xref: /linux/sound/usb/6fire/comm.h (revision c0c914eca7f251c70facc37dfebeaf176601918d)
1 /*
2  * Linux driver for TerraTec DMX 6Fire USB
3  *
4  * Author:	Torsten Schenk <torsten.schenk@zoho.com>
5  * Created:	Jan 01, 2011
6  * Copyright:	(C) Torsten Schenk
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  */
13 #ifndef USB6FIRE_COMM_H
14 #define USB6FIRE_COMM_H
15 
16 #include "common.h"
17 
18 enum /* settings for comm */
19 {
20 	COMM_RECEIVER_BUFSIZE = 64,
21 };
22 
23 struct comm_runtime {
24 	struct sfire_chip *chip;
25 
26 	struct urb receiver;
27 	u8 *receiver_buffer;
28 
29 	u8 serial; /* urb serial */
30 
31 	void (*init_urb)(struct comm_runtime *rt, struct urb *urb, u8 *buffer,
32 			void *context, void(*handler)(struct urb *urb));
33 	/* writes control data to the device */
34 	int (*write8)(struct comm_runtime *rt, u8 request, u8 reg, u8 value);
35 	int (*write16)(struct comm_runtime *rt, u8 request, u8 reg,
36 			u8 vh, u8 vl);
37 };
38 
39 int usb6fire_comm_init(struct sfire_chip *chip);
40 void usb6fire_comm_abort(struct sfire_chip *chip);
41 void usb6fire_comm_destroy(struct sfire_chip *chip);
42 #endif /* USB6FIRE_COMM_H */
43 
44