2019-05-27 06:55:01 +00:00
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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2006-07-14 01:01:36 +00:00
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/*
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2007-05-07 20:16:29 +00:00
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* drivers/input/tablet/wacom.h
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2006-07-14 01:01:36 +00:00
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*
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2009-12-15 08:35:24 +00:00
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* USB Wacom tablet support
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2006-07-14 01:01:36 +00:00
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*
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* Copyright (c) 2000-2004 Vojtech Pavlik <vojtech@ucw.cz>
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* Copyright (c) 2000 Andreas Bach Aaen <abach@stofanet.dk>
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* Copyright (c) 2000 Clifford Wolf <clifford@clifford.at>
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* Copyright (c) 2000 Sam Mosel <sam.mosel@computer.org>
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* Copyright (c) 2000 James E. Blair <corvus@gnu.org>
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* Copyright (c) 2000 Daniel Egger <egger@suse.de>
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* Copyright (c) 2001 Frederic Lepied <flepied@mandrakesoft.com>
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* Copyright (c) 2004 Panagiotis Issaris <panagiotis.issaris@mech.kuleuven.ac.be>
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2011-10-05 06:51:14 +00:00
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* Copyright (c) 2002-2011 Ping Cheng <pingc@wacom.com>
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2014-08-06 21:04:23 +00:00
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* Copyright (c) 2014 Benjamin Tissoires <benjamin.tissoires@redhat.com>
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2006-07-14 01:01:36 +00:00
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*
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* ChangeLog:
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* v0.1 (vp) - Initial release
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* v0.2 (aba) - Support for all buttons / combinations
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* v0.3 (vp) - Support for Intuos added
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* v0.4 (sm) - Support for more Intuos models, menustrip
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* relative mode, proximity.
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* v0.5 (vp) - Big cleanup, nifty features removed,
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* they belong in userspace
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* v1.8 (vp) - Submit URB only when operating, moved to CVS,
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* use input_report_key instead of report_btn and
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* other cleanups
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* v1.11 (vp) - Add URB ->dev setting for new kernels
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* v1.11 (jb) - Add support for the 4D Mouse & Lens
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* v1.12 (de) - Add support for two more inking pen IDs
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* v1.14 (vp) - Use new USB device id probing scheme.
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* Fix Wacom Graphire mouse wheel
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* v1.18 (vp) - Fix mouse wheel direction
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* Make mouse relative
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* v1.20 (fl) - Report tool id for Intuos devices
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* - Multi tools support
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* - Corrected Intuos protocol decoding (airbrush, 4D mouse, lens cursor...)
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* - Add PL models support
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* - Fix Wacom Graphire mouse wheel again
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* v1.21 (vp) - Removed protocol descriptions
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* - Added MISC_SERIAL for tool serial numbers
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* (gb) - Identify version on module load.
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* v1.21.1 (fl) - added Graphire2 support
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* v1.21.2 (fl) - added Intuos2 support
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* - added all the PL ids
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* v1.21.3 (fl) - added another eraser id from Neil Okamoto
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* - added smooth filter for Graphire from Peri Hankey
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* - added PenPartner support from Olaf van Es
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* - new tool ids from Ole Martin Bjoerndalen
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* v1.29 (pc) - Add support for more tablets
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* - Fix pressure reporting
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* v1.30 (vp) - Merge 2.4 and 2.5 drivers
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* - Since 2.5 now has input_sync(), remove MSC_SERIAL abuse
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* - Cleanups here and there
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* v1.30.1 (pi) - Added Graphire3 support
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* v1.40 (pc) - Add support for several new devices, fix eraser reporting, ...
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* v1.43 (pc) - Added support for Cintiq 21UX
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* - Fixed a Graphire bug
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* - Merged wacom_intuos3_irq into wacom_intuos_irq
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* v1.44 (pc) - Added support for Graphire4, Cintiq 710, Intuos3 6x11, etc.
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* - Report Device IDs
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* v1.45 (pc) - Added support for DTF 521, Intuos3 12x12 and 12x19
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* - Minor data report fix
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* v1.46 (pc) - Split wacom.c into wacom_sys.c and wacom_wac.c,
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* - where wacom_sys.c deals with system specific code,
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2007-06-15 03:32:48 +00:00
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* - and wacom_wac.c deals with Wacom specific code
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2006-09-26 20:34:47 +00:00
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* - Support Intuos3 4x6
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2007-06-15 03:32:48 +00:00
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* v1.47 (pc) - Added support for Bamboo
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2008-03-13 20:46:46 +00:00
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* v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX
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2008-11-24 16:44:27 +00:00
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* v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A)
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2009-04-28 14:49:54 +00:00
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* v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28
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2009-05-09 01:30:33 +00:00
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* v1.51 (pc) - Added support for Intuos4
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2009-12-15 08:35:24 +00:00
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* v1.52 (pc) - Query Wacom data upon system resume
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2009-12-15 08:35:24 +00:00
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* - add defines for features->type
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2009-12-15 08:35:24 +00:00
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* - add new devices (0x9F, 0xE2, and 0XE3)
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2014-08-06 21:04:23 +00:00
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* v2.00 (bt) - conversion to a HID driver
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* - integration of the Bluetooth devices
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2006-07-14 01:01:36 +00:00
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*/
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/*
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*/
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#ifndef WACOM_H
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#define WACOM_H
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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2010-02-11 07:06:23 +00:00
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#include <linux/mod_devicetable.h>
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2014-09-23 16:08:08 +00:00
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#include <linux/hid.h>
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2016-07-13 16:06:01 +00:00
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#include <linux/kfifo.h>
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2016-07-13 16:06:10 +00:00
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#include <linux/leds.h>
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2006-07-14 01:01:36 +00:00
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#include <linux/usb/input.h>
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2012-03-26 06:26:30 +00:00
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#include <linux/power_supply.h>
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2006-07-14 01:01:36 +00:00
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#include <asm/unaligned.h>
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/*
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* Version Information
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*/
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2014-08-06 21:04:23 +00:00
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#define DRIVER_VERSION "v2.00"
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2006-07-14 01:01:36 +00:00
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#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
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2009-12-15 08:35:24 +00:00
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#define DRIVER_DESC "USB Wacom tablet driver"
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2006-07-14 01:01:36 +00:00
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#define USB_VENDOR_ID_WACOM 0x056a
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2010-12-23 09:19:39 +00:00
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#define USB_VENDOR_ID_LENOVO 0x17ef
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2006-07-14 01:01:36 +00:00
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2016-07-13 16:05:52 +00:00
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enum wacom_worker {
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WACOM_WORKER_WIRELESS,
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WACOM_WORKER_BATTERY,
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2016-07-13 16:06:01 +00:00
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WACOM_WORKER_REMOTE,
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2017-02-15 05:27:18 +00:00
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WACOM_WORKER_MODE_CHANGE,
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2016-07-13 16:05:52 +00:00
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};
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2016-07-13 16:06:10 +00:00
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struct wacom;
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struct wacom_led {
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struct led_classdev cdev;
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struct led_trigger trigger;
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struct wacom *wacom;
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unsigned int group;
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unsigned int id;
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u8 llv;
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u8 hlv;
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bool held;
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};
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2016-07-13 16:06:00 +00:00
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struct wacom_group_leds {
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u8 select; /* status led selector (0..3) */
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2016-07-13 16:06:10 +00:00
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struct wacom_led *leds;
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unsigned int count;
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2016-07-13 16:06:11 +00:00
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struct device *dev;
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2016-07-13 16:06:00 +00:00
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};
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2016-07-13 16:06:08 +00:00
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struct wacom_battery {
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2016-07-13 16:06:17 +00:00
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struct wacom *wacom;
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2016-07-13 16:06:08 +00:00
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struct power_supply_desc bat_desc;
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struct power_supply *battery;
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char bat_name[WACOM_NAME_MAX];
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2017-04-28 16:25:33 +00:00
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int bat_status;
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2016-07-13 16:06:08 +00:00
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int battery_capacity;
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int bat_charging;
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int bat_connected;
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int ps_connected;
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};
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2016-07-13 16:06:02 +00:00
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struct wacom_remote {
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spinlock_t remote_lock;
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struct kfifo remote_fifo;
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struct kobject *remote_dir;
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2016-07-13 16:06:06 +00:00
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struct {
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struct attribute_group group;
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u32 serial;
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2016-07-13 16:06:07 +00:00
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struct input_dev *input;
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bool registered;
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2016-07-13 16:06:08 +00:00
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struct wacom_battery battery;
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2016-07-13 16:06:06 +00:00
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} remotes[WACOM_MAX_REMOTES];
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2016-07-13 16:06:02 +00:00
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};
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2006-07-14 01:01:36 +00:00
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struct wacom {
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struct usb_device *usbdev;
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2008-04-15 05:31:57 +00:00
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struct usb_interface *intf;
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2010-03-20 05:18:15 +00:00
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struct wacom_wac wacom_wac;
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2014-07-24 19:52:23 +00:00
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struct hid_device *hdev;
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2008-04-15 05:31:57 +00:00
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struct mutex lock;
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2016-07-13 16:05:52 +00:00
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struct work_struct wireless_work;
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struct work_struct battery_work;
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2016-07-13 16:06:01 +00:00
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struct work_struct remote_work;
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2017-01-20 15:20:13 +00:00
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struct delayed_work init_work;
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2016-07-13 16:06:02 +00:00
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struct wacom_remote *remote;
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2017-02-15 05:27:18 +00:00
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struct work_struct mode_change_work;
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2017-01-25 20:08:42 +00:00
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bool generic_has_leds;
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2016-07-13 16:06:00 +00:00
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struct wacom_leds {
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struct wacom_group_leds *groups;
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2016-07-13 16:06:10 +00:00
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unsigned int count;
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2011-10-05 06:51:14 +00:00
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u8 llv; /* status led brightness no button (1..127) */
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u8 hlv; /* status led brightness button pressed (1..127) */
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2011-09-07 21:08:54 +00:00
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u8 img_lum; /* OLED matrix display brightness */
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2016-07-13 16:06:10 +00:00
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u8 max_llv; /* maximum brightness of LED (llv) */
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u8 max_hlv; /* maximum brightness of LED (hlv) */
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2011-09-07 21:08:54 +00:00
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} led;
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2016-07-13 16:06:08 +00:00
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struct wacom_battery battery;
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2016-07-13 16:05:55 +00:00
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bool resources;
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2006-07-14 01:01:36 +00:00
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};
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2016-07-13 16:05:52 +00:00
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static inline void wacom_schedule_work(struct wacom_wac *wacom_wac,
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enum wacom_worker which)
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2012-03-26 06:26:20 +00:00
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{
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struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
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2016-07-13 16:05:52 +00:00
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switch (which) {
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case WACOM_WORKER_WIRELESS:
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schedule_work(&wacom->wireless_work);
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break;
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case WACOM_WORKER_BATTERY:
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schedule_work(&wacom->battery_work);
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break;
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2016-07-13 16:06:01 +00:00
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case WACOM_WORKER_REMOTE:
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schedule_work(&wacom->remote_work);
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break;
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2017-02-15 05:27:18 +00:00
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case WACOM_WORKER_MODE_CHANGE:
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schedule_work(&wacom->mode_change_work);
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break;
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2016-07-13 16:05:52 +00:00
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}
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2012-03-26 06:26:20 +00:00
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}
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2014-07-24 19:52:23 +00:00
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extern const struct hid_device_id wacom_ids[];
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2010-02-11 07:06:23 +00:00
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2010-03-20 05:18:15 +00:00
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void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len);
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2015-04-15 23:53:54 +00:00
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void wacom_setup_device_quirks(struct wacom *wacom);
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2015-06-16 01:01:44 +00:00
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int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
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struct wacom_wac *wacom_wac);
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int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
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2012-04-30 04:09:18 +00:00
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struct wacom_wac *wacom_wac);
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Input: wacom - create a separate input device for pads
Currently, the pad events are sent through the stylus input device
for the Intuos/Cintiqs, and through the touch input device for the
Bamboos.
To differentiate the buttons pressed on the pad from the ones pressed
on the stylus, the Intuos/Cintiq uses MISC_SERIAL and ABS_MISC. This
lead to a multiplexing of the events into one device, which are then
splitted out in xf86-input-wacom. Bamboos are not using MISC events
because the pad is attached to the touch interface, and only BTN_TOUCH
is used for the finger (and DOUBLE_TAP, etc...). However, the user space
driver still splits out the pad from the touch interface in the same
way it does for the pro line devices.
The other problem we can see with this fact is that some of the Intuos
and Cintiq have a wheel, and the effective range of the reported values
is [0..71]. Unfortunately, the airbrush stylus also sends wheel events
(there is a small wheel on it), but in the range [0..1023]. From the user
space point of view it is kind of difficult to understand that because
the wheel on the pad are quite common, while the airbrush tool is not.
A solution to fix all of these problems is to split out the pad device
from the stylus/touch. This decision makes more sense because the pad is
not linked to the absolute position of the finger or pen, and usually, the
events from the pad are filtered out by the compositor, which then convert
them into actions or keyboard shortcuts.
For backward compatibility with current xf86-input-wacom, the pad devices
still present the ABS_X, ABS_Y and ABS_MISC events, but they can be
completely ignored in the new implementation.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-07-24 19:48:28 +00:00
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int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
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struct wacom_wac *wacom_wac);
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2014-09-23 16:08:08 +00:00
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void wacom_wac_usage_mapping(struct hid_device *hdev,
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struct hid_field *field, struct hid_usage *usage);
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2016-12-09 06:03:27 +00:00
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void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
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2014-09-23 16:08:08 +00:00
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struct hid_usage *usage, __s32 value);
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void wacom_wac_report(struct hid_device *hdev, struct hid_report *report);
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2015-03-06 19:47:40 +00:00
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void wacom_battery_work(struct work_struct *work);
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2016-07-13 16:06:12 +00:00
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enum led_brightness wacom_leds_brightness_get(struct wacom_led *led);
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struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group,
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unsigned int id);
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struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur);
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2017-01-25 20:08:40 +00:00
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int wacom_equivalent_usage(int usage);
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2017-01-25 20:08:42 +00:00
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int wacom_initialize_leds(struct wacom *wacom);
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2006-07-14 01:01:36 +00:00
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#endif
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