From: Stu Hsieh <stu.hsieh@mediatek.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Herring <robh+dt@kernel.org>, CK Hu <ck.hu@mediatek.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Stu Hsieh <stu.hsieh@mediatek.com>, <linux-media@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<srv_heupstream@mediatek.com>
Subject: [PATCH v3 05/13] [media] mtk-mipicsi: get the w/h/bytepwerline for mtk_mipicsi
Date: Tue, 14 May 2019 14:13:42 +0800 [thread overview]
Message-ID: <1557814430-9675-6-git-send-email-stu.hsieh@mediatek.com> (raw)
In-Reply-To: <1557814430-9675-1-git-send-email-stu.hsieh@mediatek.com>
This patch get the w/h/bytepwerline to save in mtk_mipicsi.
Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
---
.../media/platform/mtk-mipicsi/mtk_mipicsi.c | 41 +++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
index 9c65b96456c4..920848e965e3 100644
--- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
+++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
@@ -132,6 +132,9 @@ struct mtk_mipicsi_dev {
u32 id;
int clk_num;
struct clk *clk[MIPICSI_CLK];
+ u32 width;
+ u32 height;
+ u32 bytesperline;
};
#define MTK_MIPICSI_BUS_PARAM (V4L2_MBUS_MASTER | \
@@ -143,13 +146,36 @@ struct mtk_mipicsi_dev {
V4L2_MBUS_PCLK_SAMPLE_FALLING | \
V4L2_MBUS_DATA_ACTIVE_HIGH)
+static u32 get_bytesperline(const u32 fmt, const u32 width)
+{
+ u32 bytesperline = 0;
+
+ switch (fmt) {
+ case MEDIA_BUS_FMT_UYVY8_2X8:
+ case MEDIA_BUS_FMT_VYUY8_2X8:
+ case MEDIA_BUS_FMT_YUYV8_2X8:
+ case MEDIA_BUS_FMT_YVYU8_2X8:
+ bytesperline = width * 2U;
+ break;
+ default:
+ break;
+ }
+
+ return bytesperline;
+}
+
static int mtk_mipicsi_add_device(struct soc_camera_device *icd)
{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
+ struct mtk_mipicsi_dev *mipicsi = ici->priv;
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
struct v4l2_subdev_format format = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
};
int ret;
+ u32 width;
+ u32 height;
+ u32 fmt;
/* Get width/height info from subdev. Then use them to set register */
ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &format);
@@ -158,6 +184,21 @@ static int mtk_mipicsi_add_device(struct soc_camera_device *icd)
return ret;
}
+ width = format.format.width;
+ height = format.format.height;
+ fmt = format.format.code;
+ mipicsi->bytesperline = get_bytesperline(fmt, width);
+ if ((width == 0U) || (width > MAX_SUPPORT_WIDTH) ||
+ (height == 0U) || (height > MAX_SUPPORT_HEIGHT) ||
+ (mipicsi->bytesperline == 0U)) {
+ dev_err(icd->parent, "invalid sub device width/height/bytesperline %d/%d/%d\n",
+ width, height, mipicsi->bytesperline);
+ return -EINVAL;
+ }
+
+ mipicsi->width = width;
+ mipicsi->height = height;
+
/*
* If power domain was closed before, it will be open.
* Then clock will be open and register will be set
--
2.18.0
next prev parent reply other threads:[~2019-05-14 6:15 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-14 6:13 [PATCH v3 00/13] Add mediatek mipicsi driver for Mediatek SOC MT2712 Stu Hsieh
2019-05-14 6:13 ` [PATCH v3 01/13] dt-bindings: media: Add binding for MT2712 MIPI-CSI2 Stu Hsieh
2019-05-14 19:28 ` Rob Herring
2019-05-14 6:13 ` [PATCH v3 02/13] [media] mtk-mipicsi: add mediatek mipicsi driver for mt2712 Stu Hsieh
2019-05-17 7:37 ` CK Hu
2019-05-14 6:13 ` [PATCH v3 03/13] [media] mtk-mipicsi: register the soc_camera host Stu Hsieh
2019-05-14 6:13 ` [PATCH v3 04/13] [media] mtk-mipicsi: add the check for non-supported color format Stu Hsieh
2019-05-14 6:13 ` Stu Hsieh [this message]
2019-05-14 6:13 ` [PATCH v3 06/13] [media] mtk-mipicsi: add function to support SerDes for link number Stu Hsieh
2019-05-14 6:13 ` [PATCH v3 07/13] [media] mtk-mipicsi: enable/disable ana clk Stu Hsieh
2019-05-14 6:13 ` [PATCH v3 08/13] [media] mtk-mipicsi: enable/disable cmos for mt2712 Stu Hsieh
2019-05-14 6:13 ` [PATCH v3 09/13] [media] mtk-mipicsi: add ISR for writing the data to buffer Stu Hsieh
2019-05-17 9:05 ` CK Hu
2019-05-14 6:13 ` [PATCH v3 10/13] [media] mtk-mipicsi: set the output address in HW reg Stu Hsieh
2019-05-14 6:13 ` [PATCH v3 11/13] [media] mtk-mipicsi: add function to get the format Stu Hsieh
2019-05-14 6:13 ` [PATCH v3 12/13] [media] mtk-mipicsi: add debug message for mipicsi driver Stu Hsieh
2019-05-14 6:13 ` [PATCH v3 13/13] [media] mtk-mipicsi: add debugfs " Stu Hsieh
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