linux/drivers/input/touchscreen/da9034-ts.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Touchscreen driver for Dialog Semiconductor DA9034
 *
 * Copyright (C) 2006-2008 Marvell International Ltd.
 *	Fengwei Yin <[email protected]>
 *	Bin Yang  <[email protected]>
 *	Eric Miao <[email protected]>
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/workqueue.h>
#include <linux/mfd/da903x.h>
#include <linux/slab.h>

#define DA9034_MANUAL_CTRL …
#define DA9034_LDO_ADC_EN …

#define DA9034_AUTO_CTRL1 …

#define DA9034_AUTO_CTRL2 …
#define DA9034_AUTO_TSI_EN …
#define DA9034_PEN_DETECT …

#define DA9034_TSI_CTRL1 …
#define DA9034_TSI_CTRL2 …
#define DA9034_TSI_X_MSB …
#define DA9034_TSI_Y_MSB …
#define DA9034_TSI_XY_LSB …

enum { … };

enum { … };

struct da9034_touch { … };

static inline int is_pen_down(struct da9034_touch *touch)
{ … }

static inline int detect_pen_down(struct da9034_touch *touch, int on)
{ … }

static int read_tsi(struct da9034_touch *touch)
{ … }

static inline int start_tsi(struct da9034_touch *touch)
{ … }

static inline int stop_tsi(struct da9034_touch *touch)
{ … }

static inline void report_pen_down(struct da9034_touch *touch)
{ … }

static inline void report_pen_up(struct da9034_touch *touch)
{ … }

static void da9034_event_handler(struct da9034_touch *touch, int event)
{ … }

static void da9034_tsi_work(struct work_struct *work)
{ … }

static int da9034_touch_notifier(struct notifier_block *nb,
				 unsigned long event, void *data)
{ … }

static int da9034_touch_open(struct input_dev *dev)
{ … }

static void da9034_touch_close(struct input_dev *dev)
{ … }


static int da9034_touch_probe(struct platform_device *pdev)
{ … }

static struct platform_driver da9034_touch_driver = …;
module_platform_driver(…) …;

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