3  * Thunderbolt Time Management Unit (TMU) support
73 			 sw->tmu.cap + TMU_RTR_CS_0, 1);  in tb_switch_set_tmu_mode_params()
81 			  sw->tmu.cap + TMU_RTR_CS_0, 1);  in tb_switch_set_tmu_mode_params()
86 			 sw->tmu.cap + TMU_RTR_CS_15, 1);  in tb_switch_set_tmu_mode_params()
100 			 sw->tmu.cap + TMU_RTR_CS_15, 1);  in tb_switch_set_tmu_mode_params()
108 				 sw->tmu.cap + TMU_RTR_CS_18, 1);  in tb_switch_set_tmu_mode_params()
116 				  sw->tmu.cap + TMU_RTR_CS_18, 1);  in tb_switch_set_tmu_mode_params()
128 			 sw->tmu.cap + TMU_RTR_CS_0, 1);  in tb_switch_tmu_ucap_is_supported()
141 			 sw->tmu.cap + TMU_RTR_CS_3, 1);  in tb_switch_tmu_rate_read()
155 			 sw->tmu.cap + TMU_RTR_CS_3, 1);  in tb_switch_tmu_rate_write()
163 			   sw->tmu.cap + TMU_RTR_CS_3, 1);  in tb_switch_tmu_rate_write()
188 	if (!port->sw->tmu.has_ucap)  in tb_port_tmu_set_unidirectional()
338 		offset = sw->tmu.cap + TMU_RTR_CS_0;  in tb_switch_tmu_set_time_disruption()
364 		tb_sw_dbg(sw, "TMU: supports uni-directional mode\n");  in tmu_mode_init()
367 		tb_sw_dbg(sw, "TMU: supports enhanced uni-directional mode\n");  in tmu_mode_init()
375 	sw->tmu.mode = TB_SWITCH_TMU_MODE_OFF;  in tmu_mode_init()
381 			sw->tmu.mode = TB_SWITCH_TMU_MODE_MEDRES_ENHANCED_UNI;  in tmu_mode_init()
384 				sw->tmu.mode = TB_SWITCH_TMU_MODE_LOWRES;  in tmu_mode_init()
386 				sw->tmu.mode = TB_SWITCH_TMU_MODE_HIFI_UNI;  in tmu_mode_init()
388 			sw->tmu.mode = TB_SWITCH_TMU_MODE_HIFI_BI;  in tmu_mode_init()
391 		sw->tmu.mode = TB_SWITCH_TMU_MODE_HIFI_BI;  in tmu_mode_init()
395 	sw->tmu.mode_request = sw->tmu.mode;  in tmu_mode_init()
396 	sw->tmu.has_ucap = ucap;  in tmu_mode_init()
402  * tb_switch_tmu_init() - Initialize switch TMU structures
405  * This function must be called before other TMU related functions to
419 		sw->tmu.cap = ret;  in tb_switch_tmu_init()
433 	tb_sw_dbg(sw, "TMU: current mode: %s\n", tmu_mode_name(sw->tmu.mode));  in tb_switch_tmu_init()
459 	if (!root_switch->tmu.cap)  in tb_switch_tmu_post_time()
463 			 root_switch->tmu.cap + TMU_RTR_CS_1,  in tb_switch_tmu_post_time()
469 		tb_sw_dbg(root_switch, "TMU: local_time[%d]=0x%08x\n", i,  in tb_switch_tmu_post_time()
484 	post_local_time_offset = sw->tmu.cap + TMU_RTR_CS_22;  in tb_switch_tmu_post_time()
485 	post_time_offset = sw->tmu.cap + TMU_RTR_CS_24;  in tb_switch_tmu_post_time()
486 	post_time_high_offset = sw->tmu.cap + TMU_RTR_CS_25;  in tb_switch_tmu_post_time()
529 	tb_sw_dbg(sw, "TMU: updated local time to %#llx\n", local_time);  in tb_switch_tmu_post_time()
554  * tb_switch_tmu_disable() - Disable TMU of a switch
555  * @sw: Switch whose TMU to disable
557  * Turns off TMU of @sw if it is enabled. If not enabled does nothing.
562 	if (sw->tmu.mode == TB_SWITCH_TMU_MODE_OFF)  in tb_switch_tmu_disable()
572 		 * In case of uni-directional time sync, TMU handshake is  in tb_switch_tmu_disable()
574 		 * time sync, TMU handshake is initiated by downstream router.  in tb_switch_tmu_disable()
579 		 * uni-directional mode and we don't want to change it's TMU  in tb_switch_tmu_disable()
591 		switch (sw->tmu.mode) {  in tb_switch_tmu_disable()
614 	sw->tmu.mode = TB_SWITCH_TMU_MODE_OFF;  in tb_switch_tmu_disable()
616 	tb_sw_dbg(sw, "TMU: disabled\n");  in tb_switch_tmu_disable()
630 	 * bi-directional or uni-directional TMU mode, get back to the TMU  in tb_switch_tmu_off()
638 	switch (sw->tmu.mode_request) {  in tb_switch_tmu_off()
653 	tb_switch_set_tmu_mode_params(sw, sw->tmu.mode);  in tb_switch_tmu_off()
659  * This function is called when the previous TMU mode was
723  * This function is called when the previous TMU mode was
734 				       tmu_rates[sw->tmu.mode_request]);  in tb_switch_tmu_enable_unidirectional()
738 	ret = tb_switch_set_tmu_mode_params(sw, sw->tmu.mode_request);  in tb_switch_tmu_enable_unidirectional()
766  * This function is called when the previous TMU mode was
771 	unsigned int rate = tmu_rates[sw->tmu.mode_request];  in tb_switch_tmu_enable_enhanced()
776 	ret = tb_switch_set_tmu_mode_params(sw, sw->tmu.mode_request);  in tb_switch_tmu_enable_enhanced()
783 	ret = tb_port_set_tmu_mode_params(up, sw->tmu.mode_request);  in tb_switch_tmu_enable_enhanced()
795 	ret = tb_port_set_tmu_mode_params(down, sw->tmu.mode_request);  in tb_switch_tmu_enable_enhanced()
816 	unsigned int rate = tmu_rates[sw->tmu.mode];  in tb_switch_tmu_change_mode_prev()
823 	 * get back to the TMU configurations in previous mode.  in tb_switch_tmu_change_mode_prev()
827 	switch (sw->tmu.mode) {  in tb_switch_tmu_change_mode_prev()
843 	tb_switch_set_tmu_mode_params(sw, sw->tmu.mode);  in tb_switch_tmu_change_mode_prev()
845 	switch (sw->tmu.mode) {  in tb_switch_tmu_change_mode_prev()
862 	unsigned int rate = tmu_rates[sw->tmu.mode_request];  in tb_switch_tmu_change_mode()
870 	switch (sw->tmu.mode_request) {  in tb_switch_tmu_change_mode()
895 	ret = tb_switch_set_tmu_mode_params(sw, sw->tmu.mode_request);  in tb_switch_tmu_change_mode()
900 	switch (sw->tmu.mode_request) {  in tb_switch_tmu_change_mode()
935  * tb_switch_tmu_enable() - Enable TMU on a router
936  * @sw: Router whose TMU to enable
938  * Enables TMU of a router to be in uni-directional Normal/HiFi or
950 	    (sw->tmu.mode_request == TB_SWITCH_TMU_MODE_LOWRES ||  in tb_switch_tmu_enable()
951 	     sw->tmu.mode_request == TB_SWITCH_TMU_MODE_HIFI_UNI)) {  in tb_switch_tmu_enable()
967 		if (sw->tmu.mode == TB_SWITCH_TMU_MODE_OFF) {  in tb_switch_tmu_enable()
968 			switch (sw->tmu.mode_request) {  in tb_switch_tmu_enable()
984 		} else if (sw->tmu.mode == TB_SWITCH_TMU_MODE_LOWRES ||  in tb_switch_tmu_enable()
985 			   sw->tmu.mode == TB_SWITCH_TMU_MODE_HIFI_UNI ||  in tb_switch_tmu_enable()
986 			   sw->tmu.mode == TB_SWITCH_TMU_MODE_HIFI_BI) {  in tb_switch_tmu_enable()
998 		ret = tb_switch_tmu_rate_write(sw, tmu_rates[sw->tmu.mode_request]);  in tb_switch_tmu_enable()
1002 		tb_sw_warn(sw, "TMU: failed to enable mode %s: %d\n",  in tb_switch_tmu_enable()
1003 			   tmu_mode_name(sw->tmu.mode_request), ret);  in tb_switch_tmu_enable()
1005 		sw->tmu.mode = sw->tmu.mode_request;  in tb_switch_tmu_enable()
1006 		tb_sw_dbg(sw, "TMU: mode set to: %s\n", tmu_mode_name(sw->tmu.mode));  in tb_switch_tmu_enable()
1013  * tb_switch_tmu_configure() - Configure the TMU mode
1017  * Selects the TMU mode that is enabled when tb_switch_tmu_enable() is
1032 		if (!sw->tmu.has_ucap)  in tb_switch_tmu_configure()
1051 		tb_sw_warn(sw, "TMU: unsupported mode %u\n", mode);  in tb_switch_tmu_configure()
1055 	if (sw->tmu.mode_request != mode) {  in tb_switch_tmu_configure()
1056 		tb_sw_dbg(sw, "TMU: mode change %s -> %s requested\n",  in tb_switch_tmu_configure()
1057 			  tmu_mode_name(sw->tmu.mode), tmu_mode_name(mode));  in tb_switch_tmu_configure()
1058 		sw->tmu.mode_request = mode;  in tb_switch_tmu_configure()