/* * 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 * * ********************** */ #include <linux/module.h> #include <linux/moduleparam.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[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 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 = alloc_arcdev(device); if (!dev) return -ENOMEM; lp = dev->priv; pci_set_drvdata(pdev, dev); // SOHARD needs PCI base addr 4 if (pdev->vendor==0x10B5) { BUGMSG(D_NORMAL, "SOHARD\n"); ioaddr = pci_resource_start(pdev, 4); } else { BUGMSG(D_NORMAL, "Contemporary Controls\n"); ioaddr = pci_resource_start(pdev, 2); } if (!request_region(ioaddr, ARCNET_TOTAL_SIZE, "com20020-pci")) { BUGMSG(D_INIT, "IO region %xh-%xh already allocated.\n", ioaddr, ioaddr + ARCNET_TOTAL_SIZE - 1); err = -EBUSY; goto out_dev; } // Dummy access after Reset // ARCNET controller needs this access to detect bustype outb(0x00,ioaddr+1); inb(ioaddr+1); dev->base_addr = ioaddr; dev->irq = pdev->irq; dev->dev_addr[0] = node; lp->card_name = "PCI COM20020"; lp->card_flags = id->driver_data; lp->backplane = backplane; lp->clockp = clockp & 7; lp->clockm = clockm & 3; lp->timeout = timeout; lp->hw.owner = THIS_MODULE; if (ASTATUS() == 0xFF) { BUGMSG(D_NORMAL, "IO address %Xh was reported by PCI BIOS, " "but seems empty!\n", ioaddr); err = -EIO; goto out_port; } if (com20020_check(dev)) { err = -EIO; goto out_port; } if ((err = com20020_found(dev, SA_SHIRQ)) != 0) goto out_port; return 0; out_port: release_region(ioaddr, ARCNET_TOTAL_SIZE); out_dev: free_netdev(dev); return err; } static void __devexit com20020pci_remove(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); unregister_netdev(dev); free_irq(dev->irq, dev); release_region(dev->base_addr, ARCNET_TOTAL_SIZE); free_netdev(dev); } static 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, 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 }, { 0x10B5, 0x9050, 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); 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)