[net-next-2.6.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.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.h>
	36	#include <pcmcia/cistpl.h>
	37	#include <pcmcia/cisreg.h>
	38	#include <pcmcia/ds.h>
	39
05c9a4cf	40	#include <linux/io.h>
1da177e4 LT	41	#include <asm/system.h>
1da177e4 LT	42
d3808760 AB	43	#include "airo.h"
d3808760 AB	44
1da177e4 LT	45
	46	/====================================================================/
	47
	48	MODULE_AUTHOR("Benjamin Reed");
05c9a4cf JD	49	MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet "
	50	"cards. This is the module that links the PCMCIA card "
	51	"with the airo module.");
1da177e4 LT	52	MODULE_LICENSE("Dual BSD/GPL");
	53	MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards");
	54
	55	/====================================================================/
	56
	57	/*
	58	The event() function is this driver's Card Services event handler.
	59	It will be called by Card Services when an appropriate card status
	60	event is received. The config() and release() entry points are
	61	used to configure or release a socket, in response to card
	62	insertion and ejection events. They are invoked from the airo_cs
05c9a4cf	63	event handler.
1da177e4 LT	64	*/
1da177e4 LT	65
15b99ac1	66	static int airo_config(struct pcmcia_device *link);
fba395ee	67	static void airo_release(struct pcmcia_device *link);
1da177e4 LT	68
	69	/*
	70	The attach() and detach() entry points are used to create and destroy
	71	"instances" of the driver, where each instance represents everything
	72	needed to manage one actual PCMCIA card.
	73	*/
	74
cc3b4866	75	static void airo_detach(struct pcmcia_device *p_dev);
1da177e4	76
1da177e4	77	typedef struct local_info_t {
1da177e4 LT	78	struct net_device *eth_dev;
	79	} local_info_t;
	80
	81	/*======================================================================
05c9a4cf	82
1da177e4 LT	83	airo_attach() creates an "instance" of the driver, allocating
	84	local data structures for one device. The device is registered
	85	with Card Services.
05c9a4cf	86
1da177e4 LT	87	The dev_link structure is initialized, but we don't actually
	88	configure the card at this point -- we wait until we receive a
	89	card insertion event.
05c9a4cf	90
1da177e4 LT	91	======================================================================*/
1da177e4 LT	92
15b99ac1	93	static int airo_probe(struct pcmcia_device *p_dev)
1da177e4	94	{
1da177e4	95	local_info_t *local;
f8cfa618	96
2caff147	97	dev_dbg(&p_dev->dev, "airo_attach()\n");
1da177e4	98
1da177e4 LT	99	/*
	100	General socket configuration defaults can go here. In this
	101	client, we assume very little, and rely on the CIS for almost
	102	everything. In most clients, many details (i.e., number, sizes,
	103	and attributes of IO windows) are fixed by the nature of the
	104	device, and can be hard-wired here.
	105	*/
fd238232 DB	106	p_dev->conf.Attributes = 0;
fd238232 DB	107	p_dev->conf.IntType = INT_MEMORY_AND_IO;
05c9a4cf	108
1da177e4	109	/* Allocate space for private device-specific data */
b69a3aa8	110	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
1da177e4 LT	111	if (!local) {
1da177e4 LT	112	printk(KERN_ERR "airo_cs: no memory for new device\n");
f8cfa618	113	return -ENOMEM;
1da177e4	114	}
fd238232	115	p_dev->priv = local;
f8cfa618	116
15b99ac1	117	return airo_config(p_dev);
1da177e4 LT	118	} /* airo_attach */
	119
	120	/*======================================================================
05c9a4cf	121
1da177e4 LT	122	This deletes a driver "instance". The device is de-registered
	123	with Card Services. If it has been released, all local data
	124	structures are freed. Otherwise, the structures will be freed
	125	when the device is released.
05c9a4cf	126
1da177e4 LT	127	======================================================================*/
1da177e4 LT	128
fba395ee	129	static void airo_detach(struct pcmcia_device *link)
1da177e4	130	{
2caff147	131	dev_dbg(&link->dev, "airo_detach\n");
b4635811	132
e2d40963	133	airo_release(link);
b4635811	134
05c9a4cf JD	135	if (((local_info_t *)link->priv)->eth_dev) {
05c9a4cf JD	136	stop_airo_card(((local_info_t *)link->priv)->eth_dev, 0);
1da177e4	137	}
05c9a4cf	138	((local_info_t *)link->priv)->eth_dev = NULL;
cc3b4866	139
b4558ea9	140	kfree(link->priv);
1da177e4 LT	141	} /* airo_detach */
	142
	143	/*======================================================================
05c9a4cf	144
1da177e4 LT	145	airo_config() is scheduled to run after a CARD_INSERTION event
	146	is received, to configure the PCMCIA socket, and to make the
	147	device available to the system.
05c9a4cf	148
1da177e4 LT	149	======================================================================*/
1da177e4 LT	150
b54bf94b DB	151	static int airo_cs_config_check(struct pcmcia_device *p_dev,
b54bf94b DB	152	cistpl_cftable_entry_t *cfg,
8e2fc39d	153	cistpl_cftable_entry_t *dflt,
ad913c11	154	unsigned int vcc,
b54bf94b DB	155	void *priv_data)
b54bf94b DB	156	{
8e2fc39d	157	win_req_t *req = priv_data;
b54bf94b DB	158
	159	if (cfg->index == 0)
	160	return -ENODEV;
	161
b54bf94b DB	162	/* Does this card need audio output? */
	163	if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
	164	p_dev->conf.Attributes \|= CONF_ENABLE_SPKR;
	165	p_dev->conf.Status = CCSR_AUDIO_ENA;
	166	}
	167
	168	/* Use power settings for Vcc and Vpp if present */
	169	/* Note that the CIS values need to be rescaled */
	170	if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
	171	p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
8e2fc39d DB	172	else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
8e2fc39d DB	173	p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
b54bf94b	174
eb14120f	175	p_dev->conf.Attributes \|= CONF_ENABLE_IRQ;
b54bf94b DB	176
	177	/* IO window settings */
	178	p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
8e2fc39d DB	179	if ((cfg->io.nwin > 0) \|\| (dflt->io.nwin > 0)) {
8e2fc39d DB	180	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
b54bf94b DB	181	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	182	if (!(io->flags & CISTPL_IO_8BIT))
	183	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
	184	if (!(io->flags & CISTPL_IO_16BIT))
	185	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	186	p_dev->io.BasePort1 = io->win[0].base;
	187	p_dev->io.NumPorts1 = io->win[0].len;
	188	if (io->nwin > 1) {
	189	p_dev->io.Attributes2 = p_dev->io.Attributes1;
	190	p_dev->io.BasePort2 = io->win[1].base;
	191	p_dev->io.NumPorts2 = io->win[1].len;
	192	}
	193	}
	194
	195	/* This reserves IO space but doesn't actually enable it */
	196	if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
	197	return -ENODEV;
	198
	199	/*
	200	Now set up a common memory window, if needed. There is room
	201	in the struct pcmcia_device structure for one memory window handle,
	202	but if the base addresses need to be saved, or if multiple
	203	windows are needed, the info should go in the private data
	204	structure for this device.
	205
	206	Note that the memory window base is a physical address, and
	207	needs to be mapped to virtual space with ioremap() before it
	208	is used.
	209	*/
8e2fc39d DB	210	if ((cfg->mem.nwin > 0) \|\| (dflt->mem.nwin > 0)) {
8e2fc39d DB	211	cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
b54bf94b	212	memreq_t map;
8e2fc39d DB	213	req->Attributes = WIN_DATA_WIDTH_16\|WIN_MEMORY_TYPE_CM;
	214	req->Base = mem->win[0].host_addr;
	215	req->Size = mem->win[0].len;
	216	req->AccessSpeed = 0;
6838b03f	217	if (pcmcia_request_window(p_dev, req, &p_dev->win) != 0)
b54bf94b DB	218	return -ENODEV;
	219	map.Page = 0;
	220	map.CardOffset = mem->win[0].card_addr;
868575d1	221	if (pcmcia_map_mem_page(p_dev, p_dev->win, &map) != 0)
b54bf94b DB	222	return -ENODEV;
	223	}
	224	/* If we got this far, we're cool! */
	225	return 0;
	226	}
	227
	228
15b99ac1	229	static int airo_config(struct pcmcia_device *link)
1da177e4	230	{
1da177e4	231	local_info_t *dev;
8e2fc39d	232	win_req_t *req;
2caff147	233	int ret;
fba395ee	234
1da177e4 LT	235	dev = link->priv;
1da177e4 LT	236
2caff147	237	dev_dbg(&link->dev, "airo_config\n");
e2d40963	238
8e2fc39d DB	239	req = kzalloc(sizeof(win_req_t), GFP_KERNEL);
8e2fc39d DB	240	if (!req)
b54bf94b DB	241	return -ENOMEM;
b54bf94b DB	242
1da177e4	243	/*
b54bf94b DB	244	* In this loop, we scan the CIS for configuration table
	245	* entries, each of which describes a valid card
	246	* configuration, including voltage, IO window, memory window,
	247	* and interrupt settings.
	248	*
	249	* We make no assumptions about the card to be configured: we
	250	* use just the information available in the CIS. In an ideal
	251	* world, this would work for any PCMCIA card, but it requires
	252	* a complete and accurate CIS. In practice, a driver usually
	253	* "knows" most of these things without consulting the CIS,
	254	* and most client drivers will only use the CIS to fill in
	255	* implementation-defined details.
	256	*/
2caff147 DB	257	ret = pcmcia_loop_config(link, airo_cs_config_check, req);
2caff147 DB	258	if (ret)
b54bf94b DB	259	goto failed;
b54bf94b DB	260
eb14120f DB	261	if (!link->irq)
eb14120f DB	262	goto failed;
05c9a4cf	263
1da177e4 LT	264	/*
	265	This actually configures the PCMCIA socket -- setting up
	266	the I/O windows and the interrupt mapping, and putting the
	267	card and host interface into "Memory and IO" mode.
	268	*/
2caff147 DB	269	ret = pcmcia_request_configuration(link, &link->conf);
	270	if (ret)
	271	goto failed;
05c9a4cf	272	((local_info_t *)link->priv)->eth_dev =
eb14120f	273	init_airo_card(link->irq,
dd2e5a15	274	link->io.BasePort1, 1, &link->dev);
05c9a4cf	275	if (!((local_info_t *)link->priv)->eth_dev)
2caff147	276	goto failed;
05c9a4cf	277
1da177e4	278	/* Finally, report what we've done */
ded6a1a3 DB	279	dev_info(&link->dev, "index 0x%02x: ",
ded6a1a3 DB	280	link->conf.ConfigIndex);
70294b46 DB	281	if (link->conf.Vpp)
70294b46 DB	282	printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
eb14120f	283	printk(", irq %d", link->irq);
1da177e4 LT	284	if (link->io.NumPorts1)
	285	printk(", io 0x%04x-0x%04x", link->io.BasePort1,
	286	link->io.BasePort1+link->io.NumPorts1-1);
	287	if (link->io.NumPorts2)
	288	printk(" & 0x%04x-0x%04x", link->io.BasePort2,
	289	link->io.BasePort2+link->io.NumPorts2-1);
	290	if (link->win)
8e2fc39d DB	291	printk(", mem 0x%06lx-0x%06lx", req->Base,
8e2fc39d DB	292	req->Base+req->Size-1);
1da177e4	293	printk("\n");
8e2fc39d	294	kfree(req);
15b99ac1 DB	295	return 0;
15b99ac1 DB	296
b54bf94b	297	failed:
1da177e4	298	airo_release(link);
8e2fc39d	299	kfree(req);
15b99ac1	300	return -ENODEV;
1da177e4 LT	301	} /* airo_config */
	302
	303	/*======================================================================
05c9a4cf	304
1da177e4 LT	305	After a card is removed, airo_release() will unregister the
	306	device, and release the PCMCIA configuration. If the device is
	307	still open, this will be postponed until it is closed.
05c9a4cf	308
1da177e4 LT	309	======================================================================*/
1da177e4 LT	310
fba395ee	311	static void airo_release(struct pcmcia_device *link)
1da177e4	312	{
2caff147	313	dev_dbg(&link->dev, "airo_release\n");
fba395ee	314	pcmcia_disable_device(link);
1da177e4 LT	315	}
1da177e4 LT	316
fba395ee	317	static int airo_suspend(struct pcmcia_device *link)
98e4c28b	318	{
98e4c28b DB	319	local_info_t *local = link->priv;
98e4c28b DB	320
e2d40963	321	netif_device_detach(local->eth_dev);
98e4c28b DB	322
	323	return 0;
	324	}
	325
fba395ee	326	static int airo_resume(struct pcmcia_device *link)
98e4c28b	327	{
98e4c28b DB	328	local_info_t *local = link->priv;
98e4c28b DB	329
e2d40963	330	if (link->open) {
98e4c28b DB	331	reset_airo_card(local->eth_dev);
	332	netif_device_attach(local->eth_dev);
	333	}
	334
	335	return 0;
	336	}
	337
7018d06d DB	338	static struct pcmcia_device_id airo_ids[] = {
	339	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a),
	340	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005),
	341	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007),
	342	PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007),
	343	PCMCIA_DEVICE_NULL,
	344	};
	345	MODULE_DEVICE_TABLE(pcmcia, airo_ids);
	346
1da177e4 LT	347	static struct pcmcia_driver airo_driver = {
	348	.owner = THIS_MODULE,
	349	.drv = {
	350	.name = "airo_cs",
	351	},
15b99ac1	352	.probe = airo_probe,
cc3b4866	353	.remove = airo_detach,
7018d06d	354	.id_table = airo_ids,
98e4c28b DB	355	.suspend = airo_suspend,
98e4c28b DB	356	.resume = airo_resume,
1da177e4 LT	357	};
	358
	359	static int airo_cs_init(void)
	360	{
	361	return pcmcia_register_driver(&airo_driver);
	362	}
	363
	364	static void airo_cs_cleanup(void)
	365	{
	366	pcmcia_unregister_driver(&airo_driver);
1da177e4 LT	367	}
	368
	369	/*
	370	This program is free software; you can redistribute it and/or
	371	modify it under the terms of the GNU General Public License
	372	as published by the Free Software Foundation; either version 2
	373	of the License, or (at your option) any later version.
	374
	375	This program is distributed in the hope that it will be useful,
	376	but WITHOUT ANY WARRANTY; without even the implied warranty of
	377	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	378	GNU General Public License for more details.
	379
	380	In addition:
	381
	382	Redistribution and use in source and binary forms, with or without
	383	modification, are permitted provided that the following conditions
	384	are met:
	385
	386	1. Redistributions of source code must retain the above copyright
	387	notice, this list of conditions and the following disclaimer.
	388	2. Redistributions in binary form must reproduce the above copyright
	389	notice, this list of conditions and the following disclaimer in the
	390	documentation and/or other materials provided with the distribution.
	391	3. The name of the author may not be used to endorse or promote
	392	products derived from this software without specific prior written
	393	permission.
	394
	395	THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	396	IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	397	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	398	ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	399	INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	400	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	401	SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	402	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	403	STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	404	IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
05c9a4cf	405	POSSIBILITY OF SUCH DAMAGE.
1da177e4 LT	406	*/
	407
	408	module_init(airo_cs_init);
	409	module_exit(airo_cs_cleanup);