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kernel add
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/*
* Broadcom 43xx PCMCIA-SSB bridge module
*
* Copyright (c) 2007 Michael Buesch <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#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>
#include "ssb_private.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:
ssb_err("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,
};
/*
* These are not module init/exit functions!
* The module_pcmcia_driver() helper cannot be used here.
*/
int ssb_host_pcmcia_init(void)
{
return pcmcia_register_driver(&ssb_host_pcmcia_driver);
}
void ssb_host_pcmcia_exit(void)
{
pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
}
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