1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/dsp/syslink/multicore_ipc/gate.c b/drivers/dsp/syslink/multicore_ipc/gate.c
new file mode 100644
index 00000000000..066ef53a37b
--- /dev/null
+++ b/drivers/dsp/syslink/multicore_ipc/gate.c
@@ -0,0 +1,69 @@
+/*
+ *  gatemp.c
+ *
+ *  Gate wrapper implementation
+ *
+ *  Copyright (C) 2008-2009 Texas Instruments, Inc.
+ *
+ *  This package 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 PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ *  IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ *  WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ *  PURPOSE.
+ */
+
+
+/* Standard headers */
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+/* Module level headers */
+#include <igateprovider.h>
+#include <gate.h>
+
+
+/* Structure defining internal object for the Gate Peterson.*/
+struct gate_object {
+	IGATEPROVIDER_SUPEROBJECT; /* For inheritance from IGateProvider */
+};
+
+/* Function to enter a Gate */
+int *gate_enter_system(void)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	return (int *)flags;
+}
+
+/* Function to leave a gate */
+void gate_leave_system(int *key)
+{
+	local_irq_restore((unsigned long) key);
+}
+
+/* Match with IGateProvider */
+static inline int *_gate_enter_system(struct gate_object *obj)
+{
+	(void) obj;
+	return gate_enter_system();
+}
+
+/* Match with IGateProvider */
+static inline void _gate_leave_system(struct gate_object *obj, int *key)
+{
+	(void) obj;
+	gate_leave_system(key);
+}
+
+static struct gate_object gate_system_object = {
+	.enter = (int *(*)(void *))_gate_enter_system,
+	.leave = (void (*)(void *, int *))_gate_leave_system,
+};
+
+struct igateprovider_object *gate_system_handle = \
+			(struct igateprovider_object *)&gate_system_object;