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>
42 static int ide_generic_all; /* Set to claim all devices */
44 static int __init ide_generic_all_on(char *unused)
47 printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n");
51 __setup("all-generic-ide", ide_generic_all_on);
53 static void __devinit init_hwif_generic (ide_hwif_t *hwif)
55 switch(hwif->pci_dev->device) {
56 case PCI_DEVICE_ID_UMC_UM8673F:
57 case PCI_DEVICE_ID_UMC_UM8886A:
58 case PCI_DEVICE_ID_UMC_UM8886BF:
59 hwif->irq = hwif->channel ? 15 : 14;
65 if (!(hwif->dma_base))
69 hwif->ultra_mask = 0x7f;
70 hwif->mwdma_mask = 0x07;
71 hwif->swdma_mask = 0x07;
75 hwif->drives[0].autodma = hwif->autodma;
76 hwif->drives[1].autodma = hwif->autodma;
80 /* Logic to add back later on */
82 if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
83 ide_pci_device_t *unknown = unknown_chipset;
84 init_setup_unknown(dev, unknown);
90 static ide_pci_device_t generic_chipsets[] __devinitdata = {
93 .init_hwif = init_hwif_generic,
99 .init_hwif = init_hwif_generic,
102 .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
103 .bootable = ON_BOARD,
106 .init_hwif = init_hwif_generic,
109 .bootable = ON_BOARD,
112 .init_hwif = init_hwif_generic,
115 .bootable = ON_BOARD,
118 .init_hwif = init_hwif_generic,
121 .bootable = ON_BOARD,
124 .init_hwif = init_hwif_generic,
127 .bootable = ON_BOARD,
130 .init_hwif = init_hwif_generic,
133 .bootable = ON_BOARD,
136 .init_hwif = init_hwif_generic,
139 .bootable = ON_BOARD,
142 .init_hwif = init_hwif_generic,
144 .autodma = NOAUTODMA,
145 .bootable = ON_BOARD,
148 .init_hwif = init_hwif_generic,
150 .autodma = NOAUTODMA,
151 .bootable = ON_BOARD,
153 .name = "VIA8237SATA",
154 .init_hwif = init_hwif_generic,
157 .bootable = OFF_BOARD,
159 .name = "Piccolo0102",
160 .init_hwif = init_hwif_generic,
162 .autodma = NOAUTODMA,
163 .bootable = ON_BOARD,
165 .name = "Piccolo0103",
166 .init_hwif = init_hwif_generic,
168 .autodma = NOAUTODMA,
169 .bootable = ON_BOARD,
171 .name = "Piccolo0105",
172 .init_hwif = init_hwif_generic,
174 .autodma = NOAUTODMA,
175 .bootable = ON_BOARD,
180 * generic_init_one - called when a PIIX is found
181 * @dev: the generic device
182 * @id: the matching pci id
184 * Called when the PCI registration layer (or the IDE initialization)
185 * finds a device matching our IDE device tables.
188 static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
190 ide_pci_device_t *d = &generic_chipsets[id->driver_data];
194 /* Don't use the generic entry unless instructed to do so */
195 if (id->driver_data == 0 && ide_generic_all == 0)
198 if (dev->vendor == PCI_VENDOR_ID_UMC &&
199 dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
200 (!(PCI_FUNC(dev->devfn) & 1)))
201 goto out; /* UM8886A/BF pair */
203 if (dev->vendor == PCI_VENDOR_ID_OPTI &&
204 dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
205 (!(PCI_FUNC(dev->devfn) & 1)))
208 pci_read_config_word(dev, PCI_COMMAND, &command);
209 if (!(command & PCI_COMMAND_IO)) {
210 printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
213 ret = ide_setup_pci_device(dev, d);
218 static struct pci_device_id generic_pci_tbl[] = {
219 { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
220 { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
221 { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
222 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
223 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
224 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
225 { PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7},
226 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8},
227 { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9},
228 #ifdef CONFIG_BLK_DEV_IDE_SATA
229 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10},
231 { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11},
232 { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12},
233 { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13},
234 /* Must come last. If you add entries adjust this table appropriately and the init_one code */
235 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0},
238 MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
240 static struct pci_driver driver = {
242 .id_table = generic_pci_tbl,
243 .probe = generic_init_one,
246 static int generic_ide_init(void)
248 return ide_pci_register_driver(&driver);
251 module_init(generic_ide_init);
253 MODULE_AUTHOR("Andre Hedrick");
254 MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
255 MODULE_LICENSE("GPL");