[PATCH v2 16/23] staging: media: tegra-video: tegra20: simplify format align calculations

[Svyatoslav Ryhel <clamor95@gmail.com>]

Simplify format align calculations by slightly modifying supported formats
structure.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
 drivers/staging/media/tegra-video/tegra20.c | 41 ++++++++-------------
 1 file changed, 16 insertions(+), 25 deletions(-)

diff --git a/drivers/staging/media/tegra-video/tegra20.c b/drivers/staging/media/tegra-video/tegra20.c
index 6e0b3b728623..781c4e8ec856 100644
--- a/drivers/staging/media/tegra-video/tegra20.c
+++ b/drivers/staging/media/tegra-video/tegra20.c
@@ -280,20 +280,8 @@ static void tegra20_fmt_align(struct v4l2_pix_format *pix, unsigned int bpp)
 	pix->width  = clamp(pix->width,  TEGRA20_MIN_WIDTH,  TEGRA20_MAX_WIDTH);
 	pix->height = clamp(pix->height, TEGRA20_MIN_HEIGHT, TEGRA20_MAX_HEIGHT);
 
-	switch (pix->pixelformat) {
-	case V4L2_PIX_FMT_UYVY:
-	case V4L2_PIX_FMT_VYUY:
-	case V4L2_PIX_FMT_YUYV:
-	case V4L2_PIX_FMT_YVYU:
-		pix->bytesperline = roundup(pix->width, 2) * 2;
-		pix->sizeimage = roundup(pix->width, 2) * 2 * pix->height;
-		break;
-	case V4L2_PIX_FMT_YUV420:
-	case V4L2_PIX_FMT_YVU420:
-		pix->bytesperline = roundup(pix->width, 8);
-		pix->sizeimage = roundup(pix->width, 8) * pix->height * 3 / 2;
-		break;
-	}
+	pix->bytesperline = DIV_ROUND_UP(pix->width * bpp, 8);
+	pix->sizeimage = pix->bytesperline * pix->height;
 }
 
 /*
@@ -576,20 +564,23 @@ static const struct tegra_vi_ops tegra20_vi_ops = {
 	.vi_stop_streaming = tegra20_vi_stop_streaming,
 };
 
-#define TEGRA20_VIDEO_FMT(MBUS_CODE, BPP, FOURCC)	\
-{							\
-	.code    = MEDIA_BUS_FMT_##MBUS_CODE,		\
-	.bpp     = BPP,					\
-	.fourcc  = V4L2_PIX_FMT_##FOURCC,		\
+#define TEGRA20_VIDEO_FMT(DATA_TYPE, BIT_WIDTH, MBUS_CODE, BPP, FOURCC)	\
+{									\
+	.img_dt		= TEGRA_IMAGE_DT_##DATA_TYPE,			\
+	.bit_width	= BIT_WIDTH,					\
+	.code		= MEDIA_BUS_FMT_##MBUS_CODE,			\
+	.bpp		= BPP,						\
+	.fourcc		= V4L2_PIX_FMT_##FOURCC,			\
 }
 
 static const struct tegra_video_format tegra20_video_formats[] = {
-	TEGRA20_VIDEO_FMT(UYVY8_2X8, 2, UYVY),
-	TEGRA20_VIDEO_FMT(VYUY8_2X8, 2, VYUY),
-	TEGRA20_VIDEO_FMT(YUYV8_2X8, 2, YUYV),
-	TEGRA20_VIDEO_FMT(YVYU8_2X8, 2, YVYU),
-	TEGRA20_VIDEO_FMT(UYVY8_2X8, 1, YUV420),
-	TEGRA20_VIDEO_FMT(UYVY8_2X8, 1, YVU420),
+	/* YUV422 */
+	TEGRA20_VIDEO_FMT(YUV422_8, 16, UYVY8_2X8, 16, UYVY),
+	TEGRA20_VIDEO_FMT(YUV422_8, 16, VYUY8_2X8, 16, VYUY),
+	TEGRA20_VIDEO_FMT(YUV422_8, 16, YUYV8_2X8, 16, YUYV),
+	TEGRA20_VIDEO_FMT(YUV422_8, 16, YVYU8_2X8, 16, YVYU),
+	TEGRA20_VIDEO_FMT(YUV422_8, 16, UYVY8_2X8, 12, YUV420),
+	TEGRA20_VIDEO_FMT(YUV422_8, 16, UYVY8_2X8, 12, YVU420),
 };
 
 const struct tegra_vi_soc tegra20_vi_soc = {
-- 
2.48.1