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media: i2c: isl7998x: Add driver for Intersil ISL7998x

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Add driver for the Intersil ISL7998x Analog to MIPI CSI-2/BT656 decoder.
This chip supports 1/2/4 analog video inputs and converts them into
1/2/4 VCs in MIPI CSI2 stream.

This driver currently supports ISL79987 and both 720x480 and 720x576
resolutions, however as per specification, all inputs must use the
same resolution and standard. The only supported pixel format is now
YUYV/YUV422. The chip should support RGB565 on the CSI2 as well, but
this is currently unsupported.

Signed-off-by: Marek Vasut <[email protected]>
Cc: Sakari Ailus <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: Rob Herring <[email protected]>
To: [email protected]
Signed-off-by: Michael Tretter <[email protected]>
Acked-by: Hans Verkuil <[email protected]>
[Sakari Ailus: Always call pm_runtime_get_and_resume in pre_streamon]
Signed-off-by: Sakari Ailus <[email protected]>
This commit is contained in:
Marek Vasut authored and Sakari Ailus committed 2022-03-04 00:27:10 +02:00
1 parent f0fb332810
commit 51ef2be546
5 files changed
+1653
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MAINTAINERS
+8
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@@ -10006,6 +10006,14 @@ L: [email protected]
F: Documentation/devicetree/bindings/counter/interrupt-counter.yaml
F: drivers/counter/interrupt-cnt.c
INTERSIL ISL7998X VIDEO DECODER DRIVER
M: Michael Tretter <[email protected]>
R: Pengutronix Kernel Team <[email protected]>
L: [email protected]
S: Maintained
F: Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml
F: drivers/media/i2c/isl7998x.c
INVENSENSE ICM-426xx IMU DRIVER
M: Jean-Baptiste Maneyrol <[email protected]>
L: [email protected]
drivers/media/i2c/Kconfig
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@@ -325,6 +325,16 @@ config VIDEO_BT866
To compile this driver as a module, choose M here: the
module will be called bt866.
config VIDEO_ISL7998X
tristate "Intersil ISL7998x video decoder"
depends on VIDEO_V4L2 && I2C
depends on OF_GPIO
select MEDIA_CONTROLLER
select VIDEO_V4L2_SUBDEV_API
help
Support for Intersil ISL7998x analog to MIPI-CSI2 or
BT.656 decoder.
config VIDEO_KS0127
tristate "KS0127 video decoder"
depends on VIDEO_V4L2 && I2C
drivers/media/i2c/Makefile
+1
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@@ -134,6 +134,7 @@ obj-$(CONFIG_VIDEO_IMX334) += imx334.o
obj-$(CONFIG_VIDEO_IMX335) += imx335.o
obj-$(CONFIG_VIDEO_IMX355) += imx355.o
obj-$(CONFIG_VIDEO_IMX412) += imx412.o
obj-$(CONFIG_VIDEO_ISL7998X) += isl7998x.o
obj-$(CONFIG_VIDEO_MAX9286) += max9286.o
obj-$(CONFIG_VIDEO_MAX9271_LIB) += max9271.o
obj-$(CONFIG_VIDEO_RDACM20) += rdacm20.o
drivers/media/i2c/isl7998x.c
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include/uapi/linux/v4l2-controls.h
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@@ -219,6 +219,12 @@ enum v4l2_colorfx {
*/
#define V4L2_CID_USER_ALLEGRO_BASE (V4L2_CID_USER_BASE + 0x1170)
/*
* The base for the isl7998x driver controls.
* We reserve 16 controls for this driver.
*/
#define V4L2_CID_USER_ISL7998X_BASE (V4L2_CID_USER_BASE + 0x1180)
/* MPEG-class control IDs */
/* The MPEG controls are applicable to all codec controls
* and the 'MPEG' part of the define is historical */