| // SPDX-License-Identifier: GPL-2.0-or-later | 
 | /* | 
 |  * HID driver for SiGma Micro-based keyboards | 
 |  * | 
 |  * Copyright (c) 2016 Kinglong Mee | 
 |  * Copyright (c) 2021 Desmond Lim | 
 |  */ | 
 |  | 
 | #include <linux/device.h> | 
 | #include <linux/hid.h> | 
 | #include <linux/module.h> | 
 |  | 
 | #include "hid-ids.h" | 
 |  | 
 | static const __u8 sm_0059_rdesc[] = { | 
 | 	0x05, 0x0c,              /* Usage Page (Consumer Devices)       0   */ | 
 | 	0x09, 0x01,              /* Usage (Consumer Control)            2   */ | 
 | 	0xa1, 0x01,              /* Collection (Application)            4   */ | 
 | 	0x85, 0x01,              /*  Report ID (1)                      6   */ | 
 | 	0x19, 0x00,              /*  Usage Minimum (0)                  8   */ | 
 | 	0x2a, 0x3c, 0x02,        /*  Usage Maximum (572)                10  */ | 
 | 	0x15, 0x00,              /*  Logical Minimum (0)                13  */ | 
 | 	0x26, 0x3c, 0x02,        /*  Logical Maximum (572)              15  */ | 
 | 	0x95, 0x01,              /*  Report Count (1)                   18  */ | 
 | 	0x75, 0x10,              /*  Report Size (16)                   20  */ | 
 | 	0x81, 0x00,              /*  Input (Data,Arr,Abs)               22  */ | 
 | 	0xc0,                    /* End Collection                      24  */ | 
 | 	0x05, 0x01,              /* Usage Page (Generic Desktop)        25  */ | 
 | 	0x09, 0x80,              /* Usage (System Control)              27  */ | 
 | 	0xa1, 0x01,              /* Collection (Application)            29  */ | 
 | 	0x85, 0x02,              /*  Report ID (2)                      31  */ | 
 | 	0x19, 0x81,              /*  Usage Minimum (129)                33  */ | 
 | 	0x29, 0x83,              /*  Usage Maximum (131)                35  */ | 
 | 	0x25, 0x01,              /*  Logical Maximum (1)                37  */ | 
 | 	0x75, 0x01,              /*  Report Size (1)                    39  */ | 
 | 	0x95, 0x03,              /*  Report Count (3)                   41  */ | 
 | 	0x81, 0x02,              /*  Input (Data,Var,Abs)               43  */ | 
 | 	0x95, 0x05,              /*  Report Count (5)                   45  */ | 
 | 	0x81, 0x01,              /*  Input (Cnst,Arr,Abs)               47  */ | 
 | 	0xc0,                    /* End Collection                      49  */ | 
 | 	0x06, 0x00, 0xff,        /* Usage Page (Vendor Defined Page 1)  50  */ | 
 | 	0x09, 0x01,              /* Usage (Vendor Usage 1)              53  */ | 
 | 	0xa1, 0x01,              /* Collection (Application)            55  */ | 
 | 	0x85, 0x03,              /*  Report ID (3)                      57  */ | 
 | 	0x1a, 0xf1, 0x00,        /*  Usage Minimum (241)                59  */ | 
 | 	0x2a, 0xf8, 0x00,        /*  Usage Maximum (248)                62  */ | 
 | 	0x15, 0x00,              /*  Logical Minimum (0)                65  */ | 
 | 	0x25, 0x01,              /*  Logical Maximum (1)                67  */ | 
 | 	0x75, 0x01,              /*  Report Size (1)                    69  */ | 
 | 	0x95, 0x08,              /*  Report Count (8)                   71  */ | 
 | 	0x81, 0x02,              /*  Input (Data,Var,Abs)               73  */ | 
 | 	0xc0,                    /* End Collection                      75  */ | 
 | 	0x05, 0x01,              /* Usage Page (Generic Desktop)        76  */ | 
 | 	0x09, 0x06,              /* Usage (Keyboard)                    78  */ | 
 | 	0xa1, 0x01,              /* Collection (Application)            80  */ | 
 | 	0x85, 0x04,              /*  Report ID (4)                      82  */ | 
 | 	0x05, 0x07,              /*  Usage Page (Keyboard)              84  */ | 
 | 	0x19, 0xe0,              /*  Usage Minimum (224)                86  */ | 
 | 	0x29, 0xe7,              /*  Usage Maximum (231)                88  */ | 
 | 	0x15, 0x00,              /*  Logical Minimum (0)                90  */ | 
 | 	0x25, 0x01,              /*  Logical Maximum (1)                92  */ | 
 | 	0x75, 0x01,              /*  Report Size (1)                    94  */ | 
 | 	0x95, 0x08,              /*  Report Count (8)                   96  */ | 
 | 	0x81, 0x00,              /*  Input (Data,Arr,Abs)               98  */ | 
 | 	0x95, 0x30,              /*  Report Count (48)                  100 */ | 
 | 	0x75, 0x01,              /*  Report Size (1)                    102 */ | 
 | 	0x15, 0x00,              /*  Logical Minimum (0)                104 */ | 
 | 	0x25, 0x01,              /*  Logical Maximum (1)                106 */ | 
 | 	0x05, 0x07,              /*  Usage Page (Keyboard)              108 */ | 
 | 	0x19, 0x00,              /*  Usage Minimum (0)                  110 */ | 
 | 	0x29, 0x2f,              /*  Usage Maximum (47)                 112 */ | 
 | 	0x81, 0x02,              /*  Input (Data,Var,Abs)               114 */ | 
 | 	0xc0,                    /* End Collection                      116 */ | 
 | 	0x05, 0x01,              /* Usage Page (Generic Desktop)        117 */ | 
 | 	0x09, 0x06,              /* Usage (Keyboard)                    119 */ | 
 | 	0xa1, 0x01,              /* Collection (Application)            121 */ | 
 | 	0x85, 0x05,              /*  Report ID (5)                      123 */ | 
 | 	0x95, 0x38,              /*  Report Count (56)                  125 */ | 
 | 	0x75, 0x01,              /*  Report Size (1)                    127 */ | 
 | 	0x15, 0x00,              /*  Logical Minimum (0)                129 */ | 
 | 	0x25, 0x01,              /*  Logical Maximum (1)                131 */ | 
 | 	0x05, 0x07,              /*  Usage Page (Keyboard)              133 */ | 
 | 	0x19, 0x30,              /*  Usage Minimum (48)                 135 */ | 
 | 	0x29, 0x67,              /*  Usage Maximum (103)                137 */ | 
 | 	0x81, 0x02,              /*  Input (Data,Var,Abs)               139 */ | 
 | 	0xc0,                    /* End Collection                      141 */ | 
 | 	0x05, 0x01,              /* Usage Page (Generic Desktop)        142 */ | 
 | 	0x09, 0x06,              /* Usage (Keyboard)                    144 */ | 
 | 	0xa1, 0x01,              /* Collection (Application)            146 */ | 
 | 	0x85, 0x06,              /*  Report ID (6)                      148 */ | 
 | 	0x95, 0x38,              /*  Report Count (56)                  150 */ | 
 | 	0x75, 0x01,              /*  Report Size (1)                    152 */ | 
 | 	0x15, 0x00,              /*  Logical Minimum (0)                154 */ | 
 | 	0x25, 0x01,              /*  Logical Maximum (1)                156 */ | 
 | 	0x05, 0x07,              /*  Usage Page (Keyboard)              158 */ | 
 | 	0x19, 0x68,              /*  Usage Minimum (104)                160 */ | 
 | 	0x29, 0x9f,              /*  Usage Maximum (159)                162 */ | 
 | 	0x81, 0x02,              /*  Input (Data,Var,Abs)               164 */ | 
 | 	0xc0,                    /* End Collection                      166 */ | 
 | }; | 
 |  | 
 | static __u8 *sm_report_fixup(struct hid_device *hdev, __u8 *rdesc, | 
 | 			     unsigned int *rsize) | 
 | { | 
 | 	if (*rsize == sizeof(sm_0059_rdesc) && | 
 | 	    !memcmp(sm_0059_rdesc, rdesc, *rsize)) { | 
 | 		hid_info(hdev, "Fixing up SiGma Micro report descriptor\n"); | 
 | 		rdesc[99] = 0x02; | 
 | 	} | 
 | 	return rdesc; | 
 | } | 
 |  | 
 | static const struct hid_device_id sm_devices[] = { | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SIGMA_MICRO, | 
 | 			 USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD2) }, | 
 | 	{ } | 
 | }; | 
 | MODULE_DEVICE_TABLE(hid, sm_devices); | 
 |  | 
 | static struct hid_driver sm_driver = { | 
 | 	.name = "sigmamicro", | 
 | 	.id_table = sm_devices, | 
 | 	.report_fixup = sm_report_fixup, | 
 | }; | 
 | module_hid_driver(sm_driver); | 
 |  | 
 | MODULE_AUTHOR("Kinglong Mee <kinglongmee@gmail.com>"); | 
 | MODULE_AUTHOR("Desmond Lim <peckishrine@gmail.com>"); | 
 | MODULE_DESCRIPTION("SiGma Micro HID driver"); | 
 | MODULE_LICENSE("GPL"); |