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AJvYcCUljejGkXIrAC6eLIGaMQqDfA1uIinW51pqHj0+Y2I+ITaeWHAPL7GSYEXGyROQXtCM2j8C++V272ML0pk=@vger.kernel.org, AJvYcCWlFjYZM9WD5PS7kzS6tBbbLR9aI3Cnyl3uxBagU7JWUpGxvmWyEdK570HpkPfTCknwqn1GDIMGSa6punF54l2lsRU=@vger.kernel.org X-Gm-Message-State: AOJu0YxsmeV/xZ5XtNbx2PHnQOZZD4Mxw2JZvpmGOwGr9Miz20qL6uYo IsmlQtAHEsyBFxcZDqlrT7uiaN8j6Y/2VYMrx/pKY9JNBPZFM20D X-Google-Smtp-Source: AGHT+IGebAElVIF8QVZ4GEbRR2hEbzxYJuaIpZR5mpONcz6SgWxls1mOSh5nkUiDCOIUQWaOnjEQWA== X-Received: by 2002:a05:600c:450b:b0:426:60b8:d8ba with SMTP id 5b1f17b1804b1-42cad87efc7mr86741475e9.28.1725990864157; Tue, 10 Sep 2024 10:54:24 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:94a6:1e64:e5a2:2b2a]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37895675c40sm9516562f8f.51.2024.09.10.10.54.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Sep 2024 10:54:23 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Mauro Carvalho Chehab , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH v2 05/16] media: platform: rzg2l-cru: rzg2l-csi2: Implement .get_frame_desc() Date: Tue, 10 Sep 2024 18:53:46 +0100 Message-Id: <20240910175357.229075-6-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240910175357.229075-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240910175357.229075-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar The RZ/G2L CRU requires information about which VCx to process data from, among the four available VCs. To obtain this information, the .get_frame_desc() routine is implemented. This routine, in turn, calls .get_frame_desc() on the remote sensor connected to the CSI2 bridge. Signed-off-by: Lad Prabhakar Reviewed-by: Laurent Pinchart --- .../platform/renesas/rzg2l-cru/rzg2l-csi2.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c index 10b8b0c87c1f..26953499f305 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c @@ -582,6 +582,24 @@ static int rzg2l_csi2_enum_frame_size(struct v4l2_subdev *sd, return 0; } +static int rzg2l_csi2_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + struct rzg2l_csi2 *csi2 = sd_to_csi2(sd); + struct media_pad *remote_pad; + + if (!csi2->remote_source) + return -ENODEV; + + remote_pad = media_pad_remote_pad_unique(&csi2->pads[RZG2L_CSI2_SINK]); + if (IS_ERR(remote_pad)) { + dev_err(csi2->dev, "can't get source pad of %s (%ld)\n", + csi2->remote_source->name, PTR_ERR(remote_pad)); + return PTR_ERR(remote_pad); + } + return v4l2_subdev_call(csi2->remote_source, pad, get_frame_desc, remote_pad->index, fd); +} + static const struct v4l2_subdev_video_ops rzg2l_csi2_video_ops = { .s_stream = rzg2l_csi2_s_stream, .pre_streamon = rzg2l_csi2_pre_streamon, @@ -593,6 +611,7 @@ static const struct v4l2_subdev_pad_ops rzg2l_csi2_pad_ops = { .enum_frame_size = rzg2l_csi2_enum_frame_size, .set_fmt = rzg2l_csi2_set_format, .get_fmt = v4l2_subdev_get_fmt, + .get_frame_desc = rzg2l_csi2_get_frame_desc, }; static const struct v4l2_subdev_ops rzg2l_csi2_subdev_ops = {