1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/staging/dt3155/dt3155_isr.h b/drivers/staging/dt3155/dt3155_isr.h
new file mode 100644
index 00000000000..7595cb16c98
--- /dev/null
+++ b/drivers/staging/dt3155/dt3155_isr.h
@@ -0,0 +1,77 @@
+/*
+
+Copyright 1996,2002 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
+		    Jason Lapenta, Scott Smedley
+
+This file is part of the DT3155 Device Driver.
+
+The DT3155 Device Driver is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The DT3155 Device Driver is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the DT3155 Device Driver; if not, write to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+MA 02111-1307 USA
+
+
+-- Changes --
+
+  Date     Programmer   Description of changes made
+  -------------------------------------------------------------------
+  03-Jul-2000 JML       n/a
+  24-Jul-2002 SS        GPL licence.
+  26-Oct-2009 SS	Porting to 2.6.30 kernel.
+
+-- notes --
+
+*/
+
+#ifndef DT3155_ISR_H
+#define DT3155_ISR_H
+
+extern struct dt3155_fbuffer_s *dt3155_fbuffer[MAXBOARDS];
+
+/* User functions for buffering */
+/* Initialize the buffering system.  This should */
+/* be called prior to enabling interrupts */
+
+u32 dt3155_setup_buffers(u32 *allocatorAddr);
+
+/* Get the next frame of data if it is ready.  Returns */
+/* zero if no data is ready.  If there is data but */
+/* the user has a locked buffer, it will unlock that */
+/* buffer and return it to the free list. */
+
+int dt3155_get_ready_buffer(int minor);
+
+/* Return a locked buffer to the free list */
+
+void dt3155_release_locked_buffer(int minor);
+
+/* Flush the buffer system */
+int dt3155_flush(int minor);
+
+/**********************************
+ * Simple array based que struct
+ **********************************/
+
+bool are_empty_buffers(int minor);
+void push_empty(int index, int minor);
+
+int  pop_empty(int minor);
+
+bool is_ready_buf_empty(int minor);
+bool is_ready_buf_full(int minor);
+
+void push_ready(int minor, int index);
+int  pop_ready(int minor);
+
+
+#endif