diff options
Diffstat (limited to 'drivers/ide/pci/sgiioc4.c')
| -rw-r--r-- | drivers/ide/pci/sgiioc4.c | 69 |
1 files changed, 41 insertions, 28 deletions
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index c79ff5b41088..681306c9d79b 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -127,7 +127,7 @@ sgiioc4_checkirq(ide_hwif_t * hwif) return 0; } -static u8 sgiioc4_INB(unsigned long); +static u8 sgiioc4_read_status(ide_hwif_t *); static int sgiioc4_clearirq(ide_drive_t * drive) @@ -141,18 +141,19 @@ sgiioc4_clearirq(ide_drive_t * drive) intr_reg = readl((void __iomem *)other_ir); if (intr_reg & 0x03) { /* Valid IOC4-IDE interrupt */ /* - * Using sgiioc4_INB to read the Status register has a side - * effect of clearing the interrupt. The first read should + * Using sgiioc4_read_status to read the Status register has a + * side effect of clearing the interrupt. The first read should * clear it if it is set. The second read should return * a "clear" status if it got cleared. If not, then spin * for a bit trying to clear it. */ - u8 stat = sgiioc4_INB(io_ports->status_addr); + u8 stat = sgiioc4_read_status(hwif); int count = 0; - stat = sgiioc4_INB(io_ports->status_addr); + + stat = sgiioc4_read_status(hwif); while ((stat & 0x80) && (count++ < 100)) { udelay(1); - stat = sgiioc4_INB(io_ports->status_addr); + stat = sgiioc4_read_status(hwif); } if (intr_reg & 0x02) { @@ -304,9 +305,9 @@ sgiioc4_dma_lost_irq(ide_drive_t * drive) ide_dma_lost_irq(drive); } -static u8 -sgiioc4_INB(unsigned long port) +static u8 sgiioc4_read_status(ide_hwif_t *hwif) { + unsigned long port = hwif->io_ports.status_addr; u8 reg = (u8) readb((void __iomem *) port); if ((port & 0xFFF) == 0x11C) { /* Status register of IOC4 */ @@ -549,6 +550,21 @@ static int sgiioc4_dma_setup(ide_drive_t *drive) return 0; } +static const struct ide_tp_ops sgiioc4_tp_ops = { + .exec_command = ide_exec_command, + .read_status = sgiioc4_read_status, + .read_altstatus = ide_read_altstatus, + .read_sff_dma_status = ide_read_sff_dma_status, + + .set_irq = ide_set_irq, + + .tf_load = ide_tf_load, + .tf_read = ide_tf_read, + + .input_data = ide_input_data, + .output_data = ide_output_data, +}; + static const struct ide_port_ops sgiioc4_port_ops = { .set_dma_mode = sgiioc4_set_dma_mode, /* reset DMA engine, clear IRQs */ @@ -571,6 +587,7 @@ static const struct ide_port_info sgiioc4_port_info __devinitdata = { .name = DRV_NAME, .chipset = ide_pci, .init_dma = ide_dma_sgiioc4, + .tp_ops = &sgiioc4_tp_ops, .port_ops = &sgiioc4_port_ops, .dma_ops = &sgiioc4_dma_ops, .host_flags = IDE_HFLAG_MMIO, @@ -583,10 +600,10 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) unsigned long cmd_base, irqport; unsigned long bar0, cmd_phys_base, ctl; void __iomem *virt_base; - ide_hwif_t *hwif; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - hw_regs_t hw; + struct ide_host *host; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; struct ide_port_info d = sgiioc4_port_info; + int rc; /* Get the CmdBlk and CtrlBlk Base Registers */ bar0 = pci_resource_start(dev, 0); @@ -604,9 +621,9 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) if (!request_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE, DRV_NAME)) { printk(KERN_ERR - "%s : %s -- ERROR, Addresses " + "%s %s: -- ERROR, Addresses " "0x%p to 0x%p ALREADY in use\n", - __func__, DRV_NAME, (void *) cmd_phys_base, + DRV_NAME, pci_name(dev), (void *)cmd_phys_base, (void *) cmd_phys_base + IOC4_CMD_CTL_BLK_SIZE); return -ENOMEM; } @@ -618,30 +635,26 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) hw.chipset = ide_pci; hw.dev = &dev->dev; - hwif = ide_find_port_slot(&d); - if (hwif == NULL) - goto err; - - ide_init_port_hw(hwif, &hw); - - /* The IOC4 uses MMIO rather than Port IO. */ - default_hwif_mmiops(hwif); - /* Initializing chipset IRQ Registers */ writel(0x03, (void __iomem *)(irqport + IOC4_INTR_SET * 4)); - hwif->INB = &sgiioc4_INB; - - idx[0] = hwif->index; + host = ide_host_alloc(&d, hws); + if (host == NULL) { + rc = -ENOMEM; + goto err; + } - if (ide_device_add(idx, &d)) - return -EIO; + rc = ide_host_register(host, &d, hws); + if (rc) + goto err_free; return 0; +err_free: + ide_host_free(host); err: release_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE); iounmap(virt_base); - return -ENOMEM; + return rc; } static unsigned int __devinit |