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 ? */ 20 static struct eisa_root_device pci_eisa_root; 21 22 static 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 dev_err(&pdev->dev, "Could not enable device\n"); 29 return rc; 30 } 31 32 pci_eisa_root.dev = &pdev->dev; 33 pci_eisa_root.res = pdev->bus->resource[0]; 34 pci_eisa_root.bus_base_addr = pdev->bus->resource[0]->start; 35 pci_eisa_root.slots = EISA_MAX_SLOTS; 36 pci_eisa_root.dma_mask = pdev->dma_mask; 37 dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root); 38 39 if (eisa_root_register (&pci_eisa_root)) { 40 dev_err(&pdev->dev, "Could not register EISA root\n"); 41 return -1; 42 } 43 44 return 0; 45 } 46 47 static struct pci_device_id pci_eisa_pci_tbl[] = { 48 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 49 PCI_CLASS_BRIDGE_EISA << 8, 0xffff00, 0 }, 50 { 0, } 51 }; 52 53 static struct pci_driver __refdata pci_eisa_driver = { 54 .name = "pci_eisa", 55 .id_table = pci_eisa_pci_tbl, 56 .probe = pci_eisa_init, 57 }; 58 59 static int __init pci_eisa_init_module (void) 60 { 61 return pci_register_driver (&pci_eisa_driver); 62 } 63 64 device_initcall(pci_eisa_init_module); 65 MODULE_DEVICE_TABLE(pci, pci_eisa_pci_tbl); 66