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 * Copyright (c) 2014 Benjamin Tissoires <benjamin.tissoires@redhat.com> 16 * 17 * ChangeLog: 18 * v0.1 (vp) - Initial release 19 * v0.2 (aba) - Support for all buttons / combinations 20 * v0.3 (vp) - Support for Intuos added 21 * v0.4 (sm) - Support for more Intuos models, menustrip 22 * relative mode, proximity. 23 * v0.5 (vp) - Big cleanup, nifty features removed, 24 * they belong in userspace 25 * v1.8 (vp) - Submit URB only when operating, moved to CVS, 26 * use input_report_key instead of report_btn and 27 * other cleanups 28 * v1.11 (vp) - Add URB ->dev setting for new kernels 29 * v1.11 (jb) - Add support for the 4D Mouse & Lens 30 * v1.12 (de) - Add support for two more inking pen IDs 31 * v1.14 (vp) - Use new USB device id probing scheme. 32 * Fix Wacom Graphire mouse wheel 33 * v1.18 (vp) - Fix mouse wheel direction 34 * Make mouse relative 35 * v1.20 (fl) - Report tool id for Intuos devices 36 * - Multi tools support 37 * - Corrected Intuos protocol decoding (airbrush, 4D mouse, lens cursor...) 38 * - Add PL models support 39 * - Fix Wacom Graphire mouse wheel again 40 * v1.21 (vp) - Removed protocol descriptions 41 * - Added MISC_SERIAL for tool serial numbers 42 * (gb) - Identify version on module load. 43 * v1.21.1 (fl) - added Graphire2 support 44 * v1.21.2 (fl) - added Intuos2 support 45 * - added all the PL ids 46 * v1.21.3 (fl) - added another eraser id from Neil Okamoto 47 * - added smooth filter for Graphire from Peri Hankey 48 * - added PenPartner support from Olaf van Es 49 * - new tool ids from Ole Martin Bjoerndalen 50 * v1.29 (pc) - Add support for more tablets 51 * - Fix pressure reporting 52 * v1.30 (vp) - Merge 2.4 and 2.5 drivers 53 * - Since 2.5 now has input_sync(), remove MSC_SERIAL abuse 54 * - Cleanups here and there 55 * v1.30.1 (pi) - Added Graphire3 support 56 * v1.40 (pc) - Add support for several new devices, fix eraser reporting, ... 57 * v1.43 (pc) - Added support for Cintiq 21UX 58 * - Fixed a Graphire bug 59 * - Merged wacom_intuos3_irq into wacom_intuos_irq 60 * v1.44 (pc) - Added support for Graphire4, Cintiq 710, Intuos3 6x11, etc. 61 * - Report Device IDs 62 * v1.45 (pc) - Added support for DTF 521, Intuos3 12x12 and 12x19 63 * - Minor data report fix 64 * v1.46 (pc) - Split wacom.c into wacom_sys.c and wacom_wac.c, 65 * - where wacom_sys.c deals with system specific code, 66 * - and wacom_wac.c deals with Wacom specific code 67 * - Support Intuos3 4x6 68 * v1.47 (pc) - Added support for Bamboo 69 * v1.48 (pc) - Added support for Bamboo1, BambooFun, and Cintiq 12WX 70 * v1.49 (pc) - Added support for USB Tablet PC (0x90, 0x93, and 0x9A) 71 * v1.50 (pc) - Fixed a TabletPC touch bug in 2.6.28 72 * v1.51 (pc) - Added support for Intuos4 73 * v1.52 (pc) - Query Wacom data upon system resume 74 * - add defines for features->type 75 * - add new devices (0x9F, 0xE2, and 0XE3) 76 * v2.00 (bt) - conversion to a HID driver 77 * - integration of the Bluetooth devices 78 */ 79 80 /* 81 * This program is free software; you can redistribute it and/or modify 82 * it under the terms of the GNU General Public License as published by 83 * the Free Software Foundation; either version 2 of the License, or 84 * (at your option) any later version. 85 */ 86 #ifndef WACOM_H 87 #define WACOM_H 88 #include <linux/kernel.h> 89 #include <linux/slab.h> 90 #include <linux/module.h> 91 #include <linux/mod_devicetable.h> 92 #include <linux/hid.h> 93 #include <linux/kfifo.h> 94 #include <linux/leds.h> 95 #include <linux/usb/input.h> 96 #include <linux/power_supply.h> 97 #include <asm/unaligned.h> 98 99 /* 100 * Version Information 101 */ 102 #define DRIVER_VERSION "v2.00" 103 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>" 104 #define DRIVER_DESC "USB Wacom tablet driver" 105 106 #define USB_VENDOR_ID_WACOM 0x056a 107 #define USB_VENDOR_ID_LENOVO 0x17ef 108 109 enum wacom_worker { 110 WACOM_WORKER_WIRELESS, 111 WACOM_WORKER_BATTERY, 112 WACOM_WORKER_REMOTE, 113 WACOM_WORKER_MODE_CHANGE, 114 }; 115 116 struct wacom; 117 118 struct wacom_led { 119 struct led_classdev cdev; 120 struct led_trigger trigger; 121 struct wacom *wacom; 122 unsigned int group; 123 unsigned int id; 124 u8 llv; 125 u8 hlv; 126 bool held; 127 }; 128 129 struct wacom_group_leds { 130 u8 select; /* status led selector (0..3) */ 131 struct wacom_led *leds; 132 unsigned int count; 133 struct device *dev; 134 }; 135 136 struct wacom_battery { 137 struct wacom *wacom; 138 struct power_supply_desc bat_desc; 139 struct power_supply *battery; 140 char bat_name[WACOM_NAME_MAX]; 141 int bat_status; 142 int battery_capacity; 143 int bat_charging; 144 int bat_connected; 145 int ps_connected; 146 }; 147 148 struct wacom_remote { 149 spinlock_t remote_lock; 150 struct kfifo remote_fifo; 151 struct kobject *remote_dir; 152 struct { 153 struct attribute_group group; 154 u32 serial; 155 struct input_dev *input; 156 bool registered; 157 struct wacom_battery battery; 158 } remotes[WACOM_MAX_REMOTES]; 159 }; 160 161 struct wacom { 162 struct usb_device *usbdev; 163 struct usb_interface *intf; 164 struct wacom_wac wacom_wac; 165 struct hid_device *hdev; 166 struct mutex lock; 167 struct work_struct wireless_work; 168 struct work_struct battery_work; 169 struct work_struct remote_work; 170 struct delayed_work init_work; 171 struct wacom_remote *remote; 172 struct work_struct mode_change_work; 173 bool generic_has_leds; 174 struct wacom_leds { 175 struct wacom_group_leds *groups; 176 unsigned int count; 177 u8 llv; /* status led brightness no button (1..127) */ 178 u8 hlv; /* status led brightness button pressed (1..127) */ 179 u8 img_lum; /* OLED matrix display brightness */ 180 u8 max_llv; /* maximum brightness of LED (llv) */ 181 u8 max_hlv; /* maximum brightness of LED (hlv) */ 182 } led; 183 struct wacom_battery battery; 184 bool resources; 185 }; 186 187 static inline void wacom_schedule_work(struct wacom_wac *wacom_wac, 188 enum wacom_worker which) 189 { 190 struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac); 191 192 switch (which) { 193 case WACOM_WORKER_WIRELESS: 194 schedule_work(&wacom->wireless_work); 195 break; 196 case WACOM_WORKER_BATTERY: 197 schedule_work(&wacom->battery_work); 198 break; 199 case WACOM_WORKER_REMOTE: 200 schedule_work(&wacom->remote_work); 201 break; 202 case WACOM_WORKER_MODE_CHANGE: 203 schedule_work(&wacom->mode_change_work); 204 break; 205 } 206 } 207 208 extern const struct hid_device_id wacom_ids[]; 209 210 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len); 211 void wacom_setup_device_quirks(struct wacom *wacom); 212 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev, 213 struct wacom_wac *wacom_wac); 214 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev, 215 struct wacom_wac *wacom_wac); 216 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev, 217 struct wacom_wac *wacom_wac); 218 void wacom_wac_usage_mapping(struct hid_device *hdev, 219 struct hid_field *field, struct hid_usage *usage); 220 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field, 221 struct hid_usage *usage, __s32 value); 222 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report); 223 void wacom_battery_work(struct work_struct *work); 224 enum led_brightness wacom_leds_brightness_get(struct wacom_led *led); 225 struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group, 226 unsigned int id); 227 struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur); 228 int wacom_equivalent_usage(int usage); 229 int wacom_initialize_leds(struct wacom *wacom); 230 #endif 231