2  * linux/arch/arm/mach-omap2/irq.c
26 #include <linux/irqchip/irq-omap-intc.h>
59 	u32 protection;  member
67 static struct irq_domain *domain;  variable
88 	intc_context.protection =  in omap_intc_save_context()
108 	intc_writel(INTC_PROTECTION, intc_context.protection);  in omap_intc_restore_context()
134 	/* Re-enable autoidle */  in omap3_intc_resume_idle()
205 		gc->reg_base = base;  in omap_alloc_gc_of()
206 		ct = gc->chip_types;  in omap_alloc_gc_of()
208 		ct->type = IRQ_TYPE_LEVEL_MASK;  in omap_alloc_gc_of()
210 		ct->chip.irq_ack = omap_mask_ack_irq;  in omap_alloc_gc_of()
211 		ct->chip.irq_mask = irq_gc_mask_disable_reg;  in omap_alloc_gc_of()
212 		ct->chip.irq_unmask = irq_gc_unmask_enable_reg;  in omap_alloc_gc_of()
214 		ct->chip.flags |= IRQCHIP_SKIP_SET_WAKE;  in omap_alloc_gc_of()
216 		ct->regs.enable = INTC_MIR_CLEAR0 + 32 * i;  in omap_alloc_gc_of()
217 		ct->regs.disable = INTC_MIR_SET0 + 32 * i;  in omap_alloc_gc_of()
231 	ct = gc->chip_types;  in omap_alloc_gc_legacy()
232 	ct->chip.irq_ack = omap_mask_ack_irq;  in omap_alloc_gc_legacy()
233 	ct->chip.irq_mask = irq_gc_mask_disable_reg;  in omap_alloc_gc_legacy()
234 	ct->chip.irq_unmask = irq_gc_unmask_enable_reg;  in omap_alloc_gc_legacy()
235 	ct->chip.flags |= IRQCHIP_SKIP_SET_WAKE;  in omap_alloc_gc_legacy()
237 	ct->regs.enable = INTC_MIR_CLEAR0;  in omap_alloc_gc_legacy()
238 	ct->regs.disable = INTC_MIR_SET0;  in omap_alloc_gc_legacy()
249 		return -ENOMEM;  in omap_init_irq_of()
251 	domain = irq_domain_add_linear(node, omap_nr_irqs,  in omap_init_irq_of()
256 	ret = omap_alloc_gc_of(domain, omap_irq_base);  in omap_init_irq_of()
258 		irq_domain_remove(domain);  in omap_init_irq_of()
269 		return -ENOMEM;  in omap_init_irq_legacy()
271 	irq_base = irq_alloc_descs(-1, 0, omap_nr_irqs, 0);  in omap_init_irq_legacy()
277 	domain = irq_domain_add_legacy(node, omap_nr_irqs, irq_base, 0,  in omap_init_irq_legacy()
302 	 * FIXME legacy OMAP DMA driver sitting under arch/arm/plat-omap/dma.c  in omap_init_irq()
305 	 * linear IRQ Domain until that driver is finally fixed.  in omap_init_irq()
307 	if (of_device_is_compatible(node, "ti,omap2-intc") ||  in omap_init_irq()
308 			of_device_is_compatible(node, "ti,omap3-intc")) {  in omap_init_irq()
312 			return -ENOMEM;  in omap_init_irq()
359 	generic_handle_domain_irq(domain, irqnr);  in omap_intc_handle_irq()
371 		return -ENODEV;  in intc_of_init()
373 	if (of_device_is_compatible(node, "ti,dm814-intc") ||  in intc_of_init()
374 	    of_device_is_compatible(node, "ti,dm816-intc") ||  in intc_of_init()
375 	    of_device_is_compatible(node, "ti,am33xx-intc")) {  in intc_of_init()
380 	ret = omap_init_irq(-1, of_node_get(node));  in intc_of_init()
389 IRQCHIP_DECLARE(omap2_intc, "ti,omap2-intc", intc_of_init);
390 IRQCHIP_DECLARE(omap3_intc, "ti,omap3-intc", intc_of_init);
391 IRQCHIP_DECLARE(dm814x_intc, "ti,dm814-intc", intc_of_init);
392 IRQCHIP_DECLARE(dm816x_intc, "ti,dm816-intc", intc_of_init);
393 IRQCHIP_DECLARE(am33xx_intc, "ti,am33xx-intc", intc_of_init);