diff mbox series

[v7,18/28] media: sun6i-csi: Introduce format match structure, list and helper

Message ID 20221103163113.245462-19-paul.kocialkowski@bootlin.com (mailing list archive)
State New, archived
Headers show
Series Allwinner A31/A83T MIPI CSI-2 and A31 ISP / CSI Rework | expand

Commit Message

Paul Kocialkowski Nov. 3, 2022, 4:31 p.m. UTC 
Introduce a list of mbus/pixel format combinations that need an exact
match between the two sides. This is the case when using raw input
configuration. The list will be used to replace the
sun6i_csi_is_format_supported combinatory helper.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
 .../sunxi/sun6i-csi/sun6i_csi_capture.c       | 117 ++++++++++++++++++
 .../sunxi/sun6i-csi/sun6i_csi_capture.h       |   5 +
 2 files changed, 122 insertions(+)

Comments

Sakari Ailus Nov. 11, 2022, 10:18 a.m. UTC | #1 
Hi Paul,

On Thu, Nov 03, 2022 at 05:31:03PM +0100, Paul Kocialkowski wrote:
> Introduce a list of mbus/pixel format combinations that need an exact
> match between the two sides. This is the case when using raw input
> configuration. The list will be used to replace the
> sun6i_csi_is_format_supported combinatory helper.

This patch introduces an unused function which generates a compiler warning
that is now treated as an error.

I'll squash this to the following patch that uses the function. I think the
commit message will do as-is.

> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
> ---
>  .../sunxi/sun6i-csi/sun6i_csi_capture.c       | 117 ++++++++++++++++++
>  .../sunxi/sun6i-csi/sun6i_csi_capture.h       |   5 +
>  2 files changed, 122 insertions(+)
> 
> diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
> index 99b821d79357..7958419d3c6e 100644
> --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
> +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
> @@ -227,6 +227,123 @@ struct sun6i_csi_capture_format *sun6i_csi_capture_format_find(u32 pixelformat)
>  	return NULL;
>  }
>  
> +/* RAW formats need an exact match between pixel and mbus formats. */
> +static const
> +struct sun6i_csi_capture_format_match sun6i_csi_capture_format_matches[] = {
> +	/* YUV420 */
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_YUYV,
> +		.mbus_code	= MEDIA_BUS_FMT_YUYV8_2X8,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_YUYV,
> +		.mbus_code	= MEDIA_BUS_FMT_YUYV8_1X16,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_YVYU,
> +		.mbus_code	= MEDIA_BUS_FMT_YVYU8_2X8,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_YVYU,
> +		.mbus_code	= MEDIA_BUS_FMT_YVYU8_1X16,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_UYVY,
> +		.mbus_code	= MEDIA_BUS_FMT_UYVY8_2X8,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_UYVY,
> +		.mbus_code	= MEDIA_BUS_FMT_UYVY8_1X16,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_VYUY,
> +		.mbus_code	= MEDIA_BUS_FMT_VYUY8_2X8,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_VYUY,
> +		.mbus_code	= MEDIA_BUS_FMT_VYUY8_1X16,
> +	},
> +	/* RGB */
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_RGB565,
> +		.mbus_code	= MEDIA_BUS_FMT_RGB565_2X8_LE,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_RGB565X,
> +		.mbus_code	= MEDIA_BUS_FMT_RGB565_2X8_BE,
> +	},
> +	/* Bayer */
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SBGGR8,
> +		.mbus_code	= MEDIA_BUS_FMT_SBGGR8_1X8,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SGBRG8,
> +		.mbus_code	= MEDIA_BUS_FMT_SGBRG8_1X8,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SGRBG8,
> +		.mbus_code	= MEDIA_BUS_FMT_SGRBG8_1X8,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SRGGB8,
> +		.mbus_code	= MEDIA_BUS_FMT_SRGGB8_1X8,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SBGGR10,
> +		.mbus_code	= MEDIA_BUS_FMT_SBGGR10_1X10,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SGBRG10,
> +		.mbus_code	= MEDIA_BUS_FMT_SGBRG10_1X10,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SGRBG10,
> +		.mbus_code	= MEDIA_BUS_FMT_SGRBG10_1X10,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SRGGB10,
> +		.mbus_code	= MEDIA_BUS_FMT_SRGGB10_1X10,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SBGGR12,
> +		.mbus_code	= MEDIA_BUS_FMT_SBGGR12_1X12,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SGBRG12,
> +		.mbus_code	= MEDIA_BUS_FMT_SGBRG12_1X12,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SGRBG12,
> +		.mbus_code	= MEDIA_BUS_FMT_SGRBG12_1X12,
> +	},
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_SRGGB12,
> +		.mbus_code	= MEDIA_BUS_FMT_SRGGB12_1X12,
> +	},
> +	/* Compressed */
> +	{
> +		.pixelformat	= V4L2_PIX_FMT_JPEG,
> +		.mbus_code	= MEDIA_BUS_FMT_JPEG_1X8,
> +	},
> +};
> +
> +static bool sun6i_csi_capture_format_match(u32 pixelformat, u32 mbus_code)
> +{
> +	unsigned int i;
> +
> +	for (i = 0; i < ARRAY_SIZE(sun6i_csi_capture_format_matches); i++) {
> +		const struct sun6i_csi_capture_format_match *match =
> +			&sun6i_csi_capture_format_matches[i];
> +
> +		if (match->pixelformat == pixelformat &&
> +		    match->mbus_code == mbus_code)
> +			return true;
> +	}
> +
> +	return false;
> +}
> +
>  /* Capture */
>  
>  static void sun6i_csi_capture_irq_enable(struct sun6i_csi_device *csi_dev)
> diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h
> index 4b1ff19edc2f..2605b16f091c 100644
> --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h
> +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h
> @@ -27,6 +27,11 @@ struct sun6i_csi_capture_format {
>  	u32	hsize_len_factor;
>  };
>  
> +struct sun6i_csi_capture_format_match {
> +	u32	pixelformat;
> +	u32	mbus_code;
> +};
> +
>  #undef current
>  struct sun6i_csi_capture_state {
>  	struct list_head		queue;
Sakari Ailus Nov. 11, 2022, 10:21 a.m. UTC | #2 
On Fri, Nov 11, 2022 at 12:18:14PM +0200, Sakari Ailus wrote:
> Hi Paul,
> 
> On Thu, Nov 03, 2022 at 05:31:03PM +0100, Paul Kocialkowski wrote:
> > Introduce a list of mbus/pixel format combinations that need an exact
> > match between the two sides. This is the case when using raw input
> > configuration. The list will be used to replace the
> > sun6i_csi_is_format_supported combinatory helper.
> 
> This patch introduces an unused function which generates a compiler warning
> that is now treated as an error.
> 
> I'll squash this to the following patch that uses the function. I think the
> commit message will do as-is.

Ok, maybe the helper actually should be mentioned. I used this:

Rework the capture link validate implementation with actual logic that
reflects the possibilities of the device instead of the combinatory helper
functions, using the added match list helper
sun6i_csi_is_format_supported() when needed. Remove the previous dedicated
helper.
diff mbox series

Patch

diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
index 99b821d79357..7958419d3c6e 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
@@ -227,6 +227,123 @@  struct sun6i_csi_capture_format *sun6i_csi_capture_format_find(u32 pixelformat)
 	return NULL;
 }
 
+/* RAW formats need an exact match between pixel and mbus formats. */
+static const
+struct sun6i_csi_capture_format_match sun6i_csi_capture_format_matches[] = {
+	/* YUV420 */
+	{
+		.pixelformat	= V4L2_PIX_FMT_YUYV,
+		.mbus_code	= MEDIA_BUS_FMT_YUYV8_2X8,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_YUYV,
+		.mbus_code	= MEDIA_BUS_FMT_YUYV8_1X16,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_YVYU,
+		.mbus_code	= MEDIA_BUS_FMT_YVYU8_2X8,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_YVYU,
+		.mbus_code	= MEDIA_BUS_FMT_YVYU8_1X16,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_UYVY,
+		.mbus_code	= MEDIA_BUS_FMT_UYVY8_2X8,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_UYVY,
+		.mbus_code	= MEDIA_BUS_FMT_UYVY8_1X16,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_VYUY,
+		.mbus_code	= MEDIA_BUS_FMT_VYUY8_2X8,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_VYUY,
+		.mbus_code	= MEDIA_BUS_FMT_VYUY8_1X16,
+	},
+	/* RGB */
+	{
+		.pixelformat	= V4L2_PIX_FMT_RGB565,
+		.mbus_code	= MEDIA_BUS_FMT_RGB565_2X8_LE,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_RGB565X,
+		.mbus_code	= MEDIA_BUS_FMT_RGB565_2X8_BE,
+	},
+	/* Bayer */
+	{
+		.pixelformat	= V4L2_PIX_FMT_SBGGR8,
+		.mbus_code	= MEDIA_BUS_FMT_SBGGR8_1X8,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SGBRG8,
+		.mbus_code	= MEDIA_BUS_FMT_SGBRG8_1X8,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SGRBG8,
+		.mbus_code	= MEDIA_BUS_FMT_SGRBG8_1X8,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SRGGB8,
+		.mbus_code	= MEDIA_BUS_FMT_SRGGB8_1X8,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SBGGR10,
+		.mbus_code	= MEDIA_BUS_FMT_SBGGR10_1X10,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SGBRG10,
+		.mbus_code	= MEDIA_BUS_FMT_SGBRG10_1X10,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SGRBG10,
+		.mbus_code	= MEDIA_BUS_FMT_SGRBG10_1X10,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SRGGB10,
+		.mbus_code	= MEDIA_BUS_FMT_SRGGB10_1X10,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SBGGR12,
+		.mbus_code	= MEDIA_BUS_FMT_SBGGR12_1X12,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SGBRG12,
+		.mbus_code	= MEDIA_BUS_FMT_SGBRG12_1X12,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SGRBG12,
+		.mbus_code	= MEDIA_BUS_FMT_SGRBG12_1X12,
+	},
+	{
+		.pixelformat	= V4L2_PIX_FMT_SRGGB12,
+		.mbus_code	= MEDIA_BUS_FMT_SRGGB12_1X12,
+	},
+	/* Compressed */
+	{
+		.pixelformat	= V4L2_PIX_FMT_JPEG,
+		.mbus_code	= MEDIA_BUS_FMT_JPEG_1X8,
+	},
+};
+
+static bool sun6i_csi_capture_format_match(u32 pixelformat, u32 mbus_code)
+{
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(sun6i_csi_capture_format_matches); i++) {
+		const struct sun6i_csi_capture_format_match *match =
+			&sun6i_csi_capture_format_matches[i];
+
+		if (match->pixelformat == pixelformat &&
+		    match->mbus_code == mbus_code)
+			return true;
+	}
+
+	return false;
+}
+
 /* Capture */
 
 static void sun6i_csi_capture_irq_enable(struct sun6i_csi_device *csi_dev)
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h
index 4b1ff19edc2f..2605b16f091c 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h
@@ -27,6 +27,11 @@  struct sun6i_csi_capture_format {
 	u32	hsize_len_factor;
 };
 
+struct sun6i_csi_capture_format_match {
+	u32	pixelformat;
+	u32	mbus_code;
+};
+
 #undef current
 struct sun6i_csi_capture_state {
 	struct list_head		queue;