drivers/input/tablet/wacom.h

   1 /*
   2  * drivers/input/tablet/wacom.h
   3  *
   4  *  USB Wacom tablet support
   5  *
   6  *  Copyright (c) 2000-2004 Vojtech Pavlik      <vojtech@ucw.cz>
   7  *  Copyright (c) 2000 Andreas Bach Aaen        <abach@stofanet.dk>
   8  *  Copyright (c) 2000 Clifford Wolf            <clifford@clifford.at>
   9  *  Copyright (c) 2000 Sam Mosel                <sam.mosel@computer.org>
  10  *  Copyright (c) 2000 James E. Blair           <corvus@gnu.org>
  11  *  Copyright (c) 2000 Daniel Egger             <egger@suse.de>
  12  *  Copyright (c) 2001 Frederic Lepied          <flepied@mandrakesoft.com>
  13  *  Copyright (c) 2004 Panagiotis Issaris       <panagiotis.issaris@mech.kuleuven.ac.be>
  14  *  Copyright (c) 2002-2011 Ping Cheng          <pingc@wacom.com>
  15  *
  16  *  ChangeLog:
  17  *      v0.1 (vp)  - Initial release
  18  *      v0.2 (aba) - Support for all buttons / combinations
  19  *      v0.3 (vp)  - Support for Intuos added
  20  *      v0.4 (sm)  - Support for more Intuos models, menustrip
  21  *                      relative mode, proximity.
  22  *      v0.5 (vp)  - Big cleanup, nifty features removed,
  23  *                      they belong in userspace
  24  *      v1.8 (vp)  - Submit URB only when operating, moved to CVS,
  25  *                      use input_report_key instead of report_btn and
  26  *                      other cleanups
  27  *      v1.11 (vp) - Add URB ->dev setting for new kernels
  28  *      v1.11 (jb) - Add support for the 4D Mouse & Lens
  29  *      v1.12 (de) - Add support for two more inking pen IDs
  30  *      v1.14 (vp) - Use new USB device id probing scheme.
  31  *                   Fix Wacom Graphire mouse wheel
  32  *      v1.18 (vp) - Fix mouse wheel direction
  33  *                   Make mouse relative
  34  *      v1.20 (fl) - Report tool id for Intuos devices
  35  *                 - Multi tools support
  36  *                 - Corrected Intuos protocol decoding (airbrush, 4D mouse, lens cursor...)
  37  *                 - Add PL models support
  38  *                 - Fix Wacom Graphire mouse wheel again
  39  *      v1.21 (vp) - Removed protocol descriptions
  40  *                 - Added MISC_SERIAL for tool serial numbers
  41  *            (gb) - Identify version on module load.
  42  *    v1.21.1 (fl) - added Graphire2 support
  43  *    v1.21.2 (fl) - added Intuos2 support
  44  *                 - added all the PL ids
  45  *    v1.21.3 (fl) - added another eraser id from Neil Okamoto
  46  *                 - added smooth filter for Graphire from Peri Hankey
  47  *                 - added PenPartner support from Olaf van Es
  48  *                 - new tool ids from Ole Martin Bjoerndalen
  49  *      v1.29 (pc) - Add support for more tablets
  50  *                 - Fix pressure reporting
  51  *      v1.30 (vp) - Merge 2.4 and 2.5 drivers
  52  *                 - Since 2.5 now has input_sync(), remove MSC_SERIAL abuse
  53  *                 - Cleanups here and there
  54  *    v1.30.1 (pi) - Added Graphire3 support
  55  *      v1.40 (pc) - Add support for several new devices, fix eraser reporting, ...
  56  *      v1.43 (pc) - Added support for Cintiq 21UX
  57  *                 - Fixed a Graphire bug
  58  *                 - Merged wacom_intuos3_irq into wacom_intuos_irq
  59  *      v1.44 (pc) - Added support for Graphire4, Cintiq 710, Intuos3 6x11, etc.
  60  *                 - Report Device IDs
  61  *      v1.45 (pc) - Added support for DTF 521, Intuos3 12x12 and 12x19
  62  *                 - Minor data report fix
  63  *      v1.46 (pc) - Split wacom.c into wacom_sys.c and wacom_wac.c,
  64  *                 - where wacom_sys.c deals with system specific code,
  65  *                 - and wacom_wac.c deals with Wacom specific code
  66  *                 - Support Intuos3 4x6
  67  *      v1.47 (pc) - Added support for Bamboo
  68  *      v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX
  69  *      v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A)
  70  *      v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28
  71  *      v1.51 (pc) - Added support for Intuos4
  72  *      v1.52 (pc) - Query Wacom data upon system resume
  73  *                 - add defines for features->type
  74  *                 - add new devices (0x9F, 0xE2, and 0XE3)
  75  */
  76
  77 /*
  78  * This program is free software; you can redistribute it and/or modify
  79  * it under the terms of the GNU General Public License as published by
  80  * the Free Software Foundation; either version 2 of the License, or
  81  * (at your option) any later version.
  82  */
  83 #ifndef WACOM_H
  84 #define WACOM_H
  85 #include <linux/kernel.h>
  86 #include <linux/slab.h>
  87 #include <linux/module.h>
  88 #include <linux/mod_devicetable.h>
  89 #include <linux/usb/input.h>
  90 #include <linux/power_supply.h>
  91 #include <asm/unaligned.h>
  92
  93 /*
  94  * Version Information
  95  */
  96 #define DRIVER_VERSION "v1.53"
  97 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
  98 #define DRIVER_DESC "USB Wacom tablet driver"
  99 #define DRIVER_LICENSE "GPL"
 100
 101 MODULE_AUTHOR(DRIVER_AUTHOR);
 102 MODULE_DESCRIPTION(DRIVER_DESC);
 103 MODULE_LICENSE(DRIVER_LICENSE);
 104
 105 #define USB_VENDOR_ID_WACOM     0x056a
 106 #define USB_VENDOR_ID_LENOVO    0x17ef
 107
 108 struct wacom {
 109         dma_addr_t data_dma;
 110         struct usb_device *usbdev;
 111         struct usb_interface *intf;
 112         struct urb *irq;
 113         struct wacom_wac wacom_wac;
 114         struct mutex lock;
 115         struct work_struct work;
 116         bool open;
 117         char phys[32];
 118         struct wacom_led {
 119                 u8 select[2]; /* status led selector (0..3) */
 120                 u8 llv;       /* status led brightness no button (1..127) */
 121                 u8 hlv;       /* status led brightness button pressed (1..127) */
 122                 u8 img_lum;   /* OLED matrix display brightness */
 123         } led;
 124         struct power_supply battery;
 125 };
 126
 127 static inline void wacom_schedule_work(struct wacom_wac *wacom_wac)
 128 {
 129         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
 130         schedule_work(&wacom->work);
 131 }
 132
 133 extern const struct usb_device_id wacom_ids[];
 134
 135 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len);
 136 void wacom_setup_device_quirks(struct wacom_features *features);
 137 int wacom_setup_input_capabilities(struct input_dev *input_dev,
 138                                    struct wacom_wac *wacom_wac);
 139 #endif