drivers/ide/pci/aec62xx.c - linux - Git at Google

 /*
  * linux/drivers/ide/pci/aec62xx.c		Version 0.27	Sep 16, 2007
  *
  * Copyright (C) 1999-2002	Andre Hedrick <andre@linux-ide.org>
  * Copyright (C) 2007		MontaVista Software, Inc. <source@mvista.com>
  *
  */

 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/init.h>

 #include <asm/io.h>

 struct chipset_bus_clock_list_entry {
 	u8 xfer_speed;
 	u8 chipset_settings;
 	u8 ultra_settings;
 };

 static const struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
 	{	XFER_UDMA_6,	0x31,	0x07	},
 	{	XFER_UDMA_5,	0x31,	0x06	},
 	{	XFER_UDMA_4,	0x31,	0x05	},
 	{	XFER_UDMA_3,	0x31,	0x04	},
 	{	XFER_UDMA_2,	0x31,	0x03	},
 	{	XFER_UDMA_1,	0x31,	0x02	},
 	{	XFER_UDMA_0,	0x31,	0x01	},

 	{	XFER_MW_DMA_2,	0x31,	0x00	},
 	{	XFER_MW_DMA_1,	0x31,	0x00	},
 	{	XFER_MW_DMA_0,	0x0a,	0x00	},
 	{	XFER_PIO_4,	0x31,	0x00	},
 	{	XFER_PIO_3,	0x33,	0x00	},
 	{	XFER_PIO_2,	0x08,	0x00	},
 	{	XFER_PIO_1,	0x0a,	0x00	},
 	{	XFER_PIO_0,	0x00,	0x00	},
 	{	0,		0x00,	0x00	}
 };

 static const struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
 	{	XFER_UDMA_6,	0x41,	0x06	},
 	{	XFER_UDMA_5,	0x41,	0x05	},
 	{	XFER_UDMA_4,	0x41,	0x04	},
 	{	XFER_UDMA_3,	0x41,	0x03	},
 	{	XFER_UDMA_2,	0x41,	0x02	},
 	{	XFER_UDMA_1,	0x41,	0x01	},
 	{	XFER_UDMA_0,	0x41,	0x01	},

 	{	XFER_MW_DMA_2,	0x41,	0x00	},
 	{	XFER_MW_DMA_1,	0x42,	0x00	},
 	{	XFER_MW_DMA_0,	0x7a,	0x00	},
 	{	XFER_PIO_4,	0x41,	0x00	},
 	{	XFER_PIO_3,	0x43,	0x00	},
 	{	XFER_PIO_2,	0x78,	0x00	},
 	{	XFER_PIO_1,	0x7a,	0x00	},
 	{	XFER_PIO_0,	0x70,	0x00	},
 	{	0,		0x00,	0x00	}
 };

 #define BUSCLOCK(D)	\
 	((struct chipset_bus_clock_list_entry *) pci_get_drvdata((D)))


 /*
  * TO DO: active tuning and correction of cards without a bios.
  */
 static u8 pci_bus_clock_list (u8 speed, struct chipset_bus_clock_list_entry * chipset_table)
 {
 	for ( ; chipset_table->xfer_speed ; chipset_table++)
 		if (chipset_table->xfer_speed == speed) {
 			return chipset_table->chipset_settings;
 		}
 	return chipset_table->chipset_settings;
 }

 static u8 pci_bus_clock_list_ultra (u8 speed, struct chipset_bus_clock_list_entry * chipset_table)
 {
 	for ( ; chipset_table->xfer_speed ; chipset_table++)
 		if (chipset_table->xfer_speed == speed) {
 			return chipset_table->ultra_settings;
 		}
 	return chipset_table->ultra_settings;
 }

 static void aec6210_set_mode(ide_drive_t *drive, const u8 speed)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u16 d_conf		= 0;
 	u8 ultra = 0, ultra_conf = 0;
 	u8 tmp0 = 0, tmp1 = 0, tmp2 = 0;
 	unsigned long flags;

 	local_irq_save(flags);
 	/* 0x40|(2*drive->dn): Active, 0x41|(2*drive->dn): Recovery */
 	pci_read_config_word(dev, 0x40|(2*drive->dn), &d_conf);
 	tmp0 = pci_bus_clock_list(speed, BUSCLOCK(dev));
 	d_conf = ((tmp0 & 0xf0) << 4) | (tmp0 & 0xf);
 	pci_write_config_word(dev, 0x40|(2*drive->dn), d_conf);

 	tmp1 = 0x00;
 	tmp2 = 0x00;
 	pci_read_config_byte(dev, 0x54, &ultra);
 	tmp1 = ((0x00 << (2*drive->dn)) | (ultra & ~(3 << (2*drive->dn))));
 	ultra_conf = pci_bus_clock_list_ultra(speed, BUSCLOCK(dev));
 	tmp2 = ((ultra_conf << (2*drive->dn)) | (tmp1 & ~(3 << (2*drive->dn))));
 	pci_write_config_byte(dev, 0x54, tmp2);
 	local_irq_restore(flags);
 }

 static void aec6260_set_mode(ide_drive_t *drive, const u8 speed)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u8 unit		= (drive->select.b.unit & 0x01);
 	u8 tmp1 = 0, tmp2 = 0;
 	u8 ultra = 0, drive_conf = 0, ultra_conf = 0;
 	unsigned long flags;

 	local_irq_save(flags);
 	/* high 4-bits: Active, low 4-bits: Recovery */
 	pci_read_config_byte(dev, 0x40|drive->dn, &drive_conf);
 	drive_conf = pci_bus_clock_list(speed, BUSCLOCK(dev));
 	pci_write_config_byte(dev, 0x40|drive->dn, drive_conf);

 	pci_read_config_byte(dev, (0x44|hwif->channel), &ultra);
 	tmp1 = ((0x00 << (4*unit)) | (ultra & ~(7 << (4*unit))));
 	ultra_conf = pci_bus_clock_list_ultra(speed, BUSCLOCK(dev));
 	tmp2 = ((ultra_conf << (4*unit)) | (tmp1 & ~(7 << (4*unit))));
 	pci_write_config_byte(dev, (0x44|hwif->channel), tmp2);
 	local_irq_restore(flags);
 }

 static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
 	drive->hwif->set_dma_mode(drive, pio + XFER_PIO_0);
 }

 static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const char *name)
 {
 	int bus_speed = system_bus_clock();

 	if (bus_speed <= 33)
 		pci_set_drvdata(dev, (void *) aec6xxx_33_base);
 	else
 		pci_set_drvdata(dev, (void *) aec6xxx_34_base);

 	/* These are necessary to get AEC6280 Macintosh cards to work */
 	if ((dev->device == PCI_DEVICE_ID_ARTOP_ATP865) ||
 	    (dev->device == PCI_DEVICE_ID_ARTOP_ATP865R)) {
 		u8 reg49h = 0, reg4ah = 0;
 		/* Clear reset and test bits.  */
 		pci_read_config_byte(dev, 0x49, &reg49h);
 		pci_write_config_byte(dev, 0x49, reg49h & ~0x30);
 		/* Enable chip interrupt output.  */
 		pci_read_config_byte(dev, 0x4a, &reg4ah);
 		pci_write_config_byte(dev, 0x4a, reg4ah & ~0x01);
 		/* Enable burst mode. */
 		pci_read_config_byte(dev, 0x4a, &reg4ah);
 		pci_write_config_byte(dev, 0x4a, reg4ah | 0x80);
 	}

 	return dev->irq;
 }

 static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
 {
 	struct pci_dev *dev = to_pci_dev(hwif->dev);

 	hwif->set_pio_mode = &aec_set_pio_mode;

 	if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
 		hwif->set_dma_mode = &aec6210_set_mode;
 	else
 		hwif->set_dma_mode = &aec6260_set_mode;

 	if (hwif->dma_base == 0)
 		return;

 	if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
 		return;

 	if (hwif->cbl != ATA_CBL_PATA40_SHORT) {
 		u8 ata66 = 0, mask = hwif->channel ? 0x02 : 0x01;

 		pci_read_config_byte(dev, 0x49, &ata66);

 		hwif->cbl = (ata66 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
 	}
 }

 static const struct ide_port_info aec62xx_chipsets[] __devinitdata = {
 	{	/* 0 */
 		.name		= "AEC6210",
 		.init_chipset	= init_chipset_aec62xx,
 		.init_hwif	= init_hwif_aec62xx,
 		.enablebits	= {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
 		.host_flags	= IDE_HFLAG_SERIALIZE |
 				  IDE_HFLAG_NO_ATAPI_DMA |
 				  IDE_HFLAG_NO_DSC |
 				  IDE_HFLAG_ABUSE_SET_DMA_MODE |
 				  IDE_HFLAG_OFF_BOARD,
 		.pio_mask	= ATA_PIO4,
 		.mwdma_mask	= ATA_MWDMA2,
 		.udma_mask	= ATA_UDMA2,
 	},{	/* 1 */
 		.name		= "AEC6260",
 		.init_chipset	= init_chipset_aec62xx,
 		.init_hwif	= init_hwif_aec62xx,
 		.host_flags	= IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_NO_AUTODMA |
 				  IDE_HFLAG_ABUSE_SET_DMA_MODE |
 				  IDE_HFLAG_OFF_BOARD,
 		.pio_mask	= ATA_PIO4,
 		.mwdma_mask	= ATA_MWDMA2,
 		.udma_mask	= ATA_UDMA4,
 	},{	/* 2 */
 		.name		= "AEC6260R",
 		.init_chipset	= init_chipset_aec62xx,
 		.init_hwif	= init_hwif_aec62xx,
 		.enablebits	= {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
 		.host_flags	= IDE_HFLAG_NO_ATAPI_DMA |
 				  IDE_HFLAG_ABUSE_SET_DMA_MODE,
 		.pio_mask	= ATA_PIO4,
 		.mwdma_mask	= ATA_MWDMA2,
 		.udma_mask	= ATA_UDMA4,
 	},{	/* 3 */
 		.name		= "AEC6280",
 		.init_chipset	= init_chipset_aec62xx,
 		.init_hwif	= init_hwif_aec62xx,
 		.host_flags	= IDE_HFLAG_NO_ATAPI_DMA |
 				  IDE_HFLAG_ABUSE_SET_DMA_MODE |
 				  IDE_HFLAG_OFF_BOARD,
 		.pio_mask	= ATA_PIO4,
 		.mwdma_mask	= ATA_MWDMA2,
 		.udma_mask	= ATA_UDMA5,
 	},{	/* 4 */
 		.name		= "AEC6280R",
 		.init_chipset	= init_chipset_aec62xx,
 		.init_hwif	= init_hwif_aec62xx,
 		.enablebits	= {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
 		.host_flags	= IDE_HFLAG_NO_ATAPI_DMA |
 				  IDE_HFLAG_ABUSE_SET_DMA_MODE |
 				  IDE_HFLAG_OFF_BOARD,
 		.pio_mask	= ATA_PIO4,
 		.mwdma_mask	= ATA_MWDMA2,
 		.udma_mask	= ATA_UDMA5,
 	}
 };

 /**
  *	aec62xx_init_one	-	called when a AEC is found
  *	@dev: the aec62xx device
  *	@id: the matching pci id
  *
  *	Called when the PCI registration layer (or the IDE initialization)
  *	finds a device matching our IDE device tables.
  *
  *	NOTE: since we're going to modify the 'name' field for AEC-6[26]80[R]
  *	chips, pass a local copy of 'struct ide_port_info' down the call chain.
  */

 static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
 	struct ide_port_info d;
 	u8 idx = id->driver_data;
 	int err;

 	err = pci_enable_device(dev);
 	if (err)
 		return err;

 	d = aec62xx_chipsets[idx];

 	if (idx == 3 || idx == 4) {
 		unsigned long dma_base = pci_resource_start(dev, 4);

 		if (inb(dma_base + 2) & 0x10) {
 			d.name = (idx == 4) ? "AEC6880R" : "AEC6880";
 			d.udma_mask = ATA_UDMA6;
 		}
 	}

 	err = ide_setup_pci_device(dev, &d);
 	if (err)
 		pci_disable_device(dev);

 	return err;
 }

 static const struct pci_device_id aec62xx_pci_tbl[] = {
 	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF), 0 },
 	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP860),   1 },
 	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R),  2 },
 	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP865),   3 },
 	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R),  4 },
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, aec62xx_pci_tbl);

 static struct pci_driver driver = {
 	.name		= "AEC62xx_IDE",
 	.id_table	= aec62xx_pci_tbl,
 	.probe		= aec62xx_init_one,
 };

 static int __init aec62xx_ide_init(void)
 {
 	return ide_pci_register_driver(&driver);
 }

 module_init(aec62xx_ide_init);

 MODULE_AUTHOR("Andre Hedrick");
 MODULE_DESCRIPTION("PCI driver module for ARTOP AEC62xx IDE");
 MODULE_LICENSE("GPL");
	/*
	* linux/drivers/ide/pci/aec62xx.c Version 0.27 Sep 16, 2007
	*
	* Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org>
	* Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
	*
	*/

	#include <linux/module.h>
	#include <linux/types.h>
	#include <linux/pci.h>
	#include <linux/delay.h>
	#include <linux/hdreg.h>
	#include <linux/ide.h>
	#include <linux/init.h>

	#include <asm/io.h>

	struct chipset_bus_clock_list_entry {
	u8 xfer_speed;
	u8 chipset_settings;
	u8 ultra_settings;
	};

	static const struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
	{ XFER_UDMA_6, 0x31, 0x07 },
	{ XFER_UDMA_5, 0x31, 0x06 },
	{ XFER_UDMA_4, 0x31, 0x05 },
	{ XFER_UDMA_3, 0x31, 0x04 },
	{ XFER_UDMA_2, 0x31, 0x03 },
	{ XFER_UDMA_1, 0x31, 0x02 },
	{ XFER_UDMA_0, 0x31, 0x01 },

	{ XFER_MW_DMA_2, 0x31, 0x00 },
	{ XFER_MW_DMA_1, 0x31, 0x00 },
	{ XFER_MW_DMA_0, 0x0a, 0x00 },
	{ XFER_PIO_4, 0x31, 0x00 },
	{ XFER_PIO_3, 0x33, 0x00 },
	{ XFER_PIO_2, 0x08, 0x00 },
	{ XFER_PIO_1, 0x0a, 0x00 },
	{ XFER_PIO_0, 0x00, 0x00 },
	{ 0, 0x00, 0x00 }
	};

	static const struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
	{ XFER_UDMA_6, 0x41, 0x06 },
	{ XFER_UDMA_5, 0x41, 0x05 },
	{ XFER_UDMA_4, 0x41, 0x04 },
	{ XFER_UDMA_3, 0x41, 0x03 },
	{ XFER_UDMA_2, 0x41, 0x02 },
	{ XFER_UDMA_1, 0x41, 0x01 },
	{ XFER_UDMA_0, 0x41, 0x01 },

	{ XFER_MW_DMA_2, 0x41, 0x00 },
	{ XFER_MW_DMA_1, 0x42, 0x00 },
	{ XFER_MW_DMA_0, 0x7a, 0x00 },
	{ XFER_PIO_4, 0x41, 0x00 },
	{ XFER_PIO_3, 0x43, 0x00 },
	{ XFER_PIO_2, 0x78, 0x00 },
	{ XFER_PIO_1, 0x7a, 0x00 },
	{ XFER_PIO_0, 0x70, 0x00 },
	{ 0, 0x00, 0x00 }
	};

	#define BUSCLOCK(D) \
	((struct chipset_bus_clock_list_entry *) pci_get_drvdata((D)))


	/*
	* TO DO: active tuning and correction of cards without a bios.
	*/
	static u8 pci_bus_clock_list (u8 speed, struct chipset_bus_clock_list_entry * chipset_table)
	{
	for ( ; chipset_table->xfer_speed ; chipset_table++)
	if (chipset_table->xfer_speed == speed) {
	return chipset_table->chipset_settings;
	}
	return chipset_table->chipset_settings;
	}

	static u8 pci_bus_clock_list_ultra (u8 speed, struct chipset_bus_clock_list_entry * chipset_table)
	{
	for ( ; chipset_table->xfer_speed ; chipset_table++)
	if (chipset_table->xfer_speed == speed) {
	return chipset_table->ultra_settings;
	}
	return chipset_table->ultra_settings;
	}

	static void aec6210_set_mode(ide_drive_t *drive, const u8 speed)
	{
	ide_hwif_t *hwif = HWIF(drive);
	struct pci_dev *dev = to_pci_dev(hwif->dev);
	u16 d_conf = 0;
	u8 ultra = 0, ultra_conf = 0;
	u8 tmp0 = 0, tmp1 = 0, tmp2 = 0;
	unsigned long flags;

	local_irq_save(flags);
	/* 0x40\|(2drive->dn): Active, 0x41\|(2drive->dn): Recovery */
	pci_read_config_word(dev, 0x40\|(2*drive->dn), &d_conf);
	tmp0 = pci_bus_clock_list(speed, BUSCLOCK(dev));
	d_conf = ((tmp0 & 0xf0) << 4) \| (tmp0 & 0xf);
	pci_write_config_word(dev, 0x40\|(2*drive->dn), d_conf);

	tmp1 = 0x00;
	tmp2 = 0x00;
	pci_read_config_byte(dev, 0x54, &ultra);
	tmp1 = ((0x00 << (2drive->dn)) \| (ultra & ~(3 << (2drive->dn))));
	ultra_conf = pci_bus_clock_list_ultra(speed, BUSCLOCK(dev));
	tmp2 = ((ultra_conf << (2drive->dn)) \| (tmp1 & ~(3 << (2drive->dn))));
	pci_write_config_byte(dev, 0x54, tmp2);
	local_irq_restore(flags);
	}

	static void aec6260_set_mode(ide_drive_t *drive, const u8 speed)
	{
	ide_hwif_t *hwif = HWIF(drive);
	struct pci_dev *dev = to_pci_dev(hwif->dev);
	u8 unit = (drive->select.b.unit & 0x01);
	u8 tmp1 = 0, tmp2 = 0;
	u8 ultra = 0, drive_conf = 0, ultra_conf = 0;
	unsigned long flags;

	local_irq_save(flags);
	/* high 4-bits: Active, low 4-bits: Recovery */
	pci_read_config_byte(dev, 0x40\|drive->dn, &drive_conf);
	drive_conf = pci_bus_clock_list(speed, BUSCLOCK(dev));
	pci_write_config_byte(dev, 0x40\|drive->dn, drive_conf);

	pci_read_config_byte(dev, (0x44\|hwif->channel), &ultra);
	tmp1 = ((0x00 << (4unit)) \| (ultra & ~(7 << (4unit))));
	ultra_conf = pci_bus_clock_list_ultra(speed, BUSCLOCK(dev));
	tmp2 = ((ultra_conf << (4unit)) \| (tmp1 & ~(7 << (4unit))));
	pci_write_config_byte(dev, (0x44\|hwif->channel), tmp2);
	local_irq_restore(flags);
	}

	static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio)
	{
	drive->hwif->set_dma_mode(drive, pio + XFER_PIO_0);
	}

	static unsigned int __devinit init_chipset_aec62xx(struct pci_dev dev, const char name)
	{
	int bus_speed = system_bus_clock();

	if (bus_speed <= 33)
	pci_set_drvdata(dev, (void *) aec6xxx_33_base);
	else
	pci_set_drvdata(dev, (void *) aec6xxx_34_base);

	/* These are necessary to get AEC6280 Macintosh cards to work */
	if ((dev->device == PCI_DEVICE_ID_ARTOP_ATP865) \|\|
	(dev->device == PCI_DEVICE_ID_ARTOP_ATP865R)) {
	u8 reg49h = 0, reg4ah = 0;
	/* Clear reset and test bits. */
	pci_read_config_byte(dev, 0x49, &reg49h);
	pci_write_config_byte(dev, 0x49, reg49h & ~0x30);
	/* Enable chip interrupt output. */
	pci_read_config_byte(dev, 0x4a, &reg4ah);
	pci_write_config_byte(dev, 0x4a, reg4ah & ~0x01);
	/* Enable burst mode. */
	pci_read_config_byte(dev, 0x4a, &reg4ah);
	pci_write_config_byte(dev, 0x4a, reg4ah \| 0x80);
	}

	return dev->irq;
	}

	static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
	{
	struct pci_dev *dev = to_pci_dev(hwif->dev);

	hwif->set_pio_mode = &aec_set_pio_mode;

	if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
	hwif->set_dma_mode = &aec6210_set_mode;
	else
	hwif->set_dma_mode = &aec6260_set_mode;

	if (hwif->dma_base == 0)
	return;

	if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
	return;

	if (hwif->cbl != ATA_CBL_PATA40_SHORT) {
	u8 ata66 = 0, mask = hwif->channel ? 0x02 : 0x01;

	pci_read_config_byte(dev, 0x49, &ata66);

	hwif->cbl = (ata66 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
	}
	}

	static const struct ide_port_info aec62xx_chipsets[] __devinitdata = {
	{ /* 0 */
	.name = "AEC6210",
	.init_chipset = init_chipset_aec62xx,
	.init_hwif = init_hwif_aec62xx,
	.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
	.host_flags = IDE_HFLAG_SERIALIZE \|
	IDE_HFLAG_NO_ATAPI_DMA \|
	IDE_HFLAG_NO_DSC \|
	IDE_HFLAG_ABUSE_SET_DMA_MODE \|
	IDE_HFLAG_OFF_BOARD,
	.pio_mask = ATA_PIO4,
	.mwdma_mask = ATA_MWDMA2,
	.udma_mask = ATA_UDMA2,
	},{ /* 1 */
	.name = "AEC6260",
	.init_chipset = init_chipset_aec62xx,
	.init_hwif = init_hwif_aec62xx,
	.host_flags = IDE_HFLAG_NO_ATAPI_DMA \| IDE_HFLAG_NO_AUTODMA \|
	IDE_HFLAG_ABUSE_SET_DMA_MODE \|
	IDE_HFLAG_OFF_BOARD,
	.pio_mask = ATA_PIO4,
	.mwdma_mask = ATA_MWDMA2,
	.udma_mask = ATA_UDMA4,
	},{ /* 2 */
	.name = "AEC6260R",
	.init_chipset = init_chipset_aec62xx,
	.init_hwif = init_hwif_aec62xx,
	.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
	.host_flags = IDE_HFLAG_NO_ATAPI_DMA \|
	IDE_HFLAG_ABUSE_SET_DMA_MODE,
	.pio_mask = ATA_PIO4,
	.mwdma_mask = ATA_MWDMA2,
	.udma_mask = ATA_UDMA4,
	},{ /* 3 */
	.name = "AEC6280",
	.init_chipset = init_chipset_aec62xx,
	.init_hwif = init_hwif_aec62xx,
	.host_flags = IDE_HFLAG_NO_ATAPI_DMA \|
	IDE_HFLAG_ABUSE_SET_DMA_MODE \|
	IDE_HFLAG_OFF_BOARD,
	.pio_mask = ATA_PIO4,
	.mwdma_mask = ATA_MWDMA2,
	.udma_mask = ATA_UDMA5,
	},{ /* 4 */
	.name = "AEC6280R",
	.init_chipset = init_chipset_aec62xx,
	.init_hwif = init_hwif_aec62xx,
	.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
	.host_flags = IDE_HFLAG_NO_ATAPI_DMA \|
	IDE_HFLAG_ABUSE_SET_DMA_MODE \|
	IDE_HFLAG_OFF_BOARD,
	.pio_mask = ATA_PIO4,
	.mwdma_mask = ATA_MWDMA2,
	.udma_mask = ATA_UDMA5,
	}
	};

	/**
	* aec62xx_init_one - called when a AEC is found
	* @dev: the aec62xx device
	* @id: the matching pci id
	*
	* Called when the PCI registration layer (or the IDE initialization)
	* finds a device matching our IDE device tables.
	*
	* NOTE: since we're going to modify the 'name' field for AEC-6[26]80[R]
	* chips, pass a local copy of 'struct ide_port_info' down the call chain.
	*/

	static int __devinit aec62xx_init_one(struct pci_dev dev, const struct pci_device_id id)
	{
	struct ide_port_info d;
	u8 idx = id->driver_data;
	int err;

	err = pci_enable_device(dev);
	if (err)
	return err;

	d = aec62xx_chipsets[idx];

	if (idx == 3 \|\| idx == 4) {
	unsigned long dma_base = pci_resource_start(dev, 4);

	if (inb(dma_base + 2) & 0x10) {
	d.name = (idx == 4) ? "AEC6880R" : "AEC6880";
	d.udma_mask = ATA_UDMA6;
	}
	}

	err = ide_setup_pci_device(dev, &d);
	if (err)
	pci_disable_device(dev);

	return err;
	}

	static const struct pci_device_id aec62xx_pci_tbl[] = {
	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF), 0 },
	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP860), 1 },
	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R), 2 },
	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP865), 3 },
	{ PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R), 4 },
	{ 0, },
	};
	MODULE_DEVICE_TABLE(pci, aec62xx_pci_tbl);

	static struct pci_driver driver = {
	.name = "AEC62xx_IDE",
	.id_table = aec62xx_pci_tbl,
	.probe = aec62xx_init_one,
	};

	static int __init aec62xx_ide_init(void)
	{
	return ide_pci_register_driver(&driver);
	}

	module_init(aec62xx_ide_init);

	MODULE_AUTHOR("Andre Hedrick");
	MODULE_DESCRIPTION("PCI driver module for ARTOP AEC62xx IDE");
	MODULE_LICENSE("GPL");