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authorOndrej Zary <linux@rainbow-software.org>2015-11-17 19:24:28 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-25 22:08:55 -0500
commit4190230edbbe8864f04610900249db3738e2f51c (patch)
tree9bd384acf345e7ac2a5425776e1f8ce023e208f1 /drivers/scsi/atp870u.c
parentecc6ff95d1a84f0a025112e071be40dd905a5168 (diff)
downloadlinux-4190230edbbe8864f04610900249db3738e2f51c.tar.bz2
atp870u: Introduce atp870_init()
Move 870-specific init code to a separate function atp870_init() Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Reviewed-by: Hannes Reinicke <hare@suse.de> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/atp870u.c')
-rw-r--r--drivers/scsi/atp870u.c104
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);