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-rw-r--r--drivers/ide/pci/generic.c232
1 files changed, 232 insertions, 0 deletions
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
new file mode 100644
index 000000000000..4565cc311ff3
--- /dev/null
+++ b/drivers/ide/pci/generic.c
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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
42static 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
79static 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
171static 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);
193out:
194 return ret;
195}
196
197static 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};
215MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
216
217static struct pci_driver driver = {
218 .name = "PCI_IDE",
219 .id_table = generic_pci_tbl,
220 .probe = generic_init_one,
221};
222
223static int generic_ide_init(void)
224{
225 return ide_pci_register_driver(&driver);
226}
227
228module_init(generic_ide_init);
229
230MODULE_AUTHOR("Andre Hedrick");
231MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
232MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-24 13:48:34 -0500