122 	struct pruss_intc *intc;  member
126 static inline u32 pruss_intc_read_reg(struct pruss_intc *intc, unsigned int reg)  in pruss_intc_read_reg()  argument
128 	return readl_relaxed(intc->base + reg);  in pruss_intc_read_reg()
131 static inline void pruss_intc_write_reg(struct pruss_intc *intc,  in pruss_intc_write_reg()  argument
134 	writel_relaxed(val, intc->base + reg);  in pruss_intc_write_reg()
137 static void pruss_intc_update_cmr(struct pruss_intc *intc, unsigned int evt,  in pruss_intc_update_cmr()  argument
145 	val = pruss_intc_read_reg(intc, PRU_INTC_CMR(idx));  in pruss_intc_update_cmr()
148 	pruss_intc_write_reg(intc, PRU_INTC_CMR(idx), val);  in pruss_intc_update_cmr()
150 	dev_dbg(intc->dev, "SYSEV%u -> CH%d (CMR%d 0x%08x)\n", evt, ch,  in pruss_intc_update_cmr()
151 		idx, pruss_intc_read_reg(intc, PRU_INTC_CMR(idx)));  in pruss_intc_update_cmr()
154 static void pruss_intc_update_hmr(struct pruss_intc *intc, u8 ch, u8 host)  in pruss_intc_update_hmr()  argument
161 	val = pruss_intc_read_reg(intc, PRU_INTC_HMR(idx));  in pruss_intc_update_hmr()
164 	pruss_intc_write_reg(intc, PRU_INTC_HMR(idx), val);  in pruss_intc_update_hmr()
166 	dev_dbg(intc->dev, "CH%d -> HOST%d (HMR%d 0x%08x)\n", ch, host, idx,  in pruss_intc_update_hmr()
167 		pruss_intc_read_reg(intc, PRU_INTC_HMR(idx)));  in pruss_intc_update_hmr()
178 static void pruss_intc_map(struct pruss_intc *intc, unsigned long hwirq)  in pruss_intc_map()  argument
180 	struct device *dev = intc->dev;  in pruss_intc_map()
184 	mutex_lock(&intc->lock);  in pruss_intc_map()
186 	intc->event_channel[hwirq].ref_count++;  in pruss_intc_map()
188 	ch = intc->event_channel[hwirq].value;  in pruss_intc_map()
189 	host = intc->channel_host[ch].value;  in pruss_intc_map()
191 	pruss_intc_update_cmr(intc, hwirq, ch);  in pruss_intc_map()
197 	pruss_intc_write_reg(intc, PRU_INTC_ESR(reg_idx), val);  in pruss_intc_map()
198 	pruss_intc_write_reg(intc, PRU_INTC_SECR(reg_idx), val);  in pruss_intc_map()
200 	if (++intc->channel_host[ch].ref_count == 1) {  in pruss_intc_map()
201 		pruss_intc_update_hmr(intc, ch, host);  in pruss_intc_map()
204 		pruss_intc_write_reg(intc, PRU_INTC_HIEISR, host);  in pruss_intc_map()
210 	mutex_unlock(&intc->lock);  in pruss_intc_map()
222 static void pruss_intc_unmap(struct pruss_intc *intc, unsigned long hwirq)  in pruss_intc_unmap()  argument
227 	mutex_lock(&intc->lock);  in pruss_intc_unmap()
229 	ch = intc->event_channel[hwirq].value;  in pruss_intc_unmap()
230 	host = intc->channel_host[ch].value;  in pruss_intc_unmap()
232 	if (--intc->channel_host[ch].ref_count == 0) {  in pruss_intc_unmap()
234 		pruss_intc_write_reg(intc, PRU_INTC_HIDISR, host);  in pruss_intc_unmap()
237 		pruss_intc_update_hmr(intc, ch, 0);  in pruss_intc_unmap()
240 	intc->event_channel[hwirq].ref_count--;  in pruss_intc_unmap()
245 	pruss_intc_write_reg(intc, PRU_INTC_ECR(reg_idx), val);  in pruss_intc_unmap()
247 	pruss_intc_write_reg(intc, PRU_INTC_SECR(reg_idx), val);  in pruss_intc_unmap()
250 	pruss_intc_update_cmr(intc, hwirq, 0);  in pruss_intc_unmap()
252 	dev_dbg(intc->dev, "unmapped system_event = %lu channel = %d host = %d\n",  in pruss_intc_unmap()
255 	mutex_unlock(&intc->lock);  in pruss_intc_unmap()
258 static void pruss_intc_init(struct pruss_intc *intc)  in pruss_intc_init()  argument
260 	const struct pruss_intc_match_data *soc_config = intc->soc_config;  in pruss_intc_init()
274 		pruss_intc_write_reg(intc, PRU_INTC_SIPR(i), 0xffffffff);  in pruss_intc_init()
275 		pruss_intc_write_reg(intc, PRU_INTC_SITR(i), 0);  in pruss_intc_init()
280 		pruss_intc_write_reg(intc, PRU_INTC_CMR(i), 0);  in pruss_intc_init()
284 		pruss_intc_write_reg(intc, PRU_INTC_HMR(i), 0);  in pruss_intc_init()
287 	pruss_intc_write_reg(intc, PRU_INTC_GER, 1);  in pruss_intc_init()
292 	struct pruss_intc *intc = irq_data_get_irq_chip_data(data);  in pruss_intc_irq_ack()  local
295 	pruss_intc_write_reg(intc, PRU_INTC_SICR, hwirq);  in pruss_intc_irq_ack()
300 	struct pruss_intc *intc = irq_data_get_irq_chip_data(data);  in pruss_intc_irq_mask()  local
303 	pruss_intc_write_reg(intc, PRU_INTC_EICR, hwirq);  in pruss_intc_irq_mask()
308 	struct pruss_intc *intc = irq_data_get_irq_chip_data(data);  in pruss_intc_irq_unmask()  local
311 	pruss_intc_write_reg(intc, PRU_INTC_EISR, hwirq);  in pruss_intc_irq_unmask()
331 	struct pruss_intc *intc = irq_data_get_irq_chip_data(data);  in pruss_intc_irq_get_irqchip_state()  local
340 	srsr = pruss_intc_read_reg(intc, reg);  in pruss_intc_irq_get_irqchip_state()
351 	struct pruss_intc *intc = irq_data_get_irq_chip_data(data);  in pruss_intc_irq_set_irqchip_state()  local
357 		pruss_intc_write_reg(intc, PRU_INTC_SISR, data->hwirq);  in pruss_intc_irq_set_irqchip_state()
359 		pruss_intc_write_reg(intc, PRU_INTC_SICR, data->hwirq);  in pruss_intc_irq_set_irqchip_state()
375 static int pruss_intc_validate_mapping(struct pruss_intc *intc, int event,  in pruss_intc_validate_mapping()  argument
378 	struct device *dev = intc->dev;  in pruss_intc_validate_mapping()
381 	mutex_lock(&intc->lock);  in pruss_intc_validate_mapping()
384 	if (intc->event_channel[event].ref_count > 0 &&  in pruss_intc_validate_mapping()
385 	    intc->event_channel[event].value != channel) {  in pruss_intc_validate_mapping()
387 			event, channel, intc->event_channel[event].value);  in pruss_intc_validate_mapping()
393 	if (intc->channel_host[channel].ref_count > 0 &&  in pruss_intc_validate_mapping()
394 	    intc->channel_host[channel].value != host) {  in pruss_intc_validate_mapping()
396 			channel, host, intc->channel_host[channel].value);  in pruss_intc_validate_mapping()
401 	intc->event_channel[event].value = channel;  in pruss_intc_validate_mapping()
402 	intc->channel_host[channel].value = host;  in pruss_intc_validate_mapping()
405 	mutex_unlock(&intc->lock);  in pruss_intc_validate_mapping()
414 	struct pruss_intc *intc = d->host_data;  in pruss_intc_irq_domain_xlate()  local
415 	struct device *dev = intc->dev;  in pruss_intc_irq_domain_xlate()
422 	if (sys_event < 0 || sys_event >= intc->soc_config->num_system_events) {  in pruss_intc_irq_domain_xlate()
428 	if (channel < 0 || channel >= intc->soc_config->num_host_events) {  in pruss_intc_irq_domain_xlate()
434 	if (host < 0 || host >= intc->soc_config->num_host_events) {  in pruss_intc_irq_domain_xlate()
440 	ret = pruss_intc_validate_mapping(intc, sys_event, channel, host);  in pruss_intc_irq_domain_xlate()
453 	struct pruss_intc *intc = d->host_data;  in pruss_intc_irq_domain_map()  local
455 	pruss_intc_map(intc, hw);  in pruss_intc_irq_domain_map()
457 	irq_set_chip_data(virq, intc);  in pruss_intc_irq_domain_map()
465 	struct pruss_intc *intc = d->host_data;  in pruss_intc_irq_domain_unmap()  local
470 	pruss_intc_unmap(intc, hwirq);  in pruss_intc_irq_domain_unmap()
484 	struct pruss_intc *intc = host_irq_data->intc;  in pruss_intc_irq_handler()  local
494 		hipir = pruss_intc_read_reg(intc, PRU_INTC_HIPIR(host_irq));  in pruss_intc_irq_handler()
499 		err = generic_handle_domain_irq(intc->domain, hwirq);  in pruss_intc_irq_handler()
506 			pruss_intc_write_reg(intc, PRU_INTC_SICR, hwirq);  in pruss_intc_irq_handler()
521 	struct pruss_intc *intc;  in pruss_intc_probe()  local
532 	intc = devm_kzalloc(dev, sizeof(*intc), GFP_KERNEL);  in pruss_intc_probe()
533 	if (!intc)  in pruss_intc_probe()
536 	intc->soc_config = data;  in pruss_intc_probe()
537 	intc->dev = dev;  in pruss_intc_probe()
538 	platform_set_drvdata(pdev, intc);  in pruss_intc_probe()
540 	intc->base = devm_platform_ioremap_resource(pdev, 0);  in pruss_intc_probe()
541 	if (IS_ERR(intc->base))  in pruss_intc_probe()
542 		return PTR_ERR(intc->base);  in pruss_intc_probe()
554 	pruss_intc_init(intc);  in pruss_intc_probe()
556 	mutex_init(&intc->lock);  in pruss_intc_probe()
558 	intc->domain = irq_domain_add_linear(dev->of_node, max_system_events,  in pruss_intc_probe()
559 					     &pruss_intc_irq_domain_ops, intc);  in pruss_intc_probe()
560 	if (!intc->domain)  in pruss_intc_probe()
573 		intc->irqs[i] = irq;  in pruss_intc_probe()
581 		host_data->intc = intc;  in pruss_intc_probe()
592 		if (intc->irqs[i])  in pruss_intc_probe()
593 			irq_set_chained_handler_and_data(intc->irqs[i], NULL,  in pruss_intc_probe()
597 	irq_domain_remove(intc->domain);  in pruss_intc_probe()
604 	struct pruss_intc *intc = platform_get_drvdata(pdev);  in pruss_intc_remove()  local
605 	u8 max_system_events = intc->soc_config->num_system_events;  in pruss_intc_remove()
610 		if (intc->irqs[i])  in pruss_intc_remove()
611 			irq_set_chained_handler_and_data(intc->irqs[i], NULL,  in pruss_intc_remove()
616 		irq_dispose_mapping(irq_find_mapping(intc->domain, hwirq));  in pruss_intc_remove()
618 	irq_domain_remove(intc->domain);  in pruss_intc_remove()