28 static inline enum mod_hdcp_status validate_bksv(struct mod_hdcp *hdcp)  in validate_bksv()  argument
34 	memcpy(bksv, hdcp->auth.msg.hdcp1.bksv, sizeof(hdcp->auth.msg.hdcp1.bksv));  in validate_bksv()
45 static inline enum mod_hdcp_status check_ksv_ready(struct mod_hdcp *hdcp)  in check_ksv_ready()  argument
47 	if (is_dp_hdcp(hdcp))  in check_ksv_ready()
48 		return (hdcp->auth.msg.hdcp1.bstatus & DP_BSTATUS_READY) ?  in check_ksv_ready()
51 	return (hdcp->auth.msg.hdcp1.bcaps & DRM_HDCP_DDC_BCAPS_KSV_FIFO_READY) ?  in check_ksv_ready()
56 static inline enum mod_hdcp_status check_hdcp_capable_dp(struct mod_hdcp *hdcp)  in check_hdcp_capable_dp()  argument
58 	return (hdcp->auth.msg.hdcp1.bcaps & DP_BCAPS_HDCP_CAPABLE) ?  in check_hdcp_capable_dp()
63 static inline enum mod_hdcp_status check_r0p_available_dp(struct mod_hdcp *hdcp)  in check_r0p_available_dp()  argument
66 	if (is_dp_hdcp(hdcp)) {  in check_r0p_available_dp()
67 		status = (hdcp->auth.msg.hdcp1.bstatus &  in check_r0p_available_dp()
78 		struct mod_hdcp *hdcp)  in check_link_integrity_dp()  argument
80 	return (hdcp->auth.msg.hdcp1.bstatus &  in check_link_integrity_dp()
87 		struct mod_hdcp *hdcp)  in check_no_reauthentication_request_dp()  argument
89 	return (hdcp->auth.msg.hdcp1.bstatus & DP_BSTATUS_REAUTH_REQ) ?  in check_no_reauthentication_request_dp()
94 static inline enum mod_hdcp_status check_no_max_cascade(struct mod_hdcp *hdcp)  in check_no_max_cascade()  argument
98 	if (is_dp_hdcp(hdcp))  in check_no_max_cascade()
99 		status = DRM_HDCP_MAX_CASCADE_EXCEEDED(hdcp->auth.msg.hdcp1.binfo_dp >> 8)  in check_no_max_cascade()
103 		status = DRM_HDCP_MAX_CASCADE_EXCEEDED(hdcp->auth.msg.hdcp1.bstatus >> 8)  in check_no_max_cascade()
109 static inline enum mod_hdcp_status check_no_max_devs(struct mod_hdcp *hdcp)  in check_no_max_devs()  argument
113 	if (is_dp_hdcp(hdcp))  in check_no_max_devs()
114 		status = DRM_HDCP_MAX_DEVICE_EXCEEDED(hdcp->auth.msg.hdcp1.binfo_dp) ?  in check_no_max_devs()
118 		status = DRM_HDCP_MAX_DEVICE_EXCEEDED(hdcp->auth.msg.hdcp1.bstatus) ?  in check_no_max_devs()
124 static inline uint8_t get_device_count(struct mod_hdcp *hdcp)  in get_device_count()  argument
126 	return is_dp_hdcp(hdcp) ?  in get_device_count()
127 			DRM_HDCP_NUM_DOWNSTREAM(hdcp->auth.msg.hdcp1.binfo_dp) :  in get_device_count()
128 			DRM_HDCP_NUM_DOWNSTREAM(hdcp->auth.msg.hdcp1.bstatus);  in get_device_count()
131 static inline enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)  in check_device_count()  argument
134 	if (0 == get_device_count(hdcp)) {  in check_device_count()
143 	return ((1 + get_device_count(hdcp)) < get_active_display_count(hdcp)) ?  in check_device_count()
148 static enum mod_hdcp_status wait_for_active_rx(struct mod_hdcp *hdcp,  in wait_for_active_rx()  argument
161 			hdcp, "bksv_read"))  in wait_for_active_rx()
165 			hdcp, "bcaps_read"))  in wait_for_active_rx()
171 static enum mod_hdcp_status exchange_ksvs(struct mod_hdcp *hdcp,  in exchange_ksvs()  argument
184 			hdcp, "create_session"))  in exchange_ksvs()
188 			hdcp, "an_write"))  in exchange_ksvs()
192 			hdcp, "aksv_write"))  in exchange_ksvs()
196 			hdcp, "bksv_read"))  in exchange_ksvs()
200 			hdcp, "bksv_validation"))  in exchange_ksvs()
202 	if (hdcp->auth.msg.hdcp1.ainfo) {  in exchange_ksvs()
205 				hdcp, "ainfo_write"))  in exchange_ksvs()
213 		struct mod_hdcp *hdcp,  in computations_validate_rx_test_for_repeater()  argument
226 			hdcp, "r0p_read"))  in computations_validate_rx_test_for_repeater()
230 			hdcp, "rx_validation"))  in computations_validate_rx_test_for_repeater()
232 	if (hdcp->connection.is_repeater) {  in computations_validate_rx_test_for_repeater()
233 		if (!hdcp->connection.link.adjust.hdcp1.postpone_encryption)  in computations_validate_rx_test_for_repeater()
237 					hdcp, "encryption"))  in computations_validate_rx_test_for_repeater()
242 				hdcp, "encryption"))  in computations_validate_rx_test_for_repeater()
244 		if (is_dp_mst_hdcp(hdcp))  in computations_validate_rx_test_for_repeater()
248 					hdcp, "stream_encryption_dp"))  in computations_validate_rx_test_for_repeater()
255 static enum mod_hdcp_status authenticated(struct mod_hdcp *hdcp,  in authenticated()  argument
268 			hdcp, "link_maintenance");  in authenticated()
273 static enum mod_hdcp_status wait_for_ready(struct mod_hdcp *hdcp,  in wait_for_ready()  argument
286 	if (is_dp_hdcp(hdcp)) {  in wait_for_ready()
289 				hdcp, "bstatus_read"))  in wait_for_ready()
293 				hdcp, "link_integrity_check"))  in wait_for_ready()
297 				hdcp, "reauth_request_check"))  in wait_for_ready()
302 				hdcp, "bcaps_read"))  in wait_for_ready()
307 			hdcp, "ready_check"))  in wait_for_ready()
313 static enum mod_hdcp_status read_ksv_list(struct mod_hdcp *hdcp,  in read_ksv_list()  argument
325 	if (is_dp_hdcp(hdcp)) {  in read_ksv_list()
328 				hdcp, "binfo_read_dp"))  in read_ksv_list()
333 				hdcp, "bstatus_read"))  in read_ksv_list()
338 			hdcp, "max_cascade_check"))  in read_ksv_list()
342 			hdcp, "max_devs_check"))  in read_ksv_list()
346 			hdcp, "device_count_check"))  in read_ksv_list()
348 	device_count = get_device_count(hdcp);  in read_ksv_list()
349 	hdcp->auth.msg.hdcp1.ksvlist_size = device_count*5;  in read_ksv_list()
352 			hdcp, "ksvlist_read"))  in read_ksv_list()
356 			hdcp, "vp_read"))  in read_ksv_list()
360 			hdcp, "ksvlist_vp_validation"))  in read_ksv_list()
365 				hdcp, "encryption"))  in read_ksv_list()
367 	if (is_dp_mst_hdcp(hdcp))  in read_ksv_list()
371 				hdcp, "stream_encryption_dp"))  in read_ksv_list()
377 static enum mod_hdcp_status determine_rx_hdcp_capable_dp(struct mod_hdcp *hdcp,  in determine_rx_hdcp_capable_dp()  argument
390 			hdcp, "bcaps_read"))  in determine_rx_hdcp_capable_dp()
394 			hdcp, "hdcp_capable_dp"))  in determine_rx_hdcp_capable_dp()
400 static enum mod_hdcp_status wait_for_r0_prime_dp(struct mod_hdcp *hdcp,  in wait_for_r0_prime_dp()  argument
414 			hdcp, "bstatus_read"))  in wait_for_r0_prime_dp()
418 			hdcp, "r0p_available_dp"))  in wait_for_r0_prime_dp()
424 static enum mod_hdcp_status authenticated_dp(struct mod_hdcp *hdcp,  in authenticated_dp()  argument
438 				hdcp, "bstatus_read");  in authenticated_dp()
442 				hdcp, "link_integrity_check");  in authenticated_dp()
446 				hdcp, "reauth_request_check");  in authenticated_dp()
453 		enum mod_hdcp_status *status, struct mod_hdcp *hdcp, char *str)  in mod_hdcp_execute_and_set()  argument
455 	*status = func(hdcp);  in mod_hdcp_execute_and_set()
457 		HDCP_INPUT_PASS_TRACE(hdcp, str);  in mod_hdcp_execute_and_set()
460 		HDCP_INPUT_FAIL_TRACE(hdcp, str);  in mod_hdcp_execute_and_set()
466 enum mod_hdcp_status mod_hdcp_hdcp1_execution(struct mod_hdcp *hdcp,  in mod_hdcp_hdcp1_execution()  argument
472 	switch (current_state(hdcp)) {  in mod_hdcp_hdcp1_execution()
474 		status = wait_for_active_rx(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_execution()
477 		status = exchange_ksvs(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_execution()
480 		status = computations_validate_rx_test_for_repeater(hdcp,  in mod_hdcp_hdcp1_execution()
484 		status = authenticated(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_execution()
487 		status = wait_for_ready(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_execution()
490 		status = read_ksv_list(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_execution()
500 enum mod_hdcp_status mod_hdcp_hdcp1_dp_execution(struct mod_hdcp *hdcp,  in mod_hdcp_hdcp1_dp_execution()  argument
506 	switch (current_state(hdcp)) {  in mod_hdcp_hdcp1_dp_execution()
508 		status = determine_rx_hdcp_capable_dp(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_dp_execution()
511 		status = exchange_ksvs(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_dp_execution()
514 		status = wait_for_r0_prime_dp(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_dp_execution()
518 				hdcp, event_ctx, input);  in mod_hdcp_hdcp1_dp_execution()
521 		status = authenticated_dp(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_dp_execution()
524 		status = wait_for_ready(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_dp_execution()
527 		status = read_ksv_list(hdcp, event_ctx, input);  in mod_hdcp_hdcp1_dp_execution()