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 */
  29 enum {
  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
  39 struct 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
  67 extern void line6_variax_disconnect(struct usb_interface *interface);
  68 extern int line6_variax_init(struct usb_interface *interface,
  69                              struct usb_line6_variax *variax);
  70 extern void line6_variax_process_message(struct usb_line6_variax *variax);
  71
  72 #endif