1 /*
2  * Copyright 2012-16 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 _DMUB_PSR_H_
27 #define _DMUB_PSR_H_
28 
29 #include "os_types.h"
30 #include "dc_link.h"
31 
32 struct dmub_psr {
33 	struct dc_context *ctx;
34 	const struct dmub_psr_funcs *funcs;
35 };
36 
37 struct dmub_psr_funcs {
38 	bool (*psr_copy_settings)(struct dmub_psr *dmub, struct dc_link *link, struct psr_context *psr_context);
39 	void (*psr_enable)(struct dmub_psr *dmub, bool enable, bool wait);
40 	void (*psr_get_state)(struct dmub_psr *dmub, enum dc_psr_state *dc_psr_state);
41 	void (*psr_set_level)(struct dmub_psr *dmub, uint16_t psr_level);
42 	void (*psr_force_static)(struct dmub_psr *dmub);
43 	void (*psr_get_residency)(struct dmub_psr *dmub, uint32_t *residency);
44 };
45 
46 struct dmub_psr *dmub_psr_create(struct dc_context *ctx);
47 void dmub_psr_destroy(struct dmub_psr **dmub);
48 
49 
50 #endif /* _DMUB_PSR_H_ */
51