pod.h

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/*
 * Line6 Linux USB driver - 0.9.1beta
 *
 * Copyright (C) 2004-2010 Markus Grabner ([email protected])
 *
 *  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
};

struct ValueWait {
    int value;
    wait_queue_head_t wait;
};

struct pod_program {
    unsigned char header[0x20];

    unsigned char control[POD_CONTROL_SIZE];
};

struct usb_line6_pod {
    struct usb_line6 line6;

    struct line6_dump_request dumpreq;

    unsigned char channel_num;

    struct pod_program prog_data;

    struct pod_program prog_data_buf;

    struct ValueWait tuner_mute;

    struct ValueWait tuner_freq;

    struct ValueWait tuner_note;

    struct ValueWait tuner_pitch;

    struct ValueWait monitor_level;

    struct ValueWait routing;

    struct ValueWait clipping;

    struct timer_list startup_timer;

    struct work_struct startup_work;

    int startup_progress;

    unsigned long param_dirty[POD_CONTROL_SIZE / sizeof(unsigned long)];

    unsigned long atomic_flags;

    int serial_number;

    int firmware_version;

    int device_id;

    char dirty;

    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,
                     u8 value);

#endif