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/*
* Line6 Linux USB driver - 0.7.3
*
* Copyright (C) 2004-2008 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/driver.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
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