Lines Matching refs:hdcp
28 #include "hdcp.h"
30 static inline enum mod_hdcp_status check_receiver_id_list_ready(struct mod_hdcp *hdcp)
34 if (is_dp_hdcp(hdcp))
35 is_ready = HDCP_2_2_DP_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus_dp) ? 1 : 0;
37 is_ready = (HDCP_2_2_HDMI_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus[1]) &&
38 (HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
39 hdcp->auth.msg.hdcp2.rxstatus[0])) ? 1 : 0;
44 static inline enum mod_hdcp_status check_hdcp2_capable(struct mod_hdcp *hdcp)
48 if (is_dp_hdcp(hdcp))
49 status = (hdcp->auth.msg.hdcp2.rxcaps_dp[0] == HDCP_2_2_RX_CAPS_VERSION_VAL) &&
50 HDCP_2_2_DP_HDCP_CAPABLE(hdcp->auth.msg.hdcp2.rxcaps_dp[2]) ?
54 status = (hdcp->auth.msg.hdcp2.hdcp2version_hdmi & HDCP_2_2_HDMI_SUPPORT_MASK) ?
61 struct mod_hdcp *hdcp)
65 if (is_dp_hdcp(hdcp))
66 ret = HDCP_2_2_DP_RXSTATUS_REAUTH_REQ(hdcp->auth.msg.hdcp2.rxstatus_dp) ?
70 ret = HDCP_2_2_HDMI_RXSTATUS_REAUTH_REQ(hdcp->auth.msg.hdcp2.rxstatus[1]) ?
77 struct mod_hdcp *hdcp)
79 return HDCP_2_2_DP_RXSTATUS_LINK_FAILED(hdcp->auth.msg.hdcp2.rxstatus_dp) ?
84 static enum mod_hdcp_status check_ake_cert_available(struct mod_hdcp *hdcp)
89 if (is_dp_hdcp(hdcp)) {
92 status = mod_hdcp_read_rxstatus(hdcp);
94 size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
95 hdcp->auth.msg.hdcp2.rxstatus[0];
96 status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_cert)) ?
104 static enum mod_hdcp_status check_h_prime_available(struct mod_hdcp *hdcp)
109 status = mod_hdcp_read_rxstatus(hdcp);
113 if (is_dp_hdcp(hdcp)) {
114 status = HDCP_2_2_DP_RXSTATUS_H_PRIME(hdcp->auth.msg.hdcp2.rxstatus_dp) ?
118 size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
119 hdcp->auth.msg.hdcp2.rxstatus[0];
120 status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)) ?
128 static enum mod_hdcp_status check_pairing_info_available(struct mod_hdcp *hdcp)
133 status = mod_hdcp_read_rxstatus(hdcp);
137 if (is_dp_hdcp(hdcp)) {
138 status = HDCP_2_2_DP_RXSTATUS_PAIRING(hdcp->auth.msg.hdcp2.rxstatus_dp) ?
142 size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
143 hdcp->auth.msg.hdcp2.rxstatus[0];
144 status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)) ?
152 static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp)
160 if (is_dp_hdcp(hdcp))
166 status = mod_hdcp_read_rxstatus(hdcp);
170 size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
171 hdcp->auth.msg.hdcp2.rxstatus[0];
172 status = (size == sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)) ?
181 static enum mod_hdcp_status check_stream_ready_available(struct mod_hdcp *hdcp)
186 if (is_dp_hdcp(hdcp)) {
189 status = mod_hdcp_read_rxstatus(hdcp);
192 size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
193 hdcp->auth.msg.hdcp2.rxstatus[0];
194 status = (size == sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)) ?
202 static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
204 return HDCP_2_2_DEV_COUNT_LO(hdcp->auth.msg.hdcp2.rx_id_list[2]) +
205 (HDCP_2_2_DEV_COUNT_HI(hdcp->auth.msg.hdcp2.rx_id_list[1]) << 4);
208 static enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
211 if (get_device_count(hdcp) == 0)
216 /* panel is possibly not included in DEVICE_COUNT) + get_device_count(hdcp). */
217 /* Device count must be greater than or equal to tracked hdcp displays. */
218 return ((1 + get_device_count(hdcp)) < get_active_display_count(hdcp)) ?
223 static uint8_t process_rxstatus(struct mod_hdcp *hdcp,
230 hdcp, "rxstatus_read"))
234 hdcp, "reauth_request_check"))
236 if (is_dp_hdcp(hdcp)) {
239 hdcp, "link_integrity_check_dp"))
242 if (hdcp->connection.is_repeater)
243 if (check_receiver_id_list_ready(hdcp) ==
245 HDCP_INPUT_PASS_TRACE(hdcp, "rx_id_list_ready");
247 if (is_dp_hdcp(hdcp))
248 hdcp->auth.msg.hdcp2.rx_id_list_size =
249 sizeof(hdcp->auth.msg.hdcp2.rx_id_list);
251 hdcp->auth.msg.hdcp2.rx_id_list_size =
252 HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
253 hdcp->auth.msg.hdcp2.rxstatus[0];
259 static enum mod_hdcp_status known_hdcp2_capable_rx(struct mod_hdcp *hdcp,
272 hdcp, "hdcp2version_read"))
276 hdcp, "hdcp2_capable"))
282 static enum mod_hdcp_status send_ake_init(struct mod_hdcp *hdcp,
295 hdcp, "create_session"))
299 hdcp, "ake_init_prepare"))
303 hdcp, "ake_init_write"))
309 static enum mod_hdcp_status validate_ake_cert(struct mod_hdcp *hdcp,
322 if (is_hdmi_dvi_sl_hdcp(hdcp))
325 hdcp, "ake_cert_available"))
329 hdcp, "ake_cert_read"))
333 hdcp, "ake_cert_validation"))
339 static enum mod_hdcp_status send_no_stored_km(struct mod_hdcp *hdcp,
352 hdcp, "no_stored_km_write"))
358 static enum mod_hdcp_status read_h_prime(struct mod_hdcp *hdcp,
373 hdcp, "h_prime_available"))
378 hdcp, "h_prime_read"))
385 struct mod_hdcp *hdcp,
400 hdcp, "pairing_available"))
404 hdcp, "pairing_info_read"))
408 hdcp, "h_prime_validation"))
414 static enum mod_hdcp_status send_stored_km(struct mod_hdcp *hdcp,
427 hdcp, "stored_km_write"))
433 static enum mod_hdcp_status validate_h_prime(struct mod_hdcp *hdcp,
448 hdcp, "h_prime_available"))
452 hdcp, "h_prime_read"))
456 hdcp, "h_prime_validation"))
462 static enum mod_hdcp_status locality_check(struct mod_hdcp *hdcp,
475 hdcp, "lc_init_prepare"))
479 hdcp, "lc_init_write"))
481 if (is_dp_hdcp(hdcp))
486 hdcp, "l_prime_available_poll"))
490 hdcp, "l_prime_read"))
494 hdcp, "l_prime_validation"))
500 static enum mod_hdcp_status exchange_ks_and_test_for_repeater(struct mod_hdcp *hdcp,
513 hdcp, "eks_prepare"))
517 hdcp, "eks_write"))
523 static enum mod_hdcp_status enable_encryption(struct mod_hdcp *hdcp,
535 process_rxstatus(hdcp, event_ctx, input, &status);
539 if (is_hdmi_dvi_sl_hdcp(hdcp)) {
540 if (!process_rxstatus(hdcp, event_ctx, input, &status))
547 hdcp, "enable_encryption"))
549 if (is_dp_mst_hdcp(hdcp)) {
553 hdcp, "stream_encryption_dp"))
560 static enum mod_hdcp_status authenticated(struct mod_hdcp *hdcp,
572 process_rxstatus(hdcp, event_ctx, input, &status);
577 static enum mod_hdcp_status wait_for_rx_id_list(struct mod_hdcp *hdcp,
590 if (!process_rxstatus(hdcp, event_ctx, input, &status))
600 static enum mod_hdcp_status verify_rx_id_list_and_send_ack(struct mod_hdcp *hdcp,
612 process_rxstatus(hdcp, event_ctx, input, &status);
618 &status, hdcp, "receiver_id_list_read"))
622 &status, hdcp, "device_count_check"))
626 &status, hdcp, "rx_id_list_validation"))
630 &status, hdcp, "repeater_auth_ack_write"))
636 static enum mod_hdcp_status send_stream_management(struct mod_hdcp *hdcp,
648 process_rxstatus(hdcp, event_ctx, input, &status);
652 if (is_hdmi_dvi_sl_hdcp(hdcp)) {
653 if (!process_rxstatus(hdcp, event_ctx, input, &status))
660 &status, hdcp, "prepare_stream_manage"))
665 &status, hdcp, "stream_manage_write"))
671 static enum mod_hdcp_status validate_stream_ready(struct mod_hdcp *hdcp,
684 process_rxstatus(hdcp, event_ctx, input, &status);
688 if (is_hdmi_dvi_sl_hdcp(hdcp)) {
689 if (!process_rxstatus(hdcp, event_ctx, input, &status))
694 if (is_hdmi_dvi_sl_hdcp(hdcp))
697 &status, hdcp, "stream_ready_available"))
701 &status, hdcp, "stream_ready_read"))
705 &status, hdcp, "stream_ready_validation"))
712 static enum mod_hdcp_status determine_rx_hdcp_capable_dp(struct mod_hdcp *hdcp,
725 &status, hdcp, "rx_caps_read_dp"))
729 hdcp, "hdcp2_capable_check"))
735 static enum mod_hdcp_status send_content_stream_type_dp(struct mod_hdcp *hdcp,
747 if (!process_rxstatus(hdcp, event_ctx, input, &status))
751 hdcp, "content_stream_type_write"))
757 enum mod_hdcp_status mod_hdcp_hdcp2_execution(struct mod_hdcp *hdcp,
763 switch (current_state(hdcp)) {
765 status = known_hdcp2_capable_rx(hdcp, event_ctx, input);
768 status = send_ake_init(hdcp, event_ctx, input);
771 status = validate_ake_cert(hdcp, event_ctx, input);
774 status = send_no_stored_km(hdcp, event_ctx, input);
777 status = read_h_prime(hdcp, event_ctx, input);
780 status = read_pairing_info_and_validate_h_prime(hdcp,
784 status = send_stored_km(hdcp, event_ctx, input);
787 status = validate_h_prime(hdcp, event_ctx, input);
790 status = locality_check(hdcp, event_ctx, input);
793 status = exchange_ks_and_test_for_repeater(hdcp, event_ctx, input);
796 status = enable_encryption(hdcp, event_ctx, input);
799 status = authenticated(hdcp, event_ctx, input);
802 status = wait_for_rx_id_list(hdcp, event_ctx, input);
805 status = verify_rx_id_list_and_send_ack(hdcp, event_ctx, input);
808 status = send_stream_management(hdcp, event_ctx, input);
811 status = validate_stream_ready(hdcp, event_ctx, input);
821 enum mod_hdcp_status mod_hdcp_hdcp2_dp_execution(struct mod_hdcp *hdcp,
827 switch (current_state(hdcp)) {
829 status = determine_rx_hdcp_capable_dp(hdcp, event_ctx, input);
832 status = send_ake_init(hdcp, event_ctx, input);
835 status = validate_ake_cert(hdcp, event_ctx, input);
838 status = send_no_stored_km(hdcp, event_ctx, input);
841 status = read_h_prime(hdcp, event_ctx, input);
844 status = read_pairing_info_and_validate_h_prime(hdcp,
848 status = send_stored_km(hdcp, event_ctx, input);
851 status = validate_h_prime(hdcp, event_ctx, input);
854 status = locality_check(hdcp, event_ctx, input);
857 status = exchange_ks_and_test_for_repeater(hdcp,
861 status = send_content_stream_type_dp(hdcp, event_ctx, input);
864 status = enable_encryption(hdcp, event_ctx, input);
867 status = authenticated(hdcp, event_ctx, input);
870 status = wait_for_rx_id_list(hdcp, event_ctx, input);
873 status = verify_rx_id_list_and_send_ack(hdcp, event_ctx, input);
876 status = send_stream_management(hdcp, event_ctx, input);
879 status = validate_stream_ready(hdcp, event_ctx, input);