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242 lines
8.1 KiB
242 lines
8.1 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* drivers/input/tablet/wacom.h |
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* |
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* USB Wacom tablet support |
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* |
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* Copyright (c) 2000-2004 Vojtech Pavlik <[email protected]> |
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* Copyright (c) 2000 Andreas Bach Aaen <[email protected]> |
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* Copyright (c) 2000 Clifford Wolf <[email protected]> |
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* Copyright (c) 2000 Sam Mosel <[email protected]> |
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* Copyright (c) 2000 James E. Blair <[email protected]> |
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* Copyright (c) 2000 Daniel Egger <[email protected]> |
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* Copyright (c) 2001 Frederic Lepied <[email protected]> |
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* Copyright (c) 2004 Panagiotis Issaris <[email protected]> |
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* Copyright (c) 2002-2011 Ping Cheng <[email protected]> |
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* Copyright (c) 2014 Benjamin Tissoires <[email protected]> |
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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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* - and wacom_wac.c deals with Wacom specific code |
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* - Support Intuos3 4x6 |
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* v1.47 (pc) - Added support for Bamboo |
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* v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX |
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* v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A) |
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* v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28 |
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* v1.51 (pc) - Added support for Intuos4 |
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* v1.52 (pc) - Query Wacom data upon system resume |
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* - add defines for features->type |
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* - add new devices (0x9F, 0xE2, and 0XE3) |
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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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*/ |
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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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#include <linux/mod_devicetable.h> |
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#include <linux/hid.h> |
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#include <linux/kfifo.h> |
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#include <linux/leds.h> |
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#include <linux/usb/input.h> |
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#include <linux/power_supply.h> |
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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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#define DRIVER_VERSION "v2.00" |
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#define DRIVER_AUTHOR "Vojtech Pavlik <[email protected]>" |
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#define DRIVER_DESC "USB Wacom tablet driver" |
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#define USB_VENDOR_ID_WACOM 0x056a |
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#define USB_VENDOR_ID_LENOVO 0x17ef |
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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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WACOM_WORKER_REMOTE, |
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WACOM_WORKER_MODE_CHANGE, |
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}; |
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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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struct wacom_group_leds { |
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u8 select; /* status led selector (0..3) */ |
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struct wacom_led *leds; |
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unsigned int count; |
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struct device *dev; |
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}; |
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struct wacom_battery { |
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struct wacom *wacom; |
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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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int bat_status; |
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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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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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struct { |
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struct attribute_group group; |
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u32 serial; |
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struct input_dev *input; |
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bool registered; |
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struct wacom_battery battery; |
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} remotes[WACOM_MAX_REMOTES]; |
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}; |
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struct wacom { |
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struct usb_device *usbdev; |
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struct usb_interface *intf; |
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struct wacom_wac wacom_wac; |
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struct hid_device *hdev; |
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struct mutex lock; |
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struct work_struct wireless_work; |
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struct work_struct battery_work; |
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struct work_struct remote_work; |
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struct delayed_work init_work; |
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struct wacom_remote *remote; |
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struct work_struct mode_change_work; |
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bool generic_has_leds; |
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struct wacom_leds { |
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struct wacom_group_leds *groups; |
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unsigned int count; |
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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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u8 img_lum; /* OLED matrix display brightness */ |
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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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} led; |
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struct wacom_battery battery; |
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bool resources; |
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}; |
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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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{ |
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struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac); |
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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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case WACOM_WORKER_REMOTE: |
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schedule_work(&wacom->remote_work); |
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break; |
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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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} |
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} |
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/* |
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* Convert a signed 32-bit integer to an unsigned n-bit integer. Undoes |
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* the normally-helpful work of 'hid_snto32' for fields that use signed |
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* ranges for questionable reasons. |
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*/ |
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static inline __u32 wacom_s32tou(s32 value, __u8 n) |
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{ |
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switch (n) { |
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case 8: return ((__u8)value); |
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case 16: return ((__u16)value); |
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case 32: return ((__u32)value); |
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} |
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return value & (1 << (n - 1)) ? value & (~(~0U << n)) : value; |
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} |
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extern const struct hid_device_id wacom_ids[]; |
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void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len); |
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void wacom_setup_device_quirks(struct wacom *wacom); |
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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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struct wacom_wac *wacom_wac); |
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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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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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void wacom_wac_event(struct hid_device *hdev, struct hid_field *field, |
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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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void wacom_battery_work(struct work_struct *work); |
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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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int wacom_equivalent_usage(int usage); |
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int wacom_initialize_leds(struct wacom *wacom); |
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#endif
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