diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c index e7baae059b85..ff9d54812e62 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c @@ -51,6 +51,26 @@ enum mod_hdcp_ddc_message_id { MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO, MOD_HDCP_MESSAGE_ID_READ_BINFO, + /* HDCP 2.2 */ + + MOD_HDCP_MESSAGE_ID_HDCP2VERSION, + MOD_HDCP_MESSAGE_ID_RX_CAPS, + MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT, + MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT, + MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM, + MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM, + MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME, + MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO, + MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT, + MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME, + MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS, + MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST, + MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK, + MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE, + MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY, + MOD_HDCP_MESSAGE_ID_READ_RXSTATUS, + MOD_HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE, + MOD_HDCP_MESSAGE_ID_MAX }; @@ -70,6 +90,22 @@ static const uint8_t hdcp_i2c_offsets[] = { [MOD_HDCP_MESSAGE_ID_READ_BSTATUS] = 0x41, [MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x43, [MOD_HDCP_MESSAGE_ID_READ_BINFO] = 0xFF, + [MOD_HDCP_MESSAGE_ID_HDCP2VERSION] = 0x50, + [MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT] = 0x60, + [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT] = 0x80, + [MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = 0x60, + [MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM] = 0x60, + [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = 0x80, + [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO] = 0x80, + [MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT] = 0x60, + [MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME] = 0x80, + [MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS] = 0x60, + [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST] = 0x80, + [MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK] = 0x60, + [MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = 0x60, + [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY] = 0x80, + [MOD_HDCP_MESSAGE_ID_READ_RXSTATUS] = 0x70, + [MOD_HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE] = 0x0 }; static const uint32_t hdcp_dpcd_addrs[] = { @@ -88,6 +124,22 @@ static const uint32_t hdcp_dpcd_addrs[] = { [MOD_HDCP_MESSAGE_ID_READ_BSTATUS] = 0x68029, [MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x6802c, [MOD_HDCP_MESSAGE_ID_READ_BINFO] = 0x6802a, + [MOD_HDCP_MESSAGE_ID_RX_CAPS] = 0x6921d, + [MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT] = 0x69000, + [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT] = 0x6900b, + [MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = 0x69220, + [MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM] = 0x692a0, + [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = 0x692c0, + [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO] = 0x692e0, + [MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT] = 0x692f0, + [MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME] = 0x692f8, + [MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS] = 0x69318, + [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST] = 0x69330, + [MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK] = 0x693e0, + [MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = 0x693f0, + [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY] = 0x69473, + [MOD_HDCP_MESSAGE_ID_READ_RXSTATUS] = 0x69493, + [MOD_HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE] = 0x69494 }; static enum mod_hdcp_status read(struct mod_hdcp *hdcp, @@ -303,3 +355,277 @@ enum mod_hdcp_status mod_hdcp_write_an(struct mod_hdcp *hdcp) hdcp->auth.msg.hdcp1.an, sizeof(hdcp->auth.msg.hdcp1.an)); } + +enum mod_hdcp_status mod_hdcp_read_hdcp2version(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = MOD_HDCP_STATUS_INVALID_OPERATION; + else + status = read(hdcp, MOD_HDCP_MESSAGE_ID_HDCP2VERSION, + &hdcp->auth.msg.hdcp2.hdcp2version_hdmi, + sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi)); + + return status; +} + +enum mod_hdcp_status mod_hdcp_read_rxcaps(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (!is_dp_hdcp(hdcp)) + status = MOD_HDCP_STATUS_INVALID_OPERATION; + else + status = read(hdcp, MOD_HDCP_MESSAGE_ID_RX_CAPS, + hdcp->auth.msg.hdcp2.rxcaps_dp, + sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp)); + + return status; +} + +enum mod_hdcp_status mod_hdcp_read_rxstatus(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) { + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_RXSTATUS, + &hdcp->auth.msg.hdcp2.rxstatus_dp, + 1); + } else { + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_RXSTATUS, + (uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus, + sizeof(hdcp->auth.msg.hdcp2.rxstatus)); + } + return status; +} + +enum mod_hdcp_status mod_hdcp_read_ake_cert(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) { + hdcp->auth.msg.hdcp2.ake_cert[0] = 3; + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT, + hdcp->auth.msg.hdcp2.ake_cert+1, + sizeof(hdcp->auth.msg.hdcp2.ake_cert)-1); + + } else { + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT, + hdcp->auth.msg.hdcp2.ake_cert, + sizeof(hdcp->auth.msg.hdcp2.ake_cert)); + } + return status; +} + +enum mod_hdcp_status mod_hdcp_read_h_prime(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) { + hdcp->auth.msg.hdcp2.ake_h_prime[0] = 7; + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME, + hdcp->auth.msg.hdcp2.ake_h_prime+1, + sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)-1); + + } else { + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME, + hdcp->auth.msg.hdcp2.ake_h_prime, + sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)); + } + return status; +} + +enum mod_hdcp_status mod_hdcp_read_pairing_info(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) { + hdcp->auth.msg.hdcp2.ake_pairing_info[0] = 8; + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO, + hdcp->auth.msg.hdcp2.ake_pairing_info+1, + sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)-1); + + } else { + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO, + hdcp->auth.msg.hdcp2.ake_pairing_info, + sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)); + } + return status; +} + +enum mod_hdcp_status mod_hdcp_read_l_prime(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) { + hdcp->auth.msg.hdcp2.lc_l_prime[0] = 10; + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME, + hdcp->auth.msg.hdcp2.lc_l_prime+1, + sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)-1); + + } else { + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME, + hdcp->auth.msg.hdcp2.lc_l_prime, + sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)); + } + return status; +} + +enum mod_hdcp_status mod_hdcp_read_rx_id_list(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) { + hdcp->auth.msg.hdcp2.rx_id_list[0] = 12; + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST, + hdcp->auth.msg.hdcp2.rx_id_list+1, + sizeof(hdcp->auth.msg.hdcp2.rx_id_list)-1); + + } else { + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST, + hdcp->auth.msg.hdcp2.rx_id_list, + hdcp->auth.msg.hdcp2.rx_id_list_size); + } + return status; +} + +enum mod_hdcp_status mod_hdcp_read_stream_ready(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) { + hdcp->auth.msg.hdcp2.repeater_auth_stream_ready[0] = 17; + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY, + hdcp->auth.msg.hdcp2.repeater_auth_stream_ready+1, + sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)-1); + + } else { + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY, + hdcp->auth.msg.hdcp2.repeater_auth_stream_ready, + sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)); + } + return status; +} + +enum mod_hdcp_status mod_hdcp_write_ake_init(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT, + hdcp->auth.msg.hdcp2.ake_init+1, + sizeof(hdcp->auth.msg.hdcp2.ake_init)-1); + else + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT, + hdcp->auth.msg.hdcp2.ake_init, + sizeof(hdcp->auth.msg.hdcp2.ake_init)); + return status; +} + +enum mod_hdcp_status mod_hdcp_write_no_stored_km(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM, + hdcp->auth.msg.hdcp2.ake_no_stored_km+1, + sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)-1); + else + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM, + hdcp->auth.msg.hdcp2.ake_no_stored_km, + sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)); + return status; +} + +enum mod_hdcp_status mod_hdcp_write_stored_km(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM, + hdcp->auth.msg.hdcp2.ake_stored_km+1, + sizeof(hdcp->auth.msg.hdcp2.ake_stored_km)-1); + else + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM, + hdcp->auth.msg.hdcp2.ake_stored_km, + sizeof(hdcp->auth.msg.hdcp2.ake_stored_km)); + return status; +} + +enum mod_hdcp_status mod_hdcp_write_lc_init(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT, + hdcp->auth.msg.hdcp2.lc_init+1, + sizeof(hdcp->auth.msg.hdcp2.lc_init)-1); + else + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT, + hdcp->auth.msg.hdcp2.lc_init, + sizeof(hdcp->auth.msg.hdcp2.lc_init)); + return status; +} + +enum mod_hdcp_status mod_hdcp_write_eks(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = write(hdcp, + MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS, + hdcp->auth.msg.hdcp2.ske_eks+1, + sizeof(hdcp->auth.msg.hdcp2.ske_eks)-1); + else + status = write(hdcp, + MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS, + hdcp->auth.msg.hdcp2.ske_eks, + sizeof(hdcp->auth.msg.hdcp2.ske_eks)); + return status; +} + +enum mod_hdcp_status mod_hdcp_write_repeater_auth_ack(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK, + hdcp->auth.msg.hdcp2.repeater_auth_ack+1, + sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack)-1); + else + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK, + hdcp->auth.msg.hdcp2.repeater_auth_ack, + sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack)); + return status; +} + +enum mod_hdcp_status mod_hdcp_write_stream_manage(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = write(hdcp, + MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE, + hdcp->auth.msg.hdcp2.repeater_auth_stream_manage+1, + hdcp->auth.msg.hdcp2.stream_manage_size-1); + else + status = write(hdcp, + MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE, + hdcp->auth.msg.hdcp2.repeater_auth_stream_manage, + hdcp->auth.msg.hdcp2.stream_manage_size); + return status; +} + +enum mod_hdcp_status mod_hdcp_write_content_type(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE, + hdcp->auth.msg.hdcp2.content_stream_type_dp+1, + sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp)-1); + else + status = MOD_HDCP_STATUS_INVALID_OPERATION; + return status; +} |