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Julian Andres Klode 0b1076c4b2 staging: nvec: Introduce new internal API for msg alloc/free 
Introduce two new functions nvec_msg_alloc() and nvec_msg_free()
that allocate and free message buffers from the internal pool
of messages.

Signed-off-by: Julian Andres Klode <jak@jak-linux.org>
Acked-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-09-29 17:40:40 -07:00
..
Kconfig staging: nvec: fix Kconfig dependencies 2011-09-29 17:40:40 -07:00
Makefile staging: nvec: add LED support 2011-09-29 17:40:38 -07:00
nvec-keytable.h staging: nvec: coding style fixes / add copyright notice 2011-09-29 17:40:37 -07:00
nvec.c staging: nvec: Introduce new internal API for msg alloc/free 2011-09-29 17:40:40 -07:00
nvec.h staging: nvec: Introduce new internal API for msg alloc/free 2011-09-29 17:40:40 -07:00
nvec_kbd.c staging: nvec: add LED support 2011-09-29 17:40:38 -07:00
nvec_leds.c staging: nvec: add LED support 2011-09-29 17:40:38 -07:00
nvec_power.c staging: nvec: coding style fixes / add copyright notice 2011-09-29 17:40:37 -07:00
nvec_ps2.c staging: nvec: coding style fixes / add copyright notice 2011-09-29 17:40:37 -07:00
README
TODO staging: nvec: update ToDo list 2011-09-29 17:40:39 -07:00

README 

NVEC: An NVidia compliant Embedded Controller Protocol Implemenation

This is an implementation of the NVEC protocol used to communicate with an
embedded controller (EC) via I2C bus. The EC is an I2C master while the host
processor is the I2C slave. Requests from the host processor to the EC are
started by triggering a gpio line.

There is no written documentation of the protocol available to the public,
but the source code[1] of the published nvec reference drivers can be a guide.
This driver is currently only used by the AC100 project[2], but it is likely,
that other Tegra boards (not yet mainlined, if ever) also use it.

[1] e.g. http://nv-tegra.nvidia.com/gitweb/?p=linux-2.6.git;a=tree;f=arch/arm/mach-tegra/nvec;hb=android-tegra-2.6.32
[2] http://gitorious.org/ac100, http://launchpad.net/ac100