]>
Commit | Line | Data |
---|---|---|
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 | ||
26 | #include <linux/config.h> /* for CONFIG_BLK_DEV_IDEPCI */ | |
27 | #include <linux/types.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/kernel.h> | |
30 | #include <linux/delay.h> | |
31 | #include <linux/timer.h> | |
32 | #include <linux/mm.h> | |
33 | #include <linux/ioport.h> | |
34 | #include <linux/blkdev.h> | |
35 | #include <linux/hdreg.h> | |
36 | #include <linux/pci.h> | |
37 | #include <linux/ide.h> | |
38 | #include <linux/init.h> | |
39 | ||
40 | #include <asm/io.h> | |
41 | ||
42 | static void __devinit init_hwif_generic (ide_hwif_t *hwif) | |
43 | { | |
44 | switch(hwif->pci_dev->device) { | |
45 | case PCI_DEVICE_ID_UMC_UM8673F: | |
46 | case PCI_DEVICE_ID_UMC_UM8886A: | |
47 | case PCI_DEVICE_ID_UMC_UM8886BF: | |
48 | hwif->irq = hwif->channel ? 15 : 14; | |
49 | break; | |
50 | default: | |
51 | break; | |
52 | } | |
53 | ||
54 | if (!(hwif->dma_base)) | |
55 | return; | |
56 | ||
57 | hwif->atapi_dma = 1; | |
58 | hwif->ultra_mask = 0x7f; | |
59 | hwif->mwdma_mask = 0x07; | |
60 | hwif->swdma_mask = 0x07; | |
61 | ||
62 | if (!noautodma) | |
63 | hwif->autodma = 1; | |
64 | hwif->drives[0].autodma = hwif->autodma; | |
65 | hwif->drives[1].autodma = hwif->autodma; | |
66 | } | |
67 | ||
68 | #if 0 | |
69 | /* Logic to add back later on */ | |
70 | ||
71 | if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) { | |
72 | ide_pci_device_t *unknown = unknown_chipset; | |
73 | init_setup_unknown(dev, unknown); | |
74 | return 1; | |
75 | } | |
76 | return 0; | |
77 | #endif | |
78 | ||
79 | static ide_pci_device_t generic_chipsets[] __devinitdata = { | |
80 | { /* 0 */ | |
81 | .name = "NS87410", | |
82 | .init_hwif = init_hwif_generic, | |
83 | .channels = 2, | |
84 | .autodma = AUTODMA, | |
85 | .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}}, | |
86 | .bootable = ON_BOARD, | |
87 | },{ /* 1 */ | |
88 | .name = "SAMURAI", | |
89 | .init_hwif = init_hwif_generic, | |
90 | .channels = 2, | |
91 | .autodma = AUTODMA, | |
92 | .bootable = ON_BOARD, | |
93 | },{ /* 2 */ | |
94 | .name = "HT6565", | |
95 | .init_hwif = init_hwif_generic, | |
96 | .channels = 2, | |
97 | .autodma = AUTODMA, | |
98 | .bootable = ON_BOARD, | |
99 | },{ /* 3 */ | |
100 | .name = "UM8673F", | |
101 | .init_hwif = init_hwif_generic, | |
102 | .channels = 2, | |
103 | .autodma = NODMA, | |
104 | .bootable = ON_BOARD, | |
105 | },{ /* 4 */ | |
106 | .name = "UM8886A", | |
107 | .init_hwif = init_hwif_generic, | |
108 | .channels = 2, | |
109 | .autodma = NODMA, | |
110 | .bootable = ON_BOARD, | |
111 | },{ /* 5 */ | |
112 | .name = "UM8886BF", | |
113 | .init_hwif = init_hwif_generic, | |
114 | .channels = 2, | |
115 | .autodma = NODMA, | |
116 | .bootable = ON_BOARD, | |
117 | },{ /* 6 */ | |
118 | .name = "HINT_IDE", | |
119 | .init_hwif = init_hwif_generic, | |
120 | .channels = 2, | |
121 | .autodma = AUTODMA, | |
122 | .bootable = ON_BOARD, | |
123 | },{ /* 7 */ | |
124 | .name = "VIA_IDE", | |
125 | .init_hwif = init_hwif_generic, | |
126 | .channels = 2, | |
127 | .autodma = NOAUTODMA, | |
128 | .bootable = ON_BOARD, | |
129 | },{ /* 8 */ | |
130 | .name = "OPTI621V", | |
131 | .init_hwif = init_hwif_generic, | |
132 | .channels = 2, | |
133 | .autodma = NOAUTODMA, | |
134 | .bootable = ON_BOARD, | |
135 | },{ /* 9 */ | |
136 | .name = "VIA8237SATA", | |
137 | .init_hwif = init_hwif_generic, | |
138 | .channels = 2, | |
139 | .autodma = AUTODMA, | |
140 | .bootable = OFF_BOARD, | |
141 | },{ /* 10 */ | |
142 | .name = "Piccolo0102", | |
143 | .init_hwif = init_hwif_generic, | |
144 | .channels = 2, | |
145 | .autodma = NOAUTODMA, | |
146 | .bootable = ON_BOARD, | |
147 | },{ /* 11 */ | |
148 | .name = "Piccolo0103", | |
149 | .init_hwif = init_hwif_generic, | |
150 | .channels = 2, | |
151 | .autodma = NOAUTODMA, | |
152 | .bootable = ON_BOARD, | |
153 | },{ /* 12 */ | |
154 | .name = "Piccolo0105", | |
155 | .init_hwif = init_hwif_generic, | |
156 | .channels = 2, | |
157 | .autodma = NOAUTODMA, | |
158 | .bootable = ON_BOARD, | |
159 | } | |
160 | }; | |
161 | ||
162 | /** | |
163 | * generic_init_one - called when a PIIX is found | |
164 | * @dev: the generic device | |
165 | * @id: the matching pci id | |
166 | * | |
167 | * Called when the PCI registration layer (or the IDE initialization) | |
168 | * finds a device matching our IDE device tables. | |
169 | */ | |
170 | ||
171 | static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id) | |
172 | { | |
173 | ide_pci_device_t *d = &generic_chipsets[id->driver_data]; | |
174 | u16 command; | |
175 | int ret = -ENODEV; | |
176 | ||
177 | if (dev->vendor == PCI_VENDOR_ID_UMC && | |
178 | dev->device == PCI_DEVICE_ID_UMC_UM8886A && | |
179 | (!(PCI_FUNC(dev->devfn) & 1))) | |
180 | goto out; /* UM8886A/BF pair */ | |
181 | ||
182 | if (dev->vendor == PCI_VENDOR_ID_OPTI && | |
183 | dev->device == PCI_DEVICE_ID_OPTI_82C558 && | |
184 | (!(PCI_FUNC(dev->devfn) & 1))) | |
185 | goto out; | |
186 | ||
187 | pci_read_config_word(dev, PCI_COMMAND, &command); | |
188 | if (!(command & PCI_COMMAND_IO)) { | |
189 | printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name); | |
190 | goto out; | |
191 | } | |
192 | ret = ide_setup_pci_device(dev, d); | |
193 | out: | |
194 | return ret; | |
195 | } | |
196 | ||
197 | static struct pci_device_id generic_pci_tbl[] = { | |
198 | { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
199 | { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, | |
200 | { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, | |
201 | { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, | |
202 | { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, | |
203 | { PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, | |
204 | { PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6}, | |
205 | { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7}, | |
206 | { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8}, | |
207 | #ifdef CONFIG_BLK_DEV_IDE_SATA | |
208 | { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9}, | |
209 | #endif | |
210 | { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10}, | |
211 | { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11}, | |
212 | { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12}, | |
213 | { 0, }, | |
214 | }; | |
215 | MODULE_DEVICE_TABLE(pci, generic_pci_tbl); | |
216 | ||
217 | static struct pci_driver driver = { | |
218 | .name = "PCI_IDE", | |
219 | .id_table = generic_pci_tbl, | |
220 | .probe = generic_init_one, | |
221 | }; | |
222 | ||
223 | static int generic_ide_init(void) | |
224 | { | |
225 | return ide_pci_register_driver(&driver); | |
226 | } | |
227 | ||
228 | module_init(generic_ide_init); | |
229 | ||
230 | MODULE_AUTHOR("Andre Hedrick"); | |
231 | MODULE_DESCRIPTION("PCI driver module for generic PCI IDE"); | |
232 | MODULE_LICENSE("GPL"); |