134 lines
2.8 KiB
C
Executable file
134 lines
2.8 KiB
C
Executable file
/*
|
|
* 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)\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);
|
|
}
|