/*
 * 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.
 *
 */

#include <linux/usb.h>

#include "control.h"
#include "driver.h"
#include "pod.h"
#include "usbdefs.h"
#include "variax.h"

#define DEVICE_ATTR2(_name1, _name2, _mode, _show, _store) \
struct device_attribute dev_attr_##_name1 = __ATTR(_name2, _mode, _show, _store)

#define LINE6_PARAM_R(PREFIX, prefix, type, param) \
static ssize_t prefix##_get_##param(struct device *dev, \
			struct device_attribute *attr, char *buf) \
{ \
	return prefix##_get_param_##type(dev, buf, PREFIX##_##param); \
}

#define LINE6_PARAM_RW(PREFIX, prefix, type, param) \
LINE6_PARAM_R(PREFIX, prefix, type, param); \
static ssize_t prefix##_set_##param(struct device *dev, \
		struct device_attribute *attr, const char *buf, size_t count) \
{ \
	return prefix##_set_param_##type(dev, buf, count, PREFIX##_##param); \
}

#define POD_PARAM_R(type, param) LINE6_PARAM_R(POD, pod, type, param)
#define POD_PARAM_RW(type, param) LINE6_PARAM_RW(POD, pod, type, param)
#define VARIAX_PARAM_R(type, param) LINE6_PARAM_R(VARIAX, variax, type, param)
#define VARIAX_PARAM_RW(type, param) LINE6_PARAM_RW(VARIAX, variax, type, param)

static ssize_t pod_get_param_int(struct device *dev, char *buf, int param)
{
	struct usb_interface *interface = to_usb_interface(dev);
	struct usb_line6_pod *pod = usb_get_intfdata(interface);
	int retval = line6_dump_wait_interruptible(&pod->dumpreq);
	if (retval < 0)
		return retval;
	return sprintf(buf, "%d\n", pod->prog_data.control[param]);
}

static ssize_t pod_set_param_int(struct device *dev, const char *buf,
				 size_t count, int param)
{
	struct usb_interface *interface = to_usb_interface(dev);
	struct usb_line6_pod *pod = usb_get_intfdata(interface);
	unsigned long value;
	int retval;

	retval = strict_strtoul(buf, 10, &value);
	if (retval)
		return retval;

	line6_pod_transmit_parameter(pod, param, value);
	return count;
}

static ssize_t variax_get_param_int(struct device *dev, char *buf, int param)
{
	struct usb_interface *interface = to_usb_interface(dev);
	struct usb_line6_variax *variax = usb_get_intfdata(interface);
	int retval = line6_dump_wait_interruptible(&variax->dumpreq);
	if (retval < 0)
		return retval;
	return sprintf(buf, "%d\n", variax->model_data.control[param]);
}

static ssize_t variax_get_param_float(struct device *dev, char *buf, int param)
{
	/*
	   We do our own floating point handling here since at the time
	   this code was written (Jan 2006) it was highly discouraged to
	   use floating point arithmetic in the kernel. If you think that
	   this no longer applies, feel free to replace this by generic
	   floating point code.
	 */

	static const int BIAS = 0x7f;
	static const int OFFSET = 0xf;
	static const int PRECISION = 1000;

	int len = 0;
	unsigned part_int, part_frac;
	struct usb_interface *interface = to_usb_interface(dev);
	struct usb_line6_variax *variax = usb_get_intfdata(interface);
	const unsigned char *p = variax->model_data.control + param;
	int retval = line6_dump_wait_interruptible(&variax->dumpreq);
	if (retval < 0)
		return retval;

	if ((p[0] == 0) && (p[1] == 0) && (p[2] == 0))
		part_int = part_frac = 0;
	else {
		int exponent = (((p[0] & 0x7f) << 1) | (p[1] >> 7)) - BIAS;
		unsigned mantissa = (p[1] << 8) | p[2] | 0x8000;
		exponent -= OFFSET;

		if (exponent >= 0) {
			part_int = mantissa << exponent;
			part_frac = 0;
		} else {
			part_int = mantissa >> -exponent;
			part_frac = (mantissa << (32 + exponent)) & 0xffffffff;
		}

		part_frac =
		    (part_frac / ((1UL << 31) / (PRECISION / 2 * 10)) + 5) / 10;
	}

	len +=
	    sprintf(buf + len, "%s%d.%03d\n", ((p[0] & 0x80) ? "-" : ""),
		    part_int, part_frac);
	return len;
}

POD_PARAM_RW(int, tweak);
POD_PARAM_RW(int, wah_position);
POD_PARAM_RW(int, compression_gain);
POD_PARAM_RW(int, vol_pedal_position);
POD_PARAM_RW(int, compression_threshold);
POD_PARAM_RW(int, pan);
POD_PARAM_RW(int, amp_model_setup);
POD_PARAM_RW(int, amp_model);
POD_PARAM_RW(int, drive);
POD_PARAM_RW(int, bass);
POD_PARAM_RW(int, mid);
POD_PARAM_RW(int, lowmid);
POD_PARAM_RW(int, treble);
POD_PARAM_RW(int, highmid);
POD_PARAM_RW(int, chan_vol);
POD_PARAM_RW(int, reverb_mix);
POD_PARAM_RW(int, effect_setup);
POD_PARAM_RW(int, band_1_frequency);
POD_PARAM_RW(int, presence);
POD_PARAM_RW(int, treble__bass);
POD_PARAM_RW(int, noise_gate_enable);
POD_PARAM_RW(int, gate_threshold);
POD_PARAM_RW(int, gate_decay_time);
POD_PARAM_RW(int, stomp_enable);
POD_PARAM_RW(int, comp_enable);
POD_PARAM_RW(int, stomp_time);
POD_PARAM_RW(int, delay_enable);
POD_PARAM_RW(int, mod_param_1);
POD_PARAM_RW(int, delay_param_1);
POD_PARAM_RW(int, delay_param_1_note_value);
POD_PARAM_RW(int, band_2_frequency__bass);
POD_PARAM_RW(int, delay_param_2);
POD_PARAM_RW(int, delay_volume_mix);
POD_PARAM_RW(int, delay_param_3);
POD_PARAM_RW(int, reverb_enable);
POD_PARAM_RW(int, reverb_type);
POD_PARAM_RW(int, reverb_decay);
POD_PARAM_RW(int, reverb_tone);
POD_PARAM_RW(int, reverb_pre_delay);
POD_PARAM_RW(int, reverb_pre_post);
POD_PARAM_RW(int, band_2_frequency);
POD_PARAM_RW(int, band_3_frequency__bass);
POD_PARAM_RW(int, wah_enable);
POD_PARAM_RW(int, modulation_lo_cut);
POD_PARAM_RW(int, delay_reverb_lo_cut);
POD_PARAM_RW(int, volume_pedal_minimum);
POD_PARAM_RW(int, eq_pre_post);
POD_PARAM_RW(int, volume_pre_post);
POD_PARAM_RW(int, di_model);
POD_PARAM_RW(int, di_delay);
POD_PARAM_RW(int, mod_enable);
POD_PARAM_RW(int, mod_param_1_note_value);
POD_PARAM_RW(int, mod_param_2);
POD_PARAM_RW(int, mod_param_3);
POD_PARAM_RW(int, mod_param_4);
POD_PARAM_RW(int, mod_param_5);
POD_PARAM_RW(int, mod_volume_mix);
POD_PARAM_RW(int, mod_pre_post);
POD_PARAM_RW(int, modulation_model);
POD_PARAM_RW(int, band_3_frequency);
POD_PARAM_RW(int, band_4_frequency__bass);
POD_PARAM_RW(int, mod_param_1_double_precision);
POD_PARAM_RW(int, delay_param_1_double_precision);
POD_PARAM_RW(int, eq_enable);
POD_PARAM_RW(int, tap);
POD_PARAM_RW(int, volume_tweak_pedal_assign);
POD_PARAM_RW(int, band_5_frequency);
POD_PARAM_RW(int, tuner);
POD_PARAM_RW(int, mic_selection);
POD_PARAM_RW(int, cabinet_model);
POD_PARAM_RW(int, stomp_model);
POD_PARAM_RW(int, roomlevel);
POD_PARAM_RW(int, band_4_frequency);
POD_PARAM_RW(int, band_6_frequency);
POD_PARAM_RW(int, stomp_param_1_note_value);
POD_PARAM_RW(int, stomp_param_2);
POD_PARAM_RW(int, stomp_param_3);
POD_PARAM_RW(int, stomp_param_4);
POD_PARAM_RW(int, stomp_param_5);
POD_PARAM_RW(int, stomp_param_6);
POD_PARAM_RW(int, amp_switch_select);
POD_PARAM_RW(int, delay_param_4);
POD_PARAM_RW(int, delay_param_5);
POD_PARAM_RW(int, delay_pre_post);
POD_PARAM_RW(int, delay_model);
POD_PARAM_RW(int, delay_verb_model);
POD_PARAM_RW(int, tempo_msb);
POD_PARAM_RW(int, tempo_lsb);
POD_PARAM_RW(int, wah_model);
POD_PARAM_RW(int, bypass_volume);
POD_PARAM_RW(int, fx_loop_on_off);
POD_PARAM_RW(int, tweak_param_select);
POD_PARAM_RW(int, amp1_engage);
POD_PARAM_RW(int, band_1_gain);
POD_PARAM_RW(int, band_2_gain__bass);
POD_PARAM_RW(int, band_2_gain);
POD_PARAM_RW(int, band_3_gain__bass);
POD_PARAM_RW(int, band_3_gain);
POD_PARAM_RW(int, band_4_gain__bass);
POD_PARAM_RW(int, band_5_gain__bass);
POD_PARAM_RW(int, band_4_gain);
POD_PARAM_RW(int, band_6_gain__bass);
VARIAX_PARAM_R(int, body);
VARIAX_PARAM_R(int, pickup1_enable);
VARIAX_PARAM_R(int, pickup1_type);
VARIAX_PARAM_R(float, pickup1_position);
VARIAX_PARAM_R(float, pickup1_angle);
VARIAX_PARAM_R(float, pickup1_level);
VARIAX_PARAM_R(int, pickup2_enable);
VARIAX_PARAM_R(int, pickup2_type);
VARIAX_PARAM_R(float, pickup2_position);
VARIAX_PARAM_R(float, pickup2_angle);
VARIAX_PARAM_R(float, pickup2_level);
VARIAX_PARAM_R(int, pickup_phase);
VARIAX_PARAM_R(float, capacitance);
VARIAX_PARAM_R(float, tone_resistance);
VARIAX_PARAM_R(float, volume_resistance);
VARIAX_PARAM_R(int, taper);
VARIAX_PARAM_R(float, tone_dump);
VARIAX_PARAM_R(int, save_tone);
VARIAX_PARAM_R(float, volume_dump);
VARIAX_PARAM_R(int, tuning_enable);
VARIAX_PARAM_R(int, tuning6);
VARIAX_PARAM_R(int, tuning5);
VARIAX_PARAM_R(int, tuning4);
VARIAX_PARAM_R(int, tuning3);
VARIAX_PARAM_R(int, tuning2);
VARIAX_PARAM_R(int, tuning1);
VARIAX_PARAM_R(float, detune6);
VARIAX_PARAM_R(float, detune5);
VARIAX_PARAM_R(float, detune4);
VARIAX_PARAM_R(float, detune3);
VARIAX_PARAM_R(float, detune2);
VARIAX_PARAM_R(float, detune1);
VARIAX_PARAM_R(float, mix6);
VARIAX_PARAM_R(float, mix5);
VARIAX_PARAM_R(float, mix4);
VARIAX_PARAM_R(float, mix3);
VARIAX_PARAM_R(float, mix2);
VARIAX_PARAM_R(float, mix1);
VARIAX_PARAM_R(int, pickup_wiring);

static DEVICE_ATTR(tweak, S_IWUSR | S_IRUGO, pod_get_tweak, pod_set_tweak);
static DEVICE_ATTR(wah_position, S_IWUSR | S_IRUGO, pod_get_wah_position,
		   pod_set_wah_position);
static DEVICE_ATTR(compression_gain, S_IWUSR | S_IRUGO,
		   pod_get_compression_gain, pod_set_compression_gain);
static DEVICE_ATTR(vol_pedal_position, S_IWUSR | S_IRUGO,
		   pod_get_vol_pedal_position, pod_set_vol_pedal_position);
static DEVICE_ATTR(compression_threshold, S_IWUSR | S_IRUGO,
		   pod_get_compression_threshold,
		   pod_set_compression_threshold);
static DEVICE_ATTR(pan, S_IWUSR | S_IRUGO, pod_get_pan, pod_set_pan);
static DEVICE_ATTR(amp_model_setup, S_IWUSR | S_IRUGO, pod_get_amp_model_setup,
		   pod_set_amp_model_setup);
static DEVICE_ATTR(amp_model, S_IWUSR | S_IRUGO, pod_get_amp_model,
		   pod_set_amp_model);
static DEVICE_ATTR(drive, S_IWUSR | S_IRUGO, pod_get_drive, pod_set_drive);
static DEVICE_ATTR(bass, S_IWUSR | S_IRUGO, pod_get_bass, pod_set_bass);
static DEVICE_ATTR(mid, S_IWUSR | S_IRUGO, pod_get_mid, pod_set_mid);
static DEVICE_ATTR(lowmid, S_IWUSR | S_IRUGO, pod_get_lowmid, pod_set_lowmid);
static DEVICE_ATTR(treble, S_IWUSR | S_IRUGO, pod_get_treble, pod_set_treble);
static DEVICE_ATTR(highmid, S_IWUSR | S_IRUGO, pod_get_highmid,
		   pod_set_highmid);
static DEVICE_ATTR(chan_vol, S_IWUSR | S_IRUGO, pod_get_chan_vol,
		   pod_set_chan_vol);
static DEVICE_ATTR(reverb_mix, S_IWUSR | S_IRUGO, pod_get_reverb_mix,
		   pod_set_reverb_mix);
static DEVICE_ATTR(effect_setup, S_IWUSR | S_IRUGO, pod_get_effect_setup,
		   pod_set_effect_setup);
static DEVICE_ATTR(band_1_frequency, S_IWUSR | S_IRUGO,
		   pod_get_band_1_frequency, pod_set_band_1_frequency);
static DEVICE_ATTR(presence, S_IWUSR | S_IRUGO, pod_get_presence,
		   pod_set_presence);
static DEVICE_ATTR2(treble__bass, treble, S_IWUSR | S_IRUGO,
		    pod_get_treble__bass, pod_set_treble__bass);
static DEVICE_ATTR(noise_gate_enable, S_IWUSR | S_IRUGO,
		   pod_get_noise_gate_enable, pod_set_noise_gate_enable);
static DEVICE_ATTR(gate_threshold, S_IWUSR | S_IRUGO, pod_get_gate_threshold,
		   pod_set_gate_threshold);
static DEVICE_ATTR(gate_decay_time, S_IWUSR | S_IRUGO, pod_get_gate_decay_time,
		   pod_set_gate_decay_time);
static DEVICE_ATTR(stomp_enable, S_IWUSR | S_IRUGO, pod_get_stomp_enable,
		   pod_set_stomp_enable);
static DEVICE_ATTR(comp_enable, S_IWUSR | S_IRUGO, pod_get_comp_enable,
		   pod_set_comp_enable);
static DEVICE_ATTR(stomp_time, S_IWUSR | S_IRUGO, pod_get_stomp_time,
		   pod_set_stomp_time);
static DEVICE_ATTR(delay_enable, S_IWUSR | S_IRUGO, pod_get_delay_enable,
		   pod_set_delay_enable);
static DEVICE_ATTR(mod_param_1, S_IWUSR | S_IRUGO, pod_get_mod_param_1,
		   pod_set_mod_param_1);
static DEVICE_ATTR(delay_param_1, S_IWUSR | S_IRUGO, pod_get_delay_param_1,
		   pod_set_delay_param_1);
static DEVICE_ATTR(delay_param_1_note_value, S_IWUSR | S_IRUGO,
		   pod_get_delay_param_1_note_value,
		   pod_set_delay_param_1_note_value);
static DEVICE_ATTR2(band_2_frequency__bass, band_2_frequency, S_IWUSR | S_IRUGO,
		    pod_get_band_2_frequency__bass,
		    pod_set_band_2_frequency__bass);
static DEVICE_ATTR(delay_param_2, S_IWUSR | S_IRUGO, pod_get_delay_param_2,
		   pod_set_delay_param_2);
static DEVICE_ATTR(delay_volume_mix, S_IWUSR | S_IRUGO,
		   pod_get_delay_volume_mix, pod_set_delay_volume_mix);
static DEVICE_ATTR(delay_param_3, S_IWUSR | S_IRUGO, pod_get_delay_param_3,
		   pod_set_delay_param_3);
static DEVICE_ATTR(reverb_enable, S_IWUSR | S_IRUGO, pod_get_reverb_enable,
		   pod_set_reverb_enable);
static DEVICE_ATTR(reverb_type, S_IWUSR | S_IRUGO, pod_get_reverb_type,
		   pod_set_reverb_type);
static DEVICE_ATTR(reverb_decay, S_IWUSR | S_IRUGO, pod_get_reverb_decay,
		   pod_set_reverb_decay);
static DEVICE_ATTR(reverb_tone, S_IWUSR | S_IRUGO, pod_get_reverb_tone,
		   pod_set_reverb_tone);
static DEVICE_ATTR(reverb_pre_delay, S_IWUSR | S_IRUGO,
		   pod_get_reverb_pre_delay, pod_set_reverb_pre_delay);
static DEVICE_ATTR(reverb_pre_post, S_IWUSR | S_IRUGO, pod_get_reverb_pre_post,
		   pod_set_reverb_pre_post);
static DEVICE_ATTR(band_2_frequency, S_IWUSR | S_IRUGO,
		   pod_get_band_2_frequency, pod_set_band_2_frequency);
static DEVICE_ATTR2(band_3_frequency__bass, band_3_frequency, S_IWUSR | S_IRUGO,
		    pod_get_band_3_frequency__bass,
		    pod_set_band_3_frequency__bass);
static DEVICE_ATTR(wah_enable, S_IWUSR | S_IRUGO, pod_get_wah_enable,
		   pod_set_wah_enable);
static DEVICE_ATTR(modulation_lo_cut, S_IWUSR | S_IRUGO,
		   pod_get_modulation_lo_cut, pod_set_modulation_lo_cut);
static DEVICE_ATTR(delay_reverb_lo_cut, S_IWUSR | S_IRUGO,
		   pod_get_delay_reverb_lo_cut, pod_set_delay_reverb_lo_cut);
static DEVICE_ATTR(volume_pedal_minimum, S_IWUSR | S_IRUGO,
		   pod_get_volume_pedal_minimum, pod_set_volume_pedal_minimum);
static DEVICE_ATTR(eq_pre_post, S_IWUSR | S_IRUGO, pod_get_eq_pre_post,
		   pod_set_eq_pre_post);
static DEVICE_ATTR(volume_pre_post, S_IWUSR | S_IRUGO, pod_get_volume_pre_post,
		   pod_set_volume_pre_post);
static DEVICE_ATTR(di_model, S_IWUSR | S_IRUGO, pod_get_di_model,
		   pod_set_di_model);
static DEVICE_ATTR(di_delay, S_IWUSR | S_IRUGO, pod_get_di_delay,
		   pod_set_di_delay);
static DEVICE_ATTR(mod_enable, S_IWUSR | S_IRUGO, pod_get_mod_enable,
		   pod_set_mod_enable);
static DEVICE_ATTR(mod_param_1_note_value, S_IWUSR | S_IRUGO,
		   pod_get_mod_param_1_note_value,
		   pod_set_mod_param_1_note_value);
static DEVICE_ATTR(mod_param_2, S_IWUSR | S_IRUGO, pod_get_mod_param_2,
		   pod_set_mod_param_2);
static DEVICE_ATTR(mod_param_3, S_IWUSR | S_IRUGO, pod_get_mod_param_3,
		   pod_set_mod_param_3);
static DEVICE_ATTR(mod_param_4, S_IWUSR | S_IRUGO, pod_get_mod_param_4,
		   pod_set_mod_param_4);
static DEVICE_ATTR(mod_param_5, S_IWUSR | S_IRUGO, pod_get_mod_param_5,
		   pod_set_mod_param_5);
static DEVICE_ATTR(mod_volume_mix, S_IWUSR | S_IRUGO, pod_get_mod_volume_mix,
		   pod_set_mod_volume_mix);
static DEVICE_ATTR(mod_pre_post, S_IWUSR | S_IRUGO, pod_get_mod_pre_post,
		   pod_set_mod_pre_post);
static DEVICE_ATTR(modulation_model, S_IWUSR | S_IRUGO,
		   pod_get_modulation_model, pod_set_modulation_model);
static DEVICE_ATTR(band_3_frequency, S_IWUSR | S_IRUGO,
		   pod_get_band_3_frequency, pod_set_band_3_frequency);
static DEVICE_ATTR2(band_4_frequency__bass, band_4_frequency, S_IWUSR | S_IRUGO,
		    pod_get_band_4_frequency__bass,
		    pod_set_band_4_frequency__bass);
static DEVICE_ATTR(mod_param_1_double_precision, S_IWUSR | S_IRUGO,
		   pod_get_mod_param_1_double_precision,
		   pod_set_mod_param_1_double_precision);
static DEVICE_ATTR(delay_param_1_double_precision, S_IWUSR | S_IRUGO,
		   pod_get_delay_param_1_double_precision,
		   pod_set_delay_param_1_double_precision);
static DEVICE_ATTR(eq_enable, S_IWUSR | S_IRUGO, pod_get_eq_enable,
		   pod_set_eq_enable);
static DEVICE_ATTR(tap, S_IWUSR | S_IRUGO, pod_get_tap, pod_set_tap);
static DEVICE_ATTR(volume_tweak_pedal_assign, S_IWUSR | S_IRUGO,
		   pod_get_volume_tweak_pedal_assign,
		   pod_set_volume_tweak_pedal_assign);
static DEVICE_ATTR(band_5_frequency, S_IWUSR | S_IRUGO,
		   pod_get_band_5_frequency, pod_set_band_5_frequency);
static DEVICE_ATTR(tuner, S_IWUSR | S_IRUGO, pod_get_tuner, pod_set_tuner);
static DEVICE_ATTR(mic_selection, S_IWUSR | S_IRUGO, pod_get_mic_selection,
		   pod_set_mic_selection);
static DEVICE_ATTR(cabinet_model, S_IWUSR | S_IRUGO, pod_get_cabinet_model,
		   pod_set_cabinet_model);
static DEVICE_ATTR(stomp_model, S_IWUSR | S_IRUGO, pod_get_stomp_model,
		   pod_set_stomp_model);
static DEVICE_ATTR(roomlevel, S_IWUSR | S_IRUGO, pod_get_roomlevel,
		   pod_set_roomlevel);
static DEVICE_ATTR(band_4_frequency, S_IWUSR | S_IRUGO,
		   pod_get_band_4_frequency, pod_set_band_4_frequency);
static DEVICE_ATTR(band_6_frequency, S_IWUSR | S_IRUGO,
		   pod_get_band_6_frequency, pod_set_band_6_frequency);
static DEVICE_ATTR(stomp_param_1_note_value, S_IWUSR | S_IRUGO,
		   pod_get_stomp_param_1_note_value,
		   pod_set_stomp_param_1_note_value);
static DEVICE_ATTR(stomp_param_2, S_IWUSR | S_IRUGO, pod_get_stomp_param_2,
		   pod_set_stomp_param_2);
static DEVICE_ATTR(stomp_param_3, S_IWUSR | S_IRUGO, pod_get_stomp_param_3,
		   pod_set_stomp_param_3);
static DEVICE_ATTR(stomp_param_4, S_IWUSR | S_IRUGO, pod_get_stomp_param_4,
		   pod_set_stomp_param_4);
static DEVICE_ATTR(stomp_param_5, S_IWUSR | S_IRUGO, pod_get_stomp_param_5,
		   pod_set_stomp_param_5);
static DEVICE_ATTR(stomp_param_6, S_IWUSR | S_IRUGO, pod_get_stomp_param_6,
		   pod_set_stomp_param_6);
static DEVICE_ATTR(amp_switch_select, S_IWUSR | S_IRUGO,
		   pod_get_amp_switch_select, pod_set_amp_switch_select);
static DEVICE_ATTR(delay_param_4, S_IWUSR | S_IRUGO, pod_get_delay_param_4,
		   pod_set_delay_param_4);
static DEVICE_ATTR(delay_param_5, S_IWUSR | S_IRUGO, pod_get_delay_param_5,
		   pod_set_delay_param_5);
static DEVICE_ATTR(delay_pre_post, S_IWUSR | S_IRUGO, pod_get_delay_pre_post,
		   pod_set_delay_pre_post);
static DEVICE_ATTR(delay_model, S_IWUSR | S_IRUGO, pod_get_delay_model,
		   pod_set_delay_model);
static DEVICE_ATTR(delay_verb_model, S_IWUSR | S_IRUGO,
		   pod_get_delay_verb_model, pod_set_delay_verb_model);
static DEVICE_ATTR(tempo_msb, S_IWUSR | S_IRUGO, pod_get_tempo_msb,
		   pod_set_tempo_msb);
static DEVICE_ATTR(tempo_lsb, S_IWUSR | S_IRUGO, pod_get_tempo_lsb,
		   pod_set_tempo_lsb);
static DEVICE_ATTR(wah_model, S_IWUSR | S_IRUGO, pod_get_wah_model,
		   pod_set_wah_model);
static DEVICE_ATTR(bypass_volume, S_IWUSR | S_IRUGO, pod_get_bypass_volume,
		   pod_set_bypass_volume);
static DEVICE_ATTR(fx_loop_on_off, S_IWUSR | S_IRUGO, pod_get_fx_loop_on_off,
		   pod_set_fx_loop_on_off);
static DEVICE_ATTR(tweak_param_select, S_IWUSR | S_IRUGO,
		   pod_get_tweak_param_select, pod_set_tweak_param_select);
static DEVICE_ATTR(amp1_engage, S_IWUSR | S_IRUGO, pod_get_amp1_engage,
		   pod_set_amp1_engage);
static DEVICE_ATTR(band_1_gain, S_IWUSR | S_IRUGO, pod_get_band_1_gain,
		   pod_set_band_1_gain);
static DEVICE_ATTR2(band_2_gain__bass, band_2_gain, S_IWUSR | S_IRUGO,
		    pod_get_band_2_gain__bass, pod_set_band_2_gain__bass);
static DEVICE_ATTR(band_2_gain, S_IWUSR | S_IRUGO, pod_get_band_2_gain,
		   pod_set_band_2_gain);
static DEVICE_ATTR2(band_3_gain__bass, band_3_gain, S_IWUSR | S_IRUGO,
		    pod_get_band_3_gain__bass, pod_set_band_3_gain__bass);
static DEVICE_ATTR(band_3_gain, S_IWUSR | S_IRUGO, pod_get_band_3_gain,
		   pod_set_band_3_gain);
static DEVICE_ATTR2(band_4_gain__bass, band_4_gain, S_IWUSR | S_IRUGO,
		    pod_get_band_4_gain__bass, pod_set_band_4_gain__bass);
static DEVICE_ATTR2(band_5_gain__bass, band_5_gain, S_IWUSR | S_IRUGO,
		    pod_get_band_5_gain__bass, pod_set_band_5_gain__bass);
static DEVICE_ATTR(band_4_gain, S_IWUSR | S_IRUGO, pod_get_band_4_gain,
		   pod_set_band_4_gain);
static DEVICE_ATTR2(band_6_gain__bass, band_6_gain, S_IWUSR | S_IRUGO,
		    pod_get_band_6_gain__bass, pod_set_band_6_gain__bass);
static DEVICE_ATTR(body, S_IRUGO, variax_get_body, line6_nop_write);
static DEVICE_ATTR(pickup1_enable, S_IRUGO, variax_get_pickup1_enable,
		   line6_nop_write);
static DEVICE_ATTR(pickup1_type, S_IRUGO, variax_get_pickup1_type,
		   line6_nop_write);
static DEVICE_ATTR(pickup1_position, S_IRUGO, variax_get_pickup1_position,
		   line6_nop_write);
static DEVICE_ATTR(pickup1_angle, S_IRUGO, variax_get_pickup1_angle,
		   line6_nop_write);
static DEVICE_ATTR(pickup1_level, S_IRUGO, variax_get_pickup1_level,
		   line6_nop_write);
static DEVICE_ATTR(pickup2_enable, S_IRUGO, variax_get_pickup2_enable,
		   line6_nop_write);
static DEVICE_ATTR(pickup2_type, S_IRUGO, variax_get_pickup2_type,
		   line6_nop_write);
static DEVICE_ATTR(pickup2_position, S_IRUGO, variax_get_pickup2_position,
		   line6_nop_write);
static DEVICE_ATTR(pickup2_angle, S_IRUGO, variax_get_pickup2_angle,
		   line6_nop_write);
static DEVICE_ATTR(pickup2_level, S_IRUGO, variax_get_pickup2_level,
		   line6_nop_write);
static DEVICE_ATTR(pickup_phase, S_IRUGO, variax_get_pickup_phase,
		   line6_nop_write);
static DEVICE_ATTR(capacitance, S_IRUGO, variax_get_capacitance,
		   line6_nop_write);
static DEVICE_ATTR(tone_resistance, S_IRUGO, variax_get_tone_resistance,
		   line6_nop_write);
static DEVICE_ATTR(volume_resistance, S_IRUGO, variax_get_volume_resistance,
		   line6_nop_write);
static DEVICE_ATTR(taper, S_IRUGO, variax_get_taper, line6_nop_write);
static DEVICE_ATTR(tone_dump, S_IRUGO, variax_get_tone_dump, line6_nop_write);
static DEVICE_ATTR(save_tone, S_IRUGO, variax_get_save_tone, line6_nop_write);
static DEVICE_ATTR(volume_dump, S_IRUGO, variax_get_volume_dump,
		   line6_nop_write);
static DEVICE_ATTR(tuning_enable, S_IRUGO, variax_get_tuning_enable,
		   line6_nop_write);
static DEVICE_ATTR(tuning6, S_IRUGO, variax_get_tuning6, line6_nop_write);
static DEVICE_ATTR(tuning5, S_IRUGO, variax_get_tuning5, line6_nop_write);
static DEVICE_ATTR(tuning4, S_IRUGO, variax_get_tuning4, line6_nop_write);
static DEVICE_ATTR(tuning3, S_IRUGO, variax_get_tuning3, line6_nop_write);
static DEVICE_ATTR(tuning2, S_IRUGO, variax_get_tuning2, line6_nop_write);
static DEVICE_ATTR(tuning1, S_IRUGO, variax_get_tuning1, line6_nop_write);
static DEVICE_ATTR(detune6, S_IRUGO, variax_get_detune6, line6_nop_write);
static DEVICE_ATTR(detune5, S_IRUGO, variax_get_detune5, line6_nop_write);
static DEVICE_ATTR(detune4, S_IRUGO, variax_get_detune4, line6_nop_write);
static DEVICE_ATTR(detune3, S_IRUGO, variax_get_detune3, line6_nop_write);
static DEVICE_ATTR(detune2, S_IRUGO, variax_get_detune2, line6_nop_write);
static DEVICE_ATTR(detune1, S_IRUGO, variax_get_detune1, line6_nop_write);
static DEVICE_ATTR(mix6, S_IRUGO, variax_get_mix6, line6_nop_write);
static DEVICE_ATTR(mix5, S_IRUGO, variax_get_mix5, line6_nop_write);
static DEVICE_ATTR(mix4, S_IRUGO, variax_get_mix4, line6_nop_write);
static DEVICE_ATTR(mix3, S_IRUGO, variax_get_mix3, line6_nop_write);
static DEVICE_ATTR(mix2, S_IRUGO, variax_get_mix2, line6_nop_write);
static DEVICE_ATTR(mix1, S_IRUGO, variax_get_mix1, line6_nop_write);
static DEVICE_ATTR(pickup_wiring, S_IRUGO, variax_get_pickup_wiring,
		   line6_nop_write);

int line6_pod_create_files(int firmware, int type, struct device *dev)
{
	int err;
	CHECK_RETURN(device_create_file(dev, &dev_attr_tweak));
	CHECK_RETURN(device_create_file(dev, &dev_attr_wah_position));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file
			     (dev, &dev_attr_compression_gain));
	CHECK_RETURN(device_create_file(dev, &dev_attr_vol_pedal_position));
	CHECK_RETURN(device_create_file(dev, &dev_attr_compression_threshold));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pan));
	CHECK_RETURN(device_create_file(dev, &dev_attr_amp_model_setup));
	if (firmware >= 200)
		CHECK_RETURN(device_create_file(dev, &dev_attr_amp_model));
	CHECK_RETURN(device_create_file(dev, &dev_attr_drive));
	CHECK_RETURN(device_create_file(dev, &dev_attr_bass));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_mid));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_lowmid));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_treble));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_highmid));
	CHECK_RETURN(device_create_file(dev, &dev_attr_chan_vol));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_reverb_mix));
	CHECK_RETURN(device_create_file(dev, &dev_attr_effect_setup));
	if (firmware >= 200)
		CHECK_RETURN(device_create_file
			     (dev, &dev_attr_band_1_frequency));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_presence));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_treble__bass));
	CHECK_RETURN(device_create_file(dev, &dev_attr_noise_gate_enable));
	CHECK_RETURN(device_create_file(dev, &dev_attr_gate_threshold));
	CHECK_RETURN(device_create_file(dev, &dev_attr_gate_decay_time));
	CHECK_RETURN(device_create_file(dev, &dev_attr_stomp_enable));
	CHECK_RETURN(device_create_file(dev, &dev_attr_comp_enable));
	CHECK_RETURN(device_create_file(dev, &dev_attr_stomp_time));
	CHECK_RETURN(device_create_file(dev, &dev_attr_delay_enable));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mod_param_1));
	CHECK_RETURN(device_create_file(dev, &dev_attr_delay_param_1));
	CHECK_RETURN(device_create_file
		     (dev, &dev_attr_delay_param_1_note_value));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_2_frequency__bass));
	CHECK_RETURN(device_create_file(dev, &dev_attr_delay_param_2));
	CHECK_RETURN(device_create_file(dev, &dev_attr_delay_volume_mix));
	CHECK_RETURN(device_create_file(dev, &dev_attr_delay_param_3));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_reverb_enable));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_reverb_type));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_reverb_decay));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_reverb_tone));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file
			     (dev, &dev_attr_reverb_pre_delay));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file
			     (dev, &dev_attr_reverb_pre_post));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_2_frequency));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_3_frequency__bass));
	CHECK_RETURN(device_create_file(dev, &dev_attr_wah_enable));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		CHECK_RETURN(device_create_file
			     (dev, &dev_attr_modulation_lo_cut));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		CHECK_RETURN(device_create_file
			     (dev, &dev_attr_delay_reverb_lo_cut));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_volume_pedal_minimum));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_eq_pre_post));
	CHECK_RETURN(device_create_file(dev, &dev_attr_volume_pre_post));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_di_model));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_di_delay));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mod_enable));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mod_param_1_note_value));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mod_param_2));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mod_param_3));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mod_param_4));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_mod_param_5));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mod_volume_mix));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mod_pre_post));
	CHECK_RETURN(device_create_file(dev, &dev_attr_modulation_model));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_3_frequency));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_4_frequency__bass));
	CHECK_RETURN(device_create_file
		     (dev, &dev_attr_mod_param_1_double_precision));
	CHECK_RETURN(device_create_file
		     (dev, &dev_attr_delay_param_1_double_precision));
	if (firmware >= 200)
		CHECK_RETURN(device_create_file(dev, &dev_attr_eq_enable));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tap));
	CHECK_RETURN(device_create_file
		     (dev, &dev_attr_volume_tweak_pedal_assign));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_5_frequency));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tuner));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mic_selection));
	CHECK_RETURN(device_create_file(dev, &dev_attr_cabinet_model));
	CHECK_RETURN(device_create_file(dev, &dev_attr_stomp_model));
	CHECK_RETURN(device_create_file(dev, &dev_attr_roomlevel));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_4_frequency));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_6_frequency));
	CHECK_RETURN(device_create_file
		     (dev, &dev_attr_stomp_param_1_note_value));
	CHECK_RETURN(device_create_file(dev, &dev_attr_stomp_param_2));
	CHECK_RETURN(device_create_file(dev, &dev_attr_stomp_param_3));
	CHECK_RETURN(device_create_file(dev, &dev_attr_stomp_param_4));
	CHECK_RETURN(device_create_file(dev, &dev_attr_stomp_param_5));
	CHECK_RETURN(device_create_file(dev, &dev_attr_stomp_param_6));
	if ((type & (LINE6_BITS_LIVE)) != 0)
		CHECK_RETURN(device_create_file
			     (dev, &dev_attr_amp_switch_select));
	CHECK_RETURN(device_create_file(dev, &dev_attr_delay_param_4));
	CHECK_RETURN(device_create_file(dev, &dev_attr_delay_param_5));
	CHECK_RETURN(device_create_file(dev, &dev_attr_delay_pre_post));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_delay_model));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		CHECK_RETURN(device_create_file
			     (dev, &dev_attr_delay_verb_model));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tempo_msb));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tempo_lsb));
	if (firmware >= 300)
		CHECK_RETURN(device_create_file(dev, &dev_attr_wah_model));
	if (firmware >= 214)
		CHECK_RETURN(device_create_file(dev, &dev_attr_bypass_volume));
	if ((type & (LINE6_BITS_PRO)) != 0)
		CHECK_RETURN(device_create_file(dev, &dev_attr_fx_loop_on_off));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tweak_param_select));
	CHECK_RETURN(device_create_file(dev, &dev_attr_amp1_engage));
	if (firmware >= 200)
		CHECK_RETURN(device_create_file(dev, &dev_attr_band_1_gain));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_2_gain__bass));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_2_gain));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_3_gain__bass));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_3_gain));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_4_gain__bass));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_5_gain__bass));
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_4_gain));
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			CHECK_RETURN(device_create_file
				     (dev, &dev_attr_band_6_gain__bass));
	return 0;
}

void line6_pod_remove_files(int firmware, int type, struct device *dev)
{
	device_remove_file(dev, &dev_attr_tweak);
	device_remove_file(dev, &dev_attr_wah_position);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_compression_gain);
	device_remove_file(dev, &dev_attr_vol_pedal_position);
	device_remove_file(dev, &dev_attr_compression_threshold);
	device_remove_file(dev, &dev_attr_pan);
	device_remove_file(dev, &dev_attr_amp_model_setup);
	if (firmware >= 200)
		device_remove_file(dev, &dev_attr_amp_model);
	device_remove_file(dev, &dev_attr_drive);
	device_remove_file(dev, &dev_attr_bass);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_mid);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_lowmid);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_treble);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_highmid);
	device_remove_file(dev, &dev_attr_chan_vol);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_reverb_mix);
	device_remove_file(dev, &dev_attr_effect_setup);
	if (firmware >= 200)
		device_remove_file(dev, &dev_attr_band_1_frequency);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_presence);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_treble__bass);
	device_remove_file(dev, &dev_attr_noise_gate_enable);
	device_remove_file(dev, &dev_attr_gate_threshold);
	device_remove_file(dev, &dev_attr_gate_decay_time);
	device_remove_file(dev, &dev_attr_stomp_enable);
	device_remove_file(dev, &dev_attr_comp_enable);
	device_remove_file(dev, &dev_attr_stomp_time);
	device_remove_file(dev, &dev_attr_delay_enable);
	device_remove_file(dev, &dev_attr_mod_param_1);
	device_remove_file(dev, &dev_attr_delay_param_1);
	device_remove_file(dev, &dev_attr_delay_param_1_note_value);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev,
					   &dev_attr_band_2_frequency__bass);
	device_remove_file(dev, &dev_attr_delay_param_2);
	device_remove_file(dev, &dev_attr_delay_volume_mix);
	device_remove_file(dev, &dev_attr_delay_param_3);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_reverb_enable);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_reverb_type);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_reverb_decay);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_reverb_tone);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_reverb_pre_delay);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_reverb_pre_post);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_2_frequency);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev,
					   &dev_attr_band_3_frequency__bass);
	device_remove_file(dev, &dev_attr_wah_enable);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_modulation_lo_cut);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_delay_reverb_lo_cut);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_volume_pedal_minimum);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_eq_pre_post);
	device_remove_file(dev, &dev_attr_volume_pre_post);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_di_model);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_di_delay);
	device_remove_file(dev, &dev_attr_mod_enable);
	device_remove_file(dev, &dev_attr_mod_param_1_note_value);
	device_remove_file(dev, &dev_attr_mod_param_2);
	device_remove_file(dev, &dev_attr_mod_param_3);
	device_remove_file(dev, &dev_attr_mod_param_4);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_mod_param_5);
	device_remove_file(dev, &dev_attr_mod_volume_mix);
	device_remove_file(dev, &dev_attr_mod_pre_post);
	device_remove_file(dev, &dev_attr_modulation_model);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_3_frequency);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev,
					   &dev_attr_band_4_frequency__bass);
	device_remove_file(dev, &dev_attr_mod_param_1_double_precision);
	device_remove_file(dev, &dev_attr_delay_param_1_double_precision);
	if (firmware >= 200)
		device_remove_file(dev, &dev_attr_eq_enable);
	device_remove_file(dev, &dev_attr_tap);
	device_remove_file(dev, &dev_attr_volume_tweak_pedal_assign);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_5_frequency);
	device_remove_file(dev, &dev_attr_tuner);
	device_remove_file(dev, &dev_attr_mic_selection);
	device_remove_file(dev, &dev_attr_cabinet_model);
	device_remove_file(dev, &dev_attr_stomp_model);
	device_remove_file(dev, &dev_attr_roomlevel);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_4_frequency);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_6_frequency);
	device_remove_file(dev, &dev_attr_stomp_param_1_note_value);
	device_remove_file(dev, &dev_attr_stomp_param_2);
	device_remove_file(dev, &dev_attr_stomp_param_3);
	device_remove_file(dev, &dev_attr_stomp_param_4);
	device_remove_file(dev, &dev_attr_stomp_param_5);
	device_remove_file(dev, &dev_attr_stomp_param_6);
	if ((type & (LINE6_BITS_LIVE)) != 0)
		device_remove_file(dev, &dev_attr_amp_switch_select);
	device_remove_file(dev, &dev_attr_delay_param_4);
	device_remove_file(dev, &dev_attr_delay_param_5);
	device_remove_file(dev, &dev_attr_delay_pre_post);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_delay_model);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		device_remove_file(dev, &dev_attr_delay_verb_model);
	device_remove_file(dev, &dev_attr_tempo_msb);
	device_remove_file(dev, &dev_attr_tempo_lsb);
	if (firmware >= 300)
		device_remove_file(dev, &dev_attr_wah_model);
	if (firmware >= 214)
		device_remove_file(dev, &dev_attr_bypass_volume);
	if ((type & (LINE6_BITS_PRO)) != 0)
		device_remove_file(dev, &dev_attr_fx_loop_on_off);
	device_remove_file(dev, &dev_attr_tweak_param_select);
	device_remove_file(dev, &dev_attr_amp1_engage);
	if (firmware >= 200)
		device_remove_file(dev, &dev_attr_band_1_gain);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_2_gain__bass);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_2_gain);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_3_gain__bass);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_3_gain);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_4_gain__bass);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_5_gain__bass);
	if ((type & (LINE6_BITS_PODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_4_gain);
	if ((type & (LINE6_BITS_BASSPODXTALL)) != 0)
		if (firmware >= 200)
			device_remove_file(dev, &dev_attr_band_6_gain__bass);
}

int line6_variax_create_files(int firmware, int type, struct device *dev)
{
	int err;
	CHECK_RETURN(device_create_file(dev, &dev_attr_body));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup1_enable));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup1_type));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup1_position));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup1_angle));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup1_level));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup2_enable));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup2_type));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup2_position));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup2_angle));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup2_level));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup_phase));
	CHECK_RETURN(device_create_file(dev, &dev_attr_capacitance));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tone_resistance));
	CHECK_RETURN(device_create_file(dev, &dev_attr_volume_resistance));
	CHECK_RETURN(device_create_file(dev, &dev_attr_taper));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tone_dump));
	CHECK_RETURN(device_create_file(dev, &dev_attr_save_tone));
	CHECK_RETURN(device_create_file(dev, &dev_attr_volume_dump));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tuning_enable));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tuning6));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tuning5));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tuning4));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tuning3));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tuning2));
	CHECK_RETURN(device_create_file(dev, &dev_attr_tuning1));
	CHECK_RETURN(device_create_file(dev, &dev_attr_detune6));
	CHECK_RETURN(device_create_file(dev, &dev_attr_detune5));
	CHECK_RETURN(device_create_file(dev, &dev_attr_detune4));
	CHECK_RETURN(device_create_file(dev, &dev_attr_detune3));
	CHECK_RETURN(device_create_file(dev, &dev_attr_detune2));
	CHECK_RETURN(device_create_file(dev, &dev_attr_detune1));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mix6));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mix5));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mix4));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mix3));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mix2));
	CHECK_RETURN(device_create_file(dev, &dev_attr_mix1));
	CHECK_RETURN(device_create_file(dev, &dev_attr_pickup_wiring));
	return 0;
}

void line6_variax_remove_files(int firmware, int type, struct device *dev)
{
	device_remove_file(dev, &dev_attr_body);
	device_remove_file(dev, &dev_attr_pickup1_enable);
	device_remove_file(dev, &dev_attr_pickup1_type);
	device_remove_file(dev, &dev_attr_pickup1_position);
	device_remove_file(dev, &dev_attr_pickup1_angle);
	device_remove_file(dev, &dev_attr_pickup1_level);
	device_remove_file(dev, &dev_attr_pickup2_enable);
	device_remove_file(dev, &dev_attr_pickup2_type);
	device_remove_file(dev, &dev_attr_pickup2_position);
	device_remove_file(dev, &dev_attr_pickup2_angle);
	device_remove_file(dev, &dev_attr_pickup2_level);
	device_remove_file(dev, &dev_attr_pickup_phase);
	device_remove_file(dev, &dev_attr_capacitance);
	device_remove_file(dev, &dev_attr_tone_resistance);
	device_remove_file(dev, &dev_attr_volume_resistance);
	device_remove_file(dev, &dev_attr_taper);
	device_remove_file(dev, &dev_attr_tone_dump);
	device_remove_file(dev, &dev_attr_save_tone);
	device_remove_file(dev, &dev_attr_volume_dump);
	device_remove_file(dev, &dev_attr_tuning_enable);
	device_remove_file(dev, &dev_attr_tuning6);
	device_remove_file(dev, &dev_attr_tuning5);
	device_remove_file(dev, &dev_attr_tuning4);
	device_remove_file(dev, &dev_attr_tuning3);
	device_remove_file(dev, &dev_attr_tuning2);
	device_remove_file(dev, &dev_attr_tuning1);
	device_remove_file(dev, &dev_attr_detune6);
	device_remove_file(dev, &dev_attr_detune5);
	device_remove_file(dev, &dev_attr_detune4);
	device_remove_file(dev, &dev_attr_detune3);
	device_remove_file(dev, &dev_attr_detune2);
	device_remove_file(dev, &dev_attr_detune1);
	device_remove_file(dev, &dev_attr_mix6);
	device_remove_file(dev, &dev_attr_mix5);
	device_remove_file(dev, &dev_attr_mix4);
	device_remove_file(dev, &dev_attr_mix3);
	device_remove_file(dev, &dev_attr_mix2);
	device_remove_file(dev, &dev_attr_mix1);
	device_remove_file(dev, &dev_attr_pickup_wiring);
}