OSCL-LXR |
|
|
|
|||
0001 // SPDX-License-Identifier: GPL-2.0 0002 /* 0003 * HID driver for Maltron L90 0004 * 0005 * Copyright (c) 1999 Andreas Gal 0006 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> 0007 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc 0008 * Copyright (c) 2008 Jiri Slaby 0009 * Copyright (c) 2012 David Dillow <dave@thedillows.org> 0010 * Copyright (c) 2006-2013 Jiri Kosina 0011 * Copyright (c) 2013 Colin Leitner <colin.leitner@gmail.com> 0012 * Copyright (c) 2014-2016 Frank Praznik <frank.praznik@gmail.com> 0013 * Copyright (c) 2010 Richard Nauber <Richard.Nauber@gmail.com> 0014 * Copyright (c) 2016 Yuxuan Shui <yshuiv7@gmail.com> 0015 * Copyright (c) 2018 William Whistler <wtbw@wtbw.co.uk> 0016 */ 0017 0018 #include <linux/device.h> 0019 #include <linux/hid.h> 0020 #include <linux/module.h> 0021 0022 #include "hid-ids.h" 0023 0024 /* The original buggy USB descriptor */ 0025 static u8 maltron_rdesc_o[] = { 0026 0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */ 0027 0x09, 0x80, /* Usage (Sys Control) */ 0028 0xA1, 0x01, /* Collection (Application) */ 0029 0x85, 0x02, /* Report ID (2) */ 0030 0x75, 0x01, /* Report Size (1) */ 0031 0x95, 0x01, /* Report Count (1) */ 0032 0x15, 0x00, /* Logical Minimum (0) */ 0033 0x25, 0x01, /* Logical Maximum (1) */ 0034 0x09, 0x82, /* Usage (Sys Sleep) */ 0035 0x81, 0x06, /* Input (Data,Var,Rel) */ 0036 0x09, 0x82, /* Usage (Sys Sleep) */ 0037 0x81, 0x06, /* Input (Data,Var,Rel) */ 0038 0x09, 0x83, /* Usage (Sys Wake Up) */ 0039 0x81, 0x06, /* Input (Data,Var,Rel) */ 0040 0x75, 0x05, /* Report Size (5) */ 0041 0x81, 0x01, /* Input (Const,Array,Abs) */ 0042 0xC0, /* End Collection */ 0043 0x05, 0x0C, /* Usage Page (Consumer) */ 0044 0x09, 0x01, /* Usage (Consumer Control) */ 0045 0xA1, 0x01, /* Collection (Application) */ 0046 0x85, 0x03, /* Report ID (3) */ 0047 0x95, 0x01, /* Report Count (1) */ 0048 0x75, 0x10, /* Report Size (16) */ 0049 0x19, 0x00, /* Usage Minimum (Unassigned) */ 0050 0x2A, 0xFF, 0x7F, /* Usage Maximum (0x7FFF) */ 0051 0x81, 0x00, /* Input (Data,Array,Abs) */ 0052 0xC0, /* End Collection */ 0053 0x06, 0x7F, 0xFF, /* Usage Page (Vendor Defined 0xFF7F) */ 0054 0x09, 0x01, /* Usage (0x01) */ 0055 0xA1, 0x01, /* Collection (Application) */ 0056 0x85, 0x04, /* Report ID (4) */ 0057 0x95, 0x01, /* Report Count (1) */ 0058 0x75, 0x10, /* Report Size (16) */ 0059 0x19, 0x00, /* Usage Minimum (0x00) */ 0060 0x2A, 0xFF, 0x7F, /* Usage Maximum (0x7FFF) */ 0061 0x81, 0x00, /* Input (Data,Array,Abs) */ 0062 0x75, 0x02, /* Report Size (2) */ 0063 0x25, 0x02, /* Logical Maximum (2) */ 0064 0x09, 0x90, /* Usage (0x90) */ 0065 0xB1, 0x02, /* Feature (Data,Var,Abs) */ 0066 0x75, 0x06, /* Report Size (6) */ 0067 0xB1, 0x01, /* Feature (Const,Array,Abs) */ 0068 0x75, 0x01, /* Report Size (1) */ 0069 0x25, 0x01, /* Logical Maximum (1) */ 0070 0x05, 0x08, /* Usage Page (LEDs) */ 0071 0x09, 0x2A, /* Usage (On-Line) */ 0072 0x91, 0x02, /* Output (Data,Var,Abs) */ 0073 0x09, 0x4B, /* Usage (Generic Indicator) */ 0074 0x91, 0x02, /* Output (Data,Var,Abs) */ 0075 0x75, 0x06, /* Report Size (6) */ 0076 0x95, 0x01, /* Report Count (1) */ 0077 0x91, 0x01, /* Output (Const,Array,Abs) */ 0078 0xC0 /* End Collection */ 0079 }; 0080 0081 /* The patched descriptor, allowing media key events to be accepted as valid */ 0082 static u8 maltron_rdesc[] = { 0083 0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */ 0084 0x09, 0x80, /* Usage (Sys Control) */ 0085 0xA1, 0x01, /* Collection (Application) */ 0086 0x85, 0x02, /* Report ID (2) */ 0087 0x75, 0x01, /* Report Size (1) */ 0088 0x95, 0x01, /* Report Count (1) */ 0089 0x15, 0x00, /* Logical Minimum (0) */ 0090 0x25, 0x01, /* Logical Maximum (1) */ 0091 0x09, 0x82, /* Usage (Sys Sleep) */ 0092 0x81, 0x06, /* Input (Data,Var,Rel) */ 0093 0x09, 0x82, /* Usage (Sys Sleep) */ 0094 0x81, 0x06, /* Input (Data,Var,Rel) */ 0095 0x09, 0x83, /* Usage (Sys Wake Up) */ 0096 0x81, 0x06, /* Input (Data,Var,Rel) */ 0097 0x75, 0x05, /* Report Size (5) */ 0098 0x81, 0x01, /* Input (Const,Array,Abs) */ 0099 0xC0, /* End Collection */ 0100 0x05, 0x0C, /* Usage Page (Consumer) */ 0101 0x09, 0x01, /* Usage (Consumer Control) */ 0102 0xA1, 0x01, /* Collection (Application) */ 0103 0x85, 0x03, /* Report ID (3) */ 0104 0x15, 0x00, /* Logical Minimum (0) - changed */ 0105 0x26, 0xFF, 0x7F, /* Logical Maximum (32767) - changed */ 0106 0x95, 0x01, /* Report Count (1) */ 0107 0x75, 0x10, /* Report Size (16) */ 0108 0x19, 0x00, /* Usage Minimum (Unassigned) */ 0109 0x2A, 0xFF, 0x7F, /* Usage Maximum (0x7FFF) */ 0110 0x81, 0x00, /* Input (Data,Array,Abs) */ 0111 0xC0, /* End Collection */ 0112 0x06, 0x7F, 0xFF, /* Usage Page (Vendor Defined 0xFF7F) */ 0113 0x09, 0x01, /* Usage (0x01) */ 0114 0xA1, 0x01, /* Collection (Application) */ 0115 0x85, 0x04, /* Report ID (4) */ 0116 0x95, 0x01, /* Report Count (1) */ 0117 0x75, 0x10, /* Report Size (16) */ 0118 0x19, 0x00, /* Usage Minimum (0x00) */ 0119 0x2A, 0xFF, 0x7F, /* Usage Maximum (0x7FFF) */ 0120 0x81, 0x00, /* Input (Data,Array,Abs) */ 0121 0x75, 0x02, /* Report Size (2) */ 0122 0x25, 0x02, /* Logical Maximum (2) */ 0123 0x09, 0x90, /* Usage (0x90) */ 0124 0xB1, 0x02, /* Feature (Data,Var,Abs) */ 0125 0x75, 0x06, /* Report Size (6) */ 0126 0xB1, 0x01, /* Feature (Const,Array,Abs) */ 0127 0x75, 0x01, /* Report Size (1) */ 0128 0x25, 0x01, /* Logical Maximum (1) */ 0129 0x05, 0x08, /* Usage Page (LEDs) */ 0130 0x09, 0x2A, /* Usage (On-Line) */ 0131 0x91, 0x02, /* Output (Data,Var,Abs) */ 0132 0x09, 0x4B, /* Usage (Generic Indicator) */ 0133 0x91, 0x02, /* Output (Data,Var,Abs) */ 0134 0x75, 0x06, /* Report Size (6) */ 0135 0x95, 0x01, /* Report Count (1) */ 0136 0x91, 0x01, /* Output (Const,Array,Abs) */ 0137 0xC0 /* End Collection */ 0138 }; 0139 0140 static __u8 *maltron_report_fixup(struct hid_device *hdev, __u8 *rdesc, 0141 unsigned int *rsize) 0142 { 0143 if (*rsize == sizeof(maltron_rdesc_o) && 0144 !memcmp(maltron_rdesc_o, rdesc, sizeof(maltron_rdesc_o))) { 0145 hid_info(hdev, "Replacing Maltron L90 keyboard report descriptor\n"); 0146 *rsize = sizeof(maltron_rdesc); 0147 return maltron_rdesc; 0148 } 0149 return rdesc; 0150 } 0151 0152 static const struct hid_device_id maltron_devices[] = { 0153 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_MALTRON_KB)}, 0154 { } 0155 }; 0156 MODULE_DEVICE_TABLE(hid, maltron_devices); 0157 0158 static struct hid_driver maltron_driver = { 0159 .name = "maltron", 0160 .id_table = maltron_devices, 0161 .report_fixup = maltron_report_fixup 0162 }; 0163 module_hid_driver(maltron_driver); 0164 0165 MODULE_LICENSE("GPL");
| [ Source navigation ] | [ Diff markup ] | [ Identifier search ] | [ general search ] |
|
This page was automatically generated by the 2.1.0 LXR engine. The LXR team |
|