diff options
Diffstat (limited to 'drivers/ata/pata_optidma.c')
| -rw-r--r-- | drivers/ata/pata_optidma.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c index 800aea7b9444..177a455f4251 100644 --- a/drivers/ata/pata_optidma.c +++ b/drivers/ata/pata_optidma.c @@ -51,11 +51,11 @@ static int pci_clock; /* 0 = 33 1 = 25 */ * * Set up cable type and use generic probe init */ - + static int optidma_pre_reset(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); - static const struct pci_bits optidma_enable_bits = { + static const struct pci_bits optidma_enable_bits = { 0x40, 1, 0x08, 0x00 }; @@ -90,11 +90,11 @@ static void optidma_error_handler(struct ata_port *ap) * Unlock the control register block for this adapter. Registers must not * be unlocked in a situation where libata might look at them. */ - + static void optidma_unlock(struct ata_port *ap) { unsigned long regio = ap->ioaddr.cmd_addr; - + /* These 3 unlock the control register access */ inw(regio + 1); inw(regio + 1); @@ -107,11 +107,11 @@ static void optidma_unlock(struct ata_port *ap) * * Re-lock the configuration register settings. */ - + static void optidma_lock(struct ata_port *ap) { unsigned long regio = ap->ioaddr.cmd_addr; - + /* Relock */ outb(0x83, regio + 2); } @@ -154,7 +154,7 @@ static void optidma_set_mode(struct ata_port *ap, struct ata_device *adev, u8 mo /* Switch from IDE to control mode */ optidma_unlock(ap); - + /* * As with many controllers the address setup time is shared @@ -166,7 +166,7 @@ static void optidma_set_mode(struct ata_port *ap, struct ata_device *adev, u8 mo addr = 0; else addr = addr_timing[pci_clock][pio]; - + if (pair) { u8 pair_addr; /* Hardware constraint */ @@ -177,7 +177,7 @@ static void optidma_set_mode(struct ata_port *ap, struct ata_device *adev, u8 mo if (pair_addr > addr) addr = pair_addr; } - + /* Commence primary programming sequence */ /* First we load the device number into the timing select */ outb(adev->devno, regio + MISC_REG); @@ -194,10 +194,10 @@ static void optidma_set_mode(struct ata_port *ap, struct ata_device *adev, u8 mo /* Programming sequence complete, timing 0 dev 0, timing 1 dev 1 */ outb(0x85, regio + CNTRL_REG); - + /* Switch back to IDE mode */ optidma_lock(ap); - + /* Note: at this point our programming is incomplete. We are not supposed to program PCI 0x43 "things we hacked onto the chip" until we've done both sets of PIO/DMA timings */ @@ -223,7 +223,7 @@ static void optiplus_set_mode(struct ata_port *ap, struct ata_device *adev, u8 m int dev2 = 2 * adev->devno; int unit = 2 * ap->port_no + adev->devno; int udma = mode - XFER_UDMA_0; - + pci_read_config_byte(pdev, 0x44, &udcfg); if (mode <= XFER_UDMA_0) { udcfg &= ~(1 << unit); @@ -252,7 +252,7 @@ static void optiplus_set_mode(struct ata_port *ap, struct ata_device *adev, u8 m * DMA programming. The architecture of the Firestar makes it easier * for us to have a common function so we provide wrappers */ - + static void optidma_set_pio_mode(struct ata_port *ap, struct ata_device *adev) { optidma_set_mode(ap, adev, adev->pio_mode); @@ -267,7 +267,7 @@ static void optidma_set_pio_mode(struct ata_port *ap, struct ata_device *adev) * DMA programming. The architecture of the Firestar makes it easier * for us to have a common function so we provide wrappers */ - + static void optidma_set_dma_mode(struct ata_port *ap, struct ata_device *adev) { optidma_set_mode(ap, adev, adev->dma_mode); @@ -282,7 +282,7 @@ static void optidma_set_dma_mode(struct ata_port *ap, struct ata_device *adev) * DMA programming. The architecture of the Firestar makes it easier * for us to have a common function so we provide wrappers */ - + static void optiplus_set_pio_mode(struct ata_port *ap, struct ata_device *adev) { optiplus_set_mode(ap, adev, adev->pio_mode); @@ -297,7 +297,7 @@ static void optiplus_set_pio_mode(struct ata_port *ap, struct ata_device *adev) * DMA programming. The architecture of the Firestar makes it easier * for us to have a common function so we provide wrappers */ - + static void optiplus_set_dma_mode(struct ata_port *ap, struct ata_device *adev) { optiplus_set_mode(ap, adev, adev->dma_mode); @@ -310,7 +310,7 @@ static void optiplus_set_dma_mode(struct ata_port *ap, struct ata_device *adev) * Turn the ATA device setup into PCI configuration bits * for register 0x43 and return the two bits needed. */ - + static u8 optidma_make_bits43(struct ata_device *adev) { static const u8 bits43[5] = { @@ -330,17 +330,17 @@ static u8 optidma_make_bits43(struct ata_device *adev) * Finalise the configuration by writing the nibble of extra bits * of data into the chip. */ - + static void optidma_post_set_mode(struct ata_port *ap) { u8 r; int nybble = 4 * ap->port_no; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - + pci_read_config_byte(pdev, 0x43, &r); - + r &= (0x0F << nybble); - r |= (optidma_make_bits43(&ap->device[0]) + + r |= (optidma_make_bits43(&ap->device[0]) + (optidma_make_bits43(&ap->device[0]) << 2)) << nybble; pci_write_config_byte(pdev, 0x43, r); @@ -438,19 +438,19 @@ static struct ata_port_operations optiplus_port_ops = { * optiplus_with_udma - Look for UDMA capable setup * @pdev; ATA controller */ - + static int optiplus_with_udma(struct pci_dev *pdev) { u8 r; int ret = 0; int ioport = 0x22; struct pci_dev *dev1; - + /* Find function 1 */ dev1 = pci_get_device(0x1045, 0xC701, NULL); if(dev1 == NULL) return 0; - + /* Rev must be >= 0x10 */ pci_read_config_byte(dev1, 0x08, &r); if (r < 0x10) @@ -470,7 +470,7 @@ static int optiplus_with_udma(struct pci_dev *pdev) pci_read_config_byte(dev1, 0x52, &r); if (r & 0x80) /* IDEDIR disabled */ ret = 1; -done: +done: printk(KERN_WARNING "UDMA not supported in this configuration.\n"); done_nomsg: /* Wrong chip revision */ pci_dev_put(dev1); @@ -505,7 +505,7 @@ static int optidma_init_one(struct pci_dev *dev, const struct pci_device_id *id) inw(0x1F1); inw(0x1F1); pci_clock = inb(0x1F5) & 1; /* 0 = 33Mhz, 1 = 25Mhz */ - + if (optiplus_with_udma(dev)) info = &info_82c700_udma; |