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 #ifndef _DMUB_TRACE_BUFFER_H_
26 #define _DMUB_TRACE_BUFFER_H_
27 
28 #include "dmub_types.h"
29 
30 #define LOAD_DMCU_FW	1
31 #define LOAD_PHY_FW	2
32 
33 
34 enum dmucb_trace_code {
35 	DMCUB__UNKNOWN,
36 	DMCUB__MAIN_BEGIN,
37 	DMCUB__PHY_INIT_BEGIN,
38 	DMCUB__PHY_FW_SRAM_LOAD_BEGIN,
39 	DMCUB__PHY_FW_SRAM_LOAD_END,
40 	DMCUB__PHY_INIT_POLL_DONE,
41 	DMCUB__PHY_INIT_END,
42 	DMCUB__DMCU_ERAM_LOAD_BEGIN,
43 	DMCUB__DMCU_ERAM_LOAD_END,
44 	DMCUB__DMCU_ISR_LOAD_BEGIN,
45 	DMCUB__DMCU_ISR_LOAD_END,
46 	DMCUB__MAIN_IDLE,
47 	DMCUB__PERF_TRACE,
48 	DMCUB__PG_DONE,
49 };
50 
51 struct dmcub_trace_buf_entry {
52 	enum dmucb_trace_code trace_code;
53 	uint32_t tick_count;
54 	uint32_t param0;
55 	uint32_t param1;
56 };
57 
58 #define TRACE_BUF_SIZE (1024) //1 kB
59 #define PERF_TRACE_MAX_ENTRY ((TRACE_BUF_SIZE - 8)/sizeof(struct dmcub_trace_buf_entry))
60 
61 
62 struct dmcub_trace_buf {
63 	uint32_t entry_count;
64 	uint32_t clk_freq;
65 	struct dmcub_trace_buf_entry entries[PERF_TRACE_MAX_ENTRY];
66 };
67 
68 
69 #endif /* _DMUB_TRACE_BUFFER_H_ */
70