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705ececd MG |
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 | ||
22 | enum { | |
23 | LINE6_DUMP_NONE, | |
24 | LINE6_DUMP_CURRENT | |
25 | }; | |
26 | ||
27 | ||
28 | struct 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 | */ | |
44 | struct 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 | ||
74 | extern void line6_dump_finished(struct line6_dump_request *l6dr); | |
a49e4838 GKH |
75 | extern int line6_dump_request_async(struct line6_dump_request *l6dr, |
76 | struct usb_line6 *line6, int num); | |
705ececd MG |
77 | extern void line6_dump_started(struct line6_dump_request *l6dr, int dest); |
78 | extern void line6_dumpreq_destruct(struct line6_dump_request *l6dr); | |
79 | extern void line6_dumpreq_destructbuf(struct line6_dump_request *l6dr, int num); | |
a49e4838 GKH |
80 | extern int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf, |
81 | size_t len); | |
82 | extern int line6_dumpreq_initbuf(struct line6_dump_request *l6dr, | |
83 | const void *buf, size_t len, int num); | |
705ececd MG |
84 | extern void line6_invalidate_current(struct line6_dump_request *l6dr); |
85 | extern void line6_startup_delayed(struct line6_dump_request *l6dr, int seconds, | |
a49e4838 | 86 | void (*function)(unsigned long), void *data); |
705ececd MG |
87 | extern int line6_wait_dump(struct line6_dump_request *l6dr, int nonblock); |
88 | ||
89 | ||
90 | #endif |