1/*
  2
  3  Broadcom B43 wireless driver
  4
  5  Copyright (c) 2007 Michael Buesch <m@bues.ch>
  6
  7  This program is free software; you can redistribute it and/or modify
  8  it under the terms of the GNU General Public License as published by
  9  the Free Software Foundation; either version 2 of the License, or
 10  (at your option) any later version.
 11
 12  This program is distributed in the hope that it will be useful,
 13  but WITHOUT ANY WARRANTY; without even the implied warranty of
 14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15  GNU General Public License for more details.
 16
 17  You should have received a copy of the GNU General Public License
 18  along with this program; see the file COPYING.  If not, write to
 19  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
 20  Boston, MA 02110-1301, USA.
 21
 22*/
 23
 24#include "pcmcia.h"
 25
 26#include <linux/ssb/ssb.h>
 27#include <linux/slab.h>
 28#include <linux/module.h>
 29
 30#include <pcmcia/cistpl.h>
 31#include <pcmcia/ciscode.h>
 32#include <pcmcia/ds.h>
 33#include <pcmcia/cisreg.h>
 34
 35
 36static const struct pcmcia_device_id b43_pcmcia_tbl[] = {
 37	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
 38	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476),
 39	PCMCIA_DEVICE_NULL,
 40};
 41
 42MODULE_DEVICE_TABLE(pcmcia, b43_pcmcia_tbl);
 43
 44#ifdef CONFIG_PM
 45static int b43_pcmcia_suspend(struct pcmcia_device *dev)
 46{
 47	struct ssb_bus *ssb = dev->priv;
 48
 49	return ssb_bus_suspend(ssb);
 50}
 51
 52static int b43_pcmcia_resume(struct pcmcia_device *dev)
 53{
 54	struct ssb_bus *ssb = dev->priv;
 55
 56	return ssb_bus_resume(ssb);
 57}
 58#else /* CONFIG_PM */
 59# define b43_pcmcia_suspend		NULL
 60# define b43_pcmcia_resume		NULL
 61#endif /* CONFIG_PM */
 62
 63static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
 64{
 65	struct ssb_bus *ssb;
 66	int err = -ENOMEM;
 67	int res = 0;
 68
 69	ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
 70	if (!ssb)
 71		goto out_error;
 72
 73	err = -ENODEV;
 74
 75	dev->config_flags |= CONF_ENABLE_IRQ;
 76
 77	dev->resource[2]->flags |=  WIN_ENABLE | WIN_DATA_WIDTH_16 |
 78			 WIN_USE_WAIT;
 79	dev->resource[2]->start = 0;
 80	dev->resource[2]->end = SSB_CORE_SIZE;
 81	res = pcmcia_request_window(dev, dev->resource[2], 250);
 82	if (res != 0)
 83		goto err_kfree_ssb;
 84
 85	res = pcmcia_map_mem_page(dev, dev->resource[2], 0);
 86	if (res != 0)
 87		goto err_disable;
 88
 89	if (!dev->irq)
 90		goto err_disable;
 91
 92	res = pcmcia_enable_device(dev);
 93	if (res != 0)
 94		goto err_disable;
 95
 96	err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start);
 97	if (err)
 98		goto err_disable;
 99	dev->priv = ssb;
100
101	return 0;
102
103err_disable:
104	pcmcia_disable_device(dev);
105err_kfree_ssb:
106	kfree(ssb);
107out_error:
108	printk(KERN_ERR "b43-pcmcia: Initialization failed (%d, %d)\n",
109	       res, err);
110	return err;
111}
112
113static void __devexit b43_pcmcia_remove(struct pcmcia_device *dev)
114{
115	struct ssb_bus *ssb = dev->priv;
116
117	ssb_bus_unregister(ssb);
118	pcmcia_disable_device(dev);
119	kfree(ssb);
120	dev->priv = NULL;
121}
122
123static struct pcmcia_driver b43_pcmcia_driver = {
124	.owner		= THIS_MODULE,
125	.name		= "b43-pcmcia",
126	.id_table	= b43_pcmcia_tbl,
127	.probe		= b43_pcmcia_probe,
128	.remove		= __devexit_p(b43_pcmcia_remove),
129	.suspend	= b43_pcmcia_suspend,
130	.resume		= b43_pcmcia_resume,
131};
132
133int b43_pcmcia_init(void)
134{
135	return pcmcia_register_driver(&b43_pcmcia_driver);
136}
137
138void b43_pcmcia_exit(void)
139{
140	pcmcia_unregister_driver(&b43_pcmcia_driver);
141}