xref: /openbmc/linux/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.h (revision 0ec74408)

/*
 * Copyright 2019 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 __DCN31_CLK_MGR_H__
#define __DCN31_CLK_MGR_H__
#include "clk_mgr_internal.h"

struct dcn31_watermarks;

struct dcn31_smu_watermark_set {
	struct dcn31_watermarks *wm_set;
	union large_integer mc_address;
};

struct clk_mgr_dcn31 {
	struct clk_mgr_internal base;
	struct dcn31_smu_watermark_set smu_wm_set;
};

bool dcn31_are_clock_states_equal(struct dc_clocks *a,
		struct dc_clocks *b);
void dcn31_init_clocks(struct clk_mgr *clk_mgr);
void dcn31_update_clocks(struct clk_mgr *clk_mgr_base,
			struct dc_state *context,
			bool safe_to_lower);

void dcn31_clk_mgr_construct(struct dc_context *ctx,
		struct clk_mgr_dcn31 *clk_mgr,
		struct pp_smu_funcs *pp_smu,
		struct dccg *dccg);

int dcn31_get_dtb_ref_freq_khz(struct clk_mgr *clk_mgr_base);

void dcn31_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int);

#endif //__DCN31_CLK_MGR_H__