1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Linux driver for TerraTec DMX 6Fire USB
4  *
5  * Author:	Torsten Schenk <torsten.schenk@zoho.com>
6  * Created:	Jan 01, 2011
7  * Copyright:	(C) Torsten Schenk
8  */
9 #ifndef USB6FIRE_COMM_H
10 #define USB6FIRE_COMM_H
11 
12 #include "common.h"
13 
14 enum /* settings for comm */
15 {
16 	COMM_RECEIVER_BUFSIZE = 64,
17 };
18 
19 struct comm_runtime {
20 	struct sfire_chip *chip;
21 
22 	struct urb receiver;
23 	u8 *receiver_buffer;
24 
25 	u8 serial; /* urb serial */
26 
27 	void (*init_urb)(struct comm_runtime *rt, struct urb *urb, u8 *buffer,
28 			void *context, void(*handler)(struct urb *urb));
29 	/* writes control data to the device */
30 	int (*write8)(struct comm_runtime *rt, u8 request, u8 reg, u8 value);
31 	int (*write16)(struct comm_runtime *rt, u8 request, u8 reg,
32 			u8 vh, u8 vl);
33 };
34 
35 int usb6fire_comm_init(struct sfire_chip *chip);
36 void usb6fire_comm_abort(struct sfire_chip *chip);
37 void usb6fire_comm_destroy(struct sfire_chip *chip);
38 #endif /* USB6FIRE_COMM_H */
39 
40