LXR linux/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
  18enum /* settings for comm */
  19{
  20        COMM_RECEIVER_BUFSIZE = 64,
  21};
  22
  23struct 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
  39int usb6fire_comm_init(struct sfire_chip *chip);
  40void usb6fire_comm_abort(struct sfire_chip *chip);
  41void usb6fire_comm_destroy(struct sfire_chip *chip);
  42#endif /* USB6FIRE_COMM_H */
  43
  44