cregit-Linux how code gets into the kernel

Release 4.10 drivers/hid/wacom.h

Directory: drivers/hid
/*
 * 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
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */
#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 <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 DRIVER_LICENSE "GPL"


#define USB_VENDOR_ID_WACOM	0x056a

#define USB_VENDOR_ID_LENOVO	0x17ef


enum wacom_worker {
	
WACOM_WORKER_WIRELESS,
	
WACOM_WORKER_BATTERY,
	
WACOM_WORKER_REMOTE,
};

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 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 wacom_remote *remote;
	
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; } }

Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires3953.42%266.67%
chris bagwellchris bagwell3446.58%133.33%
Total73100.00%3100.00%

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); #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
benjamin tissoiresbenjamin tissoires35664.03%1648.48%
ping chengping cheng8615.47%721.21%
chris bagwellchris bagwell437.73%26.06%
jason gereckejason gerecke244.32%26.06%
eduard hasenleithnereduard hasenleithner162.88%13.03%
bastian blankbastian blank91.62%13.03%
oliver neukumoliver neukum91.62%13.03%
henrik rydberghenrik rydberg61.08%13.03%
ajay ramaswamyajay ramaswamy40.72%13.03%
dmitry torokhovdmitry torokhov30.54%13.03%
Total556100.00%33100.00%
Directory: drivers/hid
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