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Author SHA1 Message Date
Sakari Ailus
5370a431ef mei: vsc: Rework firmware image names
Rework firmware image names with the users in mind---there's no need for
variation between firmware names, apart from connected sensors. All
supported SoCs use the same firmware, too.

Use a single set of firmware binaries and assume they'll be found under
intel/vsc directory.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Wentong Wu <wentong.wu@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231213094055.446611-1-sakari.ailus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-15 17:01:37 +01:00
Wentong Wu
566f5ca976 mei: Add transport driver for IVSC device
The Intel visual sensing controller (IVSC) device is designed to control
the camera sharing between host IPU for media usage and IVSC for context
sensing (face detection).

IVSC is exposed to HOST as an SPI device and the message protocol over
the SPI BUS for communicating with the IVSC device is implemented. This
is the backend of mei framework for IVSC device, which usually handles
the hardware data transfer. The mei_csi and mei_ace are the clients of
IVSC mei framework.

The firmware downloading for the IVSC device is implemented as well.

Signed-off-by: Wentong Wu <wentong.wu@intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Hao Yao <hao.yao@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/1701651344-20723-2-git-send-email-wentong.wu@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-07 11:41:40 +09:00