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authorOndrej Zary <linux@rainbow-software.org>2015-11-17 21:23:42 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-26 06:08:29 +0300
commitea41ed600b261fec87820c1aa2455942dcfa1ce7 (patch)
treeca9b3d35e1da95be8ded4259dab27f33f418fcd8 /drivers/scsi/atp870u.c
parent1940ed62f9ca6d0b1f4c10afef3960f4f8a7d327 (diff)
downloadlinux-ea41ed600b261fec87820c1aa2455942dcfa1ce7.tar.xz
atp870u: Untangle tmport #4
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>
Diffstat (limited to 'drivers/scsi/atp870u.c')
-rw-r--r--drivers/scsi/atp870u.c370
1 files changed, 138 insertions, 232 deletions
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index a23f38717d90..3e3a68b2738d 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -1207,7 +1207,6 @@ G2Q_QUIN: /* k=binID#, */
static void is870(struct atp_unit *dev, unsigned int wkport)
{
- unsigned int tmport;
unsigned char i, j, k, rmb, n;
unsigned short int m;
static unsigned char mbuf[512];
@@ -1218,8 +1217,7 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 };
static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 };
- tmport = wkport + 0x3a;
- outb((unsigned char) (inb(tmport) | 0x10), tmport);
+ outb((unsigned char) (inb(wkport + 0x3a) | 0x10), wkport + 0x3a);
for (i = 0; i < 16; i++) {
if ((dev->chip_ver != 4) && (i > 7)) {
@@ -1234,135 +1232,105 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[0]);
continue;
}
- tmport = wkport + 0x1b;
if (dev->chip_ver == 4) {
- outb(0x01, tmport);
+ outb(0x01, wkport + 0x1b);
} else {
- outb(0x00, tmport);
- }
- tmport = wkport + 1;
- outb(0x08, tmport++);
- outb(0x7f, tmport++);
- outb(satn[0], tmport++);
- outb(satn[1], tmport++);
- outb(satn[2], tmport++);
- outb(satn[3], tmport++);
- outb(satn[4], tmport++);
- outb(satn[5], tmport++);
- tmport += 0x06;
- outb(0, tmport);
- tmport += 0x02;
- outb(dev->id[0][i].devsp, tmport++);
- outb(0, tmport++);
- outb(satn[6], tmport++);
- outb(satn[7], tmport++);
+ outb(0x00, wkport + 0x1b);
+ }
+ outb(0x08, wkport + 1);
+ outb(0x7f, wkport + 2);
+ outb(satn[0], wkport + 3);
+ outb(satn[1], wkport + 4);
+ outb(satn[2], wkport + 5);
+ outb(satn[3], wkport + 6);
+ outb(satn[4], wkport + 7);
+ outb(satn[5], wkport + 8);
+ outb(0, wkport + 0x0f);
+ outb(dev->id[0][i].devsp, wkport + 0x11);
+ outb(0, wkport + 0x12);
+ outb(satn[6], wkport + 0x13);
+ outb(satn[7], wkport + 0x14);
j = i;
if ((j & 0x08) != 0) {
j = (j & 0x07) | 0x40;
}
- outb(j, tmport);
- tmport += 0x03;
- outb(satn[8], tmport);
- tmport += 0x07;
+ outb(j, wkport + 0x15);
+ outb(satn[8], wkport + 0x18);
- while ((inb(tmport) & 0x80) == 0x00)
+ while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax();
- tmport -= 0x08;
- if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
+ if (inb(wkport + 0x17) != 0x11 && inb(wkport + 0x17) != 0x8e)
continue;
- while (inb(tmport) != 0x8e)
+ while (inb(wkport + 0x17) != 0x8e)
cpu_relax();
dev->active_id[0] |= m;
- tmport = wkport + 0x10;
- outb(0x30, tmport);
- tmport = wkport + 0x04;
- outb(0x00, tmport);
+ outb(0x30, wkport + 0x10);
+ outb(0x00, wkport + 0x04);
phase_cmd:
- tmport = wkport + 0x18;
- outb(0x08, tmport);
- tmport += 0x07;
- while ((inb(tmport) & 0x80) == 0x00)
+ outb(0x08, wkport + 0x18);
+ while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax();
- tmport -= 0x08;
- j = inb(tmport);
+ j = inb(wkport + 0x17);
if (j != 0x16) {
- tmport = wkport + 0x10;
- outb(0x41, tmport);
+ outb(0x41, wkport + 0x10);
goto phase_cmd;
}
sel_ok:
- tmport = wkport + 3;
- outb(inqd[0], tmport++);
- outb(inqd[1], tmport++);
- outb(inqd[2], tmport++);
- outb(inqd[3], tmport++);
- outb(inqd[4], tmport++);
- outb(inqd[5], tmport);
- tmport += 0x07;
- outb(0, tmport);
- tmport += 0x02;
- outb(dev->id[0][i].devsp, tmport++);
- outb(0, tmport++);
- outb(inqd[6], tmport++);
- outb(inqd[7], tmport++);
- tmport += 0x03;
- outb(inqd[8], tmport);
- tmport += 0x07;
-
- while ((inb(tmport) & 0x80) == 0x00)
+ outb(inqd[0], wkport + 3);
+ outb(inqd[1], wkport + 4);
+ outb(inqd[2], wkport + 5);
+ outb(inqd[3], wkport + 6);
+ outb(inqd[4], wkport + 7);
+ outb(inqd[5], wkport + 8);
+ outb(0, wkport + 0x0f);
+ outb(dev->id[0][i].devsp, wkport + 0x11);
+ outb(0, wkport + 0x12);
+ outb(inqd[6], wkport + 0x13);
+ outb(inqd[7], wkport + 0x14);
+ outb(inqd[8], wkport + 0x18);
+
+ while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax();
- tmport -= 0x08;
- if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
+ if (inb(wkport + 0x17) != 0x11 && inb(wkport + 0x17) != 0x8e)
continue;
- while (inb(tmport) != 0x8e)
+ while (inb(wkport + 0x17) != 0x8e)
cpu_relax();
- tmport = wkport + 0x1b;
if (dev->chip_ver == 4)
- outb(0x00, tmport);
+ outb(0x00, wkport + 0x1b);
- tmport = wkport + 0x18;
- outb(0x08, tmport);
- tmport += 0x07;
+ outb(0x08, wkport + 0x18);
j = 0;
rd_inq_data:
- k = inb(tmport);
+ k = inb(wkport + 0x1f);
if ((k & 0x01) != 0) {
- tmport -= 0x06;
- mbuf[j++] = inb(tmport);
- tmport += 0x06;
+ mbuf[j++] = inb(wkport + 0x19);
goto rd_inq_data;
}
if ((k & 0x80) == 0) {
goto rd_inq_data;
}
- tmport -= 0x08;
- j = inb(tmport);
+ j = inb(wkport + 0x17);
if (j == 0x16) {
goto inq_ok;
}
- tmport = wkport + 0x10;
- outb(0x46, tmport);
- tmport += 0x02;
- outb(0, tmport++);
- outb(0, tmport++);
- outb(0, tmport++);
- tmport += 0x03;
- outb(0x08, tmport);
- tmport += 0x07;
+ outb(0x46, wkport + 0x10);
+ outb(0, wkport + 0x12);
+ outb(0, wkport + 0x13);
+ outb(0, wkport + 0x14);
+ outb(0x08, wkport + 0x18);
- while ((inb(tmport) & 0x80) == 0x00)
+ while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax();
- tmport -= 0x08;
- if (inb(tmport) != 0x16) {
+ if (inb(wkport + 0x17) != 0x16) {
goto sel_ok;
}
inq_ok:
@@ -1380,57 +1348,43 @@ inq_ok:
if ((dev->global_map[0] & 0x20) == 0) {
goto not_wide;
}
- tmport = wkport + 0x1b;
- outb(0x01, tmport);
- tmport = wkport + 3;
- outb(satn[0], tmport++);
- outb(satn[1], tmport++);
- outb(satn[2], tmport++);
- outb(satn[3], tmport++);
- outb(satn[4], tmport++);
- outb(satn[5], tmport++);
- tmport += 0x06;
- outb(0, tmport);
- tmport += 0x02;
- outb(dev->id[0][i].devsp, tmport++);
- outb(0, tmport++);
- outb(satn[6], tmport++);
- outb(satn[7], tmport++);
- tmport += 0x03;
- outb(satn[8], tmport);
- tmport += 0x07;
-
- while ((inb(tmport) & 0x80) == 0x00)
+ outb(0x01, wkport + 0x1b);
+ outb(satn[0], wkport + 3);
+ outb(satn[1], wkport + 4);
+ outb(satn[2], wkport + 5);
+ outb(satn[3], wkport + 6);
+ outb(satn[4], wkport + 7);
+ outb(satn[5], wkport + 8);
+ outb(0, wkport + 0x0f);
+ outb(dev->id[0][i].devsp, wkport + 0x11);
+ outb(0, wkport + 0x12);
+ outb(satn[6], wkport + 0x13);
+ outb(satn[7], wkport + 0x14);
+ outb(satn[8], wkport + 0x18);
+
+ while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax();
- tmport -= 0x08;
- if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
+ if (inb(wkport + 0x17) != 0x11 && inb(wkport + 0x17) != 0x8e)
continue;
- while (inb(tmport) != 0x8e)
+ while (inb(wkport + 0x17) != 0x8e)
cpu_relax();
try_wide:
j = 0;
- tmport = wkport + 0x14;
- outb(0x05, tmport);
- tmport += 0x04;
- outb(0x20, tmport);
- tmport += 0x07;
+ outb(0x05, wkport + 0x14);
+ outb(0x20, wkport + 0x18);
- while ((inb(tmport) & 0x80) == 0) {
- if ((inb(tmport) & 0x01) != 0) {
- tmport -= 0x06;
- outb(wide[j++], tmport);
- tmport += 0x06;
- }
+ while ((inb(wkport + 0x1f) & 0x80) == 0) {
+ if ((inb(wkport + 0x1f) & 0x01) != 0)
+ outb(wide[j++], wkport + 0x19);
}
- tmport -= 0x08;
- while ((inb(tmport) & 0x80) == 0x00)
+ while ((inb(wkport + 0x17) & 0x80) == 0x00)
cpu_relax();
- j = inb(tmport) & 0x0f;
+ j = inb(wkport + 0x17) & 0x0f;
if (j == 0x0f) {
goto widep_in;
}
@@ -1442,18 +1396,12 @@ try_wide:
}
continue;
widep_out:
- tmport = wkport + 0x18;
- outb(0x20, tmport);
- tmport += 0x07;
- while ((inb(tmport) & 0x80) == 0) {
- if ((inb(tmport) & 0x01) != 0) {
- tmport -= 0x06;
- outb(0, tmport);
- tmport += 0x06;
- }
+ outb(0x20, wkport + 0x18);
+ while ((inb(wkport + 0x1f) & 0x80) == 0) {
+ if ((inb(wkport + 0x1f) & 0x01) != 0)
+ outb(0, wkport + 0x19);
}
- tmport -= 0x08;
- j = inb(tmport) & 0x0f;
+ j = inb(wkport + 0x17) & 0x0f;
if (j == 0x0f) {
goto widep_in;
}
@@ -1465,25 +1413,19 @@ widep_out:
}
continue;
widep_in:
- tmport = wkport + 0x14;
- outb(0xff, tmport);
- tmport += 0x04;
- outb(0x20, tmport);
- tmport += 0x07;
+ outb(0xff, wkport + 0x14);
+ outb(0x20, wkport + 0x18);
k = 0;
widep_in1:
- j = inb(tmport);
+ j = inb(wkport + 0x1f);
if ((j & 0x01) != 0) {
- tmport -= 0x06;
- mbuf[k++] = inb(tmport);
- tmport += 0x06;
+ mbuf[k++] = inb(wkport + 0x19);
goto widep_in1;
}
if ((j & 0x80) == 0x00) {
goto widep_in1;
}
- tmport -= 0x08;
- j = inb(tmport) & 0x0f;
+ j = inb(wkport + 0x17) & 0x0f;
if (j == 0x0f) {
goto widep_in;
}
@@ -1495,19 +1437,14 @@ widep_in1:
}
continue;
widep_cmd:
- tmport = wkport + 0x10;
- outb(0x30, tmport);
- tmport = wkport + 0x14;
- outb(0x00, tmport);
- tmport += 0x04;
- outb(0x08, tmport);
- tmport += 0x07;
+ outb(0x30, wkport + 0x10);
+ outb(0x00, wkport + 0x14);
+ outb(0x08, wkport + 0x18);
- while ((inb(tmport) & 0x80) == 0x00)
+ while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax();
- tmport -= 0x08;
- j = inb(tmport);
+ j = inb(wkport + 0x17);
if (j != 0x16) {
if (j == 0x4e) {
goto widep_out;
@@ -1535,69 +1472,56 @@ not_wide:
}
continue;
set_sync:
- tmport = wkport + 0x1b;
j = 0;
if ((m & dev->wide_id[0]) != 0) {
j |= 0x01;
}
- outb(j, tmport);
- tmport = wkport + 3;
- outb(satn[0], tmport++);
- outb(satn[1], tmport++);
- outb(satn[2], tmport++);
- outb(satn[3], tmport++);
- outb(satn[4], tmport++);
- outb(satn[5], tmport++);
- tmport += 0x06;
- outb(0, tmport);
- tmport += 0x02;
- outb(dev->id[0][i].devsp, tmport++);
- outb(0, tmport++);
- outb(satn[6], tmport++);
- outb(satn[7], tmport++);
- tmport += 0x03;
- outb(satn[8], tmport);
- tmport += 0x07;
-
- while ((inb(tmport) & 0x80) == 0x00)
+ outb(j, wkport + 0x1b);
+ outb(satn[0], wkport + 3);
+ outb(satn[1], wkport + 4);
+ outb(satn[2], wkport + 5);
+ outb(satn[3], wkport + 6);
+ outb(satn[4], wkport + 7);
+ outb(satn[5], wkport + 8);
+ outb(0, wkport + 0x0f);
+ outb(dev->id[0][i].devsp, wkport + 0x11);
+ outb(0, wkport + 0x12);
+ outb(satn[6], wkport + 0x13);
+ outb(satn[7], wkport + 0x14);
+ outb(satn[8], wkport + 0x18);
+
+ while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax();
- tmport -= 0x08;
- if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
+ if (inb(wkport + 0x17) != 0x11 && inb(wkport + 0x17) != 0x8e)
continue;
- while (inb(tmport) != 0x8e)
+ while (inb(wkport + 0x17) != 0x8e)
cpu_relax();
try_sync:
j = 0;
- tmport = wkport + 0x14;
- outb(0x06, tmport);
- tmport += 0x04;
- outb(0x20, tmport);
- tmport += 0x07;
+ outb(0x06, wkport + 0x14);
+ outb(0x20, wkport + 0x18);
- while ((inb(tmport) & 0x80) == 0) {
- if ((inb(tmport) & 0x01) != 0) {
- tmport -= 0x06;
+ while ((inb(wkport + 0x1f) & 0x80) == 0) {
+ if ((inb(wkport + 0x1f) & 0x01) != 0) {
if ((m & dev->wide_id[0]) != 0) {
- outb(synw[j++], tmport);
+ outb(synw[j++], wkport + 0x19);
} else {
if ((m & dev->ultra_map[0]) != 0) {
- outb(synu[j++], tmport);
+ outb(synu[j++], wkport + 0x19);
} else {
- outb(synn[j++], tmport);
+ outb(synn[j++], wkport + 0x19);
}
}
- tmport += 0x06;
}
}
- tmport -= 0x08;
- while ((inb(tmport) & 0x80) == 0x00)
+ while ((inb(wkport + 0x17) & 0x80) == 0x00)
cpu_relax();
- j = inb(tmport) & 0x0f;
+ j = inb(wkport + 0x17) & 0x0f;
if (j == 0x0f) {
goto phase_ins;
}
@@ -1609,18 +1533,12 @@ try_sync:
}
continue;
phase_outs:
- tmport = wkport + 0x18;
- outb(0x20, tmport);
- tmport += 0x07;
- while ((inb(tmport) & 0x80) == 0x00) {
- if ((inb(tmport) & 0x01) != 0x00) {
- tmport -= 0x06;
- outb(0x00, tmport);
- tmport += 0x06;
- }
+ outb(0x20, wkport + 0x18);
+ while ((inb(wkport + 0x1f) & 0x80) == 0x00) {
+ if ((inb(wkport + 0x1f) & 0x01) != 0x00)
+ outb(0x00, wkport + 0x19);
}
- tmport -= 0x08;
- j = inb(tmport);
+ j = inb(wkport + 0x17);
if (j == 0x85) {
goto tar_dcons;
}
@@ -1636,29 +1554,23 @@ phase_outs:
}
continue;
phase_ins:
- tmport = wkport + 0x14;
- outb(0xff, tmport);
- tmport += 0x04;
- outb(0x20, tmport);
- tmport += 0x07;
+ outb(0xff, wkport + 0x14);
+ outb(0x20, wkport + 0x18);
k = 0;
phase_ins1:
- j = inb(tmport);
+ j = inb(wkport + 0x1f);
if ((j & 0x01) != 0x00) {
- tmport -= 0x06;
- mbuf[k++] = inb(tmport);
- tmport += 0x06;
+ mbuf[k++] = inb(wkport + 0x19);
goto phase_ins1;
}
if ((j & 0x80) == 0x00) {
goto phase_ins1;
}
- tmport -= 0x08;
- while ((inb(tmport) & 0x80) == 0x00)
+ while ((inb(wkport + 0x17) & 0x80) == 0x00)
cpu_relax();
- j = inb(tmport);
+ j = inb(wkport + 0x17);
if (j == 0x85) {
goto tar_dcons;
}
@@ -1674,20 +1586,15 @@ phase_ins1:
}
continue;
phase_cmds:
- tmport = wkport + 0x10;
- outb(0x30, tmport);
+ outb(0x30, wkport + 0x10);
tar_dcons:
- tmport = wkport + 0x14;
- outb(0x00, tmport);
- tmport += 0x04;
- outb(0x08, tmport);
- tmport += 0x07;
+ outb(0x00, wkport + 0x14);
+ outb(0x08, wkport + 0x18);
- while ((inb(tmport) & 0x80) == 0x00)
+ while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax();
- tmport -= 0x08;
- j = inb(tmport);
+ j = inb(wkport + 0x17);
if (j != 0x16) {
continue;
}
@@ -1727,8 +1634,7 @@ tar_dcons:
set_syn_ok:
dev->id[0][i].devsp = (dev->id[0][i].devsp & 0x0f) | j;
}
- tmport = wkport + 0x3a;
- outb((unsigned char) (inb(tmport) & 0xef), tmport);
+ outb((unsigned char) (inb(wkport + 0x3a) & 0xef), wkport + 0x3a);
}
static void is880(struct atp_unit *dev, unsigned int wkport)