[linux-2.6-block.git] / drivers / isdn / hardware / avm / avm_cs.c

/* $Id: avm_cs.c,v 1.4.6.3 2001/09/23 22:24:33 kai Exp $
 *
 * A PCMCIA client driver for AVM B1/M1/M2
 *
 * Copyright 1999 by Carsten Paeth <calle@calle.de>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/major.h>
#include <asm/io.h>
#include <asm/system.h>

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

#include <linux/skbuff.h>
#include <linux/capi.h>
#include <linux/b1lli.h>
#include <linux/b1pcmcia.h>

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

MODULE_DESCRIPTION("CAPI4Linux: PCMCIA client driver for AVM B1/M1/M2");
MODULE_AUTHOR("Carsten Paeth");
MODULE_LICENSE("GPL");

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

/*
   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 skeleton event
   handler.
*/

static int avmcs_config(struct pcmcia_device *link);
static void avmcs_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 avmcs_detach(struct pcmcia_device *p_dev);

/*
   A linked list of "instances" of the skeleton device.  Each actual
   PCMCIA card corresponds to one device instance, and is described
   by one struct pcmcia_device structure (defined in ds.h).

   You may not want to use a linked list for this -- for example, the
   memory card driver uses an array of struct pcmcia_device pointers, where minor
   device numbers are used to derive the corresponding array index.
*/

/*
   A driver needs to provide a dev_node_t structure for each device
   on a card.  In some cases, there is only one device per card (for
   example, ethernet cards, modems).  In other cases, there may be
   many actual or logical devices (SCSI adapters, memory cards with
   multiple partitions).  The dev_node_t structures need to be kept
   in a linked list starting at the 'dev' field of a struct pcmcia_device
   structure.  We allocate them in the card's private data structure,
   because they generally can't be allocated dynamically.
*/
   
typedef struct local_info_t {
    dev_node_t	node;
} local_info_t;

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

    avmcs_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 avmcs_probe(struct pcmcia_device *p_dev)
{
    local_info_t *local;

    /* The io structure describes IO port mapping */
    p_dev->io.NumPorts1 = 16;
    p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
    p_dev->io.NumPorts2 = 0;

    /* Interrupt setup */
    p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
    p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;

    p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;

    /* General socket configuration */
    p_dev->conf.Attributes = CONF_ENABLE_IRQ;
    p_dev->conf.IntType = INT_MEMORY_AND_IO;
    p_dev->conf.ConfigIndex = 1;
    p_dev->conf.Present = PRESENT_OPTION;

    /* Allocate space for private device-specific data */
    local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
    if (!local)
        goto err;
    memset(local, 0, sizeof(local_info_t));
    p_dev->priv = local;

    p_dev->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
    return avmcs_config(p_dev);

 err:
    return -ENOMEM;
} /* avmcs_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 avmcs_detach(struct pcmcia_device *link)
{
    if (link->state & DEV_CONFIG)
	avmcs_release(link);

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

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

    avmcs_config() is scheduled to run after a CARD_INSERTION event
    is received, to configure the PCMCIA socket, and to make the
    ethernet device available to the system.
    
======================================================================*/

static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple,
		     cisparse_t *parse)
{
    int i = pcmcia_get_tuple_data(handle, tuple);
    if (i != CS_SUCCESS) return i;
    return pcmcia_parse_tuple(handle, tuple, parse);
}

static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple,
		     cisparse_t *parse)
{
    int i = pcmcia_get_first_tuple(handle, tuple);
    if (i != CS_SUCCESS) return i;
    return get_tuple(handle, tuple, parse);
}

static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple,
		     cisparse_t *parse)
{
    int i = pcmcia_get_next_tuple(handle, tuple);
    if (i != CS_SUCCESS) return i;
    return get_tuple(handle, tuple, parse);
}

static int avmcs_config(struct pcmcia_device *link)
{
    tuple_t tuple;
    cisparse_t parse;
    cistpl_cftable_entry_t *cf = &parse.cftable_entry;
    local_info_t *dev;
    int i;
    u_char buf[64];
    char devname[128];
    int cardtype;
    int (*addcard)(unsigned int port, unsigned irq);

    dev = link->priv;

    /*
       This reads the card's CONFIG tuple to find its configuration
       registers.
    */
    do {
	tuple.DesiredTuple = CISTPL_CONFIG;
	i = pcmcia_get_first_tuple(link, &tuple);
	if (i != CS_SUCCESS) break;
	tuple.TupleData = buf;
	tuple.TupleDataMax = 64;
	tuple.TupleOffset = 0;
	i = pcmcia_get_tuple_data(link, &tuple);
	if (i != CS_SUCCESS) break;
	i = pcmcia_parse_tuple(link, &tuple, &parse);
	if (i != CS_SUCCESS) break;
	link->conf.ConfigBase = parse.config.base;
    } while (0);
    if (i != CS_SUCCESS) {
	cs_error(link, ParseTuple, i);
	link->state &= ~DEV_CONFIG_PENDING;
	return -ENODEV;
    }
    
    /* Configure card */
    link->state |= DEV_CONFIG;

    do {

	tuple.Attributes = 0;
	tuple.TupleData = buf;
	tuple.TupleDataMax = 254;
	tuple.TupleOffset = 0;
	tuple.DesiredTuple = CISTPL_VERS_1;

	devname[0] = 0;
	if( !first_tuple(link, &tuple, &parse) && parse.version_1.ns > 1 ) {
	    strlcpy(devname,parse.version_1.str + parse.version_1.ofs[1], 
			sizeof(devname));
	}
	/*
         * find IO port
         */
	tuple.TupleData = (cisdata_t *)buf;
	tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
	tuple.Attributes = 0;
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	i = first_tuple(link, &tuple, &parse);
	while (i == CS_SUCCESS) {
	    if (cf->io.nwin > 0) {
		link->conf.ConfigIndex = cf->index;
		link->io.BasePort1 = cf->io.win[0].base;
		link->io.NumPorts1 = cf->io.win[0].len;
		link->io.NumPorts2 = 0;
                printk(KERN_INFO "avm_cs: testing i/o %#x-%#x\n",
			link->io.BasePort1,
		        link->io.BasePort1+link->io.NumPorts1-1);
		i = pcmcia_request_io(link, &link->io);
		if (i == CS_SUCCESS) goto found_port;
	    }
	    i = next_tuple(link, &tuple, &parse);
	}

found_port:
	if (i != CS_SUCCESS) {
	    cs_error(link, RequestIO, i);
	    break;
	}

	/*
	 * allocate an interrupt line
	 */
	i = pcmcia_request_irq(link, &link->irq);
	if (i != CS_SUCCESS) {
	    cs_error(link, RequestIRQ, i);
	    /* undo */
	    pcmcia_disable_device(link);
	    break;
	}

	/*
         * configure the PCMCIA socket
	  */
	i = pcmcia_request_configuration(link, &link->conf);
	if (i != CS_SUCCESS) {
	    cs_error(link, RequestConfiguration, i);
	    pcmcia_disable_device(link);
	    break;
	}

    } while (0);

    /* At this point, the dev_node_t structure(s) should be
       initialized and arranged in a linked list at link->dev. */

    if (devname[0]) {
	char *s = strrchr(devname, ' ');
	if (!s)
	   s = devname;
	else s++;
	strcpy(dev->node.dev_name, s);
        if (strcmp("M1", s) == 0) {
           cardtype = AVM_CARDTYPE_M1;
        } else if (strcmp("M2", s) == 0) {
           cardtype = AVM_CARDTYPE_M2;
	} else {
           cardtype = AVM_CARDTYPE_B1;
	}
    } else {
        strcpy(dev->node.dev_name, "b1");
        cardtype = AVM_CARDTYPE_B1;
    }

    dev->node.major = 64;
    dev->node.minor = 0;
    link->dev_node = &dev->node;
    
    link->state &= ~DEV_CONFIG_PENDING;
    /* If any step failed, release any partially configured state */
    if (i != 0) {
	avmcs_release(link);
	return -ENODEV;
    }


    switch (cardtype) {
        case AVM_CARDTYPE_M1: addcard = b1pcmcia_addcard_m1; break;
        case AVM_CARDTYPE_M2: addcard = b1pcmcia_addcard_m2; break;
	default:
        case AVM_CARDTYPE_B1: addcard = b1pcmcia_addcard_b1; break;
    }
    if ((i = (*addcard)(link->io.BasePort1, link->irq.AssignedIRQ)) < 0) {
        printk(KERN_ERR "avm_cs: failed to add AVM-%s-Controller at i/o %#x, irq %d\n",
		dev->node.dev_name, link->io.BasePort1, link->irq.AssignedIRQ);
	avmcs_release(link);
	return -ENODEV;
    }
    dev->node.minor = i;
    return 0;

} /* avmcs_config */

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

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

static void avmcs_release(struct pcmcia_device *link)
{
	b1pcmcia_delcard(link->io.BasePort1, link->irq.AssignedIRQ);
	pcmcia_disable_device(link);
} /* avmcs_release */


static struct pcmcia_device_id avmcs_ids[] = {
	PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN-Controller B1", 0x95d42008, 0x845dc335),
	PCMCIA_DEVICE_PROD_ID12("AVM", "Mobile ISDN-Controller M1", 0x95d42008, 0x81e10430),
	PCMCIA_DEVICE_PROD_ID12("AVM", "Mobile ISDN-Controller M2", 0x95d42008, 0x18e8558a),
	PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, avmcs_ids);

static struct pcmcia_driver avmcs_driver = {
	.owner	= THIS_MODULE,
	.drv	= {
		.name	= "avm_cs",
	},
	.probe = avmcs_probe,
	.remove	= avmcs_detach,
	.id_table = avmcs_ids,
};

static int __init avmcs_init(void)
{
	return pcmcia_register_driver(&avmcs_driver);
}

static void __exit avmcs_exit(void)
{
	pcmcia_unregister_driver(&avmcs_driver);
}

module_init(avmcs_init);
module_exit(avmcs_exit);
Commit	Line	Data
1da177e4 LT	1	/* $Id: avm_cs.c,v 1.4.6.3 2001/09/23 22:24:33 kai Exp $
	2	*
	3	* A PCMCIA client driver for AVM B1/M1/M2
	4	*
	5	* Copyright 1999 by Carsten Paeth <calle@calle.de>
	6	*
	7	* This software may be used and distributed according to the terms
	8	* of the GNU General Public License, incorporated herein by reference.
	9	*
	10	*/
	11
	12	#include <linux/module.h>
	13	#include <linux/kernel.h>
	14	#include <linux/init.h>
	15	#include <linux/sched.h>
	16	#include <linux/ptrace.h>
	17	#include <linux/slab.h>
	18	#include <linux/string.h>
	19	#include <linux/tty.h>
	20	#include <linux/serial.h>
	21	#include <linux/major.h>
	22	#include <asm/io.h>
	23	#include <asm/system.h>
	24
1da177e4 LT	25	#include <pcmcia/cs_types.h>
	26	#include <pcmcia/cs.h>
	27	#include <pcmcia/cistpl.h>
	28	#include <pcmcia/ciscode.h>
	29	#include <pcmcia/ds.h>
	30	#include <pcmcia/cisreg.h>
	31
	32	#include <linux/skbuff.h>
	33	#include <linux/capi.h>
	34	#include <linux/b1lli.h>
	35	#include <linux/b1pcmcia.h>
	36
	37	/====================================================================/
	38
	39	MODULE_DESCRIPTION("CAPI4Linux: PCMCIA client driver for AVM B1/M1/M2");
	40	MODULE_AUTHOR("Carsten Paeth");
	41	MODULE_LICENSE("GPL");
	42
	43	/====================================================================/
	44
	45	/*
	46	The event() function is this driver's Card Services event handler.
	47	It will be called by Card Services when an appropriate card status
	48	event is received. The config() and release() entry points are
	49	used to configure or release a socket, in response to card insertion
	50	and ejection events. They are invoked from the skeleton event
	51	handler.
	52	*/
	53
15b99ac1	54	static int avmcs_config(struct pcmcia_device *link);
fba395ee	55	static void avmcs_release(struct pcmcia_device *link);
1da177e4 LT	56
	57	/*
	58	The attach() and detach() entry points are used to create and destroy
	59	"instances" of the driver, where each instance represents everything
	60	needed to manage one actual PCMCIA card.
	61	*/
	62
cc3b4866	63	static void avmcs_detach(struct pcmcia_device *p_dev);
1da177e4	64
1da177e4 LT	65	/*
	66	A linked list of "instances" of the skeleton device. Each actual
	67	PCMCIA card corresponds to one device instance, and is described
fba395ee	68	by one struct pcmcia_device structure (defined in ds.h).
1da177e4 LT	69
1da177e4 LT	70	You may not want to use a linked list for this -- for example, the
fba395ee	71	memory card driver uses an array of struct pcmcia_device pointers, where minor
1da177e4 LT	72	device numbers are used to derive the corresponding array index.
	73	*/
	74
1da177e4	75	/*
1da177e4 LT	76	A driver needs to provide a dev_node_t structure for each device
	77	on a card. In some cases, there is only one device per card (for
	78	example, ethernet cards, modems). In other cases, there may be
	79	many actual or logical devices (SCSI adapters, memory cards with
	80	multiple partitions). The dev_node_t structures need to be kept
fba395ee	81	in a linked list starting at the 'dev' field of a struct pcmcia_device
1da177e4 LT	82	structure. We allocate them in the card's private data structure,
	83	because they generally can't be allocated dynamically.
	84	*/
	85
	86	typedef struct local_info_t {
	87	dev_node_t node;
	88	} local_info_t;
	89
	90	/*======================================================================
	91
	92	avmcs_attach() creates an "instance" of the driver, allocating
	93	local data structures for one device. The device is registered
	94	with Card Services.
	95
	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.
	99
	100	======================================================================*/
	101
15b99ac1	102	static int avmcs_probe(struct pcmcia_device *p_dev)
1da177e4	103	{
1da177e4	104	local_info_t *local;
f8cfa618	105
1da177e4	106	/* The io structure describes IO port mapping */
fd238232 DB	107	p_dev->io.NumPorts1 = 16;
	108	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	109	p_dev->io.NumPorts2 = 0;
1da177e4 LT	110
1da177e4 LT	111	/* Interrupt setup */
fd238232 DB	112	p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
	113	p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING\|IRQ_FIRST_SHARED;
	114
	115	p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
1da177e4	116
1da177e4	117	/* General socket configuration */
fd238232 DB	118	p_dev->conf.Attributes = CONF_ENABLE_IRQ;
	119	p_dev->conf.IntType = INT_MEMORY_AND_IO;
	120	p_dev->conf.ConfigIndex = 1;
	121	p_dev->conf.Present = PRESENT_OPTION;
1da177e4 LT	122
	123	/* Allocate space for private device-specific data */
	124	local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
	125	if (!local)
fd238232	126	goto err;
1da177e4	127	memset(local, 0, sizeof(local_info_t));
fd238232	128	p_dev->priv = local;
f8cfa618	129
fd238232	130	p_dev->state \|= DEV_PRESENT \| DEV_CONFIG_PENDING;
15b99ac1	131	return avmcs_config(p_dev);
1da177e4	132
1da177e4	133	err:
15b99ac1	134	return -ENOMEM;
1da177e4 LT	135	} /* avmcs_attach */
	136
	137	/*======================================================================
	138
	139	This deletes a driver "instance". The device is de-registered
	140	with Card Services. If it has been released, all local data
	141	structures are freed. Otherwise, the structures will be freed
	142	when the device is released.
	143
	144	======================================================================*/
	145
fba395ee	146	static void avmcs_detach(struct pcmcia_device *link)
1da177e4	147	{
cc3b4866 DB	148	if (link->state & DEV_CONFIG)
cc3b4866 DB	149	avmcs_release(link);
1da177e4	150
3c7208f2	151	kfree(link->priv);
1da177e4 LT	152	} /* avmcs_detach */
	153
	154	/*======================================================================
	155
	156	avmcs_config() is scheduled to run after a CARD_INSERTION event
	157	is received, to configure the PCMCIA socket, and to make the
	158	ethernet device available to the system.
	159
	160	======================================================================*/
	161
fba395ee	162	static int get_tuple(struct pcmcia_device handle, tuple_t tuple,
1da177e4 LT	163	cisparse_t *parse)
	164	{
	165	int i = pcmcia_get_tuple_data(handle, tuple);
	166	if (i != CS_SUCCESS) return i;
	167	return pcmcia_parse_tuple(handle, tuple, parse);
	168	}
	169
fba395ee	170	static int first_tuple(struct pcmcia_device handle, tuple_t tuple,
1da177e4 LT	171	cisparse_t *parse)
	172	{
	173	int i = pcmcia_get_first_tuple(handle, tuple);
	174	if (i != CS_SUCCESS) return i;
	175	return get_tuple(handle, tuple, parse);
	176	}
	177
fba395ee	178	static int next_tuple(struct pcmcia_device handle, tuple_t tuple,
1da177e4 LT	179	cisparse_t *parse)
	180	{
	181	int i = pcmcia_get_next_tuple(handle, tuple);
	182	if (i != CS_SUCCESS) return i;
	183	return get_tuple(handle, tuple, parse);
	184	}
	185
15b99ac1	186	static int avmcs_config(struct pcmcia_device *link)
1da177e4	187	{
1da177e4 LT	188	tuple_t tuple;
	189	cisparse_t parse;
	190	cistpl_cftable_entry_t *cf = &parse.cftable_entry;
	191	local_info_t *dev;
	192	int i;
	193	u_char buf[64];
	194	char devname[128];
	195	int cardtype;
	196	int (*addcard)(unsigned int port, unsigned irq);
fba395ee	197
1da177e4 LT	198	dev = link->priv;
	199
	200	/*
	201	This reads the card's CONFIG tuple to find its configuration
	202	registers.
	203	*/
	204	do {
	205	tuple.DesiredTuple = CISTPL_CONFIG;
fba395ee	206	i = pcmcia_get_first_tuple(link, &tuple);
1da177e4 LT	207	if (i != CS_SUCCESS) break;
	208	tuple.TupleData = buf;
	209	tuple.TupleDataMax = 64;
	210	tuple.TupleOffset = 0;
fba395ee	211	i = pcmcia_get_tuple_data(link, &tuple);
1da177e4	212	if (i != CS_SUCCESS) break;
fba395ee	213	i = pcmcia_parse_tuple(link, &tuple, &parse);
1da177e4 LT	214	if (i != CS_SUCCESS) break;
	215	link->conf.ConfigBase = parse.config.base;
	216	} while (0);
	217	if (i != CS_SUCCESS) {
fba395ee	218	cs_error(link, ParseTuple, i);
1da177e4	219	link->state &= ~DEV_CONFIG_PENDING;
15b99ac1	220	return -ENODEV;
1da177e4 LT	221	}
	222
	223	/* Configure card */
	224	link->state \|= DEV_CONFIG;
	225
	226	do {
	227
	228	tuple.Attributes = 0;
	229	tuple.TupleData = buf;
	230	tuple.TupleDataMax = 254;
	231	tuple.TupleOffset = 0;
	232	tuple.DesiredTuple = CISTPL_VERS_1;
	233
	234	devname[0] = 0;
fba395ee	235	if( !first_tuple(link, &tuple, &parse) && parse.version_1.ns > 1 ) {
1da177e4 LT	236	strlcpy(devname,parse.version_1.str + parse.version_1.ofs[1],
	237	sizeof(devname));
	238	}
	239	/*
	240	* find IO port
	241	*/
	242	tuple.TupleData = (cisdata_t *)buf;
	243	tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
	244	tuple.Attributes = 0;
	245	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
fba395ee	246	i = first_tuple(link, &tuple, &parse);
1da177e4 LT	247	while (i == CS_SUCCESS) {
	248	if (cf->io.nwin > 0) {
	249	link->conf.ConfigIndex = cf->index;
	250	link->io.BasePort1 = cf->io.win[0].base;
	251	link->io.NumPorts1 = cf->io.win[0].len;
	252	link->io.NumPorts2 = 0;
	253	printk(KERN_INFO "avm_cs: testing i/o %#x-%#x\n",
	254	link->io.BasePort1,
	255	link->io.BasePort1+link->io.NumPorts1-1);
fba395ee	256	i = pcmcia_request_io(link, &link->io);
1da177e4 LT	257	if (i == CS_SUCCESS) goto found_port;
1da177e4 LT	258	}
fba395ee	259	i = next_tuple(link, &tuple, &parse);
1da177e4 LT	260	}
	261
	262	found_port:
	263	if (i != CS_SUCCESS) {
fba395ee	264	cs_error(link, RequestIO, i);
1da177e4 LT	265	break;
1da177e4 LT	266	}
50db3fdb	267
1da177e4 LT	268	/*
	269	* allocate an interrupt line
	270	*/
fba395ee	271	i = pcmcia_request_irq(link, &link->irq);
1da177e4	272	if (i != CS_SUCCESS) {
fba395ee	273	cs_error(link, RequestIRQ, i);
50db3fdb	274	/* undo */
fba395ee	275	pcmcia_disable_device(link);
1da177e4 LT	276	break;
1da177e4 LT	277	}
50db3fdb	278
1da177e4 LT	279	/*
	280	* configure the PCMCIA socket
	281	*/
fba395ee	282	i = pcmcia_request_configuration(link, &link->conf);
1da177e4	283	if (i != CS_SUCCESS) {
fba395ee DB	284	cs_error(link, RequestConfiguration, i);
fba395ee DB	285	pcmcia_disable_device(link);
1da177e4 LT	286	break;
	287	}
	288
	289	} while (0);
	290
	291	/* At this point, the dev_node_t structure(s) should be
	292	initialized and arranged in a linked list at link->dev. */
	293
	294	if (devname[0]) {
	295	char *s = strrchr(devname, ' ');
	296	if (!s)
	297	s = devname;
	298	else s++;
	299	strcpy(dev->node.dev_name, s);
	300	if (strcmp("M1", s) == 0) {
	301	cardtype = AVM_CARDTYPE_M1;
	302	} else if (strcmp("M2", s) == 0) {
	303	cardtype = AVM_CARDTYPE_M2;
	304	} else {
	305	cardtype = AVM_CARDTYPE_B1;
	306	}
	307	} else {
	308	strcpy(dev->node.dev_name, "b1");
	309	cardtype = AVM_CARDTYPE_B1;
	310	}
	311
	312	dev->node.major = 64;
	313	dev->node.minor = 0;
fd238232	314	link->dev_node = &dev->node;
1da177e4 LT	315
	316	link->state &= ~DEV_CONFIG_PENDING;
	317	/* If any step failed, release any partially configured state */
	318	if (i != 0) {
	319	avmcs_release(link);
15b99ac1	320	return -ENODEV;
1da177e4 LT	321	}
	322
	323
	324	switch (cardtype) {
	325	case AVM_CARDTYPE_M1: addcard = b1pcmcia_addcard_m1; break;
	326	case AVM_CARDTYPE_M2: addcard = b1pcmcia_addcard_m2; break;
	327	default:
	328	case AVM_CARDTYPE_B1: addcard = b1pcmcia_addcard_b1; break;
	329	}
	330	if ((i = (*addcard)(link->io.BasePort1, link->irq.AssignedIRQ)) < 0) {
	331	printk(KERN_ERR "avm_cs: failed to add AVM-%s-Controller at i/o %#x, irq %d\n",
	332	dev->node.dev_name, link->io.BasePort1, link->irq.AssignedIRQ);
	333	avmcs_release(link);
15b99ac1	334	return -ENODEV;
1da177e4 LT	335	}
1da177e4 LT	336	dev->node.minor = i;
15b99ac1	337	return 0;
1da177e4 LT	338
	339	} /* avmcs_config */
	340
	341	/*======================================================================
	342
	343	After a card is removed, avmcs_release() will unregister the net
	344	device, and release the PCMCIA configuration. If the device is
	345	still open, this will be postponed until it is closed.
	346
	347	======================================================================*/
	348
fba395ee	349	static void avmcs_release(struct pcmcia_device *link)
1da177e4	350	{
5f2a71fc	351	b1pcmcia_delcard(link->io.BasePort1, link->irq.AssignedIRQ);
fba395ee	352	pcmcia_disable_device(link);
1da177e4 LT	353	} /* avmcs_release */
1da177e4 LT	354
1da177e4	355
a13bcf0d DB	356	static struct pcmcia_device_id avmcs_ids[] = {
	357	PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN-Controller B1", 0x95d42008, 0x845dc335),
	358	PCMCIA_DEVICE_PROD_ID12("AVM", "Mobile ISDN-Controller M1", 0x95d42008, 0x81e10430),
	359	PCMCIA_DEVICE_PROD_ID12("AVM", "Mobile ISDN-Controller M2", 0x95d42008, 0x18e8558a),
	360	PCMCIA_DEVICE_NULL
	361	};
	362	MODULE_DEVICE_TABLE(pcmcia, avmcs_ids);
	363
1da177e4 LT	364	static struct pcmcia_driver avmcs_driver = {
	365	.owner = THIS_MODULE,
	366	.drv = {
	367	.name = "avm_cs",
	368	},
15b99ac1	369	.probe = avmcs_probe,
cc3b4866	370	.remove = avmcs_detach,
a13bcf0d	371	.id_table = avmcs_ids,
1da177e4 LT	372	};
	373
	374	static int __init avmcs_init(void)
	375	{
	376	return pcmcia_register_driver(&avmcs_driver);
	377	}
	378
	379	static void __exit avmcs_exit(void)
	380	{
	381	pcmcia_unregister_driver(&avmcs_driver);
1da177e4 LT	382	}
	383
	384	module_init(avmcs_init);
	385	module_exit(avmcs_exit);