// SPDX-License-Identifier: GPL-2.0 /* * Driver for the Techwell TW9900 multi-standard video decoder. * * Copyright (C) 2018 Fuzhou Rockchip Electronics Co., Ltd. * Copyright (C) 2020 Maxime Chevallier <[email protected]> * Copyright (C) 2023 Mehdi Djait <[email protected]> */ #include <linux/bitfield.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/device.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 <media/media-entity.h> #include <media/v4l2-async.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-event.h> #include <media/v4l2-subdev.h> #define TW9900_REG_CHIP_ID … #define TW9900_REG_CHIP_STATUS … #define TW9900_REG_CHIP_STATUS_VDLOSS … #define TW9900_REG_CHIP_STATUS_HLOCK … #define TW9900_REG_OUT_FMT_CTL … #define TW9900_REG_OUT_FMT_CTL_STANDBY … #define TW9900_REG_OUT_FMT_CTL_STREAMING … #define TW9900_REG_CKHY_HSDLY … #define TW9900_REG_OUT_CTRL_I … #define TW9900_REG_ANALOG_CTL … #define TW9900_REG_CROP_HI … #define TW9900_REG_VDELAY_LO … #define TW9900_REG_VACTIVE_LO … #define TW9900_REG_HACTIVE_LO … #define TW9900_REG_CNTRL1 … #define TW9900_REG_BRIGHT_CTL … #define TW9900_REG_CONTRAST_CTL … #define TW9900_REG_VBI_CNTL … #define TW9900_REG_ANAL_CTL_II … #define TW9900_REG_OUT_CTRL_II … #define TW9900_REG_STD … #define TW9900_REG_STD_AUTO_PROGRESS … #define TW9900_STDNOW_MASK … #define TW9900_REG_STDR … #define TW9900_REG_MISSCNT … #define TW9900_REG_MISC_CTL_II … #define TW9900_REG_VVBI … #define TW9900_CHIP_ID … #define TW9900_STD_NTSC_M … #define TW9900_STD_PAL_BDGHI … #define TW9900_STD_AUTO … #define TW9900_VIDEO_POLL_TRIES … struct regval { … }; struct tw9900_mode { … }; struct tw9900 { … }; #define to_tw9900(sd) … static const struct regval tw9900_init_regs[] = …; static const struct regval tw9900_pal_regs[] = …; static const struct regval tw9900_ntsc_regs[] = …; static const struct tw9900_mode supported_modes[] = …; static int tw9900_write_reg(struct i2c_client *client, u8 reg, u8 val) { … } static int tw9900_write_array(struct i2c_client *client, const struct regval *regs, int n_regs) { … } static int tw9900_read_reg(struct i2c_client *client, u8 reg) { … } static void tw9900_fill_fmt(const struct tw9900_mode *mode, struct v4l2_mbus_framefmt *fmt) { … } static int tw9900_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int tw9900_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int tw9900_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int tw9900_s_ctrl(struct v4l2_ctrl *ctrl) { … } static int tw9900_s_stream(struct v4l2_subdev *sd, int on) { … } static int tw9900_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh, struct v4l2_event_subscription *sub) { … } static int tw9900_s_std(struct v4l2_subdev *sd, v4l2_std_id std) { … } static int tw9900_get_stream_std(struct tw9900 *tw9900, v4l2_std_id *std) { … } static int tw9900_g_std(struct v4l2_subdev *sd, v4l2_std_id *std) { … } static int tw9900_start_autodetect(struct tw9900 *tw9900) { … } static int tw9900_detect_done(struct tw9900 *tw9900, bool *done) { … } static int tw9900_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) { … } static int tw9900_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *std) { … } static int tw9900_g_input_status(struct v4l2_subdev *sd, u32 *status) { … } static const struct v4l2_subdev_core_ops tw9900_core_ops = …; static const struct v4l2_subdev_video_ops tw9900_video_ops = …; static const struct v4l2_subdev_pad_ops tw9900_pad_ops = …; static const struct v4l2_subdev_ops tw9900_subdev_ops = …; static const struct v4l2_ctrl_ops tw9900_ctrl_ops = …; static int tw9900_check_id(struct tw9900 *tw9900, struct i2c_client *client) { … } static int tw9900_runtime_resume(struct device *dev) { … } static int tw9900_runtime_suspend(struct device *dev) { … } static int tw9900_probe(struct i2c_client *client) { … } static void tw9900_remove(struct i2c_client *client) { … } static const struct dev_pm_ops tw9900_pm_ops = …; static const struct i2c_device_id tw9900_id[] = …; MODULE_DEVICE_TABLE(i2c, tw9900_id); static const struct of_device_id tw9900_of_match[] = …; MODULE_DEVICE_TABLE(of, tw9900_of_match); static struct i2c_driver tw9900_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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