diff options
Diffstat (limited to 'drivers/ide/pci/generic.c')
| -rw-r--r-- | drivers/ide/pci/generic.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c new file mode 100644 index 00000000000..4565cc311ff --- /dev/null +++ b/drivers/ide/pci/generic.c @@ -0,0 +1,232 @@ +/* + * 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 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 = "NS87410", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = AUTODMA, + .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}}, + .bootable = ON_BOARD, + },{ /* 1 */ + .name = "SAMURAI", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = AUTODMA, + .bootable = ON_BOARD, + },{ /* 2 */ + .name = "HT6565", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = AUTODMA, + .bootable = ON_BOARD, + },{ /* 3 */ + .name = "UM8673F", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = NODMA, + .bootable = ON_BOARD, + },{ /* 4 */ + .name = "UM8886A", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = NODMA, + .bootable = ON_BOARD, + },{ /* 5 */ + .name = "UM8886BF", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = NODMA, + .bootable = ON_BOARD, + },{ /* 6 */ + .name = "HINT_IDE", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = AUTODMA, + .bootable = ON_BOARD, + },{ /* 7 */ + .name = "VIA_IDE", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = NOAUTODMA, + .bootable = ON_BOARD, + },{ /* 8 */ + .name = "OPTI621V", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = NOAUTODMA, + .bootable = ON_BOARD, + },{ /* 9 */ + .name = "VIA8237SATA", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = AUTODMA, + .bootable = OFF_BOARD, + },{ /* 10 */ + .name = "Piccolo0102", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = NOAUTODMA, + .bootable = ON_BOARD, + },{ /* 11 */ + .name = "Piccolo0103", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = NOAUTODMA, + .bootable = ON_BOARD, + },{ /* 12 */ + .name = "Piccolo0105", + .init_hwif = init_hwif_generic, + .channels = 2, + .autodma = NOAUTODMA, + .bootable = ON_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; + + 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; + + 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, 0}, + { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, + { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, + { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, + { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, + { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, + { PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6}, + { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7}, + { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8}, +#ifdef CONFIG_BLK_DEV_IDE_SATA + { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9}, +#endif + { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10}, + { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11}, + { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12}, + { 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"); |