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-rw-r--r--drivers/media/i2c/Kconfig271
-rw-r--r--drivers/media/i2c/Makefile1
-rw-r--r--drivers/media/i2c/cx25840/Kconfig2
-rw-r--r--drivers/media/i2c/et8ek8/Kconfig2
-rw-r--r--drivers/media/i2c/imx214.c10
-rw-r--r--drivers/media/i2c/m5mols/Kconfig2
-rw-r--r--drivers/media/i2c/ov2659.c8
-rw-r--r--drivers/media/i2c/ov6650.c43
-rw-r--r--drivers/media/i2c/ov7670.c32
-rw-r--r--drivers/media/i2c/ov7740.c28
-rw-r--r--drivers/media/i2c/smiapp/Kconfig2
-rw-r--r--drivers/media/i2c/st-mipid02.c1033
12 files changed, 1271 insertions, 163 deletions
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 6d32f8dcf83b..7793358ab8b3 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -8,7 +8,7 @@ config VIDEO_IR_I2C
tristate "I2C module for IR" if !MEDIA_SUBDRV_AUTOSELECT
depends on I2C && RC_CORE
default y
- ---help---
+ help
Most boards have an IR chip directly connected via GPIO. However,
some video boards have the IR connected via I2C bus.
@@ -29,7 +29,7 @@ comment "Audio decoders, processors and mixers"
config VIDEO_TVAUDIO
tristate "Simple audio decoder chips"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for several audio decoder chips found on some bt8xx boards:
Philips: tda9840, tda9873h, tda9874h/a, tda9850, tda985x, tea6300,
tea6320, tea6420, tda8425, ta8874z.
@@ -41,7 +41,7 @@ config VIDEO_TVAUDIO
config VIDEO_TDA7432
tristate "Philips TDA7432 audio processor"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for tda7432 audio decoder chip found on some bt8xx boards.
To compile this driver as a module, choose M here: the
@@ -50,7 +50,7 @@ config VIDEO_TDA7432
config VIDEO_TDA9840
tristate "Philips TDA9840 audio processor"
depends on I2C
- ---help---
+ help
Support for tda9840 audio decoder chip found on some Zoran boards.
To compile this driver as a module, choose M here: the
@@ -60,9 +60,10 @@ config VIDEO_TDA1997X
tristate "NXP TDA1997x HDMI receiver"
depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
depends on SND_SOC
- select SND_PCM
select HDMI
- ---help---
+ select SND_PCM
+ select V4L2_FWNODE
+ help
V4L2 subdevice driver for the NXP TDA1997x HDMI receivers.
To compile this driver as a module, choose M here: the
@@ -71,7 +72,7 @@ config VIDEO_TDA1997X
config VIDEO_TEA6415C
tristate "Philips TEA6415C audio processor"
depends on I2C
- ---help---
+ help
Support for tea6415c audio decoder chip found on some bt8xx boards.
To compile this driver as a module, choose M here: the
@@ -80,7 +81,7 @@ config VIDEO_TEA6415C
config VIDEO_TEA6420
tristate "Philips TEA6420 audio processor"
depends on I2C
- ---help---
+ help
Support for tea6420 audio decoder chip found on some bt8xx boards.
To compile this driver as a module, choose M here: the
@@ -89,7 +90,7 @@ config VIDEO_TEA6420
config VIDEO_MSP3400
tristate "Micronas MSP34xx audio decoders"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Micronas MSP34xx series of audio decoders.
To compile this driver as a module, choose M here: the
@@ -98,7 +99,7 @@ config VIDEO_MSP3400
config VIDEO_CS3308
tristate "Cirrus Logic CS3308 audio ADC"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Cirrus Logic CS3308 High Performance 8-Channel
Analog Volume Control
@@ -108,7 +109,7 @@ config VIDEO_CS3308
config VIDEO_CS5345
tristate "Cirrus Logic CS5345 audio ADC"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Cirrus Logic CS5345 24-bit, 192 kHz
stereo A/D converter.
@@ -118,7 +119,7 @@ config VIDEO_CS5345
config VIDEO_CS53L32A
tristate "Cirrus Logic CS53L32A audio ADC"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Cirrus Logic CS53L32A low voltage
stereo A/D converter.
@@ -128,7 +129,7 @@ config VIDEO_CS53L32A
config VIDEO_TLV320AIC23B
tristate "Texas Instruments TLV320AIC23B audio codec"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Texas Instruments TLV320AIC23B audio codec.
To compile this driver as a module, choose M here: the
@@ -137,7 +138,7 @@ config VIDEO_TLV320AIC23B
config VIDEO_UDA1342
tristate "Philips UDA1342 audio codec"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Philips UDA1342 audio codec.
To compile this driver as a module, choose M here: the
@@ -146,7 +147,7 @@ config VIDEO_UDA1342
config VIDEO_WM8775
tristate "Wolfson Microelectronics WM8775 audio ADC with input mixer"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Wolfson Microelectronics WM8775 high
performance stereo A/D Converter with a 4 channel input mixer.
@@ -156,7 +157,7 @@ config VIDEO_WM8775
config VIDEO_WM8739
tristate "Wolfson Microelectronics WM8739 stereo audio ADC"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Wolfson Microelectronics WM8739
stereo A/D Converter.
@@ -166,7 +167,7 @@ config VIDEO_WM8739
config VIDEO_VP27SMPX
tristate "Panasonic VP27's internal MPX"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the internal MPX of the Panasonic VP27s tuner.
To compile this driver as a module, choose M here: the
@@ -200,7 +201,7 @@ comment "Video decoders"
config VIDEO_ADV7180
tristate "Analog Devices ADV7180 decoder"
depends on GPIOLIB && VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
- ---help---
+ help
Support for the Analog Devices ADV7180 video decoder.
To compile this driver as a module, choose M here: the
@@ -209,7 +210,7 @@ config VIDEO_ADV7180
config VIDEO_ADV7183
tristate "Analog Devices ADV7183 decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
V4l2 subdevice driver for the Analog Devices
ADV7183 video decoder.
@@ -221,7 +222,8 @@ config VIDEO_ADV748X
depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
depends on OF
select REGMAP_I2C
- ---help---
+ select V4L2_FWNODE
+ help
V4L2 subdevice driver for the Analog Devices
ADV7481 and ADV7482 HDMI/Analog video decoders.
@@ -234,7 +236,7 @@ config VIDEO_ADV7604
depends on GPIOLIB || COMPILE_TEST
select HDMI
select V4L2_FWNODE
- ---help---
+ help
Support for the Analog Devices ADV7604 video decoder.
This is a Analog Devices Component/Graphics Digitizer
@@ -247,7 +249,7 @@ config VIDEO_ADV7604_CEC
bool "Enable Analog Devices ADV7604 CEC support"
depends on VIDEO_ADV7604
select CEC_CORE
- ---help---
+ help
When selected the adv7604 will support the optional
HDMI CEC feature.
@@ -255,7 +257,7 @@ config VIDEO_ADV7842
tristate "Analog Devices ADV7842 decoder"
depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
select HDMI
- ---help---
+ help
Support for the Analog Devices ADV7842 video decoder.
This is a Analog Devices Component/Graphics/SD Digitizer
@@ -268,14 +270,14 @@ config VIDEO_ADV7842_CEC
bool "Enable Analog Devices ADV7842 CEC support"
depends on VIDEO_ADV7842
select CEC_CORE
- ---help---
+ help
When selected the adv7842 will support the optional
HDMI CEC feature.
config VIDEO_BT819
tristate "BT819A VideoStream decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for BT819A video decoder.
To compile this driver as a module, choose M here: the
@@ -284,7 +286,7 @@ config VIDEO_BT819
config VIDEO_BT856
tristate "BT856 VideoStream decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for BT856 video decoder.
To compile this driver as a module, choose M here: the
@@ -293,7 +295,7 @@ config VIDEO_BT856
config VIDEO_BT866
tristate "BT866 VideoStream decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for BT866 video decoder.
To compile this driver as a module, choose M here: the
@@ -302,7 +304,7 @@ config VIDEO_BT866
config VIDEO_KS0127
tristate "KS0127 video decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for KS0127 video decoder.
This chip is used on AverMedia AVS6EYES Zoran-based MJPEG
@@ -314,53 +316,16 @@ config VIDEO_KS0127
config VIDEO_ML86V7667
tristate "OKI ML86V7667 video decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the OKI Semiconductor ML86V7667 video decoder.
To compile this driver as a module, choose M here: the
module will be called ml86v7667.
-config VIDEO_AD5820
- tristate "AD5820 lens voice coil support"
- depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
- ---help---
- This is a driver for the AD5820 camera lens voice coil.
- It is used for example in Nokia N900 (RX-51).
-
-config VIDEO_AK7375
- tristate "AK7375 lens voice coil support"
- depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
- depends on VIDEO_V4L2_SUBDEV_API
- help
- This is a driver for the AK7375 camera lens voice coil.
- AK7375 is a 12 bit DAC with 120mA output current sink
- capability. This is designed for linear control of
- voice coil motors, controlled via I2C serial interface.
-
-config VIDEO_DW9714
- tristate "DW9714 lens voice coil support"
- depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
- depends on VIDEO_V4L2_SUBDEV_API
- ---help---
- This is a driver for the DW9714 camera lens voice coil.
- DW9714 is a 10 bit DAC with 120mA output current sink
- capability. This is designed for linear control of
- voice coil motors, controlled via I2C serial interface.
-
-config VIDEO_DW9807_VCM
- tristate "DW9807 lens voice coil support"
- depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
- depends on VIDEO_V4L2_SUBDEV_API
- ---help---
- This is a driver for the DW9807 camera lens voice coil.
- DW9807 is a 10 bit DAC with 100mA output current sink
- capability. This is designed for linear control of
- voice coil motors, controlled via I2C serial interface.
-
config VIDEO_SAA7110
tristate "Philips SAA7110 video decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Philips SAA7110 video decoders.
To compile this driver as a module, choose M here: the
@@ -369,7 +334,7 @@ config VIDEO_SAA7110
config VIDEO_SAA711X
tristate "Philips SAA7111/3/4/5 video decoders"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Philips SAA7111/3/4/5 video decoders.
To compile this driver as a module, choose M here: the
@@ -380,7 +345,7 @@ config VIDEO_TC358743
depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
select HDMI
select V4L2_FWNODE
- ---help---
+ help
Support for the Toshiba TC358743 HDMI to MIPI CSI-2 bridge.
To compile this driver as a module, choose M here: the
@@ -390,7 +355,7 @@ config VIDEO_TC358743_CEC
bool "Enable Toshiba TC358743 CEC support"
depends on VIDEO_TC358743
select CEC_CORE
- ---help---
+ help
When selected the tc358743 will support the optional
HDMI CEC feature.
@@ -398,7 +363,7 @@ config VIDEO_TVP514X
tristate "Texas Instruments TVP514x video decoder"
depends on VIDEO_V4L2 && I2C
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the TI TVP5146/47
decoder. It is currently working with the TI OMAP3 camera
controller.
@@ -410,7 +375,7 @@ config VIDEO_TVP5150
tristate "Texas Instruments TVP5150 video decoder"
depends on VIDEO_V4L2 && I2C
select V4L2_FWNODE
- ---help---
+ help
Support for the Texas Instruments TVP5150 video decoder.
To compile this driver as a module, choose M here: the
@@ -420,7 +385,7 @@ config VIDEO_TVP7002
tristate "Texas Instruments TVP7002 video decoder"
depends on VIDEO_V4L2 && I2C
select V4L2_FWNODE
- ---help---
+ help
Support for the Texas Instruments TVP7002 video decoder.
To compile this driver as a module, choose M here: the
@@ -429,7 +394,7 @@ config VIDEO_TVP7002
config VIDEO_TW2804
tristate "Techwell TW2804 multiple video decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Techwell tw2804 multiple video decoder.
To compile this driver as a module, choose M here: the
@@ -438,7 +403,7 @@ config VIDEO_TW2804
config VIDEO_TW9903
tristate "Techwell TW9903 video decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Techwell tw9903 multi-standard video decoder
with high quality down scaler.
@@ -448,7 +413,7 @@ config VIDEO_TW9903
config VIDEO_TW9906
tristate "Techwell TW9906 video decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Techwell tw9906 enhanced multi-standard comb filter
video decoder with YCbCr input support.
@@ -458,7 +423,7 @@ config VIDEO_TW9906
config VIDEO_TW9910
tristate "Techwell TW9910 video decoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for Techwell TW9910 NTSC/PAL/SECAM video decoder.
To compile this driver as a module, choose M here: the
@@ -467,7 +432,7 @@ config VIDEO_TW9910
config VIDEO_VPX3220
tristate "vpx3220a, vpx3216b & vpx3214c video decoders"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for VPX322x video decoders.
To compile this driver as a module, choose M here: the
@@ -478,7 +443,7 @@ comment "Video and audio decoders"
config VIDEO_SAA717X
tristate "Philips SAA7171/3/4 audio/video decoders"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Philips SAA7171/3/4 audio/video decoders.
To compile this driver as a module, choose M here: the
@@ -491,7 +456,7 @@ comment "Video encoders"
config VIDEO_SAA7127
tristate "Philips SAA7127/9 digital video encoders"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Philips SAA7127/9 digital video encoders.
To compile this driver as a module, choose M here: the
@@ -500,7 +465,7 @@ config VIDEO_SAA7127
config VIDEO_SAA7185
tristate "Philips SAA7185 video encoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Philips SAA7185 video encoder.
To compile this driver as a module, choose M here: the
@@ -509,7 +474,7 @@ config VIDEO_SAA7185
config VIDEO_ADV7170
tristate "Analog Devices ADV7170 video encoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Analog Devices ADV7170 video encoder driver
To compile this driver as a module, choose M here: the
@@ -518,7 +483,7 @@ config VIDEO_ADV7170
config VIDEO_ADV7175
tristate "Analog Devices ADV7175 video encoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Analog Devices ADV7175 video encoder driver
To compile this driver as a module, choose M here: the
@@ -546,7 +511,7 @@ config VIDEO_ADV7511
tristate "Analog Devices ADV7511 encoder"
depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
select HDMI
- ---help---
+ help
Support for the Analog Devices ADV7511 video encoder.
This is a Analog Devices HDMI transmitter.
@@ -558,14 +523,14 @@ config VIDEO_ADV7511_CEC
bool "Enable Analog Devices ADV7511 CEC support"
depends on VIDEO_ADV7511
select CEC_CORE
- ---help---
+ help
When selected the adv7511 will support the optional
HDMI CEC feature.
config VIDEO_AD9389B
tristate "Analog Devices AD9389B encoder"
depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
- ---help---
+ help
Support for the Analog Devices AD9389B video encoder.
This is a Analog Devices HDMI transmitter.
@@ -582,7 +547,7 @@ config VIDEO_AK881X
config VIDEO_THS8200
tristate "Texas Instruments THS8200 video encoder"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Texas Instruments THS8200 video encoder.
To compile this driver as a module, choose M here: the
@@ -612,7 +577,7 @@ config VIDEO_IMX258
tristate "Sony IMX258 sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a Video4Linux2 sensor driver for the Sony
IMX258 camera.
@@ -624,7 +589,7 @@ config VIDEO_IMX274
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
select REGMAP_I2C
- ---help---
+ help
This is a V4L2 sensor driver for the Sony IMX274
CMOS image sensor.
@@ -666,7 +631,7 @@ config VIDEO_OV2659
depends on VIDEO_V4L2 && I2C
depends on MEDIA_CAMERA_SUPPORT
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV2659 camera.
@@ -678,7 +643,7 @@ config VIDEO_OV2680
depends on VIDEO_V4L2 && I2C && MEDIA_CONTROLLER
depends on MEDIA_CAMERA_SUPPORT
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV2680 camera.
@@ -690,7 +655,7 @@ config VIDEO_OV2685
depends on VIDEO_V4L2 && I2C && MEDIA_CONTROLLER
depends on MEDIA_CAMERA_SUPPORT
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV2685 camera.
@@ -703,7 +668,7 @@ config VIDEO_OV5640
depends on GPIOLIB && VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the Omnivision
OV5640 camera sensor with a MIPI CSI-2 interface.
@@ -713,7 +678,7 @@ config VIDEO_OV5645
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV5645 camera.
@@ -725,7 +690,7 @@ config VIDEO_OV5647
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV5647 camera.
@@ -736,7 +701,7 @@ config VIDEO_OV6650
tristate "OmniVision OV6650 sensor support"
depends on I2C && VIDEO_V4L2
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV6650 camera.
@@ -749,7 +714,7 @@ config VIDEO_OV5670
depends on MEDIA_CAMERA_SUPPORT
depends on MEDIA_CONTROLLER
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV5670 camera.
@@ -760,7 +725,7 @@ config VIDEO_OV5695
tristate "OmniVision OV5695 sensor support"
depends on I2C && VIDEO_V4L2
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV5695 camera.
@@ -784,7 +749,7 @@ config VIDEO_OV772X
depends on I2C && VIDEO_V4L2
depends on MEDIA_CAMERA_SUPPORT
select REGMAP_SCCB
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV772x camera.
@@ -795,7 +760,7 @@ config VIDEO_OV7640
tristate "OmniVision OV7640 sensor support"
depends on I2C && VIDEO_V4L2
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV7640 camera.
@@ -807,7 +772,7 @@ config VIDEO_OV7670
depends on I2C && VIDEO_V4L2
depends on MEDIA_CAMERA_SUPPORT
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV7670 VGA camera. It currently only works with the M88ALP01
controller.
@@ -816,7 +781,7 @@ config VIDEO_OV7740
tristate "OmniVision OV7740 sensor support"
depends on I2C && VIDEO_V4L2
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV7740 VGA camera sensor.
@@ -843,7 +808,7 @@ config VIDEO_OV9650
tristate "OmniVision OV9650/OV9652 sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
select REGMAP_SCCB
- ---help---
+ help
This is a V4L2 sensor driver for the Omnivision
OV9650 and OV9652 camera sensors.
@@ -852,7 +817,7 @@ config VIDEO_OV13858
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the OmniVision
OV13858 camera.
@@ -860,7 +825,7 @@ config VIDEO_VS6624
tristate "ST VS6624 sensor support"
depends on VIDEO_V4L2 && I2C
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a Video4Linux2 sensor driver for the ST VS6624
camera.
@@ -880,7 +845,7 @@ config VIDEO_MT9M032
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
select VIDEO_APTINA_PLL
- ---help---
+ help
This driver supports MT9M032 camera sensors from Aptina, monochrome
models only.
@@ -897,7 +862,7 @@ config VIDEO_MT9P031
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
select VIDEO_APTINA_PLL
- ---help---
+ help
This is a Video4Linux2 sensor driver for the Aptina
(Micron) mt9p031 5 Mpixel camera.
@@ -905,7 +870,7 @@ config VIDEO_MT9T001
tristate "Aptina MT9T001 support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a Video4Linux2 sensor driver for the Aptina
(Micron) mt0t001 3 Mpixel camera.
@@ -913,7 +878,7 @@ config VIDEO_MT9T112
tristate "Aptina MT9T111/MT9T112 support"
depends on I2C && VIDEO_V4L2
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a Video4Linux2 sensor driver for the Aptina
(Micron) MT9T111 and MT9T112 3 Mpixel camera.
@@ -924,7 +889,7 @@ config VIDEO_MT9V011
tristate "Micron mt9v011 sensor support"
depends on I2C && VIDEO_V4L2
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a Video4Linux2 sensor driver for the Micron
mt0v011 1.3 Mpixel camera. It currently only works with the
em28xx driver.
@@ -935,7 +900,7 @@ config VIDEO_MT9V032
depends on MEDIA_CAMERA_SUPPORT
select REGMAP_I2C
select V4L2_FWNODE
- ---help---
+ help
This is a Video4Linux2 sensor driver for the Micron
MT9V032 752x480 CMOS sensor.
@@ -954,14 +919,14 @@ config VIDEO_SR030PC30
tristate "Siliconfile SR030PC30 sensor support"
depends on I2C && VIDEO_V4L2
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This driver supports SR030PC30 VGA camera from Siliconfile
config VIDEO_NOON010PC30
tristate "Siliconfile NOON010PC30 sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This driver supports NOON010PC30 CIF camera from Siliconfile
source "drivers/media/i2c/m5mols/Kconfig"
@@ -981,7 +946,7 @@ config VIDEO_S5K6AA
tristate "Samsung S5K6AAFX sensor support"
depends on MEDIA_CAMERA_SUPPORT
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
- ---help---
+ help
This is a V4L2 sensor driver for Samsung S5K6AA(FX) 1.3M
camera sensor with an embedded SoC image signal processor.
@@ -989,7 +954,7 @@ config VIDEO_S5K6A3
tristate "Samsung S5K6A3 sensor support"
depends on MEDIA_CAMERA_SUPPORT
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
- ---help---
+ help
This is a V4L2 sensor driver for Samsung S5K6A3 raw
camera sensor.
@@ -997,7 +962,7 @@ config VIDEO_S5K4ECGX
tristate "Samsung S5K4ECGX sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
select CRC32
- ---help---
+ help
This is a V4L2 sensor driver for Samsung S5K4ECGX 5M
camera sensor with an embedded SoC image signal processor.
@@ -1005,7 +970,7 @@ config VIDEO_S5K5BAF
tristate "Samsung S5K5BAF sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
select V4L2_FWNODE
- ---help---
+ help
This is a V4L2 sensor driver for Samsung S5K5BAF 2M
camera sensor with an embedded SoC image signal processor.
@@ -1016,17 +981,56 @@ config VIDEO_S5C73M3
tristate "Samsung S5C73M3 sensor support"
depends on I2C && SPI && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
select V4L2_FWNODE
- ---help---
+ help
This is a V4L2 sensor driver for Samsung S5C73M3
8 Mpixel camera.
+comment "Lens drivers"
+
+config VIDEO_AD5820
+ tristate "AD5820 lens voice coil support"
+ depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
+ help
+ This is a driver for the AD5820 camera lens voice coil.
+ It is used for example in Nokia N900 (RX-51).
+
+config VIDEO_AK7375
+ tristate "AK7375 lens voice coil support"
+ depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
+ depends on VIDEO_V4L2_SUBDEV_API
+ help
+ This is a driver for the AK7375 camera lens voice coil.
+ AK7375 is a 12 bit DAC with 120mA output current sink
+ capability. This is designed for linear control of
+ voice coil motors, controlled via I2C serial interface.
+
+config VIDEO_DW9714
+ tristate "DW9714 lens voice coil support"
+ depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
+ depends on VIDEO_V4L2_SUBDEV_API
+ help
+ This is a driver for the DW9714 camera lens voice coil.
+ DW9714 is a 10 bit DAC with 120mA output current sink
+ capability. This is designed for linear control of
+ voice coil motors, controlled via I2C serial interface.
+
+config VIDEO_DW9807_VCM
+ tristate "DW9807 lens voice coil support"
+ depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
+ depends on VIDEO_V4L2_SUBDEV_API
+ help
+ This is a driver for the DW9807 camera lens voice coil.
+ DW9807 is a 10 bit DAC with 100mA output current sink
+ capability. This is designed for linear control of
+ voice coil motors, controlled via I2C serial interface.
+
comment "Flash devices"
config VIDEO_ADP1653
tristate "ADP1653 flash support"
depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This is a driver for the ADP1653 flash controller. It is used for
example in Nokia N900.
@@ -1035,7 +1039,7 @@ config VIDEO_LM3560
depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
depends on MEDIA_CAMERA_SUPPORT
select REGMAP_I2C
- ---help---
+ help
This is a driver for the lm3560 dual flash controllers. It controls
flash, torch LEDs.
@@ -1044,7 +1048,7 @@ config VIDEO_LM3646
depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
depends on MEDIA_CAMERA_SUPPORT
select REGMAP_I2C
- ---help---
+ help
This is a driver for the lm3646 dual flash controllers. It controls
flash, torch LEDs.
@@ -1053,7 +1057,7 @@ comment "Video improvement chips"
config VIDEO_UPD64031A
tristate "NEC Electronics uPD64031A Ghost Reduction"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the NEC Electronics uPD64031A Ghost Reduction
video chip. It is most often found in NTSC TV cards made for
Japan and is used to reduce the 'ghosting' effect that can
@@ -1065,7 +1069,7 @@ config VIDEO_UPD64031A
config VIDEO_UPD64083
tristate "NEC Electronics uPD64083 3-Dimensional Y/C separation"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the NEC Electronics uPD64083 3-Dimensional Y/C
separation video chip. It is used to improve the quality of
the colors of a composite signal.
@@ -1079,7 +1083,7 @@ config VIDEO_SAA6752HS
tristate "Philips SAA6752HS MPEG-2 Audio/Video Encoder"
depends on VIDEO_V4L2 && I2C
select CRC32
- ---help---
+ help
Support for the Philips SAA6752HS MPEG-2 video and MPEG-audio/AC-3
audio encoder with multiplexer.
@@ -1091,7 +1095,7 @@ comment "SDR tuner chips"
config SDR_MAX2175
tristate "Maxim 2175 RF to Bits tuner"
depends on VIDEO_V4L2 && MEDIA_SDR_SUPPORT && I2C
- ---help---
+ help
Support for Maxim 2175 tuner. It is an advanced analog/digital
radio receiver with RF-to-Bits front-end designed for SDR solutions.
@@ -1112,7 +1116,7 @@ config VIDEO_THS7303
config VIDEO_M52790
tristate "Mitsubishi M52790 A/V switch"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Mitsubishi M52790 A/V switch.
To compile this driver as a module, choose M here: the
@@ -1123,7 +1127,7 @@ config VIDEO_I2C
depends on VIDEO_V4L2 && I2C
select VIDEOBUF2_VMALLOC
imply HWMON
- ---help---
+ help
Enable the I2C transport video support which supports the
following:
* Panasonic AMG88xx Grid-Eye Sensors
@@ -1132,6 +1136,19 @@ config VIDEO_I2C
To compile this driver as a module, choose M here: the
module will be called video-i2c
+config VIDEO_ST_MIPID02
+ tristate "STMicroelectronics MIPID02 CSI-2 to PARALLEL bridge"
+ depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+ depends on MEDIA_CAMERA_SUPPORT
+ select V4L2_FWNODE
+ help
+ Support for STMicroelectronics MIPID02 CSI-2 to PARALLEL bridge.
+ It is used to allow usage of CSI-2 sensor with PARALLEL port
+ controller.
+
+ To compile this driver as a module, choose M here: the
+ module will be called st-mipid02.
+
endmenu
endif
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index a64fca82e0c4..d8ad9dad495d 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -113,5 +113,6 @@ obj-$(CONFIG_VIDEO_IMX258) += imx258.o
obj-$(CONFIG_VIDEO_IMX274) += imx274.o
obj-$(CONFIG_VIDEO_IMX319) += imx319.o
obj-$(CONFIG_VIDEO_IMX355) += imx355.o
+obj-$(CONFIG_VIDEO_ST_MIPID02) += st-mipid02.o
obj-$(CONFIG_SDR_MAX2175) += max2175.o
diff --git a/drivers/media/i2c/cx25840/Kconfig b/drivers/media/i2c/cx25840/Kconfig
index 451133ad41ff..f4b31d7cb440 100644
--- a/drivers/media/i2c/cx25840/Kconfig
+++ b/drivers/media/i2c/cx25840/Kconfig
@@ -1,7 +1,7 @@
config VIDEO_CX25840
tristate "Conexant CX2584x audio/video decoders"
depends on VIDEO_V4L2 && I2C
- ---help---
+ help
Support for the Conexant CX2584x audio/video decoders.
To compile this driver as a module, choose M here: the
diff --git a/drivers/media/i2c/et8ek8/Kconfig b/drivers/media/i2c/et8ek8/Kconfig
index 9fe409e95666..ab23b41bf353 100644
--- a/drivers/media/i2c/et8ek8/Kconfig
+++ b/drivers/media/i2c/et8ek8/Kconfig
@@ -2,6 +2,6 @@ config VIDEO_ET8EK8
tristate "ET8EK8 camera sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
select V4L2_FWNODE
- ---help---
+ help
This is a driver for the Toshiba ET8EK8 5 MP camera sensor.
It is used for example in Nokia N900 (RX-51).
diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 9857e151db46..83e9961b0505 100644
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -588,12 +588,10 @@ static int imx214_set_format(struct v4l2_subdev *sd,
__crop = __imx214_get_pad_crop(imx214, cfg, format->pad, format->which);
- if (format)
- mode = v4l2_find_nearest_size(imx214_modes,
- ARRAY_SIZE(imx214_modes), width, height,
- format->format.width, format->format.height);
- else
- mode = &imx214_modes[0];
+ mode = v4l2_find_nearest_size(imx214_modes,
+ ARRAY_SIZE(imx214_modes), width, height,
+ format->format.width,
+ format->format.height);
__crop->width = mode->width;
__crop->height = mode->height;
diff --git a/drivers/media/i2c/m5mols/Kconfig b/drivers/media/i2c/m5mols/Kconfig
index dc8c2505907e..be0bb3f1bc22 100644
--- a/drivers/media/i2c/m5mols/Kconfig
+++ b/drivers/media/i2c/m5mols/Kconfig
@@ -2,5 +2,5 @@ config VIDEO_M5MOLS
tristate "Fujitsu M-5MOLS 8MP sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
- ---help---
+ help
This driver supports Fujitsu M-5MOLS camera sensor with ISP
diff --git a/drivers/media/i2c/ov2659.c b/drivers/media/i2c/ov2659.c
index 799acce803fe..5ed2413eac8a 100644
--- a/drivers/media/i2c/ov2659.c
+++ b/drivers/media/i2c/ov2659.c
@@ -1117,8 +1117,10 @@ static int ov2659_set_fmt(struct v4l2_subdev *sd,
if (ov2659_formats[index].code == mf->code)
break;
- if (index < 0)
- return -EINVAL;
+ if (index < 0) {
+ index = 0;
+ mf->code = ov2659_formats[index].code;
+ }
mf->colorspace = V4L2_COLORSPACE_SRGB;
mf->field = V4L2_FIELD_NONE;
@@ -1130,7 +1132,7 @@ static int ov2659_set_fmt(struct v4l2_subdev *sd,
mf = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
*mf = fmt->format;
#else
- return -ENOTTY;
+ ret = -ENOTTY;
#endif
} else {
s64 val;
diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c
index c33fd584cb44..1b972e591b48 100644
--- a/drivers/media/i2c/ov6650.c
+++ b/drivers/media/i2c/ov6650.c
@@ -804,15 +804,25 @@ static int ov6650_prog_dflt(struct i2c_client *client)
return ret;
}
-static int ov6650_video_probe(struct i2c_client *client)
+static int ov6650_video_probe(struct v4l2_subdev *sd)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
struct ov6650 *priv = to_ov6650(client);
u8 pidh, pidl, midh, midl;
int ret;
- ret = ov6650_s_power(&priv->subdev, 1);
- if (ret < 0)
+ priv->clk = v4l2_clk_get(&client->dev, NULL);
+ if (IS_ERR(priv->clk)) {
+ ret = PTR_ERR(priv->clk);
+ dev_err(&client->dev, "v4l2_clk request err: %d\n", ret);
return ret;
+ }
+
+ ret = ov6650_s_power(sd, 1);
+ if (ret < 0)
+ goto eclkput;
+
+ msleep(20);
/*
* check and show product ID and manufacturer ID
@@ -846,7 +856,12 @@ static int ov6650_video_probe(struct i2c_client *client)
ret = v4l2_ctrl_handler_setup(&priv->hdl);
done:
- ov6650_s_power(&priv->subdev, 0);
+ ov6650_s_power(sd, 0);
+ if (!ret)
+ return 0;
+eclkput:
+ v4l2_clk_put(priv->clk);
+
return ret;
}
@@ -929,6 +944,10 @@ static const struct v4l2_subdev_ops ov6650_subdev_ops = {
.pad = &ov6650_pad_ops,
};
+static const struct v4l2_subdev_internal_ops ov6650_internal_ops = {
+ .registered = ov6650_video_probe,
+};
+
/*
* i2c_driver function
*/
@@ -989,18 +1008,12 @@ static int ov6650_probe(struct i2c_client *client,
priv->code = MEDIA_BUS_FMT_YUYV8_2X8;
priv->colorspace = V4L2_COLORSPACE_JPEG;
- priv->clk = v4l2_clk_get(&client->dev, NULL);
- if (IS_ERR(priv->clk)) {
- ret = PTR_ERR(priv->clk);
- goto eclkget;
- }
+ priv->subdev.internal_ops = &ov6650_internal_ops;
+ priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
- ret = ov6650_video_probe(client);
- if (ret) {
- v4l2_clk_put(priv->clk);
-eclkget:
+ ret = v4l2_async_register_subdev(&priv->subdev);
+ if (ret)
v4l2_ctrl_handler_free(&priv->hdl);
- }
return ret;
}
@@ -1010,7 +1023,7 @@ static int ov6650_remove(struct i2c_client *client)
struct ov6650 *priv = to_ov6650(client);
v4l2_clk_put(priv->clk);
- v4l2_device_unregister_subdev(&priv->subdev);
+ v4l2_async_unregister_subdev(&priv->subdev);
v4l2_ctrl_handler_free(&priv->hdl);
return 0;
}
diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c
index a7d26b294eb5..44c3eed8a858 100644
--- a/drivers/media/i2c/ov7670.c
+++ b/drivers/media/i2c/ov7670.c
@@ -864,7 +864,15 @@ static int ov7675_set_framerate(struct v4l2_subdev *sd,
/* Recalculate frame rate */
ov7675_get_framerate(sd, tpf);
- return ov7675_apply_framerate(sd);
+ /*
+ * If the device is not powered up by the host driver do
+ * not apply any changes to H/W at this time. Instead
+ * the framerate will be restored right after power-up.
+ */
+ if (info->on)
+ return ov7675_apply_framerate(sd);
+
+ return 0;
}
static void ov7670_get_framerate_legacy(struct v4l2_subdev *sd,
@@ -895,7 +903,16 @@ static int ov7670_set_framerate_legacy(struct v4l2_subdev *sd,
info->clkrc = (info->clkrc & 0x80) | div;
tpf->numerator = 1;
tpf->denominator = info->clock_speed / div;
- return ov7670_write(sd, REG_CLKRC, info->clkrc);
+
+ /*
+ * If the device is not powered up by the host driver do
+ * not apply any changes to H/W at this time. Instead
+ * the framerate will be restored right after power-up.
+ */
+ if (info->on)
+ return ov7670_write(sd, REG_CLKRC, info->clkrc);
+
+ return 0;
}
/*
@@ -1105,9 +1122,13 @@ static int ov7670_set_fmt(struct v4l2_subdev *sd,
if (ret)
return ret;
- ret = ov7670_apply_fmt(sd);
- if (ret)
- return ret;
+ /*
+ * If the device is not powered up by the host driver do
+ * not apply any changes to H/W at this time. Instead
+ * the frame format will be restored right after power-up.
+ */
+ if (info->on)
+ return ov7670_apply_fmt(sd);
return 0;
}
@@ -1664,6 +1685,7 @@ static int ov7670_s_power(struct v4l2_subdev *sd, int on)
if (on) {
ov7670_power_on (sd);
+ ov7670_init(sd, 0);
ov7670_apply_fmt(sd);
ov7675_apply_framerate(sd);
v4l2_ctrl_handler_setup(&info->hdl);
diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c
index dfece91ce96b..54e80a60aa57 100644
--- a/drivers/media/i2c/ov7740.c
+++ b/drivers/media/i2c/ov7740.c
@@ -448,6 +448,27 @@ static int ov7740_get_gain(struct ov7740 *ov7740, struct v4l2_ctrl *ctrl)
return 0;
}
+static int ov7740_get_exp(struct ov7740 *ov7740, struct v4l2_ctrl *ctrl)
+{
+ struct regmap *regmap = ov7740->regmap;
+ unsigned int value0, value1;
+ int ret;
+
+ if (ctrl->val == V4L2_EXPOSURE_MANUAL)
+ return 0;
+
+ ret = regmap_read(regmap, REG_AEC, &value0);
+ if (ret)
+ return ret;
+ ret = regmap_read(regmap, REG_HAEC, &value1);
+ if (ret)
+ return ret;
+
+ ov7740->exposure->val = (value1 << 8) | (value0 & 0xff);
+
+ return 0;
+}
+
static int ov7740_set_exp(struct regmap *regmap, int value)
{
int ret;
@@ -494,6 +515,9 @@ static int ov7740_get_volatile_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_AUTOGAIN:
ret = ov7740_get_gain(ov7740, ctrl);
break;
+ case V4L2_CID_EXPOSURE_AUTO:
+ ret = ov7740_get_exp(ov7740, ctrl);
+ break;
default:
ret = -EINVAL;
break;
@@ -991,8 +1015,6 @@ static int ov7740_init_controls(struct ov7740 *ov7740)
ov7740->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov7740_ctrl_ops,
V4L2_CID_EXPOSURE, 0, 65535, 1, 500);
- if (ov7740->exposure)
- ov7740->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE;
ov7740->auto_exposure = v4l2_ctrl_new_std_menu(ctrl_hdlr,
&ov7740_ctrl_ops,
@@ -1003,7 +1025,7 @@ static int ov7740_init_controls(struct ov7740 *ov7740)
v4l2_ctrl_auto_cluster(3, &ov7740->auto_wb, 0, false);
v4l2_ctrl_auto_cluster(2, &ov7740->auto_gain, 0, true);
v4l2_ctrl_auto_cluster(2, &ov7740->auto_exposure,
- V4L2_EXPOSURE_MANUAL, false);
+ V4L2_EXPOSURE_MANUAL, true);
v4l2_ctrl_cluster(2, &ov7740->hflip);
if (ctrl_hdlr->error) {
diff --git a/drivers/media/i2c/smiapp/Kconfig b/drivers/media/i2c/smiapp/Kconfig
index f59718d8e51e..26b54f2aa95b 100644
--- a/drivers/media/i2c/smiapp/Kconfig
+++ b/drivers/media/i2c/smiapp/Kconfig
@@ -4,5 +4,5 @@ config VIDEO_SMIAPP
depends on MEDIA_CAMERA_SUPPORT
select VIDEO_SMIAPP_PLL
select V4L2_FWNODE
- ---help---
+ help
This is a generic driver for SMIA++/SMIA camera modules.
diff --git a/drivers/media/i2c/st-mipid02.c b/drivers/media/i2c/st-mipid02.c
new file mode 100644
index 000000000000..9369f38dbf3d
--- /dev/null
+++ b/drivers/media/i2c/st-mipid02.c
@@ -0,0 +1,1033 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Driver for ST MIPID02 CSI-2 to PARALLEL bridge
+ *
+ * Copyright (C) STMicroelectronics SA 2019
+ * Authors: Mickael Guene <mickael.guene@st.com>
+ * for STMicroelectronics.
+ *
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/of_graph.h>
+#include <linux/regulator/consumer.h>
+#include <media/v4l2-async.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-fwnode.h>
+#include <media/v4l2-subdev.h>
+
+#define MIPID02_CLK_LANE_WR_REG1 0x01
+#define MIPID02_CLK_LANE_REG1 0x02
+#define MIPID02_CLK_LANE_REG3 0x04
+#define MIPID02_DATA_LANE0_REG1 0x05
+#define MIPID02_DATA_LANE0_REG2 0x06
+#define MIPID02_DATA_LANE1_REG1 0x09
+#define MIPID02_DATA_LANE1_REG2 0x0a
+#define MIPID02_MODE_REG1 0x14
+#define MIPID02_MODE_REG2 0x15
+#define MIPID02_DATA_ID_RREG 0x17
+#define MIPID02_DATA_SELECTION_CTRL 0x19
+#define MIPID02_PIX_WIDTH_CTRL 0x1e
+#define MIPID02_PIX_WIDTH_CTRL_EMB 0x1f
+
+/* Bits definition for MIPID02_CLK_LANE_REG1 */
+#define CLK_ENABLE BIT(0)
+/* Bits definition for MIPID02_CLK_LANE_REG3 */
+#define CLK_MIPI_CSI BIT(1)
+/* Bits definition for MIPID02_DATA_LANE0_REG1 */
+#define DATA_ENABLE BIT(0)
+/* Bits definition for MIPID02_DATA_LANEx_REG2 */
+#define DATA_MIPI_CSI BIT(0)
+/* Bits definition for MIPID02_MODE_REG1 */
+#define MODE_DATA_SWAP BIT(2)
+#define MODE_NO_BYPASS BIT(6)
+/* Bits definition for MIPID02_MODE_REG2 */
+#define MODE_HSYNC_ACTIVE_HIGH BIT(1)
+#define MODE_VSYNC_ACTIVE_HIGH BIT(2)
+/* Bits definition for MIPID02_DATA_SELECTION_CTRL */
+#define SELECTION_MANUAL_DATA BIT(2)
+#define SELECTION_MANUAL_WIDTH BIT(3)
+
+static const u32 mipid02_supported_fmt_codes[] = {
+ MEDIA_BUS_FMT_SBGGR8_1X8, MEDIA_BUS_FMT_SGBRG8_1X8,
+ MEDIA_BUS_FMT_SGRBG8_1X8, MEDIA_BUS_FMT_SRGGB8_1X8,
+ MEDIA_BUS_FMT_SBGGR10_1X10, MEDIA_BUS_FMT_SGBRG10_1X10,
+ MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SRGGB10_1X10,
+ MEDIA_BUS_FMT_SBGGR12_1X12, MEDIA_BUS_FMT_SGBRG12_1X12,
+ MEDIA_BUS_FMT_SGRBG12_1X12, MEDIA_BUS_FMT_SRGGB12_1X12,
+ MEDIA_BUS_FMT_UYVY8_1X16, MEDIA_BUS_FMT_BGR888_1X24
+};
+
+/* regulator supplies */
+static const char * const mipid02_supply_name[] = {
+ "VDDE", /* 1.8V digital I/O supply */
+ "VDDIN", /* 1V8 voltage regulator supply */
+};
+
+#define MIPID02_NUM_SUPPLIES ARRAY_SIZE(mipid02_supply_name)
+
+#define MIPID02_SINK_0 0
+#define MIPID02_SINK_1 1
+#define MIPID02_SOURCE 2
+#define MIPID02_PAD_NB 3
+
+struct mipid02_dev {
+ struct i2c_client *i2c_client;
+ struct regulator_bulk_data supplies[MIPID02_NUM_SUPPLIES];
+ struct v4l2_subdev sd;
+ struct media_pad pad[MIPID02_PAD_NB];
+ struct clk *xclk;
+ struct gpio_desc *reset_gpio;
+ /* endpoints info */
+ struct v4l2_fwnode_endpoint rx;
+ u64 link_frequency;
+ struct v4l2_fwnode_endpoint tx;
+ /* remote source */
+ struct v4l2_async_subdev asd;
+ struct v4l2_async_notifier notifier;
+ struct v4l2_subdev *s_subdev;
+ /* registers */
+ struct {
+ u8 clk_lane_reg1;
+ u8 data_lane0_reg1;
+ u8 data_lane1_reg1;
+ u8 mode_reg1;
+ u8 mode_reg2;
+ u8 data_id_rreg;
+ u8 pix_width_ctrl;
+ u8 pix_width_ctrl_emb;
+ } r;
+ /* lock to protect all members below */
+ struct mutex lock;
+ bool streaming;
+ struct v4l2_mbus_framefmt fmt;
+};
+
+static int bpp_from_code(__u32 code)
+{
+ switch (code) {
+ case MEDIA_BUS_FMT_SBGGR8_1X8:
+ case MEDIA_BUS_FMT_SGBRG8_1X8:
+ case MEDIA_BUS_FMT_SGRBG8_1X8:
+ case MEDIA_BUS_FMT_SRGGB8_1X8:
+ return 8;
+ case MEDIA_BUS_FMT_SBGGR10_1X10:
+ case MEDIA_BUS_FMT_SGBRG10_1X10:
+ case MEDIA_BUS_FMT_SGRBG10_1X10:
+ case MEDIA_BUS_FMT_SRGGB10_1X10:
+ return 10;
+ case MEDIA_BUS_FMT_SBGGR12_1X12:
+ case MEDIA_BUS_FMT_SGBRG12_1X12:
+ case MEDIA_BUS_FMT_SGRBG12_1X12:
+ case MEDIA_BUS_FMT_SRGGB12_1X12:
+ return 12;
+ case MEDIA_BUS_FMT_UYVY8_1X16:
+ return 16;
+ case MEDIA_BUS_FMT_BGR888_1X24:
+ return 24;
+ default:
+ return 0;
+ }
+}
+
+static u8 data_type_from_code(__u32 code)
+{
+ switch (code) {
+ case MEDIA_BUS_FMT_SBGGR8_1X8:
+ case MEDIA_BUS_FMT_SGBRG8_1X8:
+ case MEDIA_BUS_FMT_SGRBG8_1X8:
+ case MEDIA_BUS_FMT_SRGGB8_1X8:
+ return 0x2a;
+ case MEDIA_BUS_FMT_SBGGR10_1X10:
+ case MEDIA_BUS_FMT_SGBRG10_1X10:
+ case MEDIA_BUS_FMT_SGRBG10_1X10:
+ case MEDIA_BUS_FMT_SRGGB10_1X10:
+ return 0x2b;
+ case MEDIA_BUS_FMT_SBGGR12_1X12:
+ case MEDIA_BUS_FMT_SGBRG12_1X12:
+ case MEDIA_BUS_FMT_SGRBG12_1X12:
+ case MEDIA_BUS_FMT_SRGGB12_1X12:
+ return 0x2c;
+ case MEDIA_BUS_FMT_UYVY8_1X16:
+ return 0x1e;
+ case MEDIA_BUS_FMT_BGR888_1X24:
+ return 0x24;
+ default:
+ return 0;
+ }
+}
+
+static void init_format(struct v4l2_mbus_framefmt *fmt)
+{
+ fmt->code = MEDIA_BUS_FMT_SBGGR8_1X8;
+ fmt->field = V4L2_FIELD_NONE;
+ fmt->colorspace = V4L2_COLORSPACE_SRGB;
+ fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB);
+ fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE;
+ fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB);
+ fmt->width = 640;
+ fmt->height = 480;
+}
+
+static __u32 get_fmt_code(__u32 code)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(mipid02_supported_fmt_codes); i++) {
+ if (code == mipid02_supported_fmt_codes[i])
+ return code;
+ }
+
+ return mipid02_supported_fmt_codes[0];
+}
+
+static __u32 serial_to_parallel_code(__u32 serial)
+{
+ if (serial == MEDIA_BUS_FMT_UYVY8_1X16)
+ return MEDIA_BUS_FMT_UYVY8_2X8;
+ if (serial == MEDIA_BUS_FMT_BGR888_1X24)
+ return MEDIA_BUS_FMT_BGR888_3X8;
+
+ return serial;
+}
+
+static inline struct mipid02_dev *to_mipid02_dev(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct mipid02_dev, sd);
+}
+
+static int mipid02_read_reg(struct mipid02_dev *bridge, u16 reg, u8 *val)
+{
+ struct i2c_client *client = bridge->i2c_client;
+ struct i2c_msg msg[2];
+ u8 buf[2];
+ int ret;
+
+ buf[0] = reg >> 8;
+ buf[1] = reg & 0xff;
+
+ msg[0].addr = client->addr;
+ msg[0].flags = client->flags;
+ msg[0].buf = buf;
+ msg[0].len = sizeof(buf);
+
+ msg[1].addr = client->addr;
+ msg[1].flags = client->flags | I2C_M_RD;
+ msg[1].buf = val;
+ msg[1].len = 1;
+
+ ret = i2c_transfer(client->adapter, msg, 2);
+ if (ret < 0) {
+ dev_dbg(&client->dev, "%s: %x i2c_transfer, reg: %x => %d\n",
+ __func__, client->addr, reg, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mipid02_write_reg(struct mipid02_dev *bridge, u16 reg, u8 val)
+{
+ struct i2c_client *client = bridge->i2c_client;
+ struct i2c_msg msg;
+ u8 buf[3];
+ int ret;
+
+ buf[0] = reg >> 8;
+ buf[1] = reg & 0xff;
+ buf[2] = val;
+
+ msg.addr = client->addr;
+ msg.flags = client->flags;
+ msg.buf = buf;
+ msg.len = sizeof(buf);
+
+ ret = i2c_transfer(client->adapter, &msg, 1);
+ if (ret < 0) {
+ dev_dbg(&client->dev, "%s: i2c_transfer, reg: %x => %d\n",
+ __func__, reg, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mipid02_get_regulators(struct mipid02_dev *bridge)
+{
+ unsigned int i;
+
+ for (i = 0; i < MIPID02_NUM_SUPPLIES; i++)
+ bridge->supplies[i].supply = mipid02_supply_name[i];
+
+ return devm_regulator_bulk_get(&bridge->i2c_client->dev,
+ MIPID02_NUM_SUPPLIES,
+ bridge->supplies);
+}
+
+static void mipid02_apply_reset(struct mipid02_dev *bridge)
+{
+ gpiod_set_value_cansleep(bridge->reset_gpio, 0);
+ usleep_range(5000, 10000);
+ gpiod_set_value_cansleep(bridge->reset_gpio, 1);
+ usleep_range(5000, 10000);
+ gpiod_set_value_cansleep(bridge->reset_gpio, 0);
+ usleep_range(5000, 10000);
+}
+
+static int mipid02_set_power_on(struct mipid02_dev *bridge)
+{
+ struct i2c_client *client = bridge->i2c_client;
+ int ret;
+
+ ret = clk_prepare_enable(bridge->xclk);
+ if (ret) {
+ dev_err(&client->dev, "%s: failed to enable clock\n", __func__);
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(MIPID02_NUM_SUPPLIES,
+ bridge->supplies);
+ if (ret) {
+ dev_err(&client->dev, "%s: failed to enable regulators\n",
+ __func__);
+ goto xclk_off;
+ }
+
+ if (bridge->reset_gpio) {
+ dev_dbg(&client->dev, "apply reset");
+ mipid02_apply_reset(bridge);
+ } else {
+ dev_dbg(&client->dev, "don't apply reset");
+ usleep_range(5000, 10000);
+ }
+
+ return 0;
+
+xclk_off:
+ clk_disable_unprepare(bridge->xclk);
+ return ret;
+}
+
+static void mipid02_set_power_off(struct mipid02_dev *bridge)
+{
+ regulator_bulk_disable(MIPID02_NUM_SUPPLIES, bridge->supplies);
+ clk_disable_unprepare(bridge->xclk);
+}
+
+static int mipid02_detect(struct mipid02_dev *bridge)
+{
+ u8 reg;
+
+ /*
+ * There is no version registers. Just try to read register
+ * MIPID02_CLK_LANE_WR_REG1.
+ */
+ return mipid02_read_reg(bridge, MIPID02_CLK_LANE_WR_REG1, &reg);
+}
+
+static u32 mipid02_get_link_freq_from_cid_pixel_rate(struct mipid02_dev *bridge,
+ struct v4l2_subdev *subdev)
+{
+ struct v4l2_fwnode_endpoint *ep = &bridge->rx;
+ struct v4l2_ctrl *ctrl;
+ u32 pixel_clock;
+ u32 bpp = bpp_from_code(bridge->fmt.code);
+
+ ctrl = v4l2_ctrl_find(subdev->ctrl_handler, V4L2_CID_PIXEL_RATE);
+ if (!ctrl)
+ return 0;
+ pixel_clock = v4l2_ctrl_g_ctrl_int64(ctrl);
+
+ return pixel_clock * bpp / (2 * ep->bus.mipi_csi2.num_data_lanes);
+}
+
+/*
+ * We need to know link frequency to setup clk_lane_reg1 timings. Link frequency
+ * will be computed using connected device V4L2_CID_PIXEL_RATE, bit per pixel
+ * and number of lanes.
+ */
+static int mipid02_configure_from_rx_speed(struct mipid02_dev *bridge)
+{
+ struct i2c_client *client = bridge->i2c_client;
+ struct v4l2_subdev *subdev = bridge->s_subdev;
+ u32 link_freq;
+
+ link_freq = mipid02_get_link_freq_from_cid_pixel_rate(bridge, subdev);
+ if (!link_freq) {
+ dev_err(&client->dev, "Failed to detect link frequency");
+ return -EINVAL;
+ }
+
+ dev_dbg(&client->dev, "detect link_freq = %d Hz", link_freq);
+ bridge->r.clk_lane_reg1 |= (2000000000 / link_freq) << 2;
+
+ return 0;
+}
+
+static int mipid02_configure_clk_lane(struct mipid02_dev *bridge)
+{
+ struct i2c_client *client = bridge->i2c_client;
+ struct v4l2_fwnode_endpoint *ep = &bridge->rx;
+ bool *polarities = ep->bus.mipi_csi2.lane_polarities;
+
+ /* midid02 doesn't support clock lane remapping */
+ if (ep->bus.mipi_csi2.clock_lane != 0) {
+ dev_err(&client->dev, "clk lane must be map to lane 0\n");
+ return -EINVAL;
+ }
+ bridge->r.clk_lane_reg1 |= (polarities[0] << 1) | CLK_ENABLE;
+
+ return 0;
+}
+
+static int mipid02_configure_data0_lane(struct mipid02_dev *bridge, int nb,
+ bool are_lanes_swap, bool *polarities)
+{
+ bool are_pin_swap = are_lanes_swap ? polarities[2] : polarities[1];
+
+ if (nb == 1 && are_lanes_swap)
+ return 0;
+
+ /*
+ * data lane 0 as pin swap polarity reversed compared to clock and
+ * data lane 1
+ */
+ if (!are_pin_swap)
+ bridge->r.data_lane0_reg1 = 1 << 1;
+ bridge->r.data_lane0_reg1 |= DATA_ENABLE;
+
+ return 0;
+}
+
+static int mipid02_configure_data1_lane(struct mipid02_dev *bridge, int nb,
+ bool are_lanes_swap, bool *polarities)
+{
+ bool are_pin_swap = are_lanes_swap ? polarities[1] : polarities[2];
+
+ if (nb == 1 && !are_lanes_swap)
+ return 0;
+
+ if (are_pin_swap)
+ bridge->r.data_lane1_reg1 = 1 << 1;
+ bridge->r.data_lane1_reg1 |= DATA_ENABLE;
+
+ return 0;
+}
+
+static int mipid02_configure_from_rx(struct mipid02_dev *bridge)
+{
+ struct v4l2_fwnode_endpoint *ep = &bridge->rx;
+ bool are_lanes_swap = ep->bus.mipi_csi2.data_lanes[0] == 2;
+ bool *polarities = ep->bus.mipi_csi2.lane_polarities;
+ int nb = ep->bus.mipi_csi2.num_data_lanes;
+ int ret;
+
+ ret = mipid02_configure_clk_lane(bridge);
+ if (ret)
+ return ret;
+
+ ret = mipid02_configure_data0_lane(bridge, nb, are_lanes_swap,
+ polarities);
+ if (ret)
+ return ret;
+
+ ret = mipid02_configure_data1_lane(bridge, nb, are_lanes_swap,
+ polarities);
+ if (ret)
+ return ret;
+
+ bridge->r.mode_reg1 |= are_lanes_swap ? MODE_DATA_SWAP : 0;
+ bridge->r.mode_reg1 |= (nb - 1) << 1;
+
+ return mipid02_configure_from_rx_speed(bridge);
+}
+
+static int mipid02_configure_from_tx(struct mipid02_dev *bridge)
+{
+ struct v4l2_fwnode_endpoint *ep = &bridge->tx;
+
+ bridge->r.pix_width_ctrl = ep->bus.parallel.bus_width;
+ bridge->r.pix_width_ctrl_emb = ep->bus.parallel.bus_width;
+ if (ep->bus.parallel.flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
+ bridge->r.mode_reg2 |= MODE_HSYNC_ACTIVE_HIGH;
+ if (ep->bus.parallel.flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH)
+ bridge->r.mode_reg2 |= MODE_VSYNC_ACTIVE_HIGH;
+
+ return 0;
+}
+
+static int mipid02_configure_from_code(struct mipid02_dev *bridge)
+{
+ u8 data_type;
+
+ bridge->r.data_id_rreg = 0;
+ data_type = data_type_from_code(bridge->fmt.code);
+ if (!data_type)
+ return -EINVAL;
+ bridge->r.data_id_rreg = data_type;
+
+ return 0;
+}
+
+static int mipid02_stream_disable(struct mipid02_dev *bridge)
+{
+ struct i2c_client *client = bridge->i2c_client;
+ int ret;
+
+ /* Disable all lanes */
+ ret = mipid02_write_reg(bridge, MIPID02_CLK_LANE_REG1, 0);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_DATA_LANE0_REG1, 0);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_DATA_LANE1_REG1, 0);
+ if (ret)
+ goto error;
+error:
+ if (ret)
+ dev_err(&client->dev, "failed to stream off %d", ret);
+
+ return ret;
+}
+
+static int mipid02_stream_enable(struct mipid02_dev *bridge)
+{
+ struct i2c_client *client = bridge->i2c_client;
+ int ret = -EINVAL;
+
+ if (!bridge->s_subdev)
+ goto error;
+
+ memset(&bridge->r, 0, sizeof(bridge->r));
+ /* build registers content */
+ ret = mipid02_configure_from_rx(bridge);
+ if (ret)
+ goto error;
+ ret = mipid02_configure_from_tx(bridge);
+ if (ret)
+ goto error;
+ ret = mipid02_configure_from_code(bridge);
+ if (ret)
+ goto error;
+
+ /* write mipi registers */
+ ret = mipid02_write_reg(bridge, MIPID02_CLK_LANE_REG1,
+ bridge->r.clk_lane_reg1);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_CLK_LANE_REG3, CLK_MIPI_CSI);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_DATA_LANE0_REG1,
+ bridge->r.data_lane0_reg1);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_DATA_LANE0_REG2,
+ DATA_MIPI_CSI);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_DATA_LANE1_REG1,
+ bridge->r.data_lane1_reg1);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_DATA_LANE1_REG2,
+ DATA_MIPI_CSI);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_MODE_REG1,
+ MODE_NO_BYPASS | bridge->r.mode_reg1);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_MODE_REG2,
+ bridge->r.mode_reg2);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_DATA_ID_RREG,
+ bridge->r.data_id_rreg);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_DATA_SELECTION_CTRL,
+ SELECTION_MANUAL_DATA | SELECTION_MANUAL_WIDTH);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_PIX_WIDTH_CTRL,
+ bridge->r.pix_width_ctrl);
+ if (ret)
+ goto error;
+ ret = mipid02_write_reg(bridge, MIPID02_PIX_WIDTH_CTRL_EMB,
+ bridge->r.pix_width_ctrl_emb);
+ if (ret)
+ goto error;
+
+ return 0;
+
+error:
+ dev_err(&client->dev, "failed to stream on %d", ret);
+ mipid02_stream_disable(bridge);
+
+ return ret;
+}
+
+static int mipid02_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct mipid02_dev *bridge = to_mipid02_dev(sd);
+ struct i2c_client *client = bridge->i2c_client;
+ int ret = 0;
+
+ dev_dbg(&client->dev, "%s : requested %d / current = %d", __func__,
+ enable, bridge->streaming);
+ mutex_lock(&bridge->lock);
+
+ if (bridge->streaming == enable)
+ goto out;
+
+ ret = enable ? mipid02_stream_enable(bridge) :
+ mipid02_stream_disable(bridge);
+ if (!ret)
+ bridge->streaming = enable;
+
+out:
+ dev_dbg(&client->dev, "%s current now = %d / %d", __func__,
+ bridge->streaming, ret);
+ mutex_unlock(&bridge->lock);
+
+ return ret;
+}
+
+static int mipid02_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ struct mipid02_dev *bridge = to_mipid02_dev(sd);
+ int ret = 0;
+
+ switch (code->pad) {
+ case MIPID02_SINK_0:
+ if (code->index >= ARRAY_SIZE(mipid02_supported_fmt_codes))
+ ret = -EINVAL;
+ else
+ code->code = mipid02_supported_fmt_codes[code->index];
+ break;
+ case MIPID02_SOURCE:
+ if (code->index == 0)
+ code->code = serial_to_parallel_code(bridge->fmt.code);
+ else
+ ret = -EINVAL;
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int mipid02_get_fmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
+{
+ struct v4l2_mbus_framefmt *mbus_fmt = &format->format;
+ struct mipid02_dev *bridge = to_mipid02_dev(sd);
+ struct i2c_client *client = bridge->i2c_client;
+ struct v4l2_mbus_framefmt *fmt;
+
+ dev_dbg(&client->dev, "%s probe %d", __func__, format->pad);
+
+ if (format->pad >= MIPID02_PAD_NB)
+ return -EINVAL;
+ /* second CSI-2 pad not yet supported */
+ if (format->pad == MIPID02_SINK_1)
+ return -EINVAL;
+
+ if (format->which == V4L2_SUBDEV_FORMAT_TRY)
+ fmt = v4l2_subdev_get_try_format(&bridge->sd, cfg, format->pad);
+ else
+ fmt = &bridge->fmt;
+
+ mutex_lock(&bridge->lock);
+
+ *mbus_fmt = *fmt;
+ /* code may need to be converted for source */
+ if (format->pad == MIPID02_SOURCE)
+ mbus_fmt->code = serial_to_parallel_code(mbus_fmt->code);
+
+ mutex_unlock(&bridge->lock);
+
+ return 0;
+}
+
+static void mipid02_set_fmt_source(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
+{
+ struct mipid02_dev *bridge = to_mipid02_dev(sd);
+
+ /* source pad mirror active sink pad */
+ format->format = bridge->fmt;
+ /* but code may need to be converted */
+ format->format.code = serial_to_parallel_code(format->format.code);
+
+ /* only apply format for V4L2_SUBDEV_FORMAT_TRY case */
+ if (format->which != V4L2_SUBDEV_FORMAT_TRY)
+ return;
+
+ *v4l2_subdev_get_try_format(sd, cfg, format->pad) = format->format;
+}
+
+static void mipid02_set_fmt_sink(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
+{
+ struct mipid02_dev *bridge = to_mipid02_dev(sd);
+ struct v4l2_mbus_framefmt *fmt;
+
+ format->format.code = get_fmt_code(format->format.code);
+
+ if (format->which == V4L2_SUBDEV_FORMAT_TRY)
+ fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
+ else
+ fmt = &bridge->fmt;
+
+ *fmt = format->format;
+}
+
+static int mipid02_set_fmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
+{
+ struct mipid02_dev *bridge = to_mipid02_dev(sd);
+ struct i2c_client *client = bridge->i2c_client;
+ int ret = 0;
+
+ dev_dbg(&client->dev, "%s for %d", __func__, format->pad);
+
+ if (format->pad >= MIPID02_PAD_NB)
+ return -EINVAL;
+ /* second CSI-2 pad not yet supported */
+ if (format->pad == MIPID02_SINK_1)
+ return -EINVAL;
+
+ mutex_lock(&bridge->lock);
+
+ if (bridge->streaming) {
+ ret = -EBUSY;
+ goto error;
+ }
+
+ if (format->pad == MIPID02_SOURCE)
+ mipid02_set_fmt_source(sd, cfg, format);
+ else
+ mipid02_set_fmt_sink(sd, cfg, format);
+
+error:
+ mutex_unlock(&bridge->lock);
+
+ return ret;
+}
+
+static const struct v4l2_subdev_video_ops mipid02_video_ops = {
+ .s_stream = mipid02_s_stream,
+};
+
+static const struct v4l2_subdev_pad_ops mipid02_pad_ops = {
+ .enum_mbus_code = mipid02_enum_mbus_code,
+ .get_fmt = mipid02_get_fmt,
+ .set_fmt = mipid02_set_fmt,
+};
+
+static const struct v4l2_subdev_ops mipid02_subdev_ops = {
+ .video = &mipid02_video_ops,
+ .pad = &mipid02_pad_ops,
+};
+
+static const struct media_entity_operations mipid02_subdev_entity_ops = {
+ .link_validate = v4l2_subdev_link_validate,
+};
+
+static int mipid02_async_bound(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *s_subdev,
+ struct v4l2_async_subdev *asd)
+{
+ struct mipid02_dev *bridge = to_mipid02_dev(notifier->sd);
+ struct i2c_client *client = bridge->i2c_client;
+ int source_pad;
+ int ret;
+
+ dev_dbg(&client->dev, "sensor_async_bound call %p", s_subdev);
+
+ source_pad = media_entity_get_fwnode_pad(&s_subdev->entity,
+ s_subdev->fwnode,
+ MEDIA_PAD_FL_SOURCE);
+ if (source_pad < 0) {
+ dev_err(&client->dev, "Couldn't find output pad for subdev %s\n",
+ s_subdev->name);
+ return source_pad;
+ }
+
+ ret = media_create_pad_link(&s_subdev->entity, source_pad,
+ &bridge->sd.entity, 0,
+ MEDIA_LNK_FL_ENABLED |
+ MEDIA_LNK_FL_IMMUTABLE);
+ if (ret) {
+ dev_err(&client->dev, "Couldn't create media link %d", ret);
+ return ret;
+ }
+
+ bridge->s_subdev = s_subdev;
+
+ return 0;
+}
+
+static void mipid02_async_unbind(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *s_subdev,
+ struct v4l2_async_subdev *asd)
+{
+ struct mipid02_dev *bridge = to_mipid02_dev(notifier->sd);
+
+ bridge->s_subdev = NULL;
+}
+
+static const struct v4l2_async_notifier_operations mipid02_notifier_ops = {
+ .bound = mipid02_async_bound,
+ .unbind = mipid02_async_unbind,
+};
+
+static int mipid02_parse_rx_ep(struct mipid02_dev *bridge)
+{
+ struct v4l2_fwnode_endpoint ep = { .bus_type = V4L2_MBUS_CSI2_DPHY };
+ struct i2c_client *client = bridge->i2c_client;
+ struct device_node *ep_node;
+ int ret;
+
+ /* parse rx (endpoint 0) */
+ ep_node = of_graph_get_endpoint_by_regs(bridge->i2c_client->dev.of_node,
+ 0, 0);
+ if (!ep_node) {
+ dev_err(&client->dev, "unable to find port0 ep");
+ ret = -EINVAL;
+ goto error;
+ }
+
+ ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_node), &ep);
+ if (ret) {
+ dev_err(&client->dev, "Could not parse v4l2 endpoint %d\n",
+ ret);
+ goto error_of_node_put;
+ }
+
+ /* do some sanity checks */
+ if (ep.bus.mipi_csi2.num_data_lanes > 2) {
+ dev_err(&client->dev, "max supported data lanes is 2 / got %d",
+ ep.bus.mipi_csi2.num_data_lanes);
+ ret = -EINVAL;
+ goto error_of_node_put;
+ }
+
+ /* register it for later use */
+ bridge->rx = ep;
+
+ /* register async notifier so we get noticed when sensor is connected */
+ bridge->asd.match.fwnode =
+ fwnode_graph_get_remote_port_parent(of_fwnode_handle(ep_node));
+ bridge->asd.match_type = V4L2_ASYNC_MATCH_FWNODE;
+ of_node_put(ep_node);
+
+ v4l2_async_notifier_init(&bridge->notifier);
+ ret = v4l2_async_notifier_add_subdev(&bridge->notifier, &bridge->asd);
+ if (ret) {
+ dev_err(&client->dev, "fail to register asd to notifier %d",
+ ret);
+ fwnode_handle_put(bridge->asd.match.fwnode);
+ return ret;
+ }
+ bridge->notifier.ops = &mipid02_notifier_ops;
+
+ ret = v4l2_async_subdev_notifier_register(&bridge->sd,
+ &bridge->notifier);
+ if (ret)
+ v4l2_async_notifier_cleanup(&bridge->notifier);
+
+ return ret;
+
+error_of_node_put:
+ of_node_put(ep_node);
+error:
+
+ return ret;
+}
+
+static int mipid02_parse_tx_ep(struct mipid02_dev *bridge)
+{
+ struct v4l2_fwnode_endpoint ep = { .bus_type = V4L2_MBUS_PARALLEL };
+ struct i2c_client *client = bridge->i2c_client;
+ struct device_node *ep_node;
+ int ret;
+
+ /* parse tx (endpoint 2) */
+ ep_node = of_graph_get_endpoint_by_regs(bridge->i2c_client->dev.of_node,
+ 2, 0);
+ if (!ep_node) {
+ dev_err(&client->dev, "unable to find port1 ep");
+ ret = -EINVAL;
+ goto error;
+ }
+
+ ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_node), &ep);
+ if (ret) {
+ dev_err(&client->dev, "Could not parse v4l2 endpoint\n");
+ goto error_of_node_put;
+ }
+
+ of_node_put(ep_node);
+ bridge->tx = ep;
+
+ return 0;
+
+error_of_node_put:
+ of_node_put(ep_node);
+error:
+
+ return -EINVAL;
+}
+
+static int mipid02_probe(struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
+ struct mipid02_dev *bridge;
+ u32 clk_freq;
+ int ret;
+
+ bridge = devm_kzalloc(dev, sizeof(*bridge), GFP_KERNEL);
+ if (!bridge)
+ return -ENOMEM;
+
+ init_format(&bridge->fmt);
+
+ bridge->i2c_client = client;
+ v4l2_i2c_subdev_init(&bridge->sd, client, &mipid02_subdev_ops);
+
+ /* got and check clock */
+ bridge->xclk = devm_clk_get(dev, "xclk");
+ if (IS_ERR(bridge->xclk)) {
+ dev_err(dev, "failed to get xclk\n");
+ return PTR_ERR(bridge->xclk);
+ }
+
+ clk_freq = clk_get_rate(bridge->xclk);
+ if (clk_freq < 6000000 || clk_freq > 27000000) {
+ dev_err(dev, "xclk freq must be in 6-27 Mhz range. got %d Hz\n",
+ clk_freq);
+ return -EINVAL;
+ }
+
+ bridge->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+ GPIOD_OUT_HIGH);
+
+ ret = mipid02_get_regulators(bridge);
+ if (ret) {
+ dev_err(dev, "failed to get regulators %d", ret);
+ return ret;
+ }
+
+ mutex_init(&bridge->lock);
+ bridge->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+ bridge->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
+ bridge->sd.entity.ops = &mipid02_subdev_entity_ops;
+ bridge->pad[0].flags = MEDIA_PAD_FL_SINK;
+ bridge->pad[1].flags = MEDIA_PAD_FL_SINK;
+ bridge->pad[2].flags = MEDIA_PAD_FL_SOURCE;
+ ret = media_entity_pads_init(&bridge->sd.entity, MIPID02_PAD_NB,
+ bridge->pad);
+ if (ret) {
+ dev_err(&client->dev, "pads init failed %d", ret);
+ goto mutex_cleanup;
+ }
+
+ /* enable clock, power and reset device if available */
+ ret = mipid02_set_power_on(bridge);
+ if (ret)
+ goto entity_cleanup;
+
+ ret = mipid02_detect(bridge);
+ if (ret) {
+ dev_err(&client->dev, "failed to detect mipid02 %d", ret);
+ goto power_off;
+ }
+
+ ret = mipid02_parse_tx_ep(bridge);
+ if (ret) {
+ dev_err(&client->dev, "failed to parse tx %d", ret);
+ goto power_off;
+ }
+
+ ret = mipid02_parse_rx_ep(bridge);
+ if (ret) {
+ dev_err(&client->dev, "failed to parse rx %d", ret);
+ goto power_off;
+ }
+
+ ret = v4l2_async_register_subdev(&bridge->sd);
+ if (ret < 0) {
+ dev_err(&client->dev, "v4l2_async_register_subdev failed %d",
+ ret);
+ goto unregister_notifier;
+ }
+
+ dev_info(&client->dev, "mipid02 device probe successfully");
+
+ return 0;
+
+unregister_notifier:
+ v4l2_async_notifier_unregister(&bridge->notifier);
+ v4l2_async_notifier_cleanup(&bridge->notifier);
+power_off:
+ mipid02_set_power_off(bridge);
+entity_cleanup:
+ media_entity_cleanup(&bridge->sd.entity);
+mutex_cleanup:
+ mutex_destroy(&bridge->lock);
+
+ return ret;
+}
+
+static int mipid02_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct mipid02_dev *bridge = to_mipid02_dev(sd);
+
+ v4l2_async_notifier_unregister(&bridge->notifier);
+ v4l2_async_notifier_cleanup(&bridge->notifier);
+ v4l2_async_unregister_subdev(&bridge->sd);
+ mipid02_set_power_off(bridge);
+ media_entity_cleanup(&bridge->sd.entity);
+ mutex_destroy(&bridge->lock);
+
+ return 0;
+}
+
+static const struct of_device_id mipid02_dt_ids[] = {
+ { .compatible = "st,st-mipid02" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mipid02_dt_ids);
+
+static struct i2c_driver mipid02_i2c_driver = {
+ .driver = {
+ .name = "st-mipid02",
+ .of_match_table = mipid02_dt_ids,
+ },
+ .probe_new = mipid02_probe,
+ .remove = mipid02_remove,
+};
+
+module_i2c_driver(mipid02_i2c_driver);
+
+MODULE_AUTHOR("Mickael Guene <mickael.guene@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics MIPID02 CSI-2 bridge driver");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-26 16:36:56 +0300