On Mon, Nov 15, 2010 at 5:11 AM, <[email protected]> wrote:
> Once again: thanks a lot, this is great news!
>
> Since your last update I have been busy rolling kernels with the
> updated sources but soon suspended my efforts when I felt that the
> Gdium was overheating due to lm_sensors not being functional and thus
> fancontrol not operating the fan.
>
>
> One question remains: now that the 'master' branch has been updated
> with improved gdium support, is the 'gdium' branch deprecated?
>
Yes, I will drop the /dev/gdium branch.
Regards,
Wu Zhangjin
>
> On 01:12 15 Nov 10, wu zhangjin wrote:
>> Hi, all
>>
>> New status of linux-loongson-community for Gdium:
>>
>> Sensors, Backlight, Function/Hotkey, AC/battery drivers work with
>> arch/mips/configs/gdium_small_defconfig, but sound and pm/suspend
>> still not work.
>>
>> 1. Sensors
>>
>> lm75 driver must be enabled as y or m, then you can use 'sensors'
>> command to get the board(or cpu? not sure) temperature.
>>
>> 2. Backlight
>>
>> pwm_backlight common driver(CONFIG_BACKLIGHT_PWM) must be enabled as y
>> or m, then you can use kpowersave or gnome-power-manager to change the
>> backlight, or you can use the interface
>> /sys/class/backlight/pwm-backlight/brightness directly.
>>
>> 3. Function/Hotkey drivers(include hid-gdium and gdium_laptop)
>>
>> All of the Fn key should work now(except the ones for the volume/mute
>> changing).
>>
>> CONFIG_HID_GDIUM and CONFIG_GDIUM_LAPTOP must be enabled as y or m.
>>
>> With the help of function key, you can change the backlight via Fn+F8/F9.
>>
>> More function key maps are defined as follows:
>>
>> drivers/hid/hid-gdium.c:
>>
>> { KEY_F1, KEY_CAMERA },
>> { KEY_F2, KEY_CONNECT },
>> { KEY_F3, KEY_MUTE },
>> { KEY_F4, KEY_VOLUMEUP},
>> { KEY_F5, KEY_VOLUMEDOWN },
>> { KEY_F6, KEY_SWITCHVIDEOMODE },
>> { KEY_F7, KEY_F19 }, /* F7+12. Have to use existant keycodes */
>> { KEY_F8, KEY_BRIGHTNESSUP },
>> { KEY_F9, KEY_BRIGHTNESSDOWN },
>> { KEY_F10, KEY_SLEEP },
>> { KEY_F11, KEY_PROG1 },
>> { KEY_F12, KEY_PROG2 },
>> { KEY_UP, KEY_PAGEUP },
>> { KEY_DOWN, KEY_PAGEDOWN },
>> { KEY_INSERT, KEY_NUMLOCK },
>> { KEY_DELETE, KEY_SCROLLLOCK },
>> { KEY_T, KEY_STOPCD },
>> { KEY_F, KEY_PREVIOUSSONG },
>> { KEY_H, KEY_NEXTSONG },
>> { KEY_G, KEY_PLAYPAUSE },
>>
>> 4. AC/Battery driver
>>
>> gdium_laptop also provides a AC/battery driver, which can be used to
>> monitor the AC/Battery working status, but the battery driver need to
>> be improved to provide the information of
>> POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW and
>> POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, I have done some statistic on the
>> time to empty and full, will get a formula for it later.
>>
>> -------------
>>
>> BTW:
>>
>> 1. I have no time to work on the left sound and pm drivers in the next
>> 2 or 3 months, so, If you folks have interest or time, welcome your
>> patches, thanks in advance.
>>
>> 2. Some notes to forward-port the sound and pm drivers:
>>
>> 2.1. sound driver
>>
>> may need to port the following three patches:
>>
>> SM501 ASoC driver // You can search these patches after issuing
>> "git log", the same to the following ones
>> gdium_sound_fixes.patch
>> GB36_sm502_mfd_rewrite.patch
>>
>> from
>>
>> git://git.opensde.net/users/amery/linux-2.6.29-gdium
>>
>> But simply copy them from the above git repo to our git repo will not
>> work for the mainline has changed some sound APIs, please refer to the
>> "ASoC: multi-component - ASoC Multi-Component Support" commit of the
>> mainline and the other implementations under sound/soc/
>>
>> 2.2 pm/suspend driver
>>
>> may need to port "stl2_suspend2.patch" from
>> git://git.opensde.net/users/amery/linux-2.6.29-gdium, but please check
>> the potential conflict between it and the mainline:
>> arch/mips/loongson/common/pm.c, arch/mips/power/
>>
>> And to enable the cpufreq driver support for Gdium, the sm501-pwm
>> based external timer should be enabled, therefore, we may need to port
>> "gdium_clock.patch", to make it work normally with cpufreq, its
>> oneshot mode must be fixed at first.
>>
>> Best Regards,
>> Wu Zhangjin
>>
>> On Tue, Nov 9, 2010 at 1:08 PM, wu zhangjin <[email protected]> wrote:
>> > Hi, mengqian & all
>> >
>> > Sorry for my late response.
>> >
>> > Based on the previous work of Arnaud Patard[1] and Yajin[2], just
>> > finished a basic 2.6.37 support(pci, irq, reset, video) for Gdium and
>> > pushed it into our master branch[3], two default config files has been
>> > added:
>> >
>> > arch/mips/configs/gdium_{minimal,small}_defconfig
>> >
>> > The minimal one is prepared for the rescue/recover system, the small
>> > one can be used for desktop or development.
>> >
>> > With anyone of the above config files, the kernel is bootable, the
>> > later enabled more supports(wireless), if you need more drivers,
>> > please refer to arch/mips/configs/lemote2f_defconfig.
>> >
>> > To boot the kernel, you may need to install the modules into the
>> > board's /lib/modules and copy the vmlinuz or vmlinux to the board's
>> > /boot, and then, config the pmon(bootloader) environment variables and
>> > boot with the new kernel:
>> >
>> > 1. Enter into the PMON commandline
>> >
>> > power on your board, and press the 'C' key till you get the following
>> > prompt.
>> >
>> > PMON>
>> >
>> > 2. Set the path to the kernel image in the "al" environment variable
>> >
>> > // take a look at the existing environment variables
>> > PMON> env
>> > // or take a look at an indicated environment variable: al
>> > PMON> env al
>> > // backup the old al
>> > PMON> set old_al $al
>> > // set the new al, assume your kernel image(vmlinuz-2.6.37) is put at
>> > the 2nd partition of your usb storage
>> > PMON> set al /dev/fs/e...@usbg0/boot/vmlinuz-2.6.37
>> >
>> > 3. Set the kernel command line parameters in "karg"
>> >
>> > PMON> env karg
>> > PMON> set old_karg $karg
>> > // Assume your root filesystem is at the 2nd partition of your usb storage
>> > PMON> set kargs "console=tty1 root=/dev/sda2 rootwait init=/sbin/finit-mdv"
>> >
>> > 4. Load & Boot
>> >
>> > // Load the kernel image
>> > PMON> load $al
>> > // Boot it
>> > PMON> g $karg
>> >
>> > If you want to load a kernel image from the tftp server, please enable
>> > the network connection via the bootloader at first.
>> >
>> > PMON> devls
>> > ...
>> > rtl0
>> > PMON> set ifconfig rtl0:<local_ip_addresss> // for example: set
>> > ifconfig rtl0:192.168.0.131
>> > PMON> load tftp://<tftp_server_ip_address>/path/to/tftpboot/vmlinuz
>> > ....
>> >
>> > To get more information about gdium, PMON and the available systems on
>> > it, please refer to [4].
>> >
>> > More efforts are needed to forward-port the following supports from
>> > 2.6.29[3] to 2.6.37:
>> >
>> > The EC support(hotkey, battery ...) from
>> > drivers/platform/mips/gdium-laptop.c (seems no big change)
>> > The sm501 based sound support from sound/soc/sm501 (may need enough
>> > effort for the mainline has changed a lot)
>> > The pm support(mainly "suspend to RAM") from
>> > arch/mips/lemote/lm2f/*pm* (stl2_suspend2.patch, this may be hard too
>> > but should be easy for basic pm support, the Hibernation should be
>> > usable currently.)
>> >
>> > Currently, I have no schedule to work on them, but I hope they may be
>> > available one by one in the coming 3 ~ 6 weeks, which means 2.6.37 in
>> > our linux-loongson-community git repository.
>> >
>> > Best Regards,
>> > Wu Zhangjin
>> > ------
>> > [1] git://git.opensde.net/users/amery/linux-2.6.29-gdium
>> > [2] http://repo.or.cz/w/linux-2.6/linux-mips/linux-gdium.git (2.6.35-rc2)
>> > [3] http://dev.lemote.com/code/linux-loongson-community
>> > [4] More
>> > [4.1] FAQ
>> > http://www.gdium.com/en/support/faq
>> > [4.2] How to Install Debian Lenny on Gdium
>> > http://vm-kernel.org/blog/2009/03/20/how-to-install-debian-lenny-on-gdium/
>> > [4.3] PMON
>> > http://olph.gdium.com/wiki/doku.php/system:pmon
>> >
>> > On Wed, Oct 20, 2010 at 7:34 PM, 包孟謙 <[email protected]> wrote:
>> >> This is a question mainly for Gdium owners, but all input is welcome.
>> >>
>> >> Did anyone successfully manage to (compile and) run a more recent
>> >> kernel thatn 2.6.29... (from Mandriva's G-linux) on his/her Gdium?
>> >>
>> >> Even if proper support for audio and hotkeys is not ported, I am
>> >> considering compiling a kernel from newer sources so I could update
>> >> udev, include Huawei K3765 support, etc.
>> >>
>> >> In theory, I believe, the Yeelong sources should be compatible (except
>> >> for the Gdium specific hotkeys, audio). The Gdium lacks the VIA
>> >> southbridge but I do not think that should be a problem.
>> >>
>> >> Does anyone have any experience with experimenting with "Yeelong"
>> >> kernels on the Gdium?
>> >>
>> >> Please let me know.
>> >>
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>> >>
>> >>
>> >
>>
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