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/*
* Line6 Linux USB driver - 0.9.1beta
*
* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2.
*
*/
#ifndef POD_H
#define POD_H
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/usb.h>
#include <linux/wait.h>
#include <sound/core.h>
#include "driver.h"
#include "dumprequest.h"
/*
PODxt Live interfaces
*/
#define PODXTLIVE_INTERFACE_POD 0
#define PODXTLIVE_INTERFACE_VARIAX 1
/*
Locate name in binary program dump
*/
#define POD_NAME_OFFSET 0
#define POD_NAME_LENGTH 16
/*
Other constants
*/
#define POD_CONTROL_SIZE 0x80
#define POD_BUFSIZE_DUMPREQ 7
#define POD_STARTUP_DELAY 1000
/*
Stages of POD startup procedure
*/
enum {
POD_STARTUP_INIT = 1,
POD_STARTUP_DUMPREQ,
POD_STARTUP_VERSIONREQ,
POD_STARTUP_WORKQUEUE,
POD_STARTUP_SETUP,
POD_STARTUP_LAST = POD_STARTUP_SETUP - 1
};
/**
Data structure for values that need to be requested explicitly.
This is the case for system and tuner settings.
*/
struct ValueWait {
int value;
wait_queue_head_t wait;
};
/**
Binary PODxt Pro program dump
*/
struct pod_program {
/**
Header information (including program name).
*/
unsigned char header[0x20];
/**
Program parameters.
*/
unsigned char control[POD_CONTROL_SIZE];
};
struct usb_line6_pod {
/**
Generic Line6 USB data.
*/
struct usb_line6 line6;
/**
Dump request structure.
*/
struct line6_dump_request dumpreq;
/**
Current program number.
*/
unsigned char channel_num;
/**
Current program settings.
*/
struct pod_program prog_data;
/**
Buffer for data retrieved from or to be stored on PODxt Pro.
*/
struct pod_program prog_data_buf;
/**
Tuner mute mode.
*/
struct ValueWait tuner_mute;
/**
Tuner base frequency (typically 440Hz).
*/
struct ValueWait tuner_freq;
/**
Note received from tuner.
*/
struct ValueWait tuner_note;
/**
Pitch value received from tuner.
*/
struct ValueWait tuner_pitch;
/**
Instrument monitor level.
*/
struct ValueWait monitor_level;
/**
Audio routing mode.
0: send processed guitar
1: send clean guitar
2: send clean guitar re-amp playback
3: send re-amp playback
*/
struct ValueWait routing;
/**
Wait for audio clipping event.
*/
struct ValueWait clipping;
/**
Timer for device initializaton.
*/
struct timer_list startup_timer;
/**
Work handler for device initializaton.
*/
struct work_struct startup_work;
/**
Current progress in startup procedure.
*/
int startup_progress;
/**
Dirty flags for access to parameter data.
*/
unsigned long param_dirty[POD_CONTROL_SIZE / sizeof(unsigned long)];
/**
Some atomic flags.
*/
unsigned long atomic_flags;
/**
Serial number of device.
*/
int serial_number;
/**
Firmware version (x 100).
*/
int firmware_version;
/**
Device ID.
*/
int device_id;
/**
Flag to indicate modification of current program settings.
*/
char dirty;
/**
Flag to enable MIDI postprocessing.
*/
char midi_postprocess;
};
extern void line6_pod_disconnect(struct usb_interface *interface);
extern int line6_pod_init(struct usb_interface *interface,
struct usb_line6_pod *pod);
extern void line6_pod_midi_postprocess(struct usb_line6_pod *pod,
unsigned char *data, int length);
extern void line6_pod_process_message(struct usb_line6_pod *pod);
extern void line6_pod_transmit_parameter(struct usb_line6_pod *pod, int param,
int value);
#endif
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