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51 lines
1.5 KiB
Diff
51 lines
1.5 KiB
Diff
From 253dd469e6403b6c2afd25d4f8338a0c1588583f Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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Date: Thu, 3 Oct 2019 13:45:51 +0100
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Subject: [PATCH] media: bcm2835-unicam: Add support for luma/greyscale
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formats
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Add support for V4L2_PIX_FMT_GREY, V4L2_PIX_FMT_Y10P,
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V4L2_PIX_FMT_Y10, and V4L2_PIX_FMT_Y12 image formats from the
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appropriate mediabus formats advertised by sensors.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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---
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.../media/platform/bcm2835/bcm2835-unicam.c | 21 ++++++++++++++++++-
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1 file changed, 20 insertions(+), 1 deletion(-)
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--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
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+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
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@@ -307,12 +307,31 @@ static const struct unicam_fmt formats[]
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.code = MEDIA_BUS_FMT_SRGGB14_1X14,
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.depth = 14,
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.csi_dt = 0x2d,
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- },
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+ }, {
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/*
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* 16 bit Bayer formats could be supported, but there is no CSI2
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* data_type defined for raw 16, and no sensors that produce it at
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* present.
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*/
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+
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+ /* Greyscale formats */
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+ .fourcc = V4L2_PIX_FMT_GREY,
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+ .code = MEDIA_BUS_FMT_Y8_1X8,
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+ .depth = 8,
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+ .csi_dt = 0x2a,
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+ }, {
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+ .fourcc = V4L2_PIX_FMT_Y10P,
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+ .repacked_fourcc = V4L2_PIX_FMT_Y10,
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+ .code = MEDIA_BUS_FMT_Y10_1X10,
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+ .depth = 10,
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+ .csi_dt = 0x2b,
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+ }, {
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+ /* NB There is no packed V4L2 fourcc for this format. */
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+ .repacked_fourcc = V4L2_PIX_FMT_Y12,
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+ .code = MEDIA_BUS_FMT_Y12_1X12,
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+ .depth = 12,
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+ .csi_dt = 0x2c,
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+ },
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};
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struct unicam_dmaqueue {
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