0cb7b9b520ea198e2ca487686788620ab5ca5006
[linux-3.10.git] / drivers / ide / pci / generic.c
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 int ide_generic_all;             /* Set to claim all devices */
43
44 module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
45 MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
46
47 static void __devinit init_hwif_generic (ide_hwif_t *hwif)
48 {
49         switch(hwif->pci_dev->device) {
50                 case PCI_DEVICE_ID_UMC_UM8673F:
51                 case PCI_DEVICE_ID_UMC_UM8886A:
52                 case PCI_DEVICE_ID_UMC_UM8886BF:
53                         hwif->irq = hwif->channel ? 15 : 14;
54                         break;
55                 default:
56                         break;
57         }
58
59         if (!(hwif->dma_base))
60                 return;
61
62         hwif->atapi_dma = 1;
63         hwif->ultra_mask = 0x7f;
64         hwif->mwdma_mask = 0x07;
65         hwif->swdma_mask = 0x07;
66
67         if (!noautodma)
68                 hwif->autodma = 1;
69         hwif->drives[0].autodma = hwif->autodma;
70         hwif->drives[1].autodma = hwif->autodma;
71 }
72
73 #if 0
74         /* Logic to add back later on */
75
76         if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
77                 ide_pci_device_t *unknown = unknown_chipset;
78                 init_setup_unknown(dev, unknown);
79                 return 1;
80         }
81         return 0;
82 #endif  
83
84 static ide_pci_device_t generic_chipsets[] __devinitdata = {
85         {       /* 0 */
86                 .name           = "Unknown",
87                 .init_hwif      = init_hwif_generic,
88                 .channels       = 2,
89                 .autodma        = AUTODMA,
90                 .bootable       = ON_BOARD,
91         },{     /* 1 */
92                 .name           = "NS87410",
93                 .init_hwif      = init_hwif_generic,
94                 .channels       = 2,
95                 .autodma        = AUTODMA,
96                 .enablebits     = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
97                 .bootable       = ON_BOARD,
98         },{     /* 2 */
99                 .name           = "SAMURAI",
100                 .init_hwif      = init_hwif_generic,
101                 .channels       = 2,
102                 .autodma        = AUTODMA,
103                 .bootable       = ON_BOARD,
104         },{     /* 3 */
105                 .name           = "HT6565",
106                 .init_hwif      = init_hwif_generic,
107                 .channels       = 2,
108                 .autodma        = AUTODMA,
109                 .bootable       = ON_BOARD,
110         },{     /* 4 */
111                 .name           = "UM8673F",
112                 .init_hwif      = init_hwif_generic,
113                 .channels       = 2,
114                 .autodma        = NODMA,
115                 .bootable       = ON_BOARD,
116         },{     /* 5 */
117                 .name           = "UM8886A",
118                 .init_hwif      = init_hwif_generic,
119                 .channels       = 2,
120                 .autodma        = NODMA,
121                 .bootable       = ON_BOARD,
122         },{     /* 6 */
123                 .name           = "UM8886BF",
124                 .init_hwif      = init_hwif_generic,
125                 .channels       = 2,
126                 .autodma        = NODMA,
127                 .bootable       = ON_BOARD,
128         },{     /* 7 */
129                 .name           = "HINT_IDE",
130                 .init_hwif      = init_hwif_generic,
131                 .channels       = 2,
132                 .autodma        = AUTODMA,
133                 .bootable       = ON_BOARD,
134         },{     /* 8 */
135                 .name           = "VIA_IDE",
136                 .init_hwif      = init_hwif_generic,
137                 .channels       = 2,
138                 .autodma        = NOAUTODMA,
139                 .bootable       = ON_BOARD,
140         },{     /* 9 */
141                 .name           = "OPTI621V",
142                 .init_hwif      = init_hwif_generic,
143                 .channels       = 2,
144                 .autodma        = NOAUTODMA,
145                 .bootable       = ON_BOARD,
146         },{     /* 10 */
147                 .name           = "VIA8237SATA",
148                 .init_hwif      = init_hwif_generic,
149                 .channels       = 2,
150                 .autodma        = AUTODMA,
151                 .bootable       = OFF_BOARD,
152         },{     /* 11 */
153                 .name           = "Piccolo0102",
154                 .init_hwif      = init_hwif_generic,
155                 .channels       = 2,
156                 .autodma        = NOAUTODMA,
157                 .bootable       = ON_BOARD,
158         },{     /* 12 */
159                 .name           = "Piccolo0103",
160                 .init_hwif      = init_hwif_generic,
161                 .channels       = 2,
162                 .autodma        = NOAUTODMA,
163                 .bootable       = ON_BOARD,
164         },{     /* 13 */
165                 .name           = "Piccolo0105",
166                 .init_hwif      = init_hwif_generic,
167                 .channels       = 2,
168                 .autodma        = NOAUTODMA,
169                 .bootable       = ON_BOARD,
170         },{     /* 14 */
171                 .name           = "Revolution",
172                 .init_hwif      = init_hwif_generic,
173                 .channels       = 2,
174                 .autodma        = AUTODMA,
175                 .bootable       = OFF_BOARD,
176         },{     /* 15 */
177                 .name           = "JMB361",
178                 .init_hwif      = init_hwif_generic,
179                 .channels       = 2,
180                 .autodma        = AUTODMA,
181                 .bootable       = OFF_BOARD,
182         },{     /* 16 */
183                 .name           = "JMB363",
184                 .init_hwif      = init_hwif_generic,
185                 .channels       = 2,
186                 .autodma        = AUTODMA,
187                 .bootable       = OFF_BOARD,
188         },{     /* 17 */
189                 .name           = "JMB365",
190                 .init_hwif      = init_hwif_generic,
191                 .channels       = 2,
192                 .autodma        = AUTODMA,
193                 .bootable       = OFF_BOARD,
194         },{     /* 18 */
195                 .name           = "JMB366",
196                 .init_hwif      = init_hwif_generic,
197                 .channels       = 2,
198                 .autodma        = AUTODMA,
199                 .bootable       = OFF_BOARD,
200         },{     /* 19 */
201                 .name           = "JMB368",
202                 .init_hwif      = init_hwif_generic,
203                 .channels       = 2,
204                 .autodma        = AUTODMA,
205                 .bootable       = OFF_BOARD,
206         }
207 };
208
209 /**
210  *      generic_init_one        -       called when a PIIX is found
211  *      @dev: the generic device
212  *      @id: the matching pci id
213  *
214  *      Called when the PCI registration layer (or the IDE initialization)
215  *      finds a device matching our IDE device tables.
216  */
217  
218 static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
219 {
220         ide_pci_device_t *d = &generic_chipsets[id->driver_data];
221         u16 command;
222         int ret = -ENODEV;
223
224         /* Don't use the generic entry unless instructed to do so */
225         if (id->driver_data == 0 && ide_generic_all == 0)
226                         goto out;
227
228         if (dev->vendor == PCI_VENDOR_ID_UMC &&
229             dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
230             (!(PCI_FUNC(dev->devfn) & 1)))
231                 goto out; /* UM8886A/BF pair */
232
233         if (dev->vendor == PCI_VENDOR_ID_OPTI &&
234             dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
235             (!(PCI_FUNC(dev->devfn) & 1)))
236                 goto out;
237
238         if (dev->vendor == PCI_VENDOR_ID_JMICRON && PCI_FUNC(dev->devfn) != 1)
239                 goto out;
240
241         pci_read_config_word(dev, PCI_COMMAND, &command);
242         if (!(command & PCI_COMMAND_IO)) {
243                 printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
244                 goto out;
245         }
246         ret = ide_setup_pci_device(dev, d);
247 out:
248         return ret;
249 }
250
251 static struct pci_device_id generic_pci_tbl[] = {
252         { PCI_VENDOR_ID_NS,     PCI_DEVICE_ID_NS_87410,            PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
253         { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
254         { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565,         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
255         { PCI_VENDOR_ID_UMC,    PCI_DEVICE_ID_UMC_UM8673F,         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
256         { PCI_VENDOR_ID_UMC,    PCI_DEVICE_ID_UMC_UM8886A,         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
257         { PCI_VENDOR_ID_UMC,    PCI_DEVICE_ID_UMC_UM8886BF,        PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
258         { PCI_VENDOR_ID_HINT,   PCI_DEVICE_ID_HINT_VXPROII_IDE,    PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7},
259         { PCI_VENDOR_ID_VIA,    PCI_DEVICE_ID_VIA_82C561,          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8},
260         { PCI_VENDOR_ID_OPTI,   PCI_DEVICE_ID_OPTI_82C558,         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9},
261 #ifdef CONFIG_BLK_DEV_IDE_SATA
262         { PCI_VENDOR_ID_VIA,    PCI_DEVICE_ID_VIA_8237_SATA,       PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10},
263 #endif
264         { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11},
265         { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1,   PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12},
266         { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2,   PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13},
267         { PCI_VENDOR_ID_NETCELL,PCI_DEVICE_ID_REVOLUTION,          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14},
268         { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB361,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15},
269         { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB363,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16},
270         { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB365,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17},
271         { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB366,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18},
272         { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB368,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19},
273         /* Must come last. If you add entries adjust this table appropriately and the init_one code */
274         { PCI_ANY_ID,           PCI_ANY_ID,                        PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0},
275         { 0, },
276 };
277 MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
278
279 static struct pci_driver driver = {
280         .name           = "PCI_IDE",
281         .id_table       = generic_pci_tbl,
282         .probe          = generic_init_one,
283 };
284
285 static int generic_ide_init(void)
286 {
287         return ide_pci_register_driver(&driver);
288 }
289
290 module_init(generic_ide_init);
291
292 MODULE_AUTHOR("Andre Hedrick");
293 MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
294 MODULE_LICENSE("GPL");