// SPDX-License-Identifier: GPL-2.0-only /* * Pegasus Mobile Notetaker Pen input tablet driver * * Copyright (c) 2016 Martin Kepplinger <[email protected]> */ /* * request packet (control endpoint): * |-------------------------------------| * | Report ID | Nr of bytes | command | * | (1 byte) | (1 byte) | (n bytes) | * |-------------------------------------| * | 0x02 | n | | * |-------------------------------------| * * data packet after set xy mode command, 0x80 0xb5 0x02 0x01 * and pen is in range: * * byte byte name value (bits) * -------------------------------------------- * 0 status 0 1 0 0 0 0 X X * 1 color 0 0 0 0 H 0 S T * 2 X low * 3 X high * 4 Y low * 5 Y high * * X X battery state: * no state reported 0x00 * battery low 0x01 * battery good 0x02 * * H Hovering * S Switch 1 (pen button) * T Tip */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/input.h> #include <linux/usb/input.h> #include <linux/slab.h> #include <linux/workqueue.h> #include <linux/mutex.h> /* USB HID defines */ #define USB_REQ_GET_REPORT … #define USB_REQ_SET_REPORT … #define USB_VENDOR_ID_PEGASUSTECH … #define USB_DEVICE_ID_PEGASUS_NOTETAKER_EN100 … /* device specific defines */ #define NOTETAKER_REPORT_ID … #define NOTETAKER_SET_CMD … #define NOTETAKER_SET_MODE … #define NOTETAKER_LED_MOUSE … #define PEN_MODE_XY … #define SPECIAL_COMMAND … #define BUTTON_PRESSED … #define COMMAND_VERSION … /* in xy data packet */ #define BATTERY_NO_REPORT … #define BATTERY_LOW … #define BATTERY_GOOD … #define PEN_BUTTON_PRESSED … #define PEN_TIP … struct pegasus { … }; static int pegasus_control_msg(struct pegasus *pegasus, u8 *data, int len) { … } static int pegasus_set_mode(struct pegasus *pegasus, u8 mode, u8 led) { … } static void pegasus_parse_packet(struct pegasus *pegasus) { … } static void pegasus_irq(struct urb *urb) { … } static void pegasus_init(struct work_struct *work) { … } static int pegasus_open(struct input_dev *dev) { … } static void pegasus_close(struct input_dev *dev) { … } static int pegasus_probe(struct usb_interface *intf, const struct usb_device_id *id) { … } static void pegasus_disconnect(struct usb_interface *intf) { … } static int pegasus_suspend(struct usb_interface *intf, pm_message_t message) { … } static int pegasus_resume(struct usb_interface *intf) { … } static int pegasus_reset_resume(struct usb_interface *intf) { … } static const struct usb_device_id pegasus_ids[] = …; MODULE_DEVICE_TABLE(usb, pegasus_ids); static struct usb_driver pegasus_driver = …; module_usb_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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