1 /*	$NetBSD: dc_dmub_srv.h,v 1.2 2021/12/18 23:45:00 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2018 Advanced Micro Devices, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: AMD
25  *
26  */
27 
28 #ifndef _DMUB_DC_SRV_H_
29 #define _DMUB_DC_SRV_H_
30 
31 #include "os_types.h"
32 #include "../dmub/inc/dmub_cmd.h"
33 
34 struct dmub_srv;
35 struct dmub_cmd_header;
36 
37 struct dc_reg_helper_state {
38 	bool gather_in_progress;
39 	uint32_t same_addr_count;
40 	bool should_burst_write;
41 	union dmub_rb_cmd cmd_data;
42 	unsigned int reg_seq_count;
43 };
44 
45 struct dc_dmub_srv {
46 	struct dmub_srv *dmub;
47 	struct dc_reg_helper_state reg_helper_offload;
48 
49 	struct dc_context *ctx;
50 	void *dm;
51 };
52 
53 void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
54 			   struct dmub_cmd_header *cmd);
55 
56 void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv);
57 
58 void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv);
59 
60 void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv);
61 
62 #endif /* _DMUB_DC_SRV_H_ */
63