From patchwork Fri May 3 15:51:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 794546 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6CCD54D9FD; Fri, 3 May 2024 15:52:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714751526; cv=none; b=EP/LhrUE/+Mz6JeVdP+upPMdRvn+SIGArGjDIG3QAs0Ji2amMX9ua2qBFufmyqwlIu/y2Ehe3aiOY/h/tqNQYcNF+MPfd/Dq/GQqwqzs/WmDBl32sxBwjp2wEJ0PUqI7MOD9mImQnOsA0/qTKfotXEcnf7mTuKPE0nfjdvjxqxQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714751526; c=relaxed/simple; bh=rGMCRqjVpNlaqjgJYOGQk8WIu8zYDArXkbEDiYTy0oE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kTpNYkrT8NqnLy23oV8JUc4TKvIBIruY8J1PsieEg5pLBLppE9VfFyJ9c9O+Tzc8ipcqL9OIckcKdIiy8ORKn9dVqiq6e1LiaLumq6TnhpOxLy2A3JFnUFaAX0P0i56yC+kPlku7dOcwVVt4BoDumzhedHEM9P9JWowopFQqJ14= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=b1ddWaKD; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="b1ddWaKD" Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 651F9F8B; Fri, 3 May 2024 17:50:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751455; bh=rGMCRqjVpNlaqjgJYOGQk8WIu8zYDArXkbEDiYTy0oE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b1ddWaKDMvmnZrS5pbtoCrQwp6eNm2yQ2U4O2s648qOLzVDgb4SWVgThCf2oydiaC WWb9+ygpHs1jDpWITEx8mYOtJTc8XgK50eljdacBdjpj+KuDI9QVYsUoBvDFFcb68K 7Isx0JUHb2cZo3ZdDC4Wv8YPZoIx6KVssPlC80VY= From: Jacopo Mondi To: Laurent Pinchart , =?utf-8?q?Niklas_S?= =?utf-8?q?=C3=B6derlund?= , Sakari Ailus , Kieran Bingham , Tomi Valkeinen Cc: Jacopo Mondi , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH 11/11] media: max9286: Use frame interval from subdev state Date: Fri, 3 May 2024 17:51:26 +0200 Message-ID: <20240503155127.105235-12-jacopo.mondi@ideasonboard.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240503155127.105235-1-jacopo.mondi@ideasonboard.com> References: <20240503155127.105235-1-jacopo.mondi@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use the frame interval stored in the subdev state instead of storing a copy in the driver private structure. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/max9286.c | 52 +++++++++++++++++-------------------- 1 file changed, 24 insertions(+), 28 deletions(-) diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c index cc7ee35560fc..4ddbc247395f 100644 --- a/drivers/media/i2c/max9286.c +++ b/drivers/media/i2c/max9286.c @@ -197,8 +197,6 @@ struct max9286_priv { struct v4l2_ctrl *pixelrate_ctrl; unsigned int pixelrate; - struct v4l2_fract interval; - unsigned int nsources; unsigned int source_mask; unsigned int route_mask; @@ -571,11 +569,14 @@ static void max9286_set_video_format(struct max9286_priv *priv, MAX9286_INVVS | MAX9286_HVSRC_D14); } -static void max9286_set_fsync_period(struct max9286_priv *priv) +static void max9286_set_fsync_period(struct max9286_priv *priv, + struct v4l2_subdev_state *state) { + struct v4l2_fract *interval; u32 fsync; - if (!priv->interval.numerator || !priv->interval.denominator) { + interval = v4l2_subdev_state_get_interval(state, MAX9286_SRC_PAD); + if (!interval->numerator || !interval->denominator) { /* * Special case, a null interval enables automatic FRAMESYNC * mode. FRAMESYNC is taken from the slowest link. @@ -591,8 +592,8 @@ static void max9286_set_fsync_period(struct max9286_priv *priv) * The FRAMESYNC generator is configured with a period expressed as a * number of PCLK periods. */ - fsync = div_u64((u64)priv->pixelrate * priv->interval.numerator, - priv->interval.denominator); + fsync = div_u64((u64)priv->pixelrate * interval->numerator, + interval->denominator); dev_dbg(&priv->client->dev, "fsync period %u (pclk %u)\n", fsync, priv->pixelrate); @@ -801,7 +802,7 @@ static int max9286_s_stream(struct v4l2_subdev *sd, int enable) format = v4l2_subdev_state_get_format(state, MAX9286_SRC_PAD); max9286_set_video_format(priv, format); - max9286_set_fsync_period(priv); + max9286_set_fsync_period(priv, state); /* * The frame sync between cameras is transmitted across the @@ -874,19 +875,11 @@ static int max9286_get_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *interval) { - struct max9286_priv *priv = sd_to_max9286(sd); - - /* - * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2 - * subdev active state API. - */ - if (interval->which != V4L2_SUBDEV_FORMAT_ACTIVE) - return -EINVAL; - if (interval->pad != MAX9286_SRC_PAD) return -EINVAL; - interval->interval = priv->interval; + interval->interval = *v4l2_subdev_state_get_interval(sd_state, + interval->pad); return 0; } @@ -895,19 +888,11 @@ static int max9286_set_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *interval) { - struct max9286_priv *priv = sd_to_max9286(sd); - - /* - * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2 - * subdev active state API. - */ - if (interval->which != V4L2_SUBDEV_FORMAT_ACTIVE) - return -EINVAL; - if (interval->pad != MAX9286_SRC_PAD) return -EINVAL; - priv->interval = interval->interval; + *v4l2_subdev_state_get_interval(sd_state, + interval->pad) = interval->interval; return 0; } @@ -993,12 +978,24 @@ static const struct v4l2_mbus_framefmt max9286_default_format = { static int max9286_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *state) { + struct v4l2_fract *interval; + for (unsigned int i = 0; i < MAX9286_N_SINKS; i++) *v4l2_subdev_state_get_format(state, i) = max9286_default_format; *v4l2_subdev_state_get_format(state, MAX9286_SRC_PAD) = max9286_default_format; + /* + * Special case: a null interval enables automatic FRAMESYNC mode. + * + * FRAMESYNC is taken from the slowest link. See register 0x01 + * configuration. + */ + interval = v4l2_subdev_state_get_interval(state, MAX9286_SRC_PAD); + interval->numerator = 0; + interval->denominator = 0; + return 0; } @@ -1145,7 +1142,6 @@ static int max9286_setup(struct max9286_priv *priv) max9286_write(priv, 0x69, (0xf & ~priv->route_mask)); max9286_set_video_format(priv, &max9286_default_format); - max9286_set_fsync_period(priv); cfg = max9286_read(priv, 0x1c); if (cfg < 0)