#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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