/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