Re: API to turn off the display

On Thu, 29 Jan 2004, Taku YAMAMOTO wrote:

> 
> I wrote a driver that handles what John told.
> 
> http://access.cent.saitama-u.ac.jp/~taku/freebsd/acpi_vid-20031013.tar.gz
> MD5 (acpi_vid-20031013.tar.gz) = adbfa6931e505544fb784e00c7b974e7
> 
> This driver uses ACPI video extension to control display switching and
> backlight brightness. So working ACPI is a requisition for this driver.
> 
> Whether it does or does not work depends heavily on how well the BIOS written,
> however, I hope it worth trying.
> 
> Suggestions, working/not-working reports etc are very appreciated.
Dell 7500 Inspiron..
no luck:

jules# sysctl hw.acpi.video
sysctl: unknown oid 'hw.acpi.video'
jules# kldstat 
Id Refs Address    Size     Name
 1   10 0xc0400000 385178   kernel
 2    2 0xc0786000 4fc04    acpi.ko
 3    2 0xc2967000 19000    linux.ko
 4    1 0xc29a7000 2000     rtc.ko
 5    1 0xc29ad000 4000     if_tap.ko
 6    1 0xc39c3000 4000     acpi_vid.ko
jules# 
I guess it just doesn;t have a video section..
unless of course  the erros I see at boot stop it from working..
 I see:
Jan 28 23:52:31 jules kernel: fdc0: <Enhanced floppy controller (i82077,
NE72065
 or clone)> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0
Jan 28 23:52:31 jules kernel: ACPI-1287: *** Error: Method execution
failed [\_S
B_.PCI0.PX41.SECN.SLAV._STA] (Node 0xc27acc60), AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0175: *** Error: Method execution
failed [\_S
B_.PCI0.PX41.SECN.SLAV._STA] (Node 0xc27acc60), AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0440: *** Error: Handler for
[EmbeddedControl
] returned AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0440: *** Error: Handler for
[EmbeddedControl
] returned AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-1287: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0175: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-1287: *** Error: Method execution
failed [\_S
B_.PCI0.PX41.SECN.SLAV._STA] (Node 0xc27acc60), AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0175: *** Error: Method execution
failed [\_S
B_.PCI0.PX41.SECN.SLAV._STA] (Node 0xc27acc60), AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0440: *** Error: Handler for
[EmbeddedControl
] returned AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-1287: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0175: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0440: *** Error: Handler for
[EmbeddedControl
] returned AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-1287: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0175: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0440: *** Error: Handler for
[EmbeddedControl
] returned AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-1287: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0175: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0440: *** Error: Handler for
[EmbeddedControl
] returned AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-1287: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0175: *** Error: Method execution
failed [\_S
B_.PCI0.PX40.SIO_.FDC_.FDDA._STA] (Node 0xc27a98a0),
AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: pmtimer0 on isa0
Jan 28 23:52:31 jules kernel: orm0: <Option ROM> at iomem
0xc0000-0xcffff on isa
0
Jan 28 23:52:31 jules kernel: sc0: <System console> on isa0
Jan 28 23:52:31 jules kernel: sc0: VGA <16 virtual consoles,
flags=0x200>
Jan 28 23:52:31 jules kernel: vga0: <Generic ISA VGA> at port
0x3c0-0x3df iomem
0xa0000-0xbffff on isa0
Jan 28 23:52:31 jules kernel: sio0: reserved for low-level i/o
Jan 28 23:52:31 jules kernel: Timecounter "TSC" frequency 501139467 Hz
quality 8
00
Jan 28 23:52:31 jules kernel: Timecounters tick every 10.000 msec
Jan 28 23:52:31 jules kernel: acpi_cpu: throttling enabled, 8 steps
(100% to 12.
5%), currently 100.0%
Jan 28 23:52:31 jules kernel: wi0: <Lucent Technologies WaveLAN/IEEE> at
port 0x
100-0x13f irq 11 function 0 config 1 on pccard1
Jan 28 23:52:31 jules kernel: wi0: 802.11 address: 00:02:2d:08:72:ee
Jan 28 23:52:31 jules kernel: wi0: using Lucent Technologies,
WaveLAN/IEEE
Jan 28 23:52:31 jules kernel: wi0: Lucent Firmware: Station (6.6.1)
Jan 28 23:52:31 jules kernel: wi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
Jan 28 23:52:31 jules kernel: ad0: 24207MB <IBM-DARA-225000>
[49184/16/63] at at
a0-master UDMA33
Jan 28 23:52:31 jules kernel: acd0: DVDROM <TOSHIBA DVD-ROM SD-C2402> at
ata1-ma
ster UDMA33
Jan 28 23:52:31 jules kernel: Mounting root from ufs:/dev/ad0s4a
Jan 28 23:52:31 jules kernel: ACPI-0440: *** Error: Handler for
[EmbeddedControl
] returned AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-1287: *** Error: Method execution
failed [\_S
B_.BAT0._STA] (Node 0xc10cc860), AE_NO_HARDWARE_RESPONSE
Jan 28 23:52:31 jules kernel: ACPI-0175: *** Error: Method execution
failed [\_S
B_.BAT0._STA] (Node 0xc10cc860), AE_NO_HARDWARE_RESPONSE