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History log of /src/sys/arch/x68k/dev/mfp.c
RevisionDateAuthorComments
 1.32  06-Jan-2024  isaki x68k: Make _delay() argument to microseconds.
'<< 8' is just a magnification factor and should not be visible
from the outside.
 1.31  06-Jan-2024  isaki Remove a duplicated extern declaration.
 1.30  20-Dec-2023  thorpej Remove unnecessary <sys/malloc.h> include.
 1.29  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.28  24-Apr-2021  thorpej branches: 1.28.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).
 1.27  15-Dec-2019  tsutsui branches: 1.27.10;
Remove clause 3 and 4 leftovers from TNF licenses in more sources.

Confirmed by martin@ in PR/54760.
 1.26  26-Mar-2014  christos branches: 1.26.30; 1.26.34;
kill sprintf, fix unused.
 1.25  05-May-2011  tsutsui branches: 1.25.4; 1.25.14; 1.25.18;
Add a comment for the previous change.
 1.24  04-May-2011  tsutsui Don't call mfp_init() in mfp_attach().
It's already called from early mfp_config_console() via config_console()
and reinitializing MFP could sometimes cause silent hang.
 1.23  17-Jan-2009  isaki branches: 1.23.6; 1.23.8;
Split device_t/softc, use aprint*().
 1.22  17-Jan-2009  isaki Purge x68k_config_found() to simplify consinit routine.
config_console() calls initialization of grf, ite, mfp
directly, instead of tracing special device tree with an
emulated 'struct device'.
 1.21  31-Dec-2008  isaki Search all of mfp(4)'s children automatically, instead of
attaching hard-coded children. mfp(4) was trying to attach
pow(4) though pow(4) was a pseudo-device for a long time.
 1.20  18-Dec-2008  isaki Remove intr_reset(), which has disabled device interrupt just
after start in locore.s. Initializing interrupt should be done
by each device driver.
 1.19  11-Mar-2007  isaki branches: 1.19.38; 1.19.42; 1.19.50;
white space, indent and KNF.
 1.18  11-Mar-2007  isaki Remove an extra white space.
 1.17  24-Dec-2005  perry branches: 1.17.26; 1.17.30;
bare asm -> __asm
 1.16  11-Dec-2005  christos merge ktrace-lwp.
 1.15  13-Jun-2005  he branches: 1.15.2;
Make this compile by adding __UNCONST() when calling config_found() or
similar functions with a text constant as the second argument.
 1.14  18-Jan-2005  chs de-__P, remove register, ansify.
 1.13  17-Jan-2005  minoura mfp_attach() is called twice (console init & real config).
 1.12  13-Dec-2004  chs branches: 1.12.2;
for drivers that support only one instance, use a global variable to ensure
that only one instance is configured rather than requiring that its
unit number be zero.
 1.11  04-Jan-2004  wiz Spell controller with two ls. Inspired by miod@openbsd.
 1.10  15-Jul-2003  lukem rcsid
 1.9  02-Oct-2002  thorpej branches: 1.9.6;
Add trailing ; to CFATTACH_DECL.
 1.8  01-Oct-2002  thorpej Use CFATTACH_DECL().
 1.7  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.6  12-Jun-2001  wiz branches: 1.6.2; 1.6.8;
receive, not recieve
 1.5  16-Jan-2000  minoura branches: 1.5.6;
Minor cleanups & corrections.
 1.4  05-May-1999  minoura branches: 1.4.2;
Use mvme68k-derived delay routine.
Now that we support various models, the old constant-loop delay routine
may cause problems.
 1.3  18-Mar-1999  minoura branches: 1.3.2; 1.3.4; 1.3.6;
G/C.
 1.2  16-Mar-1999  minoura Merged minoura_x68k_bus_h branch.
 1.1  23-Dec-1998  minoura branches: 1.1.2;
file mfp.c was initially added on branch minoura_x68k_bus_h.
 1.1.2.4  13-Feb-1999  minoura Handle INTIOCF_ADDR_DEFAULT case.
 1.1.2.3  27-Dec-1998  minoura Better address map handling.
 1.1.2.2  27-Dec-1998  minoura Match device names.
 1.1.2.1  23-Dec-1998  minoura First import of bus_space implementation for x68k port.
 1.3.6.1  30-Nov-1999  itojun bring in latest KAME (as of 19991130, KAME/NetBSD141) into kame branch
just for reference purposes.
This commit includes 1.4 -> 1.4.1 sync for kame branch.

The branch does not compile at all (due to the lack of ALTQ and some other
source code). Please do not try to modify the branch, this is just for
referenre purposes.

synchronization to latest KAME will take place on HEAD branch soon.
 1.3.4.1  21-Jun-1999  thorpej Sync w/ -current.
 1.3.2.1  24-Jun-1999  perry pullup 1.3->1.4 (minoura): Use mvme68k-derived delay() routine
 1.4.2.1  20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.5.6.1  21-Jun-2001  nathanw Catch up to -current.
 1.6.8.2  18-Oct-2002  nathanw Catch up to -current.
 1.6.8.1  12-Jun-2001  nathanw file mfp.c was added on branch nathanw_sa on 2002-10-18 02:40:46 +0000
 1.6.2.1  10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.9.6.6  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.9.6.5  24-Jan-2005  skrll Sync with HEAD.
 1.9.6.4  18-Dec-2004  skrll Sync with HEAD.
 1.9.6.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.9.6.2  18-Sep-2004  skrll Sync with HEAD.
 1.9.6.1  03-Aug-2004  skrll Sync with HEAD
 1.12.2.1  29-Apr-2005  kent sync with -current
 1.15.2.2  03-Sep-2007  yamt sync with head.
 1.15.2.1  21-Jun-2006  yamt sync with head.
 1.17.30.1  13-Mar-2007  ad Sync with head.
 1.17.26.1  12-Mar-2007  rmind Sync with HEAD.
 1.19.50.1  19-Jan-2009  skrll Sync with HEAD.
 1.19.42.1  04-May-2009  yamt sync with head.
 1.19.38.1  17-Jan-2009  mjf Sync with HEAD.
 1.23.8.1  06-Jun-2011  jruoho Sync with HEAD.
 1.23.6.1  31-May-2011  rmind sync with head
 1.25.18.1  18-May-2014  rmind sync with head
 1.25.14.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.25.4.1  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.26.34.1  18-Dec-2019  martin Pull up following revision(s) (requested by tsutsui in ticket #570):

sys/compat/netbsd32/netbsd32_compat_50_sysv.c: revision 1.3
sys/dev/raidframe/rf_compat50.h: revision 1.6
sys/arch/emips/emips/bus_space.c: revision 1.3
sys/compat/net/if.h: revision 1.5
sys/arch/emips/stand/common/bootinfo.c: revision 1.2
sys/compat/common/sysv_msg_50.c: revision 1.5
sys/compat/common/kern_time_30.c: revision 1.8
sys/arch/emips/stand/common/bootinfo.h: revision 1.2
sys/arch/ia64/include/bus.h: revision 1.4
sys/arch/ia64/ia64/bus_space.c: revision 1.2
sys/compat/common/sysv_shm_50.c: revision 1.5
sys/dev/ic/adw.h: revision 1.15
sys/compat/common/uipc_syscalls_50.c: revision 1.10
sys/arch/emips/ebus/flash_ebus.c: revision 1.22
sys/dev/ic/adv.h: revision 1.15
sys/dev/ic/adwmcode.c: revision 1.18
sys/dev/ic/advlib.c: revision 1.29
sys/arch/hpcarm/include/kloader.h: revision 1.3
sys/dev/usb/uberry.c: revision 1.16
sys/compat/common/sysv_sem_50.c: revision 1.5
sys/compat/netbsd32/netbsd32_compat_50.c: revision 1.43
sys/dev/ic/advlib.h: revision 1.21
sys/dev/ic/adv.c: revision 1.50
sys/compat/netinet6/in6_var.h: revision 1.5
sys/arch/hpc/stand/hpcboot/arm/arm_sa1100_asm.asm: revision 1.2
sys/arch/emips/include/loadfile_machdep.h: revision 1.3
sys/arch/emips/stand/common/prom_iface.c: revision 1.7
sys/dev/ic/adw.c: revision 1.56
sys/dev/ic/adwmcode.h: revision 1.12
sys/dev/ic/advmcode.c: revision 1.10
sys/arch/emips/ebus/ace_ebus.c: revision 1.22
sys/compat/netbsd32/netbsd32_compat_60.c: revision 1.5
sys/dev/raidframe/rf_compat50.c: revision 1.13
sys/arch/x68k/dev/intiovar.h: revision 1.15
sys/dev/usb/uipad.c: revision 1.8
sys/arch/zaurus/include/kloader.h: revision 1.3
sys/arch/emips/stand/common/bootxx.c: revision 1.2
sys/dev/ic/adwlib.h: revision 1.23
sys/dev/ic/adwlib.c: revision 1.44
sys/compat/netbsd32/netbsd32_compat_16.c: revision 1.3
sys/arch/amigappc/include/intr.h: revision 1.27
sys/arch/x68k/dev/mfp.c: revision 1.27
sys/arch/arm/at91/at91dbgu.c: revision 1.17
sys/dev/ic/advmcode.h: revision 1.7
sys/compat/ultrix/ultrix_exec.h: revision 1.7
sys/compat/common/vfs_syscalls_50.c: revision 1.24
sys/arch/mips/cavium/octeon_dma.c: revision 1.3
sys/arch/hpc/stand/hpcboot/arm/arm_pxa2x0_asm.asm: revision 1.2

Remove clause 3 and 4 from TNF licenses.
Ok'ed by martin@ in PR/54760.

Remove clause 3 and 4 leftovers from TNF licenses in more sources.
Confirmed by martin@ in PR/54760.
 1.26.30.1  08-Apr-2020  martin Merge changes from current as of 20200406
 1.27.10.6  05-Apr-2021  thorpej Treat config_probe() as if it were a boolean function; don't compare
return value > 0... except for the odd balls, which are now really easy
to spot.
 1.27.10.5  05-Apr-2021  thorpej config_match() -> config_probe() for the straight-forward indirect config
cases. There are still a few odd balls using config_match() which should
be sorted out later.
 1.27.10.4  04-Apr-2021  thorpej CFARG_SUBMATCH -> CFARG_SEARCH for the indirect configuration uses.
 1.27.10.3  03-Apr-2021  thorpej Give config_attach() the tagged variadic argument treatment and
mechanically convert all call sites.
 1.27.10.2  21-Mar-2021  thorpej CFARG_IATTR usage audit:

If a device carries only one interface attribute, there is no need
to specify it when calling config_search(); that specification is
meant only to disambiguate which interface attribute (which is a
proxy for "what kind of attach args are being used") is having
children attached. cfparent_match() will take care of ensuring that
any potential children can attach to one of the parent's iterface
attributes, and if the parent only carries one, no disambiguation is
necessary.
 1.27.10.1  20-Mar-2021  thorpej The proliferation if config_search_*() and config_found_*() combinations
is a little absurd, so begin to tidy this up:

- Introduce a new cfarg_t enumerated type, that defines the types of
tag-value variadic arguments that can be passed to the various
config_*() functions (CFARG_SUBMATCH, CFARG_IATTR, and CFARG_LOCATORS,
for now, plus a CFARG_EOL sentinel).
- Collapse config_search_*() into config_search() that takes these
variadic arguments.
- Convert all call sites of config_search_*() to the new signature.
Noticed several incorrect usages along the way, which will be
audited in a future commit.
 1.28.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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