/*
   *  linux/arch/arm/mach-integrator/lm.c
   *
   *  Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #include <linux/module.h>
  #include <linux/init.h>
  #include <linux/device.h>

  #include <linux/slab.h>

  #include <mach/lm.h>

  
  #define to_lm_device(d)	container_of(d, struct lm_device, dev)
  #define to_lm_driver(d)	container_of(d, struct lm_driver, drv)
  
  static int lm_match(struct device *dev, struct device_driver *drv)
  {
  	return 1;
  }

  static int lm_bus_probe(struct device *dev)
  {
  	struct lm_device *lmdev = to_lm_device(dev);
  	struct lm_driver *lmdrv = to_lm_driver(dev->driver);
  
  	return lmdrv->probe(lmdev);
  }
  
  static int lm_bus_remove(struct device *dev)
  {
  	struct lm_device *lmdev = to_lm_device(dev);
  	struct lm_driver *lmdrv = to_lm_driver(dev->driver);

  	if (lmdrv->remove)
  		lmdrv->remove(lmdev);

  	return 0;
  }

  static struct bus_type lm_bustype = {
  	.name		= "logicmodule",
  	.match		= lm_match,
  	.probe		= lm_bus_probe,
  	.remove		= lm_bus_remove,
  //	.suspend	= lm_bus_suspend,
  //	.resume		= lm_bus_resume,
  };
  
  static int __init lm_init(void)
  {
  	return bus_register(&lm_bustype);
  }
  
  postcore_initcall(lm_init);

  int lm_driver_register(struct lm_driver *drv)
  {
  	drv->drv.bus = &lm_bustype;

  	return driver_register(&drv->drv);
  }
  
  void lm_driver_unregister(struct lm_driver *drv)
  {
  	driver_unregister(&drv->drv);
  }
  
  static void lm_device_release(struct device *dev)
  {
  	struct lm_device *d = to_lm_device(dev);
  
  	kfree(d);
  }
  
  int lm_device_register(struct lm_device *dev)
  {
  	int ret;
  
  	dev->dev.release = lm_device_release;
  	dev->dev.bus = &lm_bustype;

  	ret = dev_set_name(&dev->dev, "lm%d", dev->id);
  	if (ret)
  		return ret;
  	dev->resource.name = dev_name(&dev->dev);

  
  	ret = request_resource(&iomem_resource, &dev->resource);
  	if (ret == 0) {
  		ret = device_register(&dev->dev);
  		if (ret)
  			release_resource(&dev->resource);
  	}
  	return ret;
  }
  
  EXPORT_SYMBOL(lm_driver_register);
  EXPORT_SYMBOL(lm_driver_unregister);