1/* 2 * Minimalist driver for a generic PCI-to-EISA bridge. 3 * 4 * (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org> 5 * 6 * This code is released under the GPL version 2. 7 * 8 * Ivan Kokshaysky <ink@jurassic.park.msu.ru> : 9 * Generalisation from i82375 to PCI_CLASS_BRIDGE_EISA. 10 */ 11 12#include <linux/kernel.h> 13#include <linux/device.h> 14#include <linux/eisa.h> 15#include <linux/pci.h> 16#include <linux/module.h> 17#include <linux/init.h> 18 19/* There is only *one* pci_eisa device per machine, right ? */ 20static struct eisa_root_device pci_eisa_root; 21 22static int __init pci_eisa_init(struct pci_dev *pdev, 23 const struct pci_device_id *ent) 24{ 25 int rc; 26 27 if ((rc = pci_enable_device (pdev))) { 28 printk (KERN_ERR "pci_eisa : Could not enable device %s\n", 29 pci_name(pdev)); 30 return rc; 31 } 32 33 pci_eisa_root.dev = &pdev->dev; 34 pci_eisa_root.res = pdev->bus->resource[0]; 35 pci_eisa_root.bus_base_addr = pdev->bus->resource[0]->start; 36 pci_eisa_root.slots = EISA_MAX_SLOTS; 37 pci_eisa_root.dma_mask = pdev->dma_mask; 38 dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root); 39 40 if (eisa_root_register (&pci_eisa_root)) { 41 printk (KERN_ERR "pci_eisa : Could not register EISA root\n"); 42 return -1; 43 } 44 45 return 0; 46} 47 48static struct pci_device_id pci_eisa_pci_tbl[] = { 49 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 50 PCI_CLASS_BRIDGE_EISA << 8, 0xffff00, 0 }, 51 { 0, } 52}; 53 54static struct pci_driver pci_eisa_driver = { 55 .name = "pci_eisa", 56 .id_table = pci_eisa_pci_tbl, 57 .probe = pci_eisa_init, 58}; 59 60static int __init pci_eisa_init_module (void) 61{ 62 return pci_register_driver (&pci_eisa_driver); 63} 64 65device_initcall(pci_eisa_init_module); 66MODULE_DEVICE_TABLE(pci, pci_eisa_pci_tbl); 67