patch-2.4.21 linux-2.4.21/drivers/ide/ide-pci.c

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diff -urN linux-2.4.20/drivers/ide/ide-pci.c linux-2.4.21/drivers/ide/ide-pci.c
@@ -1,1016 +0,0 @@
-/*
- *  linux/drivers/ide/ide-pci.c		Version 1.05	June 9, 2000
- *
- *  Copyright (c) 1998-2000  Andre Hedrick <andre@linux-ide.org>
- *
- *  Copyright (c) 1995-1998  Mark Lord
- *  May be copied or modified under the terms of the GNU General Public License
- */
-
-/*
- *  This module provides support for automatic detection and
- *  configuration of all PCI IDE interfaces present in a system.  
- */
-
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/ide.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-
-#define DEVID_PIIXa	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82371FB_0})
-#define DEVID_PIIXb	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82371FB_1})
-#define DEVID_MPIIX	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82371MX})
-#define DEVID_PIIX3	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82371SB_1})
-#define DEVID_PIIX4	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82371AB})
-#define DEVID_ICH0	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82801AB_1})
-#define DEVID_PIIX4E2	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82443MX_1})
-#define DEVID_ICH	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82801AA_1})
-#define DEVID_PIIX4U2	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82372FB_1})
-#define DEVID_PIIX4NX	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82451NX})
-#define DEVID_ICH2	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82801BA_9})
-#define DEVID_ICH2M	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82801BA_8})
-#define DEVID_ICH3M	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82801CA_10})
-#define DEVID_ICH3	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82801CA_11})
-#define DEVID_ICH4	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82801DB_11})
-#define DEVID_CICH	((ide_pci_devid_t){PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_82801E_11})
-#define DEVID_VIA_IDE	((ide_pci_devid_t){PCI_VENDOR_ID_VIA,     PCI_DEVICE_ID_VIA_82C561})
-#define DEVID_MR_IDE	((ide_pci_devid_t){PCI_VENDOR_ID_VIA,     PCI_DEVICE_ID_VIA_82C576_1})
-#define DEVID_VP_IDE	((ide_pci_devid_t){PCI_VENDOR_ID_VIA,     PCI_DEVICE_ID_VIA_82C586_1})
-#define DEVID_PDC20246	((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20246})
-#define DEVID_PDC20262	((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20262})
-#define DEVID_PDC20265	((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20265})
-#define DEVID_PDC20267	((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20267})
-#define DEVID_PDC20268  ((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268})
-#define DEVID_PDC20270  ((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20270})
-#define DEVID_PDC20269	((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20269})
-#define DEVID_PDC20275	((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20275})
-#define DEVID_PDC20276	((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20276})
-#define DEVID_RZ1000	((ide_pci_devid_t){PCI_VENDOR_ID_PCTECH,  PCI_DEVICE_ID_PCTECH_RZ1000})
-#define DEVID_RZ1001	((ide_pci_devid_t){PCI_VENDOR_ID_PCTECH,  PCI_DEVICE_ID_PCTECH_RZ1001})
-#define DEVID_SAMURAI	((ide_pci_devid_t){PCI_VENDOR_ID_PCTECH,  PCI_DEVICE_ID_PCTECH_SAMURAI_IDE})
-#define DEVID_CMD640	((ide_pci_devid_t){PCI_VENDOR_ID_CMD,     PCI_DEVICE_ID_CMD_640})
-#define DEVID_CMD643	((ide_pci_devid_t){PCI_VENDOR_ID_CMD,     PCI_DEVICE_ID_CMD_643})
-#define DEVID_CMD646	((ide_pci_devid_t){PCI_VENDOR_ID_CMD,     PCI_DEVICE_ID_CMD_646})
-#define DEVID_CMD648	((ide_pci_devid_t){PCI_VENDOR_ID_CMD,     PCI_DEVICE_ID_CMD_648})
-#define DEVID_CMD649	((ide_pci_devid_t){PCI_VENDOR_ID_CMD,     PCI_DEVICE_ID_CMD_649})
-#define DEVID_CMD680	((ide_pci_devid_t){PCI_VENDOR_ID_CMD,     PCI_DEVICE_ID_CMD_680})
-#define DEVID_SIS5513	((ide_pci_devid_t){PCI_VENDOR_ID_SI,      PCI_DEVICE_ID_SI_5513})
-#define DEVID_OPTI621	((ide_pci_devid_t){PCI_VENDOR_ID_OPTI,    PCI_DEVICE_ID_OPTI_82C621})
-#define DEVID_OPTI621V	((ide_pci_devid_t){PCI_VENDOR_ID_OPTI,    PCI_DEVICE_ID_OPTI_82C558})
-#define DEVID_OPTI621X	((ide_pci_devid_t){PCI_VENDOR_ID_OPTI,    PCI_DEVICE_ID_OPTI_82C825})
-#define DEVID_TRM290	((ide_pci_devid_t){PCI_VENDOR_ID_TEKRAM,  PCI_DEVICE_ID_TEKRAM_DC290})
-#define DEVID_NS87410	((ide_pci_devid_t){PCI_VENDOR_ID_NS,      PCI_DEVICE_ID_NS_87410})
-#define DEVID_NS87415	((ide_pci_devid_t){PCI_VENDOR_ID_NS,      PCI_DEVICE_ID_NS_87415})
-#define DEVID_HT6565	((ide_pci_devid_t){PCI_VENDOR_ID_HOLTEK,  PCI_DEVICE_ID_HOLTEK_6565})
-#define DEVID_AEC6210	((ide_pci_devid_t){PCI_VENDOR_ID_ARTOP,   PCI_DEVICE_ID_ARTOP_ATP850UF})
-#define DEVID_AEC6260	((ide_pci_devid_t){PCI_VENDOR_ID_ARTOP,   PCI_DEVICE_ID_ARTOP_ATP860})
-#define DEVID_AEC6260R	((ide_pci_devid_t){PCI_VENDOR_ID_ARTOP,   PCI_DEVICE_ID_ARTOP_ATP860R})
-#define DEVID_W82C105	((ide_pci_devid_t){PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105})
-#define DEVID_UM8673F	((ide_pci_devid_t){PCI_VENDOR_ID_UMC,     PCI_DEVICE_ID_UMC_UM8673F})
-#define DEVID_UM8886A	((ide_pci_devid_t){PCI_VENDOR_ID_UMC,     PCI_DEVICE_ID_UMC_UM8886A})
-#define DEVID_UM8886BF	((ide_pci_devid_t){PCI_VENDOR_ID_UMC,     PCI_DEVICE_ID_UMC_UM8886BF})
-#define DEVID_HPT34X	((ide_pci_devid_t){PCI_VENDOR_ID_TTI,     PCI_DEVICE_ID_TTI_HPT343})
-#define DEVID_HPT366	((ide_pci_devid_t){PCI_VENDOR_ID_TTI,     PCI_DEVICE_ID_TTI_HPT366})
-#define DEVID_ALI15X3	((ide_pci_devid_t){PCI_VENDOR_ID_AL,      PCI_DEVICE_ID_AL_M5229})
-#define DEVID_CY82C693	((ide_pci_devid_t){PCI_VENDOR_ID_CONTAQ,  PCI_DEVICE_ID_CONTAQ_82C693})
-#define DEVID_HINT	((ide_pci_devid_t){0x3388,                0x8013})
-#define DEVID_CS5530	((ide_pci_devid_t){PCI_VENDOR_ID_CYRIX,   PCI_DEVICE_ID_CYRIX_5530_IDE})
-#define DEVID_AMD7401	((ide_pci_devid_t){PCI_VENDOR_ID_AMD,     PCI_DEVICE_ID_AMD_COBRA_7401})
-#define DEVID_AMD7409	((ide_pci_devid_t){PCI_VENDOR_ID_AMD,     PCI_DEVICE_ID_AMD_VIPER_7409})
-#define DEVID_AMD7411	((ide_pci_devid_t){PCI_VENDOR_ID_AMD,     PCI_DEVICE_ID_AMD_VIPER_7411})
-#define DEVID_AMD7441	((ide_pci_devid_t){PCI_VENDOR_ID_AMD,     PCI_DEVICE_ID_AMD_VIPER_7441})
-#define DEVID_PDCADMA	((ide_pci_devid_t){PCI_VENDOR_ID_PDC,     PCI_DEVICE_ID_PDC_1841})
-#define DEVID_SLC90E66	((ide_pci_devid_t){PCI_VENDOR_ID_EFAR,    PCI_DEVICE_ID_EFAR_SLC90E66_1})
-#define DEVID_OSB4	((ide_pci_devid_t){PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE})
-#define DEVID_CSB5	((ide_pci_devid_t){PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE})
-#define DEVID_ITE8172G	((ide_pci_devid_t){PCI_VENDOR_ID_ITE,     PCI_DEVICE_ID_ITE_IT8172G})
-
-#define	IDE_IGNORE	((void *)-1)
-#define IDE_NO_DRIVER	((void *)-2)
-
-#ifdef CONFIG_BLK_DEV_AEC62XX
-extern unsigned int pci_init_aec62xx(struct pci_dev *, const char *);
-extern unsigned int ata66_aec62xx(ide_hwif_t *);
-extern void ide_init_aec62xx(ide_hwif_t *);
-extern void ide_dmacapable_aec62xx(ide_hwif_t *, unsigned long);
-#define PCI_AEC62XX	&pci_init_aec62xx
-#define ATA66_AEC62XX	&ata66_aec62xx
-#define INIT_AEC62XX	&ide_init_aec62xx
-#define DMA_AEC62XX	&ide_dmacapable_aec62xx
-#else
-#define PCI_AEC62XX	NULL
-#define ATA66_AEC62XX	NULL
-#define INIT_AEC62XX	IDE_NO_DRIVER
-#define DMA_AEC62XX	NULL
-#endif
-
-#ifdef CONFIG_BLK_DEV_ALI15X3
-extern unsigned int pci_init_ali15x3(struct pci_dev *, const char *);
-extern unsigned int ata66_ali15x3(ide_hwif_t *);
-extern void ide_init_ali15x3(ide_hwif_t *);
-extern void ide_dmacapable_ali15x3(ide_hwif_t *, unsigned long);
-#define PCI_ALI15X3	&pci_init_ali15x3
-#define ATA66_ALI15X3	&ata66_ali15x3
-#define INIT_ALI15X3	&ide_init_ali15x3
-#define DMA_ALI15X3	&ide_dmacapable_ali15x3
-#else
-#define PCI_ALI15X3	NULL
-#define ATA66_ALI15X3	NULL
-#define INIT_ALI15X3	IDE_NO_DRIVER
-#define DMA_ALI15X3	NULL
-#endif
-
-#ifdef CONFIG_BLK_DEV_AMD74XX
-extern unsigned int pci_init_amd74xx(struct pci_dev *, const char *);
-extern unsigned int ata66_amd74xx(ide_hwif_t *);
-extern void ide_init_amd74xx(ide_hwif_t *);
-extern void ide_dmacapable_amd74xx(ide_hwif_t *, unsigned long);
-#define PCI_AMD74XX	&pci_init_amd74xx
-#define ATA66_AMD74XX	&ata66_amd74xx
-#define INIT_AMD74XX	&ide_init_amd74xx
-#define DMA_AMD74XX	&ide_dmacapable_amd74xx
-#else
-#define PCI_AMD74XX	NULL
-#define ATA66_AMD74XX	NULL
-#define INIT_AMD74XX	IDE_NO_DRIVER
-#define DMA_AMD74XX	NULL
-#endif
-
-#ifdef CONFIG_BLK_DEV_CMD64X
-extern unsigned int pci_init_cmd64x(struct pci_dev *, const char *);
-extern unsigned int ata66_cmd64x(ide_hwif_t *);
-extern void ide_init_cmd64x(ide_hwif_t *);
-extern void ide_dmacapable_cmd64x(ide_hwif_t *, unsigned long);
-#define PCI_CMD64X	&pci_init_cmd64x
-#define ATA66_CMD64X	&ata66_cmd64x
-#define INIT_CMD64X	&ide_init_cmd64x
-#else
-#define PCI_CMD64X	NULL
-#define ATA66_CMD64X	NULL
-#ifdef __sparc_v9__
-#define INIT_CMD64X	IDE_IGNORE
-#else
-#define INIT_CMD64X	IDE_NO_DRIVER
-#endif
-#endif
-
-#ifdef CONFIG_BLK_DEV_CY82C693
-extern unsigned int pci_init_cy82c693(struct pci_dev *, const char *);
-extern void ide_init_cy82c693(ide_hwif_t *);
-#define PCI_CY82C693	&pci_init_cy82c693
-#define INIT_CY82C693	&ide_init_cy82c693
-#else
-#define PCI_CY82C693	NULL
-#define INIT_CY82C693	IDE_NO_DRIVER
-#endif
-
-#ifdef CONFIG_BLK_DEV_CS5530
-extern unsigned int pci_init_cs5530(struct pci_dev *, const char *);
-extern void ide_init_cs5530(ide_hwif_t *);
-#define PCI_CS5530	&pci_init_cs5530
-#define INIT_CS5530	&ide_init_cs5530
-#else
-#define PCI_CS5530	NULL
-#define INIT_CS5530	IDE_NO_DRIVER
-#endif
-
-#ifdef CONFIG_BLK_DEV_HPT34X
-extern unsigned int pci_init_hpt34x(struct pci_dev *, const char *);
-extern void ide_init_hpt34x(ide_hwif_t *);
-#define PCI_HPT34X	&pci_init_hpt34x
-#define INIT_HPT34X	&ide_init_hpt34x
-#else
-#define PCI_HPT34X	NULL
-#define INIT_HPT34X	IDE_IGNORE
-#endif
-
-#ifdef CONFIG_BLK_DEV_HPT366
-extern byte hpt363_shared_irq;
-extern byte hpt363_shared_pin;
-extern unsigned int pci_init_hpt366(struct pci_dev *, const char *);
-extern unsigned int ata66_hpt366(ide_hwif_t *);
-extern void ide_init_hpt366(ide_hwif_t *);
-extern void ide_dmacapable_hpt366(ide_hwif_t *, unsigned long);
-#define PCI_HPT366	&pci_init_hpt366
-#define ATA66_HPT366	&ata66_hpt366
-#define INIT_HPT366	&ide_init_hpt366
-#define DMA_HPT366	&ide_dmacapable_hpt366
-#else
-static byte hpt363_shared_irq;
-static byte hpt363_shared_pin;
-#define PCI_HPT366	NULL
-#define ATA66_HPT366	NULL
-#define INIT_HPT366	IDE_NO_DRIVER
-#define DMA_HPT366	NULL
-#endif
-
-#ifdef CONFIG_BLK_DEV_NS87415
-extern void ide_init_ns87415(ide_hwif_t *);
-#define INIT_NS87415	&ide_init_ns87415
-#else
-#define INIT_NS87415	IDE_IGNORE
-#endif
-
-#ifdef CONFIG_BLK_DEV_OPTI621
-extern void ide_init_opti621(ide_hwif_t *);
-#define INIT_OPTI621	&ide_init_opti621
-#else
-#define INIT_OPTI621	IDE_NO_DRIVER
-#endif
-
-#ifdef CONFIG_BLK_DEV_PDC_ADMA
-extern unsigned int pci_init_pdcadma(struct pci_dev *, const char *);
-extern unsigned int ata66_pdcadma(ide_hwif_t *);
-extern void ide_init_pdcadma(ide_hwif_t *);
-extern void ide_dmacapable_pdcadma(ide_hwif_t *, unsigned long);
-#define PCI_PDCADMA	&pci_init_pdcadma
-#define ATA66_PDCADMA	&ata66_pdcadma
-#define INIT_PDCADMA	&ide_init_pdcadma
-#define DMA_PDCADMA	&ide_dmacapable_pdcadma
-#else
-#define PCI_PDCADMA	IDE_IGNORE
-#define ATA66_PDCADMA	IDE_IGNORE
-#define INIT_PDCADMA	IDE_IGNORE
-#define DMA_PDCADMA	IDE_IGNORE
-#endif
-
-#ifdef CONFIG_BLK_DEV_PDC202XX
-extern unsigned int pci_init_pdc202xx(struct pci_dev *, const char *);
-extern unsigned int ata66_pdc202xx(ide_hwif_t *);
-extern void ide_init_pdc202xx(ide_hwif_t *);
-#define PCI_PDC202XX	&pci_init_pdc202xx
-#define ATA66_PDC202XX	&ata66_pdc202xx
-#define INIT_PDC202XX	&ide_init_pdc202xx
-#else
-#define PCI_PDC202XX	NULL
-#define ATA66_PDC202XX	NULL
-#define INIT_PDC202XX	NULL
-#endif
-
-#ifdef CONFIG_BLK_DEV_PIIX
-extern unsigned int pci_init_piix(struct pci_dev *, const char *);
-extern unsigned int ata66_piix(ide_hwif_t *);
-extern void ide_init_piix(ide_hwif_t *);
-#define PCI_PIIX	&pci_init_piix
-#define ATA66_PIIX	&ata66_piix
-#define INIT_PIIX	&ide_init_piix
-#else
-#define PCI_PIIX	NULL
-#define ATA66_PIIX	NULL
-#define INIT_PIIX	IDE_NO_DRIVER
-#endif
-
-#ifdef CONFIG_BLK_DEV_IT8172
-extern unsigned int pci_init_it8172(struct pci_dev *, const char *);
-extern unsigned int ata66_it8172(ide_hwif_t *);
-extern void ide_init_it8172(ide_hwif_t *);
-#define PCI_IT8172	&pci_init_it8172
-#define INIT_IT8172	&ide_init_it8172
-#else
-#define PCI_IT8172	NULL
-#define ATA66_IT8172	NULL
-#define INIT_IT8172	NULL
-#endif
-
-#ifdef CONFIG_BLK_DEV_RZ1000
-extern void ide_init_rz1000(ide_hwif_t *);
-#define INIT_RZ1000	&ide_init_rz1000
-#else
-#define INIT_RZ1000	IDE_IGNORE
-#endif
-
-#define INIT_SAMURAI	NULL
-
-#ifdef CONFIG_BLK_DEV_SVWKS
-extern unsigned int pci_init_svwks(struct pci_dev *, const char *);
-extern unsigned int ata66_svwks(ide_hwif_t *);
-extern void ide_init_svwks(ide_hwif_t *);
-#define PCI_SVWKS	&pci_init_svwks
-#define ATA66_SVWKS	&ata66_svwks
-#define INIT_SVWKS	&ide_init_svwks
-#else
-#define PCI_SVWKS	NULL
-#define ATA66_SVWKS	NULL
-#define INIT_SVWKS	IDE_NO_DRIVER
-#endif
-
-#ifdef CONFIG_BLK_DEV_SIS5513
-extern unsigned int pci_init_sis5513(struct pci_dev *, const char *);
-extern unsigned int ata66_sis5513(ide_hwif_t *);
-extern void ide_init_sis5513(ide_hwif_t *);
-#define PCI_SIS5513	&pci_init_sis5513
-#define ATA66_SIS5513	&ata66_sis5513
-#define INIT_SIS5513	&ide_init_sis5513
-#else
-#define PCI_SIS5513	NULL
-#define ATA66_SIS5513	NULL
-#define INIT_SIS5513	IDE_NO_DRIVER
-#endif
-
-#ifdef CONFIG_BLK_DEV_SLC90E66
-extern unsigned int pci_init_slc90e66(struct pci_dev *, const char *);
-extern unsigned int ata66_slc90e66(ide_hwif_t *);
-extern void ide_init_slc90e66(ide_hwif_t *);
-#define PCI_SLC90E66	&pci_init_slc90e66
-#define ATA66_SLC90E66	&ata66_slc90e66
-#define INIT_SLC90E66	&ide_init_slc90e66
-#else
-#define PCI_SLC90E66	NULL
-#define ATA66_SLC90E66	NULL
-#define INIT_SLC90E66	IDE_NO_DRIVER
-#endif
-
-#ifdef CONFIG_BLK_DEV_SL82C105
-extern unsigned int pci_init_sl82c105(struct pci_dev *, const char *);
-extern void dma_init_sl82c105(ide_hwif_t *, unsigned long);
-extern void ide_init_sl82c105(ide_hwif_t *);
-#define PCI_W82C105	&pci_init_sl82c105
-#define DMA_W82C105	&dma_init_sl82c105
-#define INIT_W82C105	&ide_init_sl82c105
-#else
-#define PCI_W82C105	NULL
-#define DMA_W82C105	NULL
-#define INIT_W82C105	IDE_IGNORE
-#endif
-
-#ifdef CONFIG_BLK_DEV_TRM290
-extern void ide_init_trm290(ide_hwif_t *);
-#define INIT_TRM290	&ide_init_trm290
-#else
-#define INIT_TRM290	IDE_IGNORE
-#endif
-
-#ifdef CONFIG_BLK_DEV_VIA82CXXX
-extern unsigned int pci_init_via82cxxx(struct pci_dev *, const char *);
-extern unsigned int ata66_via82cxxx(ide_hwif_t *);
-extern void ide_init_via82cxxx(ide_hwif_t *);
-extern void ide_dmacapable_via82cxxx(ide_hwif_t *, unsigned long);
-#define PCI_VIA82CXXX	&pci_init_via82cxxx
-#define ATA66_VIA82CXXX	&ata66_via82cxxx
-#define INIT_VIA82CXXX	&ide_init_via82cxxx
-#define DMA_VIA82CXXX	&ide_dmacapable_via82cxxx
-#else
-#define PCI_VIA82CXXX	NULL
-#define ATA66_VIA82CXXX	NULL
-#define INIT_VIA82CXXX	IDE_NO_DRIVER
-#define DMA_VIA82CXXX	NULL
-#endif
-
-typedef struct ide_pci_enablebit_s {
-	byte	reg;	/* byte pci reg holding the enable-bit */
-	byte	mask;	/* mask to isolate the enable-bit */
-	byte	val;	/* value of masked reg when "enabled" */
-} ide_pci_enablebit_t;
-
-typedef struct ide_pci_device_s {
-	ide_pci_devid_t		devid;
-	char			*name;
-	unsigned int		(*init_chipset)(struct pci_dev *dev, const char *name);
-	unsigned int		(*ata66_check)(ide_hwif_t *hwif);
-	void 			(*init_hwif)(ide_hwif_t *hwif);
-	void			(*dma_init)(ide_hwif_t *hwif, unsigned long dmabase);
-	ide_pci_enablebit_t	enablebits[2];
-	byte			bootable;
-	unsigned int		extra;
-} ide_pci_device_t;
-
-static ide_pci_device_t ide_pci_chipsets[] __initdata = {
-	{DEVID_PIIXa,	"PIIX",		NULL,		NULL,		INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}}, 	ON_BOARD,	0 },
-	{DEVID_PIIXb,	"PIIX",		NULL,		NULL,		INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}}, 	ON_BOARD,	0 },
-	{DEVID_MPIIX,	"MPIIX",	NULL,		NULL,		INIT_PIIX,	NULL,		{{0x6D,0x80,0x80}, {0x6F,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_PIIX3,	"PIIX3",	PCI_PIIX,	NULL,		INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}}, 	ON_BOARD,	0 },
-	{DEVID_PIIX4,	"PIIX4",	PCI_PIIX,	NULL,		INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}}, 	ON_BOARD,	0 },
-	{DEVID_ICH0,	"ICH0", 	PCI_PIIX,	NULL,		INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_PIIX4E2,	"PIIX4",	PCI_PIIX,	NULL,		INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_ICH,	"ICH",  	PCI_PIIX,	ATA66_PIIX,	INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_PIIX4U2,	"PIIX4",	PCI_PIIX,	ATA66_PIIX,	INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_PIIX4NX,	"PIIX4",	PCI_PIIX,	NULL,		INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_ICH2,	"ICH2", 	PCI_PIIX,	ATA66_PIIX,	INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_ICH2M,	"ICH2M",	PCI_PIIX,	ATA66_PIIX,	INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_ICH3M,	"ICH3M",	PCI_PIIX,	ATA66_PIIX,	INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_ICH3,	"ICH3", 	PCI_PIIX,	ATA66_PIIX,	INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_ICH4,	"ICH4", 	PCI_PIIX,	ATA66_PIIX,	INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_CICH,	"C-ICH",	PCI_PIIX,	ATA66_PIIX,	INIT_PIIX,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-	{DEVID_VIA_IDE,	"VIA_IDE",	NULL,		NULL,		NULL,		NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_MR_IDE,	"VP_IDE",	PCI_VIA82CXXX,	ATA66_VIA82CXXX,INIT_VIA82CXXX,	DMA_VIA82CXXX,	{{0x40,0x02,0x02}, {0x40,0x01,0x01}}, 	ON_BOARD,	0 },
-	{DEVID_VP_IDE,	"VP_IDE",	PCI_VIA82CXXX,	ATA66_VIA82CXXX,INIT_VIA82CXXX,	DMA_VIA82CXXX,	{{0x40,0x02,0x02}, {0x40,0x01,0x01}}, 	ON_BOARD,	0 },
-#ifndef CONFIG_PDC202XX_FORCE
-        {DEVID_PDC20246,"PDC20246",	PCI_PDC202XX,	NULL,		INIT_PDC202XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	16 },
-        {DEVID_PDC20262,"PDC20262",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	48 },
-        {DEVID_PDC20265,"PDC20265",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	48 },
-        {DEVID_PDC20267,"PDC20267",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	48 },
-#else /* !CONFIG_PDC202XX_FORCE */
-	{DEVID_PDC20246,"PDC20246",	PCI_PDC202XX,	NULL,		INIT_PDC202XX,	NULL,		{{0x50,0x02,0x02}, {0x50,0x04,0x04}}, 	OFF_BOARD,	16 },
-	{DEVID_PDC20262,"PDC20262",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x50,0x02,0x02}, {0x50,0x04,0x04}},	OFF_BOARD,	48 },
-	{DEVID_PDC20265,"PDC20265",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x50,0x02,0x02}, {0x50,0x04,0x04}},	OFF_BOARD,	48 },
-	{DEVID_PDC20267,"PDC20267",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x50,0x02,0x02}, {0x50,0x04,0x04}},	OFF_BOARD,	48 },
-#endif
-	{DEVID_PDC20268,"PDC20268",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	0 },
-	/* Promise used a different PCI ident for the raid card apparently to try and
-	   prevent Linux detecting it and using our own raid code. We want to detect
-	   it for the ataraid drivers, so we have to list both here.. */
-	{DEVID_PDC20270,"PDC20270",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	0 },
-	{DEVID_PDC20269,"PDC20269",	PCI_PDC202XX,	ATA66_PDC202XX,	 INIT_PDC202XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	0 },
-	{DEVID_PDC20275,"PDC20275",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	0 },
-	{DEVID_PDC20276,"PDC20276",	PCI_PDC202XX,	ATA66_PDC202XX,	INIT_PDC202XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	0 },
-	{DEVID_RZ1000,	"RZ1000",	NULL,		NULL,		INIT_RZ1000,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}}, 	ON_BOARD,	0 },
-	{DEVID_RZ1001,	"RZ1001",	NULL,		NULL,		INIT_RZ1000,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}}, 	ON_BOARD,	0 },
-	{DEVID_SAMURAI,	"SAMURAI",	NULL,		NULL,		INIT_SAMURAI,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_CMD640,	"CMD640",	NULL,		NULL,		IDE_IGNORE,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}}, 	ON_BOARD,	0 },
-	{DEVID_NS87410,	"NS87410",	NULL,		NULL,		NULL,		NULL,		{{0x43,0x08,0x08}, {0x47,0x08,0x08}}, 	ON_BOARD,	0 },
-	{DEVID_SIS5513,	"SIS5513",	PCI_SIS5513,	ATA66_SIS5513,	INIT_SIS5513,	NULL,		{{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, 	ON_BOARD,	0 },
-	{DEVID_CMD643,	"CMD643",	PCI_CMD64X,	NULL,		INIT_CMD64X,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_CMD646,	"CMD646",	PCI_CMD64X,	NULL,		INIT_CMD64X,	NULL,		{{0x00,0x00,0x00}, {0x51,0x80,0x80}}, 	ON_BOARD,	0 },
-	{DEVID_CMD648,	"CMD648",	PCI_CMD64X,	ATA66_CMD64X,	INIT_CMD64X,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_CMD649,	"CMD649",	PCI_CMD64X,	ATA66_CMD64X,	INIT_CMD64X,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-#ifndef CONFIG_BLK_DEV_CMD680
-	{DEVID_CMD680,	"CMD680",	NULL,		NULL,		NULL,		NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-#else /* CONFIG_BLK_DEV_CMD680 */
-	{DEVID_CMD680,	"CMD680",	PCI_CMD64X,	ATA66_CMD64X,	INIT_CMD64X,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-#endif /* !CONFIG_BLK_DEV_CMD680 */
-	{DEVID_HT6565,	"HT6565",	NULL,		NULL,		NULL,		NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}}, 	ON_BOARD,	0 },
-	{DEVID_OPTI621,	"OPTI621",	NULL,		NULL,		INIT_OPTI621,	NULL,		{{0x45,0x80,0x00}, {0x40,0x08,0x00}}, 	ON_BOARD,	0 },
-	{DEVID_OPTI621X,"OPTI621X",	NULL,		NULL,		INIT_OPTI621,	NULL,		{{0x45,0x80,0x00}, {0x40,0x08,0x00}}, 	ON_BOARD,	0 },
-	{DEVID_TRM290,	"TRM290",	NULL,		NULL,		INIT_TRM290,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}}, 	ON_BOARD,	0 },
-	{DEVID_NS87415,	"NS87415",	NULL,		NULL,		INIT_NS87415,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}}, 	ON_BOARD,	0 },
-	{DEVID_AEC6210,	"AEC6210",	PCI_AEC62XX,	NULL,		INIT_AEC62XX,	DMA_AEC62XX,	{{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, 	OFF_BOARD,	0 },
-	{DEVID_AEC6260,	"AEC6260",	PCI_AEC62XX,	ATA66_AEC62XX,	INIT_AEC62XX,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	NEVER_BOARD,	0 },
-	{DEVID_AEC6260R,"AEC6260R",	PCI_AEC62XX,	ATA66_AEC62XX,	INIT_AEC62XX,	NULL,		{{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},	OFF_BOARD,	0 },
-	{DEVID_W82C105,	"W82C105",	PCI_W82C105,	NULL,		INIT_W82C105,	DMA_W82C105,	{{0x40,0x01,0x01}, {0x40,0x10,0x10}}, 	ON_BOARD,	0 },
-	{DEVID_UM8673F,	"UM8673F",	NULL,		NULL,		NULL,		NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_UM8886A,	"UM8886A",	NULL,		NULL,		NULL,		NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_UM8886BF,"UM8886BF",	NULL,		NULL,		NULL,		NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}}, 	ON_BOARD,	0 },
-	{DEVID_HPT34X,	"HPT34X",	PCI_HPT34X,	NULL,		INIT_HPT34X,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	NEVER_BOARD,	16 },
-	{DEVID_HPT366,	"HPT366",	PCI_HPT366,	ATA66_HPT366,	INIT_HPT366,	DMA_HPT366,	{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	240 },
-	{DEVID_ALI15X3,	"ALI15X3",	PCI_ALI15X3,	ATA66_ALI15X3,	INIT_ALI15X3,	DMA_ALI15X3,	{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_CY82C693,"CY82C693",	PCI_CY82C693,	NULL,		INIT_CY82C693,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_HINT,	"HINT_IDE",	NULL,		NULL,		NULL,		NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_CS5530,	"CS5530",	PCI_CS5530,	NULL,		INIT_CS5530,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_AMD7401,	"AMD7401",	NULL,		NULL,		NULL,		DMA_AMD74XX,	{{0x40,0x01,0x01}, {0x40,0x02,0x02}},	ON_BOARD,	0 },
-	{DEVID_AMD7409,	"AMD7409",	PCI_AMD74XX,	ATA66_AMD74XX,	INIT_AMD74XX,	DMA_AMD74XX,	{{0x40,0x01,0x01}, {0x40,0x02,0x02}},	ON_BOARD,	0 },
-	{DEVID_AMD7411,	"AMD7411",	PCI_AMD74XX,	ATA66_AMD74XX,	INIT_AMD74XX,	DMA_AMD74XX,	{{0x40,0x01,0x01}, {0x40,0x02,0x02}},	ON_BOARD,	0 },
-	{DEVID_AMD7441,	"AMD7441",	PCI_AMD74XX,	ATA66_AMD74XX,	INIT_AMD74XX,	DMA_AMD74XX,	{{0x40,0x01,0x01}, {0x40,0x02,0x02}},	ON_BOARD,	0 },
-	{DEVID_PDCADMA,	"PDCADMA",	PCI_PDCADMA,	ATA66_PDCADMA,	INIT_PDCADMA,	DMA_PDCADMA,	{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	OFF_BOARD,	0 },
-	{DEVID_SLC90E66,"SLC90E66",	PCI_SLC90E66,	ATA66_SLC90E66,	INIT_SLC90E66,	NULL,		{{0x41,0x80,0x80}, {0x43,0x80,0x80}},	ON_BOARD,	0 },
-        {DEVID_OSB4,    "ServerWorks OSB4",		PCI_SVWKS,	ATA66_SVWKS,	INIT_SVWKS,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_CSB5,	"ServerWorks CSB5",		PCI_SVWKS,	ATA66_SVWKS,	INIT_SVWKS,	NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}},	ON_BOARD,	0 },
-	{DEVID_ITE8172G,"IT8172G",	PCI_IT8172,	NULL,	INIT_IT8172,	NULL,		{{0x00,0x00,0x00}, {0x40,0x00,0x01}},	ON_BOARD,	0 },
-	{IDE_PCI_DEVID_NULL, "PCI_IDE",	NULL,		NULL,		NULL,		NULL,		{{0x00,0x00,0x00}, {0x00,0x00,0x00}}, 	ON_BOARD,	0 }};
-
-/*
- * This allows offboard ide-pci cards the enable a BIOS, verify interrupt
- * settings of split-mirror pci-config space, place chipset into init-mode,
- * and/or preserve an interrupt if the card is not native ide support.
- */
-static unsigned int __init ide_special_settings (struct pci_dev *dev, const char *name)
-{
-	switch(dev->device) {
-		case PCI_DEVICE_ID_TTI_HPT366:
-		case PCI_DEVICE_ID_PROMISE_20246:
-		case PCI_DEVICE_ID_PROMISE_20262:
-		case PCI_DEVICE_ID_PROMISE_20265:
-		case PCI_DEVICE_ID_PROMISE_20267:
-		case PCI_DEVICE_ID_PROMISE_20268:
-		case PCI_DEVICE_ID_PROMISE_20270:
-		case PCI_DEVICE_ID_PROMISE_20269:
-		case PCI_DEVICE_ID_PROMISE_20275:
-		case PCI_DEVICE_ID_PROMISE_20276:
-		case PCI_DEVICE_ID_ARTOP_ATP850UF:
-		case PCI_DEVICE_ID_ARTOP_ATP860:
-		case PCI_DEVICE_ID_ARTOP_ATP860R:
-			return dev->irq;
-		default:
-			break;
-	}
-	return 0;
-}
-
-/*
- * Match a PCI IDE port against an entry in ide_hwifs[],
- * based on io_base port if possible.
- */
-static ide_hwif_t __init *ide_match_hwif (unsigned long io_base, byte bootable, const char *name)
-{
-	int h;
-	ide_hwif_t *hwif;
-
-	/*
-	 * Look for a hwif with matching io_base specified using
-	 * parameters to ide_setup().
-	 */
-	for (h = 0; h < MAX_HWIFS; ++h) {
-		hwif = &ide_hwifs[h];
-		if (hwif->io_ports[IDE_DATA_OFFSET] == io_base) {
-			if (hwif->chipset == ide_generic)
-				return hwif; /* a perfect match */
-		}
-	}
-	/*
-	 * Look for a hwif with matching io_base default value.
-	 * If chipset is "ide_unknown", then claim that hwif slot.
-	 * Otherwise, some other chipset has already claimed it..  :(
-	 */
-	for (h = 0; h < MAX_HWIFS; ++h) {
-		hwif = &ide_hwifs[h];
-		if (hwif->io_ports[IDE_DATA_OFFSET] == io_base) {
-			if (hwif->chipset == ide_unknown)
-				return hwif; /* match */
-			printk("%s: port 0x%04lx already claimed by %s\n", name, io_base, hwif->name);
-			return NULL;	/* already claimed */
-		}
-	}
-	/*
-	 * Okay, there is no hwif matching our io_base,
-	 * so we'll just claim an unassigned slot.
-	 * Give preference to claiming other slots before claiming ide0/ide1,
-	 * just in case there's another interface yet-to-be-scanned
-	 * which uses ports 1f0/170 (the ide0/ide1 defaults).
-	 *
-	 * Unless there is a bootable card that does not use the standard
-	 * ports 1f0/170 (the ide0/ide1 defaults). The (bootable) flag.
-	 */
-	if (bootable) {
-		for (h = 0; h < MAX_HWIFS; ++h) {
-			hwif = &ide_hwifs[h];
-			if (hwif->chipset == ide_unknown)
-				return hwif;	/* pick an unused entry */
-		}
-	} else {
-		for (h = 2; h < MAX_HWIFS; ++h) {
-			hwif = ide_hwifs + h;
-			if (hwif->chipset == ide_unknown)
-				return hwif;	/* pick an unused entry */
-		}
-	}
-	for (h = 0; h < 2; ++h) {
-		hwif = ide_hwifs + h;
-		if (hwif->chipset == ide_unknown)
-			return hwif;	/* pick an unused entry */
-	}
-	printk("%s: too many IDE interfaces, no room in table\n", name);
-	return NULL;
-}
-
-static int __init ide_setup_pci_baseregs (struct pci_dev *dev, const char *name)
-{
-	byte reg, progif = 0;
-
-	/*
-	 * Place both IDE interfaces into PCI "native" mode:
-	 */
-	if (pci_read_config_byte(dev, PCI_CLASS_PROG, &progif) || (progif & 5) != 5) {
-		if ((progif & 0xa) != 0xa) {
-			printk("%s: device not capable of full native PCI mode\n", name);
-			return 1;
-		}
-		printk("%s: placing both ports into native PCI mode\n", name);
-		(void) pci_write_config_byte(dev, PCI_CLASS_PROG, progif|5);
-		if (pci_read_config_byte(dev, PCI_CLASS_PROG, &progif) || (progif & 5) != 5) {
-			printk("%s: rewrite of PROGIF failed, wanted 0x%04x, got 0x%04x\n", name, progif|5, progif);
-			return 1;
-		}
-	}
-	/*
-	 * Setup base registers for IDE command/control spaces for each interface:
-	 */
-	for (reg = 0; reg < 4; reg++) {
-		struct resource *res = dev->resource + reg;
-		if ((res->flags & IORESOURCE_IO) == 0)
-			continue;
-		if (!res->start) {
-			printk("%s: Missing I/O address #%d\n", name, reg);
-			return 1;
-		}
-	}
-	return 0;
-}
-
-/*
- * ide_setup_pci_device() looks at the primary/secondary interfaces
- * on a PCI IDE device and, if they are enabled, prepares the IDE driver
- * for use with them.  This generic code works for most PCI chipsets.
- *
- * One thing that is not standardized is the location of the
- * primary/secondary interface "enable/disable" bits.  For chipsets that
- * we "know" about, this information is in the ide_pci_device_t struct;
- * for all other chipsets, we just assume both interfaces are enabled.
- */
-static void __init ide_setup_pci_device (struct pci_dev *dev, ide_pci_device_t *d)
-{
-	unsigned int port, at_least_one_hwif_enabled = 0, autodma = 0, pciirq = 0;
-	unsigned short pcicmd = 0, tried_config = 0;
-	byte tmp = 0;
-	ide_hwif_t *hwif, *mate = NULL;
-	unsigned int class_rev;
-	static int secondpdc = 0;
-
-#ifdef CONFIG_IDEDMA_AUTO
-	if (!noautodma)
-		autodma = 1;
-#endif
-
-	if (d->init_hwif == IDE_NO_DRIVER) {
-		printk(KERN_WARNING "%s: detected chipset, but driver not compiled in!\n", d->name);
-		d->init_hwif = NULL;
-	}
-
-	if (pci_enable_device(dev)) {
-		if(pci_enable_device_bars(dev, 1<<4))
-		{
-			printk(KERN_WARNING "%s: (ide_setup_pci_device:) Could not enable device.\n", d->name);
-			return;
-		}
-		printk(KERN_INFO "%s: BIOS setup was incomplete.\n", d->name);
-	}
-
-check_if_enabled:
-	if (pci_read_config_word(dev, PCI_COMMAND, &pcicmd)) {
-		printk("%s: error accessing PCI regs\n", d->name);
-		return;
-	}
-	if (!(pcicmd & PCI_COMMAND_IO)) {	/* is device disabled? */
-		/*
-		 * PnP BIOS was *supposed* to have set this device up for us,
-		 * but we can do it ourselves, so long as the BIOS has assigned an IRQ
-		 *  (or possibly the device is using a "legacy header" for IRQs).
-		 * Maybe the user deliberately *disabled* the device,
-		 * but we'll eventually ignore it again if no drives respond.
-		 */
-		if (tried_config++
-		 || ide_setup_pci_baseregs(dev, d->name)
-		 || pci_write_config_word(dev, PCI_COMMAND, pcicmd | PCI_COMMAND_IO)) {
-			printk("%s: device disabled (BIOS)\n", d->name);
-			return;
-		}
-		autodma = 0;	/* default DMA off if we had to configure it here */
-		goto check_if_enabled;
-	}
-	if (tried_config)
-		printk("%s: device enabled (Linux)\n", d->name);
-
-	pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-	class_rev &= 0xff;
-
-	if (IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT34X)) {
-		/* see comments in hpt34x.c on why..... */
-		char *chipset_names[] = {"HPT343", "HPT345"};
-		strcpy(d->name, chipset_names[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0]);
-		d->bootable = (pcicmd & PCI_COMMAND_MEMORY) ? OFF_BOARD : NEVER_BOARD;
-	}
-
-	printk("%s: chipset revision %d\n", d->name, class_rev);
-
-	/*
-	 * Can we trust the reported IRQ?
-	 */
-	pciirq = dev->irq;
-	
-	if (dev->class >> 8 == PCI_CLASS_STORAGE_RAID)
-	{
-	    /*  By rights we want to ignore these, but the Promise Fastrak
-		 *	people have some strange ideas about proprietary so we have
-		 *	to act otherwise on those. The supertrak however we need
-		 *	to skip 
-		 */
-		if (IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20265))
-		{
-			printk(KERN_INFO "ide: Found promise 20265 in RAID mode.\n");
-			if(dev->bus->self && dev->bus->self->vendor == PCI_VENDOR_ID_INTEL &&
-			   dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960)
-			{
-				printk(KERN_INFO "ide: Skipping Promise PDC20265 attached to I2O RAID controller.\n");
-				return;
-			}
-		}
-		/* Its attached to something else, just a random bridge.
-		   Suspect a fastrak and fall through */
-	}
-
-	if ((dev->class & ~(0xfa)) != ((PCI_CLASS_STORAGE_IDE << 8) | 5)) {
-		printk("%s: not 100%% native mode: will probe irqs later\n", d->name);
-		/*
-		 * This allows offboard ide-pci cards the enable a BIOS,
-		 * verify interrupt settings of split-mirror pci-config
-		 * space, place chipset into init-mode, and/or preserve
-		 * an interrupt if the card is not native ide support.
-		 */
-		pciirq = (d->init_chipset) ? d->init_chipset(dev, d->name) : ide_special_settings(dev, d->name);
-	} else if (tried_config) {
-		printk("%s: will probe irqs later\n", d->name);
-		pciirq = 0;
-	} else if (!pciirq) {
-		printk("%s: bad irq (%d): will probe later\n", d->name, pciirq);
-		pciirq = 0;
-	} else {
-		if (d->init_chipset)
-			(void) d->init_chipset(dev, d->name);
-#ifdef __sparc__
-		printk("%s: 100%% native mode on irq %s\n",
-		       d->name, __irq_itoa(pciirq));
-#else
-		printk("%s: 100%% native mode on irq %d\n", d->name, pciirq);
-#endif
-	}
-
-	/*
-	 * Set up the IDE ports
-	 */
-	for (port = 0; port <= 1; ++port) {
-		unsigned long base = 0, ctl = 0;
-		ide_pci_enablebit_t *e = &(d->enablebits[port]);
-	
-		/* 
-		 * If this is a Promise FakeRaid controller, the 2nd controller will be marked as 
-		 * disabled while it is actually there and enabled by the bios for raid purposes. 
-		 * Skip the normal "is it enabled" test for those.
-		 */
-		if ((IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20265)) && (secondpdc++==1) && (port==1)  ) 
-			goto controller_ok;
-		if ((IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20262)) && (secondpdc++==1) && (port==1)  ) 
-			goto controller_ok;
-			
-		if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) || (tmp & e->mask) != e->val))
-			continue;	/* port not enabled */
-controller_ok:			
-		if (IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT366) && (port) && (class_rev < 0x03))
-			return;
-		if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE || (dev->class & (port ? 4 : 1)) != 0) {
-			ctl  = dev->resource[(2*port)+1].start;
-			base = dev->resource[2*port].start;
-			if (!(ctl & PCI_BASE_ADDRESS_IO_MASK) ||
-			    !(base & PCI_BASE_ADDRESS_IO_MASK)) {
-				printk("%s: IO baseregs (BIOS) are reported as MEM, report to <andre@linux-ide.org>.\n", d->name);
-#if 0
-				/* FIXME! This really should check that it really gets the IO/MEM part right! */
-				continue;
-#endif
-			}
-		}
-		if ((ctl && !base) || (base && !ctl)) {
-			printk("%s: inconsistent baseregs (BIOS) for port %d, skipping\n", d->name, port);
-			continue;
-		}
-		if (!ctl)
-			ctl = port ? 0x374 : 0x3f4;	/* use default value */
-		if (!base)
-			base = port ? 0x170 : 0x1f0;	/* use default value */
-		if ((hwif = ide_match_hwif(base, d->bootable, d->name)) == NULL)
-			continue;	/* no room in ide_hwifs[] */
-		if (hwif->io_ports[IDE_DATA_OFFSET] != base) {
-			ide_init_hwif_ports(&hwif->hw, base, (ctl | 2), NULL);
-			memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
-			hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
-		}
-		hwif->chipset = ide_pci;
-		hwif->pci_dev = dev;
-		hwif->pci_devid = d->devid;
-		hwif->channel = port;
-		if (!hwif->irq)
-			hwif->irq = pciirq;
-		if (mate) {
-			hwif->mate = mate;
-			mate->mate = hwif;
-			if (IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6210)) {
-				hwif->serialized = 1;
-				mate->serialized = 1;
-			}
-		}
-		if (IDE_PCI_DEVID_EQ(d->devid, DEVID_UM8886A) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_UM8886BF) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_UM8673F)) {
-			hwif->irq = hwif->channel ? 15 : 14;
-			goto bypass_umc_dma;
-		}
-		if (IDE_PCI_DEVID_EQ(d->devid, DEVID_MPIIX))
-			goto bypass_piix_dma;
-		if (IDE_PCI_DEVID_EQ(d->devid, DEVID_PDCADMA))
-			goto bypass_legacy_dma;
-		if (hwif->udma_four) {
-			printk("%s: ATA-66/100 forced bit set (WARNING)!!\n", d->name);
-		} else {
-			hwif->udma_four = (d->ata66_check) ? d->ata66_check(hwif) : 0;
-		}
-#ifdef CONFIG_BLK_DEV_IDEDMA
-		if (IDE_PCI_DEVID_EQ(d->devid, DEVID_SIS5513) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6260) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_PIIX4NX) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT34X)  ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_VIA_IDE) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_MR_IDE)  ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_VP_IDE))
-			autodma = 0;
-		if (autodma)
-			hwif->autodma = 1;
-
-		if (IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20246) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20262) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20265) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20267) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20268) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20270) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20269) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20275) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20276) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6210) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6260) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6260R) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT34X) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT366) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_CS5530) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_CY82C693) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_CMD646) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_CMD648) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_CMD649) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_CMD680) ||
-		    IDE_PCI_DEVID_EQ(d->devid, DEVID_OSB4) ||
-		    ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 0x80))) {
-			unsigned long dma_base = ide_get_or_set_dma_base(hwif, (!mate && d->extra) ? d->extra : 0, d->name);
-			if (dma_base && !(pcicmd & PCI_COMMAND_MASTER)) {
-				/*
- 	 			 * Set up BM-DMA capability (PnP BIOS should have done this)
- 	 			 */
-		    		if (!IDE_PCI_DEVID_EQ(d->devid, DEVID_CS5530))
-					hwif->autodma = 0;	/* default DMA off if we had to configure it here */
-				(void) pci_write_config_word(dev, PCI_COMMAND, pcicmd | PCI_COMMAND_MASTER);
-				if (pci_read_config_word(dev, PCI_COMMAND, &pcicmd) || !(pcicmd & PCI_COMMAND_MASTER)) {
-					printk("%s: %s error updating PCICMD\n", hwif->name, d->name);
-					dma_base = 0;
-				}
-			}
-			if (dma_base) {
-				if (d->dma_init) {
-					d->dma_init(hwif, dma_base);
-				} else {
-					ide_setup_dma(hwif, dma_base, 8);
-				}
-			} else {
-				printk("%s: %s Bus-Master DMA disabled (BIOS)\n", hwif->name, d->name);
-			}
-		}
-#endif	/* CONFIG_BLK_DEV_IDEDMA */
-bypass_legacy_dma:
-bypass_piix_dma:
-bypass_umc_dma:
-		if (d->init_hwif)  /* Call chipset-specific routine for each enabled hwif */
-			d->init_hwif(hwif);
-		mate = hwif;
-		at_least_one_hwif_enabled = 1;
-	}
-	if (!at_least_one_hwif_enabled)
-		printk("%s: neither IDE port enabled (BIOS)\n", d->name);
-}
-
-static void __init pdc20270_device_order_fixup (struct pci_dev *dev, ide_pci_device_t *d)
-{
-	struct pci_dev *dev2 = NULL, *findev;
-	ide_pci_device_t *d2;
-
-	if ((dev->bus->self &&
-	     dev->bus->self->vendor == PCI_VENDOR_ID_DEC) &&
-	    (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) {
-		if (PCI_SLOT(dev->devfn) & 2) {
-			return;
-		}
-		d->extra = 0;
-		pci_for_each_dev(findev) {
-			if ((findev->vendor == dev->vendor) &&
-			    (findev->device == dev->device) &&
-			    (PCI_SLOT(findev->devfn) & 2)) {
-				byte irq = 0, irq2 = 0;
-				dev2 = findev;
-				pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
-				pci_read_config_byte(dev2, PCI_INTERRUPT_LINE, &irq2);
-                                if (irq != irq2) {
-					dev2->irq = dev->irq;
-                                        pci_write_config_byte(dev2, PCI_INTERRUPT_LINE, irq);
-                                }
-
-			}
-		}
-	}
-
-	printk("%s: IDE controller on PCI bus %02x dev %02x\n", d->name, dev->bus->number, dev->devfn);
-	ide_setup_pci_device(dev, d);
-	if (!dev2)
-		return;
-	d2 = d;
-	printk("%s: IDE controller on PCI bus %02x dev %02x\n", d2->name, dev2->bus->number, dev2->devfn);
-	ide_setup_pci_device(dev2, d2);
-}
-
-static void __init hpt366_device_order_fixup (struct pci_dev *dev, ide_pci_device_t *d)
-{
-	struct pci_dev *dev2 = NULL, *findev;
-	ide_pci_device_t *d2;
-	unsigned char pin1 = 0, pin2 = 0;
-	unsigned int class_rev;
-	char *chipset_names[] = {"HPT366", "HPT366", "HPT368", "HPT370", "HPT370A", "HPT372"};
-
-	if (PCI_FUNC(dev->devfn) & 1)
-		return;
-
-	pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-	class_rev &= 0xff;
-	if (class_rev > 5)
-		class_rev = 5;
-	
-	strcpy(d->name, chipset_names[class_rev]);
-
-	switch(class_rev) {
-		case 4:
-		case 3:	printk("%s: IDE controller on PCI bus %02x dev %02x\n", d->name, dev->bus->number, dev->devfn);
-			ide_setup_pci_device(dev, d);
-			return;
-		default:	break;
-	}
-
-	pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin1);
-	pci_for_each_dev(findev) {
-		if ((findev->vendor == dev->vendor) &&
-		    (findev->device == dev->device) &&
-		    ((findev->devfn - dev->devfn) == 1) &&
-		    (PCI_FUNC(findev->devfn) & 1)) {
-			dev2 = findev;
-			pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin2);
-			hpt363_shared_pin = (pin1 != pin2) ? 1 : 0;
-			hpt363_shared_irq = (dev->irq == dev2->irq) ? 1 : 0;
-			if (hpt363_shared_pin && hpt363_shared_irq) {
-				d->bootable = ON_BOARD;
-				printk("%s: onboard version of chipset, pin1=%d pin2=%d\n", d->name, pin1, pin2);
-#if 0
-				/* I forgot why I did this once, but it fixed something. */
-				pci_write_config_byte(dev2, PCI_INTERRUPT_PIN, dev->irq);
-				printk("PCI: %s: Fixing interrupt %d pin %d to ZERO \n", d->name, dev2->irq, pin2);
-				pci_write_config_byte(dev2, PCI_INTERRUPT_LINE, 0);
-#endif
-			}
-			break;
-		}
-	}
-	printk("%s: IDE controller on PCI bus %02x dev %02x\n", d->name, dev->bus->number, dev->devfn);
-	ide_setup_pci_device(dev, d);
-	if (!dev2)
-		return;
-	d2 = d;
-	printk("%s: IDE controller on PCI bus %02x dev %02x\n", d2->name, dev2->bus->number, dev2->devfn);
-	ide_setup_pci_device(dev2, d2);
-}
-
-/*
- * ide_scan_pcibus() gets invoked at boot time from ide.c.
- * It finds all PCI IDE controllers and calls ide_setup_pci_device for them.
- */
-void __init ide_scan_pcidev (struct pci_dev *dev)
-{
-	ide_pci_devid_t		devid;
-	ide_pci_device_t	*d;
-
-	devid.vid = dev->vendor;
-	devid.did = dev->device;
-	for (d = ide_pci_chipsets; d->devid.vid && !IDE_PCI_DEVID_EQ(d->devid, devid); ++d);
-	if (d->init_hwif == IDE_IGNORE)
-		printk("%s: ignored by ide_scan_pci_device() (uses own driver)\n", d->name);
-	else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_OPTI621V) && !(PCI_FUNC(dev->devfn) & 1))
-		return;
-	else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_CY82C693) && (!(PCI_FUNC(dev->devfn) & 1) || !((dev->class >> 8) == PCI_CLASS_STORAGE_IDE)))
-		return;	/* CY82C693 is more than only a IDE controller */
-	else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_ITE8172G) && (!(PCI_FUNC(dev->devfn) & 1) || !((dev->class >> 8) == PCI_CLASS_STORAGE_IDE)))
-		return;	/* IT8172G is also more than only an IDE controller */
-	else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_UM8886A) && !(PCI_FUNC(dev->devfn) & 1))
-		return;	/* UM8886A/BF pair */
-	else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT366))
-		hpt366_device_order_fixup(dev, d);
-	else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20270))
-		pdc20270_device_order_fixup(dev, d);
-	else if (!IDE_PCI_DEVID_EQ(d->devid, IDE_PCI_DEVID_NULL) || (dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
-		if (IDE_PCI_DEVID_EQ(d->devid, IDE_PCI_DEVID_NULL))
-			printk("%s: unknown IDE controller on PCI bus %02x device %02x, VID=%04x, DID=%04x\n",
-			       d->name, dev->bus->number, dev->devfn, devid.vid, devid.did);
-		else
-			printk("%s: IDE controller on PCI bus %02x dev %02x\n", d->name, dev->bus->number, dev->devfn);
-		ide_setup_pci_device(dev, d);
-	}
-}
-
-void __init ide_scan_pcibus (int scan_direction)
-{
-	struct pci_dev *dev;
-
-	if (!scan_direction) {
-		pci_for_each_dev(dev) {
-			ide_scan_pcidev(dev);
-		}
-	} else {
-		pci_for_each_dev_reverse(dev) {
-			ide_scan_pcidev(dev);
-		}
-	}
-}

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)