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authorRandall Spangler <rspangler@chromium.org>2011-12-07 18:51:09 +0000
committerVincent Palatin <vpalatin@chromium.org>2011-12-07 19:10:02 +0000
commitbdf7da5b082f6d18dd27f1e5d8cca0b12154a28c (patch)
tree6f14312a6cc70d056efc2bede8728c0868266719 /include/lpc.h
parentabe5786058f4b60dc6d30e7d7c964aae850caa1f (diff)
downloadchrome-ec-bdf7da5b082f6d18dd27f1e5d8cca0b12154a28c.tar.gz
Initial sources import 1/3
source files mainly done by Randall. Signed-off-by: Randall Spangler <rspangler@chromium.org> Change-Id: Iaff83a842b17f3350fb6f2a3f1597ad4c29bd12a
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+/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* LPC module for Chrome EC */
+
+#ifndef __CROS_EC_LPC_H
+#define __CROS_EC_LPC_H
+
+#include "common.h"
+
+/* Initializes the LPC module. */
+int lpc_init(void);
+
+/* Returns a pointer to the host command data buffer. This buffer
+ * must only be accessed between a notification to
+ * host_command_received() and a subsequent call to
+ * lpc_SendHostResponse(). */
+volatile uint8_t *lpc_get_host_range(void);
+
+/* Sends a response to a host command. The bottom 4 bits of <status>
+ * are sent in the status byte. */
+void lpc_send_host_response(int status);
+
+#endif /* __CROS_EC_LPC_H */