[deliverable/linux.git] / drivers / net / tokenring / proteon.c

/*
 *  proteon.c: A network driver for Proteon ISA token ring cards.
 *
 *  Based on tmspci written 1999 by Adam Fritzler
 *  
 *  Written 2003 by Jochen Friedrich
 *
 *  This software may be used and distributed according to the terms
 *  of the GNU General Public License, incorporated herein by reference.
 *
 *  This driver module supports the following cards:
 *	- Proteon 1392, 1392+
 *
 *  Maintainer(s):
 *    AF        Adam Fritzler           mid@auk.cx
 *    JF	Jochen Friedrich	jochen@scram.de
 *
 *  Modification History:
 *	02-Jan-03	JF	Created
 *
 */
static const char version[] = "proteon.c: v1.00 02/01/2003 by Jochen Friedrich\n";

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/trdevice.h>
#include <linux/platform_device.h>

#include <asm/system.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pci.h>
#include <asm/dma.h>

#include "tms380tr.h"

#define PROTEON_IO_EXTENT 32

/* A zero-terminated list of I/O addresses to be probed. */
static unsigned int portlist[] __initdata = {
	0x0A20, 0x0E20, 0x1A20, 0x1E20, 0x2A20, 0x2E20, 0x3A20, 0x3E20,// Prot.
	0x4A20, 0x4E20, 0x5A20, 0x5E20, 0x6A20, 0x6E20, 0x7A20, 0x7E20,// Prot.
	0x8A20, 0x8E20, 0x9A20, 0x9E20, 0xAA20, 0xAE20, 0xBA20, 0xBE20,// Prot.
	0xCA20, 0xCE20, 0xDA20, 0xDE20, 0xEA20, 0xEE20, 0xFA20, 0xFE20,// Prot.
	0
};

/* A zero-terminated list of IRQs to be probed. */
static unsigned short irqlist[] = {
	7, 6, 5, 4, 3, 12, 11, 10, 9,
	0
};

/* A zero-terminated list of DMAs to be probed. */
static int dmalist[] __initdata = {
	5, 6, 7,
	0
};

static char cardname[] = "Proteon 1392\0";
static u64 dma_mask = ISA_MAX_ADDRESS;
static int proteon_open(struct net_device *dev);
static void proteon_read_eeprom(struct net_device *dev);
static unsigned short proteon_setnselout_pins(struct net_device *dev);

static unsigned short proteon_sifreadb(struct net_device *dev, unsigned short reg)
{
	return inb(dev->base_addr + reg);
}

static unsigned short proteon_sifreadw(struct net_device *dev, unsigned short reg)
{
	return inw(dev->base_addr + reg);
}

static void proteon_sifwriteb(struct net_device *dev, unsigned short val, unsigned short reg)
{
	outb(val, dev->base_addr + reg);
}

static void proteon_sifwritew(struct net_device *dev, unsigned short val, unsigned short reg)
{
	outw(val, dev->base_addr + reg);
}

static int __init proteon_probe1(struct net_device *dev, int ioaddr)
{
	unsigned char chk1, chk2;
	int i;

	if (!request_region(ioaddr, PROTEON_IO_EXTENT, cardname))
		return -ENODEV;
		

	chk1 = inb(ioaddr + 0x1f);      /* Get Proteon ID reg 1 */
	if (chk1 != 0x1f) 
		goto nodev;

	chk1 = inb(ioaddr + 0x1e) & 0x07;       /* Get Proteon ID reg 0 */
	for (i=0; i<16; i++) {
		chk2 = inb(ioaddr + 0x1e) & 0x07;
		if (((chk1 + 1) & 0x07) != chk2)
			goto nodev;
		chk1 = chk2;
	}

	dev->base_addr = ioaddr;
	return (0);
nodev:
	release_region(ioaddr, PROTEON_IO_EXTENT); 
	return -ENODEV;
}

static int __init setup_card(struct net_device *dev, struct device *pdev)
{
	struct net_local *tp;
        static int versionprinted;
	const unsigned *port;
	int j,err = 0;

	if (!dev)
		return -ENOMEM;

	SET_MODULE_OWNER(dev);
	if (dev->base_addr)	/* probe specific location */
		err = proteon_probe1(dev, dev->base_addr);
	else {
		for (port = portlist; *port; port++) {
			err = proteon_probe1(dev, *port);
			if (!err)
				break;
		}
	}
	if (err)
		goto out5;

	/* At this point we have found a valid card. */

	if (versionprinted++ == 0)
		printk(KERN_DEBUG "%s", version);

	err = -EIO;
	pdev->dma_mask = &dma_mask;
	if (tmsdev_init(dev, pdev))
		goto out4;

	dev->base_addr &= ~3; 
		
	proteon_read_eeprom(dev);

	printk(KERN_DEBUG "proteon.c:    Ring Station Address: ");
	printk("%2.2x", dev->dev_addr[0]);
	for (j = 1; j < 6; j++)
		printk(":%2.2x", dev->dev_addr[j]);
	printk("\n");
		
	tp = netdev_priv(dev);
	tp->setnselout = proteon_setnselout_pins;
		
	tp->sifreadb = proteon_sifreadb;
	tp->sifreadw = proteon_sifreadw;
	tp->sifwriteb = proteon_sifwriteb;
	tp->sifwritew = proteon_sifwritew;
	
	memcpy(tp->ProductID, cardname, PROD_ID_SIZE + 1);

	tp->tmspriv = NULL;

	dev->open = proteon_open;
	dev->stop = tms380tr_close;

	if (dev->irq == 0)
	{
		for(j = 0; irqlist[j] != 0; j++)
		{
			dev->irq = irqlist[j];
			if (!request_irq(dev->irq, tms380tr_interrupt, 0, 
				cardname, dev))
				break;
                }
		
                if(irqlist[j] == 0)
                {
                        printk(KERN_INFO "proteon.c: AutoSelect no IRQ available\n");
			goto out3;
		}
	}
	else
	{
		for(j = 0; irqlist[j] != 0; j++)
			if (irqlist[j] == dev->irq)
				break;
		if (irqlist[j] == 0)
		{
			printk(KERN_INFO "proteon.c: Illegal IRQ %d specified\n",
				dev->irq);
			goto out3;
		}
		if (request_irq(dev->irq, tms380tr_interrupt, 0, 
			cardname, dev))
		{
                        printk(KERN_INFO "proteon.c: Selected IRQ %d not available\n",
				dev->irq);
			goto out3;
		}
	}

	if (dev->dma == 0)
	{
		for(j = 0; dmalist[j] != 0; j++)
		{
			dev->dma = dmalist[j];
                        if (!request_dma(dev->dma, cardname))
				break;
		}

		if(dmalist[j] == 0)
		{
			printk(KERN_INFO "proteon.c: AutoSelect no DMA available\n");
			goto out2;
		}
	}
	else
	{
		for(j = 0; dmalist[j] != 0; j++)
			if (dmalist[j] == dev->dma)
				break;
		if (dmalist[j] == 0)
		{
                        printk(KERN_INFO "proteon.c: Illegal DMA %d specified\n",
				dev->dma);
			goto out2;
		}
		if (request_dma(dev->dma, cardname))
		{
                        printk(KERN_INFO "proteon.c: Selected DMA %d not available\n",
				dev->dma);
			goto out2;
		}
	}

	err = register_netdev(dev);
	if (err)
		goto out;

	printk(KERN_DEBUG "%s:    IO: %#4lx  IRQ: %d  DMA: %d\n",
	       dev->name, dev->base_addr, dev->irq, dev->dma);

	return 0;
out:
	free_dma(dev->dma);
out2:
	free_irq(dev->irq, dev);
out3:
	tmsdev_term(dev);
out4:
	release_region(dev->base_addr, PROTEON_IO_EXTENT);
out5:
	return err;
}

/*
 * Reads MAC address from adapter RAM, which should've read it from
 * the onboard ROM.  
 *
 * Calling this on a board that does not support it can be a very
 * dangerous thing.  The Madge board, for instance, will lock your
 * machine hard when this is called.  Luckily, its supported in a
 * separate driver.  --ASF
 */
static void proteon_read_eeprom(struct net_device *dev)
{
	int i;
	
	/* Address: 0000:0000 */
	proteon_sifwritew(dev, 0, SIFADX);
	proteon_sifwritew(dev, 0, SIFADR);	
	
	/* Read six byte MAC address data */
	dev->addr_len = 6;
	for(i = 0; i < 6; i++)
		dev->dev_addr[i] = proteon_sifreadw(dev, SIFINC) >> 8;
}

unsigned short proteon_setnselout_pins(struct net_device *dev)
{
	return 0;
}

static int proteon_open(struct net_device *dev)
{  
	struct net_local *tp = netdev_priv(dev);
	unsigned short val = 0;
	int i;

	/* Proteon reset sequence */
	outb(0, dev->base_addr + 0x11);
	mdelay(20);
	outb(0x04, dev->base_addr + 0x11);
	mdelay(20);
	outb(0, dev->base_addr + 0x11);
	mdelay(100);

	/* set control/status reg */
	val = inb(dev->base_addr + 0x11);
	val |= 0x78;
	val &= 0xf9;
	if(tp->DataRate == SPEED_4)
		val |= 0x20;
	else
		val &= ~0x20;

	outb(val, dev->base_addr + 0x11);
	outb(0xff, dev->base_addr + 0x12);
	for(i = 0; irqlist[i] != 0; i++)
	{
		if(irqlist[i] == dev->irq)
			break;
	}
	val = i;
	i = (7 - dev->dma) << 4;
	val |= i;
	outb(val, dev->base_addr + 0x13);

	return tms380tr_open(dev);
}

#define ISATR_MAX_ADAPTERS 3

static int io[ISATR_MAX_ADAPTERS];
static int irq[ISATR_MAX_ADAPTERS];
static int dma[ISATR_MAX_ADAPTERS];

MODULE_LICENSE("GPL");

module_param_array(io, int, NULL, 0);
module_param_array(irq, int, NULL, 0);
module_param_array(dma, int, NULL, 0);

static struct platform_device *proteon_dev[ISATR_MAX_ADAPTERS];

static struct device_driver proteon_driver = {
	.name		= "proteon",
	.bus		= &platform_bus_type,
};

static int __init proteon_init(void)
{
	struct net_device *dev;
	struct platform_device *pdev;
	int i, num = 0, err = 0;

	err = driver_register(&proteon_driver);
	if (err)
		return err;

	for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) {
		dev = alloc_trdev(sizeof(struct net_local));
		if (!dev)
			continue;

		dev->base_addr = io[i];
		dev->irq = irq[i];
		dev->dma = dma[i];
		pdev = platform_device_register_simple("proteon",
			i, NULL, 0);
		err = setup_card(dev, &pdev->dev);
		if (!err) {
			proteon_dev[i] = pdev;
			dev_set_drvdata(&pdev->dev, dev);
			++num;
		} else {
			platform_device_unregister(pdev);
			free_netdev(dev);
		}
	}

	printk(KERN_NOTICE "proteon.c: %d cards found.\n", num);
	/* Probe for cards. */
	if (num == 0) {
		printk(KERN_NOTICE "proteon.c: No cards found.\n");
		return (-ENODEV);
	}
	return (0);
}

static void __exit proteon_cleanup(void)
{
	struct net_device *dev;
	int i;

	for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) {
		struct platform_device *pdev = proteon_dev[i];
		
		if (!pdev)
			continue;
		dev = dev_get_drvdata(&pdev->dev);
		unregister_netdev(dev);
		release_region(dev->base_addr, PROTEON_IO_EXTENT);
		free_irq(dev->irq, dev);
		free_dma(dev->dma);
		tmsdev_term(dev);
		free_netdev(dev);
		dev_set_drvdata(&pdev->dev, NULL);
		platform_device_unregister(pdev);
	}
	driver_unregister(&proteon_driver);
}

module_init(proteon_init);
module_exit(proteon_cleanup);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* proteon.c: A network driver for Proteon ISA token ring cards.
	3	*
	4	* Based on tmspci written 1999 by Adam Fritzler
	5	*
	6	* Written 2003 by Jochen Friedrich
	7	*
	8	* This software may be used and distributed according to the terms
	9	* of the GNU General Public License, incorporated herein by reference.
	10	*
	11	* This driver module supports the following cards:
	12	* - Proteon 1392, 1392+
	13	*
	14	* Maintainer(s):
	15	* AF Adam Fritzler mid@auk.cx
	16	* JF Jochen Friedrich jochen@scram.de
	17	*
	18	* Modification History:
	19	* 02-Jan-03 JF Created
	20	*
	21	*/
	22	static const char version[] = "proteon.c: v1.00 02/01/2003 by Jochen Friedrich\n";
	23
	24	#include <linux/module.h>
	25	#include <linux/kernel.h>
	26	#include <linux/delay.h>
	27	#include <linux/errno.h>
	28	#include <linux/pci.h>
	29	#include <linux/init.h>
	30	#include <linux/netdevice.h>
	31	#include <linux/trdevice.h>
d052d1be	32	#include <linux/platform_device.h>
1da177e4 LT	33
	34	#include <asm/system.h>
	35	#include <asm/io.h>
	36	#include <asm/irq.h>
	37	#include <asm/pci.h>
	38	#include <asm/dma.h>
	39
	40	#include "tms380tr.h"
	41
	42	#define PROTEON_IO_EXTENT 32
	43
	44	/* A zero-terminated list of I/O addresses to be probed. */
	45	static unsigned int portlist[] __initdata = {
	46	0x0A20, 0x0E20, 0x1A20, 0x1E20, 0x2A20, 0x2E20, 0x3A20, 0x3E20,// Prot.
	47	0x4A20, 0x4E20, 0x5A20, 0x5E20, 0x6A20, 0x6E20, 0x7A20, 0x7E20,// Prot.
	48	0x8A20, 0x8E20, 0x9A20, 0x9E20, 0xAA20, 0xAE20, 0xBA20, 0xBE20,// Prot.
	49	0xCA20, 0xCE20, 0xDA20, 0xDE20, 0xEA20, 0xEE20, 0xFA20, 0xFE20,// Prot.
	50	0
	51	};
	52
	53	/* A zero-terminated list of IRQs to be probed. */
	54	static unsigned short irqlist[] = {
	55	7, 6, 5, 4, 3, 12, 11, 10, 9,
	56	0
	57	};
	58
	59	/* A zero-terminated list of DMAs to be probed. */
	60	static int dmalist[] __initdata = {
	61	5, 6, 7,
	62	0
	63	};
	64
	65	static char cardname[] = "Proteon 1392\0";
504ff16c	66	static u64 dma_mask = ISA_MAX_ADDRESS;
1da177e4 LT	67	static int proteon_open(struct net_device *dev);
	68	static void proteon_read_eeprom(struct net_device *dev);
	69	static unsigned short proteon_setnselout_pins(struct net_device *dev);
	70
	71	static unsigned short proteon_sifreadb(struct net_device *dev, unsigned short reg)
	72	{
	73	return inb(dev->base_addr + reg);
	74	}
	75
	76	static unsigned short proteon_sifreadw(struct net_device *dev, unsigned short reg)
	77	{
	78	return inw(dev->base_addr + reg);
	79	}
	80
	81	static void proteon_sifwriteb(struct net_device *dev, unsigned short val, unsigned short reg)
	82	{
	83	outb(val, dev->base_addr + reg);
	84	}
	85
	86	static void proteon_sifwritew(struct net_device *dev, unsigned short val, unsigned short reg)
	87	{
	88	outw(val, dev->base_addr + reg);
	89	}
	90
	91	static int __init proteon_probe1(struct net_device *dev, int ioaddr)
	92	{
	93	unsigned char chk1, chk2;
	94	int i;
	95
	96	if (!request_region(ioaddr, PROTEON_IO_EXTENT, cardname))
	97	return -ENODEV;
	98
	99
	100	chk1 = inb(ioaddr + 0x1f); /* Get Proteon ID reg 1 */
	101	if (chk1 != 0x1f)
	102	goto nodev;
	103
	104	chk1 = inb(ioaddr + 0x1e) & 0x07; /* Get Proteon ID reg 0 */
	105	for (i=0; i<16; i++) {
	106	chk2 = inb(ioaddr + 0x1e) & 0x07;
	107	if (((chk1 + 1) & 0x07) != chk2)
	108	goto nodev;
	109	chk1 = chk2;
	110	}
	111
	112	dev->base_addr = ioaddr;
	113	return (0);
	114	nodev:
	115	release_region(ioaddr, PROTEON_IO_EXTENT);
	116	return -ENODEV;
	117	}
	118
504ff16c	119	static int __init setup_card(struct net_device dev, struct device pdev)
1da177e4 LT	120	{
	121	struct net_local *tp;
	122	static int versionprinted;
	123	const unsigned *port;
	124	int j,err = 0;
	125
	126	if (!dev)
	127	return -ENOMEM;
	128
	129	SET_MODULE_OWNER(dev);
	130	if (dev->base_addr) /* probe specific location */
	131	err = proteon_probe1(dev, dev->base_addr);
	132	else {
	133	for (port = portlist; *port; port++) {
	134	err = proteon_probe1(dev, *port);
	135	if (!err)
	136	break;
	137	}
	138	}
	139	if (err)
504ff16c	140	goto out5;
1da177e4 LT	141
	142	/* At this point we have found a valid card. */
	143
	144	if (versionprinted++ == 0)
	145	printk(KERN_DEBUG "%s", version);
	146
	147	err = -EIO;
504ff16c	148	pdev->dma_mask = &dma_mask;
84c3ea01	149	if (tmsdev_init(dev, pdev))
1da177e4 LT	150	goto out4;
	151
	152	dev->base_addr &= ~3;
	153
	154	proteon_read_eeprom(dev);
	155
504ff16c	156	printk(KERN_DEBUG "proteon.c: Ring Station Address: ");
1da177e4 LT	157	printk("%2.2x", dev->dev_addr[0]);
	158	for (j = 1; j < 6; j++)
	159	printk(":%2.2x", dev->dev_addr[j]);
	160	printk("\n");
	161
	162	tp = netdev_priv(dev);
	163	tp->setnselout = proteon_setnselout_pins;
	164
	165	tp->sifreadb = proteon_sifreadb;
	166	tp->sifreadw = proteon_sifreadw;
	167	tp->sifwriteb = proteon_sifwriteb;
	168	tp->sifwritew = proteon_sifwritew;
	169
	170	memcpy(tp->ProductID, cardname, PROD_ID_SIZE + 1);
	171
	172	tp->tmspriv = NULL;
	173
	174	dev->open = proteon_open;
	175	dev->stop = tms380tr_close;
	176
	177	if (dev->irq == 0)
	178	{
	179	for(j = 0; irqlist[j] != 0; j++)
	180	{
	181	dev->irq = irqlist[j];
	182	if (!request_irq(dev->irq, tms380tr_interrupt, 0,
	183	cardname, dev))
	184	break;
	185	}
	186
	187	if(irqlist[j] == 0)
	188	{
504ff16c	189	printk(KERN_INFO "proteon.c: AutoSelect no IRQ available\n");
1da177e4 LT	190	goto out3;
	191	}
	192	}
	193	else
	194	{
	195	for(j = 0; irqlist[j] != 0; j++)
	196	if (irqlist[j] == dev->irq)
	197	break;
	198	if (irqlist[j] == 0)
	199	{
504ff16c JF	200	printk(KERN_INFO "proteon.c: Illegal IRQ %d specified\n",
504ff16c JF	201	dev->irq);
1da177e4 LT	202	goto out3;
	203	}
	204	if (request_irq(dev->irq, tms380tr_interrupt, 0,
	205	cardname, dev))
	206	{
504ff16c JF	207	printk(KERN_INFO "proteon.c: Selected IRQ %d not available\n",
504ff16c JF	208	dev->irq);
1da177e4 LT	209	goto out3;
	210	}
	211	}
	212
	213	if (dev->dma == 0)
	214	{
	215	for(j = 0; dmalist[j] != 0; j++)
	216	{
	217	dev->dma = dmalist[j];
	218	if (!request_dma(dev->dma, cardname))
	219	break;
	220	}
	221
	222	if(dmalist[j] == 0)
	223	{
504ff16c	224	printk(KERN_INFO "proteon.c: AutoSelect no DMA available\n");
1da177e4 LT	225	goto out2;
	226	}
	227	}
	228	else
	229	{
	230	for(j = 0; dmalist[j] != 0; j++)
	231	if (dmalist[j] == dev->dma)
	232	break;
	233	if (dmalist[j] == 0)
	234	{
504ff16c JF	235	printk(KERN_INFO "proteon.c: Illegal DMA %d specified\n",
504ff16c JF	236	dev->dma);
1da177e4 LT	237	goto out2;
	238	}
	239	if (request_dma(dev->dma, cardname))
	240	{
504ff16c JF	241	printk(KERN_INFO "proteon.c: Selected DMA %d not available\n",
504ff16c JF	242	dev->dma);
1da177e4 LT	243	goto out2;
	244	}
	245	}
	246
1da177e4 LT	247	err = register_netdev(dev);
	248	if (err)
	249	goto out;
	250
504ff16c JF	251	printk(KERN_DEBUG "%s: IO: %#4lx IRQ: %d DMA: %d\n",
	252	dev->name, dev->base_addr, dev->irq, dev->dma);
	253
1da177e4 LT	254	return 0;
	255	out:
	256	free_dma(dev->dma);
	257	out2:
	258	free_irq(dev->irq, dev);
	259	out3:
	260	tmsdev_term(dev);
	261	out4:
504ff16c JF	262	release_region(dev->base_addr, PROTEON_IO_EXTENT);
504ff16c JF	263	out5:
1da177e4 LT	264	return err;
	265	}
	266
1da177e4 LT	267	/*
	268	* Reads MAC address from adapter RAM, which should've read it from
	269	* the onboard ROM.
	270	*
	271	* Calling this on a board that does not support it can be a very
	272	* dangerous thing. The Madge board, for instance, will lock your
	273	* machine hard when this is called. Luckily, its supported in a
	274	* separate driver. --ASF
	275	*/
	276	static void proteon_read_eeprom(struct net_device *dev)
	277	{
	278	int i;
	279
	280	/* Address: 0000:0000 */
	281	proteon_sifwritew(dev, 0, SIFADX);
	282	proteon_sifwritew(dev, 0, SIFADR);
	283
	284	/* Read six byte MAC address data */
	285	dev->addr_len = 6;
	286	for(i = 0; i < 6; i++)
	287	dev->dev_addr[i] = proteon_sifreadw(dev, SIFINC) >> 8;
	288	}
	289
	290	unsigned short proteon_setnselout_pins(struct net_device *dev)
	291	{
	292	return 0;
	293	}
	294
	295	static int proteon_open(struct net_device *dev)
	296	{
	297	struct net_local *tp = netdev_priv(dev);
	298	unsigned short val = 0;
	299	int i;
	300
	301	/* Proteon reset sequence */
	302	outb(0, dev->base_addr + 0x11);
	303	mdelay(20);
	304	outb(0x04, dev->base_addr + 0x11);
	305	mdelay(20);
	306	outb(0, dev->base_addr + 0x11);
	307	mdelay(100);
	308
	309	/* set control/status reg */
	310	val = inb(dev->base_addr + 0x11);
	311	val \|= 0x78;
	312	val &= 0xf9;
	313	if(tp->DataRate == SPEED_4)
	314	val \|= 0x20;
	315	else
	316	val &= ~0x20;
	317
	318	outb(val, dev->base_addr + 0x11);
	319	outb(0xff, dev->base_addr + 0x12);
	320	for(i = 0; irqlist[i] != 0; i++)
	321	{
	322	if(irqlist[i] == dev->irq)
	323	break;
	324	}
	325	val = i;
	326	i = (7 - dev->dma) << 4;
	327	val \|= i;
	328	outb(val, dev->base_addr + 0x13);
	329
	330	return tms380tr_open(dev);
331	}
332
1da177e4 LT	333	#define ISATR_MAX_ADAPTERS 3
	334
	335	static int io[ISATR_MAX_ADAPTERS];
	336	static int irq[ISATR_MAX_ADAPTERS];
	337	static int dma[ISATR_MAX_ADAPTERS];
	338
	339	MODULE_LICENSE("GPL");
	340
	341	module_param_array(io, int, NULL, 0);
	342	module_param_array(irq, int, NULL, 0);
	343	module_param_array(dma, int, NULL, 0);
	344
504ff16c JF	345	static struct platform_device *proteon_dev[ISATR_MAX_ADAPTERS];
	346
	347	static struct device_driver proteon_driver = {
	348	.name = "proteon",
	349	.bus = &platform_bus_type,
	350	};
1da177e4	351
504ff16c	352	static int __init proteon_init(void)
1da177e4 LT	353	{
1da177e4 LT	354	struct net_device *dev;
504ff16c	355	struct platform_device *pdev;
1da177e4 LT	356	int i, num = 0, err = 0;
1da177e4 LT	357
504ff16c JF	358	err = driver_register(&proteon_driver);
	359	if (err)
	360	return err;
	361
1da177e4 LT	362	for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) {
	363	dev = alloc_trdev(sizeof(struct net_local));
	364	if (!dev)
	365	continue;
	366
	367	dev->base_addr = io[i];
	368	dev->irq = irq[i];
	369	dev->dma = dma[i];
504ff16c JF	370	pdev = platform_device_register_simple("proteon",
	371	i, NULL, 0);
	372	err = setup_card(dev, &pdev->dev);
1da177e4	373	if (!err) {
504ff16c JF	374	proteon_dev[i] = pdev;
504ff16c JF	375	dev_set_drvdata(&pdev->dev, dev);
1da177e4 LT	376	++num;
1da177e4 LT	377	} else {
504ff16c	378	platform_device_unregister(pdev);
1da177e4 LT	379	free_netdev(dev);
	380	}
	381	}
	382
	383	printk(KERN_NOTICE "proteon.c: %d cards found.\n", num);
	384	/* Probe for cards. */
	385	if (num == 0) {
	386	printk(KERN_NOTICE "proteon.c: No cards found.\n");
	387	return (-ENODEV);
	388	}
	389	return (0);
	390	}
	391
504ff16c	392	static void __exit proteon_cleanup(void)
1da177e4	393	{
504ff16c	394	struct net_device *dev;
1da177e4 LT	395	int i;
	396
	397	for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) {
504ff16c	398	struct platform_device *pdev = proteon_dev[i];
1da177e4	399
504ff16c	400	if (!pdev)
1da177e4	401	continue;
504ff16c	402	dev = dev_get_drvdata(&pdev->dev);
1da177e4 LT	403	unregister_netdev(dev);
	404	release_region(dev->base_addr, PROTEON_IO_EXTENT);
	405	free_irq(dev->irq, dev);
	406	free_dma(dev->dma);
	407	tmsdev_term(dev);
	408	free_netdev(dev);
504ff16c JF	409	dev_set_drvdata(&pdev->dev, NULL);
504ff16c JF	410	platform_device_unregister(pdev);
1da177e4	411	}
504ff16c	412	driver_unregister(&proteon_driver);
1da177e4	413	}
1da177e4	414
504ff16c JF	415	module_init(proteon_init);
504ff16c JF	416	module_exit(proteon_cleanup);