[PATCH v2 0/4] TDA1997x HDMI video receiver

From: Tim Harvey
Date: Thu Oct 12 2017 - 00:46:35 EST

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This is a v4l2 subdev driver supporting the TDA1997x HDMI video receiver.

I've tested this on a Gateworks GW54xx with an IMX6Q which uses the TDA19971
with 16bits connected to the IMX6 CSI. For this configuration I've tested
both 16bit YUV422 and 8bit BT656 mode. While the driver should support the
TDA1993 I do not have one for testing.

Further potential development efforts include:
- CEC support
- HDCP support
- mbus format selection support for bus widths that support multiple formats
- TDA19972 support (2 inputs)

History:
v2:
- encorporate feedback into dt bindings
- change audio dt bindings
- implement dv timings enum/cap
- remove deprecated g_mbus_config op
- fix dv_query_timings
- add EDID get/set handling
- remove max-pixel-rate support
- add audio codec DAI support
- added media-ctl and v4l2-compliance details

v1:
- initial RFC

Media device topology:
# media-ctl -d /dev/media0 -p
Media controller API version 4.13.0

Media device information
------------------------
driver imx-media
model imx-media
serial
bus info
hw revision 0x0
driver version 4.13.0

Device topology
- entity 1: adv7180 2-0020 (1 pad, 1 link)
type V4L2 subdev subtype Unknown flags 20004
device node name /dev/v4l-subdev0
pad0: Source
[fmt:UYVY8_2X8/720x480 field:interlaced colorspace:smpte170m]
-> "ipu2_csi1_mux":1 []

- entity 3: tda19971 2-0048 (1 pad, 1 link)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev1
pad0: Source
[fmt:UYVY8_1X16/0x0]
[dv.caps:BT.656/1120 min:640x480@13000000 max:1920x1080@165000000 stds:CEA-861,DMT caps:progressive]
[dv.query:no-link]
[dv.current:BT.656/1120 0x0p0 (0x0) stds: flags:]
-> "ipu1_csi0_mux":1 [ENABLED]

- entity 5: ipu1_vdic (3 pads, 3 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev2
pad0: Sink
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
<- "ipu1_csi0":1 []
<- "ipu1_csi1":1 []
pad1: Sink
[fmt:UYVY8_2X8/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
pad2: Source
[fmt:AYUV8_1X32/640x480@1/60 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu1_ic_prp":0 []

- entity 9: ipu2_vdic (3 pads, 3 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev3
pad0: Sink
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
<- "ipu2_csi0":1 []
<- "ipu2_csi1":1 []
pad1: Sink
[fmt:UYVY8_2X8/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
pad2: Source
[fmt:AYUV8_1X32/640x480@1/60 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu2_ic_prp":0 []

- entity 13: ipu1_ic_prp (3 pads, 5 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev4
pad0: Sink
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
<- "ipu1_vdic":2 []
<- "ipu1_csi0":1 []
<- "ipu1_csi1":1 []
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu1_ic_prpenc":0 []
pad2: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu1_ic_prpvf":0 []

- entity 17: ipu1_ic_prpenc (2 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev5
pad0: Sink
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
<- "ipu1_ic_prp":1 []
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu1_ic_prpenc capture":0 []

- entity 20: ipu1_ic_prpenc capture (1 pad, 1 link)
type Node subtype V4L flags 0
device node name /dev/video0
pad0: Sink
<- "ipu1_ic_prpenc":1 []

- entity 26: ipu1_ic_prpvf (2 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev6
pad0: Sink
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
<- "ipu1_ic_prp":2 []
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu1_ic_prpvf capture":0 []

- entity 29: ipu1_ic_prpvf capture (1 pad, 1 link)
type Node subtype V4L flags 0
device node name /dev/video1
pad0: Sink
<- "ipu1_ic_prpvf":1 []

- entity 35: ipu2_ic_prp (3 pads, 5 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev7
pad0: Sink
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
<- "ipu2_vdic":2 []
<- "ipu2_csi0":1 []
<- "ipu2_csi1":1 []
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu2_ic_prpenc":0 []
pad2: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu2_ic_prpvf":0 []

- entity 39: ipu2_ic_prpenc (2 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev8
pad0: Sink
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
<- "ipu2_ic_prp":1 []
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu2_ic_prpenc capture":0 []

- entity 42: ipu2_ic_prpenc capture (1 pad, 1 link)
type Node subtype V4L flags 0
device node name /dev/video2
pad0: Sink
<- "ipu2_ic_prpenc":1 []

- entity 48: ipu2_ic_prpvf (2 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev9
pad0: Sink
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
<- "ipu2_ic_prp":2 []
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu2_ic_prpvf capture":0 []

- entity 51: ipu2_ic_prpvf capture (1 pad, 1 link)
type Node subtype V4L flags 0
device node name /dev/video3
pad0: Sink
<- "ipu2_ic_prpvf":1 []

- entity 57: ipu1_csi0 (3 pads, 4 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev10
pad0: Sink
[fmt:UYVY8_2X8/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range
crop.bounds:(0,0)/640x480
crop:(0,0)/640x480
compose.bounds:(0,0)/640x480
compose:(0,0)/640x480]
<- "ipu1_csi0_mux":2 [ENABLED]
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu1_ic_prp":0 []
-> "ipu1_vdic":0 []
pad2: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu1_csi0 capture":0 [ENABLED]

- entity 61: ipu1_csi0 capture (1 pad, 1 link)
type Node subtype V4L flags 0
device node name /dev/video4
pad0: Sink
<- "ipu1_csi0":2 [ENABLED]

- entity 67: ipu1_csi1 (3 pads, 3 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev11
pad0: Sink
[fmt:UYVY8_2X8/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range
crop.bounds:(0,0)/640x480
crop:(0,0)/640x480
compose.bounds:(0,0)/640x480
compose:(0,0)/640x480]
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu1_ic_prp":0 []
-> "ipu1_vdic":0 []
pad2: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu1_csi1 capture":0 []

- entity 71: ipu1_csi1 capture (1 pad, 1 link)
type Node subtype V4L flags 0
device node name /dev/video5
pad0: Sink
<- "ipu1_csi1":2 []

- entity 77: ipu2_csi0 (3 pads, 3 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev12
pad0: Sink
[fmt:UYVY8_2X8/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range
crop.bounds:(0,0)/640x480
crop:(0,0)/640x480
compose.bounds:(0,0)/640x480
compose:(0,0)/640x480]
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu2_ic_prp":0 []
-> "ipu2_vdic":0 []
pad2: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu2_csi0 capture":0 []

- entity 81: ipu2_csi0 capture (1 pad, 1 link)
type Node subtype V4L flags 0
device node name /dev/video6
pad0: Sink
<- "ipu2_csi0":2 []

- entity 87: ipu2_csi1 (3 pads, 4 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev13
pad0: Sink
[fmt:UYVY8_2X8/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range
crop.bounds:(0,0)/640x480
crop:(0,0)/640x480
compose.bounds:(0,0)/640x480
compose:(0,0)/640x480]
<- "ipu2_csi1_mux":2 []
pad1: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu2_ic_prp":0 []
-> "ipu2_vdic":0 []
pad2: Source
[fmt:AYUV8_1X32/640x480@1/30 field:none colorspace:smpte170m xfer:709 ycbcr:601 quantization:lim-range]
-> "ipu2_csi1 capture":0 []

- entity 91: ipu2_csi1 capture (1 pad, 1 link)
type Node subtype V4L flags 0
device node name /dev/video7
pad0: Sink
<- "ipu2_csi1":2 []

- entity 97: ipu1_csi0_mux (3 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev14
pad0: Sink
[fmt:unknown/0x0]
pad1: Sink
[fmt:unknown/0x0]
<- "tda19971 2-0048":0 [ENABLED]
pad2: Source
[fmt:unknown/0x0]
-> "ipu1_csi0":0 [ENABLED]

- entity 101: ipu2_csi1_mux (3 pads, 2 links)
type V4L2 subdev subtype Unknown flags 0
device node name /dev/v4l-subdev15
pad0: Sink
[fmt:unknown/0x0]
pad1: Sink
[fmt:unknown/0x0]
<- "adv7180 2-0020":0 []
pad2: Source
[fmt:unknown/0x0]
-> "ipu2_csi1":0 []

v4l2-compliance test results:
root@ventana:~# v4l2-compliance -d /dev/video6
Driver Info:
Driver name : imx-media-captu
Card type : imx-media-capture
Bus info : platform:ipu2_csi0
Driver version: 4.13.0
Capabilities : 0x84200001
Video Capture
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04200001
Video Capture
Streaming
Extended Pix Format

Compliance test for device /dev/video6 (not using libv4l2):

Required ioctls:
test VIDIOC_QUERYCAP: OK

Allow for multiple opens:
test second video open: OK
test VIDIOC_QUERYCAP: OK
test VIDIOC_G/S_PRIORITY: OK

Debug ioctls:
test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
test VIDIOC_LOG_STATUS: OK (Not Supported)

Input ioctls:
test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
test VIDIOC_ENUMAUDIO: OK (Not Supported)
fail: v4l2-test-input-output.cpp(418): G_INPUT not supported for a capture device
test VIDIOC_G/S/ENUMINPUT: FAIL
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 0 Audio Inputs: 0 Tuners: 0

Output ioctls:
test VIDIOC_G/S_MODULATOR: OK (Not Supported)
test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
test VIDIOC_ENUMAUDOUT: OK (Not Supported)
test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
test VIDIOC_G/S_AUDOUT: OK (Not Supported)
Outputs: 0 Audio Outputs: 0 Modulators: 0

Input/Output configuration ioctls:
test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
test VIDIOC_G/S_EDID: OK (Not Supported)

Control ioctls:
test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
test VIDIOC_QUERYCTRL: OK
test VIDIOC_G/S_CTRL: OK
fail: v4l2-test-controls.cpp(574): g_ext_ctrls does not support count == 0
test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL
test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK (Not Supported)
test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
Standard Controls: 0 Private Controls: 0

Format ioctls:
test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
test VIDIOC_G/S_PARM: OK
test VIDIOC_G_FBUF: OK (Not Supported)
test VIDIOC_G_FMT: OK
test VIDIOC_TRY_FMT: OK
test VIDIOC_S_FMT: OK
test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
test Cropping: OK (Not Supported)
test Composing: OK (Not Supported)
test Scaling: OK (Not Supported)

Codec ioctls:
test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
test VIDIOC_G_ENC_INDEX: OK (Not Supported)
test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)

Buffer ioctls:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
test VIDIOC_EXPBUF: OK

Test input 0:

Total: 42, Succeeded: 40, Failed: 2, Warnings: 0

Tim Harvey (4):
MAINTAINERS: add entry for NXP TDA1997x driver
media: dt-bindings: Add bindings for TDA1997X
media: i2c: Add TDA1997x HDMI receiver driver
ARM: dts: imx: Add TDA19971 HDMI Receiver to GW54xx

.../devicetree/bindings/media/i2c/tda1997x.txt | 179 ++
MAINTAINERS | 8 +
arch/arm/boot/dts/imx6q-gw54xx.dts | 102 +
arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 29 +-
drivers/media/i2c/Kconfig | 9 +
drivers/media/i2c/Makefile | 1 +
drivers/media/i2c/tda1997x.c | 3336 ++++++++++++++++++++
include/dt-bindings/media/tda1997x.h | 78 +
include/media/i2c/tda1997x.h | 53 +
9 files changed, 3792 insertions(+), 3 deletions(-)
create mode 100644 Documentation/devicetree/bindings/media/i2c/tda1997x.txt
create mode 100644 drivers/media/i2c/tda1997x.c
create mode 100644 include/dt-bindings/media/tda1997x.h
create mode 100644 include/media/i2c/tda1997x.h

--
2.7.4

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