bcm27xx: import latest patches from the RPi foundation

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 319 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0648-media-i2c-imx219-Add-support-for-RAW8-bit-bayer-form.patch b/target/linux/bcm27xx/patches-5.4/950-0648-media-i2c-imx219-Add-support-for-RAW8-bit-bayer-form.patch
new file mode 100644
index 0000000000..552516bd67
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0648-media-i2c-imx219-Add-support-for-RAW8-bit-bayer-form.patch
@@ -0,0 +1,319 @@
+From 1f00b84d993e1f8de17ef936e00f4264266cb5d1 Mon Sep 17 00:00:00 2001
+From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
+Date: Tue, 10 Mar 2020 14:17:08 +0100
+Subject: [PATCH] media: i2c: imx219: Add support for RAW8 bit bayer
+ format
+
+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>
+---
+ drivers/media/i2c/imx219.c | 148 +++++++++++++++++++++++++++++--------
+ 1 file changed, 116 insertions(+), 32 deletions(-)
+
+--- a/drivers/media/i2c/imx219.c
++++ b/drivers/media/i2c/imx219.c
+@@ -168,15 +168,12 @@ static const struct imx219_reg mode_3280
+ 	{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},
+@@ -230,15 +227,12 @@ static const struct imx219_reg mode_1920
+ 	{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},
+@@ -290,15 +284,12 @@ static const struct imx219_reg mode_1640
+ 	{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},
+@@ -322,6 +313,18 @@ static const struct imx219_reg mode_1640
+ 	{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_
+ #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:
+  *   t4 + max(t5, t6 + <time to initialize the sensor register over I2C>)
+@@ -413,6 +437,8 @@ 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;
+ 
+@@ -519,19 +545,40 @@ static int imx219_write_regs(struct imx2
+ }
+ 
+ /* 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)
+@@ -545,7 +592,8 @@ static int imx219_open(struct v4l2_subde
+ 	/* 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);
+@@ -648,14 +696,10 @@ static int imx219_enum_mbus_code(struct
+ {
+ 	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;
+ }
+@@ -669,7 +713,7 @@ static int imx219_enum_frame_size(struct
+ 	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;
+@@ -696,9 +740,7 @@ static void imx219_update_pad_format(str
+ {
+ 	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);
+ }
+ 
+@@ -710,10 +752,12 @@ static int __imx219_get_pad_format(struc
+ 		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;
+@@ -741,11 +785,18 @@ static int imx219_set_pad_format(struct
+ 	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),
+@@ -755,7 +806,9 @@ static int imx219_set_pad_format(struct
+ 	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,
+@@ -786,6 +839,27 @@ static int imx219_set_pad_format(struct
+ 	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);
+@@ -800,6 +874,13 @@ static int imx219_start_streaming(struct
+ 		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_clien
+ 	/* 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);