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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 | ||
24 | #undef REALLY_SLOW_IO /* most systems can safely undef this */ | |
25 | ||
1da177e4 LT |
26 | #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 | ||
b189346c AC |
41 | static int ide_generic_all; /* Set to claim all devices */ |
42 | ||
3c5473f8 AB |
43 | /* |
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 | |
48 | static int __init ide_generic_all_on(char *unused) | |
49 | { | |
50 | ide_generic_all = 1; | |
2b52c959 | 51 | printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n"); |
3c5473f8 AB |
52 | return 1; |
53 | } | |
54 | __setup("all-generic-ide", ide_generic_all_on); | |
55 | #endif | |
a4bea10e PJ |
56 | module_param_named(all_generic_ide, ide_generic_all, bool, 0444); |
57 | MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers."); | |
b189346c | 58 | |
1da177e4 LT |
59 | static 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 | ||
96 | static ide_pci_device_t generic_chipsets[] __devinitdata = { | |
97 | { /* 0 */ | |
b189346c AC |
98 | .name = "Unknown", |
99 | .init_hwif = init_hwif_generic, | |
100 | .channels = 2, | |
101 | .autodma = AUTODMA, | |
102 | .bootable = ON_BOARD, | |
103 | },{ /* 1 */ | |
1da177e4 LT |
104 | .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, | |
b189346c | 110 | },{ /* 2 */ |
1da177e4 LT |
111 | .name = "SAMURAI", |
112 | .init_hwif = init_hwif_generic, | |
113 | .channels = 2, | |
114 | .autodma = AUTODMA, | |
115 | .bootable = ON_BOARD, | |
b189346c | 116 | },{ /* 3 */ |
1da177e4 LT |
117 | .name = "HT6565", |
118 | .init_hwif = init_hwif_generic, | |
119 | .channels = 2, | |
120 | .autodma = AUTODMA, | |
121 | .bootable = ON_BOARD, | |
b189346c | 122 | },{ /* 4 */ |
1da177e4 LT |
123 | .name = "UM8673F", |
124 | .init_hwif = init_hwif_generic, | |
125 | .channels = 2, | |
126 | .autodma = NODMA, | |
127 | .bootable = ON_BOARD, | |
b189346c | 128 | },{ /* 5 */ |
1da177e4 LT |
129 | .name = "UM8886A", |
130 | .init_hwif = init_hwif_generic, | |
131 | .channels = 2, | |
132 | .autodma = NODMA, | |
133 | .bootable = ON_BOARD, | |
b189346c | 134 | },{ /* 6 */ |
1da177e4 LT |
135 | .name = "UM8886BF", |
136 | .init_hwif = init_hwif_generic, | |
137 | .channels = 2, | |
138 | .autodma = NODMA, | |
139 | .bootable = ON_BOARD, | |
b189346c | 140 | },{ /* 7 */ |
1da177e4 LT |
141 | .name = "HINT_IDE", |
142 | .init_hwif = init_hwif_generic, | |
143 | .channels = 2, | |
144 | .autodma = AUTODMA, | |
145 | .bootable = ON_BOARD, | |
b189346c | 146 | },{ /* 8 */ |
1da177e4 LT |
147 | .name = "VIA_IDE", |
148 | .init_hwif = init_hwif_generic, | |
149 | .channels = 2, | |
150 | .autodma = NOAUTODMA, | |
151 | .bootable = ON_BOARD, | |
b189346c | 152 | },{ /* 9 */ |
1da177e4 LT |
153 | .name = "OPTI621V", |
154 | .init_hwif = init_hwif_generic, | |
155 | .channels = 2, | |
156 | .autodma = NOAUTODMA, | |
157 | .bootable = ON_BOARD, | |
b189346c | 158 | },{ /* 10 */ |
1da177e4 LT |
159 | .name = "VIA8237SATA", |
160 | .init_hwif = init_hwif_generic, | |
161 | .channels = 2, | |
162 | .autodma = AUTODMA, | |
163 | .bootable = OFF_BOARD, | |
b189346c | 164 | },{ /* 11 */ |
1da177e4 LT |
165 | .name = "Piccolo0102", |
166 | .init_hwif = init_hwif_generic, | |
167 | .channels = 2, | |
168 | .autodma = NOAUTODMA, | |
169 | .bootable = ON_BOARD, | |
b189346c | 170 | },{ /* 12 */ |
1da177e4 LT |
171 | .name = "Piccolo0103", |
172 | .init_hwif = init_hwif_generic, | |
173 | .channels = 2, | |
174 | .autodma = NOAUTODMA, | |
175 | .bootable = ON_BOARD, | |
b189346c | 176 | },{ /* 13 */ |
1da177e4 LT |
177 | .name = "Piccolo0105", |
178 | .init_hwif = init_hwif_generic, | |
179 | .channels = 2, | |
180 | .autodma = NOAUTODMA, | |
181 | .bootable = ON_BOARD, | |
2f09a7f4 MG |
182 | },{ /* 14 */ |
183 | .name = "Revolution", | |
184 | .init_hwif = init_hwif_generic, | |
185 | .channels = 2, | |
186 | .autodma = AUTODMA, | |
187 | .bootable = OFF_BOARD, | |
1da177e4 LT |
188 | } |
189 | }; | |
190 | ||
191 | /** | |
192 | * generic_init_one - called when a PIIX is found | |
193 | * @dev: the generic device | |
194 | * @id: the matching pci id | |
195 | * | |
196 | * Called when the PCI registration layer (or the IDE initialization) | |
197 | * finds a device matching our IDE device tables. | |
198 | */ | |
199 | ||
200 | static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id) | |
201 | { | |
202 | ide_pci_device_t *d = &generic_chipsets[id->driver_data]; | |
203 | u16 command; | |
204 | int ret = -ENODEV; | |
205 | ||
b189346c AC |
206 | /* Don't use the generic entry unless instructed to do so */ |
207 | if (id->driver_data == 0 && ide_generic_all == 0) | |
208 | goto out; | |
209 | ||
1da177e4 LT |
210 | if (dev->vendor == PCI_VENDOR_ID_UMC && |
211 | dev->device == PCI_DEVICE_ID_UMC_UM8886A && | |
212 | (!(PCI_FUNC(dev->devfn) & 1))) | |
213 | goto out; /* UM8886A/BF pair */ | |
214 | ||
215 | if (dev->vendor == PCI_VENDOR_ID_OPTI && | |
216 | dev->device == PCI_DEVICE_ID_OPTI_82C558 && | |
217 | (!(PCI_FUNC(dev->devfn) & 1))) | |
218 | goto out; | |
219 | ||
c333526f AC |
220 | if (dev->vendor == PCI_VENDOR_ID_JMICRON) { |
221 | if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && PCI_FUNC(dev->devfn) != 1) | |
222 | goto out; | |
223 | } | |
15e0c694 | 224 | |
3719bc5c AC |
225 | if (dev->vendor != PCI_VENDOR_ID_JMICRON) { |
226 | pci_read_config_word(dev, PCI_COMMAND, &command); | |
227 | if (!(command & PCI_COMMAND_IO)) { | |
228 | printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name); | |
229 | goto out; | |
230 | } | |
1da177e4 LT |
231 | } |
232 | ret = ide_setup_pci_device(dev, d); | |
233 | out: | |
234 | return ret; | |
235 | } | |
236 | ||
237 | static struct pci_device_id generic_pci_tbl[] = { | |
b189346c AC |
238 | { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, |
239 | { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, | |
240 | { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, | |
241 | { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, | |
242 | { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, | |
243 | { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6}, | |
244 | { PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7}, | |
245 | { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8}, | |
246 | { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9}, | |
1da177e4 | 247 | #ifdef CONFIG_BLK_DEV_IDE_SATA |
b189346c | 248 | { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10}, |
1da177e4 | 249 | #endif |
b189346c AC |
250 | { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11}, |
251 | { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12}, | |
252 | { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13}, | |
2f09a7f4 | 253 | { PCI_VENDOR_ID_NETCELL,PCI_DEVICE_ID_REVOLUTION, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14}, |
b189346c AC |
254 | /* Must come last. If you add entries adjust this table appropriately and the init_one code */ |
255 | { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0}, | |
1da177e4 LT |
256 | { 0, }, |
257 | }; | |
258 | MODULE_DEVICE_TABLE(pci, generic_pci_tbl); | |
259 | ||
260 | static struct pci_driver driver = { | |
261 | .name = "PCI_IDE", | |
262 | .id_table = generic_pci_tbl, | |
263 | .probe = generic_init_one, | |
264 | }; | |
265 | ||
266 | static int generic_ide_init(void) | |
267 | { | |
268 | return ide_pci_register_driver(&driver); | |
269 | } | |
270 | ||
271 | module_init(generic_ide_init); | |
272 | ||
273 | MODULE_AUTHOR("Andre Hedrick"); | |
274 | MODULE_DESCRIPTION("PCI driver module for generic PCI IDE"); | |
275 | MODULE_LICENSE("GPL"); |