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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 _DMUB_DC_SRV_H_
27 #define _DMUB_DC_SRV_H_
28 
29 #include "os_types.h"
30 #include "dmub/dmub_srv.h"
31 
32 struct dmub_srv;
33 
34 struct dc_reg_helper_state {
35 	bool gather_in_progress;
36 	uint32_t same_addr_count;
37 	bool should_burst_write;
38 	union dmub_rb_cmd cmd_data;
39 	unsigned int reg_seq_count;
40 };
41 
42 struct dc_dmub_srv {
43 	struct dmub_srv *dmub;
44 	struct dc_reg_helper_state reg_helper_offload;
45 
46 	struct dc_context *ctx;
47 	void *dm;
48 };
49 
50 void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
51 			   union dmub_rb_cmd *cmd);
52 
53 void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv);
54 
55 void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv);
56 
57 void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv);
58 
59 bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv,
60 				    unsigned int stream_mask);
61 #endif /* _DMUB_DC_SRV_H_ */
62