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CSI is a submodule of IVSC which can route camera sensor data to the outbound MIPI CSI-2 interface. The interface communicating with firmware is via MEI. There is a separate MEI UUID, which this driver uses to enumerate. To route camera sensor data to host, the information of link frequency and number of data lanes is sent to firmware by sending MEI command when starting stream. CSI also provides a privacy mode. When privacy mode is turned on, camera sensor can't be used. This means that both IVSC and host Image Processing Unit(IPU) can't get image data. And when this mode is turned on, user is notified via v4l2 control callback. Link: https://lore.kernel.org/linux-media/20230803115550.1601965-2-sakari.ailus@linux.intel.com Signed-off-by: Wentong Wu <wentong.wu@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
12 lines
376 B
Plaintext
12 lines
376 B
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config IPU_BRIDGE
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tristate
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depends on I2C && ACPI
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help
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This is a helper module for the IPU bridge, which can be
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used by ipu3 and other drivers. In order to handle module
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dependencies, this is selected by each driver that needs it.
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source "drivers/media/pci/intel/ipu3/Kconfig"
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source "drivers/media/pci/intel/ivsc/Kconfig"
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