media: i2c: imx334: support lower bandwidth mode (7462df58) · Commits · EulixOS / Software / Kernel

drivers/media/i2c/imx334.c

+269 −27

Original line number	Diff line number	Diff line
		@@ -79,7 +79,6 @@ struct imx334_reg_list {
		* struct imx334_mode - imx334 sensor mode structure
		* @width: Frame width
		* @height: Frame height
		* @code: Format code
		* @hblank: Horizontal blanking in lines
		* @vblank: Vertical blanking in lines
		* @vblank_min: Minimal vertical blanking in lines
		@@ -91,7 +90,6 @@ struct imx334_reg_list {
		struct imx334_mode {
		u32 width;
		u32 height;
		u32 code;
		u32 hblank;
		u32 vblank;
		u32 vblank_min;
		@@ -119,6 +117,7 @@ struct imx334_mode {
		* @vblank: Vertical blanking in lines
		* @cur_mode: Pointer to current selected sensor mode
		* @mutex: Mutex for serializing sensor controls
		* @cur_code: current selected format code
		* @streaming: Flag indicating streaming state
		*/
		struct imx334 {
		@@ -140,6 +139,7 @@ struct imx334 {
		u32 vblank;
		const struct imx334_mode *cur_mode;
		struct mutex mutex;
		u32 cur_code;
		bool streaming;
		};

		@@ -147,7 +147,170 @@ static const s64 link_freq[] = {
		IMX334_LINK_FREQ,
		};

		/* Sensor mode registers */
		/* Sensor mode registers for 1920x1080@30fps */
		static const struct imx334_reg mode_1920x1080_regs[] = {
		{0x3000, 0x01},
		{0x3018, 0x04},
		{0x3030, 0xca},
		{0x3031, 0x08},
		{0x3032, 0x00},
		{0x3034, 0x4c},
		{0x3035, 0x04},
		{0x302c, 0xf0},
		{0x302d, 0x03},
		{0x302e, 0x80},
		{0x302f, 0x07},
		{0x3074, 0xcc},
		{0x3075, 0x02},
		{0x308e, 0xcd},
		{0x308f, 0x02},
		{0x3076, 0x38},
		{0x3077, 0x04},
		{0x3090, 0x38},
		{0x3091, 0x04},
		{0x3308, 0x38},
		{0x3309, 0x04},
		{0x30C6, 0x00},
		{0x30c7, 0x00},
		{0x30ce, 0x00},
		{0x30cf, 0x00},
		{0x30d8, 0x18},
		{0x30d9, 0x0a},
		{0x304c, 0x00},
		{0x304e, 0x00},
		{0x304f, 0x00},
		{0x3050, 0x00},
		{0x30b6, 0x00},
		{0x30b7, 0x00},
		{0x3116, 0x08},
		{0x3117, 0x00},
		{0x31a0, 0x20},
		{0x31a1, 0x0f},
		{0x300c, 0x3b},
		{0x300d, 0x29},
		{0x314c, 0x29},
		{0x314d, 0x01},
		{0x315a, 0x06},
		{0x3168, 0xa0},
		{0x316a, 0x7e},
		{0x319e, 0x02},
		{0x3199, 0x00},
		{0x319d, 0x00},
		{0x31dd, 0x03},
		{0x3300, 0x00},
		{0x341c, 0xff},
		{0x341d, 0x01},
		{0x3a01, 0x03},
		{0x3a18, 0x7f},
		{0x3a19, 0x00},
		{0x3a1a, 0x37},
		{0x3a1b, 0x00},
		{0x3a1c, 0x37},
		{0x3a1d, 0x00},
		{0x3a1e, 0xf7},
		{0x3a1f, 0x00},
		{0x3a20, 0x3f},
		{0x3a21, 0x00},
		{0x3a20, 0x6f},
		{0x3a21, 0x00},
		{0x3a20, 0x3f},
		{0x3a21, 0x00},
		{0x3a20, 0x5f},
		{0x3a21, 0x00},
		{0x3a20, 0x2f},
		{0x3a21, 0x00},
		{0x3078, 0x02},
		{0x3079, 0x00},
		{0x307a, 0x00},
		{0x307b, 0x00},
		{0x3080, 0x02},
		{0x3081, 0x00},
		{0x3082, 0x00},
		{0x3083, 0x00},
		{0x3088, 0x02},
		{0x3094, 0x00},
		{0x3095, 0x00},
		{0x3096, 0x00},
		{0x309b, 0x02},
		{0x309c, 0x00},
		{0x309d, 0x00},
		{0x309e, 0x00},
		{0x30a4, 0x00},
		{0x30a5, 0x00},
		{0x3288, 0x21},
		{0x328a, 0x02},
		{0x3414, 0x05},
		{0x3416, 0x18},
		{0x35Ac, 0x0e},
		{0x3648, 0x01},
		{0x364a, 0x04},
		{0x364c, 0x04},
		{0x3678, 0x01},
		{0x367c, 0x31},
		{0x367e, 0x31},
		{0x3708, 0x02},
		{0x3714, 0x01},
		{0x3715, 0x02},
		{0x3716, 0x02},
		{0x3717, 0x02},
		{0x371c, 0x3d},
		{0x371d, 0x3f},
		{0x372c, 0x00},
		{0x372d, 0x00},
		{0x372e, 0x46},
		{0x372f, 0x00},
		{0x3730, 0x89},
		{0x3731, 0x00},
		{0x3732, 0x08},
		{0x3733, 0x01},
		{0x3734, 0xfe},
		{0x3735, 0x05},
		{0x375d, 0x00},
		{0x375e, 0x00},
		{0x375f, 0x61},
		{0x3760, 0x06},
		{0x3768, 0x1b},
		{0x3769, 0x1b},
		{0x376a, 0x1a},
		{0x376b, 0x19},
		{0x376c, 0x18},
		{0x376d, 0x14},
		{0x376e, 0x0f},
		{0x3776, 0x00},
		{0x3777, 0x00},
		{0x3778, 0x46},
		{0x3779, 0x00},
		{0x377a, 0x08},
		{0x377b, 0x01},
		{0x377c, 0x45},
		{0x377d, 0x01},
		{0x377e, 0x23},
		{0x377f, 0x02},
		{0x3780, 0xd9},
		{0x3781, 0x03},
		{0x3782, 0xf5},
		{0x3783, 0x06},
		{0x3784, 0xa5},
		{0x3788, 0x0f},
		{0x378a, 0xd9},
		{0x378b, 0x03},
		{0x378c, 0xeb},
		{0x378d, 0x05},
		{0x378e, 0x87},
		{0x378f, 0x06},
		{0x3790, 0xf5},
		{0x3792, 0x43},
		{0x3794, 0x7a},
		{0x3796, 0xa1},
		{0x37b0, 0x37},
		{0x3e04, 0x0e},
		{0x30e8, 0x50},
		{0x30e9, 0x00},
		{0x3e04, 0x0e},
		{0x3002, 0x00},
		};

		/* Sensor mode registers for 3840x2160@30fps */
		static const struct imx334_reg mode_3840x2160_regs[] = {
		{0x3000, 0x01},
		{0x3002, 0x00},
		@@ -263,8 +426,28 @@ static const struct imx334_reg mode_3840x2160_regs[] = {
		{0x3a29, 0x00},
		};

		static const struct imx334_reg raw10_framefmt_regs[] = {
		{0x3050, 0x00},
		{0x319d, 0x00},
		{0x341c, 0xff},
		{0x341d, 0x01},
		};

		static const struct imx334_reg raw12_framefmt_regs[] = {
		{0x3050, 0x01},
		{0x319d, 0x01},
		{0x341c, 0x47},
		{0x341d, 0x00},
		};

		static const u32 imx334_mbus_codes[] = {
		MEDIA_BUS_FMT_SRGGB12_1X12,
		MEDIA_BUS_FMT_SRGGB10_1X10,
		};

		/* Supported sensor mode configurations */
		static const struct imx334_mode supported_mode = {
		static const struct imx334_mode supported_modes[] = {
		{
		.width = 3840,
		.height = 2160,
		.hblank = 560,
		@@ -273,11 +456,24 @@ static const struct imx334_mode supported_mode = {
		.vblank_max = 132840,
		.pclk = 594000000,
		.link_freq_idx = 0,
		.code = MEDIA_BUS_FMT_SRGGB12_1X12,
		.reg_list = {
		.num_of_regs = ARRAY_SIZE(mode_3840x2160_regs),
		.regs = mode_3840x2160_regs,
		},
		}, {
		.width = 1920,
		.height = 1080,
		.hblank = 2480,
		.vblank = 1170,
		.vblank_min = 45,
		.vblank_max = 132840,
		.pclk = 297000000,
		.link_freq_idx = 0,
		.reg_list = {
		.num_of_regs = ARRAY_SIZE(mode_1920x1080_regs),
		.regs = mode_1920x1080_regs,
		},
		},
		};

		/**
		@@ -518,6 +714,18 @@ static const struct v4l2_ctrl_ops imx334_ctrl_ops = {
		.s_ctrl = imx334_set_ctrl,
		};

		static int imx334_get_format_code(struct imx334 *imx334, u32 code)
		{
		unsigned int i;

		for (i = 0; i < ARRAY_SIZE(imx334_mbus_codes); i++) {
		if (imx334_mbus_codes[i] == code)
		return imx334_mbus_codes[i];
		}

		return imx334_mbus_codes[0];
		}

		/**
		* imx334_enum_mbus_code() - Enumerate V4L2 sub-device mbus codes
		* @sd: pointer to imx334 V4L2 sub-device structure
		@@ -530,10 +738,10 @@ static int imx334_enum_mbus_code(struct v4l2_subdev *sd,
		struct v4l2_subdev_state *sd_state,
		struct v4l2_subdev_mbus_code_enum *code)
		{
		if (code->index > 0)
		if (code->index >= ARRAY_SIZE(imx334_mbus_codes))
		return -EINVAL;

		code->code = supported_mode.code;
		code->code = imx334_mbus_codes[code->index];

		return 0;
		}
		@@ -550,15 +758,20 @@ static int imx334_enum_frame_size(struct v4l2_subdev *sd,
		struct v4l2_subdev_state *sd_state,
		struct v4l2_subdev_frame_size_enum *fsize)
		{
		if (fsize->index > 0)
		struct imx334 *imx334 = to_imx334(sd);
		u32 code;

		if (fsize->index >= ARRAY_SIZE(supported_modes))
		return -EINVAL;

		if (fsize->code != supported_mode.code)
		code = imx334_get_format_code(imx334, fsize->code);

		if (fsize->code != code)
		return -EINVAL;

		fsize->min_width = supported_mode.width;
		fsize->min_width = supported_modes[fsize->index].width;
		fsize->max_width = fsize->min_width;
		fsize->min_height = supported_mode.height;
		fsize->min_height = supported_modes[fsize->index].height;
		fsize->max_height = fsize->min_height;

		return 0;
		@@ -577,7 +790,6 @@ static void imx334_fill_pad_format(struct imx334 *imx334,
		{
		fmt->format.width = mode->width;
		fmt->format.height = mode->height;
		fmt->format.code = mode->code;
		fmt->format.field = V4L2_FIELD_NONE;
		fmt->format.colorspace = V4L2_COLORSPACE_RAW;
		fmt->format.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
		@@ -607,6 +819,7 @@ static int imx334_get_pad_format(struct v4l2_subdev *sd,
		framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
		fmt->format = *framefmt;
		} else {
		fmt->format.code = imx334->cur_code;
		imx334_fill_pad_format(imx334, imx334->cur_mode, fmt);
		}

		@@ -633,15 +846,21 @@ static int imx334_set_pad_format(struct v4l2_subdev *sd,

		mutex_lock(&imx334->mutex);

		mode = &supported_mode;
		mode = v4l2_find_nearest_size(supported_modes,
		ARRAY_SIZE(supported_modes),
		width, height,
		fmt->format.width, fmt->format.height);

		imx334_fill_pad_format(imx334, mode, fmt);
		fmt->format.code = imx334_get_format_code(imx334, fmt->format.code);

		if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
		struct v4l2_mbus_framefmt *framefmt;

		framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
		*framefmt = fmt->format;
		} else {
		} else if (imx334->cur_mode != mode \|\| imx334->cur_code != fmt->format.code) {
		imx334->cur_code = fmt->format.code;
		ret = imx334_update_controls(imx334, mode);
		if (!ret)
		imx334->cur_mode = mode;
		@@ -666,11 +885,26 @@ static int imx334_init_pad_cfg(struct v4l2_subdev *sd,
		struct v4l2_subdev_format fmt = { 0 };

		fmt.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE;
		imx334_fill_pad_format(imx334, &supported_mode, &fmt);
		imx334_fill_pad_format(imx334, &supported_modes[0], &fmt);

		return imx334_set_pad_format(sd, sd_state, &fmt);
		}

		static int imx334_set_framefmt(struct imx334 *imx334)
		{
		switch (imx334->cur_code) {
		case MEDIA_BUS_FMT_SRGGB10_1X10:
		return imx334_write_regs(imx334, raw10_framefmt_regs,
		ARRAY_SIZE(raw10_framefmt_regs));

		case MEDIA_BUS_FMT_SRGGB12_1X12:
		return imx334_write_regs(imx334, raw12_framefmt_regs,
		ARRAY_SIZE(raw12_framefmt_regs));
		}

		return -EINVAL;
		}

		/**
		* imx334_start_streaming() - Start sensor stream
		* @imx334: pointer to imx334 device
		@@ -691,6 +925,13 @@ static int imx334_start_streaming(struct imx334 *imx334)
		return ret;
		}

		ret = imx334_set_framefmt(imx334);
		if (ret) {
		dev_err(imx334->dev, "%s failed to set frame format: %d\n",
		__func__, ret);
		return ret;
		}

		/* Setup handler will write actual exposure and gain */
		ret = __v4l2_ctrl_handler_setup(imx334->sd.ctrl_handler);
		if (ret) {
		@@ -1061,7 +1302,8 @@ static int imx334_probe(struct i2c_client *client)
		}

		/* Set default mode to max resolution */
		imx334->cur_mode = &supported_mode;
		imx334->cur_mode = &supported_modes[0];
		imx334->cur_code = imx334_mbus_codes[0];
		imx334->vblank = imx334->cur_mode->vblank;

		ret = imx334_init_controls(imx334);