Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 | 2 | * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org> |
ccd32e22 | 3 | * Portions (C) Copyright 2002 Red Hat Inc |
1da177e4 LT |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the | |
7 | * Free Software Foundation; either version 2, or (at your option) any | |
8 | * later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * For the avoidance of doubt the "preferred form" of this code is one which | |
16 | * is in an open non patent encumbered format. Where cryptographic key signing | |
17 | * forms part of the process of creating an executable the information | |
18 | * including keys needed to generate an equivalently functional executable | |
19 | * are deemed to be part of the source code. | |
20 | */ | |
21 | ||
1da177e4 LT |
22 | #include <linux/types.h> |
23 | #include <linux/module.h> | |
24 | #include <linux/kernel.h> | |
1da177e4 LT |
25 | #include <linux/pci.h> |
26 | #include <linux/ide.h> | |
27 | #include <linux/init.h> | |
28 | ||
ced3ec8a BZ |
29 | #define DRV_NAME "ide_pci_generic" |
30 | ||
b189346c AC |
31 | static int ide_generic_all; /* Set to claim all devices */ |
32 | ||
a4bea10e PJ |
33 | module_param_named(all_generic_ide, ide_generic_all, bool, 0444); |
34 | MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers."); | |
b189346c | 35 | |
8acf28c0 | 36 | #define IDE_HFLAGS_UMC (IDE_HFLAG_NO_DMA | IDE_HFLAG_FORCE_LEGACY_IRQS) |
1da177e4 | 37 | |
ced3ec8a | 38 | #define DECLARE_GENERIC_PCI_DEV(extra_flags) \ |
1c3dd326 | 39 | { \ |
ced3ec8a | 40 | .name = DRV_NAME, \ |
7cab14a7 | 41 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \ |
5e71d9c5 | 42 | extra_flags, \ |
5f8b6c34 BZ |
43 | .swdma_mask = ATA_SWDMA2, \ |
44 | .mwdma_mask = ATA_MWDMA2, \ | |
45 | .udma_mask = ATA_UDMA6, \ | |
1da177e4 | 46 | } |
1da177e4 | 47 | |
85620436 | 48 | static const struct ide_port_info generic_chipsets[] __devinitdata = { |
ced3ec8a BZ |
49 | /* 0: Unknown */ |
50 | DECLARE_GENERIC_PCI_DEV(0), | |
1c3dd326 | 51 | |
ced3ec8a BZ |
52 | { /* 1: NS87410 */ |
53 | .name = DRV_NAME, | |
17deabdc | 54 | .enablebits = { {0x43, 0x08, 0x08}, {0x47, 0x08, 0x08} }, |
5e71d9c5 | 55 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
5f8b6c34 BZ |
56 | .swdma_mask = ATA_SWDMA2, |
57 | .mwdma_mask = ATA_MWDMA2, | |
58 | .udma_mask = ATA_UDMA6, | |
1c3dd326 BZ |
59 | }, |
60 | ||
ced3ec8a BZ |
61 | /* 2: SAMURAI / HT6565 / HINT_IDE */ |
62 | DECLARE_GENERIC_PCI_DEV(0), | |
63 | /* 3: UM8673F / UM8886A / UM8886BF */ | |
64 | DECLARE_GENERIC_PCI_DEV(IDE_HFLAGS_UMC), | |
65 | /* 4: VIA_IDE / OPTI621V / Piccolo010{2,3,5} */ | |
66 | DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_AUTODMA), | |
67 | ||
68 | { /* 5: VIA8237SATA */ | |
69 | .name = DRV_NAME, | |
7cab14a7 BZ |
70 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | |
71 | IDE_HFLAG_OFF_BOARD, | |
5f8b6c34 BZ |
72 | .swdma_mask = ATA_SWDMA2, |
73 | .mwdma_mask = ATA_MWDMA2, | |
74 | .udma_mask = ATA_UDMA6, | |
1c3dd326 BZ |
75 | }, |
76 | ||
ced3ec8a BZ |
77 | { /* 6: Revolution */ |
78 | .name = DRV_NAME, | |
8ac2b42a BZ |
79 | .host_flags = IDE_HFLAG_CLEAR_SIMPLEX | |
80 | IDE_HFLAG_TRUST_BIOS_FOR_DMA | | |
7cab14a7 | 81 | IDE_HFLAG_OFF_BOARD, |
5f8b6c34 BZ |
82 | .swdma_mask = ATA_SWDMA2, |
83 | .mwdma_mask = ATA_MWDMA2, | |
84 | .udma_mask = ATA_UDMA6, | |
1da177e4 LT |
85 | } |
86 | }; | |
87 | ||
88 | /** | |
89 | * generic_init_one - called when a PIIX is found | |
90 | * @dev: the generic device | |
91 | * @id: the matching pci id | |
92 | * | |
93 | * Called when the PCI registration layer (or the IDE initialization) | |
94 | * finds a device matching our IDE device tables. | |
95 | */ | |
17deabdc | 96 | |
1da177e4 LT |
97 | static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
98 | { | |
85620436 | 99 | const struct ide_port_info *d = &generic_chipsets[id->driver_data]; |
1da177e4 LT |
100 | int ret = -ENODEV; |
101 | ||
b189346c AC |
102 | /* Don't use the generic entry unless instructed to do so */ |
103 | if (id->driver_data == 0 && ide_generic_all == 0) | |
104 | goto out; | |
105 | ||
ea307596 JS |
106 | switch (dev->vendor) { |
107 | case PCI_VENDOR_ID_UMC: | |
108 | if (dev->device == PCI_DEVICE_ID_UMC_UM8886A && | |
109 | !(PCI_FUNC(dev->devfn) & 1)) | |
110 | goto out; /* UM8886A/BF pair */ | |
111 | break; | |
112 | case PCI_VENDOR_ID_OPTI: | |
113 | if (dev->device == PCI_DEVICE_ID_OPTI_82C558 && | |
114 | !(PCI_FUNC(dev->devfn) & 1)) | |
115 | goto out; | |
116 | break; | |
117 | case PCI_VENDOR_ID_JMICRON: | |
118 | if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && | |
119 | PCI_FUNC(dev->devfn) != 1) | |
120 | goto out; | |
121 | break; | |
122 | case PCI_VENDOR_ID_NS: | |
123 | if (dev->device == PCI_DEVICE_ID_NS_87410 && | |
124 | (dev->class >> 8) != PCI_CLASS_STORAGE_IDE) | |
c333526f | 125 | goto out; |
ea307596 | 126 | break; |
c333526f | 127 | } |
15e0c694 | 128 | |
3719bc5c | 129 | if (dev->vendor != PCI_VENDOR_ID_JMICRON) { |
ea307596 | 130 | u16 command; |
3719bc5c AC |
131 | pci_read_config_word(dev, PCI_COMMAND, &command); |
132 | if (!(command & PCI_COMMAND_IO)) { | |
28cfd8af BZ |
133 | printk(KERN_INFO "%s %s: skipping disabled " |
134 | "controller\n", d->name, pci_name(dev)); | |
3719bc5c AC |
135 | goto out; |
136 | } | |
1da177e4 | 137 | } |
6cdf6eb3 | 138 | ret = ide_pci_init_one(dev, d, NULL); |
1da177e4 LT |
139 | out: |
140 | return ret; | |
141 | } | |
142 | ||
9cbcc5e3 BZ |
143 | static const struct pci_device_id generic_pci_tbl[] = { |
144 | { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87410), 1 }, | |
145 | { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), 2 }, | |
ced3ec8a BZ |
146 | { PCI_VDEVICE(HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), 2 }, |
147 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 3 }, | |
148 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 3 }, | |
149 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 3 }, | |
150 | { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 2 }, | |
151 | { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 4 }, | |
152 | { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 4 }, | |
1da177e4 | 153 | #ifdef CONFIG_BLK_DEV_IDE_SATA |
ced3ec8a | 154 | { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 5 }, |
1da177e4 | 155 | #endif |
ced3ec8a BZ |
156 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO), 4 }, |
157 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 4 }, | |
158 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 4 }, | |
159 | { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 6 }, | |
9cbcc5e3 BZ |
160 | /* |
161 | * Must come last. If you add entries adjust | |
162 | * this table and generic_chipsets[] appropriately. | |
163 | */ | |
164 | { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 }, | |
1da177e4 LT |
165 | { 0, }, |
166 | }; | |
167 | MODULE_DEVICE_TABLE(pci, generic_pci_tbl); | |
168 | ||
a9ab09e2 | 169 | static struct pci_driver generic_pci_driver = { |
1da177e4 LT |
170 | .name = "PCI_IDE", |
171 | .id_table = generic_pci_tbl, | |
172 | .probe = generic_init_one, | |
f566bcae | 173 | .remove = ide_pci_remove, |
feb22b7f BZ |
174 | .suspend = ide_pci_suspend, |
175 | .resume = ide_pci_resume, | |
1da177e4 LT |
176 | }; |
177 | ||
82ab1eec | 178 | static int __init generic_ide_init(void) |
1da177e4 | 179 | { |
a9ab09e2 | 180 | return ide_pci_register_driver(&generic_pci_driver); |
1da177e4 LT |
181 | } |
182 | ||
f566bcae BZ |
183 | static void __exit generic_ide_exit(void) |
184 | { | |
a9ab09e2 | 185 | pci_unregister_driver(&generic_pci_driver); |
f566bcae BZ |
186 | } |
187 | ||
1da177e4 | 188 | module_init(generic_ide_init); |
f566bcae | 189 | module_exit(generic_ide_exit); |
1da177e4 LT |
190 | |
191 | MODULE_AUTHOR("Andre Hedrick"); | |
192 | MODULE_DESCRIPTION("PCI driver module for generic PCI IDE"); | |
193 | MODULE_LICENSE("GPL"); |