| /* |
| * Line6 Linux USB driver - 0.9.0 |
| * |
| * Copyright (C) 2004-2010 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; |
| |
| /** |
| 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, int dest); |
| 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_dump_wait(struct line6_dump_request *l6dr); |
| extern int line6_dump_wait_interruptible(struct line6_dump_request *l6dr); |
| extern int line6_dump_wait_timeout(struct line6_dump_request *l6dr, |
| long timeout); |
| |
| |
| #endif |