X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=Documentation%2Fsonypi.txt;h=0f3b2405d09edf30c1f0251ce4c7e51d63e960f1;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=03f9eda84cf4c1c189572a1941e871ebf0e87c7b;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git diff --git a/Documentation/sonypi.txt b/Documentation/sonypi.txt index 03f9eda84..0f3b2405d 100644 --- a/Documentation/sonypi.txt +++ b/Documentation/sonypi.txt @@ -1,6 +1,6 @@ Sony Programmable I/O Control Device Driver Readme -------------------------------------------------- - Copyright (C) 2001-2003 Stelian Pop + Copyright (C) 2001-2004 Stelian Pop Copyright (C) 2001-2002 Alcôve Copyright (C) 2001 Michael Ashley Copyright (C) 2001 Junichi Morita @@ -23,16 +23,18 @@ generate, like: Those events (see linux/sonypi.h) can be polled using the character device node /dev/sonypi (major 10, minor auto allocated or specified as a option). - A simple daemon which translates the jogdial movements into mouse wheel events can be downloaded at: +Another option to intercept the events is to get them directly through the +input layer. + This driver supports also some ioctl commands for setting the LCD screen -brightness and querying the batteries charge information (some more +brightness and querying the batteries charge information (some more commands may be added in the future). This driver can also be used to set the camera controls on Picturebook series -(brightness, contrast etc), and is used by the video4linux driver for the +(brightness, contrast etc), and is used by the video4linux driver for the Motion Eye camera. Please note that this driver was created by reverse engineering the Windows @@ -42,15 +44,12 @@ specs for its laptops. If someone convinces them to do so, drop me a note. Driver options: --------------- -Several options can be passed to the sonypi driver, either by adding them -to /etc/modprobe.conf file, when the driver is compiled as a module or by -adding the following to the kernel command line (in your bootloader): - - sonypi=minor[,verbose[,fnkeyinit[,camera[,compat[,mask[,useinput]]]]]] +Several options can be passed to the sonypi driver using the standard +module argument syntax (= when passing the option to the +module or sonypi.= on the kernel boot line when sonypi is +statically linked into the kernel). Those options are: -where: - - minor: minor number of the misc device /dev/sonypi, + minor: minor number of the misc device /dev/sonypi, default is -1 (automatic allocation, see /proc/misc or kernel logs) @@ -62,14 +61,14 @@ where: get enabled unless you set this parameter to 1. Do not use this option unless it's actually necessary, some Vaio models don't deal well with this option. - This option is available only if the kernel is + This option is available only if the kernel is compiled without ACPI support (since it conflicts - with it and it shouldn't be required anyway if + with it and it shouldn't be required anyway if ACPI is already enabled). - verbose: set to 1 to print unknown events received from the + verbose: set to 1 to print unknown events received from the sonypi device. - set to 2 to print all events received from the + set to 2 to print all events received from the sonypi device. compat: uses some compatibility code for enabling the sonypi @@ -78,14 +77,15 @@ where: add this option and report to the author. mask: event mask telling the driver what events will be - reported to the user. This parameter is required for some - Vaio models where the hardware reuses values used in - other Vaio models (like the FX series who does not - have a jogdial but reuses the jogdial events for + reported to the user. This parameter is required for + some Vaio models where the hardware reuses values + used in other Vaio models (like the FX series who does + not have a jogdial but reuses the jogdial events for programmable keys events). The default event mask is - set to 0xffffffff, meaning that all possible events will be - tried. You can use the following bits to construct - your own event mask (from drivers/char/sonypi.h): + set to 0xffffffff, meaning that all possible events + will be tried. You can use the following bits to + construct your own event mask (from + drivers/char/sonypi.h): SONYPI_JOGGER_MASK 0x0001 SONYPI_CAPTURE_MASK 0x0002 SONYPI_FNKEY_MASK 0x0004 @@ -100,10 +100,10 @@ where: SONYPI_MEMORYSTICK_MASK 0x0800 SONYPI_BATTERY_MASK 0x1000 - useinput: if set (which is the default) jogdial events are - forwarded to the input subsystem as mouse wheel - events. - + useinput: if set (which is the default) two input devices are + created, one which interprets the jogdial events as + mouse events, the other one which acts like a + keyboard reporting the pressing of the special keys. Module use: ----------- @@ -126,17 +126,17 @@ Bugs: external monitor on/off. There is no workaround yet, since this driver disables all APM management for those keys, by enabling the ACPI management (and the ACPI core stuff is not complete yet). If - you have one of those laptops with working Fn keys and want to + you have one of those laptops with working Fn keys and want to continue to use them, don't use this driver. - some users reported that the laptop speed is lower (dhrystone tested) when using the driver with the fnkeyinit parameter. I cannot reproduce it on my laptop and not all users have this problem. - This happens because the fnkeyinit parameter enables the ACPI - mode (but without additional ACPI control, like processor + This happens because the fnkeyinit parameter enables the ACPI + mode (but without additional ACPI control, like processor speed handling etc). Use ACPI instead of APM if it works on your laptop. - + - since all development was done by reverse engineering, there is _absolutely no guarantee_ that this driver will not crash your laptop. Permanently.