204 lines
3.5 KiB
C
204 lines
3.5 KiB
C
/*
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* Line6 Linux USB driver - 0.8.0
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*
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* Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#ifndef POD_H
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#define POD_H
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#include "driver.h"
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#include <linux/spinlock.h>
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#include <linux/usb.h>
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#include <linux/wait.h>
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#include <linux/workqueue.h>
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#include <sound/core.h>
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#include "dumprequest.h"
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/*
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PODxt Live interfaces
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*/
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#define PODXTLIVE_INTERFACE_POD 0
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#define PODXTLIVE_INTERFACE_VARIAX 1
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/*
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Locate name in binary program dump
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*/
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#define POD_NAME_OFFSET 0
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#define POD_NAME_LENGTH 16
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/*
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Other constants
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*/
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#define POD_CONTROL_SIZE 0x80
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#define POD_BUFSIZE_DUMPREQ 7
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#define POD_STARTUP_DELAY 3
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/**
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Data structure for values that need to be requested explicitly.
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This is the case for system and tuner settings.
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*/
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struct ValueWait
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{
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unsigned short value;
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wait_queue_head_t wait;
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};
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/**
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Binary PodXT Pro program dump
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*/
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struct pod_program {
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/**
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Header information (including program name).
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*/
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unsigned char header[0x20];
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/**
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Program parameters.
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*/
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unsigned char control[POD_CONTROL_SIZE];
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};
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struct usb_line6_pod {
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/**
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Generic Line6 USB data.
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*/
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struct usb_line6 line6;
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/**
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Dump request structure.
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*/
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struct line6_dump_request dumpreq;
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/**
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Current program number.
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*/
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unsigned char channel_num;
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/**
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Current program settings.
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*/
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struct pod_program prog_data;
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/**
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Buffer for data retrieved from or to be stored on PODxt Pro.
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*/
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struct pod_program prog_data_buf;
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/**
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Buffer for requesting version number.
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*/
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unsigned char *buffer_versionreq;
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/**
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Tuner mute mode.
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*/
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struct ValueWait tuner_mute;
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/**
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Tuner base frequency (typically 440Hz).
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*/
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struct ValueWait tuner_freq;
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/**
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Note received from tuner.
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*/
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struct ValueWait tuner_note;
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/**
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Pitch value received from tuner.
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*/
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struct ValueWait tuner_pitch;
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/**
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Instrument monitor level.
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*/
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struct ValueWait monitor_level;
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/**
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Audio routing mode.
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0: send processed guitar
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1: send clean guitar
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2: send clean guitar re-amp playback
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3: send re-amp playback
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*/
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struct ValueWait routing;
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/**
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Wait for audio clipping event.
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*/
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struct ValueWait clipping;
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/**
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Bottom-half for creation of sysfs special files.
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*/
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struct work_struct create_files_work;
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/**
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Dirty flags for access to parameter data.
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*/
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unsigned long param_dirty[POD_CONTROL_SIZE / sizeof(unsigned long)];
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/**
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Some atomic flags.
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*/
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unsigned long atomic_flags;
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/**
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Counter for startup process.
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*/
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int startup_count;
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/**
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Serial number of device.
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*/
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int serial_number;
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/**
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Firmware version (x 100).
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*/
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int firmware_version;
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/**
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Device ID.
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*/
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int device_id;
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/**
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Flag to indicate modification of current program settings.
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*/
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char dirty;
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/**
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Flag if initial firmware version request has been successful.
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*/
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char versionreq_ok;
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/**
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Flag to enable MIDI postprocessing.
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*/
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char midi_postprocess;
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};
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extern void pod_disconnect(struct usb_interface *interface);
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extern int pod_init(struct usb_interface *interface, struct usb_line6_pod *pod);
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extern void pod_midi_postprocess(struct usb_line6_pod *pod, unsigned char *data, int length);
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extern void pod_process_message(struct usb_line6_pod *pod);
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extern void pod_receive_parameter(struct usb_line6_pod *pod, int param);
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extern void pod_transmit_parameter(struct usb_line6_pod *pod, int param, int value);
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#endif
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