From: Sergei Shtylyov Date: Tue, 11 Sep 2007 20:28:36 +0000 (+0200) Subject: hpt366: UltraDMA filter for SATA cards (take 2) X-Git-Tag: v2.6.23-rc7~96^2~4 X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=2808b0a96a05ac8e826b5380eb2d30a10586707a;p=linux-2.6-omap-h63xx.git hpt366: UltraDMA filter for SATA cards (take 2) The Marvell bridge chips used on HighPoint SATA cards do not seem to support the UltraDMA modes 1, 2, and 3 as well as any MWDMA modes, so the driver needs to account for this in the udma_filter() method. In order to achieve that, do the following changes: - install the method for all chips, not only HPT36x/370 and improve the code formatting by killing the extra tabs while at it; - add to the end of the 'switch' statement in the method cases for HPT372[AN] and HPT374 chips upon which the known SATA cards are based; - use hwif->ultra_mask as a default mask for the ide_dma_filter() method to behave correctly; - move the HPT370[A] cases below the HPT36x case for consistency. While at it, replace the explicit UltraDMA mode masks with ATA_UDMA* constants all over the driver... Signed-off-by: Sergei Shtylyov Cc: Bob Ham Signed-off-by: Bartlomiej Zolnierkiewicz --- diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index f87eec97057..39f1c89f7c8 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/hpt366.c Version 1.11 Aug 11, 2007 + * linux/drivers/ide/pci/hpt366.c Version 1.12 Aug 19, 2007 * * Copyright (C) 1999-2003 Andre Hedrick * Portions Copyright (C) 2001 Sun Microsystems, Inc. @@ -114,6 +114,7 @@ * 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 UltraDMA mode filtering for the HPT37[24] based SATA cards * Sergei Shtylyov, or */ @@ -518,42 +519,44 @@ 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; @@ -1236,25 +1239,24 @@ 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->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; - if (chip_type <= HPT370A) - hwif->udma_filter = &hpt3xx_udma_filter; + hwif->udma_filter = &hpt3xx_udma_filter; /* * HPT3xxN chips have some complications: @@ -1504,19 +1506,19 @@ static int __devinit init_setup_hpt366(struct pci_dev *dev, ide_pci_device_t *d) 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; + 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 ? 0x3f : 0x1f; + 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 ? 0x7f : 0x3f; + d->udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5; break; } @@ -1577,7 +1579,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { .init_dma = init_dma_hpt366, .autodma = AUTODMA, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, - .udma_mask = HPT372_ALLOW_ATA133_6 ? 0x7f : 0x3f, + .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .bootable = OFF_BOARD, .extra = 240, .pio_mask = ATA_PIO4, @@ -1589,7 +1591,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { .init_dma = init_dma_hpt366, .autodma = AUTODMA, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, - .udma_mask = HPT302_ALLOW_ATA133_6 ? 0x7f : 0x3f, + .udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .bootable = OFF_BOARD, .extra = 240, .pio_mask = ATA_PIO4, @@ -1601,7 +1603,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { .init_dma = init_dma_hpt366, .autodma = AUTODMA, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, - .udma_mask = HPT371_ALLOW_ATA133_6 ? 0x7f : 0x3f, + .udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .bootable = OFF_BOARD, .extra = 240, .pio_mask = ATA_PIO4, @@ -1613,7 +1615,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { .init_dma = init_dma_hpt366, .autodma = AUTODMA, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, - .udma_mask = 0x3f, + .udma_mask = ATA_UDMA5, .bootable = OFF_BOARD, .extra = 240, .pio_mask = ATA_PIO4, @@ -1625,7 +1627,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { .init_dma = init_dma_hpt366, .autodma = AUTODMA, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, - .udma_mask = HPT372_ALLOW_ATA133_6 ? 0x7f : 0x3f, + .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .bootable = OFF_BOARD, .extra = 240, .pio_mask = ATA_PIO4,