5 files changed, 86 insertions, 56 deletions

diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index becb1a5648b0..9db1be826e80 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -1,5 +1,5 @@
 /*
- * Version 2.13
+ * Version 2.15
  *
  * AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04
  * IDE driver for Linux.
@@ -76,6 +76,8 @@ static struct amd_ide_chip {
         { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE,        0x50, AMD_UDMA_133 },
         { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE,        0x50, AMD_UDMA_133 },
         { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE,        0x50, AMD_UDMA_133 },
+        { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE,        0x50, AMD_UDMA_133 },
+        { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE,        0x50, AMD_UDMA_133 },
         { PCI_DEVICE_ID_AMD_CS5536_IDE,                 0x40, AMD_UDMA_100 },
         { 0 }
 };
@@ -494,7 +496,9 @@ static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
         /* 17 */ DECLARE_NV_DEV("NFORCE-MCP61"),
         /* 18 */ DECLARE_NV_DEV("NFORCE-MCP65"),
         /* 19 */ DECLARE_NV_DEV("NFORCE-MCP67"),
-        /* 20 */ DECLARE_AMD_DEV("AMD5536"),
+        /* 20 */ DECLARE_NV_DEV("NFORCE-MCP73"),
+        /* 21 */ DECLARE_NV_DEV("NFORCE-MCP77"),
+        /* 22 */ DECLARE_AMD_DEV("AMD5536"),
 };
 
 static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id)
@@ -534,7 +538,9 @@ static struct pci_device_id amd74xx_pci_tbl[] = {
         { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17 },
         { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18 },
         { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19 },
-        { PCI_VENDOR_ID_AMD,    PCI_DEVICE_ID_AMD_CS5536_IDE,           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 20 },
+        { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 20 },
+        { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 21 },
+        { PCI_VENDOR_ID_AMD,    PCI_DEVICE_ID_AMD_CS5536_IDE,           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 22 },
         { 0, },
 };
 MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl);
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
index f2c5a141ca10..0d51a11e81da 100644
--- a/drivers/ide/pci/generic.c
+++ b/drivers/ide/pci/generic.c
@@ -198,32 +198,41 @@ static ide_pci_device_t generic_chipsets[] __devinitdata = {
 static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
         ide_pci_device_t *d = &generic_chipsets[id->driver_data];
-        u16 command;
         int ret = -ENODEV;
 
         /* Don't use the generic entry unless instructed to do so */
         if (id->driver_data == 0 && ide_generic_all == 0)
                         goto out;
 
-        if (dev->vendor == PCI_VENDOR_ID_UMC &&
-            dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
-            (!(PCI_FUNC(dev->devfn) & 1)))
-                goto out; /* UM8886A/BF pair */
-
-        if (dev->vendor == PCI_VENDOR_ID_OPTI &&
-            dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
-            (!(PCI_FUNC(dev->devfn) & 1)))
-                goto out;
-
-        if (dev->vendor == PCI_VENDOR_ID_JMICRON) {
-                if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && PCI_FUNC(dev->devfn) != 1)
+        switch (dev->vendor) {
+        case PCI_VENDOR_ID_UMC:
+                if (dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
+                                !(PCI_FUNC(dev->devfn) & 1))
+                        goto out; /* UM8886A/BF pair */
+                break;
+        case PCI_VENDOR_ID_OPTI:
+                if (dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
+                                !(PCI_FUNC(dev->devfn) & 1))
+                        goto out;
+                break;
+        case PCI_VENDOR_ID_JMICRON:
+                if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 &&
+                                PCI_FUNC(dev->devfn) != 1)
+                        goto out;
+                break;
+        case PCI_VENDOR_ID_NS:
+                if (dev->device == PCI_DEVICE_ID_NS_87410 &&
+                                (dev->class >> 8) != PCI_CLASS_STORAGE_IDE)
                         goto out;
+                break;
         }
 
         if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
+                u16 command;
                 pci_read_config_word(dev, PCI_COMMAND, &command);
                 if (!(command & PCI_COMMAND_IO)) {
-                        printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
+                        printk(KERN_INFO "Skipping disabled %s IDE "
+                                        "controller.\n", d->name);
                         goto out;
                 }
         }
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index fcbc5605b38e..ce8a5449a574 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/hpt366.c               Version 1.03    May 4, 2007
+ * linux/drivers/ide/pci/hpt366.c               Version 1.04    Jun 4, 2007
  *
  * Copyright (C) 1999-2003              Andre Hedrick <andre@linux-ide.org>
  * Portions Copyright (C) 2001          Sun Microsystems, Inc.
@@ -106,7 +106,8 @@
  *   switch  to calculating  PCI clock frequency based on the chip's base DPLL
  *   frequency
  * - switch to using the  DPLL clock and enable UltraATA/133 mode by default on
- *   anything  newer than HPT370/A
+ *   anything  newer than HPT370/A (except HPT374 that is not capable of this
+ *   mode according to the manual)
  * - fold PCI clock detection and DPLL setup code into init_chipset_hpt366(),
  *   also fixing the interchanged 25/40 MHz PCI clock cases for HPT36x chips;
  *   unify HPT36x/37x timing setup code and the speedproc handlers by joining
@@ -365,7 +366,6 @@ static u32 sixty_six_base_hpt37x[] = {
 };
 
 #define HPT366_DEBUG_DRIVE_INFO         0
-#define HPT374_ALLOW_ATA133_6           1
 #define HPT371_ALLOW_ATA133_6           1
 #define HPT302_ALLOW_ATA133_6           1
 #define HPT372_ALLOW_ATA133_6           1
@@ -450,7 +450,7 @@ static struct hpt_info hpt370a __devinitdata = {
 
 static struct hpt_info hpt374 __devinitdata = {
         .chip_type      = HPT374,
-        .max_mode       = HPT374_ALLOW_ATA133_6 ? 4 : 3,
+        .max_mode       = 3,
         .dpll_clk       = 48,
         .settings       = hpt37x_settings
 };
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 5faaff87d580..4bd4bf02e917 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -1,6 +1,6 @@
 
 /*
- * linux/drivers/ide/pci/it821x.c               Version 0.10    Mar 10 2007
+ * linux/drivers/ide/pci/it821x.c               Version 0.15    Jun 2 2007
  *
  * Copyright (C) 2004           Red Hat <alan@redhat.com>
  * Copyright (C) 2007           Bartlomiej Zolnierkiewicz
@@ -262,7 +262,7 @@ static int it821x_tunepio(ide_drive_t *drive, u8 set_pio)
         }
 
         if (itdev->smart)
-                goto set_drive_speed;
+                return 0;
 
         /* We prefer 66Mhz clock for PIO 0-3, don't care for PIO4 */
         itdev->want[unit][1] = pio_want[set_pio];
@@ -271,7 +271,6 @@ static int it821x_tunepio(ide_drive_t *drive, u8 set_pio)
         it821x_clock_strategy(drive);
         it821x_program(drive, itdev->pio[unit]);
 
-set_drive_speed:
         return ide_config_drive_speed(drive, XFER_PIO_0 + set_pio);
 }
 
@@ -455,12 +454,12 @@ static int it821x_tune_chipset (ide_drive_t *drive, byte xferspeed)
                         default:
                                 return 1;
                 }
+
+                return ide_config_drive_speed(drive, speed);
         }
-        /*
-         *      In smart mode the clocking is done by the host controller
-         *      snooping the mode we picked. The rest of it is not our problem
-         */
-        return ide_config_drive_speed(drive, speed);
+
+        /* don't touch anything in the smart mode */
+        return 0;
 }
 
 /**
@@ -559,17 +558,10 @@ static void __devinit it821x_fixups(ide_hwif_t *hwif)
                                 if(idbits[129] != 1)
                                         printk("(%dK stripe)", idbits[146]);
                                 printk(".\n");
-                        /* Now the core code will have wrongly decided no DMA
-                           so we need to fix this */
-                        hwif->dma_off_quietly(drive);
-#ifdef CONFIG_IDEDMA_ONLYDISK
-                        if (drive->media == ide_disk)
-#endif
-                                ide_set_dma(drive);
                 } else {
                         /* Non RAID volume. Fixups to stop the core code
                            doing unsupported things */
-                        id->field_valid &= 1;
+                        id->field_valid &= 3;
                         id->queue_depth = 0;
                         id->command_set_1 = 0;
                         id->command_set_2 &= 0xC400;
@@ -584,6 +576,16 @@ static void __devinit it821x_fixups(ide_hwif_t *hwif)
                         printk(KERN_INFO "%s: Performing identify fixups.\n",
                                 drive->name);
                 }
+
+                /*
+                 * Set MWDMA0 mode as enabled/support - just to tell
+                 * IDE core that DMA is supported (it821x hardware
+                 * takes care of DMA mode programming).
+                 */
+                if (id->capability & 1) {
+                        id->dma_mword |= 0x0101;
+                        drive->current_speed = XFER_MW_DMA_0;
+                }
         }
 
 }
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index 47bcd91c9b5f..d9c4fd1ae996 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/serverworks.c          Version 0.9     Mar 4 2007
+ * linux/drivers/ide/pci/serverworks.c          Version 0.11    Jun 2 2007
  *
  * Copyright (C) 1998-2000 Michel Aubry
  * Copyright (C) 1998-2000 Andrzej Krzysztofowicz
@@ -170,42 +170,55 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
                 if (!drive->init_speed) {
                         u8 dma_stat = inb(hwif->dma_status);
 
-dma_pio:
                         if (((ultra_enable << (7-drive->dn) & 0x80) == 0x80) &&
                             ((dma_stat & (1<<(5+unit))) == (1<<(5+unit)))) {
                                 drive->current_speed = drive->init_speed = XFER_UDMA_0 + udma_modes[(ultra_timing >> (4*unit)) & ~(0xF0)];
                                 return 0;
                         } else if ((dma_timing) &&
                                    ((dma_stat&(1<<(5+unit)))==(1<<(5+unit)))) {
-                                u8 dmaspeed = dma_timing;
+                                u8 dmaspeed;
 
-                                dma_timing &= ~0xFFU;
-                                if ((dmaspeed & 0x20) == 0x20)
+                                switch (dma_timing & 0x77) {
+                                case 0x20:
                                         dmaspeed = XFER_MW_DMA_2;
-                                else if ((dmaspeed & 0x21) == 0x21)
+                                        break;
+                                case 0x21:
                                         dmaspeed = XFER_MW_DMA_1;
-                                else if ((dmaspeed & 0x77) == 0x77)
+                                        break;
+                                case 0x77:
                                         dmaspeed = XFER_MW_DMA_0;
-                                else
+                                        break;
+                                default:
                                         goto dma_pio;
+                                }
+
                                 drive->current_speed = drive->init_speed = dmaspeed;
                                 return 0;
-                        } else if (pio_timing) {
-                                u8 piospeed = pio_timing;
+                        }
+dma_pio:
+                        if (pio_timing) {
+                                u8 piospeed;
 
-                                pio_timing &= ~0xFFU;
-                                if ((piospeed & 0x20) == 0x20)
+                                switch (pio_timing & 0x7f) {
+                                case 0x20:
                                         piospeed = XFER_PIO_4;
-                                else if ((piospeed & 0x22) == 0x22)
+                                        break;
+                                case 0x22:
                                         piospeed = XFER_PIO_3;
-                                else if ((piospeed & 0x34) == 0x34)
+                                        break;
+                                case 0x34:
                                         piospeed = XFER_PIO_2;
-                                else if ((piospeed & 0x47) == 0x47)
+                                        break;
+                                case 0x47:
                                         piospeed = XFER_PIO_1;
-                                else if ((piospeed & 0x5d) == 0x5d)
+                                        break;
+                                case 0x5d:
                                         piospeed = XFER_PIO_0;
-                                else
+                                        break;
+                                default:
                                         goto oem_setup_failed;
+                                }
+
                                 drive->current_speed = drive->init_speed = piospeed;
                                 return 0;
                         }
@@ -214,8 +227,8 @@ dma_pio:
 
 oem_setup_failed:
 
-        pio_timing      &= ~0xFFU;
-        dma_timing      &= ~0xFFU;
+        pio_timing      = 0;
+        dma_timing      = 0;
         ultra_timing    &= ~(0x0F << (4*unit));
         ultra_enable    &= ~(0x01 << drive->dn);
         csb5_pio        &= ~(0x0F << (4*drive->dn));