[deliverable/linux.git] / drivers / net / pcmcia / ibmtr_cs.c

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

    A PCMCIA token-ring driver for IBM-based cards

    This driver supports the IBM PCMCIA Token-Ring Card.
    Written by Steve Kipisz, kipisz@vnet.ibm.com or
                             bungy@ibm.net

    Written 1995,1996.

    This code is based on pcnet_cs.c from David Hinds.
    
    V2.2.0 February 1999 - Mike Phillips phillim@amtrak.com

    Linux V2.2.x presented significant changes to the underlying
    ibmtr.c code.  Mainly the code became a lot more organized and
    modular.

    This caused the old PCMCIA Token Ring driver to give up and go 
    home early. Instead of just patching the old code to make it 
    work, the PCMCIA code has been streamlined, updated and possibly
    improved.

    This code now only contains code required for the Card Services.
    All we do here is set the card up enough so that the real ibmtr.c
    driver can find it and work with it properly.

    i.e. We set up the io port, irq, mmio memory and shared ram
    memory.  This enables ibmtr_probe in ibmtr.c to find the card and
    configure it as though it was a normal ISA and/or PnP card.

    CHANGES

    v2.2.5 April 1999 Mike Phillips (phillim@amtrak.com)
    Obscure bug fix, required changed to ibmtr.c not ibmtr_cs.c
    
    v2.2.7 May 1999 Mike Phillips (phillim@amtrak.com)
    Updated to version 2.2.7 to match the first version of the kernel
    that the modification to ibmtr.c were incorporated into.
    
    v2.2.17 July 2000 Burt Silverman (burts@us.ibm.com)
    Address translation feature of PCMCIA controller is usable so
    memory windows can be placed in High memory (meaning above
    0xFFFFF.)

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

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/module.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/trdevice.h>
#include <linux/ibmtr.h>

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

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

#define PCMCIA
#include "../tokenring/ibmtr.c"

#ifdef PCMCIA_DEBUG
static int pc_debug = PCMCIA_DEBUG;
module_param(pc_debug, int, 0);
#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
static char *version =
"ibmtr_cs.c 1.10   1996/01/06 05:19:00 (Steve Kipisz)\n"
"           2.2.7  1999/05/03 12:00:00 (Mike Phillips)\n"
"           2.4.2  2001/30/28 Midnight (Burt Silverman)\n";
#else
#define DEBUG(n, args...)
#endif

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

/* Parameters that can be set with 'insmod' */

/* MMIO base address */
static u_long mmiobase = 0xce000;

/* SRAM base address */
static u_long srambase = 0xd0000;

/* SRAM size 8,16,32,64 */
static u_long sramsize = 64;

/* Ringspeed 4,16 */
static int ringspeed = 16;

module_param(mmiobase, ulong, 0);
module_param(srambase, ulong, 0);
module_param(sramsize, ulong, 0);
module_param(ringspeed, int, 0);
MODULE_LICENSE("GPL");

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

static int ibmtr_config(struct pcmcia_device *link);
static void ibmtr_hw_setup(struct net_device *dev, u_int mmiobase);
static void ibmtr_release(struct pcmcia_device *link);
static void ibmtr_detach(struct pcmcia_device *p_dev);

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

typedef struct ibmtr_dev_t {
	struct pcmcia_device	*p_dev;
    struct net_device	*dev;
    dev_node_t          node;
    window_handle_t     sram_win_handle;
    struct tok_info	*ti;
} ibmtr_dev_t;

static void netdev_get_drvinfo(struct net_device *dev,
			       struct ethtool_drvinfo *info)
{
	strcpy(info->driver, "ibmtr_cs");
}

static const struct ethtool_ops netdev_ethtool_ops = {
	.get_drvinfo		= netdev_get_drvinfo,
};

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

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

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

static int __devinit ibmtr_attach(struct pcmcia_device *link)
{
    ibmtr_dev_t *info;
    struct net_device *dev;

    DEBUG(0, "ibmtr_attach()\n");

    /* Create new token-ring device */
    info = kmalloc(sizeof(*info), GFP_KERNEL); 
    if (!info) return -ENOMEM;
    memset(info,0,sizeof(*info));
    dev = alloc_trdev(sizeof(struct tok_info));
    if (!dev) {
	kfree(info);
	return -ENOMEM;
    }

    info->p_dev = link;
    link->priv = info;
    info->ti = netdev_priv(dev);

    link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
    link->io.NumPorts1 = 4;
    link->io.IOAddrLines = 16;
    link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
    link->irq.IRQInfo1 = IRQ_LEVEL_ID;
    link->irq.Handler = &tok_interrupt;
    link->conf.Attributes = CONF_ENABLE_IRQ;
    link->conf.IntType = INT_MEMORY_AND_IO;
    link->conf.Present = PRESENT_OPTION;

    link->irq.Instance = info->dev = dev;

    SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);

    return ibmtr_config(link);
} /* ibmtr_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 ibmtr_detach(struct pcmcia_device *link)
{
    struct ibmtr_dev_t *info = link->priv;
    struct net_device *dev = info->dev;

    DEBUG(0, "ibmtr_detach(0x%p)\n", link);

    if (link->dev_node)
	unregister_netdev(dev);

    {
	struct tok_info *ti = netdev_priv(dev);
	del_timer_sync(&(ti->tr_timer));
    }

    ibmtr_release(link);

    free_netdev(dev);
    kfree(info);
} /* ibmtr_detach */

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

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

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

#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)

static int __devinit ibmtr_config(struct pcmcia_device *link)
{
    ibmtr_dev_t *info = link->priv;
    struct net_device *dev = info->dev;
    struct tok_info *ti = netdev_priv(dev);
    win_req_t req;
    memreq_t mem;
    int i, last_ret, last_fn;

    DEBUG(0, "ibmtr_config(0x%p)\n", link);

    link->conf.ConfigIndex = 0x61;

    /* Determine if this is PRIMARY or ALTERNATE. */

    /* Try PRIMARY card at 0xA20-0xA23 */
    link->io.BasePort1 = 0xA20;
    i = pcmcia_request_io(link, &link->io);
    if (i != CS_SUCCESS) {
	/* Couldn't get 0xA20-0xA23.  Try ALTERNATE at 0xA24-0xA27. */
	link->io.BasePort1 = 0xA24;
	CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
    }
    dev->base_addr = link->io.BasePort1;

    CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
    dev->irq = link->irq.AssignedIRQ;
    ti->irq = link->irq.AssignedIRQ;
    ti->global_int_enable=GLOBAL_INT_ENABLE+((dev->irq==9) ? 2 : dev->irq);

    /* Allocate the MMIO memory window */
    req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM|WIN_ENABLE;
    req.Attributes |= WIN_USE_WAIT;
    req.Base = 0; 
    req.Size = 0x2000;
    req.AccessSpeed = 250;
    CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &link->win));

    mem.CardOffset = mmiobase;
    mem.Page = 0;
    CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem));
    ti->mmio = ioremap(req.Base, req.Size);

    /* Allocate the SRAM memory window */
    req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM|WIN_ENABLE;
    req.Attributes |= WIN_USE_WAIT;
    req.Base = 0;
    req.Size = sramsize * 1024;
    req.AccessSpeed = 250;
    CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &info->sram_win_handle));

    mem.CardOffset = srambase;
    mem.Page = 0;
    CS_CHECK(MapMemPage, pcmcia_map_mem_page(info->sram_win_handle, &mem));

    ti->sram_base = mem.CardOffset >> 12;
    ti->sram_virt = ioremap(req.Base, req.Size);
    ti->sram_phys = req.Base;

    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));

    /*  Set up the Token-Ring Controller Configuration Register and
        turn on the card.  Check the "Local Area Network Credit Card
        Adapters Technical Reference"  SC30-3585 for this info.  */
    ibmtr_hw_setup(dev, mmiobase);

    link->dev_node = &info->node;
    SET_NETDEV_DEV(dev, &handle_to_dev(link));

    i = ibmtr_probe_card(dev);
    if (i != 0) {
	printk(KERN_NOTICE "ibmtr_cs: register_netdev() failed\n");
	link->dev_node = NULL;
	goto failed;
    }

    strcpy(info->node.dev_name, dev->name);

    printk(KERN_INFO "%s: port %#3lx, irq %d,",
           dev->name, dev->base_addr, dev->irq);
    printk (" mmio %#5lx,", (u_long)ti->mmio);
    printk (" sram %#5lx,", (u_long)ti->sram_base << 12);
    printk ("\n" KERN_INFO "  hwaddr=");
    for (i = 0; i < TR_ALEN; i++)
        printk("%02X", dev->dev_addr[i]);
    printk("\n");
    return 0;

cs_failed:
    cs_error(link, last_fn, last_ret);
failed:
    ibmtr_release(link);
    return -ENODEV;
} /* ibmtr_config */

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

    After a card is removed, ibmtr_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 ibmtr_release(struct pcmcia_device *link)
{
	ibmtr_dev_t *info = link->priv;
	struct net_device *dev = info->dev;

	DEBUG(0, "ibmtr_release(0x%p)\n", link);

	if (link->win) {
		struct tok_info *ti = netdev_priv(dev);
		iounmap(ti->mmio);
		pcmcia_release_window(info->sram_win_handle);
	}
	pcmcia_disable_device(link);
}

static int ibmtr_suspend(struct pcmcia_device *link)
{
	ibmtr_dev_t *info = link->priv;
	struct net_device *dev = info->dev;

	if (link->open)
		netif_device_detach(dev);

	return 0;
}

static int ibmtr_resume(struct pcmcia_device *link)
{
	ibmtr_dev_t *info = link->priv;
	struct net_device *dev = info->dev;

	if (link->open) {
		ibmtr_probe(dev);	/* really? */
		netif_device_attach(dev);
	}

	return 0;
}


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

static void ibmtr_hw_setup(struct net_device *dev, u_int mmiobase)
{
    int i;

    /* Bizarre IBM behavior, there are 16 bits of information we
       need to set, but the card only allows us to send 4 bits at a 
       time.  For each byte sent to base_addr, bits 7-4 tell the
       card which part of the 16 bits we are setting, bits 3-0 contain 
       the actual information */

    /* First nibble provides 4 bits of mmio */
    i = (mmiobase >> 16) & 0x0F;
    outb(i, dev->base_addr);

    /* Second nibble provides 3 bits of mmio */
    i = 0x10 | ((mmiobase >> 12) & 0x0E);
    outb(i, dev->base_addr);

    /* Third nibble, hard-coded values */
    i = 0x26;
    outb(i, dev->base_addr);

    /* Fourth nibble sets shared ram page size */

    /* 8 = 00, 16 = 01, 32 = 10, 64 = 11 */          
    i = (sramsize >> 4) & 0x07;
    i = ((i == 4) ? 3 : i) << 2;
    i |= 0x30;

    if (ringspeed == 16)
	i |= 2;
    if (dev->base_addr == 0xA24)
	i |= 1;
    outb(i, dev->base_addr);

    /* 0x40 will release the card for use */
    outb(0x40, dev->base_addr);

    return;
}

static struct pcmcia_device_id ibmtr_ids[] = {
	PCMCIA_DEVICE_PROD_ID12("3Com", "TokenLink Velocity PC Card", 0x41240e5b, 0x82c3734e),
	PCMCIA_DEVICE_PROD_ID12("IBM", "TOKEN RING", 0xb569a6e5, 0xbf8eed47),
	PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, ibmtr_ids);

static struct pcmcia_driver ibmtr_cs_driver = {
	.owner		= THIS_MODULE,
	.drv		= {
		.name	= "ibmtr_cs",
	},
	.probe		= ibmtr_attach,
	.remove		= ibmtr_detach,
	.id_table       = ibmtr_ids,
	.suspend	= ibmtr_suspend,
	.resume		= ibmtr_resume,
};

static int __init init_ibmtr_cs(void)
{
	return pcmcia_register_driver(&ibmtr_cs_driver);
}

static void __exit exit_ibmtr_cs(void)
{
	pcmcia_unregister_driver(&ibmtr_cs_driver);
}

module_init(init_ibmtr_cs);
module_exit(exit_ibmtr_cs);
Commit	Line	Data
1da177e4 LT	1	/*======================================================================
	2
	3	A PCMCIA token-ring driver for IBM-based cards
	4
	5	This driver supports the IBM PCMCIA Token-Ring Card.
	6	Written by Steve Kipisz, kipisz@vnet.ibm.com or
	7	bungy@ibm.net
	8
	9	Written 1995,1996.
	10
	11	This code is based on pcnet_cs.c from David Hinds.
	12
	13	V2.2.0 February 1999 - Mike Phillips phillim@amtrak.com
	14
	15	Linux V2.2.x presented significant changes to the underlying
	16	ibmtr.c code. Mainly the code became a lot more organized and
	17	modular.
	18
	19	This caused the old PCMCIA Token Ring driver to give up and go
	20	home early. Instead of just patching the old code to make it
	21	work, the PCMCIA code has been streamlined, updated and possibly
	22	improved.
	23
	24	This code now only contains code required for the Card Services.
	25	All we do here is set the card up enough so that the real ibmtr.c
	26	driver can find it and work with it properly.
	27
	28	i.e. We set up the io port, irq, mmio memory and shared ram
	29	memory. This enables ibmtr_probe in ibmtr.c to find the card and
	30	configure it as though it was a normal ISA and/or PnP card.
	31
	32	CHANGES
	33
	34	v2.2.5 April 1999 Mike Phillips (phillim@amtrak.com)
	35	Obscure bug fix, required changed to ibmtr.c not ibmtr_cs.c
	36
	37	v2.2.7 May 1999 Mike Phillips (phillim@amtrak.com)
	38	Updated to version 2.2.7 to match the first version of the kernel
	39	that the modification to ibmtr.c were incorporated into.
	40
	41	v2.2.17 July 2000 Burt Silverman (burts@us.ibm.com)
	42	Address translation feature of PCMCIA controller is usable so
	43	memory windows can be placed in High memory (meaning above
	44	0xFFFFF.)
	45
	46	======================================================================*/
	47
	48	#include <linux/kernel.h>
	49	#include <linux/init.h>
	50	#include <linux/ptrace.h>
	51	#include <linux/slab.h>
	52	#include <linux/string.h>
	53	#include <linux/timer.h>
	54	#include <linux/module.h>
	55	#include <linux/ethtool.h>
	56	#include <linux/netdevice.h>
	57	#include <linux/trdevice.h>
	58	#include <linux/ibmtr.h>
	59
1da177e4 LT	60	#include <pcmcia/cs_types.h>
	61	#include <pcmcia/cs.h>
	62	#include <pcmcia/cistpl.h>
	63	#include <pcmcia/ds.h>
	64
	65	#include <asm/uaccess.h>
	66	#include <asm/io.h>
	67	#include <asm/system.h>
	68
	69	#define PCMCIA
	70	#include "../tokenring/ibmtr.c"
	71
	72	#ifdef PCMCIA_DEBUG
	73	static int pc_debug = PCMCIA_DEBUG;
	74	module_param(pc_debug, int, 0);
	75	#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
	76	static char *version =
	77	"ibmtr_cs.c 1.10 1996/01/06 05:19:00 (Steve Kipisz)\n"
	78	" 2.2.7 1999/05/03 12:00:00 (Mike Phillips)\n"
	79	" 2.4.2 2001/30/28 Midnight (Burt Silverman)\n";
	80	#else
	81	#define DEBUG(n, args...)
	82	#endif
	83
	84	/====================================================================/
	85
	86	/* Parameters that can be set with 'insmod' */
	87
	88	/* MMIO base address */
	89	static u_long mmiobase = 0xce000;
	90
	91	/* SRAM base address */
	92	static u_long srambase = 0xd0000;
	93
	94	/* SRAM size 8,16,32,64 */
	95	static u_long sramsize = 64;
	96
	97	/* Ringspeed 4,16 */
	98	static int ringspeed = 16;
	99
	100	module_param(mmiobase, ulong, 0);
	101	module_param(srambase, ulong, 0);
	102	module_param(sramsize, ulong, 0);
	103	module_param(ringspeed, int, 0);
	104	MODULE_LICENSE("GPL");
	105
	106	/====================================================================/
	107
15b99ac1	108	static int ibmtr_config(struct pcmcia_device *link);
1da177e4	109	static void ibmtr_hw_setup(struct net_device *dev, u_int mmiobase);
fba395ee	110	static void ibmtr_release(struct pcmcia_device *link);
cc3b4866	111	static void ibmtr_detach(struct pcmcia_device *p_dev);
1da177e4	112
1da177e4 LT	113	/====================================================================/
	114
	115	typedef struct ibmtr_dev_t {
fd238232	116	struct pcmcia_device *p_dev;
1da177e4 LT	117	struct net_device *dev;
	118	dev_node_t node;
	119	window_handle_t sram_win_handle;
	120	struct tok_info *ti;
	121	} ibmtr_dev_t;
	122
	123	static void netdev_get_drvinfo(struct net_device *dev,
	124	struct ethtool_drvinfo *info)
	125	{
	126	strcpy(info->driver, "ibmtr_cs");
	127	}
	128
7282d491	129	static const struct ethtool_ops netdev_ethtool_ops = {
1da177e4 LT	130	.get_drvinfo = netdev_get_drvinfo,
	131	};
	132
	133	/*======================================================================
	134
	135	ibmtr_attach() creates an "instance" of the driver, allocating
	136	local data structures for one device. The device is registered
	137	with Card Services.
	138
	139	======================================================================*/
	140
abf0437b	141	static int __devinit ibmtr_attach(struct pcmcia_device *link)
1da177e4 LT	142	{
1da177e4 LT	143	ibmtr_dev_t *info;
1da177e4	144	struct net_device *dev;
fba395ee	145
1da177e4 LT	146	DEBUG(0, "ibmtr_attach()\n");
	147
	148	/* Create new token-ring device */
	149	info = kmalloc(sizeof(*info), GFP_KERNEL);
f8cfa618	150	if (!info) return -ENOMEM;
1da177e4 LT	151	memset(info,0,sizeof(*info));
1da177e4 LT	152	dev = alloc_trdev(sizeof(struct tok_info));
f8cfa618 DB	153	if (!dev) {
	154	kfree(info);
	155	return -ENOMEM;
	156	}
1da177e4	157
fba395ee	158	info->p_dev = link;
1da177e4 LT	159	link->priv = info;
	160	info->ti = netdev_priv(dev);
	161
	162	link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	163	link->io.NumPorts1 = 4;
	164	link->io.IOAddrLines = 16;
	165	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE \| IRQ_HANDLE_PRESENT;
	166	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
	167	link->irq.Handler = &tok_interrupt;
	168	link->conf.Attributes = CONF_ENABLE_IRQ;
1da177e4 LT	169	link->conf.IntType = INT_MEMORY_AND_IO;
	170	link->conf.Present = PRESENT_OPTION;
	171
	172	link->irq.Instance = info->dev = dev;
1da177e4	173
fd238232	174	SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
1da177e4	175
15b99ac1	176	return ibmtr_config(link);
1da177e4 LT	177	} /* ibmtr_attach */
	178
	179	/*======================================================================
	180
	181	This deletes a driver "instance". The device is de-registered
	182	with Card Services. If it has been released, all local data
	183	structures are freed. Otherwise, the structures will be freed
	184	when the device is released.
	185
	186	======================================================================*/
	187
fba395ee	188	static void ibmtr_detach(struct pcmcia_device *link)
1da177e4 LT	189	{
1da177e4 LT	190	struct ibmtr_dev_t *info = link->priv;
b4635811	191	struct net_device *dev = info->dev;
1da177e4 LT	192
	193	DEBUG(0, "ibmtr_detach(0x%p)\n", link);
	194
fd238232	195	if (link->dev_node)
1da177e4 LT	196	unregister_netdev(dev);
	197
	198	{
	199	struct tok_info *ti = netdev_priv(dev);
	200	del_timer_sync(&(ti->tr_timer));
	201	}
e2d40963 DB	202
e2d40963 DB	203	ibmtr_release(link);
1da177e4	204
1da177e4	205	free_netdev(dev);
b4635811	206	kfree(info);
1da177e4 LT	207	} /* ibmtr_detach */
	208
	209	/*======================================================================
	210
	211	ibmtr_config() is scheduled to run after a CARD_INSERTION event
	212	is received, to configure the PCMCIA socket, and to make the
	213	token-ring device available to the system.
	214
	215	======================================================================*/
	216
	217	#define CS_CHECK(fn, ret) \
	218	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
	219
abf0437b	220	static int __devinit ibmtr_config(struct pcmcia_device *link)
1da177e4	221	{
1da177e4 LT	222	ibmtr_dev_t *info = link->priv;
	223	struct net_device *dev = info->dev;
	224	struct tok_info *ti = netdev_priv(dev);
1da177e4 LT	225	win_req_t req;
	226	memreq_t mem;
	227	int i, last_ret, last_fn;
1da177e4 LT	228
	229	DEBUG(0, "ibmtr_config(0x%p)\n", link);
	230
1da177e4 LT	231	link->conf.ConfigIndex = 0x61;
	232
	233	/* Determine if this is PRIMARY or ALTERNATE. */
	234
	235	/* Try PRIMARY card at 0xA20-0xA23 */
	236	link->io.BasePort1 = 0xA20;
fba395ee	237	i = pcmcia_request_io(link, &link->io);
1da177e4 LT	238	if (i != CS_SUCCESS) {
	239	/* Couldn't get 0xA20-0xA23. Try ALTERNATE at 0xA24-0xA27. */
	240	link->io.BasePort1 = 0xA24;
fba395ee	241	CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
1da177e4 LT	242	}
	243	dev->base_addr = link->io.BasePort1;
	244
fba395ee	245	CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
1da177e4 LT	246	dev->irq = link->irq.AssignedIRQ;
	247	ti->irq = link->irq.AssignedIRQ;
	248	ti->global_int_enable=GLOBAL_INT_ENABLE+((dev->irq==9) ? 2 : dev->irq);
	249
	250	/* Allocate the MMIO memory window */
	251	req.Attributes = WIN_DATA_WIDTH_16\|WIN_MEMORY_TYPE_CM\|WIN_ENABLE;
	252	req.Attributes \|= WIN_USE_WAIT;
	253	req.Base = 0;
	254	req.Size = 0x2000;
	255	req.AccessSpeed = 250;
fba395ee	256	CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &link->win));
1da177e4 LT	257
	258	mem.CardOffset = mmiobase;
	259	mem.Page = 0;
	260	CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem));
	261	ti->mmio = ioremap(req.Base, req.Size);
	262
	263	/* Allocate the SRAM memory window */
	264	req.Attributes = WIN_DATA_WIDTH_16\|WIN_MEMORY_TYPE_CM\|WIN_ENABLE;
	265	req.Attributes \|= WIN_USE_WAIT;
	266	req.Base = 0;
	267	req.Size = sramsize * 1024;
	268	req.AccessSpeed = 250;
fba395ee	269	CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &info->sram_win_handle));
1da177e4 LT	270
	271	mem.CardOffset = srambase;
	272	mem.Page = 0;
	273	CS_CHECK(MapMemPage, pcmcia_map_mem_page(info->sram_win_handle, &mem));
	274
	275	ti->sram_base = mem.CardOffset >> 12;
	276	ti->sram_virt = ioremap(req.Base, req.Size);
	277	ti->sram_phys = req.Base;
	278
fba395ee	279	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
1da177e4 LT	280
	281	/* Set up the Token-Ring Controller Configuration Register and
	282	turn on the card. Check the "Local Area Network Credit Card
	283	Adapters Technical Reference" SC30-3585 for this info. */
	284	ibmtr_hw_setup(dev, mmiobase);
	285
fd238232	286	link->dev_node = &info->node;
fba395ee	287	SET_NETDEV_DEV(dev, &handle_to_dev(link));
1da177e4 LT	288
	289	i = ibmtr_probe_card(dev);
	290	if (i != 0) {
	291	printk(KERN_NOTICE "ibmtr_cs: register_netdev() failed\n");
fd238232	292	link->dev_node = NULL;
1da177e4 LT	293	goto failed;
	294	}
	295
	296	strcpy(info->node.dev_name, dev->name);
	297
	298	printk(KERN_INFO "%s: port %#3lx, irq %d,",
	299	dev->name, dev->base_addr, dev->irq);
	300	printk (" mmio %#5lx,", (u_long)ti->mmio);
	301	printk (" sram %#5lx,", (u_long)ti->sram_base << 12);
	302	printk ("\n" KERN_INFO " hwaddr=");
	303	for (i = 0; i < TR_ALEN; i++)
	304	printk("%02X", dev->dev_addr[i]);
	305	printk("\n");
15b99ac1	306	return 0;
1da177e4 LT	307
1da177e4 LT	308	cs_failed:
fba395ee	309	cs_error(link, last_fn, last_ret);
1da177e4 LT	310	failed:
1da177e4 LT	311	ibmtr_release(link);
15b99ac1	312	return -ENODEV;
1da177e4 LT	313	} /* ibmtr_config */
	314
	315	/*======================================================================
	316
	317	After a card is removed, ibmtr_release() will unregister the net
	318	device, and release the PCMCIA configuration. If the device is
	319	still open, this will be postponed until it is closed.
	320
	321	======================================================================*/
	322
fba395ee	323	static void ibmtr_release(struct pcmcia_device *link)
1da177e4	324	{
5f2a71fc DB	325	ibmtr_dev_t *info = link->priv;
5f2a71fc DB	326	struct net_device *dev = info->dev;
1da177e4	327
5f2a71fc	328	DEBUG(0, "ibmtr_release(0x%p)\n", link);
1da177e4	329
5f2a71fc DB	330	if (link->win) {
	331	struct tok_info *ti = netdev_priv(dev);
	332	iounmap(ti->mmio);
	333	pcmcia_release_window(info->sram_win_handle);
	334	}
fba395ee	335	pcmcia_disable_device(link);
1da177e4 LT	336	}
1da177e4 LT	337
fba395ee	338	static int ibmtr_suspend(struct pcmcia_device *link)
98e4c28b	339	{
98e4c28b DB	340	ibmtr_dev_t *info = link->priv;
	341	struct net_device *dev = info->dev;
	342
e2d40963	343	if (link->open)
8661bb5b	344	netif_device_detach(dev);
98e4c28b DB	345
	346	return 0;
	347	}
	348
fba395ee	349	static int ibmtr_resume(struct pcmcia_device *link)
98e4c28b	350	{
98e4c28b DB	351	ibmtr_dev_t *info = link->priv;
	352	struct net_device *dev = info->dev;
	353
e2d40963	354	if (link->open) {
8661bb5b DB	355	ibmtr_probe(dev); /* really? */
	356	netif_device_attach(dev);
	357	}
98e4c28b DB	358
	359	return 0;
	360	}
	361
	362
1da177e4 LT	363	/====================================================================/
	364
	365	static void ibmtr_hw_setup(struct net_device *dev, u_int mmiobase)
	366	{
	367	int i;
	368
	369	/* Bizarre IBM behavior, there are 16 bits of information we
	370	need to set, but the card only allows us to send 4 bits at a
	371	time. For each byte sent to base_addr, bits 7-4 tell the
	372	card which part of the 16 bits we are setting, bits 3-0 contain
	373	the actual information */
	374
	375	/* First nibble provides 4 bits of mmio */
	376	i = (mmiobase >> 16) & 0x0F;
	377	outb(i, dev->base_addr);
	378
	379	/* Second nibble provides 3 bits of mmio */
	380	i = 0x10 \| ((mmiobase >> 12) & 0x0E);
	381	outb(i, dev->base_addr);
	382
	383	/* Third nibble, hard-coded values */
	384	i = 0x26;
	385	outb(i, dev->base_addr);
	386
	387	/* Fourth nibble sets shared ram page size */
	388
	389	/* 8 = 00, 16 = 01, 32 = 10, 64 = 11 */
	390	i = (sramsize >> 4) & 0x07;
	391	i = ((i == 4) ? 3 : i) << 2;
	392	i \|= 0x30;
	393
	394	if (ringspeed == 16)
	395	i \|= 2;
	396	if (dev->base_addr == 0xA24)
	397	i \|= 1;
	398	outb(i, dev->base_addr);
	399
	400	/* 0x40 will release the card for use */
	401	outb(0x40, dev->base_addr);
	402
	403	return;
	404	}
	405
469bf2b9 DB	406	static struct pcmcia_device_id ibmtr_ids[] = {
	407	PCMCIA_DEVICE_PROD_ID12("3Com", "TokenLink Velocity PC Card", 0x41240e5b, 0x82c3734e),
	408	PCMCIA_DEVICE_PROD_ID12("IBM", "TOKEN RING", 0xb569a6e5, 0xbf8eed47),
	409	PCMCIA_DEVICE_NULL,
	410	};
	411	MODULE_DEVICE_TABLE(pcmcia, ibmtr_ids);
	412
1da177e4 LT	413	static struct pcmcia_driver ibmtr_cs_driver = {
	414	.owner = THIS_MODULE,
	415	.drv = {
	416	.name = "ibmtr_cs",
	417	},
f8cfa618	418	.probe = ibmtr_attach,
cc3b4866	419	.remove = ibmtr_detach,
469bf2b9	420	.id_table = ibmtr_ids,
98e4c28b DB	421	.suspend = ibmtr_suspend,
98e4c28b DB	422	.resume = ibmtr_resume,
1da177e4 LT	423	};
	424
	425	static int __init init_ibmtr_cs(void)
	426	{
	427	return pcmcia_register_driver(&ibmtr_cs_driver);
	428	}
	429
	430	static void __exit exit_ibmtr_cs(void)
	431	{
	432	pcmcia_unregister_driver(&ibmtr_cs_driver);
1da177e4 LT	433	}
	434
	435	module_init(init_ibmtr_cs);
	436	module_exit(exit_ibmtr_cs);