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  * 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[COMM_RECEIVER_BUFSIZE];
  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