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

// SPDX-License-Identifier: GPL-2.0
/*
 * Raspberry Pi firmware based touchscreen driver
 *
 * Copyright (C) 2015, 2017 Raspberry Pi
 * Copyright (C) 2018 Nicolas Saenz Julienne <[email protected]>
 */

#include <linux/io.h>
#include <linux/of.h>
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/bitops.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/input/touchscreen.h>
#include <soc/bcm2835/raspberrypi-firmware.h>

#define RPI_TS_DEFAULT_WIDTH …
#define RPI_TS_DEFAULT_HEIGHT …

#define RPI_TS_MAX_SUPPORTED_POINTS …

#define RPI_TS_FTS_TOUCH_DOWN …
#define RPI_TS_FTS_TOUCH_CONTACT …

#define RPI_TS_POLL_INTERVAL …

#define RPI_TS_NPOINTS_REG_INVALIDATE …

struct rpi_ts { … };

struct rpi_ts_regs { … };

static void rpi_ts_poll(struct input_dev *input)
{ … }

static void rpi_ts_dma_cleanup(void *data)
{ … }

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

static const struct of_device_id rpi_ts_match[] = …;
MODULE_DEVICE_TABLE(of, rpi_ts_match);

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

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