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 some sunplus "special" devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Copyright (c) 1999 Andreas Gal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *  Copyright (c) 2006-2007 Jiri Kosina
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *  Copyright (c) 2008 Jiri Slaby
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static __u8 *sp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		unsigned int *rsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	if (*rsize >= 112 && rdesc[104] == 0x26 && rdesc[105] == 0x80 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 			rdesc[106] == 0x03) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		hid_info(hdev, "fixing up Sunplus Wireless Desktop report descriptor\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		rdesc[105] = rdesc[110] = 0x03;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		rdesc[106] = rdesc[111] = 0x21;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	return rdesc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define sp_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		EV_KEY, (c))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static int sp_input_mapping(struct hid_device *hdev, struct hid_input *hi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		struct hid_field *field, struct hid_usage *usage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		unsigned long **bit, int *max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	switch (usage->hid & HID_USAGE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	case 0x2003: sp_map_key_clear(KEY_ZOOMIN);		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	case 0x2103: sp_map_key_clear(KEY_ZOOMOUT);	break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static const struct hid_device_id sp_devices[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) MODULE_DEVICE_TABLE(hid, sp_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static struct hid_driver sp_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	.name = "sunplus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	.id_table = sp_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	.report_fixup = sp_report_fixup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	.input_mapping = sp_input_mapping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) module_hid_driver(sp_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) MODULE_LICENSE("GPL");