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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>
This commit is contained in:
Ondrej Zary 2015-11-17 19:23:42 +01:00 committed by Martin K. Petersen
parent 1940ed62f9
commit ea41ed600b
1 changed files with 134 additions and 228 deletions
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362
drivers/scsi/atp870u.c
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@ -1207,7 +1207,6 @@ G2Q_QUIN: /* k=binID#, */
static void is870(struct atp_unit *dev, unsigned int wkport) static void is870(struct atp_unit *dev, unsigned int wkport)
{ {
unsigned int tmport;
unsigned char i, j, k, rmb, n; unsigned char i, j, k, rmb, n;
unsigned short int m; unsigned short int m;
static unsigned char mbuf[512]; 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 synw[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 };
static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 }; static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 };
tmport = wkport + 0x3a; outb((unsigned char) (inb(wkport + 0x3a) | 0x10), wkport + 0x3a);
outb((unsigned char) (inb(tmport) | 0x10), tmport);
for (i = 0; i < 16; i++) { for (i = 0; i < 16; i++) {
if ((dev->chip_ver != 4) && (i > 7)) { 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]); printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[0]);
continue; continue;
} }
tmport = wkport + 0x1b;
if (dev->chip_ver == 4) { if (dev->chip_ver == 4) {
outb(0x01, tmport); outb(0x01, wkport + 0x1b);
} else { } else {
outb(0x00, tmport); outb(0x00, wkport + 0x1b);
} }
tmport = wkport + 1; outb(0x08, wkport + 1);
outb(0x08, tmport++); outb(0x7f, wkport + 2);
outb(0x7f, tmport++); outb(satn[0], wkport + 3);
outb(satn[0], tmport++); outb(satn[1], wkport + 4);
outb(satn[1], tmport++); outb(satn[2], wkport + 5);
outb(satn[2], tmport++); outb(satn[3], wkport + 6);
outb(satn[3], tmport++); outb(satn[4], wkport + 7);
outb(satn[4], tmport++); outb(satn[5], wkport + 8);
outb(satn[5], tmport++); outb(0, wkport + 0x0f);
tmport += 0x06; outb(dev->id[0][i].devsp, wkport + 0x11);
outb(0, tmport); outb(0, wkport + 0x12);
tmport += 0x02; outb(satn[6], wkport + 0x13);
outb(dev->id[0][i].devsp, tmport++); outb(satn[7], wkport + 0x14);
outb(0, tmport++);
outb(satn[6], tmport++);
outb(satn[7], tmport++);
j = i; j = i;
if ((j & 0x08) != 0) { if ((j & 0x08) != 0) {
j = (j & 0x07) | 0x40; j = (j & 0x07) | 0x40;
} }
outb(j, tmport); outb(j, wkport + 0x15);
tmport += 0x03; outb(satn[8], wkport + 0x18);
outb(satn[8], tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0x00) while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
tmport -= 0x08; if (inb(wkport + 0x17) != 0x11 && inb(wkport + 0x17) != 0x8e)
if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
continue; continue;
while (inb(tmport) != 0x8e) while (inb(wkport + 0x17) != 0x8e)
cpu_relax(); cpu_relax();
dev->active_id[0] |= m; dev->active_id[0] |= m;
tmport = wkport + 0x10; outb(0x30, wkport + 0x10);
outb(0x30, tmport); outb(0x00, wkport + 0x04);
tmport = wkport + 0x04;
outb(0x00, tmport);
phase_cmd: phase_cmd:
tmport = wkport + 0x18; outb(0x08, wkport + 0x18);
outb(0x08, tmport); while ((inb(wkport + 0x1f) & 0x80) == 0x00)
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
tmport -= 0x08; j = inb(wkport + 0x17);
j = inb(tmport);
if (j != 0x16) { if (j != 0x16) {
tmport = wkport + 0x10; outb(0x41, wkport + 0x10);
outb(0x41, tmport);
goto phase_cmd; goto phase_cmd;
} }
sel_ok: sel_ok:
tmport = wkport + 3; outb(inqd[0], wkport + 3);
outb(inqd[0], tmport++); outb(inqd[1], wkport + 4);
outb(inqd[1], tmport++); outb(inqd[2], wkport + 5);
outb(inqd[2], tmport++); outb(inqd[3], wkport + 6);
outb(inqd[3], tmport++); outb(inqd[4], wkport + 7);
outb(inqd[4], tmport++); outb(inqd[5], wkport + 8);
outb(inqd[5], tmport); outb(0, wkport + 0x0f);
tmport += 0x07; outb(dev->id[0][i].devsp, wkport + 0x11);
outb(0, tmport); outb(0, wkport + 0x12);
tmport += 0x02; outb(inqd[6], wkport + 0x13);
outb(dev->id[0][i].devsp, tmport++); outb(inqd[7], wkport + 0x14);
outb(0, tmport++); outb(inqd[8], wkport + 0x18);
outb(inqd[6], tmport++);
outb(inqd[7], tmport++);
tmport += 0x03;
outb(inqd[8], tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0x00) while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
tmport -= 0x08; if (inb(wkport + 0x17) != 0x11 && inb(wkport + 0x17) != 0x8e)
if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
continue; continue;
while (inb(tmport) != 0x8e) while (inb(wkport + 0x17) != 0x8e)
cpu_relax(); cpu_relax();
tmport = wkport + 0x1b;
if (dev->chip_ver == 4) if (dev->chip_ver == 4)
outb(0x00, tmport); outb(0x00, wkport + 0x1b);
tmport = wkport + 0x18; outb(0x08, wkport + 0x18);
outb(0x08, tmport);
tmport += 0x07;
j = 0; j = 0;
rd_inq_data: rd_inq_data:
k = inb(tmport); k = inb(wkport + 0x1f);
if ((k & 0x01) != 0) { if ((k & 0x01) != 0) {
tmport -= 0x06; mbuf[j++] = inb(wkport + 0x19);
mbuf[j++] = inb(tmport);
tmport += 0x06;
goto rd_inq_data; goto rd_inq_data;
} }
if ((k & 0x80) == 0) { if ((k & 0x80) == 0) {
goto rd_inq_data; goto rd_inq_data;
} }
tmport -= 0x08; j = inb(wkport + 0x17);
j = inb(tmport);
if (j == 0x16) { if (j == 0x16) {
goto inq_ok; goto inq_ok;
} }
tmport = wkport + 0x10; outb(0x46, wkport + 0x10);
outb(0x46, tmport); outb(0, wkport + 0x12);
tmport += 0x02; outb(0, wkport + 0x13);
outb(0, tmport++); outb(0, wkport + 0x14);
outb(0, tmport++); outb(0x08, wkport + 0x18);
outb(0, tmport++);
tmport += 0x03;
outb(0x08, tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0x00) while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
tmport -= 0x08; if (inb(wkport + 0x17) != 0x16) {
if (inb(tmport) != 0x16) {
goto sel_ok; goto sel_ok;
} }
inq_ok: inq_ok:
@ -1380,57 +1348,43 @@ inq_ok:
if ((dev->global_map[0] & 0x20) == 0) { if ((dev->global_map[0] & 0x20) == 0) {
goto not_wide; goto not_wide;
} }
tmport = wkport + 0x1b; outb(0x01, wkport + 0x1b);
outb(0x01, tmport); outb(satn[0], wkport + 3);
tmport = wkport + 3; outb(satn[1], wkport + 4);
outb(satn[0], tmport++); outb(satn[2], wkport + 5);
outb(satn[1], tmport++); outb(satn[3], wkport + 6);
outb(satn[2], tmport++); outb(satn[4], wkport + 7);
outb(satn[3], tmport++); outb(satn[5], wkport + 8);
outb(satn[4], tmport++); outb(0, wkport + 0x0f);
outb(satn[5], tmport++); outb(dev->id[0][i].devsp, wkport + 0x11);
tmport += 0x06; outb(0, wkport + 0x12);
outb(0, tmport); outb(satn[6], wkport + 0x13);
tmport += 0x02; outb(satn[7], wkport + 0x14);
outb(dev->id[0][i].devsp, tmport++); outb(satn[8], wkport + 0x18);
outb(0, tmport++);
outb(satn[6], tmport++);
outb(satn[7], tmport++);
tmport += 0x03;
outb(satn[8], tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0x00) while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
tmport -= 0x08; if (inb(wkport + 0x17) != 0x11 && inb(wkport + 0x17) != 0x8e)
if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
continue; continue;
while (inb(tmport) != 0x8e) while (inb(wkport + 0x17) != 0x8e)
cpu_relax(); cpu_relax();
try_wide: try_wide:
j = 0; j = 0;
tmport = wkport + 0x14; outb(0x05, wkport + 0x14);
outb(0x05, tmport); outb(0x20, wkport + 0x18);
tmport += 0x04;
outb(0x20, tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0) { while ((inb(wkport + 0x1f) & 0x80) == 0) {
if ((inb(tmport) & 0x01) != 0) { if ((inb(wkport + 0x1f) & 0x01) != 0)
tmport -= 0x06; outb(wide[j++], wkport + 0x19);
outb(wide[j++], tmport);
tmport += 0x06;
} }
}
tmport -= 0x08;
while ((inb(tmport) & 0x80) == 0x00) while ((inb(wkport + 0x17) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
j = inb(tmport) & 0x0f; j = inb(wkport + 0x17) & 0x0f;
if (j == 0x0f) { if (j == 0x0f) {
goto widep_in; goto widep_in;
} }
@ -1442,18 +1396,12 @@ try_wide:
} }
continue; continue;
widep_out: widep_out:
tmport = wkport + 0x18; outb(0x20, wkport + 0x18);
outb(0x20, tmport); while ((inb(wkport + 0x1f) & 0x80) == 0) {
tmport += 0x07; if ((inb(wkport + 0x1f) & 0x01) != 0)
while ((inb(tmport) & 0x80) == 0) { outb(0, wkport + 0x19);
if ((inb(tmport) & 0x01) != 0) {
tmport -= 0x06;
outb(0, tmport);
tmport += 0x06;
} }
} j = inb(wkport + 0x17) & 0x0f;
tmport -= 0x08;
j = inb(tmport) & 0x0f;
if (j == 0x0f) { if (j == 0x0f) {
goto widep_in; goto widep_in;
} }
@ -1465,25 +1413,19 @@ widep_out:
} }
continue; continue;
widep_in: widep_in:
tmport = wkport + 0x14; outb(0xff, wkport + 0x14);
outb(0xff, tmport); outb(0x20, wkport + 0x18);
tmport += 0x04;
outb(0x20, tmport);
tmport += 0x07;
k = 0; k = 0;
widep_in1: widep_in1:
j = inb(tmport); j = inb(wkport + 0x1f);
if ((j & 0x01) != 0) { if ((j & 0x01) != 0) {
tmport -= 0x06; mbuf[k++] = inb(wkport + 0x19);
mbuf[k++] = inb(tmport);
tmport += 0x06;
goto widep_in1; goto widep_in1;
} }
if ((j & 0x80) == 0x00) { if ((j & 0x80) == 0x00) {
goto widep_in1; goto widep_in1;
} }
tmport -= 0x08; j = inb(wkport + 0x17) & 0x0f;
j = inb(tmport) & 0x0f;
if (j == 0x0f) { if (j == 0x0f) {
goto widep_in; goto widep_in;
} }
@ -1495,19 +1437,14 @@ widep_in1:
} }
continue; continue;
widep_cmd: widep_cmd:
tmport = wkport + 0x10; outb(0x30, wkport + 0x10);
outb(0x30, tmport); outb(0x00, wkport + 0x14);
tmport = wkport + 0x14; outb(0x08, wkport + 0x18);
outb(0x00, tmport);
tmport += 0x04;
outb(0x08, tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0x00) while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
tmport -= 0x08; j = inb(wkport + 0x17);
j = inb(tmport);
if (j != 0x16) { if (j != 0x16) {
if (j == 0x4e) { if (j == 0x4e) {
goto widep_out; goto widep_out;
@ -1535,69 +1472,56 @@ not_wide:
} }
continue; continue;
set_sync: set_sync:
tmport = wkport + 0x1b;
j = 0; j = 0;
if ((m & dev->wide_id[0]) != 0) { if ((m & dev->wide_id[0]) != 0) {
j |= 0x01; j |= 0x01;
} }
outb(j, tmport); outb(j, wkport + 0x1b);
tmport = wkport + 3; outb(satn[0], wkport + 3);
outb(satn[0], tmport++); outb(satn[1], wkport + 4);
outb(satn[1], tmport++); outb(satn[2], wkport + 5);
outb(satn[2], tmport++); outb(satn[3], wkport + 6);
outb(satn[3], tmport++); outb(satn[4], wkport + 7);
outb(satn[4], tmport++); outb(satn[5], wkport + 8);
outb(satn[5], tmport++); outb(0, wkport + 0x0f);
tmport += 0x06; outb(dev->id[0][i].devsp, wkport + 0x11);
outb(0, tmport); outb(0, wkport + 0x12);
tmport += 0x02; outb(satn[6], wkport + 0x13);
outb(dev->id[0][i].devsp, tmport++); outb(satn[7], wkport + 0x14);
outb(0, tmport++); outb(satn[8], wkport + 0x18);
outb(satn[6], tmport++);
outb(satn[7], tmport++);
tmport += 0x03;
outb(satn[8], tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0x00) while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
tmport -= 0x08; if (inb(wkport + 0x17) != 0x11 && inb(wkport + 0x17) != 0x8e)
if (inb(tmport) != 0x11 && inb(tmport) != 0x8e)
continue; continue;
while (inb(tmport) != 0x8e) while (inb(wkport + 0x17) != 0x8e)
cpu_relax(); cpu_relax();
try_sync: try_sync:
j = 0; j = 0;
tmport = wkport + 0x14; outb(0x06, wkport + 0x14);
outb(0x06, tmport); outb(0x20, wkport + 0x18);
tmport += 0x04;
outb(0x20, tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0) { while ((inb(wkport + 0x1f) & 0x80) == 0) {
if ((inb(tmport) & 0x01) != 0) { if ((inb(wkport + 0x1f) & 0x01) != 0) {
tmport -= 0x06;
if ((m & dev->wide_id[0]) != 0) { if ((m & dev->wide_id[0]) != 0) {
outb(synw[j++], tmport); outb(synw[j++], wkport + 0x19);
} else { } else {
if ((m & dev->ultra_map[0]) != 0) { if ((m & dev->ultra_map[0]) != 0) {
outb(synu[j++], tmport); outb(synu[j++], wkport + 0x19);
} else { } 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(); cpu_relax();
j = inb(tmport) & 0x0f; j = inb(wkport + 0x17) & 0x0f;
if (j == 0x0f) { if (j == 0x0f) {
goto phase_ins; goto phase_ins;
} }
@ -1609,18 +1533,12 @@ try_sync:
} }
continue; continue;
phase_outs: phase_outs:
tmport = wkport + 0x18; outb(0x20, wkport + 0x18);
outb(0x20, tmport); while ((inb(wkport + 0x1f) & 0x80) == 0x00) {
tmport += 0x07; if ((inb(wkport + 0x1f) & 0x01) != 0x00)
while ((inb(tmport) & 0x80) == 0x00) { outb(0x00, wkport + 0x19);
if ((inb(tmport) & 0x01) != 0x00) {
tmport -= 0x06;
outb(0x00, tmport);
tmport += 0x06;
} }
} j = inb(wkport + 0x17);
tmport -= 0x08;
j = inb(tmport);
if (j == 0x85) { if (j == 0x85) {
goto tar_dcons; goto tar_dcons;
} }
@ -1636,29 +1554,23 @@ phase_outs:
} }
continue; continue;
phase_ins: phase_ins:
tmport = wkport + 0x14; outb(0xff, wkport + 0x14);
outb(0xff, tmport); outb(0x20, wkport + 0x18);
tmport += 0x04;
outb(0x20, tmport);
tmport += 0x07;
k = 0; k = 0;
phase_ins1: phase_ins1:
j = inb(tmport); j = inb(wkport + 0x1f);
if ((j & 0x01) != 0x00) { if ((j & 0x01) != 0x00) {
tmport -= 0x06; mbuf[k++] = inb(wkport + 0x19);
mbuf[k++] = inb(tmport);
tmport += 0x06;
goto phase_ins1; goto phase_ins1;
} }
if ((j & 0x80) == 0x00) { if ((j & 0x80) == 0x00) {
goto phase_ins1; goto phase_ins1;
} }
tmport -= 0x08;
while ((inb(tmport) & 0x80) == 0x00) while ((inb(wkport + 0x17) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
j = inb(tmport); j = inb(wkport + 0x17);
if (j == 0x85) { if (j == 0x85) {
goto tar_dcons; goto tar_dcons;
} }
@ -1674,20 +1586,15 @@ phase_ins1:
} }
continue; continue;
phase_cmds: phase_cmds:
tmport = wkport + 0x10; outb(0x30, wkport + 0x10);
outb(0x30, tmport);
tar_dcons: tar_dcons:
tmport = wkport + 0x14; outb(0x00, wkport + 0x14);
outb(0x00, tmport); outb(0x08, wkport + 0x18);
tmport += 0x04;
outb(0x08, tmport);
tmport += 0x07;
while ((inb(tmport) & 0x80) == 0x00) while ((inb(wkport + 0x1f) & 0x80) == 0x00)
cpu_relax(); cpu_relax();
tmport -= 0x08; j = inb(wkport + 0x17);
j = inb(tmport);
if (j != 0x16) { if (j != 0x16) {
continue; continue;
} }
@ -1727,8 +1634,7 @@ tar_dcons:
set_syn_ok: set_syn_ok:
dev->id[0][i].devsp = (dev->id[0][i].devsp & 0x0f) | j; dev->id[0][i].devsp = (dev->id[0][i].devsp & 0x0f) | j;
} }
tmport = wkport + 0x3a; outb((unsigned char) (inb(wkport + 0x3a) & 0xef), wkport + 0x3a);
outb((unsigned char) (inb(tmport) & 0xef), tmport);
} }
static void is880(struct atp_unit *dev, unsigned int wkport) static void is880(struct atp_unit *dev, unsigned int wkport)