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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
24#undef REALLY_SLOW_IO /* most systems can safely undef this */
25
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include <linux/types.h>
27#include <linux/module.h>
28#include <linux/kernel.h>
29#include <linux/delay.h>
30#include <linux/timer.h>
31#include <linux/mm.h>
32#include <linux/ioport.h>
33#include <linux/blkdev.h>
34#include <linux/hdreg.h>
35#include <linux/pci.h>
36#include <linux/ide.h>
37#include <linux/init.h>
38
39#include <asm/io.h>
40
Alan Coxb1893462005-06-27 15:24:26 -070041static int ide_generic_all; /* Set to claim all devices */
42
Adrian Bunk3c5473f2006-10-21 10:24:06 -070043/*
44 * the module_param_named() was added for the modular case
45 * the __setup() is left as compatibility for existing setups
46 */
47#ifndef MODULE
48static int __init ide_generic_all_on(char *unused)
49{
50 ide_generic_all = 1;
51 printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.");
52 return 1;
53}
54__setup("all-generic-ide", ide_generic_all_on);
55#endif
Patrick Jeffersona4bea102006-10-03 01:14:34 -070056module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
57MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
Alan Coxb1893462005-06-27 15:24:26 -070058
Linus Torvalds1da177e2005-04-16 15:20:36 -070059static void __devinit init_hwif_generic (ide_hwif_t *hwif)
60{
61 switch(hwif->pci_dev->device) {
62 case PCI_DEVICE_ID_UMC_UM8673F:
63 case PCI_DEVICE_ID_UMC_UM8886A:
64 case PCI_DEVICE_ID_UMC_UM8886BF:
65 hwif->irq = hwif->channel ? 15 : 14;
66 break;
67 default:
68 break;
69 }
70
71 if (!(hwif->dma_base))
72 return;
73
74 hwif->atapi_dma = 1;
75 hwif->ultra_mask = 0x7f;
76 hwif->mwdma_mask = 0x07;
77 hwif->swdma_mask = 0x07;
78
79 if (!noautodma)
80 hwif->autodma = 1;
81 hwif->drives[0].autodma = hwif->autodma;
82 hwif->drives[1].autodma = hwif->autodma;
83}
84
85#if 0
86 /* Logic to add back later on */
87
88 if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
89 ide_pci_device_t *unknown = unknown_chipset;
90 init_setup_unknown(dev, unknown);
91 return 1;
92 }
93 return 0;
94#endif
95
96static ide_pci_device_t generic_chipsets[] __devinitdata = {
97 { /* 0 */
Alan Coxb1893462005-06-27 15:24:26 -070098 .name = "Unknown",
99 .init_hwif = init_hwif_generic,
100 .channels = 2,
101 .autodma = AUTODMA,
102 .bootable = ON_BOARD,
103 },{ /* 1 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104 .name = "NS87410",
105 .init_hwif = init_hwif_generic,
106 .channels = 2,
107 .autodma = AUTODMA,
108 .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
109 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700110 },{ /* 2 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 .name = "SAMURAI",
112 .init_hwif = init_hwif_generic,
113 .channels = 2,
114 .autodma = AUTODMA,
115 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700116 },{ /* 3 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 .name = "HT6565",
118 .init_hwif = init_hwif_generic,
119 .channels = 2,
120 .autodma = AUTODMA,
121 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700122 },{ /* 4 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123 .name = "UM8673F",
124 .init_hwif = init_hwif_generic,
125 .channels = 2,
126 .autodma = NODMA,
127 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700128 },{ /* 5 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129 .name = "UM8886A",
130 .init_hwif = init_hwif_generic,
131 .channels = 2,
132 .autodma = NODMA,
133 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700134 },{ /* 6 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135 .name = "UM8886BF",
136 .init_hwif = init_hwif_generic,
137 .channels = 2,
138 .autodma = NODMA,
139 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700140 },{ /* 7 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141 .name = "HINT_IDE",
142 .init_hwif = init_hwif_generic,
143 .channels = 2,
144 .autodma = AUTODMA,
145 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700146 },{ /* 8 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147 .name = "VIA_IDE",
148 .init_hwif = init_hwif_generic,
149 .channels = 2,
150 .autodma = NOAUTODMA,
151 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700152 },{ /* 9 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153 .name = "OPTI621V",
154 .init_hwif = init_hwif_generic,
155 .channels = 2,
156 .autodma = NOAUTODMA,
157 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700158 },{ /* 10 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159 .name = "VIA8237SATA",
160 .init_hwif = init_hwif_generic,
161 .channels = 2,
162 .autodma = AUTODMA,
163 .bootable = OFF_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700164 },{ /* 11 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165 .name = "Piccolo0102",
166 .init_hwif = init_hwif_generic,
167 .channels = 2,
168 .autodma = NOAUTODMA,
169 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700170 },{ /* 12 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171 .name = "Piccolo0103",
172 .init_hwif = init_hwif_generic,
173 .channels = 2,
174 .autodma = NOAUTODMA,
175 .bootable = ON_BOARD,
Alan Coxb1893462005-06-27 15:24:26 -0700176 },{ /* 13 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177 .name = "Piccolo0105",
178 .init_hwif = init_hwif_generic,
179 .channels = 2,
180 .autodma = NOAUTODMA,
181 .bootable = ON_BOARD,
Matt Gillette2f09a7f2005-08-18 22:27:07 +0200182 },{ /* 14 */
183 .name = "Revolution",
184 .init_hwif = init_hwif_generic,
185 .channels = 2,
186 .autodma = AUTODMA,
187 .bootable = OFF_BOARD,
Alan Cox79860a92006-08-09 15:04:58 +0100188 },{ /* 15 */
189 .name = "JMB361",
190 .init_hwif = init_hwif_generic,
191 .channels = 2,
192 .autodma = AUTODMA,
193 .bootable = OFF_BOARD,
194 },{ /* 16 */
195 .name = "JMB363",
196 .init_hwif = init_hwif_generic,
197 .channels = 2,
198 .autodma = AUTODMA,
199 .bootable = OFF_BOARD,
200 },{ /* 17 */
201 .name = "JMB365",
202 .init_hwif = init_hwif_generic,
203 .channels = 2,
204 .autodma = AUTODMA,
205 .bootable = OFF_BOARD,
206 },{ /* 18 */
207 .name = "JMB366",
208 .init_hwif = init_hwif_generic,
209 .channels = 2,
210 .autodma = AUTODMA,
211 .bootable = OFF_BOARD,
212 },{ /* 19 */
213 .name = "JMB368",
214 .init_hwif = init_hwif_generic,
215 .channels = 2,
216 .autodma = AUTODMA,
217 .bootable = OFF_BOARD,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218 }
219};
220
221/**
222 * generic_init_one - called when a PIIX is found
223 * @dev: the generic device
224 * @id: the matching pci id
225 *
226 * Called when the PCI registration layer (or the IDE initialization)
227 * finds a device matching our IDE device tables.
228 */
229
230static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
231{
232 ide_pci_device_t *d = &generic_chipsets[id->driver_data];
233 u16 command;
234 int ret = -ENODEV;
235
Alan Coxb1893462005-06-27 15:24:26 -0700236 /* Don't use the generic entry unless instructed to do so */
237 if (id->driver_data == 0 && ide_generic_all == 0)
238 goto out;
239
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240 if (dev->vendor == PCI_VENDOR_ID_UMC &&
241 dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
242 (!(PCI_FUNC(dev->devfn) & 1)))
243 goto out; /* UM8886A/BF pair */
244
245 if (dev->vendor == PCI_VENDOR_ID_OPTI &&
246 dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
247 (!(PCI_FUNC(dev->devfn) & 1)))
248 goto out;
249
Alan Cox15e0c692006-07-12 15:05:41 +0100250 if (dev->vendor == PCI_VENDOR_ID_JMICRON && PCI_FUNC(dev->devfn) != 1)
251 goto out;
252
Alan Cox3719bc52006-10-11 01:21:47 -0700253 if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
254 pci_read_config_word(dev, PCI_COMMAND, &command);
255 if (!(command & PCI_COMMAND_IO)) {
256 printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
257 goto out;
258 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259 }
260 ret = ide_setup_pci_device(dev, d);
261out:
262 return ret;
263}
264
265static struct pci_device_id generic_pci_tbl[] = {
Alan Coxb1893462005-06-27 15:24:26 -0700266 { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
267 { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
268 { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
269 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
270 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
271 { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
272 { PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7},
273 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8},
274 { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275#ifdef CONFIG_BLK_DEV_IDE_SATA
Alan Coxb1893462005-06-27 15:24:26 -0700276 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700277#endif
Alan Coxb1893462005-06-27 15:24:26 -0700278 { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11},
279 { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12},
280 { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13},
Matt Gillette2f09a7f2005-08-18 22:27:07 +0200281 { PCI_VENDOR_ID_NETCELL,PCI_DEVICE_ID_REVOLUTION, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14},
Alan Cox15e0c692006-07-12 15:05:41 +0100282 { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB361, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15},
283 { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB363, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16},
284 { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB365, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17},
285 { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB366, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18},
286 { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB368, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19},
Alan Coxb1893462005-06-27 15:24:26 -0700287 /* Must come last. If you add entries adjust this table appropriately and the init_one code */
288 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289 { 0, },
290};
291MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
292
293static struct pci_driver driver = {
294 .name = "PCI_IDE",
295 .id_table = generic_pci_tbl,
296 .probe = generic_init_one,
297};
298
299static int generic_ide_init(void)
300{
301 return ide_pci_register_driver(&driver);
302}
303
304module_init(generic_ide_init);
305
306MODULE_AUTHOR("Andre Hedrick");
307MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
308MODULE_LICENSE("GPL");