linux/drivers/input/touchscreen/touchright.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Touchright serial touchscreen driver
 *
 * Copyright (c) 2006 Rick Koch <[email protected]>
 *
 * Based on MicroTouch driver (drivers/input/touchscreen/mtouch.c)
 * Copyright (c) 2004 Vojtech Pavlik
 * and Dan Streetman <[email protected]>
 */


#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/serio.h>

#define DRIVER_DESC …

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…);
MODULE_LICENSE(…) …;

/*
 * Definitions & global arrays.
 */

#define TR_FORMAT_TOUCH_BIT …
#define TR_FORMAT_STATUS_BYTE …
#define TR_FORMAT_STATUS_MASK …

#define TR_LENGTH …

#define TR_MIN_XC …
#define TR_MAX_XC …
#define TR_MIN_YC …
#define TR_MAX_YC …

/*
 * Per-touchscreen data.
 */

struct tr { … };

static irqreturn_t tr_interrupt(struct serio *serio,
		unsigned char data, unsigned int flags)
{ … }

/*
 * tr_disconnect() is the opposite of tr_connect()
 */

static void tr_disconnect(struct serio *serio)
{ … }

/*
 * tr_connect() is the routine that is called when someone adds a
 * new serio device that supports the Touchright protocol and registers it as
 * an input device.
 */

static int tr_connect(struct serio *serio, struct serio_driver *drv)
{ … }

/*
 * The serio driver structure.
 */

static const struct serio_device_id tr_serio_ids[] = …;

MODULE_DEVICE_TABLE(serio, tr_serio_ids);

static struct serio_driver tr_drv = …;

module_serio_driver(…) …;