1 files changed, 37 insertions, 0 deletions

diff --git a/arch/arm/include/asm/fiq.h b/arch/arm/include/asm/fiq.h
new file mode 100644
index 000000000000..2242ce22ec6c
--- /dev/null
+++ b/arch/arm/include/asm/fiq.h
@@ -0,0 +1,37 @@
+/*
+ *  arch/arm/include/asm/fiq.h
+ *
+ * Support for FIQ on ARM architectures.
+ * Written by Philip Blundell <philb@gnu.org>, 1998
+ * Re-written by Russell King
+ */
+
+#ifndef __ASM_FIQ_H
+#define __ASM_FIQ_H
+
+#include <asm/ptrace.h>
+
+struct fiq_handler {
+        struct fiq_handler *next;
+        /* Name
+         */
+        const char *name;
+        /* Called to ask driver to relinquish/
+         * reacquire FIQ
+         * return zero to accept, or -<errno>
+         */
+        int (*fiq_op)(void *, int relinquish);
+        /* data for the relinquish/reacquire functions
+         */
+        void *dev_id;
+};
+
+extern int claim_fiq(struct fiq_handler *f);
+extern void release_fiq(struct fiq_handler *f);
+extern void set_fiq_handler(void *start, unsigned int length);
+extern void set_fiq_regs(struct pt_regs *regs);
+extern void get_fiq_regs(struct pt_regs *regs);
+extern void enable_fiq(int fiq);
+extern void disable_fiq(int fiq);
+
+#endif