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>, <wsd_upstream@mediatek.com>
Subject: [PATCH v2 05/15] [media] mtk-mipicsi: get the w/h/bytepwerline for mtk_mipicsi
Date: Tue, 16 Apr 2019 17:27:33 +0800 [thread overview]
Message-ID: <1555406863-18069-6-git-send-email-stu.hsieh@mediatek.com> (raw)
In-Reply-To: <1555406863-18069-1-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 | 39 +++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
index 16f6bc480f4e..10782fccca79 100644
--- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
+++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
@@ -99,6 +99,9 @@ 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 | \
@@ -110,13 +113,36 @@ 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);
@@ -125,6 +151,19 @@ 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) || (height == 0U) || (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:[~2019-04-16 9:29 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-16 9:27 [PATCH v2 00/15] Add mediatek mipicsi driver for Mediatek SOC MT2712 Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 01/15] dt-bindings: media: Add binding for MT2712 MIPI-CSI2 Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 02/15] [media] mtk-mipicsi: add mediatek mipicsi driver for mt2712 Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 03/15] [media] mtk-mipicsi: add pm function Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 04/15] [media] mtk-mipicsi: add color format support for mt2712 Stu Hsieh
2019-04-16 9:27 ` Stu Hsieh [this message]
2019-04-16 9:27 ` [PATCH v2 06/15] [media] mtk-mipicsi: add function to support SerDes for link number Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 07/15] [media] mtk-mipicsi: add mipicsi reg setting for mt2712 Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 08/15] [media] mtk-mipicsi: enable/disable ana clk Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 09/15] [media] mtk-mipicsi: enable/disable cmos for mt2712 Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 10/15] [media] mtk-mipicsi: add ISR for writing the data to buffer Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 11/15] [media] mtk-mipicsi: set the output address in HW reg Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 12/15] [media] mtk-mipicsi: add function to get the format Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 13/15] [media] mtk-mipicsi: add the function for Get/Set PARM for application Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 14/15] [media] mtk-mipicsi: add debug message for mipicsi driver Stu Hsieh
2019-04-16 9:27 ` [PATCH v2 15/15] [media] mtk-mipicsi: add debugfs " Stu Hsieh
2019-04-16 9:30 [PATCH v2 00/15] Add mediatek mipicsi driver for Mediatek SOC MT2712 Stu Hsieh
2019-04-16 9:30 ` [PATCH v2 05/15] [media] mtk-mipicsi: get the w/h/bytepwerline for mtk_mipicsi Stu Hsieh
2019-04-19 3:52 ` CK Hu
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