Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (50 commits)
  [libata] Delete pata_it8172 driver
  [PATCH] libata: improve handling of diagostic fail (and hardware that misreports it)
  [PATCH] libata: fix non-uniform ports handling
  Fix libata resource conflict for legacy mode
  [libata] ata_piix: build fix
  [PATCH] pata_amd: Check enable bits on Nvidia
  [PATCH] Update SiS PATA
  [libata] Add pata_jmicron driver to Kconfig, Makefile
  [libata #pata-drivers] Trim trailing whitespace.
  [libata] Trim trailing whitespace.
  [libata] Add a bunch of PATA drivers.
  Rename libata-bmdma.c to libata-sff.c.
  libata: Grand renaming.
  Clean up drivers/ata/Kconfig a bit.
  [PATCH] CONFIG_PM=n slim: drivers/scsi/sata_sil*
  [PATCH] sata_via: Add SATA support for vt8237a
  [PATCH] libata: change path to libata in libata.tmpl
  [PATCH] libata: s/CONFIG_SCSI_SATA/CONFIG_[S]ATA/g in pci/quirks.c
  libata: Make sure drivers/ata is a separate Kconfig menu
  [libata] ata_piix: add missing kfree()
  ...

Documentation/DocBook/libata.tmpl

@@ -868,18 +868,18 @@ and other resources, etc.
 
   <chapter id="libataExt">
      <title>libata Library</title>
-!Edrivers/scsi/libata-core.c
+!Edrivers/ata/libata-core.c
   </chapter>
 
   <chapter id="libataInt">
      <title>libata Core Internals</title>
-!Idrivers/scsi/libata-core.c
+!Idrivers/ata/libata-core.c
   </chapter>
 
   <chapter id="libataScsiInt">
      <title>libata SCSI translation/emulation</title>
-!Edrivers/scsi/libata-scsi.c
-!Idrivers/scsi/libata-scsi.c
+!Edrivers/ata/libata-scsi.c
+!Idrivers/ata/libata-scsi.c
   </chapter>
 
   <chapter id="ataExceptions">
@@ -1600,12 +1600,12 @@ and other resources, etc.
 
   <chapter id="PiixInt">
      <title>ata_piix Internals</title>
-!Idrivers/scsi/ata_piix.c
+!Idrivers/ata/ata_piix.c
   </chapter>
 
   <chapter id="SILInt">
      <title>sata_sil Internals</title>
-!Idrivers/scsi/sata_sil.c
+!Idrivers/ata/sata_sil.c
   </chapter>
 
   <chapter id="libataThanks">

drivers/Kconfig

@@ -18,6 +18,8 @@ source "drivers/ide/Kconfig"
 
 source "drivers/scsi/Kconfig"
 
+source "drivers/ata/Kconfig"
+
 source "drivers/cdrom/Kconfig"
 
 source "drivers/md/Kconfig"

drivers/Makefile

@@ -34,6 +34,7 @@ obj-$(CONFIG_PPC_PMAC)		+= macintosh/
 obj-$(CONFIG_IDE)		+= ide/
 obj-$(CONFIG_FC4)		+= fc4/
 obj-$(CONFIG_SCSI)		+= scsi/
+obj-$(CONFIG_ATA)		+= ata/
 obj-$(CONFIG_FUSION)		+= message/
 obj-$(CONFIG_IEEE1394)		+= ieee1394/
 obj-y				+= cdrom/

drivers/ata/Makefile

+
+obj-$(CONFIG_ATA)		+= libata.o
+
+obj-$(CONFIG_SATA_AHCI)		+= ahci.o
+obj-$(CONFIG_SATA_SVW)		+= sata_svw.o
+obj-$(CONFIG_ATA_PIIX)		+= ata_piix.o
+obj-$(CONFIG_SATA_PROMISE)	+= sata_promise.o
+obj-$(CONFIG_SATA_QSTOR)	+= sata_qstor.o
+obj-$(CONFIG_SATA_SIL)		+= sata_sil.o
+obj-$(CONFIG_SATA_SIL24)	+= sata_sil24.o
+obj-$(CONFIG_SATA_VIA)		+= sata_via.o
+obj-$(CONFIG_SATA_VITESSE)	+= sata_vsc.o
+obj-$(CONFIG_SATA_SIS)		+= sata_sis.o
+obj-$(CONFIG_SATA_SX4)		+= sata_sx4.o
+obj-$(CONFIG_SATA_NV)		+= sata_nv.o
+obj-$(CONFIG_SATA_ULI)		+= sata_uli.o
+obj-$(CONFIG_SATA_MV)		+= sata_mv.o
+obj-$(CONFIG_PDC_ADMA)		+= pdc_adma.o
+
+obj-$(CONFIG_PATA_ALI)		+= pata_ali.o
+obj-$(CONFIG_PATA_AMD)		+= pata_amd.o
+obj-$(CONFIG_PATA_ARTOP)	+= pata_artop.o
+obj-$(CONFIG_PATA_ATIIXP)	+= pata_atiixp.o
+obj-$(CONFIG_PATA_CMD64X)	+= pata_cmd64x.o
+obj-$(CONFIG_PATA_CS5520)	+= pata_cs5520.o
+obj-$(CONFIG_PATA_CS5530)	+= pata_cs5530.o
+obj-$(CONFIG_PATA_CS5535)	+= pata_cs5535.o
+obj-$(CONFIG_PATA_CYPRESS)	+= pata_cypress.o
+obj-$(CONFIG_PATA_EFAR)		+= pata_efar.o
+obj-$(CONFIG_PATA_HPT366)	+= pata_hpt366.o
+obj-$(CONFIG_PATA_HPT37X)	+= pata_hpt37x.o
+obj-$(CONFIG_PATA_HPT3X2N)	+= pata_hpt3x2n.o
+obj-$(CONFIG_PATA_HPT3X3)	+= pata_hpt3x3.o
+obj-$(CONFIG_PATA_ISAPNP)	+= pata_isapnp.o
+obj-$(CONFIG_PATA_IT821X)	+= pata_it821x.o
+obj-$(CONFIG_PATA_JMICRON)	+= pata_jmicron.o
+obj-$(CONFIG_PATA_NETCELL)	+= pata_netcell.o
+obj-$(CONFIG_PATA_NS87410)	+= pata_ns87410.o
+obj-$(CONFIG_PATA_OPTI)		+= pata_opti.o
+obj-$(CONFIG_PATA_OPTIDMA)	+= pata_optidma.o
+obj-$(CONFIG_PATA_MPIIX)	+= pata_mpiix.o
+obj-$(CONFIG_PATA_OLDPIIX)	+= pata_oldpiix.o
+obj-$(CONFIG_PATA_PCMCIA)	+= pata_pcmcia.o
+obj-$(CONFIG_PATA_PDC2027X)	+= pata_pdc2027x.o
+obj-$(CONFIG_PATA_PDC_OLD)	+= pata_pdc202xx_old.o
+obj-$(CONFIG_PATA_QDI)		+= pata_qdi.o
+obj-$(CONFIG_PATA_RADISYS)	+= pata_radisys.o
+obj-$(CONFIG_PATA_RZ1000)	+= pata_rz1000.o
+obj-$(CONFIG_PATA_SC1200)	+= pata_sc1200.o
+obj-$(CONFIG_PATA_SERVERWORKS)	+= pata_serverworks.o
+obj-$(CONFIG_PATA_SIL680)	+= pata_sil680.o
+obj-$(CONFIG_PATA_VIA)		+= pata_via.o
+obj-$(CONFIG_PATA_WINBOND)	+= pata_sl82c105.o
+obj-$(CONFIG_PATA_SIS)		+= pata_sis.o
+obj-$(CONFIG_PATA_TRIFLEX)	+= pata_triflex.o
+# Should be last but one libata driver
+obj-$(CONFIG_ATA_GENERIC)	+= ata_generic.o
+# Should be last libata driver
+obj-$(CONFIG_PATA_LEGACY)	+= pata_legacy.o
+
+libata-objs	:= libata-core.o libata-scsi.o libata-sff.o libata-eh.o
+

drivers/ata/ata_generic.c

+/*
+ *  ata_generic.c - Generic PATA/SATA controller driver.
+ *  Copyright 2005 Red Hat Inc <alan@redhat.com>, all rights reserved.
+ *
+ *  Elements from ide/pci/generic.c
+ *	    Copyright (C) 2001-2002	Andre Hedrick <andre@linux-ide.org>
+ *	    Portions (C) Copyright 2002  Red Hat Inc <alan@redhat.com>
+ *
+ *  May be copied or modified under the terms of the GNU General Public License
+ *
+ *  Driver for PCI IDE interfaces implementing the standard bus mastering
+ *  interface functionality. This assumes the BIOS did the drive set up and
+ *  tuning for us. By default we do not grab all IDE class devices as they
+ *  may have other drivers or need fixups to avoid problems. Instead we keep
+ *  a default list of stuff without documentation/driver that appears to
+ *  work.
+ */
+
+#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>
+
+#define DRV_NAME "ata_generic"
+#define DRV_VERSION "0.2.6"
+
+/*
+ *	A generic parallel ATA driver using libata
+ */
+
+/**
+ *	generic_pre_reset		-	probe begin
+ *	@ap: ATA port
+ *
+ *	Set up cable type and use generic probe init
+ */
+
+static int generic_pre_reset(struct ata_port *ap)
+{
+	ap->cbl = ATA_CBL_PATA80;
+	return ata_std_prereset(ap);
+}
+
+
+/**
+ *	generic_error_handler - Probe specified port on PATA host controller
+ *	@ap: Port to probe
+ *	@classes:
+ *
+ *	LOCKING:
+ *	None (inherited from caller).
+ */
+
+
+static void generic_error_handler(struct ata_port *ap)
+{
+	ata_bmdma_drive_eh(ap, generic_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+}
+
+/**
+ *	generic_set_mode	-	mode setting
+ *	@ap: interface to set up
+ *
+ *	Use a non standard set_mode function. We don't want to be tuned.
+ *	The BIOS configured everything. Our job is not to fiddle. We
+ *	read the dma enabled bits from the PCI configuration of the device
+ *	and respect them.
+ */
+
+static void generic_set_mode(struct ata_port *ap)
+{
+	int dma_enabled = 0;
+	int i;
+
+	/* Bits 5 and 6 indicate if DMA is active on master/slave */
+	if (ap->ioaddr.bmdma_addr)
+		dma_enabled = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
+
+	for (i = 0; i < ATA_MAX_DEVICES; i++) {
+		struct ata_device *dev = &ap->device[i];
+		if (ata_dev_enabled(dev)) {
+			/* We don't really care */
+			dev->pio_mode = XFER_PIO_0;
+			dev->dma_mode = XFER_MW_DMA_0;
+			/* We do need the right mode information for DMA or PIO
+			   and this comes from the current configuration flags */
+			if (dma_enabled & (1 << (5 + i))) {
+				dev->xfer_mode = XFER_MW_DMA_0;
+				dev->xfer_shift = ATA_SHIFT_MWDMA;
+				dev->flags &= ~ATA_DFLAG_PIO;
+			} else {
+				dev->xfer_mode = XFER_PIO_0;
+				dev->xfer_shift = ATA_SHIFT_PIO;
+				dev->flags |= ATA_DFLAG_PIO;
+			}
+		}
+	}
+}
+
+static struct scsi_host_template generic_sht = {
+	.module			= THIS_MODULE,
+	.name			= DRV_NAME,
+	.ioctl			= ata_scsi_ioctl,
+	.queuecommand		= ata_scsi_queuecmd,
+	.can_queue		= ATA_DEF_QUEUE,
+	.this_id		= ATA_SHT_THIS_ID,
+	.sg_tablesize		= LIBATA_MAX_PRD,
+	.max_sectors		= ATA_MAX_SECTORS,
+	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
+	.emulated		= ATA_SHT_EMULATED,
+	.use_clustering		= ATA_SHT_USE_CLUSTERING,
+	.proc_name		= DRV_NAME,
+	.dma_boundary		= ATA_DMA_BOUNDARY,
+	.slave_configure	= ata_scsi_slave_config,
+	.bios_param		= ata_std_bios_param,
+};
+
+static struct ata_port_operations generic_port_ops = {
+	.set_mode	= generic_set_mode,
+
+	.port_disable	= ata_port_disable,
+	.tf_load	= ata_tf_load,
+	.tf_read	= ata_tf_read,
+	.check_status 	= ata_check_status,
+	.exec_command	= ata_exec_command,
+	.dev_select 	= ata_std_dev_select,
+
+	.bmdma_setup 	= ata_bmdma_setup,
+	.bmdma_start 	= ata_bmdma_start,
+	.bmdma_stop	= ata_bmdma_stop,
+	.bmdma_status 	= ata_bmdma_status,
+
+	.data_xfer	= ata_pio_data_xfer,
+
+	.freeze		= ata_bmdma_freeze,
+	.thaw		= ata_bmdma_thaw,
+	.error_handler	= generic_error_handler,
+	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+
+	.qc_prep 	= ata_qc_prep,
+	.qc_issue	= ata_qc_issue_prot,
+	.eng_timeout	= ata_eng_timeout,
+	.irq_handler	= ata_interrupt,
+	.irq_clear	= ata_bmdma_irq_clear,
+
+	.port_start	= ata_port_start,
+	.port_stop	= ata_port_stop,
+	.host_stop	= ata_host_stop
+};
+
+static int all_generic_ide;		/* Set to claim all devices */
+
+/**
+ *	ata_generic_init		-	attach generic IDE
+ *	@dev: PCI device found
+ *	@id: match entry
+ *
+ *	Called each time a matching IDE interface is found. We check if the
+ *	interface is one we wish to claim and if so we perform any chip
+ *	specific hacks then let the ATA layer do the heavy lifting.
+ */
+
+static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+{
+	u16 command;
+	static struct ata_port_info info = {
+		.sht = &generic_sht,
+		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+		.pio_mask = 0x1f,
+		.mwdma_mask = 0x07,
+		.udma_mask = 0x3f,
+		.port_ops = &generic_port_ops
+	};
+	static struct ata_port_info *port_info[2] = { &info, &info };
+
+	/* Don't use the generic entry unless instructed to do so */
+	if (id->driver_data == 1 && all_generic_ide == 0)
+		return -ENODEV;
+
+	/* Devices that need care */
+	if (dev->vendor == PCI_VENDOR_ID_UMC &&
+	    dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
+	    (!(PCI_FUNC(dev->devfn) & 1)))
+		return -ENODEV;
+
+	if (dev->vendor == PCI_VENDOR_ID_OPTI &&
+	    dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
+	    (!(PCI_FUNC(dev->devfn) & 1)))
+		return -ENODEV;
+
+	/* Don't re-enable devices in generic mode or we will break some
+	   motherboards with disabled and unused IDE controllers */
+	pci_read_config_word(dev, PCI_COMMAND, &command);
+	if (!(command & PCI_COMMAND_IO))
+		return -ENODEV;
+
+	if (dev->vendor == PCI_VENDOR_ID_AL)
+	    	ata_pci_clear_simplex(dev);
+
+	return ata_pci_init_one(dev, port_info, 2);
+}
+
+static struct pci_device_id ata_generic[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_UMC,    PCI_DEVICE_ID_UMC_UM8673F), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_UMC,    PCI_DEVICE_ID_UMC_UM8886A), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_UMC,    PCI_DEVICE_ID_UMC_UM8886BF), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_HINT,   PCI_DEVICE_ID_HINT_VXPROII_IDE), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_VIA,    PCI_DEVICE_ID_VIA_82C561), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_OPTI,   PCI_DEVICE_ID_OPTI_82C558), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2),  },
+	/* Must come last. If you add entries adjust this table appropriately */
+	{ PCI_ANY_ID,		PCI_ANY_ID,			   PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 1},
+	{ 0, },
+};
+
+static struct pci_driver ata_generic_pci_driver = {
+	.name 		= DRV_NAME,
+	.id_table	= ata_generic,
+	.probe 		= ata_generic_init_one,
+	.remove		= ata_pci_remove_one
+};
+
+static int __init ata_generic_init(void)
+{
+	return pci_module_init(&ata_generic_pci_driver);
+}
+
+
+static void __exit ata_generic_exit(void)
+{
+	pci_unregister_driver(&ata_generic_pci_driver);
+}
+
+
+MODULE_AUTHOR("Alan Cox");
+MODULE_DESCRIPTION("low-level driver for generic ATA");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pci, ata_generic);
+MODULE_VERSION(DRV_VERSION);
+
+module_init(ata_generic_init);
+module_exit(ata_generic_exit);
+
+module_param(all_generic_ide, int, 0);

drivers/scsi/libata-eh.c → drivers/ata/libata-eh.c

@@ -38,7 +38,7 @@
 #include <scsi/scsi_eh.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_cmnd.h>
-#include "scsi_transport_api.h"
+#include "../scsi/scsi_transport_api.h"
 
 #include <linux/libata.h>
 
@@ -199,7 +199,7 @@ void ata_scsi_error(struct Scsi_Host *host)
 	/* synchronize with port task */
 	ata_port_flush_task(ap);
 
-	/* synchronize with host_set lock and sort out timeouts */
+	/* synchronize with host lock and sort out timeouts */
 
 	/* For new EH, all qcs are finished in one of three ways -
 	 * normal completion, error completion, and SCSI timeout.
@@ -376,7 +376,7 @@ void ata_port_wait_eh(struct ata_port *ap)
 	spin_unlock_irqrestore(ap->lock, flags);
 
 	/* make sure SCSI EH is complete */
-	if (scsi_host_in_recovery(ap->host)) {
+	if (scsi_host_in_recovery(ap->scsi_host)) {
 		msleep(10);
 		goto retry;
 	}
@@ -485,7 +485,7 @@ void ata_eng_timeout(struct ata_port *ap)
  *	other commands are drained.
  *
  *	LOCKING:
- *	spin_lock_irqsave(host_set lock)
+ *	spin_lock_irqsave(host lock)
  */
 void ata_qc_schedule_eh(struct ata_queued_cmd *qc)
 {
@@ -512,14 +512,14 @@ void ata_qc_schedule_eh(struct ata_queued_cmd *qc)
  *	all commands are drained.
  *
  *	LOCKING:
- *	spin_lock_irqsave(host_set lock)
+ *	spin_lock_irqsave(host lock)
  */
 void ata_port_schedule_eh(struct ata_port *ap)
 {
 	WARN_ON(!ap->ops->error_handler);
 
 	ap->pflags |= ATA_PFLAG_EH_PENDING;
-	scsi_schedule_eh(ap->host);
+	scsi_schedule_eh(ap->scsi_host);
 
 	DPRINTK("port EH scheduled\n");
 }
@@ -531,7 +531,7 @@ void ata_port_schedule_eh(struct ata_port *ap)
  *	Abort all active qc's of @ap and schedule EH.
  *
  *	LOCKING:
- *	spin_lock_irqsave(host_set lock)
+ *	spin_lock_irqsave(host lock)
  *
  *	RETURNS:
  *	Number of aborted qc's.
@@ -574,7 +574,7 @@ int ata_port_abort(struct ata_port *ap)
  *	is frozen.
  *
  *	LOCKING:
- *	spin_lock_irqsave(host_set lock)
+ *	spin_lock_irqsave(host lock)
  */
 static void __ata_port_freeze(struct ata_port *ap)
 {
@@ -595,7 +595,7 @@ static void __ata_port_freeze(struct ata_port *ap)
  *	Abort and freeze @ap.
  *
  *	LOCKING:
- *	spin_lock_irqsave(host_set lock)
+ *	spin_lock_irqsave(host lock)
  *
  *	RETURNS:
  *	Number of aborted commands.

drivers/scsi/libata.h → drivers/ata/libata.h

@@ -69,6 +69,10 @@ extern int ata_flush_cache(struct ata_device *dev);
 extern void ata_dev_init(struct ata_device *dev);
 extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
 extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
+extern void ata_port_init(struct ata_port *ap, struct ata_host *host,
+			  const struct ata_probe_ent *ent, unsigned int port_no);
+extern struct ata_probe_ent *ata_probe_ent_alloc(struct device *dev,
+						 const struct ata_port_info *port);
 
 
 /* libata-scsi.c */
@@ -107,6 +111,7 @@ extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
                                            u8 *rbuf, unsigned int buflen));
 extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
 extern void ata_scsi_dev_rescan(void *data);
+extern int ata_bus_probe(struct ata_port *ap);
 
 /* libata-eh.c */
 extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);

drivers/ata/pata_atiixp.c

+/*
+ * pata_atiixp.c 	- ATI PATA for new ATA layer
+ *			  (C) 2005 Red Hat Inc
+ *			  Alan Cox <alan@redhat.com>
+ *
+ * Based on
+ *
+ *  linux/drivers/ide/pci/atiixp.c	Version 0.01-bart2	Feb. 26, 2004
+ *
+ *  Copyright (C) 2003 ATI Inc. <hyu@ati.com>
+ *  Copyright (C) 2004 Bartlomiej Zolnierkiewicz
+ *
+ */
+
+#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>
+
+#define DRV_NAME "pata_atiixp"
+#define DRV_VERSION "0.4.2"
+
+enum {
+	ATIIXP_IDE_PIO_TIMING	= 0x40,
+	ATIIXP_IDE_MWDMA_TIMING	= 0x44,
+	ATIIXP_IDE_PIO_CONTROL	= 0x48,
+	ATIIXP_IDE_PIO_MODE	= 0x4a,
+	ATIIXP_IDE_UDMA_CONTROL	= 0x54,
+	ATIIXP_IDE_UDMA_MODE 	= 0x56
+};
+
+static int atiixp_pre_reset(struct ata_port *ap)
+{
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	static struct pci_bits atiixp_enable_bits[] = {
+		{ 0x48, 1, 0x01, 0x00 },
+		{ 0x48, 1, 0x08, 0x00 }
+	};
+
+	if (!pci_test_config_bits(pdev, &atiixp_enable_bits[ap->port_no])) {
+		ata_port_disable(ap);
+		printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id);
+		return 0;
+	}
+	ap->cbl = ATA_CBL_PATA80;
+	return ata_std_prereset(ap);
+}
+
+static void atiixp_error_handler(struct ata_port *ap)
+{
+	ata_bmdma_drive_eh(ap, atiixp_pre_reset, ata_std_softreset, NULL,   ata_std_postreset);
+}
+
+/**
+ *	atiixp_set_pio_timing	-	set initial PIO mode data
+ *	@ap: ATA interface
+ *	@adev: ATA device
+ *
+ *	Called by both the pio and dma setup functions to set the controller
+ *	timings for PIO transfers. We must load both the mode number and
+ *	timing values into the controller.
+ */
+
+static void atiixp_set_pio_timing(struct ata_port *ap, struct ata_device *adev, int pio)
+{
+	static u8 pio_timings[5] = { 0x5D, 0x47, 0x34, 0x22, 0x20 };
+
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	int dn = 2 * ap->port_no + adev->devno;
+
+	/* Check this is correct - the order is odd in both drivers */
+	int timing_shift = (16 * ap->port_no) + 8 * (adev->devno ^ 1);
+	u16 pio_mode_data, pio_timing_data;
+
+	pci_read_config_word(pdev, ATIIXP_IDE_PIO_MODE, &pio_mode_data);
+	pio_mode_data &= ~(0x7 << (4 * dn));
+	pio_mode_data |= pio << (4 * dn);
+	pci_write_config_word(pdev, ATIIXP_IDE_PIO_MODE, pio_mode_data);
+
+	pci_read_config_word(pdev, ATIIXP_IDE_PIO_TIMING, &pio_timing_data);
+	pio_mode_data &= ~(0xFF << timing_shift);
+	pio_mode_data |= (pio_timings[pio] << timing_shift);
+	pci_write_config_word(pdev, ATIIXP_IDE_PIO_TIMING, pio_timing_data);
+}
+
+/**
+ *	atiixp_set_piomode	-	set initial PIO mode data
+ *	@ap: ATA interface
+ *	@adev: ATA device
+ *
+ *	Called to do the PIO mode setup. We use a shared helper for this
+ *	as the DMA setup must also adjust the PIO timing information.
+ */
+
+static void atiixp_set_piomode(struct ata_port *ap, struct ata_device *adev)
+{
+	atiixp_set_pio_timing(ap, adev, adev->pio_mode - XFER_PIO_0);
+}
+
+/**
+ *	atiixp_set_dmamode	-	set initial DMA mode data
+ *	@ap: ATA interface
+ *	@adev: ATA device
+ *
+ *	Called to do the DMA mode setup. We use timing tables for most
+ *	modes but must tune an appropriate PIO mode to match.
+ */
+
+static void atiixp_set_dmamode(struct ata_port *ap, struct ata_device *adev)
+{
+	static u8 mwdma_timings[5] = { 0x77, 0x21, 0x20 };
+
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	int dma = adev->dma_mode;
+	int dn = 2 * ap->port_no + adev->devno;
+	int wanted_pio;
+
+	if (adev->dma_mode >= XFER_UDMA_0) {
+		u16 udma_mode_data;
+
+		dma -= XFER_UDMA_0;
+
+		pci_read_config_word(pdev, ATIIXP_IDE_UDMA_MODE, &udma_mode_data);
+		udma_mode_data &= ~(0x7 << (4 * dn));
+		udma_mode_data |= dma << (4 * dn);
+		pci_write_config_word(pdev, ATIIXP_IDE_UDMA_MODE, udma_mode_data);
+	} else {
+		u16 mwdma_timing_data;
+		/* Check this is correct - the order is odd in both drivers */
+		int timing_shift = (16 * ap->port_no) + 8 * (adev->devno ^ 1);
+
+		dma -= XFER_MW_DMA_0;
+
+		pci_read_config_word(pdev, ATIIXP_IDE_MWDMA_TIMING, &mwdma_timing_data);
+		mwdma_timing_data &= ~(0xFF << timing_shift);
+		mwdma_timing_data |= (mwdma_timings[dma] << timing_shift);
+		pci_write_config_word(pdev, ATIIXP_IDE_MWDMA_TIMING, mwdma_timing_data);
+	}
+	/*
+	 *	We must now look at the PIO mode situation. We may need to
+	 *	adjust the PIO mode to keep the timings acceptable
+	 */
+	 if (adev->dma_mode >= XFER_MW_DMA_2)
+	 	wanted_pio = 4;
+	else if (adev->dma_mode == XFER_MW_DMA_1)
+		wanted_pio = 3;
+	else if (adev->dma_mode == XFER_MW_DMA_0)
+		wanted_pio = 0;
+	else BUG();
+
+	if (adev->pio_mode != wanted_pio)
+		atiixp_set_pio_timing(ap, adev, wanted_pio);
+}
+
+/**
+ *	atiixp_bmdma_start	-	DMA start callback
+ *	@qc: Command in progress
+ *
+ *	When DMA begins we need to ensure that the UDMA control
+ *	register for the channel is correctly set.
+ */
+
+static void atiixp_bmdma_start(struct ata_queued_cmd *qc)
+{
+	struct ata_port *ap = qc->ap;
+	struct ata_device *adev = qc->dev;
+
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	int dn = (2 * ap->port_no) + adev->devno;
+	u16 tmp16;
+
+	pci_read_config_word(pdev, ATIIXP_IDE_UDMA_CONTROL, &tmp16);
+	if (adev->dma_mode >= XFER_UDMA_0)
+		tmp16 |= (1 << dn);
+	else
+		tmp16 &= ~(1 << dn);
+	pci_write_config_word(pdev, ATIIXP_IDE_UDMA_CONTROL, tmp16);
+	ata_bmdma_start(qc);
+}
+
+/**
+ *	atiixp_dma_stop	-	DMA stop callback
+ *	@qc: Command in progress
+ *
+ *	DMA has completed. Clear the UDMA flag as the next operations will
+ *	be PIO ones not UDMA data transfer.
+ */
+
+static void atiixp_bmdma_stop(struct ata_queued_cmd *qc)
+{
+	struct ata_port *ap = qc->ap;
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	int dn = (2 * ap->port_no) + qc->dev->devno;
+	u16 tmp16;
+
+	pci_read_config_word(pdev, ATIIXP_IDE_UDMA_CONTROL, &tmp16);
+	tmp16 &= ~(1 << dn);
+	pci_write_config_word(pdev, ATIIXP_IDE_UDMA_CONTROL, tmp16);
+	ata_bmdma_stop(qc);
+}
+
+static struct scsi_host_template atiixp_sht = {
+	.module			= THIS_MODULE,
+	.name			= DRV_NAME,
+	.ioctl			= ata_scsi_ioctl,
+	.queuecommand		= ata_scsi_queuecmd,
+	.can_queue		= ATA_DEF_QUEUE,
+	.this_id		= ATA_SHT_THIS_ID,
+	.sg_tablesize		= LIBATA_MAX_PRD,
+	.max_sectors		= ATA_MAX_SECTORS,
+	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
+	.emulated		= ATA_SHT_EMULATED,
+	.use_clustering		= ATA_SHT_USE_CLUSTERING,
+	.proc_name		= DRV_NAME,
+	.dma_boundary		= ATA_DMA_BOUNDARY,
+	.slave_configure	= ata_scsi_slave_config,
+	.bios_param		= ata_std_bios_param,
+};
+
+static struct ata_port_operations atiixp_port_ops = {
+	.port_disable	= ata_port_disable,
+	.set_piomode	= atiixp_set_piomode,
+	.set_dmamode	= atiixp_set_dmamode,
+	.mode_filter	= ata_pci_default_filter,
+	.tf_load	= ata_tf_load,
+	.tf_read	= ata_tf_read,
+	.check_status 	= ata_check_status,
+	.exec_command	= ata_exec_command,
+	.dev_select 	= ata_std_dev_select,
+
+	.freeze		= ata_bmdma_freeze,
+	.thaw		= ata_bmdma_thaw,
+	.error_handler	= atiixp_error_handler,
+	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+
+	.bmdma_setup 	= ata_bmdma_setup,
+	.bmdma_start 	= atiixp_bmdma_start,
+	.bmdma_stop	= atiixp_bmdma_stop,
+	.bmdma_status 	= ata_bmdma_status,
+
+	.qc_prep 	= ata_qc_prep,
+	.qc_issue	= ata_qc_issue_prot,
+	.eng_timeout	= ata_eng_timeout,
+	.data_xfer	= ata_pio_data_xfer,
+
+	.irq_handler	= ata_interrupt,
+	.irq_clear	= ata_bmdma_irq_clear,
+
+	.port_start	= ata_port_start,
+	.port_stop	= ata_port_stop,
+	.host_stop	= ata_host_stop
+};
+
+static int atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+{
+	static struct ata_port_info info = {
+		.sht = &atiixp_sht,
+		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+		.pio_mask = 0x1f,
+		.mwdma_mask = 0x06,	/* No MWDMA0 support */
+		.udma_mask = 0x3F,
+		.port_ops = &atiixp_port_ops
+	};
+	static struct ata_port_info *port_info[2] = { &info, &info };
+	return ata_pci_init_one(dev, port_info, 2);
+}
+
+static struct pci_device_id atiixp[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP200_IDE), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE), },
+	{ 0, },
+};
+
+static struct pci_driver atiixp_pci_driver = {
+	.name 		= DRV_NAME,
+	.id_table	= atiixp,
+	.probe 		= atiixp_init_one,
+	.remove		= ata_pci_remove_one
+};
+
+static int __init atiixp_init(void)
+{
+	return pci_register_driver(&atiixp_pci_driver);
+}
+
+
+static void __exit atiixp_exit(void)
+{
+	pci_unregister_driver(&atiixp_pci_driver);
+}
+
+
+MODULE_AUTHOR("Alan Cox");
+MODULE_DESCRIPTION("low-level driver for ATI IXP200/300/400");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pci, atiixp);
+MODULE_VERSION(DRV_VERSION);
+
+module_init(atiixp_init);
+module_exit(atiixp_exit);

include/asm-alpha/libata-portmap.h

+#include <asm-generic/libata-portmap.h>

include/asm-i386/libata-portmap.h

+#include <asm-generic/libata-portmap.h>

include/asm-ia64/libata-portmap.h

+#include <asm-generic/libata-portmap.h>

include/asm-powerpc/libata-portmap.h

+#include <asm-generic/libata-portmap.h>

include/asm-sparc/libata-portmap.h

+#include <asm-generic/libata-portmap.h>

include/asm-sparc64/libata-portmap.h

+#include <asm-generic/libata-portmap.h>

include/asm-x86_64/libata-portmap.h

+#include <asm-generic/libata-portmap.h>