siimage: bump driver version
[linux-2.6-block.git] / drivers / ide / pci / generic.c
CommitLineData
1da177e4
LT
1/*
2 * linux/drivers/ide/pci/generic.c Version 0.11 December 30, 2002
3 *
4 * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
5 * Portions (C) Copyright 2002 Red Hat Inc <alan@redhat.com>
6 *
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
10 * later version.
11 *
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.
16 *
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.
22 */
23
1da177e4
LT
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>
29#include <linux/mm.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>
36
37#include <asm/io.h>
38
b189346c
AC
39static int ide_generic_all; /* Set to claim all devices */
40
3c5473f8
AB
41/*
42 * the module_param_named() was added for the modular case
43 * the __setup() is left as compatibility for existing setups
44 */
45#ifndef MODULE
46static int __init ide_generic_all_on(char *unused)
47{
48 ide_generic_all = 1;
2b52c959 49 printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n");
3c5473f8
AB
50 return 1;
51}
52__setup("all-generic-ide", ide_generic_all_on);
53#endif
a4bea10e
PJ
54module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
55MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
b189346c 56
1da177e4
LT
57static void __devinit init_hwif_generic (ide_hwif_t *hwif)
58{
59 switch(hwif->pci_dev->device) {
60 case PCI_DEVICE_ID_UMC_UM8673F:
61 case PCI_DEVICE_ID_UMC_UM8886A:
62 case PCI_DEVICE_ID_UMC_UM8886BF:
63 hwif->irq = hwif->channel ? 15 : 14;
64 break;
65 default:
66 break;
67 }
68
69 if (!(hwif->dma_base))
70 return;
71
72 hwif->atapi_dma = 1;
73 hwif->ultra_mask = 0x7f;
74 hwif->mwdma_mask = 0x07;
75 hwif->swdma_mask = 0x07;
1da177e4
LT
76}
77
78#if 0
79 /* Logic to add back later on */
80
81 if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
82 ide_pci_device_t *unknown = unknown_chipset;
83 init_setup_unknown(dev, unknown);
84 return 1;
85 }
86 return 0;
87#endif
88
89static ide_pci_device_t generic_chipsets[] __devinitdata = {
90 { /* 0 */
b189346c
AC
91 .name = "Unknown",
92 .init_hwif = init_hwif_generic,
b189346c
AC
93 .autodma = AUTODMA,
94 .bootable = ON_BOARD,
0ae2e178 95 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 96 },{ /* 1 */
1da177e4
LT
97 .name = "NS87410",
98 .init_hwif = init_hwif_generic,
1da177e4
LT
99 .autodma = AUTODMA,
100 .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
101 .bootable = ON_BOARD,
0ae2e178 102 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 103 },{ /* 2 */
1da177e4
LT
104 .name = "SAMURAI",
105 .init_hwif = init_hwif_generic,
1da177e4
LT
106 .autodma = AUTODMA,
107 .bootable = ON_BOARD,
0ae2e178 108 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 109 },{ /* 3 */
1da177e4
LT
110 .name = "HT6565",
111 .init_hwif = init_hwif_generic,
1da177e4
LT
112 .autodma = AUTODMA,
113 .bootable = ON_BOARD,
0ae2e178 114 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 115 },{ /* 4 */
1da177e4
LT
116 .name = "UM8673F",
117 .init_hwif = init_hwif_generic,
1da177e4
LT
118 .autodma = NODMA,
119 .bootable = ON_BOARD,
0ae2e178 120 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 121 },{ /* 5 */
1da177e4
LT
122 .name = "UM8886A",
123 .init_hwif = init_hwif_generic,
1da177e4
LT
124 .autodma = NODMA,
125 .bootable = ON_BOARD,
0ae2e178 126 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 127 },{ /* 6 */
1da177e4
LT
128 .name = "UM8886BF",
129 .init_hwif = init_hwif_generic,
1da177e4
LT
130 .autodma = NODMA,
131 .bootable = ON_BOARD,
0ae2e178 132 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 133 },{ /* 7 */
1da177e4
LT
134 .name = "HINT_IDE",
135 .init_hwif = init_hwif_generic,
1da177e4
LT
136 .autodma = AUTODMA,
137 .bootable = ON_BOARD,
0ae2e178 138 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 139 },{ /* 8 */
1da177e4
LT
140 .name = "VIA_IDE",
141 .init_hwif = init_hwif_generic,
1da177e4
LT
142 .autodma = NOAUTODMA,
143 .bootable = ON_BOARD,
0ae2e178 144 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 145 },{ /* 9 */
1da177e4
LT
146 .name = "OPTI621V",
147 .init_hwif = init_hwif_generic,
1da177e4
LT
148 .autodma = NOAUTODMA,
149 .bootable = ON_BOARD,
0ae2e178 150 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 151 },{ /* 10 */
1da177e4
LT
152 .name = "VIA8237SATA",
153 .init_hwif = init_hwif_generic,
1da177e4
LT
154 .autodma = AUTODMA,
155 .bootable = OFF_BOARD,
0ae2e178 156 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 157 },{ /* 11 */
1da177e4
LT
158 .name = "Piccolo0102",
159 .init_hwif = init_hwif_generic,
1da177e4
LT
160 .autodma = NOAUTODMA,
161 .bootable = ON_BOARD,
0ae2e178 162 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 163 },{ /* 12 */
1da177e4
LT
164 .name = "Piccolo0103",
165 .init_hwif = init_hwif_generic,
1da177e4
LT
166 .autodma = NOAUTODMA,
167 .bootable = ON_BOARD,
0ae2e178 168 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
b189346c 169 },{ /* 13 */
1da177e4
LT
170 .name = "Piccolo0105",
171 .init_hwif = init_hwif_generic,
1da177e4
LT
172 .autodma = NOAUTODMA,
173 .bootable = ON_BOARD,
0ae2e178 174 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
2f09a7f4
MG
175 },{ /* 14 */
176 .name = "Revolution",
177 .init_hwif = init_hwif_generic,
2f09a7f4
MG
178 .autodma = AUTODMA,
179 .bootable = OFF_BOARD,
0ae2e178 180 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
1da177e4
LT
181 }
182};
183
184/**
185 * generic_init_one - called when a PIIX is found
186 * @dev: the generic device
187 * @id: the matching pci id
188 *
189 * Called when the PCI registration layer (or the IDE initialization)
190 * finds a device matching our IDE device tables.
191 */
192
193static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
194{
195 ide_pci_device_t *d = &generic_chipsets[id->driver_data];
1da177e4
LT
196 int ret = -ENODEV;
197
b189346c
AC
198 /* Don't use the generic entry unless instructed to do so */
199 if (id->driver_data == 0 && ide_generic_all == 0)
200 goto out;
201
ea307596
JS
202 switch (dev->vendor) {
203 case PCI_VENDOR_ID_UMC:
204 if (dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
205 !(PCI_FUNC(dev->devfn) & 1))
206 goto out; /* UM8886A/BF pair */
207 break;
208 case PCI_VENDOR_ID_OPTI:
209 if (dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
210 !(PCI_FUNC(dev->devfn) & 1))
211 goto out;
212 break;
213 case PCI_VENDOR_ID_JMICRON:
214 if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 &&
215 PCI_FUNC(dev->devfn) != 1)
216 goto out;
217 break;
218 case PCI_VENDOR_ID_NS:
219 if (dev->device == PCI_DEVICE_ID_NS_87410 &&
220 (dev->class >> 8) != PCI_CLASS_STORAGE_IDE)
c333526f 221 goto out;
ea307596 222 break;
c333526f 223 }
15e0c694 224
3719bc5c 225 if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
ea307596 226 u16 command;
3719bc5c
AC
227 pci_read_config_word(dev, PCI_COMMAND, &command);
228 if (!(command & PCI_COMMAND_IO)) {
ea307596
JS
229 printk(KERN_INFO "Skipping disabled %s IDE "
230 "controller.\n", d->name);
3719bc5c
AC
231 goto out;
232 }
1da177e4
LT
233 }
234 ret = ide_setup_pci_device(dev, d);
235out:
236 return ret;
237}
238
9cbcc5e3
BZ
239static const struct pci_device_id generic_pci_tbl[] = {
240 { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87410), 1 },
241 { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), 2 },
242 { PCI_VDEVICE(HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), 3 },
243 { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 4 },
244 { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 5 },
245 { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 6 },
246 { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 7 },
247 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 8 },
248 { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 9 },
1da177e4 249#ifdef CONFIG_BLK_DEV_IDE_SATA
9cbcc5e3 250 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 10 },
1da177e4 251#endif
9cbcc5e3
BZ
252 { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO), 11 },
253 { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 12 },
254 { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 13 },
255 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 14 },
256 /*
257 * Must come last. If you add entries adjust
258 * this table and generic_chipsets[] appropriately.
259 */
260 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 },
1da177e4
LT
261 { 0, },
262};
263MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
264
265static struct pci_driver driver = {
266 .name = "PCI_IDE",
267 .id_table = generic_pci_tbl,
268 .probe = generic_init_one,
269};
270
82ab1eec 271static int __init generic_ide_init(void)
1da177e4
LT
272{
273 return ide_pci_register_driver(&driver);
274}
275
276module_init(generic_ide_init);
277
278MODULE_AUTHOR("Andre Hedrick");
279MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
280MODULE_LICENSE("GPL");