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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/usb/6fire/comm.h
10817 views
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/*

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 * Linux driver for TerraTec DMX 6Fire USB

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 *

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 * Author:	Torsten Schenk <[email protected]>

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 * Created:	Jan 01, 2011

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 * Version:	0.3.0

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 * Copyright:	(C) Torsten Schenk

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License as published by

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 * the Free Software Foundation; either version 2 of the License, or

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 * (at your option) any later version.

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 */

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#ifndef USB6FIRE_COMM_H

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#define USB6FIRE_COMM_H

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#include "common.h"

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enum /* settings for comm */

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{

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	COMM_RECEIVER_BUFSIZE = 64,

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};

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struct comm_runtime {

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	struct sfire_chip *chip;

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	struct urb receiver;

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	u8 receiver_buffer[COMM_RECEIVER_BUFSIZE];

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	u8 serial; /* urb serial */

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	void (*init_urb)(struct comm_runtime *rt, struct urb *urb, u8 *buffer,

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			void *context, void(*handler)(struct urb *urb));

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	/* writes control data to the device */

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	int (*write8)(struct comm_runtime *rt, u8 request, u8 reg, u8 value);

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	int (*write16)(struct comm_runtime *rt, u8 request, u8 reg,

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			u8 vh, u8 vl);

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};

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int __devinit usb6fire_comm_init(struct sfire_chip *chip);

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void usb6fire_comm_abort(struct sfire_chip *chip);

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void usb6fire_comm_destroy(struct sfire_chip *chip);

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#endif /* USB6FIRE_COMM_H */

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