]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ide/pci/hpt366.c
dtc2278: note on docs
[linux-2.6-omap-h63xx.git] / drivers / ide / pci / hpt366.c
index 2cd74c345a6c7bd3e3c63acca8e1ba0084859e29..612b795241bfc5bf5741de77b633c81e6b416563 100644 (file)
@@ -1,9 +1,10 @@
 /*
- * linux/drivers/ide/pci/hpt366.c              Version 1.10    Jun 29, 2007
+ * linux/drivers/ide/pci/hpt366.c              Version 1.20    Oct 1, 2007
  *
  * Copyright (C) 1999-2003             Andre Hedrick <andre@linux-ide.org>
  * Portions Copyright (C) 2001         Sun Microsystems, Inc.
  * Portions Copyright (C) 2003         Red Hat Inc
+ * Portions Copyright (C) 2007         Bartlomiej Zolnierkiewicz
  * Portions Copyright (C) 2005-2007    MontaVista Software, Inc.
  *
  * Thanks to HighPoint Technologies for their assistance, and hardware.
@@ -68,7 +69,8 @@
  *   HPT37x chip family; save space by introducing the separate transfer mode
  *   table in which the mode lookup is done
  * - use f_CNT value saved by  the HighPoint BIOS as reading it directly gives
- *   the wrong PCI frequency since DPLL has already been calibrated by BIOS
+ *   the wrong PCI frequency since DPLL has already been calibrated by BIOS;
+ *   read it only from the function 0 of HPT374 chips
  * - fix the hotswap code:  it caused RESET- to glitch when tristating the bus,
  *   and for HPT36x the obsolete HDIO_TRISTATE_HWIF handler was called instead
  * - pass to init_chipset() handlers a copy of the IDE PCI device structure as
  *   unify HPT36x/37x timing setup code and the speedproc handlers by joining
  *   the register setting lists into the table indexed by the clock selected
  * - set the correct hwif->ultra_mask for each individual chip
+ * - add Ultra and MW DMA mode filtering for the HPT37[24] based SATA cards
  *     Sergei Shtylyov, <sshtylyov@ru.mvista.com> or <source@mvista.com>
  */
 
@@ -391,8 +394,9 @@ enum ata_clock {
  */
 
 struct hpt_info {
+       char *chip_name;        /* Chip name */
        u8 chip_type;           /* Chip type */
-       u8 max_ultra;           /* Max. UltraDMA mode allowed */
+       u8 udma_mask;           /* Allowed UltraDMA modes mask. */
        u8 dpll_clk;            /* DPLL clock in MHz */
        u8 pci_clk;             /* PCI  clock in MHz */
        u32 **settings;         /* Chipset settings table */
@@ -430,78 +434,89 @@ static u32 *hpt37x_settings[NUM_ATA_CLOCKS] = {
 };
 
 static struct hpt_info hpt36x __devinitdata = {
+       .chip_name      = "HPT36x",
        .chip_type      = HPT36x,
-       .max_ultra      = HPT366_ALLOW_ATA66_3 ? (HPT366_ALLOW_ATA66_4 ? 4 : 3) : 2,
+       .udma_mask      = HPT366_ALLOW_ATA66_3 ? (HPT366_ALLOW_ATA66_4 ? ATA_UDMA4 : ATA_UDMA3) : ATA_UDMA2,
        .dpll_clk       = 0,    /* no DPLL */
        .settings       = hpt36x_settings
 };
 
 static struct hpt_info hpt370 __devinitdata = {
+       .chip_name      = "HPT370",
        .chip_type      = HPT370,
-       .max_ultra      = HPT370_ALLOW_ATA100_5 ? 5 : 4,
+       .udma_mask      = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4,
        .dpll_clk       = 48,
        .settings       = hpt37x_settings
 };
 
 static struct hpt_info hpt370a __devinitdata = {
+       .chip_name      = "HPT370A",
        .chip_type      = HPT370A,
-       .max_ultra      = HPT370_ALLOW_ATA100_5 ? 5 : 4,
+       .udma_mask      = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4,
        .dpll_clk       = 48,
        .settings       = hpt37x_settings
 };
 
 static struct hpt_info hpt374 __devinitdata = {
+       .chip_name      = "HPT374",
        .chip_type      = HPT374,
-       .max_ultra      = 5,
+       .udma_mask      = ATA_UDMA5,
        .dpll_clk       = 48,
        .settings       = hpt37x_settings
 };
 
 static struct hpt_info hpt372 __devinitdata = {
+       .chip_name      = "HPT372",
        .chip_type      = HPT372,
-       .max_ultra      = HPT372_ALLOW_ATA133_6 ? 6 : 5,
+       .udma_mask      = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
        .dpll_clk       = 55,
        .settings       = hpt37x_settings
 };
 
 static struct hpt_info hpt372a __devinitdata = {
+       .chip_name      = "HPT372A",
        .chip_type      = HPT372A,
-       .max_ultra      = HPT372_ALLOW_ATA133_6 ? 6 : 5,
+       .udma_mask      = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
        .dpll_clk       = 66,
        .settings       = hpt37x_settings
 };
 
 static struct hpt_info hpt302 __devinitdata = {
+       .chip_name      = "HPT302",
        .chip_type      = HPT302,
-       .max_ultra      = HPT372_ALLOW_ATA133_6 ? 6 : 5,
+       .udma_mask      = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
        .dpll_clk       = 66,
        .settings       = hpt37x_settings
 };
 
 static struct hpt_info hpt371 __devinitdata = {
+       .chip_name      = "HPT371",
        .chip_type      = HPT371,
-       .max_ultra      = HPT371_ALLOW_ATA133_6 ? 6 : 5,
+       .udma_mask      = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
        .dpll_clk       = 66,
        .settings       = hpt37x_settings
 };
 
 static struct hpt_info hpt372n __devinitdata = {
+       .chip_name      = "HPT372N",
        .chip_type      = HPT372N,
-       .max_ultra      = HPT372_ALLOW_ATA133_6 ? 6 : 5,
+       .udma_mask      = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
        .dpll_clk       = 77,
        .settings       = hpt37x_settings
 };
 
 static struct hpt_info hpt302n __devinitdata = {
+       .chip_name      = "HPT302N",
        .chip_type      = HPT302N,
-       .max_ultra      = HPT302_ALLOW_ATA133_6 ? 6 : 5,
+       .udma_mask      = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
        .dpll_clk       = 77,
        .settings       = hpt37x_settings
 };
 
 static struct hpt_info hpt371n __devinitdata = {
+       .chip_name      = "HPT371N",
        .chip_type      = HPT371N,
-       .max_ultra      = HPT371_ALLOW_ATA133_6 ? 6 : 5,
+       .udma_mask      = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
        .dpll_clk       = 77,
        .settings       = hpt37x_settings
 };
@@ -517,47 +532,67 @@ static int check_in_drive_list(ide_drive_t *drive, const char **list)
 }
 
 /*
- *     Note for the future; the SATA hpt37x we must set
- *     either PIO or UDMA modes 0,4,5
+ * The Marvell bridge chips used on the HighPoint SATA cards do not seem
+ * to support the UltraDMA modes 1, 2, and 3 as well as any MWDMA modes...
  */
 
 static u8 hpt3xx_udma_filter(ide_drive_t *drive)
 {
-       struct hpt_info *info   = pci_get_drvdata(HWIF(drive)->pci_dev);
-       u8 mask;
+       ide_hwif_t *hwif        = HWIF(drive);
+       struct hpt_info *info   = pci_get_drvdata(hwif->pci_dev);
+       u8 mask                 = hwif->ultra_mask;
 
        switch (info->chip_type) {
-       case HPT370A:
-               if (!HPT370_ALLOW_ATA100_5 ||
-                   check_in_drive_list(drive, bad_ata100_5))
-                       return 0x1f;
-               else
-                       return 0x3f;
-       case HPT370:
-               if (!HPT370_ALLOW_ATA100_5 ||
-                   check_in_drive_list(drive, bad_ata100_5))
-                       mask = 0x1f;
-               else
-                       mask = 0x3f;
-               break;
        case HPT36x:
                if (!HPT366_ALLOW_ATA66_4 ||
                    check_in_drive_list(drive, bad_ata66_4))
-                       mask = 0x0f;
-               else
-                       mask = 0x1f;
+                       mask = ATA_UDMA3;
 
                if (!HPT366_ALLOW_ATA66_3 ||
                    check_in_drive_list(drive, bad_ata66_3))
-                       mask = 0x07;
+                       mask = ATA_UDMA2;
                break;
+       case HPT370:
+               if (!HPT370_ALLOW_ATA100_5 ||
+                   check_in_drive_list(drive, bad_ata100_5))
+                       mask = ATA_UDMA4;
+               break;
+       case HPT370A:
+               if (!HPT370_ALLOW_ATA100_5 ||
+                   check_in_drive_list(drive, bad_ata100_5))
+                       return ATA_UDMA4;
+       case HPT372 :
+       case HPT372A:
+       case HPT372N:
+       case HPT374 :
+               if (ide_dev_is_sata(drive->id))
+                       mask &= ~0x0e;
+               /* Fall thru */
        default:
-               return 0x7f;
+               return mask;
        }
 
        return check_in_drive_list(drive, bad_ata33) ? 0x00 : mask;
 }
 
+static u8 hpt3xx_mdma_filter(ide_drive_t *drive)
+{
+       ide_hwif_t *hwif        = HWIF(drive);
+       struct hpt_info *info   = pci_get_drvdata(hwif->pci_dev);
+
+       switch (info->chip_type) {
+       case HPT372 :
+       case HPT372A:
+       case HPT372N:
+       case HPT374 :
+               if (ide_dev_is_sata(drive->id))
+                       return 0x00;
+               /* Fall thru */
+       default:
+               return 0x07;
+       }
+}
+
 static u32 get_speed_setting(u8 speed, struct hpt_info *info)
 {
        int i;
@@ -578,20 +613,15 @@ static u32 get_speed_setting(u8 speed, struct hpt_info *info)
        return (*info->settings)[i];
 }
 
-static int hpt36x_tune_chipset(ide_drive_t *drive, u8 xferspeed)
+static void hpt36x_set_mode(ide_drive_t *drive, const u8 speed)
 {
        ide_hwif_t *hwif        = HWIF(drive);
        struct pci_dev  *dev    = hwif->pci_dev;
        struct hpt_info *info   = pci_get_drvdata(dev);
-       u8  speed               = ide_rate_filter(drive, xferspeed);
        u8  itr_addr            = drive->dn ? 0x44 : 0x40;
        u32 old_itr             = 0;
        u32 itr_mask, new_itr;
 
-       /* TODO: move this to ide_rate_filter() [ check ->atapi_dma ] */
-       if (drive->media != ide_disk)
-               speed = min_t(u8, speed, XFER_PIO_4);
-
        itr_mask = speed < XFER_MW_DMA_0 ? 0x30070000 :
                  (speed < XFER_UDMA_0   ? 0xc0070000 : 0xc03800ff);
 
@@ -606,24 +636,17 @@ static int hpt36x_tune_chipset(ide_drive_t *drive, u8 xferspeed)
        new_itr &= ~0xc0000000;
 
        pci_write_config_dword(dev, itr_addr, new_itr);
-
-       return ide_config_drive_speed(drive, speed);
 }
 
-static int hpt37x_tune_chipset(ide_drive_t *drive, u8 xferspeed)
+static void hpt37x_set_mode(ide_drive_t *drive, const u8 speed)
 {
        ide_hwif_t *hwif        = HWIF(drive);
        struct pci_dev  *dev    = hwif->pci_dev;
        struct hpt_info *info   = pci_get_drvdata(dev);
-       u8  speed               = ide_rate_filter(drive, xferspeed);
        u8  itr_addr            = 0x40 + (drive->dn * 4);
        u32 old_itr             = 0;
        u32 itr_mask, new_itr;
 
-       /* TODO: move this to ide_rate_filter() [ check ->atapi_dma ] */
-       if (drive->media != ide_disk)
-               speed = min_t(u8, speed, XFER_PIO_4);
-
        itr_mask = speed < XFER_MW_DMA_0 ? 0x303c0000 :
                  (speed < XFER_UDMA_0   ? 0xc03c0000 : 0xc1c001ff);
 
@@ -635,25 +658,22 @@ static int hpt37x_tune_chipset(ide_drive_t *drive, u8 xferspeed)
        if (speed < XFER_MW_DMA_0)
                new_itr &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */
        pci_write_config_dword(dev, itr_addr, new_itr);
-
-       return ide_config_drive_speed(drive, speed);
 }
 
-static int hpt3xx_tune_chipset(ide_drive_t *drive, u8 speed)
+static void hpt3xx_set_mode(ide_drive_t *drive, const u8 speed)
 {
        ide_hwif_t *hwif        = HWIF(drive);
        struct hpt_info *info   = pci_get_drvdata(hwif->pci_dev);
 
        if (info->chip_type >= HPT370)
-               return hpt37x_tune_chipset(drive, speed);
+               hpt37x_set_mode(drive, speed);
        else    /* hpt368: hpt_minimum_revision(dev, 2) */
-               return hpt36x_tune_chipset(drive, speed);
+               hpt36x_set_mode(drive, speed);
 }
 
-static void hpt3xx_tune_drive(ide_drive_t *drive, u8 pio)
+static void hpt3xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
-       pio = ide_get_best_pio_mode(drive, pio, 4);
-       (void) hpt3xx_tune_chipset (drive, XFER_PIO_0 + pio);
+       hpt3xx_set_mode(drive, XFER_PIO_0 + pio);
 }
 
 static int hpt3xx_quirkproc(ide_drive_t *drive)
@@ -669,12 +689,11 @@ static int hpt3xx_quirkproc(ide_drive_t *drive)
 
 static void hpt3xx_intrproc(ide_drive_t *drive)
 {
-       ide_hwif_t *hwif = HWIF(drive);
-
        if (drive->quirk_list)
                return;
+
        /* drives in the quirk_list may not like intr setups/cleanups */
-       hwif->OUTB(drive->ctl | 2, IDE_CONTROL_REG);
+       outb(drive->ctl | 2, IDE_CONTROL_REG);
 }
 
 static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
@@ -702,21 +721,8 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
                                enable_irq (hwif->irq);
                }
        } else
-               hwif->OUTB(mask ? (drive->ctl | 2) : (drive->ctl & ~2),
-                          IDE_CONTROL_REG);
-}
-
-static int hpt366_config_drive_xfer_rate(ide_drive_t *drive)
-{
-       drive->init_speed = 0;
-
-       if (ide_tune_dma(drive))
-               return 0;
-
-       if (ide_use_fast_pio(drive))
-               hpt3xx_tune_drive(drive, 255);
-
-       return -1;
+               outb(mask ? (drive->ctl | 2) : (drive->ctl & ~2),
+                    IDE_CONTROL_REG);
 }
 
 /*
@@ -756,9 +762,9 @@ static void hpt370_irq_timeout(ide_drive_t *drive)
        printk(KERN_DEBUG "%s: %d bytes in FIFO\n", drive->name, bfifo & 0x1ff);
 
        /* get DMA command mode */
-       dma_cmd = hwif->INB(hwif->dma_command);
+       dma_cmd = inb(hwif->dma_command);
        /* stop DMA */
-       hwif->OUTB(dma_cmd & ~0x1, hwif->dma_command);
+       outb(dma_cmd & ~0x1, hwif->dma_command);
        hpt370_clear_engine(drive);
 }
 
@@ -773,12 +779,12 @@ static void hpt370_ide_dma_start(ide_drive_t *drive)
 static int hpt370_ide_dma_end(ide_drive_t *drive)
 {
        ide_hwif_t *hwif        = HWIF(drive);
-       u8  dma_stat            = hwif->INB(hwif->dma_status);
+       u8  dma_stat            = inb(hwif->dma_status);
 
        if (dma_stat & 0x01) {
                /* wait a little */
                udelay(20);
-               dma_stat = hwif->INB(hwif->dma_status);
+               dma_stat = inb(hwif->dma_status);
                if (dma_stat & 0x01)
                        hpt370_irq_timeout(drive);
        }
@@ -839,34 +845,32 @@ static int hpt374_ide_dma_end(ide_drive_t *drive)
 
 static void hpt3xxn_set_clock(ide_hwif_t *hwif, u8 mode)
 {
-       u8 scr2 = hwif->INB(hwif->dma_master + 0x7b);
+       u8 scr2 = inb(hwif->dma_master + 0x7b);
 
        if ((scr2 & 0x7f) == mode)
                return;
 
        /* Tristate the bus */
-       hwif->OUTB(0x80, hwif->dma_master + 0x73);
-       hwif->OUTB(0x80, hwif->dma_master + 0x77);
+       outb(0x80, hwif->dma_master + 0x73);
+       outb(0x80, hwif->dma_master + 0x77);
 
        /* Switch clock and reset channels */
-       hwif->OUTB(mode, hwif->dma_master + 0x7b);
-       hwif->OUTB(0xc0, hwif->dma_master + 0x79);
+       outb(mode, hwif->dma_master + 0x7b);
+       outb(0xc0, hwif->dma_master + 0x79);
 
        /*
         * Reset the state machines.
         * NOTE: avoid accidentally enabling the disabled channels.
         */
-       hwif->OUTB(hwif->INB(hwif->dma_master + 0x70) | 0x32,
-                  hwif->dma_master + 0x70);
-       hwif->OUTB(hwif->INB(hwif->dma_master + 0x74) | 0x32,
-                  hwif->dma_master + 0x74);
+       outb(inb(hwif->dma_master + 0x70) | 0x32, hwif->dma_master + 0x70);
+       outb(inb(hwif->dma_master + 0x74) | 0x32, hwif->dma_master + 0x74);
 
        /* Complete reset */
-       hwif->OUTB(0x00, hwif->dma_master + 0x79);
+       outb(0x00, hwif->dma_master + 0x79);
 
        /* Reconnect channels to bus */
-       hwif->OUTB(0x00, hwif->dma_master + 0x73);
-       hwif->OUTB(0x00, hwif->dma_master + 0x77);
+       outb(0x00, hwif->dma_master + 0x73);
+       outb(0x00, hwif->dma_master + 0x77);
 }
 
 /**
@@ -981,6 +985,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
        struct hpt_info *info   = kmalloc(sizeof(struct hpt_info), GFP_KERNEL);
        unsigned long io_base   = pci_resource_start(dev, 4);
        u8 pci_clk,  dpll_clk   = 0;    /* PCI and DPLL clock in MHz */
+       u8 chip_type;
        enum ata_clock  clock;
 
        if (info == NULL) {
@@ -992,7 +997,8 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
         * Copy everything from a static "template" structure
         * to just allocated per-chip hpt_info structure.
         */
-       *info = *(struct hpt_info *)pci_get_drvdata(dev);
+       memcpy(info, pci_get_drvdata(dev), sizeof(struct hpt_info));
+       chip_type = info->chip_type;
 
        pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4));
        pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78);
@@ -1002,7 +1008,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
        /*
         * First, try to estimate the PCI clock frequency...
         */
-       if (info->chip_type >= HPT370) {
+       if (chip_type >= HPT370) {
                u8  scr1  = 0;
                u16 f_cnt = 0;
                u32 temp  = 0;
@@ -1016,7 +1022,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
                 * HighPoint does this for HPT372A.
                 * NOTE: This register is only writeable via I/O space.
                 */
-               if (info->chip_type == HPT372A)
+               if (chip_type == HPT372A)
                        outb(0x0e, io_base + 0x9c);
 
                /*
@@ -1034,13 +1040,28 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
                 * First try reading the register in which the HighPoint BIOS
                 * saves f_CNT value before  reprogramming the DPLL from its
                 * default setting (which differs for the various chips).
-                * NOTE: This register is only accessible via I/O space.
                 *
-                * In case the signature check fails, we'll have to resort to
-                * reading the f_CNT register itself in hopes that nobody has
-                * touched the DPLL yet...
+                * NOTE: This register is only accessible via I/O space;
+                * HPT374 BIOS only saves it for the function 0, so we have to
+                * always read it from there -- no need to check the result of
+                * pci_get_slot() for the function 0 as the whole device has
+                * been already "pinned" (via function 1) in init_setup_hpt374()
+                */
+               if (chip_type == HPT374 && (PCI_FUNC(dev->devfn) & 1)) {
+                       struct pci_dev  *dev1 = pci_get_slot(dev->bus,
+                                                            dev->devfn - 1);
+                       unsigned long io_base = pci_resource_start(dev1, 4);
+
+                       temp =  inl(io_base + 0x90);
+                       pci_dev_put(dev1);
+               } else
+                       temp =  inl(io_base + 0x90);
+
+               /*
+                * In case the signature check fails, we'll have to
+                * resort to reading the f_CNT register itself in hopes
+                * that nobody has touched the DPLL yet...
                 */
-               temp = inl(io_base + 0x90);
                if ((temp & 0xFFFFF000) != 0xABCDE000) {
                        int i;
 
@@ -1120,7 +1141,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
         * We also  don't like using  the DPLL because this causes glitches
         * on PRST-/SRST- when the state engine gets reset...
         */
-       if (info->chip_type >= HPT374 || info->settings[clock] == NULL) {
+       if (chip_type >= HPT374 || info->settings[clock] == NULL) {
                u16 f_low, delta = pci_clk < 50 ? 2 : 4;
                int adjust;
 
@@ -1128,7 +1149,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
                  * Select 66 MHz DPLL clock only if UltraATA/133 mode is
                  * supported/enabled, use 50 MHz DPLL clock otherwise...
                  */
-               if (info->max_ultra == 6) {
+               if (info->udma_mask == ATA_UDMA6) {
                        dpll_clk = 66;
                        clock = ATA_CLOCK_66MHZ;
                } else if (dpll_clk) {  /* HPT36x chips don't have DPLL */
@@ -1190,7 +1211,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
        /* Point to this chip's own instance of the hpt_info structure. */
        pci_set_drvdata(dev, info);
 
-       if (info->chip_type >= HPT370) {
+       if (chip_type >= HPT370) {
                u8  mcr1, mcr4;
 
                /*
@@ -1209,7 +1230,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
         * the MISC. register to stretch the UltraDMA Tss timing.
         * NOTE: This register is only writeable via I/O space.
         */
-       if (info->chip_type == HPT371N && clock == ATA_CLOCK_66MHZ)
+       if (chip_type == HPT371N && clock == ATA_CLOCK_66MHZ)
 
                outb(inb(io_base + 0x9c) | 0x04, io_base + 0x9c);
 
@@ -1218,25 +1239,25 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
 
 static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
 {
-       struct pci_dev  *dev            = hwif->pci_dev;
-       struct hpt_info *info           = pci_get_drvdata(dev);
-       int serialize                   = HPT_SERIALIZE_IO;
-       u8  scr1 = 0, ata66             = hwif->channel ? 0x01 : 0x02;
-       u8  chip_type                   = info->chip_type;
-       u8  new_mcr, old_mcr            = 0;
+       struct pci_dev  *dev    = hwif->pci_dev;
+       struct hpt_info *info   = pci_get_drvdata(dev);
+       int serialize           = HPT_SERIALIZE_IO;
+       u8  scr1 = 0, ata66     = hwif->channel ? 0x01 : 0x02;
+       u8  chip_type           = info->chip_type;
+       u8  new_mcr, old_mcr    = 0;
 
        /* Cache the channel's MISC. control registers' offset */
-       hwif->select_data               = hwif->channel ? 0x54 : 0x50;
+       hwif->select_data       = hwif->channel ? 0x54 : 0x50;
 
-       hwif->tuneproc                  = &hpt3xx_tune_drive;
-       hwif->speedproc                 = &hpt3xx_tune_chipset;
-       hwif->quirkproc                 = &hpt3xx_quirkproc;
-       hwif->intrproc                  = &hpt3xx_intrproc;
-       hwif->maskproc                  = &hpt3xx_maskproc;
-       hwif->busproc                   = &hpt3xx_busproc;
+       hwif->set_pio_mode      = &hpt3xx_set_pio_mode;
+       hwif->set_dma_mode      = &hpt3xx_set_mode;
+       hwif->quirkproc         = &hpt3xx_quirkproc;
+       hwif->intrproc          = &hpt3xx_intrproc;
+       hwif->maskproc          = &hpt3xx_maskproc;
+       hwif->busproc           = &hpt3xx_busproc;
 
-       if (chip_type <= HPT370A)
-               hwif->udma_filter       = &hpt3xx_udma_filter;
+       hwif->udma_filter       = &hpt3xx_udma_filter;
+       hwif->mdma_filter       = &hpt3xx_mdma_filter;
 
        /*
         * HPT3xxN chips have some complications:
@@ -1280,13 +1301,8 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
        if (new_mcr != old_mcr)
                pci_write_config_byte(dev, hwif->select_data + 1, new_mcr);
 
-       if (!hwif->dma_base) {
-               hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
+       if (hwif->dma_base == 0)
                return;
-       }
-
-       hwif->ultra_mask = hwif->cds->udma_mask;
-       hwif->mwdma_mask = 0x07;
 
        /*
         * The HPT37x uses the CBLID pins as outputs for MA15/MA16
@@ -1325,8 +1341,6 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
        if (hwif->cbl != ATA_CBL_PATA40_SHORT)
                hwif->cbl = (scr1 & ata66) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
 
-       hwif->ide_dma_check             = &hpt366_config_drive_xfer_rate;
-
        if (chip_type >= HPT374) {
                hwif->ide_dma_test_irq  = &hpt374_ide_dma_test_irq;
                hwif->ide_dma_end       = &hpt374_ide_dma_end;
@@ -1336,10 +1350,6 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
                hwif->dma_timeout       = &hpt370_dma_timeout;
        } else
                hwif->dma_lost_irq      = &hpt366_dma_lost_irq;
-
-       if (!noautodma)
-               hwif->autodma = 1;
-       hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma;
 }
 
 static void __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long dmabase)
@@ -1349,7 +1359,7 @@ static void __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long dmabase)
        u8 dma_new      = 0, dma_old    = 0;
        unsigned long flags;
 
-       dma_old = hwif->INB(dmabase + 2);
+       dma_old = inb(dmabase + 2);
 
        local_irq_save(flags);
 
@@ -1360,60 +1370,26 @@ static void __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long dmabase)
        if (masterdma & 0x30)   dma_new |= 0x20;
        if ( slavedma & 0x30)   dma_new |= 0x40;
        if (dma_new != dma_old)
-               hwif->OUTB(dma_new, dmabase + 2);
+               outb(dma_new, dmabase + 2);
 
        local_irq_restore(flags);
 
        ide_setup_dma(hwif, dmabase, 8);
 }
 
-static int __devinit init_setup_hpt374(struct pci_dev *dev, ide_pci_device_t *d)
+static void __devinit hpt374_init(struct pci_dev *dev, struct pci_dev *dev2)
 {
-       struct pci_dev *dev2;
-
-       if (PCI_FUNC(dev->devfn) & 1)
-               return -ENODEV;
-
-       pci_set_drvdata(dev, &hpt374);
-
-       if ((dev2 = pci_get_slot(dev->bus, dev->devfn + 1)) != NULL) {
-               int ret;
-
-               pci_set_drvdata(dev2, &hpt374);
-
-               if (dev2->irq != dev->irq) {
-                       /* FIXME: we need a core pci_set_interrupt() */
-                       dev2->irq = dev->irq;
-                       printk(KERN_WARNING "%s: PCI config space interrupt "
-                              "fixed.\n", d->name);
-               }
-               ret = ide_setup_pci_devices(dev, dev2, d);
-               if (ret < 0)
-                       pci_dev_put(dev2);
-               return ret;
+       if (dev2->irq != dev->irq) {
+               /* FIXME: we need a core pci_set_interrupt() */
+               dev2->irq = dev->irq;
+               printk(KERN_INFO "HPT374: PCI config space interrupt fixed\n");
        }
-       return ide_setup_pci_device(dev, d);
 }
 
-static int __devinit init_setup_hpt372n(struct pci_dev *dev, ide_pci_device_t *d)
+static void __devinit hpt371_init(struct pci_dev *dev)
 {
-       pci_set_drvdata(dev, &hpt372n);
-
-       return ide_setup_pci_device(dev, d);
-}
-
-static int __devinit init_setup_hpt371(struct pci_dev *dev, ide_pci_device_t *d)
-{
-       struct hpt_info *info;
        u8 mcr1 = 0;
 
-       if (dev->revision > 1) {
-               d->name = "HPT371N";
-
-               info = &hpt371n;
-       } else
-               info = &hpt371;
-
        /*
         * HPT371 chips physically have only one channel, the secondary one,
         * but the primary channel registers do exist!  Go figure...
@@ -1423,194 +1399,102 @@ static int __devinit init_setup_hpt371(struct pci_dev *dev, ide_pci_device_t *d)
        pci_read_config_byte(dev, 0x50, &mcr1);
        if (mcr1 & 0x04)
                pci_write_config_byte(dev, 0x50, mcr1 & ~0x04);
-
-       pci_set_drvdata(dev, info);
-
-       return ide_setup_pci_device(dev, d);
 }
 
-static int __devinit init_setup_hpt372a(struct pci_dev *dev, ide_pci_device_t *d)
+static int __devinit hpt36x_init(struct pci_dev *dev, struct pci_dev *dev2)
 {
-       struct hpt_info *info;
+       u8 mcr1 = 0, pin1 = 0, pin2 = 0;
 
-       if (dev->revision > 1) {
-               d->name = "HPT372N";
-
-               info = &hpt372n;
-       } else
-               info = &hpt372a;
-       pci_set_drvdata(dev, info);
-
-       return ide_setup_pci_device(dev, d);
-}
-
-static int __devinit init_setup_hpt302(struct pci_dev *dev, ide_pci_device_t *d)
-{
-       struct hpt_info *info;
+       /*
+        * Now we'll have to force both channels enabled if
+        * at least one of them has been enabled by BIOS...
+        */
+       pci_read_config_byte(dev, 0x50, &mcr1);
+       if (mcr1 & 0x30)
+               pci_write_config_byte(dev, 0x50, mcr1 | 0x30);
 
-       if (dev->revision > 1) {
-               d->name = "HPT302N";
+       pci_read_config_byte(dev,  PCI_INTERRUPT_PIN, &pin1);
+       pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin2);
 
-               info = &hpt302n;
-       } else
-               info = &hpt302;
-       pci_set_drvdata(dev, info);
+       if (pin1 != pin2 && dev->irq == dev2->irq) {
+               printk(KERN_INFO "HPT36x: onboard version of chipset, "
+                                "pin1=%d pin2=%d\n", pin1, pin2);
+               return 1;
+       }
 
-       return ide_setup_pci_device(dev, d);
+       return 0;
 }
 
-static int __devinit init_setup_hpt366(struct pci_dev *dev, ide_pci_device_t *d)
-{
-       struct pci_dev *dev2;
-       u8 rev = dev->revision;
-       static char   *chipset_names[] = { "HPT366", "HPT366",  "HPT368",
-                                          "HPT370", "HPT370A", "HPT372",
-                                          "HPT372N" };
-       static struct hpt_info *info[] = { &hpt36x,  &hpt36x,  &hpt36x,
-                                          &hpt370,  &hpt370a, &hpt372,
-                                          &hpt372n  };
-
-       if (PCI_FUNC(dev->devfn) & 1)
-               return -ENODEV;
-
-       switch (rev) {
-       case 0:
-       case 1:
-       case 2:
+static const struct ide_port_info hpt366_chipsets[] __devinitdata = {
+       {       /* 0 */
+               .name           = "HPT36x",
+               .init_chipset   = init_chipset_hpt366,
+               .init_hwif      = init_hwif_hpt366,
+               .init_dma       = init_dma_hpt366,
                /*
                 * HPT36x chips have one channel per function and have
                 * both channel enable bits located differently and visible
                 * to both functions -- really stupid design decision... :-(
                 * Bit 4 is for the primary channel, bit 5 for the secondary.
                 */
-               d->host_flags |= IDE_HFLAG_SINGLE;
-               d->enablebits[0].mask = d->enablebits[0].val = 0x10;
-
-               d->udma_mask = HPT366_ALLOW_ATA66_3 ?
-                             (HPT366_ALLOW_ATA66_4 ? 0x1f : 0x0f) : 0x07;
-               break;
-       case 3:
-       case 4:
-               d->udma_mask = HPT370_ALLOW_ATA100_5 ? 0x3f : 0x1f;
-               break;
-       default:
-               rev = 6;
-               /* fall thru */
-       case 5:
-       case 6:
-               d->udma_mask = HPT372_ALLOW_ATA133_6 ? 0x7f : 0x3f;
-               break;
-       }
-
-       d->name = chipset_names[rev];
-
-       pci_set_drvdata(dev, info[rev]);
-
-       if (rev > 2)
-               goto init_single;
-
-       if ((dev2 = pci_get_slot(dev->bus, dev->devfn + 1)) != NULL) {
-               u8  mcr1 = 0, pin1 = 0, pin2 = 0;
-               int ret;
-
-               pci_set_drvdata(dev2, info[rev]);
-
-               /*
-                * Now we'll have to force both channels enabled if
-                * at least one of them has been enabled by BIOS...
-                */
-               pci_read_config_byte(dev, 0x50, &mcr1);
-               if (mcr1 & 0x30)
-                       pci_write_config_byte(dev, 0x50, mcr1 | 0x30);
-
-               pci_read_config_byte(dev,  PCI_INTERRUPT_PIN, &pin1);
-               pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin2);
-               if (pin1 != pin2 && dev->irq == dev2->irq) {
-                       d->bootable = ON_BOARD;
-                       printk("%s: onboard version of chipset, pin1=%d pin2=%d\n",
-                              d->name, pin1, pin2);
-               }
-               ret = ide_setup_pci_devices(dev, dev2, d);
-               if (ret < 0)
-                       pci_dev_put(dev2);
-               return ret;
-       }
-init_single:
-       return ide_setup_pci_device(dev, d);
-}
-
-static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
-       {       /* 0 */
-               .name           = "HPT366",
-               .init_setup     = init_setup_hpt366,
-               .init_chipset   = init_chipset_hpt366,
-               .init_hwif      = init_hwif_hpt366,
-               .init_dma       = init_dma_hpt366,
-               .autodma        = AUTODMA,
-               .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .bootable       = OFF_BOARD,
+               .enablebits     = {{0x50,0x10,0x10}, {0x54,0x04,0x04}},
                .extra          = 240,
+               .host_flags     = IDE_HFLAG_SINGLE |
+                                 IDE_HFLAG_NO_ATAPI_DMA |
+                                 IDE_HFLAG_OFF_BOARD,
                .pio_mask       = ATA_PIO4,
+               .mwdma_mask     = ATA_MWDMA2,
        },{     /* 1 */
                .name           = "HPT372A",
-               .init_setup     = init_setup_hpt372a,
                .init_chipset   = init_chipset_hpt366,
                .init_hwif      = init_hwif_hpt366,
                .init_dma       = init_dma_hpt366,
-               .autodma        = AUTODMA,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .udma_mask      = HPT372_ALLOW_ATA133_6 ? 0x7f : 0x3f,
-               .bootable       = OFF_BOARD,
                .extra          = 240,
+               .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                .pio_mask       = ATA_PIO4,
+               .mwdma_mask     = ATA_MWDMA2,
        },{     /* 2 */
                .name           = "HPT302",
-               .init_setup     = init_setup_hpt302,
                .init_chipset   = init_chipset_hpt366,
                .init_hwif      = init_hwif_hpt366,
                .init_dma       = init_dma_hpt366,
-               .autodma        = AUTODMA,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .udma_mask      = HPT302_ALLOW_ATA133_6 ? 0x7f : 0x3f,
-               .bootable       = OFF_BOARD,
                .extra          = 240,
+               .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                .pio_mask       = ATA_PIO4,
+               .mwdma_mask     = ATA_MWDMA2,
        },{     /* 3 */
                .name           = "HPT371",
-               .init_setup     = init_setup_hpt371,
                .init_chipset   = init_chipset_hpt366,
                .init_hwif      = init_hwif_hpt366,
                .init_dma       = init_dma_hpt366,
-               .autodma        = AUTODMA,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .udma_mask      = HPT371_ALLOW_ATA133_6 ? 0x7f : 0x3f,
-               .bootable       = OFF_BOARD,
                .extra          = 240,
+               .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                .pio_mask       = ATA_PIO4,
+               .mwdma_mask     = ATA_MWDMA2,
        },{     /* 4 */
                .name           = "HPT374",
-               .init_setup     = init_setup_hpt374,
                .init_chipset   = init_chipset_hpt366,
                .init_hwif      = init_hwif_hpt366,
                .init_dma       = init_dma_hpt366,
-               .autodma        = AUTODMA,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .udma_mask      = 0x3f,
-               .bootable       = OFF_BOARD,
+               .udma_mask      = ATA_UDMA5,
                .extra          = 240,
+               .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                .pio_mask       = ATA_PIO4,
+               .mwdma_mask     = ATA_MWDMA2,
        },{     /* 5 */
                .name           = "HPT372N",
-               .init_setup     = init_setup_hpt372n,
                .init_chipset   = init_chipset_hpt366,
                .init_hwif      = init_hwif_hpt366,
                .init_dma       = init_dma_hpt366,
-               .autodma        = AUTODMA,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .udma_mask      = HPT372_ALLOW_ATA133_6 ? 0x7f : 0x3f,
-               .bootable       = OFF_BOARD,
                .extra          = 240,
+               .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                .pio_mask       = ATA_PIO4,
+               .mwdma_mask     = ATA_MWDMA2,
        }
 };
 
@@ -1621,25 +1505,86 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
  *
  *     Called when the PCI registration layer (or the IDE initialization)
  *     finds a device matching our IDE device tables.
- *
- *     NOTE: since we'll have to modify some fields of the ide_pci_device_t
- *     structure depending on the chip's revision, we'd better pass a local
- *     copy down the call chain...
  */
 static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-       ide_pci_device_t d = hpt366_chipsets[id->driver_data];
+       struct hpt_info *info = NULL;
+       struct pci_dev *dev2 = NULL;
+       struct ide_port_info d;
+       u8 idx = id->driver_data;
+       u8 rev = dev->revision;
+
+       if ((idx == 0 || idx == 4) && (PCI_FUNC(dev->devfn) & 1))
+               return -ENODEV;
+
+       switch (idx) {
+       case 0:
+               if (rev < 3)
+                       info = &hpt36x;
+               else {
+                       static struct hpt_info *hpt37x_info[] =
+                               { &hpt370, &hpt370a, &hpt372, &hpt372n };
+
+                       info = hpt37x_info[min_t(u8, rev, 6) - 3];
+                       idx++;
+               }
+               break;
+       case 1:
+               info = (rev > 1) ? &hpt372n : &hpt372a;
+               break;
+       case 2:
+               info = (rev > 1) ? &hpt302n : &hpt302;
+               break;
+       case 3:
+               hpt371_init(dev);
+               info = (rev > 1) ? &hpt371n : &hpt371;
+               break;
+       case 4:
+               info = &hpt374;
+               break;
+       case 5:
+               info = &hpt372n;
+               break;
+       }
+
+       d = hpt366_chipsets[idx];
+
+       d.name = info->chip_name;
+       d.udma_mask = info->udma_mask;
+
+       pci_set_drvdata(dev, info);
+
+       if (info == &hpt36x || info == &hpt374)
+               dev2 = pci_get_slot(dev->bus, dev->devfn + 1);
+
+       if (dev2) {
+               int ret;
+
+               pci_set_drvdata(dev2, info);
+
+               if (info == &hpt374)
+                       hpt374_init(dev, dev2);
+               else {
+                       if (hpt36x_init(dev, dev2))
+                               d.host_flags |= IDE_HFLAG_BOOTABLE;
+               }
+
+               ret = ide_setup_pci_devices(dev, dev2, &d);
+               if (ret < 0)
+                       pci_dev_put(dev2);
+               return ret;
+       }
 
-       return d.init_setup(dev, &d);
+       return ide_setup_pci_device(dev, &d);
 }
 
-static struct pci_device_id hpt366_pci_tbl[] = {
-       { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT366, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT372, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
-       { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
-       { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
-       { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT374, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
-       { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT372N, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
+static const struct pci_device_id hpt366_pci_tbl[] = {
+       { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT366),  0 },
+       { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT372),  1 },
+       { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT302),  2 },
+       { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT371),  3 },
+       { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT374),  4 },
+       { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT372N), 5 },
        { 0, },
 };
 MODULE_DEVICE_TABLE(pci, hpt366_pci_tbl);