[deliverable/linux.git] / drivers / net / wireless / atmel_cs.c

/*** -*- linux-c -*- **********************************************************

     Driver for Atmel at76c502 at76c504 and at76c506 wireless cards.

        Copyright 2000-2001 ATMEL Corporation.
        Copyright 2003 Simon Kelley.

    This code was developed from version 2.1.1 of the Atmel drivers,
    released by Atmel corp. under the GPL in December 2002. It also
    includes code from the Linux aironet drivers (C) Benjamin Reed,
    and the Linux PCMCIA package, (C) David Hinds.

    For all queries about this code, please contact the current author,
    Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation.

    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 software 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 Atmel wireless lan drivers; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

******************************************************************************/

#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/netdevice.h>
#include <linux/moduleparam.h>
#include <linux/device.h>

#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
#include <pcmcia/ciscode.h>

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

#include "atmel.h"


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

MODULE_AUTHOR("Simon Kelley");
MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("Atmel at76c50x 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 atmel_cs
   event handler.
*/

static int atmel_config(struct pcmcia_device *link);
static void atmel_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 atmel_detach(struct pcmcia_device *p_dev);

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

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

  atmel_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 atmel_probe(struct pcmcia_device *p_dev)
{
	local_info_t *local;

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

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

	return atmel_config(p_dev);
} /* atmel_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 atmel_detach(struct pcmcia_device *link)
{
	dev_dbg(&link->dev, "atmel_detach\n");

	atmel_release(link);

	kfree(link->priv);
}

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

  atmel_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.

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

/* Call-back function to interrogate PCMCIA-specific information
   about the current existance of the card */
static int card_present(void *arg)
{
	struct pcmcia_device *link = (struct pcmcia_device *)arg;

	if (pcmcia_dev_present(link))
		return 1;

	return 0;
}

static int atmel_config_check(struct pcmcia_device *p_dev,
			      cistpl_cftable_entry_t *cfg,
			      cistpl_cftable_entry_t *dflt,
			      unsigned int vcc,
			      void *priv_data)
{
	if (cfg->index == 0)
		return -ENODEV;

	/* Does this card need audio output? */
	if (cfg->flags & CISTPL_CFTABLE_AUDIO)
		p_dev->config_flags |= CONF_ENABLE_SPKR;

	/* 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->vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
	else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
		p_dev->vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;

	p_dev->config_flags |= CONF_ENABLE_IRQ;

	/* IO window settings */
	p_dev->resource[0]->end = p_dev->resource[1]->end = 0;
	if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
		cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
		p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
		p_dev->resource[0]->flags |=
					pcmcia_io_cfg_data_width(io->flags);
		p_dev->resource[0]->start = io->win[0].base;
		p_dev->resource[0]->end = io->win[0].len;
		if (io->nwin > 1) {
			p_dev->resource[1]->flags = p_dev->resource[0]->flags;
			p_dev->resource[1]->start = io->win[1].base;
			p_dev->resource[1]->end = io->win[1].len;
		}
	}

	/* This reserves IO space but doesn't actually enable it */
	return pcmcia_request_io(p_dev);
}

static int atmel_config(struct pcmcia_device *link)
{
	local_info_t *dev;
	int ret;
	struct pcmcia_device_id *did;

	dev = link->priv;
	did = dev_get_drvdata(&link->dev);

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

	/*
	  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.
	*/
	if (pcmcia_loop_config(link, atmel_config_check, NULL))
		goto failed;

	if (!link->irq) {
		dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
		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_enable_device(link);
	if (ret)
		goto failed;

	((local_info_t*)link->priv)->eth_dev =
		init_atmel_card(link->irq,
				link->resource[0]->start,
				did ? did->driver_info : ATMEL_FW_TYPE_NONE,
				&link->dev,
				card_present,
				link);
	if (!((local_info_t*)link->priv)->eth_dev)
			goto failed;


	return 0;

 failed:
	atmel_release(link);
	return -ENODEV;
}

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

  After a card is removed, atmel_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 atmel_release(struct pcmcia_device *link)
{
	struct net_device *dev = ((local_info_t*)link->priv)->eth_dev;

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

	if (dev)
		stop_atmel_card(dev);
	((local_info_t*)link->priv)->eth_dev = NULL;

	pcmcia_disable_device(link);
}

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

	netif_device_detach(local->eth_dev);

	return 0;
}

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

	atmel_open(local->eth_dev);
	netif_device_attach(local->eth_dev);

	return 0;
}

/*====================================================================*/
/* We use the driver_info field to store the correct firmware type for a card. */

#define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
	.match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \
			PCMCIA_DEV_ID_MATCH_CARD_ID, \
	.manf_id = (manf), \
	.card_id = (card), \
        .driver_info = (kernel_ulong_t)(info), }

#define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
	.match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \
			PCMCIA_DEV_ID_MATCH_PROD_ID2, \
	.prod_id = { (v1), (v2), NULL, NULL }, \
	.prod_id_hash = { (vh1), (vh2), 0, 0 }, \
        .driver_info = (kernel_ulong_t)(info), }

static struct pcmcia_device_id atmel_ids[] = {
	PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
	PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
	PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
	PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
	PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
	PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
	PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
	PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
	PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
	PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
	PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
	PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
	PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
	PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
	PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
	PCMCIA_DEVICE_NULL
};

MODULE_DEVICE_TABLE(pcmcia, atmel_ids);

static struct pcmcia_driver atmel_driver = {
	.owner		= THIS_MODULE,
	.drv		= {
		.name	= "atmel_cs",
        },
	.probe          = atmel_probe,
	.remove		= atmel_detach,
	.id_table	= atmel_ids,
	.suspend	= atmel_suspend,
	.resume		= atmel_resume,
};

static int atmel_cs_init(void)
{
        return pcmcia_register_driver(&atmel_driver);
}

static void atmel_cs_cleanup(void)
{
        pcmcia_unregister_driver(&atmel_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(atmel_cs_init);
module_exit(atmel_cs_cleanup);
Commit	Line	Data
1da177e4 LT	1	/*** -- linux-c -- **********************************************************
	2
	3	Driver for Atmel at76c502 at76c504 and at76c506 wireless cards.
	4
	5	Copyright 2000-2001 ATMEL Corporation.
	6	Copyright 2003 Simon Kelley.
	7
5c877fe5 DT	8	This code was developed from version 2.1.1 of the Atmel drivers,
	9	released by Atmel corp. under the GPL in December 2002. It also
	10	includes code from the Linux aironet drivers (C) Benjamin Reed,
	11	and the Linux PCMCIA package, (C) David Hinds.
1da177e4	12
5c877fe5	13	For all queries about this code, please contact the current author,
1da177e4 LT	14	Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation.
	15
	16	This program is free software; you can redistribute it and/or modify
	17	it under the terms of the GNU General Public License as published by
	18	the Free Software Foundation; either version 2 of the License, or
	19	(at your option) any later version.
	20
	21	This software is distributed in the hope that it will be useful,
	22	but WITHOUT ANY WARRANTY; without even the implied warranty of
	23	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	24	GNU General Public License for more details.
	25
	26	You should have received a copy of the GNU General Public License
	27	along with Atmel wireless lan drivers; if not, write to the Free Software
	28	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	29
	30	******************************************************************************/
	31
1da177e4 LT	32	#ifdef __IN_PCMCIA_PACKAGE__
	33	#include <pcmcia/k_compat.h>
	34	#endif
	35	#include <linux/init.h>
	36	#include <linux/kernel.h>
	37	#include <linux/module.h>
	38	#include <linux/ptrace.h>
	39	#include <linux/slab.h>
	40	#include <linux/string.h>
	41	#include <linux/netdevice.h>
	42	#include <linux/moduleparam.h>
	43	#include <linux/device.h>
	44
1da177e4 LT	45	#include <pcmcia/cistpl.h>
	46	#include <pcmcia/cisreg.h>
	47	#include <pcmcia/ds.h>
	48	#include <pcmcia/ciscode.h>
	49
	50	#include <asm/io.h>
	51	#include <asm/system.h>
	52	#include <linux/wireless.h>
	53
	54	#include "atmel.h"
	55
1da177e4 LT	56
	57	/====================================================================/
	58
	59	MODULE_AUTHOR("Simon Kelley");
	60	MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.");
	61	MODULE_LICENSE("GPL");
	62	MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards");
	63
	64	/====================================================================/
	65
	66	/*
	67	The event() function is this driver's Card Services event handler.
	68	It will be called by Card Services when an appropriate card status
	69	event is received. The config() and release() entry points are
	70	used to configure or release a socket, in response to card
	71	insertion and ejection events. They are invoked from the atmel_cs
5c877fe5	72	event handler.
1da177e4 LT	73	*/
1da177e4 LT	74
15b99ac1	75	static int atmel_config(struct pcmcia_device *link);
fba395ee	76	static void atmel_release(struct pcmcia_device *link);
1da177e4 LT	77
	78	/*
	79	The attach() and detach() entry points are used to create and destroy
	80	"instances" of the driver, where each instance represents everything
	81	needed to manage one actual PCMCIA card.
	82	*/
	83
cc3b4866	84	static void atmel_detach(struct pcmcia_device *p_dev);
1da177e4	85
1da177e4	86	typedef struct local_info_t {
1da177e4 LT	87	struct net_device *eth_dev;
	88	} local_info_t;
	89
	90	/*======================================================================
5c877fe5	91
1da177e4 LT	92	atmel_attach() creates an "instance" of the driver, allocating
	93	local data structures for one device. The device is registered
	94	with Card Services.
5c877fe5	95
1da177e4 LT	96	The dev_link structure is initialized, but we don't actually
	97	configure the card at this point -- we wait until we receive a
	98	card insertion event.
5c877fe5	99
1da177e4 LT	100	======================================================================*/
1da177e4 LT	101
15b99ac1	102	static int atmel_probe(struct pcmcia_device *p_dev)
1da177e4	103	{
1da177e4	104	local_info_t *local;
f8cfa618	105
2caff147	106	dev_dbg(&p_dev->dev, "atmel_attach()\n");
1da177e4	107
1da177e4	108	/* Allocate space for private device-specific data */
b69a3aa8	109	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
1da177e4 LT	110	if (!local) {
1da177e4 LT	111	printk(KERN_ERR "atmel_cs: no memory for new device\n");
f8cfa618	112	return -ENOMEM;
1da177e4	113	}
fd238232	114	p_dev->priv = local;
f8cfa618	115
15b99ac1	116	return atmel_config(p_dev);
1da177e4 LT	117	} /* atmel_attach */
	118
	119	/*======================================================================
5c877fe5	120
1da177e4 LT	121	This deletes a driver "instance". The device is de-registered
	122	with Card Services. If it has been released, all local data
	123	structures are freed. Otherwise, the structures will be freed
	124	when the device is released.
5c877fe5	125
1da177e4 LT	126	======================================================================*/
1da177e4 LT	127
fba395ee	128	static void atmel_detach(struct pcmcia_device *link)
1da177e4	129	{
2caff147	130	dev_dbg(&link->dev, "atmel_detach\n");
1da177e4	131
e2d40963	132	atmel_release(link);
b4635811	133
b4558ea9	134	kfree(link->priv);
1da177e4 LT	135	}
	136
	137	/*======================================================================
5c877fe5	138
1da177e4 LT	139	atmel_config() is scheduled to run after a CARD_INSERTION event
	140	is received, to configure the PCMCIA socket, and to make the
	141	device available to the system.
5c877fe5	142
1da177e4 LT	143	======================================================================*/
1da177e4 LT	144
1da177e4 LT	145	/* Call-back function to interrogate PCMCIA-specific information
	146	about the current existance of the card */
	147	static int card_present(void *arg)
9940ec36	148	{
fba395ee	149	struct pcmcia_device link = (struct pcmcia_device )arg;
9940ec36 DB	150
9940ec36 DB	151	if (pcmcia_dev_present(link))
1da177e4	152	return 1;
9940ec36	153
1da177e4 LT	154	return 0;
	155	}
	156
b54bf94b DB	157	static int atmel_config_check(struct pcmcia_device *p_dev,
b54bf94b DB	158	cistpl_cftable_entry_t *cfg,
8e2fc39d	159	cistpl_cftable_entry_t *dflt,
ad913c11	160	unsigned int vcc,
b54bf94b DB	161	void *priv_data)
b54bf94b DB	162	{
b54bf94b DB	163	if (cfg->index == 0)
b54bf94b DB	164	return -ENODEV;
8e2fc39d	165
b54bf94b	166	/* Does this card need audio output? */
fc301101	167	if (cfg->flags & CISTPL_CFTABLE_AUDIO)
1ac71e5a	168	p_dev->config_flags \|= CONF_ENABLE_SPKR;
b54bf94b DB	169
	170	/* Use power settings for Vcc and Vpp if present */
	171	/* Note that the CIS values need to be rescaled */
	172	if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
e8405f0f	173	p_dev->vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
b54bf94b	174	else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
e8405f0f	175	p_dev->vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
b54bf94b	176
1ac71e5a	177	p_dev->config_flags \|= CONF_ENABLE_IRQ;
b54bf94b DB	178
b54bf94b DB	179	/* IO window settings */
90abdc3b	180	p_dev->resource[0]->end = p_dev->resource[1]->end = 0;
b54bf94b DB	181	if ((cfg->io.nwin > 0) \|\| (dflt->io.nwin > 0)) {
b54bf94b DB	182	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
90abdc3b DB	183	p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
	184	p_dev->resource[0]->flags \|=
	185	pcmcia_io_cfg_data_width(io->flags);
	186	p_dev->resource[0]->start = io->win[0].base;
	187	p_dev->resource[0]->end = io->win[0].len;
b54bf94b	188	if (io->nwin > 1) {
90abdc3b DB	189	p_dev->resource[1]->flags = p_dev->resource[0]->flags;
	190	p_dev->resource[1]->start = io->win[1].base;
	191	p_dev->resource[1]->end = io->win[1].len;
b54bf94b DB	192	}
	193	}
	194
	195	/* This reserves IO space but doesn't actually enable it */
90abdc3b	196	return pcmcia_request_io(p_dev);
b54bf94b DB	197	}
b54bf94b DB	198
15b99ac1	199	static int atmel_config(struct pcmcia_device *link)
1da177e4	200	{
1da177e4	201	local_info_t *dev;
2caff147	202	int ret;
b16a228d	203	struct pcmcia_device_id *did;
b16a228d	204
1da177e4	205	dev = link->priv;
dd2e5a15	206	did = dev_get_drvdata(&link->dev);
1da177e4	207
2caff147	208	dev_dbg(&link->dev, "atmel_config\n");
5c877fe5	209
1da177e4 LT	210	/*
	211	In this loop, we scan the CIS for configuration table entries,
	212	each of which describes a valid card configuration, including
	213	voltage, IO window, memory window, and interrupt settings.
5c877fe5	214
1da177e4 LT	215	We make no assumptions about the card to be configured: we use
	216	just the information available in the CIS. In an ideal world,
	217	this would work for any PCMCIA card, but it requires a complete
	218	and accurate CIS. In practice, a driver usually "knows" most of
	219	these things without consulting the CIS, and most client drivers
	220	will only use the CIS to fill in implementation-defined details.
	221	*/
8e2fc39d	222	if (pcmcia_loop_config(link, atmel_config_check, NULL))
b54bf94b	223	goto failed;
5c877fe5	224
eb14120f DB	225	if (!link->irq) {
	226	dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
	227	goto failed;
2caff147	228	}
5c877fe5	229
1da177e4 LT	230	/*
	231	This actually configures the PCMCIA socket -- setting up
	232	the I/O windows and the interrupt mapping, and putting the
	233	card and host interface into "Memory and IO" mode.
	234	*/
1ac71e5a	235	ret = pcmcia_enable_device(link);
2caff147 DB	236	if (ret)
2caff147 DB	237	goto failed;
5c877fe5	238
5c877fe5	239	((local_info_t*)link->priv)->eth_dev =
eb14120f	240	init_atmel_card(link->irq,
9a017a91	241	link->resource[0]->start,
b16a228d	242	did ? did->driver_info : ATMEL_FW_TYPE_NONE,
dd2e5a15	243	&link->dev,
5c877fe5	244	card_present,
1da177e4	245	link);
5c877fe5	246	if (!((local_info_t*)link->priv)->eth_dev)
2caff147	247	goto failed;
5c877fe5 DT	248
5c877fe5 DT	249
15b99ac1	250	return 0;
e2d40963	251
b54bf94b	252	failed:
1da177e4	253	atmel_release(link);
15b99ac1	254	return -ENODEV;
1da177e4 LT	255	}
	256
	257	/*======================================================================
5c877fe5	258
1da177e4 LT	259	After a card is removed, atmel_release() will unregister the
	260	device, and release the PCMCIA configuration. If the device is
	261	still open, this will be postponed until it is closed.
5c877fe5	262
1da177e4 LT	263	======================================================================*/
1da177e4 LT	264
fba395ee	265	static void atmel_release(struct pcmcia_device *link)
1da177e4 LT	266	{
1da177e4 LT	267	struct net_device dev = ((local_info_t)link->priv)->eth_dev;
5f2a71fc	268
2caff147	269	dev_dbg(&link->dev, "atmel_release\n");
5f2a71fc DB	270
5f2a71fc DB	271	if (dev)
b16a228d	272	stop_atmel_card(dev);
5f2a71fc DB	273	((local_info_t*)link->priv)->eth_dev = NULL;
5f2a71fc DB	274
fba395ee	275	pcmcia_disable_device(link);
1da177e4 LT	276	}
1da177e4 LT	277
fba395ee	278	static int atmel_suspend(struct pcmcia_device *link)
98e4c28b	279	{
98e4c28b DB	280	local_info_t *local = link->priv;
98e4c28b DB	281
e2d40963	282	netif_device_detach(local->eth_dev);
98e4c28b DB	283
	284	return 0;
	285	}
	286
fba395ee	287	static int atmel_resume(struct pcmcia_device *link)
98e4c28b	288	{
98e4c28b DB	289	local_info_t *local = link->priv;
98e4c28b DB	290
e2d40963 DB	291	atmel_open(local->eth_dev);
e2d40963 DB	292	netif_device_attach(local->eth_dev);
98e4c28b DB	293
	294	return 0;
	295	}
	296
1da177e4	297	/====================================================================/
b16a228d	298	/* We use the driver_info field to store the correct firmware type for a card. */
	299
	300	#define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
	301	.match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID\| \
	302	PCMCIA_DEV_ID_MATCH_CARD_ID, \
	303	.manf_id = (manf), \
	304	.card_id = (card), \
	305	.driver_info = (kernel_ulong_t)(info), }
	306
	307	#define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
	308	.match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1\| \
	309	PCMCIA_DEV_ID_MATCH_PROD_ID2, \
	310	.prod_id = { (v1), (v2), NULL, NULL }, \
	311	.prod_id_hash = { (vh1), (vh2), 0, 0 }, \
	312	.driver_info = (kernel_ulong_t)(info), }
	313
4a17a119	314	static struct pcmcia_device_id atmel_ids[] = {
b16a228d	315	PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
	316	PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
	317	PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
	318	PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
	319	PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
	320	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
	321	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
	322	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
	323	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
	324	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
	325	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
	326	PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
	327	PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
	328	PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
	329	PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
	330	PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
	331	PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
	332	PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
	333	PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
	334	PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
	335	PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
4a17a119 DB	336	PCMCIA_DEVICE_NULL
4a17a119 DB	337	};
b16a228d	338
4a17a119 DB	339	MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
4a17a119 DB	340
1da177e4	341	static struct pcmcia_driver atmel_driver = {
1e212f36 DB	342	.owner = THIS_MODULE,
	343	.drv = {
	344	.name = "atmel_cs",
1da177e4	345	},
15b99ac1	346	.probe = atmel_probe,
cc3b4866	347	.remove = atmel_detach,
4a17a119	348	.id_table = atmel_ids,
98e4c28b DB	349	.suspend = atmel_suspend,
98e4c28b DB	350	.resume = atmel_resume,
1da177e4 LT	351	};
	352
	353	static int atmel_cs_init(void)
	354	{
	355	return pcmcia_register_driver(&atmel_driver);
	356	}
	357
	358	static void atmel_cs_cleanup(void)
	359	{
	360	pcmcia_unregister_driver(&atmel_driver);
1da177e4 LT	361	}
	362
	363	/*
	364	This program is free software; you can redistribute it and/or
	365	modify it under the terms of the GNU General Public License
	366	as published by the Free Software Foundation; either version 2
	367	of the License, or (at your option) any later version.
	368
	369	This program is distributed in the hope that it will be useful,
	370	but WITHOUT ANY WARRANTY; without even the implied warranty of
	371	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	372	GNU General Public License for more details.
	373
	374	In addition:
	375
	376	Redistribution and use in source and binary forms, with or without
	377	modification, are permitted provided that the following conditions
	378	are met:
	379
	380	1. Redistributions of source code must retain the above copyright
	381	notice, this list of conditions and the following disclaimer.
	382	2. Redistributions in binary form must reproduce the above copyright
	383	notice, this list of conditions and the following disclaimer in the
	384	documentation and/or other materials provided with the distribution.
	385	3. The name of the author may not be used to endorse or promote
	386	products derived from this software without specific prior written
	387	permission.
	388
	389	THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	390	IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	391	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	392	ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	393	INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	394	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	395	SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	396	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	397	STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	398	IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
5c877fe5	399	POSSIBILITY OF SUCH DAMAGE.
1da177e4 LT	400	*/
	401
	402	module_init(atmel_cs_init);
	403	module_exit(atmel_cs_cleanup);