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Diffstat (limited to '')
| -rw-r--r-- | drivers/hid/wacom.h | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/drivers/hid/wacom.h b/drivers/hid/wacom.h new file mode 100644 index 000000000..166a76c9b --- /dev/null +++ b/drivers/hid/wacom.h @@ -0,0 +1,243 @@ +/* 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 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; + 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 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 |