From patchwork Thu Nov 3 16:31:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 13030589 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A147C433FE for ; Thu, 3 Nov 2022 16:32:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232341AbiKCQcy (ORCPT ); Thu, 3 Nov 2022 12:32:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232265AbiKCQch (ORCPT ); Thu, 3 Nov 2022 12:32:37 -0400 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::221]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C9151CFF9; Thu, 3 Nov 2022 09:32:20 -0700 (PDT) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 19E51240009; Thu, 3 Nov 2022 16:32:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1667493138; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KcOQoTq5vjoTWwUqSAOktWbaEXXd2j3DobzUusiZj6Q=; b=pAXZCpkMVwwl3niVjwaxoqJToNadapdGHW8Ct7Q/UYX/w4/y2obTPDGaYtRTdthGZpcFKp k1cnW3ZqrQu+o5fbruJuKIHHimz1l02CHGp201+o5WBaIHjUNRswXT/ZweTDzuNG83I5qx H6Q7ZDtVmLkyqKDH7JKEXR4Zs5dGNXJevHtPwgNVgrpJWU6USYW8lU/bMose9LCFdKh4WW HxdRrzpYtcCou+b8Af3SHF4+neItMs3aaL2/abz+30hhGST/chrVtNHk2yYDGKxx906nfc Ci2hSbhXGiqY86x/mBWw1DnXDNOF91T40V2l5BIaV0ijPtiax4J7X3/3TgT17Q== From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Cc: Yong Deng , Paul Kocialkowski , Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Laurent Pinchart , Maxime Ripard , Thomas Petazzoni Subject: [PATCH v7 25/28] media: sun6i-csi: Only configure capture when streaming Date: Thu, 3 Nov 2022 17:31:10 +0100 Message-Id: <20221103163113.245462-26-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221103163113.245462-1-paul.kocialkowski@bootlin.com> References: <20221103163113.245462-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add a streaming element to the capture state structure to know if the capture device is used or not. Only configure things related to output when streaming, including the output format, irq, state (dma buffer) and window configuration registers. After this change, it becomes possible to use the bridge without the capture device, which will be the case in the isp media flow. Signed-off-by: Paul Kocialkowski Acked-by: Jernej Skrabec --- .../sunxi/sun6i-csi/sun6i_csi_bridge.c | 50 ++++++++++++------- .../sunxi/sun6i-csi/sun6i_csi_capture.c | 11 +++- .../sunxi/sun6i-csi/sun6i_csi_capture.h | 1 + 3 files changed, 41 insertions(+), 21 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c index 69c1fa7151d9..492f93b0db28 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c @@ -338,6 +338,7 @@ sun6i_csi_bridge_configure_mipi_csi2(struct sun6i_csi_device *csi_dev) static void sun6i_csi_bridge_configure_format(struct sun6i_csi_device *csi_dev) { struct regmap *regmap = csi_dev->regmap; + bool capture_streaming = csi_dev->capture.state.streaming; const struct sun6i_csi_bridge_format *bridge_format; const struct sun6i_csi_capture_format *capture_format; u32 mbus_code, field, pixelformat; @@ -353,26 +354,29 @@ static void sun6i_csi_bridge_configure_format(struct sun6i_csi_device *csi_dev) input_format = bridge_format->input_format; input_yuv_seq = bridge_format->input_yuv_seq; - sun6i_csi_capture_format(csi_dev, &pixelformat, NULL); + if (capture_streaming) { + sun6i_csi_capture_format(csi_dev, &pixelformat, NULL); - capture_format = sun6i_csi_capture_format_find(pixelformat); - if (WARN_ON(!capture_format)) - return; + capture_format = sun6i_csi_capture_format_find(pixelformat); + if (WARN_ON(!capture_format)) + return; - if (capture_format->input_format_raw) - input_format = SUN6I_CSI_INPUT_FMT_RAW; + if (capture_format->input_format_raw) + input_format = SUN6I_CSI_INPUT_FMT_RAW; - if (capture_format->input_yuv_seq_invert) - input_yuv_seq = bridge_format->input_yuv_seq_invert; + if (capture_format->input_yuv_seq_invert) + input_yuv_seq = bridge_format->input_yuv_seq_invert; - if (field == V4L2_FIELD_INTERLACED || - field == V4L2_FIELD_INTERLACED_TB || - field == V4L2_FIELD_INTERLACED_BT) - output_format = capture_format->output_format_field; - else - output_format = capture_format->output_format_frame; + if (field == V4L2_FIELD_INTERLACED || + field == V4L2_FIELD_INTERLACED_TB || + field == V4L2_FIELD_INTERLACED_BT) + output_format = capture_format->output_format_field; + else + output_format = capture_format->output_format_frame; + + value |= SUN6I_CSI_CH_CFG_OUTPUT_FMT(output_format); + } - value |= SUN6I_CSI_CH_CFG_OUTPUT_FMT(output_format); value |= SUN6I_CSI_CH_CFG_INPUT_FMT(input_format); value |= SUN6I_CSI_CH_CFG_INPUT_YUV_SEQ(input_yuv_seq); @@ -406,6 +410,7 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) struct sun6i_csi_device *csi_dev = v4l2_get_subdevdata(subdev); struct sun6i_csi_bridge *bridge = &csi_dev->bridge; struct media_pad *local_pad = &bridge->pads[SUN6I_CSI_BRIDGE_PAD_SINK]; + bool capture_streaming = csi_dev->capture.state.streaming; struct device *dev = csi_dev->dev; struct sun6i_csi_bridge_source *source; struct v4l2_subdev *source_subdev; @@ -447,15 +452,20 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) /* Configure */ sun6i_csi_bridge_configure(csi_dev, source); - sun6i_csi_capture_configure(csi_dev); + + if (capture_streaming) + sun6i_csi_capture_configure(csi_dev); /* State Update */ - sun6i_csi_capture_state_update(csi_dev); + if (capture_streaming) + sun6i_csi_capture_state_update(csi_dev); /* Enable */ - sun6i_csi_bridge_irq_enable(csi_dev); + if (capture_streaming) + sun6i_csi_bridge_irq_enable(csi_dev); + sun6i_csi_bridge_enable(csi_dev); ret = v4l2_subdev_call(source_subdev, video, s_stream, 1); @@ -465,7 +475,9 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) return 0; disable: - sun6i_csi_bridge_irq_disable(csi_dev); + if (capture_streaming) + sun6i_csi_bridge_irq_disable(csi_dev); + sun6i_csi_bridge_disable(csi_dev); pm_runtime_put(dev); diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c index 645ef01f32c5..708338c50b8b 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c @@ -616,13 +616,17 @@ static int sun6i_csi_capture_start_streaming(struct vb2_queue *queue, if (ret < 0) goto error_state; + state->streaming = true; + ret = v4l2_subdev_call(subdev, video, s_stream, 1); if (ret && ret != -ENOIOCTLCMD) - goto error_media_pipeline; + goto error_streaming; return 0; -error_media_pipeline: +error_streaming: + state->streaming = false; + video_device_pipeline_stop(video_dev); error_state: @@ -634,11 +638,14 @@ static int sun6i_csi_capture_start_streaming(struct vb2_queue *queue, static void sun6i_csi_capture_stop_streaming(struct vb2_queue *queue) { struct sun6i_csi_device *csi_dev = vb2_get_drv_priv(queue); + struct sun6i_csi_capture_state *state = &csi_dev->capture.state; struct video_device *video_dev = &csi_dev->capture.video_dev; struct v4l2_subdev *subdev = &csi_dev->bridge.subdev; v4l2_subdev_call(subdev, video, s_stream, 0); + state->streaming = false; + video_device_pipeline_stop(video_dev); sun6i_csi_capture_state_cleanup(csi_dev, true); diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h index ceceb030aef6..29893cf96f6b 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h @@ -44,6 +44,7 @@ struct sun6i_csi_capture_state { struct sun6i_csi_buffer *complete; unsigned int sequence; + bool streaming; }; struct sun6i_csi_capture {