[ARM] tegra: add nvos/nvrm/nvmap drivers

arch/arm/mach-tegra/nv/include/nvodm_kbc.h

+/*
+ * Copyright (c) 2006-2009 NVIDIA Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of the NVIDIA Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/** 
+ * @file
+ * <b>NVIDIA Tegra ODM Kit:
+ *         KBC Adaptation Interface</b>
+ *
+ * @b Description: Defines the ODM adaptation interface for KBC keypad.
+ * 
+ */
+
+#ifndef INCLUDED_NVODM_KBC_H
+#define INCLUDED_NVODM_KBC_H
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+#include "nvodm_services.h"
+
+/**
+ * @defgroup nvodm_kbc Keyboard Controller Adaptation Interface
+ * This is the keyboard controller (KBC) ODM adaptation interface.
+ * See also the \link nvodm_query_kbc ODM Query KBC Interface\endlink.
+ * @ingroup nvodm_adaptation
+ * @{
+ */
+/**
+ * This API takes the keys that have been pressed as input and filters out the
+ * the keys that may have been caused due to ghosting effect and key roll-over.
+ *
+ * @note The row and column numbers of the keys that have been left after the 
+ * filtering are stored in the \a pRows and \a pCols arrays. The extra keys must be 
+ * deleted from the array.
+ *
+ * @param pRows A pointer to the array of the row numbers of the keys that have 
+ * been detected. This array contains \a NumOfKeysPressed elements.
+ *
+ * @param pCols A pointer to the array of the column numbers of the keys that have 
+ * been detected. This array contains \a NumOfKeysPressed elements. 
+ * 
+ * @param NumOfKeysPressed The number of key presses that have been detected by 
+ * the driver.
+ *
+ * @return The number of keys pressed after the filter has been applied.
+ *
+*/
+NvU32
+NvOdmKbcFilterKeys(
+    NvU32 *pRows,
+    NvU32 *pCols,
+    NvU32 NumOfKeysPressed);
+
+
+#if defined(__cplusplus)
+    }
+#endif
+    
+/** @} */
+    
+#endif // INCLUDED_NVODM_KBC_H
+