tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Line6 Linux USB driver - 0.8.0
3 *
4 * Copyright (C) 2004-2009 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
16#include <linux/usb.h>
17#include <linux/wait.h>
18
19#include <sound/core.h>
20
21
22enum {
23 LINE6_DUMP_NONE,
24 LINE6_DUMP_CURRENT
25};
26
27
28struct line6_dump_reqbuf {
29 /**
30 Buffer for dump requests.
31 */
32 unsigned char *buffer;
33
34 /**
35 Size of dump request.
36 */
37 size_t length;
38};
39
40/**
41 Provides the functionality to request channel/model/... dump data from a
42 Line6 device.
43*/
44struct line6_dump_request {
45 /**
46 Wait queue for access to program dump data.
47 */
48 wait_queue_head_t wait;
49
50 /**
51 Indicates an unfinished program dump request.
52 0: no dump
53 1: dump current settings
54 Other device-specific values are also allowed.
55 */
56 int in_progress;
57
58 /**
59 Timer for delayed dump request.
60 */
61 struct timer_list timer;
62
63 /**
64 Flag if initial dump request has been successful.
65 */
66 char ok;
67
68 /**
69 Dump request buffers
70 */
71 struct line6_dump_reqbuf reqbufs[1];
72};
73
74extern void line6_dump_finished(struct line6_dump_request *l6dr);
75extern int line6_dump_request_async(struct line6_dump_request *l6dr,
76 struct usb_line6 *line6, int num);
77extern void line6_dump_started(struct line6_dump_request *l6dr, int dest);
78extern void line6_dumpreq_destruct(struct line6_dump_request *l6dr);
79extern void line6_dumpreq_destructbuf(struct line6_dump_request *l6dr, int num);
80extern int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf,
81 size_t len);
82extern int line6_dumpreq_initbuf(struct line6_dump_request *l6dr,
83 const void *buf, size_t len, int num);
84extern void line6_invalidate_current(struct line6_dump_request *l6dr);
85extern void line6_startup_delayed(struct line6_dump_request *l6dr, int seconds,
86 void (*function)(unsigned long), void *data);
87extern int line6_wait_dump(struct line6_dump_request *l6dr, int nonblock);
88
89
90#endif