16 /* FIC Registers */
44 static void al_fic_set_trigger(struct al_fic *fic,  in al_fic_set_trigger()  argument
49 	u32 control = readl_relaxed(fic->base + AL_FIC_CONTROL);  in al_fic_set_trigger()
59 	fic->state = new_state;  in al_fic_set_trigger()
60 	writel_relaxed(control, fic->base + AL_FIC_CONTROL);  in al_fic_set_trigger()
66 	struct al_fic *fic = gc->private;  in al_fic_irq_set_type()  local
74 		pr_debug("fic doesn't support flow type %d\n", flow_type);  in al_fic_irq_set_type()
83 	 * A given FIC instance can be either all level or all edge triggered.  in al_fic_irq_set_type()
91 	if (fic->state == AL_FIC_UNCONFIGURED) {  in al_fic_irq_set_type()
92 		al_fic_set_trigger(fic, gc, new_state);  in al_fic_irq_set_type()
93 	} else if (fic->state != new_state) {  in al_fic_irq_set_type()
94 		pr_debug("fic %s state already configured to %d\n",  in al_fic_irq_set_type()
95 			 fic->name, fic->state);  in al_fic_irq_set_type()
108 	struct al_fic *fic = irq_desc_get_handler_data(desc);  in al_fic_irq_handler()  local
109 	struct irq_domain *domain = fic->domain;  in al_fic_irq_handler()
117 	pending = readl_relaxed(fic->base + AL_FIC_CAUSE);  in al_fic_irq_handler()
129 	struct al_fic *fic = gc->private;  in al_fic_irq_retrigger()  local
131 	writel_relaxed(BIT(data->hwirq), fic->base + AL_FIC_SET_CAUSE);  in al_fic_irq_retrigger()
137 			   struct al_fic *fic)  in al_fic_register()  argument
142 	fic->domain = irq_domain_add_linear(node,  in al_fic_register()
145 					    fic);  in al_fic_register()
146 	if (!fic->domain) {  in al_fic_register()
151 	ret = irq_alloc_domain_generic_chips(fic->domain,  in al_fic_register()
153 					     1, fic->name,  in al_fic_register()
161 	gc = irq_get_domain_generic_chip(fic->domain, 0);  in al_fic_register()
162 	gc->reg_base = fic->base;  in al_fic_register()
171 	gc->private = fic;  in al_fic_register()
173 	irq_set_chained_handler_and_data(fic->parent_irq,  in al_fic_register()
175 					 fic);  in al_fic_register()
179 	irq_domain_remove(fic->domain);  in al_fic_register()
185  * al_fic_wire_init() - initialize and configure fic in wire mode
187  * @base: mmio to fic register
188  * @name: name of the fic
191  * This API will configure the fic hardware to to work in wire mode.
192  * In wire mode, fic hardware is generating a wire ("wired") interrupt.
194  * to be determined based on connected hardware to this fic.
201 	struct al_fic *fic;  in al_fic_wire_init()  local
205 	fic = kzalloc(sizeof(*fic), GFP_KERNEL);  in al_fic_wire_init()
206 	if (!fic)  in al_fic_wire_init()
209 	fic->base = base;  in al_fic_wire_init()
210 	fic->parent_irq = parent_irq;  in al_fic_wire_init()
211 	fic->name = name;  in al_fic_wire_init()
214 	writel_relaxed(0xFFFFFFFF, fic->base + AL_FIC_MASK);  in al_fic_wire_init()
217 	writel_relaxed(0, fic->base + AL_FIC_CAUSE);  in al_fic_wire_init()
219 	writel_relaxed(control, fic->base + AL_FIC_CONTROL);  in al_fic_wire_init()
221 	ret = al_fic_register(node, fic);  in al_fic_wire_init()
228 		 fic->name, parent_irq);  in al_fic_wire_init()
230 	return fic;  in al_fic_wire_init()
233 	kfree(fic);  in al_fic_wire_init()
243 	struct al_fic *fic;  in al_fic_init_dt()  local
264 	fic = al_fic_wire_init(node,  in al_fic_init_dt()
268 	if (IS_ERR(fic)) {  in al_fic_init_dt()
271 		       PTR_ERR(fic));  in al_fic_init_dt()
272 		ret = PTR_ERR(fic);  in al_fic_init_dt()
286 IRQCHIP_DECLARE(al_fic, "amazon,al-fic", al_fic_init_dt);