| Message ID | 1514534905-21393-1-git-send-email-zhengsq@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Shunqian, thank you for the patch On Fri, Dec 29, 2017 at 04:08:22PM +0800, Shunqian Zheng wrote: > This patch adds driver for Omnivision's ov5695 sensor, > the driver supports following features: > - supported resolutions > + 2592x1944 at 30fps > + 1920x1080 at 30fps > + 1296x972 at 60fps > + 1280x720 at 30fps > + 640x480 at 120fps > - test patterns > - manual exposure/gain(analog and digital) control > - vblank and hblank > - media controller > - runtime pm > > Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com> > --- > drivers/media/i2c/Kconfig | 11 + > drivers/media/i2c/Makefile | 1 + > drivers/media/i2c/ov5695.c | 1396 ++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 1408 insertions(+) > create mode 100644 drivers/media/i2c/ov5695.c > > diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig > index 3c6d642..55b37c8 100644 > --- a/drivers/media/i2c/Kconfig > +++ b/drivers/media/i2c/Kconfig > @@ -645,6 +645,17 @@ config VIDEO_OV5670 > To compile this driver as a module, choose M here: the > module will be called ov5670. > > +config VIDEO_OV5695 > + tristate "OmniVision OV5695 sensor support" > + depends on I2C && VIDEO_V4L2 > + depends on MEDIA_CAMERA_SUPPORT > + ---help--- > + This is a Video4Linux2 sensor-level driver for the OmniVision > + OV5695 camera. > + > + To compile this driver as a module, choose M here: the > + module will be called ov5695. > + > config VIDEO_OV7640 > tristate "OmniVision OV7640 sensor support" > depends on I2C && VIDEO_V4L2 > diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile > index 548a9ef..a063030 100644 > --- a/drivers/media/i2c/Makefile > +++ b/drivers/media/i2c/Makefile > @@ -65,6 +65,7 @@ obj-$(CONFIG_VIDEO_OV5640) += ov5640.o > obj-$(CONFIG_VIDEO_OV5645) += ov5645.o > obj-$(CONFIG_VIDEO_OV5647) += ov5647.o > obj-$(CONFIG_VIDEO_OV5670) += ov5670.o > +obj-$(CONFIG_VIDEO_OV5695) += ov5695.o > obj-$(CONFIG_VIDEO_OV6650) += ov6650.o > obj-$(CONFIG_VIDEO_OV7640) += ov7640.o > obj-$(CONFIG_VIDEO_OV7670) += ov7670.o > diff --git a/drivers/media/i2c/ov5695.c b/drivers/media/i2c/ov5695.c > new file mode 100644 > index 0000000..4745da4 > --- /dev/null > +++ b/drivers/media/i2c/ov5695.c > @@ -0,0 +1,1396 @@ > +/* > + * ov5695 driver > + * > + * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + */ Please use SPDX identifiers and drop the license text > + > +#include <linux/clk.h> > +#include <linux/device.h> > +#include <linux/delay.h> > +#include <linux/gpio/consumer.h> > +#include <linux/i2c.h> > +#include <linux/module.h> > +#include <linux/pm_runtime.h> > +#include <linux/regulator/consumer.h> > +#include <linux/sysfs.h> > +#include <media/media-entity.h> > +#include <media/v4l2-async.h> > +#include <media/v4l2-ctrls.h> > +#include <media/v4l2-subdev.h> > + > +#ifndef V4L2_CID_DIGITAL_GAIN > +#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN > +#endif > + > +/* 45Mhz * 4 Binning */ > +#define OV5695_PIXEL_RATE (45 * 1000 * 1000 * 4) > +#define CHIP_ID 0x005695 > +#define OV5695_REG_CHIP_ID 0x300a > + > +#define OV5695_REG_CTRL_MODE 0x0100 > +#define OV5695_MODE_SW_STANDBY 0x0 > +#define OV5695_MODE_STREAMING BIT(0) > + > +#define OV5695_REG_EXPOSURE 0x3500 > +#define OV5695_EXPOSURE_MIN 4 > +#define OV5695_EXPOSURE_STEP 1 > +#define OV5695_VTS_MAX 0x7fff > + > +#define OV5695_REG_ANALOG_GAIN 0x3509 > +#define ANALOG_GAIN_MIN 0x10 > +#define ANALOG_GAIN_MAX 0xf8 > +#define ANALOG_GAIN_STEP 1 > +#define ANALOG_GAIN_DEFAULT 0xf8 > + > +#define OV5695_REG_DIGI_GAIN_H 0x350a > +#define OV5695_REG_DIGI_GAIN_L 0x350b > +#define OV5695_DIGI_GAIN_L_MASK 0x3f > +#define OV5695_DIGI_GAIN_H_SHIFT 6 > +#define OV5695_DIGI_GAIN_MIN 0 > +#define OV5695_DIGI_GAIN_MAX (0x4000 - 1) > +#define OV5695_DIGI_GAIN_STEP 1 > +#define OV5695_DIGI_GAIN_DEFAULT 1024 > + > +#define OV5695_REG_TEST_PATTERN 0x4503 > +#define OV5695_TEST_PATTERN_ENABLE 0x80 > +#define OV5695_TEST_PATTERN_DISABLE 0x0 > + > +#define OV5695_REG_VTS 0x380e > + > +#define REG_NULL 0xFFFF > + > +#define OV5695_REG_VALUE_08BIT 1 > +#define OV5695_REG_VALUE_16BIT 2 > +#define OV5695_REG_VALUE_24BIT 3 > + > +#define OV5695_LANES 2 > +#define OV5695_BITS_PER_SAMPLE 10 > + > +struct regval { > + u16 addr; > + u8 val; > +}; > + > +struct ov5695_mode { > + u32 width; > + u32 height; > + u32 max_fps; > + u32 hts_def; > + u32 vts_def; > + u32 exp_def; > + const struct regval *reg_list; > +}; > + > +struct ov5695 { > + struct i2c_client *client; > + struct clk *xvclk; > + struct regulator *avdd_regulator; > + struct regulator *dovdd_regulator; > + struct regulator *dvdd_regulator; > + struct gpio_desc *reset_gpio; > + > + struct v4l2_subdev subdev; > + struct media_pad pad; > + struct v4l2_ctrl_handler ctrl_handler; > + struct v4l2_ctrl *exposure; > + struct v4l2_ctrl *anal_gain; > + struct v4l2_ctrl *digi_gain; > + struct v4l2_ctrl *hblank; > + struct v4l2_ctrl *vblank; > + struct v4l2_ctrl *test_pattern; > + struct mutex mutex; > + bool streaming; > + const struct ov5695_mode *cur_mode; > +}; > +#define to_ov5695(sd) container_of(sd, struct ov5695, subdev) > + > +/* > + * Xclk 24Mhz > + * Pclk 45Mhz > + * linelength 672(0x2a0) > + * framelength 2232(0x8b8) > + * grabwindow_width 1296 > + * grabwindow_height 972 > + * max_framerate 30fps > + * mipi_datarate per lane 840Mbps > + */ > +static const struct regval ov5695_global_regs[] = { > + {0x0103, 0x01}, > + {0x0100, 0x00}, > + {0x0300, 0x04}, > + {0x0301, 0x00}, > + {0x0302, 0x69}, > + {0x0303, 0x00}, > + {0x0304, 0x00}, > + {0x0305, 0x01}, > + {0x0307, 0x00}, > + {0x030b, 0x00}, > + {0x030c, 0x00}, > + {0x030d, 0x1e}, > + {0x030e, 0x04}, > + {0x030f, 0x03}, > + {0x0312, 0x01}, > + {0x3000, 0x00}, > + {0x3002, 0xa1}, > + {0x0308, 0x00}, > + {0x0310, 0x00}, > + {0x3022, 0x51}, > + {0x3106, 0x15}, > + {0x3107, 0x01}, > + {0x3108, 0x05}, > + {0x3500, 0x00}, > + {0x3501, 0x45}, > + {0x3502, 0x00}, > + {0x3503, 0x08}, > + {0x3504, 0x03}, > + {0x3505, 0x8c}, > + {0x3507, 0x03}, > + {0x3508, 0x00}, > + {0x3509, 0x10}, > + {0x350c, 0x00}, > + {0x350d, 0x80}, > + {0x3510, 0x00}, > + {0x3511, 0x02}, > + {0x3512, 0x00}, > + {0x3601, 0x55}, > + {0x3602, 0x58}, > + {0x3614, 0x30}, > + {0x3615, 0x77}, > + {0x3621, 0x08}, > + {0x3624, 0x40}, > + {0x3633, 0x0c}, > + {0x3634, 0x0c}, > + {0x3635, 0x0c}, > + {0x3636, 0x0c}, > + {0x3638, 0x00}, > + {0x3639, 0x00}, > + {0x363a, 0x00}, > + {0x363b, 0x00}, > + {0x363c, 0xff}, > + {0x363d, 0xfa}, > + {0x3650, 0x44}, > + {0x3651, 0x44}, > + {0x3652, 0x44}, > + {0x3653, 0x44}, > + {0x3654, 0x44}, > + {0x3655, 0x44}, > + {0x3656, 0x44}, > + {0x3657, 0x44}, > + {0x3660, 0x00}, > + {0x3661, 0x00}, > + {0x3662, 0x00}, > + {0x366a, 0x00}, > + {0x366e, 0x0c}, > + {0x3673, 0x04}, > + {0x3700, 0x14}, > + {0x3703, 0x0c}, > + {0x3715, 0x01}, > + {0x3733, 0x10}, > + {0x3734, 0x40}, > + {0x373f, 0xa0}, > + {0x3765, 0x20}, > + {0x37a1, 0x1d}, > + {0x37a8, 0x26}, > + {0x37ab, 0x14}, > + {0x37c2, 0x04}, > + {0x37cb, 0x09}, > + {0x37cc, 0x13}, > + {0x37cd, 0x1f}, > + {0x37ce, 0x1f}, > + {0x3800, 0x00}, > + {0x3801, 0x00}, > + {0x3802, 0x00}, > + {0x3803, 0x00}, > + {0x3804, 0x0a}, > + {0x3805, 0x3f}, > + {0x3806, 0x07}, > + {0x3807, 0xaf}, > + {0x3808, 0x05}, > + {0x3809, 0x10}, > + {0x380a, 0x03}, > + {0x380b, 0xcc}, > + {0x380c, 0x02}, > + {0x380d, 0xa0}, > + {0x380e, 0x08}, > + {0x380f, 0xb8}, > + {0x3810, 0x00}, > + {0x3811, 0x06}, > + {0x3812, 0x00}, > + {0x3813, 0x06}, > + {0x3814, 0x03}, > + {0x3815, 0x01}, > + {0x3816, 0x03}, > + {0x3817, 0x01}, > + {0x3818, 0x00}, > + {0x3819, 0x00}, > + {0x381a, 0x00}, > + {0x381b, 0x01}, > + {0x3820, 0x8b}, > + {0x3821, 0x01}, > + {0x3c80, 0x08}, > + {0x3c82, 0x00}, > + {0x3c83, 0x00}, > + {0x3c88, 0x00}, > + {0x3d85, 0x14}, > + {0x3f02, 0x08}, > + {0x3f03, 0x10}, > + {0x4008, 0x02}, > + {0x4009, 0x09}, > + {0x404e, 0x20}, > + {0x4501, 0x00}, > + {0x4502, 0x10}, > + {0x4800, 0x00}, > + {0x481f, 0x2a}, > + {0x4837, 0x13}, > + {0x5000, 0x17}, > + {0x5780, 0x3e}, > + {0x5781, 0x0f}, > + {0x5782, 0x44}, > + {0x5783, 0x02}, > + {0x5784, 0x01}, > + {0x5785, 0x01}, > + {0x5786, 0x00}, > + {0x5787, 0x04}, > + {0x5788, 0x02}, > + {0x5789, 0x0f}, > + {0x578a, 0xfd}, > + {0x578b, 0xf5}, > + {0x578c, 0xf5}, > + {0x578d, 0x03}, > + {0x578e, 0x08}, > + {0x578f, 0x0c}, > + {0x5790, 0x08}, > + {0x5791, 0x06}, > + {0x5792, 0x00}, > + {0x5793, 0x52}, > + {0x5794, 0xa3}, > + {0x5b00, 0x00}, > + {0x5b01, 0x1c}, > + {0x5b02, 0x00}, > + {0x5b03, 0x7f}, > + {0x5b05, 0x6c}, > + {0x5e10, 0xfc}, > + {0x4010, 0xf1}, > + {0x3503, 0x08}, > + {0x3505, 0x8c}, > + {0x3507, 0x03}, > + {0x3508, 0x00}, > + {0x3509, 0xf8}, > + {REG_NULL, 0x00}, > +}; > + > +/* > + * Xclk 24Mhz > + * Pclk 45Mhz > + * linelength 740(0x2e4) > + * framelength 2024(0x7e8) > + * grabwindow_width 2592 > + * grabwindow_height 1944 > + * max_framerate 30fps > + * mipi_datarate per lane 840Mbps > + */ > +static const struct regval ov5695_2592x1944_regs[] = { > + {0x3501, 0x7e}, > + {0x366e, 0x18}, > + {0x3800, 0x00}, > + {0x3801, 0x00}, > + {0x3802, 0x00}, > + {0x3803, 0x04}, > + {0x3804, 0x0a}, > + {0x3805, 0x3f}, > + {0x3806, 0x07}, > + {0x3807, 0xab}, > + {0x3808, 0x0a}, > + {0x3809, 0x20}, > + {0x380a, 0x07}, > + {0x380b, 0x98}, > + {0x380c, 0x02}, > + {0x380d, 0xe4}, > + {0x380e, 0x07}, > + {0x380f, 0xe8}, > + {0x3811, 0x06}, > + {0x3813, 0x08}, > + {0x3814, 0x01}, > + {0x3816, 0x01}, > + {0x3817, 0x01}, > + {0x3820, 0x88}, > + {0x3821, 0x00}, > + {0x4501, 0x00}, > + {0x4008, 0x04}, > + {0x4009, 0x13}, > + {REG_NULL, 0x00}, > +}; > + > +/* > + * Xclk 24Mhz > + * Pclk 45Mhz > + * linelength 672(0x2a0) > + * framelength 2232(0x8b8) > + * grabwindow_width 1920 > + * grabwindow_height 1080 > + * max_framerate 30fps > + * mipi_datarate per lane 840Mbps > + */ > +static const struct regval ov5695_1920x1080_regs[] = { > + {0x3501, 0x45}, > + {0x366e, 0x18}, > + {0x3800, 0x01}, > + {0x3801, 0x50}, > + {0x3802, 0x01}, > + {0x3803, 0xb8}, > + {0x3804, 0x08}, > + {0x3805, 0xef}, > + {0x3806, 0x05}, > + {0x3807, 0xf7}, > + {0x3808, 0x07}, > + {0x3809, 0x80}, > + {0x380a, 0x04}, > + {0x380b, 0x38}, > + {0x380c, 0x02}, > + {0x380d, 0xa0}, > + {0x380e, 0x08}, > + {0x380f, 0xb8}, > + {0x3811, 0x06}, > + {0x3813, 0x04}, > + {0x3814, 0x01}, > + {0x3816, 0x01}, > + {0x3817, 0x01}, > + {0x3820, 0x88}, > + {0x3821, 0x00}, > + {0x4501, 0x00}, > + {0x4008, 0x04}, > + {0x4009, 0x13}, > + {REG_NULL, 0x00} > +}; > + > +/* > + * Xclk 24Mhz > + * Pclk 45Mhz > + * linelength 740(0x02e4) > + * framelength 1012(0x03f4) > + * grabwindow_width 1296 > + * grabwindow_height 972 > + * max_framerate 60fps > + * mipi_datarate per lane 840Mbps > + */ > +static const struct regval ov5695_1296x972_regs[] = { > + {0x0103, 0x01}, > + {0x0100, 0x00}, > + {0x0300, 0x04}, > + {0x0301, 0x00}, > + {0x0302, 0x69}, > + {0x0303, 0x00}, > + {0x0304, 0x00}, > + {0x0305, 0x01}, > + {0x0307, 0x00}, > + {0x030b, 0x00}, > + {0x030c, 0x00}, > + {0x030d, 0x1e}, > + {0x030e, 0x04}, > + {0x030f, 0x03}, > + {0x0312, 0x01}, > + {0x3000, 0x00}, > + {0x3002, 0x21}, > + {0x3016, 0x32}, > + {0x3022, 0x51}, > + {0x3106, 0x15}, > + {0x3107, 0x01}, > + {0x3108, 0x05}, > + {0x3500, 0x00}, > + {0x3501, 0x3e}, > + {0x3502, 0x00}, > + {0x3503, 0x08}, > + {0x3504, 0x03}, > + {0x3505, 0x8c}, > + {0x3507, 0x03}, > + {0x3508, 0x00}, > + {0x3509, 0x10}, > + {0x350c, 0x00}, > + {0x350d, 0x80}, > + {0x3510, 0x00}, > + {0x3511, 0x02}, > + {0x3512, 0x00}, > + {0x3601, 0x55}, > + {0x3602, 0x58}, > + {0x3611, 0x58}, > + {0x3614, 0x30}, > + {0x3615, 0x77}, > + {0x3621, 0x08}, > + {0x3624, 0x40}, > + {0x3633, 0x0c}, > + {0x3634, 0x0c}, > + {0x3635, 0x0c}, > + {0x3636, 0x0c}, > + {0x3638, 0x00}, > + {0x3639, 0x00}, > + {0x363a, 0x00}, > + {0x363b, 0x00}, > + {0x363c, 0xff}, > + {0x363d, 0xfa}, > + {0x3650, 0x44}, > + {0x3651, 0x44}, > + {0x3652, 0x44}, > + {0x3653, 0x44}, > + {0x3654, 0x44}, > + {0x3655, 0x44}, > + {0x3656, 0x44}, > + {0x3657, 0x44}, > + {0x3660, 0x00}, > + {0x3661, 0x00}, > + {0x3662, 0x00}, > + {0x366a, 0x00}, > + {0x366e, 0x0c}, > + {0x3673, 0x04}, > + {0x3700, 0x14}, > + {0x3703, 0x0c}, > + {0x3706, 0x24}, > + {0x3714, 0x27}, > + {0x3715, 0x01}, > + {0x3716, 0x00}, > + {0x3717, 0x02}, > + {0x3733, 0x10}, > + {0x3734, 0x40}, > + {0x373f, 0xa0}, > + {0x3765, 0x20}, > + {0x37a1, 0x1d}, > + {0x37a8, 0x26}, > + {0x37ab, 0x14}, > + {0x37c2, 0x04}, > + {0x37c3, 0xf0}, > + {0x37cb, 0x09}, > + {0x37cc, 0x13}, > + {0x37cd, 0x1f}, > + {0x37ce, 0x1f}, > + {0x3800, 0x00}, > + {0x3801, 0x00}, > + {0x3802, 0x00}, > + {0x3803, 0x00}, > + {0x3804, 0x0a}, > + {0x3805, 0x3f}, > + {0x3806, 0x07}, > + {0x3807, 0xaf}, > + {0x3808, 0x05}, > + {0x3809, 0x10}, > + {0x380a, 0x03}, > + {0x380b, 0xcc}, > + {0x380c, 0x02}, > + {0x380d, 0xe4}, > + {0x380e, 0x03}, > + {0x380f, 0xf4}, > + {0x3810, 0x00}, > + {0x3811, 0x00}, > + {0x3812, 0x00}, > + {0x3813, 0x06}, > + {0x3814, 0x03}, > + {0x3815, 0x01}, > + {0x3816, 0x03}, > + {0x3817, 0x01}, > + {0x3818, 0x00}, > + {0x3819, 0x00}, > + {0x381a, 0x00}, > + {0x381b, 0x01}, > + {0x3820, 0x8b}, > + {0x3821, 0x01}, > + {0x3c80, 0x08}, > + {0x3c82, 0x00}, > + {0x3c83, 0x00}, > + {0x3c88, 0x00}, > + {0x3d85, 0x14}, > + {0x3f02, 0x08}, > + {0x3f03, 0x10}, > + {0x4008, 0x02}, > + {0x4009, 0x09}, > + {0x404e, 0x20}, > + {0x4501, 0x00}, > + {0x4502, 0x10}, > + {0x4800, 0x00}, > + {0x481f, 0x2a}, > + {0x4837, 0x13}, > + {0x5000, 0x13}, > + {0x5780, 0x3e}, > + {0x5781, 0x0f}, > + {0x5782, 0x44}, > + {0x5783, 0x02}, > + {0x5784, 0x01}, > + {0x5785, 0x01}, > + {0x5786, 0x00}, > + {0x5787, 0x04}, > + {0x5788, 0x02}, > + {0x5789, 0x0f}, > + {0x578a, 0xfd}, > + {0x578b, 0xf5}, > + {0x578c, 0xf5}, > + {0x578d, 0x03}, > + {0x578e, 0x08}, > + {0x578f, 0x0c}, > + {0x5790, 0x08}, > + {0x5791, 0x06}, > + {0x5792, 0x00}, > + {0x5793, 0x52}, > + {0x5794, 0xa3}, > + {0x5b00, 0x00}, > + {0x5b01, 0x1c}, > + {0x5b02, 0x00}, > + {0x5b03, 0x7f}, > + {0x5b05, 0x6c}, > + {0x5e10, 0xfc}, > + {0x4010, 0xf1}, > + {0x3503, 0x08}, > + {0x3505, 0x8c}, > + {0x3507, 0x03}, > + {0x3508, 0x00}, > + {0x3509, 0xf8}, > + {0x0100, 0x01}, > + {REG_NULL, 0x00} > +}; > + > +/* > + * Xclk 24Mhz > + * Pclk 45Mhz > + * linelength 672(0x2a0) > + * framelength 2232(0x8b8) > + * grabwindow_width 1280 > + * grabwindow_height 720 > + * max_framerate 30fps > + * mipi_datarate per lane 840Mbps > + */ > +static const struct regval ov5695_1280x720_regs[] = { > + {0x3501, 0x45}, > + {0x366e, 0x0c}, > + {0x3800, 0x00}, > + {0x3801, 0x00}, > + {0x3802, 0x01}, > + {0x3803, 0x00}, > + {0x3804, 0x0a}, > + {0x3805, 0x3f}, > + {0x3806, 0x06}, > + {0x3807, 0xaf}, > + {0x3808, 0x05}, > + {0x3809, 0x00}, > + {0x380a, 0x02}, > + {0x380b, 0xd0}, > + {0x380c, 0x02}, > + {0x380d, 0xa0}, > + {0x380e, 0x08}, > + {0x380f, 0xb8}, > + {0x3811, 0x06}, > + {0x3813, 0x02}, > + {0x3814, 0x03}, > + {0x3816, 0x03}, > + {0x3817, 0x01}, > + {0x3820, 0x8b}, > + {0x3821, 0x01}, > + {0x4501, 0x00}, > + {0x4008, 0x02}, > + {0x4009, 0x09}, > + {REG_NULL, 0x00} > +}; > + > +/* > + * Xclk 24Mhz > + * Pclk 45Mhz > + * linelength 672(0x2a0) > + * framelength 558(0x22e) > + * grabwindow_width 640 > + * grabwindow_height 480 > + * max_framerate 120fps > + * mipi_datarate per lane 840Mbps > + */ > +static const struct regval ov5695_640x480_regs[] = { > + {0x3501, 0x22}, > + {0x366e, 0x0c}, > + {0x3800, 0x00}, > + {0x3801, 0x00}, > + {0x3802, 0x00}, > + {0x3803, 0x08}, > + {0x3804, 0x0a}, > + {0x3805, 0x3f}, > + {0x3806, 0x07}, > + {0x3807, 0xa7}, > + {0x3808, 0x02}, > + {0x3809, 0x80}, > + {0x380a, 0x01}, > + {0x380b, 0xe0}, > + {0x380c, 0x02}, > + {0x380d, 0xa0}, > + {0x380e, 0x02}, > + {0x380f, 0x2e}, > + {0x3811, 0x06}, > + {0x3813, 0x04}, > + {0x3814, 0x07}, > + {0x3816, 0x05}, > + {0x3817, 0x03}, > + {0x3820, 0x8d}, > + {0x3821, 0x01}, > + {0x4501, 0x00}, > + {0x4008, 0x02}, > + {0x4009, 0x09}, > + {REG_NULL, 0x00} > +}; > + > +static const struct ov5695_mode supported_modes[] = { > + { > + .width = 2592, > + .height = 1944, > + .max_fps = 30, > + .exp_def = 0x0450, > + .hts_def = 0x02e4 * 4, > + .vts_def = 0x07e8, > + .reg_list = ov5695_2592x1944_regs, > + }, > + { > + .width = 1920, > + .height = 1080, > + .max_fps = 30, > + .exp_def = 0x0450, > + .hts_def = 0x02a0 * 4, > + .vts_def = 0x08b8, > + .reg_list = ov5695_1920x1080_regs, > + }, > + { > + .width = 1296, > + .height = 972, > + .max_fps = 60, > + .exp_def = 0x03e0, > + .hts_def = 0x02e4 * 4, > + .vts_def = 0x03f4, > + .reg_list = ov5695_1296x972_regs, > + }, > + { > + .width = 1280, > + .height = 720, > + .max_fps = 30, > + .exp_def = 0x0450, > + .hts_def = 0x02a0 * 4, > + .vts_def = 0x08b8, > + .reg_list = ov5695_1280x720_regs, > + }, > + { > + .width = 640, > + .height = 480, > + .max_fps = 120, > + .exp_def = 0x0450, > + .hts_def = 0x02a0 * 4, > + .vts_def = 0x022e, > + .reg_list = ov5695_640x480_regs, > + }, > +}; > + > +#define OV5695_LINK_FREQ_420MHZ 420000000 > +static const s64 link_freq_menu_items[] = { > + OV5695_LINK_FREQ_420MHZ > +}; > + > +static const char * const ov5695_test_pattern_menu[] = { > + "Disabled", > + "Vertical Color Bar Type 1", > + "Vertical Color Bar Type 2", > + "Vertical Color Bar Type 3", > + "Vertical Color Bar Type 4" > +}; > + > +/* Write registers up to 4 at a time */ > +static int ov5695_write_reg(struct i2c_client *client, u16 reg, > + unsigned int len, u32 val) > +{ > + int buf_i; > + int val_i; > + u8 buf[6]; > + u8 *val_p; > + __be32 val_be; > + > + if (len > 4) > + return -EINVAL; > + > + buf[0] = reg >> 8; > + buf[1] = reg & 0xff; > + > + val_be = cpu_to_be32(val); > + val_p = (u8 *)&val_be; > + buf_i = 2; > + val_i = 4 - len; > + > + while (val_i < 4) > + buf[buf_i++] = val_p[val_i++]; > + > + if (i2c_master_send(client, buf, len + 2) != len + 2) > + return -EIO; > + > + return 0; > +} > + > +static int ov5695_write_array(struct i2c_client *client, > + const struct regval *regs) > +{ > + int i, ret = 0; > + > + for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) > + ret = ov5695_write_reg(client, regs[i].addr, > + OV5695_REG_VALUE_08BIT, regs[i].val); > + > + return ret; > +} > + > +/* Read registers up to 4 at a time */ > +static int ov5695_read_reg(struct i2c_client *client, u16 reg, unsigned int len, > + u32 *val) > +{ > + struct i2c_msg msgs[2]; > + u8 *data_be_p; > + __be32 data_be = 0; > + __be16 reg_addr_be = cpu_to_be16(reg); > + int ret; > + > + if (len > 4) > + return -EINVAL; > + > + data_be_p = (u8 *)&data_be; > + /* Write register address */ > + msgs[0].addr = client->addr; > + msgs[0].flags = 0; > + msgs[0].len = 2; > + msgs[0].buf = (u8 *)®_addr_be; > + > + /* Read data from register */ > + msgs[1].addr = client->addr; > + msgs[1].flags = I2C_M_RD; > + msgs[1].len = len; > + msgs[1].buf = &data_be_p[4 - len]; > + > + ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); > + if (ret != ARRAY_SIZE(msgs)) > + return -EIO; > + > + *val = be32_to_cpu(data_be); > + > + return 0; > +} > + > +static int ov5695_get_reso_dist(const struct ov5695_mode *mode, > + struct v4l2_mbus_framefmt *framefmt) > +{ > + return abs(mode->width - framefmt->width) + > + abs(mode->height - framefmt->height); > +} > + > +static const struct ov5695_mode *ov5695_find_best_fit( > + struct v4l2_subdev_format *fmt) > +{ > + struct v4l2_mbus_framefmt *framefmt = &fmt->format; > + int dist; > + int cur_best_fit = 0; > + int cur_best_fit_dist = -1; > + int i; > + > + for (i = 0; i < ARRAY_SIZE(supported_modes); i++) { > + dist = ov5695_get_reso_dist(&supported_modes[i], framefmt); > + if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) { > + cur_best_fit_dist = dist; > + cur_best_fit = i; > + } > + } > + > + return &supported_modes[cur_best_fit]; > +} > + > +static int ov5695_set_fmt(struct v4l2_subdev *sd, > + struct v4l2_subdev_pad_config *cfg, > + struct v4l2_subdev_format *fmt) > +{ > + struct ov5695 *ov5695 = to_ov5695(sd); > + const struct ov5695_mode *mode; > + s64 h_blank, vblank_def; > + > + mutex_lock(&ov5695->mutex); > + > + mode = ov5695_find_best_fit(fmt); > + fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; > + fmt->format.width = mode->width; > + fmt->format.height = mode->height; > + fmt->format.field = V4L2_FIELD_NONE; > + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { > +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API > + *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format; > +#else > + mutex_unlock(&ov5695->mutex); > + return -ENOTTY; > +#endif > + } else { > + ov5695->cur_mode = mode; > + h_blank = mode->hts_def - mode->width; > + __v4l2_ctrl_modify_range(ov5695->hblank, h_blank, > + h_blank, 1, h_blank); > + vblank_def = mode->vts_def - mode->height; > + __v4l2_ctrl_modify_range(ov5695->vblank, vblank_def, > + OV5695_VTS_MAX - mode->height, > + 1, vblank_def); > + } > + > + mutex_unlock(&ov5695->mutex); > + return 0; > +} > + > +static int ov5695_get_fmt(struct v4l2_subdev *sd, > + struct v4l2_subdev_pad_config *cfg, > + struct v4l2_subdev_format *fmt) > +{ > + struct ov5695 *ov5695 = to_ov5695(sd); > + const struct ov5695_mode *mode = ov5695->cur_mode; > + > + mutex_lock(&ov5695->mutex); > + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { > +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API > + fmt->format = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad); > +#else > + mutex_unlock(&ov5695->mutex); > + return -ENOTTY; > +#endif > + } else { > + fmt->format.width = mode->width; > + fmt->format.height = mode->height; > + fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; > + fmt->format.field = V4L2_FIELD_NONE; > + } > + mutex_unlock(&ov5695->mutex); > + return 0; > +} > + > +static int ov5695_enum_mbus_code(struct v4l2_subdev *sd, > + struct v4l2_subdev_pad_config *cfg, > + struct v4l2_subdev_mbus_code_enum *code) > +{ > + if (code->index != 0) > + return -EINVAL; > + code->code = MEDIA_BUS_FMT_SBGGR10_1X10; > + > + return 0; > +} > + > +static int ov5695_enum_frame_sizes(struct v4l2_subdev *sd, > + struct v4l2_subdev_pad_config *cfg, > + struct v4l2_subdev_frame_size_enum *fse) > +{ > + if (fse->index > ARRAY_SIZE(supported_modes)) > + return -EINVAL; > + > + if (fse->code != MEDIA_BUS_FMT_SBGGR10_1X10) > + return -EINVAL; > + > + fse->min_width = supported_modes[fse->index].width; > + fse->max_width = supported_modes[fse->index].width; > + fse->max_height = supported_modes[fse->index].height; > + fse->min_height = supported_modes[fse->index].height; > + > + return 0; > +} > + > +static int ov5695_enable_test_pattern(struct ov5695 *ov5695, u32 pattern) > +{ > + u32 val; > + > + if (pattern) > + val = (pattern - 1) | OV5695_TEST_PATTERN_ENABLE; > + else > + val = OV5695_TEST_PATTERN_DISABLE; > + > + return ov5695_write_reg(ov5695->client, OV5695_REG_TEST_PATTERN, > + OV5695_REG_VALUE_08BIT, val); > +} > + > +static void ov5695_set_exposure(struct ov5695 *ov5695, s32 val) > +{ > + /* 4 least significant bits of expsoure are fractional part */ > + ov5695_write_reg(ov5695->client, OV5695_REG_EXPOSURE, > + OV5695_REG_VALUE_24BIT, val << 4); > +} > + > +static void ov5695_set_analog_gain(struct ov5695 *ov5695, s32 val) > +{ > + ov5695_write_reg(ov5695->client, OV5695_REG_ANALOG_GAIN, > + OV5695_REG_VALUE_08BIT, val); > +} > + > +static void ov5695_set_digi_gain(struct ov5695 *ov5695, s32 val) > +{ > + ov5695_write_reg(ov5695->client, OV5695_REG_DIGI_GAIN_L, > + OV5695_REG_VALUE_08BIT, val & OV5695_DIGI_GAIN_L_MASK); > + val >>= OV5695_DIGI_GAIN_H_SHIFT; > + ov5695_write_reg(ov5695->client, OV5695_REG_DIGI_GAIN_H, > + OV5695_REG_VALUE_08BIT, val); > +} > + > +static void ov5695_set_vts(struct ov5695 *ov5695, s32 val) > +{ > + val += ov5695->cur_mode->height; > + > + ov5695_write_reg(ov5695->client, OV5695_REG_VTS, > + OV5695_REG_VALUE_16BIT, val); > +} > + > +static int __ov5695_start_stream(struct ov5695 *ov5695) > +{ > + int ret; > + > + ret = ov5695_write_array(ov5695->client, ov5695_global_regs); > + if (ret) > + return ret; > + ret = ov5695_write_array(ov5695->client, ov5695->cur_mode->reg_list); > + if (ret) > + return ret; > + > + /* In case these controls are set before streaming */ > + ov5695_set_exposure(ov5695, ov5695->exposure->val); > + ov5695_set_analog_gain(ov5695, ov5695->anal_gain->val); > + ov5695_set_digi_gain(ov5695, ov5695->digi_gain->val); > + ov5695_set_vts(ov5695, ov5695->vblank->val); > + ov5695_enable_test_pattern(ov5695, ov5695->test_pattern->val); > + > + ret = ov5695_write_reg(ov5695->client, OV5695_REG_CTRL_MODE, > + OV5695_REG_VALUE_08BIT, OV5695_MODE_STREAMING); > + return ret; > +} > + > +static int __ov5695_stop_stream(struct ov5695 *ov5695) > +{ > + return ov5695_write_reg(ov5695->client, OV5695_REG_CTRL_MODE, > + OV5695_REG_VALUE_08BIT, OV5695_MODE_SW_STANDBY); > +} > + > +static int ov5695_s_stream(struct v4l2_subdev *sd, int on) > +{ > + struct ov5695 *ov5695 = to_ov5695(sd); > + struct i2c_client *client = ov5695->client; > + int ret = 0; > + > + mutex_lock(&ov5695->mutex); > + on = !!on; > + if (on == ov5695->streaming) > + goto unlock_and_return; > + > + if (on) { > + ret = pm_runtime_get_sync(&client->dev); > + if (ret) > + goto unlock_and_return; > + > + ret = __ov5695_start_stream(ov5695); > + if (ret) { > + v4l2_err(sd, "start stream failed while write regs\n"); > + pm_runtime_put(&client->dev); Here you will set "ov5695->streaming = 1". Should't you jump to the "unlock_and_return" label instead? > + } > + } else { > + ret = __ov5695_stop_stream(ov5695); > + if (ret) > + goto unlock_and_return; > + pm_runtime_put(&client->dev); I would runtime_put even if writing to REG_CTRL_MODE fails. > + } > + > + ov5695->streaming = on; > + > +unlock_and_return: > + mutex_unlock(&ov5695->mutex); > + return ret; > +} > + > +static int __ov5695_power_on(struct ov5695 *ov5695) > +{ > + int ret; > + struct device *dev = &ov5695->client->dev; > + > + ret = clk_prepare_enable(ov5695->xvclk); > + if (ret < 0) { > + dev_err(dev, "Failed to enable xvclk\n"); > + return ret; > + } > + > + gpiod_set_value_cansleep(ov5695->reset_gpio, 1); > + > + /* AVDD and DOVDD may rise in any order */ > + ret = regulator_enable(ov5695->avdd_regulator); > + if (ret < 0) { > + dev_err(dev, "Failed to enable regulator\n"); > + goto disable_clk; > + } > + ret = regulator_enable(ov5695->dovdd_regulator); > + if (ret < 0) { > + dev_err(dev, "Failed to enable DOVDD regulator\n"); > + goto disable_avdd; > + } > + /* DVDD must rise after AVDD and DOVDD */ > + ret = regulator_enable(ov5695->dvdd_regulator); > + if (ret < 0) { > + dev_err(dev, "Failed to enable DVDD regulator\n"); > + goto disable_dovdd; > + } > + > + gpiod_set_value_cansleep(ov5695->reset_gpio, 0); > + /* 8192 cycles prior to first SCCB transaction */ > + usleep_range(1000, 1500); I assume 8192 xvclk cycles, shouldn't the delay be calculated using that value? (or does the (1000, 1500) intervals catches all the supported xvclk frequencies?) > + > + return 0; > + > +disable_dovdd: > + regulator_disable(ov5695->dovdd_regulator); > +disable_avdd: > + regulator_disable(ov5695->avdd_regulator); > +disable_clk: > + clk_disable_unprepare(ov5695->xvclk); > + > + return ret; > +} > + > +static void __ov5695_power_off(struct ov5695 *ov5695) > +{ > + clk_disable_unprepare(ov5695->xvclk); > + gpiod_set_value_cansleep(ov5695->reset_gpio, 1); > + regulator_disable(ov5695->dvdd_regulator); > + regulator_disable(ov5695->dovdd_regulator); > + regulator_disable(ov5695->avdd_regulator); > +} > + > +static int ov5695_runtime_resume(struct device *dev) > +{ > + struct i2c_client *client = to_i2c_client(dev); > + struct v4l2_subdev *sd = i2c_get_clientdata(client); > + struct ov5695 *ov5695 = to_ov5695(sd); > + int ret; > + > + ret = __ov5695_power_on(ov5695); > + if (ret) > + return ret; > + > + if (ov5695->streaming) { > + ret = __ov5695_start_stream(ov5695); > + if (ret) > + __ov5695_power_off(ov5695); > + } If you fix my comment above on s_stream, you won't have any case where runtime_susped is called with "ov5695->streaming = 1" and you can remove this if branch. > + > + return ret; > +} > + > +static int ov5695_runtime_suspend(struct device *dev) > +{ > + struct i2c_client *client = to_i2c_client(dev); > + struct v4l2_subdev *sd = i2c_get_clientdata(client); > + struct ov5695 *ov5695 = to_ov5695(sd); > + > + __ov5695_power_off(ov5695); > + > + return 0; > +} > + > +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API > +static int ov5695_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) > +{ > + struct ov5695 *ov5695 = to_ov5695(sd); > + struct v4l2_mbus_framefmt *try_fmt = > + v4l2_subdev_get_try_format(sd, fh->pad, 0); > + > + mutex_lock(&ov5695->mutex); > + /* Initialize try_fmt */ > + try_fmt->width = ov5695->cur_mode->width; > + try_fmt->height = ov5695->cur_mode->height; > + try_fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10; > + try_fmt->field = V4L2_FIELD_NONE; > + > + mutex_unlock(&ov5695->mutex); > + /* No crop or compose */ Checkpatch should complain about returns with no blank line before (here and in many other places in this patch). Maybe try run it with --strict switch... > + return 0; > +} > +#endif > + > +static const struct dev_pm_ops ov5695_pm_ops = { > + SET_RUNTIME_PM_OPS(ov5695_runtime_suspend, > + ov5695_runtime_resume, NULL) > +}; > + > +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API > +static const struct v4l2_subdev_internal_ops ov5695_internal_ops = { > + .open = ov5695_open, > +}; > +#endif > + > +static struct v4l2_subdev_video_ops ov5695_video_ops = { > + .s_stream = ov5695_s_stream, > +}; > + > +static struct v4l2_subdev_pad_ops ov5695_pad_ops = { > + .enum_mbus_code = ov5695_enum_mbus_code, > + .enum_frame_size = ov5695_enum_frame_sizes, > + .get_fmt = ov5695_get_fmt, > + .set_fmt = ov5695_set_fmt, > +}; > + > +static struct v4l2_subdev_ops ov5695_subdev_ops = { > + .video = &ov5695_video_ops, > + .pad = &ov5695_pad_ops, > +}; > + > +static int ov5695_set_ctrl(struct v4l2_ctrl *ctrl) > +{ > + struct ov5695 *ov5695 = container_of(ctrl->handler, > + struct ov5695, ctrl_handler); > + struct i2c_client *client = ov5695->client; > + s64 max; > + int ret = 0; > + > + /* Propagate change of current control to all related controls */ > + switch (ctrl->id) { > + case V4L2_CID_VBLANK: > + /* Update max exposure while meeting expected vblanking */ > + max = ov5695->cur_mode->height + ctrl->val - 4; > + __v4l2_ctrl_modify_range(ov5695->exposure, > + ov5695->exposure->minimum, max, > + ov5695->exposure->step, > + ov5695->exposure->default_value); > + break; > + } > + > + pm_runtime_get_sync(&client->dev); > + switch (ctrl->id) { > + case V4L2_CID_EXPOSURE: > + ov5695_set_exposure(ov5695, ctrl->val); > + break; > + case V4L2_CID_ANALOGUE_GAIN: > + ov5695_set_analog_gain(ov5695, ctrl->val); > + break; > + case V4L2_CID_DIGITAL_GAIN: > + ov5695_set_digi_gain(ov5695, ctrl->val); > + break; > + case V4L2_CID_VBLANK: > + ov5695_set_vts(ov5695, ctrl->val); > + break; > + case V4L2_CID_TEST_PATTERN: > + ret = ov5695_enable_test_pattern(ov5695, ctrl->val); > + break; > + default: > + dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n", > + __func__, ctrl->id, ctrl->val); > + break; > + }; > + pm_runtime_put(&client->dev); > + > + return ret; > +} > + > +static const struct v4l2_ctrl_ops ov5695_ctrl_ops = { > + .s_ctrl = ov5695_set_ctrl, > +}; > + > +static int ov5695_initialize_controls(struct ov5695 *ov5695) > +{ > + const struct ov5695_mode *mode; > + struct v4l2_ctrl_handler *handler; > + struct v4l2_ctrl *ctrl; > + s64 exposure_max, vblank_def; > + u32 h_blank; > + int ret; > + > + handler = &ov5695->ctrl_handler; > + mode = ov5695->cur_mode; > + ret = v4l2_ctrl_handler_init(handler, 1); > + if (ret) > + return ret; > + handler->lock = &ov5695->mutex; > + > + ctrl = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ, > + 0, 0, link_freq_menu_items); > + if (ctrl) > + ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; > + > + v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, > + 0, OV5695_PIXEL_RATE, 1, OV5695_PIXEL_RATE); > + > + h_blank = mode->hts_def - mode->width; > + ov5695->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, > + h_blank, h_blank, 1, h_blank); > + if (ov5695->hblank) > + ov5695->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; > + > + vblank_def = mode->vts_def - mode->height; > + ov5695->vblank = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, > + V4L2_CID_VBLANK, vblank_def, > + OV5695_VTS_MAX - mode->height, > + 1, vblank_def); > + > + exposure_max = mode->vts_def - 4; > + ov5695->exposure = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, > + V4L2_CID_EXPOSURE, OV5695_EXPOSURE_MIN, > + exposure_max, OV5695_EXPOSURE_STEP, > + mode->exp_def); > + > + ov5695->anal_gain = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, > + V4L2_CID_ANALOGUE_GAIN, ANALOG_GAIN_MIN, > + ANALOG_GAIN_MAX, ANALOG_GAIN_STEP, > + ANALOG_GAIN_DEFAULT); > + > + /* Digital gain */ > + ov5695->digi_gain = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, > + V4L2_CID_DIGITAL_GAIN, OV5695_DIGI_GAIN_MIN, > + OV5695_DIGI_GAIN_MAX, OV5695_DIGI_GAIN_STEP, > + OV5695_DIGI_GAIN_DEFAULT); > + > + ov5695->test_pattern = v4l2_ctrl_new_std_menu_items(handler, > + &ov5695_ctrl_ops, V4L2_CID_TEST_PATTERN, > + ARRAY_SIZE(ov5695_test_pattern_menu) - 1, > + 0, 0, ov5695_test_pattern_menu); > + > + if (handler->error) { > + v4l2_ctrl_handler_free(handler); > + return handler->error; > + } > + > + ov5695->subdev.ctrl_handler = handler; > + > + return 0; > +} > + > +static int ov5695_check_sensor_id(struct ov5695 *ov5695, > + struct i2c_client *client) > +{ > + struct device *dev = &ov5695->client->dev; > + u32 id; > + int ret; > + > + ret = __ov5695_power_on(ov5695); > + if (ret) > + return ret; > + ov5695_read_reg(client, OV5695_REG_CHIP_ID, > + OV5695_REG_VALUE_24BIT, &id); > + __ov5695_power_off(ov5695); > + > + if (id != CHIP_ID) { > + dev_err(dev, "Wrong camera sensor id(%06x)\n", id); > + return -EINVAL; > + } > + > + dev_info(dev, "Detected OV%06x sensor\n", CHIP_ID); > + > + return 0; > +} > + > +static int ov5695_probe(struct i2c_client *client, > + const struct i2c_device_id *id) > +{ > + struct device *dev = &client->dev; > + struct ov5695 *ov5695; > + struct v4l2_subdev *sd; > + int ret; > + > + ov5695 = devm_kzalloc(dev, sizeof(*ov5695), GFP_KERNEL); > + if (!ov5695) > + return -ENOMEM; > + > + ov5695->client = client; > + ov5695->cur_mode = &supported_modes[0]; > + > + ov5695->xvclk = devm_clk_get(dev, "xvclk"); > + if (IS_ERR(ov5695->xvclk)) { > + dev_err(dev, "Failed to get xvclk\n"); > + return -EINVAL; > + } > + ret = clk_set_rate(ov5695->xvclk, 24000000); > + if (ret < 0) { > + dev_err(dev, "Failed to set xvclk rate (24M)\n"); > + return ret; > + } > + > + ov5695->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); > + if (IS_ERR(ov5695->reset_gpio)) { > + dev_err(dev, "Failed to get reset-gpios\n"); > + return -EINVAL; > + } > + > + ov5695->avdd_regulator = devm_regulator_get(dev, "avdd"); > + if (IS_ERR(ov5695->avdd_regulator)) { > + dev_err(dev, "Failed to get avdd-supply\n"); > + return -EINVAL; > + } > + ov5695->dovdd_regulator = devm_regulator_get(dev, "dovdd"); > + if (IS_ERR(ov5695->dovdd_regulator)) { > + dev_err(dev, "Failed to get dovdd-supply\n"); > + return -EINVAL; > + } > + ov5695->dvdd_regulator = devm_regulator_get(dev, "dvdd"); > + if (IS_ERR(ov5695->dvdd_regulator)) { > + dev_err(dev, "Failed to get dvdd-supply\n"); > + return -EINVAL; > + } > + > + mutex_init(&ov5695->mutex); > + > + sd = &ov5695->subdev; > + v4l2_i2c_subdev_init(sd, client, &ov5695_subdev_ops); > +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API > + sd->internal_ops = &ov5695_internal_ops; > +#endif > + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; Shouldn't a devnode be registered only if V4L2_SUBDEV_API is defined? Thanks j > + > + ret = ov5695_initialize_controls(ov5695); > + if (ret) > + return ret; > + ret = ov5695_check_sensor_id(ov5695, client); > + if (ret) > + return ret; > + > +#if defined(CONFIG_MEDIA_CONTROLLER) > + ov5695->pad.flags = MEDIA_PAD_FL_SOURCE; > + sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; > + ret = media_entity_pads_init(&sd->entity, 1, &ov5695->pad); > + if (ret < 0) > + return ret; > +#endif > + > + ret = v4l2_async_register_subdev(sd); > + if (ret) { > + dev_err(dev, "v4l2 async register subdev failed\n"); > + goto clean_entity; > + } > + > + pm_runtime_enable(dev); > + dev_info(dev, "Probe successfully\n"); > + > + return 0; > + > +clean_entity: > +#if defined(CONFIG_MEDIA_CONTROLLER) > + media_entity_cleanup(&sd->entity); > +#endif > + > + return ret; > +} > + > +static int ov5695_remove(struct i2c_client *client) > +{ > + struct ov5695 *ov5695 = i2c_get_clientdata(client); > + > + v4l2_async_unregister_subdev(&ov5695->subdev); > + > + pm_runtime_disable(&client->dev); > + return 0; > +} > + > +static const struct of_device_id ov5695_of_match[] = { > + { .compatible = "ovti,ov5695" }, > + {}, > +}; > + > +static struct i2c_driver ov5695_i2c_driver = { > + .driver = { > + .name = "ov5695", > + .owner = THIS_MODULE, > + .pm = &ov5695_pm_ops, > + .of_match_table = ov5695_of_match > + }, > + .probe = &ov5695_probe, > + .remove = &ov5695_remove, > +}; > + > +module_i2c_driver(ov5695_i2c_driver); > + > +MODULE_DESCRIPTION("OmniVision ov5695 sensor driver"); > +MODULE_LICENSE("GPL v2"); > -- > 1.9.1 >
On Fri, Dec 29, 2017 at 04:08:22PM +0800, Shunqian Zheng wrote: > This patch adds driver for Omnivision's ov5695 sensor, > the driver supports following features: > - supported resolutions > + 2592x1944 at 30fps > + 1920x1080 at 30fps > + 1296x972 at 60fps > + 1280x720 at 30fps > + 640x480 at 120fps > - test patterns > - manual exposure/gain(analog and digital) control > - vblank and hblank > - media controller > - runtime pm > > Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com> The same comments I've given on the other driver mostly appear to apply this one as well.
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 3c6d642..55b37c8 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -645,6 +645,17 @@ config VIDEO_OV5670 To compile this driver as a module, choose M here: the module will be called ov5670. +config VIDEO_OV5695 + tristate "OmniVision OV5695 sensor support" + depends on I2C && VIDEO_V4L2 + depends on MEDIA_CAMERA_SUPPORT + ---help--- + This is a Video4Linux2 sensor-level driver for the OmniVision + OV5695 camera. + + To compile this driver as a module, choose M here: the + module will be called ov5695. + config VIDEO_OV7640 tristate "OmniVision OV7640 sensor support" depends on I2C && VIDEO_V4L2 diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index 548a9ef..a063030 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -65,6 +65,7 @@ obj-$(CONFIG_VIDEO_OV5640) += ov5640.o obj-$(CONFIG_VIDEO_OV5645) += ov5645.o obj-$(CONFIG_VIDEO_OV5647) += ov5647.o obj-$(CONFIG_VIDEO_OV5670) += ov5670.o +obj-$(CONFIG_VIDEO_OV5695) += ov5695.o obj-$(CONFIG_VIDEO_OV6650) += ov6650.o obj-$(CONFIG_VIDEO_OV7640) += ov7640.o obj-$(CONFIG_VIDEO_OV7670) += ov7670.o diff --git a/drivers/media/i2c/ov5695.c b/drivers/media/i2c/ov5695.c new file mode 100644 index 0000000..4745da4 --- /dev/null +++ b/drivers/media/i2c/ov5695.c @@ -0,0 +1,1396 @@ +/* + * ov5695 driver + * + * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/clk.h> +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <linux/regulator/consumer.h> +#include <linux/sysfs.h> +#include <media/media-entity.h> +#include <media/v4l2-async.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-subdev.h> + +#ifndef V4L2_CID_DIGITAL_GAIN +#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN +#endif + +/* 45Mhz * 4 Binning */ +#define OV5695_PIXEL_RATE (45 * 1000 * 1000 * 4) +#define CHIP_ID 0x005695 +#define OV5695_REG_CHIP_ID 0x300a + +#define OV5695_REG_CTRL_MODE 0x0100 +#define OV5695_MODE_SW_STANDBY 0x0 +#define OV5695_MODE_STREAMING BIT(0) + +#define OV5695_REG_EXPOSURE 0x3500 +#define OV5695_EXPOSURE_MIN 4 +#define OV5695_EXPOSURE_STEP 1 +#define OV5695_VTS_MAX 0x7fff + +#define OV5695_REG_ANALOG_GAIN 0x3509 +#define ANALOG_GAIN_MIN 0x10 +#define ANALOG_GAIN_MAX 0xf8 +#define ANALOG_GAIN_STEP 1 +#define ANALOG_GAIN_DEFAULT 0xf8 + +#define OV5695_REG_DIGI_GAIN_H 0x350a +#define OV5695_REG_DIGI_GAIN_L 0x350b +#define OV5695_DIGI_GAIN_L_MASK 0x3f +#define OV5695_DIGI_GAIN_H_SHIFT 6 +#define OV5695_DIGI_GAIN_MIN 0 +#define OV5695_DIGI_GAIN_MAX (0x4000 - 1) +#define OV5695_DIGI_GAIN_STEP 1 +#define OV5695_DIGI_GAIN_DEFAULT 1024 + +#define OV5695_REG_TEST_PATTERN 0x4503 +#define OV5695_TEST_PATTERN_ENABLE 0x80 +#define OV5695_TEST_PATTERN_DISABLE 0x0 + +#define OV5695_REG_VTS 0x380e + +#define REG_NULL 0xFFFF + +#define OV5695_REG_VALUE_08BIT 1 +#define OV5695_REG_VALUE_16BIT 2 +#define OV5695_REG_VALUE_24BIT 3 + +#define OV5695_LANES 2 +#define OV5695_BITS_PER_SAMPLE 10 + +struct regval { + u16 addr; + u8 val; +}; + +struct ov5695_mode { + u32 width; + u32 height; + u32 max_fps; + u32 hts_def; + u32 vts_def; + u32 exp_def; + const struct regval *reg_list; +}; + +struct ov5695 { + struct i2c_client *client; + struct clk *xvclk; + struct regulator *avdd_regulator; + struct regulator *dovdd_regulator; + struct regulator *dvdd_regulator; + struct gpio_desc *reset_gpio; + + struct v4l2_subdev subdev; + struct media_pad pad; + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl *exposure; + struct v4l2_ctrl *anal_gain; + struct v4l2_ctrl *digi_gain; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *vblank; + struct v4l2_ctrl *test_pattern; + struct mutex mutex; + bool streaming; + const struct ov5695_mode *cur_mode; +}; +#define to_ov5695(sd) container_of(sd, struct ov5695, subdev) + +/* + * Xclk 24Mhz + * Pclk 45Mhz + * linelength 672(0x2a0) + * framelength 2232(0x8b8) + * grabwindow_width 1296 + * grabwindow_height 972 + * max_framerate 30fps + * mipi_datarate per lane 840Mbps + */ +static const struct regval ov5695_global_regs[] = { + {0x0103, 0x01}, + {0x0100, 0x00}, + {0x0300, 0x04}, + {0x0301, 0x00}, + {0x0302, 0x69}, + {0x0303, 0x00}, + {0x0304, 0x00}, + {0x0305, 0x01}, + {0x0307, 0x00}, + {0x030b, 0x00}, + {0x030c, 0x00}, + {0x030d, 0x1e}, + {0x030e, 0x04}, + {0x030f, 0x03}, + {0x0312, 0x01}, + {0x3000, 0x00}, + {0x3002, 0xa1}, + {0x0308, 0x00}, + {0x0310, 0x00}, + {0x3022, 0x51}, + {0x3106, 0x15}, + {0x3107, 0x01}, + {0x3108, 0x05}, + {0x3500, 0x00}, + {0x3501, 0x45}, + {0x3502, 0x00}, + {0x3503, 0x08}, + {0x3504, 0x03}, + {0x3505, 0x8c}, + {0x3507, 0x03}, + {0x3508, 0x00}, + {0x3509, 0x10}, + {0x350c, 0x00}, + {0x350d, 0x80}, + {0x3510, 0x00}, + {0x3511, 0x02}, + {0x3512, 0x00}, + {0x3601, 0x55}, + {0x3602, 0x58}, + {0x3614, 0x30}, + {0x3615, 0x77}, + {0x3621, 0x08}, + {0x3624, 0x40}, + {0x3633, 0x0c}, + {0x3634, 0x0c}, + {0x3635, 0x0c}, + {0x3636, 0x0c}, + {0x3638, 0x00}, + {0x3639, 0x00}, + {0x363a, 0x00}, + {0x363b, 0x00}, + {0x363c, 0xff}, + {0x363d, 0xfa}, + {0x3650, 0x44}, + {0x3651, 0x44}, + {0x3652, 0x44}, + {0x3653, 0x44}, + {0x3654, 0x44}, + {0x3655, 0x44}, + {0x3656, 0x44}, + {0x3657, 0x44}, + {0x3660, 0x00}, + {0x3661, 0x00}, + {0x3662, 0x00}, + {0x366a, 0x00}, + {0x366e, 0x0c}, + {0x3673, 0x04}, + {0x3700, 0x14}, + {0x3703, 0x0c}, + {0x3715, 0x01}, + {0x3733, 0x10}, + {0x3734, 0x40}, + {0x373f, 0xa0}, + {0x3765, 0x20}, + {0x37a1, 0x1d}, + {0x37a8, 0x26}, + {0x37ab, 0x14}, + {0x37c2, 0x04}, + {0x37cb, 0x09}, + {0x37cc, 0x13}, + {0x37cd, 0x1f}, + {0x37ce, 0x1f}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x00}, + {0x3804, 0x0a}, + {0x3805, 0x3f}, + {0x3806, 0x07}, + {0x3807, 0xaf}, + {0x3808, 0x05}, + {0x3809, 0x10}, + {0x380a, 0x03}, + {0x380b, 0xcc}, + {0x380c, 0x02}, + {0x380d, 0xa0}, + {0x380e, 0x08}, + {0x380f, 0xb8}, + {0x3810, 0x00}, + {0x3811, 0x06}, + {0x3812, 0x00}, + {0x3813, 0x06}, + {0x3814, 0x03}, + {0x3815, 0x01}, + {0x3816, 0x03}, + {0x3817, 0x01}, + {0x3818, 0x00}, + {0x3819, 0x00}, + {0x381a, 0x00}, + {0x381b, 0x01}, + {0x3820, 0x8b}, + {0x3821, 0x01}, + {0x3c80, 0x08}, + {0x3c82, 0x00}, + {0x3c83, 0x00}, + {0x3c88, 0x00}, + {0x3d85, 0x14}, + {0x3f02, 0x08}, + {0x3f03, 0x10}, + {0x4008, 0x02}, + {0x4009, 0x09}, + {0x404e, 0x20}, + {0x4501, 0x00}, + {0x4502, 0x10}, + {0x4800, 0x00}, + {0x481f, 0x2a}, + {0x4837, 0x13}, + {0x5000, 0x17}, + {0x5780, 0x3e}, + {0x5781, 0x0f}, + {0x5782, 0x44}, + {0x5783, 0x02}, + {0x5784, 0x01}, + {0x5785, 0x01}, + {0x5786, 0x00}, + {0x5787, 0x04}, + {0x5788, 0x02}, + {0x5789, 0x0f}, + {0x578a, 0xfd}, + {0x578b, 0xf5}, + {0x578c, 0xf5}, + {0x578d, 0x03}, + {0x578e, 0x08}, + {0x578f, 0x0c}, + {0x5790, 0x08}, + {0x5791, 0x06}, + {0x5792, 0x00}, + {0x5793, 0x52}, + {0x5794, 0xa3}, + {0x5b00, 0x00}, + {0x5b01, 0x1c}, + {0x5b02, 0x00}, + {0x5b03, 0x7f}, + {0x5b05, 0x6c}, + {0x5e10, 0xfc}, + {0x4010, 0xf1}, + {0x3503, 0x08}, + {0x3505, 0x8c}, + {0x3507, 0x03}, + {0x3508, 0x00}, + {0x3509, 0xf8}, + {REG_NULL, 0x00}, +}; + +/* + * Xclk 24Mhz + * Pclk 45Mhz + * linelength 740(0x2e4) + * framelength 2024(0x7e8) + * grabwindow_width 2592 + * grabwindow_height 1944 + * max_framerate 30fps + * mipi_datarate per lane 840Mbps + */ +static const struct regval ov5695_2592x1944_regs[] = { + {0x3501, 0x7e}, + {0x366e, 0x18}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x04}, + {0x3804, 0x0a}, + {0x3805, 0x3f}, + {0x3806, 0x07}, + {0x3807, 0xab}, + {0x3808, 0x0a}, + {0x3809, 0x20}, + {0x380a, 0x07}, + {0x380b, 0x98}, + {0x380c, 0x02}, + {0x380d, 0xe4}, + {0x380e, 0x07}, + {0x380f, 0xe8}, + {0x3811, 0x06}, + {0x3813, 0x08}, + {0x3814, 0x01}, + {0x3816, 0x01}, + {0x3817, 0x01}, + {0x3820, 0x88}, + {0x3821, 0x00}, + {0x4501, 0x00}, + {0x4008, 0x04}, + {0x4009, 0x13}, + {REG_NULL, 0x00}, +}; + +/* + * Xclk 24Mhz + * Pclk 45Mhz + * linelength 672(0x2a0) + * framelength 2232(0x8b8) + * grabwindow_width 1920 + * grabwindow_height 1080 + * max_framerate 30fps + * mipi_datarate per lane 840Mbps + */ +static const struct regval ov5695_1920x1080_regs[] = { + {0x3501, 0x45}, + {0x366e, 0x18}, + {0x3800, 0x01}, + {0x3801, 0x50}, + {0x3802, 0x01}, + {0x3803, 0xb8}, + {0x3804, 0x08}, + {0x3805, 0xef}, + {0x3806, 0x05}, + {0x3807, 0xf7}, + {0x3808, 0x07}, + {0x3809, 0x80}, + {0x380a, 0x04}, + {0x380b, 0x38}, + {0x380c, 0x02}, + {0x380d, 0xa0}, + {0x380e, 0x08}, + {0x380f, 0xb8}, + {0x3811, 0x06}, + {0x3813, 0x04}, + {0x3814, 0x01}, + {0x3816, 0x01}, + {0x3817, 0x01}, + {0x3820, 0x88}, + {0x3821, 0x00}, + {0x4501, 0x00}, + {0x4008, 0x04}, + {0x4009, 0x13}, + {REG_NULL, 0x00} +}; + +/* + * Xclk 24Mhz + * Pclk 45Mhz + * linelength 740(0x02e4) + * framelength 1012(0x03f4) + * grabwindow_width 1296 + * grabwindow_height 972 + * max_framerate 60fps + * mipi_datarate per lane 840Mbps + */ +static const struct regval ov5695_1296x972_regs[] = { + {0x0103, 0x01}, + {0x0100, 0x00}, + {0x0300, 0x04}, + {0x0301, 0x00}, + {0x0302, 0x69}, + {0x0303, 0x00}, + {0x0304, 0x00}, + {0x0305, 0x01}, + {0x0307, 0x00}, + {0x030b, 0x00}, + {0x030c, 0x00}, + {0x030d, 0x1e}, + {0x030e, 0x04}, + {0x030f, 0x03}, + {0x0312, 0x01}, + {0x3000, 0x00}, + {0x3002, 0x21}, + {0x3016, 0x32}, + {0x3022, 0x51}, + {0x3106, 0x15}, + {0x3107, 0x01}, + {0x3108, 0x05}, + {0x3500, 0x00}, + {0x3501, 0x3e}, + {0x3502, 0x00}, + {0x3503, 0x08}, + {0x3504, 0x03}, + {0x3505, 0x8c}, + {0x3507, 0x03}, + {0x3508, 0x00}, + {0x3509, 0x10}, + {0x350c, 0x00}, + {0x350d, 0x80}, + {0x3510, 0x00}, + {0x3511, 0x02}, + {0x3512, 0x00}, + {0x3601, 0x55}, + {0x3602, 0x58}, + {0x3611, 0x58}, + {0x3614, 0x30}, + {0x3615, 0x77}, + {0x3621, 0x08}, + {0x3624, 0x40}, + {0x3633, 0x0c}, + {0x3634, 0x0c}, + {0x3635, 0x0c}, + {0x3636, 0x0c}, + {0x3638, 0x00}, + {0x3639, 0x00}, + {0x363a, 0x00}, + {0x363b, 0x00}, + {0x363c, 0xff}, + {0x363d, 0xfa}, + {0x3650, 0x44}, + {0x3651, 0x44}, + {0x3652, 0x44}, + {0x3653, 0x44}, + {0x3654, 0x44}, + {0x3655, 0x44}, + {0x3656, 0x44}, + {0x3657, 0x44}, + {0x3660, 0x00}, + {0x3661, 0x00}, + {0x3662, 0x00}, + {0x366a, 0x00}, + {0x366e, 0x0c}, + {0x3673, 0x04}, + {0x3700, 0x14}, + {0x3703, 0x0c}, + {0x3706, 0x24}, + {0x3714, 0x27}, + {0x3715, 0x01}, + {0x3716, 0x00}, + {0x3717, 0x02}, + {0x3733, 0x10}, + {0x3734, 0x40}, + {0x373f, 0xa0}, + {0x3765, 0x20}, + {0x37a1, 0x1d}, + {0x37a8, 0x26}, + {0x37ab, 0x14}, + {0x37c2, 0x04}, + {0x37c3, 0xf0}, + {0x37cb, 0x09}, + {0x37cc, 0x13}, + {0x37cd, 0x1f}, + {0x37ce, 0x1f}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x00}, + {0x3804, 0x0a}, + {0x3805, 0x3f}, + {0x3806, 0x07}, + {0x3807, 0xaf}, + {0x3808, 0x05}, + {0x3809, 0x10}, + {0x380a, 0x03}, + {0x380b, 0xcc}, + {0x380c, 0x02}, + {0x380d, 0xe4}, + {0x380e, 0x03}, + {0x380f, 0xf4}, + {0x3810, 0x00}, + {0x3811, 0x00}, + {0x3812, 0x00}, + {0x3813, 0x06}, + {0x3814, 0x03}, + {0x3815, 0x01}, + {0x3816, 0x03}, + {0x3817, 0x01}, + {0x3818, 0x00}, + {0x3819, 0x00}, + {0x381a, 0x00}, + {0x381b, 0x01}, + {0x3820, 0x8b}, + {0x3821, 0x01}, + {0x3c80, 0x08}, + {0x3c82, 0x00}, + {0x3c83, 0x00}, + {0x3c88, 0x00}, + {0x3d85, 0x14}, + {0x3f02, 0x08}, + {0x3f03, 0x10}, + {0x4008, 0x02}, + {0x4009, 0x09}, + {0x404e, 0x20}, + {0x4501, 0x00}, + {0x4502, 0x10}, + {0x4800, 0x00}, + {0x481f, 0x2a}, + {0x4837, 0x13}, + {0x5000, 0x13}, + {0x5780, 0x3e}, + {0x5781, 0x0f}, + {0x5782, 0x44}, + {0x5783, 0x02}, + {0x5784, 0x01}, + {0x5785, 0x01}, + {0x5786, 0x00}, + {0x5787, 0x04}, + {0x5788, 0x02}, + {0x5789, 0x0f}, + {0x578a, 0xfd}, + {0x578b, 0xf5}, + {0x578c, 0xf5}, + {0x578d, 0x03}, + {0x578e, 0x08}, + {0x578f, 0x0c}, + {0x5790, 0x08}, + {0x5791, 0x06}, + {0x5792, 0x00}, + {0x5793, 0x52}, + {0x5794, 0xa3}, + {0x5b00, 0x00}, + {0x5b01, 0x1c}, + {0x5b02, 0x00}, + {0x5b03, 0x7f}, + {0x5b05, 0x6c}, + {0x5e10, 0xfc}, + {0x4010, 0xf1}, + {0x3503, 0x08}, + {0x3505, 0x8c}, + {0x3507, 0x03}, + {0x3508, 0x00}, + {0x3509, 0xf8}, + {0x0100, 0x01}, + {REG_NULL, 0x00} +}; + +/* + * Xclk 24Mhz + * Pclk 45Mhz + * linelength 672(0x2a0) + * framelength 2232(0x8b8) + * grabwindow_width 1280 + * grabwindow_height 720 + * max_framerate 30fps + * mipi_datarate per lane 840Mbps + */ +static const struct regval ov5695_1280x720_regs[] = { + {0x3501, 0x45}, + {0x366e, 0x0c}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x01}, + {0x3803, 0x00}, + {0x3804, 0x0a}, + {0x3805, 0x3f}, + {0x3806, 0x06}, + {0x3807, 0xaf}, + {0x3808, 0x05}, + {0x3809, 0x00}, + {0x380a, 0x02}, + {0x380b, 0xd0}, + {0x380c, 0x02}, + {0x380d, 0xa0}, + {0x380e, 0x08}, + {0x380f, 0xb8}, + {0x3811, 0x06}, + {0x3813, 0x02}, + {0x3814, 0x03}, + {0x3816, 0x03}, + {0x3817, 0x01}, + {0x3820, 0x8b}, + {0x3821, 0x01}, + {0x4501, 0x00}, + {0x4008, 0x02}, + {0x4009, 0x09}, + {REG_NULL, 0x00} +}; + +/* + * Xclk 24Mhz + * Pclk 45Mhz + * linelength 672(0x2a0) + * framelength 558(0x22e) + * grabwindow_width 640 + * grabwindow_height 480 + * max_framerate 120fps + * mipi_datarate per lane 840Mbps + */ +static const struct regval ov5695_640x480_regs[] = { + {0x3501, 0x22}, + {0x366e, 0x0c}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x08}, + {0x3804, 0x0a}, + {0x3805, 0x3f}, + {0x3806, 0x07}, + {0x3807, 0xa7}, + {0x3808, 0x02}, + {0x3809, 0x80}, + {0x380a, 0x01}, + {0x380b, 0xe0}, + {0x380c, 0x02}, + {0x380d, 0xa0}, + {0x380e, 0x02}, + {0x380f, 0x2e}, + {0x3811, 0x06}, + {0x3813, 0x04}, + {0x3814, 0x07}, + {0x3816, 0x05}, + {0x3817, 0x03}, + {0x3820, 0x8d}, + {0x3821, 0x01}, + {0x4501, 0x00}, + {0x4008, 0x02}, + {0x4009, 0x09}, + {REG_NULL, 0x00} +}; + +static const struct ov5695_mode supported_modes[] = { + { + .width = 2592, + .height = 1944, + .max_fps = 30, + .exp_def = 0x0450, + .hts_def = 0x02e4 * 4, + .vts_def = 0x07e8, + .reg_list = ov5695_2592x1944_regs, + }, + { + .width = 1920, + .height = 1080, + .max_fps = 30, + .exp_def = 0x0450, + .hts_def = 0x02a0 * 4, + .vts_def = 0x08b8, + .reg_list = ov5695_1920x1080_regs, + }, + { + .width = 1296, + .height = 972, + .max_fps = 60, + .exp_def = 0x03e0, + .hts_def = 0x02e4 * 4, + .vts_def = 0x03f4, + .reg_list = ov5695_1296x972_regs, + }, + { + .width = 1280, + .height = 720, + .max_fps = 30, + .exp_def = 0x0450, + .hts_def = 0x02a0 * 4, + .vts_def = 0x08b8, + .reg_list = ov5695_1280x720_regs, + }, + { + .width = 640, + .height = 480, + .max_fps = 120, + .exp_def = 0x0450, + .hts_def = 0x02a0 * 4, + .vts_def = 0x022e, + .reg_list = ov5695_640x480_regs, + }, +}; + +#define OV5695_LINK_FREQ_420MHZ 420000000 +static const s64 link_freq_menu_items[] = { + OV5695_LINK_FREQ_420MHZ +}; + +static const char * const ov5695_test_pattern_menu[] = { + "Disabled", + "Vertical Color Bar Type 1", + "Vertical Color Bar Type 2", + "Vertical Color Bar Type 3", + "Vertical Color Bar Type 4" +}; + +/* Write registers up to 4 at a time */ +static int ov5695_write_reg(struct i2c_client *client, u16 reg, + unsigned int len, u32 val) +{ + int buf_i; + int val_i; + u8 buf[6]; + u8 *val_p; + __be32 val_be; + + if (len > 4) + return -EINVAL; + + buf[0] = reg >> 8; + buf[1] = reg & 0xff; + + val_be = cpu_to_be32(val); + val_p = (u8 *)&val_be; + buf_i = 2; + val_i = 4 - len; + + while (val_i < 4) + buf[buf_i++] = val_p[val_i++]; + + if (i2c_master_send(client, buf, len + 2) != len + 2) + return -EIO; + + return 0; +} + +static int ov5695_write_array(struct i2c_client *client, + const struct regval *regs) +{ + int i, ret = 0; + + for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) + ret = ov5695_write_reg(client, regs[i].addr, + OV5695_REG_VALUE_08BIT, regs[i].val); + + return ret; +} + +/* Read registers up to 4 at a time */ +static int ov5695_read_reg(struct i2c_client *client, u16 reg, unsigned int len, + u32 *val) +{ + struct i2c_msg msgs[2]; + u8 *data_be_p; + __be32 data_be = 0; + __be16 reg_addr_be = cpu_to_be16(reg); + int ret; + + if (len > 4) + return -EINVAL; + + data_be_p = (u8 *)&data_be; + /* Write register address */ + msgs[0].addr = client->addr; + msgs[0].flags = 0; + msgs[0].len = 2; + msgs[0].buf = (u8 *)®_addr_be; + + /* Read data from register */ + msgs[1].addr = client->addr; + msgs[1].flags = I2C_M_RD; + msgs[1].len = len; + msgs[1].buf = &data_be_p[4 - len]; + + ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (ret != ARRAY_SIZE(msgs)) + return -EIO; + + *val = be32_to_cpu(data_be); + + return 0; +} + +static int ov5695_get_reso_dist(const struct ov5695_mode *mode, + struct v4l2_mbus_framefmt *framefmt) +{ + return abs(mode->width - framefmt->width) + + abs(mode->height - framefmt->height); +} + +static const struct ov5695_mode *ov5695_find_best_fit( + struct v4l2_subdev_format *fmt) +{ + struct v4l2_mbus_framefmt *framefmt = &fmt->format; + int dist; + int cur_best_fit = 0; + int cur_best_fit_dist = -1; + int i; + + for (i = 0; i < ARRAY_SIZE(supported_modes); i++) { + dist = ov5695_get_reso_dist(&supported_modes[i], framefmt); + if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) { + cur_best_fit_dist = dist; + cur_best_fit = i; + } + } + + return &supported_modes[cur_best_fit]; +} + +static int ov5695_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct ov5695 *ov5695 = to_ov5695(sd); + const struct ov5695_mode *mode; + s64 h_blank, vblank_def; + + mutex_lock(&ov5695->mutex); + + mode = ov5695_find_best_fit(fmt); + fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; + fmt->format.width = mode->width; + fmt->format.height = mode->height; + fmt->format.field = V4L2_FIELD_NONE; + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format; +#else + mutex_unlock(&ov5695->mutex); + return -ENOTTY; +#endif + } else { + ov5695->cur_mode = mode; + h_blank = mode->hts_def - mode->width; + __v4l2_ctrl_modify_range(ov5695->hblank, h_blank, + h_blank, 1, h_blank); + vblank_def = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(ov5695->vblank, vblank_def, + OV5695_VTS_MAX - mode->height, + 1, vblank_def); + } + + mutex_unlock(&ov5695->mutex); + return 0; +} + +static int ov5695_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct ov5695 *ov5695 = to_ov5695(sd); + const struct ov5695_mode *mode = ov5695->cur_mode; + + mutex_lock(&ov5695->mutex); + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + fmt->format = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad); +#else + mutex_unlock(&ov5695->mutex); + return -ENOTTY; +#endif + } else { + fmt->format.width = mode->width; + fmt->format.height = mode->height; + fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; + fmt->format.field = V4L2_FIELD_NONE; + } + mutex_unlock(&ov5695->mutex); + return 0; +} + +static int ov5695_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->index != 0) + return -EINVAL; + code->code = MEDIA_BUS_FMT_SBGGR10_1X10; + + return 0; +} + +static int ov5695_enum_frame_sizes(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_size_enum *fse) +{ + if (fse->index > ARRAY_SIZE(supported_modes)) + return -EINVAL; + + if (fse->code != MEDIA_BUS_FMT_SBGGR10_1X10) + return -EINVAL; + + fse->min_width = supported_modes[fse->index].width; + fse->max_width = supported_modes[fse->index].width; + fse->max_height = supported_modes[fse->index].height; + fse->min_height = supported_modes[fse->index].height; + + return 0; +} + +static int ov5695_enable_test_pattern(struct ov5695 *ov5695, u32 pattern) +{ + u32 val; + + if (pattern) + val = (pattern - 1) | OV5695_TEST_PATTERN_ENABLE; + else + val = OV5695_TEST_PATTERN_DISABLE; + + return ov5695_write_reg(ov5695->client, OV5695_REG_TEST_PATTERN, + OV5695_REG_VALUE_08BIT, val); +} + +static void ov5695_set_exposure(struct ov5695 *ov5695, s32 val) +{ + /* 4 least significant bits of expsoure are fractional part */ + ov5695_write_reg(ov5695->client, OV5695_REG_EXPOSURE, + OV5695_REG_VALUE_24BIT, val << 4); +} + +static void ov5695_set_analog_gain(struct ov5695 *ov5695, s32 val) +{ + ov5695_write_reg(ov5695->client, OV5695_REG_ANALOG_GAIN, + OV5695_REG_VALUE_08BIT, val); +} + +static void ov5695_set_digi_gain(struct ov5695 *ov5695, s32 val) +{ + ov5695_write_reg(ov5695->client, OV5695_REG_DIGI_GAIN_L, + OV5695_REG_VALUE_08BIT, val & OV5695_DIGI_GAIN_L_MASK); + val >>= OV5695_DIGI_GAIN_H_SHIFT; + ov5695_write_reg(ov5695->client, OV5695_REG_DIGI_GAIN_H, + OV5695_REG_VALUE_08BIT, val); +} + +static void ov5695_set_vts(struct ov5695 *ov5695, s32 val) +{ + val += ov5695->cur_mode->height; + + ov5695_write_reg(ov5695->client, OV5695_REG_VTS, + OV5695_REG_VALUE_16BIT, val); +} + +static int __ov5695_start_stream(struct ov5695 *ov5695) +{ + int ret; + + ret = ov5695_write_array(ov5695->client, ov5695_global_regs); + if (ret) + return ret; + ret = ov5695_write_array(ov5695->client, ov5695->cur_mode->reg_list); + if (ret) + return ret; + + /* In case these controls are set before streaming */ + ov5695_set_exposure(ov5695, ov5695->exposure->val); + ov5695_set_analog_gain(ov5695, ov5695->anal_gain->val); + ov5695_set_digi_gain(ov5695, ov5695->digi_gain->val); + ov5695_set_vts(ov5695, ov5695->vblank->val); + ov5695_enable_test_pattern(ov5695, ov5695->test_pattern->val); + + ret = ov5695_write_reg(ov5695->client, OV5695_REG_CTRL_MODE, + OV5695_REG_VALUE_08BIT, OV5695_MODE_STREAMING); + return ret; +} + +static int __ov5695_stop_stream(struct ov5695 *ov5695) +{ + return ov5695_write_reg(ov5695->client, OV5695_REG_CTRL_MODE, + OV5695_REG_VALUE_08BIT, OV5695_MODE_SW_STANDBY); +} + +static int ov5695_s_stream(struct v4l2_subdev *sd, int on) +{ + struct ov5695 *ov5695 = to_ov5695(sd); + struct i2c_client *client = ov5695->client; + int ret = 0; + + mutex_lock(&ov5695->mutex); + on = !!on; + if (on == ov5695->streaming) + goto unlock_and_return; + + if (on) { + ret = pm_runtime_get_sync(&client->dev); + if (ret) + goto unlock_and_return; + + ret = __ov5695_start_stream(ov5695); + if (ret) { + v4l2_err(sd, "start stream failed while write regs\n"); + pm_runtime_put(&client->dev); + } + } else { + ret = __ov5695_stop_stream(ov5695); + if (ret) + goto unlock_and_return; + pm_runtime_put(&client->dev); + } + + ov5695->streaming = on; + +unlock_and_return: + mutex_unlock(&ov5695->mutex); + return ret; +} + +static int __ov5695_power_on(struct ov5695 *ov5695) +{ + int ret; + struct device *dev = &ov5695->client->dev; + + ret = clk_prepare_enable(ov5695->xvclk); + if (ret < 0) { + dev_err(dev, "Failed to enable xvclk\n"); + return ret; + } + + gpiod_set_value_cansleep(ov5695->reset_gpio, 1); + + /* AVDD and DOVDD may rise in any order */ + ret = regulator_enable(ov5695->avdd_regulator); + if (ret < 0) { + dev_err(dev, "Failed to enable regulator\n"); + goto disable_clk; + } + ret = regulator_enable(ov5695->dovdd_regulator); + if (ret < 0) { + dev_err(dev, "Failed to enable DOVDD regulator\n"); + goto disable_avdd; + } + /* DVDD must rise after AVDD and DOVDD */ + ret = regulator_enable(ov5695->dvdd_regulator); + if (ret < 0) { + dev_err(dev, "Failed to enable DVDD regulator\n"); + goto disable_dovdd; + } + + gpiod_set_value_cansleep(ov5695->reset_gpio, 0); + /* 8192 cycles prior to first SCCB transaction */ + usleep_range(1000, 1500); + + return 0; + +disable_dovdd: + regulator_disable(ov5695->dovdd_regulator); +disable_avdd: + regulator_disable(ov5695->avdd_regulator); +disable_clk: + clk_disable_unprepare(ov5695->xvclk); + + return ret; +} + +static void __ov5695_power_off(struct ov5695 *ov5695) +{ + clk_disable_unprepare(ov5695->xvclk); + gpiod_set_value_cansleep(ov5695->reset_gpio, 1); + regulator_disable(ov5695->dvdd_regulator); + regulator_disable(ov5695->dovdd_regulator); + regulator_disable(ov5695->avdd_regulator); +} + +static int ov5695_runtime_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov5695 *ov5695 = to_ov5695(sd); + int ret; + + ret = __ov5695_power_on(ov5695); + if (ret) + return ret; + + if (ov5695->streaming) { + ret = __ov5695_start_stream(ov5695); + if (ret) + __ov5695_power_off(ov5695); + } + + return ret; +} + +static int ov5695_runtime_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov5695 *ov5695 = to_ov5695(sd); + + __ov5695_power_off(ov5695); + + return 0; +} + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static int ov5695_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + struct ov5695 *ov5695 = to_ov5695(sd); + struct v4l2_mbus_framefmt *try_fmt = + v4l2_subdev_get_try_format(sd, fh->pad, 0); + + mutex_lock(&ov5695->mutex); + /* Initialize try_fmt */ + try_fmt->width = ov5695->cur_mode->width; + try_fmt->height = ov5695->cur_mode->height; + try_fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10; + try_fmt->field = V4L2_FIELD_NONE; + + mutex_unlock(&ov5695->mutex); + /* No crop or compose */ + return 0; +} +#endif + +static const struct dev_pm_ops ov5695_pm_ops = { + SET_RUNTIME_PM_OPS(ov5695_runtime_suspend, + ov5695_runtime_resume, NULL) +}; + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static const struct v4l2_subdev_internal_ops ov5695_internal_ops = { + .open = ov5695_open, +}; +#endif + +static struct v4l2_subdev_video_ops ov5695_video_ops = { + .s_stream = ov5695_s_stream, +}; + +static struct v4l2_subdev_pad_ops ov5695_pad_ops = { + .enum_mbus_code = ov5695_enum_mbus_code, + .enum_frame_size = ov5695_enum_frame_sizes, + .get_fmt = ov5695_get_fmt, + .set_fmt = ov5695_set_fmt, +}; + +static struct v4l2_subdev_ops ov5695_subdev_ops = { + .video = &ov5695_video_ops, + .pad = &ov5695_pad_ops, +}; + +static int ov5695_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct ov5695 *ov5695 = container_of(ctrl->handler, + struct ov5695, ctrl_handler); + struct i2c_client *client = ov5695->client; + s64 max; + int ret = 0; + + /* Propagate change of current control to all related controls */ + switch (ctrl->id) { + case V4L2_CID_VBLANK: + /* Update max exposure while meeting expected vblanking */ + max = ov5695->cur_mode->height + ctrl->val - 4; + __v4l2_ctrl_modify_range(ov5695->exposure, + ov5695->exposure->minimum, max, + ov5695->exposure->step, + ov5695->exposure->default_value); + break; + } + + pm_runtime_get_sync(&client->dev); + switch (ctrl->id) { + case V4L2_CID_EXPOSURE: + ov5695_set_exposure(ov5695, ctrl->val); + break; + case V4L2_CID_ANALOGUE_GAIN: + ov5695_set_analog_gain(ov5695, ctrl->val); + break; + case V4L2_CID_DIGITAL_GAIN: + ov5695_set_digi_gain(ov5695, ctrl->val); + break; + case V4L2_CID_VBLANK: + ov5695_set_vts(ov5695, ctrl->val); + break; + case V4L2_CID_TEST_PATTERN: + ret = ov5695_enable_test_pattern(ov5695, ctrl->val); + break; + default: + dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n", + __func__, ctrl->id, ctrl->val); + break; + }; + pm_runtime_put(&client->dev); + + return ret; +} + +static const struct v4l2_ctrl_ops ov5695_ctrl_ops = { + .s_ctrl = ov5695_set_ctrl, +}; + +static int ov5695_initialize_controls(struct ov5695 *ov5695) +{ + const struct ov5695_mode *mode; + struct v4l2_ctrl_handler *handler; + struct v4l2_ctrl *ctrl; + s64 exposure_max, vblank_def; + u32 h_blank; + int ret; + + handler = &ov5695->ctrl_handler; + mode = ov5695->cur_mode; + ret = v4l2_ctrl_handler_init(handler, 1); + if (ret) + return ret; + handler->lock = &ov5695->mutex; + + ctrl = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ, + 0, 0, link_freq_menu_items); + if (ctrl) + ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, + 0, OV5695_PIXEL_RATE, 1, OV5695_PIXEL_RATE); + + h_blank = mode->hts_def - mode->width; + ov5695->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, + h_blank, h_blank, 1, h_blank); + if (ov5695->hblank) + ov5695->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + vblank_def = mode->vts_def - mode->height; + ov5695->vblank = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, + V4L2_CID_VBLANK, vblank_def, + OV5695_VTS_MAX - mode->height, + 1, vblank_def); + + exposure_max = mode->vts_def - 4; + ov5695->exposure = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, + V4L2_CID_EXPOSURE, OV5695_EXPOSURE_MIN, + exposure_max, OV5695_EXPOSURE_STEP, + mode->exp_def); + + ov5695->anal_gain = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, + V4L2_CID_ANALOGUE_GAIN, ANALOG_GAIN_MIN, + ANALOG_GAIN_MAX, ANALOG_GAIN_STEP, + ANALOG_GAIN_DEFAULT); + + /* Digital gain */ + ov5695->digi_gain = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, + V4L2_CID_DIGITAL_GAIN, OV5695_DIGI_GAIN_MIN, + OV5695_DIGI_GAIN_MAX, OV5695_DIGI_GAIN_STEP, + OV5695_DIGI_GAIN_DEFAULT); + + ov5695->test_pattern = v4l2_ctrl_new_std_menu_items(handler, + &ov5695_ctrl_ops, V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(ov5695_test_pattern_menu) - 1, + 0, 0, ov5695_test_pattern_menu); + + if (handler->error) { + v4l2_ctrl_handler_free(handler); + return handler->error; + } + + ov5695->subdev.ctrl_handler = handler; + + return 0; +} + +static int ov5695_check_sensor_id(struct ov5695 *ov5695, + struct i2c_client *client) +{ + struct device *dev = &ov5695->client->dev; + u32 id; + int ret; + + ret = __ov5695_power_on(ov5695); + if (ret) + return ret; + ov5695_read_reg(client, OV5695_REG_CHIP_ID, + OV5695_REG_VALUE_24BIT, &id); + __ov5695_power_off(ov5695); + + if (id != CHIP_ID) { + dev_err(dev, "Wrong camera sensor id(%06x)\n", id); + return -EINVAL; + } + + dev_info(dev, "Detected OV%06x sensor\n", CHIP_ID); + + return 0; +} + +static int ov5695_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct ov5695 *ov5695; + struct v4l2_subdev *sd; + int ret; + + ov5695 = devm_kzalloc(dev, sizeof(*ov5695), GFP_KERNEL); + if (!ov5695) + return -ENOMEM; + + ov5695->client = client; + ov5695->cur_mode = &supported_modes[0]; + + ov5695->xvclk = devm_clk_get(dev, "xvclk"); + if (IS_ERR(ov5695->xvclk)) { + dev_err(dev, "Failed to get xvclk\n"); + return -EINVAL; + } + ret = clk_set_rate(ov5695->xvclk, 24000000); + if (ret < 0) { + dev_err(dev, "Failed to set xvclk rate (24M)\n"); + return ret; + } + + ov5695->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ov5695->reset_gpio)) { + dev_err(dev, "Failed to get reset-gpios\n"); + return -EINVAL; + } + + ov5695->avdd_regulator = devm_regulator_get(dev, "avdd"); + if (IS_ERR(ov5695->avdd_regulator)) { + dev_err(dev, "Failed to get avdd-supply\n"); + return -EINVAL; + } + ov5695->dovdd_regulator = devm_regulator_get(dev, "dovdd"); + if (IS_ERR(ov5695->dovdd_regulator)) { + dev_err(dev, "Failed to get dovdd-supply\n"); + return -EINVAL; + } + ov5695->dvdd_regulator = devm_regulator_get(dev, "dvdd"); + if (IS_ERR(ov5695->dvdd_regulator)) { + dev_err(dev, "Failed to get dvdd-supply\n"); + return -EINVAL; + } + + mutex_init(&ov5695->mutex); + + sd = &ov5695->subdev; + v4l2_i2c_subdev_init(sd, client, &ov5695_subdev_ops); +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + sd->internal_ops = &ov5695_internal_ops; +#endif + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + + ret = ov5695_initialize_controls(ov5695); + if (ret) + return ret; + ret = ov5695_check_sensor_id(ov5695, client); + if (ret) + return ret; + +#if defined(CONFIG_MEDIA_CONTROLLER) + ov5695->pad.flags = MEDIA_PAD_FL_SOURCE; + sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; + ret = media_entity_pads_init(&sd->entity, 1, &ov5695->pad); + if (ret < 0) + return ret; +#endif + + ret = v4l2_async_register_subdev(sd); + if (ret) { + dev_err(dev, "v4l2 async register subdev failed\n"); + goto clean_entity; + } + + pm_runtime_enable(dev); + dev_info(dev, "Probe successfully\n"); + + return 0; + +clean_entity: +#if defined(CONFIG_MEDIA_CONTROLLER) + media_entity_cleanup(&sd->entity); +#endif + + return ret; +} + +static int ov5695_remove(struct i2c_client *client) +{ + struct ov5695 *ov5695 = i2c_get_clientdata(client); + + v4l2_async_unregister_subdev(&ov5695->subdev); + + pm_runtime_disable(&client->dev); + return 0; +} + +static const struct of_device_id ov5695_of_match[] = { + { .compatible = "ovti,ov5695" }, + {}, +}; + +static struct i2c_driver ov5695_i2c_driver = { + .driver = { + .name = "ov5695", + .owner = THIS_MODULE, + .pm = &ov5695_pm_ops, + .of_match_table = ov5695_of_match + }, + .probe = &ov5695_probe, + .remove = &ov5695_remove, +}; + +module_i2c_driver(ov5695_i2c_driver); + +MODULE_DESCRIPTION("OmniVision ov5695 sensor driver"); +MODULE_LICENSE("GPL v2");
This patch adds driver for Omnivision's ov5695 sensor, the driver supports following features: - supported resolutions + 2592x1944 at 30fps + 1920x1080 at 30fps + 1296x972 at 60fps + 1280x720 at 30fps + 640x480 at 120fps - test patterns - manual exposure/gain(analog and digital) control - vblank and hblank - media controller - runtime pm Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com> --- drivers/media/i2c/Kconfig | 11 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/ov5695.c | 1396 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 1408 insertions(+) create mode 100644 drivers/media/i2c/ov5695.c