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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
Alan Coxccd32e22008-11-02 21:40:08 +01003 * Portions (C) Copyright 2002 Red Hat Inc
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include <linux/types.h>
23#include <linux/module.h>
24#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#include <linux/pci.h>
26#include <linux/ide.h>
27#include <linux/init.h>
28
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020029#define DRV_NAME "ide_pci_generic"
30
Alan Coxb1893462005-06-27 15:24:26 -070031static int ide_generic_all; /* Set to claim all devices */
32
Patrick Jeffersona4bea102006-10-03 01:14:34 -070033module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
34MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
Alan Coxb1893462005-06-27 15:24:26 -070035
Bartlomiej Zolnierkiewiczc339dfd2009-05-30 20:06:54 +020036static void netcell_quirkproc(ide_drive_t *drive)
37{
38 /* mark words 85-87 as valid */
39 drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000;
40}
41
42static const struct ide_port_ops netcell_port_ops = {
43 .quirkproc = netcell_quirkproc,
44};
45
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020046#define DECLARE_GENERIC_PCI_DEV(extra_flags) \
Bartlomiej Zolnierkiewicz1c3dd322007-10-19 00:30:06 +020047 { \
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020048 .name = DRV_NAME, \
Bartlomiej Zolnierkiewicz7cab14a2007-10-19 00:30:06 +020049 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \
Bartlomiej Zolnierkiewicz5e71d9c2008-04-26 17:36:35 +020050 extra_flags, \
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +020051 .swdma_mask = ATA_SWDMA2, \
52 .mwdma_mask = ATA_MWDMA2, \
53 .udma_mask = ATA_UDMA6, \
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
Bartlomiej Zolnierkiewicz85620432007-10-20 00:32:34 +020056static const struct ide_port_info generic_chipsets[] __devinitdata = {
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020057 /* 0: Unknown */
58 DECLARE_GENERIC_PCI_DEV(0),
Bartlomiej Zolnierkiewicz1c3dd322007-10-19 00:30:06 +020059
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020060 { /* 1: NS87410 */
61 .name = DRV_NAME,
Paolo Ciarrocchi17deabd2008-04-26 17:36:40 +020062 .enablebits = { {0x43, 0x08, 0x08}, {0x47, 0x08, 0x08} },
Bartlomiej Zolnierkiewicz5e71d9c2008-04-26 17:36:35 +020063 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +020064 .swdma_mask = ATA_SWDMA2,
65 .mwdma_mask = ATA_MWDMA2,
66 .udma_mask = ATA_UDMA6,
Bartlomiej Zolnierkiewicz1c3dd322007-10-19 00:30:06 +020067 },
68
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020069 /* 2: SAMURAI / HT6565 / HINT_IDE */
70 DECLARE_GENERIC_PCI_DEV(0),
71 /* 3: UM8673F / UM8886A / UM8886BF */
Bartlomiej Zolnierkiewicz24679222009-03-24 23:22:52 +010072 DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_DMA),
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020073 /* 4: VIA_IDE / OPTI621V / Piccolo010{2,3,5} */
74 DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_AUTODMA),
Bartlomiej Zolnierkiewicz1c3dd322007-10-19 00:30:06 +020075
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020076 { /* 5: VIA8237SATA */
77 .name = DRV_NAME,
Bartlomiej Zolnierkiewicz7cab14a2007-10-19 00:30:06 +020078 .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
79 IDE_HFLAG_OFF_BOARD,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +020080 .swdma_mask = ATA_SWDMA2,
81 .mwdma_mask = ATA_MWDMA2,
82 .udma_mask = ATA_UDMA6,
Bartlomiej Zolnierkiewicz1c3dd322007-10-19 00:30:06 +020083 },
84
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020085 { /* 6: Revolution */
86 .name = DRV_NAME,
Bartlomiej Zolnierkiewiczc339dfd2009-05-30 20:06:54 +020087 .port_ops = &netcell_port_ops,
Bartlomiej Zolnierkiewicz8ac2b42a2008-02-01 23:09:30 +010088 .host_flags = IDE_HFLAG_CLEAR_SIMPLEX |
89 IDE_HFLAG_TRUST_BIOS_FOR_DMA |
Bartlomiej Zolnierkiewicz7cab14a2007-10-19 00:30:06 +020090 IDE_HFLAG_OFF_BOARD,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +020091 .swdma_mask = ATA_SWDMA2,
92 .mwdma_mask = ATA_MWDMA2,
93 .udma_mask = ATA_UDMA6,
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 }
95};
96
97/**
98 * generic_init_one - called when a PIIX is found
99 * @dev: the generic device
100 * @id: the matching pci id
101 *
102 * Called when the PCI registration layer (or the IDE initialization)
103 * finds a device matching our IDE device tables.
104 */
Paolo Ciarrocchi17deabd2008-04-26 17:36:40 +0200105
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
107{
Bartlomiej Zolnierkiewicz85620432007-10-20 00:32:34 +0200108 const struct ide_port_info *d = &generic_chipsets[id->driver_data];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109 int ret = -ENODEV;
110
Alan Coxb1893462005-06-27 15:24:26 -0700111 /* Don't use the generic entry unless instructed to do so */
112 if (id->driver_data == 0 && ide_generic_all == 0)
113 goto out;
114
Jiri Slabyea307592007-06-08 15:14:31 +0200115 switch (dev->vendor) {
116 case PCI_VENDOR_ID_UMC:
117 if (dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
118 !(PCI_FUNC(dev->devfn) & 1))
119 goto out; /* UM8886A/BF pair */
120 break;
121 case PCI_VENDOR_ID_OPTI:
122 if (dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
123 !(PCI_FUNC(dev->devfn) & 1))
Alan Coxc3335262006-10-28 10:38:57 -0700124 goto out;
Jiri Slabyea307592007-06-08 15:14:31 +0200125 break;
126 case PCI_VENDOR_ID_JMICRON:
127 if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 &&
128 PCI_FUNC(dev->devfn) != 1)
129 goto out;
130 break;
131 case PCI_VENDOR_ID_NS:
132 if (dev->device == PCI_DEVICE_ID_NS_87410 &&
133 (dev->class >> 8) != PCI_CLASS_STORAGE_IDE)
134 goto out;
135 break;
Alan Coxc3335262006-10-28 10:38:57 -0700136 }
Alan Cox15e0c692006-07-12 15:05:41 +0100137
Alan Cox3719bc52006-10-11 01:21:47 -0700138 if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
Jiri Slabyea307592007-06-08 15:14:31 +0200139 u16 command;
Alan Cox3719bc52006-10-11 01:21:47 -0700140 pci_read_config_word(dev, PCI_COMMAND, &command);
141 if (!(command & PCI_COMMAND_IO)) {
Bartlomiej Zolnierkiewicz28cfd8a2008-07-24 22:53:31 +0200142 printk(KERN_INFO "%s %s: skipping disabled "
143 "controller\n", d->name, pci_name(dev));
Alan Cox3719bc52006-10-11 01:21:47 -0700144 goto out;
145 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 }
Bartlomiej Zolnierkiewicz6cdf6eb2008-07-24 22:53:14 +0200147 ret = ide_pci_init_one(dev, d, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148out:
149 return ret;
150}
151
Bartlomiej Zolnierkiewicz9cbcc5e2007-10-16 22:29:56 +0200152static const struct pci_device_id generic_pci_tbl[] = {
153 { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87410), 1 },
154 { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), 2 },
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +0200155 { PCI_VDEVICE(HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), 2 },
156 { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 3 },
157 { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 3 },
158 { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 3 },
159 { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 2 },
160 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 4 },
161 { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 4 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162#ifdef CONFIG_BLK_DEV_IDE_SATA
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +0200163 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 5 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164#endif
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +0200165 { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO), 4 },
166 { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 4 },
167 { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 4 },
168 { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 6 },
Bartlomiej Zolnierkiewicz9cbcc5e2007-10-16 22:29:56 +0200169 /*
170 * Must come last. If you add entries adjust
171 * this table and generic_chipsets[] appropriately.
172 */
173 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174 { 0, },
175};
176MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
177
Bartlomiej Zolnierkiewicza9ab09e2008-10-13 21:39:41 +0200178static struct pci_driver generic_pci_driver = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179 .name = "PCI_IDE",
180 .id_table = generic_pci_tbl,
181 .probe = generic_init_one,
Bartlomiej Zolnierkiewiczf566bca2008-07-24 22:53:21 +0200182 .remove = ide_pci_remove,
Bartlomiej Zolnierkiewiczfeb22b72008-10-10 22:39:32 +0200183 .suspend = ide_pci_suspend,
184 .resume = ide_pci_resume,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185};
186
Bartlomiej Zolnierkiewicz82ab1ee2007-01-27 13:46:56 +0100187static int __init generic_ide_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188{
Bartlomiej Zolnierkiewicza9ab09e2008-10-13 21:39:41 +0200189 return ide_pci_register_driver(&generic_pci_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190}
191
Bartlomiej Zolnierkiewiczf566bca2008-07-24 22:53:21 +0200192static void __exit generic_ide_exit(void)
193{
Bartlomiej Zolnierkiewicza9ab09e2008-10-13 21:39:41 +0200194 pci_unregister_driver(&generic_pci_driver);
Bartlomiej Zolnierkiewiczf566bca2008-07-24 22:53:21 +0200195}
196
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197module_init(generic_ide_init);
Bartlomiej Zolnierkiewiczf566bca2008-07-24 22:53:21 +0200198module_exit(generic_ide_exit);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199
200MODULE_AUTHOR("Andre Hedrick");
201MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
202MODULE_LICENSE("GPL");