24 static void wil_pm_wake_connected_net_queues(struct wil6210_priv *wil)  in wil_pm_wake_connected_net_queues()  argument
28 	mutex_lock(&wil->vif_mutex);  in wil_pm_wake_connected_net_queues()
29 	for (i = 0; i < wil->max_vifs; i++) {  in wil_pm_wake_connected_net_queues()
30 		struct wil6210_vif *vif = wil->vifs[i];  in wil_pm_wake_connected_net_queues()
33 			wil_update_net_queues_bh(wil, vif, NULL, false);  in wil_pm_wake_connected_net_queues()
35 	mutex_unlock(&wil->vif_mutex);  in wil_pm_wake_connected_net_queues()
38 static void wil_pm_stop_all_net_queues(struct wil6210_priv *wil)  in wil_pm_stop_all_net_queues()  argument
42 	mutex_lock(&wil->vif_mutex);  in wil_pm_stop_all_net_queues()
43 	for (i = 0; i < wil->max_vifs; i++) {  in wil_pm_stop_all_net_queues()
44 		struct wil6210_vif *vif = wil->vifs[i];  in wil_pm_stop_all_net_queues()
47 			wil_update_net_queues_bh(wil, vif, NULL, true);  in wil_pm_stop_all_net_queues()
49 	mutex_unlock(&wil->vif_mutex);  in wil_pm_stop_all_net_queues()
53 wil_can_suspend_vif(struct wil6210_priv *wil, struct wil6210_vif *vif,  in wil_can_suspend_vif()  argument
60 		wil_dbg_pm(wil, "Sniffer\n");  in wil_can_suspend_vif()
67 			wil_dbg_pm(wil, "Delay suspend when connecting\n");  in wil_can_suspend_vif()
71 			wil_dbg_pm(wil, "STA-like interface\n");  in wil_can_suspend_vif()
77 		wil_dbg_pm(wil, "AP-like interface\n");  in wil_can_suspend_vif()
84 int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime)  in wil_can_suspend()  argument
88 				 wil->fw_capabilities);  in wil_can_suspend()
91 	wil_dbg_pm(wil, "can_suspend: %s\n", is_runtime ? "runtime" : "system");  in wil_can_suspend()
94 		wil_dbg_pm(wil, "Deny any suspend - %s mode\n",  in wil_can_suspend()
99 	if (is_runtime && !wil->platform_ops.suspend) {  in wil_can_suspend()
104 	mutex_lock(&wil->vif_mutex);  in wil_can_suspend()
105 	active_ifaces = wil_has_active_ifaces(wil, true, false);  in wil_can_suspend()
106 	mutex_unlock(&wil->vif_mutex);  in wil_can_suspend()
110 		wil_dbg_pm(wil, "Interface is down\n");  in wil_can_suspend()
113 	if (test_bit(wil_status_resetting, wil->status)) {  in wil_can_suspend()
114 		wil_dbg_pm(wil, "Delay suspend when resetting\n");  in wil_can_suspend()
118 	if (wil->recovery_state != fw_recovery_idle) {  in wil_can_suspend()
119 		wil_dbg_pm(wil, "Delay suspend during recovery\n");  in wil_can_suspend()
125 	mutex_lock(&wil->vif_mutex);  in wil_can_suspend()
126 	for (i = 0; i < wil->max_vifs; i++) {  in wil_can_suspend()
127 		struct wil6210_vif *vif = wil->vifs[i];  in wil_can_suspend()
131 		if (!wil_can_suspend_vif(wil, vif, is_runtime)) {  in wil_can_suspend()
133 			mutex_unlock(&wil->vif_mutex);  in wil_can_suspend()
137 	mutex_unlock(&wil->vif_mutex);  in wil_can_suspend()
140 	wil_dbg_pm(wil, "can_suspend: %s => %s (%d)\n",  in wil_can_suspend()
144 		wil->suspend_stats.rejected_by_host++;  in wil_can_suspend()
149 static int wil_resume_keep_radio_on(struct wil6210_priv *wil)  in wil_resume_keep_radio_on()  argument
156 	set_bit(wil_status_resuming, wil->status);  in wil_resume_keep_radio_on()
157 	clear_bit(wil_status_suspended, wil->status);  in wil_resume_keep_radio_on()
158 	wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);  in wil_resume_keep_radio_on()
159 	wil_unmask_irq(wil);  in wil_resume_keep_radio_on()
161 	wil6210_bus_request(wil, wil->bus_request_kbps_pre_suspend);  in wil_resume_keep_radio_on()
164 	rc = wmi_resume(wil);  in wil_resume_keep_radio_on()
166 		wil_err(wil, "device failed to resume (%d)\n", rc);  in wil_resume_keep_radio_on()
169 		rc = wil_down(wil);  in wil_resume_keep_radio_on()
171 			wil_err(wil, "wil_down failed (%d)\n", rc);  in wil_resume_keep_radio_on()
174 		rc = wil_up(wil);  in wil_resume_keep_radio_on()
176 			wil_err(wil, "wil_up failed (%d)\n", rc);  in wil_resume_keep_radio_on()
182 	wil_pm_wake_connected_net_queues(wil);  in wil_resume_keep_radio_on()
186 		set_bit(wil_status_suspended, wil->status);  in wil_resume_keep_radio_on()
190 static int wil_suspend_keep_radio_on(struct wil6210_priv *wil)  in wil_suspend_keep_radio_on()  argument
195 	wil_dbg_pm(wil, "suspend keep radio on\n");  in wil_suspend_keep_radio_on()
198 	set_bit(wil_status_suspending, wil->status);  in wil_suspend_keep_radio_on()
199 	if (test_bit(wil_status_collecting_dumps, wil->status)) {  in wil_suspend_keep_radio_on()
201 		wil_dbg_pm(wil, "reject suspend while collecting crash dump\n");  in wil_suspend_keep_radio_on()
202 		clear_bit(wil_status_suspending, wil->status);  in wil_suspend_keep_radio_on()
203 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_keep_radio_on()
206 	wil_pm_stop_all_net_queues(wil);  in wil_suspend_keep_radio_on()
208 	if (!wil_is_tx_idle(wil)) {  in wil_suspend_keep_radio_on()
209 		wil_dbg_pm(wil, "Pending TX data, reject suspend\n");  in wil_suspend_keep_radio_on()
210 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_keep_radio_on()
214 	if (!wil->txrx_ops.is_rx_idle(wil)) {  in wil_suspend_keep_radio_on()
215 		wil_dbg_pm(wil, "Pending RX data, reject suspend\n");  in wil_suspend_keep_radio_on()
216 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_keep_radio_on()
220 	if (!wil_is_wmi_idle(wil)) {  in wil_suspend_keep_radio_on()
221 		wil_dbg_pm(wil, "Pending WMI events, reject suspend\n");  in wil_suspend_keep_radio_on()
222 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_keep_radio_on()
227 	rc = wmi_suspend(wil);  in wil_suspend_keep_radio_on()
229 		wil_dbg_pm(wil, "wmi_suspend failed, reject suspend (%d)\n",  in wil_suspend_keep_radio_on()
237 	if (test_bit(wil_status_napi_en, wil->status)) {  in wil_suspend_keep_radio_on()
238 		while (!wil->txrx_ops.is_rx_idle(wil)) {  in wil_suspend_keep_radio_on()
240 				if (wil->txrx_ops.is_rx_idle(wil))  in wil_suspend_keep_radio_on()
242 				wil_err(wil,  in wil_suspend_keep_radio_on()
244 				wil->suspend_stats.r_on.failed_suspends++;  in wil_suspend_keep_radio_on()
247 			wil_dbg_ratelimited(wil, "rx vring is not empty -> NAPI\n");  in wil_suspend_keep_radio_on()
248 			napi_synchronize(&wil->napi_rx);  in wil_suspend_keep_radio_on()
258 	if (!wil_is_wmi_idle(wil)) {  in wil_suspend_keep_radio_on()
259 		wil_err(wil, "suspend failed due to pending WMI events\n");  in wil_suspend_keep_radio_on()
260 		wil->suspend_stats.r_on.failed_suspends++;  in wil_suspend_keep_radio_on()
264 	wil_mask_irq(wil);  in wil_suspend_keep_radio_on()
267 	wil_s(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);  in wil_suspend_keep_radio_on()
269 	if (wil->platform_ops.suspend) {  in wil_suspend_keep_radio_on()
270 		rc = wil->platform_ops.suspend(wil->platform_handle, true);  in wil_suspend_keep_radio_on()
272 			wil_err(wil, "platform device failed to suspend (%d)\n",  in wil_suspend_keep_radio_on()
274 			wil->suspend_stats.r_on.failed_suspends++;  in wil_suspend_keep_radio_on()
275 			wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);  in wil_suspend_keep_radio_on()
276 			wil_unmask_irq(wil);  in wil_suspend_keep_radio_on()
282 	wil->bus_request_kbps_pre_suspend = wil->bus_request_kbps;  in wil_suspend_keep_radio_on()
283 	wil6210_bus_request(wil, 0);  in wil_suspend_keep_radio_on()
285 	set_bit(wil_status_suspended, wil->status);  in wil_suspend_keep_radio_on()
286 	clear_bit(wil_status_suspending, wil->status);  in wil_suspend_keep_radio_on()
291 	set_bit(wil_status_resuming, wil->status);  in wil_suspend_keep_radio_on()
292 	clear_bit(wil_status_suspending, wil->status);  in wil_suspend_keep_radio_on()
293 	rc = wmi_resume(wil);  in wil_suspend_keep_radio_on()
297 		wil_pm_wake_connected_net_queues(wil);  in wil_suspend_keep_radio_on()
302 	clear_bit(wil_status_suspending, wil->status);  in wil_suspend_keep_radio_on()
303 	wil_pm_wake_connected_net_queues(wil);  in wil_suspend_keep_radio_on()
307 static int wil_suspend_radio_off(struct wil6210_priv *wil)  in wil_suspend_radio_off()  argument
312 	wil_dbg_pm(wil, "suspend radio off\n");  in wil_suspend_radio_off()
314 	set_bit(wil_status_suspending, wil->status);  in wil_suspend_radio_off()
315 	if (test_bit(wil_status_collecting_dumps, wil->status)) {  in wil_suspend_radio_off()
317 		wil_dbg_pm(wil, "reject suspend while collecting crash dump\n");  in wil_suspend_radio_off()
318 		clear_bit(wil_status_suspending, wil->status);  in wil_suspend_radio_off()
319 		wil->suspend_stats.rejected_by_host++;  in wil_suspend_radio_off()
324 	mutex_lock(&wil->vif_mutex);  in wil_suspend_radio_off()
325 	active_ifaces = wil_has_active_ifaces(wil, true, false);  in wil_suspend_radio_off()
326 	mutex_unlock(&wil->vif_mutex);  in wil_suspend_radio_off()
329 		rc = wil_down(wil);  in wil_suspend_radio_off()
331 			wil_err(wil, "wil_down : %d\n", rc);  in wil_suspend_radio_off()
332 			wil->suspend_stats.r_off.failed_suspends++;  in wil_suspend_radio_off()
338 	wil_dbg_pm(wil, "Disabling PCIe IRQ before suspending\n");  in wil_suspend_radio_off()
339 	wil_disable_irq(wil);  in wil_suspend_radio_off()
341 	if (wil->platform_ops.suspend) {  in wil_suspend_radio_off()
342 		rc = wil->platform_ops.suspend(wil->platform_handle, false);  in wil_suspend_radio_off()
344 			wil_enable_irq(wil);  in wil_suspend_radio_off()
345 			wil->suspend_stats.r_off.failed_suspends++;  in wil_suspend_radio_off()
350 	set_bit(wil_status_suspended, wil->status);  in wil_suspend_radio_off()
353 	clear_bit(wil_status_suspending, wil->status);  in wil_suspend_radio_off()
354 	wil_dbg_pm(wil, "suspend radio off: %d\n", rc);  in wil_suspend_radio_off()
359 static int wil_resume_radio_off(struct wil6210_priv *wil)  in wil_resume_radio_off()  argument
364 	wil_dbg_pm(wil, "Enabling PCIe IRQ\n");  in wil_resume_radio_off()
365 	wil_enable_irq(wil);  in wil_resume_radio_off()
371 	mutex_lock(&wil->vif_mutex);  in wil_resume_radio_off()
372 	active_ifaces = wil_has_active_ifaces(wil, true, false);  in wil_resume_radio_off()
373 	mutex_unlock(&wil->vif_mutex);  in wil_resume_radio_off()
375 		rc = wil_up(wil);  in wil_resume_radio_off()
377 		clear_bit(wil_status_suspended, wil->status);  in wil_resume_radio_off()
382 int wil_suspend(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on)  in wil_suspend()  argument
386 	wil_dbg_pm(wil, "suspend: %s\n", is_runtime ? "runtime" : "system");  in wil_suspend()
388 	if (test_bit(wil_status_suspended, wil->status)) {  in wil_suspend()
389 		wil_dbg_pm(wil, "trying to suspend while suspended\n");  in wil_suspend()
394 		rc = wil_suspend_radio_off(wil);  in wil_suspend()
396 		rc = wil_suspend_keep_radio_on(wil);  in wil_suspend()
398 	wil_dbg_pm(wil, "suspend: %s => %d\n",  in wil_suspend()
404 int wil_resume(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on)  in wil_resume()  argument
408 	wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system");  in wil_resume()
410 	if (wil->platform_ops.resume) {  in wil_resume()
411 		rc = wil->platform_ops.resume(wil->platform_handle,  in wil_resume()
414 			wil_err(wil, "platform_ops.resume : %d\n", rc);  in wil_resume()
420 		rc = wil_resume_keep_radio_on(wil);  in wil_resume()
422 		rc = wil_resume_radio_off(wil);  in wil_resume()
425 	wil_dbg_pm(wil, "resume: %s => %d\n", is_runtime ? "runtime" : "system",  in wil_resume()
430 void wil_pm_runtime_allow(struct wil6210_priv *wil)  in wil_pm_runtime_allow()  argument
432 	struct device *dev = wil_to_dev(wil);  in wil_pm_runtime_allow()
440 void wil_pm_runtime_forbid(struct wil6210_priv *wil)  in wil_pm_runtime_forbid()  argument
442 	struct device *dev = wil_to_dev(wil);  in wil_pm_runtime_forbid()
448 int wil_pm_runtime_get(struct wil6210_priv *wil)  in wil_pm_runtime_get()  argument
451 	struct device *dev = wil_to_dev(wil);  in wil_pm_runtime_get()
455 		wil_err(wil, "pm_runtime_get_sync() failed, rc = %d\n", rc);  in wil_pm_runtime_get()
463 void wil_pm_runtime_put(struct wil6210_priv *wil)  in wil_pm_runtime_put()  argument
465 	struct device *dev = wil_to_dev(wil);  in wil_pm_runtime_put()