// SPDX-License-Identifier: GPL-2.0-or-later /* * USB Synaptics device driver * * Copyright (c) 2002 Rob Miller (rob@inpharmatica . co . uk) * Copyright (c) 2003 Ron Lee ([email protected]) * cPad driver for kernel 2.4 * * Copyright (c) 2004 Jan Steinhoff (cpad@jan-steinhoff . de) * Copyright (c) 2004 Ron Lee ([email protected]) * rewritten for kernel 2.6 * * cPad display character device part is not included. It can be found at * http://jan-steinhoff.de/linux/synaptics-usb.html * * Bases on: usb_skeleton.c v2.2 by Greg Kroah-Hartman * drivers/hid/usbhid/usbmouse.c by Vojtech Pavlik * drivers/input/mouse/synaptics.c by Peter Osterlund * * Trademarks are the property of their respective owners. */ /* * There are three different types of Synaptics USB devices: Touchpads, * touchsticks (or trackpoints), and touchscreens. Touchpads are well supported * by this driver, touchstick support has not been tested much yet, and * touchscreens have not been tested at all. * * Up to three alternate settings are possible: * setting 0: one int endpoint for relative movement (used by usbhid.ko) * setting 1: one int endpoint for absolute finger position * setting 2 (cPad only): one int endpoint for absolute finger position and * two bulk endpoints for the display (in/out) * This driver uses setting 1. */ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/usb.h> #include <linux/input.h> #include <linux/usb/input.h> #define USB_VENDOR_ID_SYNAPTICS … #define USB_DEVICE_ID_SYNAPTICS_TP … #define USB_DEVICE_ID_SYNAPTICS_INT_TP … #define USB_DEVICE_ID_SYNAPTICS_CPAD … #define USB_DEVICE_ID_SYNAPTICS_TS … #define USB_DEVICE_ID_SYNAPTICS_STICK … #define USB_DEVICE_ID_SYNAPTICS_WP … #define USB_DEVICE_ID_SYNAPTICS_COMP_TP … #define USB_DEVICE_ID_SYNAPTICS_WTP … #define USB_DEVICE_ID_SYNAPTICS_DPAD … #define SYNUSB_TOUCHPAD … #define SYNUSB_STICK … #define SYNUSB_TOUCHSCREEN … #define SYNUSB_AUXDISPLAY … #define SYNUSB_COMBO … #define SYNUSB_IO_ALWAYS … #define USB_DEVICE_SYNAPTICS(prod, kind) … #define SYNUSB_RECV_SIZE … #define XMIN_NOMINAL … #define XMAX_NOMINAL … #define YMIN_NOMINAL … #define YMAX_NOMINAL … struct synusb { … }; static void synusb_report_buttons(struct synusb *synusb) { … } static void synusb_report_stick(struct synusb *synusb) { … } static void synusb_report_touchpad(struct synusb *synusb) { … } static void synusb_irq(struct urb *urb) { … } static struct usb_endpoint_descriptor * synusb_get_in_endpoint(struct usb_host_interface *iface) { … } static int synusb_open(struct input_dev *dev) { … } static void synusb_close(struct input_dev *dev) { … } static int synusb_probe(struct usb_interface *intf, const struct usb_device_id *id) { … } static void synusb_disconnect(struct usb_interface *intf) { … } static int synusb_suspend(struct usb_interface *intf, pm_message_t message) { … } static int synusb_resume(struct usb_interface *intf) { … } static int synusb_pre_reset(struct usb_interface *intf) { … } static int synusb_post_reset(struct usb_interface *intf) { … } static int synusb_reset_resume(struct usb_interface *intf) { … } static const struct usb_device_id synusb_idtable[] = …; MODULE_DEVICE_TABLE(usb, synusb_idtable); static struct usb_driver synusb_driver = …; module_usb_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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