]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ide/pci/hpt366.c
hpt366: merge set_dma_mode() methods
[linux-2.6-omap-h63xx.git] / drivers / ide / pci / hpt366.c
index 8812a9bb032ff6f77f45334b984b2a6d37f71f6a..df14d692743cd4bb26b1336482857990a5364ecd 100644 (file)
@@ -1,9 +1,10 @@
 /*
- * linux/drivers/ide/pci/hpt366.c              Version 1.13    Sep 29, 2007
+ * linux/drivers/ide/pci/hpt366.c              Version 1.30    Dec 12, 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.
@@ -87,7 +88,7 @@
  * - rename all the register related variables consistently
  * - move all the interrupt twiddling code from the speedproc handlers into
  *   init_hwif_hpt366(), also grouping all the DMA related code together there
- * - merge two HPT37x speedproc handlers, fix the PIO timing register mask and
+ * - merge HPT36x/HPT37x speedproc handlers, fix PIO timing register mask and
  *   separate the UltraDMA and MWDMA masks there to avoid changing PIO timings
  *   when setting an UltraDMA mode
  * - fix hpt3xx_tune_drive() to set the PIO mode requested, not always select
@@ -309,6 +310,8 @@ static u32 twenty_five_base_hpt36x[] = {
        /* XFER_PIO_0 */        0xc0d08585
 };
 
+#if 0
+/* These are the timing tables from the HighPoint open source drivers... */
 static u32 thirty_three_base_hpt37x[] = {
        /* XFER_UDMA_6 */       0x12446231,     /* 0x12646231 ?? */
        /* XFER_UDMA_5 */       0x12446231,
@@ -368,6 +371,73 @@ static u32 sixty_six_base_hpt37x[] = {
        /* XFER_PIO_1 */        0x0d029d26,
        /* XFER_PIO_0 */        0x0d029d5e
 };
+#else
+/*
+ * The following are the new timing tables with PIO mode data/taskfile transfer
+ * overclocking fixed...
+ */
+
+/* This table is taken from the HPT370 data manual rev. 1.02 */
+static u32 thirty_three_base_hpt37x[] = {
+       /* XFER_UDMA_6 */       0x16455031,     /* 0x16655031 ?? */
+       /* XFER_UDMA_5 */       0x16455031,
+       /* XFER_UDMA_4 */       0x16455031,
+       /* XFER_UDMA_3 */       0x166d5031,
+       /* XFER_UDMA_2 */       0x16495031,
+       /* XFER_UDMA_1 */       0x164d5033,
+       /* XFER_UDMA_0 */       0x16515097,
+
+       /* XFER_MW_DMA_2 */     0x26515031,
+       /* XFER_MW_DMA_1 */     0x26515033,
+       /* XFER_MW_DMA_0 */     0x26515097,
+
+       /* XFER_PIO_4 */        0x06515021,
+       /* XFER_PIO_3 */        0x06515022,
+       /* XFER_PIO_2 */        0x06515033,
+       /* XFER_PIO_1 */        0x06915065,
+       /* XFER_PIO_0 */        0x06d1508a
+};
+
+static u32 fifty_base_hpt37x[] = {
+       /* XFER_UDMA_6 */       0x1a861842,
+       /* XFER_UDMA_5 */       0x1a861842,
+       /* XFER_UDMA_4 */       0x1aae1842,
+       /* XFER_UDMA_3 */       0x1a8e1842,
+       /* XFER_UDMA_2 */       0x1a0e1842,
+       /* XFER_UDMA_1 */       0x1a161854,
+       /* XFER_UDMA_0 */       0x1a1a18ea,
+
+       /* XFER_MW_DMA_2 */     0x2a821842,
+       /* XFER_MW_DMA_1 */     0x2a821854,
+       /* XFER_MW_DMA_0 */     0x2a8218ea,
+
+       /* XFER_PIO_4 */        0x0a821842,
+       /* XFER_PIO_3 */        0x0a821843,
+       /* XFER_PIO_2 */        0x0a821855,
+       /* XFER_PIO_1 */        0x0ac218a8,
+       /* XFER_PIO_0 */        0x0b02190c
+};
+
+static u32 sixty_six_base_hpt37x[] = {
+       /* XFER_UDMA_6 */       0x1c86fe62,
+       /* XFER_UDMA_5 */       0x1caefe62,     /* 0x1c8afe62 */
+       /* XFER_UDMA_4 */       0x1c8afe62,
+       /* XFER_UDMA_3 */       0x1c8efe62,
+       /* XFER_UDMA_2 */       0x1c92fe62,
+       /* XFER_UDMA_1 */       0x1c9afe62,
+       /* XFER_UDMA_0 */       0x1c82fe62,
+
+       /* XFER_MW_DMA_2 */     0x2c82fe62,
+       /* XFER_MW_DMA_1 */     0x2c82fe66,
+       /* XFER_MW_DMA_0 */     0x2c82ff2e,
+
+       /* XFER_PIO_4 */        0x0c82fe62,
+       /* XFER_PIO_3 */        0x0c82fe84,
+       /* XFER_PIO_2 */        0x0c82fea6,
+       /* XFER_PIO_1 */        0x0d02ff26,
+       /* XFER_PIO_0 */        0x0d42ff7f
+};
+#endif
 
 #define HPT366_DEBUG_DRIVE_INFO                0
 #define HPT371_ALLOW_ATA133_6          1
@@ -388,16 +458,25 @@ enum ata_clock {
        NUM_ATA_CLOCKS
 };
 
+struct hpt_timings {
+       u32 pio_mask;
+       u32 dma_mask;
+       u32 ultra_mask;
+       u32 *clock_table[NUM_ATA_CLOCKS];
+};
+
 /*
  *     Hold all the HighPoint chip information in one place.
  */
 
 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 */
+       struct hpt_timings *timings; /* Chipset timing data */
+       u8 clock;               /* ATA clock selected */
 };
 
 /* Supported HighPoint chips */
@@ -415,97 +494,118 @@ enum {
        HPT371N
 };
 
-static u32 *hpt36x_settings[NUM_ATA_CLOCKS] = {
-       twenty_five_base_hpt36x,
-       thirty_three_base_hpt36x,
-       forty_base_hpt36x,
-       NULL,
-       NULL
+static struct hpt_timings hpt36x_timings = {
+       .pio_mask       = 0xc1f8ffff,
+       .dma_mask       = 0x303800ff,
+       .ultra_mask     = 0x30070000,
+       .clock_table    = {
+               [ATA_CLOCK_25MHZ] = twenty_five_base_hpt36x,
+               [ATA_CLOCK_33MHZ] = thirty_three_base_hpt36x,
+               [ATA_CLOCK_40MHZ] = forty_base_hpt36x,
+               [ATA_CLOCK_50MHZ] = NULL,
+               [ATA_CLOCK_66MHZ] = NULL
+       }
 };
 
-static u32 *hpt37x_settings[NUM_ATA_CLOCKS] = {
-       NULL,
-       thirty_three_base_hpt37x,
-       NULL,
-       fifty_base_hpt37x,
-       sixty_six_base_hpt37x
+static struct hpt_timings hpt37x_timings = {
+       .pio_mask       = 0xcfc3ffff,
+       .dma_mask       = 0x31c001ff,
+       .ultra_mask     = 0x303c0000,
+       .clock_table    = {
+               [ATA_CLOCK_25MHZ] = NULL,
+               [ATA_CLOCK_33MHZ] = thirty_three_base_hpt37x,
+               [ATA_CLOCK_40MHZ] = NULL,
+               [ATA_CLOCK_50MHZ] = fifty_base_hpt37x,
+               [ATA_CLOCK_66MHZ] = sixty_six_base_hpt37x
+       }
 };
 
-static struct hpt_info hpt36x __devinitdata = {
+static const 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
+       .timings        = &hpt36x_timings
 };
 
-static struct hpt_info hpt370 __devinitdata = {
+static const 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
+       .timings        = &hpt37x_timings
 };
 
-static struct hpt_info hpt370a __devinitdata = {
+static const 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
+       .timings        = &hpt37x_timings
 };
 
-static struct hpt_info hpt374 __devinitdata = {
+static const struct hpt_info hpt374 __devinitdata = {
+       .chip_name      = "HPT374",
        .chip_type      = HPT374,
-       .max_ultra      = 5,
+       .udma_mask      = ATA_UDMA5,
        .dpll_clk       = 48,
-       .settings       = hpt37x_settings
+       .timings        = &hpt37x_timings
 };
 
-static struct hpt_info hpt372 __devinitdata = {
+static const 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
+       .timings        = &hpt37x_timings
 };
 
-static struct hpt_info hpt372a __devinitdata = {
+static const 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
+       .timings        = &hpt37x_timings
 };
 
-static struct hpt_info hpt302 __devinitdata = {
+static const 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
+       .timings        = &hpt37x_timings
 };
 
-static struct hpt_info hpt371 __devinitdata = {
+static const 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
+       .timings        = &hpt37x_timings
 };
 
-static struct hpt_info hpt372n __devinitdata = {
+static const 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
+       .timings        = &hpt37x_timings
 };
 
-static struct hpt_info hpt302n __devinitdata = {
+static const 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
+       .timings        = &hpt37x_timings
 };
 
-static struct hpt_info hpt371n __devinitdata = {
+static const 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
+       .timings        = &hpt37x_timings
 };
 
 static int check_in_drive_list(ide_drive_t *drive, const char **list)
@@ -593,71 +693,33 @@ static u32 get_speed_setting(u8 speed, struct hpt_info *info)
        for (i = 0; i < ARRAY_SIZE(xfer_speeds) - 1; i++)
                if (xfer_speeds[i] == speed)
                        break;
-       /*
-        * NOTE: info->settings only points to the pointer
-        * to the list of the actual register values
-        */
-       return (*info->settings)[i];
+
+       return info->timings->clock_table[info->clock][i];
 }
 
-static void hpt36x_set_mode(ide_drive_t *drive, const u8 speed)
+static void hpt3xx_set_mode(ide_drive_t *drive, const u8 speed)
 {
-       ide_hwif_t *hwif        = HWIF(drive);
-       struct pci_dev  *dev    = hwif->pci_dev;
+       struct pci_dev  *dev    = HWIF(drive)->pci_dev;
        struct hpt_info *info   = pci_get_drvdata(dev);
-       u8  itr_addr            = drive->dn ? 0x44 : 0x40;
+       struct hpt_timings *t   = info->timings;
+       u8  itr_addr            = 0x40 + (drive->dn * 4);
        u32 old_itr             = 0;
-       u32 itr_mask, new_itr;
-
-       itr_mask = speed < XFER_MW_DMA_0 ? 0x30070000 :
-                 (speed < XFER_UDMA_0   ? 0xc0070000 : 0xc03800ff);
-
-       new_itr = get_speed_setting(speed, info);
+       u32 new_itr             = get_speed_setting(speed, info);
+       u32 itr_mask            = speed < XFER_MW_DMA_0 ? t->pio_mask :
+                                (speed < XFER_UDMA_0   ? t->dma_mask :
+                                                         t->ultra_mask);
 
+       pci_read_config_dword(dev, itr_addr, &old_itr);
+       new_itr = (old_itr & ~itr_mask) | (new_itr & itr_mask);
        /*
         * Disable on-chip PIO FIFO/buffer (and PIO MST mode as well)
         * to avoid problems handling I/O errors later
         */
-       pci_read_config_dword(dev, itr_addr, &old_itr);
-       new_itr  = (new_itr & ~itr_mask) | (old_itr & itr_mask);
        new_itr &= ~0xc0000000;
 
        pci_write_config_dword(dev, itr_addr, new_itr);
 }
 
-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  itr_addr            = 0x40 + (drive->dn * 4);
-       u32 old_itr             = 0;
-       u32 itr_mask, new_itr;
-
-       itr_mask = speed < XFER_MW_DMA_0 ? 0x303c0000 :
-                 (speed < XFER_UDMA_0   ? 0xc03c0000 : 0xc1c001ff);
-
-       new_itr = get_speed_setting(speed, info);
-
-       pci_read_config_dword(dev, itr_addr, &old_itr);
-       new_itr = (new_itr & ~itr_mask) | (old_itr & itr_mask);
-       
-       if (speed < XFER_MW_DMA_0)
-               new_itr &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */
-       pci_write_config_dword(dev, itr_addr, new_itr);
-}
-
-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)
-               hpt37x_set_mode(drive, speed);
-       else    /* hpt368: hpt_minimum_revision(dev, 2) */
-               hpt36x_set_mode(drive, speed);
-}
-
 static void hpt3xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
        hpt3xx_set_mode(drive, XFER_PIO_0 + pio);
@@ -676,12 +738,11 @@ 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)
@@ -709,21 +770,8 @@ 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))
-               ide_set_max_pio(drive);
-
-       return -1;
+               outb(mask ? (drive->ctl | 2) : (drive->ctl & ~2),
+                    IDE_CONTROL_REG);
 }
 
 /*
@@ -763,9 +811,9 @@ 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);
 }
 
@@ -780,12 +828,12 @@ 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);
        }
@@ -846,34 +894,32 @@ 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);
 }
 
 /**
@@ -1144,7 +1190,7 @@ 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 (chip_type >= HPT374 || info->settings[clock] == NULL) {
+       if (chip_type >= HPT374 || info->timings->clock_table[clock] == NULL) {
                u16 f_low, delta = pci_clk < 50 ? 2 : 4;
                int adjust;
 
@@ -1152,7 +1198,7 @@ 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 */
@@ -1160,7 +1206,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
                        clock = ATA_CLOCK_50MHZ;
                }
 
-               if (info->settings[clock] == NULL) {
+               if (info->timings->clock_table[clock] == NULL) {
                        printk(KERN_ERR "%s: unknown bus timing!\n", name);
                        kfree(info);
                        return -EIO;
@@ -1201,15 +1247,10 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
                printk("%s: using %d MHz PCI clock\n", name, pci_clk);
        }
 
-       /*
-        * Advance the table pointer to a slot which points to the list
-        * of the register values settings matching the clock being used.
-        */
-       info->settings += clock;
-
        /* Store the clock frequencies. */
        info->dpll_clk  = dpll_clk;
        info->pci_clk   = pci_clk;
+       info->clock     = clock;
 
        /* Point to this chip's own instance of the hpt_info structure. */
        pci_set_drvdata(dev, info);
@@ -1254,6 +1295,7 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
 
        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;
@@ -1304,13 +1346,8 @@ 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
@@ -1349,8 +1386,6 @@ 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;
@@ -1360,10 +1395,6 @@ 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)
@@ -1373,7 +1404,7 @@ 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);
 
@@ -1384,60 +1415,26 @@ 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)
-{
-       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)
+static void __devinit hpt371_init(struct pci_dev *dev)
 {
-       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...
@@ -1447,194 +1444,102 @@ 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;
-
-       if (dev->revision > 1) {
-               d->name = "HPT372N";
-
-               info = &hpt372n;
-       } else
-               info = &hpt372a;
-       pci_set_drvdata(dev, info);
-
-       return ide_setup_pci_device(dev, d);
-}
+       u8 mcr1 = 0, pin1 = 0, pin2 = 0;
 
-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 ?
-                              ATA_UDMA4 : ATA_UDMA3) : ATA_UDMA2;
-               break;
-       case 3:
-       case 4:
-               d->udma_mask = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4;
-               break;
-       default:
-               rev = 6;
-               /* fall thru */
-       case 5:
-       case 6:
-               d->udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5;
-               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 ? ATA_UDMA6 : ATA_UDMA5,
-               .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 ? ATA_UDMA6 : ATA_UDMA5,
-               .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 ? ATA_UDMA6 : ATA_UDMA5,
-               .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      = ATA_UDMA5,
-               .bootable       = OFF_BOARD,
                .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 ? ATA_UDMA6 : ATA_UDMA5,
-               .bootable       = OFF_BOARD,
                .extra          = 240,
+               .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                .pio_mask       = ATA_PIO4,
+               .mwdma_mask     = ATA_MWDMA2,
        }
 };
 
@@ -1645,25 +1550,86 @@ 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];
+       const 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 const 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, (void *)info);
+
+       if (info == &hpt36x || info == &hpt374)
+               dev2 = pci_get_slot(dev->bus, dev->devfn + 1);
+
+       if (dev2) {
+               int ret;
+
+               pci_set_drvdata(dev2, (void *)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);