2 * linux/drivers/ide/pci/piix.c Version 0.47 February 8, 2007
4 * Copyright (C) 1998-1999 Andrzej Krzysztofowicz, Author and Maintainer
5 * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
6 * Copyright (C) 2003 Red Hat Inc <alan@redhat.com>
7 * Copyright (C) 2006-2007 MontaVista Software, Inc. <source@mvista.com>
9 * May be copied or modified under the terms of the GNU General Public License
11 * PIO mode setting function for Intel chipsets.
12 * For use instead of BIOS settings.
20 * | PIO 0 | c0 | 80 | 0 | piix_tune_drive(drive, 0);
21 * | PIO 2 | SW2 | d0 | 90 | 4 | piix_tune_drive(drive, 2);
22 * | PIO 3 | MW1 | e1 | a1 | 9 | piix_tune_drive(drive, 3);
23 * | PIO 4 | MW2 | e3 | a3 | b | piix_tune_drive(drive, 4);
25 * sitre = word40 & 0x4000; primary
26 * sitre = word42 & 0x4000; secondary
28 * 44 8421|8421 hdd|hdb
30 * 48 8421 hdd|hdc|hdb|hda udma enabled
42 * ata-33/82801AB ata-66/82801AA
43 * 00|00 udma 0 00|00 reserved
44 * 01|01 udma 1 01|01 udma 3
45 * 10|10 udma 2 10|10 udma 4
46 * 11|11 reserved 11|11 reserved
48 * 54 8421|8421 ata66 drive|ata66 enable
50 * pci_read_config_word(HWIF(drive)->pci_dev, 0x40, ®40);
51 * pci_read_config_word(HWIF(drive)->pci_dev, 0x42, ®42);
52 * pci_read_config_word(HWIF(drive)->pci_dev, 0x44, ®44);
53 * pci_read_config_byte(HWIF(drive)->pci_dev, 0x48, ®48);
54 * pci_read_config_word(HWIF(drive)->pci_dev, 0x4a, ®4a);
55 * pci_read_config_byte(HWIF(drive)->pci_dev, 0x54, ®54);
58 * Publically available from Intel web site. Errata documentation
59 * is also publically available. As an aide to anyone hacking on this
60 * driver the list of errata that are relevant is below.going back to
61 * PIIX4. Older device documentation is now a bit tricky to find.
66 * PIIX4 errata #9 - Only on ultra obscure hw
67 * ICH3 errata #13 - Not observed to affect real hw
70 * Things we must deal with
71 * PIIX4 errata #10 - BM IDE hang with non UDMA
72 * (must stop/start dma to recover)
73 * 440MX errata #15 - As PIIX4 errata #10
74 * PIIX4 errata #15 - Must not read control registers
75 * during a PIO transfer
76 * 440MX errata #13 - As PIIX4 errata #15
77 * ICH2 errata #21 - DMA mode 0 doesn't work right
78 * ICH0/1 errata #55 - As ICH2 errata #21
79 * ICH2 spec c #9 - Extra operations needed to handle
80 * drive hotswap [NOT YET SUPPORTED]
81 * ICH2 spec c #20 - IDE PRD must not cross a 64K boundary
82 * and must be dword aligned
83 * ICH2 spec c #24 - UDMA mode 4,5 t85/86 should be 6ns not 3.3
85 * Should have been BIOS fixed:
86 * 450NX: errata #19 - DMA hangs on old 450NX
87 * 450NX: errata #20 - DMA hangs on old 450NX
88 * 450NX: errata #25 - Corruption with DMA on old 450NX
89 * ICH3 errata #15 - IDE deadlock under high load
90 * (BIOS must set dev 31 fn 0 bit 23)
91 * ICH3 errata #18 - Don't use native mode
94 #include <linux/types.h>
95 #include <linux/module.h>
96 #include <linux/kernel.h>
97 #include <linux/ioport.h>
98 #include <linux/pci.h>
99 #include <linux/hdreg.h>
100 #include <linux/ide.h>
101 #include <linux/delay.h>
102 #include <linux/init.h>
106 static int no_piix_dma
;
109 * piix_dma_2_pio - return the PIO mode matching DMA
110 * @xfer_rate: transfer speed
112 * Returns the nearest equivalent PIO timing for the PIO or DMA
113 * mode requested by the controller.
116 static u8
piix_dma_2_pio (u8 xfer_rate
) {
146 * piix_tune_pio - tune PIIX for PIO mode
147 * @drive: drive to tune
148 * @pio: desired PIO mode
150 * Set the interface PIO mode based upon the settings done by AMI BIOS.
152 static void piix_tune_pio (ide_drive_t
*drive
, u8 pio
)
154 ide_hwif_t
*hwif
= HWIF(drive
);
155 struct pci_dev
*dev
= hwif
->pci_dev
;
156 int is_slave
= drive
->dn
& 1;
157 int master_port
= hwif
->channel
? 0x42 : 0x40;
158 int slave_port
= 0x44;
162 static DEFINE_SPINLOCK(tune_lock
);
166 static const u8 timings
[][2]= {
174 * Master vs slave is synchronized above us but the slave register is
175 * shared by the two hwifs so the corner case of two slave timeouts in
176 * parallel must be locked.
178 spin_lock_irqsave(&tune_lock
, flags
);
179 pci_read_config_word(dev
, master_port
, &master_data
);
182 control
|= 1; /* Programmable timing on */
183 if (drive
->media
== ide_disk
)
184 control
|= 4; /* Prefetch, post write */
186 control
|= 2; /* IORDY */
188 master_data
|= 0x4000;
189 master_data
&= ~0x0070;
191 /* Set PPE, IE and TIME */
192 master_data
|= control
<< 4;
194 pci_read_config_byte(dev
, slave_port
, &slave_data
);
195 slave_data
&= hwif
->channel
? 0x0f : 0xf0;
196 slave_data
|= ((timings
[pio
][0] << 2) | timings
[pio
][1]) <<
197 (hwif
->channel
? 4 : 0);
199 master_data
&= ~0x3307;
201 /* enable PPE, IE and TIME */
202 master_data
|= control
;
204 master_data
|= (timings
[pio
][0] << 12) | (timings
[pio
][1] << 8);
206 pci_write_config_word(dev
, master_port
, master_data
);
208 pci_write_config_byte(dev
, slave_port
, slave_data
);
209 spin_unlock_irqrestore(&tune_lock
, flags
);
213 * piix_tune_drive - tune a drive attached to PIIX
214 * @drive: drive to tune
215 * @pio: desired PIO mode
217 * Set the drive's PIO mode (might be useful if drive is not registered
218 * in CMOS for any reason).
220 static void piix_tune_drive (ide_drive_t
*drive
, u8 pio
)
222 pio
= ide_get_best_pio_mode(drive
, pio
, 4, NULL
);
223 piix_tune_pio(drive
, pio
);
224 (void) ide_config_drive_speed(drive
, XFER_PIO_0
+ pio
);
228 * piix_tune_chipset - tune a PIIX interface
229 * @drive: IDE drive to tune
230 * @xferspeed: speed to configure
232 * Set a PIIX interface channel to the desired speeds. This involves
233 * requires the right timing data into the PIIX configuration space
234 * then setting the drive parameters appropriately
237 static int piix_tune_chipset (ide_drive_t
*drive
, u8 xferspeed
)
239 ide_hwif_t
*hwif
= HWIF(drive
);
240 struct pci_dev
*dev
= hwif
->pci_dev
;
241 u8 maslave
= hwif
->channel
? 0x42 : 0x40;
242 u8 speed
= ide_rate_filter(drive
, xferspeed
);
243 int a_speed
= 3 << (drive
->dn
* 4);
244 int u_flag
= 1 << drive
->dn
;
245 int v_flag
= 0x01 << drive
->dn
;
246 int w_flag
= 0x10 << drive
->dn
;
250 u8 reg48
, reg54
, reg55
;
252 pci_read_config_word(dev
, maslave
, ®4042
);
253 sitre
= (reg4042
& 0x4000) ? 1 : 0;
254 pci_read_config_byte(dev
, 0x48, ®48
);
255 pci_read_config_word(dev
, 0x4a, ®4a
);
256 pci_read_config_byte(dev
, 0x54, ®54
);
257 pci_read_config_byte(dev
, 0x55, ®55
);
261 case XFER_UDMA_2
: u_speed
= 2 << (drive
->dn
* 4); break;
264 case XFER_UDMA_1
: u_speed
= 1 << (drive
->dn
* 4); break;
265 case XFER_UDMA_0
: u_speed
= 0 << (drive
->dn
* 4); break;
268 case XFER_SW_DMA_2
: break;
272 case XFER_PIO_0
: break;
276 if (speed
>= XFER_UDMA_0
) {
277 if (!(reg48
& u_flag
))
278 pci_write_config_byte(dev
, 0x48, reg48
| u_flag
);
279 if (speed
== XFER_UDMA_5
) {
280 pci_write_config_byte(dev
, 0x55, (u8
) reg55
|w_flag
);
282 pci_write_config_byte(dev
, 0x55, (u8
) reg55
& ~w_flag
);
284 if ((reg4a
& a_speed
) != u_speed
)
285 pci_write_config_word(dev
, 0x4a, (reg4a
& ~a_speed
) | u_speed
);
286 if (speed
> XFER_UDMA_2
) {
287 if (!(reg54
& v_flag
))
288 pci_write_config_byte(dev
, 0x54, reg54
| v_flag
);
290 pci_write_config_byte(dev
, 0x54, reg54
& ~v_flag
);
293 pci_write_config_byte(dev
, 0x48, reg48
& ~u_flag
);
295 pci_write_config_word(dev
, 0x4a, reg4a
& ~a_speed
);
297 pci_write_config_byte(dev
, 0x54, reg54
& ~v_flag
);
299 pci_write_config_byte(dev
, 0x55, (u8
) reg55
& ~w_flag
);
302 piix_tune_pio(drive
, piix_dma_2_pio(speed
));
303 return ide_config_drive_speed(drive
, speed
);
307 * piix_config_drive_xfer_rate - set up an IDE device
308 * @drive: IDE drive to configure
310 * Set up the PIIX interface for the best available speed on this
311 * interface, preferring DMA to PIO.
314 static int piix_config_drive_xfer_rate (ide_drive_t
*drive
)
316 drive
->init_speed
= 0;
318 if (ide_tune_dma(drive
))
321 if (ide_use_fast_pio(drive
))
322 piix_tune_drive(drive
, 255);
328 * piix_is_ichx - check if ICHx
329 * @dev: PCI device to check
331 * returns 1 if ICHx, 0 otherwise.
333 static int piix_is_ichx(struct pci_dev
*dev
)
335 switch (dev
->device
) {
336 case PCI_DEVICE_ID_INTEL_82801EB_1
:
337 case PCI_DEVICE_ID_INTEL_82801AA_1
:
338 case PCI_DEVICE_ID_INTEL_82801AB_1
:
339 case PCI_DEVICE_ID_INTEL_82801BA_8
:
340 case PCI_DEVICE_ID_INTEL_82801BA_9
:
341 case PCI_DEVICE_ID_INTEL_82801CA_10
:
342 case PCI_DEVICE_ID_INTEL_82801CA_11
:
343 case PCI_DEVICE_ID_INTEL_82801DB_1
:
344 case PCI_DEVICE_ID_INTEL_82801DB_10
:
345 case PCI_DEVICE_ID_INTEL_82801DB_11
:
346 case PCI_DEVICE_ID_INTEL_82801EB_11
:
347 case PCI_DEVICE_ID_INTEL_82801E_11
:
348 case PCI_DEVICE_ID_INTEL_ESB_2
:
349 case PCI_DEVICE_ID_INTEL_ICH6_19
:
350 case PCI_DEVICE_ID_INTEL_ICH7_21
:
351 case PCI_DEVICE_ID_INTEL_ESB2_18
:
352 case PCI_DEVICE_ID_INTEL_ICH8_6
:
360 * init_chipset_piix - set up the PIIX chipset
361 * @dev: PCI device to set up
362 * @name: Name of the device
364 * Initialize the PCI device as required. For the PIIX this turns
365 * out to be nice and simple
368 static unsigned int __devinit
init_chipset_piix (struct pci_dev
*dev
, const char *name
)
370 if (piix_is_ichx(dev
)) {
371 unsigned int extra
= 0;
372 pci_read_config_dword(dev
, 0x54, &extra
);
373 pci_write_config_dword(dev
, 0x54, extra
|0x400);
380 * piix_dma_clear_irq - clear BMDMA status
381 * @drive: IDE drive to clear
383 * Called from ide_intr() for PIO interrupts
384 * to clear BMDMA status as needed by ICHx
386 static void piix_dma_clear_irq(ide_drive_t
*drive
)
388 ide_hwif_t
*hwif
= HWIF(drive
);
391 /* clear the INTR & ERROR bits */
392 dma_stat
= hwif
->INB(hwif
->dma_status
);
393 /* Should we force the bit as well ? */
394 hwif
->OUTB(dma_stat
, hwif
->dma_status
);
397 static int __devinit
piix_cable_detect(ide_hwif_t
*hwif
)
399 struct pci_dev
*dev
= hwif
->pci_dev
;
400 u8 reg54h
= 0, mask
= hwif
->channel
? 0xc0 : 0x30;
402 pci_read_config_byte(dev
, 0x54, ®54h
);
404 return (reg54h
& mask
) ? 1 : 0;
408 * init_hwif_piix - fill in the hwif for the PIIX
409 * @hwif: IDE interface
411 * Set up the ide_hwif_t for the PIIX interface according to the
412 * capabilities of the hardware.
415 static void __devinit
init_hwif_piix(ide_hwif_t
*hwif
)
419 hwif
->irq
= hwif
->channel
? 15 : 14;
420 #endif /* CONFIG_IA64 */
422 if (hwif
->pci_dev
->device
== PCI_DEVICE_ID_INTEL_82371MX
) {
423 /* This is a painful system best to let it self tune for now */
428 hwif
->tuneproc
= &piix_tune_drive
;
429 hwif
->speedproc
= &piix_tune_chipset
;
430 hwif
->drives
[0].autotune
= 1;
431 hwif
->drives
[1].autotune
= 1;
436 /* ICHx need to clear the bmdma status for all interrupts */
437 if (piix_is_ichx(hwif
->pci_dev
))
438 hwif
->ide_dma_clear_irq
= &piix_dma_clear_irq
;
442 hwif
->ultra_mask
= hwif
->cds
->udma_mask
;
443 hwif
->mwdma_mask
= 0x06;
444 hwif
->swdma_mask
= 0x04;
446 if (hwif
->ultra_mask
& 0x78) {
447 if (!hwif
->udma_four
)
448 hwif
->udma_four
= piix_cable_detect(hwif
);
452 hwif
->ultra_mask
= hwif
->mwdma_mask
= hwif
->swdma_mask
= 0;
454 hwif
->ide_dma_check
= &piix_config_drive_xfer_rate
;
458 hwif
->drives
[1].autodma
= hwif
->autodma
;
459 hwif
->drives
[0].autodma
= hwif
->autodma
;
462 #define DECLARE_PIIX_DEV(name_str, udma) \
465 .init_chipset = init_chipset_piix, \
466 .init_hwif = init_hwif_piix, \
468 .autodma = AUTODMA, \
469 .enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \
470 .bootable = ON_BOARD, \
474 static ide_pci_device_t piix_pci_info
[] __devinitdata
= {
475 /* 0 */ DECLARE_PIIX_DEV("PIIXa", 0x00), /* no udma */
476 /* 1 */ DECLARE_PIIX_DEV("PIIXb", 0x00), /* no udma */
480 * MPIIX actually has only a single IDE channel mapped to
481 * the primary or secondary ports depending on the value
482 * of the bit 14 of the IDETIM register at offset 0x6c
485 .init_hwif
= init_hwif_piix
,
488 .enablebits
= {{0x6d,0xc0,0x80}, {0x6d,0xc0,0xc0}},
489 .bootable
= ON_BOARD
,
490 .flags
= IDEPCI_FLAG_ISA_PORTS
493 /* 3 */ DECLARE_PIIX_DEV("PIIX3", 0x00), /* no udma */
494 /* 4 */ DECLARE_PIIX_DEV("PIIX4", 0x07), /* udma0-2 */
495 /* 5 */ DECLARE_PIIX_DEV("ICH0", 0x07), /* udma0-2 */
496 /* 6 */ DECLARE_PIIX_DEV("PIIX4", 0x07), /* udma0-2 */
497 /* 7 */ DECLARE_PIIX_DEV("ICH", 0x1f), /* udma0-4 */
498 /* 8 */ DECLARE_PIIX_DEV("PIIX4", 0x1f), /* udma0-4 */
499 /* 9 */ DECLARE_PIIX_DEV("PIIX4", 0x07), /* udma0-2 */
500 /* 10 */ DECLARE_PIIX_DEV("ICH2", 0x3f), /* udma0-5 */
501 /* 11 */ DECLARE_PIIX_DEV("ICH2M", 0x3f), /* udma0-5 */
502 /* 12 */ DECLARE_PIIX_DEV("ICH3M", 0x3f), /* udma0-5 */
503 /* 13 */ DECLARE_PIIX_DEV("ICH3", 0x3f), /* udma0-5 */
504 /* 14 */ DECLARE_PIIX_DEV("ICH4", 0x3f), /* udma0-5 */
505 /* 15 */ DECLARE_PIIX_DEV("ICH5", 0x3f), /* udma0-5 */
506 /* 16 */ DECLARE_PIIX_DEV("C-ICH", 0x3f), /* udma0-5 */
507 /* 17 */ DECLARE_PIIX_DEV("ICH4", 0x3f), /* udma0-5 */
508 /* 18 */ DECLARE_PIIX_DEV("ICH5-SATA", 0x3f), /* udma0-5 */
509 /* 19 */ DECLARE_PIIX_DEV("ICH5", 0x3f), /* udma0-5 */
510 /* 20 */ DECLARE_PIIX_DEV("ICH6", 0x3f), /* udma0-5 */
511 /* 21 */ DECLARE_PIIX_DEV("ICH7", 0x3f), /* udma0-5 */
512 /* 22 */ DECLARE_PIIX_DEV("ICH4", 0x3f), /* udma0-5 */
513 /* 23 */ DECLARE_PIIX_DEV("ESB2", 0x3f), /* udma0-5 */
514 /* 24 */ DECLARE_PIIX_DEV("ICH8M", 0x3f), /* udma0-5 */
518 * piix_init_one - called when a PIIX is found
519 * @dev: the piix device
520 * @id: the matching pci id
522 * Called when the PCI registration layer (or the IDE initialization)
523 * finds a device matching our IDE device tables.
526 static int __devinit
piix_init_one(struct pci_dev
*dev
, const struct pci_device_id
*id
)
528 ide_pci_device_t
*d
= &piix_pci_info
[id
->driver_data
];
530 return ide_setup_pci_device(dev
, d
);
534 * piix_check_450nx - Check for problem 450NX setup
536 * Check for the present of 450NX errata #19 and errata #25. If
537 * they are found, disable use of DMA IDE
540 static void __devinit
piix_check_450nx(void)
542 struct pci_dev
*pdev
= NULL
;
545 while((pdev
=pci_get_device(PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82454NX
, pdev
))!=NULL
)
547 /* Look for 450NX PXB. Check for problem configurations
548 A PCI quirk checks bit 6 already */
549 pci_read_config_byte(pdev
, PCI_REVISION_ID
, &rev
);
550 pci_read_config_word(pdev
, 0x41, &cfg
);
551 /* Only on the original revision: IDE DMA can hang */
554 /* On all revisions below 5 PXB bus lock must be disabled for IDE */
555 else if(cfg
& (1<<14) && rev
< 5)
559 printk(KERN_WARNING
"piix: 450NX errata present, disabling IDE DMA.\n");
561 printk(KERN_WARNING
"piix: A BIOS update may resolve this.\n");
564 static struct pci_device_id piix_pci_tbl
[] = {
565 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82371FB_0
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0},
566 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82371FB_1
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 1},
567 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82371MX
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 2},
568 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82371SB_1
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 3},
569 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82371AB
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 4},
570 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801AB_1
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 5},
571 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82443MX_1
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 6},
572 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801AA_1
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 7},
573 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82372FB_1
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 8},
574 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82451NX
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 9},
575 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801BA_9
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 10},
576 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801BA_8
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 11},
577 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801CA_10
,PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 12},
578 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801CA_11
,PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 13},
579 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801DB_11
,PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 14},
580 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801EB_11
,PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 15},
581 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801E_11
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 16},
582 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801DB_10
,PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 17},
583 #ifdef CONFIG_BLK_DEV_IDE_SATA
584 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801EB_1
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 18},
586 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_ESB_2
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 19},
587 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_ICH6_19
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 20},
588 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_ICH7_21
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 21},
589 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_82801DB_1
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 22},
590 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_ESB2_18
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 23},
591 { PCI_VENDOR_ID_INTEL
, PCI_DEVICE_ID_INTEL_ICH8_6
, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 24},
594 MODULE_DEVICE_TABLE(pci
, piix_pci_tbl
);
596 static struct pci_driver driver
= {
598 .id_table
= piix_pci_tbl
,
599 .probe
= piix_init_one
,
602 static int __init
piix_ide_init(void)
605 return ide_pci_register_driver(&driver
);
608 module_init(piix_ide_init
);
610 MODULE_AUTHOR("Andre Hedrick, Andrzej Krzysztofowicz");
611 MODULE_DESCRIPTION("PCI driver module for Intel PIIX IDE");
612 MODULE_LICENSE("GPL");