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Diffstat (limited to 'include/linux/of_irq.h')
-rw-r--r--include/linux/of_irq.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index 0e37c05b7dd8..5929781c104d 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -4,6 +4,8 @@
#if defined(CONFIG_OF)
struct of_irq;
#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
#include <linux/of.h>
/*
@@ -30,11 +32,38 @@ struct of_irq {
u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
};
+/*
+ * Workarounds only applied to 32bit powermac machines
+ */
+#define OF_IMAP_OLDWORLD_MAC 0x00000001
+#define OF_IMAP_NO_PHANDLE 0x00000002
+
+#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
+extern unsigned int of_irq_workarounds;
+extern struct device_node *of_irq_dflt_pic;
+extern int of_irq_map_oldworld(struct device_node *device, int index,
+ struct of_irq *out_irq);
+#else /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
+#define of_irq_workarounds (0)
+#define of_irq_dflt_pic (NULL)
+static inline int of_irq_map_oldworld(struct device_node *device, int index,
+ struct of_irq *out_irq)
+{
+ return -EINVAL;
+}
+#endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
+
+
+extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
+ u32 ointsize, const u32 *addr,
+ struct of_irq *out_irq);
extern int of_irq_map_one(struct device_node *device, int index,
struct of_irq *out_irq);
extern unsigned int irq_create_of_mapping(struct device_node *controller,
const u32 *intspec,
unsigned int intsize);
+extern int of_irq_to_resource(struct device_node *dev, int index,
+ struct resource *r);
#endif /* CONFIG_OF_IRQ */
#endif /* CONFIG_OF */