// SPDX-License-Identifier: GPL-2.0-only /* * Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina * * Copyright (C) 2008, Robert Jarzmik <[email protected]> */ #include <linux/clk.h> #include <linux/videodev2.h> #include <linux/slab.h> #include <linux/i2c.h> #include <linux/log2.h> #include <linux/delay.h> #include <linux/regulator/consumer.h> #include <linux/v4l2-mediabus.h> #include <linux/module.h> #include <linux/property.h> #include <media/v4l2-async.h> #include <media/v4l2-common.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-event.h> #include <media/v4l2-fwnode.h> /* * MT9M111, MT9M112 and MT9M131: * i2c address is 0x48 or 0x5d (depending on SADDR pin) * The platform has to define struct i2c_board_info objects and link to them * from struct soc_camera_host_desc */ /* * Sensor core register addresses (0x000..0x0ff) */ #define MT9M111_CHIP_VERSION … #define MT9M111_ROW_START … #define MT9M111_COLUMN_START … #define MT9M111_WINDOW_HEIGHT … #define MT9M111_WINDOW_WIDTH … #define MT9M111_HORIZONTAL_BLANKING_B … #define MT9M111_VERTICAL_BLANKING_B … #define MT9M111_HORIZONTAL_BLANKING_A … #define MT9M111_VERTICAL_BLANKING_A … #define MT9M111_SHUTTER_WIDTH … #define MT9M111_ROW_SPEED … #define MT9M111_EXTRA_DELAY … #define MT9M111_SHUTTER_DELAY … #define MT9M111_RESET … #define MT9M111_READ_MODE_B … #define MT9M111_READ_MODE_A … #define MT9M111_FLASH_CONTROL … #define MT9M111_GREEN1_GAIN … #define MT9M111_BLUE_GAIN … #define MT9M111_RED_GAIN … #define MT9M111_GREEN2_GAIN … #define MT9M111_GLOBAL_GAIN … #define MT9M111_CONTEXT_CONTROL … #define MT9M111_PAGE_MAP … #define MT9M111_BYTE_WISE_ADDR … #define MT9M111_RESET_SYNC_CHANGES … #define MT9M111_RESET_RESTART_BAD_FRAME … #define MT9M111_RESET_SHOW_BAD_FRAMES … #define MT9M111_RESET_RESET_SOC … #define MT9M111_RESET_OUTPUT_DISABLE … #define MT9M111_RESET_CHIP_ENABLE … #define MT9M111_RESET_ANALOG_STANDBY … #define MT9M111_RESET_RESTART_FRAME … #define MT9M111_RESET_RESET_MODE … #define MT9M111_RM_FULL_POWER_RD … #define MT9M111_RM_LOW_POWER_RD … #define MT9M111_RM_COL_SKIP_4X … #define MT9M111_RM_ROW_SKIP_4X … #define MT9M111_RM_COL_SKIP_2X … #define MT9M111_RM_ROW_SKIP_2X … #define MT9M111_RMB_MIRROR_COLS … #define MT9M111_RMB_MIRROR_ROWS … #define MT9M111_CTXT_CTRL_RESTART … #define MT9M111_CTXT_CTRL_DEFECTCOR_B … #define MT9M111_CTXT_CTRL_RESIZE_B … #define MT9M111_CTXT_CTRL_CTRL2_B … #define MT9M111_CTXT_CTRL_GAMMA_B … #define MT9M111_CTXT_CTRL_XENON_EN … #define MT9M111_CTXT_CTRL_READ_MODE_B … #define MT9M111_CTXT_CTRL_LED_FLASH_EN … #define MT9M111_CTXT_CTRL_VBLANK_SEL_B … #define MT9M111_CTXT_CTRL_HBLANK_SEL_B … /* * Colorpipe register addresses (0x100..0x1ff) */ #define MT9M111_OPER_MODE_CTRL … #define MT9M111_OUTPUT_FORMAT_CTRL … #define MT9M111_TPG_CTRL … #define MT9M111_REDUCER_XZOOM_B … #define MT9M111_REDUCER_XSIZE_B … #define MT9M111_REDUCER_YZOOM_B … #define MT9M111_REDUCER_YSIZE_B … #define MT9M111_REDUCER_XZOOM_A … #define MT9M111_REDUCER_XSIZE_A … #define MT9M111_REDUCER_YZOOM_A … #define MT9M111_REDUCER_YSIZE_A … #define MT9M111_EFFECTS_MODE … #define MT9M111_OUTPUT_FORMAT_CTRL2_A … #define MT9M111_OUTPUT_FORMAT_CTRL2_B … #define MT9M111_OPMODE_AUTOEXPO_EN … #define MT9M111_OPMODE_AUTOWHITEBAL_EN … #define MT9M111_OUTFMT_FLIP_BAYER_COL … #define MT9M111_OUTFMT_FLIP_BAYER_ROW … #define MT9M111_OUTFMT_PROCESSED_BAYER … #define MT9M111_OUTFMT_BYPASS_IFP … #define MT9M111_OUTFMT_INV_PIX_CLOCK … #define MT9M111_OUTFMT_RGB … #define MT9M111_OUTFMT_RGB565 … #define MT9M111_OUTFMT_RGB555 … #define MT9M111_OUTFMT_RGB444x … #define MT9M111_OUTFMT_RGBx444 … #define MT9M111_OUTFMT_TST_RAMP_OFF … #define MT9M111_OUTFMT_TST_RAMP_COL … #define MT9M111_OUTFMT_TST_RAMP_ROW … #define MT9M111_OUTFMT_TST_RAMP_FRAME … #define MT9M111_OUTFMT_SHIFT_3_UP … #define MT9M111_OUTFMT_AVG_CHROMA … #define MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN … #define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B … #define MT9M111_TPG_SEL_MASK … #define MT9M111_EFFECTS_MODE_MASK … #define MT9M111_RM_PWR_MASK … #define MT9M111_RM_SKIP2_MASK … /* * Camera control register addresses (0x200..0x2ff not implemented) */ #define reg_read(reg) … #define reg_write(reg, val) … #define reg_set(reg, val) … #define reg_clear(reg, val) … #define reg_mask(reg, val, mask) … #define MT9M111_MIN_DARK_ROWS … #define MT9M111_MIN_DARK_COLS … #define MT9M111_MAX_HEIGHT … #define MT9M111_MAX_WIDTH … struct mt9m111_context { … }; static struct mt9m111_context context_a = …; static struct mt9m111_context context_b = …; /* MT9M111 has only one fixed colorspace per pixelcode */ struct mt9m111_datafmt { … }; static const struct mt9m111_datafmt mt9m111_colour_fmts[] = …; enum mt9m111_mode_id { … }; struct mt9m111_mode_info { … }; struct mt9m111 { … }; static const struct mt9m111_mode_info mt9m111_mode_data[MT9M111_NUM_MODES] = …; /* Find a data format by a pixel code */ static const struct mt9m111_datafmt *mt9m111_find_datafmt(struct mt9m111 *mt9m111, u32 code) { … } static struct mt9m111 *to_mt9m111(const struct i2c_client *client) { … } static int reg_page_map_set(struct i2c_client *client, const u16 reg) { … } static int mt9m111_reg_read(struct i2c_client *client, const u16 reg) { … } static int mt9m111_reg_write(struct i2c_client *client, const u16 reg, const u16 data) { … } static int mt9m111_reg_set(struct i2c_client *client, const u16 reg, const u16 data) { … } static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg, const u16 data) { … } static int mt9m111_reg_mask(struct i2c_client *client, const u16 reg, const u16 data, const u16 mask) { … } static int mt9m111_set_context(struct mt9m111 *mt9m111, struct mt9m111_context *ctx) { … } static int mt9m111_setup_rect_ctx(struct mt9m111 *mt9m111, struct mt9m111_context *ctx, struct v4l2_rect *rect, unsigned int width, unsigned int height) { … } static int mt9m111_setup_geometry(struct mt9m111 *mt9m111, struct v4l2_rect *rect, int width, int height, u32 code) { … } static int mt9m111_enable(struct mt9m111 *mt9m111) { … } static int mt9m111_reset(struct mt9m111 *mt9m111) { … } static int mt9m111_set_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int mt9m111_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int mt9m111_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static int mt9m111_set_pixfmt(struct mt9m111 *mt9m111, u32 code) { … } static int mt9m111_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static const struct mt9m111_mode_info * mt9m111_find_mode(struct mt9m111 *mt9m111, unsigned int req_fps, unsigned int width, unsigned int height) { … } #ifdef CONFIG_VIDEO_ADV_DEBUG static int mt9m111_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { … } static int mt9m111_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { … } #endif static int mt9m111_set_flip(struct mt9m111 *mt9m111, int flip, int mask) { … } static int mt9m111_get_global_gain(struct mt9m111 *mt9m111) { … } static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain) { … } static int mt9m111_set_autoexposure(struct mt9m111 *mt9m111, int val) { … } static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on) { … } static const char * const mt9m111_test_pattern_menu[] = …; static int mt9m111_set_test_pattern(struct mt9m111 *mt9m111, int val) { … } static int mt9m111_set_colorfx(struct mt9m111 *mt9m111, int val) { … } static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl) { … } static int mt9m111_suspend(struct mt9m111 *mt9m111) { … } static void mt9m111_restore_state(struct mt9m111 *mt9m111) { … } static int mt9m111_resume(struct mt9m111 *mt9m111) { … } static int mt9m111_init(struct mt9m111 *mt9m111) { … } static int mt9m111_power_on(struct mt9m111 *mt9m111) { … } static void mt9m111_power_off(struct mt9m111 *mt9m111) { … } static int mt9m111_s_power(struct v4l2_subdev *sd, int on) { … } static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = …; static const struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = …; static int mt9m111_get_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *fi) { … } static int mt9m111_set_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *fi) { … } static int mt9m111_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int mt9m111_s_stream(struct v4l2_subdev *sd, int enable) { … } static int mt9m111_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state) { … } static int mt9m111_get_mbus_config(struct v4l2_subdev *sd, unsigned int pad, struct v4l2_mbus_config *cfg) { … } static const struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = …; static const struct v4l2_subdev_pad_ops mt9m111_subdev_pad_ops = …; static const struct v4l2_subdev_ops mt9m111_subdev_ops = …; static const struct v4l2_subdev_internal_ops mt9m111_internal_ops = …; /* * Interface active, can use i2c. If it fails, it can indeed mean, that * this wasn't our capture interface, so, we wait for the right one */ static int mt9m111_video_probe(struct i2c_client *client) { … } static int mt9m111_probe_fw(struct i2c_client *client, struct mt9m111 *mt9m111) { … } static int mt9m111_probe(struct i2c_client *client) { … } static void mt9m111_remove(struct i2c_client *client) { … } static const struct of_device_id mt9m111_of_match[] = …; MODULE_DEVICE_TABLE(of, mt9m111_of_match); static const struct i2c_device_id mt9m111_id[] = …; MODULE_DEVICE_TABLE(i2c, mt9m111_id); static struct i2c_driver mt9m111_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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