Commit Graph

32 Commits

Author SHA1 Message Date
bde
2d311d905e Removed unused misplaced definition of TIMER_FREQ.
Use less-magic numbers in the definition of HISTORY_SIZE.
1997-08-25 23:21:55 +00:00
yokota
56b7c76d79 Screen saver related fixes.
1. Add new interface, add_scrn_saver()/remove_scrn_saver(), to declare
loading/unloading of a screen saver.  The screen saver calls these
functions to notify syscons of loading/unloading events.

It was possible to load multiple savers each of which will try to
remember the previous saver in a local variable (`old_saver'). The
scheme breaks easily if the user load two savers and unload them in a
wrong order; if the first saver is unloaded first, `old_saver' in the
second saver points to nowhere.

Now only one screen saver is allowed in memory at a time.

Soeren will be looking into this issue again later.  syscons is
becoming too heavy.  It's time to cut things down, rather than adding
more...

2. Make scrn_timer() to be the primary caller of the screen saver
(*current_saver)(). scintr(), scioctl() and ansi_put() update
`scrn_time_stamp' to indicate that they want to stop the screen saver.

There are three exceptions, however.

One is remove_scrn_saver() which need to stop the current screen saver
if it is running. To guard against scrn_timer() calling the saver during
this operation, `current_saver' is set to `none_saver' early.

The others are sccngetc() and sccncheckc(); they will unblank the
screen too.  When the kernel enters DDB (via the hot key or a
break point), the screen saver will be stopped by sccngetc().
However, we have a reentrancy problem here. If the system has been in
the middle of the screen saver...

(The screen saver reentrancy problem has always been with sccnputc()
and sccngetc() in the -current source. So, the new code is doing no
worse, I reckon.)

3. Use `mono_time' rather than `time'.

4. Make set_border() work for EGA and CGA in addition to VGA. Do
nothing for MDA.

Changes to the LKM screen saver modules will follow shortly.  YOU NEED
TO RECOMPILE BOTH SCREEN SAVERS AND KERNEL AS OF THESE CHANGES.

Reviewed by: sos and bde
1997-07-15 14:43:27 +00:00
yokota
19d804ec62 A fix/work-around for ThinkPad 535.
Add a new configuration flag, KBD_NORESET (0x20) to tell scprobe() not
to reset the keyboard.

IBM ThinkPad 535 has the `Fn' key with which the user can perform
certain functions in conjunction with other keys. For example, `Fn' +
PageUP/PageDOWN adjust speaker volume, `Fn' + Home/End change
brightness of LCD screen. It can also be used to suspend the system.

It appears that these functions are implemented at the keyboard level
or the keyboard controller level and totally independent from BIOS or
OS.  But, if the keyboard is reset (as is done in scprobe()), they
become unavailable.  (There are other laptops which have similar
functions associated with the `Fn' key. But, they aren't affected by
keyboard reset.)

ThinkPad 535 doesn't have switches or buttons to adjust brightness and
volume, or to put the system into the suspend mode. Therefore, it is
essential to preserve these `Fn' key functions in FreeBSD. The new
flag make scprobe() skip keyboard reset.

If this flag is not set, scprobe() behaves in the same say as before.

(If we only knew a way to detect ThinkPad 535, we could skip keyboard
reset automatically, but...)
1997-06-29 15:11:40 +00:00
yokota
3347d1b140 1) font loading (two fixes)
When an ioctl command SW_XXXX is issued, scioctl() checks if the font
appropriate for the specified mode is already loaded.  The check was
correctly done for 8 line and 16 line fonts, but not for 14 line font.

The symbols FONT_8, FONT_14 and FONT_16 were defined as numbers but
were sometimes treated as bit flags. They are now defined as bit
flags.

2) screen blinking (two fixes)

Removed a redundant call to timeout() in do_bell().

Don't let blink_screen() write to the video buffer if the screen is in
the graphics (UNKNOWN) mode.

3) screen saver timeout

The ioctl command CONS_BLANKTIME sets the screen saver's timeout.  The
value of zero will disable the screen saver. If the screen saver is
currently running it should be stopped.

4) border color and destructive cursor (two fixes)

The border color and the cursor type can be changed via escape
sequences.  But only VGA can change the border color and set the
cursor type to destructive (CHAR_CURSOR) in the current syscons.
scan_esc() failed to check this.

Reviewed by:	sos
1997-05-15 05:43:59 +00:00
peter
94b6d72794 Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are not
ready for it yet.
1997-02-22 09:48:43 +00:00
sos
6d91e14736 Add save/restore cursor as pr SCO screen(HW) manpage.
Fix ESC[2J to not move cursor home
Clear mouse cutmarking on more cases.
Minor changes by me.

Submitted by:	ache
1997-01-23 20:00:45 +00:00
sos
b1f2400fbc Upgrade the kbdio rutines to provide queued kbd & mouse events.
Minor other updates to syscons by me.

Submitted by:	Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
1997-01-15 18:16:32 +00:00
jkh
808a36ef65 Make the long-awaited change from $Id$ to $FreeBSD$
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
1997-01-14 07:20:47 +00:00
nate
ece2d07204 Allow us to enable the 'XT_KEYBOARD' code using a configuration flag.
This allows the user to add modify syscons's configuration flags using
UserConfig that will allow older/quirky hardware (most notably older IBM
ThinkPad laptops) to work with the standard boot kernel.

Inspired by:	The Nomads
1996-11-10 16:44:13 +00:00
pst
3472d01c71 Remove SC_KBD_PROBE_WORKS option and replace it with a simple run-time flag
bit (0x0008) in the sc driver configuration line.  This way it's easy to
boink a generic kernel.

Also, document and place in an opt_ file the #define's for overriding which
serial port is the system console.
Approved by:	sos
1996-10-23 07:29:44 +00:00
sos
69495a4e3d Changed mouse functionality a bit, now the pointer disappears if
there is keyboard input.
The mousepointer is shown again immediately if moved.

Also a function pointer used to install a userwritten extra
ioctl handler (sc_user_ioctl). This way its is possible to
install user defined videomodes etc etc. No further changes
should be in the kernel.
1996-10-18 18:51:37 +00:00
sos
1b6b2c9e3b Fix a couble of nasties regarding mouse pointer and different
resolutions.
Allow middle mouse button to be used for pasting.
Also added the beginnings of support for a splash page.
1996-09-30 23:00:58 +00:00
sos
2baa7a7ec3 Fixed a couple of bugs in the mousepointer code.
Changed update strategy slightly.
Make set_mode & copy_font externally visible.
1996-09-01 18:16:06 +00:00
sos
5c1df79acf Fixed bug in pasting 8bit char (ache).
Added linefeeds in cuts that extend beyond one line.
Prepared for the mousefunctions to be used in nontext modes.
1996-06-26 13:04:53 +00:00
sos
860f339c72 Change the way moused talk to syscons, now its only delivering mouseevents
via an ioctl (MOUSE_ACTION).
Fixed a couple of bugs (destructive cursor, uncut, jitter).
Now applications can use the mouse via the MOUSE_MODE ioctl, its
possible to have a signal sent on mouseevents, makeing an event loop
in the application take over mouseevents.
1996-06-25 08:54:57 +00:00
bde
c2649372bd Moved declarations of static functions to the correct file. This fixes
hundreds of warnings from -Wunused in lkm/syscons/*.
1996-06-23 17:12:05 +00:00
sos
e0038ca9ca Some news for syscons (long overdue):
Real support for a Textmode mousecursor, works by reprogramming the
charset. Together with this support for cut&paste in text mode.
To use it a userland daemon is needed (moused), which provides
the interface to the various mice protokols.
Bug fixes here and there, all known PR's closed by this update.
1996-06-21 07:19:18 +00:00
mpp
f3dd75a38d Fix a bunch of spelling errors in the comment fields of
a bunch of system include files.
1996-01-30 23:02:38 +00:00
phk
e7008a284e Staticize and cleanup. 1995-12-10 13:40:44 +00:00
ache
016bb77514 Separate colors & attributes as Terry points
Reviewed by: soren
1995-11-28 00:17:32 +00:00
bde
6073486300 Added `#include "ioconf.h"' to <machine/conf.h> and cleaned up the
misplaced extern declarations (mostly prototypes of interrupt handlers)
that this exposed.  The prototypes should be moved back to the driver
sources when the functions are staticalized.

Added idempotency guards to <machine/conf.h>.  "ioconf.h" can't be
included when building LKMs so define a wart in bsd.kmod.mk to help
guard against including it.
1995-11-04 17:08:13 +00:00
bde
fb586a0db4 Make pcvt and syscons live in the same kernel. If both are enabled, then
the first one in the config has priority.  They can be switched using
userconfig().

i386/i386/conf.c:
Initialize the shared syscons/pcvt cdevsw entry to `nx'.

Add cdevsw registration functions.

Use devsw functions of the correct type if they exist.

i386/i386/cons.c:
Add renamed syscons entry points to constab.

i386/i386/cons.h:
Declare the renamed syscons entry points.

i386/i386/machdep.c:
Repeat console initialization after userconfig() in case the current
console has become wrong.  This depends on cn functions not wiring down
anything important.

sys/conf.h:
Declare new functions.

i386/isa/isa.[ch]:
Add a function to decide which display driver has priority.  Should be
done better.

i386/isa/syscons.c:
Rename pccn* -> sccn*.

Initialize CRTC start address in case the previous driver has moved it.

i386/isa/syscons.c, i386/isa/pcvt/*
Initialize the bogusly shared variable Crtat dynamically in case the
stored value was changed by the previous driver.

Initialize cdevsw table from a template.

Don't grab the console if another display driver has priority.

i386/isa/syscons.h, i386/isa/pcvt/pcvt_hdr.h:
Don't externally declare now-static cdevsw functions.

i386/isa/pcvt/pcvt_hdr.h:
Set the sensitive hardware flag so that pcvt doesn't always have lower
priority than syscons.  This also fixes the "stupid" detection of the
display after filling the display with text.

i386/isa/pcvt/pcvt_out.c:
Don't be confused the off-screen cursor offset 0xffff set by syscons.

kern/subr_xxx.c:
Add enough nxio/nodev/null devsw functions of the correct type for syscons
and pcvt.
1995-09-10 21:36:12 +00:00
bde
e97bb42ff7 Fix races in scstart(). q_to_b() wasn't called at spltty(), so there
were two races:
- q_to_b() might unexpectedly return 0 (e.g, after a keyboard signal
  flushes the output queue and isn't echoed).  ansi_put() interprets
  0 bytes as 4GB...
- more output (e.g. for echoes) might arrive afer q_to_b() returns 0.
  Then scstart() returns presumably and the new output might not be
  handled for a long time.

Remove unused function scxint().

Fix prototypes (foo() isn't a prototype).
1995-07-11 18:34:30 +00:00
rgrimes
c86f0c7a71 Remove trailing whitespace. 1995-05-30 08:16:23 +00:00
bde
c351f3cb48 Correct the type of the `c' arg to pccnputc().
Move declarations of console functions to cons.h so that they can't be
defined inconsistently in several places.  They should be config(8)ed.
1995-04-23 10:15:42 +00:00
sos
d2045dc812 Fixes to the hardware cursor emulation.
Submitted by:	ache
1995-04-04 20:06:26 +00:00
sos
a867f0c357 Emulate hw cursor closely, and get start&end scanlines from BIOS. 1995-03-30 14:32:31 +00:00
sos
f1c731a93f Optimized the way physical screen updates are done. Now only
update what has actually been touched. This should speed up
screen access on slow hardware.
Introduced setting of "destructive" cursor size, much like
the old hardware cursor.
1995-03-29 20:55:03 +00:00
sos
d315780e7d Minor update to syscons.
Let "grey delete" be a function key (default is 0x7f)
Fix the xor cursor again..
Made the backspace key generate del as default
Made CTRL-space generate nul as default.
1995-03-03 08:37:52 +00:00
pst
9b98fb36dc Incorporate bde's code-review comments.
(a) bring back ttselect, now that we have xxxdevtotty() it isn't dangerous.
(b) remove all of the wrappers that have been replaced by ttselect
(c) fix formatting in syscons.c and definition in syscons.h
(d) add cxdevtotty

NOT DONE:
(e) make pcvt work... it was already broken...when someone fixes pcvt to
	link properly, just rename get_pccons to xxxdevtotty and we're done
1995-02-28 00:21:11 +00:00
pst
1dcb420b64 (a) remove the pointer to each driver's tty structure array from cdevsw
(b) add a function callback vector to tty drivers that will return a pointer
    to a valid tty structure based upon a dev_t
(c) make syscons structures the same size whether or not APM is enabled so
    utilities don't crash if NAPM changes (and make the damn kernel compile!)
(d) rewrite /dev/snp ioctl interface so that it is device driver and i386
    independant
1995-02-25 20:09:44 +00:00
sos
a8582ea049 Next syscons update (given up on numbering :)
Removed screensavers from syscons, they are now LKM's. This makes it
possible to do some really "interesting" screensavers...
Fixed bug that sometimes caused garbage to appear when leaving
"scroll-lock" history.
Reformattet indentation, it got too deep for a normal 80 pos screen.
Split up in syscons.c & syscons.h for use with the saver-lkm's.
Temporarily removed -s option from vidcontrol, savers should now
be loaded with modload.
1995-02-22 13:48:07 +00:00