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 __DAL_DCCG_H__
27 #define __DAL_DCCG_H__
28
29 #include "dc_types.h"
30
31 struct dccg {
32 struct dc_context *ctx;
33 const struct dccg_funcs *funcs;
34
35 int ref_dppclk;
36 };
37
38 struct dccg_funcs {
39 void (*update_dpp_dto)(struct dccg *dccg,
40 int dpp_inst,
41 int req_dppclk,
42 bool reduce_divider_only);
43 void (*get_dccg_ref_freq)(struct dccg *dccg,
44 unsigned int xtalin_freq_inKhz,
45 unsigned int *dccg_ref_freq_inKhz);
46 void (*dccg_init)(struct dccg *dccg);
47 };
48
49 #endif //__DAL_DCCG_H__