From: Jani Nikula Date: Thu, 30 May 2024 13:19:10 +0000 (+0300) Subject: drm: move i915_hdcp_interface.h under include/drm/intel X-Git-Tag: ceph-for-6.11-rc2~142^2~20^2~172 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=3acbde3e9ef941fe6c847a007f72aefee0746226;p=ceph-client.git drm: move i915_hdcp_interface.h under include/drm/intel Clean up the top level include/drm directory by grouping all the Intel specific files under a common subdirectory. Cc: Daniel Vetter Cc: Dave Airlie Cc: Lucas De Marchi Cc: Tomas Winkler Acked-by: Lucas De Marchi Acked-by: Rodrigo Vivi Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/5f53384118e33123d3c87b94cc8835360237698b.1717075103.git.jani.nikula@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 012ff9e18b54f..52d0fd2bdc827 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -44,7 +44,7 @@ #include #include #include -#include +#include #include #include "i915_vma.h" diff --git a/drivers/gpu/drm/i915/display/intel_hdcp_gsc.c b/drivers/gpu/drm/i915/display/intel_hdcp_gsc.c index 35823e1f65d65..16afeb8a3a8d4 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp_gsc.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp_gsc.c @@ -3,7 +3,7 @@ * Copyright 2023, Intel Corporation. */ -#include +#include #include "gem/i915_gem_region.h" #include "gt/intel_gt.h" diff --git a/drivers/gpu/drm/i915/display/intel_hdcp_gsc_message.c b/drivers/gpu/drm/i915/display/intel_hdcp_gsc_message.c index 240b00849f3da..6548e71b4c493 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp_gsc_message.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp_gsc_message.c @@ -4,7 +4,7 @@ */ #include -#include +#include #include "i915_drv.h" #include "intel_hdcp_gsc_message.h" diff --git a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c index d46f87a039f20..e44adbccf6942 100644 --- a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c +++ b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c @@ -4,7 +4,7 @@ */ #include -#include +#include #include #include "abi/gsc_command_header_abi.h" diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c index e43ea536c947b..323f10620d904 100644 --- a/drivers/misc/mei/hdcp/mei_hdcp.c +++ b/drivers/misc/mei/hdcp/mei_hdcp.c @@ -24,7 +24,7 @@ #include #include #include -#include +#include #include "mei_hdcp.h" diff --git a/include/drm/i915_hdcp_interface.h b/include/drm/i915_hdcp_interface.h deleted file mode 100644 index d776ed7dcd00e..0000000000000 --- a/include/drm/i915_hdcp_interface.h +++ /dev/null @@ -1,547 +0,0 @@ -/* SPDX-License-Identifier: (GPL-2.0+) */ -/* - * Copyright © 2017-2019 Intel Corporation - * - * Authors: - * Ramalingam C - */ - -#ifndef _I915_HDCP_INTERFACE_H_ -#define _I915_HDCP_INTERFACE_H_ - -#include -#include -#include - -/** - * enum hdcp_port_type - HDCP port implementation type defined by ME/GSC FW - * @HDCP_PORT_TYPE_INVALID: Invalid hdcp port type - * @HDCP_PORT_TYPE_INTEGRATED: In-Host HDCP2.x port - * @HDCP_PORT_TYPE_LSPCON: HDCP2.2 discrete wired Tx port with LSPCON - * (HDMI 2.0) solution - * @HDCP_PORT_TYPE_CPDP: HDCP2.2 discrete wired Tx port using the CPDP (DP 1.3) - * solution - */ -enum hdcp_port_type { - HDCP_PORT_TYPE_INVALID, - HDCP_PORT_TYPE_INTEGRATED, - HDCP_PORT_TYPE_LSPCON, - HDCP_PORT_TYPE_CPDP -}; - -/** - * enum hdcp_wired_protocol - HDCP adaptation used on the port - * @HDCP_PROTOCOL_INVALID: Invalid HDCP adaptation protocol - * @HDCP_PROTOCOL_HDMI: HDMI adaptation of HDCP used on the port - * @HDCP_PROTOCOL_DP: DP adaptation of HDCP used on the port - */ -enum hdcp_wired_protocol { - HDCP_PROTOCOL_INVALID, - HDCP_PROTOCOL_HDMI, - HDCP_PROTOCOL_DP -}; - -enum hdcp_ddi { - HDCP_DDI_INVALID_PORT = 0x0, - - HDCP_DDI_B = 1, - HDCP_DDI_C, - HDCP_DDI_D, - HDCP_DDI_E, - HDCP_DDI_F, - HDCP_DDI_A = 7, - HDCP_DDI_RANGE_END = HDCP_DDI_A, -}; - -/** - * enum hdcp_transcoder - ME/GSC Firmware defined index for transcoders - * @HDCP_INVALID_TRANSCODER: Index for Invalid transcoder - * @HDCP_TRANSCODER_EDP: Index for EDP Transcoder - * @HDCP_TRANSCODER_DSI0: Index for DSI0 Transcoder - * @HDCP_TRANSCODER_DSI1: Index for DSI1 Transcoder - * @HDCP_TRANSCODER_A: Index for Transcoder A - * @HDCP_TRANSCODER_B: Index for Transcoder B - * @HDCP_TRANSCODER_C: Index for Transcoder C - * @HDCP_TRANSCODER_D: Index for Transcoder D - */ -enum hdcp_transcoder { - HDCP_INVALID_TRANSCODER = 0x00, - HDCP_TRANSCODER_EDP, - HDCP_TRANSCODER_DSI0, - HDCP_TRANSCODER_DSI1, - HDCP_TRANSCODER_A = 0x10, - HDCP_TRANSCODER_B, - HDCP_TRANSCODER_C, - HDCP_TRANSCODER_D -}; - -/** - * struct hdcp_port_data - intel specific HDCP port data - * @hdcp_ddi: ddi index as per ME/GSC FW - * @hdcp_transcoder: transcoder index as per ME/GSC FW - * @port_type: HDCP port type as per ME/GSC FW classification - * @protocol: HDCP adaptation as per ME/GSC FW - * @k: No of streams transmitted on a port. Only on DP MST this is != 1 - * @seq_num_m: Count of RepeaterAuth_Stream_Manage msg propagated. - * Initialized to 0 on AKE_INIT. Incremented after every successful - * transmission of RepeaterAuth_Stream_Manage message. When it rolls - * over re-Auth has to be triggered. - * @streams: struct hdcp2_streamid_type[k]. Defines the type and id for the - * streams - */ -struct hdcp_port_data { - enum hdcp_ddi hdcp_ddi; - enum hdcp_transcoder hdcp_transcoder; - u8 port_type; - u8 protocol; - u16 k; - u32 seq_num_m; - struct hdcp2_streamid_type *streams; -}; - -/** - * struct i915_hdcp_ops- ops for HDCP2.2 services. - * @owner: Module providing the ops - * @initiate_hdcp2_session: Initiate a Wired HDCP2.2 Tx Session. - * And Prepare AKE_Init. - * @verify_receiver_cert_prepare_km: Verify the Receiver Certificate - * AKE_Send_Cert and prepare - * AKE_Stored_Km/AKE_No_Stored_Km - * @verify_hprime: Verify AKE_Send_H_prime - * @store_pairing_info: Store pairing info received - * @initiate_locality_check: Prepare LC_Init - * @verify_lprime: Verify lprime - * @get_session_key: Prepare SKE_Send_Eks - * @repeater_check_flow_prepare_ack: Validate the Downstream topology - * and prepare rep_ack - * @verify_mprime: Verify mprime - * @enable_hdcp_authentication: Mark a port as authenticated. - * @close_hdcp_session: Close the Wired HDCP Tx session per port. - * This also disables the authenticated state of the port. - */ -struct i915_hdcp_ops { - /** - * @owner: hdcp module - */ - struct module *owner; - - int (*initiate_hdcp2_session)(struct device *dev, - struct hdcp_port_data *data, - struct hdcp2_ake_init *ake_data); - int (*verify_receiver_cert_prepare_km)(struct device *dev, - struct hdcp_port_data *data, - struct hdcp2_ake_send_cert - *rx_cert, - bool *km_stored, - struct hdcp2_ake_no_stored_km - *ek_pub_km, - size_t *msg_sz); - int (*verify_hprime)(struct device *dev, - struct hdcp_port_data *data, - struct hdcp2_ake_send_hprime *rx_hprime); - int (*store_pairing_info)(struct device *dev, - struct hdcp_port_data *data, - struct hdcp2_ake_send_pairing_info - *pairing_info); - int (*initiate_locality_check)(struct device *dev, - struct hdcp_port_data *data, - struct hdcp2_lc_init *lc_init_data); - int (*verify_lprime)(struct device *dev, - struct hdcp_port_data *data, - struct hdcp2_lc_send_lprime *rx_lprime); - int (*get_session_key)(struct device *dev, - struct hdcp_port_data *data, - struct hdcp2_ske_send_eks *ske_data); - int (*repeater_check_flow_prepare_ack)(struct device *dev, - struct hdcp_port_data *data, - struct hdcp2_rep_send_receiverid_list - *rep_topology, - struct hdcp2_rep_send_ack - *rep_send_ack); - int (*verify_mprime)(struct device *dev, - struct hdcp_port_data *data, - struct hdcp2_rep_stream_ready *stream_ready); - int (*enable_hdcp_authentication)(struct device *dev, - struct hdcp_port_data *data); - int (*close_hdcp_session)(struct device *dev, - struct hdcp_port_data *data); -}; - -/** - * struct i915_hdcp_arbiter - Used for communication between i915 - * and hdcp drivers for the HDCP2.2 services - */ -struct i915_hdcp_arbiter { - /** - * @hdcp_dev: device that provides the HDCP2.2 service from MEI Bus. - */ - struct device *hdcp_dev; - - /** - * @ops: Ops implemented by hdcp driver or intel_hdcp_gsc, used by i915 - * driver. - */ - const struct i915_hdcp_ops *ops; - - /** - * @mutex: To protect the above members. - */ - 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 + */ + +#ifndef _I915_HDCP_INTERFACE_H_ +#define _I915_HDCP_INTERFACE_H_ + +#include +#include +#include + +/** + * enum hdcp_port_type - HDCP port implementation type defined by ME/GSC FW + * @HDCP_PORT_TYPE_INVALID: Invalid hdcp port type + * @HDCP_PORT_TYPE_INTEGRATED: In-Host HDCP2.x port + * @HDCP_PORT_TYPE_LSPCON: HDCP2.2 discrete wired Tx port with LSPCON + * (HDMI 2.0) solution + * @HDCP_PORT_TYPE_CPDP: HDCP2.2 discrete wired Tx port using the CPDP (DP 1.3) + * solution + */ +enum hdcp_port_type { + HDCP_PORT_TYPE_INVALID, + HDCP_PORT_TYPE_INTEGRATED, + HDCP_PORT_TYPE_LSPCON, + HDCP_PORT_TYPE_CPDP +}; + +/** + * enum hdcp_wired_protocol - HDCP adaptation used on the port + * @HDCP_PROTOCOL_INVALID: Invalid HDCP adaptation protocol + * @HDCP_PROTOCOL_HDMI: HDMI adaptation of HDCP used on the port + * @HDCP_PROTOCOL_DP: DP adaptation of HDCP used on the port + */ +enum hdcp_wired_protocol { + HDCP_PROTOCOL_INVALID, + HDCP_PROTOCOL_HDMI, + HDCP_PROTOCOL_DP +}; + +enum hdcp_ddi { + HDCP_DDI_INVALID_PORT = 0x0, + + HDCP_DDI_B = 1, + HDCP_DDI_C, + HDCP_DDI_D, + HDCP_DDI_E, + HDCP_DDI_F, + HDCP_DDI_A = 7, + HDCP_DDI_RANGE_END = HDCP_DDI_A, +}; + +/** + * enum hdcp_transcoder - ME/GSC Firmware defined index for transcoders + * @HDCP_INVALID_TRANSCODER: Index for Invalid transcoder + * @HDCP_TRANSCODER_EDP: Index for EDP Transcoder + * @HDCP_TRANSCODER_DSI0: Index for DSI0 Transcoder + * @HDCP_TRANSCODER_DSI1: Index for DSI1 Transcoder + * @HDCP_TRANSCODER_A: Index for Transcoder A + * @HDCP_TRANSCODER_B: Index for Transcoder B + * @HDCP_TRANSCODER_C: Index for Transcoder C + * @HDCP_TRANSCODER_D: Index for Transcoder D + */ +enum hdcp_transcoder { + HDCP_INVALID_TRANSCODER = 0x00, + HDCP_TRANSCODER_EDP, + HDCP_TRANSCODER_DSI0, + HDCP_TRANSCODER_DSI1, + HDCP_TRANSCODER_A = 0x10, + HDCP_TRANSCODER_B, + HDCP_TRANSCODER_C, + HDCP_TRANSCODER_D +}; + +/** + * struct hdcp_port_data - intel specific HDCP port data + * @hdcp_ddi: ddi index as per ME/GSC FW + * @hdcp_transcoder: transcoder index as per ME/GSC FW + * @port_type: HDCP port type as per ME/GSC FW classification + * @protocol: HDCP adaptation as per ME/GSC FW + * @k: No of streams transmitted on a port. Only on DP MST this is != 1 + * @seq_num_m: Count of RepeaterAuth_Stream_Manage msg propagated. + * Initialized to 0 on AKE_INIT. Incremented after every successful + * transmission of RepeaterAuth_Stream_Manage message. When it rolls + * over re-Auth has to be triggered. + * @streams: struct hdcp2_streamid_type[k]. Defines the type and id for the + * streams + */ +struct hdcp_port_data { + enum hdcp_ddi hdcp_ddi; + enum hdcp_transcoder hdcp_transcoder; + u8 port_type; + u8 protocol; + u16 k; + u32 seq_num_m; + struct hdcp2_streamid_type *streams; +}; + +/** + * struct i915_hdcp_ops- ops for HDCP2.2 services. + * @owner: Module providing the ops + * @initiate_hdcp2_session: Initiate a Wired HDCP2.2 Tx Session. + * And Prepare AKE_Init. + * @verify_receiver_cert_prepare_km: Verify the Receiver Certificate + * AKE_Send_Cert and prepare + * AKE_Stored_Km/AKE_No_Stored_Km + * @verify_hprime: Verify AKE_Send_H_prime + * @store_pairing_info: Store pairing info received + * @initiate_locality_check: Prepare LC_Init + * @verify_lprime: Verify lprime + * @get_session_key: Prepare SKE_Send_Eks + * @repeater_check_flow_prepare_ack: Validate the Downstream topology + * and prepare rep_ack + * @verify_mprime: Verify mprime + * @enable_hdcp_authentication: Mark a port as authenticated. + * @close_hdcp_session: Close the Wired HDCP Tx session per port. + * This also disables the authenticated state of the port. + */ +struct i915_hdcp_ops { + /** + * @owner: hdcp module + */ + struct module *owner; + + int (*initiate_hdcp2_session)(struct device *dev, + struct hdcp_port_data *data, + struct hdcp2_ake_init *ake_data); + int (*verify_receiver_cert_prepare_km)(struct device *dev, + struct hdcp_port_data *data, + struct hdcp2_ake_send_cert + *rx_cert, + bool *km_stored, + struct hdcp2_ake_no_stored_km + *ek_pub_km, + size_t *msg_sz); + int (*verify_hprime)(struct device *dev, + struct hdcp_port_data *data, + struct hdcp2_ake_send_hprime *rx_hprime); + int (*store_pairing_info)(struct device *dev, + struct hdcp_port_data *data, + struct hdcp2_ake_send_pairing_info + *pairing_info); + int (*initiate_locality_check)(struct device *dev, + struct hdcp_port_data *data, + struct hdcp2_lc_init *lc_init_data); + int (*verify_lprime)(struct device *dev, + struct hdcp_port_data *data, + struct hdcp2_lc_send_lprime *rx_lprime); + int (*get_session_key)(struct device *dev, + struct hdcp_port_data *data, + struct hdcp2_ske_send_eks *ske_data); + int (*repeater_check_flow_prepare_ack)(struct device *dev, + struct hdcp_port_data *data, + struct hdcp2_rep_send_receiverid_list + *rep_topology, + struct hdcp2_rep_send_ack + *rep_send_ack); + int (*verify_mprime)(struct device *dev, + struct hdcp_port_data *data, + struct hdcp2_rep_stream_ready *stream_ready); + int (*enable_hdcp_authentication)(struct device *dev, + struct hdcp_port_data *data); + int (*close_hdcp_session)(struct device *dev, + struct hdcp_port_data *data); +}; + +/** + * struct i915_hdcp_arbiter - Used for communication between i915 + * and hdcp drivers for the HDCP2.2 services + */ +struct i915_hdcp_arbiter { + /** + * @hdcp_dev: device that provides the HDCP2.2 service from MEI Bus. + */ + struct device *hdcp_dev; + + /** + * @ops: Ops implemented by hdcp driver or intel_hdcp_gsc, used by i915 + * driver. + */ + const struct i915_hdcp_ops *ops; + + /** + * @mutex: To protect the above members. + */ + 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