Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1)

Unified Diff: arch/arm/mach-tegra/nv/include/nvodm_kbc.h

Issue 3256004: [ARM] tegra: add nvos/nvrm/nvmap drivers (Closed) Base URL: ssh://git@gitrw.chromium.org/kernel.git
Patch Set: remove ap15 headers Created 10 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: arch/arm/mach-tegra/nv/include/nvodm_kbc.h
diff --git a/arch/arm/mach-tegra/nv/include/nvodm_kbc.h b/arch/arm/mach-tegra/nv/include/nvodm_kbc.h
new file mode 100644
index 0000000000000000000000000000000000000000..db8da306a3ed1004a2fe3c329a9daf3a7a7d5b7d
--- /dev/null
+++ b/arch/arm/mach-tegra/nv/include/nvodm_kbc.h
@@ -0,0 +1,93 @@
+/*
+ * 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
+
« no previous file with comments | « arch/arm/mach-tegra/nv/include/nvodm_gpio_ext.h ('k') | arch/arm/mach-tegra/nv/include/nvodm_kbc_keymapping.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698