378 lines
11 KiB
C
378 lines
11 KiB
C
/* 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/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;
|
|
u8 physical_port;
|
|
u16 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[1];
|
|
} __packed;
|
|
|
|
struct wired_cmd_repeater_auth_stream_req_out {
|
|
struct hdcp_cmd_header header;
|
|
struct hdcp_port_id port;
|
|
} __packed;
|
|
|
|
enum mei_fw_ddi {
|
|
MEI_DDI_INVALID_PORT = 0x0,
|
|
|
|
MEI_DDI_B = 1,
|
|
MEI_DDI_C,
|
|
MEI_DDI_D,
|
|
MEI_DDI_E,
|
|
MEI_DDI_F,
|
|
MEI_DDI_A = 7,
|
|
MEI_DDI_RANGE_END = MEI_DDI_A,
|
|
};
|
|
#endif /* __MEI_HDCP_H__ */
|