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From: Paul Elder <paul.elder@ideasonboard.com>
To: linux-media@vger.kernel.org
Cc: Paul Elder <paul.elder@ideasonboard.com>,
	Dafna Hirschfeld <dafna@fastmail.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Heiko Stuebner <heiko@sntech.de>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2 3/3] media: rkisp1: Implement ENUM_FRAMESIZES
Date: Thu, 17 Nov 2022 17:42:17 +0900	[thread overview]
Message-ID: <20221117084217.3892680-4-paul.elder@ideasonboard.com> (raw)
In-Reply-To: <20221117084217.3892680-1-paul.elder@ideasonboard.com>

Implement VIDIOC_ENUM_FRAMESIZES for the rkisp1 capture devices.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 .../platform/rockchip/rkisp1/rkisp1-capture.c | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
index 91e685fdbbe9..03c2922bfbed 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
@@ -1236,6 +1236,35 @@ static int rkisp1_enum_fmt_vid_cap_mplane(struct file *file, void *priv,
 	return -EINVAL;
 }
 
+static int rkisp1_enum_framesizes(struct file *file, void *fh,
+				  struct v4l2_frmsizeenum *fsize)
+{
+	static const unsigned int max_widths[] = {
+		RKISP1_RSZ_MP_SRC_MAX_WIDTH,
+		RKISP1_RSZ_SP_SRC_MAX_WIDTH,
+	};
+	static const unsigned int max_heights[] = {
+		RKISP1_RSZ_MP_SRC_MAX_HEIGHT,
+		RKISP1_RSZ_SP_SRC_MAX_HEIGHT,
+	};
+	struct rkisp1_capture *cap = video_drvdata(file);
+
+	if (fsize->index != 0)
+		return -EINVAL;
+
+	fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+
+	fsize->stepwise.min_width = RKISP1_RSZ_SRC_MIN_WIDTH;
+	fsize->stepwise.max_width = max_widths[cap->id];
+	fsize->stepwise.step_width = 2;
+
+	fsize->stepwise.min_height = RKISP1_RSZ_SRC_MIN_HEIGHT;
+	fsize->stepwise.max_height = max_heights[cap->id];
+	fsize->stepwise.step_height = 2;
+
+	return 0;
+}
+
 static int rkisp1_s_fmt_vid_cap_mplane(struct file *file,
 				       void *priv, struct v4l2_format *f)
 {
@@ -1285,6 +1314,7 @@ static const struct v4l2_ioctl_ops rkisp1_v4l2_ioctl_ops = {
 	.vidioc_s_fmt_vid_cap_mplane = rkisp1_s_fmt_vid_cap_mplane,
 	.vidioc_g_fmt_vid_cap_mplane = rkisp1_g_fmt_vid_cap_mplane,
 	.vidioc_enum_fmt_vid_cap = rkisp1_enum_fmt_vid_cap_mplane,
+	.vidioc_enum_framesizes = rkisp1_enum_framesizes,
 	.vidioc_querycap = rkisp1_querycap,
 	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
 	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-- 
2.35.1


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  parent reply	other threads:[~2022-11-17  8:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-17  8:42 [PATCH v2 0/3] media: rkisp1: Miscellaneous improvements Paul Elder
2022-11-17  8:42 ` [PATCH v2 1/3] media: rkisp1: Add NV16M and NV61M to output formats Paul Elder
2022-11-19 10:59   ` Dafna Hirschfeld
2022-11-17  8:42 ` [PATCH v2 2/3] media: rkisp1: Make local immutable array variables static const Paul Elder
2022-11-19 22:28   ` Laurent Pinchart
2023-01-26 23:28     ` Laurent Pinchart
2023-03-24 10:37       ` Jacopo Mondi
2023-03-25 19:24         ` Laurent Pinchart
2022-11-17  8:42 ` Paul Elder [this message]
2022-11-19 10:57   ` [PATCH v2 3/3] media: rkisp1: Implement ENUM_FRAMESIZES Dafna Hirschfeld
2023-02-21 13:57 ` [PATCH v2 0/3] media: rkisp1: Miscellaneous improvements Jacopo Mondi
2023-03-25 20:00   ` Laurent Pinchart

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