linux-kernel - Re: [RESEND PATCH v6 1/1] Added Digiteq Automotive MGB4 driver

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Date:   Thu, 8 Jun 2023 17:30:17 +0200
From:   Martin Tůma <tumic@...see.org>
To:     Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Martin Tůma <martin.tuma@...iteqautomotive.com>
Subject: Re: [RESEND PATCH v6 1/1] Added Digiteq Automotive MGB4 driver

On 08. 06. 23 12:23, Hans Verkuil wrote:

> Can you make a list of which sysfs properties correspond to existing V4L2
> format or timing fields and which are 'new'?
> 

On the left all the current mgb4 sysfs properties (see the admin-guide 
doc from the patch for description), on the right v4l2 structures where 
they could be mapped (may not be true for all of them in the patch, I 
will check it and update the code in v7)


--- PCIE CARD ---

module_type		-
module_version		-
fw_type			-
fw_version		-
serial_number		-
temperature		hwmon

--- INPUTS ---

input_id		-
oldi_lane_width		-
color_mapping		-
link_status		v4l2_input.status (V4L2_IN_ST_NO_SYNC)
stream_status		v4l2_input.status (V4L2_IN_ST_NO_SIGNAL)
video_width		v4l2_bt_timings.width
video_height		v4l2_bt_timings.height
vsync_status		v4l2_bt_timings.polarities
hsync_status		v4l2_bt_timings.polarities
vsync_gap_length	-
hsync_gap_length	-
pclk_frequency		v4l2_bt_timings.pixelclock
hsync_width		v4l2_bt_timings.hsync
vsync_width		v4l2_bt_timings.vsync
hback_porch		v4l2_bt_timings.hbackporch
hfront_porch		v4l2_bt_timings.hfrontporch
vback_porch		v4l2_bt_timings.vbackporch
vfront_porch		v4l2_bt_timings.vfrontporch
frequency_range		-
alignment		v4l2_pix_format.bytesperline
fpdl3_input_width	-
gmsl_mode		-
gmsl_stream_id		-
gmsl_fec		-

--- OUTPUTS ---

output_id		-
video_source		-
display_width		v4l2_bt_timings.width
display_height		v4l2_bt_timings.height
frame_rate		v4l2_frmivalenum
hsync_polarity		v4l2_bt_timings.polarities
vsync_polarity		v4l2_bt_timings.polarities
de_polarity		-
pclk_frequency		v4l2_bt_timings.pixelclock
hsync_width		v4l2_bt_timings.hsync
vsync_width		v4l2_bt_timings.vsync
vsync_width		v4l2_bt_timings.vsync
hback_porch		v4l2_bt_timings.hbackporch
hfront_porch		v4l2_bt_timings.hfrontporch
vback_porch		v4l2_bt_timings.vbackporch
vfront_porch		v4l2_bt_timings.vfrontporch
alignment		v4l2_pix_format.bytesperline
fpdl3_output_width	-


M.