| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ramalingam C | 964 | 99.69% | 2 | 40.00% |
| Tomas Winkler | 1 | 0.10% | 1 | 20.00% |
| Gustavo A. R. Silva | 1 | 0.10% | 1 | 20.00% |
| Thomas Zimmermann | 1 | 0.10% | 1 | 20.00% |
| Total | 967 | 5 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright © 2019 Intel Corporation * * Authors: * Ramalingam C <ramalingam.c@intel.com> */ #ifndef __MEI_HDCP_H__ #define __MEI_HDCP_H__ #include <drm/display/drm_hdcp.h> /* me_hdcp_status: Enumeration of all HDCP Status Codes */ enum me_hdcp_status { ME_HDCP_STATUS_SUCCESS = 0x0000, /* WiDi Generic Status Codes */ ME_HDCP_STATUS_INTERNAL_ERROR = 0x1000, ME_HDCP_STATUS_UNKNOWN_ERROR = 0x1001, ME_HDCP_STATUS_INCORRECT_API_VERSION = 0x1002, ME_HDCP_STATUS_INVALID_FUNCTION = 0x1003, ME_HDCP_STATUS_INVALID_BUFFER_LENGTH = 0x1004, ME_HDCP_STATUS_INVALID_PARAMS = 0x1005, ME_HDCP_STATUS_AUTHENTICATION_FAILED = 0x1006, /* WiDi Status Codes */ ME_HDCP_INVALID_SESSION_STATE = 0x6000, ME_HDCP_SRM_FRAGMENT_UNEXPECTED = 0x6001, ME_HDCP_SRM_INVALID_LENGTH = 0x6002, ME_HDCP_SRM_FRAGMENT_OFFSET_INVALID = 0x6003, ME_HDCP_SRM_VERIFICATION_FAILED = 0x6004, ME_HDCP_SRM_VERSION_TOO_OLD = 0x6005, ME_HDCP_RX_CERT_VERIFICATION_FAILED = 0x6006, ME_HDCP_RX_REVOKED = 0x6007, ME_HDCP_H_VERIFICATION_FAILED = 0x6008, ME_HDCP_REPEATER_CHECK_UNEXPECTED = 0x6009, ME_HDCP_TOPOLOGY_MAX_EXCEEDED = 0x600A, ME_HDCP_V_VERIFICATION_FAILED = 0x600B, ME_HDCP_L_VERIFICATION_FAILED = 0x600C, ME_HDCP_STREAM_KEY_ALLOC_FAILED = 0x600D, ME_HDCP_BASE_KEY_RESET_FAILED = 0x600E, ME_HDCP_NONCE_GENERATION_FAILED = 0x600F, ME_HDCP_STATUS_INVALID_E_KEY_STATE = 0x6010, ME_HDCP_STATUS_INVALID_CS_ICV = 0x6011, ME_HDCP_STATUS_INVALID_KB_KEY_STATE = 0x6012, ME_HDCP_STATUS_INVALID_PAVP_MODE_ICV = 0x6013, ME_HDCP_STATUS_INVALID_PAVP_MODE = 0x6014, ME_HDCP_STATUS_LC_MAX_ATTEMPTS = 0x6015, /* New status for HDCP 2.1 */ ME_HDCP_STATUS_MISMATCH_IN_M = 0x6016, /* New status code for HDCP 2.2 Rx */ ME_HDCP_STATUS_RX_PROV_NOT_ALLOWED = 0x6017, ME_HDCP_STATUS_RX_PROV_WRONG_SUBJECT = 0x6018, ME_HDCP_RX_NEEDS_PROVISIONING = 0x6019, ME_HDCP_BKSV_ICV_AUTH_FAILED = 0x6020, ME_HDCP_STATUS_INVALID_STREAM_ID = 0x6021, ME_HDCP_STATUS_CHAIN_NOT_INITIALIZED = 0x6022, ME_HDCP_FAIL_NOT_EXPECTED = 0x6023, ME_HDCP_FAIL_HDCP_OFF = 0x6024, ME_HDCP_FAIL_INVALID_PAVP_MEMORY_MODE = 0x6025, ME_HDCP_FAIL_AES_ECB_FAILURE = 0x6026, ME_HDCP_FEATURE_NOT_SUPPORTED = 0x6027, ME_HDCP_DMA_READ_ERROR = 0x6028, ME_HDCP_DMA_WRITE_ERROR = 0x6029, ME_HDCP_FAIL_INVALID_PACKET_SIZE = 0x6030, ME_HDCP_H264_PARSING_ERROR = 0x6031, ME_HDCP_HDCP2_ERRATA_VIDEO_VIOLATION = 0x6032, ME_HDCP_HDCP2_ERRATA_AUDIO_VIOLATION = 0x6033, ME_HDCP_TX_ACTIVE_ERROR = 0x6034, ME_HDCP_MODE_CHANGE_ERROR = 0x6035, ME_HDCP_STREAM_TYPE_ERROR = 0x6036, ME_HDCP_STREAM_MANAGE_NOT_POSSIBLE = 0x6037, ME_HDCP_STATUS_PORT_INVALID_COMMAND = 0x6038, ME_HDCP_STATUS_UNSUPPORTED_PROTOCOL = 0x6039, ME_HDCP_STATUS_INVALID_PORT_INDEX = 0x603a, ME_HDCP_STATUS_TX_AUTH_NEEDED = 0x603b, ME_HDCP_STATUS_NOT_INTEGRATED_PORT = 0x603c, ME_HDCP_STATUS_SESSION_MAX_REACHED = 0x603d, /* hdcp capable bit is not set in rx_caps(error is unique to DP) */ ME_HDCP_STATUS_NOT_HDCP_CAPABLE = 0x6041, ME_HDCP_STATUS_INVALID_STREAM_COUNT = 0x6042, }; #define HDCP_API_VERSION 0x00010000 #define HDCP_M_LEN 16 #define HDCP_KH_LEN 16 /* Payload Buffer size(Excluding Header) for CMDs and corresponding response */ /* Wired_Tx_AKE */ #define WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_IN (4 + 1) #define WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_OUT (4 + 8 + 3) #define WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_IN (4 + 522 + 8 + 3) #define WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_MIN_OUT (4 + 1 + 3 + 16 + 16) #define WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_MAX_OUT (4 + 1 + 3 + 128) #define WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN (4 + 32) #define WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_OUT (4) #define WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN (4 + 16) #define WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_OUT (4) #define WIRED_CMD_BUF_LEN_CLOSE_SESSION_IN (4) #define WIRED_CMD_BUF_LEN_CLOSE_SESSION_OUT (4) /* Wired_Tx_LC */ #define WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_IN (4) #define WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_OUT (4 + 8) #define WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_IN (4 + 32) #define WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_OUT (4) /* Wired_Tx_SKE */ #define WIRED_CMD_BUF_LEN_GET_SESSION_KEY_IN (4) #define WIRED_CMD_BUF_LEN_GET_SESSION_KEY_OUT (4 + 16 + 8) /* Wired_Tx_SKE */ #define WIRED_CMD_BUF_LEN_ENABLE_AUTH_IN (4 + 1) #define WIRED_CMD_BUF_LEN_ENABLE_AUTH_OUT (4) /* Wired_Tx_Repeater */ #define WIRED_CMD_BUF_LEN_VERIFY_REPEATER_IN (4 + 2 + 3 + 16 + 155) #define WIRED_CMD_BUF_LEN_VERIFY_REPEATER_OUT (4 + 1 + 16) #define WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_MIN_IN (4 + 3 + \ 32 + 2 + 2) #define WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_OUT (4) /* hdcp_command_id: Enumeration of all WIRED HDCP Command IDs */ enum hdcp_command_id { _WIDI_COMMAND_BASE = 0x00030000, WIDI_INITIATE_HDCP2_SESSION = _WIDI_COMMAND_BASE, HDCP_GET_SRM_STATUS, HDCP_SEND_SRM_FRAGMENT, /* The wired HDCP Tx commands */ _WIRED_COMMAND_BASE = 0x00031000, WIRED_INITIATE_HDCP2_SESSION = _WIRED_COMMAND_BASE, WIRED_VERIFY_RECEIVER_CERT, WIRED_AKE_SEND_HPRIME, WIRED_AKE_SEND_PAIRING_INFO, WIRED_INIT_LOCALITY_CHECK, WIRED_VALIDATE_LOCALITY, WIRED_GET_SESSION_KEY, WIRED_ENABLE_AUTH, WIRED_VERIFY_REPEATER, WIRED_REPEATER_AUTH_STREAM_REQ, WIRED_CLOSE_SESSION, _WIRED_COMMANDS_COUNT, }; union encrypted_buff { u8 e_kpub_km[HDCP_2_2_E_KPUB_KM_LEN]; u8 e_kh_km_m[HDCP_2_2_E_KH_KM_M_LEN]; struct { u8 e_kh_km[HDCP_KH_LEN]; u8 m[HDCP_M_LEN]; } __packed; }; /* HDCP HECI message header. All header values are little endian. */ struct hdcp_cmd_header { u32 api_version; u32 command_id; enum me_hdcp_status status; /* Length of the HECI message (excluding the header) */ u32 buffer_len; } __packed; /* Empty command request or response. No data follows the header. */ struct hdcp_cmd_no_data { struct hdcp_cmd_header header; } __packed; /* Uniquely identifies the hdcp port being addressed for a given command. */ struct hdcp_port_id { u8 integrated_port_type; /* physical_port is used until Gen11.5. Must be zero for Gen11.5+ */ u8 physical_port; /* attached_transcoder is for Gen11.5+. Set to zero for <Gen11.5 */ u8 attached_transcoder; u8 reserved; } __packed; /* * Data structures for integrated wired HDCP2 Tx in * support of the AKE protocol */ /* HECI struct for integrated wired HDCP Tx session initiation. */ struct wired_cmd_initiate_hdcp2_session_in { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 protocol; /* for HDMI vs DP */ } __packed; struct wired_cmd_initiate_hdcp2_session_out { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 r_tx[HDCP_2_2_RTX_LEN]; struct hdcp2_tx_caps tx_caps; } __packed; /* HECI struct for ending an integrated wired HDCP Tx session. */ struct wired_cmd_close_session_in { struct hdcp_cmd_header header; struct hdcp_port_id port; } __packed; struct wired_cmd_close_session_out { struct hdcp_cmd_header header; struct hdcp_port_id port; } __packed; /* HECI struct for integrated wired HDCP Tx Rx Cert verification. */ struct wired_cmd_verify_receiver_cert_in { struct hdcp_cmd_header header; struct hdcp_port_id port; struct hdcp2_cert_rx cert_rx; u8 r_rx[HDCP_2_2_RRX_LEN]; u8 rx_caps[HDCP_2_2_RXCAPS_LEN]; } __packed; struct wired_cmd_verify_receiver_cert_out { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 km_stored; u8 reserved[3]; union encrypted_buff ekm_buff; } __packed; /* HECI struct for verification of Rx's Hprime in a HDCP Tx session */ struct wired_cmd_ake_send_hprime_in { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 h_prime[HDCP_2_2_H_PRIME_LEN]; } __packed; struct wired_cmd_ake_send_hprime_out { struct hdcp_cmd_header header; struct hdcp_port_id port; } __packed; /* * HECI struct for sending in AKE pairing data generated by the Rx in an * integrated wired HDCP Tx session. */ struct wired_cmd_ake_send_pairing_info_in { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 e_kh_km[HDCP_2_2_E_KH_KM_LEN]; } __packed; struct wired_cmd_ake_send_pairing_info_out { struct hdcp_cmd_header header; struct hdcp_port_id port; } __packed; /* Data structures for integrated wired HDCP2 Tx in support of the LC protocol*/ /* * HECI struct for initiating locality check with an * integrated wired HDCP Tx session. */ struct wired_cmd_init_locality_check_in { struct hdcp_cmd_header header; struct hdcp_port_id port; } __packed; struct wired_cmd_init_locality_check_out { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 r_n[HDCP_2_2_RN_LEN]; } __packed; /* * HECI struct for validating an Rx's LPrime value in an * integrated wired HDCP Tx session. */ struct wired_cmd_validate_locality_in { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 l_prime[HDCP_2_2_L_PRIME_LEN]; } __packed; struct wired_cmd_validate_locality_out { struct hdcp_cmd_header header; struct hdcp_port_id port; } __packed; /* * Data structures for integrated wired HDCP2 Tx in support of the * SKE protocol */ /* HECI struct for creating session key */ struct wired_cmd_get_session_key_in { struct hdcp_cmd_header header; struct hdcp_port_id port; } __packed; struct wired_cmd_get_session_key_out { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 e_dkey_ks[HDCP_2_2_E_DKEY_KS_LEN]; u8 r_iv[HDCP_2_2_RIV_LEN]; } __packed; /* HECI struct for the Tx enable authentication command */ struct wired_cmd_enable_auth_in { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 stream_type; } __packed; struct wired_cmd_enable_auth_out { struct hdcp_cmd_header header; struct hdcp_port_id port; } __packed; /* * Data structures for integrated wired HDCP2 Tx in support of * the repeater protocols */ /* * HECI struct for verifying the downstream repeater's HDCP topology in an * integrated wired HDCP Tx session. */ struct wired_cmd_verify_repeater_in { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 rx_info[HDCP_2_2_RXINFO_LEN]; u8 seq_num_v[HDCP_2_2_SEQ_NUM_LEN]; u8 v_prime[HDCP_2_2_V_PRIME_HALF_LEN]; u8 receiver_ids[HDCP_2_2_RECEIVER_IDS_MAX_LEN]; } __packed; struct wired_cmd_verify_repeater_out { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 content_type_supported; u8 v[HDCP_2_2_V_PRIME_HALF_LEN]; } __packed; /* * HECI struct in support of stream management in an * integrated wired HDCP Tx session. */ struct wired_cmd_repeater_auth_stream_req_in { struct hdcp_cmd_header header; struct hdcp_port_id port; u8 seq_num_m[HDCP_2_2_SEQ_NUM_LEN]; u8 m_prime[HDCP_2_2_MPRIME_LEN]; __be16 k; struct hdcp2_streamid_type streams[]; } __packed; struct wired_cmd_repeater_auth_stream_req_out { struct hdcp_cmd_header header; struct hdcp_port_id port; } __packed; #endif /* __MEI_HDCP_H__ */
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