1 files changed, 52 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/clk/clk_mclk.h b/drivers/gpu/nvgpu/clk/clk_mclk.h
new file mode 100644
index 00000000..cb7f0de0
--- /dev/null
+++ b/drivers/gpu/nvgpu/clk/clk_mclk.h
@@ -0,0 +1,52 @@
+/*
+* Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
+*
+* 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 _CLKMCLK_H_
+#define _CLKMCLK_H_
+
+#include <linux/mutex.h>
+
+enum gk20a_mclk_speed {
+        gk20a_mclk_low_speed,
+        gk20a_mclk_mid_speed,
+        gk20a_mclk_high_speed,
+};
+
+struct clk_mclk_state {
+        enum gk20a_mclk_speed speed;
+        struct mutex mclk_lock;
+        struct mutex data_lock;
+
+        u16 p5_min;
+        u16 p0_min;
+
+        void *vreg_buf;
+        bool init;
+
+        /* function pointers */
+        int (*change)(struct gk20a *g, u16 val);
+
+#ifdef CONFIG_DEBUG_FS
+        s64 switch_max;
+        s64 switch_min;
+        u64 switch_num;
+        s64 switch_avg;
+        s64 switch_std;
+        bool debugfs_set;
+#endif
+};
+
+int clk_mclkseq_init_mclk_gddr5(struct gk20a *g);
+int clk_mclkseq_change_mclk_gddr5(struct gk20a *g, u16 val);
+
+#endif