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 #ifdef CONFIG_DRM_AMD_DC_HDCP 30 #define HDCP_LOG_ERR(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__) 31 #define HDCP_LOG_VER(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__) 32 #define HDCP_LOG_FSM(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__) 33 #define HDCP_LOG_TOP(hdcp, ...) pr_debug("[HDCP_TOP]:"__VA_ARGS__) 34 #define HDCP_LOG_DDC(hdcp, ...) pr_debug("[HDCP_DDC]:"__VA_ARGS__) 35 #endif 36 37 /* default logs */ 38 #define HDCP_ERROR_TRACE(hdcp, status) \ 39 HDCP_LOG_ERR(hdcp, \ 40 "[Link %d] WARNING %s IN STATE %s STAY COUNT %d", \ 41 hdcp->config.index, \ 42 mod_hdcp_status_to_str(status), \ 43 mod_hdcp_state_id_to_str(hdcp->state.id), \ 44 hdcp->state.stay_count) 45 #define HDCP_HDCP1_ENABLED_TRACE(hdcp, displayIndex) \ 46 HDCP_LOG_VER(hdcp, \ 47 "[Link %d] HDCP 1.4 enabled on display %d", \ 48 hdcp->config.index, displayIndex) 49 #define HDCP_HDCP2_ENABLED_TRACE(hdcp, displayIndex) \ 50 HDCP_LOG_VER(hdcp, \ 51 "[Link %d] HDCP 2.2 enabled on display %d", \ 52 hdcp->config.index, displayIndex) 53 #define HDCP_HDCP1_DISABLED_TRACE(hdcp, displayIndex) \ 54 HDCP_LOG_VER(hdcp, \ 55 "[Link %d] HDCP 1.4 disabled on display %d", \ 56 hdcp->config.index, displayIndex) 57 #define HDCP_HDCP2_DISABLED_TRACE(hdcp, displayIndex) \ 58 HDCP_LOG_VER(hdcp, \ 59 "[Link %d] HDCP 2.2 disabled on display %d", \ 60 hdcp->config.index, displayIndex) 61 62 /* state machine logs */ 63 #define HDCP_REMOVE_DISPLAY_TRACE(hdcp, displayIndex) \ 64 HDCP_LOG_FSM(hdcp, \ 65 "[Link %d] HDCP_REMOVE_DISPLAY index %d", \ 66 hdcp->config.index, displayIndex) 67 #define HDCP_INPUT_PASS_TRACE(hdcp, str) \ 68 HDCP_LOG_FSM(hdcp, \ 69 "[Link %d]\tPASS %s", \ 70 hdcp->config.index, str) 71 #define HDCP_INPUT_FAIL_TRACE(hdcp, str) \ 72 HDCP_LOG_FSM(hdcp, \ 73 "[Link %d]\tFAIL %s", \ 74 hdcp->config.index, str) 75 #define HDCP_NEXT_STATE_TRACE(hdcp, id, output) do { \ 76 if (output->watchdog_timer_needed) \ 77 HDCP_LOG_FSM(hdcp, \ 78 "[Link %d] > %s with %d ms watchdog", \ 79 hdcp->config.index, \ 80 mod_hdcp_state_id_to_str(id), output->watchdog_timer_delay); \ 81 else \ 82 HDCP_LOG_FSM(hdcp, \ 83 "[Link %d] > %s", hdcp->config.index, \ 84 mod_hdcp_state_id_to_str(id)); \ 85 } while (0) 86 #define HDCP_TIMEOUT_TRACE(hdcp) \ 87 HDCP_LOG_FSM(hdcp, "[Link %d] --> TIMEOUT", hdcp->config.index) 88 #define HDCP_CPIRQ_TRACE(hdcp) \ 89 HDCP_LOG_FSM(hdcp, "[Link %d] --> CPIRQ", hdcp->config.index) 90 #define HDCP_EVENT_TRACE(hdcp, event) \ 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 /* 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_FULL_DDC_TRACE(hdcp) do { \ 110 if (is_hdcp1(hdcp)) { \ 111 HDCP_DDC_READ_TRACE(hdcp, "BKSV", hdcp->auth.msg.hdcp1.bksv, \ 112 sizeof(hdcp->auth.msg.hdcp1.bksv)); \ 113 HDCP_DDC_READ_TRACE(hdcp, "BCAPS", &hdcp->auth.msg.hdcp1.bcaps, \ 114 sizeof(hdcp->auth.msg.hdcp1.bcaps)); \ 115 HDCP_DDC_READ_TRACE(hdcp, "BSTATUS", \ 116 (uint8_t *)&hdcp->auth.msg.hdcp1.bstatus, \ 117 sizeof(hdcp->auth.msg.hdcp1.bstatus)); \ 118 HDCP_DDC_WRITE_TRACE(hdcp, "AN", hdcp->auth.msg.hdcp1.an, \ 119 sizeof(hdcp->auth.msg.hdcp1.an)); \ 120 HDCP_DDC_WRITE_TRACE(hdcp, "AKSV", hdcp->auth.msg.hdcp1.aksv, \ 121 sizeof(hdcp->auth.msg.hdcp1.aksv)); \ 122 HDCP_DDC_WRITE_TRACE(hdcp, "AINFO", &hdcp->auth.msg.hdcp1.ainfo, \ 123 sizeof(hdcp->auth.msg.hdcp1.ainfo)); \ 124 HDCP_DDC_READ_TRACE(hdcp, "RI' / R0'", \ 125 (uint8_t *)&hdcp->auth.msg.hdcp1.r0p, \ 126 sizeof(hdcp->auth.msg.hdcp1.r0p)); \ 127 HDCP_DDC_READ_TRACE(hdcp, "BINFO", \ 128 (uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp, \ 129 sizeof(hdcp->auth.msg.hdcp1.binfo_dp)); \ 130 HDCP_DDC_READ_TRACE(hdcp, "KSVLIST", hdcp->auth.msg.hdcp1.ksvlist, \ 131 hdcp->auth.msg.hdcp1.ksvlist_size); \ 132 HDCP_DDC_READ_TRACE(hdcp, "V'", hdcp->auth.msg.hdcp1.vp, \ 133 sizeof(hdcp->auth.msg.hdcp1.vp)); \ 134 } else { \ 135 HDCP_DDC_READ_TRACE(hdcp, "HDCP2Version", \ 136 &hdcp->auth.msg.hdcp2.hdcp2version_hdmi, \ 137 sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi)); \ 138 HDCP_DDC_READ_TRACE(hdcp, "Rx Caps", hdcp->auth.msg.hdcp2.rxcaps_dp, \ 139 sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp)); \ 140 HDCP_DDC_WRITE_TRACE(hdcp, "AKE Init", hdcp->auth.msg.hdcp2.ake_init, \ 141 sizeof(hdcp->auth.msg.hdcp2.ake_init)); \ 142 HDCP_DDC_READ_TRACE(hdcp, "AKE Cert", hdcp->auth.msg.hdcp2.ake_cert, \ 143 sizeof(hdcp->auth.msg.hdcp2.ake_cert)); \ 144 HDCP_DDC_WRITE_TRACE(hdcp, "Stored KM", \ 145 hdcp->auth.msg.hdcp2.ake_stored_km, \ 146 sizeof(hdcp->auth.msg.hdcp2.ake_stored_km)); \ 147 HDCP_DDC_WRITE_TRACE(hdcp, "No Stored KM", \ 148 hdcp->auth.msg.hdcp2.ake_no_stored_km, \ 149 sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)); \ 150 HDCP_DDC_READ_TRACE(hdcp, "H'", hdcp->auth.msg.hdcp2.ake_h_prime, \ 151 sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)); \ 152 HDCP_DDC_READ_TRACE(hdcp, "Pairing Info", \ 153 hdcp->auth.msg.hdcp2.ake_pairing_info, \ 154 sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)); \ 155 HDCP_DDC_WRITE_TRACE(hdcp, "LC Init", hdcp->auth.msg.hdcp2.lc_init, \ 156 sizeof(hdcp->auth.msg.hdcp2.lc_init)); \ 157 HDCP_DDC_READ_TRACE(hdcp, "L'", hdcp->auth.msg.hdcp2.lc_l_prime, \ 158 sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)); \ 159 HDCP_DDC_WRITE_TRACE(hdcp, "Exchange KS", hdcp->auth.msg.hdcp2.ske_eks, \ 160 sizeof(hdcp->auth.msg.hdcp2.ske_eks)); \ 161 HDCP_DDC_READ_TRACE(hdcp, "Rx Status", \ 162 (uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus, \ 163 sizeof(hdcp->auth.msg.hdcp2.rxstatus)); \ 164 HDCP_DDC_READ_TRACE(hdcp, "Rx Id List", \ 165 hdcp->auth.msg.hdcp2.rx_id_list, \ 166 hdcp->auth.msg.hdcp2.rx_id_list_size); \ 167 HDCP_DDC_WRITE_TRACE(hdcp, "Rx Id List Ack", \ 168 hdcp->auth.msg.hdcp2.repeater_auth_ack, \ 169 sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack)); \ 170 HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Management", \ 171 hdcp->auth.msg.hdcp2.repeater_auth_stream_manage, \ 172 hdcp->auth.msg.hdcp2.stream_manage_size); \ 173 HDCP_DDC_READ_TRACE(hdcp, "Stream Ready", \ 174 hdcp->auth.msg.hdcp2.repeater_auth_stream_ready, \ 175 sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)); \ 176 HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Type", \ 177 hdcp->auth.msg.hdcp2.content_stream_type_dp, \ 178 sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp)); \ 179 } \ 180 } while (0) 181 #define HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, i) \ 182 HDCP_LOG_TOP(hdcp, "[Link %d]\tadd display %d", \ 183 hdcp->config.index, i) 184 #define HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, i) \ 185 HDCP_LOG_TOP(hdcp, "[Link %d]\tremove display %d", \ 186 hdcp->config.index, i) 187 #define HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp) \ 188 HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp1 session", \ 189 hdcp->config.index) 190 #define HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp) \ 191 HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp2 session", \ 192 hdcp->config.index) 193 #define HDCP_TOP_RESET_AUTH_TRACE(hdcp) \ 194 HDCP_LOG_TOP(hdcp, "[Link %d]\treset authentication", hdcp->config.index) 195 #define HDCP_TOP_RESET_CONN_TRACE(hdcp) \ 196 HDCP_LOG_TOP(hdcp, "[Link %d]\treset connection", hdcp->config.index) 197 #define HDCP_TOP_INTERFACE_TRACE(hdcp) do { \ 198 HDCP_LOG_TOP(hdcp, "\n"); \ 199 HDCP_LOG_TOP(hdcp, "[Link %d] %s", hdcp->config.index, __func__); \ 200 } while (0) 201 #define HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, i) do { \ 202 HDCP_LOG_TOP(hdcp, "\n"); \ 203 HDCP_LOG_TOP(hdcp, "[Link %d] %s display %d", hdcp->config.index, __func__, i); \ 204 } while (0) 205 206 #endif // MOD_HDCP_LOG_H_ 207