diff options
Diffstat (limited to 'drivers/ide/pci/hpt366.c')
| -rw-r--r-- | drivers/ide/pci/hpt366.c | 58 |
1 files changed, 31 insertions, 27 deletions
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 39f1c89f7c86..8812a9bb032f 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/hpt366.c Version 1.12 Aug 19, 2007 + * linux/drivers/ide/pci/hpt366.c Version 1.13 Sep 29, 2007 * * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> * Portions Copyright (C) 2001 Sun Microsystems, Inc. @@ -114,7 +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 + * - add Ultra and MW DMA mode filtering for the HPT37[24] based SATA cards * Sergei Shtylyov, <sshtylyov@ru.mvista.com> or <source@mvista.com> */ @@ -562,6 +562,24 @@ static u8 hpt3xx_udma_filter(ide_drive_t *drive) 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; @@ -582,20 +600,15 @@ 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); @@ -610,24 +623,17 @@ 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); @@ -639,25 +645,22 @@ 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) @@ -718,7 +721,7 @@ static int hpt366_config_drive_xfer_rate(ide_drive_t *drive) return 0; if (ide_use_fast_pio(drive)) - hpt3xx_tune_drive(drive, 255); + ide_set_max_pio(drive); return -1; } @@ -1249,14 +1252,15 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) /* Cache the channel's MISC. control registers' offset */ hwif->select_data = hwif->channel ? 0x54 : 0x50; - hwif->tuneproc = &hpt3xx_tune_drive; - hwif->speedproc = &hpt3xx_tune_chipset; + 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; hwif->udma_filter = &hpt3xx_udma_filter; + hwif->mdma_filter = &hpt3xx_mdma_filter; /* * HPT3xxN chips have some complications: |