Merge http://linux-acpi.bkbits.net/linux-acpi

into home.transmeta.com:/home/torvalds/v2.5/linux

drivers/ide/ide-disk.c

@@ -247,7 +247,7 @@ static ide_startstop_t write_intr (ide_drive_t *drive)
  *
  * Returns 0 on success.
  *
- * Note that we may be called from two contexts - the do_rw_disk context
+ * Note that we may be called from two contexts - __ide_do_rw_disk() context
  * and IRQ context. The IRQ can happen any time after we've output the
  * full "mcount" number of sectors, so we must make sure we update the
  * state _before_ we output the final part of the data!
@@ -351,11 +351,11 @@ static ide_startstop_t multwrite_intr (ide_drive_t *drive)
 }
 
 /*
- * do_rw_disk() issues READ and WRITE commands to a disk,
+ * __ide_do_rw_disk() issues READ and WRITE commands to a disk,
  * using LBA if supported, or CHS otherwise, to address sectors.
  * It also takes care of issuing special DRIVE_CMDs.
  */
-static ide_startstop_t do_rw_disk (ide_drive_t *drive, struct request *rq, sector_t block)
+ide_startstop_t __ide_do_rw_disk (ide_drive_t *drive, struct request *rq, sector_t block)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
 	u8 lba48		= (drive->addressing == 1) ? 1 : 0;
@@ -367,11 +367,6 @@ static ide_startstop_t do_rw_disk (ide_drive_t *drive, struct request *rq, secto
 	if (driver_blocked)
 		panic("Request while ide driver is blocked?");
 
-#if defined(CONFIG_BLK_DEV_PDC4030) || defined(CONFIG_BLK_DEV_PDC4030_MODULE)
-	if (IS_PDC4030_DRIVE)
-		return promise_rw_disk(drive, rq, block);
-#endif /* CONFIG_BLK_DEV_PDC4030 */
-
 	if (drive->using_tcq && idedisk_start_tag(drive, rq)) {
 		if (!ata_pending_commands(drive))
 			BUG();
@@ -550,10 +545,11 @@ static ide_startstop_t do_rw_disk (ide_drive_t *drive, struct request *rq, secto
 		}
 		return ide_started;
 	}
-	blk_dump_rq_flags(rq, "do_rw_disk - bad command");
+	blk_dump_rq_flags(rq, "__ide_do_rw_disk - bad command");
 	ide_end_request(drive, 0, 0);
 	return ide_stopped;
 }
+EXPORT_SYMBOL_GPL(__ide_do_rw_disk);
 
 #else /* CONFIG_IDE_TASKFILE_IO */
 
@@ -562,15 +558,15 @@ static ide_startstop_t lba_28_rw_disk(ide_drive_t *, struct request *, unsigned
 static ide_startstop_t lba_48_rw_disk(ide_drive_t *, struct request *, unsigned long long);
 
 /*
- * do_rw_disk() issues READ and WRITE commands to a disk,
+ * __ide_do_rw_disk() issues READ and WRITE commands to a disk,
  * using LBA if supported, or CHS otherwise, to address sectors.
  * It also takes care of issuing special DRIVE_CMDs.
  */
-static ide_startstop_t do_rw_disk (ide_drive_t *drive, struct request *rq, sector_t block)
+ide_startstop_t __ide_do_rw_disk (ide_drive_t *drive, struct request *rq, sector_t block)
 {
 	BUG_ON(drive->blocked);
 	if (!blk_fs_request(rq)) {
-		blk_dump_rq_flags(rq, "do_rw_disk - bad command");
+		blk_dump_rq_flags(rq, "__ide_do_rw_disk - bad command");
 		ide_end_request(drive, 0, 0);
 		return ide_stopped;
 	}
@@ -581,11 +577,6 @@ static ide_startstop_t do_rw_disk (ide_drive_t *drive, struct request *rq, secto
 	 * need to add split taskfile operations based on 28bit threshold.
 	 */
 
-#if defined(CONFIG_BLK_DEV_PDC4030) || defined(CONFIG_BLK_DEV_PDC4030_MODULE)
-        if (IS_PDC4030_DRIVE)
-                return promise_rw_disk(drive, rq, block);
-#endif /* CONFIG_BLK_DEV_PDC4030 */
-
 	if (drive->using_tcq && idedisk_start_tag(drive, rq)) {
 		if (!ata_pending_commands(drive))
 			BUG();
@@ -601,6 +592,7 @@ static ide_startstop_t do_rw_disk (ide_drive_t *drive, struct request *rq, secto
 	/* 28-bit CHS : DIE DIE DIE piece of legacy crap!!! */
 	return chs_rw_disk(drive, rq, (unsigned long) block);
 }
+EXPORT_SYMBOL_GPL(__ide_do_rw_disk);
 
 static task_ioreg_t get_command (ide_drive_t *drive, int cmd)
 {
@@ -760,6 +752,16 @@ static ide_startstop_t lba_48_rw_disk (ide_drive_t *drive, struct request *rq, u
 
 #endif /* CONFIG_IDE_TASKFILE_IO */
 
+static ide_startstop_t ide_do_rw_disk (ide_drive_t *drive, struct request *rq, sector_t block)
+{
+	ide_hwif_t *hwif = HWIF(drive);
+
+	if (hwif->rw_disk)
+		return hwif->rw_disk(drive, rq, block);
+	else
+		return __ide_do_rw_disk(drive, rq, block);
+}
+
 static int do_idedisk_flushcache(ide_drive_t *drive);
 
 static u8 idedisk_dump_status (ide_drive_t *drive, const char *msg, u8 stat)
@@ -1541,11 +1543,6 @@ static void idedisk_setup (ide_drive_t *drive)
 	struct hd_driveid *id = drive->id;
 	unsigned long capacity;
 
-#if 0
-	if (IS_PDC4030_DRIVE)
-		DRIVER(drive)->do_request = promise_rw_disk;
-#endif
-	
 	idedisk_add_settings(drive);
 
 	if (drive->id_read == 0)
@@ -1674,7 +1671,7 @@ static ide_driver_t idedisk_driver = {
 	.supports_dsc_overlap	= 0,
 	.cleanup		= idedisk_cleanup,
 	.flushcache		= do_idedisk_flushcache,
-	.do_request		= do_rw_disk,
+	.do_request		= ide_do_rw_disk,
 	.sense			= idedisk_dump_status,
 	.error			= idedisk_error,
 	.abort			= idedisk_abort,

drivers/ide/ide.c

@@ -913,6 +913,8 @@ int ide_register_hw (hw_regs_t *hw, ide_hwif_t **hwifp)
 		}
 		for (index = 0; index < MAX_HWIFS; ++index) {
 			hwif = &ide_hwifs[index];
+			if (hwif->hold)
+				continue;
 			if ((!hwif->present && !hwif->mate && !initializing) ||
 			    (!hwif->hw.io_ports[IDE_DATA_OFFSET] && initializing))
 				goto found;
@@ -924,6 +926,8 @@ int ide_register_hw (hw_regs_t *hw, ide_hwif_t **hwifp)
 found:
 	if (hwif->present)
 		ide_unregister(index);
+	else if (!hwif->hold)
+		init_hwif_data(index);
 	if (hwif->present)
 		return -1;
 	memcpy(&hwif->hw, hw, sizeof(*hw));

drivers/ide/legacy/ali14xx.c

@@ -54,13 +54,7 @@
 
 #include <asm/io.h>
 
-#ifdef CONFIG_BLK_DEV_ALI14XX_MODULE
-# define _IDE_C
-# include "ide_modes.h"
-# undef _IDE_C
-#else
-# include "ide_modes.h"
-#endif /* CONFIG_BLK_DEV_ALI14XX_MODULE */
+#include "ide_modes.h"
 
 /* port addresses for auto-detection */
 #define ALI_NUM_PORTS 4

drivers/ide/legacy/dtc2278.c

@@ -21,13 +21,7 @@
 
 #include <asm/io.h>
 
-#ifdef CONFIG_BLK_DEV_DTC2278_MODULE
-# define _IDE_C
-# include "ide_modes.h"
-# undef _IDE_C
-#else
-# include "ide_modes.h"
-#endif /* CONFIG_BLK_DEV_DTC2278_MODULE */
+#include "ide_modes.h"
 
 /*
  * Changing this #undef to #define may solve start up problems in some systems.

drivers/ide/legacy/ht6560b.c

@@ -53,13 +53,7 @@
 
 #include <asm/io.h>
 
-#ifdef CONFIG_BLK_DEV_HT6560B_MODULE
-# define _IDE_C
-# include "ide_modes.h"
-# undef _IDE_C
-#else
-# include "ide_modes.h"
-#endif /* CONFIG_BLK_DEV_HT6560B_MODULE */
+#include "ide_modes.h"
 
 /* #define DEBUG */  /* remove comments for DEBUG messages */
 

drivers/ide/legacy/pdc4030.c

@@ -94,6 +94,8 @@
 
 #include "pdc4030.h"
 
+static ide_startstop_t promise_rw_disk (ide_drive_t *drive, struct request *rq, unsigned long block);
+
 /*
  * promise_selectproc() is invoked by ide.c
  * in preparation for access to the specified drive.
@@ -231,6 +233,10 @@ int __init setup_pdc4030(ide_hwif_t *hwif)
 	/* DC4030 hosted drives need their own identify... */
 	hwif->identify = hwif2->identify = &pdc4030_identify;
 
+	/* Override the normal ide disk read/write. */
+	hwif->rw_disk = promise_rw_disk;
+	hwif2->rw_disk = promise_rw_disk;
+
 	/* Shift the remaining interfaces up by one */
 	for (i=MAX_HWIFS-1 ; i > hwif->index+1 ; i--) {
 		ide_hwif_t *h = &ide_hwifs[i];
@@ -803,7 +809,7 @@ ide_startstop_t do_pdc4030_io (ide_drive_t *drive, ide_task_t *task)
 	}
 }
 
-ide_startstop_t promise_rw_disk (ide_drive_t *drive, struct request *rq, unsigned long block)
+static ide_startstop_t promise_rw_disk (ide_drive_t *drive, struct request *rq, unsigned long block)
 {
 	/* The four drives on the two logical (one physical) interfaces
 	   are distinguished by writing the drive number (0-3) to the

drivers/ide/legacy/qd65xx.c

@@ -42,14 +42,7 @@
 #include <asm/system.h>
 #include <asm/io.h>
 
-#ifdef CONFIG_BLK_DEV_QD65XX_MODULE
-# define _IDE_C
-# include "ide_modes.h"
-# undef _IDE_C
-#else
-# include "ide_modes.h"
-#endif /* CONFIG_BLK_DEV_QD65XX_MODULE */
-
+#include "ide_modes.h"
 #include "qd65xx.h"
 
 /*

drivers/ide/legacy/umc8672.c

@@ -54,13 +54,7 @@
 
 #include <asm/io.h>
 
-#ifdef CONFIG_BLK_DEV_UMC8672_MODULE
-# define _IDE_C
-# include "ide_modes.h"
-# undef _IDE_C
-#else
-# include "ide_modes.h"
-#endif /* CONFIG_BLK_DEV_UMC8672_MODULE */
+#include "ide_modes.h"
 
 /*
  * Default speeds.  These can be changed with "auto-tune" and/or hdparm.

drivers/ide/pci/amd74xx.c

@@ -313,7 +313,8 @@ static unsigned int __init init_chipset_amd74xx(struct pci_dev *dev, const char
 
 		case AMD_UDMA_100:
 			pci_read_config_byte(dev, AMD_CABLE_DETECT, &t);
-			amd_80w = ((u & 0x3) ? 1 : 0) | ((u & 0xc) ? 2 : 0);
+			pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);
+			amd_80w = ((t & 0x3) ? 1 : 0) | ((t & 0xc) ? 2 : 0);
 			for (i = 24; i >= 0; i -= 8)
 				if (((u >> i) & 4) && !(amd_80w & (1 << (1 - (i >> 4))))) {
 					printk(KERN_WARNING "AMD_IDE: Bios didn't set cable bits correctly. Enabling workaround.\n");
@@ -383,11 +384,6 @@ static unsigned int __init init_chipset_amd74xx(struct pci_dev *dev, const char
 	return 0;
 }
 
-static unsigned int __init ata66_amd74xx(ide_hwif_t *hwif)
-{
-	return ((amd_enabled & amd_80w) >> hwif->channel) & 1;
-}
-
 static void __init init_hwif_amd74xx(ide_hwif_t *hwif)
 {
 	int i;

drivers/ide/pci/amd74xx.h

@@ -40,7 +40,7 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
 		.init_dma	= init_dma_amd74xx,
 		.channels	= 2,
 		.autodma	= AUTODMA,
-		.enablebits	= {{0x40,0x01,0x01}, {0x40,0x02,0x02}},
+		.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
 		.bootable	= ON_BOARD,
 		.extra		= 0
 	},{	/* 1 */
@@ -53,7 +53,7 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
 		.init_dma	= init_dma_amd74xx,
 		.channels	= 2,
 		.autodma	= AUTODMA,
-		.enablebits	= {{0x40,0x01,0x01}, {0x40,0x02,0x02}},
+		.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
 		.bootable	= ON_BOARD,
 		.extra		= 0
 	},{	/* 2 */
@@ -66,7 +66,7 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
 		.init_dma	= init_dma_amd74xx,
 		.channels	= 2,
 		.autodma	= AUTODMA,
-		.enablebits	= {{0x40,0x01,0x01}, {0x40,0x02,0x02}},
+		.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
 		.bootable	= ON_BOARD,
 		.extra		= 0
 	},{	/* 3 */
@@ -79,7 +79,7 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
 		.init_dma	= init_dma_amd74xx,
 		.channels	= 2,
 		.autodma	= AUTODMA,
-		.enablebits	= {{0x40,0x01,0x01}, {0x40,0x02,0x02}},
+		.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
 		.bootable	= ON_BOARD,
 		.extra		= 0
 	},{	/* 4 */
@@ -92,7 +92,7 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
 		.init_dma	= init_dma_amd74xx,
 		.autodma	= AUTODMA,
 		.channels	= 2,
-		.enablebits	= {{0x40,0x01,0x01}, {0x40,0x02,0x02}},
+		.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
 		.bootable	= ON_BOARD,
 		.extra		= 0
 	},
@@ -106,7 +106,7 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
 		.init_dma	= init_dma_amd74xx,
 		.channels	= 2,
 		.autodma	= AUTODMA,
-		.enablebits	= {{0x50,0x01,0x01}, {0x50,0x02,0x02}},
+		.enablebits	= {{0x50,0x02,0x02}, {0x50,0x01,0x01}},
 		.bootable	= ON_BOARD,
 		.extra		= 0,
 	},
@@ -120,7 +120,7 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
 		.init_dma	= init_dma_amd74xx,
 		.channels	= 2,
 		.autodma	= AUTODMA,
-		.enablebits	= {{0x50,0x01,0x01}, {0x50,0x02,0x02}},
+		.enablebits	= {{0x50,0x02,0x02}, {0x50,0x01,0x01}},
 		.bootable	= ON_BOARD,
 		.extra		= 0,
 	},

drivers/ide/pci/piix.c

@@ -142,6 +142,9 @@ static int piix_get_info (char *buffer, char **addr, off_t offset, int count)
 		p += sprintf(p, "\nController: %d\n", i);
 		p += sprintf(p, "\n                                Intel ");
 		switch(dev->device) {
+			case PCI_DEVICE_ID_INTEL_82801EB_1:
+				p += sprintf(p, "PIIX4 SATA 150 ");
+				break;
 			case PCI_DEVICE_ID_INTEL_82801BA_8:
 			case PCI_DEVICE_ID_INTEL_82801BA_9:
 			case PCI_DEVICE_ID_INTEL_82801CA_10:
@@ -275,6 +278,9 @@ static u8 piix_ratemask (ide_drive_t *drive)
 	u8 mode;
 
 	switch(dev->device) {
+		case PCI_DEVICE_ID_INTEL_82801EB_1:
+			mode = 3;
+			break;
 		/* UDMA 100 capable */
 		case PCI_DEVICE_ID_INTEL_82801BA_8:
 		case PCI_DEVICE_ID_INTEL_82801BA_9:
@@ -325,6 +331,7 @@ static u8 piix_ratemask (ide_drive_t *drive)
  
 static u8 piix_dma_2_pio (u8 xfer_rate) {
 	switch(xfer_rate) {
+		case XFER_UDMA_6:
 		case XFER_UDMA_5:
 		case XFER_UDMA_4:
 		case XFER_UDMA_3:
@@ -603,6 +610,7 @@ static int piix_config_drive_xfer_rate (ide_drive_t *drive)
 static unsigned int __devinit init_chipset_piix (struct pci_dev *dev, const char *name)
 {
         switch(dev->device) {
+		case PCI_DEVICE_ID_INTEL_82801EB_1:
 		case PCI_DEVICE_ID_INTEL_82801AA_1:
 		case PCI_DEVICE_ID_INTEL_82801AB_1:
 		case PCI_DEVICE_ID_INTEL_82801BA_8:
@@ -803,6 +811,7 @@ static struct pci_device_id piix_pci_tbl[] __devinitdata = {
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_11,PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15},
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_11, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16},
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_10,PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17},
+ 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18},
 	{ 0, },
 };
 

drivers/ide/pci/piix.h

@@ -291,10 +291,10 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = {
 		.enablebits	= {{0x41,0x80,0x80}, {0x43,0x80,0x80}},
 		.bootable	= ON_BOARD,
 		.extra		= 0,
-	},{	/* 17 */
+	},{	/* 18 */
 		.vendor		= PCI_VENDOR_ID_INTEL,
-		.device		= PCI_DEVICE_ID_INTEL_82801DB_10,
-		.name		= "ICH4",
+		.device		= PCI_DEVICE_ID_INTEL_82801EB_1,
+		.name		= "ICH5-SATA",
 		.init_setup	= init_setup_piix,
 		.init_chipset	= init_chipset_piix,
 		.init_iops	= NULL,

drivers/ide/pci/serverworks.c

 /*
- * linux/drivers/ide/pci/serverworks.c		Version 0.7	10 Sept 2002
+ * linux/drivers/ide/pci/serverworks.c		Version 0.8	 25 Ebr 2003
  *
  * Copyright (C) 1998-2000 Michel Aubry
  * Copyright (C) 1998-2000 Andrzej Krzysztofowicz
@@ -203,11 +203,22 @@ static int svwks_get_info (char *buffer, char **addr, off_t offset, int count)
 }
 #endif  /* defined(DISPLAY_SVWKS_TIMINGS) && defined(CONFIG_PROC_FS) */
 
+static int check_in_drive_lists (ide_drive_t *drive, const char **list)
+{
+	while (*list)
+		if (!strcmp(*list++, drive->id->model))
+			return 1;
+	return 0;
+}
+
 static u8 svwks_ratemask (ide_drive_t *drive)
 {
 	struct pci_dev *dev     = HWIF(drive)->pci_dev;
 	u8 mode;
 
+	if (!svwks_revision)
+		pci_read_config_byte(dev, PCI_REVISION_ID, &svwks_revision);
+
 	if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
 		u32 reg = 0;
 		if (isa_dev)
@@ -225,9 +236,13 @@ static u8 svwks_ratemask (ide_drive_t *drive)
 	} else if (svwks_revision >= SVWKS_CSB5_REVISION_NEW) {
 		u8 btr = 0;
 		pci_read_config_byte(dev, 0x5A, &btr);
-		mode = btr;
+		mode = btr & 0x3;
 		if (!eighty_ninty_three(drive))
 			mode = min(mode, (u8)1);
+		/* If someone decides to do UDMA133 on CSB5 the same
+		   issue will bite so be inclusive */
+		if (mode > 2 && check_in_drive_lists(drive, svwks_bad_ata100))
+			mode = 2;
 	}
 	if (((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
 	     (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) &&
@@ -419,13 +434,10 @@ static void config_chipset_for_pio (ide_drive_t *drive)
 
 static void svwks_tune_drive (ide_drive_t *drive, u8 pio)
 {
-	/* Tune to desired value or to "best". We must not adjust
-	   "best" when we adjust from pio numbers to rate values! */
-	   
-	if(pio != 255)
-		(void) svwks_tune_chipset(drive, (XFER_PIO_0 + pio));
-	else
+	if(pio == 255)
 		(void) svwks_tune_chipset(drive, 255);
+	else
+		(void) svwks_tune_chipset(drive, (XFER_PIO_0 + pio));
 }
 
 static int config_chipset_for_dma (ide_drive_t *drive)
@@ -446,7 +458,7 @@ static int svwks_config_drive_xfer_rate (ide_drive_t *drive)
 
 	drive->init_speed = 0;
 
-	if (id && (id->capability & 1) && drive->autodma) {
+	if ((id->capability & 1) && drive->autodma) {
 		/* Consult the list of known "bad" drives */
 		if (hwif->ide_dma_bad_drive(drive))
 			goto fast_ata_pio;
@@ -483,28 +495,10 @@ static int svwks_config_drive_xfer_rate (ide_drive_t *drive)
 	return hwif->ide_dma_on(drive);
 }
 
+/* This can go soon */
+
 static int svwks_ide_dma_end (ide_drive_t *drive)
 {
-	/*
-	 *	We never place the OSB4 into a UDMA mode with a disk
-	 *	medium, that means the UDMA "all my data is 4 byte shifted"
-	 *	problem cannot occur.
-	 */
-#if 0
-	ide_hwif_t *hwif	= HWIF(drive);
-	u8 dma_stat		= hwif->INB(hwif->dma_status);
-
-	if ((dma_stat & 1) && drive->media == ide_disk)
-	{
-		printk(KERN_CRIT "Serverworks OSB4 in impossible state.\n");
-		printk(KERN_CRIT "Disable UDMA or if you are using Seagate then try switching disk types\n");
-		printk(KERN_CRIT "on this controller. Please report this event to osb4-bug@ide.cabal.tm\n");
-		/* Panic might sys_sync -> death by corrupt disk */
-		printk(KERN_CRIT "OSB4: continuing might cause disk corruption.\n");
-		while(1)
-			cpu_relax();
-	}
-#endif	
 	return __ide_dma_end(drive);
 }
 
@@ -630,8 +624,6 @@ static unsigned int __init init_chipset_svwks (struct pci_dev *dev, const char *
 
 static unsigned int __init ata66_svwks_svwks (ide_hwif_t *hwif)
 {
-//	struct pci_dev *dev = hwif->pci_dev;
-//	return 0;
 	return 1;
 }
 

drivers/ide/pci/serverworks.h

@@ -11,6 +11,16 @@
 #define SVWKS_CSB5_REVISION_NEW	0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */
 #define SVWKS_CSB6_REVISION	0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */
 
+/* Seagate Barracuda ATA IV Family drives in UDMA mode 5
+ * can overrun their FIFOs when used with the CSB5 */
+const char *svwks_bad_ata100[] = {
+	"ST320011A",
+	"ST340016A",
+	"ST360021A",
+	"ST380021A",
+	NULL
+};
+
 #define DISPLAY_SVWKS_TIMINGS	1
 
 #if defined(DISPLAY_SVWKS_TIMINGS) && defined(CONFIG_PROC_FS)

drivers/ide/pci/sis5513.c

@@ -161,9 +161,10 @@ static const struct {
 	{ "SiS748",	PCI_DEVICE_ID_SI_748,	ATA_133,	0 },
 	{ "SiS746",	PCI_DEVICE_ID_SI_746,	ATA_133,	0 },
 	{ "SiS745",	PCI_DEVICE_ID_SI_745,	ATA_133,	0 },
-	{ "SiS740",	PCI_DEVICE_ID_SI_740,	ATA_100,	0 },
+	{ "SiS740",	PCI_DEVICE_ID_SI_740,	ATA_133,	0 },
 	{ "SiS735",	PCI_DEVICE_ID_SI_735,	ATA_100,	SIS5513_LATENCY },
 	{ "SiS730",	PCI_DEVICE_ID_SI_730,	ATA_100a,	SIS5513_LATENCY },
+	{ "SiS655",	PCI_DEVICE_ID_SI_655,	ATA_133,	0 },
 	{ "SiS652",	PCI_DEVICE_ID_SI_652,	ATA_133,	0 },
 	{ "SiS651",	PCI_DEVICE_ID_SI_651,	ATA_133,	0 },
 	{ "SiS650",	PCI_DEVICE_ID_SI_650,	ATA_133,	0 },
@@ -257,8 +258,8 @@ static struct pci_dev *host_dev = NULL;
 static char* chipset_capability[] = {
 	"ATA", "ATA 16",
 	"ATA 33", "ATA 66",
-	"ATA 100", "ATA 100",
-	"ATA 133", "ATA 133"
+	"ATA 100 (1st gen)", "ATA 100 (2nd gen)",
+	"ATA 133 (1st gen)", "ATA 133 (2nd gen)"
 };
 
 #if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS)
@@ -331,8 +332,8 @@ static char* get_drives_info (char *buffer, u8 pos)
 			// Configuration space remapped to 0x70
 			drive_pci = 0x70;
 		}
-		pci_read_config_dword(bmide_dev, (unsigned long)drive_pci+8*pos, &regdw0);
-		pci_read_config_dword(bmide_dev, (unsigned long)drive_pci+8*pos+4, &regdw1);
+		pci_read_config_dword(bmide_dev, (unsigned long)drive_pci+4*pos, &regdw0);
+		pci_read_config_dword(bmide_dev, (unsigned long)drive_pci+4*pos+8, &regdw1);
 		p += sprintf(p, "Drive %d:\n", pos);
 	}
 
@@ -357,8 +358,7 @@ static char* get_drives_info (char *buffer, u8 pos)
 			case ATA_100a:	p += sprintf(p, cycle_time[(reg01 & 0x70) >> 4]); break;
 			case ATA_100:
 			case ATA_133a:	p += sprintf(p, cycle_time[reg01 & 0x0F]); break;
-			case ATA_133:
-			default:	p += sprintf(p, "133+ ?"); break;
+			default:	p += sprintf(p, "?"); break;
 		}
 		p += sprintf(p, " \t UDMA Cycle Time    ");
 		switch(chipset_family) {
@@ -367,12 +367,12 @@ static char* get_drives_info (char *buffer, u8 pos)
 			case ATA_100a:	p += sprintf(p, cycle_time[(reg11 & 0x70) >> 4]); break;
 			case ATA_100:
 			case ATA_133a:  p += sprintf(p, cycle_time[reg11 & 0x0F]); break;
-			case ATA_133:
-			default:	p += sprintf(p, "133+ ?"); break;
+			default:	p += sprintf(p, "?"); break;
 		}
 		p += sprintf(p, "\n");
 	}
 
+	if (chipset_family < ATA_133) { /* else case TODO */
 /* Data Active */
 		p += sprintf(p, "                Data Active Time   ");
 		switch(chipset_family) {
@@ -383,8 +383,7 @@ static char* get_drives_info (char *buffer, u8 pos)
 			case ATA_100a: p += sprintf(p, active_time[reg01 & 0x07]); break;
 			case ATA_100:
 			case ATA_133a: p += sprintf(p, active_time[(reg00 & 0x70) >> 4]); break;
-		case ATA_133:
-		default: p += sprintf(p, "133+ ?"); break;
+			default: p += sprintf(p, "?"); break;
 		}
 		p += sprintf(p, " \t Data Active Time   ");
 		switch(chipset_family) {
@@ -395,14 +394,12 @@ static char* get_drives_info (char *buffer, u8 pos)
 			case ATA_100a: p += sprintf(p, active_time[reg11 & 0x07]); break;
 			case ATA_100:
 			case ATA_133a: p += sprintf(p, active_time[(reg10 & 0x70) >> 4]); break;
-		case ATA_133:
-		default: p += sprintf(p, "133+ ?"); break;
+			default: p += sprintf(p, "?"); break;
 		}
 		p += sprintf(p, "\n");
 
 /* Data Recovery */
 	/* warning: may need (reg&0x07) for pre ATA66 chips */
-	if (chipset_family < ATA_133) {
 		p += sprintf(p, "                Data Recovery Time %s \t Data Recovery Time %s\n",
 			     recovery_time[reg00 & 0x0f], recovery_time[reg10 & 0x0f]);
 	}
@@ -430,7 +427,6 @@ static int sis_get_info (char *buffer, char **addr, off_t offset, int count)
 
 	p += sprintf(p, "\nSiS 5513 ");
 	switch(chipset_family) {
-		case ATA_00: p += sprintf(p, "Unknown???"); break;
 		case ATA_16: p += sprintf(p, "DMA 16"); break;
 		case ATA_33: p += sprintf(p, "Ultra 33"); break;
 		case ATA_66: p += sprintf(p, "Ultra 66"); break;
@@ -867,6 +863,19 @@ static int sis5513_config_xfer_rate (ide_drive_t *drive)
 	return sis5513_config_drive_xfer_rate(drive);
 }
 
+/* Helper function used at init time
+ * returns a PCI device revision ID
+ * (used to detect different IDE controller versions)
+ */
+static u8 __init devfn_rev(int device, int function)
+{
+	u8 revision;
+	/* Find device */
+	struct pci_dev* dev = pci_find_slot(0,PCI_DEVFN(device,function));
+	pci_read_config_byte(dev, PCI_REVISION_ID, &revision);
+	return revision;
+}
+
 /* Chip detection and general config */
 static unsigned int __init init_chipset_sis5513 (struct pci_dev *dev, const char *name)
 {
@@ -887,26 +896,24 @@ static unsigned int __init init_chipset_sis5513 (struct pci_dev *dev, const char
 		/* check 100/133 chipset family */
 		if (chipset_family == ATA_133) {
 			u32 reg54h;
-			u16 reg02h;
+			u16 devid;
 			pci_read_config_dword(dev, 0x54, &reg54h);
+			/* SiS962 and above report 0x5518 dev id if high bit is cleared */
 			pci_write_config_dword(dev, 0x54, (reg54h & 0x7fffffff));
-			pci_read_config_word(dev, 0x02, &reg02h);
+			pci_read_config_word(dev, 0x02, &devid);
+			/* restore register 0x54 */
 			pci_write_config_dword(dev, 0x54, reg54h);
+
 			/* devid 5518 here means SiS962 or later
-			   which supports ATA133 */
-			if (reg02h != 0x5518) {
+			   which supports ATA133.
+			   These are refered by chipset_family = ATA133
+			*/
+			if (devid != 0x5518) {
 				u8 reg49h;
-				unsigned long sbrev;
 				/* SiS961 family */
-
-		/*
-		 * FIXME !!! GAK!!!!!!!!!! PCI DIRECT POKING 
-		 */
-				outl(0x80001008, 0x0cf8);
-				sbrev = inl(0x0cfc);
-
 				pci_read_config_byte(dev, 0x49, &reg49h);
-				if (((sbrev & 0xff) == 0x10) && (reg49h & 0x80))
+				/* check isa bridge device rev id */
+				if (((devfn_rev(2,0) & 0xff) == 0x10) && (reg49h & 0x80))
 					chipset_family = ATA_133a;
 				else
 					chipset_family = ATA_100;
@@ -924,6 +931,14 @@ static unsigned int __init init_chipset_sis5513 (struct pci_dev *dev, const char
 			u8 latency = (chipset_family == ATA_100)? 0x80 : 0x10; /* Lacking specs */
 			pci_write_config_byte(dev, PCI_LATENCY_TIMER, latency);
 		}
+
+		/* Special case for SiS630 : 630S/ET is ATA_100a */
+		if (SiSHostChipInfo[i].host_id == PCI_DEVICE_ID_SI_630) {
+			/* check host device rev id */
+			if (devfn_rev(0,0) >= 0x30) {
+				chipset_family = ATA_100a;
+			}
+		}
 	}
 
 	/* Make general config ops here

drivers/ide/pci/via82cxxx.c

 /*
  *
- * Version 3.36
+ * Version 3.37
  *
  * VIA IDE driver for Linux. Supported southbridges:
  *
  *   vt82c576, vt82c586, vt82c586a, vt82c586b, vt82c596a, vt82c596b,
  *   vt82c686, vt82c686a, vt82c686b, vt8231, vt8233, vt8233c, vt8233a,
- *   vt8235
+ *   vt8235, vt8237
  *
  * Copyright (c) 2000-2002 Vojtech Pavlik
  *
@@ -74,9 +74,7 @@ static struct via_isa_bridge {
 	u8 rev_max;
 	u16 flags;
 } via_isa_bridges[] = {
-#ifdef FUTURE_BRIDGES
-	{ "vt8237",	PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 },
-#endif
+	{ "vt8237",	PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8235",	PCI_DEVICE_ID_VIA_8235,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8233a",	PCI_DEVICE_ID_VIA_8233A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8233c",	PCI_DEVICE_ID_VIA_8233C_0,  0x00, 0x2f, VIA_UDMA_100 },
@@ -148,7 +146,7 @@ static int via_get_info(char *buffer, char **addr, off_t offset, int count)
 	via_print("----------VIA BusMastering IDE Configuration"
 		"----------------");
 
-	via_print("Driver Version:                     3.36");
+	via_print("Driver Version:                     3.37");
 	via_print("South Bridge:                       VIA %s",
 		via_config->name);
 

drivers/pci/quirks.c

@@ -636,6 +636,21 @@ static void __init quirk_via_bridge(struct pci_dev *pdev)
 		interrupt_line_quirk = 1;
 }
 
+/*
+ *	Serverworks CSB5 IDE does not fully support native mode
+ */
+static void __init quirk_svwks_csb5ide(struct pci_dev *pdev)
+{
+	u8 prog;
+	pci_read_config_byte(pdev, PCI_CLASS_PROG, &prog);
+	if (prog & 5) {
+		prog &= ~5;
+		pdev->class &= ~5;
+		pci_write_config_byte(pdev, PCI_CLASS_PROG, prog);
+		/* need to re-assign BARs for compat mode */
+		quirk_ide_bases(pdev);
+	}
+}
 
 /* This was originally an Alpha specific thing, but it really fits here.
  * The i82375 PCI/EISA bridge appears as non-classified. Fix that.
@@ -813,6 +828,8 @@ static struct pci_fixup pci_fixups[] __devinitdata = {
 
 	{ PCI_FIXUP_FINAL,	PCI_VENDOR_ID_CYRIX,	PCI_DEVICE_ID_CYRIX_PCI_MASTER, quirk_mediagx_master },
 
+	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, quirk_svwks_csb5ide },
+
 	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82375,	quirk_eisa_bridge },
 
 	/*

include/linux/ide.h

@@ -886,6 +886,8 @@ typedef struct hwif_s {
 	
 	struct pnp_dev  *pnp_dev;	/* for PnP devices */
 
+	ide_startstop_t (*rw_disk)(ide_drive_t *, struct request *, sector_t);
+
 #if 0
 	ide_hwif_ops_t	*hwifops;
 #else
@@ -1001,6 +1003,7 @@ typedef struct hwif_s {
 
 	unsigned	noprobe    : 1;	/* don't probe for this interface */
 	unsigned	present    : 1;	/* this interface exists */
+	unsigned	hold       : 1; /* this interface is always present */
 	unsigned	serialized : 1;	/* serialized all channel operation */
 	unsigned	sharing_irq: 1;	/* 1 = sharing irq with another hwif */
 	unsigned	reset      : 1;	/* reset after probe */
@@ -1534,6 +1537,8 @@ extern u8 eighty_ninty_three (ide_drive_t *);
 extern int set_transfer(ide_drive_t *, ide_task_t *);
 extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
 
+ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq, sector_t block);
+
 /*
  * ide_system_bus_speed() returns what we think is the system VESA/PCI
  * bus speed (in MHz).  This is used for calculating interface PIO timings.

include/linux/pci_ids.h

@@ -557,6 +557,7 @@
 #define PCI_DEVICE_ID_SI_650		0x0650
 #define PCI_DEVICE_ID_SI_651		0x0651
 #define PCI_DEVICE_ID_SI_652		0x0652
+#define PCI_DEVICE_ID_SI_655		0x0655
 #define PCI_DEVICE_ID_SI_730		0x0730
 #define PCI_DEVICE_ID_SI_630_VGA	0x6300
 #define PCI_DEVICE_ID_SI_730_VGA	0x7300
@@ -1127,6 +1128,7 @@
 #define PCI_DEVICE_ID_VIA_8753_0	0x3128
 #define PCI_DEVICE_ID_VIA_8233A		0x3147
 #define PCI_DEVICE_ID_VIA_8752		0x3148
+#define PCI_DEVICE_ID_VIA_8237_SATA	0x3149
 #define PCI_DEVICE_ID_VIA_KN266		0x3156
 #define PCI_DEVICE_ID_VIA_8754		0x3168
 #define PCI_DEVICE_ID_VIA_8235		0x3177
@@ -1135,6 +1137,7 @@
 #define PCI_DEVICE_ID_VIA_8377_0	0x3189
 #define PCI_DEVICE_ID_VIA_KM400		0x3205
 #define PCI_DEVICE_ID_VIA_P4M400	0x3209
+#define PCI_DEVICE_ID_VIA_8237		0x3227
 #define PCI_DEVICE_ID_VIA_86C100A	0x6100
 #define PCI_DEVICE_ID_VIA_8231		0x8231
 #define PCI_DEVICE_ID_VIA_8231_4	0x8235
@@ -1893,6 +1896,7 @@
 #define PCI_DEVICE_ID_INTEL_82801DB_12  0x24cc
 #define PCI_DEVICE_ID_INTEL_82801DB_13	0x24cd
 #define PCI_DEVICE_ID_INTEL_82801EB_0	0x24d0
+#define PCI_DEVICE_ID_INTEL_82801EB_1	0x24d1
 #define PCI_DEVICE_ID_INTEL_82801EB_2	0x24d2
 #define PCI_DEVICE_ID_INTEL_82801EB_3	0x24d3
 #define PCI_DEVICE_ID_INTEL_82801EB_4	0x24d4