linux/drivers/input/touchscreen/88pm860x-ts.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Touchscreen driver for Marvell 88PM860x
 *
 * Copyright (C) 2009 Marvell International Ltd.
 * 	Haojian Zhuang <[email protected]>
 */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/mfd/88pm860x.h>
#include <linux/slab.h>
#include <linux/device.h>

#define MEAS_LEN …
#define ACCURATE_BIT …

/* touch register */
#define MEAS_EN3 …

#define MEAS_TSIX_1 …
#define MEAS_TSIX_2 …
#define MEAS_TSIY_1 …
#define MEAS_TSIY_2 …
#define MEAS_TSIZ1_1 …
#define MEAS_TSIZ1_2 …
#define MEAS_TSIZ2_1 …
#define MEAS_TSIZ2_2 …

/* bit definitions of touch */
#define MEAS_PD_EN …
#define MEAS_TSIX_EN …
#define MEAS_TSIY_EN …
#define MEAS_TSIZ1_EN …
#define MEAS_TSIZ2_EN …

struct pm860x_touch { … };

static irqreturn_t pm860x_touch_handler(int irq, void *data)
{ … }

static int pm860x_touch_open(struct input_dev *dev)
{ … }

static void pm860x_touch_close(struct input_dev *dev)
{ … }

#ifdef CONFIG_OF
static int pm860x_touch_dt_init(struct platform_device *pdev,
					  struct pm860x_chip *chip,
					  int *res_x)
{ … }
#else
#define pm860x_touch_dt_init …
#endif

static int pm860x_touch_probe(struct platform_device *pdev)
{ … }

static struct platform_driver pm860x_touch_driver = …;
module_platform_driver(…) …;

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