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Unified Diff: arch/arm/mach-tegra/nv/include/nvodm_keyboard.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
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Index: arch/arm/mach-tegra/nv/include/nvodm_keyboard.h
diff --git a/arch/arm/mach-tegra/nv/include/nvodm_keyboard.h b/arch/arm/mach-tegra/nv/include/nvodm_keyboard.h
new file mode 100644
index 0000000000000000000000000000000000000000..7192141cbaa344d81bc1e484f4c0f3d5cc96f866
--- /dev/null
+++ b/arch/arm/mach-tegra/nv/include/nvodm_keyboard.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 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:
+ * Keyboard Interface</b>
+ *
+ * @b Description: Defines the interface for the ODM keyboard.
+ *
+ */
+
+#ifndef INCLUDED_NVODM_KEYBOARD_H
+#define INCLUDED_NVODM_KEYBOARD_H
+
+#include "nvodm_services.h"
+
+/**
+ * @defgroup nvodm_keyboard ODM Keyboard Interface
+ *
+ * This is the interface for the ODM keyboard. See also the
+ * \link nvodm_kbc Keyboard Controller Adaptation Interface\endlink and
+ * the \link nvodm_query_kbc ODM Query KBC Interface\endlink.
+ * @ingroup nvodm_adaptation
+ * @{
+ */
+
+/**
+ * Initializes the ODM keyboard.
+ *
+ * @return NV_TRUE if successful, or NV_FALSE otherwise.
+ */
+NvBool NvOdmKeyboardInit(void);
+
+/**
+ * Releases the ODM keyboard resources that were acquired during the
+ * call to NvOdmKeyboardInit().
+ */
+void NvOdmKeyboardDeInit(void);
+
+/// Defines the scan code break flag.
+#define NV_ODM_SCAN_CODE_FLAG_BREAK (0x1)
+
+/// Defines the scan code make flag.
+#define NV_ODM_SCAN_CODE_FLAG_MAKE (0x2)
+
+/**
+ * Gets the key data from the ODM keyboard. This function must be called in
+ * an infinite loop to continue receiving the key scan codes.
+ *
+ * @param pKeyScanCode A pointer to the returned scan code of the key.
+ * @param pScanCodeFlags A pointer to the returned value specifying scan code
+ * make/break flags (may be ORed for special code that combines make and
+ * break sequences).
+ * @param Timeout (Optional) Specifies the timeout in msec. Can be set
+ * to zero if no timeout needs to be used.
+ *
+ * @return NV_TRUE if successful, or NV_FALSE otherwise.
+ */
+NvBool NvOdmKeyboardGetKeyData(NvU32 *pKeyScanCode, NvU8 *pScanCodeFlags, NvU32 Timeout);
+
+/**
+ * Initializes the hold switch.
+ *
+ * @return NV_TRUE if successful, or NV_FALSE otherwise.
+ */
+NvBool NvOdmHoldSwitchInit(void);
+
+/**
+ * Releases all the resources allocated during the initialization of the hold
+ * switch.
+ */
+void NvOdmHoldSwitchDeInit(void);
+
+/**
+ * Toggles LEDs on the keyboard.
+ * @param LedId The LEDs to toggle.
+ * @return NV_TRUE if successful, or NV_FALSE otherwise.
+ */
+NvBool NvOdmKeyboardToggleLights(NvU32 LedId);
+
+/**
+ * Keyboard power handler.
+ * @param PowerDown Flag to indicate power down or power up.
+ * @return NV_TRUE if successful, or NV_FALSE otherwise.
+ */
+NvBool NvOdmKeyboardPowerHandler(NvBool PowerDown);
+
+/** @} */
+
+#endif // INCLUDED_NVODM_KEYBOARD_H
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