1 files changed, 77 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/include/mach/tegra_dc_ext.h b/arch/arm/mach-tegra/include/mach/tegra_dc_ext.h
new file mode 100644
index 00000000000..521039283d8
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/tegra_dc_ext.h
@@ -0,0 +1,77 @@
+/*
+ * arch/arm/mach-tegra/include/mach/tegra_dc_ext.h
+ *
+ * Copyright (C) 2011, NVIDIA Corporation
+ *
+ * Author: Robert Morell <rmorell@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 __MACH_TEGRA_DC_EXT_H
+#define __MACH_TEGRA_DC_EXT_H
+
+#include <linux/nvhost.h>
+
+struct tegra_dc_ext;
+
+#ifdef CONFIG_TEGRA_DC_EXTENSIONS
+int __init tegra_dc_ext_module_init(void);
+void __exit tegra_dc_ext_module_exit(void);
+
+struct tegra_dc_ext *tegra_dc_ext_register(struct nvhost_device *ndev,
+                                           struct tegra_dc *dc);
+void tegra_dc_ext_unregister(struct tegra_dc_ext *dc_ext);
+
+/* called by display controller on enable/disable */
+void tegra_dc_ext_enable(struct tegra_dc_ext *dc_ext);
+void tegra_dc_ext_disable(struct tegra_dc_ext *dc_ext);
+
+int tegra_dc_ext_process_hotplug(int output);
+
+#else /* CONFIG_TEGRA_DC_EXTENSIONS */
+
+static inline
+int tegra_dc_ext_module_init(void)
+{
+        return 0;
+}
+static inline
+void tegra_dc_ext_module_exit(void)
+{
+}
+
+static inline
+struct tegra_dc_ext *tegra_dc_ext_register(struct nvhost_device *ndev,
+                                           struct tegra_dc *dc)
+{
+        return NULL;
+}
+static inline
+void tegra_dc_ext_unregister(struct tegra_dc_ext *dc_ext)
+{
+}
+static inline
+void tegra_dc_ext_enable(struct tegra_dc_ext *dc_ext)
+{
+}
+static inline
+void tegra_dc_ext_disable(struct tegra_dc_ext *dc_ext)
+{
+}
+static inline
+int tegra_dc_ext_process_hotplug(int output)
+{
+        return 0;
+}
+#endif /* CONFIG_TEGRA_DC_EXTENSIONS */
+
+#endif /* __MACH_TEGRA_DC_EXT_H */