1 /*
2  * Copyright 2019 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_DCN20_H_
27 #define _DMUB_DCN20_H_
28 
29 #include "../inc/dmub_types.h"
30 
31 struct dmub_srv;
32 
33 /* Hardware functions. */
34 
35 void dmub_dcn20_init(struct dmub_srv *dmub);
36 
37 void dmub_dcn20_reset(struct dmub_srv *dmub);
38 
39 void dmub_dcn20_reset_release(struct dmub_srv *dmub);
40 
41 void dmub_dcn20_backdoor_load(struct dmub_srv *dmub,
42 			      const struct dmub_window *cw0,
43 			      const struct dmub_window *cw1);
44 
45 void dmub_dcn20_setup_windows(struct dmub_srv *dmub,
46 			      const struct dmub_window *cw2,
47 			      const struct dmub_window *cw3,
48 			      const struct dmub_window *cw4,
49 				  const struct dmub_window *cw5);
50 
51 void dmub_dcn20_setup_mailbox(struct dmub_srv *dmub,
52 			      const struct dmub_region *inbox1);
53 
54 uint32_t dmub_dcn20_get_inbox1_rptr(struct dmub_srv *dmub);
55 
56 void dmub_dcn20_set_inbox1_wptr(struct dmub_srv *dmub, uint32_t wptr_offset);
57 
58 bool dmub_dcn20_is_hw_init(struct dmub_srv *dmub);
59 
60 bool dmub_dcn20_is_supported(struct dmub_srv *dmub);
61 
62 bool dmub_dcn20_is_phy_init(struct dmub_srv *dmub);
63 
64 #endif /* _DMUB_DCN20_H_ */
65