[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / airo_cs.c

/*======================================================================

    Aironet driver for 4500 and 4800 series cards

    This code is released under both the GPL version 2 and BSD licenses.
    Either license may be used.  The respective licenses are found at
    the end of this file.

    This code was developed by Benjamin Reed <breed@users.sourceforge.net>
    including portions of which come from the Aironet PC4500
    Developer's Reference Manual and used with permission.  Copyright
    (C) 1999 Benjamin Reed.  All Rights Reserved.  Permission to use
    code in the Developer's manual was granted for this driver by
    Aironet.

    In addition this module was derived from dummy_cs.
    The initial developer of dummy_cs is David A. Hinds
    <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
    are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.

======================================================================*/

#ifdef __IN_PCMCIA_PACKAGE__
#include <pcmcia/k_compat.h>
#endif
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/netdevice.h>

#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>

#include <linux/io.h>
#include <asm/system.h>

#include "airo.h"


/*====================================================================*/

MODULE_AUTHOR("Benjamin Reed");
MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet "
		   "cards.  This is the module that links the PCMCIA card "
		   "with the airo module.");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards");

/*====================================================================*/

/*
   The event() function is this driver's Card Services event handler.
   It will be called by Card Services when an appropriate card status
   event is received.  The config() and release() entry points are
   used to configure or release a socket, in response to card
   insertion and ejection events.  They are invoked from the airo_cs
   event handler.
*/

static int airo_config(struct pcmcia_device *link);
static void airo_release(struct pcmcia_device *link);

/*
   The attach() and detach() entry points are used to create and destroy
   "instances" of the driver, where each instance represents everything
   needed to manage one actual PCMCIA card.
*/

static void airo_detach(struct pcmcia_device *p_dev);

typedef struct local_info_t {
	struct net_device *eth_dev;
} local_info_t;

/*======================================================================

  airo_attach() creates an "instance" of the driver, allocating
  local data structures for one device.  The device is registered
  with Card Services.

  The dev_link structure is initialized, but we don't actually
  configure the card at this point -- we wait until we receive a
  card insertion event.

  ======================================================================*/

static int airo_probe(struct pcmcia_device *p_dev)
{
	local_info_t *local;

	dev_dbg(&p_dev->dev, "airo_attach()\n");

	/*
	  General socket configuration defaults can go here.  In this
	  client, we assume very little, and rely on the CIS for almost
	  everything.  In most clients, many details (i.e., number, sizes,
	  and attributes of IO windows) are fixed by the nature of the
	  device, and can be hard-wired here.
	*/
	p_dev->conf.Attributes = 0;
	p_dev->conf.IntType = INT_MEMORY_AND_IO;

	/* Allocate space for private device-specific data */
	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
	if (!local) {
		printk(KERN_ERR "airo_cs: no memory for new device\n");
		return -ENOMEM;
	}
	p_dev->priv = local;

	return airo_config(p_dev);
} /* airo_attach */

/*======================================================================

  This deletes a driver "instance".  The device is de-registered
  with Card Services.  If it has been released, all local data
  structures are freed.  Otherwise, the structures will be freed
  when the device is released.

  ======================================================================*/

static void airo_detach(struct pcmcia_device *link)
{
	dev_dbg(&link->dev, "airo_detach\n");

	airo_release(link);

	if (((local_info_t *)link->priv)->eth_dev) {
		stop_airo_card(((local_info_t *)link->priv)->eth_dev, 0);
	}
	((local_info_t *)link->priv)->eth_dev = NULL;

	kfree(link->priv);
} /* airo_detach */

/*======================================================================

  airo_config() is scheduled to run after a CARD_INSERTION event
  is received, to configure the PCMCIA socket, and to make the
  device available to the system.

  ======================================================================*/

static int airo_cs_config_check(struct pcmcia_device *p_dev,
				cistpl_cftable_entry_t *cfg,
				cistpl_cftable_entry_t *dflt,
				unsigned int vcc,
				void *priv_data)
{
	win_req_t *req = priv_data;

	if (cfg->index == 0)
		return -ENODEV;

	/* Does this card need audio output? */
	if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
		p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
		p_dev->conf.Status = CCSR_AUDIO_ENA;
	}

	/* Use power settings for Vcc and Vpp if present */
	/*  Note that the CIS values need to be rescaled */
	if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
		p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
	else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
		p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;

	p_dev->conf.Attributes |= CONF_ENABLE_IRQ;

	/* IO window settings */
	p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
	if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
		cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
		p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
		if (!(io->flags & CISTPL_IO_8BIT))
			p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
		if (!(io->flags & CISTPL_IO_16BIT))
			p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
		p_dev->io.BasePort1 = io->win[0].base;
		p_dev->io.NumPorts1 = io->win[0].len;
		if (io->nwin > 1) {
			p_dev->io.Attributes2 = p_dev->io.Attributes1;
			p_dev->io.BasePort2 = io->win[1].base;
			p_dev->io.NumPorts2 = io->win[1].len;
		}
	}

	/* This reserves IO space but doesn't actually enable it */
	if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
		return -ENODEV;

	/*
	  Now set up a common memory window, if needed.  There is room
	  in the struct pcmcia_device structure for one memory window handle,
	  but if the base addresses need to be saved, or if multiple
	  windows are needed, the info should go in the private data
	  structure for this device.

	  Note that the memory window base is a physical address, and
	  needs to be mapped to virtual space with ioremap() before it
	  is used.
	*/
	if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
		cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
		memreq_t map;
		req->Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
		req->Base = mem->win[0].host_addr;
		req->Size = mem->win[0].len;
		req->AccessSpeed = 0;
		if (pcmcia_request_window(p_dev, req, &p_dev->win) != 0)
			return -ENODEV;
		map.Page = 0;
		map.CardOffset = mem->win[0].card_addr;
		if (pcmcia_map_mem_page(p_dev, p_dev->win, &map) != 0)
			return -ENODEV;
	}
	/* If we got this far, we're cool! */
	return 0;
}


static int airo_config(struct pcmcia_device *link)
{
	local_info_t *dev;
	win_req_t *req;
	int ret;

	dev = link->priv;

	dev_dbg(&link->dev, "airo_config\n");

	req = kzalloc(sizeof(win_req_t), GFP_KERNEL);
	if (!req)
		return -ENOMEM;

	/*
	 * In this loop, we scan the CIS for configuration table
	 * entries, each of which describes a valid card
	 * configuration, including voltage, IO window, memory window,
	 * and interrupt settings.
	 *
	 * We make no assumptions about the card to be configured: we
	 * use just the information available in the CIS.  In an ideal
	 * world, this would work for any PCMCIA card, but it requires
	 * a complete and accurate CIS.  In practice, a driver usually
	 * "knows" most of these things without consulting the CIS,
	 * and most client drivers will only use the CIS to fill in
	 * implementation-defined details.
	 */
	ret = pcmcia_loop_config(link, airo_cs_config_check, req);
	if (ret)
		goto failed;

	if (!link->irq)
		goto failed;

	/*
	  This actually configures the PCMCIA socket -- setting up
	  the I/O windows and the interrupt mapping, and putting the
	  card and host interface into "Memory and IO" mode.
	*/
	ret = pcmcia_request_configuration(link, &link->conf);
	if (ret)
		goto failed;
	((local_info_t *)link->priv)->eth_dev =
		init_airo_card(link->irq,
			       link->io.BasePort1, 1, &link->dev);
	if (!((local_info_t *)link->priv)->eth_dev)
		goto failed;

	/* Finally, report what we've done */
	dev_info(&link->dev, "index 0x%02x: ",
	       link->conf.ConfigIndex);
	if (link->conf.Vpp)
		printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
	printk(", irq %d", link->irq);
	if (link->io.NumPorts1)
		printk(", io 0x%04x-0x%04x", link->io.BasePort1,
		       link->io.BasePort1+link->io.NumPorts1-1);
	if (link->io.NumPorts2)
		printk(" & 0x%04x-0x%04x", link->io.BasePort2,
		       link->io.BasePort2+link->io.NumPorts2-1);
	if (link->win)
		printk(", mem 0x%06lx-0x%06lx", req->Base,
		       req->Base+req->Size-1);
	printk("\n");
	kfree(req);
	return 0;

 failed:
	airo_release(link);
	kfree(req);
	return -ENODEV;
} /* airo_config */

/*======================================================================

  After a card is removed, airo_release() will unregister the
  device, and release the PCMCIA configuration.  If the device is
  still open, this will be postponed until it is closed.

  ======================================================================*/

static void airo_release(struct pcmcia_device *link)
{
	dev_dbg(&link->dev, "airo_release\n");
	pcmcia_disable_device(link);
}

static int airo_suspend(struct pcmcia_device *link)
{
	local_info_t *local = link->priv;

	netif_device_detach(local->eth_dev);

	return 0;
}

static int airo_resume(struct pcmcia_device *link)
{
	local_info_t *local = link->priv;

	if (link->open) {
		reset_airo_card(local->eth_dev);
		netif_device_attach(local->eth_dev);
	}

	return 0;
}

static struct pcmcia_device_id airo_ids[] = {
	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a),
	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005),
	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007),
	PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007),
	PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, airo_ids);

static struct pcmcia_driver airo_driver = {
	.owner		= THIS_MODULE,
	.drv		= {
		.name	= "airo_cs",
	},
	.probe		= airo_probe,
	.remove		= airo_detach,
	.id_table       = airo_ids,
	.suspend	= airo_suspend,
	.resume		= airo_resume,
};

static int airo_cs_init(void)
{
	return pcmcia_register_driver(&airo_driver);
}

static void airo_cs_cleanup(void)
{
	pcmcia_unregister_driver(&airo_driver);
}

/*
    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.

    In addition:

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
    3. The name of the author may not be used to endorse or promote
       products derived from this software without specific prior written
       permission.

    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.
*/

module_init(airo_cs_init);
module_exit(airo_cs_cleanup);
Commit	Line	Data
1da177e4 LT	1	/*======================================================================
	2
	3	Aironet driver for 4500 and 4800 series cards
	4
	5	This code is released under both the GPL version 2 and BSD licenses.
	6	Either license may be used. The respective licenses are found at
	7	the end of this file.
	8
	9	This code was developed by Benjamin Reed <breed@users.sourceforge.net>
	10	including portions of which come from the Aironet PC4500
	11	Developer's Reference Manual and used with permission. Copyright
	12	(C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
	13	code in the Developer's manual was granted for this driver by
	14	Aironet.
	15
	16	In addition this module was derived from dummy_cs.
	17	The initial developer of dummy_cs is David A. Hinds
	18	<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
05c9a4cf JD	19	are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
05c9a4cf JD	20
1da177e4 LT	21	======================================================================*/
1da177e4 LT	22
1da177e4 LT	23	#ifdef __IN_PCMCIA_PACKAGE__
	24	#include <pcmcia/k_compat.h>
	25	#endif
	26	#include <linux/init.h>
	27	#include <linux/kernel.h>
	28	#include <linux/module.h>
	29	#include <linux/ptrace.h>
	30	#include <linux/slab.h>
	31	#include <linux/string.h>
	32	#include <linux/timer.h>
	33	#include <linux/netdevice.h>
	34
1da177e4 LT	35	#include <pcmcia/cs_types.h>
	36	#include <pcmcia/cs.h>
	37	#include <pcmcia/cistpl.h>
	38	#include <pcmcia/cisreg.h>
	39	#include <pcmcia/ds.h>
	40
05c9a4cf	41	#include <linux/io.h>
1da177e4 LT	42	#include <asm/system.h>
1da177e4 LT	43
d3808760 AB	44	#include "airo.h"
d3808760 AB	45
1da177e4 LT	46
	47	/====================================================================/
	48
	49	MODULE_AUTHOR("Benjamin Reed");
05c9a4cf JD	50	MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet "
	51	"cards. This is the module that links the PCMCIA card "
	52	"with the airo module.");
1da177e4 LT	53	MODULE_LICENSE("Dual BSD/GPL");
	54	MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards");
	55
	56	/====================================================================/
	57
	58	/*
	59	The event() function is this driver's Card Services event handler.
	60	It will be called by Card Services when an appropriate card status
	61	event is received. The config() and release() entry points are
	62	used to configure or release a socket, in response to card
	63	insertion and ejection events. They are invoked from the airo_cs
05c9a4cf	64	event handler.
1da177e4 LT	65	*/
1da177e4 LT	66
15b99ac1	67	static int airo_config(struct pcmcia_device *link);
fba395ee	68	static void airo_release(struct pcmcia_device *link);
1da177e4 LT	69
	70	/*
	71	The attach() and detach() entry points are used to create and destroy
	72	"instances" of the driver, where each instance represents everything
	73	needed to manage one actual PCMCIA card.
	74	*/
	75
cc3b4866	76	static void airo_detach(struct pcmcia_device *p_dev);
1da177e4	77
1da177e4	78	typedef struct local_info_t {
1da177e4 LT	79	struct net_device *eth_dev;
	80	} local_info_t;
	81
	82	/*======================================================================
05c9a4cf	83
1da177e4 LT	84	airo_attach() creates an "instance" of the driver, allocating
	85	local data structures for one device. The device is registered
	86	with Card Services.
05c9a4cf	87
1da177e4 LT	88	The dev_link structure is initialized, but we don't actually
	89	configure the card at this point -- we wait until we receive a
	90	card insertion event.
05c9a4cf	91
1da177e4 LT	92	======================================================================*/
1da177e4 LT	93
15b99ac1	94	static int airo_probe(struct pcmcia_device *p_dev)
1da177e4	95	{
1da177e4	96	local_info_t *local;
f8cfa618	97
2caff147	98	dev_dbg(&p_dev->dev, "airo_attach()\n");
1da177e4	99
1da177e4 LT	100	/*
	101	General socket configuration defaults can go here. In this
	102	client, we assume very little, and rely on the CIS for almost
	103	everything. In most clients, many details (i.e., number, sizes,
	104	and attributes of IO windows) are fixed by the nature of the
	105	device, and can be hard-wired here.
	106	*/
fd238232 DB	107	p_dev->conf.Attributes = 0;
fd238232 DB	108	p_dev->conf.IntType = INT_MEMORY_AND_IO;
05c9a4cf	109
1da177e4	110	/* Allocate space for private device-specific data */
b69a3aa8	111	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
1da177e4 LT	112	if (!local) {
1da177e4 LT	113	printk(KERN_ERR "airo_cs: no memory for new device\n");
f8cfa618	114	return -ENOMEM;
1da177e4	115	}
fd238232	116	p_dev->priv = local;
f8cfa618	117
15b99ac1	118	return airo_config(p_dev);
1da177e4 LT	119	} /* airo_attach */
	120
	121	/*======================================================================
05c9a4cf	122
1da177e4 LT	123	This deletes a driver "instance". The device is de-registered
	124	with Card Services. If it has been released, all local data
	125	structures are freed. Otherwise, the structures will be freed
	126	when the device is released.
05c9a4cf	127
1da177e4 LT	128	======================================================================*/
1da177e4 LT	129
fba395ee	130	static void airo_detach(struct pcmcia_device *link)
1da177e4	131	{
2caff147	132	dev_dbg(&link->dev, "airo_detach\n");
b4635811	133
e2d40963	134	airo_release(link);
b4635811	135
05c9a4cf JD	136	if (((local_info_t *)link->priv)->eth_dev) {
05c9a4cf JD	137	stop_airo_card(((local_info_t *)link->priv)->eth_dev, 0);
1da177e4	138	}
05c9a4cf	139	((local_info_t *)link->priv)->eth_dev = NULL;
cc3b4866	140
b4558ea9	141	kfree(link->priv);
1da177e4 LT	142	} /* airo_detach */
	143
	144	/*======================================================================
05c9a4cf	145
1da177e4 LT	146	airo_config() is scheduled to run after a CARD_INSERTION event
	147	is received, to configure the PCMCIA socket, and to make the
	148	device available to the system.
05c9a4cf	149
1da177e4 LT	150	======================================================================*/
1da177e4 LT	151
b54bf94b DB	152	static int airo_cs_config_check(struct pcmcia_device *p_dev,
b54bf94b DB	153	cistpl_cftable_entry_t *cfg,
8e2fc39d	154	cistpl_cftable_entry_t *dflt,
ad913c11	155	unsigned int vcc,
b54bf94b DB	156	void *priv_data)
b54bf94b DB	157	{
8e2fc39d	158	win_req_t *req = priv_data;
b54bf94b DB	159
	160	if (cfg->index == 0)
	161	return -ENODEV;
	162
b54bf94b DB	163	/* Does this card need audio output? */
	164	if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
	165	p_dev->conf.Attributes \|= CONF_ENABLE_SPKR;
	166	p_dev->conf.Status = CCSR_AUDIO_ENA;
	167	}
	168
	169	/* Use power settings for Vcc and Vpp if present */
	170	/* Note that the CIS values need to be rescaled */
	171	if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
	172	p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
8e2fc39d DB	173	else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
8e2fc39d DB	174	p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
b54bf94b	175
eb14120f	176	p_dev->conf.Attributes \|= CONF_ENABLE_IRQ;
b54bf94b DB	177
	178	/* IO window settings */
	179	p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
8e2fc39d DB	180	if ((cfg->io.nwin > 0) \|\| (dflt->io.nwin > 0)) {
8e2fc39d DB	181	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
b54bf94b DB	182	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	183	if (!(io->flags & CISTPL_IO_8BIT))
	184	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
	185	if (!(io->flags & CISTPL_IO_16BIT))
	186	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	187	p_dev->io.BasePort1 = io->win[0].base;
	188	p_dev->io.NumPorts1 = io->win[0].len;
	189	if (io->nwin > 1) {
	190	p_dev->io.Attributes2 = p_dev->io.Attributes1;
	191	p_dev->io.BasePort2 = io->win[1].base;
	192	p_dev->io.NumPorts2 = io->win[1].len;
	193	}
	194	}
	195
	196	/* This reserves IO space but doesn't actually enable it */
	197	if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
	198	return -ENODEV;
	199
	200	/*
	201	Now set up a common memory window, if needed. There is room
	202	in the struct pcmcia_device structure for one memory window handle,
	203	but if the base addresses need to be saved, or if multiple
	204	windows are needed, the info should go in the private data
	205	structure for this device.
	206
	207	Note that the memory window base is a physical address, and
	208	needs to be mapped to virtual space with ioremap() before it
	209	is used.
	210	*/
8e2fc39d DB	211	if ((cfg->mem.nwin > 0) \|\| (dflt->mem.nwin > 0)) {
8e2fc39d DB	212	cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
b54bf94b	213	memreq_t map;
8e2fc39d DB	214	req->Attributes = WIN_DATA_WIDTH_16\|WIN_MEMORY_TYPE_CM;
	215	req->Base = mem->win[0].host_addr;
	216	req->Size = mem->win[0].len;
	217	req->AccessSpeed = 0;
6838b03f	218	if (pcmcia_request_window(p_dev, req, &p_dev->win) != 0)
b54bf94b DB	219	return -ENODEV;
	220	map.Page = 0;
	221	map.CardOffset = mem->win[0].card_addr;
868575d1	222	if (pcmcia_map_mem_page(p_dev, p_dev->win, &map) != 0)
b54bf94b DB	223	return -ENODEV;
	224	}
	225	/* If we got this far, we're cool! */
	226	return 0;
	227	}
	228
	229
15b99ac1	230	static int airo_config(struct pcmcia_device *link)
1da177e4	231	{
1da177e4	232	local_info_t *dev;
8e2fc39d	233	win_req_t *req;
2caff147	234	int ret;
fba395ee	235
1da177e4 LT	236	dev = link->priv;
1da177e4 LT	237
2caff147	238	dev_dbg(&link->dev, "airo_config\n");
e2d40963	239
8e2fc39d DB	240	req = kzalloc(sizeof(win_req_t), GFP_KERNEL);
8e2fc39d DB	241	if (!req)
b54bf94b DB	242	return -ENOMEM;
b54bf94b DB	243
1da177e4	244	/*
b54bf94b DB	245	* In this loop, we scan the CIS for configuration table
	246	* entries, each of which describes a valid card
	247	* configuration, including voltage, IO window, memory window,
	248	* and interrupt settings.
	249	*
	250	* We make no assumptions about the card to be configured: we
	251	* use just the information available in the CIS. In an ideal
	252	* world, this would work for any PCMCIA card, but it requires
	253	* a complete and accurate CIS. In practice, a driver usually
	254	* "knows" most of these things without consulting the CIS,
	255	* and most client drivers will only use the CIS to fill in
	256	* implementation-defined details.
	257	*/
2caff147 DB	258	ret = pcmcia_loop_config(link, airo_cs_config_check, req);
2caff147 DB	259	if (ret)
b54bf94b DB	260	goto failed;
b54bf94b DB	261
eb14120f DB	262	if (!link->irq)
eb14120f DB	263	goto failed;
05c9a4cf	264
1da177e4 LT	265	/*
	266	This actually configures the PCMCIA socket -- setting up
	267	the I/O windows and the interrupt mapping, and putting the
	268	card and host interface into "Memory and IO" mode.
	269	*/
2caff147 DB	270	ret = pcmcia_request_configuration(link, &link->conf);
	271	if (ret)
	272	goto failed;
05c9a4cf	273	((local_info_t *)link->priv)->eth_dev =
eb14120f	274	init_airo_card(link->irq,
dd2e5a15	275	link->io.BasePort1, 1, &link->dev);
05c9a4cf	276	if (!((local_info_t *)link->priv)->eth_dev)
2caff147	277	goto failed;
05c9a4cf	278
1da177e4	279	/* Finally, report what we've done */
ded6a1a3 DB	280	dev_info(&link->dev, "index 0x%02x: ",
ded6a1a3 DB	281	link->conf.ConfigIndex);
70294b46 DB	282	if (link->conf.Vpp)
70294b46 DB	283	printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
eb14120f	284	printk(", irq %d", link->irq);
1da177e4 LT	285	if (link->io.NumPorts1)
	286	printk(", io 0x%04x-0x%04x", link->io.BasePort1,
	287	link->io.BasePort1+link->io.NumPorts1-1);
	288	if (link->io.NumPorts2)
	289	printk(" & 0x%04x-0x%04x", link->io.BasePort2,
	290	link->io.BasePort2+link->io.NumPorts2-1);
	291	if (link->win)
8e2fc39d DB	292	printk(", mem 0x%06lx-0x%06lx", req->Base,
8e2fc39d DB	293	req->Base+req->Size-1);
1da177e4	294	printk("\n");
8e2fc39d	295	kfree(req);
15b99ac1 DB	296	return 0;
15b99ac1 DB	297
b54bf94b	298	failed:
1da177e4	299	airo_release(link);
8e2fc39d	300	kfree(req);
15b99ac1	301	return -ENODEV;
1da177e4 LT	302	} /* airo_config */
	303
	304	/*======================================================================
05c9a4cf	305
1da177e4 LT	306	After a card is removed, airo_release() will unregister the
	307	device, and release the PCMCIA configuration. If the device is
	308	still open, this will be postponed until it is closed.
05c9a4cf	309
1da177e4 LT	310	======================================================================*/
1da177e4 LT	311
fba395ee	312	static void airo_release(struct pcmcia_device *link)
1da177e4	313	{
2caff147	314	dev_dbg(&link->dev, "airo_release\n");
fba395ee	315	pcmcia_disable_device(link);
1da177e4 LT	316	}
1da177e4 LT	317
fba395ee	318	static int airo_suspend(struct pcmcia_device *link)
98e4c28b	319	{
98e4c28b DB	320	local_info_t *local = link->priv;
98e4c28b DB	321
e2d40963	322	netif_device_detach(local->eth_dev);
98e4c28b DB	323
	324	return 0;
	325	}
	326
fba395ee	327	static int airo_resume(struct pcmcia_device *link)
98e4c28b	328	{
98e4c28b DB	329	local_info_t *local = link->priv;
98e4c28b DB	330
e2d40963	331	if (link->open) {
98e4c28b DB	332	reset_airo_card(local->eth_dev);
	333	netif_device_attach(local->eth_dev);
	334	}
	335
	336	return 0;
	337	}
	338
7018d06d DB	339	static struct pcmcia_device_id airo_ids[] = {
	340	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a),
	341	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005),
	342	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007),
	343	PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007),
	344	PCMCIA_DEVICE_NULL,
	345	};
	346	MODULE_DEVICE_TABLE(pcmcia, airo_ids);
	347
1da177e4 LT	348	static struct pcmcia_driver airo_driver = {
	349	.owner = THIS_MODULE,
	350	.drv = {
	351	.name = "airo_cs",
	352	},
15b99ac1	353	.probe = airo_probe,
cc3b4866	354	.remove = airo_detach,
7018d06d	355	.id_table = airo_ids,
98e4c28b DB	356	.suspend = airo_suspend,
98e4c28b DB	357	.resume = airo_resume,
1da177e4 LT	358	};
	359
	360	static int airo_cs_init(void)
	361	{
	362	return pcmcia_register_driver(&airo_driver);
	363	}
	364
	365	static void airo_cs_cleanup(void)
	366	{
	367	pcmcia_unregister_driver(&airo_driver);
1da177e4 LT	368	}
	369
	370	/*
	371	This program is free software; you can redistribute it and/or
	372	modify it under the terms of the GNU General Public License
	373	as published by the Free Software Foundation; either version 2
	374	of the License, or (at your option) any later version.
	375
	376	This program is distributed in the hope that it will be useful,
	377	but WITHOUT ANY WARRANTY; without even the implied warranty of
	378	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	379	GNU General Public License for more details.
	380
	381	In addition:
	382
	383	Redistribution and use in source and binary forms, with or without
	384	modification, are permitted provided that the following conditions
	385	are met:
	386
	387	1. Redistributions of source code must retain the above copyright
	388	notice, this list of conditions and the following disclaimer.
	389	2. Redistributions in binary form must reproduce the above copyright
	390	notice, this list of conditions and the following disclaimer in the
	391	documentation and/or other materials provided with the distribution.
	392	3. The name of the author may not be used to endorse or promote
	393	products derived from this software without specific prior written
	394	permission.
	395
	396	THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	397	IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	398	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	399	ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	400	INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	401	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	402	SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	403	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	404	STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	405	IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
05c9a4cf	406	POSSIBILITY OF SUCH DAMAGE.
1da177e4 LT	407	*/
	408
	409	module_init(airo_cs_init);
	410	module_exit(airo_cs_cleanup);