Hi!
> This probably should be marked as BROKEN because, according
> to David Woodhouse, EC-acccess method will change. Plus currently
> it lacks mutexes. So this driver is just for reference. Converted
> from the battery-2.6 repository, 1:1.
>
> But nevertheless it should work.
>
> Signed-off-by: Anton Vorontsov <[email protected]>
> ---
> drivers/power/Kconfig | 6 +
> drivers/power/Makefile | 1 +
> drivers/power/olpc_battery.c | 300 ++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 307 insertions(+), 0 deletions(-)
> create mode 100644 drivers/power/olpc_battery.c
>
> diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
> index 051724f..3ac79c3 100644
> --- a/drivers/power/Kconfig
> +++ b/drivers/power/Kconfig
> @@ -42,4 +42,10 @@ config BATTERY_PMU
> Say Y here to expose battery information on Apple machines
> through the generic battery class.
>
> +config BATTERY_OLPC
> + tristate "One Laptop Per Child battery"
> + depends on X86_32
> + help
> + Say Y to enable support for the battery on the $100 laptop.
> +
> endif # POWER_SUPPLY
> diff --git a/drivers/power/Makefile b/drivers/power/Makefile
> index 0ebdc6d..62b58ca 100644
> --- a/drivers/power/Makefile
> +++ b/drivers/power/Makefile
> @@ -19,3 +19,4 @@ obj-$(CONFIG_APM_POWER) += apm_power.o
>
> obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o
> obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o
> +obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o
> diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c
> new file mode 100644
> index 0000000..40f76bb
> --- /dev/null
> +++ b/drivers/power/olpc_battery.c
> @@ -0,0 +1,300 @@
> +/*
> + * Battery driver for One Laptop Per Child ($100 laptop) board.
> + *
> + * Copyright ?? 2006 David Woodhouse <[email protected]>
Can we stick to ascii in sources?
> +#define wBAT_VOLTAGE 0xf900 /* *9.76/32, mV */
> +#define wBAT_CURRENT 0xf902 /* *15.625/120, mA */
> +#define wBAT_TEMP 0xf906 /* *256/1000, ??C */
> +#define wAMB_TEMP 0xf908 /* *256/1000, ??C */
Ascii? And those defines seem affected by hungarian convention.
> +#define sMBAT_STATUS 0xfaa4
> +#define sBAT_PRESENT 1
> +#define sBAT_FULL 2
> +#define sBAT_DESTROY 4 /* what is this exactly? */
> +#define sBAT_LOW 32
> +#define sBAT_DISCHG 64
> +#define sMCHARGE_STATUS 0xfaa5
> +#define sBAT_CHARGE 1
> +#define sBAT_OVERTEMP 4
> +#define sBAT_NiMH 8
> +#define sPOWER_FLAG 0xfa40
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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