Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  HID driver for Kensigton Slimblade Trackball
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Copyright (c) 2009 Jiri Kosina
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define ks_map_key(c)	hid_map_usage(hi, usage, bit, max, EV_KEY, (c))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static int ks_input_mapping(struct hid_device *hdev, struct hid_input *hi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		struct hid_field *field, struct hid_usage *usage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		unsigned long **bit, int *max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	switch (usage->hid & HID_USAGE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	case 0x01: ks_map_key(BTN_MIDDLE);	break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	case 0x02: ks_map_key(BTN_SIDE);	break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static const struct hid_device_id ks_devices[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) MODULE_DEVICE_TABLE(hid, ks_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static struct hid_driver ks_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	.name = "kensington",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	.id_table = ks_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	.input_mapping = ks_input_mapping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) module_hid_driver(ks_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) MODULE_LICENSE("GPL");