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// 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 const __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");
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