1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/irq.h>
71 	return chip_data->base + chip_data->offsets[idx];  in mtk_cirq_reg()
83 	struct mtk_cirq_chip_data *chip_data = data->chip_data;  in mtk_cirq_write_mask()
84 	unsigned int cirq_num = data->hwirq;  in mtk_cirq_write_mask()
127 	data = data->parent_data;  in mtk_cirq_set_type()
128 	ret = data->chip->irq_set_type(data, type);  in mtk_cirq_set_type()
149 	if (is_of_node(fwspec->fwnode)) {  in mtk_cirq_domain_translate()
150 		if (fwspec->param_count != 3)  in mtk_cirq_domain_translate()
151 			return -EINVAL;  in mtk_cirq_domain_translate()
154 		if (fwspec->param[0] != 0)  in mtk_cirq_domain_translate()
155 			return -EINVAL;  in mtk_cirq_domain_translate()
157 		/* cirq support irq number check */  in mtk_cirq_domain_translate()
158 		if (fwspec->param[1] < cirq_data->ext_irq_start ||  in mtk_cirq_domain_translate()
159 		    fwspec->param[1] > cirq_data->ext_irq_end)  in mtk_cirq_domain_translate()
160 			return -EINVAL;  in mtk_cirq_domain_translate()
162 		*hwirq = fwspec->param[1] - cirq_data->ext_irq_start;  in mtk_cirq_domain_translate()
163 		*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;  in mtk_cirq_domain_translate()
167 	return -EINVAL;  in mtk_cirq_domain_translate()
184 		return -EINVAL;  in mtk_cirq_domain_alloc()
188 				      domain->host_data);  in mtk_cirq_domain_alloc()
190 	parent_fwspec.fwnode = domain->parent->fwnode;  in mtk_cirq_domain_alloc()
206 	unsigned int irq, hwirq_num;  in mtk_cirq_suspend()  local
221 	 * - Iterate over all the CIRQ supported interrupts;  in mtk_cirq_suspend()
222 	 * - For each interrupt, inspect its pending and masked status at GIC  in mtk_cirq_suspend()
224 	 * - If pending and unmasked, it happened between  in mtk_cirq_suspend()
228 	hwirq_num = cirq_data->ext_irq_end - cirq_data->ext_irq_start + 1;  in mtk_cirq_suspend()
230 		irq = irq_find_mapping(cirq_data->domain, i);  in mtk_cirq_suspend()
231 		if (irq) {  in mtk_cirq_suspend()
232 			pendret = irq_get_irqchip_state(irq,  in mtk_cirq_suspend()
236 			maskret = irq_get_irqchip_state(irq,  in mtk_cirq_suspend()
250 	/* set edge_only mode, record edge-triggerd interrupts */  in mtk_cirq_suspend()
289 	{ .compatible = "mediatek,mt2701-cirq", .data = &mtk_cirq_regoffs_v1 },
290 	{ .compatible = "mediatek,mt8135-cirq", .data = &mtk_cirq_regoffs_v1 },
291 	{ .compatible = "mediatek,mt8173-cirq", .data = &mtk_cirq_regoffs_v1 },
292 	{ .compatible = "mediatek,mt8192-cirq", .data = &mtk_cirq_regoffs_v2 },
306 		pr_err("mtk_cirq: interrupt-parent not found\n");  in mtk_cirq_of_init()
307 		return -EINVAL;  in mtk_cirq_of_init()
312 		return -ENOMEM;  in mtk_cirq_of_init()
314 	cirq_data->base = of_iomap(node, 0);  in mtk_cirq_of_init()
315 	if (!cirq_data->base) {  in mtk_cirq_of_init()
317 		ret = -ENXIO;  in mtk_cirq_of_init()
321 	ret = of_property_read_u32_index(node, "mediatek,ext-irq-range", 0,  in mtk_cirq_of_init()
322 					 &cirq_data->ext_irq_start);  in mtk_cirq_of_init()
326 	ret = of_property_read_u32_index(node, "mediatek,ext-irq-range", 1,  in mtk_cirq_of_init()
327 					 &cirq_data->ext_irq_end);  in mtk_cirq_of_init()
333 		ret = -ENODEV;  in mtk_cirq_of_init()
336 	cirq_data->offsets = match->data;  in mtk_cirq_of_init()
338 	irq_num = cirq_data->ext_irq_end - cirq_data->ext_irq_start + 1;  in mtk_cirq_of_init()
343 		ret = -ENOMEM;  in mtk_cirq_of_init()
346 	cirq_data->domain = domain;  in mtk_cirq_of_init()
353 	iounmap(cirq_data->base);  in mtk_cirq_of_init()
359 IRQCHIP_DECLARE(mtk_cirq, "mediatek,mtk-cirq", mtk_cirq_of_init);