diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h | 197 |
1 files changed, 171 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h index 5664bc0b5bd0..f98d3d9ecb6d 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h @@ -29,32 +29,8 @@ #include "mod_hdcp.h" #include "hdcp_log.h" -#define BCAPS_READY_MASK 0x20 -#define BCAPS_REPEATER_MASK 0x40 -#define BSTATUS_DEVICE_COUNT_MASK 0X007F -#define BSTATUS_MAX_DEVS_EXCEEDED_MASK 0x0080 -#define BSTATUS_MAX_CASCADE_EXCEEDED_MASK 0x0800 -#define BCAPS_HDCP_CAPABLE_MASK_DP 0x01 -#define BCAPS_REPEATER_MASK_DP 0x02 -#define BSTATUS_READY_MASK_DP 0x01 -#define BSTATUS_R0_P_AVAILABLE_MASK_DP 0x02 -#define BSTATUS_LINK_INTEGRITY_FAILURE_MASK_DP 0x04 -#define BSTATUS_REAUTH_REQUEST_MASK_DP 0x08 -#define BINFO_DEVICE_COUNT_MASK_DP 0X007F -#define BINFO_MAX_DEVS_EXCEEDED_MASK_DP 0x0080 -#define BINFO_MAX_CASCADE_EXCEEDED_MASK_DP 0x0800 - -#define RXSTATUS_MSG_SIZE_MASK 0x03FF -#define RXSTATUS_READY_MASK 0x0400 -#define RXSTATUS_REAUTH_REQUEST_MASK 0x0800 -#define RXIDLIST_DEVICE_COUNT_LOWER_MASK 0xf0 -#define RXIDLIST_DEVICE_COUNT_UPPER_MASK 0x01 -#define RXCAPS_BYTE0_HDCP_CAPABLE_MASK_DP 0x02 -#define RXSTATUS_READY_MASK_DP 0x0001 -#define RXSTATUS_H_P_AVAILABLE_MASK_DP 0x0002 -#define RXSTATUS_PAIRING_AVAILABLE_MASK_DP 0x0004 -#define RXSTATUS_REAUTH_REQUEST_MASK_DP 0x0008 -#define RXSTATUS_LINK_INTEGRITY_FAILURE_MASK_DP 0x0010 +#include <drm/drm_hdcp.h> +#include <drm/drm_dp_helper.h> enum mod_hdcp_trans_input_result { UNKNOWN = 0, @@ -92,8 +68,52 @@ struct mod_hdcp_transition_input_hdcp1 { uint8_t stream_encryption_dp; }; +struct mod_hdcp_transition_input_hdcp2 { + uint8_t hdcp2version_read; + uint8_t hdcp2_capable_check; + uint8_t add_topology; + uint8_t create_session; + uint8_t ake_init_prepare; + uint8_t ake_init_write; + uint8_t rxstatus_read; + uint8_t ake_cert_available; + uint8_t ake_cert_read; + uint8_t ake_cert_validation; + uint8_t stored_km_write; + uint8_t no_stored_km_write; + uint8_t h_prime_available; + uint8_t h_prime_read; + uint8_t pairing_available; + uint8_t pairing_info_read; + uint8_t h_prime_validation; + uint8_t lc_init_prepare; + uint8_t lc_init_write; + uint8_t l_prime_available_poll; + uint8_t l_prime_read; + uint8_t l_prime_validation; + uint8_t eks_prepare; + uint8_t eks_write; + uint8_t enable_encryption; + uint8_t reauth_request_check; + uint8_t rx_id_list_read; + uint8_t device_count_check; + uint8_t rx_id_list_validation; + uint8_t repeater_auth_ack_write; + uint8_t prepare_stream_manage; + uint8_t stream_manage_write; + uint8_t stream_ready_available; + uint8_t stream_ready_read; + uint8_t stream_ready_validation; + + uint8_t rx_caps_read_dp; + uint8_t content_stream_type_write; + uint8_t link_integrity_check_dp; + uint8_t stream_encryption_dp; +}; + union mod_hdcp_transition_input { struct mod_hdcp_transition_input_hdcp1 hdcp1; + struct mod_hdcp_transition_input_hdcp2 hdcp2; }; struct mod_hdcp_message_hdcp1 { @@ -111,8 +131,33 @@ struct mod_hdcp_message_hdcp1 { uint16_t binfo_dp; }; +struct mod_hdcp_message_hdcp2 { + uint8_t hdcp2version_hdmi; + uint8_t rxcaps_dp[3]; + uint8_t rxstatus[2]; + + uint8_t ake_init[12]; + uint8_t ake_cert[534]; + uint8_t ake_no_stored_km[129]; + uint8_t ake_stored_km[33]; + uint8_t ake_h_prime[33]; + uint8_t ake_pairing_info[17]; + uint8_t lc_init[9]; + uint8_t lc_l_prime[33]; + uint8_t ske_eks[25]; + uint8_t rx_id_list[177]; // 22 + 5 * 31 + uint16_t rx_id_list_size; + uint8_t repeater_auth_ack[17]; + uint8_t repeater_auth_stream_manage[68]; // 6 + 2 * 31 + uint16_t stream_manage_size; + uint8_t repeater_auth_stream_ready[33]; + uint8_t rxstatus_dp; + uint8_t content_stream_type_dp[2]; +}; + union mod_hdcp_message { struct mod_hdcp_message_hdcp1 hdcp1; + struct mod_hdcp_message_hdcp2 hdcp2; }; struct mod_hdcp_auth_counters { @@ -125,8 +170,10 @@ struct mod_hdcp_connection { struct mod_hdcp_display displays[MAX_NUM_OF_DISPLAYS]; uint8_t is_repeater; uint8_t is_km_stored; + uint8_t is_hdcp2_revoked; struct mod_hdcp_trace trace; uint8_t hdcp1_retry_count; + uint8_t hdcp2_retry_count; }; /* contains values per authentication cycle */ @@ -194,6 +241,50 @@ enum mod_hdcp_hdcp1_dp_state_id { HDCP1_DP_STATE_END = D1_A7_READ_KSV_LIST, }; +enum mod_hdcp_hdcp2_state_id { + HDCP2_STATE_START = HDCP1_DP_STATE_END, + H2_A0_KNOWN_HDCP2_CAPABLE_RX, + H2_A1_SEND_AKE_INIT, + H2_A1_VALIDATE_AKE_CERT, + H2_A1_SEND_NO_STORED_KM, + H2_A1_READ_H_PRIME, + H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME, + H2_A1_SEND_STORED_KM, + H2_A1_VALIDATE_H_PRIME, + H2_A2_LOCALITY_CHECK, + H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER, + H2_ENABLE_ENCRYPTION, + H2_A5_AUTHENTICATED, + H2_A6_WAIT_FOR_RX_ID_LIST, + H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK, + H2_A9_SEND_STREAM_MANAGEMENT, + H2_A9_VALIDATE_STREAM_READY, + HDCP2_STATE_END = H2_A9_VALIDATE_STREAM_READY, +}; + +enum mod_hdcp_hdcp2_dp_state_id { + HDCP2_DP_STATE_START = HDCP2_STATE_END, + D2_A0_DETERMINE_RX_HDCP_CAPABLE, + D2_A1_SEND_AKE_INIT, + D2_A1_VALIDATE_AKE_CERT, + D2_A1_SEND_NO_STORED_KM, + D2_A1_READ_H_PRIME, + D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME, + D2_A1_SEND_STORED_KM, + D2_A1_VALIDATE_H_PRIME, + D2_A2_LOCALITY_CHECK, + D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER, + D2_SEND_CONTENT_STREAM_TYPE, + D2_ENABLE_ENCRYPTION, + D2_A5_AUTHENTICATED, + D2_A6_WAIT_FOR_RX_ID_LIST, + D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK, + D2_A9_SEND_STREAM_MANAGEMENT, + D2_A9_VALIDATE_STREAM_READY, + HDCP2_DP_STATE_END = D2_A9_VALIDATE_STREAM_READY, + HDCP_STATE_END = HDCP2_DP_STATE_END, +}; + /* hdcp1 executions and transitions */ typedef enum mod_hdcp_status (*mod_hdcp_action)(struct mod_hdcp *hdcp); uint8_t mod_hdcp_execute_and_set( @@ -214,6 +305,22 @@ enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp, struct mod_hdcp_transition_input_hdcp1 *input, struct mod_hdcp_output *output); +/* hdcp2 executions and transitions */ +enum mod_hdcp_status mod_hdcp_hdcp2_execution(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp2 *input); +enum mod_hdcp_status mod_hdcp_hdcp2_dp_execution(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp2 *input); +enum mod_hdcp_status mod_hdcp_hdcp2_transition(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp2 *input, + struct mod_hdcp_output *output); +enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp2 *input, + struct mod_hdcp_output *output); + /* log functions */ void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size, uint8_t *buf, uint32_t buf_size); @@ -234,6 +341,25 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption( enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp); enum mod_hdcp_status mod_hdcp_hdcp1_get_link_encryption_status(struct mod_hdcp *hdcp, enum mod_hdcp_encryption_status *encryption_status); +enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption( + struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management( + struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready( + struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp2_get_link_encryption_status(struct mod_hdcp *hdcp, + enum mod_hdcp_encryption_status *encryption_status); + /* ddc functions */ enum mod_hdcp_status mod_hdcp_read_bksv(struct mod_hdcp *hdcp); enum mod_hdcp_status mod_hdcp_read_bcaps(struct mod_hdcp *hdcp); @@ -245,6 +371,7 @@ enum mod_hdcp_status mod_hdcp_read_binfo(struct mod_hdcp *hdcp); enum mod_hdcp_status mod_hdcp_write_aksv(struct mod_hdcp *hdcp); enum mod_hdcp_status mod_hdcp_write_ainfo(struct mod_hdcp *hdcp); enum mod_hdcp_status mod_hdcp_write_an(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_hdcp2version(struct mod_hdcp *hdcp); enum mod_hdcp_status mod_hdcp_read_rxcaps(struct mod_hdcp *hdcp); enum mod_hdcp_status mod_hdcp_read_rxstatus(struct mod_hdcp *hdcp); enum mod_hdcp_status mod_hdcp_read_ake_cert(struct mod_hdcp *hdcp); @@ -308,11 +435,28 @@ static inline uint8_t is_in_hdcp1_dp_states(struct mod_hdcp *hdcp) current_state(hdcp) <= HDCP1_DP_STATE_END); } +static inline uint8_t is_in_hdcp2_states(struct mod_hdcp *hdcp) +{ + return (current_state(hdcp) > HDCP2_STATE_START && + current_state(hdcp) <= HDCP2_STATE_END); +} + +static inline uint8_t is_in_hdcp2_dp_states(struct mod_hdcp *hdcp) +{ + return (current_state(hdcp) > HDCP2_DP_STATE_START && + current_state(hdcp) <= HDCP2_DP_STATE_END); +} + static inline uint8_t is_hdcp1(struct mod_hdcp *hdcp) { return (is_in_hdcp1_states(hdcp) || is_in_hdcp1_dp_states(hdcp)); } +static inline uint8_t is_hdcp2(struct mod_hdcp *hdcp) +{ + return (is_in_hdcp2_states(hdcp) || is_in_hdcp2_dp_states(hdcp)); +} + static inline uint8_t is_in_cp_not_desired_state(struct mod_hdcp *hdcp) { return current_state(hdcp) == HDCP_CP_NOT_DESIRED; @@ -437,6 +581,7 @@ static inline struct mod_hdcp_display *get_empty_display_container( static inline void reset_retry_counts(struct mod_hdcp *hdcp) { hdcp->connection.hdcp1_retry_count = 0; + hdcp->connection.hdcp2_retry_count = 0; } #endif /* HDCP_H_ */ |