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