From: Ondrej Zary <linux@rainbow-software.org>
To: linux-scsi@vger.kernel.org
Subject: [PATCH 05/34] atp870u: Untangle tmport #3
Date: Sun, 3 May 2015 19:31:21 +0200 [thread overview]
Message-ID: <1430674310-11576-6-git-send-email-linux@rainbow-software.org> (raw)
In-Reply-To: <1430674310-11576-1-git-send-email-linux@rainbow-software.org>
Untangle the tmport crap so it becomes obvious what ports are accessed.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
---
drivers/scsi/atp870u.c | 118 ++++++++++++++++++++----------------------------
1 file changed, 49 insertions(+), 69 deletions(-)
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 0ef1538..65dd004 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -933,38 +933,36 @@ oktosend:
static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val)
{
- unsigned int tmport;
unsigned short int i, k;
unsigned char j;
- tmport = dev->ioport[0] + 0x1c;
- outw(*val, tmport);
+ outw(*val, dev->ioport[0] + 0x1c);
FUN_D7:
for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
- k = inw(tmport);
+ k = inw(dev->ioport[0] + 0x1c);
j = (unsigned char) (k >> 8);
if ((k & 0x8000) != 0) { /* DB7 all release? */
goto FUN_D7;
}
}
*val |= 0x4000; /* assert DB6 */
- outw(*val, tmport);
+ outw(*val, dev->ioport[0] + 0x1c);
*val &= 0xdfff; /* assert DB5 */
- outw(*val, tmport);
+ outw(*val, dev->ioport[0] + 0x1c);
FUN_D5:
for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
- if ((inw(tmport) & 0x2000) != 0) { /* DB5 all release? */
+ if ((inw(dev->ioport[0] + 0x1c) & 0x2000) != 0) { /* DB5 all release? */
goto FUN_D5;
}
}
*val |= 0x8000; /* no DB4-0, assert DB7 */
*val &= 0xe0ff;
- outw(*val, tmport);
+ outw(*val, dev->ioport[0] + 0x1c);
*val &= 0xbfff; /* release DB6 */
- outw(*val, tmport);
+ outw(*val, dev->ioport[0] + 0x1c);
FUN_D6:
for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
- if ((inw(tmport) & 0x4000) != 0) { /* DB6 all release? */
+ if ((inw(dev->ioport[0] + 0x1c) & 0x4000) != 0) { /* DB6 all release? */
goto FUN_D6;
}
}
@@ -975,7 +973,6 @@ FUN_D6:
static void tscam(struct Scsi_Host *host)
{
- unsigned int tmport;
unsigned char i, j, k;
unsigned long n;
unsigned short int m, assignid_map, val;
@@ -992,11 +989,9 @@ static void tscam(struct Scsi_Host *host)
}
*/
- tmport = dev->ioport[0] + 1;
- outb(0x08, tmport++);
- outb(0x7f, tmport);
- tmport = dev->ioport[0] + 0x11;
- outb(0x20, tmport);
+ outb(0x08, dev->ioport[0] + 1);
+ outb(0x7f, dev->ioport[0] + 2);
+ outb(0x20, dev->ioport[0] + 0x11);
if ((dev->scam_on & 0x40) == 0) {
return;
@@ -1009,14 +1004,13 @@ static void tscam(struct Scsi_Host *host)
j = 8;
}
assignid_map = m;
- tmport = dev->ioport[0] + 0x02;
- outb(0x02, tmport++); /* 2*2=4ms,3EH 2/32*3E=3.9ms */
- outb(0, tmport++);
- outb(0, tmport++);
- outb(0, tmport++);
- outb(0, tmport++);
- outb(0, tmport++);
- outb(0, tmport++);
+ outb(0x02, dev->ioport[0] + 0x02); /* 2*2=4ms,3EH 2/32*3E=3.9ms */
+ outb(0, dev->ioport[0] + 0x03);
+ outb(0, dev->ioport[0] + 0x04);
+ outb(0, dev->ioport[0] + 0x05);
+ outb(0, dev->ioport[0] + 0x06);
+ outb(0, dev->ioport[0] + 0x07);
+ outb(0, dev->ioport[0] + 0x08);
for (i = 0; i < j; i++) {
m = 1;
@@ -1024,79 +1018,69 @@ static void tscam(struct Scsi_Host *host)
if ((m & assignid_map) != 0) {
continue;
}
- tmport = dev->ioport[0] + 0x0f;
- outb(0, tmport++);
- tmport += 0x02;
- outb(0, tmport++);
- outb(0, tmport++);
- outb(0, tmport++);
+ outb(0, dev->ioport[0] + 0x0f);
+ outb(0, dev->ioport[0] + 0x12);
+ outb(0, dev->ioport[0] + 0x13);
+ outb(0, dev->ioport[0] + 0x14);
if (i > 7) {
k = (i & 0x07) | 0x40;
} else {
k = i;
}
- outb(k, tmport++);
- tmport = dev->ioport[0] + 0x1b;
+ outb(k, dev->ioport[0] + 0x15);
if (dev->chip_ver == 4) {
- outb(0x01, tmport);
+ outb(0x01, dev->ioport[0] + 0x1b);
} else {
- outb(0x00, tmport);
+ outb(0x00, dev->ioport[0] + 0x1b);
}
wait_rdyok:
- tmport = dev->ioport[0] + 0x18;
- outb(0x09, tmport);
- tmport += 0x07;
+ outb(0x09, dev->ioport[0] + 0x18);
- while ((inb(tmport) & 0x80) == 0x00)
+ while ((inb(dev->ioport[0] + 0x1f) & 0x80) == 0x00)
cpu_relax();
- tmport -= 0x08;
- k = inb(tmport);
+ k = inb(dev->ioport[0] + 0x17);
if (k != 0x16) {
if ((k == 0x85) || (k == 0x42)) {
continue;
}
- tmport = dev->ioport[0] + 0x10;
- outb(0x41, tmport);
+ outb(0x41, dev->ioport[0] + 0x10);
goto wait_rdyok;
}
assignid_map |= m;
}
- tmport = dev->ioport[0] + 0x02;
- outb(0x7f, tmport);
- tmport = dev->ioport[0] + 0x1b;
- outb(0x02, tmport);
+ outb(0x7f, dev->ioport[0] + 0x02);
+ outb(0x02, dev->ioport[0] + 0x1b);
outb(0, 0x80);
val = 0x0080; /* bsy */
- tmport = dev->ioport[0] + 0x1c;
- outw(val, tmport);
+ outw(val, dev->ioport[0] + 0x1c);
val |= 0x0040; /* sel */
- outw(val, tmport);
+ outw(val, dev->ioport[0] + 0x1c);
val |= 0x0004; /* msg */
- outw(val, tmport);
+ outw(val, dev->ioport[0] + 0x1c);
inb(0x80); /* 2 deskew delay(45ns*2=90ns) */
val &= 0x007f; /* no bsy */
- outw(val, tmport);
+ outw(val, dev->ioport[0] + 0x1c);
mdelay(128);
val &= 0x00fb; /* after 1ms no msg */
- outw(val, tmport);
+ outw(val, dev->ioport[0] + 0x1c);
wait_nomsg:
- if ((inb(tmport) & 0x04) != 0) {
+ if ((inb(dev->ioport[0] + 0x1c) & 0x04) != 0) {
goto wait_nomsg;
}
outb(1, 0x80);
udelay(100);
for (n = 0; n < 0x30000; n++) {
- if ((inb(tmport) & 0x80) != 0) { /* bsy ? */
+ if ((inb(dev->ioport[0] + 0x1c) & 0x80) != 0) { /* bsy ? */
goto wait_io;
}
}
goto TCM_SYNC;
wait_io:
for (n = 0; n < 0x30000; n++) {
- if ((inb(tmport) & 0x81) == 0x0081) {
+ if ((inb(dev->ioport[0] + 0x1c) & 0x81) == 0x0081) {
goto wait_io1;
}
}
@@ -1104,10 +1088,10 @@ wait_io:
wait_io1:
inb(0x80);
val |= 0x8003; /* io,cd,db7 */
- outw(val, tmport);
+ outw(val, dev->ioport[0] + 0x1c);
inb(0x80);
val &= 0x00bf; /* no sel */
- outw(val, tmport);
+ outw(val, dev->ioport[0] + 0x1c);
outb(2, 0x80);
TCM_SYNC:
/*
@@ -1120,18 +1104,14 @@ TCM_SYNC:
*/
mdelay(2);
udelay(48);
- if ((inb(tmport) & 0x80) == 0x00) { /* bsy ? */
- outw(0, tmport--);
- outb(0, tmport);
- tmport = dev->ioport[0] + 0x15;
- outb(0, tmport);
- tmport += 0x03;
- outb(0x09, tmport);
- tmport += 0x07;
- while ((inb(tmport) & 0x80) == 0)
+ if ((inb(dev->ioport[0] + 0x1c) & 0x80) == 0x00) { /* bsy ? */
+ outw(0, dev->ioport[0] + 0x1c);
+ outb(0, dev->ioport[0] + 0x1b);
+ outb(0, dev->ioport[0] + 0x15);
+ outb(0x09, dev->ioport[0] + 0x18);
+ while ((inb(dev->ioport[0] + 0x1f) & 0x80) == 0)
cpu_relax();
- tmport -= 0x08;
- inb(tmport);
+ inb(dev->ioport[0] + 0x17);
return;
}
val &= 0x00ff; /* synchronization */
@@ -1145,7 +1125,7 @@ TCM_SYNC:
i = 8;
j = 0;
TCM_ID:
- if ((inw(tmport) & 0x2000) == 0) {
+ if ((inw(dev->ioport[0] + 0x1c) & 0x2000) == 0) {
goto TCM_ID;
}
outb(5, 0x80);
--
Ondrej Zary
next prev parent reply other threads:[~2015-05-03 17:32 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-03 17:31 [RFC PATCH 00/34] atp870u: Remove the first level of crap Ondrej Zary
2015-05-03 17:31 ` [PATCH 01/34] atp870u: Remove workport Ondrej Zary
2015-05-03 17:31 ` [PATCH 02/34] atp870u: Remove tmport1 Ondrej Zary
2015-05-03 17:31 ` [PATCH 03/34] atp870u: Untangle tmport Ondrej Zary
2015-05-03 17:31 ` [PATCH 04/34] atp870u: Untangle tmport #2 Ondrej Zary
2015-05-03 17:31 ` Ondrej Zary [this message]
2015-05-03 17:31 ` [PATCH 06/34] atp870u: Untangle tmport #4 Ondrej Zary
2015-05-03 17:31 ` [PATCH 07/34] atp870u: Untangle tmport #5 Ondrej Zary
2015-05-03 17:31 ` [PATCH 08/34] atp870u: Untangle tmport #6 Ondrej Zary
2015-05-03 17:31 ` [PATCH 09/34] atp870u: Untangle tmport #7 Ondrej Zary
2015-05-03 17:31 ` [PATCH 10/34] atp870u: Untangle tmport #8 Ondrej Zary
2015-05-03 17:31 ` [PATCH 11/34] atp870u: Untangle tmpcip Ondrej Zary
2015-05-03 17:31 ` [PATCH 12/34] atp870u: Untangle tmpcip #2 Ondrej Zary
2015-05-03 17:31 ` [PATCH 13/34] atp870u: Remove ugly gotos Ondrej Zary
2015-05-03 17:31 ` [PATCH 14/34] atp870u: Remove ugly gotos #2 Ondrej Zary
2015-05-03 17:31 ` [PATCH 15/34] atp870u: Remove ugly gotos #3 Ondrej Zary
2015-05-03 17:31 ` [PATCH 16/34] atp870u: Remove ugly gotos #4 Ondrej Zary
2015-05-03 17:31 ` [PATCH 17/34] atp870u: Remove ugly gotos #5 Ondrej Zary
2015-05-03 17:31 ` [PATCH 18/34] atp870u: Introduce HW access wrappers Ondrej Zary
2015-05-03 17:31 ` [PATCH 19/34] atp870u: Convert is870() to use wrappers Ondrej Zary
2015-05-03 17:31 ` [PATCH 20/34] atp870u: Convert is880() " Ondrej Zary
2015-05-03 17:31 ` [PATCH 21/34] atp870u: Convert is885() " Ondrej Zary
2015-05-03 17:31 ` [PATCH 22/34] atp870u: Unify code format in is870(), is880() and is885() Ondrej Zary
2015-05-03 17:31 ` [PATCH 23/34] atp870u: Add channel parameter to is870() and is880() Ondrej Zary
2015-05-03 17:31 ` [PATCH 24/34] atp870u: Move chip-specific lines out of is880() and is885() Ondrej Zary
2015-05-03 17:31 ` [PATCH 25/34] atp870u: Remove is880() Ondrej Zary
2015-05-03 17:31 ` [PATCH 26/34] atp870u: Add wide_chip parameter to is870() and is885() Ondrej Zary
2015-05-03 17:31 ` [PATCH 27/34] atp870u: Add remaining 870 support to is885() Ondrej Zary
2015-05-03 17:31 ` [PATCH 28/34] atp870u: Move 870-specific code out of is870() Ondrej Zary
2015-05-03 17:31 ` [PATCH 29/34] atp870u: Remove is870() Ondrej Zary
2015-05-03 17:31 ` [PATCH 30/34] atp870u: Rename is885() to atp_is() Ondrej Zary
2015-05-03 17:31 ` [PATCH 31/34] atp870u: Convert remaining in[bwl] and out[bwl] to wrappers Ondrej Zary
2015-05-03 17:31 ` [PATCH 32/34] atp870u: Replace port 0x80 delay by udelay Ondrej Zary
2015-05-03 17:31 ` [PATCH 33/34] atp870u: Fix incorrect writeb_io access to register 0x3a Ondrej Zary
2015-05-03 17:31 ` [PATCH 34/34] atp870u: Introduce atp_set_host_id Ondrej Zary
2015-05-11 9:06 ` [RFC PATCH 00/34] atp870u: Remove the first level of crap Christoph Hellwig
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1430674310-11576-6-git-send-email-linux@rainbow-software.org \
--to=linux@rainbow-software.org \
--cc=linux-scsi@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).