linux/sound/usb/caiaq/input.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *   Copyright (c) 2006,2007 Daniel Mack, Tim Ruetz
*/

#include <linux/device.h>
#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/usb.h>
#include <linux/usb/input.h>
#include <sound/core.h>
#include <sound/pcm.h>

#include "device.h"
#include "input.h"

static const unsigned short keycode_ak1[] = …;
static const unsigned short keycode_rk2[] = …;
static const unsigned short keycode_rk3[] = …;

static const unsigned short keycode_kore[] = …;

#define MASCHINE_BUTTONS …
#define MASCHINE_BUTTON(X) …
#define MASCHINE_PADS …
#define MASCHINE_PAD(X) …

static const unsigned short keycode_maschine[] = …;

#define KONTROLX1_INPUTS …
#define KONTROLS4_BUTTONS …
#define KONTROLS4_AXIS …

#define KONTROLS4_BUTTON(X) …
#define KONTROLS4_ABS(X) …

#define DEG90 …
#define DEG180 …
#define DEG270 …
#define DEG360 …
#define HIGH_PEAK …
#define LOW_PEAK …

/* some of these devices have endless rotation potentiometers
 * built in which use two tapers, 90 degrees phase shifted.
 * this algorithm decodes them to one single value, ranging
 * from 0 to 999 */
static unsigned int decode_erp(unsigned char a, unsigned char b)
{ … }

#undef DEG90
#undef DEG180
#undef DEG270
#undef DEG360
#undef HIGH_PEAK
#undef LOW_PEAK

static inline void snd_caiaq_input_report_abs(struct snd_usb_caiaqdev *cdev,
					      int axis, const unsigned char *buf,
					      int offset)
{ … }

static void snd_caiaq_input_read_analog(struct snd_usb_caiaqdev *cdev,
					const unsigned char *buf,
					unsigned int len)
{ … }

static void snd_caiaq_input_read_erp(struct snd_usb_caiaqdev *cdev,
				     const char *buf, unsigned int len)
{ … }

static void snd_caiaq_input_read_io(struct snd_usb_caiaqdev *cdev,
				    unsigned char *buf, unsigned int len)
{ … }

#define TKS4_MSGBLOCK_SIZE …

static void snd_usb_caiaq_tks4_dispatch(struct snd_usb_caiaqdev *cdev,
					const unsigned char *buf,
					unsigned int len)
{ … }

#define MASCHINE_MSGBLOCK_SIZE …

static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *cdev,
					const unsigned char *buf,
					unsigned int len)
{ … }

static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb)
{ … }

static int snd_usb_caiaq_input_open(struct input_dev *idev)
{ … }

static void snd_usb_caiaq_input_close(struct input_dev *idev)
{ … }

void snd_usb_caiaq_input_dispatch(struct snd_usb_caiaqdev *cdev,
				  char *buf,
				  unsigned int len)
{ … }

int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
{ … }

void snd_usb_caiaq_input_free(struct snd_usb_caiaqdev *cdev)
{ … }