/* * linux/drivers/ide/pci/generic.c Version 0.11 December 30, 2002 * * Copyright (C) 2001-2002 Andre Hedrick * Portions (C) Copyright 2002 Red Hat Inc * * 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 #include #include #include #include #include #include #include #include #include #include #include #include static int ide_generic_all; /* Set to claim all devices */ /* * the module_param_named() was added for the modular case * the __setup() is left as compatibility for existing setups */ #ifndef MODULE static int __init ide_generic_all_on(char *unused) { ide_generic_all = 1; printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n"); return 1; } __setup("all-generic-ide", ide_generic_all_on); #endif 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."); static void __devinit init_hwif_generic (ide_hwif_t *hwif) { switch(hwif->pci_dev->device) { case PCI_DEVICE_ID_UMC_UM8673F: case PCI_DEVICE_ID_UMC_UM8886A: case PCI_DEVICE_ID_UMC_UM8886BF: hwif->irq = hwif->channel ? 15 : 14; break; default: break; } if (!(hwif->dma_base)) return; hwif->ultra_mask = 0x7f; hwif->mwdma_mask = 0x07; hwif->swdma_mask = 0x07; } #define DECLARE_GENERIC_PCI_DEV(name_str, dma_setting) \ { \ .name = name_str, \ .init_hwif = init_hwif_generic, \ .autodma = dma_setting, \ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \ IDE_HFLAG_BOOTABLE, \ } static ide_pci_device_t generic_chipsets[] __devinitdata = { /* 0 */ DECLARE_GENERIC_PCI_DEV("Unknown", AUTODMA), { /* 1 */ .name = "NS87410", .init_hwif = init_hwif_generic, .autodma = AUTODMA, .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}}, .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | IDE_HFLAG_BOOTABLE, }, /* 2 */ DECLARE_GENERIC_PCI_DEV("SAMURAI", AUTODMA), /* 3 */ DECLARE_GENERIC_PCI_DEV("HT6565", AUTODMA), /* 4 */ DECLARE_GENERIC_PCI_DEV("UM8673F", NODMA), /* 5 */ DECLARE_GENERIC_PCI_DEV("UM8886A", NODMA), /* 6 */ DECLARE_GENERIC_PCI_DEV("UM8886BF", NODMA), /* 7 */ DECLARE_GENERIC_PCI_DEV("HINT_IDE", AUTODMA), /* 8 */ DECLARE_GENERIC_PCI_DEV("VIA_IDE", NOAUTODMA), /* 9 */ DECLARE_GENERIC_PCI_DEV("OPTI621V", NOAUTODMA), { /* 10 */ .name = "VIA8237SATA", .init_hwif = init_hwif_generic, .autodma = AUTODMA, .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | IDE_HFLAG_OFF_BOARD, }, /* 11 */ DECLARE_GENERIC_PCI_DEV("Piccolo0102", NOAUTODMA), /* 12 */ DECLARE_GENERIC_PCI_DEV("Piccolo0103", NOAUTODMA), /* 13 */ DECLARE_GENERIC_PCI_DEV("Piccolo0105", NOAUTODMA), { /* 14 */ .name = "Revolution", .init_hwif = init_hwif_generic, .autodma = AUTODMA, .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | IDE_HFLAG_OFF_BOARD, } }; /** * 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) { ide_pci_device_t *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 "Skipping disabled %s IDE " "controller.\n", d->name); goto out; } } ret = ide_setup_pci_device(dev, d); 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), 3 }, { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 4 }, { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 5 }, { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 6 }, { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 7 }, { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 8 }, { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 9 }, #ifdef CONFIG_BLK_DEV_IDE_SATA { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 10 }, #endif { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO), 11 }, { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 12 }, { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 13 }, { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 14 }, /* * 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, }; static int __init generic_ide_init(void) { return ide_pci_register_driver(&driver); } module_init(generic_ide_init); MODULE_AUTHOR("Andre Hedrick"); MODULE_DESCRIPTION("PCI driver module for generic PCI IDE"); MODULE_LICENSE("GPL");