drivers/staging/line6/variax.h

   1 /*
   2  * Line6 Linux USB driver - 0.8.0
   3  *
   4  * Copyright (C) 2004-2009 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
  16 #include "driver.h"
  17
  18 #include <linux/spinlock.h>
  19 #include <linux/usb.h>
  20 #include <linux/wait.h>
  21
  22 #include <sound/core.h>
  23
  24 #include "dumprequest.h"
  25
  26
  27 #define VARIAX_ACTIVATE_DELAY 10
  28 #define VARIAX_STARTUP_DELAY 3
  29
  30
  31 enum {
  32         VARIAX_DUMP_PASS1 = LINE6_DUMP_CURRENT,
  33         VARIAX_DUMP_PASS2,
  34         VARIAX_DUMP_PASS3
  35 };
  36
  37
  38 /**
  39          Binary Variax model dump
  40 */
  41 struct variax_model {
  42         /**
  43                  Header information (including program name).
  44         */
  45         unsigned char name[18];
  46
  47         /**
  48                  Model parameters.
  49         */
  50         unsigned char control[78 * 2];
  51 };
  52
  53 struct usb_line6_variax {
  54         /**
  55                  Generic Line6 USB data.
  56         */
  57         struct usb_line6 line6;
  58
  59         /**
  60                  Dump request structure.
  61                  Append two extra buffers for 3-pass data query.
  62         */
  63         struct line6_dump_request dumpreq; struct line6_dump_reqbuf extrabuf[2];
  64
  65         /**
  66                  Buffer for activation code.
  67         */
  68         unsigned char *buffer_activate;
  69
  70         /**
  71                  Model number.
  72         */
  73         int model;
  74
  75         /**
  76                  Current model settings.
  77         */
  78         struct variax_model model_data;
  79
  80         /**
  81                  Name of current model bank.
  82         */
  83         unsigned char bank[18];
  84
  85         /**
  86                  Position of volume dial.
  87         */
  88         int volume;
  89
  90         /**
  91                  Position of tone control dial.
  92         */
  93         int tone;
  94
  95         /**
  96                  Timer for delayed activation request.
  97         */
  98         struct timer_list activate_timer;
  99 };
 100
 101
 102 extern void variax_disconnect(struct usb_interface *interface);
 103 extern int variax_init(struct usb_interface *interface,
 104                        struct usb_line6_variax *variax);
 105 extern void variax_process_message(struct usb_line6_variax *variax);
 106
 107
 108 #endif