sound/usb/6fire/comm.h

   1 /*
   2  * Linux driver for TerraTec DMX 6Fire USB
   3  *
   4  * Author:      Torsten Schenk <torsten.schenk@zoho.com>
   5  * Created:     Jan 01, 2011
   6  * Version:     0.3.0
   7  * Copyright:   (C) Torsten Schenk
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  */
  14 #ifndef USB6FIRE_COMM_H
  15 #define USB6FIRE_COMM_H
  16
  17 #include "common.h"
  18
  19 enum /* settings for comm */
  20 {
  21         COMM_RECEIVER_BUFSIZE = 64,
  22 };
  23
  24 struct comm_runtime {
  25         struct sfire_chip *chip;
  26
  27         struct urb receiver;
  28         u8 receiver_buffer[COMM_RECEIVER_BUFSIZE];
  29
  30         u8 serial; /* urb serial */
  31
  32         void (*init_urb)(struct comm_runtime *rt, struct urb *urb, u8 *buffer,
  33                         void *context, void(*handler)(struct urb *urb));
  34         /* writes control data to the device */
  35         int (*write8)(struct comm_runtime *rt, u8 request, u8 reg, u8 value);
  36         int (*write16)(struct comm_runtime *rt, u8 request, u8 reg,
  37                         u8 vh, u8 vl);
  38 };
  39
  40 int __devinit usb6fire_comm_init(struct sfire_chip *chip);
  41 void usb6fire_comm_abort(struct sfire_chip *chip);
  42 void usb6fire_comm_destroy(struct sfire_chip *chip);
  43 #endif /* USB6FIRE_COMM_H */
  44