69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/*
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* HID driver for some sunplus "special" devices
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*
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* Copyright (c) 1999 Andreas Gal
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* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
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* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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* Copyright (c) 2006-2007 Jiri Kosina
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* Copyright (c) 2008 Jiri Slaby
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include "hid-ids.h"
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static __u8 *sp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int *rsize)
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{
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if (*rsize >= 112 && rdesc[104] == 0x26 && rdesc[105] == 0x80 &&
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rdesc[106] == 0x03) {
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hid_info(hdev, "fixing up Sunplus Wireless Desktop report descriptor\n");
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rdesc[105] = rdesc[110] = 0x03;
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rdesc[106] = rdesc[111] = 0x21;
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}
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return rdesc;
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}
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#define sp_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
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EV_KEY, (c))
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static int sp_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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struct hid_field *field, struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
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return 0;
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switch (usage->hid & HID_USAGE) {
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case 0x2003: sp_map_key_clear(KEY_ZOOMIN); break;
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case 0x2103: sp_map_key_clear(KEY_ZOOMOUT); break;
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default:
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return 0;
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}
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return 1;
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}
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static const struct hid_device_id sp_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, sp_devices);
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static struct hid_driver sp_driver = {
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.name = "sunplus",
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.id_table = sp_devices,
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.report_fixup = sp_report_fixup,
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.input_mapping = sp_input_mapping,
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};
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module_hid_driver(sp_driver);
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MODULE_LICENSE("GPL");
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