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drivers: video: add emulated Imager driver and RX driver

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Add a new implementation of a test pattern generator, with the same
architecture as real drivers: split receiver core and
I2C-controlled sub-device, with changes of video format in
"zephyr,emul-imager" leads to different data produced by
"zephyr,emul-rx".

Signed-off-by: Josuah Demangeon <me@josuah.net>
This commit is contained in:
Josuah Demangeon 2024-10-21 13:57:48 +00:00 • committed by Anas Nashif
commit 9e908b1b72
12 changed files with 1173 additions and 4 deletions
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18
drivers/video/Kconfig.emul_imager Normal file
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# Copyright (c) 2024 tinyVision.ai Inc.
# SPDX-License-Identifier: Apache-2.0
config VIDEO_EMUL_IMAGER
bool "Software implementation of an imager"
depends on DT_HAS_ZEPHYR_VIDEO_EMUL_IMAGER_ENABLED
default y
help
Enable driver for the emulated Imager.
config VIDEO_EMUL_IMAGER_FRAMEBUFFER_SIZE
int "Internal framebuffer size used for link emulation purpose"
default 4096
help
Configure the size of the internal framebuffer the emulated Imager
driver uses to simulate MIPI transfers. This is the first field of
dev->data, and the emulated video MIPI driver will `memcpy()` it
into the video buffer.