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@xxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Uma Shankar <uma.shankar@xxxxxxxxx>
Cc: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
Signed-off-by: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
Signed-off-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
drivers/misc/mei/hdcp/mei_hdcp.c | 44 ++--
drivers/misc/mei/hdcp/mei_hdcp.h | 354 -----------------------------
include/drm/i915_hdcp_interface.h | 355 ++++++++++++++++++++++++++++++
3 files changed, 377 insertions(+), 376 deletions(-)
diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index 9e85bf916091..7728fe685476 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.c
+++ b/drivers/misc/mei/hdcp/mei_hdcp.c
@@ -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;
diff --git a/drivers/misc/mei/hdcp/mei_hdcp.h b/drivers/misc/mei/hdcp/mei_hdcp.h
index ca09c8f83d6b..0683d83ec17a 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.h
+++ b/drivers/misc/mei/hdcp/mei_hdcp.h
@@ -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__ */
diff --git a/include/drm/i915_hdcp_interface.h b/include/drm/i915_hdcp_interface.h
index 0bf5c385050b..2059b066f8a1 100644
--- a/include/drm/i915_hdcp_interface.h
+++ b/include/drm/i915_hdcp_interface.h
@@ -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_ */
--
2.25.1
