LXR linux/drivers/staging/line6/variax.h

   1/*
   2 * Line6 Linux USB driver - 0.9.1beta
   3 *
   4 * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
   5 *
   6 *      This program is free software; you can redistribute it and/or
   7 *      modify it under the terms of the GNU General Public License as
   8 *      published by the Free Software Foundation, version 2.
   9 *
  10 */
  11
  12#ifndef VARIAX_H
  13#define VARIAX_H
  14
  15#include <linux/spinlock.h>
  16#include <linux/usb.h>
  17#include <linux/wait.h>
  18#include <sound/core.h>
  19
  20#include "driver.h"
  21
  22#define VARIAX_STARTUP_DELAY1 1000
  23#define VARIAX_STARTUP_DELAY3 100
  24#define VARIAX_STARTUP_DELAY4 100
  25
  26/*
  27        Stages of Variax startup procedure
  28*/
  29enum {
  30        VARIAX_STARTUP_INIT = 1,
  31        VARIAX_STARTUP_VERSIONREQ,
  32        VARIAX_STARTUP_WAIT,
  33        VARIAX_STARTUP_ACTIVATE,
  34        VARIAX_STARTUP_WORKQUEUE,
  35        VARIAX_STARTUP_SETUP,
  36        VARIAX_STARTUP_LAST = VARIAX_STARTUP_SETUP - 1
  37};
  38
  39struct usb_line6_variax {
  40        /**
  41                Generic Line6 USB data.
  42        */
  43        struct usb_line6 line6;
  44
  45        /**
  46                Buffer for activation code.
  47        */
  48        unsigned char *buffer_activate;
  49
  50        /**
  51                Handler for device initializaton.
  52        */
  53        struct work_struct startup_work;
  54
  55        /**
  56                Timers for device initializaton.
  57        */
  58        struct timer_list startup_timer1;
  59        struct timer_list startup_timer2;
  60
  61        /**
  62                Current progress in startup procedure.
  63        */
  64        int startup_progress;
  65};
  66
  67extern void line6_variax_disconnect(struct usb_interface *interface);
  68extern int line6_variax_init(struct usb_interface *interface,
  69                             struct usb_line6_variax *variax);
  70extern void line6_variax_process_message(struct usb_line6_variax *variax);
  71
  72#endif
  73