| /* |
| * 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/config.h> /* for CONFIG_BLK_DEV_IDEPCI */ |
| #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 */ |
| |
| 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, |
| },{ /* 15 */ |
| .name = "JMB361", |
| .init_hwif = init_hwif_generic, |
| .channels = 2, |
| .autodma = AUTODMA, |
| .bootable = OFF_BOARD, |
| },{ /* 16 */ |
| .name = "JMB363", |
| .init_hwif = init_hwif_generic, |
| .channels = 2, |
| .autodma = AUTODMA, |
| .bootable = OFF_BOARD, |
| },{ /* 17 */ |
| .name = "JMB365", |
| .init_hwif = init_hwif_generic, |
| .channels = 2, |
| .autodma = AUTODMA, |
| .bootable = OFF_BOARD, |
| },{ /* 18 */ |
| .name = "JMB366", |
| .init_hwif = init_hwif_generic, |
| .channels = 2, |
| .autodma = AUTODMA, |
| .bootable = OFF_BOARD, |
| },{ /* 19 */ |
| .name = "JMB368", |
| .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 && PCI_FUNC(dev->devfn) != 1) |
| goto out; |
| |
| 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}, |
| { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB361, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15}, |
| { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB363, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16}, |
| { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB365, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17}, |
| { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB366, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18}, |
| { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB368, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19}, |
| /* 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 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"); |