media: video: tegra: Add Tegra RPC support for tegra multimedia framework

Change-Id: I9233c5d7c678f6a9ba1c23af686137bf4d6a4291
Signed-off-by: Dima Zavin <dima@android.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/include/linux/tegra_sema.h b/include/linux/tegra_sema.h
new file mode 100644
index 000000000000..7b423b6cb5c4
--- /dev/null
+++ b/include/linux/tegra_sema.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *   Dima Zavin <dima@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __LINUX_TEGRA_SEMA_H
+#define __LINUX_TEGRA_SEMA_H
+
+/* this shares the magic with the tegra RPC and AVP drivers.
+ *  See include/linux/tegra_avp.h and include/linux/tegra_rpc.h */
+#define TEGRA_SEMA_IOCTL_MAGIC		'r'
+
+/* If IOCTL_WAIT is interrupted by a signal and the timeout was not -1,
+ * then the value pointed to by the argument will be updated with the amount
+ * of time remaining for the wait. */
+#define TEGRA_SEMA_IOCTL_WAIT		_IOW(TEGRA_SEMA_IOCTL_MAGIC, 0x30, long *)
+#define TEGRA_SEMA_IOCTL_SIGNAL		_IO(TEGRA_SEMA_IOCTL_MAGIC, 0x31)
+
+#define TEGRA_SEMA_IOCTL_MIN_NR		_IOC_NR(TEGRA_SEMA_IOCTL_WAIT)
+#define TEGRA_SEMA_IOCTL_MAX_NR		_IOC_NR(TEGRA_SEMA_IOCTL_SIGNAL)
+
+#endif