/* 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 4 D 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 , 4 D 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 21 UX
* - Fixed a Graphire bug
* - Merged wacom_intuos3_irq into wacom_intuos_irq
* v1 . 44 ( pc ) - Added support for Graphire4 , Cintiq 710 , Intuos3 6 x11 , etc .
* - Report Device IDs
* v1 . 45 ( pc ) - Added support for DTF 521 , Intuos3 12 x12 and 12 x19
* - 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 4 x6
* v1 . 47 ( pc ) - Added support for Bamboo
* v1 . 48 ( pc ) - Added support for Bamboo1 , BambooFun , and Cintiq 12 WX
* v1 . 49 ( pc ) - Added support for USB Tablet PC ( 0 x90 , 0 x93 , and 0 x9A )
* 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 ( 0 x9F , 0 xE2 , and 0 XE3 )
* 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 <linux/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 0 x056a
#define USB_VENDOR_ID_LENOVO 0 x17ef
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 delayed_work aes_battery_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 & (~(~0 U << n)) : value;
}
static inline u32 wacom_rescale(u32 value, u32 in_max, u32 out_max)
{
if (in_max == 0 || out_max == 0 )
return 0 ;
value = clamp(value, 0 , in_max);
return DIV_ROUND_CLOSEST(value * out_max, in_max);
}
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
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-30)
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