[PATCH v6 0/6] TDA1997x HDMI video receiver

From: Tim Harvey
Date: Thu Dec 28 2017 - 15:10:37 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/GW551x with an IMX6Q/IMX6DL which
uses the TDA19971 with 16bits connected to the IMX6 CSI and single-lane
I2S audio providing 2-channel audio.

For this configuration I've tested both 16bit YUV422 and 8bit
BT656 parallel video bus modes.

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)

Media graphs can be found at http://dev.gateworks.com/docs/linux/media

History:
v6:
- tda1997x: fix return on regulator enablei in tda1997x_set_power() (Fabio)
- tda1997x: fix colorspace handling (Hans)
- bindings: added Robs's ack (Rob)
- replace copyright with SPDX tag (Philippe)

v5:
- added v4l2_hdmi_colorimetry() patch from Hans to series
- bindings: added Sakari's ack
- tda1997x: uppercase string constants
- tda1997x: use v4l2_hdmi_rx_coloriemtry to fill format
- tda1997x: fix V4L2_CID_DV_RX_RGB_RANGE
- tda1997x: fix interlaced mode format
- dts: remove leading 0 from unit address
- dts: add newline between property list and child node
- dts: added missing audmux in GW551x dts

v4:
- move include/dt-bindings/media/tda1997x.h to bindings patch
- clarify port node details in bindings
- fix typos
- fix default quant range for VGA
- fix quant range handling and conv matrix
- add additional standards and capabilities to timings_cap

v3:
- fix typo in dt bindings
- added dt bindings for GW551x
- use V4L2_DV_BT_FRAME_WIDTH/HEIGHT macros
- fixed missing break
- use only hdmi_infoframe_log for infoframe logging
- simplify tda1997x_s_stream error handling
- add delayed work proc to handle hotplug enable/disable
- fix set_edid (disable HPD before writing, enable after)
- remove enabling edid by default
- initialize timings
- take quant range into account in colorspace conversion
- remove vendor/product tracking (we provide this in log_status via
infoframes)
- add v4l_controls
- add more detail to log_status
- calculate vhref generator timings
- timing detection fixes (rounding errors, hswidth errors)
- rename configure_input/configure_conv functions

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_1X16/640x480 field:none colorspace:srgb]
[dv.caps:BT.656/1120 min:640x480@13000000 max:1920x1080@165000000 stds:CEA-861,DMT caps:progressive]
[dv.detect:BT.656/1120 640x480p59 (800x525) stds:CEA-861,DMT flags:has-cea861-vic]
[dv.current:BT.656/1120 1920x1080p60 (2200x1125) stds:CEA-861,DMT flags:can-reduce-fps,CE-video,has-cea861-vic]
-> "ipu1_csi0_mux":1 []

- 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 []
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 []

- 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 []

- 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 []
pad2: Source
[fmt:unknown/0x0]
-> "ipu1_csi0":0 []

- 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:
(on /dev/video6 as v4l2-compliance doesn't yet support subdevs)
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

Hans Verkuil (1):
v4l2-dv-timings: add v4l2_hdmi_colorimetry()

Tim Harvey (5):
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
ARM: dts: imx: Add TDA19971 HDMI Receiver to GW551x

.../devicetree/bindings/media/i2c/tda1997x.txt | 179 +
MAINTAINERS | 8 +
arch/arm/boot/dts/imx6q-gw54xx.dts | 105 +
arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 29 +-
arch/arm/boot/dts/imx6qdl-gw551x.dtsi | 138 +
drivers/media/i2c/Kconfig | 9 +
drivers/media/i2c/Makefile | 1 +
drivers/media/i2c/tda1997x.c | 3476 ++++++++++++++++++++
drivers/media/v4l2-core/v4l2-dv-timings.c | 141 +
include/dt-bindings/media/tda1997x.h | 74 +
include/media/i2c/tda1997x.h | 41 +
include/media/v4l2-dv-timings.h | 21 +
12 files changed, 4219 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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