2 * linux/drivers/ide/pci/generic.c Version 0.11 December 30, 2002
4 * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
5 * Portions (C) Copyright 2002 Red Hat Inc <alan@redhat.com>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * For the avoidance of doubt the "preferred form" of this code is one which
18 * is in an open non patent encumbered format. Where cryptographic key signing
19 * forms part of the process of creating an executable the information
20 * including keys needed to generate an equivalently functional executable
21 * are deemed to be part of the source code.
24 #undef REALLY_SLOW_IO /* most systems can safely undef this */
26 #include <linux/config.h> /* for CONFIG_BLK_DEV_IDEPCI */
27 #include <linux/types.h>
28 #include <linux/module.h>
29 #include <linux/kernel.h>
30 #include <linux/delay.h>
31 #include <linux/timer.h>
33 #include <linux/ioport.h>
34 #include <linux/blkdev.h>
35 #include <linux/hdreg.h>
36 #include <linux/pci.h>
37 #include <linux/ide.h>
38 #include <linux/init.h>
44 static unsigned int __init init_chipset_generic (struct pci_dev *dev, const char *name)
49 static void __init init_hwif_generic (ide_hwif_t *hwif)
51 switch(hwif->pci_dev->device) {
52 case PCI_DEVICE_ID_UMC_UM8673F:
53 case PCI_DEVICE_ID_UMC_UM8886A:
54 case PCI_DEVICE_ID_UMC_UM8886BF:
55 hwif->irq = hwif->channel ? 15 : 14;
61 if (!(hwif->dma_base))
65 hwif->ultra_mask = 0x7f;
66 hwif->mwdma_mask = 0x07;
67 hwif->swdma_mask = 0x07;
71 hwif->drives[0].autodma = hwif->autodma;
72 hwif->drives[1].autodma = hwif->autodma;
75 static void init_dma_generic (ide_hwif_t *hwif, unsigned long dmabase)
77 ide_setup_dma(hwif, dmabase, 8);
80 extern void ide_setup_pci_device(struct pci_dev *, ide_pci_device_t *);
84 /* Logic to add back later on */
86 if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
87 ide_pci_device_t *unknown = unknown_chipset;
88 // unknown->vendor = dev->vendor;
89 // unknown->device = dev->device;
90 init_setup_unknown(dev, unknown);
97 * generic_init_one - called when a PIIX is found
98 * @dev: the generic device
99 * @id: the matching pci id
101 * Called when the PCI registration layer (or the IDE initialization)
102 * finds a device matching our IDE device tables.
105 static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
107 ide_pci_device_t *d = &generic_chipsets[id->driver_data];
110 if (dev->device != d->device)
112 if ((d->vendor == PCI_VENDOR_ID_UMC) &&
113 (d->device == PCI_DEVICE_ID_UMC_UM8886A) &&
114 (!(PCI_FUNC(dev->devfn) & 1)))
115 return 1; /* UM8886A/BF pair */
117 if ((d->vendor == PCI_VENDOR_ID_OPTI) &&
118 (d->device == PCI_DEVICE_ID_OPTI_82C558) &&
119 (!(PCI_FUNC(dev->devfn) & 1)))
122 pci_read_config_word(dev, PCI_COMMAND, &command);
123 if(!(command & PCI_COMMAND_IO))
125 printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
128 ide_setup_pci_device(dev, d);
133 static struct pci_device_id generic_pci_tbl[] = {
134 { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
135 { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
136 { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
137 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
138 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
139 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
140 { PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
141 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7},
142 { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8},
146 static struct pci_driver driver = {
148 .id_table = generic_pci_tbl,
149 .probe = generic_init_one,
152 static int generic_ide_init(void)
154 return ide_pci_register_driver(&driver);
157 static void generic_ide_exit(void)
159 ide_pci_unregister_driver(&driver);
162 module_init(generic_ide_init);
163 module_exit(generic_ide_exit);
165 MODULE_AUTHOR("Andre Hedrick");
166 MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
167 MODULE_LICENSE("GPL");