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 int ide_generic_all; /* Set to claim all devices */
46 static int __init ide_generic_all_on(char *unused)
49 printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n");
53 __setup("all-generic-ide", ide_generic_all_on);
55 static unsigned int __init init_chipset_generic (struct pci_dev *dev, const char *name)
60 static void __init init_hwif_generic (ide_hwif_t *hwif)
62 switch(hwif->pci_dev->device) {
63 case PCI_DEVICE_ID_UMC_UM8673F:
64 case PCI_DEVICE_ID_UMC_UM8886A:
65 case PCI_DEVICE_ID_UMC_UM8886BF:
66 hwif->irq = hwif->channel ? 15 : 14;
72 if (!(hwif->dma_base))
76 hwif->ultra_mask = 0x7f;
77 hwif->mwdma_mask = 0x07;
78 hwif->swdma_mask = 0x07;
82 hwif->drives[0].autodma = hwif->autodma;
83 hwif->drives[1].autodma = hwif->autodma;
87 /* Logic to add back later on */
89 if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
90 ide_pci_device_t *unknown = unknown_chipset;
91 init_setup_unknown(dev, unknown);
98 * generic_init_one - called when a PIIX is found
99 * @dev: the generic device
100 * @id: the matching pci id
102 * Called when the PCI registration layer (or the IDE initialization)
103 * finds a device matching our IDE device tables.
106 static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
108 ide_pci_device_t *d = &generic_chipsets[id->driver_data];
111 /* Don't use the generic entry unless instructed to do so */
112 if (id->driver_data == 0)
113 if(ide_generic_all == 0)
116 if (dev->vendor == PCI_VENDOR_ID_UMC &&
117 dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
118 (!(PCI_FUNC(dev->devfn) & 1)))
119 return -EAGAIN; /* UM8886A/BF pair */
121 if (dev->vendor == PCI_VENDOR_ID_OPTI &&
122 dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
123 (!(PCI_FUNC(dev->devfn) & 1)))
126 pci_read_config_word(dev, PCI_COMMAND, &command);
127 if(!(command & PCI_COMMAND_IO)) {
128 printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
131 ide_setup_pci_device(dev, d);
135 static void __devexit generic_remove_one(struct pci_dev *dev)
137 ide_pci_remove_hwifs(dev);
140 static struct pci_device_id generic_pci_tbl[] = {
141 { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
142 { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
143 { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
144 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
145 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
146 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
147 { PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7},
148 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8},
149 { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9},
150 #ifdef CONFIG_BLK_DEV_IDE_SATA
151 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10},
153 { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11},
154 { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12},
155 { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13},
156 /* Must come last. If you add entries adjust this table appropriately and the init_one code */
157 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0},
160 MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
162 static struct pci_driver driver = {
164 .id_table = generic_pci_tbl,
165 .probe = generic_init_one,
166 .remove = __devexit_p(generic_remove_one),
169 static int generic_ide_init(void)
171 return ide_pci_register_driver(&driver);
174 module_init(generic_ide_init);
176 static void generic_ide_exit(void)
178 return ide_pci_unregister_driver(&driver);
181 module_exit(generic_ide_exit);
184 MODULE_AUTHOR("Andre Hedrick");
185 MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
186 MODULE_LICENSE("GPL");