From: Jacopo Mondi <jacopo+renesas@jmondi.org>
To: sakari.ailus@linux.intel.com, laurent.pinchart@ideasonboard.com,
niklas.soderlund+renesas@ragnatech.se,
kieran.bingham@ideasonboard.com
Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>,
linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
dave.stevenson@raspberrypi.org
Subject: [RFC 4/5] media: adv748x: Report D-PHY configuration
Date: Sat, 16 Mar 2019 16:48:00 +0100 [thread overview]
Message-ID: <20190316154801.20460-5-jacopo+renesas@jmondi.org> (raw)
In-Reply-To: <20190316154801.20460-1-jacopo+renesas@jmondi.org>
Extend the media bus frame description to report the D-PHY bus
configuration.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
drivers/media/i2c/adv748x/adv748x-csi2.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c
index 13454af72c6e..c733c7ab8247 100644
--- a/drivers/media/i2c/adv748x/adv748x-csi2.c
+++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
@@ -231,8 +231,12 @@ static int adv748x_csi2_set_format(struct v4l2_subdev *sd,
static int adv748x_csi2_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
struct v4l2_mbus_frame_desc *fd)
{
+ struct v4l2_mbus_frame_desc_entry_csi2_dphy *dphy;
struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd);
+ struct v4l2_mbus_frame_desc_entry_csi2 *csi2;
struct v4l2_mbus_framefmt *mbusformat;
+ unsigned int i;
+
memset(fd, 0, sizeof(*fd));
@@ -244,13 +248,20 @@ static int adv748x_csi2_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
if (!mbusformat)
return -EINVAL;
+ fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2_DPHY;
+ fd->num_entries = 1;
+
fd->entry->stream = tx->vc;
- fd->entry->bus.csi2.channel = tx->vc;
- fd->entry->bus.csi2.data_type =
- adv748x_csi2_code_to_datatype(mbusformat->code);
- fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2;
- fd->num_entries = 1;
+ csi2 = &fd->entry->bus.csi2;
+ csi2->channel = tx->vc;
+ csi2->data_type = adv748x_csi2_code_to_datatype(mbusformat->code);
+
+ dphy = &fd->phy.csi2_dphy;
+ dphy->clock_lane = 0;
+ for (i = 0; i < tx->num_lanes; ++i)
+ dphy->data_lanes[i] = i + 1;
+ dphy->num_data_lanes = tx->num_lanes;
return 0;
}
--
2.21.0
next prev parent reply other threads:[~2019-03-16 15:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-16 15:47 [RFC 0/5] media: Implement negotiation of CSI-2 data lanes Jacopo Mondi
2019-03-16 15:47 ` [RFC 1/5] v4l: subdev: Add MIPI CSI-2 PHY to frame desc Jacopo Mondi
2019-03-16 16:20 ` Sergei Shtylyov
2019-03-18 8:23 ` Jacopo Mondi
2019-03-16 17:51 ` Sakari Ailus
2019-03-18 8:31 ` Jacopo Mondi
2019-03-18 15:29 ` Dave Stevenson
2019-03-20 16:45 ` Jacopo Mondi
2019-04-04 8:49 ` Sakari Ailus
2019-04-04 16:36 ` Dave Stevenson
2019-04-10 16:51 ` Jacopo Mondi
2019-03-16 15:47 ` [RFC 2/5] media: adv748x: Post-pone IO10 write to power up Jacopo Mondi
2019-04-12 14:15 ` Kieran Bingham
2019-04-12 14:45 ` Jacopo Mondi
2019-04-12 15:57 ` Kieran Bingham
2019-04-15 7:00 ` Jacopo Mondi
2020-06-10 9:50 ` Kieran Bingham
2019-03-16 15:47 ` [RFC 3/5] media: adv748x: Make lanes number depend on routing Jacopo Mondi
2019-04-12 14:45 ` Kieran Bingham
2019-03-16 15:48 ` Jacopo Mondi [this message]
2019-03-16 15:48 ` [RFC 5/5] media: rcar-csi2: Configure CSI-2 with frame desc Jacopo Mondi
2019-03-20 19:50 ` Niklas Söderlund
2019-03-21 0:51 ` Jacopo Mondi
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