/* * linux/drivers/ide/pci/generic.c Version 0.11 December 30, 2002 * * 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. */ #undef REALLY_SLOW_IO /* most systems can safely undef this */ #include <linux/types.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/delay.h> #include <linux/timer.h> #include <linux/mm.h> #include <linux/ioport.h> #include <linux/blkdev.h> #include <linux/hdreg.h> #include <linux/pci.h> #include <linux/ide.h> #include <linux/init.h> #include <asm/io.h> 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->atapi_dma = 1; hwif->ultra_mask = 0x7f; hwif->mwdma_mask = 0x07; hwif->swdma_mask = 0x07; if (!noautodma) hwif->autodma = 1; hwif->drives[0].autodma = hwif->autodma; hwif->drives[1].autodma = hwif->autodma; } #if 0 /* Logic to add back later on */ if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) { ide_pci_device_t *unknown = unknown_chipset; init_setup_unknown(dev, unknown); return 1; } return 0; #endif static ide_pci_device_t generic_chipsets[] __devinitdata = { { /* 0 */ .name = "Unknown", .init_hwif = init_hwif_generic, .channels = 2, .autodma = AUTODMA, .bootable = ON_BOARD, },{ /* 1 */ .name = "NS87410", .init_hwif = init_hwif_generic, .channels = 2, .autodma = AUTODMA, .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}}, .bootable = ON_BOARD, },{ /* 2 */ .name = "SAMURAI", .init_hwif = init_hwif_generic, .channels = 2, .autodma = AUTODMA, .bootable = ON_BOARD, },{ /* 3 */ .name = "HT6565", .init_hwif = init_hwif_generic, .channels = 2, .autodma = AUTODMA, .bootable = ON_BOARD, },{ /* 4 */ .name = "UM8673F", .init_hwif = init_hwif_generic, .channels = 2, .autodma = NODMA, .bootable = ON_BOARD, },{ /* 5 */ .name = "UM8886A", .init_hwif = init_hwif_generic, .channels = 2, .autodma = NODMA, .bootable = ON_BOARD, },{ /* 6 */ .name = "UM8886BF", .init_hwif = init_hwif_generic, .channels = 2, .autodma = NODMA, .bootable = ON_BOARD, },{ /* 7 */ .name = "HINT_IDE", .init_hwif = init_hwif_generic, .channels = 2, .autodma = AUTODMA, .bootable = ON_BOARD, },{ /* 8 */ .name = "VIA_IDE", .init_hwif = init_hwif_generic, .channels = 2, .autodma = NOAUTODMA, .bootable = ON_BOARD, },{ /* 9 */ .name = "OPTI621V", .init_hwif = init_hwif_generic, .channels = 2, .autodma = NOAUTODMA, .bootable = ON_BOARD, },{ /* 10 */ .name = "VIA8237SATA", .init_hwif = init_hwif_generic, .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, },{ /* 11 */ .name = "Piccolo0102", .init_hwif = init_hwif_generic, .channels = 2, .autodma = NOAUTODMA, .bootable = ON_BOARD, },{ /* 12 */ .name = "Piccolo0103", .init_hwif = init_hwif_generic, .channels = 2, .autodma = NOAUTODMA, .bootable = ON_BOARD, },{ /* 13 */ .name = "Piccolo0105", .init_hwif = init_hwif_generic, .channels = 2, .autodma = NOAUTODMA, .bootable = ON_BOARD, },{ /* 14 */ .name = "Revolution", .init_hwif = init_hwif_generic, .channels = 2, .autodma = AUTODMA, .bootable = 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]; u16 command; 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; if (dev->vendor == PCI_VENDOR_ID_UMC && dev->device == PCI_DEVICE_ID_UMC_UM8886A && (!(PCI_FUNC(dev->devfn) & 1))) goto out; /* UM8886A/BF pair */ if (dev->vendor == PCI_VENDOR_ID_OPTI && dev->device == PCI_DEVICE_ID_OPTI_82C558 && (!(PCI_FUNC(dev->devfn) & 1))) goto out; if (dev->vendor == PCI_VENDOR_ID_JMICRON) { if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && PCI_FUNC(dev->devfn) != 1) goto out; } if (dev->vendor != PCI_VENDOR_ID_JMICRON) { 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 struct pci_device_id generic_pci_tbl[] = { { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6}, { PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7}, { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8}, { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9}, #ifdef CONFIG_BLK_DEV_IDE_SATA { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10}, #endif { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11}, { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12}, { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13}, { PCI_VENDOR_ID_NETCELL,PCI_DEVICE_ID_REVOLUTION, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14}, /* Must come last. If you add entries adjust this table appropriately and the init_one code */ { 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");