1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_mutex.h b/drivers/gpu/drm/mediatek/mtk_mutex.h
new file mode 100644
index 000000000000..3abcc20e88fb
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_mutex.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ */
+
+#ifndef MTK_MUTEX_H
+#define MTK_MUTEX_H
+
+struct regmap;
+struct device;
+struct mtk_disp_mutex;
+
+struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id);
+int mtk_disp_mutex_prepare(struct mtk_disp_mutex *mutex);
+void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex,
+			     enum mtk_ddp_comp_id id);
+void mtk_disp_mutex_enable(struct mtk_disp_mutex *mutex);
+void mtk_disp_mutex_disable(struct mtk_disp_mutex *mutex);
+void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex,
+				enum mtk_ddp_comp_id id);
+void mtk_disp_mutex_unprepare(struct mtk_disp_mutex *mutex);
+void mtk_disp_mutex_put(struct mtk_disp_mutex *mutex);
+void mtk_disp_mutex_acquire(struct mtk_disp_mutex *mutex);
+void mtk_disp_mutex_release(struct mtk_disp_mutex *mutex);
+
+#endif /* MTK_MUTEX_H */