diff options
Diffstat (limited to 'drivers/staging/line6/dumprequest.h')
-rw-r--r-- | drivers/staging/line6/dumprequest.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/staging/line6/dumprequest.h b/drivers/staging/line6/dumprequest.h new file mode 100644 index 00000000000..e0b38bbc1ad --- /dev/null +++ b/drivers/staging/line6/dumprequest.h @@ -0,0 +1,87 @@ +/* + * Line6 Linux USB driver - 0.8.0 + * + * Copyright (C) 2004-2009 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; + + /** + 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 |