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 #include <linux/types.h>
25 #include <linux/module.h>
26 #include <linux/kernel.h>
27 #include <linux/delay.h>
28 #include <linux/timer.h>
30 #include <linux/ioport.h>
31 #include <linux/blkdev.h>
32 #include <linux/hdreg.h>
33 #include <linux/pci.h>
34 #include <linux/ide.h>
35 #include <linux/init.h>
39 static int ide_generic_all; /* Set to claim all devices */
42 * the module_param_named() was added for the modular case
43 * the __setup() is left as compatibility for existing setups
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");
52 const __setup("all-generic-ide", ide_generic_all_on);
54 module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
55 MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
57 #define IDE_HFLAGS_UMC (IDE_HFLAG_NO_DMA | IDE_HFLAG_FORCE_LEGACY_IRQS)
59 #define DECLARE_GENERIC_PCI_DEV(name_str, extra_flags) \
62 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \
65 .swdma_mask = ATA_SWDMA2, \
66 .mwdma_mask = ATA_MWDMA2, \
67 .udma_mask = ATA_UDMA6, \
70 static const struct ide_port_info generic_chipsets[] __devinitdata = {
71 /* 0 */ DECLARE_GENERIC_PCI_DEV("Unknown", 0),
75 .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
76 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
78 .swdma_mask = ATA_SWDMA2,
79 .mwdma_mask = ATA_MWDMA2,
80 .udma_mask = ATA_UDMA6,
83 /* 2 */ DECLARE_GENERIC_PCI_DEV("SAMURAI", 0),
84 /* 3 */ DECLARE_GENERIC_PCI_DEV("HT6565", 0),
85 /* 4 */ DECLARE_GENERIC_PCI_DEV("UM8673F", IDE_HFLAGS_UMC),
86 /* 5 */ DECLARE_GENERIC_PCI_DEV("UM8886A", IDE_HFLAGS_UMC),
87 /* 6 */ DECLARE_GENERIC_PCI_DEV("UM8886BF", IDE_HFLAGS_UMC),
88 /* 7 */ DECLARE_GENERIC_PCI_DEV("HINT_IDE", 0),
89 /* 8 */ DECLARE_GENERIC_PCI_DEV("VIA_IDE", IDE_HFLAG_NO_AUTODMA),
90 /* 9 */ DECLARE_GENERIC_PCI_DEV("OPTI621V", IDE_HFLAG_NO_AUTODMA),
93 .name = "VIA8237SATA",
94 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
96 .swdma_mask = ATA_SWDMA2,
97 .mwdma_mask = ATA_MWDMA2,
98 .udma_mask = ATA_UDMA6,
101 /* 11 */ DECLARE_GENERIC_PCI_DEV("Piccolo0102", IDE_HFLAG_NO_AUTODMA),
102 /* 12 */ DECLARE_GENERIC_PCI_DEV("Piccolo0103", IDE_HFLAG_NO_AUTODMA),
103 /* 13 */ DECLARE_GENERIC_PCI_DEV("Piccolo0105", IDE_HFLAG_NO_AUTODMA),
106 .name = "Revolution",
107 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
109 .swdma_mask = ATA_SWDMA2,
110 .mwdma_mask = ATA_MWDMA2,
111 .udma_mask = ATA_UDMA6,
116 * generic_init_one - called when a PIIX is found
117 * @dev: the generic device
118 * @id: the matching pci id
120 * Called when the PCI registration layer (or the IDE initialization)
121 * finds a device matching our IDE device tables.
124 static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
126 const struct ide_port_info *d = &generic_chipsets[id->driver_data];
129 /* Don't use the generic entry unless instructed to do so */
130 if (id->driver_data == 0 && ide_generic_all == 0)
133 switch (dev->vendor) {
134 case PCI_VENDOR_ID_UMC:
135 if (dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
136 !(PCI_FUNC(dev->devfn) & 1))
137 goto out; /* UM8886A/BF pair */
139 case PCI_VENDOR_ID_OPTI:
140 if (dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
141 !(PCI_FUNC(dev->devfn) & 1))
144 case PCI_VENDOR_ID_JMICRON:
145 if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 &&
146 PCI_FUNC(dev->devfn) != 1)
149 case PCI_VENDOR_ID_NS:
150 if (dev->device == PCI_DEVICE_ID_NS_87410 &&
151 (dev->class >> 8) != PCI_CLASS_STORAGE_IDE)
156 if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
158 pci_read_config_word(dev, PCI_COMMAND, &command);
159 if (!(command & PCI_COMMAND_IO)) {
160 printk(KERN_INFO "Skipping disabled %s IDE "
161 "controller.\n", d->name);
165 ret = ide_setup_pci_device(dev, d);
170 static const struct pci_device_id generic_pci_tbl[] = {
171 { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87410), 1 },
172 { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), 2 },
173 { PCI_VDEVICE(HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), 3 },
174 { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 4 },
175 { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 5 },
176 { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 6 },
177 { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 7 },
178 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 8 },
179 { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 9 },
180 #ifdef CONFIG_BLK_DEV_IDE_SATA
181 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 10 },
183 { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO), 11 },
184 { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 12 },
185 { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 13 },
186 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 14 },
188 * Must come last. If you add entries adjust
189 * this table and generic_chipsets[] appropriately.
191 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 },
194 MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
196 static struct pci_driver driver = {
198 .id_table = generic_pci_tbl,
199 .probe = generic_init_one,
202 static int __init generic_ide_init(void)
204 return ide_pci_register_driver(&driver);
207 module_init(generic_ide_init);
209 MODULE_AUTHOR("Andre Hedrick");
210 MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
211 MODULE_LICENSE("GPL");