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 struct dc_state;
36 
37 /*
38  *
39  * DAL logger functionality
40  *
41  */
42 
43 struct dal_logger *dal_logger_create(struct dc_context *ctx, uint32_t log_mask);
44 
45 uint32_t dal_logger_destroy(struct dal_logger **logger);
46 
47 void dm_logger_flush_buffer(struct dal_logger *logger, bool should_warn);
48 
49 void dm_logger_write(
50 		struct dal_logger *logger,
51 		enum dc_log_type log_type,
52 		const char *msg,
53 		...);
54 
55 void dm_logger_append(
56 		struct log_entry *entry,
57 		const char *msg,
58 		...);
59 
60 void dm_logger_open(
61 		struct dal_logger *logger,
62 		struct log_entry *entry,
63 		enum dc_log_type log_type);
64 
65 void dm_logger_close(struct log_entry *entry);
66 
67 void dc_conn_log(struct dc_context *ctx,
68 		const struct dc_link *link,
69 		uint8_t *hex_data,
70 		int hex_data_count,
71 		enum dc_log_type event,
72 		const char *msg,
73 		...);
74 
75 void logger_write(struct dal_logger *logger,
76 		enum dc_log_type log_type,
77 		const char *msg,
78 		void *paralist);
79 
80 void pre_surface_trace(
81 		struct dc *dc,
82 		const struct dc_plane_state *const *plane_states,
83 		int surface_count);
84 
85 void update_surface_trace(
86 		struct dc *dc,
87 		const struct dc_surface_update *updates,
88 		int surface_count);
89 
90 void post_surface_trace(struct dc *dc);
91 
92 void context_timing_trace(
93 		struct dc *dc,
94 		struct resource_context *res_ctx);
95 
96 void context_clock_trace(
97 		struct dc *dc,
98 		struct dc_state *context);
99 
100 /* Any function which is empty or have incomplete implementation should be
101  * marked by this macro.
102  * Note that the message will be printed exactly once for every function
103  * it is used in order to avoid repeating of the same message. */
104 #define DAL_LOGGER_NOT_IMPL(fmt, ...) \
105 { \
106 	static bool print_not_impl = true; \
107 \
108 	if (print_not_impl == true) { \
109 		print_not_impl = false; \
110 		dm_logger_write(ctx->logger, LOG_WARNING, \
111 		"DAL_NOT_IMPL: " fmt, ##__VA_ARGS__); \
112 	} \
113 }
114 
115 /******************************************************************************
116  * Convenience macros to save on typing.
117  *****************************************************************************/
118 
119 #define DC_ERROR(...) \
120 	dm_logger_write(dc_ctx->logger, LOG_ERROR, \
121 		__VA_ARGS__)
122 
123 #define DC_SYNC_INFO(...) \
124 	dm_logger_write(dc_ctx->logger, LOG_SYNC, \
125 		__VA_ARGS__)
126 
127 /* Connectivity log format:
128  * [time stamp]   [drm] [Major_minor] [connector name] message.....
129  * eg:
130  * [   26.590965] [drm] [Conn_LKTN]	  [DP-1] HBRx4 pass VS=0, PE=0^
131  * [   26.881060] [drm] [Conn_Mode]	  [DP-1] {2560x1080, 2784x1111@185580Khz}^
132  */
133 
134 #define CONN_DATA_DETECT(link, hex_data, hex_len, ...) \
135 		dc_conn_log(link->ctx, link, hex_data, hex_len, \
136 				LOG_EVENT_DETECTION, ##__VA_ARGS__)
137 
138 #define CONN_DATA_LINK_LOSS(link, hex_data, hex_len, ...) \
139 		dc_conn_log(link->ctx, link, hex_data, hex_len, \
140 				LOG_EVENT_LINK_LOSS, ##__VA_ARGS__)
141 
142 #define CONN_MSG_LT(link, ...) \
143 		dc_conn_log(link->ctx, link, NULL, 0, \
144 				LOG_EVENT_LINK_TRAINING, ##__VA_ARGS__)
145 
146 #define CONN_MSG_MODE(link, ...) \
147 		dc_conn_log(link->ctx, link, NULL, 0, \
148 				LOG_EVENT_MODE_SET, ##__VA_ARGS__)
149 
150 /*
151  * Display Test Next logging
152  */
153 #define DTN_INFO_BEGIN() \
154 	dm_dtn_log_begin(dc_ctx)
155 
156 #define DTN_INFO(msg, ...) \
157 	dm_dtn_log_append_v(dc_ctx, msg, ##__VA_ARGS__)
158 
159 #define DTN_INFO_END() \
160 	dm_dtn_log_end(dc_ctx)
161 
162 #define PERFORMANCE_TRACE_START() \
163 	unsigned long long perf_trc_start_stmp = dm_get_timestamp(dc->ctx); \
164 	unsigned long long perf_trc_start_log_msk = dc->ctx->logger->mask; \
165 	unsigned int perf_trc_start_log_flags = dc->ctx->logger->flags.value; \
166 	if (dc->debug.performance_trace) {\
167 		dm_logger_flush_buffer(dc->ctx->logger, false);\
168 		dc->ctx->logger->mask = 1<<LOG_PERF_TRACE;\
169 		dc->ctx->logger->flags.bits.ENABLE_CONSOLE = 0;\
170 		dc->ctx->logger->flags.bits.ENABLE_BUFFER = 1;\
171 	}
172 
173 #define PERFORMANCE_TRACE_END() do {\
174 	unsigned long long perf_trc_end_stmp = dm_get_timestamp(dc->ctx);\
175 	if (dc->debug.performance_trace) {\
176 		dm_logger_write(dc->ctx->logger, \
177 				LOG_PERF_TRACE, \
178 				"%s duration: %d ticks\n", __func__,\
179 				perf_trc_end_stmp - perf_trc_start_stmp); \
180 		if (perf_trc_start_log_msk != 1<<LOG_PERF_TRACE) {\
181 			dc->ctx->logger->mask = perf_trc_start_log_msk;\
182 			dc->ctx->logger->flags.value = perf_trc_start_log_flags;\
183 			dm_logger_flush_buffer(dc->ctx->logger, false);\
184 		} \
185 	} \
186 } while (0)
187 
188 #endif /* __DAL_LOGGER_INTERFACE_H__ */
189