Skip to content

L
linux
Commit ea41ed60 authored by Ondrej Zary's avatar Ondrej Zary Committed by Martin K. Petersen
Browse files
Options

atp870u: Untangle tmport #4 

Untangle the tmport crap so it becomes obvious what ports are accessed.
Signed-off-by: default avatarOndrej Zary <linux@rainbow-software.org>
Reviewed-by: default avatarHannes Reinicke <hare@suse.de>
Acked-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 1940ed62
Hide whitespace changes
Inline Side-by-side
Showing with 138 additions and 232 deletions
drivers/scsi/atp870u.c
View file @ ea41ed60
......@@ -1207,7 +1207,6 @@ static void tscam(struct Scsi_Host *host)
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 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
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 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
}
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 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
}
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 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
}
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 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
}
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 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
}
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 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
}
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 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
}
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 @@ static void is870(struct atp_unit *dev, unsigned int wkport)
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)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7