/*
   *  HID driver for some petalynx "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/hid.h>
  #include <linux/module.h>
  
  #include "hid-ids.h"
  
  /* Petalynx Maxter Remote has maximum for consumer page set too low */

  static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc,
  		unsigned int *rsize)

  {

  	if (*rsize >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&

  			rdesc[41] == 0x00 && rdesc[59] == 0x26 &&
  			rdesc[60] == 0xf9 && rdesc[61] == 0x00) {

  		hid_info(hdev, "fixing up Petalynx Maxter Remote report descriptor
  ");

  		rdesc[60] = 0xfa;
  		rdesc[40] = 0xfa;
  	}

  	return rdesc;

  }
  
  #define pl_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
  					EV_KEY, (c))
  static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi,
  		struct hid_field *field, struct hid_usage *usage,
  		unsigned long **bit, int *max)
  {
  	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) {
  		switch (usage->hid & HID_USAGE) {
  		case 0x05a: pl_map_key_clear(KEY_TEXT);		break;
  		case 0x05b: pl_map_key_clear(KEY_RED);		break;
  		case 0x05c: pl_map_key_clear(KEY_GREEN);	break;
  		case 0x05d: pl_map_key_clear(KEY_YELLOW);	break;
  		case 0x05e: pl_map_key_clear(KEY_BLUE);		break;
  		default:
  			return 0;
  		}
  		return 1;
  	}
  
  	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
  		switch (usage->hid & HID_USAGE) {
  		case 0x0f6: pl_map_key_clear(KEY_NEXT);		break;
  		case 0x0fa: pl_map_key_clear(KEY_BACK);		break;
  		default:
  			return 0;
  		}
  		return 1;
  	}
  
  	return 0;
  }
  
  static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
  {
  	int ret;
  
  	hdev->quirks |= HID_QUIRK_NOGET;
  
  	ret = hid_parse(hdev);
  	if (ret) {

  		hid_err(hdev, "parse failed
  ");

  		goto err_free;
  	}

  	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);

  	if (ret) {

  		hid_err(hdev, "hw start failed
  ");

  		goto err_free;
  	}
  
  	return 0;
  err_free:
  	return ret;
  }
  
  static const struct hid_device_id pl_devices[] = {
  	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
  	{ }
  };
  MODULE_DEVICE_TABLE(hid, pl_devices);
  
  static struct hid_driver pl_driver = {
  	.name = "petalynx",
  	.id_table = pl_devices,
  	.report_fixup = pl_report_fixup,
  	.input_mapping = pl_input_mapping,
  	.probe = pl_probe,
  };

  static int __init pl_init(void)

  {
  	return hid_register_driver(&pl_driver);
  }

  static void __exit pl_exit(void)

  {
  	hid_unregister_driver(&pl_driver);
  }
  
  module_init(pl_init);
  module_exit(pl_exit);
  MODULE_LICENSE("GPL");