diff options
| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2020-09-13 20:16:08 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-09-26 10:58:46 +0200 |
| commit | e88349437654f9d1b3c144049b9990026f911e56 (patch) | |
| tree | 9aa204640f08db0af79078d474290920618c480f /drivers/media/platform/rcar-vin | |
| parent | fe98df32bd9e41b5ac2cdbd8c8ce97182b81b495 (diff) | |
| download | linux-e88349437654f9d1b3c144049b9990026f911e56.tar.gz | |
media: rcar-vin: Enable YDS bit depending on bus_width and data_shift
Enable YDS bit if bus_width and data_shift is set to 8 in parallel mode
for MEDIA_BUS_FMT_UYVY8_2X8 format.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/platform/rcar-vin')
| -rw-r--r-- | drivers/media/platform/rcar-vin/rcar-core.c | 9 | ||||
| -rw-r--r-- | drivers/media/platform/rcar-vin/rcar-dma.c | 17 | ||||
| -rw-r--r-- | drivers/media/platform/rcar-vin/rcar-vin.h | 5 |
3 files changed, 21 insertions, 10 deletions
diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index f68da016aeaf..34d003e0e9b9 100644 --- a/drivers/media/platform/rcar-vin/rcar-core.c +++ b/drivers/media/platform/rcar-vin/rcar-core.c @@ -620,12 +620,11 @@ static int rvin_parallel_parse_v4l2(struct device *dev, switch (vin->parallel->mbus_type) { case V4L2_MBUS_PARALLEL: - vin_dbg(vin, "Found PARALLEL media bus\n"); - vin->parallel->mbus_flags = vep->bus.parallel.flags; - break; case V4L2_MBUS_BT656: - vin_dbg(vin, "Found BT656 media bus\n"); - vin->parallel->mbus_flags = 0; + vin_dbg(vin, "Found %s media bus\n", + vin->parallel->mbus_type == V4L2_MBUS_PARALLEL ? + "PARALLEL" : "BT656"); + vin->parallel->bus = vep->bus.parallel; break; default: vin_err(vin, "Unknown media bus type\n"); diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index a5dbb90c5210..d067439b0b0d 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -125,6 +125,7 @@ #define VNDMR2_VPS (1 << 30) #define VNDMR2_HPS (1 << 29) #define VNDMR2_CES (1 << 28) +#define VNDMR2_YDS (1 << 22) #define VNDMR2_FTEV (1 << 17) #define VNDMR2_VLV(n) ((n & 0xf) << 12) @@ -698,16 +699,26 @@ static int rvin_setup(struct rvin_dev *vin) if (!vin->is_csi) { /* Hsync Signal Polarity Select */ - if (!(vin->parallel->mbus_flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)) + if (!(vin->parallel->bus.flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)) dmr2 |= VNDMR2_HPS; /* Vsync Signal Polarity Select */ - if (!(vin->parallel->mbus_flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)) + if (!(vin->parallel->bus.flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)) dmr2 |= VNDMR2_VPS; /* Data Enable Polarity Select */ - if (vin->parallel->mbus_flags & V4L2_MBUS_DATA_ENABLE_LOW) + if (vin->parallel->bus.flags & V4L2_MBUS_DATA_ENABLE_LOW) dmr2 |= VNDMR2_CES; + + switch (vin->mbus_code) { + case MEDIA_BUS_FMT_UYVY8_2X8: + if (vin->parallel->bus.bus_width == 8 && + vin->parallel->bus.data_shift == 8) + dmr2 |= VNDMR2_YDS; + break; + default: + break; + } } /* diff --git a/drivers/media/platform/rcar-vin/rcar-vin.h b/drivers/media/platform/rcar-vin/rcar-vin.h index c19d077ce1cb..8396e0e45478 100644 --- a/drivers/media/platform/rcar-vin/rcar-vin.h +++ b/drivers/media/platform/rcar-vin/rcar-vin.h @@ -19,6 +19,7 @@ #include <media/v4l2-ctrls.h> #include <media/v4l2-dev.h> #include <media/v4l2-device.h> +#include <media/v4l2-fwnode.h> #include <media/videobuf2-v4l2.h> /* Number of HW buffers */ @@ -92,7 +93,7 @@ struct rvin_video_format { * @asd: sub-device descriptor for async framework * @subdev: subdevice matched using async framework * @mbus_type: media bus type - * @mbus_flags: media bus configuration flags + * @bus: media bus parallel configuration * @source_pad: source pad of remote subdevice * @sink_pad: sink pad of remote subdevice * @@ -102,7 +103,7 @@ struct rvin_parallel_entity { struct v4l2_subdev *subdev; enum v4l2_mbus_type mbus_type; - unsigned int mbus_flags; + struct v4l2_fwnode_bus_parallel bus; unsigned int source_pad; unsigned int sink_pad; |