Manuel Bouyer rescinded clauses 3 and 4 of his license text.

Add support for the (non-pci) NCR 53c720/770 in big-endian mode.

ok martin@, krw@, deraadt@

Comment out tekram_sync_table and only degine {,dt_}scf_period[] for
siop_common.c; shaves half a KB.

Remove some trailing whitespace in license. From perry via NetBSD.
Note we are now sync'd up to latest (r1.16) NetBSD source.

convert __attribute__((__packed__)) to __packed so that parsers unaware
of gcc extensions have more of a chance.
ok mcbride@, no objections from millert@, deraadt@

typos from Tom Cosgrove;

Tom: I did not commit a couple of your changes.

i did not include some punctuation fixes (full stops, etc.)
mnemorable -> mnemonic: i decided memorable was probably better

typos from Tom Cosgrove;

Tom: I did not commit a couple of your changes.

i did not include some punctuation fixes (full stops, etc.)
mnemorable -> mnemonic: i decided memorable was probably better
instrunctions -> instruction: i kept the plural

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be consistant on Hz vs hz

Resync siop with NetBSD. Make strong effort to minimize
differences, undoing whitespace, spelling, etc. changes
and adopting the NetBSD code instead of equivalent home
grown code for PPR negotiation,

Resync siop with NetBSD. Make strong effort to minimize
differences, undoing whitespace, spelling, etc. changes
and adopting the NetBSD code instead of equivalent home
grown code for PPR negotiation, etc.

siop.c 1.21 -> 1.64
siop_common.c 1.12 -> 1.30
siopreg.h 1.7 -> 1.13
siopvar.h 1.13 -> 1.18
siopvar_common.h 1.10 -> 1.21
ncr53cxxx.c 1.5 -> 1.10
siop.ss 1.12 -> 1.17
siop_pci.c 1.8 -> 1.11
siop_pci_common.c 1.6 -> 1.17
siop_pci_common.h 1.2 -> 1.4

Many fixes, add 1010-66 support, restructure things to prepare for
addition of esiop, osiop and oosiop drivers.

tested on various archs by art@, millert@, wilfried@, jason@,
Dan Weeks.

ok deraadt@.

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Revert change to using sc_link in calls to siop_print_info().

sc_link->device_softc not necessarily available for devices like cd's
that don't issue SCSI commands after INQUIRY during probe, leaving

Revert change to using sc_link in calls to siop_print_info().

sc_link->device_softc not necessarily available for devices like cd's
that don't issue SCSI commands after INQUIRY during probe, leaving
negotiation triggering to next LUN. Spotted by Nikolay Sturm.

Fixing this is not worth the effort and added complexity for a
cosmetic improvement.

Keep code cleanups done at the same time, and add a typo fix
(destiation -> destination).

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Support U160 on 53c1010 chips.

Add support for PPR negotiations and DT transfers,
and the preservation and restoration of the
SCNTL4 register which controls Ultra3 transfers.

Redo sync lookup, sinc

Support U160 on 53c1010 chips.

Add support for PPR negotiations and DT transfers,
and the preservation and restoration of the
SCNTL4 register which controls Ultra3 transfers.

Redo sync lookup, since the same period factor
can mean two things depending on whether you are
using DT or ST. Keep a minimum allowed ST period
factor, and a minimum allowd DT period factor for
each adapter.

Currently NO support for QAS or IUS or AIP.

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First support for 53c1010 chip. This enables support up to U2W for
either or both channels on the 53c1010. U3W/U160 support coming.

The particulars of 53c1010 support was derived from the FreeBSD/Li

First support for 53c1010 chip. This enables support up to U2W for
either or both channels on the 53c1010. U3W/U160 support coming.

The particulars of 53c1010 support was derived from the FreeBSD/Linux
sym-2 driver under development by Gerard ROUDIER (groudier@FreeBSD.org).

This first support ensures that registers and bits now reserved are
not used by the 53c1010. It uses the new DFBC register to obtain
DMA FIFO relics.

A single new feature (SF_CHIP_C10) was added, rather than a new
feature for each change the 53c1010 incorporates.

These changes were sufficient to get the imbedded 53c1010 on a Tyan
S2510U3NG board to support installation of OpenBSD to a Quantum Atlas
10K2 drive, and several subsequent 'make build' and 'make release'
cycles using disks on both channels, with and without
softupdates.

More 53c1010 specific code is yet to be extracted from sym-2,
including the changes necessary to enable U160.

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Import siop, a replacement for the ncr SCSI driver, from NetBSD.

Written for NetBSD by Manuel Bouyer.

Tested with various cards on i386 and alpha.

Outstanding issue: doesn't work with PowerPC yet.