Merge branch 'omap-pool'

[linux-2.6-omap-h63xx.git] / drivers / staging / line6 / dumprequest.h

diff --git a/drivers/staging/line6/dumprequest.h b/drivers/staging/line6/dumprequest.h
new file mode 100644 (file)
index 0000000..1975d54
--- /dev/null
+++ b/drivers/staging/line6/dumprequest.h
@@ -0,0 +1,90 @@
+/*
+ * Line6 Linux USB driver - 0.8.0
+ *
+ * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at)
+ *
+ *     This program 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, version 2.
+ *
+ */
+
+#ifndef DUMPREQUEST_H
+#define DUMPREQUEST_H
+
+
+#include <linux/usb.h>
+#include <linux/wait.h>
+
+#include <sound/core.h>
+
+
+enum {
+       LINE6_DUMP_NONE,
+       LINE6_DUMP_CURRENT
+};
+
+
+struct line6_dump_reqbuf {
+       /**
+                Buffer for dump requests.
+       */
+       unsigned char *buffer;
+
+       /**
+                Size of dump request.
+       */
+       size_t length;
+};
+
+/**
+        Provides the functionality to request channel/model/... dump data from a
+        Line6 device.
+*/
+struct line6_dump_request {
+       /**
+                Wait queue for access to program dump data.
+       */
+       wait_queue_head_t wait;
+
+       /**
+                Indicates an unfinished program dump request.
+                0: no dump
+                1: dump current settings
+                Other device-specific values are also allowed.
+       */
+       int in_progress;
+
+       /**
+                Timer for delayed dump request.
+       */
+       struct timer_list timer;
+
+       /**
+                Flag if initial dump request has been successful.
+       */
+       char ok;
+
+       /**
+                Dump request buffers
+       */
+       struct line6_dump_reqbuf reqbufs[1];
+};
+
+extern void line6_dump_finished(struct line6_dump_request *l6dr);
+extern int line6_dump_request_async(struct line6_dump_request *l6dr,
+                                   struct usb_line6 *line6, int num);
+extern void line6_dump_started(struct line6_dump_request *l6dr, int dest);
+extern void line6_dumpreq_destruct(struct line6_dump_request *l6dr);
+extern void line6_dumpreq_destructbuf(struct line6_dump_request *l6dr, int num);
+extern int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf,
+                             size_t len);
+extern int line6_dumpreq_initbuf(struct line6_dump_request *l6dr,
+                                const void *buf, size_t len, int num);
+extern void line6_invalidate_current(struct line6_dump_request *l6dr);
+extern void line6_startup_delayed(struct line6_dump_request *l6dr, int seconds,
+                                 void (*function)(unsigned long), void *data);
+extern int line6_wait_dump(struct line6_dump_request *l6dr, int nonblock);
+
+
+#endif