xref: /linux/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 /*
2  * Copyright 2018 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef __RN_CLK_MGR_H__
27 #define __RN_CLK_MGR_H__
28 
29 #include "clk_mgr.h"
30 #include "dm_pp_smu.h"
31 #include "clk_mgr_internal.h"
32 
33 extern struct wm_table ddr4_wm_table_gs;
34 extern struct wm_table lpddr4_wm_table_gs;
35 extern struct wm_table lpddr4_wm_table_with_disabled_ppt;
36 extern struct wm_table ddr4_wm_table_rn;
37 extern struct wm_table ddr4_1R_wm_table_rn;
38 extern struct wm_table lpddr4_wm_table_rn;
39 
40 struct rn_clk_registers {
41 	uint32_t CLK1_CLK0_CURRENT_CNT; /* DPREFCLK */
42 };
43 
44 void rn_clk_mgr_construct(struct dc_context *ctx,
45 		struct clk_mgr_internal *clk_mgr,
46 		struct pp_smu_funcs *pp_smu,
47 		struct dccg *dccg);
48 
49 #endif //__RN_CLK_MGR_H__
50