drivers/irqchip/irq-ti-sci-inta.c

118 static u16 ti_sci_inta_get_dev_id(struct ti_sci_inta_irq_domain *inta, u32 hwirq)
123 	if (inta->unmapped_cnt == 0)
131 	for (i = 0; i < inta->unmapped_cnt; i++) {
132 		if (dev_id == inta->unmapped_dev_ids[i]) {
133 			dev_id = inta->ti_sci_id;
148 	struct ti_sci_inta_irq_domain *inta;
155 	inta = domain->host_data;
159 	val = readq_relaxed(inta->base + vint_desc->vint_id * 0x1000 +
170  * @inta:	IRQ domain corresponding to Interrupt Aggregator
175 static int ti_sci_inta_xlate_irq(struct ti_sci_inta_irq_domain *inta,
178 	struct device_node *np = dev_of_node(&inta->pdev->dev);
207 	struct ti_sci_inta_irq_domain *inta = domain->host_data;
215 	vint_id = ti_sci_get_free_resource(inta->vint);
219 	p_hwirq = ti_sci_inta_xlate_irq(inta, vint_id);
235 	parent_node = of_irq_find_parent(dev_of_node(&inta->pdev->dev));
252 		dev_err(&inta->pdev->dev, "Parent IRQ allocation failed\n");
259 	list_add_tail(&vint_desc->list, &inta->vint_list);
267 	ti_sci_release_resource(inta->vint, vint_id);
283 	struct ti_sci_inta_irq_domain *inta = vint_desc->domain->host_data;
288 	dev_id = ti_sci_inta_get_dev_id(inta, hwirq);
294 	event_desc->global_event = ti_sci_get_free_resource(inta->global_event);
298 	err = inta->sci->ops.rm_irq_ops.set_event_map(inta->sci,
300 						      inta->ti_sci_id,
309 	ti_sci_release_resource(inta->global_event, event_desc->global_event);
327 	struct ti_sci_inta_irq_domain *inta = domain->host_data;
332 	mutex_lock(&inta->vint_mutex);
333 	list_for_each_entry(vint_desc, &inta->vint_list, list) {
359 	mutex_unlock(&inta->vint_mutex);
365  * @inta:	Pointer to inta domain.
368 static void ti_sci_inta_free_parent_irq(struct ti_sci_inta_irq_domain *inta,
373 		ti_sci_release_resource(inta->vint, vint_desc->vint_id);
388 	struct ti_sci_inta_irq_domain *inta;
392 	inta = vint_desc->domain->host_data;
393 	dev_id = ti_sci_inta_get_dev_id(inta, hwirq);
395 	mutex_lock(&inta->vint_mutex);
396 	inta->sci->ops.rm_irq_ops.free_event_map(inta->sci,
398 						 inta->ti_sci_id,
404 	ti_sci_release_resource(inta->global_event, event_desc->global_event);
408 	ti_sci_inta_free_parent_irq(inta, vint_desc);
409 	mutex_unlock(&inta->vint_mutex);
460 	struct ti_sci_inta_irq_domain *inta;
464 	inta = data->domain->host_data;
467 		       inta->base + vint_desc->vint_id * 0x1000 + offset);
612 static int ti_sci_inta_get_unmapped_sources(struct ti_sci_inta_irq_domain *inta)
614 	struct device *dev = &inta->pdev->dev;
623 	inta->unmapped_dev_ids = devm_kcalloc(dev, count,
624 					      sizeof(*inta->unmapped_dev_ids),
626 	if (!inta->unmapped_dev_ids)
639 		inta->unmapped_dev_ids[i++] = dev_id;
642 	inta->unmapped_cnt = count;
651 	struct ti_sci_inta_irq_domain *inta;
666 	inta = devm_kzalloc(dev, sizeof(*inta), GFP_KERNEL);
667 	if (!inta)
670 	inta->pdev = pdev;
671 	inta->sci = devm_ti_sci_get_by_phandle(dev, "ti,sci");
672 	if (IS_ERR(inta->sci))
673 		return dev_err_probe(dev, PTR_ERR(inta->sci),
676 	ret = of_property_read_u32(dev->of_node, "ti,sci-dev-id", &inta->ti_sci_id);
682 	inta->vint = devm_ti_sci_get_resource(inta->sci, dev, inta->ti_sci_id,
684 	if (IS_ERR(inta->vint)) {
686 		return PTR_ERR(inta->vint);
689 	inta->global_event = devm_ti_sci_get_resource(inta->sci, dev, inta->ti_sci_id,
691 	if (IS_ERR(inta->global_event)) {
693 		return PTR_ERR(inta->global_event);
696 	inta->base = devm_platform_ioremap_resource(pdev, 0);
697 	if (IS_ERR(inta->base))
698 		return PTR_ERR(inta->base);
700 	ret = ti_sci_inta_get_unmapped_sources(inta);
705 				       ti_sci_get_num_resources(inta->vint),
706 				       &ti_sci_inta_irq_domain_ops, inta);
721 	INIT_LIST_HEAD(&inta->vint_list);
722 	mutex_init(&inta->vint_mutex);
724 	dev_info(dev, "Interrupt Aggregator domain %d created\n", inta->ti_sci_id);
730 	{ .compatible = "ti,sci-inta", },
738 		.name = "ti-sci-inta",