mirror of https://gitee.com/openkylin/linux.git
142 lines
3.2 KiB
C
142 lines
3.2 KiB
C
/*
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Broadcom B43 wireless driver
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Copyright (c) 2007 Michael Buesch <m@bues.ch>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "pcmcia.h"
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#include <linux/ssb/ssb.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/ciscode.h>
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#include <pcmcia/ds.h>
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#include <pcmcia/cisreg.h>
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static const struct pcmcia_device_id b43_pcmcia_tbl[] = {
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PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
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PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476),
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PCMCIA_DEVICE_NULL,
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};
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MODULE_DEVICE_TABLE(pcmcia, b43_pcmcia_tbl);
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#ifdef CONFIG_PM
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static int b43_pcmcia_suspend(struct pcmcia_device *dev)
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{
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struct ssb_bus *ssb = dev->priv;
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return ssb_bus_suspend(ssb);
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}
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static int b43_pcmcia_resume(struct pcmcia_device *dev)
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{
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struct ssb_bus *ssb = dev->priv;
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return ssb_bus_resume(ssb);
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}
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#else /* CONFIG_PM */
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# define b43_pcmcia_suspend NULL
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# define b43_pcmcia_resume NULL
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#endif /* CONFIG_PM */
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static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
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{
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struct ssb_bus *ssb;
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int err = -ENOMEM;
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int res = 0;
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ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
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if (!ssb)
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goto out_error;
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err = -ENODEV;
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dev->config_flags |= CONF_ENABLE_IRQ;
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dev->resource[2]->flags |= WIN_ENABLE | WIN_DATA_WIDTH_16 |
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WIN_USE_WAIT;
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dev->resource[2]->start = 0;
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dev->resource[2]->end = SSB_CORE_SIZE;
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res = pcmcia_request_window(dev, dev->resource[2], 250);
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if (res != 0)
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goto err_kfree_ssb;
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res = pcmcia_map_mem_page(dev, dev->resource[2], 0);
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if (res != 0)
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goto err_disable;
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if (!dev->irq)
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goto err_disable;
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res = pcmcia_enable_device(dev);
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if (res != 0)
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goto err_disable;
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err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start);
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if (err)
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goto err_disable;
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dev->priv = ssb;
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return 0;
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err_disable:
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pcmcia_disable_device(dev);
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err_kfree_ssb:
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kfree(ssb);
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out_error:
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printk(KERN_ERR "b43-pcmcia: Initialization failed (%d, %d)\n",
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res, err);
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return err;
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}
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static void __devexit b43_pcmcia_remove(struct pcmcia_device *dev)
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{
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struct ssb_bus *ssb = dev->priv;
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ssb_bus_unregister(ssb);
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pcmcia_disable_device(dev);
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kfree(ssb);
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dev->priv = NULL;
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}
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static struct pcmcia_driver b43_pcmcia_driver = {
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.owner = THIS_MODULE,
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.name = "b43-pcmcia",
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.id_table = b43_pcmcia_tbl,
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.probe = b43_pcmcia_probe,
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.remove = __devexit_p(b43_pcmcia_remove),
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.suspend = b43_pcmcia_suspend,
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.resume = b43_pcmcia_resume,
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};
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int b43_pcmcia_init(void)
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{
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return pcmcia_register_driver(&b43_pcmcia_driver);
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}
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void b43_pcmcia_exit(void)
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{
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pcmcia_unregister_driver(&b43_pcmcia_driver);
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}
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