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[linux.git] / drivers / gpu / drm / amd / display / modules / hdcp / hdcp_log.h
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
26 #ifndef MOD_HDCP_LOG_H_
27 #define MOD_HDCP_LOG_H_
28
29 #define HDCP_LOG_ERR(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__)
30 #define HDCP_LOG_VER(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__)
31 #define HDCP_LOG_FSM(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__)
32 #define HDCP_LOG_TOP(hdcp, ...) pr_debug("[HDCP_TOP]:"__VA_ARGS__)
33 #define HDCP_LOG_DDC(hdcp, ...) pr_debug("[HDCP_DDC]:"__VA_ARGS__)
34
35 /* default logs */
36 #define HDCP_ERROR_TRACE(hdcp, status) \
37                 HDCP_LOG_ERR(hdcp, \
38                         "[Link %d] WARNING %s IN STATE %s STAY COUNT %d", \
39                         hdcp->config.index, \
40                         mod_hdcp_status_to_str(status), \
41                         mod_hdcp_state_id_to_str(hdcp->state.id), \
42                         hdcp->state.stay_count)
43 #define HDCP_HDCP1_ENABLED_TRACE(hdcp, displayIndex) \
44                 HDCP_LOG_VER(hdcp, \
45                         "[Link %d] HDCP 1.4 enabled on display %d", \
46                         hdcp->config.index, displayIndex)
47 #define HDCP_HDCP2_ENABLED_TRACE(hdcp, displayIndex) \
48                 HDCP_LOG_VER(hdcp, \
49                         "[Link %d] HDCP 2.2 enabled on display %d", \
50                         hdcp->config.index, displayIndex)
51 #define HDCP_HDCP1_DISABLED_TRACE(hdcp, displayIndex) \
52                 HDCP_LOG_VER(hdcp, \
53                         "[Link %d] HDCP 1.4 disabled on display %d", \
54                         hdcp->config.index, displayIndex)
55 #define HDCP_HDCP2_DISABLED_TRACE(hdcp, displayIndex) \
56                 HDCP_LOG_VER(hdcp, \
57                         "[Link %d] HDCP 2.2 disabled on display %d", \
58                         hdcp->config.index, displayIndex)
59
60 /* state machine logs */
61 #define HDCP_REMOVE_DISPLAY_TRACE(hdcp, displayIndex) \
62                 HDCP_LOG_FSM(hdcp, \
63                         "[Link %d] HDCP_REMOVE_DISPLAY index %d", \
64                         hdcp->config.index, displayIndex)
65 #define HDCP_INPUT_PASS_TRACE(hdcp, str) \
66                 HDCP_LOG_FSM(hdcp, \
67                         "[Link %d]\tPASS %s", \
68                         hdcp->config.index, str)
69 #define HDCP_INPUT_FAIL_TRACE(hdcp, str) \
70                 HDCP_LOG_FSM(hdcp, \
71                         "[Link %d]\tFAIL %s", \
72                         hdcp->config.index, str)
73 #define HDCP_NEXT_STATE_TRACE(hdcp, id, output) do { \
74                 if (output->watchdog_timer_needed) \
75                         HDCP_LOG_FSM(hdcp, \
76                                 "[Link %d] > %s with %d ms watchdog", \
77                                 hdcp->config.index, \
78                                 mod_hdcp_state_id_to_str(id), output->watchdog_timer_delay); \
79                 else \
80                         HDCP_LOG_FSM(hdcp, \
81                                 "[Link %d] > %s", hdcp->config.index, \
82                                 mod_hdcp_state_id_to_str(id)); \
83 } while (0)
84 #define HDCP_TIMEOUT_TRACE(hdcp) \
85                 HDCP_LOG_FSM(hdcp, "[Link %d] --> TIMEOUT", hdcp->config.index)
86 #define HDCP_CPIRQ_TRACE(hdcp) \
87                 HDCP_LOG_FSM(hdcp, "[Link %d] --> CPIRQ", hdcp->config.index)
88 #define HDCP_EVENT_TRACE(hdcp, event) \
89                 if (event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) \
90                         HDCP_TIMEOUT_TRACE(hdcp); \
91                 else if (event == MOD_HDCP_EVENT_CPIRQ) \
92                         HDCP_CPIRQ_TRACE(hdcp)
93 /* TODO: find some way to tell if logging is off to save time */
94 #define HDCP_DDC_READ_TRACE(hdcp, msg_name, msg, msg_size) do { \
95                 mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
96                                 sizeof(hdcp->buf)); \
97                 HDCP_LOG_DDC(hdcp, "[Link %d] Read %s%s", hdcp->config.index, \
98                                 msg_name, hdcp->buf); \
99 } while (0)
100 #define HDCP_DDC_WRITE_TRACE(hdcp, msg_name, msg, msg_size) do { \
101                 mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
102                                 sizeof(hdcp->buf)); \
103                 HDCP_LOG_DDC(hdcp, "[Link %d] Write %s%s", \
104                                 hdcp->config.index, msg_name,\
105                                 hdcp->buf); \
106 } while (0)
107 #define HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, i) \
108                 HDCP_LOG_TOP(hdcp, "[Link %d]\tadd display %d", \
109                                 hdcp->config.index, i)
110 #define HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, i) \
111                 HDCP_LOG_TOP(hdcp, "[Link %d]\tremove display %d", \
112                                 hdcp->config.index, i)
113 #define HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp) \
114                 HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp1 session", \
115                                 hdcp->config.index)
116 #define HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp) \
117                 HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp2 session", \
118                                 hdcp->config.index)
119 #define HDCP_TOP_RESET_AUTH_TRACE(hdcp) \
120                 HDCP_LOG_TOP(hdcp, "[Link %d]\treset authentication", hdcp->config.index)
121 #define HDCP_TOP_RESET_CONN_TRACE(hdcp) \
122                 HDCP_LOG_TOP(hdcp, "[Link %d]\treset connection", hdcp->config.index)
123 #define HDCP_TOP_INTERFACE_TRACE(hdcp) do { \
124                 HDCP_LOG_TOP(hdcp, "\n"); \
125                 HDCP_LOG_TOP(hdcp, "[Link %d] %s", hdcp->config.index, __func__); \
126 } while (0)
127 #define HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, i) do { \
128                 HDCP_LOG_TOP(hdcp, "\n"); \
129                 HDCP_LOG_TOP(hdcp, "[Link %d] %s display %d", hdcp->config.index, __func__, i); \
130 } while (0)
131
132 #endif // MOD_HDCP_LOG_H_
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