1 /*
2  * Copyright 2012-15 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 __DAL_LOGGER_INTERFACE_H__
27 #define __DAL_LOGGER_INTERFACE_H__
28 
29 #include "logger_types.h"
30 
31 struct dc_context;
32 struct dc_link;
33 struct dc_surface_update;
34 struct resource_context;
35 
36 /*
37  *
38  * DAL logger functionality
39  *
40  */
41 
42 struct dal_logger *dal_logger_create(struct dc_context *ctx);
43 
44 uint32_t dal_logger_destroy(struct dal_logger **logger);
45 
46 void dm_logger_write(
47 		struct dal_logger *logger,
48 		enum dc_log_type log_type,
49 		const char *msg,
50 		...);
51 
52 void dm_logger_append(
53 		struct log_entry *entry,
54 		const char *msg,
55 		...);
56 
57 void dm_logger_open(
58 		struct dal_logger *logger,
59 		struct log_entry *entry,
60 		enum dc_log_type log_type);
61 
62 void dm_logger_close(struct log_entry *entry);
63 
64 void dc_conn_log(struct dc_context *ctx,
65 		const struct dc_link *link,
66 		uint8_t *hex_data,
67 		int hex_data_count,
68 		enum dc_log_type event,
69 		const char *msg,
70 		...);
71 
72 void logger_write(struct dal_logger *logger,
73 		enum dc_log_type log_type,
74 		const char *msg,
75 		void *paralist);
76 
77 void pre_surface_trace(
78 		const struct dc *dc,
79 		const struct dc_surface *const *surfaces,
80 		int surface_count);
81 
82 void update_surface_trace(
83 		const struct dc *dc,
84 		const struct dc_surface_update *updates,
85 		int surface_count);
86 
87 void post_surface_trace(const struct dc *dc);
88 
89 void context_timing_trace(
90 		const struct dc *dc,
91 		struct resource_context *res_ctx);
92 
93 
94 /* Any function which is empty or have incomplete implementation should be
95  * marked by this macro.
96  * Note that the message will be printed exactly once for every function
97  * it is used in order to avoid repeating of the same message. */
98 #define DAL_LOGGER_NOT_IMPL(fmt, ...) \
99 { \
100 	static bool print_not_impl = true; \
101 \
102 	if (print_not_impl == true) { \
103 		print_not_impl = false; \
104 		dm_logger_write(ctx->logger, LOG_WARNING, \
105 		"DAL_NOT_IMPL: " fmt, ##__VA_ARGS__); \
106 	} \
107 }
108 
109 /******************************************************************************
110  * Convenience macros to save on typing.
111  *****************************************************************************/
112 
113 #define DC_ERROR(...) \
114 	dm_logger_write(dc_ctx->logger, LOG_ERROR, \
115 		__VA_ARGS__);
116 
117 #define DC_SYNC_INFO(...) \
118 	dm_logger_write(dc_ctx->logger, LOG_SYNC, \
119 		__VA_ARGS__);
120 
121 
122 /* Connectivity log format:
123  * [time stamp]   [drm] [Major_minor] [connector name] message.....
124  * eg:
125  * [   26.590965] [drm] [Conn_LKTN]	  [DP-1] HBRx4 pass VS=0, PE=0^
126  * [   26.881060] [drm] [Conn_Mode]	  [DP-1] {2560x1080, 2784x1111@185580Khz}^
127  */
128 
129 #define CONN_DATA_DETECT(link, hex_data, hex_len, ...) \
130 		dc_conn_log(link->ctx, &link->public, hex_data, hex_len, \
131 				LOG_EVENT_DETECTION, ##__VA_ARGS__)
132 
133 #define CONN_DATA_LINK_LOSS(link, hex_data, hex_len, ...) \
134 		dc_conn_log(link->ctx, &link->public, hex_data, hex_len, \
135 				LOG_EVENT_LINK_LOSS, ##__VA_ARGS__)
136 
137 #define CONN_MSG_LT(link, ...) \
138 		dc_conn_log(link->ctx, &link->public, NULL, 0, \
139 				LOG_EVENT_LINK_TRAINING, ##__VA_ARGS__)
140 
141 #define CONN_MSG_MODE(link, ...) \
142 		dc_conn_log(link->ctx, &link->public, NULL, 0, \
143 				LOG_EVENT_MODE_SET, ##__VA_ARGS__)
144 
145 #endif /* __DAL_LOGGER_INTERFACE_H__ */
146