212 lines
6.6 KiB
C
212 lines
6.6 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#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;
|
|
}
|
|
const __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.");
|
|
|
|
#define IDE_HFLAGS_UMC (IDE_HFLAG_NO_DMA | IDE_HFLAG_FORCE_LEGACY_IRQS)
|
|
|
|
#define DECLARE_GENERIC_PCI_DEV(name_str, extra_flags) \
|
|
{ \
|
|
.name = name_str, \
|
|
.host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \
|
|
extra_flags | \
|
|
IDE_HFLAG_BOOTABLE, \
|
|
.swdma_mask = ATA_SWDMA2, \
|
|
.mwdma_mask = ATA_MWDMA2, \
|
|
.udma_mask = ATA_UDMA6, \
|
|
}
|
|
|
|
static const struct ide_port_info generic_chipsets[] __devinitdata = {
|
|
/* 0 */ DECLARE_GENERIC_PCI_DEV("Unknown", 0),
|
|
|
|
{ /* 1 */
|
|
.name = "NS87410",
|
|
.enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
|
|
.host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
|
|
IDE_HFLAG_BOOTABLE,
|
|
.swdma_mask = ATA_SWDMA2,
|
|
.mwdma_mask = ATA_MWDMA2,
|
|
.udma_mask = ATA_UDMA6,
|
|
},
|
|
|
|
/* 2 */ DECLARE_GENERIC_PCI_DEV("SAMURAI", 0),
|
|
/* 3 */ DECLARE_GENERIC_PCI_DEV("HT6565", 0),
|
|
/* 4 */ DECLARE_GENERIC_PCI_DEV("UM8673F", IDE_HFLAGS_UMC),
|
|
/* 5 */ DECLARE_GENERIC_PCI_DEV("UM8886A", IDE_HFLAGS_UMC),
|
|
/* 6 */ DECLARE_GENERIC_PCI_DEV("UM8886BF", IDE_HFLAGS_UMC),
|
|
/* 7 */ DECLARE_GENERIC_PCI_DEV("HINT_IDE", 0),
|
|
/* 8 */ DECLARE_GENERIC_PCI_DEV("VIA_IDE", IDE_HFLAG_NO_AUTODMA),
|
|
/* 9 */ DECLARE_GENERIC_PCI_DEV("OPTI621V", IDE_HFLAG_NO_AUTODMA),
|
|
|
|
{ /* 10 */
|
|
.name = "VIA8237SATA",
|
|
.host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
|
|
IDE_HFLAG_OFF_BOARD,
|
|
.swdma_mask = ATA_SWDMA2,
|
|
.mwdma_mask = ATA_MWDMA2,
|
|
.udma_mask = ATA_UDMA6,
|
|
},
|
|
|
|
/* 11 */ DECLARE_GENERIC_PCI_DEV("Piccolo0102", IDE_HFLAG_NO_AUTODMA),
|
|
/* 12 */ DECLARE_GENERIC_PCI_DEV("Piccolo0103", IDE_HFLAG_NO_AUTODMA),
|
|
/* 13 */ DECLARE_GENERIC_PCI_DEV("Piccolo0105", IDE_HFLAG_NO_AUTODMA),
|
|
|
|
{ /* 14 */
|
|
.name = "Revolution",
|
|
.host_flags = 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 "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");
|