// SPDX-License-Identifier: GPL-2.0-only /* * Driver for the Sony IMX415 CMOS Image Sensor. * * Copyright (C) 2023 WolfVision GmbH. */ #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-cci.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-subdev.h> #define IMX415_PIXEL_ARRAY_TOP … #define IMX415_PIXEL_ARRAY_LEFT … #define IMX415_PIXEL_ARRAY_WIDTH … #define IMX415_PIXEL_ARRAY_HEIGHT … #define IMX415_PIXEL_ARRAY_VBLANK … #define IMX415_NUM_CLK_PARAM_REGS … #define IMX415_MODE … #define IMX415_MODE_OPERATING … #define IMX415_MODE_STANDBY … #define IMX415_REGHOLD … #define IMX415_REGHOLD_INVALID … #define IMX415_REGHOLD_VALID … #define IMX415_XMSTA … #define IMX415_XMSTA_START … #define IMX415_XMSTA_STOP … #define IMX415_BCWAIT_TIME … #define IMX415_CPWAIT_TIME … #define IMX415_WINMODE … #define IMX415_ADDMODE … #define IMX415_REVERSE … #define IMX415_HREVERSE_SHIFT … #define IMX415_VREVERSE_SHIFT … #define IMX415_ADBIT … #define IMX415_MDBIT … #define IMX415_SYS_MODE … #define IMX415_OUTSEL … #define IMX415_DRV … #define IMX415_VMAX … #define IMX415_HMAX … #define IMX415_SHR0 … #define IMX415_GAIN_PCG_0 … #define IMX415_AGAIN_MIN … #define IMX415_AGAIN_MAX … #define IMX415_AGAIN_STEP … #define IMX415_BLKLEVEL … #define IMX415_BLKLEVEL_DEFAULT … #define IMX415_TPG_EN_DUOUT … #define IMX415_TPG_PATSEL_DUOUT … #define IMX415_TPG_COLORWIDTH … #define IMX415_TESTCLKEN_MIPI … #define IMX415_INCKSEL1 … #define IMX415_INCKSEL2 … #define IMX415_INCKSEL3 … #define IMX415_INCKSEL4 … #define IMX415_INCKSEL5 … #define IMX415_DIG_CLP_MODE … #define IMX415_WRJ_OPEN … #define IMX415_SENSOR_INFO … #define IMX415_SENSOR_INFO_MASK … #define IMX415_CHIP_ID … #define IMX415_LANEMODE … #define IMX415_LANEMODE_2 … #define IMX415_LANEMODE_4 … #define IMX415_TXCLKESC_FREQ … #define IMX415_INCKSEL6 … #define IMX415_TCLKPOST … #define IMX415_TCLKPREPARE … #define IMX415_TCLKTRAIL … #define IMX415_TCLKZERO … #define IMX415_THSPREPARE … #define IMX415_THSZERO … #define IMX415_THSTRAIL … #define IMX415_THSEXIT … #define IMX415_TLPX … #define IMX415_INCKSEL7 … static const char *const imx415_supply_names[] = …; /* * The IMX415 data sheet uses lane rates but v4l2 uses link frequency to * describe MIPI CSI-2 speed. This driver uses lane rates wherever possible * and converts them to link frequencies by a factor of two when needed. */ static const s64 link_freq_menu_items[] = …; struct imx415_clk_params { … }; /* INCK Settings - includes all lane rate and INCK dependent registers */ static const struct imx415_clk_params imx415_clk_params[] = …; /* all-pixel 2-lane 720 Mbps 15.74 Hz mode */ static const struct cci_reg_sequence imx415_mode_2_720[] = …; /* all-pixel 2-lane 1440 Mbps 30.01 Hz mode */ static const struct cci_reg_sequence imx415_mode_2_1440[] = …; /* all-pixel 4-lane 891 Mbps 30 Hz mode */ static const struct cci_reg_sequence imx415_mode_4_891[] = …; struct imx415_mode_reg_list { … }; /* * Mode : number of lanes, lane rate and frame rate dependent settings * * pixel_rate and hmax_pix are needed to calculate hblank for the v4l2 ctrl * interface. These values can not be found in the data sheet and should be * treated as virtual values. Use following table when adding new modes. * * lane_rate lanes fps hmax_pix pixel_rate * * 594 2 10.000 4400 99000000 * 891 2 15.000 4400 148500000 * 720 2 15.748 4064 144000000 * 1782 2 30.000 4400 297000000 * 2079 2 30.000 4400 297000000 * 1440 2 30.019 4510 304615385 * * 594 4 20.000 5500 247500000 * 594 4 25.000 4400 247500000 * 720 4 25.000 4400 247500000 * 720 4 30.019 4510 304615385 * 891 4 30.000 4400 297000000 * 1440 4 30.019 4510 304615385 * 1440 4 60.038 4510 609230769 * 1485 4 60.000 4400 594000000 * 1782 4 60.000 4400 594000000 * 2079 4 60.000 4400 594000000 * 2376 4 90.164 4392 891000000 */ struct imx415_mode { … }; /* mode configs */ static const struct imx415_mode supported_modes[] = …; static const char *const imx415_test_pattern_menu[] = …; struct imx415 { … }; /* * This table includes fixed register settings and a bunch of undocumented * registers that have to be set to another value than default. */ static const struct cci_reg_sequence imx415_init_table[] = …; static inline struct imx415 *to_imx415(struct v4l2_subdev *sd) { … } static int imx415_set_testpattern(struct imx415 *sensor, int val) { … } static int imx415_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops imx415_ctrl_ops = …; static int imx415_ctrls_init(struct imx415 *sensor) { … } static int imx415_set_mode(struct imx415 *sensor, int mode) { … } static int imx415_setup(struct imx415 *sensor, struct v4l2_subdev_state *state) { … } static int imx415_wakeup(struct imx415 *sensor) { … } static int imx415_stream_on(struct imx415 *sensor) { … } static int imx415_stream_off(struct imx415 *sensor) { … } static int imx415_s_stream(struct v4l2_subdev *sd, int enable) { … } static int imx415_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_mbus_code_enum *code) { … } static int imx415_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_frame_size_enum *fse) { … } static int imx415_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_format *fmt) { … } static int imx415_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int imx415_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *state) { … } static const struct v4l2_subdev_video_ops imx415_subdev_video_ops = …; static const struct v4l2_subdev_pad_ops imx415_subdev_pad_ops = …; static const struct v4l2_subdev_ops imx415_subdev_ops = …; static const struct v4l2_subdev_internal_ops imx415_internal_ops = …; static int imx415_subdev_init(struct imx415 *sensor) { … } static void imx415_subdev_cleanup(struct imx415 *sensor) { … } static int imx415_power_on(struct imx415 *sensor) { … } static void imx415_power_off(struct imx415 *sensor) { … } static int imx415_identify_model(struct imx415 *sensor) { … } static int imx415_check_inck(unsigned long inck, u64 link_frequency) { … } static int imx415_parse_hw_config(struct imx415 *sensor) { … } static int imx415_probe(struct i2c_client *client) { … } static void imx415_remove(struct i2c_client *client) { … } static int imx415_runtime_resume(struct device *dev) { … } static int imx415_runtime_suspend(struct device *dev) { … } static DEFINE_RUNTIME_DEV_PM_OPS(imx415_pm_ops, imx415_runtime_suspend, imx415_runtime_resume, NULL); static const struct of_device_id imx415_of_match[] = …; MODULE_DEVICE_TABLE(of, imx415_of_match); static struct i2c_driver imx415_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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