Lines Matching refs:smp2p
76 * @smp2p: SMP2P information
84 static void ipa_smp2p_notify(struct ipa_smp2p *smp2p)
89 if (smp2p->notified)
92 smp2p->clock_on = ipa_clock_get_additional(smp2p->ipa);
95 mask = BIT(smp2p->enabled_bit);
96 value = smp2p->clock_on ? mask : 0;
97 qcom_smem_state_update_bits(smp2p->enabled_state, mask, value);
100 mask = BIT(smp2p->valid_bit);
102 qcom_smem_state_update_bits(smp2p->valid_state, mask, value);
104 smp2p->notified = true;
110 struct ipa_smp2p *smp2p = dev_id;
112 ipa_smp2p_notify(smp2p);
120 struct ipa_smp2p *smp2p;
122 smp2p = container_of(nb, struct ipa_smp2p, panic_notifier);
124 ipa_smp2p_notify(smp2p);
126 if (smp2p->clock_on)
127 ipa_uc_panic_notifier(smp2p->ipa);
132 static int ipa_smp2p_panic_notifier_register(struct ipa_smp2p *smp2p)
135 smp2p->panic_notifier.notifier_call = ipa_smp2p_panic_notifier;
136 smp2p->panic_notifier.priority = INT_MAX; /* Do it early */
139 &smp2p->panic_notifier);
142 static void ipa_smp2p_panic_notifier_unregister(struct ipa_smp2p *smp2p)
145 &smp2p->panic_notifier);
151 struct ipa_smp2p *smp2p = dev_id;
153 mutex_lock(&smp2p->mutex);
155 if (!smp2p->disabled) {
158 ret = ipa_setup(smp2p->ipa);
160 dev_err(&smp2p->ipa->pdev->dev,
162 smp2p->disabled = true;
165 mutex_unlock(&smp2p->mutex);
171 static int ipa_smp2p_irq_init(struct ipa_smp2p *smp2p, const char *name,
174 struct device *dev = &smp2p->ipa->pdev->dev;
178 ret = platform_get_irq_byname(smp2p->ipa->pdev, name);
186 ret = request_threaded_irq(irq, NULL, handler, 0, name, smp2p);
195 static void ipa_smp2p_irq_exit(struct ipa_smp2p *smp2p, u32 irq)
197 free_irq(irq, smp2p);
203 if (!ipa->smp2p->clock_on)
207 ipa->smp2p->clock_on = false;
216 struct ipa_smp2p *smp2p;
235 smp2p = kzalloc(sizeof(*smp2p), GFP_KERNEL);
236 if (!smp2p)
239 smp2p->ipa = ipa;
244 mutex_init(&smp2p->mutex);
245 smp2p->valid_state = valid_state;
246 smp2p->valid_bit = valid_bit;
247 smp2p->enabled_state = enabled_state;
248 smp2p->enabled_bit = enabled_bit;
251 ipa->smp2p = smp2p;
253 ret = ipa_smp2p_irq_init(smp2p, "ipa-clock-query",
257 smp2p->clock_query_irq = ret;
259 ret = ipa_smp2p_panic_notifier_register(smp2p);
265 ret = ipa_smp2p_irq_init(smp2p, "ipa-setup-ready",
269 smp2p->setup_ready_irq = ret;
275 ipa_smp2p_panic_notifier_unregister(smp2p);
277 ipa_smp2p_irq_exit(smp2p, smp2p->clock_query_irq);
279 ipa->smp2p = NULL;
280 mutex_destroy(&smp2p->mutex);
281 kfree(smp2p);
288 struct ipa_smp2p *smp2p = ipa->smp2p;
290 if (smp2p->setup_ready_irq)
291 ipa_smp2p_irq_exit(smp2p, smp2p->setup_ready_irq);
292 ipa_smp2p_panic_notifier_unregister(smp2p);
293 ipa_smp2p_irq_exit(smp2p, smp2p->clock_query_irq);
296 ipa->smp2p = NULL;
297 mutex_destroy(&smp2p->mutex);
298 kfree(smp2p);
303 struct ipa_smp2p *smp2p = ipa->smp2p;
305 if (!smp2p->setup_ready_irq)
308 mutex_lock(&smp2p->mutex);
310 smp2p->disabled = true;
312 mutex_unlock(&smp2p->mutex);
318 struct ipa_smp2p *smp2p = ipa->smp2p;
321 if (!smp2p->notified)
327 mask = BIT(smp2p->valid_bit);
328 qcom_smem_state_update_bits(smp2p->valid_state, mask, 0);
331 mask = BIT(smp2p->enabled_bit);
332 qcom_smem_state_update_bits(smp2p->enabled_state, mask, 0);
334 smp2p->notified = false;