/* * HID driver for some microsoft "special" devices * * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2007 Jiri Kosina * Copyright (c) 2007 Paul Walmsley * Copyright (c) 2008 Jiri Slaby */ /* * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. */ #include <linux/device.h> #include <linux/input.h> #include <linux/hid.h> #include <linux/module.h> #include "hid-ids.h" #define MS_HIDINPUT 0x01 #define MS_ERGONOMY 0x02 #define MS_PRESENTER 0x04 #define MS_RDESC 0x08 #define MS_NOGET 0x10 /* * Microsoft Wireless Desktop Receiver (Model 1028) has * 'Usage Min/Max' where it ought to have 'Physical Min/Max' */ static void ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int rsize) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); if ((quirks & MS_RDESC) && rsize == 571 && rdesc[557] == 0x19 && rdesc[559] == 0x29) { dev_info(&hdev->dev, "fixing up Microsoft Wireless Receiver " "Model 1028 report descriptor\n"); rdesc[557] = 0x35; rdesc[559] = 0x45; } } #define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ EV_KEY, (c)) static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, unsigned long **bit, int *max) { struct input_dev *input = hi->input; switch (usage->hid & HID_USAGE) { case 0xfd06: ms_map_key_clear(KEY_CHAT); break; case 0xfd07: ms_map_key_clear(KEY_PHONE); break; case 0xff05: set_bit(EV_REP, input->evbit); ms_map_key_clear(KEY_F13); set_bit(KEY_F14, input->keybit); set_bit(KEY_F15, input->keybit); set_bit(KEY_F16, input->keybit); set_bit(KEY_F17, input->keybit); set_bit(KEY_F18, input->keybit); default: return 0; } return 1; } static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage, unsigned long **bit, int *max) { set_bit(EV_REP, hi->input->evbit); switch (usage->hid & HID_USAGE) { case 0xfd08: ms_map_key_clear(KEY_FORWARD); break; case 0xfd09: ms_map_key_clear(KEY_BACK); break; case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break; case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break; case 0xfd0f: ms_map_key_clear(KEY_PLAY); break; default: return 0; } return 1; } static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) return 0; if (quirks & MS_ERGONOMY) { int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max); if (ret) return ret; } if ((quirks & MS_PRESENTER) && ms_presenter_8k_quirk(hi, usage, bit, max)) return 1; return 0; } static int ms_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || !usage->type) return 0; /* Handling MS keyboards special buttons */ if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) { struct input_dev *input = field->hidinput->input; static unsigned int last_key = 0; unsigned int key = 0; switch (value) { case 0x01: key = KEY_F14; break; case 0x02: key = KEY_F15; break; case 0x04: key = KEY_F16; break; case 0x08: key = KEY_F17; break; case 0x10: key = KEY_F18; break; } if (key) { input_event(input, usage->type, key, 1); last_key = key; } else input_event(input, usage->type, last_key, 0); return 1; } return 0; } static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) { unsigned long quirks = id->driver_data; int ret; hid_set_drvdata(hdev, (void *)quirks); if (quirks & MS_NOGET) hdev->quirks |= HID_QUIRK_NOGET; ret = hid_parse(hdev); if (ret) { dev_err(&hdev->dev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ? HID_CONNECT_HIDINPUT_FORCE : 0)); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; } return 0; err_free: return ret; } static const struct hid_device_id ms_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV), .driver_data = MS_HIDINPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K), .driver_data = MS_ERGONOMY }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K), .driver_data = MS_ERGONOMY | MS_RDESC }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), .driver_data = MS_PRESENTER }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), .driver_data = MS_NOGET }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), .driver_data = MS_PRESENTER }, { } }; MODULE_DEVICE_TABLE(hid, ms_devices); static struct hid_driver ms_driver = { .name = "microsoft", .id_table = ms_devices, .report_fixup = ms_report_fixup, .input_mapping = ms_input_mapping, .event = ms_event, .probe = ms_probe, }; static int __init ms_init(void) { return hid_register_driver(&ms_driver); } static void __exit ms_exit(void) { hid_unregister_driver(&ms_driver); } module_init(ms_init); module_exit(ms_exit); MODULE_LICENSE("GPL");