1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 // Copyright(c) 2015-2023 Intel Corporation. All rights reserved.
14 	struct device *dev = sdw->cdns.dev;  in intel_start_bus()
15 	struct sdw_cdns *cdns = &sdw->cdns;  in intel_start_bus()
16 	struct sdw_bus *bus = &cdns->bus;  in intel_start_bus()
23 	if (bus->multi_link)  in intel_start_bus()
34 	if (bus->multi_link) {  in intel_start_bus()
63 	schedule_delayed_work(&cdns->attach_dwork,  in intel_start_bus()
71 	struct device *dev = sdw->cdns.dev;  in intel_start_bus_after_reset()
72 	struct sdw_cdns *cdns = &sdw->cdns;  in intel_start_bus_after_reset()
73 	struct sdw_bus *bus = &cdns->bus;  in intel_start_bus_after_reset()
81 	 * all the masters are powered on for they are in the same power  in intel_start_bus_after_reset()
85 	clock_stop0 = sdw_cdns_is_clock_stop(&sdw->cdns);  in intel_start_bus_after_reset()
101 		if (bus->multi_link)  in intel_start_bus_after_reset()
105 		 * Re-initialize the IP since it was powered-off  in intel_start_bus_after_reset()
107 		sdw_cdns_init(&sdw->cdns);  in intel_start_bus_after_reset()
128 		if (bus->multi_link) {  in intel_start_bus_after_reset()
131 				dev_err(sdw->cdns.dev, "sync go failed during resume\n");  in intel_start_bus_after_reset()
157 	schedule_delayed_work(&cdns->attach_dwork,  in intel_start_bus_after_reset()
165 	struct device *dev = sdw->cdns.dev;  in intel_check_clock_stop()
168 	clock_stop0 = sdw_cdns_is_clock_stop(&sdw->cdns);  in intel_check_clock_stop()
175 	struct device *dev = sdw->cdns.dev;  in intel_start_bus_after_clock_stop()
176 	struct sdw_cdns *cdns = &sdw->cdns;  in intel_start_bus_after_clock_stop()
193 	schedule_delayed_work(&cdns->attach_dwork,  in intel_start_bus_after_clock_stop()
201 	struct device *dev = sdw->cdns.dev;  in intel_stop_bus()
202 	struct sdw_cdns *cdns = &sdw->cdns;  in intel_stop_bus()
206 	cancel_delayed_work_sync(&cdns->attach_dwork);  in intel_stop_bus()
239 	struct sdw_cdns *cdns = &sdw->cdns;  in intel_pre_bank_switch()
240 	struct sdw_bus *bus = &cdns->bus;  in intel_pre_bank_switch()
242 	/* Write to register only for multi-link */  in intel_pre_bank_switch()
243 	if (!bus->multi_link)  in intel_pre_bank_switch()
253 	struct sdw_cdns *cdns = &sdw->cdns;  in intel_post_bank_switch()
254 	struct sdw_bus *bus = &cdns->bus;  in intel_post_bank_switch()
257 	/* Write to register only for multi-link */  in intel_post_bank_switch()
258 	if (!bus->multi_link)  in intel_post_bank_switch()
261 	mutex_lock(sdw->link_res->shim_lock);  in intel_post_bank_switch()
264 	 * post_bank_switch() ops is called from the bus in loop for  in intel_post_bank_switch()
274 	mutex_unlock(sdw->link_res->shim_lock);  in intel_post_bank_switch()
277 		dev_err(sdw->cdns.dev, "Post bank switch failed: %d\n", ret);  in intel_post_bank_switch()