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[94.141.168.29]) by smtp.gmail.com with ESMTPSA id d23sm746793lfs.125.2021.09.24.05.44.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Sep 2021 05:44:25 -0700 (PDT) From: Nikita Yushchenko To: =?UTF-8?q?Niklas=20S=C3=B6derlund?= , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Vladimir Barinov , Nikita Yushchenko Subject: [PATCH v2] media: rcar-vin: add GREY format Date: Fri, 24 Sep 2021 15:43:17 +0300 Message-Id: <20210924124315.26164-1-nikita.yoush@cogentembedded.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vladimir Barinov This adds support for MEDIA_BUS_FMT_Y8_1X8 input and V4L2_PIX_FMT_GREY output format. Signed-off-by: Vladimir Barinov Signed-off-by: Nikita Yushchenko --- Changes from v1: - fix coding style issue drivers/media/platform/rcar-vin/rcar-dma.c | 15 +++++++++++++++ drivers/media/platform/rcar-vin/rcar-v4l2.c | 4 ++++ 2 files changed, 19 insertions(+) diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index f5f722ab1d4e..4d0d95cf4c5f 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -114,6 +114,7 @@ /* Video n Data Mode Register bits */ #define VNDMR_A8BIT(n) (((n) & 0xff) << 24) #define VNDMR_A8BIT_MASK (0xff << 24) +#define VNDMR_YMODE_Y8 (1 << 12) #define VNDMR_EXRGB (1 << 8) #define VNDMR_BPSM (1 << 4) #define VNDMR_ABIT (1 << 2) @@ -603,6 +604,7 @@ void rvin_crop_scale_comp(struct rvin_dev *vin) case V4L2_PIX_FMT_SGBRG8: case V4L2_PIX_FMT_SGRBG8: case V4L2_PIX_FMT_SRGGB8: + case V4L2_PIX_FMT_GREY: stride /= 2; break; default: @@ -695,6 +697,7 @@ static int rvin_setup(struct rvin_dev *vin) case MEDIA_BUS_FMT_SGBRG8_1X8: case MEDIA_BUS_FMT_SGRBG8_1X8: case MEDIA_BUS_FMT_SRGGB8_1X8: + case MEDIA_BUS_FMT_Y8_1X8: vnmc |= VNMC_INF_RAW8; break; default: @@ -774,6 +777,14 @@ static int rvin_setup(struct rvin_dev *vin) case V4L2_PIX_FMT_SRGGB8: dmr = 0; break; + case V4L2_PIX_FMT_GREY: + if (input_is_yuv) { + dmr = VNDMR_DTMD_YCSEP | VNDMR_YMODE_Y8; + output_is_yuv = true; + } else { + dmr = 0; + } + break; default: vin_err(vin, "Invalid pixelformat (0x%x)\n", vin->format.pixelformat); @@ -1145,6 +1156,10 @@ static int rvin_mc_validate_format(struct rvin_dev *vin, struct v4l2_subdev *sd, if (vin->format.pixelformat != V4L2_PIX_FMT_SRGGB8) return -EPIPE; break; + case MEDIA_BUS_FMT_Y8_1X8: + if (vin->format.pixelformat != V4L2_PIX_FMT_GREY) + return -EPIPE; + break; default: return -EPIPE; } diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index 0d141155f0e3..bdeff51bf768 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -82,6 +82,10 @@ static const struct rvin_video_format rvin_formats[] = { .fourcc = V4L2_PIX_FMT_SRGGB8, .bpp = 1, }, + { + .fourcc = V4L2_PIX_FMT_GREY, + .bpp = 1, + }, }; const struct rvin_video_format *rvin_format_from_pixel(struct rvin_dev *vin, -- 2.30.2