[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / b43 / pcmcia.c

/*

  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 <linux/slab.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;
	int err = -ENOMEM;
	int res = 0;

	ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
	if (!ssb)
		goto out_error;

	err = -ENODEV;

	dev->conf.Attributes = CONF_ENABLE_IRQ;
	dev->conf.IntType = INT_MEMORY_AND_IO;

	win.Attributes =  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;

	res = pcmcia_map_mem_page(dev, dev->win, 0);
	if (res != 0)
		goto err_disable;

	if (!dev->irq)
		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);
}
Commit	Line	Data
e4d6b795 MB	1	/*
	2
	3	Broadcom B43 wireless driver
	4
	5	Copyright (c) 2007 Michael Buesch <mb@bu3sch.de>
	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
1a09404a MB	24	#include "pcmcia.h"
1a09404a MB	25
e4d6b795	26	#include <linux/ssb/ssb.h>
5a0e3ad6	27	#include <linux/slab.h>
e4d6b795	28
e4d6b795 MB	29	#include <pcmcia/cs.h>
	30	#include <pcmcia/cistpl.h>
	31	#include <pcmcia/ciscode.h>
	32	#include <pcmcia/ds.h>
	33	#include <pcmcia/cisreg.h>
	34
1a09404a	35
e4d6b795 MB	36	static /const / struct pcmcia_device_id b43_pcmcia_tbl[] = {
e4d6b795 MB	37	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
cff782cd	38	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476),
e4d6b795 MB	39	PCMCIA_DEVICE_NULL,
	40	};
	41
	42	MODULE_DEVICE_TABLE(pcmcia, b43_pcmcia_tbl);
	43
	44	#ifdef CONFIG_PM
	45	static int b43_pcmcia_suspend(struct pcmcia_device *dev)
	46	{
8fe2b65a MB	47	struct ssb_bus *ssb = dev->priv;
	48
	49	return ssb_bus_suspend(ssb);
e4d6b795 MB	50	}
	51
	52	static int b43_pcmcia_resume(struct pcmcia_device *dev)
	53	{
8fe2b65a MB	54	struct ssb_bus *ssb = dev->priv;
	55
	56	return ssb_bus_resume(ssb);
e4d6b795 MB	57	}
	58	#else /* CONFIG_PM */
	59	# define b43_pcmcia_suspend NULL
	60	# define b43_pcmcia_resume NULL
	61	#endif /* CONFIG_PM */
	62
	63	static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
	64	{
	65	struct ssb_bus *ssb;
	66	win_req_t win;
e4d6b795	67	int err = -ENOMEM;
ce2d9059	68	int res = 0;
e4d6b795 MB	69
	70	ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
	71	if (!ssb)
ce2d9059	72	goto out_error;
e4d6b795 MB	73
e4d6b795 MB	74	err = -ENODEV;
e4d6b795	75
e6458901 MB	76	dev->conf.Attributes = CONF_ENABLE_IRQ;
e6458901 MB	77	dev->conf.IntType = INT_MEMORY_AND_IO;
e4d6b795	78
0ca724d3	79	win.Attributes = WIN_ENABLE \| WIN_DATA_WIDTH_16 \|
ce2d9059	80	WIN_USE_WAIT;
e4d6b795 MB	81	win.Base = 0;
e4d6b795 MB	82	win.Size = SSB_CORE_SIZE;
ce2d9059	83	win.AccessSpeed = 250;
6838b03f	84	res = pcmcia_request_window(dev, &win, &dev->win);
4c89e88b	85	if (res != 0)
e4d6b795 MB	86	goto err_kfree_ssb;
e4d6b795 MB	87
b5cb259e	88	res = pcmcia_map_mem_page(dev, dev->win, 0);
4c89e88b	89	if (res != 0)
ce2d9059	90	goto err_disable;
e4d6b795	91
eb14120f	92	if (!dev->irq)
9dcb5f47 MB	93	goto err_disable;
9dcb5f47 MB	94
e4d6b795	95	res = pcmcia_request_configuration(dev, &dev->conf);
4c89e88b	96	if (res != 0)
e4d6b795 MB	97	goto err_disable;
	98
	99	err = ssb_bus_pcmciabus_register(ssb, dev, win.Base);
ce2d9059 MB	100	if (err)
ce2d9059 MB	101	goto err_disable;
e4d6b795 MB	102	dev->priv = ssb;
e4d6b795 MB	103
ce2d9059 MB	104	return 0;
	105
	106	err_disable:
e4d6b795	107	pcmcia_disable_device(dev);
ce2d9059	108	err_kfree_ssb:
e4d6b795	109	kfree(ssb);
ce2d9059 MB	110	out_error:
	111	printk(KERN_ERR "b43-pcmcia: Initialization failed (%d, %d)\n",
	112	res, err);
e4d6b795 MB	113	return err;
	114	}
	115
	116	static void __devexit b43_pcmcia_remove(struct pcmcia_device *dev)
	117	{
	118	struct ssb_bus *ssb = dev->priv;
	119
	120	ssb_bus_unregister(ssb);
e4d6b795 MB	121	pcmcia_disable_device(dev);
	122	kfree(ssb);
	123	dev->priv = NULL;
	124	}
	125
	126	static struct pcmcia_driver b43_pcmcia_driver = {
ce2d9059 MB	127	.owner = THIS_MODULE,
	128	.drv = {
	129	.name = "b43-pcmcia",
	130	},
	131	.id_table = b43_pcmcia_tbl,
	132	.probe = b43_pcmcia_probe,
	133	.remove = __devexit_p(b43_pcmcia_remove),
	134	.suspend = b43_pcmcia_suspend,
	135	.resume = b43_pcmcia_resume,
e4d6b795 MB	136	};
	137
	138	int b43_pcmcia_init(void)
	139	{
	140	return pcmcia_register_driver(&b43_pcmcia_driver);
	141	}
	142
	143	void b43_pcmcia_exit(void)
	144	{
	145	pcmcia_unregister_driver(&b43_pcmcia_driver);
	146	}