85 static void ipa_smp2p_notify(struct ipa_smp2p *smp2p)  in ipa_smp2p_notify()  argument
91 	if (smp2p->notified)  in ipa_smp2p_notify()
94 	dev = &smp2p->ipa->pdev->dev;  in ipa_smp2p_notify()
95 	smp2p->power_on = pm_runtime_get_if_active(dev, true) > 0;  in ipa_smp2p_notify()
98 	mask = BIT(smp2p->enabled_bit);  in ipa_smp2p_notify()
99 	value = smp2p->power_on ? mask : 0;  in ipa_smp2p_notify()
100 	qcom_smem_state_update_bits(smp2p->enabled_state, mask, value);  in ipa_smp2p_notify()
103 	mask = BIT(smp2p->valid_bit);  in ipa_smp2p_notify()
105 	qcom_smem_state_update_bits(smp2p->valid_state, mask, value);  in ipa_smp2p_notify()
107 	smp2p->notified = true;  in ipa_smp2p_notify()
113 	struct ipa_smp2p *smp2p = dev_id;  in ipa_smp2p_modem_clk_query_isr()  local
115 	ipa_smp2p_notify(smp2p);  in ipa_smp2p_modem_clk_query_isr()
123 	struct ipa_smp2p *smp2p;  in ipa_smp2p_panic_notifier()  local
125 	smp2p = container_of(nb, struct ipa_smp2p, panic_notifier);  in ipa_smp2p_panic_notifier()
127 	ipa_smp2p_notify(smp2p);  in ipa_smp2p_panic_notifier()
129 	if (smp2p->power_on)  in ipa_smp2p_panic_notifier()
130 		ipa_uc_panic_notifier(smp2p->ipa);  in ipa_smp2p_panic_notifier()
135 static int ipa_smp2p_panic_notifier_register(struct ipa_smp2p *smp2p)  in ipa_smp2p_panic_notifier_register()  argument
138 	smp2p->panic_notifier.notifier_call = ipa_smp2p_panic_notifier;  in ipa_smp2p_panic_notifier_register()
139 	smp2p->panic_notifier.priority = INT_MAX;	/* Do it early */  in ipa_smp2p_panic_notifier_register()
142 					      &smp2p->panic_notifier);  in ipa_smp2p_panic_notifier_register()
145 static void ipa_smp2p_panic_notifier_unregister(struct ipa_smp2p *smp2p)  in ipa_smp2p_panic_notifier_unregister()  argument
148 					 &smp2p->panic_notifier);  in ipa_smp2p_panic_notifier_unregister()
154 	struct ipa_smp2p *smp2p = dev_id;  in ipa_smp2p_modem_setup_ready_isr()  local
159 	if (smp2p->ipa->setup_complete)  in ipa_smp2p_modem_setup_ready_isr()
163 	dev = &smp2p->ipa->pdev->dev;  in ipa_smp2p_modem_setup_ready_isr()
171 	ret = ipa_setup(smp2p->ipa);  in ipa_smp2p_modem_setup_ready_isr()
182 static int ipa_smp2p_irq_init(struct ipa_smp2p *smp2p, const char *name,  in ipa_smp2p_irq_init()  argument
185 	struct device *dev = &smp2p->ipa->pdev->dev;  in ipa_smp2p_irq_init()
189 	ret = platform_get_irq_byname(smp2p->ipa->pdev, name);  in ipa_smp2p_irq_init()
194 	ret = request_threaded_irq(irq, NULL, handler, 0, name, smp2p);  in ipa_smp2p_irq_init()
203 static void ipa_smp2p_irq_exit(struct ipa_smp2p *smp2p, u32 irq)  in ipa_smp2p_irq_exit()  argument
205 	free_irq(irq, smp2p);  in ipa_smp2p_irq_exit()
213 	if (!ipa->smp2p->power_on)  in ipa_smp2p_power_release()
218 	ipa->smp2p->power_on = false;  in ipa_smp2p_power_release()
227 	struct ipa_smp2p *smp2p;  in ipa_smp2p_init()  local
246 	smp2p = kzalloc(sizeof(*smp2p), GFP_KERNEL);  in ipa_smp2p_init()
247 	if (!smp2p)  in ipa_smp2p_init()
250 	smp2p->ipa = ipa;  in ipa_smp2p_init()
255 	mutex_init(&smp2p->mutex);  in ipa_smp2p_init()
256 	smp2p->valid_state = valid_state;  in ipa_smp2p_init()
257 	smp2p->valid_bit = valid_bit;  in ipa_smp2p_init()
258 	smp2p->enabled_state = enabled_state;  in ipa_smp2p_init()
259 	smp2p->enabled_bit = enabled_bit;  in ipa_smp2p_init()
262 	ipa->smp2p = smp2p;  in ipa_smp2p_init()
264 	ret = ipa_smp2p_irq_init(smp2p, "ipa-clock-query",  in ipa_smp2p_init()
268 	smp2p->clock_query_irq = ret;  in ipa_smp2p_init()
270 	ret = ipa_smp2p_panic_notifier_register(smp2p);  in ipa_smp2p_init()
276 		ret = ipa_smp2p_irq_init(smp2p, "ipa-setup-ready",  in ipa_smp2p_init()
280 		smp2p->setup_ready_irq = ret;  in ipa_smp2p_init()
286 	ipa_smp2p_panic_notifier_unregister(smp2p);  in ipa_smp2p_init()
288 	ipa_smp2p_irq_exit(smp2p, smp2p->clock_query_irq);  in ipa_smp2p_init()
290 	ipa->smp2p = NULL;  in ipa_smp2p_init()
291 	mutex_destroy(&smp2p->mutex);  in ipa_smp2p_init()
292 	kfree(smp2p);  in ipa_smp2p_init()
299 	struct ipa_smp2p *smp2p = ipa->smp2p;  in ipa_smp2p_exit()  local
301 	if (smp2p->setup_ready_irq)  in ipa_smp2p_exit()
302 		ipa_smp2p_irq_exit(smp2p, smp2p->setup_ready_irq);  in ipa_smp2p_exit()
303 	ipa_smp2p_panic_notifier_unregister(smp2p);  in ipa_smp2p_exit()
304 	ipa_smp2p_irq_exit(smp2p, smp2p->clock_query_irq);  in ipa_smp2p_exit()
307 	ipa->smp2p = NULL;  in ipa_smp2p_exit()
308 	mutex_destroy(&smp2p->mutex);  in ipa_smp2p_exit()
309 	kfree(smp2p);  in ipa_smp2p_exit()
314 	struct ipa_smp2p *smp2p = ipa->smp2p;  in ipa_smp2p_irq_disable_setup()  local
316 	if (!smp2p->setup_ready_irq)  in ipa_smp2p_irq_disable_setup()
319 	mutex_lock(&smp2p->mutex);  in ipa_smp2p_irq_disable_setup()
321 	if (!smp2p->setup_disabled) {  in ipa_smp2p_irq_disable_setup()
322 		disable_irq(smp2p->setup_ready_irq);  in ipa_smp2p_irq_disable_setup()
323 		smp2p->setup_disabled = true;  in ipa_smp2p_irq_disable_setup()
326 	mutex_unlock(&smp2p->mutex);  in ipa_smp2p_irq_disable_setup()
332 	struct ipa_smp2p *smp2p = ipa->smp2p;  in ipa_smp2p_notify_reset()  local
335 	if (!smp2p->notified)  in ipa_smp2p_notify_reset()
341 	mask = BIT(smp2p->valid_bit);  in ipa_smp2p_notify_reset()
342 	qcom_smem_state_update_bits(smp2p->valid_state, mask, 0);  in ipa_smp2p_notify_reset()
345 	mask = BIT(smp2p->enabled_bit);  in ipa_smp2p_notify_reset()
346 	qcom_smem_state_update_bits(smp2p->enabled_state, mask, 0);  in ipa_smp2p_notify_reset()
348 	smp2p->notified = false;  in ipa_smp2p_notify_reset()