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#include "dumprequest.h"
  22
  23#define VARIAX_STARTUP_DELAY1 1000
  24#define VARIAX_STARTUP_DELAY3 100
  25#define VARIAX_STARTUP_DELAY4 100
  26
  27/*
  28        Stages of Variax startup procedure
  29*/
  30enum {
  31        VARIAX_STARTUP_INIT = 1,
  32        VARIAX_STARTUP_VERSIONREQ,
  33        VARIAX_STARTUP_WAIT,
  34        VARIAX_STARTUP_ACTIVATE,
  35        VARIAX_STARTUP_DUMPREQ,
  36        VARIAX_STARTUP_WORKQUEUE,
  37        VARIAX_STARTUP_SETUP,
  38        VARIAX_STARTUP_LAST = VARIAX_STARTUP_SETUP - 1
  39};
  40
  41enum {
  42        VARIAX_DUMP_PASS1 = LINE6_DUMP_CURRENT,
  43        VARIAX_DUMP_PASS2,
  44        VARIAX_DUMP_PASS3
  45};
  46
  47/**
  48        Binary Variax model dump
  49*/
  50struct variax_model {
  51        /**
  52                Header information (including program name).
  53        */
  54        unsigned char name[18];
  55
  56        /**
  57                Model parameters.
  58        */
  59        unsigned char control[78 * 2];
  60};
  61
  62struct usb_line6_variax {
  63        /**
  64                Generic Line6 USB data.
  65        */
  66        struct usb_line6 line6;
  67
  68        /**
  69                Dump request structure.
  70                Append two extra buffers for 3-pass data query.
  71        */
  72        struct line6_dump_request dumpreq;
  73        struct line6_dump_reqbuf extrabuf[2];
  74
  75        /**
  76                Buffer for activation code.
  77        */
  78        unsigned char *buffer_activate;
  79
  80        /**
  81                Model number.
  82        */
  83        int model;
  84
  85        /**
  86                Current model settings.
  87        */
  88        struct variax_model model_data;
  89
  90        /**
  91                Name of connected guitar.
  92        */
  93        unsigned char guitar[18];
  94
  95        /**
  96                Name of current model bank.
  97        */
  98        unsigned char bank[18];
  99
 100        /**
 101                Position of volume dial.
 102        */
 103        int volume;
 104
 105        /**
 106                Position of tone control dial.
 107        */
 108        int tone;
 109
 110        /**
 111                Handler for device initializaton.
 112        */
 113        struct work_struct startup_work;
 114
 115        /**
 116                Timers for device initializaton.
 117        */
 118        struct timer_list startup_timer1;
 119        struct timer_list startup_timer2;
 120
 121        /**
 122                Current progress in startup procedure.
 123        */
 124        int startup_progress;
 125};
 126
 127extern void line6_variax_disconnect(struct usb_interface *interface);
 128extern int line6_variax_init(struct usb_interface *interface,
 129                             struct usb_line6_variax *variax);
 130extern void line6_variax_process_message(struct usb_line6_variax *variax);
 131
 132#endif
 133