From nobody Wed Nov 27 08:49:52 2024 Received: from mail-wr1-f51.google.com (mail-wr1-f51.google.com [209.85.221.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3AEA1D0406; Fri, 11 Oct 2024 17:31:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728667868; cv=none; b=R4qI92J5Y8EjJZWmL8/EuD/mDkMqYNmbHca3QQnA8W7z4kdd4regHVeSkkIQLoZYyNoFBnOjgqaReGkfZBX0h4geGCHcSn7kCx/Zmb+si+swe+FPpV09mXVF8I71LGiXKt7B+65nPFIiZrepREI/FN3HzbnufQjlaxIHVmboEY4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728667868; c=relaxed/simple; bh=riQB/ps7KNocNV/AUMqu2fP1J1RbHtnimUeTAOvwnFI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Wdw430E1LKUEJtvGLOZMxYkOyOcyUrmhHewfzmqIgmGW5c9uUzjuGmVH+mxhdF599N6Jw6qsorcIymygWoj6ydR0Rveh/coD558pKmP5KDe6HBGqtBrNad3fec9CwDGDhvSDU5OxgEBQHOeCQ9jCSWTdInZbD5a98FnZAKXxTas= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=AwuYw6Ps; arc=none smtp.client-ip=209.85.221.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AwuYw6Ps" Received: by mail-wr1-f51.google.com with SMTP id ffacd0b85a97d-37d518f9abcso913432f8f.2; Fri, 11 Oct 2024 10:31:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728667865; x=1729272665; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ZPJcAbqbEoGBWHFkHsMcRX6T1qK9wGSCrUFWEpC9TBk=; b=AwuYw6PszX4ppDS+/V1MDZ6kxxmNi8d42x+dvvrnBm9Y1HDci8w5JI5n2AEANOhrSH Jx3mIkwIOhSgU7pAgL2Von/0ToatIzyWSaytw99Mx/1k7fG7YS9t8kvMt6GIraPJZmpL xIZFC74erkH8wQhExnJDzwbSeUP+A5mM4us6+lWJrvcvuEIpPPoz1tLiDXGuoPS5SaZT KQiUTvf3D+OU09LPVb4bUUtH7KnQCMUqTtS+zHVIpDVbG3OHh3X+sBhbTZYCGaLUngdU gkdgL07BSYu8RxQgjO8NLH0cU/4G6zcS+E5DFvBipMQU9eNeYKLpmQ0S7JoXK9UJ/CnL ykDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728667865; x=1729272665; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZPJcAbqbEoGBWHFkHsMcRX6T1qK9wGSCrUFWEpC9TBk=; b=c+FmreIEt6x42HSnq8mNlk4wtKgxJLlIM0QR1VoQa4qYsgRZJMgY1XLGFGYvzD40GR 499bdfiX+xKzD96MA0pT6tqniNmE3ybOCiaRTp5UKX+BkNviZPMpb9NcDLIy55mtI4wk Gf+imjr9jndWM1jBj9ZBy6uCAvJMFFG2KQbK0v3H/2UpOyxMYH6Kht3p82OUXsLbeUug s3eu5YxX1viBvZsK5VHG68AN+kx6zS/Z6ZEKXAnU6V2EIlZrMOVJfRa3Zw0OpBalaYOK qQmn77qAd0ycnk4yy7/5Ls99im0EDXdVQ/ga43tLA9L8ShJrSsOjtyS81tAXM/lKQuc1 xRRw== X-Forwarded-Encrypted: i=1; AJvYcCV0X7D7lUpPyWyAdHZ8pwlY4HxF7Tk8Hml3X9rjNzT6npThyg7surEDfA9zVnocCpZDauzoVjnTnOd4L+M=@vger.kernel.org, AJvYcCXlckh6kX78L5QIeV1ZU+HwRB5T1UiztLaVYgSR08NOArQ0hg4vFYKfr6FvHI3deh+T3igAVHPKygMSYWqR+hAhvWY=@vger.kernel.org X-Gm-Message-State: AOJu0YzoNgsvNXkqJnx/FOIxKr1q511451lRmlaDVm+HPU7W3+xmnbHB jCDUTTxr7z4d4Yl0FU3h+kx/Fe2MP+Bmy4S8wYQCnR+v5jp7SsQ/HI0WEQ== X-Google-Smtp-Source: AGHT+IG/ZWyxCOxL5jWFjBZFw3Xi0B+eX8Vh3VD1mw4fyQxCP9Tg9haDep7QcMgW40dKps2sJomTGQ== X-Received: by 2002:a05:6000:b10:b0:37d:4846:42c3 with SMTP id ffacd0b85a97d-37d551b6ee1mr1992624f8f.22.1728667865102; Fri, 11 Oct 2024 10:31:05 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:2595:4364:d152:dff3]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37d4b79fa0asm4396516f8f.83.2024.10.11.10.31.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Oct 2024 10:31:04 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Laurent Pinchart , Mauro Carvalho Chehab , Hans Verkuil , Sakari Ailus Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar , Laurent Pinchart Subject: [PATCH v5 06/22] media: rzg2l-cru: Retrieve virtual channel information Date: Fri, 11 Oct 2024 18:30:36 +0100 Message-ID: <20241011173052.1088341-7-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241011173052.1088341-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20241011173052.1088341-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar The RZ/G2L CRU needs to configure the ICnMC.VCSEL bits to specify which virtual channel should be processed from the four available VCs. To retrieve this information from the connected subdevice, the .get_frame_desc() function is called. Signed-off-by: Lad Prabhakar Reviewed-by: Laurent Pinchart --- .../platform/renesas/rzg2l-cru/rzg2l-cru.h | 5 +++ .../platform/renesas/rzg2l-cru/rzg2l-ip.c | 5 --- .../platform/renesas/rzg2l-cru/rzg2l-video.c | 34 +++++++++++++++++++ 3 files changed, 39 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h b/drivers= /media/platform/renesas/rzg2l-cru/rzg2l-cru.h index 174760239548..8fbd45c43763 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h @@ -31,6 +31,11 @@ #define RZG2L_CRU_MIN_INPUT_HEIGHT 240 #define RZG2L_CRU_MAX_INPUT_HEIGHT 4095 =20 +enum rzg2l_csi2_pads { + RZG2L_CRU_IP_SINK =3D 0, + RZG2L_CRU_IP_SOURCE, +}; + /** * enum rzg2l_cru_dma_state - DMA states * @RZG2L_CRU_DMA_STOPPED: No operation in progress diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c b/drivers/= media/platform/renesas/rzg2l-cru/rzg2l-ip.c index 700d8b704689..aee7d4ba70b0 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c @@ -18,11 +18,6 @@ static const struct rzg2l_cru_ip_format rzg2l_cru_ip_for= mats[] =3D { { .code =3D MEDIA_BUS_FMT_UYVY8_1X16, .datatype =3D 0x1e, .bpp =3D 16 }, }; =20 -enum rzg2l_csi2_pads { - RZG2L_CRU_IP_SINK =3D 0, - RZG2L_CRU_IP_SOURCE, -}; - static const struct rzg2l_cru_ip_format *rzg2l_cru_ip_code_to_fmt(unsigned= int code) { unsigned int i; diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c b/drive= rs/media/platform/renesas/rzg2l-cru/rzg2l-video.c index bbf4674f888d..7cd33eb1939c 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c @@ -433,12 +433,46 @@ void rzg2l_cru_stop_image_processing(struct rzg2l_cru= _dev *cru) spin_unlock_irqrestore(&cru->qlock, flags); } =20 +static int rzg2l_cru_get_virtual_channel(struct rzg2l_cru_dev *cru) +{ + struct v4l2_mbus_frame_desc fd =3D { }; + struct media_pad *remote_pad; + int ret; + + remote_pad =3D media_pad_remote_pad_unique(&cru->ip.pads[RZG2L_CRU_IP_SIN= K]); + ret =3D v4l2_subdev_call(cru->ip.remote, pad, get_frame_desc, remote_pad-= >index, &fd); + if (ret < 0 && ret !=3D -ENOIOCTLCMD) { + dev_err(cru->dev, "get_frame_desc failed on IP remote subdev\n"); + return ret; + } + /* If remote subdev does not implement .get_frame_desc default to VC0. */ + if (ret =3D=3D -ENOIOCTLCMD) + return 0; + + if (fd.type !=3D V4L2_MBUS_FRAME_DESC_TYPE_CSI2) { + dev_err(cru->dev, "get_frame_desc returned invalid bus type %d\n", fd.ty= pe); + return -EINVAL; + } + + if (!fd.num_entries) { + dev_err(cru->dev, "get_frame_desc returned zero entries\n"); + return -EINVAL; + } + + return fd.entry[0].bus.csi2.vc; +} + int rzg2l_cru_start_image_processing(struct rzg2l_cru_dev *cru) { struct v4l2_mbus_framefmt *fmt =3D rzg2l_cru_ip_get_src_fmt(cru); unsigned long flags; int ret; =20 + ret =3D rzg2l_cru_get_virtual_channel(cru); + if (ret < 0) + return ret; + cru->csi.channel =3D ret; + spin_lock_irqsave(&cru->qlock, flags); =20 /* Select a video input */ --=20 2.43.0