| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * drivers/input/tablet/wacom.h |
| * |
| * 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; |
| } 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 |
