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64 Commits

Author SHA1 Message Date
christos
d3427703db Hayes ESP support from Michael Van Loon, with minor cleanups. Tested on 
a single port ESP card; works great!
 1996-01-14 23:44:34 +00:00
mycroft
3da4b2a160 The IST_* and IPL_* constants are not bus-specific; don't treat them as such. 
Change splimp -> splnet in Ethernet, ARCnet, and FDDI drivers.
 1995-12-24 02:29:35 +00:00
mycroft
f096f370fb Use SET(), CLR(), and ISSET() macros. 
Rename CFCR to LCR, and cache its value.
Check MSR before transmitting, for better flow control.
Preserve LCR_SBREAK inside comparam().
 1995-10-15 19:43:04 +00:00
mycroft
eb99dcc09a Fix a condition where ttywait() wouldn't be woken up. Also, short-circuit 
the case of no pending input in compoll().
 1995-07-04 06:47:18 +00:00
cgd
2b71eae2c7 note that most of dev/ic's contents have changed names 1995-06-28 04:30:30 +00:00
mycroft
4bfd7749ad Various: 
* Check for CTS in the correct register.
* Only do a selwakeup() if we output something.
* Don't make assumptions about what TTYDISC does.
 1995-06-05 19:08:09 +00:00
mycroft
5b37a8fded Handle BREAK correctly when not entering DDB. 1995-06-04 20:50:14 +00:00
mycroft
38847d04c0 Add an input FIFO, and fix several flow control problems. Based on code from 
Felix A. Croes.
 1995-06-04 20:39:22 +00:00
jtc
d045544ebd Changed ns82450 to ns8250 and dropped ns82550 from probe console messages. 1995-06-01 21:26:51 +00:00
mycroft
addaff473b Only use the `no pending interrupt' bit in the IIR; the other bits 
are too unreliable on clone chips.
 1995-05-28 03:26:37 +00:00
cgd
c821cb684a (1) conditionalize debugger usage in comeint with DDB, not COMCONSOLE; 
latter would lead to undefined symbols if DDB not defined.
(2) check for break on console, and therefore debugger entry (if ddb
	in kernel) earlier, so that the device doesn't need to be open.
(3) return immediately after breaking into the debugger in comeint().
(4) only do the normal character input routine in comintr if receive
	mask yeilds _EXACLTY_ LSR_RXRDY.  if there's only a receive
	error, or there's a receive error _and_ a received character,
	do comeint().
(former two by me.  latter two from Bob Baron <rvb@cs.cmu.edu>.)
 1995-05-12 17:54:41 +00:00
hpeyerl
c9319ad5c4 <break> --> ddb if defined(comconsole). 
(if you have a serial console and you hit break, you get ddb).
 1995-04-28 00:34:08 +00:00
mycroft
9e28a35469 Fix thinko in previous change. 1995-04-19 22:04:33 +00:00
mycroft
53d73c77a5 Garbage collect #includes. 1995-04-19 19:10:35 +00:00
mycroft
e1315808a7 Implement comtty(). 1995-04-19 18:59:27 +00:00
cgd
8a640328ed clean up several ISA device interfaces: autoconfiguration, header 
inclusion, and interrupt configuration.  more work still needs to be done,
but it's getting better...
 1995-04-17 12:06:30 +00:00
mycroft
95c5c4f79f Most of the console functions return void. Also change interrupt logic 
slightly.
 1995-04-10 01:05:55 +00:00
cgd
3a7bbb1acd lip service to making ISA support machine-independent. This is the first 
round: moving the drivers into a machine-independent directory.
Some drivers (e.g. fd.c) not moved because they use other pc features (e.g.
CMOS settings), and none of the non-driver files moved, because they're
still pretty much PC specific.  eventually (when other ports with ISA
busses really start using this code), more 'high-level' ISA support will
live here.
 1995-01-29 07:36:54 +00:00
cgd
f11e7e33fe use chip headers in /dev/ic 1995-01-29 02:58:20 +00:00
pk
0a22930d97 Explicitly test the RXRDY status bit on incoming characters. 1995-01-11 09:56:40 +00:00
mycroft
6125e1b551 Fix oversight in previous. 1995-01-04 00:47:53 +00:00
mycroft
b5cf1b5ddd Add interrupt sharing types. 1995-01-03 01:30:14 +00:00
mycroft
cba32aa25f Minor update for new autoconfig. 1994-11-25 08:17:21 +00:00
mycroft
35cdd801e6 Convert port, IRQ, and DRQ numbers to ints. 1994-11-18 21:57:40 +00:00
mycroft
ebbdd6473b Update to match autoconfig code. 1994-11-03 23:26:03 +00:00
cgd
6ac2bbfc35 be more careful with types, also pull in headers where necessary. 1994-10-30 21:43:03 +00:00
cgd
022ee8f7fe new RCS ID format. 1994-10-27 04:14:23 +00:00
mycroft
556a119342 Implement *cnpollc(). 1994-10-26 18:06:30 +00:00
mycroft
c7003d37d3 Only reset FIFO if changing baud rate. From John Kohl (slightly edited). 1994-09-16 02:50:39 +00:00
mycroft
5e4a51278b Set the FIFO threshold based on the receive speed, per Mark Weaver. 1994-08-24 07:25:18 +00:00
mycroft
8b8390a4bb Look for MDMBUF in cflag, not lflag. 1994-08-21 15:04:37 +00:00
mycroft
59de58a39b Count up the silo overflows and only log a warning at most once per minute. 1994-08-07 11:27:51 +00:00
mycroft
8a9df6389d Bug fixes from Mark Weaver. 1994-07-31 11:34:38 +00:00
cgd
e872e13605 allow MDMBUF flags to be set (oops) 1994-04-10 10:29:06 +00:00
mycroft
3f5e4f423f Implement dynamic IRQ configuration and IRQ sharing. Inline spl*() calls. 
Reorganize and clean up the relevant code.
 1994-04-07 06:48:19 +00:00
mycroft
592ec61b17 Updates for new autoconfig. 1994-03-29 04:35:37 +00:00
mycroft
008f13bb69 Fix off-by-one error in comopen() unit number sanity check. From Brian de 
Alwis.
 1994-03-25 04:38:01 +00:00
mycroft
4cc5b77bfa Some stylistic cleanup, and a very minor speedup. 1994-03-23 03:01:50 +00:00
cgd
c6b399cce8 add AST-style serial multiport support, from Roland McGrath 
<roland@@frob.com>.  Needs light clean by Mr. I386, but mostly
OK.  For some reason, Bad Things (TM) happened on the last cvs commit.
 1994-03-23 01:28:23 +00:00
cgd
456e197d26 add reasonable support for MDMBUF output flow control. input to be done later 1994-03-18 05:13:26 +00:00
cgd
39f57c7820 copy appropriate hardware config bits from config's flags 1994-03-12 08:04:19 +00:00
cgd
86ac0459be fix some of the last; thanks to charles for looking it over... 1994-03-12 07:43:03 +00:00
cgd
c38cf8e43e support new ioctls. fix the way CRTSCTS is used, etc. Seperate 'hardware' 
and 'software' flags.  beginnings of multiport support.
 1994-03-12 07:25:16 +00:00
mycroft
49051114a6 Major cleanup and many bugs fixed; based in part on Brad Huntting's version 
for BSD/386.  More to be done when the low-level interrupt system is replaced.
 1994-03-08 08:12:56 +00:00
mycroft
0c082bcaf8 DELAY() --> delay(). This is not a macro. 1994-03-06 17:18:43 +00:00
mycroft
bbb3e7618c All ioctl routines take a struct proc * now. 1994-02-09 21:06:46 +00:00
cgd
73f7c1d72e oops 1994-02-01 04:38:03 +00:00
cgd
b452451cfe new cons.h location, etc. 1994-02-01 03:42:08 +00:00
ws
18673da28a Traditional behaviour is to reset all modes if device isn't open already 1994-01-30 16:41:27 +00:00
mycroft
33a067f307 Junk comselect(); it's the same at ttselect(). 1994-01-13 14:58:12 +00:00