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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 | ||
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 |
39 | static 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 | |
46 | static 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 |
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."); | |
b189346c | 56 | |
1da177e4 LT |
57 | static 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; | |
76 | ||
77 | if (!noautodma) | |
78 | hwif->autodma = 1; | |
79 | hwif->drives[0].autodma = hwif->autodma; | |
80 | hwif->drives[1].autodma = hwif->autodma; | |
81 | } | |
82 | ||
83 | #if 0 | |
84 | /* Logic to add back later on */ | |
85 | ||
86 | if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) { | |
87 | ide_pci_device_t *unknown = unknown_chipset; | |
88 | init_setup_unknown(dev, unknown); | |
89 | return 1; | |
90 | } | |
91 | return 0; | |
92 | #endif | |
93 | ||
94 | static ide_pci_device_t generic_chipsets[] __devinitdata = { | |
95 | { /* 0 */ | |
b189346c AC |
96 | .name = "Unknown", |
97 | .init_hwif = init_hwif_generic, | |
b189346c AC |
98 | .autodma = AUTODMA, |
99 | .bootable = ON_BOARD, | |
0ae2e178 | 100 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 101 | },{ /* 1 */ |
1da177e4 LT |
102 | .name = "NS87410", |
103 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
104 | .autodma = AUTODMA, |
105 | .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}}, | |
106 | .bootable = ON_BOARD, | |
0ae2e178 | 107 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 108 | },{ /* 2 */ |
1da177e4 LT |
109 | .name = "SAMURAI", |
110 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
111 | .autodma = AUTODMA, |
112 | .bootable = ON_BOARD, | |
0ae2e178 | 113 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 114 | },{ /* 3 */ |
1da177e4 LT |
115 | .name = "HT6565", |
116 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
117 | .autodma = AUTODMA, |
118 | .bootable = ON_BOARD, | |
0ae2e178 | 119 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 120 | },{ /* 4 */ |
1da177e4 LT |
121 | .name = "UM8673F", |
122 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
123 | .autodma = NODMA, |
124 | .bootable = ON_BOARD, | |
0ae2e178 | 125 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 126 | },{ /* 5 */ |
1da177e4 LT |
127 | .name = "UM8886A", |
128 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
129 | .autodma = NODMA, |
130 | .bootable = ON_BOARD, | |
0ae2e178 | 131 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 132 | },{ /* 6 */ |
1da177e4 LT |
133 | .name = "UM8886BF", |
134 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
135 | .autodma = NODMA, |
136 | .bootable = ON_BOARD, | |
0ae2e178 | 137 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 138 | },{ /* 7 */ |
1da177e4 LT |
139 | .name = "HINT_IDE", |
140 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
141 | .autodma = AUTODMA, |
142 | .bootable = ON_BOARD, | |
0ae2e178 | 143 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 144 | },{ /* 8 */ |
1da177e4 LT |
145 | .name = "VIA_IDE", |
146 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
147 | .autodma = NOAUTODMA, |
148 | .bootable = ON_BOARD, | |
0ae2e178 | 149 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 150 | },{ /* 9 */ |
1da177e4 LT |
151 | .name = "OPTI621V", |
152 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
153 | .autodma = NOAUTODMA, |
154 | .bootable = ON_BOARD, | |
0ae2e178 | 155 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 156 | },{ /* 10 */ |
1da177e4 LT |
157 | .name = "VIA8237SATA", |
158 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
159 | .autodma = AUTODMA, |
160 | .bootable = OFF_BOARD, | |
0ae2e178 | 161 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 162 | },{ /* 11 */ |
1da177e4 LT |
163 | .name = "Piccolo0102", |
164 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
165 | .autodma = NOAUTODMA, |
166 | .bootable = ON_BOARD, | |
0ae2e178 | 167 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 168 | },{ /* 12 */ |
1da177e4 LT |
169 | .name = "Piccolo0103", |
170 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
171 | .autodma = NOAUTODMA, |
172 | .bootable = ON_BOARD, | |
0ae2e178 | 173 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
b189346c | 174 | },{ /* 13 */ |
1da177e4 LT |
175 | .name = "Piccolo0105", |
176 | .init_hwif = init_hwif_generic, | |
1da177e4 LT |
177 | .autodma = NOAUTODMA, |
178 | .bootable = ON_BOARD, | |
0ae2e178 | 179 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
2f09a7f4 MG |
180 | },{ /* 14 */ |
181 | .name = "Revolution", | |
182 | .init_hwif = init_hwif_generic, | |
2f09a7f4 MG |
183 | .autodma = AUTODMA, |
184 | .bootable = OFF_BOARD, | |
0ae2e178 | 185 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
1da177e4 LT |
186 | } |
187 | }; | |
188 | ||
189 | /** | |
190 | * generic_init_one - called when a PIIX is found | |
191 | * @dev: the generic device | |
192 | * @id: the matching pci id | |
193 | * | |
194 | * Called when the PCI registration layer (or the IDE initialization) | |
195 | * finds a device matching our IDE device tables. | |
196 | */ | |
197 | ||
198 | static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id) | |
199 | { | |
200 | ide_pci_device_t *d = &generic_chipsets[id->driver_data]; | |
1da177e4 LT |
201 | int ret = -ENODEV; |
202 | ||
b189346c AC |
203 | /* Don't use the generic entry unless instructed to do so */ |
204 | if (id->driver_data == 0 && ide_generic_all == 0) | |
205 | goto out; | |
206 | ||
ea307596 JS |
207 | switch (dev->vendor) { |
208 | case PCI_VENDOR_ID_UMC: | |
209 | if (dev->device == PCI_DEVICE_ID_UMC_UM8886A && | |
210 | !(PCI_FUNC(dev->devfn) & 1)) | |
211 | goto out; /* UM8886A/BF pair */ | |
212 | break; | |
213 | case PCI_VENDOR_ID_OPTI: | |
214 | if (dev->device == PCI_DEVICE_ID_OPTI_82C558 && | |
215 | !(PCI_FUNC(dev->devfn) & 1)) | |
216 | goto out; | |
217 | break; | |
218 | case PCI_VENDOR_ID_JMICRON: | |
219 | if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && | |
220 | PCI_FUNC(dev->devfn) != 1) | |
221 | goto out; | |
222 | break; | |
223 | case PCI_VENDOR_ID_NS: | |
224 | if (dev->device == PCI_DEVICE_ID_NS_87410 && | |
225 | (dev->class >> 8) != PCI_CLASS_STORAGE_IDE) | |
c333526f | 226 | goto out; |
ea307596 | 227 | break; |
c333526f | 228 | } |
15e0c694 | 229 | |
3719bc5c | 230 | if (dev->vendor != PCI_VENDOR_ID_JMICRON) { |
ea307596 | 231 | u16 command; |
3719bc5c AC |
232 | pci_read_config_word(dev, PCI_COMMAND, &command); |
233 | if (!(command & PCI_COMMAND_IO)) { | |
ea307596 JS |
234 | printk(KERN_INFO "Skipping disabled %s IDE " |
235 | "controller.\n", d->name); | |
3719bc5c AC |
236 | goto out; |
237 | } | |
1da177e4 LT |
238 | } |
239 | ret = ide_setup_pci_device(dev, d); | |
240 | out: | |
241 | return ret; | |
242 | } | |
243 | ||
9cbcc5e3 BZ |
244 | static const struct pci_device_id generic_pci_tbl[] = { |
245 | { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87410), 1 }, | |
246 | { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), 2 }, | |
247 | { PCI_VDEVICE(HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), 3 }, | |
248 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 4 }, | |
249 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 5 }, | |
250 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 6 }, | |
251 | { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 7 }, | |
252 | { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 8 }, | |
253 | { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 9 }, | |
1da177e4 | 254 | #ifdef CONFIG_BLK_DEV_IDE_SATA |
9cbcc5e3 | 255 | { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 10 }, |
1da177e4 | 256 | #endif |
9cbcc5e3 BZ |
257 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO), 11 }, |
258 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 12 }, | |
259 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 13 }, | |
260 | { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 14 }, | |
261 | /* | |
262 | * Must come last. If you add entries adjust | |
263 | * this table and generic_chipsets[] appropriately. | |
264 | */ | |
265 | { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 }, | |
1da177e4 LT |
266 | { 0, }, |
267 | }; | |
268 | MODULE_DEVICE_TABLE(pci, generic_pci_tbl); | |
269 | ||
270 | static struct pci_driver driver = { | |
271 | .name = "PCI_IDE", | |
272 | .id_table = generic_pci_tbl, | |
273 | .probe = generic_init_one, | |
274 | }; | |
275 | ||
82ab1eec | 276 | static int __init generic_ide_init(void) |
1da177e4 LT |
277 | { |
278 | return ide_pci_register_driver(&driver); | |
279 | } | |
280 | ||
281 | module_init(generic_ide_init); | |
282 | ||
283 | MODULE_AUTHOR("Andre Hedrick"); | |
284 | MODULE_DESCRIPTION("PCI driver module for generic PCI IDE"); | |
285 | MODULE_LICENSE("GPL"); |