ide/generic: Jmicron has its own drivers now
[linux-2.6] / 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/types.h>
27 #include <linux/module.h>
28 #include <linux/kernel.h>
29 #include <linux/delay.h>
30 #include <linux/timer.h>
31 #include <linux/mm.h>
32 #include <linux/ioport.h>
33 #include <linux/blkdev.h>
34 #include <linux/hdreg.h>
35 #include <linux/pci.h>
36 #include <linux/ide.h>
37 #include <linux/init.h>
38
39 #include <asm/io.h>
40
41 static int ide_generic_all;             /* Set to claim all devices */
42
43 /*
44  * the module_param_named() was added for the modular case
45  * the __setup() is left as compatibility for existing setups
46  */
47 #ifndef MODULE
48 static int __init ide_generic_all_on(char *unused)
49 {
50         ide_generic_all = 1;
51         printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n");
52         return 1;
53 }
54 __setup("all-generic-ide", ide_generic_all_on);
55 #endif
56 module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
57 MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
58
59 static void __devinit init_hwif_generic (ide_hwif_t *hwif)
60 {
61         switch(hwif->pci_dev->device) {
62                 case PCI_DEVICE_ID_UMC_UM8673F:
63                 case PCI_DEVICE_ID_UMC_UM8886A:
64                 case PCI_DEVICE_ID_UMC_UM8886BF:
65                         hwif->irq = hwif->channel ? 15 : 14;
66                         break;
67                 default:
68                         break;
69         }
70
71         if (!(hwif->dma_base))
72                 return;
73
74         hwif->atapi_dma = 1;
75         hwif->ultra_mask = 0x7f;
76         hwif->mwdma_mask = 0x07;
77         hwif->swdma_mask = 0x07;
78
79         if (!noautodma)
80                 hwif->autodma = 1;
81         hwif->drives[0].autodma = hwif->autodma;
82         hwif->drives[1].autodma = hwif->autodma;
83 }
84
85 #if 0
86         /* Logic to add back later on */
87
88         if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
89                 ide_pci_device_t *unknown = unknown_chipset;
90                 init_setup_unknown(dev, unknown);
91                 return 1;
92         }
93         return 0;
94 #endif  
95
96 static ide_pci_device_t generic_chipsets[] __devinitdata = {
97         {       /* 0 */
98                 .name           = "Unknown",
99                 .init_hwif      = init_hwif_generic,
100                 .channels       = 2,
101                 .autodma        = AUTODMA,
102                 .bootable       = ON_BOARD,
103         },{     /* 1 */
104                 .name           = "NS87410",
105                 .init_hwif      = init_hwif_generic,
106                 .channels       = 2,
107                 .autodma        = AUTODMA,
108                 .enablebits     = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
109                 .bootable       = ON_BOARD,
110         },{     /* 2 */
111                 .name           = "SAMURAI",
112                 .init_hwif      = init_hwif_generic,
113                 .channels       = 2,
114                 .autodma        = AUTODMA,
115                 .bootable       = ON_BOARD,
116         },{     /* 3 */
117                 .name           = "HT6565",
118                 .init_hwif      = init_hwif_generic,
119                 .channels       = 2,
120                 .autodma        = AUTODMA,
121                 .bootable       = ON_BOARD,
122         },{     /* 4 */
123                 .name           = "UM8673F",
124                 .init_hwif      = init_hwif_generic,
125                 .channels       = 2,
126                 .autodma        = NODMA,
127                 .bootable       = ON_BOARD,
128         },{     /* 5 */
129                 .name           = "UM8886A",
130                 .init_hwif      = init_hwif_generic,
131                 .channels       = 2,
132                 .autodma        = NODMA,
133                 .bootable       = ON_BOARD,
134         },{     /* 6 */
135                 .name           = "UM8886BF",
136                 .init_hwif      = init_hwif_generic,
137                 .channels       = 2,
138                 .autodma        = NODMA,
139                 .bootable       = ON_BOARD,
140         },{     /* 7 */
141                 .name           = "HINT_IDE",
142                 .init_hwif      = init_hwif_generic,
143                 .channels       = 2,
144                 .autodma        = AUTODMA,
145                 .bootable       = ON_BOARD,
146         },{     /* 8 */
147                 .name           = "VIA_IDE",
148                 .init_hwif      = init_hwif_generic,
149                 .channels       = 2,
150                 .autodma        = NOAUTODMA,
151                 .bootable       = ON_BOARD,
152         },{     /* 9 */
153                 .name           = "OPTI621V",
154                 .init_hwif      = init_hwif_generic,
155                 .channels       = 2,
156                 .autodma        = NOAUTODMA,
157                 .bootable       = ON_BOARD,
158         },{     /* 10 */
159                 .name           = "VIA8237SATA",
160                 .init_hwif      = init_hwif_generic,
161                 .channels       = 2,
162                 .autodma        = AUTODMA,
163                 .bootable       = OFF_BOARD,
164         },{     /* 11 */
165                 .name           = "Piccolo0102",
166                 .init_hwif      = init_hwif_generic,
167                 .channels       = 2,
168                 .autodma        = NOAUTODMA,
169                 .bootable       = ON_BOARD,
170         },{     /* 12 */
171                 .name           = "Piccolo0103",
172                 .init_hwif      = init_hwif_generic,
173                 .channels       = 2,
174                 .autodma        = NOAUTODMA,
175                 .bootable       = ON_BOARD,
176         },{     /* 13 */
177                 .name           = "Piccolo0105",
178                 .init_hwif      = init_hwif_generic,
179                 .channels       = 2,
180                 .autodma        = NOAUTODMA,
181                 .bootable       = ON_BOARD,
182         },{     /* 14 */
183                 .name           = "Revolution",
184                 .init_hwif      = init_hwif_generic,
185                 .channels       = 2,
186                 .autodma        = AUTODMA,
187                 .bootable       = OFF_BOARD,
188         }
189 };
190
191 /**
192  *      generic_init_one        -       called when a PIIX is found
193  *      @dev: the generic device
194  *      @id: the matching pci id
195  *
196  *      Called when the PCI registration layer (or the IDE initialization)
197  *      finds a device matching our IDE device tables.
198  */
199  
200 static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
201 {
202         ide_pci_device_t *d = &generic_chipsets[id->driver_data];
203         u16 command;
204         int ret = -ENODEV;
205
206         /* Don't use the generic entry unless instructed to do so */
207         if (id->driver_data == 0 && ide_generic_all == 0)
208                         goto out;
209
210         if (dev->vendor == PCI_VENDOR_ID_UMC &&
211             dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
212             (!(PCI_FUNC(dev->devfn) & 1)))
213                 goto out; /* UM8886A/BF pair */
214
215         if (dev->vendor == PCI_VENDOR_ID_OPTI &&
216             dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
217             (!(PCI_FUNC(dev->devfn) & 1)))
218                 goto out;
219
220         if (dev->vendor == PCI_VENDOR_ID_JMICRON) {
221                 if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && PCI_FUNC(dev->devfn) != 1)
222                         goto out;
223         }
224
225         if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
226                 pci_read_config_word(dev, PCI_COMMAND, &command);
227                 if (!(command & PCI_COMMAND_IO)) {
228                         printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
229                         goto out;
230                 }
231         }
232         ret = ide_setup_pci_device(dev, d);
233 out:
234         return ret;
235 }
236
237 static struct pci_device_id generic_pci_tbl[] = {
238         { PCI_VENDOR_ID_NS,     PCI_DEVICE_ID_NS_87410,            PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
239         { PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
240         { PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565,         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
241         { PCI_VENDOR_ID_UMC,    PCI_DEVICE_ID_UMC_UM8673F,         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
242         { PCI_VENDOR_ID_UMC,    PCI_DEVICE_ID_UMC_UM8886A,         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
243         { PCI_VENDOR_ID_UMC,    PCI_DEVICE_ID_UMC_UM8886BF,        PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
244         { PCI_VENDOR_ID_HINT,   PCI_DEVICE_ID_HINT_VXPROII_IDE,    PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7},
245         { PCI_VENDOR_ID_VIA,    PCI_DEVICE_ID_VIA_82C561,          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8},
246         { PCI_VENDOR_ID_OPTI,   PCI_DEVICE_ID_OPTI_82C558,         PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9},
247 #ifdef CONFIG_BLK_DEV_IDE_SATA
248         { PCI_VENDOR_ID_VIA,    PCI_DEVICE_ID_VIA_8237_SATA,       PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10},
249 #endif
250         { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11},
251         { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1,   PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12},
252         { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2,   PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13},
253         { PCI_VENDOR_ID_NETCELL,PCI_DEVICE_ID_REVOLUTION,          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14},
254         /* Must come last. If you add entries adjust this table appropriately and the init_one code */
255         { PCI_ANY_ID,           PCI_ANY_ID,                        PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0},
256         { 0, },
257 };
258 MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
259
260 static struct pci_driver driver = {
261         .name           = "PCI_IDE",
262         .id_table       = generic_pci_tbl,
263         .probe          = generic_init_one,
264 };
265
266 static int generic_ide_init(void)
267 {
268         return ide_pci_register_driver(&driver);
269 }
270
271 module_init(generic_ide_init);
272
273 MODULE_AUTHOR("Andre Hedrick");
274 MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
275 MODULE_LICENSE("GPL");