134 lines
2.8 KiB
C
134 lines
2.8 KiB
C
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/*
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* Broadcom 43xx PCMCIA-SSB bridge module
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*
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* Copyright (c) 2007 Michael Buesch <m@bues.ch>
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*
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* Licensed under the GNU/GPL. See COPYING for details.
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*/
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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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#include "ssb_private.h"
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static const struct pcmcia_device_id ssb_host_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, ssb_host_pcmcia_tbl);
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static int ssb_host_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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ssb_err("Initialization failed (%d, %d)\n", res, err);
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return err;
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}
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static void ssb_host_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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#ifdef CONFIG_PM
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static int ssb_host_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 ssb_host_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 ssb_host_pcmcia_suspend NULL
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# define ssb_host_pcmcia_resume NULL
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#endif /* CONFIG_PM */
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static struct pcmcia_driver ssb_host_pcmcia_driver = {
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.owner = THIS_MODULE,
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.name = "ssb-pcmcia",
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.id_table = ssb_host_pcmcia_tbl,
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.probe = ssb_host_pcmcia_probe,
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.remove = ssb_host_pcmcia_remove,
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.suspend = ssb_host_pcmcia_suspend,
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.resume = ssb_host_pcmcia_resume,
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};
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static int pcmcia_init_failed;
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/*
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* These are not module init/exit functions!
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* The module_pcmcia_driver() helper cannot be used here.
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*/
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int ssb_host_pcmcia_init(void)
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{
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pcmcia_init_failed = pcmcia_register_driver(&ssb_host_pcmcia_driver);
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return pcmcia_init_failed;
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}
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void ssb_host_pcmcia_exit(void)
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{
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if (!pcmcia_init_failed)
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pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
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}
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