modules/hdcp/hdcp1_transition.c

26 #include "hdcp.h"
28 enum mod_hdcp_status mod_hdcp_hdcp1_transition(struct mod_hdcp *hdcp,
34 	struct mod_hdcp_connection *conn = &hdcp->connection;
35 	struct mod_hdcp_link_adjustment *adjust = &hdcp->connection.link.adjust;
37 	switch (current_state(hdcp)) {
42 			increment_stay_counter(hdcp);
46 		set_state_id(hdcp, output, H1_A1_EXCHANGE_KSVS);
64 		set_state_id(hdcp, output,
87 			set_watchdog_in_ms(hdcp, 5000, output);
88 			set_state_id(hdcp, output, H1_A8_WAIT_FOR_READY);
91 			set_state_id(hdcp, output, H1_A45_AUTHENTICATED);
92 			set_auth_complete(hdcp, output);
103 		increment_stay_counter(hdcp);
109 				/* 1B-03: fail hdcp on ksv list READY timeout */
116 				increment_stay_counter(hdcp);
121 		set_state_id(hdcp, output, H1_A9_READ_KSV_LIST);
139 		set_state_id(hdcp, output, H1_A45_AUTHENTICATED);
140 		set_auth_complete(hdcp, output);
151 enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp,
157 	struct mod_hdcp_connection *conn = &hdcp->connection;
158 	struct mod_hdcp_link_adjustment *adjust = &hdcp->connection.link.adjust;
160 	switch (current_state(hdcp)) {
172 		set_state_id(hdcp, output, D1_A1_EXCHANGE_KSVS);
189 		set_watchdog_in_ms(hdcp, 100, output);
190 		set_state_id(hdcp, output, D1_A23_WAIT_FOR_R0_PRIME);
200 				increment_stay_counter(hdcp);
204 		set_state_id(hdcp, output, D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER);
211 			if (hdcp->state.stay_count < 2 &&
212 					!hdcp->connection.is_hdcp1_revoked) {
215 				increment_stay_counter(hdcp);
230 				(!conn->is_repeater && is_dp_mst_hdcp(hdcp) && input->stream_encryption_dp != PASS)) {
238 			set_watchdog_in_ms(hdcp, 5000, output);
239 			set_state_id(hdcp, output, D1_A6_WAIT_FOR_READY);
241 			set_state_id(hdcp, output, D1_A4_AUTHENTICATED);
242 			set_auth_complete(hdcp, output);
248 			/* 1A-07: restart hdcp on a link integrity failure */
261 				/* 1B-04: fail hdcp on ksv list READY timeout */
266 				increment_stay_counter(hdcp);
271 		set_state_id(hdcp, output, D1_A7_READ_KSV_LIST);
295 			if (hdcp->state.stay_count < 2 &&
296 					!hdcp->connection.is_hdcp1_revoked) {
299 				increment_stay_counter(hdcp);
309 				(is_dp_mst_hdcp(hdcp) && input->stream_encryption_dp != PASS)) {
313 		set_state_id(hdcp, output, D1_A4_AUTHENTICATED);
314 		set_auth_complete(hdcp, output);