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 | ||
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 | } | |
d5271be6 | 52 | const __setup("all-generic-ide", ide_generic_all_on); |
3c5473f8 | 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 | |
8acf28c0 | 57 | #define IDE_HFLAGS_UMC (IDE_HFLAG_NO_DMA | IDE_HFLAG_FORCE_LEGACY_IRQS) |
1da177e4 | 58 | |
8acf28c0 | 59 | #define DECLARE_GENERIC_PCI_DEV(name_str, extra_flags) \ |
1c3dd326 BZ |
60 | { \ |
61 | .name = name_str, \ | |
7cab14a7 | 62 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \ |
8acf28c0 | 63 | extra_flags | \ |
7cab14a7 | 64 | IDE_HFLAG_BOOTABLE, \ |
5f8b6c34 BZ |
65 | .swdma_mask = ATA_SWDMA2, \ |
66 | .mwdma_mask = ATA_MWDMA2, \ | |
67 | .udma_mask = ATA_UDMA6, \ | |
1da177e4 | 68 | } |
1da177e4 | 69 | |
85620436 | 70 | static const struct ide_port_info generic_chipsets[] __devinitdata = { |
47b68788 | 71 | /* 0 */ DECLARE_GENERIC_PCI_DEV("Unknown", 0), |
1c3dd326 BZ |
72 | |
73 | { /* 1 */ | |
1da177e4 | 74 | .name = "NS87410", |
1da177e4 | 75 | .enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}}, |
7cab14a7 BZ |
76 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | |
77 | IDE_HFLAG_BOOTABLE, | |
5f8b6c34 BZ |
78 | .swdma_mask = ATA_SWDMA2, |
79 | .mwdma_mask = ATA_MWDMA2, | |
80 | .udma_mask = ATA_UDMA6, | |
1c3dd326 BZ |
81 | }, |
82 | ||
47b68788 BZ |
83 | /* 2 */ DECLARE_GENERIC_PCI_DEV("SAMURAI", 0), |
84 | /* 3 */ DECLARE_GENERIC_PCI_DEV("HT6565", 0), | |
8acf28c0 BZ |
85 | /* 4 */ DECLARE_GENERIC_PCI_DEV("UM8673F", IDE_HFLAGS_UMC), |
86 | /* 5 */ DECLARE_GENERIC_PCI_DEV("UM8886A", IDE_HFLAGS_UMC), | |
87 | /* 6 */ DECLARE_GENERIC_PCI_DEV("UM8886BF", IDE_HFLAGS_UMC), | |
47b68788 BZ |
88 | /* 7 */ DECLARE_GENERIC_PCI_DEV("HINT_IDE", 0), |
89 | /* 8 */ DECLARE_GENERIC_PCI_DEV("VIA_IDE", IDE_HFLAG_NO_AUTODMA), | |
90 | /* 9 */ DECLARE_GENERIC_PCI_DEV("OPTI621V", IDE_HFLAG_NO_AUTODMA), | |
1c3dd326 BZ |
91 | |
92 | { /* 10 */ | |
1da177e4 | 93 | .name = "VIA8237SATA", |
7cab14a7 BZ |
94 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | |
95 | IDE_HFLAG_OFF_BOARD, | |
5f8b6c34 BZ |
96 | .swdma_mask = ATA_SWDMA2, |
97 | .mwdma_mask = ATA_MWDMA2, | |
98 | .udma_mask = ATA_UDMA6, | |
1c3dd326 BZ |
99 | }, |
100 | ||
47b68788 BZ |
101 | /* 11 */ DECLARE_GENERIC_PCI_DEV("Piccolo0102", IDE_HFLAG_NO_AUTODMA), |
102 | /* 12 */ DECLARE_GENERIC_PCI_DEV("Piccolo0103", IDE_HFLAG_NO_AUTODMA), | |
103 | /* 13 */ DECLARE_GENERIC_PCI_DEV("Piccolo0105", IDE_HFLAG_NO_AUTODMA), | |
1c3dd326 BZ |
104 | |
105 | { /* 14 */ | |
2f09a7f4 | 106 | .name = "Revolution", |
7cab14a7 BZ |
107 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | |
108 | IDE_HFLAG_OFF_BOARD, | |
5f8b6c34 BZ |
109 | .swdma_mask = ATA_SWDMA2, |
110 | .mwdma_mask = ATA_MWDMA2, | |
111 | .udma_mask = ATA_UDMA6, | |
1da177e4 LT |
112 | } |
113 | }; | |
114 | ||
115 | /** | |
116 | * generic_init_one - called when a PIIX is found | |
117 | * @dev: the generic device | |
118 | * @id: the matching pci id | |
119 | * | |
120 | * Called when the PCI registration layer (or the IDE initialization) | |
121 | * finds a device matching our IDE device tables. | |
122 | */ | |
123 | ||
124 | static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id) | |
125 | { | |
85620436 | 126 | const struct ide_port_info *d = &generic_chipsets[id->driver_data]; |
1da177e4 LT |
127 | int ret = -ENODEV; |
128 | ||
b189346c AC |
129 | /* Don't use the generic entry unless instructed to do so */ |
130 | if (id->driver_data == 0 && ide_generic_all == 0) | |
131 | goto out; | |
132 | ||
ea307596 JS |
133 | switch (dev->vendor) { |
134 | case PCI_VENDOR_ID_UMC: | |
135 | if (dev->device == PCI_DEVICE_ID_UMC_UM8886A && | |
136 | !(PCI_FUNC(dev->devfn) & 1)) | |
137 | goto out; /* UM8886A/BF pair */ | |
138 | break; | |
139 | case PCI_VENDOR_ID_OPTI: | |
140 | if (dev->device == PCI_DEVICE_ID_OPTI_82C558 && | |
141 | !(PCI_FUNC(dev->devfn) & 1)) | |
142 | goto out; | |
143 | break; | |
144 | case PCI_VENDOR_ID_JMICRON: | |
145 | if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && | |
146 | PCI_FUNC(dev->devfn) != 1) | |
147 | goto out; | |
148 | break; | |
149 | case PCI_VENDOR_ID_NS: | |
150 | if (dev->device == PCI_DEVICE_ID_NS_87410 && | |
151 | (dev->class >> 8) != PCI_CLASS_STORAGE_IDE) | |
c333526f | 152 | goto out; |
ea307596 | 153 | break; |
c333526f | 154 | } |
15e0c694 | 155 | |
3719bc5c | 156 | if (dev->vendor != PCI_VENDOR_ID_JMICRON) { |
ea307596 | 157 | u16 command; |
3719bc5c AC |
158 | pci_read_config_word(dev, PCI_COMMAND, &command); |
159 | if (!(command & PCI_COMMAND_IO)) { | |
ea307596 JS |
160 | printk(KERN_INFO "Skipping disabled %s IDE " |
161 | "controller.\n", d->name); | |
3719bc5c AC |
162 | goto out; |
163 | } | |
1da177e4 LT |
164 | } |
165 | ret = ide_setup_pci_device(dev, d); | |
166 | out: | |
167 | return ret; | |
168 | } | |
169 | ||
9cbcc5e3 BZ |
170 | static const struct pci_device_id generic_pci_tbl[] = { |
171 | { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87410), 1 }, | |
172 | { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), 2 }, | |
173 | { PCI_VDEVICE(HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), 3 }, | |
174 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 4 }, | |
175 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 5 }, | |
176 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 6 }, | |
177 | { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 7 }, | |
178 | { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 8 }, | |
179 | { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 9 }, | |
1da177e4 | 180 | #ifdef CONFIG_BLK_DEV_IDE_SATA |
9cbcc5e3 | 181 | { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 10 }, |
1da177e4 | 182 | #endif |
9cbcc5e3 BZ |
183 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO), 11 }, |
184 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 12 }, | |
185 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 13 }, | |
186 | { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 14 }, | |
187 | /* | |
188 | * Must come last. If you add entries adjust | |
189 | * this table and generic_chipsets[] appropriately. | |
190 | */ | |
191 | { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 }, | |
1da177e4 LT |
192 | { 0, }, |
193 | }; | |
194 | MODULE_DEVICE_TABLE(pci, generic_pci_tbl); | |
195 | ||
196 | static struct pci_driver driver = { | |
197 | .name = "PCI_IDE", | |
198 | .id_table = generic_pci_tbl, | |
199 | .probe = generic_init_one, | |
200 | }; | |
201 | ||
82ab1eec | 202 | static int __init generic_ide_init(void) |
1da177e4 LT |
203 | { |
204 | return ide_pci_register_driver(&driver); | |
205 | } | |
206 | ||
207 | module_init(generic_ide_init); | |
208 | ||
209 | MODULE_AUTHOR("Andre Hedrick"); | |
210 | MODULE_DESCRIPTION("PCI driver module for generic PCI IDE"); | |
211 | MODULE_LICENSE("GPL"); |