diff options
Diffstat (limited to 'drivers/scsi/atp870u.c')
| -rw-r--r-- | drivers/scsi/atp870u.c | 104 |
1 files changed, 54 insertions, 50 deletions
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index 584b90f46212..8b52a9dbb9cf 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -1249,6 +1249,57 @@ static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id) atp_writeb_io(atp, c, 0x11, 0x20); } +static void atp870_init(struct Scsi_Host *shpnt) +{ + struct atp_unit *atpdev = shost_priv(shpnt); + struct pci_dev *pdev = atpdev->pdev; + unsigned char k, host_id; + u8 scam_on; + bool wide_chip = + (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7610 && + pdev->revision == 4) || + (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) || + (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW); + + pci_read_config_byte(pdev, 0x49, &host_id); + + dev_info(&pdev->dev, "ACARD AEC-671X PCI Ultra/W SCSI-2/3 Host Adapter: IO:%lx, IRQ:%d.\n", + shpnt->io_port, shpnt->irq); + + atpdev->ioport[0] = shpnt->io_port; + atpdev->pciport[0] = shpnt->io_port + 0x20; + host_id &= 0x07; + atpdev->host_id[0] = host_id; + scam_on = atp_readb_pci(atpdev, 0, 2); + atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d); + atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e); + + if (atpdev->ultra_map[0] == 0) { + scam_on = 0x00; + atpdev->global_map[0] = 0x20; + atpdev->ultra_map[0] = 0xffff; + } + + if (pdev->revision > 0x07) /* check if atp876 chip */ + atp_writeb_base(atpdev, 0x3e, 0x00); /* enable terminator */ + + k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10; + atp_writeb_base(atpdev, 0x3a, k); + atp_writeb_base(atpdev, 0x3a, k & 0xdf); + mdelay(32); + atp_writeb_base(atpdev, 0x3a, k); + mdelay(32); + atp_set_host_id(atpdev, 0, host_id); + + tscam(shpnt, wide_chip, scam_on); + atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10); + atp_is(atpdev, 0, wide_chip, 0); + atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef); + atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20); + shpnt->max_id = wide_chip ? 16 : 8; + shpnt->this_id = host_id; +} + static void atp880_init(struct Scsi_Host *shpnt) { struct atp_unit *atpdev = shost_priv(shpnt); @@ -1445,9 +1496,6 @@ static void atp885_init(struct Scsi_Host *shpnt) /* return non-zero on detection */ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - unsigned char k; - unsigned int error; - unsigned char host_id; struct Scsi_Host *shpnt = NULL; struct atp_unit *atpdev; int err; @@ -1500,53 +1548,9 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) atp880_init(shpnt); else if (is885(atpdev)) atp885_init(shpnt); - else { - u8 scam_on; - bool wide_chip = - (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && - pdev->revision == 4) || - (ent->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) || - (ent->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW); - error = pci_read_config_byte(pdev, 0x49, &host_id); - - printk(KERN_INFO " ACARD AEC-671X PCI Ultra/W SCSI-2/3 Host Adapter: " - "IO:%lx, IRQ:%d.\n", shpnt->io_port, shpnt->irq); - - atpdev->ioport[0] = shpnt->io_port; - atpdev->pciport[0] = shpnt->io_port + 0x20; - host_id &= 0x07; - atpdev->host_id[0] = host_id; - scam_on = atp_readb_pci(atpdev, 0, 2); - atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d); - atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e); - - if (atpdev->ultra_map[0] == 0) { - scam_on = 0x00; - atpdev->global_map[0] = 0x20; - atpdev->ultra_map[0] = 0xffff; - } - - if (pdev->revision > 0x07) /* check if atp876 chip then enable terminator */ - atp_writeb_base(atpdev, 0x3e, 0x00); - - k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10; - atp_writeb_base(atpdev, 0x3a, k); - atp_writeb_base(atpdev, 0x3a, k & 0xdf); - mdelay(32); - atp_writeb_base(atpdev, 0x3a, k); - mdelay(32); - atp_set_host_id(atpdev, 0, host_id); - - - tscam(shpnt, wide_chip, scam_on); - atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10); - atp_is(atpdev, 0, wide_chip, 0); - atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef); - atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20); - shpnt->max_id = wide_chip ? 16 : 8; - shpnt->this_id = host_id; - - } + else + atp870_init(shpnt); + err = request_irq(shpnt->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt); if (err) { dev_err(&pdev->dev, "Unable to allocate IRQ %d.\n", shpnt->irq); |