13 static void wil_pm_wake_connected_net_queues(struct wil6210_priv *wil)  in wil_pm_wake_connected_net_queues()  argument
17 	mutex_lock(&wil->vif_mutex);  in wil_pm_wake_connected_net_queues()
18 	for (i = 0; i < GET_MAX_VIFS(wil); i++) {  in wil_pm_wake_connected_net_queues()
19 		struct wil6210_vif *vif = wil->vifs[i];  in wil_pm_wake_connected_net_queues()
22 			wil_update_net_queues_bh(wil, vif, NULL, false);  in wil_pm_wake_connected_net_queues()
24 	mutex_unlock(&wil->vif_mutex);  in wil_pm_wake_connected_net_queues()
27 static void wil_pm_stop_all_net_queues(struct wil6210_priv *wil)  in wil_pm_stop_all_net_queues()  argument
31 	mutex_lock(&wil->vif_mutex);  in wil_pm_stop_all_net_queues()
32 	for (i = 0; i < GET_MAX_VIFS(wil); i++) {  in wil_pm_stop_all_net_queues()
33 		struct wil6210_vif *vif = wil->vifs[i];  in wil_pm_stop_all_net_queues()
36 			wil_update_net_queues_bh(wil, vif, NULL, true);  in wil_pm_stop_all_net_queues()
38 	mutex_unlock(&wil->vif_mutex);  in wil_pm_stop_all_net_queues()
42 wil_can_suspend_vif(struct wil6210_priv *wil, struct wil6210_vif *vif,  in wil_can_suspend_vif()  argument
49 		wil_dbg_pm(wil, "Sniffer\n");  in wil_can_suspend_vif()
56 			wil_dbg_pm(wil, "Delay suspend when connecting\n");  in wil_can_suspend_vif()
60 			wil_dbg_pm(wil, "STA-like interface\n");  in wil_can_suspend_vif()
66 		wil_dbg_pm(wil, "AP-like interface\n");  in wil_can_suspend_vif()
73 int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime)  in wil_can_suspend()  argument
77 				 wil->fw_capabilities);  in wil_can_suspend()
80 	wil_dbg_pm(wil, "can_suspend: %s\n", is_runtime ? "runtime" : "system");  in wil_can_suspend()
83 		wil_dbg_pm(wil, "Deny any suspend - %s mode\n",  in wil_can_suspend()
88 	if (is_runtime && !wil->platform_ops.suspend) {  in wil_can_suspend()
93 	mutex_lock(&wil->vif_mutex);  in wil_can_suspend()
94 	active_ifaces = wil_has_active_ifaces(wil, true, false);  in wil_can_suspend()
95 	mutex_unlock(&wil->vif_mutex);  in wil_can_suspend()
99 		wil_dbg_pm(wil, "Interface is down\n");  in wil_can_suspend()
102 	if (test_bit(wil_status_resetting, wil->status)) {  in wil_can_suspend()
103 		wil_dbg_pm(wil, "Delay suspend when resetting\n");  in wil_can_suspend()
107 	if (wil->recovery_state != fw_recovery_idle) {  in wil_can_suspend()
108 		wil_dbg_pm(wil, "Delay suspend during recovery\n");  in wil_can_suspend()
114 	mutex_lock(&wil->vif_mutex);  in wil_can_suspend()
115 	for (i = 0; i < GET_MAX_VIFS(wil); i++) {  in wil_can_suspend()
116 		struct wil6210_vif *vif = wil->vifs[i];  in wil_can_suspend()
120 		if (!wil_can_suspend_vif(wil, vif, is_runtime)) {  in wil_can_suspend()
122 			mutex_unlock(&wil->vif_mutex);  in wil_can_suspend()
126 	mutex_unlock(&wil->vif_mutex);  in wil_can_suspend()
129 	wil_dbg_pm(wil, "can_suspend: %s => %s (%d)\n",  in wil_can_suspend()
133 		wil->suspend_stats.rejected_by_host++;  in wil_can_suspend()
138 static int wil_resume_keep_radio_on(struct wil6210_priv *wil)  in wil_resume_keep_radio_on()  argument
145 	set_bit(wil_status_resuming, wil->status);  in wil_resume_keep_radio_on()
146 	clear_bit(wil_status_suspended, wil->status);  in wil_resume_keep_radio_on()
147 	wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);  in wil_resume_keep_radio_on()
148 	wil_unmask_irq(wil);  in wil_resume_keep_radio_on()
150 	wil6210_bus_request(wil, wil->bus_request_kbps_pre_suspend);  in wil_resume_keep_radio_on()
153 	rc = wmi_resume(wil);  in wil_resume_keep_radio_on()
155 		wil_err(wil, "device failed to resume (%d)\n", rc);  in wil_resume_keep_radio_on()
158 		rc = wil_down(wil);  in wil_resume_keep_radio_on()
160 			wil_err(wil, "wil_down failed (%d)\n", rc);  in wil_resume_keep_radio_on()
163 		rc = wil_up(wil);  in wil_resume_keep_radio_on()
165 			wil_err(wil, "wil_up failed (%d)\n", rc);  in wil_resume_keep_radio_on()
171 	wil_pm_wake_connected_net_queues(wil);  in wil_resume_keep_radio_on()
175 		set_bit(wil_status_suspended, wil->status);  in wil_resume_keep_radio_on()
179 static int wil_suspend_keep_radio_on(struct wil6210_priv *wil)  in wil_suspend_keep_radio_on()  argument
184 	wil_dbg_pm(wil, "suspend keep radio on\n");  in wil_suspend_keep_radio_on()
187 	rc = down_write_trylock(&wil->mem_lock);  in wil_suspend_keep_radio_on()
189 		wil_err(wil,  in wil_suspend_keep_radio_on()
192 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_keep_radio_on()
196 	set_bit(wil_status_suspending, wil->status);  in wil_suspend_keep_radio_on()
197 	up_write(&wil->mem_lock);  in wil_suspend_keep_radio_on()
199 	wil_pm_stop_all_net_queues(wil);  in wil_suspend_keep_radio_on()
201 	if (!wil_is_tx_idle(wil)) {  in wil_suspend_keep_radio_on()
202 		wil_dbg_pm(wil, "Pending TX data, reject suspend\n");  in wil_suspend_keep_radio_on()
203 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_keep_radio_on()
207 	if (!wil->txrx_ops.is_rx_idle(wil)) {  in wil_suspend_keep_radio_on()
208 		wil_dbg_pm(wil, "Pending RX data, reject suspend\n");  in wil_suspend_keep_radio_on()
209 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_keep_radio_on()
213 	if (!wil_is_wmi_idle(wil)) {  in wil_suspend_keep_radio_on()
214 		wil_dbg_pm(wil, "Pending WMI events, reject suspend\n");  in wil_suspend_keep_radio_on()
215 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_keep_radio_on()
220 	rc = wmi_suspend(wil);  in wil_suspend_keep_radio_on()
222 		wil_dbg_pm(wil, "wmi_suspend failed, reject suspend (%d)\n",  in wil_suspend_keep_radio_on()
229 	if (test_bit(wil_status_napi_en, wil->status)) {  in wil_suspend_keep_radio_on()
230 		while (!wil->txrx_ops.is_rx_idle(wil)) {  in wil_suspend_keep_radio_on()
232 				if (wil->txrx_ops.is_rx_idle(wil))  in wil_suspend_keep_radio_on()
234 				wil_err(wil,  in wil_suspend_keep_radio_on()
236 				wil->suspend_stats.r_on.failed_suspends++;  in wil_suspend_keep_radio_on()
239 			wil_dbg_ratelimited(wil, "rx vring is not empty -> NAPI\n");  in wil_suspend_keep_radio_on()
240 			napi_synchronize(&wil->napi_rx);  in wil_suspend_keep_radio_on()
250 	if (!wil_is_wmi_idle(wil)) {  in wil_suspend_keep_radio_on()
251 		wil_err(wil, "suspend failed due to pending WMI events\n");  in wil_suspend_keep_radio_on()
252 		wil->suspend_stats.r_on.failed_suspends++;  in wil_suspend_keep_radio_on()
256 	wil_mask_irq(wil);  in wil_suspend_keep_radio_on()
259 	wil_s(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);  in wil_suspend_keep_radio_on()
261 	if (wil->platform_ops.suspend) {  in wil_suspend_keep_radio_on()
262 		rc = wil->platform_ops.suspend(wil->platform_handle, true);  in wil_suspend_keep_radio_on()
264 			wil_err(wil, "platform device failed to suspend (%d)\n",  in wil_suspend_keep_radio_on()
266 			wil->suspend_stats.r_on.failed_suspends++;  in wil_suspend_keep_radio_on()
267 			wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);  in wil_suspend_keep_radio_on()
268 			wil_unmask_irq(wil);  in wil_suspend_keep_radio_on()
274 	wil->bus_request_kbps_pre_suspend = wil->bus_request_kbps;  in wil_suspend_keep_radio_on()
275 	wil6210_bus_request(wil, 0);  in wil_suspend_keep_radio_on()
277 	set_bit(wil_status_suspended, wil->status);  in wil_suspend_keep_radio_on()
278 	clear_bit(wil_status_suspending, wil->status);  in wil_suspend_keep_radio_on()
283 	set_bit(wil_status_resuming, wil->status);  in wil_suspend_keep_radio_on()
284 	clear_bit(wil_status_suspending, wil->status);  in wil_suspend_keep_radio_on()
285 	rc = wmi_resume(wil);  in wil_suspend_keep_radio_on()
289 		wil_pm_wake_connected_net_queues(wil);  in wil_suspend_keep_radio_on()
294 	clear_bit(wil_status_suspending, wil->status);  in wil_suspend_keep_radio_on()
295 	wil_pm_wake_connected_net_queues(wil);  in wil_suspend_keep_radio_on()
299 static int wil_suspend_radio_off(struct wil6210_priv *wil)  in wil_suspend_radio_off()  argument
304 	wil_dbg_pm(wil, "suspend radio off\n");  in wil_suspend_radio_off()
306 	rc = down_write_trylock(&wil->mem_lock);  in wil_suspend_radio_off()
308 		wil_err(wil,  in wil_suspend_radio_off()
311 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_radio_off()
315 	set_bit(wil_status_suspending, wil->status);  in wil_suspend_radio_off()
316 	up_write(&wil->mem_lock);  in wil_suspend_radio_off()
319 	mutex_lock(&wil->vif_mutex);  in wil_suspend_radio_off()
320 	active_ifaces = wil_has_active_ifaces(wil, true, false);  in wil_suspend_radio_off()
321 	mutex_unlock(&wil->vif_mutex);  in wil_suspend_radio_off()
324 		rc = wil_down(wil);  in wil_suspend_radio_off()
326 			wil_err(wil, "wil_down : %d\n", rc);  in wil_suspend_radio_off()
327 			wil->suspend_stats.r_off.failed_suspends++;  in wil_suspend_radio_off()
333 	wil_dbg_pm(wil, "Disabling PCIe IRQ before suspending\n");  in wil_suspend_radio_off()
334 	wil_disable_irq(wil);  in wil_suspend_radio_off()
336 	if (wil->platform_ops.suspend) {  in wil_suspend_radio_off()
337 		rc = wil->platform_ops.suspend(wil->platform_handle, false);  in wil_suspend_radio_off()
339 			wil_enable_irq(wil);  in wil_suspend_radio_off()
340 			wil->suspend_stats.r_off.failed_suspends++;  in wil_suspend_radio_off()
345 	set_bit(wil_status_suspended, wil->status);  in wil_suspend_radio_off()
348 	clear_bit(wil_status_suspending, wil->status);  in wil_suspend_radio_off()
349 	wil_dbg_pm(wil, "suspend radio off: %d\n", rc);  in wil_suspend_radio_off()
354 static int wil_resume_radio_off(struct wil6210_priv *wil)  in wil_resume_radio_off()  argument
359 	wil_dbg_pm(wil, "Enabling PCIe IRQ\n");  in wil_resume_radio_off()
360 	wil_enable_irq(wil);  in wil_resume_radio_off()
366 	mutex_lock(&wil->vif_mutex);  in wil_resume_radio_off()
367 	active_ifaces = wil_has_active_ifaces(wil, true, false);  in wil_resume_radio_off()
368 	mutex_unlock(&wil->vif_mutex);  in wil_resume_radio_off()
370 		rc = wil_up(wil);  in wil_resume_radio_off()
372 		clear_bit(wil_status_suspended, wil->status);  in wil_resume_radio_off()
377 int wil_suspend(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on)  in wil_suspend()  argument
381 	wil_dbg_pm(wil, "suspend: %s\n", is_runtime ? "runtime" : "system");  in wil_suspend()
383 	if (test_bit(wil_status_suspended, wil->status)) {  in wil_suspend()
384 		wil_dbg_pm(wil, "trying to suspend while suspended\n");  in wil_suspend()
389 		rc = wil_suspend_radio_off(wil);  in wil_suspend()
391 		rc = wil_suspend_keep_radio_on(wil);  in wil_suspend()
393 	wil_dbg_pm(wil, "suspend: %s => %d\n",  in wil_suspend()
399 int wil_resume(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on)  in wil_resume()  argument
403 	wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system");  in wil_resume()
405 	if (wil->platform_ops.resume) {  in wil_resume()
406 		rc = wil->platform_ops.resume(wil->platform_handle,  in wil_resume()
409 			wil_err(wil, "platform_ops.resume : %d\n", rc);  in wil_resume()
415 		rc = wil_resume_keep_radio_on(wil);  in wil_resume()
417 		rc = wil_resume_radio_off(wil);  in wil_resume()
420 	wil_dbg_pm(wil, "resume: %s => %d\n", is_runtime ? "runtime" : "system",  in wil_resume()
425 void wil_pm_runtime_allow(struct wil6210_priv *wil)  in wil_pm_runtime_allow()  argument
427 	struct device *dev = wil_to_dev(wil);  in wil_pm_runtime_allow()
435 void wil_pm_runtime_forbid(struct wil6210_priv *wil)  in wil_pm_runtime_forbid()  argument
437 	struct device *dev = wil_to_dev(wil);  in wil_pm_runtime_forbid()
443 int wil_pm_runtime_get(struct wil6210_priv *wil)  in wil_pm_runtime_get()  argument
446 	struct device *dev = wil_to_dev(wil);  in wil_pm_runtime_get()
450 		wil_err(wil, "pm_runtime_get_sync() failed, rc = %d\n", rc);  in wil_pm_runtime_get()
458 void wil_pm_runtime_put(struct wil6210_priv *wil)  in wil_pm_runtime_put()  argument
460 	struct device *dev = wil_to_dev(wil);  in wil_pm_runtime_put()