// SPDX-License-Identifier: GPL-2.0-or-later /* * HID driver for some samsung "special" devices * * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2005 Vojtech Pavlik <[email protected]> * Copyright (c) 2005 Michael Haboustak <[email protected]> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina * Copyright (c) 2008 Jiri Slaby * Copyright (c) 2010 Don Prince <[email protected]> * * This driver supports several HID devices: * * [0419:0001] Samsung IrDA remote controller (reports as Cypress USB Mouse). * various hid report fixups for different variants. * * [0419:0600] Creative Desktop Wireless 6000 keyboard/mouse combo * several key mappings used from the consumer usage page * deviate from the USB HUT 1.12 standard. */ /* */ #include <linux/device.h> #include <linux/usb.h> #include <linux/hid.h> #include <linux/module.h> #include "hid-ids.h" /* * There are several variants for 0419:0001: * * 1. 184 byte report descriptor * Vendor specific report #4 has a size of 48 bit, * and therefore is not accepted when inspecting the descriptors. * As a workaround we reinterpret the report as: * Variable type, count 6, size 8 bit, log. maximum 255 * The burden to reconstruct the data is moved into user space. * * 2. 203 byte report descriptor * Report #4 has an array field with logical range 0..18 instead of 1..15. * * 3. 135 byte report descriptor * Report #4 has an array field with logical range 0..17 instead of 1..14. * * 4. 171 byte report descriptor * Report #3 has an array field with logical range 0..1 instead of 1..3. */ static inline void samsung_irda_dev_trace(struct hid_device *hdev, unsigned int rsize) { … } static __u8 *samsung_irda_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { … } #define samsung_kbd_mouse_map_key_clear(c) … static int samsung_kbd_mouse_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { … } static int samsung_kbd_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { … } static int samsung_gamepad_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { … } static int samsung_actionmouse_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { … } static int samsung_universal_kbd_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { … } static __u8 *samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { … } static int samsung_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { … } static int samsung_probe(struct hid_device *hdev, const struct hid_device_id *id) { … } static const struct hid_device_id samsung_devices[] = …; MODULE_DEVICE_TABLE(hid, samsung_devices); static struct hid_driver samsung_driver = …; module_hid_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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