/drivers/staging/line6/variax.h
C Header | 132 lines | 51 code | 22 blank | 59 comment | 0 complexity | e6fc81b7b60a3fbca0e82913d12b5811 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
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