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Diffstat (limited to 'include/soc/rockchip/rockchip_dmc.h')
-rw-r--r--include/soc/rockchip/rockchip_dmc.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/soc/rockchip/rockchip_dmc.h b/include/soc/rockchip/rockchip_dmc.h
new file mode 100644
index 000000000000..aaa8cbeed94e
--- /dev/null
+++ b/include/soc/rockchip/rockchip_dmc.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 __SOC_ROCKCHIP_DMC_H
+#define __SOC_ROCKCHIP_DMC_H
+
+#include <linux/devfreq.h>
+
+#ifdef CONFIG_ARM_ROCKCHIP_DMC_DEVFREQ
+void rockchip_dmcfreq_lock(void);
+void rockchip_dmcfreq_unlock(void);
+int rockchip_dmcfreq_wait_complete(void);
+int rockchip_dmcfreq_vop_bandwidth_request(struct devfreq *devfreq,
+ unsigned int bw_mbyte);
+void rockchip_dmcfreq_vop_bandwidth_update(struct devfreq *devfreq,
+ unsigned int bw_mbyte);
+
+#else
+static inline void rockchip_dmcfreq_lock(void)
+{
+}
+
+static inline void rockchip_dmcfreq_unlock(void)
+{
+}
+
+static inline int rockchip_dmcfreq_wait_complete(void)
+{
+ return 0;
+}
+
+static inline int
+rockchip_dmcfreq_vop_bandwidth_request(struct devfreq *devfreq,
+ unsigned int bw_mbyte)
+{
+ return 0;
+}
+
+static inline void
+rockchip_dmcfreq_vop_bandwidth_update(struct devfreq *devfreq,
+ unsigned int bw_mbyte)
+{
+}
+#endif
+
+#endif