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0001 // SPDX-License-Identifier: GPL-2.0-or-later 0002 /* 0003 * HID driver for SiGma Micro-based keyboards 0004 * 0005 * Copyright (c) 2016 Kinglong Mee 0006 * Copyright (c) 2021 Desmond Lim 0007 */ 0008 0009 #include <linux/device.h> 0010 #include <linux/hid.h> 0011 #include <linux/module.h> 0012 0013 #include "hid-ids.h" 0014 0015 static const __u8 sm_0059_rdesc[] = { 0016 0x05, 0x0c, /* Usage Page (Consumer Devices) 0 */ 0017 0x09, 0x01, /* Usage (Consumer Control) 2 */ 0018 0xa1, 0x01, /* Collection (Application) 4 */ 0019 0x85, 0x01, /* Report ID (1) 6 */ 0020 0x19, 0x00, /* Usage Minimum (0) 8 */ 0021 0x2a, 0x3c, 0x02, /* Usage Maximum (572) 10 */ 0022 0x15, 0x00, /* Logical Minimum (0) 13 */ 0023 0x26, 0x3c, 0x02, /* Logical Maximum (572) 15 */ 0024 0x95, 0x01, /* Report Count (1) 18 */ 0025 0x75, 0x10, /* Report Size (16) 20 */ 0026 0x81, 0x00, /* Input (Data,Arr,Abs) 22 */ 0027 0xc0, /* End Collection 24 */ 0028 0x05, 0x01, /* Usage Page (Generic Desktop) 25 */ 0029 0x09, 0x80, /* Usage (System Control) 27 */ 0030 0xa1, 0x01, /* Collection (Application) 29 */ 0031 0x85, 0x02, /* Report ID (2) 31 */ 0032 0x19, 0x81, /* Usage Minimum (129) 33 */ 0033 0x29, 0x83, /* Usage Maximum (131) 35 */ 0034 0x25, 0x01, /* Logical Maximum (1) 37 */ 0035 0x75, 0x01, /* Report Size (1) 39 */ 0036 0x95, 0x03, /* Report Count (3) 41 */ 0037 0x81, 0x02, /* Input (Data,Var,Abs) 43 */ 0038 0x95, 0x05, /* Report Count (5) 45 */ 0039 0x81, 0x01, /* Input (Cnst,Arr,Abs) 47 */ 0040 0xc0, /* End Collection 49 */ 0041 0x06, 0x00, 0xff, /* Usage Page (Vendor Defined Page 1) 50 */ 0042 0x09, 0x01, /* Usage (Vendor Usage 1) 53 */ 0043 0xa1, 0x01, /* Collection (Application) 55 */ 0044 0x85, 0x03, /* Report ID (3) 57 */ 0045 0x1a, 0xf1, 0x00, /* Usage Minimum (241) 59 */ 0046 0x2a, 0xf8, 0x00, /* Usage Maximum (248) 62 */ 0047 0x15, 0x00, /* Logical Minimum (0) 65 */ 0048 0x25, 0x01, /* Logical Maximum (1) 67 */ 0049 0x75, 0x01, /* Report Size (1) 69 */ 0050 0x95, 0x08, /* Report Count (8) 71 */ 0051 0x81, 0x02, /* Input (Data,Var,Abs) 73 */ 0052 0xc0, /* End Collection 75 */ 0053 0x05, 0x01, /* Usage Page (Generic Desktop) 76 */ 0054 0x09, 0x06, /* Usage (Keyboard) 78 */ 0055 0xa1, 0x01, /* Collection (Application) 80 */ 0056 0x85, 0x04, /* Report ID (4) 82 */ 0057 0x05, 0x07, /* Usage Page (Keyboard) 84 */ 0058 0x19, 0xe0, /* Usage Minimum (224) 86 */ 0059 0x29, 0xe7, /* Usage Maximum (231) 88 */ 0060 0x15, 0x00, /* Logical Minimum (0) 90 */ 0061 0x25, 0x01, /* Logical Maximum (1) 92 */ 0062 0x75, 0x01, /* Report Size (1) 94 */ 0063 0x95, 0x08, /* Report Count (8) 96 */ 0064 0x81, 0x00, /* Input (Data,Arr,Abs) 98 */ 0065 0x95, 0x30, /* Report Count (48) 100 */ 0066 0x75, 0x01, /* Report Size (1) 102 */ 0067 0x15, 0x00, /* Logical Minimum (0) 104 */ 0068 0x25, 0x01, /* Logical Maximum (1) 106 */ 0069 0x05, 0x07, /* Usage Page (Keyboard) 108 */ 0070 0x19, 0x00, /* Usage Minimum (0) 110 */ 0071 0x29, 0x2f, /* Usage Maximum (47) 112 */ 0072 0x81, 0x02, /* Input (Data,Var,Abs) 114 */ 0073 0xc0, /* End Collection 116 */ 0074 0x05, 0x01, /* Usage Page (Generic Desktop) 117 */ 0075 0x09, 0x06, /* Usage (Keyboard) 119 */ 0076 0xa1, 0x01, /* Collection (Application) 121 */ 0077 0x85, 0x05, /* Report ID (5) 123 */ 0078 0x95, 0x38, /* Report Count (56) 125 */ 0079 0x75, 0x01, /* Report Size (1) 127 */ 0080 0x15, 0x00, /* Logical Minimum (0) 129 */ 0081 0x25, 0x01, /* Logical Maximum (1) 131 */ 0082 0x05, 0x07, /* Usage Page (Keyboard) 133 */ 0083 0x19, 0x30, /* Usage Minimum (48) 135 */ 0084 0x29, 0x67, /* Usage Maximum (103) 137 */ 0085 0x81, 0x02, /* Input (Data,Var,Abs) 139 */ 0086 0xc0, /* End Collection 141 */ 0087 0x05, 0x01, /* Usage Page (Generic Desktop) 142 */ 0088 0x09, 0x06, /* Usage (Keyboard) 144 */ 0089 0xa1, 0x01, /* Collection (Application) 146 */ 0090 0x85, 0x06, /* Report ID (6) 148 */ 0091 0x95, 0x38, /* Report Count (56) 150 */ 0092 0x75, 0x01, /* Report Size (1) 152 */ 0093 0x15, 0x00, /* Logical Minimum (0) 154 */ 0094 0x25, 0x01, /* Logical Maximum (1) 156 */ 0095 0x05, 0x07, /* Usage Page (Keyboard) 158 */ 0096 0x19, 0x68, /* Usage Minimum (104) 160 */ 0097 0x29, 0x9f, /* Usage Maximum (159) 162 */ 0098 0x81, 0x02, /* Input (Data,Var,Abs) 164 */ 0099 0xc0, /* End Collection 166 */ 0100 }; 0101 0102 static __u8 *sm_report_fixup(struct hid_device *hdev, __u8 *rdesc, 0103 unsigned int *rsize) 0104 { 0105 if (*rsize == sizeof(sm_0059_rdesc) && 0106 !memcmp(sm_0059_rdesc, rdesc, *rsize)) { 0107 hid_info(hdev, "Fixing up SiGma Micro report descriptor\n"); 0108 rdesc[99] = 0x02; 0109 } 0110 return rdesc; 0111 } 0112 0113 static const struct hid_device_id sm_devices[] = { 0114 { HID_USB_DEVICE(USB_VENDOR_ID_SIGMA_MICRO, 0115 USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD2) }, 0116 { } 0117 }; 0118 MODULE_DEVICE_TABLE(hid, sm_devices); 0119 0120 static struct hid_driver sm_driver = { 0121 .name = "sigmamicro", 0122 .id_table = sm_devices, 0123 .report_fixup = sm_report_fixup, 0124 }; 0125 module_hid_driver(sm_driver); 0126 0127 MODULE_AUTHOR("Kinglong Mee <kinglongmee@gmail.com>"); 0128 MODULE_AUTHOR("Desmond Lim <peckishrine@gmail.com>"); 0129 MODULE_DESCRIPTION("SiGma Micro HID driver"); 0130 MODULE_LICENSE("GPL");
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