diff options
Diffstat (limited to 'drivers/ide/mips/au1xxx-ide.c')
| -rw-r--r-- | drivers/ide/mips/au1xxx-ide.c | 76 |
1 files changed, 19 insertions, 57 deletions
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 2d3e5115b83..0f4bf5d7283 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -1,6 +1,4 @@ /* - * linux/drivers/ide/mips/au1xxx-ide.c version 01.30.00 Aug. 02 2005 - * * BRIEF MODULE DESCRIPTION * AMD Alchemy Au1xxx IDE interface routines over the Static Bus * @@ -50,7 +48,6 @@ #include <asm/mach-au1x00/au1xxx_ide.h> #define DRV_NAME "au1200-ide" -#define DRV_VERSION "1.0" #define DRV_AUTHOR "Enrico Walther <enrico.walther@amd.com> / Pete Popov <ppopov@embeddedalley.com>" /* enable the burstmode in the dbdma */ @@ -209,24 +206,6 @@ static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed) */ #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - -static int auide_build_sglist(ide_drive_t *drive, struct request *rq) -{ - ide_hwif_t *hwif = drive->hwif; - _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; - struct scatterlist *sg = hwif->sg_table; - - ide_map_sg(drive, rq); - - if (rq_data_dir(rq) == READ) - hwif->sg_dma_direction = DMA_FROM_DEVICE; - else - hwif->sg_dma_direction = DMA_TO_DEVICE; - - return dma_map_sg(ahwif->dev, sg, hwif->sg_nents, - hwif->sg_dma_direction); -} - static int auide_build_dmatable(ide_drive_t *drive) { int i, iswrite, count = 0; @@ -241,8 +220,7 @@ static int auide_build_dmatable(ide_drive_t *drive) /* Save for interrupt context */ ahwif->drive = drive; - /* Build sglist */ - hwif->sg_nents = i = auide_build_sglist(drive, rq); + hwif->sg_nents = i = ide_build_sglist(drive, rq); if (!i) return 0; @@ -300,10 +278,7 @@ static int auide_build_dmatable(ide_drive_t *drive) return 1; use_pio_instead: - dma_unmap_sg(ahwif->dev, - hwif->sg_table, - hwif->sg_nents, - hwif->sg_dma_direction); + ide_destroy_dmatable(drive); return 0; /* revert to PIO for this request */ } @@ -311,11 +286,9 @@ static int auide_build_dmatable(ide_drive_t *drive) static int auide_dma_end(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); - _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; if (hwif->sg_nents) { - dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents, - hwif->sg_dma_direction); + ide_destroy_dmatable(drive); hwif->sg_nents = 0; } @@ -504,7 +477,7 @@ static int auide_ddma_init(_auide_hwif *auide) { auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, NUM_DESCRIPTORS); - hwif->dmatable_cpu = dma_alloc_coherent(auide->dev, + hwif->dmatable_cpu = dma_alloc_coherent(hwif->dev, PRD_ENTRIES * PRD_BYTES, /* 1 Page */ &hwif->dmatable_dma, GFP_KERNEL); @@ -575,6 +548,17 @@ static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif) *ata_regs = ahwif->regbase + (14 << AU1XXX_ATA_REG_OFFSET); } +static const struct ide_port_info au1xxx_port_info = { + .host_flags = IDE_HFLAG_POST_SET_MODE | + IDE_HFLAG_NO_DMA | /* no SFF-style DMA */ + IDE_HFLAG_NO_IO_32BIT | + IDE_HFLAG_UNMASK_IRQS, + .pio_mask = ATA_PIO4, +#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA + .mwdma_mask = ATA_MWDMA2, +#endif +}; + static int au_ide_probe(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); @@ -592,9 +576,6 @@ static int au_ide_probe(struct device *dev) #endif memset(&auide_hwif, 0, sizeof(_auide_hwif)); - auide_hwif.dev = 0; - - ahwif->dev = dev; ahwif->irq = platform_get_irq(pdev, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -629,24 +610,12 @@ static int au_ide_probe(struct device *dev) memset(&hw, 0, sizeof(hw)); auide_setup_ports(&hw, ahwif); hw.irq = ahwif->irq; + hw.dev = dev; hw.chipset = ide_au1xxx; ide_init_port_hw(hwif, &hw); - hwif->ultra_mask = 0x0; /* Disable Ultra DMA */ -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - hwif->mwdma_mask = 0x07; /* Multimode-2 DMA */ - hwif->swdma_mask = 0x00; -#else - hwif->mwdma_mask = 0x0; - hwif->swdma_mask = 0x0; -#endif - - hwif->pio_mask = ATA_PIO4; - hwif->host_flags = IDE_HFLAG_POST_SET_MODE; - - hwif->drives[0].unmask = 1; - hwif->drives[1].unmask = 1; + hwif->dev = dev; /* hold should be on in all cases */ hwif->hold = 1; @@ -678,16 +647,9 @@ static int au_ide_probe(struct device *dev) hwif->ide_dma_test_irq = &auide_dma_test_irq; hwif->dma_lost_irq = &auide_dma_lost_irq; #endif - hwif->channel = 0; hwif->select_data = 0; /* no chipset-specific code */ hwif->config_data = 0; /* no chipset-specific code */ - hwif->drives[0].autotune = 1; /* 1=autotune, 2=noautotune, 0=default */ - hwif->drives[1].autotune = 1; - - hwif->drives[0].no_io_32bit = 1; - hwif->drives[1].no_io_32bit = 1; - auide_hwif.hwif = hwif; hwif->hwif_data = &auide_hwif; @@ -698,7 +660,7 @@ static int au_ide_probe(struct device *dev) idx[0] = hwif->index; - ide_device_add(idx); + ide_device_add(idx, &au1xxx_port_info); dev_set_drvdata(dev, hwif); @@ -715,7 +677,7 @@ static int au_ide_remove(struct device *dev) ide_hwif_t *hwif = dev_get_drvdata(dev); _auide_hwif *ahwif = &auide_hwif; - ide_unregister(hwif - ide_hwifs); + ide_unregister(hwif->index, 0, 0); iounmap((void *)ahwif->regbase); |