linux-kernel - [PATCH 10/16] media: vimc: cap: Add multiplanar default format

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Message-Id: <20190315164359.626-11-andrealmeid@collabora.com>
Date:   Fri, 15 Mar 2019 13:43:53 -0300
From:   André Almeida <andrealmeid@...labora.com>
To:     linux-media@...r.kernel.org
Cc:     mchehab@...nel.org, hverkuil@...all.nl, helen.koike@...labora.com,
        lucmaga@...il.com, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: [PATCH 10/16] media: vimc: cap: Add multiplanar default format

vimc already have a default single planar default format.
Add a multiplanar default pixel format to perfom those
same actions.

Signed-off-by: André Almeida <andrealmeid@...labora.com>
---
 drivers/media/platform/vimc/vimc-capture.c | 31 +++++++++++++++++-----
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c
index 2d668012e9e9..24052f15c4cf 100644
--- a/drivers/media/platform/vimc/vimc-capture.c
+++ b/drivers/media/platform/vimc/vimc-capture.c
@@ -96,6 +96,15 @@ static const struct v4l2_format fmt_default = {
 	.fmt.pix.colorspace = V4L2_COLORSPACE_DEFAULT,
 };
 
+static const struct v4l2_format fmt_default_mp = {
+	.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+	.fmt.pix_mp.width = 640,
+	.fmt.pix_mp.height = 480,
+	.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_YVU420M,
+	.fmt.pix_mp.field = V4L2_FIELD_NONE,
+	.fmt.pix_mp.colorspace = V4L2_COLORSPACE_DEFAULT,
+};
+
 struct vimc_cap_buffer {
 	/*
 	 * struct vb2_v4l2_buffer must be the first element
@@ -160,7 +169,9 @@ static int vimc_cap_try_fmt_vid_cap(struct file *file, void *priv,
 
 	/* Don't accept a pixelformat that is not on the table */
 	if (!v4l2_format_info(format->pixelformat))
-		format->pixelformat = fmt_default.fmt.pix.pixelformat;
+		format->pixelformat = multiplanar ?
+				fmt_default_mp.fmt.pix_mp.pixelformat :
+				fmt_default.fmt.pix.pixelformat;
 
 	return v4l2_fill_pixfmt_mp(format, format->pixelformat,
 				format->width, format->height);
@@ -627,11 +638,19 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
 	spin_lock_init(&vcap->qlock);
 
 	/* Set default frame format */
-	vcap->format = fmt_default;
-	v4l2_fill_pixfmt(&vcap->format.fmt.pix,
-			 vcap->format.fmt.pix.pixelformat,
-			 vcap->format.fmt.pix.width,
-			 vcap->format.fmt.pix.height);
+	if (multiplanar) {
+		vcap->format = fmt_default_mp;
+		v4l2_fill_pixfmt_mp(&vcap->format.fmt.pix_mp,
+				vcap->format.fmt.pix_mp.pixelformat,
+				vcap->format.fmt.pix_mp.width,
+				vcap->format.fmt.pix_mp.height);
+	} else {
+		vcap->format = fmt_default;
+		v4l2_fill_pixfmt(&vcap->format.fmt.pix,
+				vcap->format.fmt.pix.pixelformat,
+				vcap->format.fmt.pix.width,
+				vcap->format.fmt.pix.height);
+	}
 
 	/* Fill the vimc_ent_device struct */
 	vcap->ved.ent = &vcap->vdev.entity;
-- 
2.21.0