[net-next-2.6.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/cs.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");

	/*
	  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 "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->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 */
	return pcmcia_request_io(p_dev, &p_dev->io);
}

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_request_configuration(link, &link->conf);
	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/cs.h>
	46	#include <pcmcia/cistpl.h>
	47	#include <pcmcia/cisreg.h>
	48	#include <pcmcia/ds.h>
	49	#include <pcmcia/ciscode.h>
	50
	51	#include <asm/io.h>
	52	#include <asm/system.h>
	53	#include <linux/wireless.h>
	54
	55	#include "atmel.h"
	56
1da177e4 LT	57
	58	/====================================================================/
	59
	60	MODULE_AUTHOR("Simon Kelley");
	61	MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.");
	62	MODULE_LICENSE("GPL");
	63	MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards");
	64
	65	/====================================================================/
	66
	67	/*
	68	The event() function is this driver's Card Services event handler.
	69	It will be called by Card Services when an appropriate card status
	70	event is received. The config() and release() entry points are
	71	used to configure or release a socket, in response to card
	72	insertion and ejection events. They are invoked from the atmel_cs
5c877fe5	73	event handler.
1da177e4 LT	74	*/
1da177e4 LT	75
15b99ac1	76	static int atmel_config(struct pcmcia_device *link);
fba395ee	77	static void atmel_release(struct pcmcia_device *link);
1da177e4 LT	78
	79	/*
	80	The attach() and detach() entry points are used to create and destroy
	81	"instances" of the driver, where each instance represents everything
	82	needed to manage one actual PCMCIA card.
	83	*/
	84
cc3b4866	85	static void atmel_detach(struct pcmcia_device *p_dev);
1da177e4	86
1da177e4	87	typedef struct local_info_t {
1da177e4 LT	88	struct net_device *eth_dev;
	89	} local_info_t;
	90
	91	/*======================================================================
5c877fe5	92
1da177e4 LT	93	atmel_attach() creates an "instance" of the driver, allocating
	94	local data structures for one device. The device is registered
	95	with Card Services.
5c877fe5	96
1da177e4 LT	97	The dev_link structure is initialized, but we don't actually
	98	configure the card at this point -- we wait until we receive a
	99	card insertion event.
5c877fe5	100
1da177e4 LT	101	======================================================================*/
1da177e4 LT	102
15b99ac1	103	static int atmel_probe(struct pcmcia_device *p_dev)
1da177e4	104	{
1da177e4	105	local_info_t *local;
f8cfa618	106
2caff147	107	dev_dbg(&p_dev->dev, "atmel_attach()\n");
1da177e4	108
1da177e4 LT	109	/*
	110	General socket configuration defaults can go here. In this
	111	client, we assume very little, and rely on the CIS for almost
	112	everything. In most clients, many details (i.e., number, sizes,
	113	and attributes of IO windows) are fixed by the nature of the
	114	device, and can be hard-wired here.
	115	*/
fd238232 DB	116	p_dev->conf.Attributes = 0;
fd238232 DB	117	p_dev->conf.IntType = INT_MEMORY_AND_IO;
f8cfa618	118
1da177e4	119	/* Allocate space for private device-specific data */
b69a3aa8	120	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
1da177e4 LT	121	if (!local) {
1da177e4 LT	122	printk(KERN_ERR "atmel_cs: no memory for new device\n");
f8cfa618	123	return -ENOMEM;
1da177e4	124	}
fd238232	125	p_dev->priv = local;
f8cfa618	126
15b99ac1	127	return atmel_config(p_dev);
1da177e4 LT	128	} /* atmel_attach */
	129
	130	/*======================================================================
5c877fe5	131
1da177e4 LT	132	This deletes a driver "instance". The device is de-registered
	133	with Card Services. If it has been released, all local data
	134	structures are freed. Otherwise, the structures will be freed
	135	when the device is released.
5c877fe5	136
1da177e4 LT	137	======================================================================*/
1da177e4 LT	138
fba395ee	139	static void atmel_detach(struct pcmcia_device *link)
1da177e4	140	{
2caff147	141	dev_dbg(&link->dev, "atmel_detach\n");
1da177e4	142
e2d40963	143	atmel_release(link);
b4635811	144
b4558ea9	145	kfree(link->priv);
1da177e4 LT	146	}
	147
	148	/*======================================================================
5c877fe5	149
1da177e4 LT	150	atmel_config() is scheduled to run after a CARD_INSERTION event
	151	is received, to configure the PCMCIA socket, and to make the
	152	device available to the system.
5c877fe5	153
1da177e4 LT	154	======================================================================*/
1da177e4 LT	155
1da177e4 LT	156	/* Call-back function to interrogate PCMCIA-specific information
	157	about the current existance of the card */
	158	static int card_present(void *arg)
9940ec36	159	{
fba395ee	160	struct pcmcia_device link = (struct pcmcia_device )arg;
9940ec36 DB	161
9940ec36 DB	162	if (pcmcia_dev_present(link))
1da177e4	163	return 1;
9940ec36	164
1da177e4 LT	165	return 0;
	166	}
	167
b54bf94b DB	168	static int atmel_config_check(struct pcmcia_device *p_dev,
b54bf94b DB	169	cistpl_cftable_entry_t *cfg,
8e2fc39d	170	cistpl_cftable_entry_t *dflt,
ad913c11	171	unsigned int vcc,
b54bf94b DB	172	void *priv_data)
b54bf94b DB	173	{
b54bf94b DB	174	if (cfg->index == 0)
b54bf94b DB	175	return -ENODEV;
8e2fc39d	176
b54bf94b DB	177	/* Does this card need audio output? */
	178	if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
	179	p_dev->conf.Attributes \|= CONF_ENABLE_SPKR;
	180	p_dev->conf.Status = CCSR_AUDIO_ENA;
	181	}
	182
	183	/* Use power settings for Vcc and Vpp if present */
	184	/* Note that the CIS values need to be rescaled */
	185	if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
	186	p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
	187	else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
	188	p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
	189
eb14120f	190	p_dev->conf.Attributes \|= CONF_ENABLE_IRQ;
b54bf94b DB	191
	192	/* IO window settings */
	193	p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
	194	if ((cfg->io.nwin > 0) \|\| (dflt->io.nwin > 0)) {
	195	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
	196	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	197	if (!(io->flags & CISTPL_IO_8BIT))
	198	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
	199	if (!(io->flags & CISTPL_IO_16BIT))
	200	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	201	p_dev->io.BasePort1 = io->win[0].base;
	202	p_dev->io.NumPorts1 = io->win[0].len;
	203	if (io->nwin > 1) {
	204	p_dev->io.Attributes2 = p_dev->io.Attributes1;
	205	p_dev->io.BasePort2 = io->win[1].base;
	206	p_dev->io.NumPorts2 = io->win[1].len;
	207	}
	208	}
	209
	210	/* This reserves IO space but doesn't actually enable it */
	211	return pcmcia_request_io(p_dev, &p_dev->io);
	212	}
	213
15b99ac1	214	static int atmel_config(struct pcmcia_device *link)
1da177e4	215	{
1da177e4	216	local_info_t *dev;
2caff147	217	int ret;
b16a228d SK	218	struct pcmcia_device_id *did;
b16a228d SK	219
1da177e4	220	dev = link->priv;
dd2e5a15	221	did = dev_get_drvdata(&link->dev);
1da177e4	222
2caff147	223	dev_dbg(&link->dev, "atmel_config\n");
5c877fe5	224
1da177e4 LT	225	/*
	226	In this loop, we scan the CIS for configuration table entries,
	227	each of which describes a valid card configuration, including
	228	voltage, IO window, memory window, and interrupt settings.
5c877fe5	229
1da177e4 LT	230	We make no assumptions about the card to be configured: we use
	231	just the information available in the CIS. In an ideal world,
	232	this would work for any PCMCIA card, but it requires a complete
	233	and accurate CIS. In practice, a driver usually "knows" most of
	234	these things without consulting the CIS, and most client drivers
	235	will only use the CIS to fill in implementation-defined details.
	236	*/
8e2fc39d	237	if (pcmcia_loop_config(link, atmel_config_check, NULL))
b54bf94b	238	goto failed;
5c877fe5	239
eb14120f DB	240	if (!link->irq) {
	241	dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
	242	goto failed;
2caff147	243	}
5c877fe5	244
1da177e4 LT	245	/*
	246	This actually configures the PCMCIA socket -- setting up
	247	the I/O windows and the interrupt mapping, and putting the
	248	card and host interface into "Memory and IO" mode.
	249	*/
2caff147 DB	250	ret = pcmcia_request_configuration(link, &link->conf);
	251	if (ret)
	252	goto failed;
5c877fe5	253
5c877fe5	254	((local_info_t*)link->priv)->eth_dev =
eb14120f	255	init_atmel_card(link->irq,
9a017a91	256	link->resource[0]->start,
b16a228d	257	did ? did->driver_info : ATMEL_FW_TYPE_NONE,
dd2e5a15	258	&link->dev,
5c877fe5	259	card_present,
1da177e4	260	link);
5c877fe5	261	if (!((local_info_t*)link->priv)->eth_dev)
2caff147	262	goto failed;
5c877fe5 DT	263
5c877fe5 DT	264
15b99ac1	265	return 0;
e2d40963	266
b54bf94b	267	failed:
1da177e4	268	atmel_release(link);
15b99ac1	269	return -ENODEV;
1da177e4 LT	270	}
	271
	272	/*======================================================================
5c877fe5	273
1da177e4 LT	274	After a card is removed, atmel_release() will unregister the
	275	device, and release the PCMCIA configuration. If the device is
	276	still open, this will be postponed until it is closed.
5c877fe5	277
1da177e4 LT	278	======================================================================*/
1da177e4 LT	279
fba395ee	280	static void atmel_release(struct pcmcia_device *link)
1da177e4 LT	281	{
1da177e4 LT	282	struct net_device dev = ((local_info_t)link->priv)->eth_dev;
5f2a71fc	283
2caff147	284	dev_dbg(&link->dev, "atmel_release\n");
5f2a71fc DB	285
5f2a71fc DB	286	if (dev)
b16a228d	287	stop_atmel_card(dev);
5f2a71fc DB	288	((local_info_t*)link->priv)->eth_dev = NULL;
5f2a71fc DB	289
fba395ee	290	pcmcia_disable_device(link);
1da177e4 LT	291	}
1da177e4 LT	292
fba395ee	293	static int atmel_suspend(struct pcmcia_device *link)
98e4c28b	294	{
98e4c28b DB	295	local_info_t *local = link->priv;
98e4c28b DB	296
e2d40963	297	netif_device_detach(local->eth_dev);
98e4c28b DB	298
	299	return 0;
	300	}
	301
fba395ee	302	static int atmel_resume(struct pcmcia_device *link)
98e4c28b	303	{
98e4c28b DB	304	local_info_t *local = link->priv;
98e4c28b DB	305
e2d40963 DB	306	atmel_open(local->eth_dev);
e2d40963 DB	307	netif_device_attach(local->eth_dev);
98e4c28b DB	308
	309	return 0;
	310	}
	311
1da177e4	312	/====================================================================/
b16a228d SK	313	/* We use the driver_info field to store the correct firmware type for a card. */
	314
	315	#define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
	316	.match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID\| \
	317	PCMCIA_DEV_ID_MATCH_CARD_ID, \
	318	.manf_id = (manf), \
	319	.card_id = (card), \
	320	.driver_info = (kernel_ulong_t)(info), }
	321
	322	#define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
	323	.match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1\| \
	324	PCMCIA_DEV_ID_MATCH_PROD_ID2, \
	325	.prod_id = { (v1), (v2), NULL, NULL }, \
	326	.prod_id_hash = { (vh1), (vh2), 0, 0 }, \
	327	.driver_info = (kernel_ulong_t)(info), }
	328
4a17a119	329	static struct pcmcia_device_id atmel_ids[] = {
b16a228d SK	330	PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
	331	PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
	332	PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
	333	PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
	334	PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
	335	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
	336	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
	337	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
	338	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
	339	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
	340	PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
	341	PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
	342	PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
	343	PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
	344	PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
	345	PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
	346	PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
	347	PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
	348	PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
	349	PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
	350	PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
4a17a119 DB	351	PCMCIA_DEVICE_NULL
4a17a119 DB	352	};
b16a228d	353
4a17a119 DB	354	MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
4a17a119 DB	355
1da177e4	356	static struct pcmcia_driver atmel_driver = {
1e212f36 DB	357	.owner = THIS_MODULE,
	358	.drv = {
	359	.name = "atmel_cs",
1da177e4	360	},
15b99ac1	361	.probe = atmel_probe,
cc3b4866	362	.remove = atmel_detach,
4a17a119	363	.id_table = atmel_ids,
98e4c28b DB	364	.suspend = atmel_suspend,
98e4c28b DB	365	.resume = atmel_resume,
1da177e4 LT	366	};
	367
	368	static int atmel_cs_init(void)
	369	{
	370	return pcmcia_register_driver(&atmel_driver);
	371	}
	372
	373	static void atmel_cs_cleanup(void)
	374	{
	375	pcmcia_unregister_driver(&atmel_driver);
1da177e4 LT	376	}
	377
	378	/*
	379	This program is free software; you can redistribute it and/or
	380	modify it under the terms of the GNU General Public License
	381	as published by the Free Software Foundation; either version 2
	382	of the License, or (at your option) any later version.
	383
	384	This program is distributed in the hope that it will be useful,
	385	but WITHOUT ANY WARRANTY; without even the implied warranty of
	386	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	387	GNU General Public License for more details.
	388
	389	In addition:
	390
	391	Redistribution and use in source and binary forms, with or without
	392	modification, are permitted provided that the following conditions
	393	are met:
	394
	395	1. Redistributions of source code must retain the above copyright
	396	notice, this list of conditions and the following disclaimer.
	397	2. Redistributions in binary form must reproduce the above copyright
	398	notice, this list of conditions and the following disclaimer in the
	399	documentation and/or other materials provided with the distribution.
	400	3. The name of the author may not be used to endorse or promote
	401	products derived from this software without specific prior written
	402	permission.
	403
	404	THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	405	IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	406	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	407	ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	408	INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	409	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	410	SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	411	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	412	STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	413	IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
5c877fe5	414	POSSIBILITY OF SUCH DAMAGE.
1da177e4 LT	415	*/
	416
	417	module_init(atmel_cs_init);
	418	module_exit(atmel_cs_cleanup);