/*
   * via-pmu event device for reporting some events that come through the PMU
   *
   * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
   *
   * 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.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
   * NON INFRINGEMENT.  See the GNU General Public License for more
   * details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
   *
   */
  
  #include <linux/input.h>
  #include <linux/adb.h>
  #include <linux/pmu.h>
  #include "via-pmu-event.h"
  
  static struct input_dev *pmu_input_dev;
  
  static int __init via_pmu_event_init(void)
  {
  	int err;
  
  	/* do other models report button/lid status? */
  	if (pmu_get_model() != PMU_KEYLARGO_BASED)
  		return -ENODEV;
  
  	pmu_input_dev = input_allocate_device();
  	if (!pmu_input_dev)
  		return -ENOMEM;
  
  	pmu_input_dev->name = "PMU";
  	pmu_input_dev->id.bustype = BUS_HOST;
  	pmu_input_dev->id.vendor = 0x0001;
  	pmu_input_dev->id.product = 0x0001;
  	pmu_input_dev->id.version = 0x0100;
  
  	set_bit(EV_KEY, pmu_input_dev->evbit);
  	set_bit(EV_SW, pmu_input_dev->evbit);
  	set_bit(KEY_POWER, pmu_input_dev->keybit);
  	set_bit(SW_LID, pmu_input_dev->swbit);
  
  	err = input_register_device(pmu_input_dev);
  	if (err)
  		input_free_device(pmu_input_dev);
  	return err;
  }
  
  void via_pmu_event(int key, int down)
  {
  
  	if (unlikely(!pmu_input_dev))
  		return;
  
  	switch (key) {
  	case PMU_EVT_POWER:
  		input_report_key(pmu_input_dev, KEY_POWER, down);
  		break;
  	case PMU_EVT_LID:
  		input_report_switch(pmu_input_dev, SW_LID, down);
  		break;
  	default:
  		/* no such key handled */
  		return;
  	}
  
  	input_sync(pmu_input_dev);
  }
  
  late_initcall(via_pmu_event_init);