/*
   * Broadcom 43xx PCMCIA-SSB bridge module
   *
   * Copyright (c) 2007 Michael Buesch <m@bues.ch>
   *
   * Licensed under the GNU/GPL. See COPYING for details.
   */

  #include "ssb_private.h"

  #include <linux/ssb/ssb.h>
  #include <linux/slab.h>
  #include <linux/module.h>
  
  #include <pcmcia/cistpl.h>
  #include <pcmcia/ciscode.h>
  #include <pcmcia/ds.h>
  #include <pcmcia/cisreg.h>

  static const struct pcmcia_device_id ssb_host_pcmcia_tbl[] = {
  	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
  	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476),
  	PCMCIA_DEVICE_NULL,
  };
  
  MODULE_DEVICE_TABLE(pcmcia, ssb_host_pcmcia_tbl);
  
  static int ssb_host_pcmcia_probe(struct pcmcia_device *dev)
  {
  	struct ssb_bus *ssb;
  	int err = -ENOMEM;
  	int res = 0;
  
  	ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
  	if (!ssb)
  		goto out_error;
  
  	err = -ENODEV;
  
  	dev->config_flags |= CONF_ENABLE_IRQ;
  
  	dev->resource[2]->flags |=  WIN_ENABLE | WIN_DATA_WIDTH_16 |
  			 WIN_USE_WAIT;
  	dev->resource[2]->start = 0;
  	dev->resource[2]->end = SSB_CORE_SIZE;
  	res = pcmcia_request_window(dev, dev->resource[2], 250);
  	if (res != 0)
  		goto err_kfree_ssb;
  
  	res = pcmcia_map_mem_page(dev, dev->resource[2], 0);
  	if (res != 0)
  		goto err_disable;
  
  	if (!dev->irq)
  		goto err_disable;
  
  	res = pcmcia_enable_device(dev);
  	if (res != 0)
  		goto err_disable;
  
  	err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start);
  	if (err)
  		goto err_disable;
  	dev->priv = ssb;
  
  	return 0;
  
  err_disable:
  	pcmcia_disable_device(dev);
  err_kfree_ssb:
  	kfree(ssb);
  out_error:

  	dev_err(&dev->dev, "Initialization failed (%d, %d)
  ", res, err);

  	return err;
  }
  
  static void ssb_host_pcmcia_remove(struct pcmcia_device *dev)
  {
  	struct ssb_bus *ssb = dev->priv;
  
  	ssb_bus_unregister(ssb);
  	pcmcia_disable_device(dev);
  	kfree(ssb);
  	dev->priv = NULL;
  }
  
  #ifdef CONFIG_PM
  static int ssb_host_pcmcia_suspend(struct pcmcia_device *dev)
  {
  	struct ssb_bus *ssb = dev->priv;
  
  	return ssb_bus_suspend(ssb);
  }
  
  static int ssb_host_pcmcia_resume(struct pcmcia_device *dev)
  {
  	struct ssb_bus *ssb = dev->priv;
  
  	return ssb_bus_resume(ssb);
  }
  #else /* CONFIG_PM */
  # define ssb_host_pcmcia_suspend		NULL
  # define ssb_host_pcmcia_resume		NULL
  #endif /* CONFIG_PM */
  
  static struct pcmcia_driver ssb_host_pcmcia_driver = {
  	.owner		= THIS_MODULE,
  	.name		= "ssb-pcmcia",
  	.id_table	= ssb_host_pcmcia_tbl,
  	.probe		= ssb_host_pcmcia_probe,
  	.remove		= ssb_host_pcmcia_remove,
  	.suspend	= ssb_host_pcmcia_suspend,
  	.resume		= ssb_host_pcmcia_resume,
  };

  static int pcmcia_init_failed;

  /*
   * These are not module init/exit functions!
   * The module_pcmcia_driver() helper cannot be used here.
   */
  int ssb_host_pcmcia_init(void)
  {

  	pcmcia_init_failed = pcmcia_register_driver(&ssb_host_pcmcia_driver);
  
  	return pcmcia_init_failed;

  }
  
  void ssb_host_pcmcia_exit(void)
  {

  	if (!pcmcia_init_failed)
  		pcmcia_unregister_driver(&ssb_host_pcmcia_driver);

  }