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atp870u: Untangle tmport #6

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Untangle the tmport crap so it becomes obvious what ports are accessed.

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>
This commit is contained in:
Ondrej Zary 2015-11-17 19:23:44 +01:00 committed by Martin K. Petersen
parent 3b30acf6a8
commit 493c520193
1 changed files with 49 additions and 87 deletions
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136
drivers/scsi/atp870u.c
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@ -2264,7 +2264,7 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
unsigned char k, m, c;
unsigned long flags;
unsigned int base_io, tmport, error,n;
unsigned int base_io, error,n;
unsigned char host_id;
struct Scsi_Host *shpnt = NULL;
struct atp_unit *atpdev, *p;
@ -2322,12 +2322,9 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
atpdev->dev_id = ent->device;
atpdev->host_id[0] = host_id;
tmport = base_io + 0x22;
atpdev->scam_on = inb(tmport);
tmport += 0x13;
atpdev->global_map[0] = inb(tmport);
tmport += 0x07;
atpdev->ultra_map[0] = inw(tmport);
atpdev->scam_on = inb(base_io + 0x22);
atpdev->global_map[0] = inb(base_io + 0x35);
atpdev->ultra_map[0] = inw(base_io + 0x3c);
n = 0x3f09;
next_fblk_880:
@ -2402,37 +2399,26 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
spin_lock_irqsave(shpnt->host_lock, flags);
tmport = base_io + 0x38;
k = inb(tmport) & 0x80;
outb(k, tmport);
tmport += 0x03;
outb(0x20, tmport);
k = inb(base_io + 0x38) & 0x80;
outb(k, base_io + 0x38);
outb(0x20, base_io + 0x3b);
mdelay(32);
outb(0, tmport);
outb(0, base_io + 0x3b);
mdelay(32);
tmport = base_io + 0x5b;
inb(tmport);
tmport -= 0x04;
inb(tmport);
tmport = base_io + 0x40;
outb((host_id | 0x08), tmport);
tmport += 0x18;
outb(0, tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0)
inb(base_io + 0x5b);
inb(base_io + 0x57);
outb((host_id | 0x08), base_io + 0x40);
outb(0, base_io + 0x58);
while ((inb(base_io + 0x5f) & 0x80) == 0)
mdelay(1);
tmport -= 0x08;
inb(tmport);
tmport = base_io + 0x41;
outb(8, tmport++);
outb(0x7f, tmport);
tmport = base_io + 0x51;
outb(0x20, tmport);
inb(base_io + 0x57);
outb(8, base_io + 0x41);
outb(0x7f, base_io + 0x42);
outb(0x20, base_io + 0x51);
tscam(shpnt);
is880(p, base_io);
tmport = base_io + 0x38;
outb(0xb0, tmport);
outb(0xb0, base_io + 0x38);
shpnt->max_id = 16;
shpnt->this_id = host_id;
shpnt->unique_id = base_io;
@ -2546,47 +2532,35 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
inb(base_io + 0x97);
inb(base_io + 0xdb);
inb(base_io + 0xd7);
tmport = base_io + 0x80;
k=p->host_id[0];
if (k > 7)
k = (k & 0x07) | 0x40;
k |= 0x08;
outb(k, tmport);
tmport += 0x18;
outb(0, tmport);
tmport += 0x07;
outb(k, base_io + 0x80);
outb(0, base_io + 0x98);
while ((inb(tmport) & 0x80) == 0)
while ((inb(base_io + 0x9f) & 0x80) == 0)
cpu_relax();
tmport -= 0x08;
inb(tmport);
tmport = base_io + 0x81;
outb(8, tmport++);
outb(0x7f, tmport);
tmport = base_io + 0x91;
outb(0x20, tmport);
inb(base_io + 0x97);
outb(8, base_io + 0x81);
outb(0x7f, base_io + 0x82);
outb(0x20, base_io + 0x91);
tmport = base_io + 0xc0;
k=p->host_id[1];
if (k > 7)
k = (k & 0x07) | 0x40;
k |= 0x08;
outb(k, tmport);
tmport += 0x18;
outb(0, tmport);
tmport += 0x07;
outb(k, base_io + 0xc0);
outb(0, base_io + 0xd8);
while ((inb(tmport) & 0x80) == 0)
while ((inb(base_io + 0xdf) & 0x80) == 0)
cpu_relax();
tmport -= 0x08;
inb(tmport);
tmport = base_io + 0xc1;
outb(8, tmport++);
outb(0x7f, tmport);
tmport = base_io + 0xd1;
outb(0x20, tmport);
inb(base_io + 0xd7);
outb(8, base_io + 0xc1);
outb(0x7f, base_io + 0xc2);
outb(0x20, base_io + 0xd1);
tscam_885();
printk(KERN_INFO " Scanning Channel A SCSI Device ...\n");
@ -2624,11 +2598,9 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
atpdev->dev_id = ent->device;
host_id &= 0x07;
atpdev->host_id[0] = host_id;
tmport = base_io + 0x22;
atpdev->scam_on = inb(tmport);
tmport += 0x0b;
atpdev->global_map[0] = inb(tmport++);
atpdev->ultra_map[0] = inw(tmport);
atpdev->scam_on = inb(base_io + 0x22);
atpdev->global_map[0] = inb(base_io + 0x2d);
atpdev->ultra_map[0] = inw(base_io + 0x2e);
if (atpdev->ultra_map[0] == 0) {
atpdev->scam_on = 0x00;
@ -2656,39 +2628,29 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
spin_lock_irqsave(shpnt->host_lock, flags);
if (atpdev->chip_ver > 0x07) { /* check if atp876 chip then enable terminator */
tmport = base_io + 0x3e;
outb(0x00, tmport);
outb(0x00, base_io + 0x3e);
}
tmport = base_io + 0x3a;
k = (inb(tmport) & 0xf3) | 0x10;
outb(k, tmport);
outb((k & 0xdf), tmport);
k = (inb(base_io + 0x3a) & 0xf3) | 0x10;
outb(k, base_io + 0x3a);
outb((k & 0xdf), base_io + 0x3a);
mdelay(32);
outb(k, tmport);
outb(k, base_io + 0x3a);
mdelay(32);
tmport = base_io;
outb((host_id | 0x08), tmport);
tmport += 0x18;
outb(0, tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0)
outb((host_id | 0x08), base_io + 0);
outb(0, base_io + 0x18);
while ((inb(base_io + 0x1f) & 0x80) == 0)
mdelay(1);
tmport -= 0x08;
inb(tmport);
tmport = base_io + 1;
outb(8, tmport++);
outb(0x7f, tmport);
tmport = base_io + 0x11;
outb(0x20, tmport);
inb(base_io + 0x17);
outb(8, base_io + 1);
outb(0x7f, base_io + 2);
outb(0x20, base_io + 0x11);
tscam(shpnt);
is870(p, base_io);
tmport = base_io + 0x3a;
outb((inb(tmport) & 0xef), tmport);
tmport++;
outb((inb(tmport) | 0x20), tmport);
outb((inb(base_io + 0x3a) & 0xef), base_io + 0x3a);
outb((inb(base_io + 0x3b) | 0x20), base_io + 0x3b);
if (atpdev->chip_ver == 4)
shpnt->max_id = 16;
else