *#############################################################################
+ */
+
+#ifndef _RMI_H
+#define _RMI_H
+
+/* RMI4 Protocol Support
+ */
+
+/* For each function present on the RMI device, we need to get the RMI4 Function
+ * Descriptor info from the Page Descriptor Table. This will give us the
+ * addresses for Query, Command, Control, Data and the Source Count (number
+ * of sources for this function) and the function id.
+ */
+struct rmi_function_descriptor {
+ unsigned char queryBaseAddr;
+ unsigned char commandBaseAddr;
+ unsigned char controlBaseAddr;
+ unsigned char dataBaseAddr;
+ unsigned char interruptSrcCnt;
+ unsigned char functionNum;
+};
+
+/* This encapsulates the information found using the RMI4 Function $01
+ * query registers. There is only one Function $01 per device.
+ *
+ * Assuming appropriate endian-ness, you can populate most of this
+ * structure by reading query registers starting at the query base address
+ * that was obtained from RMI4 function 0x01 function descriptor info read
+ * from the Page Descriptor Table.
+ *
+ * Specific register information is provided in the comments for each field.
+ * For further reference, please see the "Synaptics RMI 4 Interfacing
+ * Guide" document : go to http://www.synaptics.com/developers/manuals - and
+ * select "Synaptics RMI 4 Interfacting Guide".
+ */
+struct rmi_F01_query {
+ /* The manufacturer identification byte.*/
+ unsigned char mfgid;
+
+ /* The Product Properties information.*/
+ unsigned char properties;
+
+ /* The product info bytes.*/
+ unsigned char prod_info[2];
+
+ /* Date Code - Year, Month, Day.*/
+ unsigned char date_code[3];
+
+ /* Tester ID (14 bits).*/
+ unsigned short tester_id;
+
+ /* Serial Number (14 bits).*/
+ unsigned short serial_num;
+
+ /* A null-terminated string that identifies this particular product.*/
+ char prod_id[11];
+};
+
+/* This encapsulates the F01 Device Control control registers.
+ * TODO: This isn't right. The number of interrupt enables needs to be determined
+ * dynamically as the sensor is initialized. Fix this.
+ */
+struct rmi_F01_control {
+ unsigned char deviceControl;
+ unsigned char interruptEnable[1];
+};
+
+/** This encapsulates the F01 Device Control data registers.
+ * TODO: This isn't right. The number of irqs needs to be determined
+ * dynamically as the sensor is initialized. Fix this.
+ */
+struct rmi_F01_data {
+ unsigned char deviceStatus;
+ unsigned char irqs[1];
+};
+
+
+/**********************************************************/
+
+/** This is the data read from the F11 query registers.
+ */
+struct rmi_F11_device_query {
+ bool hasQuery9;
+ unsigned char numberOfSensors;
+};
+
+struct rmi_F11_sensor_query {
+ bool configurable;
+ bool hasSensitivityAdjust;
+ bool hasGestures;
+ bool hasAbs;
+ bool hasRel;
+ unsigned char numberOfFingers;
+ unsigned char numberOfXElectrodes;
+ unsigned char numberOfYElectrodes;
+ unsigned char maximumElectrodes;
+ bool hasAnchoredFinger;
+ unsigned char absDataSize;
+};
+
+struct rmi_F11_control {
+ bool relativeBallistics;
+ bool relativePositionFilter;
+ bool absolutePositionFilter;
+ unsigned char reportingMode;
+ bool manuallyTrackedFinger;
+ bool manuallyTrackedFingerEnable;
+ unsigned char motionSensitivity;
+ unsigned char palmDetectThreshold;
+ unsigned char deltaXPosThreshold;
+ unsigned char deltaYPosThreshold;
+ unsigned char velocity;
+ unsigned char acceleration;
+ unsigned short sensorMaxXPos;
+ unsigned short sensorMaxYPos;
+};
+
+
+/**********************************************************/
+
+/** This is the data read from the F19 query registers.
+ */
+struct rmi_F19_query {
+ bool hasHysteresisThreshold;
+ bool hasSensitivityAdjust;
+ bool configurable;
+ unsigned char buttonCount;
+};
+
+struct rmi_F19_control {
+ unsigned char buttonUsage;
+ unsigned char filterMode;
+ unsigned char *intEnableRegisters;
+ unsigned char *singleButtonControl;
+ unsigned char *sensorMap;
+ unsigned char *singleButtonSensitivity;
+ unsigned char globalSensitivityAdjustment;
+ unsigned char globalHysteresisThreshold;
+};
+
+#endif