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From: James S. <jsi...@in...> - 2002-12-02 21:09:07
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Hi! I have a new patch avaiable. It is against 2.5.50. The patch is at http://phoenix.infradead.org/~jsimmons/fbdev.diff.gz Have fun!!!! Drivers ported are: (Give them a try) ATI Mach 64 ATI 128 VESA VGA16 HGA NIVIDA NEOMAGIC The BIG changes are: 1) The seperation of the console code out of the fbdev drivers. 2) Total modularity of the frmaebuffer console system. Yes that is right. You can build it has modules. Great for testing. The following are results of the new changes which I have tested. With my VIA laptop with my neomagic card I was able to build it with vgacon and no fbcon. Then I insmod neofb and the soft accel (cfb*.c) needed. It loading and did NOT change the video hardware state. At this point I could run fbdev apps including a X server using /dev/fb solely. On opening /dev/fb0 the graphics hardware state changed. In theory I could exit X and get vgacon back. In order to do this I have to reset the hardware back to vga text mode in the fb_release function. It can be done but I haven't done it yet. With the second experiment I was able to insmod the fonts and fbcon.o. Then it switched from vgacon to fbcon. In theory I could again call the release function and reset the hardware back to a text mode state. All that is needed is the hardware specific code to do this. Things to be done: 1) A few bugs in fbcon to hammer out. 2) Fbcon to support changing resolution via the console layer. 3) Move the logo code out of fbcon.c to fbmem.c. With pure fbdev you need something to let you know things worked. 4) Software rotation. The diffstat is: CREDITS | 10 Documentation/DocBook/kernel-api.tmpl | 4 Documentation/fb/README-sstfb.txt | 173 Documentation/fb/internals.txt | 5 Documentation/fb/sstfb.txt | 174 MAINTAINERS | 7 arch/alpha/Kconfig | 31 arch/arm/Kconfig | 21 arch/i386/Kconfig | 55 arch/i386/vmlinux.lds.s | 114 arch/ia64/Kconfig | 25 arch/m68k/Kconfig | 7 arch/m68knommu/Kconfig | 35 arch/mips/Kconfig | 62 arch/mips64/Kconfig | 23 arch/parisc/Kconfig | 30 arch/ppc/Kconfig | 22 arch/ppc64/Kconfig | 7 arch/sh/Kconfig | 55 arch/sparc/Kconfig | 16 arch/sparc64/Kconfig | 11 arch/v850/Kconfig | 35 arch/x86_64/Kconfig | 55 drivers/Makefile | 3 drivers/char/Makefile | 2 drivers/char/consolemap.c | 5 drivers/char/keyboard.c | 1 drivers/char/mem.c | 12 drivers/char/selection.c | 1 drivers/char/toshiba.c | 2 drivers/char/tty_io.c | 7 drivers/char/vc_screen.c | 1 drivers/char/vt.c | 200 - drivers/char/vt_ioctl.c | 58 drivers/video/68328fb.c | 967 +---- drivers/video/Kconfig | 411 -- drivers/video/Makefile | 54 drivers/video/S3triofb.c | 2 drivers/video/amifb.c | 2 drivers/video/anakinfb.c | 62 drivers/video/atafb.c | 2 drivers/video/aty/atyfb.h | 18 drivers/video/aty/atyfb_base.c | 99 drivers/video/aty/mach64_ct.c | 2 drivers/video/aty/mach64_cursor.c | 157 drivers/video/aty/mach64_gx.c | 2 drivers/video/aty128fb.c | 3238 +++++++---------- drivers/video/cfbcopyarea.c | 511 +- drivers/video/cfbfillrect.c | 536 ++ drivers/video/cfbimgblt.c | 360 + drivers/video/chipsfb.c | 2 drivers/video/clps711xfb.c | 16 drivers/video/console/Kconfig | 221 + drivers/video/console/Makefile | 61 drivers/video/console/dummycon.c | 73 drivers/video/console/fbcon-sti.c | 289 + drivers/video/console/fbcon.c | 2725 ++++++++++++++ drivers/video/console/fbcon.h | 142 drivers/video/console/font.h | 53 drivers/video/console/font_6x11.c | 3351 +++++++++++++++++ drivers/video/console/font_8x16.c | 4631 ++++++++++++++++++++++++ drivers/video/console/font_8x8.c | 2583 +++++++++++++ drivers/video/console/font_acorn_8x8.c | 277 + drivers/video/console/font_mini_4x6.c | 2158 +++++++++++ drivers/video/console/font_pearl_8x8.c | 2587 +++++++++++++ drivers/video/console/font_sun12x22.c | 6220 +++++++++++++++++++++++++++++++++ drivers/video/console/font_sun8x16.c | 275 + drivers/video/console/fonts.c | 142 drivers/video/console/mdacon.c | 631 +++ drivers/video/console/newport_con.c | 745 +++ drivers/video/console/prom.uni | 11 drivers/video/console/promcon.c | 605 +++ drivers/video/console/sti.h | 289 + drivers/video/console/sticon.c | 214 + drivers/video/console/sticore.c | 601 +++ drivers/video/console/vgacon.c | 1066 +++++ drivers/video/controlfb.c | 499 -- drivers/video/cyberfb.c | 2 drivers/video/dnfb.c | 18 drivers/video/dummycon.c | 74 drivers/video/epson1355fb.c | 2 drivers/video/fbcmap.c | 92 drivers/video/fbcon-accel.c | 188 drivers/video/fbcon-accel.h | 34 drivers/video/fbcon-afb.c | 448 -- drivers/video/fbcon-cfb16.c | 319 - drivers/video/fbcon-cfb2.c | 225 - drivers/video/fbcon-cfb24.c | 333 - drivers/video/fbcon-cfb32.c | 305 - drivers/video/fbcon-cfb4.c | 229 - drivers/video/fbcon-cfb8.c | 294 - drivers/video/fbcon-hga.c | 253 - drivers/video/fbcon-ilbm.c | 296 - drivers/video/fbcon-iplan2p2.c | 476 -- drivers/video/fbcon-iplan2p4.c | 497 -- drivers/video/fbcon-iplan2p8.c | 534 -- drivers/video/fbcon-mfb.c | 217 - drivers/video/fbcon-sti.c | 337 - drivers/video/fbcon-vga-planes.c | 387 -- drivers/video/fbcon.c | 2509 ------------- drivers/video/fbgen.c | 286 - drivers/video/fbmem.c | 233 - drivers/video/fm2fb.c | 17 drivers/video/font_6x11.c | 3351 ----------------- drivers/video/font_8x16.c | 4631 ------------------------ drivers/video/font_8x8.c | 2583 ------------- drivers/video/font_acorn_8x8.c | 277 - drivers/video/font_mini_4x6.c | 2158 ----------- drivers/video/font_pearl_8x8.c | 2587 ------------- drivers/video/font_sun12x22.c | 6220 --------------------------------- drivers/video/font_sun8x16.c | 275 - drivers/video/fonts.c | 135 drivers/video/g364fb.c | 74 drivers/video/hgafb.c | 424 -- drivers/video/hitfb.c | 17 drivers/video/hpfb.c | 16 drivers/video/igafb.c | 2 drivers/video/imsttfb.c | 41 drivers/video/macfb.c | 22 drivers/video/macmodes.c | 3 drivers/video/macmodes.h | 70 drivers/video/matrox/i2c-matroxfb.c | 2 drivers/video/matrox/matroxfb_base.c | 4 drivers/video/matrox/matroxfb_crtc2.c | 4 drivers/video/maxinefb.c | 48 drivers/video/mdacon.c | 632 --- drivers/video/modedb.c | 7 drivers/video/neofb.c | 389 +- drivers/video/newport_con.c | 746 --- drivers/video/offb.c | 23 drivers/video/platinumfb.c | 451 -- drivers/video/pm2fb.c | 2 drivers/video/pm3fb.c | 2 drivers/video/pmag-ba-fb.c | 59 drivers/video/pmagb-b-fb.c | 53 drivers/video/prom.uni | 11 drivers/video/promcon.c | 606 --- drivers/video/pvr2fb.c | 4 drivers/video/q40fb.c | 16 drivers/video/radeonfb.c | 3374 ++++++++++------- drivers/video/retz3fb.c | 2 drivers/video/riva/Makefile | 2 drivers/video/riva/accel.c | 427 -- drivers/video/riva/fbdev.c | 2099 ++++------- drivers/video/riva/riva_hw.h | 1 drivers/video/riva/rivafb.h | 48 drivers/video/sa1100fb.c | 2 drivers/video/sbusfb.c | 2 drivers/video/sgivwfb.c | 62 drivers/video/sis/Makefile | 2 drivers/video/sis/sis_accel.c | 495 ++ drivers/video/sis/sis_main.c | 2 drivers/video/skeletonfb.c | 28 drivers/video/softcursor.c | 62 drivers/video/sstfb.c | 2 drivers/video/sti-bmode.h | 287 - drivers/video/sti.h | 289 - drivers/video/sticon-bmode.c | 895 ---- drivers/video/sticon.c | 215 - drivers/video/sticore.c | 601 --- drivers/video/sticore.h | 407 ++ drivers/video/stifb.c | 1403 ++++++- drivers/video/sun3fb.c | 2 drivers/video/tdfxfb.c | 531 +- drivers/video/tgafb.c | 2 drivers/video/tridentfb.c | 2 drivers/video/tx3912fb.c | 19 drivers/video/valkyriefb.c | 27 drivers/video/vesafb.c | 24 drivers/video/vfb.c | 38 drivers/video/vga16fb.c | 1368 +++++-- drivers/video/vgacon.c | 1055 ----- drivers/video/virgefb.c | 2 include/linux/console.h | 1 include/linux/console_struct.h | 1 include/linux/fb.h | 207 - include/linux/radeon.h | 766 ++++ include/linux/radeonfb.h | 15 include/linux/sisfb.h | 58 include/linux/vt_kern.h | 8 include/video/fbcon-afb.h | 32 include/video/fbcon-cfb16.h | 34 include/video/fbcon-cfb2.h | 32 include/video/fbcon-cfb24.h | 34 include/video/fbcon-cfb32.h | 34 include/video/fbcon-cfb4.h | 32 include/video/fbcon-cfb8.h | 34 include/video/fbcon-hga.h | 32 include/video/fbcon-ilbm.h | 32 include/video/fbcon-iplan2p2.h | 32 include/video/fbcon-iplan2p4.h | 32 include/video/fbcon-iplan2p8.h | 32 include/video/fbcon-mac.h | 32 include/video/fbcon-mfb.h | 32 include/video/fbcon-vga-planes.h | 37 include/video/fbcon-vga.h | 32 include/video/fbcon.h | 795 ---- include/video/font.h | 53 include/video/macmodes.h | 70 include/video/neomagic.h | 1 kernel/printk.c | 1 201 files changed, 41728 insertions(+), 47259 deletions(-) |
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From: Tobias R. <ink...@un...> - 2002-12-02 21:59:20
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Hello James, Monday, December 2, 2002, 10:07:33 PM, you wrote: JS> Hi! JS> I have a new patch avaiable. It is against 2.5.50. The patch is at JS> http://phoenix.infradead.org/~jsimmons/fbdev.diff.gz JS> [...] JS> The diffstat is: JS> CREDITS | 10 Hunk #1 succeeded at 2836 (offset -6 lines). JS> [...] JS> arch/i386/vmlinux.lds.s | 114 ^^^^^^^^^^^^^^ really intended? JS> [...] JS> drivers/char/tty_io.c | 7 Hunk #1 succeeded at 1503 (offset -6 lines). JS> [...] JS> drivers/video/Kconfig | 411 -- Hunk #19 succeeded at 864 with fuzz 1 (offset -7 lines). (of course against 2.5.50 vanilla) -- cheers, Tobias |
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From: James S. <jsi...@in...> - 2002-12-02 22:20:52
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> JS> I have a new patch avaiable. It is against 2.5.50. The patch is at > JS> http://phoenix.infradead.org/~jsimmons/fbdev.diff.gz > > JS> [...] > JS> The diffstat is: > > JS> CREDITS | 10 > > Hunk #1 succeeded at 2836 (offset -6 lines). > > JS> [...] > JS> arch/i386/vmlinux.lds.s | 114 > ^^^^^^^^^^^^^^ > really intended? > > JS> [...] > JS> drivers/char/tty_io.c | 7 > > Hunk #1 succeeded at 1503 (offset -6 lines). > > JS> [...] > JS> drivers/video/Kconfig | 411 -- > > Hunk #19 succeeded at 864 with fuzz 1 (offset -7 lines). It does work but I made the patch against Linus tree with a few extra fixes due to the pci/quirks bug. I will post a exact patch. |
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From: Antonino D. <ad...@po...> - 2002-12-03 09:30:14
Attachments:
fbcon.diff
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On Tue, 2002-12-03 at 02:07, James Simmons wrote: > > Hi! > > I have a new patch avaiable. It is against 2.5.50. The patch is at > > http://phoenix.infradead.org/~jsimmons/fbdev.diff.gz > > Have fun!!!! > > Drivers ported are: (Give them a try) > > ATI Mach 64 > ATI 128 > VESA > VGA16 > HGA > NIVIDA > NEOMAGIC > > The BIG changes are: > > 1) The seperation of the console code out of the fbdev drivers. > > 2) Total modularity of the frmaebuffer console system. Yes that is > right. You can build it has modules. Great for testing. > > The following are results of the new changes which I have tested. > > With my VIA laptop with my neomagic card I was able to build it with > vgacon and no fbcon. Then I insmod neofb and the soft accel (cfb*.c) > needed. It loading and did NOT change the video hardware state. At this > point I could run fbdev apps including a X server using /dev/fb solely. > On opening /dev/fb0 the graphics hardware state changed. In theory I could > exit X and get vgacon back. In order to do this I have to reset the > hardware back to vga text mode in the fb_release function. It can be done > but I haven't done it yet. > With the second experiment I was able to insmod the fonts and fbcon.o. > Then it switched from vgacon to fbcon. In theory I could again call the > release function and reset the hardware back to a text mode state. All > that is needed is the hardware specific code to do this. > > Things to be done: > > 1) A few bugs in fbcon to hammer out. > > 2) Fbcon to support changing resolution via the console layer. > > 3) Move the logo code out of fbcon.c to fbmem.c. With pure fbdev > you need something to let you know things worked. > > 4) Software rotation. > Attached is a patch against linux-2.5.50 + your fbdev.diff. a. changed __MOD_INC_USE_COUNT and __MOD_DEC_USE_COUNT to try_module_get() and module_put() respectively. This will allow modules to be safely unloaded. b. Another rewrite of fbcon_show_logo() so it's more understandable (hopefully). I also added support for the rest of the visuals, but untested yet. Tested with different hardware (little endian): truecolor, directcolor, pseudocolor, vga 4-bit pseudocolor. Not tested: static psuedocolor, mono01, and mono10. c. prevent fbcon module from loading if no fbdev is registered. Also made fbcon module unsafe to unload (for now). This is optional, of course. |
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From: James S. <jsi...@in...> - 2002-12-03 21:26:52
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> Attached is a patch against linux-2.5.50 + your fbdev.diff. Applied :-) > b. Another rewrite of fbcon_show_logo() so it's more understandable > (hopefully). I also added support for the rest of the visuals, but > untested yet. > Not tested: > static psuedocolor, mono01, and mono10. I have a mono hga card. > c. prevent fbcon module from loading if no fbdev is registered. Also > made fbcon module unsafe to unload (for now). This is optional, of course. It is a good idea until we have the ability to switch back to text mode. |
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From: Antonino D. <ad...@po...> - 2002-12-04 00:41:03
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On Wed, 2002-12-04 at 03:18, James Simmons wrote:
>
> > Attached is a patch against linux-2.5.50 + your fbdev.diff.
>
> Applied :-)
>
> > b. Another rewrite of fbcon_show_logo() so it's more understandable
> > (hopefully). I also added support for the rest of the visuals, but
> > untested yet.
> > Not tested:
> > static psuedocolor, mono01, and mono10.
>
> I have a mono hga card.
>
Can you apply the following patch to include logo drawing support for all formats :-)?
diff -Naur linux-2.5.50-js/drivers/video/cfbimgblt.c linux/drivers/video/cfbimgblt.c
--- linux-2.5.50-js/drivers/video/cfbimgblt.c 2002-12-04 03:14:19.000000000 +0000
+++ linux/drivers/video/cfbimgblt.c 2002-12-04 03:13:57.000000000 +0000
@@ -123,11 +123,11 @@
shift = start_index;
}
while (n--) {
- if (p->fix.visual == FB_VISUAL_PSEUDOCOLOR)
- color = *src & bitmask;
if (p->fix.visual == FB_VISUAL_TRUECOLOR ||
p->fix.visual == FB_VISUAL_DIRECTCOLOR )
color = palette[*src] & bitmask;
+ else
+ color = *src & bitmask;
val |= SHIFT_HIGH(color, shift);
if (shift >= null_bits) {
FB_WRITEL(val, dst++);
> > c. prevent fbcon module from loading if no fbdev is registered. Also
> > made fbcon module unsafe to unload (for now). This is optional, of course.
>
> It is a good idea until we have the ability to switch back to text mode.
>
It's not the switch back to text mode, that's very doable (see my other
reply). It's during give_up_console() at fbcon module exit. At this
point, the console suddenly disappears and freezes the system. Maybe we
can save the global "conswitchp" during fbcon module init, then
something like this at fbcon module exit:
void __exit fb_console_exit(void)
{
give_up_console(&fbcon);
take_over_console(saved_conswitchp, ...);
}
Is this feasible?
Tony
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From: James S. <jsi...@in...> - 2002-12-04 22:08:48
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> Can you apply the following patch to include logo drawing support for all formats :-)?
Applied :-)
> It's not the switch back to text mode, that's very doable (see my other
> reply). It's during give_up_console() at fbcon module exit. At this
> point, the console suddenly disappears and freezes the system. Maybe we
> can save the global "conswitchp" during fbcon module init, then
> something like this at fbcon module exit:
>
> void __exit fb_console_exit(void)
> {
> give_up_console(&fbcon);
> take_over_console(saved_conswitchp, ...);
> }
>
> Is this feasible?
I thought about it but the solution is not easy. Consider that we have
vgacon and mdacon. Then I load in hgafb. Here the goal is to take over
mdacon. So we have to prevent taking over vgacon. Since there is only on
conswitchp we are in trouble.
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From: Christoph H. <hc...@in...> - 2002-12-06 19:51:15
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On Mon, Dec 02, 2002 at 09:07:33PM +0000, James Simmons wrote: > > Hi! > > I have a new patch avaiable. It is against 2.5.50. The patch is at Any chance you could sync with linus again? fb in mainline is pretty rotten.. |
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From: James S. <jsi...@in...> - 2002-12-06 21:23:05
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> > Hi! > > > > I have a new patch avaiable. It is against 2.5.50. The patch is at > > Any chance you could sync with linus again? fb in mainline is pretty > rotten.. I think the time has come. Alot of improvmenents have happened :-) The final api for the low level drivers is done. Any further changes will be in fbmem.c and fbcon. I just synced up the latest work. |
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