1 // SPDX-License-Identifier: GPL-2.0-only
23 /* register definitions - internal irqs */
32 /* register definitions - external irqs */
75 	return -1;  in ltq_eiu_get_irq()
80 	unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;  in ltq_disable_irq()  local
81 	unsigned long im = offset / INT_NUM_IM_OFFSET;  in ltq_disable_irq()
85 	offset %= INT_NUM_IM_OFFSET;  in ltq_disable_irq()
90 			    ltq_icu_r32(vpe, im, LTQ_ICU_IER) & ~BIT(offset),  in ltq_disable_irq()
98 	unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;  in ltq_mask_and_ack_irq()  local
99 	unsigned long im = offset / INT_NUM_IM_OFFSET;  in ltq_mask_and_ack_irq()
103 	offset %= INT_NUM_IM_OFFSET;  in ltq_mask_and_ack_irq()
108 			    ltq_icu_r32(vpe, im, LTQ_ICU_IER) & ~BIT(offset),  in ltq_mask_and_ack_irq()
110 		ltq_icu_w32(vpe, im, BIT(offset), LTQ_ICU_ISR);  in ltq_mask_and_ack_irq()
117 	unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;  in ltq_ack_irq()  local
118 	unsigned long im = offset / INT_NUM_IM_OFFSET;  in ltq_ack_irq()
122 	offset %= INT_NUM_IM_OFFSET;  in ltq_ack_irq()
126 		ltq_icu_w32(vpe, im, BIT(offset), LTQ_ICU_ISR);  in ltq_ack_irq()
133 	unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;  in ltq_enable_irq()  local
134 	unsigned long im = offset / INT_NUM_IM_OFFSET;  in ltq_enable_irq()
138 	offset %= INT_NUM_IM_OFFSET;  in ltq_enable_irq()
148 	ltq_icu_w32(vpe, im, ltq_icu_r32(vpe, im, LTQ_ICU_IER) | BIT(offset),  in ltq_enable_irq()
160 		if (d->hwirq == ltq_eiu_irq[i]) {  in ltq_eiu_settype()
162 			int edge = 0;  in ltq_eiu_settype()  local
169 				edge = 1;  in ltq_eiu_settype()
173 				edge = 1;  in ltq_eiu_settype()
177 				edge = 1;  in ltq_eiu_settype()
187 					type, d->hwirq);  in ltq_eiu_settype()
188 				return -EINVAL;  in ltq_eiu_settype()
191 			if (edge)  in ltq_eiu_settype()
192 				irq_set_handler(d->hwirq, handle_edge_irq);  in ltq_eiu_settype()
211 		if (d->hwirq == ltq_eiu_irq[i]) {  in ltq_startup_eiu_irq()
233 		if (d->hwirq == ltq_eiu_irq[i]) {  in ltq_shutdown_eiu_irq()
249 		return -EINVAL;  in ltq_icu_irq_set_affinity()
288 	unsigned int module = irq_desc_get_irq(desc) - 2;  in ltq_hw_irq_handler()
388 	eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu-xway");  in icu_of_init()
392 							 "lantiq,eiu-irqs");  in icu_of_init()
397 		ret = of_property_read_u32_array(eiu_node, "lantiq,eiu-irqs",  in icu_of_init()