/* * Linux ARCnet driver - COM20020 PCI support (Contemporary Controls PCI20) *  * 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 * * ********************** */#include <linux/module.h>#include <linux/kernel.h>#include <linux/types.h>#include <linux/ioport.h>#include <linux/slab.h>#include <linux/errno.h>#include <linux/netdevice.h>#include <linux/init.h>#include <linux/pci.h>#include <linux/arcdevice.h>#include <linux/com20020.h>#include <asm/io.h>#define VERSION "arcnet: COM20020 PCI support\n"/* Module parameters */static int node;static char *device;		/* use eg. device="arc1" to change name */static int timeout = 3;static int backplane;static int clockp;static int clockm;MODULE_PARM(node, "i");MODULE_PARM(device, "s");MODULE_PARM(timeout, "i");MODULE_PARM(backplane, "i");MODULE_PARM(clockp, "i");MODULE_PARM(clockm, "i");static void com20020pci_open_close(struct net_device *dev, bool open){	if (open)		MOD_INC_USE_COUNT;	else		MOD_DEC_USE_COUNT;}static int __devinit com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *id){	struct net_device *dev;	struct arcnet_local *lp;	int ioaddr, err;	if (pci_enable_device(pdev))		return -EIO;	dev = dev_alloc(device ? : "arc%d", &err);	if (!dev)		return err;	lp = dev->priv = kmalloc(sizeof(struct arcnet_local), GFP_KERNEL);	if (!lp) {		err = -ENOMEM;		goto out_dev;	}	memset(lp, 0, sizeof(struct arcnet_local));	pci_set_drvdata(pdev, dev);	ioaddr = pci_resource_start(pdev, 2);	dev->base_addr = ioaddr;	dev->irq = pdev->irq;	dev->dev_addr[0] = node;	lp->card_name = pdev->name;	lp->card_flags = id->driver_data;	lp->backplane = backplane;	lp->clockp = clockp & 7;	lp->clockm = clockm & 3;	lp->timeout = timeout;	lp->hw.open_close_ll = com20020pci_open_close;	if (check_region(ioaddr, ARCNET_TOTAL_SIZE)) {		BUGMSG(D_INIT, "IO region %xh-%xh already allocated.\n",		       ioaddr, ioaddr + ARCNET_TOTAL_SIZE - 1);		err = -EBUSY;		goto out_priv;	}	if (ASTATUS() == 0xFF) {		BUGMSG(D_NORMAL, "IO address %Xh was reported by PCI BIOS, "		       "but seems empty!\n", ioaddr);		err = -EIO;		goto out_priv;	}	if (com20020_check(dev)) {		err = -EIO;		goto out_priv;	}	if ((err = com20020_found(dev, SA_SHIRQ)) != 0)	        goto out_priv;	return 0;out_priv:	kfree(dev->priv);out_dev:	kfree(dev);	return err;}static void __devexit com20020pci_remove(struct pci_dev *pdev){	com20020_remove(pci_get_drvdata(pdev));}static struct pci_device_id com20020pci_id_table[] __devinitdata = {	{ 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, ARC_IS_5MBIT },	{ 0x1571, 0xa00a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },	{ 0x1571, 0xa00b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },	{ 0x1571, 0xa00c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },	{ 0x1571, 0xa00d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },	{ 0x1571, 0xa201, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },	{ 0x1571, 0xa202, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },	{ 0x1571, 0xa203, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },	{ 0x1571, 0xa204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },	{ 0x1571, 0xa205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },	{ 0x1571, 0xa206, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_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:		__devexit_p(com20020pci_remove),};static int __init com20020pci_init(void){	BUGLVL(D_NORMAL) printk(VERSION);#ifndef MODULE	arcnet_init();#endif	return pci_module_init(&com20020pci_driver);}static void __exit com20020pci_cleanup(void){	pci_unregister_driver(&com20020pci_driver);}module_init(com20020pci_init)module_exit(com20020pci_cleanup)