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 22 #define VARIAX_STARTUP_DELAY1 1000 23 #define VARIAX_STARTUP_DELAY3 100 24 #define VARIAX_STARTUP_DELAY4 100 25 26 /* 27 Stages of Variax startup procedure 28 */ 29 enum { 30 VARIAX_STARTUP_INIT = 1, 31 VARIAX_STARTUP_VERSIONREQ, 32 VARIAX_STARTUP_WAIT, 33 VARIAX_STARTUP_ACTIVATE, 34 VARIAX_STARTUP_WORKQUEUE, 35 VARIAX_STARTUP_SETUP, 36 VARIAX_STARTUP_LAST = VARIAX_STARTUP_SETUP - 1 37 }; 38 39 struct usb_line6_variax { 40 /** 41 Generic Line6 USB data. 42 */ 43 struct usb_line6 line6; 44 45 /** 46 Buffer for activation code. 47 */ 48 unsigned char *buffer_activate; 49 50 /** 51 Handler for device initializaton. 52 */ 53 struct work_struct startup_work; 54 55 /** 56 Timers for device initializaton. 57 */ 58 struct timer_list startup_timer1; 59 struct timer_list startup_timer2; 60 61 /** 62 Current progress in startup procedure. 63 */ 64 int startup_progress; 65 }; 66 67 extern void line6_variax_disconnect(struct usb_interface *interface); 68 extern int line6_variax_init(struct usb_interface *interface, 69 struct usb_line6_variax *variax); 70 extern void line6_variax_process_message(struct usb_line6_variax *variax); 71 72 #endif 73