/*
* Broadcom 43 xx 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(0 x2D0, 0 x448),
PCMCIA_DEVICE_MANF_CARD(0 x2D0, 0 x476),
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)\n" , 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);
}
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(vorverarbeitet am 2026-09-28)
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