drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c

   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
  27 #include "hdcp.h"
  28
  29 void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size,
  30                 uint8_t *buf, uint32_t buf_size)
  31 {
  32         const uint8_t bytes_per_line = 16,
  33                         byte_size = 3,
  34                         newline_size = 1,
  35                         terminator_size = 1;
  36         uint32_t line_count = msg_size / bytes_per_line,
  37                         trailing_bytes = msg_size % bytes_per_line;
  38         uint32_t target_size = (byte_size * bytes_per_line + newline_size) * line_count +
  39                         byte_size * trailing_bytes + newline_size + terminator_size;
  40         uint32_t buf_pos = 0;
  41         uint32_t i = 0;
  42
  43         if (buf_size >= target_size) {
  44                 for (i = 0; i < msg_size; i++) {
  45                         if (i % bytes_per_line == 0)
  46                                 buf[buf_pos++] = '\n';
  47                         sprintf(&buf[buf_pos], "%02X ", msg[i]);
  48                         buf_pos += byte_size;
  49                 }
  50                 buf[buf_pos++] = '\0';
  51         }
  52 }
  53
  54 char *mod_hdcp_status_to_str(int32_t status)
  55 {
  56         switch (status) {
  57         case MOD_HDCP_STATUS_SUCCESS:
  58                 return "MOD_HDCP_STATUS_SUCCESS";
  59         case MOD_HDCP_STATUS_FAILURE:
  60                 return "MOD_HDCP_STATUS_FAILURE";
  61         case MOD_HDCP_STATUS_RESET_NEEDED:
  62                 return "MOD_HDCP_STATUS_RESET_NEEDED";
  63         case MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND:
  64                 return "MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND";
  65         case MOD_HDCP_STATUS_DISPLAY_NOT_FOUND:
  66                 return "MOD_HDCP_STATUS_DISPLAY_NOT_FOUND";
  67         case MOD_HDCP_STATUS_INVALID_STATE:
  68                 return "MOD_HDCP_STATUS_INVALID_STATE";
  69         case MOD_HDCP_STATUS_NOT_IMPLEMENTED:
  70                 return "MOD_HDCP_STATUS_NOT_IMPLEMENTED";
  71         case MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE:
  72                 return "MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE";
  73         case MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE:
  74                 return "MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE";
  75         case MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE:
  76                 return "MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE";
  77         case MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE:
  78                 return "MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE";
  79         case MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE:
  80                 return "MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE";
  81         case MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE:
  82                 return "MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE";
  83         case MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE:
  84                 return "MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE";
  85         case MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER:
  86                 return "MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER";
  87         case MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE:
  88                 return "MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE";
  89         case MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING:
  90                 return "MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING";
  91         case MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE:
  92                 return "MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE";
  93         case MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY:
  94                 return "MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY";
  95         case MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE:
  96                 return "MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE";
  97         case MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION:
  98                 return "MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION";
  99         case MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE:
 100                 return "MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE";
 101         case MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE:
 102                 return "MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE";
 103         case MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE:
 104                 return "MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE";
 105         case MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE:
 106                 return "MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE";
 107         case MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE:
 108                 return "MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE";
 109         case MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED:
 110                 return "MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED";
 111         case MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE:
 112                 return "MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE";
 113         case MOD_HDCP_STATUS_HDCP1_INVALID_BKSV:
 114                 return "MOD_HDCP_STATUS_HDCP1_INVALID_BKSV";
 115         case MOD_HDCP_STATUS_DDC_FAILURE:
 116                 return "MOD_HDCP_STATUS_DDC_FAILURE";
 117         case MOD_HDCP_STATUS_INVALID_OPERATION:
 118                 return "MOD_HDCP_STATUS_INVALID_OPERATION";
 119         default:
 120                 return "MOD_HDCP_STATUS_UNKNOWN";
 121         }
 122 }
 123
 124 char *mod_hdcp_state_id_to_str(int32_t id)
 125 {
 126         switch (id) {
 127         case HDCP_UNINITIALIZED:
 128                 return "HDCP_UNINITIALIZED";
 129         case HDCP_INITIALIZED:
 130                 return "HDCP_INITIALIZED";
 131         case HDCP_CP_NOT_DESIRED:
 132                 return "HDCP_CP_NOT_DESIRED";
 133         case H1_A0_WAIT_FOR_ACTIVE_RX:
 134                 return "H1_A0_WAIT_FOR_ACTIVE_RX";
 135         case H1_A1_EXCHANGE_KSVS:
 136                 return "H1_A1_EXCHANGE_KSVS";
 137         case H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER:
 138                 return "H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER";
 139         case H1_A45_AUTHENICATED:
 140                 return "H1_A45_AUTHENICATED";
 141         case H1_A8_WAIT_FOR_READY:
 142                 return "H1_A8_WAIT_FOR_READY";
 143         case H1_A9_READ_KSV_LIST:
 144                 return "H1_A9_READ_KSV_LIST";
 145         case D1_A0_DETERMINE_RX_HDCP_CAPABLE:
 146                 return "D1_A0_DETERMINE_RX_HDCP_CAPABLE";
 147         case D1_A1_EXCHANGE_KSVS:
 148                 return "D1_A1_EXCHANGE_KSVS";
 149         case D1_A23_WAIT_FOR_R0_PRIME:
 150                 return "D1_A23_WAIT_FOR_R0_PRIME";
 151         case D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER:
 152                 return "D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER";
 153         case D1_A4_AUTHENICATED:
 154                 return "D1_A4_AUTHENICATED";
 155         case D1_A6_WAIT_FOR_READY:
 156                 return "D1_A6_WAIT_FOR_READY";
 157         case D1_A7_READ_KSV_LIST:
 158                 return "D1_A7_READ_KSV_LIST";
 159         default:
 160                 return "UNKNOWN_STATE_ID";
 161         };
 162 }
 163