diff options
Diffstat (limited to 'drivers/ide/mips/au1xxx-ide.c')
| -rw-r--r-- | drivers/ide/mips/au1xxx-ide.c | 86 |
1 files changed, 24 insertions, 62 deletions
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 2ba6a05..2f322d7 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -99,20 +99,9 @@ void auide_outsw(unsigned long port, void *addr, u32 count) #endif -static void auide_tune_drive(ide_drive_t *drive, byte pio) +static void au1xxx_set_pio_mode(ide_drive_t *drive, const u8 pio) { - int mem_sttime; - int mem_stcfg; - u8 speed; - - /* get the best pio mode for the drive */ - pio = ide_get_best_pio_mode(drive, pio, 4); - - printk(KERN_INFO "%s: setting Au1XXX IDE to PIO mode%d\n", - drive->name, pio); - - mem_sttime = 0; - mem_stcfg = au_readl(MEM_STCFG2); + int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2); /* set pio mode! */ switch(pio) { @@ -170,23 +159,11 @@ static void auide_tune_drive(ide_drive_t *drive, byte pio) au_writel(mem_sttime,MEM_STTIME2); au_writel(mem_stcfg,MEM_STCFG2); - - speed = pio + XFER_PIO_0; - ide_config_drive_speed(drive, speed); } -static int auide_tune_chipset (ide_drive_t *drive, u8 speed) +static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed) { - int mem_sttime; - int mem_stcfg; - - mem_sttime = 0; - mem_stcfg = au_readl(MEM_STCFG2); - - if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) { - auide_tune_drive(drive, speed - XFER_PIO_0); - return 0; - } + int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2); switch(speed) { #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA @@ -222,16 +199,11 @@ static int auide_tune_chipset (ide_drive_t *drive, u8 speed) break; #endif default: - return 1; + return; } - if (ide_config_drive_speed(drive, speed)) - return 1; - au_writel(mem_sttime,MEM_STTIME2); au_writel(mem_stcfg,MEM_STCFG2); - - return 0; } /* @@ -324,7 +296,7 @@ static int auide_build_dmatable(ide_drive_t *drive) cur_addr += tc; cur_len -= tc; } - sg++; + sg = sg_next(sg); i--; } @@ -379,11 +351,18 @@ static int auide_dma_setup(ide_drive_t *drive) return 0; } -static int auide_dma_check(ide_drive_t *drive) +static u8 auide_mdma_filter(ide_drive_t *drive) { - u8 speed = ide_max_dma_mode(drive); + /* + * FIXME: ->white_list and ->black_list are based on completely bogus + * ->ide_dma_check implementation which didn't set neither the host + * controller timings nor the device for the desired transfer mode. + * + * They should be either removed or 0x00 MWDMA mask should be + * returned for devices on the ->black_list. + */ - if( dbdma_init_done == 0 ){ + if (dbdma_init_done == 0) { auide_hwif.white_list = ide_in_drive_list(drive->id, dma_white_list); auide_hwif.black_list = ide_in_drive_list(drive->id, @@ -394,22 +373,11 @@ static int auide_dma_check(ide_drive_t *drive) } /* Is the drive in our DMA black list? */ - - if ( auide_hwif.black_list ) { - drive->using_dma = 0; - - /* Borrowed the warning message from ide-dma.c */ - + if (auide_hwif.black_list) printk(KERN_WARNING "%s: Disabling DMA for %s (blacklisted)\n", - drive->name, drive->id->model); - } - else - drive->using_dma = 1; - - if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) - return 0; + drive->name, drive->id->model); - return -1; + return drive->hwif->mwdma_mask; } static int auide_dma_test_irq(ide_drive_t *drive) @@ -693,6 +661,7 @@ static int au_ide_probe(struct device *dev) #endif hwif->pio_mask = ATA_PIO4; + hwif->host_flags = IDE_HFLAG_POST_SET_MODE; hwif->noprobe = 0; hwif->drives[0].unmask = 1; @@ -712,14 +681,15 @@ static int au_ide_probe(struct device *dev) hwif->OUTSW = auide_outsw; #endif - hwif->tuneproc = &auide_tune_drive; - hwif->speedproc = &auide_tune_chipset; + hwif->set_pio_mode = &au1xxx_set_pio_mode; + hwif->set_dma_mode = &auide_set_dma_mode; #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA hwif->dma_off_quietly = &auide_dma_off_quietly; hwif->dma_timeout = &auide_dma_timeout; - hwif->ide_dma_check = &auide_dma_check; + hwif->mdma_filter = &auide_mdma_filter; + hwif->dma_exec_cmd = &auide_dma_exec_cmd; hwif->dma_start = &auide_dma_start; hwif->ide_dma_end = &auide_dma_end; @@ -729,20 +699,12 @@ static int au_ide_probe(struct device *dev) hwif->dma_host_on = &auide_dma_host_on; hwif->dma_lost_irq = &auide_dma_lost_irq; hwif->ide_dma_on = &auide_dma_on; - - hwif->autodma = 1; - hwif->drives[0].autodma = hwif->autodma; - hwif->drives[1].autodma = hwif->autodma; - hwif->atapi_dma = 1; - #else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ - hwif->autodma = 0; hwif->channel = 0; hwif->hold = 1; hwif->select_data = 0; /* no chipset-specific code */ hwif->config_data = 0; /* no chipset-specific code */ - hwif->drives[0].autodma = 0; hwif->drives[0].autotune = 1; /* 1=autotune, 2=noautotune, 0=default */ #endif hwif->drives[0].no_io_32bit = 1; |