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 do { \
90 if (event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) \
91 HDCP_TIMEOUT_TRACE(hdcp); \
92 else if (event == MOD_HDCP_EVENT_CPIRQ) \
93 HDCP_CPIRQ_TRACE(hdcp); \
94 } while (0)
95/* TODO: find some way to tell if logging is off to save time */
96#define HDCP_DDC_READ_TRACE(hdcp, msg_name, msg, msg_size) do { \
97 mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
98 sizeof(hdcp->buf)); \
99 HDCP_LOG_DDC(hdcp, "[Link %d] Read %s%s", hdcp->config.index, \
100 msg_name, hdcp->buf); \
101} while (0)
102#define HDCP_DDC_WRITE_TRACE(hdcp, msg_name, msg, msg_size) do { \
103 mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
104 sizeof(hdcp->buf)); \
105 HDCP_LOG_DDC(hdcp, "[Link %d] Write %s%s", \
106 hdcp->config.index, msg_name,\
107 hdcp->buf); \
108} while (0)
109#define HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, i) \
110 HDCP_LOG_TOP(hdcp, "[Link %d]\tadd display %d", \
111 hdcp->config.index, i)
112#define HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, i) \
113 HDCP_LOG_TOP(hdcp, "[Link %d]\tremove display %d", \
114 hdcp->config.index, i)
115#define HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp) \
116 HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp1 session", \
117 hdcp->config.index)
118#define HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp) \
119 HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp2 session", \
120 hdcp->config.index)
121#define HDCP_TOP_RESET_AUTH_TRACE(hdcp) \
122 HDCP_LOG_TOP(hdcp, "[Link %d]\treset authentication", hdcp->config.index)
123#define HDCP_TOP_RESET_CONN_TRACE(hdcp) \
124 HDCP_LOG_TOP(hdcp, "[Link %d]\treset connection", hdcp->config.index)
125#define HDCP_TOP_INTERFACE_TRACE(hdcp) do { \
126 HDCP_LOG_TOP(hdcp, "\n"); \
127 HDCP_LOG_TOP(hdcp, "[Link %d] %s", hdcp->config.index, __func__); \
128} while (0)
129#define HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, i) do { \
130 HDCP_LOG_TOP(hdcp, "\n"); \
131 HDCP_LOG_TOP(hdcp, "[Link %d] %s display %d", hdcp->config.index, __func__, i); \
132} while (0)
133
134#endif // MOD_HDCP_LOG_H_
135

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