[PATCH v3 1/3] media: i2c: Add the ov7740 image sensor driver

2017-10-29 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 v3: None
Changes in v2: None

 drivers/media/i2c/Kconfig  |8 +
 drivers/media/i2c/Makefile |1 +
 drivers/media/i2c/ov7740.c | 1220 
 3 files changed, 1229 insertions(+)
 create mode 100644 drivers/media/i2c/ov7740.c

diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 3c6d6428f525..ac484bb82fae 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 f8d57e453936..be800c674e8d 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -67,6 +67,7 @@ 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 ..d68add05b46e
--- /dev/null
+++ b/drivers/media/i2c/ov7740.c
@@ -0,0 +1,1220 @@
+/*
+ * 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 
+#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 REG_REG13  0x13/* auto/manual AGC, AEC, Write Balance*/
+#define REG13_AEC_EN   0x01
+#define REG13_AGC_EN   0x04
+
+#define REG_REG14  0x14
+#define REG_REG15  0x15
+#define REG15_GAIN_MSB 0x03
+
+#define REG_REG16  0x16
+
+#define REG_MIDH   0x1C/* manufacture id byte */
+#define REG_MIDL   0x1D/* manufacture id byre */
+#define REG_PIDH   0x0A/* Product ID MSB */
+#define REG_PIDL   0x0B/* Product ID LSB */
+
+#define REG_84 0x84/* lots of stuff */
+#define REG_REG38  0x38/* sub-addr */
+
+#define REG_AHSTART0x17/* Horiz start high bits */
+#define REG_AHSIZE 0x18
+#define REG_AVSTART0x19/* Vert start high bits */
+#define REG_AVSIZE 0x1A
+#define REG_PSHFT  0x1b/* Pixel delay after HREF */
+
+#define REG_HOUTSIZE   0x31
+#define REG_VOUTSIZE   0x32
+#define REG_HVSIZEOFF  0x33
+#define REG_REG34  0x34/* DSP output size H/V LSB*/
+
+#define REG_ISP_CTRL00 0x80
+#define ISPCTRL00_AWB_EN   0x10
+#define ISPCTRL00_AWB_GAIN_EN  0x04
+
+#defineREG_YGAIN   0xE2/* ygain for contrast control */
+
+#defineREG_YBRIGHT   0xE3
+#defineREG_SGNSET0xE4
+#defineSGNSET_YBRIGHT_MASK   0x08
+
+#define REG_USAT   0xDD
+#define REG_VSAT   0xDE
+
+
+struct ov7740 {
+   struct v4l2_subdev

[PATCH v3 1/3] media: i2c: Add the ov7740 image sensor driver

2017-10-29 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 v3: None
Changes in v2: None

 drivers/media/i2c/Kconfig  |8 +
 drivers/media/i2c/Makefile |1 +
 drivers/media/i2c/ov7740.c | 1220 
 3 files changed, 1229 insertions(+)
 create mode 100644 drivers/media/i2c/ov7740.c

diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 3c6d6428f525..ac484bb82fae 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 f8d57e453936..be800c674e8d 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -67,6 +67,7 @@ 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 ..d68add05b46e
--- /dev/null
+++ b/drivers/media/i2c/ov7740.c
@@ -0,0 +1,1220 @@
+/*
+ * 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 
+#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 REG_REG13  0x13/* auto/manual AGC, AEC, Write Balance*/
+#define REG13_AEC_EN   0x01
+#define REG13_AGC_EN   0x04
+
+#define REG_REG14  0x14
+#define REG_REG15  0x15
+#define REG15_GAIN_MSB 0x03
+
+#define REG_REG16  0x16
+
+#define REG_MIDH   0x1C/* manufacture id byte */
+#define REG_MIDL   0x1D/* manufacture id byre */
+#define REG_PIDH   0x0A/* Product ID MSB */
+#define REG_PIDL   0x0B/* Product ID LSB */
+
+#define REG_84 0x84/* lots of stuff */
+#define REG_REG38  0x38/* sub-addr */
+
+#define REG_AHSTART0x17/* Horiz start high bits */
+#define REG_AHSIZE 0x18
+#define REG_AVSTART0x19/* Vert start high bits */
+#define REG_AVSIZE 0x1A
+#define REG_PSHFT  0x1b/* Pixel delay after HREF */
+
+#define REG_HOUTSIZE   0x31
+#define REG_VOUTSIZE   0x32
+#define REG_HVSIZEOFF  0x33
+#define REG_REG34  0x34/* DSP output size H/V LSB*/
+
+#define REG_ISP_CTRL00 0x80
+#define ISPCTRL00_AWB_EN   0x10
+#define ISPCTRL00_AWB_GAIN_EN  0x04
+
+#defineREG_YGAIN   0xE2/* ygain for contrast control */
+
+#defineREG_YBRIGHT   0xE3
+#defineREG_SGNSET0xE4
+#defineSGNSET_YBRIGHT_MASK   0x08
+
+#define REG_USAT   0xDD
+#define REG_VSAT   0xDE
+
+
+struct ov7740 {
+   struct v4l2_subdev subdev;
+#if defined(CONFIG_MEDIA_CONTROLLER)
+