121 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *  HID driver for some petalynx "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) 2007 Paul Walmsley
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|  *  Copyright (c) 2008 Jiri Slaby
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|  */
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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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| 
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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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| 
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| #include "hid-ids.h"
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| 
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| /* Petalynx Maxter Remote has maximum for consumer page set too low */
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| static void pl_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 >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&
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| 			rdesc[41] == 0x00 && rdesc[59] == 0x26 &&
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| 			rdesc[60] == 0xf9 && rdesc[61] == 0x00) {
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| 		dev_info(&hdev->dev, "fixing up Petalynx Maxter Remote report "
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| 				"descriptor\n");
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| 		rdesc[60] = 0xfa;
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| 		rdesc[40] = 0xfa;
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| 	}
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| }
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| 
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| #define pl_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 pl_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_LOGIVENDOR) {
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| 		switch (usage->hid & HID_USAGE) {
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| 		case 0x05a: pl_map_key_clear(KEY_TEXT);		break;
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| 		case 0x05b: pl_map_key_clear(KEY_RED);		break;
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| 		case 0x05c: pl_map_key_clear(KEY_GREEN);	break;
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| 		case 0x05d: pl_map_key_clear(KEY_YELLOW);	break;
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| 		case 0x05e: pl_map_key_clear(KEY_BLUE);		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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| 
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| 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
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| 		switch (usage->hid & HID_USAGE) {
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| 		case 0x0f6: pl_map_key_clear(KEY_NEXT);		break;
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| 		case 0x0fa: pl_map_key_clear(KEY_BACK);		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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| 
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| 	return 0;
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| }
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| 
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| static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
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| {
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| 	int ret;
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| 
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| 	hdev->quirks |= HID_QUIRK_NOGET;
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| 
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| 	ret = hid_parse(hdev);
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| 	if (ret) {
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| 		dev_err(&hdev->dev, "parse failed\n");
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| 		goto err_free;
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| 	}
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| 
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| 	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
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| 	if (ret) {
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| 		dev_err(&hdev->dev, "hw start failed\n");
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| 		goto err_free;
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| 	}
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| 
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| 	return 0;
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| err_free:
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| 	return ret;
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| }
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| 
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| static const struct hid_device_id pl_devices[] = {
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| 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
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| 	{ }
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| };
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| MODULE_DEVICE_TABLE(hid, pl_devices);
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| 
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| static struct hid_driver pl_driver = {
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| 	.name = "petalynx",
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| 	.id_table = pl_devices,
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| 	.report_fixup = pl_report_fixup,
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| 	.input_mapping = pl_input_mapping,
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| 	.probe = pl_probe,
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| };
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| 
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| static int __init pl_init(void)
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| {
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| 	return hid_register_driver(&pl_driver);
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| }
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| 
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| static void __exit pl_exit(void)
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| {
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| 	hid_unregister_driver(&pl_driver);
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| }
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| 
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| module_init(pl_init);
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| module_exit(pl_exit);
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| MODULE_LICENSE("GPL");
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