drivers/net/arcnet/com20020-pci.c - linux - Git at Google

 /*
  * Linux ARCnet driver - COM20020 PCI support
  * Contemporary Controls PCI20 and SOHARD SH-ARC PCI
  *
  * Written 1994-1999 by Avery Pennarun,
  *    based on an ISA version by David Woodhouse.
  * Written 1999-2000 by Martin Mares <mj@ucw.cz>.
  * Derived from skeleton.c by Donald Becker.
  *
  * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
  *  for sponsoring the further development of this driver.
  *
  * **********************
  *
  * The original copyright of skeleton.c was as follows:
  *
  * skeleton.c Written 1993 by Donald Becker.
  * Copyright 1993 United States Government as represented by the
  * Director, National Security Agency.  This software may only be used
  * and distributed according to the terms of the GNU General Public License as
  * modified by SRC, incorporated herein by reference.
  *
  * **********************
  *
  * For more details, see drivers/net/arcnet.c
  *
  * **********************
  */

 #define pr_fmt(fmt) "arcnet:" KBUILD_MODNAME ": " fmt

 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/ioport.h>
 #include <linux/errno.h>
 #include <linux/netdevice.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
 #include <linux/list.h>
 #include <linux/io.h>
 #include <linux/leds.h>

 #include "arcdevice.h"
 #include "com20020.h"

 /* Module parameters */

 static int node;
 static char device[9];		/* use eg. device="arc1" to change name */
 static int timeout = 3;
 static int backplane;
 static int clockp;
 static int clockm;

 module_param(node, int, 0);
 module_param_string(device, device, sizeof(device), 0);
 module_param(timeout, int, 0);
 module_param(backplane, int, 0);
 module_param(clockp, int, 0);
 module_param(clockm, int, 0);
 MODULE_LICENSE("GPL");

 static void led_tx_set(struct led_classdev *led_cdev,
 			     enum led_brightness value)
 {
 	struct com20020_dev *card;
 	struct com20020_priv *priv;
 	struct com20020_pci_card_info *ci;

 	card = container_of(led_cdev, struct com20020_dev, tx_led);

 	priv = card->pci_priv;
 	ci = priv->ci;

 	outb(!!value, priv->misc + ci->leds[card->index].green);
 }

 static void led_recon_set(struct led_classdev *led_cdev,
 			     enum led_brightness value)
 {
 	struct com20020_dev *card;
 	struct com20020_priv *priv;
 	struct com20020_pci_card_info *ci;

 	card = container_of(led_cdev, struct com20020_dev, recon_led);

 	priv = card->pci_priv;
 	ci = priv->ci;

 	outb(!!value, priv->misc + ci->leds[card->index].red);
 }

 static ssize_t backplane_mode_show(struct device *dev,
 				   struct device_attribute *attr,
 				   char *buf)
 {
 	struct net_device *net_dev = to_net_dev(dev);
 	struct arcnet_local *lp = netdev_priv(net_dev);

 	return sprintf(buf, "%s\n", lp->backplane ? "true" : "false");
 }
 static DEVICE_ATTR_RO(backplane_mode);

 static struct attribute *com20020_state_attrs[] = {
 	&dev_attr_backplane_mode.attr,
 	NULL,
 };

 static const struct attribute_group com20020_state_group = {
 	.name = NULL,
 	.attrs = com20020_state_attrs,
 };

 static void com20020pci_remove(struct pci_dev *pdev);

 static int com20020pci_probe(struct pci_dev *pdev,
 			     const struct pci_device_id *id)
 {
 	struct com20020_pci_card_info *ci;
 	struct com20020_pci_channel_map *mm;
 	struct net_device *dev;
 	struct arcnet_local *lp;
 	struct com20020_priv *priv;
 	int i, ioaddr, ret;
 	struct resource *r;

 	ret = 0;

 	if (pci_enable_device(pdev))
 		return -EIO;

 	priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
 			    GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;

 	ci = (struct com20020_pci_card_info *)id->driver_data;
 	if (!ci)
 		return -EINVAL;

 	priv->ci = ci;
 	mm = &ci->misc_map;

 	pci_set_drvdata(pdev, priv);

 	INIT_LIST_HEAD(&priv->list_dev);

 	if (mm->size) {
 		ioaddr = pci_resource_start(pdev, mm->bar) + mm->offset;
 		r = devm_request_region(&pdev->dev, ioaddr, mm->size,
 					"com20020-pci");
 		if (!r) {
 			pr_err("IO region %xh-%xh already allocated.\n",
 			       ioaddr, ioaddr + mm->size - 1);
 			return -EBUSY;
 		}
 		priv->misc = ioaddr;
 	}

 	for (i = 0; i < ci->devcount; i++) {
 		struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
 		struct com20020_dev *card;
 		int dev_id_mask = 0xf;

 		dev = alloc_arcdev(device);
 		if (!dev) {
 			ret = -ENOMEM;
 			break;
 		}
 		dev->dev_port = i;

 		dev->netdev_ops = &com20020_netdev_ops;

 		lp = netdev_priv(dev);

 		arc_printk(D_NORMAL, dev, "%s Controls\n", ci->name);
 		ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;

 		r = devm_request_region(&pdev->dev, ioaddr, cm->size,
 					"com20020-pci");
 		if (!r) {
 			pr_err("IO region %xh-%xh already allocated\n",
 			       ioaddr, ioaddr + cm->size - 1);
 			ret = -EBUSY;
 			goto err_free_arcdev;
 		}

 		/* Dummy access after Reset
 		 * ARCNET controller needs
 		 * this access to detect bustype
 		 */
 		arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
 		arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT);

 		SET_NETDEV_DEV(dev, &pdev->dev);
 		dev->base_addr = ioaddr;
 		arcnet_set_addr(dev, node);
 		dev->sysfs_groups[0] = &com20020_state_group;
 		dev->irq = pdev->irq;
 		lp->card_name = "PCI COM20020";
 		lp->card_flags = ci->flags;
 		lp->backplane = backplane;
 		lp->clockp = clockp & 7;
 		lp->clockm = clockm & 3;
 		lp->timeout = timeout;
 		lp->hw.owner = THIS_MODULE;

 		lp->backplane = (inb(priv->misc) >> (2 + i)) & 0x1;

 		if (!strncmp(ci->name, "EAE PLX-PCI FB2", 15))
 			lp->backplane = 1;

 		/* Get the dev_id from the PLX rotary coder */
 		if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15))
 			dev_id_mask = 0x3;
 		dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask;

 		snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);

 		if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
 			pr_err("IO address %Xh is empty!\n", ioaddr);
 			ret = -EIO;
 			goto err_free_arcdev;
 		}
 		if (com20020_check(dev)) {
 			ret = -EIO;
 			goto err_free_arcdev;
 		}

 		card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
 				    GFP_KERNEL);
 		if (!card) {
 			ret = -ENOMEM;
 			goto err_free_arcdev;
 		}

 		card->index = i;
 		card->pci_priv = priv;
 		card->tx_led.brightness_set = led_tx_set;
 		card->tx_led.default_trigger = devm_kasprintf(&pdev->dev,
 						GFP_KERNEL, "arc%d-%d-tx",
 						dev->dev_id, i);
 		card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
 						"pci:green:tx:%d-%d",
 						dev->dev_id, i);

 		card->tx_led.dev = &dev->dev;
 		card->recon_led.brightness_set = led_recon_set;
 		card->recon_led.default_trigger = devm_kasprintf(&pdev->dev,
 						GFP_KERNEL, "arc%d-%d-recon",
 						dev->dev_id, i);
 		card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
 						"pci:red:recon:%d-%d",
 						dev->dev_id, i);
 		card->recon_led.dev = &dev->dev;
 		card->dev = dev;

 		ret = devm_led_classdev_register(&pdev->dev, &card->tx_led);
 		if (ret)
 			goto err_free_arcdev;

 		ret = devm_led_classdev_register(&pdev->dev, &card->recon_led);
 		if (ret)
 			goto err_free_arcdev;

 		dev_set_drvdata(&dev->dev, card);

 		ret = com20020_found(dev, IRQF_SHARED);
 		if (ret)
 			goto err_free_arcdev;

 		devm_arcnet_led_init(dev, dev->dev_id, i);

 		list_add(&card->list, &priv->list_dev);
 		continue;

 err_free_arcdev:
 		free_arcdev(dev);
 		break;
 	}
 	if (ret)
 		com20020pci_remove(pdev);
 	return ret;
 }

 static void com20020pci_remove(struct pci_dev *pdev)
 {
 	struct com20020_dev *card, *tmpcard;
 	struct com20020_priv *priv;

 	priv = pci_get_drvdata(pdev);

 	list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
 		struct net_device *dev = card->dev;

 		unregister_netdev(dev);
 		free_irq(dev->irq, dev);
 		free_arcdev(dev);
 	}
 }

 static struct com20020_pci_card_info card_info_10mbit = {
 	.name = "ARC-PCI",
 	.devcount = 1,
 	.chan_map_tbl = {
 		{
 			.bar = 2,
 			.offset = 0x00,
 			.size = 0x08,
 		},
 	},
 	.flags = ARC_CAN_10MBIT,
 };

 static struct com20020_pci_card_info card_info_5mbit = {
 	.name = "ARC-PCI",
 	.devcount = 1,
 	.chan_map_tbl = {
 		{
 			.bar = 2,
 			.offset = 0x00,
 			.size = 0x08,
 		},
 	},
 	.flags = ARC_IS_5MBIT,
 };

 static struct com20020_pci_card_info card_info_sohard = {
 	.name = "PLX-PCI",
 	.devcount = 1,
 	/* SOHARD needs PCI base addr 4 */
 	.chan_map_tbl = {
 		{
 			.bar = 4,
 			.offset = 0x00,
 			.size = 0x08
 		},
 	},
 	.flags = ARC_CAN_10MBIT,
 };

 static struct com20020_pci_card_info card_info_eae_arc1 = {
 	.name = "EAE PLX-PCI ARC1",
 	.devcount = 1,
 	.chan_map_tbl = {
 		{
 			.bar = 2,
 			.offset = 0x00,
 			.size = 0x08,
 		},
 	},
 	.misc_map = {
 		.bar = 2,
 		.offset = 0x10,
 		.size = 0x04,
 	},
 	.leds = {
 		{
 			.green = 0x0,
 			.red = 0x1,
 		},
 	},
 	.rotary = 0x0,
 	.flags = ARC_CAN_10MBIT,
 };

 static struct com20020_pci_card_info card_info_eae_ma1 = {
 	.name = "EAE PLX-PCI MA1",
 	.devcount = 2,
 	.chan_map_tbl = {
 		{
 			.bar = 2,
 			.offset = 0x00,
 			.size = 0x08,
 		}, {
 			.bar = 2,
 			.offset = 0x08,
 			.size = 0x08,
 		}
 	},
 	.misc_map = {
 		.bar = 2,
 		.offset = 0x10,
 		.size = 0x04,
 	},
 	.leds = {
 		{
 			.green = 0x0,
 			.red = 0x1,
 		}, {
 			.green = 0x2,
 			.red = 0x3,
 		},
 	},
 	.rotary = 0x0,
 	.flags = ARC_CAN_10MBIT,
 };

 static struct com20020_pci_card_info card_info_eae_fb2 = {
 	.name = "EAE PLX-PCI FB2",
 	.devcount = 1,
 	.chan_map_tbl = {
 		{
 			.bar = 2,
 			.offset = 0x00,
 			.size = 0x08,
 		},
 	},
 	.misc_map = {
 		.bar = 2,
 		.offset = 0x10,
 		.size = 0x04,
 	},
 	.leds = {
 		{
 			.green = 0x0,
 			.red = 0x1,
 		},
 	},
 	.rotary = 0x0,
 	.flags = ARC_CAN_10MBIT,
 };

 static const struct pci_device_id com20020pci_id_table[] = {
 	{
 		0x1571, 0xa001,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		0,
 	},
 	{
 		0x1571, 0xa002,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		0,
 	},
 	{
 		0x1571, 0xa003,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		0
 	},
 	{
 		0x1571, 0xa004,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		0,
 	},
 	{
 		0x1571, 0xa005,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		0
 	},
 	{
 		0x1571, 0xa006,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		0
 	},
 	{
 		0x1571, 0xa007,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		0
 	},
 	{
 		0x1571, 0xa008,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		0
 	},
 	{
 		0x1571, 0xa009,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_5mbit
 	},
 	{
 		0x1571, 0xa00a,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_5mbit
 	},
 	{
 		0x1571, 0xa00b,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_5mbit
 	},
 	{
 		0x1571, 0xa00c,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_5mbit
 	},
 	{
 		0x1571, 0xa00d,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_5mbit
 	},
 	{
 		0x1571, 0xa00e,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_5mbit
 	},
 	{
 		0x1571, 0xa201,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_10mbit
 	},
 	{
 		0x1571, 0xa202,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_10mbit
 	},
 	{
 		0x1571, 0xa203,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_10mbit
 	},
 	{
 		0x1571, 0xa204,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_10mbit
 	},
 	{
 		0x1571, 0xa205,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_10mbit
 	},
 	{
 		0x1571, 0xa206,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_10mbit
 	},
 	{
 		0x10B5, 0x9030,
 		0x10B5, 0x2978,
 		0, 0,
 		(kernel_ulong_t)&card_info_sohard
 	},
 	{
 		0x10B5, 0x9050,
 		0x10B5, 0x2273,
 		0, 0,
 		(kernel_ulong_t)&card_info_sohard
 	},
 	{
 		0x10B5, 0x9050,
 		0x10B5, 0x3263,
 		0, 0,
 		(kernel_ulong_t)&card_info_eae_arc1
 	},
 	{
 		0x10B5, 0x9050,
 		0x10B5, 0x3292,
 		0, 0,
 		(kernel_ulong_t)&card_info_eae_ma1
 	},
 	{
 		0x10B5, 0x9050,
 		0x10B5, 0x3294,
 		0, 0,
 		(kernel_ulong_t)&card_info_eae_fb2
 	},
 	{
 		0x14BA, 0x6000,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_10mbit
 	},
 	{
 		0x10B5, 0x2200,
 		PCI_ANY_ID, PCI_ANY_ID,
 		0, 0,
 		(kernel_ulong_t)&card_info_10mbit
 	},
 	{ 0, }
 };

 MODULE_DEVICE_TABLE(pci, com20020pci_id_table);

 static struct pci_driver com20020pci_driver = {
 	.name		= "com20020",
 	.id_table	= com20020pci_id_table,
 	.probe		= com20020pci_probe,
 	.remove		= com20020pci_remove,
 };

 static int __init com20020pci_init(void)
 {
 	if (BUGLVL(D_NORMAL))
 		pr_info("%s\n", "COM20020 PCI support");
 	return pci_register_driver(&com20020pci_driver);
 }

 static void __exit com20020pci_cleanup(void)
 {
 	pci_unregister_driver(&com20020pci_driver);
 }

 module_init(com20020pci_init)
 module_exit(com20020pci_cleanup)
	/*
	* Linux ARCnet driver - COM20020 PCI support
	* Contemporary Controls PCI20 and SOHARD SH-ARC PCI
	*
	* Written 1994-1999 by Avery Pennarun,
	* based on an ISA version by David Woodhouse.
	* Written 1999-2000 by Martin Mares <mj@ucw.cz>.
	* Derived from skeleton.c by Donald Becker.
	*
	* Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
	* for sponsoring the further development of this driver.
	*
	* **********************
	*
	* The original copyright of skeleton.c was as follows:
	*
	* skeleton.c Written 1993 by Donald Becker.
	* Copyright 1993 United States Government as represented by the
	* Director, National Security Agency. This software may only be used
	* and distributed according to the terms of the GNU General Public License as
	* modified by SRC, incorporated herein by reference.
	*
	* **********************
	*
	* For more details, see drivers/net/arcnet.c
	*
	* **********************
	*/

	#define pr_fmt(fmt) "arcnet:" KBUILD_MODNAME ": " fmt

	#include <linux/module.h>
	#include <linux/moduleparam.h>
	#include <linux/kernel.h>
	#include <linux/types.h>
	#include <linux/ioport.h>
	#include <linux/errno.h>
	#include <linux/netdevice.h>
	#include <linux/init.h>
	#include <linux/interrupt.h>
	#include <linux/pci.h>
	#include <linux/list.h>
	#include <linux/io.h>
	#include <linux/leds.h>

	#include "arcdevice.h"
	#include "com20020.h"

	/* Module parameters */

	static int node;
	static char device[9]; /* use eg. device="arc1" to change name */
	static int timeout = 3;
	static int backplane;
	static int clockp;
	static int clockm;

	module_param(node, int, 0);
	module_param_string(device, device, sizeof(device), 0);
	module_param(timeout, int, 0);
	module_param(backplane, int, 0);
	module_param(clockp, int, 0);
	module_param(clockm, int, 0);
	MODULE_LICENSE("GPL");

	static void led_tx_set(struct led_classdev *led_cdev,
	enum led_brightness value)
	{
	struct com20020_dev *card;
	struct com20020_priv *priv;
	struct com20020_pci_card_info *ci;

	card = container_of(led_cdev, struct com20020_dev, tx_led);

	priv = card->pci_priv;
	ci = priv->ci;

	outb(!!value, priv->misc + ci->leds[card->index].green);
	}

	static void led_recon_set(struct led_classdev *led_cdev,
	enum led_brightness value)
	{
	struct com20020_dev *card;
	struct com20020_priv *priv;
	struct com20020_pci_card_info *ci;

	card = container_of(led_cdev, struct com20020_dev, recon_led);

	priv = card->pci_priv;
	ci = priv->ci;

	outb(!!value, priv->misc + ci->leds[card->index].red);
	}

	static ssize_t backplane_mode_show(struct device *dev,
	struct device_attribute *attr,
	char *buf)
	{
	struct net_device *net_dev = to_net_dev(dev);
	struct arcnet_local *lp = netdev_priv(net_dev);

	return sprintf(buf, "%s\n", lp->backplane ? "true" : "false");
	}
	static DEVICE_ATTR_RO(backplane_mode);

	static struct attribute *com20020_state_attrs[] = {
	&dev_attr_backplane_mode.attr,
	NULL,
	};

	static const struct attribute_group com20020_state_group = {
	.name = NULL,
	.attrs = com20020_state_attrs,
	};

	static void com20020pci_remove(struct pci_dev *pdev);

	static int com20020pci_probe(struct pci_dev *pdev,
	const struct pci_device_id *id)
	{
	struct com20020_pci_card_info *ci;
	struct com20020_pci_channel_map *mm;
	struct net_device *dev;
	struct arcnet_local *lp;
	struct com20020_priv *priv;
	int i, ioaddr, ret;
	struct resource *r;

	ret = 0;

	if (pci_enable_device(pdev))
	return -EIO;

	priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
	GFP_KERNEL);
	if (!priv)
	return -ENOMEM;

	ci = (struct com20020_pci_card_info *)id->driver_data;
	if (!ci)
	return -EINVAL;

	priv->ci = ci;
	mm = &ci->misc_map;

	pci_set_drvdata(pdev, priv);

	INIT_LIST_HEAD(&priv->list_dev);

	if (mm->size) {
	ioaddr = pci_resource_start(pdev, mm->bar) + mm->offset;
	r = devm_request_region(&pdev->dev, ioaddr, mm->size,
	"com20020-pci");
	if (!r) {
	pr_err("IO region %xh-%xh already allocated.\n",
	ioaddr, ioaddr + mm->size - 1);
	return -EBUSY;
	}
	priv->misc = ioaddr;
	}

	for (i = 0; i < ci->devcount; i++) {
	struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
	struct com20020_dev *card;
	int dev_id_mask = 0xf;

	dev = alloc_arcdev(device);
	if (!dev) {
	ret = -ENOMEM;
	break;
	}
	dev->dev_port = i;

	dev->netdev_ops = &com20020_netdev_ops;

	lp = netdev_priv(dev);

	arc_printk(D_NORMAL, dev, "%s Controls\n", ci->name);
	ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;

	r = devm_request_region(&pdev->dev, ioaddr, cm->size,
	"com20020-pci");
	if (!r) {
	pr_err("IO region %xh-%xh already allocated\n",
	ioaddr, ioaddr + cm->size - 1);
	ret = -EBUSY;
	goto err_free_arcdev;
	}

	/* Dummy access after Reset
	* ARCNET controller needs
	* this access to detect bustype
	*/
	arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
	arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT);

	SET_NETDEV_DEV(dev, &pdev->dev);
	dev->base_addr = ioaddr;
	arcnet_set_addr(dev, node);
	dev->sysfs_groups[0] = &com20020_state_group;
	dev->irq = pdev->irq;
	lp->card_name = "PCI COM20020";
	lp->card_flags = ci->flags;
	lp->backplane = backplane;
	lp->clockp = clockp & 7;
	lp->clockm = clockm & 3;
	lp->timeout = timeout;
	lp->hw.owner = THIS_MODULE;

	lp->backplane = (inb(priv->misc) >> (2 + i)) & 0x1;

	if (!strncmp(ci->name, "EAE PLX-PCI FB2", 15))
	lp->backplane = 1;

	/* Get the dev_id from the PLX rotary coder */
	if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15))
	dev_id_mask = 0x3;
	dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask;

	snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);

	if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
	pr_err("IO address %Xh is empty!\n", ioaddr);
	ret = -EIO;
	goto err_free_arcdev;
	}
	if (com20020_check(dev)) {
	ret = -EIO;
	goto err_free_arcdev;
	}

	card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
	GFP_KERNEL);
	if (!card) {
	ret = -ENOMEM;
	goto err_free_arcdev;
	}

	card->index = i;
	card->pci_priv = priv;
	card->tx_led.brightness_set = led_tx_set;
	card->tx_led.default_trigger = devm_kasprintf(&pdev->dev,
	GFP_KERNEL, "arc%d-%d-tx",
	dev->dev_id, i);
	card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
	"pci:green:tx:%d-%d",
	dev->dev_id, i);

	card->tx_led.dev = &dev->dev;
	card->recon_led.brightness_set = led_recon_set;
	card->recon_led.default_trigger = devm_kasprintf(&pdev->dev,
	GFP_KERNEL, "arc%d-%d-recon",
	dev->dev_id, i);
	card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
	"pci:red:recon:%d-%d",
	dev->dev_id, i);
	card->recon_led.dev = &dev->dev;
	card->dev = dev;

	ret = devm_led_classdev_register(&pdev->dev, &card->tx_led);
	if (ret)
	goto err_free_arcdev;

	ret = devm_led_classdev_register(&pdev->dev, &card->recon_led);
	if (ret)
	goto err_free_arcdev;

	dev_set_drvdata(&dev->dev, card);

	ret = com20020_found(dev, IRQF_SHARED);
	if (ret)
	goto err_free_arcdev;

	devm_arcnet_led_init(dev, dev->dev_id, i);

	list_add(&card->list, &priv->list_dev);
	continue;

	err_free_arcdev:
	free_arcdev(dev);
	break;
	}
	if (ret)
	com20020pci_remove(pdev);
	return ret;
	}

	static void com20020pci_remove(struct pci_dev *pdev)
	{
	struct com20020_dev card, tmpcard;
	struct com20020_priv *priv;

	priv = pci_get_drvdata(pdev);

	list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
	struct net_device *dev = card->dev;

	unregister_netdev(dev);
	free_irq(dev->irq, dev);
	free_arcdev(dev);
	}
	}

	static struct com20020_pci_card_info card_info_10mbit = {
	.name = "ARC-PCI",
	.devcount = 1,
	.chan_map_tbl = {
	{
	.bar = 2,
	.offset = 0x00,
	.size = 0x08,
	},
	},
	.flags = ARC_CAN_10MBIT,
	};

	static struct com20020_pci_card_info card_info_5mbit = {
	.name = "ARC-PCI",
	.devcount = 1,
	.chan_map_tbl = {
	{
	.bar = 2,
	.offset = 0x00,
	.size = 0x08,
	},
	},
	.flags = ARC_IS_5MBIT,
	};

	static struct com20020_pci_card_info card_info_sohard = {
	.name = "PLX-PCI",
	.devcount = 1,
	/* SOHARD needs PCI base addr 4 */
	.chan_map_tbl = {
	{
	.bar = 4,
	.offset = 0x00,
	.size = 0x08
	},
	},
	.flags = ARC_CAN_10MBIT,
	};

	static struct com20020_pci_card_info card_info_eae_arc1 = {
	.name = "EAE PLX-PCI ARC1",
	.devcount = 1,
	.chan_map_tbl = {
	{
	.bar = 2,
	.offset = 0x00,
	.size = 0x08,
	},
	},
	.misc_map = {
	.bar = 2,
	.offset = 0x10,
	.size = 0x04,
	},
	.leds = {
	{
	.green = 0x0,
	.red = 0x1,
	},
	},
	.rotary = 0x0,
	.flags = ARC_CAN_10MBIT,
	};

	static struct com20020_pci_card_info card_info_eae_ma1 = {
	.name = "EAE PLX-PCI MA1",
	.devcount = 2,
	.chan_map_tbl = {
	{
	.bar = 2,
	.offset = 0x00,
	.size = 0x08,
	}, {
	.bar = 2,
	.offset = 0x08,
	.size = 0x08,
	}
	},
	.misc_map = {
	.bar = 2,
	.offset = 0x10,
	.size = 0x04,
	},
	.leds = {
	{
	.green = 0x0,
	.red = 0x1,
	}, {
	.green = 0x2,
	.red = 0x3,
	},
	},
	.rotary = 0x0,
	.flags = ARC_CAN_10MBIT,
	};

	static struct com20020_pci_card_info card_info_eae_fb2 = {
	.name = "EAE PLX-PCI FB2",
	.devcount = 1,
	.chan_map_tbl = {
	{
	.bar = 2,
	.offset = 0x00,
	.size = 0x08,
	},
	},
	.misc_map = {
	.bar = 2,
	.offset = 0x10,
	.size = 0x04,
	},
	.leds = {
	{
	.green = 0x0,
	.red = 0x1,
	},
	},
	.rotary = 0x0,
	.flags = ARC_CAN_10MBIT,
	};

	static const struct pci_device_id com20020pci_id_table[] = {
	{
	0x1571, 0xa001,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	0,
	},
	{
	0x1571, 0xa002,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	0,
	},
	{
	0x1571, 0xa003,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	0
	},
	{
	0x1571, 0xa004,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	0,
	},
	{
	0x1571, 0xa005,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	0
	},
	{
	0x1571, 0xa006,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	0
	},
	{
	0x1571, 0xa007,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	0
	},
	{
	0x1571, 0xa008,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	0
	},
	{
	0x1571, 0xa009,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_5mbit
	},
	{
	0x1571, 0xa00a,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_5mbit
	},
	{
	0x1571, 0xa00b,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_5mbit
	},
	{
	0x1571, 0xa00c,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_5mbit
	},
	{
	0x1571, 0xa00d,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_5mbit
	},
	{
	0x1571, 0xa00e,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_5mbit
	},
	{
	0x1571, 0xa201,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_10mbit
	},
	{
	0x1571, 0xa202,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_10mbit
	},
	{
	0x1571, 0xa203,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_10mbit
	},
	{
	0x1571, 0xa204,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_10mbit
	},
	{
	0x1571, 0xa205,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_10mbit
	},
	{
	0x1571, 0xa206,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_10mbit
	},
	{
	0x10B5, 0x9030,
	0x10B5, 0x2978,
	0, 0,
	(kernel_ulong_t)&card_info_sohard
	},
	{
	0x10B5, 0x9050,
	0x10B5, 0x2273,
	0, 0,
	(kernel_ulong_t)&card_info_sohard
	},
	{
	0x10B5, 0x9050,
	0x10B5, 0x3263,
	0, 0,
	(kernel_ulong_t)&card_info_eae_arc1
	},
	{
	0x10B5, 0x9050,
	0x10B5, 0x3292,
	0, 0,
	(kernel_ulong_t)&card_info_eae_ma1
	},
	{
	0x10B5, 0x9050,
	0x10B5, 0x3294,
	0, 0,
	(kernel_ulong_t)&card_info_eae_fb2
	},
	{
	0x14BA, 0x6000,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_10mbit
	},
	{
	0x10B5, 0x2200,
	PCI_ANY_ID, PCI_ANY_ID,
	0, 0,
	(kernel_ulong_t)&card_info_10mbit
	},
	{ 0, }
	};

	MODULE_DEVICE_TABLE(pci, com20020pci_id_table);

	static struct pci_driver com20020pci_driver = {
	.name = "com20020",
	.id_table = com20020pci_id_table,
	.probe = com20020pci_probe,
	.remove = com20020pci_remove,
	};

	static int __init com20020pci_init(void)
	{
	if (BUGLVL(D_NORMAL))
	pr_info("%s\n", "COM20020 PCI support");
	return pci_register_driver(&com20020pci_driver);
	}

	static void __exit com20020pci_cleanup(void)
	{
	pci_unregister_driver(&com20020pci_driver);
	}

	module_init(com20020pci_init)
	module_exit(com20020pci_cleanup)