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#define HDCP_LOG_TRA(hdcp) do {} while (0)
35
36/* default logs */
37#define HDCP_ERROR_TRACE(hdcp, status) \
38 HDCP_LOG_ERR(hdcp, \
39 "[Link %d] WARNING %s IN STATE %s STAY COUNT %d", \
40 hdcp->config.index, \
41 mod_hdcp_status_to_str(status), \
42 mod_hdcp_state_id_to_str(hdcp->state.id), \
43 hdcp->state.stay_count)
44#define HDCP_HDCP1_ENABLED_TRACE(hdcp, displayIndex) \
45 HDCP_LOG_VER(hdcp, \
46 "[Link %d] HDCP 1.4 enabled on display %d", \
47 hdcp->config.index, displayIndex)
48#define HDCP_HDCP2_ENABLED_TRACE(hdcp, displayIndex) \
49 HDCP_LOG_VER(hdcp, \
50 "[Link %d] HDCP 2.2 enabled on display %d", \
51 hdcp->config.index, displayIndex)
52#define HDCP_HDCP1_DISABLED_TRACE(hdcp, displayIndex) \
53 HDCP_LOG_VER(hdcp, \
54 "[Link %d] HDCP 1.4 disabled on display %d", \
55 hdcp->config.index, displayIndex)
56#define HDCP_HDCP2_DISABLED_TRACE(hdcp, displayIndex) \
57 HDCP_LOG_VER(hdcp, \
58 "[Link %d] HDCP 2.2 disabled on display %d", \
59 hdcp->config.index, displayIndex)
60
61/* state machine logs */
62#define HDCP_REMOVE_DISPLAY_TRACE(hdcp, displayIndex) \
63 HDCP_LOG_FSM(hdcp, \
64 "[Link %d] HDCP_REMOVE_DISPLAY index %d", \
65 hdcp->config.index, displayIndex)
66#define HDCP_INPUT_PASS_TRACE(hdcp, str) \
67 HDCP_LOG_FSM(hdcp, \
68 "[Link %d]\tPASS %s", \
69 hdcp->config.index, str)
70#define HDCP_INPUT_FAIL_TRACE(hdcp, str) \
71 HDCP_LOG_FSM(hdcp, \
72 "[Link %d]\tFAIL %s", \
73 hdcp->config.index, str)
74#define HDCP_NEXT_STATE_TRACE(hdcp, id, output) do { \
75 if (output->watchdog_timer_needed) \
76 HDCP_LOG_FSM(hdcp, \
77 "[Link %d] > %s with %d ms watchdog", \
78 hdcp->config.index, \
79 mod_hdcp_state_id_to_str(id), output->watchdog_timer_delay); \
80 else \
81 HDCP_LOG_FSM(hdcp, \
82 "[Link %d] > %s", hdcp->config.index, \
83 mod_hdcp_state_id_to_str(id)); \
84} while (0)
85#define HDCP_TIMEOUT_TRACE(hdcp) \
86 HDCP_LOG_FSM(hdcp, "[Link %d] --> TIMEOUT", hdcp->config.index)
87#define HDCP_CPIRQ_TRACE(hdcp) \
88 HDCP_LOG_FSM(hdcp, "[Link %d] --> CPIRQ", hdcp->config.index)
89#define HDCP_EVENT_TRACE(hdcp, event) \
90 do { \
91 if (event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) \
92 HDCP_TIMEOUT_TRACE(hdcp); \
93 else if (event == MOD_HDCP_EVENT_CPIRQ) \
94 HDCP_CPIRQ_TRACE(hdcp); \
95 } while (0)
96/* TODO: find some way to tell if logging is off to save time */
97#define HDCP_DDC_READ_TRACE(hdcp, msg_name, msg, msg_size) do { \
98 mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
99 sizeof(hdcp->buf)); \
100 HDCP_LOG_DDC(hdcp, "[Link %d] Read %s%s", hdcp->config.index, \
101 msg_name, hdcp->buf); \
102} while (0)
103#define HDCP_DDC_WRITE_TRACE(hdcp, msg_name, msg, msg_size) do { \
104 mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
105 sizeof(hdcp->buf)); \
106 HDCP_LOG_DDC(hdcp, "[Link %d] Write %s%s", \
107 hdcp->config.index, msg_name,\
108 hdcp->buf); \
109} while (0)
110#define HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, i) \
111 HDCP_LOG_TOP(hdcp, "[Link %d]\tadd display %d", \
112 hdcp->config.index, i)
113#define HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, i) \
114 HDCP_LOG_TOP(hdcp, "[Link %d]\tremove display %d", \
115 hdcp->config.index, i)
116#define HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp) \
117 HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp1 session", \
118 hdcp->config.index)
119#define HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp) \
120 HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp2 session", \
121 hdcp->config.index)
122#define HDCP_TOP_RESET_AUTH_TRACE(hdcp) \
123 HDCP_LOG_TOP(hdcp, "[Link %d]\treset authentication", hdcp->config.index)
124#define HDCP_TOP_RESET_CONN_TRACE(hdcp) \
125 HDCP_LOG_TOP(hdcp, "[Link %d]\treset connection", hdcp->config.index)
126#define HDCP_TOP_INTERFACE_TRACE(hdcp) do { \
127 HDCP_LOG_TOP(hdcp, "\n"); \
128 HDCP_LOG_TOP(hdcp, "[Link %d] %s", hdcp->config.index, __func__); \
129} while (0)
130#define HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, i) do { \
131 HDCP_LOG_TOP(hdcp, "\n"); \
132 HDCP_LOG_TOP(hdcp, "[Link %d] %s display %d", hdcp->config.index, __func__, i); \
133} while (0)
134
135#define HDCP_AUTH_COMPLETE_TRACE(hdcp) do { \
136 mod_hdcp_log_ddc_trace(hdcp); \
137 HDCP_LOG_TRA(hdcp); \
138} while (0)
139
140#endif // MOD_HDCP_LOG_H_
141

source code of linux/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h