// SPDX-License-Identifier: GPL-2.0 /* * imx214.c - imx214 sensor driver * * Copyright 2018 Qtechnology A/S * * Ricardo Ribalda <[email protected]> */ #include <linux/clk.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/regmap.h> #include <linux/regulator/consumer.h> #include <media/media-entity.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-subdev.h> #define IMX214_REG_MODE_SELECT … #define IMX214_MODE_STANDBY … #define IMX214_MODE_STREAMING … #define IMX214_DEFAULT_CLK_FREQ … #define IMX214_DEFAULT_LINK_FREQ … #define IMX214_DEFAULT_PIXEL_RATE … #define IMX214_FPS … #define IMX214_MBUS_CODE … /* Exposure control */ #define IMX214_REG_EXPOSURE … #define IMX214_EXPOSURE_MIN … #define IMX214_EXPOSURE_MAX … #define IMX214_EXPOSURE_STEP … #define IMX214_EXPOSURE_DEFAULT … /* IMX214 native and active pixel array size */ #define IMX214_NATIVE_WIDTH … #define IMX214_NATIVE_HEIGHT … #define IMX214_PIXEL_ARRAY_LEFT … #define IMX214_PIXEL_ARRAY_TOP … #define IMX214_PIXEL_ARRAY_WIDTH … #define IMX214_PIXEL_ARRAY_HEIGHT … static const char * const imx214_supply_name[] = …; #define IMX214_NUM_SUPPLIES … struct imx214 { … }; struct reg_8 { … }; enum { … }; /*From imx214_mode_tbls.h*/ static const struct reg_8 mode_4096x2304[] = …; static const struct reg_8 mode_1920x1080[] = …; static const struct reg_8 mode_table_common[] = …; /* * Declare modes in order, from biggest * to smallest height. */ static const struct imx214_mode { … } imx214_modes[] = …; static inline struct imx214 *to_imx214(struct v4l2_subdev *sd) { … } static int __maybe_unused imx214_power_on(struct device *dev) { … } static int __maybe_unused imx214_power_off(struct device *dev) { … } static int imx214_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int imx214_enum_frame_size(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } #ifdef CONFIG_VIDEO_ADV_DEBUG static int imx214_s_register(struct v4l2_subdev *subdev, const struct v4l2_dbg_register *reg) { … } static int imx214_g_register(struct v4l2_subdev *subdev, struct v4l2_dbg_register *reg) { … } #endif static const struct v4l2_subdev_core_ops imx214_core_ops = …; static struct v4l2_mbus_framefmt * __imx214_get_pad_format(struct imx214 *imx214, struct v4l2_subdev_state *sd_state, unsigned int pad, enum v4l2_subdev_format_whence which) { … } static int imx214_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static struct v4l2_rect * __imx214_get_pad_crop(struct imx214 *imx214, struct v4l2_subdev_state *sd_state, unsigned int pad, enum v4l2_subdev_format_whence which) { … } static int imx214_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static int imx214_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int imx214_entity_init_state(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state) { … } static int imx214_set_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops imx214_ctrl_ops = …; static int imx214_ctrls_init(struct imx214 *imx214) { static const s64 link_freq[] = { IMX214_DEFAULT_LINK_FREQ }; static const struct v4l2_area unit_size = { .width = 1120, .height = 1120, }; struct v4l2_fwnode_device_properties props; struct v4l2_ctrl_handler *ctrl_hdlr; int ret; ret = v4l2_fwnode_device_parse(imx214->dev, &props); if (ret < 0) return ret; ctrl_hdlr = &imx214->ctrls; ret = v4l2_ctrl_handler_init(&imx214->ctrls, 6); if (ret) return ret; imx214->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, NULL, V4L2_CID_PIXEL_RATE, 0, IMX214_DEFAULT_PIXEL_RATE, 1, IMX214_DEFAULT_PIXEL_RATE); imx214->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, NULL, V4L2_CID_LINK_FREQ, ARRAY_SIZE(link_freq) - 1, 0, link_freq); if (imx214->link_freq) imx214->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; /* * WARNING! * Values obtained reverse engineering blobs and/or devices. * Ranges and functionality might be wrong. * * Sony, please release some register set documentation for the * device. * * Yours sincerely, Ricardo. */ imx214->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx214_ctrl_ops, V4L2_CID_EXPOSURE, IMX214_EXPOSURE_MIN, IMX214_EXPOSURE_MAX, IMX214_EXPOSURE_STEP, IMX214_EXPOSURE_DEFAULT); imx214->unit_size = v4l2_ctrl_new_std_compound(ctrl_hdlr, NULL, V4L2_CID_UNIT_CELL_SIZE, v4l2_ctrl_ptr_create((void *)&unit_size)); v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx214_ctrl_ops, &props); ret = ctrl_hdlr->error; if (ret) { v4l2_ctrl_handler_free(ctrl_hdlr); dev_err(imx214->dev, "failed to add controls: %d\n", ret); return ret; } imx214->sd.ctrl_handler = ctrl_hdlr; return 0; }; #define MAX_CMD … static int imx214_write_table(struct imx214 *imx214, const struct reg_8 table[]) { … } static int imx214_start_streaming(struct imx214 *imx214) { … } static int imx214_stop_streaming(struct imx214 *imx214) { … } static int imx214_s_stream(struct v4l2_subdev *subdev, int enable) { … } static int imx214_get_frame_interval(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *fival) { … } static int imx214_enum_frame_interval(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval_enum *fie) { … } static const struct v4l2_subdev_video_ops imx214_video_ops = …; static const struct v4l2_subdev_pad_ops imx214_subdev_pad_ops = …; static const struct v4l2_subdev_ops imx214_subdev_ops = …; static const struct v4l2_subdev_internal_ops imx214_internal_ops = …; static const struct regmap_config sensor_regmap_config = …; static int imx214_get_regulators(struct device *dev, struct imx214 *imx214) { … } static int imx214_parse_fwnode(struct device *dev) { … } static int imx214_probe(struct i2c_client *client) { … } static void imx214_remove(struct i2c_client *client) { … } static const struct of_device_id imx214_of_match[] = …; MODULE_DEVICE_TABLE(of, imx214_of_match); static const struct dev_pm_ops imx214_pm_ops = …; static struct i2c_driver imx214_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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