// SPDX-License-Identifier: GPL-2.0-only /* * iNexio serial touchscreen driver * * Copyright (c) 2008 Richard Lemon * Based on the mtouch driver (c) Vojtech Pavlik and Dan Streetman */ /* * 2008/06/19 Richard Lemon <[email protected]> * Copied mtouch.c and edited for iNexio protocol */ #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 INEXIO_FORMAT_TOUCH_BIT … #define INEXIO_FORMAT_LENGTH … #define INEXIO_RESPONSE_BEGIN_BYTE … /* todo: check specs for max length of all responses */ #define INEXIO_MAX_LENGTH … #define INEXIO_MIN_XC … #define INEXIO_MAX_XC … #define INEXIO_MIN_YC … #define INEXIO_MAX_YC … #define INEXIO_GET_XC(data) … #define INEXIO_GET_YC(data) … #define INEXIO_GET_TOUCHED(data) … /* * Per-touchscreen data. */ struct inexio { … }; static void inexio_process_data(struct inexio *pinexio) { … } static irqreturn_t inexio_interrupt(struct serio *serio, unsigned char data, unsigned int flags) { … } /* * inexio_disconnect() is the opposite of inexio_connect() */ static void inexio_disconnect(struct serio *serio) { … } /* * inexio_connect() is the routine that is called when someone adds a * new serio device that supports iNexio protocol and registers it as * an input device. This is usually accomplished using inputattach. */ static int inexio_connect(struct serio *serio, struct serio_driver *drv) { … } /* * The serio driver structure. */ static const struct serio_device_id inexio_serio_ids[] = …; MODULE_DEVICE_TABLE(serio, inexio_serio_ids); static struct serio_driver inexio_drv = …; module_serio_driver(…) …;
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