Lines Matching refs:smp2p
77 * @smp2p: SMP2P information
85 static void ipa_smp2p_notify(struct ipa_smp2p *smp2p)
91 if (smp2p->notified)
94 dev = &smp2p->ipa->pdev->dev;
95 smp2p->power_on = pm_runtime_get_if_active(dev, true) > 0;
98 mask = BIT(smp2p->enabled_bit);
99 value = smp2p->power_on ? mask : 0;
100 qcom_smem_state_update_bits(smp2p->enabled_state, mask, value);
103 mask = BIT(smp2p->valid_bit);
105 qcom_smem_state_update_bits(smp2p->valid_state, mask, value);
107 smp2p->notified = true;
113 struct ipa_smp2p *smp2p = dev_id;
115 ipa_smp2p_notify(smp2p);
123 struct ipa_smp2p *smp2p;
125 smp2p = container_of(nb, struct ipa_smp2p, panic_notifier);
127 ipa_smp2p_notify(smp2p);
129 if (smp2p->power_on)
130 ipa_uc_panic_notifier(smp2p->ipa);
135 static int ipa_smp2p_panic_notifier_register(struct ipa_smp2p *smp2p)
138 smp2p->panic_notifier.notifier_call = ipa_smp2p_panic_notifier;
139 smp2p->panic_notifier.priority = INT_MAX; /* Do it early */
142 &smp2p->panic_notifier);
145 static void ipa_smp2p_panic_notifier_unregister(struct ipa_smp2p *smp2p)
148 &smp2p->panic_notifier);
154 struct ipa_smp2p *smp2p = dev_id;
159 if (smp2p->ipa->setup_complete)
163 dev = &smp2p->ipa->pdev->dev;
171 ret = ipa_setup(smp2p->ipa);
182 static int ipa_smp2p_irq_init(struct ipa_smp2p *smp2p, const char *name,
185 struct device *dev = &smp2p->ipa->pdev->dev;
189 ret = platform_get_irq_byname(smp2p->ipa->pdev, name);
194 ret = request_threaded_irq(irq, NULL, handler, 0, name, smp2p);
203 static void ipa_smp2p_irq_exit(struct ipa_smp2p *smp2p, u32 irq)
205 free_irq(irq, smp2p);
213 if (!ipa->smp2p->power_on)
218 ipa->smp2p->power_on = false;
227 struct ipa_smp2p *smp2p;
246 smp2p = kzalloc(sizeof(*smp2p), GFP_KERNEL);
247 if (!smp2p)
250 smp2p->ipa = ipa;
255 mutex_init(&smp2p->mutex);
256 smp2p->valid_state = valid_state;
257 smp2p->valid_bit = valid_bit;
258 smp2p->enabled_state = enabled_state;
259 smp2p->enabled_bit = enabled_bit;
262 ipa->smp2p = smp2p;
264 ret = ipa_smp2p_irq_init(smp2p, "ipa-clock-query",
268 smp2p->clock_query_irq = ret;
270 ret = ipa_smp2p_panic_notifier_register(smp2p);
276 ret = ipa_smp2p_irq_init(smp2p, "ipa-setup-ready",
280 smp2p->setup_ready_irq = ret;
286 ipa_smp2p_panic_notifier_unregister(smp2p);
288 ipa_smp2p_irq_exit(smp2p, smp2p->clock_query_irq);
290 ipa->smp2p = NULL;
291 mutex_destroy(&smp2p->mutex);
292 kfree(smp2p);
299 struct ipa_smp2p *smp2p = ipa->smp2p;
301 if (smp2p->setup_ready_irq)
302 ipa_smp2p_irq_exit(smp2p, smp2p->setup_ready_irq);
303 ipa_smp2p_panic_notifier_unregister(smp2p);
304 ipa_smp2p_irq_exit(smp2p, smp2p->clock_query_irq);
307 ipa->smp2p = NULL;
308 mutex_destroy(&smp2p->mutex);
309 kfree(smp2p);
314 struct ipa_smp2p *smp2p = ipa->smp2p;
316 if (!smp2p->setup_ready_irq)
319 mutex_lock(&smp2p->mutex);
321 if (!smp2p->setup_disabled) {
322 disable_irq(smp2p->setup_ready_irq);
323 smp2p->setup_disabled = true;
326 mutex_unlock(&smp2p->mutex);
332 struct ipa_smp2p *smp2p = ipa->smp2p;
335 if (!smp2p->notified)
341 mask = BIT(smp2p->valid_bit);
342 qcom_smem_state_update_bits(smp2p->valid_state, mask, 0);
345 mask = BIT(smp2p->enabled_bit);
346 qcom_smem_state_update_bits(smp2p->enabled_state, mask, 0);
348 smp2p->notified = false;