subject:"\[PATCH v6 2\/2\] media\: i2c\: Add the ov7740 image sensor driver"

Re: [PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

2017-12-05 Thread Yang, Wenyou


Hi Sakari,


On 2017/12/5 18:45, Sakari Ailus wrote:

Hi Wenyou,

On Mon, Dec 04, 2017 at 02:58:58PM +0800, Wenyou Yang wrote:

The ov7740 (color) image sensor is a high performance VGA CMOS
image snesor, which supports for output formats: RAW RGB and YUV
and image sizes: VGA, and QVGA, CIF and any size smaller.

Signed-off-by: Songjun Wu 
Signed-off-by: Wenyou Yang 
---

Changes in v6:
  - Remove unnecessary #include .
  - Remove unnecessary comments and extra newline.
  - Add const for some structures.
  - Add the check of the return value from regmap_write().
  - Simplify the calling of __v4l2_ctrl_handler_setup().
  - Add the default format initialization function.
  - Integrate the set_power() and enable/disable the clock into
one function.

Changes in v5:
  - Squash the driver and MAINTAINERS entry patches to one.
  - Precede the driver patch with the bindings patch.

Changes in v4:
  - Assign 'val' a initial value to avoid warning: 'val' may be
used uninitialized.
  - Rename REG_REG15 to avoid warning: "REG_REG15" redefined.

Changes in v3:
  - Put the MAINTAINERS change to a separate patch.

Changes in v2:
  - Split off the bindings into a separate patch.
  - Add a new entry to the MAINTAINERS file.

  MAINTAINERS|8 +
  drivers/media/i2c/Kconfig  |8 +
  drivers/media/i2c/Makefile |1 +
  drivers/media/i2c/ov7740.c | 1226 
  4 files changed, 1243 insertions(+)
  create mode 100644 drivers/media/i2c/ov7740.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 7a52a66aa991..1de965009b13 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10053,6 +10053,14 @@ S: Maintained
  F:drivers/media/i2c/ov7670.c
  F:Documentation/devicetree/bindings/media/i2c/ov7670.txt
  
+OMNIVISION OV7740 SENSOR DRIVER

+M: Wenyou Yang 
+L: linux-me...@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/ov7740.c
+F: Documentation/devicetree/bindings/media/i2c/ov7740.txt
+
  ONENAND FLASH DRIVER
  M:Kyungmin Park 
  L:linux-...@lists.infradead.org
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index cb5d7ff82915..00b1c4c031d4 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -665,6 +665,14 @@ config VIDEO_OV7670
  OV7670 VGA camera.  It currently only works with the M88ALP01
  controller.
  
+config VIDEO_OV7740

+   tristate "OmniVision OV7740 sensor support"
+   depends on I2C && VIDEO_V4L2
+   depends on MEDIA_CAMERA_SUPPORT
+   ---help---
+ This is a Video4Linux2 sensor-level driver for the OmniVision
+ OV7740 VGA camera sensor.
+
  config VIDEO_OV9650
tristate "OmniVision OV9650/OV9652 sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index 548a9efce966..9b19ec7fcaf4 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -68,6 +68,7 @@ obj-$(CONFIG_VIDEO_OV5670) += ov5670.o
  obj-$(CONFIG_VIDEO_OV6650) += ov6650.o
  obj-$(CONFIG_VIDEO_OV7640) += ov7640.o
  obj-$(CONFIG_VIDEO_OV7670) += ov7670.o
+obj-$(CONFIG_VIDEO_OV7740) += ov7740.o
  obj-$(CONFIG_VIDEO_OV9650) += ov9650.o
  obj-$(CONFIG_VIDEO_OV13858) += ov13858.o
  obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o
diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c
new file mode 100644
index ..42c25277d005
--- /dev/null
+++ b/drivers/media/i2c/ov7740.c
@@ -0,0 +1,1226 @@
+/*
+ * Copyright (c) 2017 Microchip Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define REG_OUTSIZE_LSB 0x34
+
+/* OV7740 register tables */
+#define REG_GAIN   0x00/* Gain lower 8 bits (rest in vref) */
+#define REG_BGAIN  0x01/* blue gain */
+#define REG_RGAIN  0x02/* red gain */
+#define REG_GGAIN  0x03/* green gain */
+#define REG_REG04  0x04/* analog setting, dont change*/
+#define REG_BAVG   0x05/* b channel average */
+#define REG_GAVG   0x06/* g channel average */
+#define REG_RAVG   0x07/* r channel average */
+
+#define REG_REG0C  0x0C/* filp enable */
+#define REG0C_IMG_FLIP 0x80
+#define REG0C_IMG_MIRROR   0x40
+
+#define REG_REG0E  0x0E/* blc line */
+#define REG_HAEC

Re: [PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

2017-12-05 Thread Yang, Wenyou


Hi Sakari,


On 2017/12/5 18:45, Sakari Ailus wrote:

Hi Wenyou,

On Mon, Dec 04, 2017 at 02:58:58PM +0800, Wenyou Yang wrote:

The ov7740 (color) image sensor is a high performance VGA CMOS
image snesor, which supports for output formats: RAW RGB and YUV
and image sizes: VGA, and QVGA, CIF and any size smaller.

Signed-off-by: Songjun Wu 
Signed-off-by: Wenyou Yang 
---

Changes in v6:
  - Remove unnecessary #include .
  - Remove unnecessary comments and extra newline.
  - Add const for some structures.
  - Add the check of the return value from regmap_write().
  - Simplify the calling of __v4l2_ctrl_handler_setup().
  - Add the default format initialization function.
  - Integrate the set_power() and enable/disable the clock into
one function.

Changes in v5:
  - Squash the driver and MAINTAINERS entry patches to one.
  - Precede the driver patch with the bindings patch.

Changes in v4:
  - Assign 'val' a initial value to avoid warning: 'val' may be
used uninitialized.
  - Rename REG_REG15 to avoid warning: "REG_REG15" redefined.

Changes in v3:
  - Put the MAINTAINERS change to a separate patch.

Changes in v2:
  - Split off the bindings into a separate patch.
  - Add a new entry to the MAINTAINERS file.

  MAINTAINERS|8 +
  drivers/media/i2c/Kconfig  |8 +
  drivers/media/i2c/Makefile |1 +
  drivers/media/i2c/ov7740.c | 1226 
  4 files changed, 1243 insertions(+)
  create mode 100644 drivers/media/i2c/ov7740.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 7a52a66aa991..1de965009b13 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10053,6 +10053,14 @@ S: Maintained
  F:drivers/media/i2c/ov7670.c
  F:Documentation/devicetree/bindings/media/i2c/ov7670.txt
  
+OMNIVISION OV7740 SENSOR DRIVER

+M: Wenyou Yang 
+L: linux-me...@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/ov7740.c
+F: Documentation/devicetree/bindings/media/i2c/ov7740.txt
+
  ONENAND FLASH DRIVER
  M:Kyungmin Park 
  L:linux-...@lists.infradead.org
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index cb5d7ff82915..00b1c4c031d4 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -665,6 +665,14 @@ config VIDEO_OV7670
  OV7670 VGA camera.  It currently only works with the M88ALP01
  controller.
  
+config VIDEO_OV7740

+   tristate "OmniVision OV7740 sensor support"
+   depends on I2C && VIDEO_V4L2
+   depends on MEDIA_CAMERA_SUPPORT
+   ---help---
+ This is a Video4Linux2 sensor-level driver for the OmniVision
+ OV7740 VGA camera sensor.
+
  config VIDEO_OV9650
tristate "OmniVision OV9650/OV9652 sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index 548a9efce966..9b19ec7fcaf4 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -68,6 +68,7 @@ obj-$(CONFIG_VIDEO_OV5670) += ov5670.o
  obj-$(CONFIG_VIDEO_OV6650) += ov6650.o
  obj-$(CONFIG_VIDEO_OV7640) += ov7640.o
  obj-$(CONFIG_VIDEO_OV7670) += ov7670.o
+obj-$(CONFIG_VIDEO_OV7740) += ov7740.o
  obj-$(CONFIG_VIDEO_OV9650) += ov9650.o
  obj-$(CONFIG_VIDEO_OV13858) += ov13858.o
  obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o
diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c
new file mode 100644
index ..42c25277d005
--- /dev/null
+++ b/drivers/media/i2c/ov7740.c
@@ -0,0 +1,1226 @@
+/*
+ * Copyright (c) 2017 Microchip Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define REG_OUTSIZE_LSB 0x34
+
+/* OV7740 register tables */
+#define REG_GAIN   0x00/* Gain lower 8 bits (rest in vref) */
+#define REG_BGAIN  0x01/* blue gain */
+#define REG_RGAIN  0x02/* red gain */
+#define REG_GGAIN  0x03/* green gain */
+#define REG_REG04  0x04/* analog setting, dont change*/
+#define REG_BAVG   0x05/* b channel average */
+#define REG_GAVG   0x06/* g channel average */
+#define REG_RAVG   0x07/* r channel average */
+
+#define REG_REG0C  0x0C/* filp enable */
+#define REG0C_IMG_FLIP 0x80
+#define REG0C_IMG_MIRROR   0x40
+
+#define REG_REG0E  0x0E/* blc line */
+#define REG_HAEC   0x0F/* auto exposure cntrl */
+#define REG_AEC0x10/* auto exposure cntrl */

Re: [PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

2017-12-05 Thread Sakari Ailus

Hi Wenyou,

On Mon, Dec 04, 2017 at 02:58:58PM +0800, Wenyou Yang wrote:
> The ov7740 (color) image sensor is a high performance VGA CMOS
> image snesor, which supports for output formats: RAW RGB and YUV
> and image sizes: VGA, and QVGA, CIF and any size smaller.
> 
> Signed-off-by: Songjun Wu 
> Signed-off-by: Wenyou Yang 
> ---
> 
> Changes in v6:
>  - Remove unnecessary #include .
>  - Remove unnecessary comments and extra newline.
>  - Add const for some structures.
>  - Add the check of the return value from regmap_write().
>  - Simplify the calling of __v4l2_ctrl_handler_setup().
>  - Add the default format initialization function.
>  - Integrate the set_power() and enable/disable the clock into
>one function.
> 
> Changes in v5:
>  - Squash the driver and MAINTAINERS entry patches to one.
>  - Precede the driver patch with the bindings patch.
> 
> Changes in v4:
>  - Assign 'val' a initial value to avoid warning: 'val' may be
>used uninitialized.
>  - Rename REG_REG15 to avoid warning: "REG_REG15" redefined.
> 
> Changes in v3:
>  - Put the MAINTAINERS change to a separate patch.
> 
> Changes in v2:
>  - Split off the bindings into a separate patch.
>  - Add a new entry to the MAINTAINERS file.
> 
>  MAINTAINERS|8 +
>  drivers/media/i2c/Kconfig  |8 +
>  drivers/media/i2c/Makefile |1 +
>  drivers/media/i2c/ov7740.c | 1226 
> 
>  4 files changed, 1243 insertions(+)
>  create mode 100644 drivers/media/i2c/ov7740.c
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 7a52a66aa991..1de965009b13 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -10053,6 +10053,14 @@ S:   Maintained
>  F:   drivers/media/i2c/ov7670.c
>  F:   Documentation/devicetree/bindings/media/i2c/ov7670.txt
>  
> +OMNIVISION OV7740 SENSOR DRIVER
> +M:   Wenyou Yang 
> +L:   linux-me...@vger.kernel.org
> +T:   git git://linuxtv.org/media_tree.git
> +S:   Maintained
> +F:   drivers/media/i2c/ov7740.c
> +F:   Documentation/devicetree/bindings/media/i2c/ov7740.txt
> +
>  ONENAND FLASH DRIVER
>  M:   Kyungmin Park 
>  L:   linux-...@lists.infradead.org
> diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
> index cb5d7ff82915..00b1c4c031d4 100644
> --- a/drivers/media/i2c/Kconfig
> +++ b/drivers/media/i2c/Kconfig
> @@ -665,6 +665,14 @@ config VIDEO_OV7670
> OV7670 VGA camera.  It currently only works with the M88ALP01
> controller.
>  
> +config VIDEO_OV7740
> + tristate "OmniVision OV7740 sensor support"
> + depends on I2C && VIDEO_V4L2
> + depends on MEDIA_CAMERA_SUPPORT
> + ---help---
> +   This is a Video4Linux2 sensor-level driver for the OmniVision
> +   OV7740 VGA camera sensor.
> +
>  config VIDEO_OV9650
>   tristate "OmniVision OV9650/OV9652 sensor support"
>   depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
> diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
> index 548a9efce966..9b19ec7fcaf4 100644
> --- a/drivers/media/i2c/Makefile
> +++ b/drivers/media/i2c/Makefile
> @@ -68,6 +68,7 @@ obj-$(CONFIG_VIDEO_OV5670) += ov5670.o
>  obj-$(CONFIG_VIDEO_OV6650) += ov6650.o
>  obj-$(CONFIG_VIDEO_OV7640) += ov7640.o
>  obj-$(CONFIG_VIDEO_OV7670) += ov7670.o
> +obj-$(CONFIG_VIDEO_OV7740) += ov7740.o
>  obj-$(CONFIG_VIDEO_OV9650) += ov9650.o
>  obj-$(CONFIG_VIDEO_OV13858) += ov13858.o
>  obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o
> diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c
> new file mode 100644
> index ..42c25277d005
> --- /dev/null
> +++ b/drivers/media/i2c/ov7740.c
> @@ -0,0 +1,1226 @@
> +/*
> + * Copyright (c) 2017 Microchip Corporation.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License version
> + * 2 as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + */
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +
> +#define REG_OUTSIZE_LSB 0x34
> +
> +/* OV7740 register tables */
> +#define REG_GAIN 0x00/* Gain lower 8 bits (rest in vref) */
> +#define REG_BGAIN0x01/* blue gain */
> +#define REG_RGAIN0x02/* red gain */
> +#define REG_GGAIN0x03/* green gain */
> +#define REG_REG040x04/* analog setting, dont change*/
> +#define REG_BAVG 0x05/* b channel average */
> +#define REG_GAVG 0x06/* g channel average */
> +#define REG_RAVG 0x07/* r channel average */
> +
> +#define REG_REG0C0x0C/* filp enable */
> +#define

Re: [PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

2017-12-05 Thread Sakari Ailus

Hi Wenyou,

On Mon, Dec 04, 2017 at 02:58:58PM +0800, Wenyou Yang wrote:
> The ov7740 (color) image sensor is a high performance VGA CMOS
> image snesor, which supports for output formats: RAW RGB and YUV
> and image sizes: VGA, and QVGA, CIF and any size smaller.
> 
> Signed-off-by: Songjun Wu 
> Signed-off-by: Wenyou Yang 
> ---
> 
> Changes in v6:
>  - Remove unnecessary #include .
>  - Remove unnecessary comments and extra newline.
>  - Add const for some structures.
>  - Add the check of the return value from regmap_write().
>  - Simplify the calling of __v4l2_ctrl_handler_setup().
>  - Add the default format initialization function.
>  - Integrate the set_power() and enable/disable the clock into
>one function.
> 
> Changes in v5:
>  - Squash the driver and MAINTAINERS entry patches to one.
>  - Precede the driver patch with the bindings patch.
> 
> Changes in v4:
>  - Assign 'val' a initial value to avoid warning: 'val' may be
>used uninitialized.
>  - Rename REG_REG15 to avoid warning: "REG_REG15" redefined.
> 
> Changes in v3:
>  - Put the MAINTAINERS change to a separate patch.
> 
> Changes in v2:
>  - Split off the bindings into a separate patch.
>  - Add a new entry to the MAINTAINERS file.
> 
>  MAINTAINERS|8 +
>  drivers/media/i2c/Kconfig  |8 +
>  drivers/media/i2c/Makefile |1 +
>  drivers/media/i2c/ov7740.c | 1226 
> 
>  4 files changed, 1243 insertions(+)
>  create mode 100644 drivers/media/i2c/ov7740.c
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 7a52a66aa991..1de965009b13 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -10053,6 +10053,14 @@ S:   Maintained
>  F:   drivers/media/i2c/ov7670.c
>  F:   Documentation/devicetree/bindings/media/i2c/ov7670.txt
>  
> +OMNIVISION OV7740 SENSOR DRIVER
> +M:   Wenyou Yang 
> +L:   linux-me...@vger.kernel.org
> +T:   git git://linuxtv.org/media_tree.git
> +S:   Maintained
> +F:   drivers/media/i2c/ov7740.c
> +F:   Documentation/devicetree/bindings/media/i2c/ov7740.txt
> +
>  ONENAND FLASH DRIVER
>  M:   Kyungmin Park 
>  L:   linux-...@lists.infradead.org
> diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
> index cb5d7ff82915..00b1c4c031d4 100644
> --- a/drivers/media/i2c/Kconfig
> +++ b/drivers/media/i2c/Kconfig
> @@ -665,6 +665,14 @@ config VIDEO_OV7670
> OV7670 VGA camera.  It currently only works with the M88ALP01
> controller.
>  
> +config VIDEO_OV7740
> + tristate "OmniVision OV7740 sensor support"
> + depends on I2C && VIDEO_V4L2
> + depends on MEDIA_CAMERA_SUPPORT
> + ---help---
> +   This is a Video4Linux2 sensor-level driver for the OmniVision
> +   OV7740 VGA camera sensor.
> +
>  config VIDEO_OV9650
>   tristate "OmniVision OV9650/OV9652 sensor support"
>   depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
> diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
> index 548a9efce966..9b19ec7fcaf4 100644
> --- a/drivers/media/i2c/Makefile
> +++ b/drivers/media/i2c/Makefile
> @@ -68,6 +68,7 @@ obj-$(CONFIG_VIDEO_OV5670) += ov5670.o
>  obj-$(CONFIG_VIDEO_OV6650) += ov6650.o
>  obj-$(CONFIG_VIDEO_OV7640) += ov7640.o
>  obj-$(CONFIG_VIDEO_OV7670) += ov7670.o
> +obj-$(CONFIG_VIDEO_OV7740) += ov7740.o
>  obj-$(CONFIG_VIDEO_OV9650) += ov9650.o
>  obj-$(CONFIG_VIDEO_OV13858) += ov13858.o
>  obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o
> diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c
> new file mode 100644
> index ..42c25277d005
> --- /dev/null
> +++ b/drivers/media/i2c/ov7740.c
> @@ -0,0 +1,1226 @@
> +/*
> + * Copyright (c) 2017 Microchip Corporation.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License version
> + * 2 as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + */
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +
> +#define REG_OUTSIZE_LSB 0x34
> +
> +/* OV7740 register tables */
> +#define REG_GAIN 0x00/* Gain lower 8 bits (rest in vref) */
> +#define REG_BGAIN0x01/* blue gain */
> +#define REG_RGAIN0x02/* red gain */
> +#define REG_GGAIN0x03/* green gain */
> +#define REG_REG040x04/* analog setting, dont change*/
> +#define REG_BAVG 0x05/* b channel average */
> +#define REG_GAVG 0x06/* g channel average */
> +#define REG_RAVG 0x07/* r channel average */
> +
> +#define REG_REG0C0x0C/* filp enable */
> +#define REG0C_IMG_FLIP   0x80
> +#define REG0C_IMG_MIRROR 0x40
> +
> +#define REG_REG0E0x0E/* blc

[PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

2017-12-03 Thread Wenyou Yang

The ov7740 (color) image sensor is a high performance VGA CMOS
image snesor, which supports for output formats: RAW RGB and YUV
and image sizes: VGA, and QVGA, CIF and any size smaller.

Signed-off-by: Songjun Wu 
Signed-off-by: Wenyou Yang 
---

Changes in v6:
 - Remove unnecessary #include .
 - Remove unnecessary comments and extra newline.
 - Add const for some structures.
 - Add the check of the return value from regmap_write().
 - Simplify the calling of __v4l2_ctrl_handler_setup().
 - Add the default format initialization function.
 - Integrate the set_power() and enable/disable the clock into
   one function.

Changes in v5:
 - Squash the driver and MAINTAINERS entry patches to one.
 - Precede the driver patch with the bindings patch.

Changes in v4:
 - Assign 'val' a initial value to avoid warning: 'val' may be
   used uninitialized.
 - Rename REG_REG15 to avoid warning: "REG_REG15" redefined.

Changes in v3:
 - Put the MAINTAINERS change to a separate patch.

Changes in v2:
 - Split off the bindings into a separate patch.
 - Add a new entry to the MAINTAINERS file.

 MAINTAINERS|8 +
 drivers/media/i2c/Kconfig  |8 +
 drivers/media/i2c/Makefile |1 +
 drivers/media/i2c/ov7740.c | 1226 
 4 files changed, 1243 insertions(+)
 create mode 100644 drivers/media/i2c/ov7740.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 7a52a66aa991..1de965009b13 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10053,6 +10053,14 @@ S: Maintained
 F: drivers/media/i2c/ov7670.c
 F: Documentation/devicetree/bindings/media/i2c/ov7670.txt
 
+OMNIVISION OV7740 SENSOR DRIVER
+M: Wenyou Yang 
+L: linux-me...@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/ov7740.c
+F: Documentation/devicetree/bindings/media/i2c/ov7740.txt
+
 ONENAND FLASH DRIVER
 M: Kyungmin Park 
 L: linux-...@lists.infradead.org
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index cb5d7ff82915..00b1c4c031d4 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -665,6 +665,14 @@ config VIDEO_OV7670
  OV7670 VGA camera.  It currently only works with the M88ALP01
  controller.
 
+config VIDEO_OV7740
+   tristate "OmniVision OV7740 sensor support"
+   depends on I2C && VIDEO_V4L2
+   depends on MEDIA_CAMERA_SUPPORT
+   ---help---
+ This is a Video4Linux2 sensor-level driver for the OmniVision
+ OV7740 VGA camera sensor.
+
 config VIDEO_OV9650
tristate "OmniVision OV9650/OV9652 sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index 548a9efce966..9b19ec7fcaf4 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -68,6 +68,7 @@ obj-$(CONFIG_VIDEO_OV5670) += ov5670.o
 obj-$(CONFIG_VIDEO_OV6650) += ov6650.o
 obj-$(CONFIG_VIDEO_OV7640) += ov7640.o
 obj-$(CONFIG_VIDEO_OV7670) += ov7670.o
+obj-$(CONFIG_VIDEO_OV7740) += ov7740.o
 obj-$(CONFIG_VIDEO_OV9650) += ov9650.o
 obj-$(CONFIG_VIDEO_OV13858) += ov13858.o
 obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o
diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c
new file mode 100644
index ..42c25277d005
--- /dev/null
+++ b/drivers/media/i2c/ov7740.c
@@ -0,0 +1,1226 @@
+/*
+ * Copyright (c) 2017 Microchip Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define REG_OUTSIZE_LSB 0x34
+
+/* OV7740 register tables */
+#define REG_GAIN   0x00/* Gain lower 8 bits (rest in vref) */
+#define REG_BGAIN  0x01/* blue gain */
+#define REG_RGAIN  0x02/* red gain */
+#define REG_GGAIN  0x03/* green gain */
+#define REG_REG04  0x04/* analog setting, dont change*/
+#define REG_BAVG   0x05/* b channel average */
+#define REG_GAVG   0x06/* g channel average */
+#define REG_RAVG   0x07/* r channel average */
+
+#define REG_REG0C  0x0C/* filp enable */
+#define REG0C_IMG_FLIP 0x80
+#define REG0C_IMG_MIRROR   0x40
+
+#define REG_REG0E  0x0E/* blc line */
+#define REG_HAEC   0x0F/* auto exposure cntrl */
+#define REG_AEC0x10/* auto exposure cntrl */
+
+#define REG_CLK0x11/* Clock

[PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

2017-12-03 Thread Wenyou Yang

The ov7740 (color) image sensor is a high performance VGA CMOS
image snesor, which supports for output formats: RAW RGB and YUV
and image sizes: VGA, and QVGA, CIF and any size smaller.

Signed-off-by: Songjun Wu 
Signed-off-by: Wenyou Yang 
---

Changes in v6:
 - Remove unnecessary #include .
 - Remove unnecessary comments and extra newline.
 - Add const for some structures.
 - Add the check of the return value from regmap_write().
 - Simplify the calling of __v4l2_ctrl_handler_setup().
 - Add the default format initialization function.
 - Integrate the set_power() and enable/disable the clock into
   one function.

Changes in v5:
 - Squash the driver and MAINTAINERS entry patches to one.
 - Precede the driver patch with the bindings patch.

Changes in v4:
 - Assign 'val' a initial value to avoid warning: 'val' may be
   used uninitialized.
 - Rename REG_REG15 to avoid warning: "REG_REG15" redefined.

Changes in v3:
 - Put the MAINTAINERS change to a separate patch.

Changes in v2:
 - Split off the bindings into a separate patch.
 - Add a new entry to the MAINTAINERS file.

 MAINTAINERS|8 +
 drivers/media/i2c/Kconfig  |8 +
 drivers/media/i2c/Makefile |1 +
 drivers/media/i2c/ov7740.c | 1226 
 4 files changed, 1243 insertions(+)
 create mode 100644 drivers/media/i2c/ov7740.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 7a52a66aa991..1de965009b13 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10053,6 +10053,14 @@ S: Maintained
 F: drivers/media/i2c/ov7670.c
 F: Documentation/devicetree/bindings/media/i2c/ov7670.txt
 
+OMNIVISION OV7740 SENSOR DRIVER
+M: Wenyou Yang 
+L: linux-me...@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/ov7740.c
+F: Documentation/devicetree/bindings/media/i2c/ov7740.txt
+
 ONENAND FLASH DRIVER
 M: Kyungmin Park 
 L: linux-...@lists.infradead.org
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index cb5d7ff82915..00b1c4c031d4 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -665,6 +665,14 @@ config VIDEO_OV7670
  OV7670 VGA camera.  It currently only works with the M88ALP01
  controller.
 
+config VIDEO_OV7740
+   tristate "OmniVision OV7740 sensor support"
+   depends on I2C && VIDEO_V4L2
+   depends on MEDIA_CAMERA_SUPPORT
+   ---help---
+ This is a Video4Linux2 sensor-level driver for the OmniVision
+ OV7740 VGA camera sensor.
+
 config VIDEO_OV9650
tristate "OmniVision OV9650/OV9652 sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index 548a9efce966..9b19ec7fcaf4 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -68,6 +68,7 @@ obj-$(CONFIG_VIDEO_OV5670) += ov5670.o
 obj-$(CONFIG_VIDEO_OV6650) += ov6650.o
 obj-$(CONFIG_VIDEO_OV7640) += ov7640.o
 obj-$(CONFIG_VIDEO_OV7670) += ov7670.o
+obj-$(CONFIG_VIDEO_OV7740) += ov7740.o
 obj-$(CONFIG_VIDEO_OV9650) += ov9650.o
 obj-$(CONFIG_VIDEO_OV13858) += ov13858.o
 obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o
diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c
new file mode 100644
index ..42c25277d005
--- /dev/null
+++ b/drivers/media/i2c/ov7740.c
@@ -0,0 +1,1226 @@
+/*
+ * Copyright (c) 2017 Microchip Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define REG_OUTSIZE_LSB 0x34
+
+/* OV7740 register tables */
+#define REG_GAIN   0x00/* Gain lower 8 bits (rest in vref) */
+#define REG_BGAIN  0x01/* blue gain */
+#define REG_RGAIN  0x02/* red gain */
+#define REG_GGAIN  0x03/* green gain */
+#define REG_REG04  0x04/* analog setting, dont change*/
+#define REG_BAVG   0x05/* b channel average */
+#define REG_GAVG   0x06/* g channel average */
+#define REG_RAVG   0x07/* r channel average */
+
+#define REG_REG0C  0x0C/* filp enable */
+#define REG0C_IMG_FLIP 0x80
+#define REG0C_IMG_MIRROR   0x40
+
+#define REG_REG0E  0x0E/* blc line */
+#define REG_HAEC   0x0F/* auto exposure cntrl */
+#define REG_AEC0x10/* auto exposure cntrl */
+
+#define REG_CLK0x11/* Clock control */
+#define REG_REG55  0x55/* Clock PLL DIV/PreDiv */
+
+#define REG_REG12  0x12
+
+#define

Re: [PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

Re: [PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

Re: [PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

Re: [PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

[PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

[PATCH v6 2/2] media: i2c: Add the ov7740 image sensor driver

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