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From: "Lad Prabhakar" <prabhakar.mahadev-lad.rj@bp.renesas.com>
To: cip-dev@lists.cip-project.org,
	Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>,
	Pavel Machek <pavel@denx.de>
Cc: Biju Das <biju.das.jz@bp.renesas.com>
Subject: [cip-dev] [PATCH 4.19.y-cip 15/40] media: i2c: imx219: Add support for RAW8 bit bayer format
Date: Tue,  9 Mar 2021 16:36:31 +0000
Message-ID: <20210309163656.20944-16-prabhakar.mahadev-lad.rj@bp.renesas.com> (raw)
In-Reply-To: <20210309163656.20944-1-prabhakar.mahadev-lad.rj@bp.renesas.com>


[-- Attachment #1: Type: text/plain, Size: 9446 bytes --]

commit 22da1d56e982151e0bdfafe9de6fe94098a51356 upstream.

IMX219 sensor is capable for RAW8/RAW10 modes. This commit adds support
for RAW8 bayer format.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 drivers/media/i2c/imx219.c | 148 +++++++++++++++++++++++++++++--------
 1 file changed, 116 insertions(+), 32 deletions(-)

diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
index f1ae93569542..d94c94c38e75 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -169,15 +169,12 @@ static const struct imx219_reg mode_3280x2464_regs[] = {
 	{0x0171, 0x01},
 	{0x0174, 0x00},
 	{0x0175, 0x00},
-	{0x018c, 0x0a},
-	{0x018d, 0x0a},
 	{0x0301, 0x05},
 	{0x0303, 0x01},
 	{0x0304, 0x03},
 	{0x0305, 0x03},
 	{0x0306, 0x00},
 	{0x0307, 0x39},
-	{0x0309, 0x0a},
 	{0x030b, 0x01},
 	{0x030c, 0x00},
 	{0x030d, 0x72},
@@ -231,15 +228,12 @@ static const struct imx219_reg mode_1920_1080_regs[] = {
 	{0x0171, 0x01},
 	{0x0174, 0x00},
 	{0x0175, 0x00},
-	{0x018c, 0x0a},
-	{0x018d, 0x0a},
 	{0x0301, 0x05},
 	{0x0303, 0x01},
 	{0x0304, 0x03},
 	{0x0305, 0x03},
 	{0x0306, 0x00},
 	{0x0307, 0x39},
-	{0x0309, 0x0a},
 	{0x030b, 0x01},
 	{0x030c, 0x00},
 	{0x030d, 0x72},
@@ -291,15 +285,12 @@ static const struct imx219_reg mode_1640_1232_regs[] = {
 	{0x0171, 0x01},
 	{0x0174, 0x01},
 	{0x0175, 0x01},
-	{0x018c, 0x0a},
-	{0x018d, 0x0a},
 	{0x0301, 0x05},
 	{0x0303, 0x01},
 	{0x0304, 0x03},
 	{0x0305, 0x03},
 	{0x0306, 0x00},
 	{0x0307, 0x39},
-	{0x0309, 0x0a},
 	{0x030b, 0x01},
 	{0x030c, 0x00},
 	{0x030d, 0x72},
@@ -323,6 +314,18 @@ static const struct imx219_reg mode_1640_1232_regs[] = {
 	{0x0163, 0x78},
 };
 
+static const struct imx219_reg raw8_framefmt_regs[] = {
+	{0x018c, 0x08},
+	{0x018d, 0x08},
+	{0x0309, 0x08},
+};
+
+static const struct imx219_reg raw10_framefmt_regs[] = {
+	{0x018c, 0x0a},
+	{0x018d, 0x0a},
+	{0x0309, 0x0a},
+};
+
 static const char * const imx219_test_pattern_menu[] = {
 	"Disabled",
 	"Color Bars",
@@ -349,6 +352,27 @@ static const char * const imx219_supply_name[] = {
 
 #define IMX219_NUM_SUPPLIES ARRAY_SIZE(imx219_supply_name)
 
+/*
+ * The supported formats.
+ * This table MUST contain 4 entries per format, to cover the various flip
+ * combinations in the order
+ * - no flip
+ * - h flip
+ * - v flip
+ * - h&v flips
+ */
+static const u32 codes[] = {
+	MEDIA_BUS_FMT_SRGGB10_1X10,
+	MEDIA_BUS_FMT_SGRBG10_1X10,
+	MEDIA_BUS_FMT_SGBRG10_1X10,
+	MEDIA_BUS_FMT_SBGGR10_1X10,
+
+	MEDIA_BUS_FMT_SRGGB8_1X8,
+	MEDIA_BUS_FMT_SGRBG8_1X8,
+	MEDIA_BUS_FMT_SGBRG8_1X8,
+	MEDIA_BUS_FMT_SBGGR8_1X8,
+};
+
 /*
  * Initialisation delay between XCLR low->high and the moment when the sensor
  * can start capture (i.e. can leave software stanby) must be not less than:
@@ -414,6 +438,8 @@ struct imx219 {
 	struct v4l2_subdev sd;
 	struct media_pad pad;
 
+	struct v4l2_mbus_framefmt fmt;
+
 	struct clk *xclk; /* system clock to IMX219 */
 	u32 xclk_freq;
 
@@ -520,19 +546,40 @@ static int imx219_write_regs(struct imx219 *imx219,
 }
 
 /* Get bayer order based on flip setting. */
-static u32 imx219_get_format_code(struct imx219 *imx219)
+static u32 imx219_get_format_code(struct imx219 *imx219, u32 code)
 {
-	/*
-	 * Only one bayer order is supported.
-	 * It depends on the flip settings.
-	 */
-	static const u32 codes[2][2] = {
-		{ MEDIA_BUS_FMT_SRGGB10_1X10, MEDIA_BUS_FMT_SGRBG10_1X10, },
-		{ MEDIA_BUS_FMT_SGBRG10_1X10, MEDIA_BUS_FMT_SBGGR10_1X10, },
-	};
+	unsigned int i;
 
 	lockdep_assert_held(&imx219->mutex);
-	return codes[imx219->vflip->val][imx219->hflip->val];
+
+	for (i = 0; i < ARRAY_SIZE(codes); i++)
+		if (codes[i] == code)
+			break;
+
+	if (i >= ARRAY_SIZE(codes))
+		i = 0;
+
+	i = (i & ~3) | (imx219->vflip->val ? 2 : 0) |
+	    (imx219->hflip->val ? 1 : 0);
+
+	return codes[i];
+}
+
+static void imx219_set_default_format(struct imx219 *imx219)
+{
+	struct v4l2_mbus_framefmt *fmt;
+
+	fmt = &imx219->fmt;
+	fmt->code = MEDIA_BUS_FMT_SRGGB10_1X10;
+	fmt->colorspace = V4L2_COLORSPACE_SRGB;
+	fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace);
+	fmt->quantization = V4L2_MAP_QUANTIZATION_DEFAULT(true,
+							  fmt->colorspace,
+							  fmt->ycbcr_enc);
+	fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace);
+	fmt->width = supported_modes[0].width;
+	fmt->height = supported_modes[0].height;
+	fmt->field = V4L2_FIELD_NONE;
 }
 
 static int imx219_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
@@ -546,7 +593,8 @@ static int imx219_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
 	/* Initialize try_fmt */
 	try_fmt->width = supported_modes[0].width;
 	try_fmt->height = supported_modes[0].height;
-	try_fmt->code = imx219_get_format_code(imx219);
+	try_fmt->code = imx219_get_format_code(imx219,
+					       MEDIA_BUS_FMT_SRGGB10_1X10);
 	try_fmt->field = V4L2_FIELD_NONE;
 
 	mutex_unlock(&imx219->mutex);
@@ -649,14 +697,10 @@ static int imx219_enum_mbus_code(struct v4l2_subdev *sd,
 {
 	struct imx219 *imx219 = to_imx219(sd);
 
-	/*
-	 * Only one bayer order is supported (though it depends on the flip
-	 * settings)
-	 */
-	if (code->index > 0)
+	if (code->index >= (ARRAY_SIZE(codes) / 4))
 		return -EINVAL;
 
-	code->code = imx219_get_format_code(imx219);
+	code->code = imx219_get_format_code(imx219, codes[code->index * 4]);
 
 	return 0;
 }
@@ -670,7 +714,7 @@ static int imx219_enum_frame_size(struct v4l2_subdev *sd,
 	if (fse->index >= ARRAY_SIZE(supported_modes))
 		return -EINVAL;
 
-	if (fse->code != imx219_get_format_code(imx219))
+	if (fse->code != imx219_get_format_code(imx219, imx219->fmt.code))
 		return -EINVAL;
 
 	fse->min_width = supported_modes[fse->index].width;
@@ -697,9 +741,7 @@ static void imx219_update_pad_format(struct imx219 *imx219,
 {
 	fmt->format.width = mode->width;
 	fmt->format.height = mode->height;
-	fmt->format.code = imx219_get_format_code(imx219);
 	fmt->format.field = V4L2_FIELD_NONE;
-
 	imx219_reset_colorspace(&fmt->format);
 }
 
@@ -711,10 +753,12 @@ static int __imx219_get_pad_format(struct imx219 *imx219,
 		struct v4l2_mbus_framefmt *try_fmt =
 			v4l2_subdev_get_try_format(&imx219->sd, cfg, fmt->pad);
 		/* update the code which could change due to vflip or hflip: */
-		try_fmt->code = imx219_get_format_code(imx219);
+		try_fmt->code = imx219_get_format_code(imx219, try_fmt->code);
 		fmt->format = *try_fmt;
 	} else {
 		imx219_update_pad_format(imx219, imx219->mode, fmt);
+		fmt->format.code = imx219_get_format_code(imx219,
+							  imx219->fmt.code);
 	}
 
 	return 0;
@@ -742,11 +786,18 @@ static int imx219_set_pad_format(struct v4l2_subdev *sd,
 	const struct imx219_mode *mode;
 	struct v4l2_mbus_framefmt *framefmt;
 	int exposure_max, exposure_def, hblank;
+	unsigned int i;
 
 	mutex_lock(&imx219->mutex);
 
+	for (i = 0; i < ARRAY_SIZE(codes); i++)
+		if (codes[i] == fmt->format.code)
+			break;
+	if (i >= ARRAY_SIZE(codes))
+		i = 0;
+
 	/* Bayer order varies with flips */
-	fmt->format.code = imx219_get_format_code(imx219);
+	fmt->format.code = imx219_get_format_code(imx219, codes[i]);
 
 	mode = v4l2_find_nearest_size(supported_modes,
 				      ARRAY_SIZE(supported_modes),
@@ -756,7 +807,9 @@ static int imx219_set_pad_format(struct v4l2_subdev *sd,
 	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
 		framefmt = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
 		*framefmt = fmt->format;
-	} else if (imx219->mode != mode) {
+	} else if (imx219->mode != mode ||
+		   imx219->fmt.code != fmt->format.code) {
+		imx219->fmt = fmt->format;
 		imx219->mode = mode;
 		/* Update limits and set FPS to default */
 		__v4l2_ctrl_modify_range(imx219->vblank, IMX219_VBLANK_MIN,
@@ -787,6 +840,27 @@ static int imx219_set_pad_format(struct v4l2_subdev *sd,
 	return 0;
 }
 
+static int imx219_set_framefmt(struct imx219 *imx219)
+{
+	switch (imx219->fmt.code) {
+	case MEDIA_BUS_FMT_SRGGB8_1X8:
+	case MEDIA_BUS_FMT_SGRBG8_1X8:
+	case MEDIA_BUS_FMT_SGBRG8_1X8:
+	case MEDIA_BUS_FMT_SBGGR8_1X8:
+		return imx219_write_regs(imx219, raw8_framefmt_regs,
+					ARRAY_SIZE(raw8_framefmt_regs));
+
+	case MEDIA_BUS_FMT_SRGGB10_1X10:
+	case MEDIA_BUS_FMT_SGRBG10_1X10:
+	case MEDIA_BUS_FMT_SGBRG10_1X10:
+	case MEDIA_BUS_FMT_SBGGR10_1X10:
+		return imx219_write_regs(imx219, raw10_framefmt_regs,
+					ARRAY_SIZE(raw10_framefmt_regs));
+	}
+
+	return -EINVAL;
+}
+
 static int imx219_start_streaming(struct imx219 *imx219)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd);
@@ -801,6 +875,13 @@ static int imx219_start_streaming(struct imx219 *imx219)
 		return ret;
 	}
 
+	ret = imx219_set_framefmt(imx219);
+	if (ret) {
+		dev_err(&client->dev, "%s failed to set frame format: %d\n",
+			__func__, ret);
+		return ret;
+	}
+
 	/* Apply customized values from user */
 	ret =  __v4l2_ctrl_handler_setup(imx219->sd.ctrl_handler);
 	if (ret)
@@ -1253,6 +1334,9 @@ static int imx219_probe(struct i2c_client *client)
 	/* Initialize source pad */
 	imx219->pad.flags = MEDIA_PAD_FL_SOURCE;
 
+	/* Initialize default format */
+	imx219_set_default_format(imx219);
+
 	ret = media_entity_pads_init(&imx219->sd.entity, 1, &imx219->pad);
 	if (ret) {
 		dev_err(dev, "failed to init entity pads: %d\n", ret);
-- 
2.17.1


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  parent reply index

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-09 16:36 [cip-dev] [PATCH 4.19.y-cip 00/40] Renesas RZ/G2{E,H,M,N} add VIN, CSI2 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 01/40] media: ov5645: Remove unneeded regulator_set_voltage() Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 02/40] media: device property: Add a function to test is a fwnode is a graph endpoint Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 03/40] media: v4l2-async: Accept endpoints and devices for fwnode matching Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 04/40] media: v4l2-async: Pass notifier pointer to match functions Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 05/40] media: v4l2-async: Log message in case of heterogeneous fwnode match Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 06/40] media: v4l: ctrl: Provide unlocked variant of v4l2_ctrl_grab Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 07/40] media: rcar-vin: fix wrong return value in rvin_set_channel_routing() Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 08/40] media: rcar-csi2: Update V3M and E3 start procedure Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 09/40] media: rcar-vin: Invalidate pipeline if conversion is not possible on input formats Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 10/40] media: rcar-vin: Add support for MEDIA_BUS_FMT_SRGGB8_1X8 format Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 11/40] media: rcar-csi2: " Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 12/40] media: dt-bindings: media: i2c: Add IMX219 CMOS sensor binding Lad Prabhakar
2021-03-09 18:52   ` Pavel Machek
2021-03-10  8:48     ` Lad Prabhakar
2021-03-10  9:38       ` Pavel Machek
2021-03-10 10:24         ` Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 13/40] media: i2c: Add driver for Sony IMX219 sensor Lad Prabhakar
2021-03-09 20:36   ` Pavel Machek
2021-03-10  9:36     ` Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 14/40] media: i2c: imx219: Fix power sequence Lad Prabhakar
2021-03-09 19:42   ` Pavel Machek
2021-03-10  8:49     ` Lad Prabhakar
2021-03-09 16:36 ` Lad Prabhakar [this message]
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 16/40] media: i2c: imx219: Add support for cropped 640x480 resolution Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 17/40] media: i2c: imx219: Implement get_selection Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 18/40] media: i2c: imx219: Fix a bug in imx219_enum_frame_size Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 19/40] media: i2c: imx219: Selection compliance fixes Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 20/40] media: i2c: imx219: take lock in imx219_enum_mbus_code/frame_size Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 21/40] arm64: dts: renesas: r8a774c0-cat874: Add support for AISTARVISION MIPI Adapter V2.1 Lad Prabhakar
2021-03-09 20:39   ` Pavel Machek
2021-03-10  9:37     ` Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 22/40] media: dt-bindings: media: rcar_vin: Add r8a774a1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 23/40] media: rcar-vin: Enable support for r8a774a1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 24/40] media: dt-bindings: media: rcar-csi2: Add r8a774a1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 25/40] media: rcar-csi2: Enable support for r8a774a1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 26/40] arm64: dts: renesas: r8a774a1: Add VIN and CSI-2 nodes Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 27/40] media: dt-bindings: rcar-vin: Add R8A774B1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 28/40] media: rcar-vin: Enable support for R8A774B1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 29/40] media: dt-bindings: rcar-csi2: Add R8A774B1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 30/40] media: rcar-csi2: Enable support for R8A774B1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 31/40] arm64: dts: renesas: r8a774b1: Add VIN and CSI-2 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 32/40] media: dt-bindings: media: renesas,vin: Add R8A774E1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 33/40] media: rcar-vin: Enable support for R8A774E1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 34/40] media: dt-bindings: media: renesas,csi2: Add R8A774E1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 35/40] media: rcar-csi2: Enable support for R8A774E1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 36/40] arm64: dts: renesas: r8a774e1: Add VIN and CSI-2 nodes Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 37/40] arm64: dts: renesas: aistarvision-mipi-adapter-2.1: Add parent macro for each sensor Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 38/40] arm64: dts: renesas: Add support for MIPI Adapter V2.1 connected to HiHope RZ/G2H Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 39/40] arm64: dts: renesas: Add support for MIPI Adapter V2.1 connected to HiHope RZ/G2M Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 40/40] arm64: dts: renesas: Add support for MIPI Adapter V2.1 connected to HiHope RZ/G2N Lad Prabhakar
2021-03-09 20:48 ` [cip-dev] [PATCH 4.19.y-cip 00/40] Renesas RZ/G2{E,H,M,N} add VIN, CSI2 support Pavel Machek
2021-03-09 23:13 ` Pavel Machek
2021-03-10  8:07 ` Nobuhiro Iwamatsu
2021-03-10  9:41   ` Lad Prabhakar
2021-03-10 10:58   ` Chris Paterson
     [not found]   ` <166AF609ACF1E617.19014@lists.cip-project.org>
2021-03-22 22:11     ` Chris Paterson
2021-03-23  7:31       ` Nobuhiro Iwamatsu
2021-03-23  7:50         ` Chris Paterson

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    --in-reply-to=20210309163656.20944-16-prabhakar.mahadev-lad.rj@bp.renesas.com \
    --to=prabhakar.mahadev-lad.rj@bp.renesas.com \
    --cc=biju.das.jz@bp.renesas.com \
    --cc=cip-dev@lists.cip-project.org \
    --cc=nobuhiro1.iwamatsu@toshiba.co.jp \
    --cc=pavel@denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

CIP-dev Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/cip-dev/0 cip-dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 cip-dev cip-dev/ https://lore.kernel.org/cip-dev \
		cip-dev@lists.cip-project.org
	public-inbox-index cip-dev

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.cip-project.lists.cip-dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git