summaryrefslogtreecommitdiffstats
path: root/include/asm-arm/fiq.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/fiq.h')
-rw-r--r--include/asm-arm/fiq.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/include/asm-arm/fiq.h b/include/asm-arm/fiq.h
new file mode 100644
index 000000000000..a3bad09e825c
--- /dev/null
+++ b/include/asm-arm/fiq.h
@@ -0,0 +1,37 @@
+/*
+ * linux/include/asm-arm/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
OpenPOWER on IntegriCloud