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-rw-r--r--include/linux/irqdomain.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 0d5b17bf5e5..ba2c708adcf 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -66,6 +66,10 @@ struct irq_domain_ops {
unsigned long *out_hwirq, unsigned int *out_type);
};
+extern struct irq_domain_ops irq_generic_chip_ops;
+
+struct irq_domain_chip_generic;
+
/**
* struct irq_domain - Hardware interrupt number translation object
* @link: Element in global irq_domain list.
@@ -109,8 +113,16 @@ struct irq_domain {
/* Optional device node pointer */
struct device_node *of_node;
+ /* Optional pointer to generic interrupt chips */
+ struct irq_domain_chip_generic *gc;
};
+#define IRQ_DOMAIN_MAP_LEGACY 0 /* driver allocated fixed range of irqs.
+ * ie. legacy 8259, gets irqs 1..15 */
+#define IRQ_DOMAIN_MAP_NOMAP 1 /* no fast reverse mapping */
+#define IRQ_DOMAIN_MAP_LINEAR 2 /* linear map of interrupts */
+#define IRQ_DOMAIN_MAP_TREE 3 /* radix tree */
+
#ifdef CONFIG_IRQ_DOMAIN
struct irq_domain *irq_domain_add_simple(struct device_node *of_node,
unsigned int size,