/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * USB Wacom tablet support * * Copyright (c) 2000-2004 Vojtech Pavlik <vojtech@ucw.cz> * Copyright (c) 2000 Andreas Bach Aaen <abach@stofanet.dk> * Copyright (c) 2000 Clifford Wolf <clifford@clifford.at> * Copyright (c) 2000 Sam Mosel <sam.mosel@computer.org> * Copyright (c) 2000 James E. Blair <corvus@gnu.org> * Copyright (c) 2000 Daniel Egger <egger@suse.de> * Copyright (c) 2001 Frederic Lepied <flepied@mandrakesoft.com> * Copyright (c) 2004 Panagiotis Issaris <panagiotis.issaris@mech.kuleuven.ac.be> * Copyright (c) 2002-2011 Ping Cheng <pingc@wacom.com> * Copyright (c) 2014 Benjamin Tissoires <benjamin.tissoires@redhat.com> * * ChangeLog: * v0.1 (vp) - Initial release * v0.2 (aba) - Support for all buttons / combinations * v0.3 (vp) - Support for Intuos added * v0.4 (sm) - Support for more Intuos models, menustrip * relative mode, proximity. * v0.5 (vp) - Big cleanup, nifty features removed, * they belong in userspace * v1.8 (vp) - Submit URB only when operating, moved to CVS, * use input_report_key instead of report_btn and * other cleanups * v1.11 (vp) - Add URB ->dev setting for new kernels * v1.11 (jb) - Add support for the 4D Mouse & Lens * v1.12 (de) - Add support for two more inking pen IDs * v1.14 (vp) - Use new USB device id probing scheme. * Fix Wacom Graphire mouse wheel * v1.18 (vp) - Fix mouse wheel direction * Make mouse relative * v1.20 (fl) - Report tool id for Intuos devices * - Multi tools support * - Corrected Intuos protocol decoding (airbrush, 4D mouse, lens cursor...) * - Add PL models support * - Fix Wacom Graphire mouse wheel again * v1.21 (vp) - Removed protocol descriptions * - Added MISC_SERIAL for tool serial numbers * (gb) - Identify version on module load. * v1.21.1 (fl) - added Graphire2 support * v1.21.2 (fl) - added Intuos2 support * - added all the PL ids * v1.21.3 (fl) - added another eraser id from Neil Okamoto * - added smooth filter for Graphire from Peri Hankey * - added PenPartner support from Olaf van Es * - new tool ids from Ole Martin Bjoerndalen * v1.29 (pc) - Add support for more tablets * - Fix pressure reporting * v1.30 (vp) - Merge 2.4 and 2.5 drivers * - Since 2.5 now has input_sync(), remove MSC_SERIAL abuse * - Cleanups here and there * v1.30.1 (pi) - Added Graphire3 support * v1.40 (pc) - Add support for several new devices, fix eraser reporting, ... * v1.43 (pc) - Added support for Cintiq 21UX * - Fixed a Graphire bug * - Merged wacom_intuos3_irq into wacom_intuos_irq * v1.44 (pc) - Added support for Graphire4, Cintiq 710, Intuos3 6x11, etc. * - Report Device IDs * v1.45 (pc) - Added support for DTF 521, Intuos3 12x12 and 12x19 * - Minor data report fix * v1.46 (pc) - Split wacom.c into wacom_sys.c and wacom_wac.c, * - where wacom_sys.c deals with system specific code, * - and wacom_wac.c deals with Wacom specific code * - Support Intuos3 4x6 * v1.47 (pc) - Added support for Bamboo * v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX * v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A) * v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28 * v1.51 (pc) - Added support for Intuos4 * v1.52 (pc) - Query Wacom data upon system resume * - add defines for features->type * - add new devices (0x9F, 0xE2, and 0XE3) * v2.00 (bt) - conversion to a HID driver * - integration of the Bluetooth devices */ #ifndef WACOM_H #define WACOM_H #include <linux/kernel.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/hid.h> #include <linux/kfifo.h> #include <linux/leds.h> #include <linux/usb/input.h> #include <linux/power_supply.h> #include <linux/timer.h> #include <asm/unaligned.h> /* * Version Information */ #define DRIVER_VERSION "v2.00" #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>" #define DRIVER_DESC "USB Wacom tablet driver" #define USB_VENDOR_ID_WACOM 0x056a #define USB_VENDOR_ID_LENOVO 0x17ef enum wacom_worker { WACOM_WORKER_WIRELESS, WACOM_WORKER_BATTERY, WACOM_WORKER_REMOTE, WACOM_WORKER_MODE_CHANGE, }; struct wacom; struct wacom_led { struct led_classdev cdev; struct led_trigger trigger; struct wacom *wacom; unsigned int group; unsigned int id; u8 llv; u8 hlv; bool held; }; struct wacom_group_leds { u8 select; /* status led selector (0..3) */ struct wacom_led *leds; unsigned int count; struct device *dev; }; struct wacom_battery { struct wacom *wacom; struct power_supply_desc bat_desc; struct power_supply *battery; char bat_name[WACOM_NAME_MAX]; int bat_status; int battery_capacity; int bat_charging; int bat_connected; int ps_connected; }; struct wacom_remote { spinlock_t remote_lock; struct kfifo remote_fifo; struct kobject *remote_dir; struct { struct attribute_group group; u32 serial; struct input_dev *input; bool registered; struct wacom_battery battery; ktime_t active_time; } remotes[WACOM_MAX_REMOTES]; }; struct wacom { struct usb_device *usbdev; struct usb_interface *intf; struct wacom_wac wacom_wac; struct hid_device *hdev; struct mutex lock; struct work_struct wireless_work; struct work_struct battery_work; struct work_struct remote_work; struct delayed_work init_work; struct wacom_remote *remote; struct work_struct mode_change_work; struct timer_list idleprox_timer; bool generic_has_leds; struct wacom_leds { struct wacom_group_leds *groups; unsigned int count; u8 llv; /* status led brightness no button (1..127) */ u8 hlv; /* status led brightness button pressed (1..127) */ u8 img_lum; /* OLED matrix display brightness */ u8 max_llv; /* maximum brightness of LED (llv) */ u8 max_hlv; /* maximum brightness of LED (hlv) */ } led; struct wacom_battery battery; bool resources; }; static inline void wacom_schedule_work(struct wacom_wac *wacom_wac, enum wacom_worker which) { struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac); switch (which) { case WACOM_WORKER_WIRELESS: schedule_work(&wacom->wireless_work); break; case WACOM_WORKER_BATTERY: schedule_work(&wacom->battery_work); break; case WACOM_WORKER_REMOTE: schedule_work(&wacom->remote_work); break; case WACOM_WORKER_MODE_CHANGE: schedule_work(&wacom->mode_change_work); break; } } /* * Convert a signed 32-bit integer to an unsigned n-bit integer. Undoes * the normally-helpful work of 'hid_snto32' for fields that use signed * ranges for questionable reasons. */ static inline __u32 wacom_s32tou(s32 value, __u8 n) { switch (n) { case 8: return ((__u8)value); case 16: return ((__u16)value); case 32: return ((__u32)value); } return value & (1 << (n - 1)) ? value & (~(~0U << n)) : value; } extern const struct hid_device_id wacom_ids[]; void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len); void wacom_setup_device_quirks(struct wacom *wacom); int wacom_setup_pen_input_capabilities(struct input_dev *input_dev, struct wacom_wac *wacom_wac); int wacom_setup_touch_input_capabilities(struct input_dev *input_dev, struct wacom_wac *wacom_wac); int wacom_setup_pad_input_capabilities(struct input_dev *input_dev, struct wacom_wac *wacom_wac); void wacom_wac_usage_mapping(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage); void wacom_wac_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value); void wacom_wac_report(struct hid_device *hdev, struct hid_report *report); void wacom_battery_work(struct work_struct *work); enum led_brightness wacom_leds_brightness_get(struct wacom_led *led); struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group, unsigned int id); struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur); int wacom_equivalent_usage(int usage); int wacom_initialize_leds(struct wacom *wacom); void wacom_idleprox_timeout(struct timer_list *list); #endif