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/*
Broadcom B43 wireless driver
Copyright (c) 2007 Michael Buesch <mb@bu3sch.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "pcmcia.h"
#include <linux/ssb/ssb.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ciscode.h>
#include <pcmcia/ds.h>
#include <pcmcia/cisreg.h>
static /*const */ struct pcmcia_device_id b43_pcmcia_tbl[] = {
PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476),
PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, b43_pcmcia_tbl);
#ifdef CONFIG_PM
static int b43_pcmcia_suspend(struct pcmcia_device *dev)
{
struct ssb_bus *ssb = dev->priv;
return ssb_bus_suspend(ssb);
}
static int b43_pcmcia_resume(struct pcmcia_device *dev)
{
struct ssb_bus *ssb = dev->priv;
return ssb_bus_resume(ssb);
}
#else /* CONFIG_PM */
# define b43_pcmcia_suspend NULL
# define b43_pcmcia_resume NULL
#endif /* CONFIG_PM */
static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
{
struct ssb_bus *ssb;
win_req_t win;
memreq_t mem;
tuple_t tuple;
cisparse_t parse;
int err = -ENOMEM;
int res = 0;
unsigned char buf[64];
ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
if (!ssb)
goto out_error;
err = -ENODEV;
tuple.DesiredTuple = CISTPL_CONFIG;
tuple.Attributes = 0;
tuple.TupleData = buf;
tuple.TupleDataMax = sizeof(buf);
tuple.TupleOffset = 0;
res = pcmcia_get_first_tuple(dev, &tuple);
if (res != 0)
goto err_kfree_ssb;
res = pcmcia_get_tuple_data(dev, &tuple);
if (res != 0)
goto err_kfree_ssb;
res = pcmcia_parse_tuple(&tuple, &parse);
if (res != 0)
goto err_kfree_ssb;
dev->conf.ConfigBase = parse.config.base;
dev->conf.Present = parse.config.rmask[0];
dev->conf.Attributes = CONF_ENABLE_IRQ;
dev->conf.IntType = INT_MEMORY_AND_IO;
dev->io.BasePort2 = 0;
dev->io.NumPorts2 = 0;
dev->io.Attributes2 = 0;
win.Attributes = WIN_ADDR_SPACE_MEM | WIN_MEMORY_TYPE_CM |
WIN_ENABLE | WIN_DATA_WIDTH_16 |
WIN_USE_WAIT;
win.Base = 0;
win.Size = SSB_CORE_SIZE;
win.AccessSpeed = 250;
res = pcmcia_request_window(&dev, &win, &dev->win);
if (res != 0)
goto err_kfree_ssb;
mem.CardOffset = 0;
mem.Page = 0;
res = pcmcia_map_mem_page(dev->win, &mem);
if (res != 0)
goto err_disable;
dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
dev->irq.Handler = NULL; /* The handler is registered later. */
dev->irq.Instance = NULL;
res = pcmcia_request_irq(dev, &dev->irq);
if (res != 0)
goto err_disable;
res = pcmcia_request_configuration(dev, &dev->conf);
if (res != 0)
goto err_disable;
err = ssb_bus_pcmciabus_register(ssb, dev, win.Base);
if (err)
goto err_disable;
dev->priv = ssb;
return 0;
err_disable:
pcmcia_disable_device(dev);
err_kfree_ssb:
kfree(ssb);
out_error:
printk(KERN_ERR "b43-pcmcia: Initialization failed (%d, %d)\n",
res, err);
return err;
}
static void __devexit b43_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;
}
static struct pcmcia_driver b43_pcmcia_driver = {
.owner = THIS_MODULE,
.drv = {
.name = "b43-pcmcia",
},
.id_table = b43_pcmcia_tbl,
.probe = b43_pcmcia_probe,
.remove = __devexit_p(b43_pcmcia_remove),
.suspend = b43_pcmcia_suspend,
.resume = b43_pcmcia_resume,
};
int b43_pcmcia_init(void)
{
return pcmcia_register_driver(&b43_pcmcia_driver);
}
void b43_pcmcia_exit(void)
{
pcmcia_unregister_driver(&b43_pcmcia_driver);
}
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