Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 652 insertions, 0 deletions

diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
new file mode 100644
index 000000000..0b122f903
--- /dev/null
+++ b/drivers/ata/pata_ali.c
@@ -0,0 +1,652 @@
+/*
+ * pata_ali.c 	- ALI 15x3 PATA for new ATA layer
+ *			  (C) 2005 Red Hat Inc
+ *
+ * based in part upon
+ * linux/drivers/ide/pci/alim15x3.c		Version 0.17	2003/01/02
+ *
+ *  Copyright (C) 1998-2000 Michel Aubry, Maintainer
+ *  Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer
+ *  Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer
+ *
+ *  Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org)
+ *  May be copied or modified under the terms of the GNU General Public License
+ *  Copyright (C) 2002 Alan Cox <alan@redhat.com>
+ *  ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw>
+ *
+ *  Documentation
+ *	Chipset documentation available under NDA only
+ *
+ *  TODO/CHECK
+ *	Cannot have ATAPI on both master & slave for rev < c2 (???) but
+ *	otherwise should do atapi DMA (For now for old we do PIO only for
+ *	ATAPI)
+ *	Review Sunblade workaround.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/blkdev.h>
+#include <linux/delay.h>
+#include <scsi/scsi_host.h>
+#include <linux/libata.h>
+#include <linux/dmi.h>
+
+#define DRV_NAME "pata_ali"
+#define DRV_VERSION "0.7.8"
+
+static int ali_atapi_dma = 0;
+module_param_named(atapi_dma, ali_atapi_dma, int, 0644);
+MODULE_PARM_DESC(atapi_dma, "Enable ATAPI DMA (0=disable, 1=enable)");
+
+static struct pci_dev *ali_isa_bridge;
+
+/*
+ *	Cable special cases
+ */
+
+static const struct dmi_system_id cable_dmi_table[] = {
+	{
+		.ident = "HP Pavilion N5430",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"),
+		},
+	},
+	{
+		.ident = "Toshiba Satellite S1800-814",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"),
+		},
+	},
+	{ }
+};
+
+static int ali_cable_override(struct pci_dev *pdev)
+{
+	/* Fujitsu P2000 */
+	if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF)
+	   	return 1;
+	/* Mitac 8317 (Winbook-A) and relatives */
+	if (pdev->subsystem_vendor == 0x1071 && pdev->subsystem_device == 0x8317)
+		return 1;
+	/* Systems by DMI */
+	if (dmi_check_system(cable_dmi_table))
+		return 1;
+	return 0;
+}
+
+/**
+ *	ali_c2_cable_detect	-	cable detection
+ *	@ap: ATA port
+ *
+ *	Perform cable detection for C2 and later revisions
+ */
+
+static int ali_c2_cable_detect(struct ata_port *ap)
+{
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	u8 ata66;
+
+	/* Certain laptops use short but suitable cables and don't
+	   implement the detect logic */
+
+	if (ali_cable_override(pdev))
+		return ATA_CBL_PATA40_SHORT;
+
+	/* Host view cable detect 0x4A bit 0 primary bit 1 secondary
+	   Bit set for 40 pin */
+	pci_read_config_byte(pdev, 0x4A, &ata66);
+	if (ata66 & (1 << ap->port_no))
+		return ATA_CBL_PATA40;
+	else
+		return ATA_CBL_PATA80;
+}
+
+/**
+ *	ali_20_filter		-	filter for earlier ALI DMA
+ *	@ap: ALi ATA port
+ *	@adev: attached device
+ *
+ *	Ensure that we do not do DMA on CD devices. We may be able to
+ *	fix that later on. Also ensure we do not do UDMA on WDC drives
+ */
+
+static unsigned long ali_20_filter(struct ata_device *adev, unsigned long mask)
+{
+	char model_num[ATA_ID_PROD_LEN + 1];
+	/* No DMA on anything but a disk for now */
+	if (adev->class != ATA_DEV_ATA)
+		mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
+	ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num));
+	if (strstr(model_num, "WDC"))
+		return mask &= ~ATA_MASK_UDMA;
+	return mask;
+}
+
+/**
+ *	ali_fifo_control	-	FIFO manager
+ *	@ap: ALi channel to control
+ *	@adev: device for FIFO control
+ *	@on: 0 for off 1 for on
+ *
+ *	Enable or disable the FIFO on a given device. Because of the way the
+ *	ALi FIFO works it provides a boost on ATA disk but can be confused by
+ *	ATAPI and we must therefore manage it.
+ */
+
+static void ali_fifo_control(struct ata_port *ap, struct ata_device *adev, int on)
+{
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	int pio_fifo = 0x54 + ap->port_no;
+	u8 fifo;
+	int shift = 4 * adev->devno;
+
+	/* ATA - FIFO on set nibble to 0x05, ATAPI - FIFO off, set nibble to
+	   0x00. Not all the docs agree but the behaviour we now use is the
+	   one stated in the BIOS Programming Guide */
+
+	pci_read_config_byte(pdev, pio_fifo, &fifo);
+	fifo &= ~(0x0F << shift);
+	fifo |= (on << shift);
+	pci_write_config_byte(pdev, pio_fifo, fifo);
+}
+
+/**
+ *	ali_program_modes	-	load mode registers
+ *	@ap: ALi channel to load
+ *	@adev: Device the timing is for
+ *	@t: timing data
+ *	@ultra: UDMA timing or zero for off
+ *
+ *	Loads the timing registers for cmd/data and disable UDMA if
+ *	ultra is zero. If ultra is set then load and enable the UDMA
+ *	timing but do not touch the command/data timing.
+ */
+
+static void ali_program_modes(struct ata_port *ap, struct ata_device *adev, struct ata_timing *t, u8 ultra)
+{
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	int cas = 0x58 + 4 * ap->port_no;	/* Command timing */
+	int cbt = 0x59 + 4 * ap->port_no;	/* Command timing */
+	int drwt = 0x5A + 4 * ap->port_no + adev->devno; /* R/W timing */
+	int udmat = 0x56 + ap->port_no;	/* UDMA timing */
+	int shift = 4 * adev->devno;
+	u8 udma;
+
+	if (t != NULL) {
+		t->setup = clamp_val(t->setup, 1, 8) & 7;
+		t->act8b = clamp_val(t->act8b, 1, 8) & 7;
+		t->rec8b = clamp_val(t->rec8b, 1, 16) & 15;
+		t->active = clamp_val(t->active, 1, 8) & 7;
+		t->recover = clamp_val(t->recover, 1, 16) & 15;
+
+		pci_write_config_byte(pdev, cas, t->setup);
+		pci_write_config_byte(pdev, cbt, (t->act8b << 4) | t->rec8b);
+		pci_write_config_byte(pdev, drwt, (t->active << 4) | t->recover);
+	}
+
+	/* Set up the UDMA enable */
+	pci_read_config_byte(pdev, udmat, &udma);
+	udma &= ~(0x0F << shift);
+	udma |= ultra << shift;
+	pci_write_config_byte(pdev, udmat, udma);
+}
+
+/**
+ *	ali_set_piomode	-	set initial PIO mode data
+ *	@ap: ATA interface
+ *	@adev: ATA device
+ *
+ *	Program the ALi registers for PIO mode.
+ */
+
+static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev)
+{
+	struct ata_device *pair = ata_dev_pair(adev);
+	struct ata_timing t;
+	unsigned long T =  1000000000 / 33333;	/* PCI clock based */
+
+	ata_timing_compute(adev, adev->pio_mode, &t, T, 1);
+	if (pair) {
+		struct ata_timing p;
+		ata_timing_compute(pair, pair->pio_mode, &p, T, 1);
+		ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
+		if (pair->dma_mode) {
+			ata_timing_compute(pair, pair->dma_mode, &p, T, 1);
+			ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
+		}
+	}
+
+	/* PIO FIFO is only permitted on ATA disk */
+	if (adev->class != ATA_DEV_ATA)
+		ali_fifo_control(ap, adev, 0x00);
+	ali_program_modes(ap, adev, &t, 0);
+	if (adev->class == ATA_DEV_ATA)
+		ali_fifo_control(ap, adev, 0x05);
+
+}
+
+/**
+ *	ali_set_dmamode	-	set initial DMA mode data
+ *	@ap: ATA interface
+ *	@adev: ATA device
+ *
+ *	Program the ALi registers for DMA mode.
+ */
+
+static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev)
+{
+	static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD };
+	struct ata_device *pair = ata_dev_pair(adev);
+	struct ata_timing t;
+	unsigned long T =  1000000000 / 33333;	/* PCI clock based */
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+
+
+	if (adev->class == ATA_DEV_ATA)
+		ali_fifo_control(ap, adev, 0x08);
+
+	if (adev->dma_mode >= XFER_UDMA_0) {
+		ali_program_modes(ap, adev, NULL, udma_timing[adev->dma_mode - XFER_UDMA_0]);
+		if (adev->dma_mode >= XFER_UDMA_3) {
+			u8 reg4b;
+			pci_read_config_byte(pdev, 0x4B, &reg4b);
+			reg4b |= 1;
+			pci_write_config_byte(pdev, 0x4B, reg4b);
+		}
+	} else {
+		ata_timing_compute(adev, adev->dma_mode, &t, T, 1);
+		if (pair) {
+			struct ata_timing p;
+			ata_timing_compute(pair, pair->pio_mode, &p, T, 1);
+			ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
+			if (pair->dma_mode) {
+				ata_timing_compute(pair, pair->dma_mode, &p, T, 1);
+				ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
+			}
+		}
+		ali_program_modes(ap, adev, &t, 0);
+	}
+}
+
+/**
+ *	ali_warn_atapi_dma	-	Warn about ATAPI DMA disablement
+ *	@adev: Device
+ *
+ *	Whine about ATAPI DMA disablement if @adev is an ATAPI device.
+ *	Can be used as ->dev_config.
+ */
+
+static void ali_warn_atapi_dma(struct ata_device *adev)
+{
+	struct ata_eh_context *ehc = &adev->link->eh_context;
+	int print_info = ehc->i.flags & ATA_EHI_PRINTINFO;
+
+	if (print_info && adev->class == ATA_DEV_ATAPI && !ali_atapi_dma) {
+		ata_dev_warn(adev,
+			     "WARNING: ATAPI DMA disabled for reliability issues.  It can be enabled\n");
+		ata_dev_warn(adev,
+			     "WARNING: via pata_ali.atapi_dma modparam or corresponding sysfs node.\n");
+	}
+}
+
+/**
+ *	ali_lock_sectors	-	Keep older devices to 255 sector mode
+ *	@adev: Device
+ *
+ *	Called during the bus probe for each device that is found. We use
+ *	this call to lock the sector count of the device to 255 or less on
+ *	older ALi controllers. If we didn't do this then large I/O's would
+ *	require LBA48 commands which the older ALi requires are issued by
+ *	slower PIO methods
+ */
+
+static void ali_lock_sectors(struct ata_device *adev)
+{
+	adev->max_sectors = 255;
+	ali_warn_atapi_dma(adev);
+}
+
+/**
+ *	ali_check_atapi_dma	-	DMA check for most ALi controllers
+ *	@adev: Device
+ *
+ *	Called to decide whether commands should be sent by DMA or PIO
+ */
+
+static int ali_check_atapi_dma(struct ata_queued_cmd *qc)
+{
+	if (!ali_atapi_dma) {
+		/* FIXME: pata_ali can't do ATAPI DMA reliably but the
+		 * IDE alim15x3 driver can.  I tried lots of things
+		 * but couldn't find what the actual difference was.
+		 * If you got an idea, please write it to
+		 * linux-ide@vger.kernel.org and cc htejun@gmail.com.
+		 *
+		 * Disable ATAPI DMA for now.
+		 */
+		return -EOPNOTSUPP;
+	}
+
+	/* If its not a media command, its not worth it */
+	if (atapi_cmd_type(qc->cdb[0]) == ATAPI_MISC)
+		return -EOPNOTSUPP;
+	return 0;
+}
+
+static void ali_c2_c3_postreset(struct ata_link *link, unsigned int *classes)
+{
+	u8 r;
+	int port_bit = 4 << link->ap->port_no;
+
+	/* If our bridge is an ALI 1533 then do the extra work */
+	if (ali_isa_bridge) {
+		/* Tristate and re-enable the bus signals */
+		pci_read_config_byte(ali_isa_bridge, 0x58, &r);
+		r &= ~port_bit;
+		pci_write_config_byte(ali_isa_bridge, 0x58, r);
+		r |= port_bit;
+		pci_write_config_byte(ali_isa_bridge, 0x58, r);
+	}
+	ata_sff_postreset(link, classes);
+}
+
+static struct scsi_host_template ali_sht = {
+	ATA_BMDMA_SHT(DRV_NAME),
+};
+
+/*
+ *	Port operations for PIO only ALi
+ */
+
+static struct ata_port_operations ali_early_port_ops = {
+	.inherits	= &ata_sff_port_ops,
+	.cable_detect	= ata_cable_40wire,
+	.set_piomode	= ali_set_piomode,
+	.sff_data_xfer  = ata_sff_data_xfer32,
+};
+
+static const struct ata_port_operations ali_dma_base_ops = {
+	.inherits	= &ata_bmdma32_port_ops,
+	.set_piomode	= ali_set_piomode,
+	.set_dmamode	= ali_set_dmamode,
+};
+
+/*
+ *	Port operations for DMA capable ALi without cable
+ *	detect
+ */
+static struct ata_port_operations ali_20_port_ops = {
+	.inherits	= &ali_dma_base_ops,
+	.cable_detect	= ata_cable_40wire,
+	.mode_filter	= ali_20_filter,
+	.check_atapi_dma = ali_check_atapi_dma,
+	.dev_config	= ali_lock_sectors,
+};
+
+/*
+ *	Port operations for DMA capable ALi with cable detect
+ */
+static struct ata_port_operations ali_c2_port_ops = {
+	.inherits	= &ali_dma_base_ops,
+	.check_atapi_dma = ali_check_atapi_dma,
+	.cable_detect	= ali_c2_cable_detect,
+	.dev_config	= ali_lock_sectors,
+	.postreset	= ali_c2_c3_postreset,
+};
+
+/*
+ *	Port operations for DMA capable ALi with cable detect
+ */
+static struct ata_port_operations ali_c4_port_ops = {
+	.inherits	= &ali_dma_base_ops,
+	.check_atapi_dma = ali_check_atapi_dma,
+	.cable_detect	= ali_c2_cable_detect,
+	.dev_config	= ali_lock_sectors,
+};
+
+/*
+ *	Port operations for DMA capable ALi with cable detect and LBA48
+ */
+static struct ata_port_operations ali_c5_port_ops = {
+	.inherits	= &ali_dma_base_ops,
+	.check_atapi_dma = ali_check_atapi_dma,
+	.dev_config	= ali_warn_atapi_dma,
+	.cable_detect	= ali_c2_cable_detect,
+};
+
+
+/**
+ *	ali_init_chipset	-	chip setup function
+ *	@pdev: PCI device of ATA controller
+ *
+ *	Perform the setup on the device that must be done both at boot
+ *	and at resume time.
+ */
+
+static void ali_init_chipset(struct pci_dev *pdev)
+{
+	u8 tmp;
+	struct pci_dev *north;
+
+	/*
+	 * The chipset revision selects the driver operations and
+	 * mode data.
+	 */
+
+	if (pdev->revision <= 0x20) {
+		pci_read_config_byte(pdev, 0x53, &tmp);
+		tmp |= 0x03;
+		pci_write_config_byte(pdev, 0x53, tmp);
+	} else {
+		pci_read_config_byte(pdev, 0x4a, &tmp);
+		pci_write_config_byte(pdev, 0x4a, tmp | 0x20);
+		pci_read_config_byte(pdev, 0x4B, &tmp);
+		if (pdev->revision < 0xC2)
+			/* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */
+			/* Clear CD-ROM DMA write bit */
+			tmp &= 0x7F;
+		/* Cable and UDMA */
+		if (pdev->revision >= 0xc2)
+			tmp |= 0x01;
+		pci_write_config_byte(pdev, 0x4B, tmp | 0x08);
+		/*
+		 * CD_ROM DMA on (0x53 bit 0). Enable this even if we want
+		 * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control
+		 * via 0x54/55.
+		 */
+		pci_read_config_byte(pdev, 0x53, &tmp);
+		if (pdev->revision >= 0xc7)
+			tmp |= 0x03;
+		else
+			tmp |= 0x01;	/* CD_ROM enable for DMA */
+		pci_write_config_byte(pdev, 0x53, tmp);
+	}
+	north = pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus), 0,
+					    PCI_DEVFN(0, 0));
+	if (north && north->vendor == PCI_VENDOR_ID_AL && ali_isa_bridge) {
+		/* Configure the ALi bridge logic. For non ALi rely on BIOS.
+		   Set the south bridge enable bit */
+		pci_read_config_byte(ali_isa_bridge, 0x79, &tmp);
+		if (pdev->revision == 0xC2)
+			pci_write_config_byte(ali_isa_bridge, 0x79, tmp | 0x04);
+		else if (pdev->revision > 0xC2 && pdev->revision < 0xC5)
+			pci_write_config_byte(ali_isa_bridge, 0x79, tmp | 0x02);
+	}
+	pci_dev_put(north);
+	ata_pci_bmdma_clear_simplex(pdev);
+}
+/**
+ *	ali_init_one		-	discovery callback
+ *	@pdev: PCI device ID
+ *	@id: PCI table info
+ *
+ *	An ALi IDE interface has been discovered. Figure out what revision
+ *	and perform configuration work before handing it to the ATA layer
+ */
+
+static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	static const struct ata_port_info info_early = {
+		.flags = ATA_FLAG_SLAVE_POSS,
+		.pio_mask = ATA_PIO4,
+		.port_ops = &ali_early_port_ops
+	};
+	/* Revision 0x20 added DMA */
+	static const struct ata_port_info info_20 = {
+		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+							ATA_FLAG_IGN_SIMPLEX,
+		.pio_mask = ATA_PIO4,
+		.mwdma_mask = ATA_MWDMA2,
+		.port_ops = &ali_20_port_ops
+	};
+	/* Revision 0x20 with support logic added UDMA */
+	static const struct ata_port_info info_20_udma = {
+		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+							ATA_FLAG_IGN_SIMPLEX,
+		.pio_mask = ATA_PIO4,
+		.mwdma_mask = ATA_MWDMA2,
+		.udma_mask = ATA_UDMA2,
+		.port_ops = &ali_20_port_ops
+	};
+	/* Revision 0xC2 adds UDMA66 */
+	static const struct ata_port_info info_c2 = {
+		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+							ATA_FLAG_IGN_SIMPLEX,
+		.pio_mask = ATA_PIO4,
+		.mwdma_mask = ATA_MWDMA2,
+		.udma_mask = ATA_UDMA4,
+		.port_ops = &ali_c2_port_ops
+	};
+	/* Revision 0xC3 is UDMA66 for now */
+	static const struct ata_port_info info_c3 = {
+		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+							ATA_FLAG_IGN_SIMPLEX,
+		.pio_mask = ATA_PIO4,
+		.mwdma_mask = ATA_MWDMA2,
+		.udma_mask = ATA_UDMA4,
+		.port_ops = &ali_c2_port_ops
+	};
+	/* Revision 0xC4 is UDMA100 */
+	static const struct ata_port_info info_c4 = {
+		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+							ATA_FLAG_IGN_SIMPLEX,
+		.pio_mask = ATA_PIO4,
+		.mwdma_mask = ATA_MWDMA2,
+		.udma_mask = ATA_UDMA5,
+		.port_ops = &ali_c4_port_ops
+	};
+	/* Revision 0xC5 is UDMA133 with LBA48 DMA */
+	static const struct ata_port_info info_c5 = {
+		.flags = ATA_FLAG_SLAVE_POSS | 	ATA_FLAG_IGN_SIMPLEX,
+		.pio_mask = ATA_PIO4,
+		.mwdma_mask = ATA_MWDMA2,
+		.udma_mask = ATA_UDMA6,
+		.port_ops = &ali_c5_port_ops
+	};
+
+	const struct ata_port_info *ppi[] = { NULL, NULL };
+	u8 tmp;
+	int rc;
+
+	rc = pcim_enable_device(pdev);
+	if (rc)
+		return rc;
+
+	/*
+	 * The chipset revision selects the driver operations and
+	 * mode data.
+	 */
+
+	if (pdev->revision < 0x20) {
+		ppi[0] = &info_early;
+	} else if (pdev->revision < 0xC2) {
+        	ppi[0] = &info_20;
+	} else if (pdev->revision == 0xC2) {
+        	ppi[0] = &info_c2;
+	} else if (pdev->revision == 0xC3) {
+        	ppi[0] = &info_c3;
+	} else if (pdev->revision == 0xC4) {
+        	ppi[0] = &info_c4;
+	} else
+        	ppi[0] = &info_c5;
+
+	ali_init_chipset(pdev);
+
+	if (ali_isa_bridge && pdev->revision >= 0x20 && pdev->revision < 0xC2) {
+		/* Are we paired with a UDMA capable chip */
+		pci_read_config_byte(ali_isa_bridge, 0x5E, &tmp);
+		if ((tmp & 0x1E) == 0x12)
+	        	ppi[0] = &info_20_udma;
+	}
+
+	if (!ppi[0]->mwdma_mask && !ppi[0]->udma_mask)
+		return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL, 0);
+	else
+		return ata_pci_bmdma_init_one(pdev, ppi, &ali_sht, NULL, 0);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int ali_reinit_one(struct pci_dev *pdev)
+{
+	struct ata_host *host = pci_get_drvdata(pdev);
+	int rc;
+
+	rc = ata_pci_device_do_resume(pdev);
+	if (rc)
+		return rc;
+	ali_init_chipset(pdev);
+	ata_host_resume(host);
+	return 0;
+}
+#endif
+
+static const struct pci_device_id ali[] = {
+	{ PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), },
+	{ PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), },
+
+	{ },
+};
+
+static struct pci_driver ali_pci_driver = {
+	.name 		= DRV_NAME,
+	.id_table	= ali,
+	.probe 		= ali_init_one,
+	.remove		= ata_pci_remove_one,
+#ifdef CONFIG_PM_SLEEP
+	.suspend	= ata_pci_device_suspend,
+	.resume		= ali_reinit_one,
+#endif
+};
+
+static int __init ali_init(void)
+{
+	int ret;
+	ali_isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
+
+	ret = pci_register_driver(&ali_pci_driver);
+	if (ret < 0)
+		pci_dev_put(ali_isa_bridge);
+	return ret;
+}
+
+
+static void __exit ali_exit(void)
+{
+	pci_unregister_driver(&ali_pci_driver);
+	pci_dev_put(ali_isa_bridge);
+}
+
+
+MODULE_AUTHOR("Alan Cox");
+MODULE_DESCRIPTION("low-level driver for ALi PATA");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pci, ali);
+MODULE_VERSION(DRV_VERSION);
+
+module_init(ali_init);
+module_exit(ali_exit);