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Commit 33898377 authored by Suraj Kandpal's avatar Suraj Kandpal Committed by Uma Shankar
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drm/i915/hdcp: Refactor HDCP API structures 

It requires to move intel specific HDCP API structures to
i915_hdcp_interface.h from driver/misc/mei/hdcp/mei_hdcp.h
so that any content protection fw interfaces can use these
structures.

Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: default avatarAnshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: default avatarSuraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: default avatarUma Shankar <uma.shankar@intel.com>
Signed-off-by: default avatarUma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230316092927.668980-5-suraj.kandpal@intel.com
parent f210d8d2
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Showing with 377 additions and 376 deletions
drivers/misc/mei/hdcp/mei_hdcp.c
View file @ 33898377
......@@ -52,7 +52,7 @@ mei_hdcp_initiate_session(struct device *dev, struct hdcp_port_data *data,
session_init_in.header.api_version = HDCP_API_VERSION;
session_init_in.header.command_id = WIRED_INITIATE_HDCP2_SESSION;
session_init_in.header.status = ME_HDCP_STATUS_SUCCESS;
session_init_in.header.status = FW_HDCP_STATUS_SUCCESS;
session_init_in.header.buffer_len =
WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_IN;
......@@ -75,7 +75,7 @@ mei_hdcp_initiate_session(struct device *dev, struct hdcp_port_data *data,
return byte;
}
if (session_init_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (session_init_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n",
WIRED_INITIATE_HDCP2_SESSION,
session_init_out.header.status);
......@@ -122,7 +122,7 @@ mei_hdcp_verify_receiver_cert_prepare_km(struct device *dev,
verify_rxcert_in.header.api_version = HDCP_API_VERSION;
verify_rxcert_in.header.command_id = WIRED_VERIFY_RECEIVER_CERT;
verify_rxcert_in.header.status = ME_HDCP_STATUS_SUCCESS;
verify_rxcert_in.header.status = FW_HDCP_STATUS_SUCCESS;
verify_rxcert_in.header.buffer_len =
WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_IN;
......@@ -148,7 +148,7 @@ mei_hdcp_verify_receiver_cert_prepare_km(struct device *dev,
return byte;
}
if (verify_rxcert_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (verify_rxcert_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n",
WIRED_VERIFY_RECEIVER_CERT,
verify_rxcert_out.header.status);
......@@ -194,7 +194,7 @@ mei_hdcp_verify_hprime(struct device *dev, struct hdcp_port_data *data,
send_hprime_in.header.api_version = HDCP_API_VERSION;
send_hprime_in.header.command_id = WIRED_AKE_SEND_HPRIME;
send_hprime_in.header.status = ME_HDCP_STATUS_SUCCESS;
send_hprime_in.header.status = FW_HDCP_STATUS_SUCCESS;
send_hprime_in.header.buffer_len = WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN;
send_hprime_in.port.integrated_port_type = data->port_type;
......@@ -218,7 +218,7 @@ mei_hdcp_verify_hprime(struct device *dev, struct hdcp_port_data *data,
return byte;
}
if (send_hprime_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (send_hprime_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n",
WIRED_AKE_SEND_HPRIME, send_hprime_out.header.status);
return -EIO;
......@@ -251,7 +251,7 @@ mei_hdcp_store_pairing_info(struct device *dev, struct hdcp_port_data *data,
pairing_info_in.header.api_version = HDCP_API_VERSION;
pairing_info_in.header.command_id = WIRED_AKE_SEND_PAIRING_INFO;
pairing_info_in.header.status = ME_HDCP_STATUS_SUCCESS;
pairing_info_in.header.status = FW_HDCP_STATUS_SUCCESS;
pairing_info_in.header.buffer_len =
WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN;
......@@ -276,7 +276,7 @@ mei_hdcp_store_pairing_info(struct device *dev, struct hdcp_port_data *data,
return byte;
}
if (pairing_info_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (pairing_info_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X failed. Status: 0x%X\n",
WIRED_AKE_SEND_PAIRING_INFO,
pairing_info_out.header.status);
......@@ -311,7 +311,7 @@ mei_hdcp_initiate_locality_check(struct device *dev,
lc_init_in.header.api_version = HDCP_API_VERSION;
lc_init_in.header.command_id = WIRED_INIT_LOCALITY_CHECK;
lc_init_in.header.status = ME_HDCP_STATUS_SUCCESS;
lc_init_in.header.status = FW_HDCP_STATUS_SUCCESS;
lc_init_in.header.buffer_len = WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_IN;
lc_init_in.port.integrated_port_type = data->port_type;
......@@ -330,7 +330,7 @@ mei_hdcp_initiate_locality_check(struct device *dev,
return byte;
}
if (lc_init_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (lc_init_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X Failed. status: 0x%X\n",
WIRED_INIT_LOCALITY_CHECK, lc_init_out.header.status);
return -EIO;
......@@ -366,7 +366,7 @@ mei_hdcp_verify_lprime(struct device *dev, struct hdcp_port_data *data,
verify_lprime_in.header.api_version = HDCP_API_VERSION;
verify_lprime_in.header.command_id = WIRED_VALIDATE_LOCALITY;
verify_lprime_in.header.status = ME_HDCP_STATUS_SUCCESS;
verify_lprime_in.header.status = FW_HDCP_STATUS_SUCCESS;
verify_lprime_in.header.buffer_len =
WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_IN;
......@@ -391,7 +391,7 @@ mei_hdcp_verify_lprime(struct device *dev, struct hdcp_port_data *data,
return byte;
}
if (verify_lprime_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (verify_lprime_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
WIRED_VALIDATE_LOCALITY,
verify_lprime_out.header.status);
......@@ -425,7 +425,7 @@ static int mei_hdcp_get_session_key(struct device *dev,
get_skey_in.header.api_version = HDCP_API_VERSION;
get_skey_in.header.command_id = WIRED_GET_SESSION_KEY;
get_skey_in.header.status = ME_HDCP_STATUS_SUCCESS;
get_skey_in.header.status = FW_HDCP_STATUS_SUCCESS;
get_skey_in.header.buffer_len = WIRED_CMD_BUF_LEN_GET_SESSION_KEY_IN;
get_skey_in.port.integrated_port_type = data->port_type;
......@@ -445,7 +445,7 @@ static int mei_hdcp_get_session_key(struct device *dev,
return byte;
}
if (get_skey_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (get_skey_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
WIRED_GET_SESSION_KEY, get_skey_out.header.status);
return -EIO;
......@@ -489,7 +489,7 @@ mei_hdcp_repeater_check_flow_prepare_ack(struct device *dev,
verify_repeater_in.header.api_version = HDCP_API_VERSION;
verify_repeater_in.header.command_id = WIRED_VERIFY_REPEATER;
verify_repeater_in.header.status = ME_HDCP_STATUS_SUCCESS;
verify_repeater_in.header.status = FW_HDCP_STATUS_SUCCESS;
verify_repeater_in.header.buffer_len =
WIRED_CMD_BUF_LEN_VERIFY_REPEATER_IN;
......@@ -520,7 +520,7 @@ mei_hdcp_repeater_check_flow_prepare_ack(struct device *dev,
return byte;
}
if (verify_repeater_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (verify_repeater_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
WIRED_VERIFY_REPEATER,
verify_repeater_out.header.status);
......@@ -568,7 +568,7 @@ static int mei_hdcp_verify_mprime(struct device *dev,
verify_mprime_in->header.api_version = HDCP_API_VERSION;
verify_mprime_in->header.command_id = WIRED_REPEATER_AUTH_STREAM_REQ;
verify_mprime_in->header.status = ME_HDCP_STATUS_SUCCESS;
verify_mprime_in->header.status = FW_HDCP_STATUS_SUCCESS;
verify_mprime_in->header.buffer_len = cmd_size - sizeof(verify_mprime_in->header);
verify_mprime_in->port.integrated_port_type = data->port_type;
......@@ -597,7 +597,7 @@ static int mei_hdcp_verify_mprime(struct device *dev,
return byte;
}
if (verify_mprime_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (verify_mprime_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
WIRED_REPEATER_AUTH_STREAM_REQ,
verify_mprime_out.header.status);
......@@ -630,7 +630,7 @@ static int mei_hdcp_enable_authentication(struct device *dev,
enable_auth_in.header.api_version = HDCP_API_VERSION;
enable_auth_in.header.command_id = WIRED_ENABLE_AUTH;
enable_auth_in.header.status = ME_HDCP_STATUS_SUCCESS;
enable_auth_in.header.status = FW_HDCP_STATUS_SUCCESS;
enable_auth_in.header.buffer_len = WIRED_CMD_BUF_LEN_ENABLE_AUTH_IN;
enable_auth_in.port.integrated_port_type = data->port_type;
......@@ -652,7 +652,7 @@ static int mei_hdcp_enable_authentication(struct device *dev,
return byte;
}
if (enable_auth_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (enable_auth_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
WIRED_ENABLE_AUTH, enable_auth_out.header.status);
return -EIO;
......@@ -684,7 +684,7 @@ mei_hdcp_close_session(struct device *dev, struct hdcp_port_data *data)
session_close_in.header.api_version = HDCP_API_VERSION;
session_close_in.header.command_id = WIRED_CLOSE_SESSION;
session_close_in.header.status = ME_HDCP_STATUS_SUCCESS;
session_close_in.header.status = FW_HDCP_STATUS_SUCCESS;
session_close_in.header.buffer_len =
WIRED_CMD_BUF_LEN_CLOSE_SESSION_IN;
......@@ -706,7 +706,7 @@ mei_hdcp_close_session(struct device *dev, struct hdcp_port_data *data)
return byte;
}
if (session_close_out.header.status != ME_HDCP_STATUS_SUCCESS) {
if (session_close_out.header.status != FW_HDCP_STATUS_SUCCESS) {
dev_dbg(dev, "Session Close Failed. status: 0x%X\n",
session_close_out.header.status);
return -EIO;
......
drivers/misc/mei/hdcp/mei_hdcp.h
View file @ 33898377
......@@ -11,358 +11,4 @@
#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__ */
include/drm/i915_hdcp_interface.h
View file @ 33898377
......@@ -181,4 +181,359 @@ struct i915_hdcp_master {
struct mutex mutex;
};
/* fw_hdcp_status: Enumeration of all HDCP Status Codes */
enum fw_hdcp_status {
FW_HDCP_STATUS_SUCCESS = 0x0000,
/* WiDi Generic Status Codes */
FW_HDCP_STATUS_INTERNAL_ERROR = 0x1000,
FW_HDCP_STATUS_UNKNOWN_ERROR = 0x1001,
FW_HDCP_STATUS_INCORRECT_API_VERSION = 0x1002,
FW_HDCP_STATUS_INVALID_FUNCTION = 0x1003,
FW_HDCP_STATUS_INVALID_BUFFER_LENGTH = 0x1004,
FW_HDCP_STATUS_INVALID_PARAMS = 0x1005,
FW_HDCP_STATUS_AUTHENTICATION_FAILED = 0x1006,
/* WiDi Status Codes */
FW_HDCP_INVALID_SESSION_STATE = 0x6000,
FW_HDCP_SRM_FRAGMENT_UNEXPECTED = 0x6001,
FW_HDCP_SRM_INVALID_LENGTH = 0x6002,
FW_HDCP_SRM_FRAGMENT_OFFSET_INVALID = 0x6003,
FW_HDCP_SRM_VERIFICATION_FAILED = 0x6004,
FW_HDCP_SRM_VERSION_TOO_OLD = 0x6005,
FW_HDCP_RX_CERT_VERIFICATION_FAILED = 0x6006,
FW_HDCP_RX_REVOKED = 0x6007,
FW_HDCP_H_VERIFICATION_FAILED = 0x6008,
FW_HDCP_REPEATER_CHECK_UNEXPECTED = 0x6009,
FW_HDCP_TOPOLOGY_MAX_EXCEEDED = 0x600A,
FW_HDCP_V_VERIFICATION_FAILED = 0x600B,
FW_HDCP_L_VERIFICATION_FAILED = 0x600C,
FW_HDCP_STREAM_KEY_ALLOC_FAILED = 0x600D,
FW_HDCP_BASE_KEY_RESET_FAILED = 0x600E,
FW_HDCP_NONCE_GENERATION_FAILED = 0x600F,
FW_HDCP_STATUS_INVALID_E_KEY_STATE = 0x6010,
FW_HDCP_STATUS_INVALID_CS_ICV = 0x6011,
FW_HDCP_STATUS_INVALID_KB_KEY_STATE = 0x6012,
FW_HDCP_STATUS_INVALID_PAVP_MODE_ICV = 0x6013,
FW_HDCP_STATUS_INVALID_PAVP_MODE = 0x6014,
FW_HDCP_STATUS_LC_MAX_ATTEMPTS = 0x6015,
/* New status for HDCP 2.1 */
FW_HDCP_STATUS_MISMATCH_IN_M = 0x6016,
/* New status code for HDCP 2.2 Rx */
FW_HDCP_STATUS_RX_PROV_NOT_ALLOWED = 0x6017,
FW_HDCP_STATUS_RX_PROV_WRONG_SUBJECT = 0x6018,
FW_HDCP_RX_NEEDS_PROVISIONING = 0x6019,
FW_HDCP_BKSV_ICV_AUTH_FAILED = 0x6020,
FW_HDCP_STATUS_INVALID_STREAM_ID = 0x6021,
FW_HDCP_STATUS_CHAIN_NOT_INITIALIZED = 0x6022,
FW_HDCP_FAIL_NOT_EXPECTED = 0x6023,
FW_HDCP_FAIL_HDCP_OFF = 0x6024,
FW_HDCP_FAIL_INVALID_PAVP_MEMORY_MODE = 0x6025,
FW_HDCP_FAIL_AES_ECB_FAILURE = 0x6026,
FW_HDCP_FEATURE_NOT_SUPPORTED = 0x6027,
FW_HDCP_DMA_READ_ERROR = 0x6028,
FW_HDCP_DMA_WRITE_ERROR = 0x6029,
FW_HDCP_FAIL_INVALID_PACKET_SIZE = 0x6030,
FW_HDCP_H264_PARSING_ERROR = 0x6031,
FW_HDCP_HDCP2_ERRATA_VIDEO_VIOLATION = 0x6032,
FW_HDCP_HDCP2_ERRATA_AUDIO_VIOLATION = 0x6033,
FW_HDCP_TX_ACTIVE_ERROR = 0x6034,
FW_HDCP_MODE_CHANGE_ERROR = 0x6035,
FW_HDCP_STREAM_TYPE_ERROR = 0x6036,
FW_HDCP_STREAM_MANAGE_NOT_POSSIBLE = 0x6037,
FW_HDCP_STATUS_PORT_INVALID_COMMAND = 0x6038,
FW_HDCP_STATUS_UNSUPPORTED_PROTOCOL = 0x6039,
FW_HDCP_STATUS_INVALID_PORT_INDEX = 0x603a,
FW_HDCP_STATUS_TX_AUTH_NEEDED = 0x603b,
FW_HDCP_STATUS_NOT_INTEGRATED_PORT = 0x603c,
FW_HDCP_STATUS_SESSION_MAX_REACHED = 0x603d,
/* hdcp capable bit is not set in rx_caps(error is unique to DP) */
FW_HDCP_STATUS_NOT_HDCP_CAPABLE = 0x6041,
FW_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 fw_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 /* _I915_HDCP_INTERFACE_H_ */
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