Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1/*
2 * Line6 Linux USB driver - 0.9.1beta
3 *
4 * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, version 2.
9 *
10 */
11
12#ifndef DUMPREQUEST_H
13#define DUMPREQUEST_H
14
15#include <linux/usb.h>
16#include <linux/wait.h>
17#include <sound/core.h>
18
19enum {
20 LINE6_DUMP_NONE,
21 LINE6_DUMP_CURRENT
22};
23
24struct line6_dump_reqbuf {
25 /**
26 Buffer for dump requests.
27 */
28 unsigned char *buffer;
29
30 /**
31 Size of dump request.
32 */
33 size_t length;
34};
35
36/**
37 Provides the functionality to request channel/model/... dump data from a
38 Line6 device.
39*/
40struct line6_dump_request {
41 /**
42 Wait queue for access to program dump data.
43 */
44 wait_queue_head_t wait;
45
46 /**
47 Indicates an unfinished program dump request.
48 0: no dump
49 1: dump current settings
50 Other device-specific values are also allowed.
51 */
52 int in_progress;
53
54 /**
55 Dump request buffers
56 */
57 struct line6_dump_reqbuf reqbufs[1];
58};
59
60extern void line6_dump_finished(struct line6_dump_request *l6dr);
61extern int line6_dump_request_async(struct line6_dump_request *l6dr,
62 struct usb_line6 *line6, int num, int dest);
63extern void line6_dump_started(struct line6_dump_request *l6dr, int dest);
64extern void line6_dumpreq_destruct(struct line6_dump_request *l6dr);
65extern void line6_dumpreq_destructbuf(struct line6_dump_request *l6dr, int num);
66extern int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf,
67 size_t len);
68extern int line6_dumpreq_initbuf(struct line6_dump_request *l6dr,
69 const void *buf, size_t len, int num);
70extern void line6_invalidate_current(struct line6_dump_request *l6dr);
71extern void line6_dump_wait(struct line6_dump_request *l6dr);
72extern int line6_dump_wait_interruptible(struct line6_dump_request *l6dr);
73extern int line6_dump_wait_timeout(struct line6_dump_request *l6dr,
74 long timeout);
75
76#endif