// SPDX-License-Identifier: GPL-2.0 /* * Driver for IMX296 CMOS Image Sensor from Sony * * Copyright 2019 Laurent Pinchart <[email protected]> */ #include <linux/clk.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/of.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/videodev2.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-subdev.h> #define IMX296_PIXEL_ARRAY_WIDTH … #define IMX296_PIXEL_ARRAY_HEIGHT … #define IMX296_REG_8BIT(n) … #define IMX296_REG_16BIT(n) … #define IMX296_REG_24BIT(n) … #define IMX296_REG_SIZE_SHIFT … #define IMX296_REG_ADDR_MASK … #define IMX296_CTRL00 … #define IMX296_CTRL00_STANDBY … #define IMX296_CTRL08 … #define IMX296_CTRL08_REGHOLD … #define IMX296_CTRL0A … #define IMX296_CTRL0A_XMSTA … #define IMX296_CTRL0B … #define IMX296_CTRL0B_TRIGEN … #define IMX296_CTRL0D … #define IMX296_CTRL0D_WINMODE_ALL … #define IMX296_CTRL0D_WINMODE_FD_BINNING … #define IMX296_CTRL0D_HADD_ON_BINNING … #define IMX296_CTRL0D_SAT_CNT … #define IMX296_CTRL0E … #define IMX296_CTRL0E_VREVERSE … #define IMX296_CTRL0E_HREVERSE … #define IMX296_VMAX … #define IMX296_HMAX … #define IMX296_TMDCTRL … #define IMX296_TMDCTRL_LATCH … #define IMX296_TMDOUT … #define IMX296_TMDOUT_MASK … #define IMX296_WDSEL … #define IMX296_WDSEL_NORMAL … #define IMX296_WDSEL_MULTI_2 … #define IMX296_WDSEL_MULTI_4 … #define IMX296_BLKLEVELAUTO … #define IMX296_BLKLEVELAUTO_ON … #define IMX296_BLKLEVELAUTO_OFF … #define IMX296_SST … #define IMX296_SST_EN … #define IMX296_CTRLTOUT … #define IMX296_CTRLTOUT_TOUT1SEL_LOW … #define IMX296_CTRLTOUT_TOUT1SEL_PULSE … #define IMX296_CTRLTOUT_TOUT2SEL_LOW … #define IMX296_CTRLTOUT_TOUT2SEL_PULSE … #define IMX296_CTRLTRIG … #define IMX296_CTRLTRIG_TOUT1_SEL_LOW … #define IMX296_CTRLTRIG_TOUT1_SEL_PULSE1 … #define IMX296_CTRLTRIG_TOUT2_SEL_LOW … #define IMX296_CTRLTRIG_TOUT2_SEL_PULSE2 … #define IMX296_SYNCSEL … #define IMX296_SYNCSEL_NORMAL … #define IMX296_SYNCSEL_HIZ … #define IMX296_PULSE1 … #define IMX296_PULSE1_EN_NOR … #define IMX296_PULSE1_EN_TRIG … #define IMX296_PULSE1_POL_HIGH … #define IMX296_PULSE1_POL_LOW … #define IMX296_PULSE1_UP … #define IMX296_PULSE1_DN … #define IMX296_PULSE2 … #define IMX296_PULSE2_EN_NOR … #define IMX296_PULSE2_EN_TRIG … #define IMX296_PULSE2_POL_HIGH … #define IMX296_PULSE2_POL_LOW … #define IMX296_PULSE2_UP … #define IMX296_PULSE2_DN … #define IMX296_INCKSEL(n) … #define IMX296_SHS1 … #define IMX296_SHS2 … #define IMX296_SHS3 … #define IMX296_SHS4 … #define IMX296_VBLANKLP … #define IMX296_VBLANKLP_NORMAL … #define IMX296_VBLANKLP_LOW_POWER … #define IMX296_EXP_CNT … #define IMX296_EXP_CNT_RESET … #define IMX296_EXP_MAX … #define IMX296_VINT … #define IMX296_VINT_EN … #define IMX296_LOWLAGTRG … #define IMX296_LOWLAGTRG_FAST … #define IMX296_I2CCTRL … #define IMX296_I2CCTRL_I2CACKEN … #define IMX296_SENSOR_INFO … #define IMX296_SENSOR_INFO_MONO … #define IMX296_SENSOR_INFO_IMX296LQ … #define IMX296_SENSOR_INFO_IMX296LL … #define IMX296_S_SHSA … #define IMX296_S_SHSB … /* * Registers 0x31c8 to 0x31cd, 0x31d0 to 0x31d5, 0x31e2, 0x31e3, 0x31ea and * 0x31eb are related to exposure mode but otherwise not documented. */ #define IMX296_GAINCTRL … #define IMX296_GAINCTRL_WD_GAIN_MODE_NORMAL … #define IMX296_GAINCTRL_WD_GAIN_MODE_MULTI … #define IMX296_GAIN … #define IMX296_GAIN_MIN … #define IMX296_GAIN_MAX … #define IMX296_GAIN1 … #define IMX296_GAIN2 … #define IMX296_GAIN3 … #define IMX296_GAINDLY … #define IMX296_GAINDLY_NONE … #define IMX296_GAINDLY_1FRAME … #define IMX296_PGCTRL … #define IMX296_PGCTRL_REGEN … #define IMX296_PGCTRL_THRU … #define IMX296_PGCTRL_CLKEN … #define IMX296_PGCTRL_MODE(n) … #define IMX296_PGHPOS … #define IMX296_PGVPOS … #define IMX296_PGHPSTEP … #define IMX296_PGVPSTEP … #define IMX296_PGHPNUM … #define IMX296_PGVPNUM … #define IMX296_PGDATA1 … #define IMX296_PGDATA2 … #define IMX296_PGHGSTEP … #define IMX296_BLKLEVEL … #define IMX296_FID0_ROI … #define IMX296_FID0_ROIH1ON … #define IMX296_FID0_ROIV1ON … #define IMX296_FID0_ROIPH1 … #define IMX296_FID0_ROIPV1 … #define IMX296_FID0_ROIWH1 … #define IMX296_FID0_ROIWH1_MIN … #define IMX296_FID0_ROIWV1 … #define IMX296_FID0_ROIWV1_MIN … #define IMX296_CM_HSST_STARTTMG … #define IMX296_CM_HSST_ENDTMG … #define IMX296_DA_HSST_STARTTMG … #define IMX296_DA_HSST_ENDTMG … #define IMX296_LM_HSST_STARTTMG … #define IMX296_LM_HSST_ENDTMG … #define IMX296_SST_SIEASTA1_SET … #define IMX296_SST_SIEASTA1PRE_1U … #define IMX296_SST_SIEASTA1PRE_1D … #define IMX296_SST_SIEASTA1PRE_2U … #define IMX296_SST_SIEASTA1PRE_2D … #define IMX296_HSST … #define IMX296_HSST_EN … #define IMX296_CKREQSEL … #define IMX296_CKREQSEL_HS … #define IMX296_GTTABLENUM … #define IMX296_CTRL418C … struct imx296_clk_params { … }; static const struct imx296_clk_params imx296_clk_params[] = …; static const char * const imx296_supply_names[] = …; struct imx296 { … }; static inline struct imx296 *to_imx296(struct v4l2_subdev *sd) { … } static int imx296_read(struct imx296 *sensor, u32 addr) { … } static int imx296_write(struct imx296 *sensor, u32 addr, u32 value, int *err) { … } static int imx296_power_on(struct imx296 *sensor) { … } static void imx296_power_off(struct imx296 *sensor) { … } /* ----------------------------------------------------------------------------- * Controls */ static const char * const imx296_test_pattern_menu[] = …; static int imx296_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops imx296_ctrl_ops = …; static int imx296_ctrls_init(struct imx296 *sensor) { … } /* ----------------------------------------------------------------------------- * V4L2 Subdev Operations */ /* * This table is extracted from vendor data that is entirely undocumented. The * first register write is required to activate the CSI-2 output. The other * entries may or may not be optional? */ static const struct { … } imx296_init_table[] = …; static int imx296_setup(struct imx296 *sensor, struct v4l2_subdev_state *state) { … } static int imx296_stream_on(struct imx296 *sensor) { … } static int imx296_stream_off(struct imx296 *sensor) { … } static int imx296_s_stream(struct v4l2_subdev *sd, int enable) { … } static int imx296_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_mbus_code_enum *code) { … } static int imx296_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_frame_size_enum *fse) { … } static int imx296_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_format *fmt) { … } static int imx296_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_selection *sel) { … } static int imx296_set_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_selection *sel) { … } static int imx296_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *state) { … } static const struct v4l2_subdev_video_ops imx296_subdev_video_ops = …; static const struct v4l2_subdev_pad_ops imx296_subdev_pad_ops = …; static const struct v4l2_subdev_ops imx296_subdev_ops = …; static const struct v4l2_subdev_internal_ops imx296_internal_ops = …; static int imx296_subdev_init(struct imx296 *sensor) { … } static void imx296_subdev_cleanup(struct imx296 *sensor) { … } /* ----------------------------------------------------------------------------- * Power management */ static int __maybe_unused imx296_runtime_resume(struct device *dev) { … } static int __maybe_unused imx296_runtime_suspend(struct device *dev) { … } static const struct dev_pm_ops imx296_pm_ops = …; /* ----------------------------------------------------------------------------- * Probe & Remove */ static int imx296_read_temperature(struct imx296 *sensor, int *temp) { … } static int imx296_identify_model(struct imx296 *sensor) { … } static const struct regmap_config imx296_regmap_config = …; static int imx296_probe(struct i2c_client *client) { … } static void imx296_remove(struct i2c_client *client) { … } static const struct of_device_id imx296_of_match[] = …; MODULE_DEVICE_TABLE(of, imx296_of_match); static struct i2c_driver imx296_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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