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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 v4 11/14] [media] mtk-mipicsi: add function to get the format
Date:   Tue, 4 Jun 2019 18:11:52 +0800
Message-ID: <1559643115-15124-12-git-send-email-stu.hsieh@mediatek.com>
In-Reply-To: <1559643115-15124-1-git-send-email-stu.hsieh@mediatek.com>
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This patch add function to get the format

This function can get the subdev format and host format.
Calculate the number of format which intersection of subdev and host.

Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
---
 drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
index 9e45786a0282..aaaea5c6f280 100644
--- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
+++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
@@ -52,6 +52,7 @@
 
 #define MTK_MIPICSI_DRV_NAME "mtk-mipicsi"
 #define MTK_PLATFORM_STR "platform:mt2712"
+#define MTK_DATAWIDTH_8					(0x01U << 7U)
 #define MAX_SUPPORT_WIDTH             4096U
 #define MAX_SUPPORT_HEIGHT            4096U
 #define MAX_BUFFER_NUM                  32U
@@ -158,6 +159,7 @@ struct mtk_mipicsi_dev {
 	unsigned int			num_user_formats;
 	const struct mtk_format		**user_formats;
 	const struct mtk_format		*current_fmt;
+	u16			width_flags;	/* max 12 bits */
 
 	struct mtk_mipicsi_buf	cam_buf[MAX_BUFFER_NUM];
 	struct list_head	fb_list;
@@ -1522,6 +1524,7 @@ static int mtk_mipicsi_probe(struct platform_device *pdev)
 		goto err_vb2_queue;
 	}
 
+	mipicsi->width_flags = MTK_DATAWIDTH_8;
 	mipicsi->streamon = false;
 
 	ret = mtk_mipicsi_subdev_init(mipicsi);
-- 
2.18.0