1 /* 2 * Copyright 2022 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 DC_HDMI_TYPES_H 27 #define DC_HDMI_TYPES_H 28 29 #include "os_types.h" 30 31 /* Address range from 0x00 to 0x1F.*/ 32 #define DP_ADAPTOR_TYPE2_SIZE 0x20 33 #define DP_ADAPTOR_TYPE2_REG_ID 0x10 34 #define DP_ADAPTOR_TYPE2_REG_MAX_TMDS_CLK 0x1D 35 /* Identifies adaptor as Dual-mode adaptor */ 36 #define DP_ADAPTOR_TYPE2_ID 0xA0 37 /* MHz*/ 38 #define DP_ADAPTOR_TYPE2_MAX_TMDS_CLK 600 39 /* MHz*/ 40 #define DP_ADAPTOR_TYPE2_MIN_TMDS_CLK 25 41 /* kHZ*/ 42 #define DP_ADAPTOR_DVI_MAX_TMDS_CLK 165000 43 /* kHZ*/ 44 #define DP_ADAPTOR_HDMI_SAFE_MAX_TMDS_CLK 165000 45 46 struct dp_hdmi_dongle_signature_data { 47 int8_t id[15];/* "DP-HDMI ADAPTOR"*/ 48 uint8_t eot;/* end of transmition '\x4' */ 49 }; 50 51 /* DP-HDMI dongle slave address for retrieving dongle signature*/ 52 #define DP_HDMI_DONGLE_ADDRESS 0x40 53 static const uint8_t dp_hdmi_dongle_signature_str[] = "DP-HDMI ADAPTOR"; 54 #define DP_HDMI_DONGLE_SIGNATURE_EOT 0x04 55 56 57 /* SCDC Address defines (HDMI 2.0)*/ 58 #define HDMI_SCDC_WRITE_UPDATE_0_ARRAY 3 59 #define HDMI_SCDC_ADDRESS 0x54 60 #define HDMI_SCDC_SINK_VERSION 0x01 61 #define HDMI_SCDC_SOURCE_VERSION 0x02 62 #define HDMI_SCDC_UPDATE_0 0x10 63 #define HDMI_SCDC_TMDS_CONFIG 0x20 64 #define HDMI_SCDC_SCRAMBLER_STATUS 0x21 65 #define HDMI_SCDC_CONFIG_0 0x30 66 #define HDMI_SCDC_CONFIG_1 0x31 67 #define HDMI_SCDC_SOURCE_TEST_REQ 0x35 68 #define HDMI_SCDC_STATUS_FLAGS 0x40 69 #define HDMI_SCDC_ERR_DETECT 0x50 70 #define HDMI_SCDC_TEST_CONFIG 0xC0 71 72 #define HDMI_SCDC_MANUFACTURER_OUI 0xD0 73 #define HDMI_SCDC_DEVICE_ID 0xDB 74 75 union hdmi_scdc_update_read_data { 76 uint8_t byte[2]; 77 struct { 78 uint8_t STATUS_UPDATE:1; 79 uint8_t CED_UPDATE:1; 80 uint8_t RR_TEST:1; 81 uint8_t RESERVED:5; 82 uint8_t RESERVED2:8; 83 } fields; 84 }; 85 86 union hdmi_scdc_status_flags_data { 87 uint8_t byte; 88 struct { 89 uint8_t CLOCK_DETECTED:1; 90 uint8_t CH0_LOCKED:1; 91 uint8_t CH1_LOCKED:1; 92 uint8_t CH2_LOCKED:1; 93 uint8_t RESERVED:4; 94 } fields; 95 }; 96 97 union hdmi_scdc_ced_data { 98 uint8_t byte[11]; 99 struct { 100 uint8_t CH0_8LOW:8; 101 uint8_t CH0_7HIGH:7; 102 uint8_t CH0_VALID:1; 103 uint8_t CH1_8LOW:8; 104 uint8_t CH1_7HIGH:7; 105 uint8_t CH1_VALID:1; 106 uint8_t CH2_8LOW:8; 107 uint8_t CH2_7HIGH:7; 108 uint8_t CH2_VALID:1; 109 uint8_t CHECKSUM:8; 110 uint8_t RESERVED:8; 111 uint8_t RESERVED2:8; 112 uint8_t RESERVED3:8; 113 uint8_t RESERVED4:4; 114 } fields; 115 }; 116 117 union hdmi_scdc_manufacturer_OUI_data { 118 uint8_t byte[3]; 119 struct { 120 uint8_t Manufacturer_OUI_1:8; 121 uint8_t Manufacturer_OUI_2:8; 122 uint8_t Manufacturer_OUI_3:8; 123 } fields; 124 }; 125 126 union hdmi_scdc_device_id_data { 127 uint8_t byte; 128 struct { 129 uint8_t Hardware_Minor_Rev:4; 130 uint8_t Hardware_Major_Rev:4; 131 } fields; 132 }; 133 134 #endif /* DC_HDMI_TYPES_H */ 135