1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpu/display_clock.h b/drivers/gpu/drm/amd/display/dc/gpu/display_clock.h
new file mode 100644
index 000000000000..663580d18a09
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/gpu/display_clock.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DAL_DISPLAY_CLOCK_H__
+#define __DAL_DISPLAY_CLOCK_H__
+
+#include "include/display_clock_interface.h"
+
+struct display_clock_funcs {
+	void (*destroy)(struct display_clock **to_destroy);
+	bool (*validate)(struct display_clock *disp_clk,
+		struct min_clock_params *params);
+	uint32_t (*calculate_min_clock)(struct display_clock *disp_clk,
+		uint32_t path_num, struct min_clock_params *params);
+	uint32_t (*get_validation_clock)(struct display_clock *disp_clk);
+	void (*set_clock)(struct display_clock *disp_clk,
+		uint32_t requested_clock_khz);
+	uint32_t (*get_clock)(struct display_clock *disp_clk);
+	enum clocks_state (*get_min_clocks_state)(
+		struct display_clock *disp_clk);
+	enum clocks_state (*get_required_clocks_state)(
+		struct display_clock *disp_clk,
+		struct state_dependent_clocks *req_clocks);
+	bool (*set_min_clocks_state)(struct display_clock *disp_clk,
+		enum clocks_state clocks_state);
+	uint32_t (*get_dp_ref_clk_frequency)(struct display_clock *disp_clk);
+	void (*set_dp_ref_clock_source)(struct display_clock *disp_clk,
+		enum clock_source_id clk_src);
+	void (*store_max_clocks_state)(struct display_clock *disp_clk,
+		enum clocks_state max_clocks_state);
+	void (*set_clock_state)(struct display_clock *disp_clk,
+		struct display_clock_state clk_state);
+	struct display_clock_state (*get_clock_state)(
+		struct display_clock *disp_clk);
+	uint32_t (*get_dfs_bypass_threshold)(struct display_clock *disp_clk);
+
+};
+
+struct display_clock {
+	struct dc_context *ctx;
+	const struct display_clock_funcs *funcs;
+	uint32_t min_display_clk_threshold_khz;
+	enum clock_source_id id;
+
+	enum clocks_state cur_min_clks_state;
+};
+void dal_display_clock_base_set_dp_ref_clock_source(
+	struct display_clock *disp_clk,
+	enum clock_source_id clk_src);
+struct display_clock_state dal_display_clock_base_get_clock_state(
+	struct display_clock *disp_clk);
+uint32_t dal_display_clock_base_get_dfs_bypass_threshold(
+	struct display_clock *disp_clk);
+void dal_display_clock_base_set_clock_state(struct display_clock *disp_clk,
+	struct display_clock_state clk_state);
+bool dal_display_clock_construct_base(
+	struct display_clock *base,
+	struct dc_context *ctx);
+
+uint32_t dal_display_clock_get_validation_clock(struct display_clock *disp_clk);
+
+void dal_display_clock_store_max_clocks_state(
+	struct display_clock *disp_clk,
+	enum clocks_state max_clocks_state);
+
+
+#endif /* __DAL_DISPLAY_CLOCK_H__*/