/* * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org> * Portions (C) Copyright 2002 Red Hat Inc <alan@redhat.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * For the avoidance of doubt the "preferred form" of this code is one which * is in an open non patent encumbered format. Where cryptographic key signing * forms part of the process of creating an executable the information * including keys needed to generate an equivalently functional executable * are deemed to be part of the source code. */ #include <linux/types.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/pci.h> #include <linux/ide.h> #include <linux/init.h> #define DRV_NAME "ide_pci_generic" static int ide_generic_all; /* Set to claim all devices */ module_param_named(all_generic_ide, ide_generic_all, bool, 0444); MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers."); #define IDE_HFLAGS_UMC (IDE_HFLAG_NO_DMA | IDE_HFLAG_FORCE_LEGACY_IRQS) #define DECLARE_GENERIC_PCI_DEV(extra_flags) \ { \ .name = DRV_NAME, \ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \ extra_flags, \ .swdma_mask = ATA_SWDMA2, \ .mwdma_mask = ATA_MWDMA2, \ .udma_mask = ATA_UDMA6, \ } static const struct ide_port_info generic_chipsets[] __devinitdata = { /* 0: Unknown */ DECLARE_GENERIC_PCI_DEV(0), { /* 1: NS87410 */ .name = DRV_NAME, .enablebits = { {0x43, 0x08, 0x08}, {0x47, 0x08, 0x08} }, .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, .swdma_mask = ATA_SWDMA2, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA6, }, /* 2: SAMURAI / HT6565 / HINT_IDE */ DECLARE_GENERIC_PCI_DEV(0), /* 3: UM8673F / UM8886A / UM8886BF */ DECLARE_GENERIC_PCI_DEV(IDE_HFLAGS_UMC), /* 4: VIA_IDE / OPTI621V / Piccolo010{2,3,5} */ DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_AUTODMA), { /* 5: VIA8237SATA */ .name = DRV_NAME, .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | IDE_HFLAG_OFF_BOARD, .swdma_mask = ATA_SWDMA2, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA6, }, { /* 6: Revolution */ .name = DRV_NAME, .host_flags = IDE_HFLAG_CLEAR_SIMPLEX | IDE_HFLAG_TRUST_BIOS_FOR_DMA | IDE_HFLAG_OFF_BOARD, .swdma_mask = ATA_SWDMA2, .mwdma_mask = ATA_MWDMA2, .udma_mask = ATA_UDMA6, } }; /** * generic_init_one - called when a PIIX is found * @dev: the generic device * @id: the matching pci id * * Called when the PCI registration layer (or the IDE initialization) * finds a device matching our IDE device tables. */ static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id) { const struct ide_port_info *d = &generic_chipsets[id->driver_data]; int ret = -ENODEV; /* Don't use the generic entry unless instructed to do so */ if (id->driver_data == 0 && ide_generic_all == 0) goto out; switch (dev->vendor) { case PCI_VENDOR_ID_UMC: if (dev->device == PCI_DEVICE_ID_UMC_UM8886A && !(PCI_FUNC(dev->devfn) & 1)) goto out; /* UM8886A/BF pair */ break; case PCI_VENDOR_ID_OPTI: if (dev->device == PCI_DEVICE_ID_OPTI_82C558 && !(PCI_FUNC(dev->devfn) & 1)) goto out; break; case PCI_VENDOR_ID_JMICRON: if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && PCI_FUNC(dev->devfn) != 1) goto out; break; case PCI_VENDOR_ID_NS: if (dev->device == PCI_DEVICE_ID_NS_87410 && (dev->class >> 8) != PCI_CLASS_STORAGE_IDE) goto out; break; } if (dev->vendor != PCI_VENDOR_ID_JMICRON) { u16 command; pci_read_config_word(dev, PCI_COMMAND, &command); if (!(command & PCI_COMMAND_IO)) { printk(KERN_INFO "%s %s: skipping disabled " "controller\n", d->name, pci_name(dev)); goto out; } } ret = ide_pci_init_one(dev, d, NULL); out: return ret; } static const struct pci_device_id generic_pci_tbl[] = { { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87410), 1 }, { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), 2 }, { PCI_VDEVICE(HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), 2 }, { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 3 }, { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 3 }, { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 3 }, { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 2 }, { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 4 }, { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 4 }, #ifdef CONFIG_BLK_DEV_IDE_SATA { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 5 }, #endif { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO), 4 }, { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 4 }, { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 4 }, { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 6 }, /* * Must come last. If you add entries adjust * this table and generic_chipsets[] appropriately. */ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 }, { 0, }, }; MODULE_DEVICE_TABLE(pci, generic_pci_tbl); static struct pci_driver driver = { .name = "PCI_IDE", .id_table = generic_pci_tbl, .probe = generic_init_one, .remove = ide_pci_remove, .suspend = ide_pci_suspend, .resume = ide_pci_resume, }; static int __init generic_ide_init(void) { return ide_pci_register_driver(&driver); } static void __exit generic_ide_exit(void) { pci_unregister_driver(&driver); } module_init(generic_ide_init); module_exit(generic_ide_exit); MODULE_AUTHOR("Andre Hedrick"); MODULE_DESCRIPTION("PCI driver module for generic PCI IDE"); MODULE_LICENSE("GPL");