1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Copyright 2012-16 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_CLK_MGR_H__
#define __DAL_CLK_MGR_H__
#include "dc.h"
/* Public interfaces */
struct clk_states {
uint32_t dprefclk_khz;
};
struct clk_mgr_funcs {
/*
* This function should set new clocks based on the input "safe_to_lower".
* If safe_to_lower == false, then only clocks which are to be increased
* should changed.
* If safe_to_lower == true, then only clocks which are to be decreased
* should be changed.
*/
void (*update_clocks)(struct clk_mgr *clk_mgr,
struct dc_state *context,
bool safe_to_lower);
int (*get_dp_ref_clk_frequency)(struct clk_mgr *clk_mgr);
void (*init_clocks)(struct clk_mgr *clk_mgr);
void (*enable_pme_wa) (struct clk_mgr *clk_mgr);
};
struct clk_mgr {
struct dc_context *ctx;
struct clk_mgr_funcs *funcs;
struct dc_clocks clks;
int dprefclk_khz; // Used by program pixel clock in clock source funcs, need to figureout where this goes
};
/* forward declarations */
struct dccg;
struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *pp_smu, struct dccg *dccg);
void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr);
#endif /* __DAL_CLK_MGR_H__ */
|
