linux-kernel - Re: [PATCH v2 2/2] media: i2c: Add driver for Sony IMX728

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Date: Mon, 01 Jul 2024 11:25:01 +0200
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, Sakari Ailus <sakari.ailus@...ux.intel.com>, Spencer Hill <shill@...ngineering.com>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>, Dave Stevenson <dave.stevenson@...pberrypi.com>, Spencer Hill <shill@...ngineering.com>
Cc: linux-kernel@...r.kernel.org, linux-media@...r.kernel.org, devicetree@...r.kernel.org, imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 2/2] media: i2c: Add driver for Sony IMX728

Hi,

Am Freitag, 28. Juni 2024, 23:17:01 CEST schrieb Spencer Hill:
> Add a driver for the Sony IMX728 image sensor.
> 
> Signed-off-by: Spencer Hill <shill@...ngineering.com>
> ---
>  drivers/media/i2c/Kconfig  |   11 +
>  drivers/media/i2c/Makefile |    1 +
>  drivers/media/i2c/imx728.c | 4660 ++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 4672 insertions(+)
> 
> diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
> index c6d3ee472d81..46b6463c558a 100644
> --- a/drivers/media/i2c/Kconfig
> +++ b/drivers/media/i2c/Kconfig
> @@ -233,6 +233,17 @@ config VIDEO_IMX415
>           To compile this driver as a module, choose M here: the
>           module will be called imx415.
> 
> +config VIDEO_IMX728
> +       tristate "Sony IMX728 sensor support"
> +       depends on OF_GPIO
> +       select V4L2_CCI_I2C
> +       help
> +         This is a Video4Linux2 sensor driver for the Sony
> +         IMX728 camera.
> +
> +         To compile this driver as a module, choose M here: the
> +         module will be called imx728.
> +
>  config VIDEO_MAX9271_LIB
>         tristate
> 
> diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
> index dfbe6448b549..1188420ee1b4 100644
> --- a/drivers/media/i2c/Makefile
> +++ b/drivers/media/i2c/Makefile
> @@ -56,6 +56,7 @@ obj-$(CONFIG_VIDEO_IMX335) += imx335.o
>  obj-$(CONFIG_VIDEO_IMX355) += imx355.o
>  obj-$(CONFIG_VIDEO_IMX412) += imx412.o
>  obj-$(CONFIG_VIDEO_IMX415) += imx415.o
> +obj-$(CONFIG_VIDEO_IMX728) += imx728.o
>  obj-$(CONFIG_VIDEO_IR_I2C) += ir-kbd-i2c.o
>  obj-$(CONFIG_VIDEO_ISL7998X) += isl7998x.o
>  obj-$(CONFIG_VIDEO_KS0127) += ks0127.o
> diff --git a/drivers/media/i2c/imx728.c b/drivers/media/i2c/imx728.c
> new file mode 100644
> index 000000000000..190f54aaf4e9
> --- /dev/null
> +++ b/drivers/media/i2c/imx728.c
> @@ -0,0 +1,4660 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Sony IMX728 CMOS Image Sensor Driver
> + *
> + * Copyright (c) 2024 Define Design Deploy Corp
> + */
> +
> +#include <linux/delay.h>
> +#include <linux/clk.h>
> +#include <linux/gpio/consumer.h>
> +#include <linux/i2c.h>
> +#include <linux/types.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/pm_runtime.h>
> +#include <linux/v4l2-mediabus.h>
> +#include <linux/videodev2.h>
> +#include <media/v4l2-subdev.h>
> +#include <media/v4l2-ctrls.h>
> +#include <media/v4l2-event.h>
> +#include <media/v4l2-cci.h>
> +
> +#define IMX728_FRAMERATE_MAX           30

Bindings state the framerate is up to 45 fps, to this should be
set accordingly.

> +#define IMX728_FRAMERATE_DEFAULT       30
> +#define IMX728_FRAMERATE_MIN           10
> +
> +#define IMX728_PIXEL_ARRAY_WIDTH       3857
> +#define IMX728_PIXEL_ARRAY_HEIGHT      2177
> +#define IMX728_PIXEL_ARRAY_MARGIN_TOP  9
> +#define IMX728_PIXEL_ARRAY_MARGIN_LEFT 8
> +#define IMX728_PIXEL_ARRAY_RECORDING_WIDTH     3840
> +#define IMX728_PIXEL_ARRAY_RECORDING_HEIGHT    2160
> +
> +#define IMX728_PIXEL_RATE              248832000
> +#define IMX728_LINK_FREQ               800000000
> +
> +#define IMX728_EXPOSURE_DEFAULT                10000
> +
> +#define IMX728_PM_IDLE_TIMEOUT         1000
> +
> +#define IMX728_REG_STATE       CCI_REG8(0x2CAC)
> +#define IMX728_REG_PG_00       CCI_REG16_LE(0x1A2A)
> +#define IMX728_REG_PG_01       CCI_REG24_LE(0x1A30)
> +#define IMX728_REG_PG_02       CCI_REG24_LE(0x1A38)
> +#define IMX728_REG_PG_03       CCI_REG8(0xB58F)
> +#define IMX728_REG_PG_04       CCI_REG8(0xB6C5)
> +#define IMX728_REG_PG_05       CCI_REG16_LE(0x1A2C)
> +#define IMX728_REG_PG_06       CCI_REG8(0xB58E)
> +#define IMX728_REG_PG_07       CCI_REG8(0xB6C4)
> +#define IMX728_REG_EXPOSURE_00 CCI_REG32_LE(0x98DC)
> +#define IMX728_REG_EXPOSURE_01 CCI_REG32_LE(0x98E4)
> +#define IMX728_REG_EXPOSURE_02 CCI_REG32_LE(0x98EC)
> +#define IMX728_REG_AGAIN_00    CCI_REG32_LE(0x98F8)
> +#define IMX728_REG_AGAIN_01    CCI_REG32_LE(0x98FC)
> +#define IMX728_REG_AGAIN_02    CCI_REG32_LE(0x9900)
> +#define IMX728_REG_AGAIN_03    CCI_REG32_LE(0x9904)
> +#define IMX728_REG_AGAIN_04    CCI_REG32_LE(0x9908)
> +#define IMX728_REG_FLIP                CCI_REG8(0x9651)
> +#define IMX728_REG_HFLIP       CCI_REG8(0xB67C)
> +#define IMX728_REG_VFLIP       CCI_REG8(0xB67D)
> +#define IMX728_REG_VMINOR      CCI_REG8(0x6000)
> +#define IMX728_REG_VMAJOR      CCI_REG8(0x6002)
> +#define IMX728_REG_RESET_0     CCI_REG8(0xB661)
> +#define IMX728_REG_RESET_1     CCI_REG8(0x95C5)
> +#define IMX728_REG_INCK_0      CCI_REG8(0x1B20)
> +#define IMX728_REG_INCK_1      CCI_REG8(0x1B1C)
> +#define IMX728_REG_SLEEP       CCI_REG8(0x1B05)
> +#define IMX728_REG_REGMAP      CCI_REG8(0xFFFF)
> +#define IMX728_REG_HDR_00      CCI_REG32_LE(0x9C60)
> +#define IMX728_REG_HDR_01      CCI_REG32_LE(0x9C6C)
> +#define IMX728_REG_HDR_02      CCI_REG32_LE(0x9C64)
> +#define IMX728_REG_HDR_03      CCI_REG32_LE(0x9C70)
> +#define IMX728_REG_HDR_04      CCI_REG16_LE(0x9C68)
> +#define IMX728_REG_HDR_05      CCI_REG16_LE(0x9C74)
> +#define IMX728_REG_HDR_06      CCI_REG16_LE(0x9C6A)
> +#define IMX728_REG_HDR_07      CCI_REG16_LE(0x9C76)
> +#define IMX728_REG_AE_MODE     CCI_REG8(0x98AC)
> +#define IMX728_REG_AWBMODE     CCI_REG8(0xA248)
> +#define IMX728_REG_AWB_EN      CCI_REG8(0x1808)
> +#define IMX728_REG_UNIT_00     CCI_REG8(0x98E0)
> +#define IMX728_REG_UNIT_01     CCI_REG8(0x98E8)
> +#define IMX728_REG_UNIT_02     CCI_REG8(0x98F0)
> +#define IMX728_REG_MD_00       CCI_REG8(0x1708)
> +#define IMX728_REG_MD_01       CCI_REG8(0x1709)
> +#define IMX728_REG_MD_02       CCI_REG8(0x170A)
> +#define IMX728_REG_MD_03       CCI_REG8(0x1B40)
> +#define IMX728_REG_MODE_SEL    CCI_REG16_LE(0x9728)
> +#define IMX728_REG_OUT_MODE    CCI_REG8(0xEC7E)
> +#define IMX728_REG_OB_0                CCI_REG16_LE(0xEC12)
> +#define IMX728_REG_OB_1                CCI_REG8(0xEC14)
> +#define IMX728_REG_SKEW                CCI_REG8(0x1761)
> +#define IMX728_REG_SUBP_0      CCI_REG8(0x9714)
> +#define IMX728_REG_SUBP_1      CCI_REG8(0xB684)
> +#define IMX728_REG_STREAM_00   CCI_REG8(0x9789)
> +#define IMX728_REG_STREAM_01   CCI_REG8(0x95C1)
> +#define IMX728_REG_STREAM_02   CCI_REG8(0x1B04)

Can you sort them by register address?

> +#define IMX728_REG_CTRL_POINT_X(i) CCI_REG32(0xA198 + (i) * 8)
> +#define IMX728_REG_CTRL_POINT_Y(i) (IMX728_REG_CTRL_POINT_X(i) + 4)

>[snip]

Best regards,
Alexander

> --
> 2.43.0
> 
> Please be aware that this email includes email addresses outside of the organization.
> 


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