From: Jacopo Mondi <jacopo+renesas@jmondi.org>
To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl,
sakari.ailus@linux.intel.com, laurent.pinchart@ideasonboard.com
Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>,
niklas.soderlund+renesas@ragnatech.se,
kieran.bingham@ideasonboard.com, dave.stevenson@raspberrypi.com,
hyun.kwon@xilinx.com, linux-media@vger.kernel.org,
linux-renesas-soc@vger.kernel.org
Subject: [PATCH v3 7/8] media: i2c: adv748x: Implement get_mbus_config
Date: Thu, 14 May 2020 18:45:39 +0200 [thread overview]
Message-ID: <20200514164540.507233-9-jacopo+renesas@jmondi.org> (raw)
In-Reply-To: <20200514164540.507233-1-jacopo+renesas@jmondi.org>
Implement the newly introduced get_mbus_config operation to report the
number of currently used data lanes on the MIPI CSI-2 interface.
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
drivers/media/i2c/adv748x/adv748x-csi2.c | 31 ++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c
index 2091cda50935..99bb63d05eef 100644
--- a/drivers/media/i2c/adv748x/adv748x-csi2.c
+++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
@@ -214,9 +214,40 @@ static int adv748x_csi2_set_format(struct v4l2_subdev *sd,
return ret;
}
+static int adv748x_csi2_get_mbus_config(struct v4l2_subdev *sd, unsigned int pad,
+ struct v4l2_mbus_config *config)
+{
+ struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd);
+
+ if (pad != ADV748X_CSI2_SOURCE)
+ return -EINVAL;
+
+ config->type = V4L2_MBUS_CSI2_DPHY;
+ switch (tx->active_lanes) {
+ case 1:
+ config->flags = V4L2_MBUS_CSI2_1_LANE;
+ break;
+
+ case 2:
+ config->flags = V4L2_MBUS_CSI2_2_LANE;
+ break;
+
+ case 3:
+ config->flags = V4L2_MBUS_CSI2_3_LANE;
+ break;
+
+ case 4:
+ config->flags = V4L2_MBUS_CSI2_4_LANE;
+ break;
+ }
+
+ return 0;
+}
+
static const struct v4l2_subdev_pad_ops adv748x_csi2_pad_ops = {
.get_fmt = adv748x_csi2_get_format,
.set_fmt = adv748x_csi2_set_format,
+ .get_mbus_config = adv748x_csi2_get_mbus_config,
};
/* -----------------------------------------------------------------------------
--
2.26.2
next prev parent reply other threads:[~2020-05-14 16:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-14 16:45 [PATCH v3 0/8] v4l2-subdev: Introduce [g|s]et_mbus_format pad op Jacopo Mondi
2020-05-14 16:45 ` [PATCH v3 1/8] media: v4l2-subdv: Introduce get_mbus_config " Jacopo Mondi
2020-05-14 16:45 ` [PATCH v3 1/8] media: v4l2-subdv: Introduce [s|g]et_mbus_config pad ops Jacopo Mondi
2020-05-18 9:53 ` Hans Verkuil
2020-05-14 16:45 ` [PATCH v3 2/8] media: i2c: Use the new get_mbus_config pad op Jacopo Mondi
2020-05-14 16:45 ` [PATCH v3 3/8] media: i2c: ov6650: Use new [g|s]_mbus_config op Jacopo Mondi
2020-05-18 10:00 ` Kieran Bingham
2020-05-14 16:45 ` [PATCH v3 4/8] media: pxa_camera: Use the new set_mbus_config op Jacopo Mondi
2020-05-14 16:45 ` [PATCH v3 5/8] media: v4l2-subdev: Deprecate g_mbus_config video op Jacopo Mondi
2020-05-18 8:48 ` Hans Verkuil
2020-05-14 16:45 ` [PATCH v3 6/8] media: i2c: adv748x: Adjust TXA data lanes number Jacopo Mondi
2020-05-14 16:45 ` Jacopo Mondi [this message]
2020-05-14 16:45 ` [PATCH v3 8/8] media: rcar-csi2: Negotiate " Jacopo Mondi
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