From patchwork Fri May 3 15:51:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101470 Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vCf-0007wW-2Q for patchwork@linuxtv.org; Fri, 03 May 2024 15:52:06 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 592E3286AE4 for ; Fri, 3 May 2024 15:52:05 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7BB82155351; Fri, 3 May 2024 15:51:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="So8JAQvo" X-Original-To: linux-media@vger.kernel.org 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 A1142155312; Fri, 3 May 2024 15:51:49 +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=1714751511; cv=none; b=ai8RQA67SxGZ88bE4EnnuGOPeojgYcM8zN2gnFlWBORxWFVQBmDWJ5rasoR5czKhqwqT0s7efW+3E9fYxKg3AvsWwQnMIileBXtWOqydzA2Vu2oowbUpjYlNYBuaL5hs7fbjDrKhCtZrWksp6Eg1c5j0None2OTdYlIGw/7mMVs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714751511; c=relaxed/simple; bh=Ho878wuw/DukuUkY4lCGGSGjZ7Zs6iFx6Zht8O1shkM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LYM25rdRfnXxjwle6MzWFx6UtwOxOf63Hd69t8BWyjJrDWjtBTeaRegzeaOUKUdt/Odkb7RSQEXQqINRGhLGFwcUbTiy7g7EZwTmw3yCeY+2slHuJ18A2e4BCrF1Ac4FkTtD9fOfnwCDRAbBp5eWSkMOEv0k3Oc/lcoc1PMmaiw= 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=So8JAQvo; 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 Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id AF8F7F8B; Fri, 3 May 2024 17:50:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751449; bh=Ho878wuw/DukuUkY4lCGGSGjZ7Zs6iFx6Zht8O1shkM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=So8JAQvovpUF7u6YhhyelYOcBTffXFhR4XGFZExeurErNHapRsPl/jeHOlPKOrfF4 oOJNtSmPA7bPhk6zeHrPJNaSX1I+pJLPdMzXMimcaQ305emARt1+1vuKpsMBFM5XJ1 YUqGzIlA9m2/1yAGcfM9PD2dD75gvPutOLiHpab4= 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 01/11] media: rcar-vin: Fix YUYV8_1X16 handling for CSI-2 Date: Fri, 3 May 2024 17:51:16 +0200 Message-ID: <20240503155127.105235-2-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 X-LSpam-Score: -4.9 (----) X-LSpam-Report: No, score=-4.9 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no The YUYV8_1X16 and UYVY8_1X16 formats are treated as 'ITU-R BT.601/BT.1358 16-bit YCbCr-422 input' (YUV16 - 0x5) in the R-Car VIN driver and are thus disallowed when capturing frames from the R-Car CSI-2 interface according to the hardware manual. As the 1X16 format variants are meant to be used with serial busses they have to be treated as 'YCbCr-422 8-bit data input' (0x1) when capturing from CSI-2, which is a valid setting for CSI-2. Commit 78b3f9d75a62 ("media: rcar-vin: Add check that input interface and format are valid") disallowed capturing YUV16 when using the CSI-2 interface. Fix this by using YUV8_BT601 for YCbCr422 when CSI-2 is in use. Fixes: 78b3f9d75a62 ("media: rcar-vin: Add check that input interface and format are valid") Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- .../media/platform/renesas/rcar-vin/rcar-dma.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c index e2c40abc6d3d..21d5b2815e86 100644 --- a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c @@ -742,12 +742,22 @@ static int rvin_setup(struct rvin_dev *vin) */ switch (vin->mbus_code) { case MEDIA_BUS_FMT_YUYV8_1X16: - /* BT.601/BT.1358 16bit YCbCr422 */ - vnmc |= VNMC_INF_YUV16; + if (vin->is_csi) + /* YCbCr422 8-bit */ + vnmc |= VNMC_INF_YUV8_BT601; + else + /* BT.601/BT.1358 16bit YCbCr422 */ + vnmc |= VNMC_INF_YUV16; input_is_yuv = true; break; case MEDIA_BUS_FMT_UYVY8_1X16: - vnmc |= VNMC_INF_YUV16 | VNMC_YCAL; + if (vin->is_csi) + /* YCbCr422 8-bit */ + vnmc |= VNMC_INF_YUV8_BT601; + else + /* BT.601/BT.1358 16bit YCbCr422 */ + vnmc |= VNMC_INF_YUV16; + vnmc |= VNMC_YCAL; input_is_yuv = true; break; case MEDIA_BUS_FMT_UYVY8_2X8: From patchwork Fri May 3 15:51:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101471 Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vCk-0007x2-24 for patchwork@linuxtv.org; Fri, 03 May 2024 15:52:11 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 0AF23286A97 for ; Fri, 3 May 2024 15:52:10 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 42ED315534C; 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s=mail; t=1714751449; bh=uua2YW/OTP+DjC+ZqmPo86qa90hBBmkXrVbdXxS7kAI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L971IzXilyf54NCaOS+6wvP42lPkHySvlORJy99NWDMc6HiBjP/aq7z5Vr3gZn+w1 37ScMKiqXF/4PvCREr5/kx6GibzjL4u3GyYxhKUAG1Y0n8lpdP64VCqQ6NbW2Vt+Lm i/paR3vl70g6b32dbxvbVnWk6J1XQReJEB9T/IM8= 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 02/11] media: rcar-csi2: Disable runtime_pm in probe error Date: Fri, 3 May 2024 17:51:17 +0200 Message-ID: <20240503155127.105235-3-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 X-LSpam-Score: -4.9 (----) X-LSpam-Report: No, score=-4.9 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no Disable pm_runtime in the probe() function error path. Fixes: 769afd212b16 ("media: rcar-csi2: add Renesas R-Car MIPI CSI-2 receiver driver") Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- drivers/media/platform/renesas/rcar-csi2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/renesas/rcar-csi2.c b/drivers/media/platform/renesas/rcar-csi2.c index 582d5e35db0e..249e58c77176 100644 --- a/drivers/media/platform/renesas/rcar-csi2.c +++ b/drivers/media/platform/renesas/rcar-csi2.c @@ -1914,12 +1914,14 @@ static int rcsi2_probe(struct platform_device *pdev) ret = v4l2_async_register_subdev(&priv->subdev); if (ret < 0) - goto error_async; + goto error_pm_runtime; dev_info(priv->dev, "%d lanes found\n", priv->lanes); return 0; +error_pm_runtime: + pm_runtime_disable(&pdev->dev); error_async: v4l2_async_nf_unregister(&priv->notifier); v4l2_async_nf_cleanup(&priv->notifier); From patchwork Fri May 3 15:51:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101472 Received: from ny.mirrors.kernel.org ([147.75.199.223]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vCo-0007xH-03 for patchwork@linuxtv.org; 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dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id DED501D1C; Fri, 3 May 2024 17:50:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751450; bh=tnsiy7HAH9DRJXcllyBthm34R+12lZ1pSgK3Q1x1+o0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pKbA/ok0ryz57LbBxDdDGfbyJoSW/k4qO6CzzE+44DZiTcUiKw7ErPYK5NqmoKlf+ VA9rQ1M7c+Q46/JdYxq93en1lhBD1ZgIUgjU7Zn/8oQcVwe8c14wYsB2iYoTWUiIUZ ps/5+77EO+01eQpYUSVcpYkelJ0ebHIgxT1WWG0w= 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 03/11] media: rcar-csi2: Cleanup subdevice in remove() Date: Fri, 3 May 2024 17:51:18 +0200 Message-ID: <20240503155127.105235-4-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 X-LSpam-Score: -2.6 (--) X-LSpam-Report: No, score=-2.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no Cleanup the V4L2 subdevice in the driver's remove function to ensure its async connection are freed, and guarantee in future that the subdev active state is cleaned up. Fixes: 769afd212b16 ("media: rcar-csi2: add Renesas R-Car MIPI CSI-2 receiver driver") Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- drivers/media/platform/renesas/rcar-csi2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/renesas/rcar-csi2.c b/drivers/media/platform/renesas/rcar-csi2.c index 249e58c77176..2d464e43a5be 100644 --- a/drivers/media/platform/renesas/rcar-csi2.c +++ b/drivers/media/platform/renesas/rcar-csi2.c @@ -1938,6 +1938,7 @@ static void rcsi2_remove(struct platform_device *pdev) v4l2_async_nf_unregister(&priv->notifier); v4l2_async_nf_cleanup(&priv->notifier); v4l2_async_unregister_subdev(&priv->subdev); + v4l2_subdev_cleanup(&priv->subdev); pm_runtime_disable(&pdev->dev); From patchwork Fri May 3 15:51:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101474 Received: from am.mirrors.kernel.org ([147.75.80.249]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vCt-0007xY-2Y for patchwork@linuxtv.org; 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dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 7C07425E9; Fri, 3 May 2024 17:50:50 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751450; bh=XsbQZU6wAkUA3NC/87b/hjIvZMgu/NW315wLgbH7pEU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LmIyBWuC1GYihEomAoaMRdGhJ2OVigbx07VIlBvPg9n41MR/JxxLRidFUjX4dx1w4 40y7s49wcok0LfTMxhP2UVCJvj30SSI7V5xpMfq1BoUQmRSjs4STzFWELZRKiVOo02 EDosBWKXDeMRSU4901vk4R+3Pj3AkEVuy1XyL0yw= 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 04/11] media: rcar-csi2: Use the subdev active state Date: Fri, 3 May 2024 17:51:19 +0200 Message-ID: <20240503155127.105235-5-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 X-LSpam-Score: -2.6 (--) X-LSpam-Report: No, score=-2.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no Create the subdevice state with v4l2_subdev_init_finalize() and implement the init_state() operation to guarantee the state is initialized. Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- drivers/media/platform/renesas/rcar-csi2.c | 138 +++++++++++---------- 1 file changed, 75 insertions(+), 63 deletions(-) diff --git a/drivers/media/platform/renesas/rcar-csi2.c b/drivers/media/platform/renesas/rcar-csi2.c index 2d464e43a5be..4d4dfb59b025 100644 --- a/drivers/media/platform/renesas/rcar-csi2.c +++ b/drivers/media/platform/renesas/rcar-csi2.c @@ -587,7 +587,8 @@ enum rcar_csi2_pads { struct rcar_csi2_info { int (*init_phtw)(struct rcar_csi2 *priv, unsigned int mbps); int (*phy_post_init)(struct rcar_csi2 *priv); - int (*start_receiver)(struct rcar_csi2 *priv); + int (*start_receiver)(struct rcar_csi2 *priv, + struct v4l2_subdev_state *state); void (*enter_standby)(struct rcar_csi2 *priv); const struct rcsi2_mbps_reg *hsfreqrange; unsigned int csi0clkfreqrange; @@ -613,8 +614,6 @@ struct rcar_csi2 { int channel_vc[4]; - struct mutex lock; /* Protects mf and stream_count. */ - struct v4l2_mbus_framefmt mf; int stream_count; bool cphy; @@ -808,20 +807,25 @@ static int rcsi2_get_active_lanes(struct rcar_csi2 *priv, return 0; } -static int rcsi2_start_receiver_gen3(struct rcar_csi2 *priv) +static int rcsi2_start_receiver_gen3(struct rcar_csi2 *priv, + struct v4l2_subdev_state *state) { const struct rcar_csi2_format *format; u32 phycnt, vcdt = 0, vcdt2 = 0, fld = 0; + struct v4l2_mbus_framefmt *fmt; unsigned int lanes; unsigned int i; int mbps, ret; + /* Use the format on the sink pad to compute the receiver config. */ + fmt = v4l2_subdev_state_get_format(state, RCAR_CSI2_SINK); + dev_dbg(priv->dev, "Input size (%ux%u%c)\n", - priv->mf.width, priv->mf.height, - priv->mf.field == V4L2_FIELD_NONE ? 'p' : 'i'); + fmt->width, fmt->height, + fmt->field == V4L2_FIELD_NONE ? 'p' : 'i'); /* Code is validated in set_fmt. */ - format = rcsi2_code_to_fmt(priv->mf.code); + format = rcsi2_code_to_fmt(fmt->code); if (!format) return -EINVAL; @@ -849,11 +853,11 @@ static int rcsi2_start_receiver_gen3(struct rcar_csi2 *priv) vcdt2 |= vcdt_part << ((i % 2) * 16); } - if (priv->mf.field == V4L2_FIELD_ALTERNATE) { + if (fmt->field == V4L2_FIELD_ALTERNATE) { fld = FLD_DET_SEL(1) | FLD_FLD_EN4 | FLD_FLD_EN3 | FLD_FLD_EN2 | FLD_FLD_EN; - if (priv->mf.height == 240) + if (fmt->height == 240) fld |= FLD_FLD_NUM(0); else fld |= FLD_FLD_NUM(1); @@ -1049,15 +1053,18 @@ static int rcsi2_c_phy_setting_v4h(struct rcar_csi2 *priv, int msps) return 0; } -static int rcsi2_start_receiver_v4h(struct rcar_csi2 *priv) +static int rcsi2_start_receiver_v4h(struct rcar_csi2 *priv, + struct v4l2_subdev_state *state) { const struct rcar_csi2_format *format; + struct v4l2_mbus_framefmt *fmt; unsigned int lanes; int msps; int ret; - /* Calculate parameters */ - format = rcsi2_code_to_fmt(priv->mf.code); + /* Use the format on the sink pad to compute the receiver config. */ + fmt = v4l2_subdev_state_get_format(state, RCAR_CSI2_SINK); + format = rcsi2_code_to_fmt(fmt->code); if (!format) return -EINVAL; @@ -1114,7 +1121,7 @@ static int rcsi2_start_receiver_v4h(struct rcar_csi2 *priv) return 0; } -static int rcsi2_start(struct rcar_csi2 *priv) +static int rcsi2_start(struct rcar_csi2 *priv, struct v4l2_subdev_state *state) { int ret; @@ -1122,7 +1129,7 @@ static int rcsi2_start(struct rcar_csi2 *priv) if (ret < 0) return ret; - ret = priv->info->start_receiver(priv); + ret = priv->info->start_receiver(priv, state); if (ret) { rcsi2_enter_standby(priv); return ret; @@ -1146,17 +1153,16 @@ static void rcsi2_stop(struct rcar_csi2 *priv) static int rcsi2_s_stream(struct v4l2_subdev *sd, int enable) { struct rcar_csi2 *priv = sd_to_csi2(sd); + struct v4l2_subdev_state *state; int ret = 0; - mutex_lock(&priv->lock); + if (!priv->remote) + return -ENODEV; - if (!priv->remote) { - ret = -ENODEV; - goto out; - } + state = v4l2_subdev_lock_and_get_active_state(&priv->subdev); if (enable && priv->stream_count == 0) { - ret = rcsi2_start(priv); + ret = rcsi2_start(priv, state); if (ret) goto out; } else if (!enable && priv->stream_count == 1) { @@ -1165,49 +1171,26 @@ static int rcsi2_s_stream(struct v4l2_subdev *sd, int enable) priv->stream_count += enable ? 1 : -1; out: - mutex_unlock(&priv->lock); + v4l2_subdev_unlock_state(state); return ret; } static int rcsi2_set_pad_format(struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_state *state, struct v4l2_subdev_format *format) { - struct rcar_csi2 *priv = sd_to_csi2(sd); - struct v4l2_mbus_framefmt *framefmt; - - mutex_lock(&priv->lock); + if (format->pad > RCAR_CSI2_SINK) + return v4l2_subdev_get_fmt(sd, state, format); if (!rcsi2_code_to_fmt(format->format.code)) format->format.code = rcar_csi2_formats[0].code; - if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { - priv->mf = format->format; - } else { - framefmt = v4l2_subdev_state_get_format(sd_state, 0); - *framefmt = format->format; - } - - mutex_unlock(&priv->lock); - - return 0; -} - -static int rcsi2_get_pad_format(struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_format *format) -{ - struct rcar_csi2 *priv = sd_to_csi2(sd); - - mutex_lock(&priv->lock); - - if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) - format->format = priv->mf; - else - format->format = *v4l2_subdev_state_get_format(sd_state, 0); + *v4l2_subdev_state_get_format(state, format->pad) = format->format; - mutex_unlock(&priv->lock); + /* Propagate the format to the source pads. */ + for (unsigned int i = RCAR_CSI2_SOURCE_VC0; i < NR_OF_RCAR_CSI2_PAD; i++) + *v4l2_subdev_state_get_format(state, i) = format->format; return 0; } @@ -1218,7 +1201,7 @@ static const struct v4l2_subdev_video_ops rcar_csi2_video_ops = { static const struct v4l2_subdev_pad_ops rcar_csi2_pad_ops = { .set_fmt = rcsi2_set_pad_format, - .get_fmt = rcsi2_get_pad_format, + .get_fmt = v4l2_subdev_get_fmt, }; static const struct v4l2_subdev_ops rcar_csi2_subdev_ops = { @@ -1226,6 +1209,30 @@ static const struct v4l2_subdev_ops rcar_csi2_subdev_ops = { .pad = &rcar_csi2_pad_ops, }; +static int rcsi2_init_state(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state) +{ + static const struct v4l2_mbus_framefmt rcar_csi2_default_fmt = { + .width = 1920, + .height = 1080, + .code = MEDIA_BUS_FMT_RGB888_1X24, + .colorspace = V4L2_COLORSPACE_SRGB, + .field = V4L2_FIELD_NONE, + .ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT, + .quantization = V4L2_QUANTIZATION_DEFAULT, + .xfer_func = V4L2_XFER_FUNC_DEFAULT, + }; + + for (unsigned int i = RCAR_CSI2_SINK; i < NR_OF_RCAR_CSI2_PAD; i++) + *v4l2_subdev_state_get_format(state, i) = rcar_csi2_default_fmt; + + return 0; +} + +static const struct v4l2_subdev_internal_ops rcar_csi2_internal_ops = { + .init_state = rcsi2_init_state, +}; + static irqreturn_t rcsi2_irq(int irq, void *data) { struct rcar_csi2 *priv = data; @@ -1251,14 +1258,17 @@ static irqreturn_t rcsi2_irq(int irq, void *data) static irqreturn_t rcsi2_irq_thread(int irq, void *data) { + struct v4l2_subdev_state *state; struct rcar_csi2 *priv = data; - mutex_lock(&priv->lock); + state = v4l2_subdev_lock_and_get_active_state(&priv->subdev); + rcsi2_stop(priv); usleep_range(1000, 2000); - if (rcsi2_start(priv)) + if (rcsi2_start(priv, state)) dev_warn(priv->dev, "Failed to restart CSI-2 receiver\n"); - mutex_unlock(&priv->lock); + + v4l2_subdev_unlock_state(state); return IRQ_HANDLED; } @@ -1870,23 +1880,23 @@ static int rcsi2_probe(struct platform_device *pdev) priv->dev = &pdev->dev; - mutex_init(&priv->lock); priv->stream_count = 0; ret = rcsi2_probe_resources(priv, pdev); if (ret) { dev_err(priv->dev, "Failed to get resources\n"); - goto error_mutex; + return ret; } platform_set_drvdata(pdev, priv); ret = rcsi2_parse_dt(priv); if (ret) - goto error_mutex; + return ret; priv->subdev.owner = THIS_MODULE; priv->subdev.dev = &pdev->dev; + priv->subdev.internal_ops = &rcar_csi2_internal_ops; v4l2_subdev_init(&priv->subdev, &rcar_csi2_subdev_ops); v4l2_set_subdevdata(&priv->subdev, &pdev->dev); snprintf(priv->subdev.name, sizeof(priv->subdev.name), "%s %s", @@ -1912,21 +1922,25 @@ static int rcsi2_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); + ret = v4l2_subdev_init_finalize(&priv->subdev); + if (ret) + goto error_pm_runtime; + ret = v4l2_async_register_subdev(&priv->subdev); if (ret < 0) - goto error_pm_runtime; + goto error_subdev; dev_info(priv->dev, "%d lanes found\n", priv->lanes); return 0; +error_subdev: + v4l2_subdev_cleanup(&priv->subdev); error_pm_runtime: pm_runtime_disable(&pdev->dev); error_async: v4l2_async_nf_unregister(&priv->notifier); v4l2_async_nf_cleanup(&priv->notifier); -error_mutex: - mutex_destroy(&priv->lock); return ret; } @@ -1941,8 +1955,6 @@ static void rcsi2_remove(struct platform_device *pdev) v4l2_subdev_cleanup(&priv->subdev); pm_runtime_disable(&pdev->dev); - - mutex_destroy(&priv->lock); } static struct platform_driver rcar_csi2_pdrv = { From patchwork Fri May 3 15:51:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101473 Received: from ny.mirrors.kernel.org ([147.75.199.223]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vCt-0007xZ-1h for patchwork@linuxtv.org; 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dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 19D682A75; Fri, 3 May 2024 17:50:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751451; bh=VNrSEU545G/j+FFqmKEQoDeNoFO4pmkIyGtskHTtHlc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sTgXi5hMwAaAKcyp/EhEfU/o+uJ7K+N+hAZB3xJaRsUhmmeclwoOQGEVThpirioOA 0n25M4EfvmYepnk3aYG2ou6KTDpjHPWlIXOb746eouCSqIFVJXKq4NCdnYkP/MQ2ig vmNw47Mk67wKJ+IBNK42wdusLsWBgeNYHK6szQcE= 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 05/11] media: adv748x-csi2: Initialize subdev format Date: Fri, 3 May 2024 17:51:20 +0200 Message-ID: <20240503155127.105235-6-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 X-LSpam-Score: -2.6 (--) X-LSpam-Report: No, score=-2.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no Initialize the subdevice format to the default 1280x720 YUV 4:2:2. The subdevice format is propagated from the frontend (HDMI or AFE) to the CSI-2 tx, but it was not initialized during the CSI-2 tx registration. Use YUYV8 1280x720 as default format as it's supported by both TXes in all supported configurations (1, 2 or 4 CSI-2 lanes). Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- drivers/media/i2c/adv748x/adv748x-csi2.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c index 5b265b722394..9da7f6742a2b 100644 --- a/drivers/media/i2c/adv748x/adv748x-csi2.c +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c @@ -14,6 +14,13 @@ #include "adv748x.h" +static const struct v4l2_mbus_framefmt adv748x_csi2_default_fmt = { + .width = 1280, + .height = 720, + .code = MEDIA_BUS_FMT_YUYV8_1X16, + .field = V4L2_FIELD_NONE, +}; + int adv748x_csi2_set_virtual_channel(struct adv748x_csi2 *tx, unsigned int vc) { return tx_write(tx, ADV748X_CSI_VC_REF, vc << ADV748X_CSI_VC_REF_SHIFT); @@ -311,6 +318,8 @@ int adv748x_csi2_init(struct adv748x_state *state, struct adv748x_csi2 *tx) if (ret) return ret; + tx->format = adv748x_csi2_default_fmt; + ret = v4l2_async_subdev_endpoint_add(&tx->sd, of_fwnode_handle(state->endpoints[tx->port])); if (ret) From patchwork Fri May 3 15:51:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101475 Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vCv-0007xz-2D for patchwork@linuxtv.org; Fri, 03 May 2024 15:52:22 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 3B1C02869E0 for ; Fri, 3 May 2024 15:52:21 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8B599155320; Fri, 3 May 2024 15:52:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="gxVX7x/q" X-Original-To: linux-media@vger.kernel.org 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 CD8471552FE; 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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 Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id AADC22B09; Fri, 3 May 2024 17:50:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751452; bh=EB6QRFTTEdg6cY8xX5I5zPw/Fit3e0eJvYJpZEBReGI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gxVX7x/qGbE1eQ6EQfzJe2ChHCqTtGVS+ewIerXvx504fUXwGlurqxcy6Kfdu5gNr /19/KoU+XTemlocBCZIKuuIHlkza6pkIUwuEBrBjfCagf2wScZKWIKr5A67cXWJ9gr 162lXSzlB8CJZHhJtxKLV7KWskb53lD0aBH8C/vU= 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 06/11] media: adv748x-csi2: Implement enum_mbus_codes Date: Fri, 3 May 2024 17:51:21 +0200 Message-ID: <20240503155127.105235-7-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 X-LSpam-Score: -4.9 (----) X-LSpam-Report: No, score=-4.9 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no Define a list of supported mbus codes for the TXA and TXB CSI-2 transmitters and implement the enum_mbus_code operation. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/adv748x/adv748x-csi2.c | 35 ++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c index 9da7f6742a2b..219417b319a6 100644 --- a/drivers/media/i2c/adv748x/adv748x-csi2.c +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c @@ -21,6 +21,18 @@ static const struct v4l2_mbus_framefmt adv748x_csi2_default_fmt = { .field = V4L2_FIELD_NONE, }; +static const unsigned int adv748x_csi2_txa_fmts[] = { + MEDIA_BUS_FMT_YUYV8_1X16, + MEDIA_BUS_FMT_YUYV10_1X20, + MEDIA_BUS_FMT_RGB565_1X16, + MEDIA_BUS_FMT_RGB666_1X18, + MEDIA_BUS_FMT_RGB888_1X24, +}; + +static const unsigned int adv748x_csi2_txb_fmts[] = { + MEDIA_BUS_FMT_YUYV8_1X16, +}; + int adv748x_csi2_set_virtual_channel(struct adv748x_csi2 *tx, unsigned int vc) { return tx_write(tx, ADV748X_CSI_VC_REF, vc << ADV748X_CSI_VC_REF_SHIFT); @@ -146,6 +158,28 @@ static const struct v4l2_subdev_video_ops adv748x_csi2_video_ops = { * But we must support setting the pad formats for format propagation. */ +static int adv748x_csi2_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd); + const unsigned int *codes = is_txa(tx) ? + adv748x_csi2_txa_fmts : + adv748x_csi2_txb_fmts; + size_t num_fmts = is_txa(tx) ? ARRAY_SIZE(adv748x_csi2_txa_fmts) + : ARRAY_SIZE(adv748x_csi2_txb_fmts); + + if (code->pad != ADV748X_CSI2_SOURCE) + return -EINVAL; + + if (code->index >= num_fmts) + return -EINVAL; + + code->code = codes[code->index]; + + return 0; +} + static struct v4l2_mbus_framefmt * adv748x_csi2_get_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, @@ -235,6 +269,7 @@ static int adv748x_csi2_get_mbus_config(struct v4l2_subdev *sd, unsigned int pad } static const struct v4l2_subdev_pad_ops adv748x_csi2_pad_ops = { + .enum_mbus_code = adv748x_csi2_enum_mbus_code, .get_fmt = adv748x_csi2_get_format, .set_fmt = adv748x_csi2_set_format, .get_mbus_config = adv748x_csi2_get_mbus_config, From patchwork Fri May 3 15:51:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101476 Received: from am.mirrors.kernel.org ([147.75.80.249]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vD1-0007yY-0R for patchwork@linuxtv.org; 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dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 485162B62; Fri, 3 May 2024 17:50:52 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751452; bh=Gz0M0nqu3yOklZsJk36xaRu/xXa/Ykg3VGSD0UemLes=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=paMS8LEEZTCgCa8YIFgEC99l9AiDXIeWl2Q6GRXrMOxhQ7NDA6SpdKPw5N/yw2+Fz fjTxIPxa+m3kNTNubxMzzDGky4XNkO40ddSBfBo0SNAGT8NdOocoXZG2feJRe7jOWj 0OZ8oY+JDF9/AoYfryAt/zwDZWW76HVzMA5yLnko= 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 07/11] media: adv748x-csi2: Validate the image format Date: Fri, 3 May 2024 17:51:22 +0200 Message-ID: <20240503155127.105235-8-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 X-LSpam-Score: -2.6 (--) X-LSpam-Report: No, score=-2.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no The adv748x-csi2 driver configures the CSI-2 transmitter to automatically infer the image stream format from the connected frontend (HDMI or AFE). Setting a new format on the subdevice hence does not actually control the CSI-2 output format, but it's only there for the purpose of pipeline validation. However, there is currently no validation that the supplied media bus code is valid and supported by the device. With the introduction of enum_mbus_codes a list of supported format is now available, use it to validate that the supplied format is correct and use the default YUYV8 one if that's not the case. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/adv748x/adv748x-csi2.c | 27 +++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c index 219417b319a6..1aae6467ca62 100644 --- a/drivers/media/i2c/adv748x/adv748x-csi2.c +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c @@ -215,6 +215,23 @@ static int adv748x_csi2_get_format(struct v4l2_subdev *sd, return 0; } +static int adv748x_csi2_is_fmt_supported(struct adv748x_csi2 *tx, + unsigned int code) +{ + const unsigned int *codes = is_txa(tx) ? + adv748x_csi2_txa_fmts : + adv748x_csi2_txb_fmts; + size_t num_fmts = is_txa(tx) ? ARRAY_SIZE(adv748x_csi2_txa_fmts) + : ARRAY_SIZE(adv748x_csi2_txb_fmts); + + for (unsigned int i = 0; i < num_fmts; i++) { + if (codes[i] == code) + return 0; + } + + return -EINVAL; +} + static int adv748x_csi2_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *sdformat) @@ -222,7 +239,15 @@ static int adv748x_csi2_set_format(struct v4l2_subdev *sd, struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd); struct adv748x_state *state = tx->state; struct v4l2_mbus_framefmt *mbusformat; - int ret = 0; + int ret; + + /* + * Make sure the format is supported, if not default it to + * YUYV8 as it's supported by both TXes. + */ + ret = adv748x_csi2_is_fmt_supported(tx, sdformat->format.code); + if (ret) + sdformat->format.code = MEDIA_BUS_FMT_YUYV8_1X16; mbusformat = adv748x_csi2_get_pad_format(sd, sd_state, sdformat->pad, sdformat->which); From patchwork Fri May 3 15:51:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101477 Received: from am.mirrors.kernel.org ([147.75.80.249]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vD3-0007z4-2K for patchwork@linuxtv.org; 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dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id D97582CAC; Fri, 3 May 2024 17:50:52 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751453; bh=dUT74LS8NhsKAzuogwPhj2gYEWno1yk+JSGxB1/s2GY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ipEHWdxQamHOWM3H4GCnexqGXKoievlGcxN5W6Fbu9HIic44ITW8Bp+u1aNVxmBYW Cbpxtbs3YQnfFZvOkskIWVfmQe19S31xoP36urS++ybFR6l4crF6SNLtQx0D6vggjj zICe95F4LGKgbnG89sYqs3HEw95QafGz8Iy65rxc= 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 08/11] media: adv748x-csi2: Use the subdev active state Date: Fri, 3 May 2024 17:51:23 +0200 Message-ID: <20240503155127.105235-9-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 X-LSpam-Score: -2.6 (--) X-LSpam-Report: No, score=-2.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no Initialize and use the subdev active state to store the subdevice format. This simplifies the implementation of the get_fmt and set_fmt pad operations. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/adv748x/adv748x-csi2.c | 114 ++++++++--------------- drivers/media/i2c/adv748x/adv748x.h | 1 - 2 files changed, 41 insertions(+), 74 deletions(-) diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c index 1aae6467ca62..15a77387b32e 100644 --- a/drivers/media/i2c/adv748x/adv748x-csi2.c +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c @@ -6,7 +6,6 @@ */ #include -#include #include #include @@ -14,13 +13,6 @@ #include "adv748x.h" -static const struct v4l2_mbus_framefmt adv748x_csi2_default_fmt = { - .width = 1280, - .height = 720, - .code = MEDIA_BUS_FMT_YUYV8_1X16, - .field = V4L2_FIELD_NONE, -}; - static const unsigned int adv748x_csi2_txa_fmts[] = { MEDIA_BUS_FMT_YUYV8_1X16, MEDIA_BUS_FMT_YUYV10_1X20, @@ -78,7 +70,32 @@ static int adv748x_csi2_register_link(struct adv748x_csi2 *tx, /* ----------------------------------------------------------------------------- * v4l2_subdev_internal_ops - * + */ + +static int adv748x_csi2_init_state(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state) +{ + static const struct v4l2_mbus_framefmt adv748x_csi2_default_fmt = { + .width = 1280, + .height = 720, + .code = MEDIA_BUS_FMT_YUYV8_1X16, + .colorspace = V4L2_COLORSPACE_SRGB, + .field = V4L2_FIELD_NONE, + .ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT, + .quantization = V4L2_QUANTIZATION_DEFAULT, + .xfer_func = V4L2_XFER_FUNC_DEFAULT, + }; + struct v4l2_mbus_framefmt *fmt; + + fmt = v4l2_subdev_state_get_format(state, ADV748X_CSI2_SINK); + *fmt = adv748x_csi2_default_fmt; + + *v4l2_subdev_state_get_format(state, ADV748X_CSI2_SOURCE) = *fmt; + + return 0; +} + +/* * We use the internal registered operation to be able to ensure that our * incremental subdevices (not connected in the forward path) can be registered * against the resulting video path and media device. @@ -128,6 +145,7 @@ static int adv748x_csi2_registered(struct v4l2_subdev *sd) } static const struct v4l2_subdev_internal_ops adv748x_csi2_internal_ops = { + .init_state = adv748x_csi2_init_state, .registered = adv748x_csi2_registered, }; @@ -180,41 +198,6 @@ static int adv748x_csi2_enum_mbus_code(struct v4l2_subdev *sd, return 0; } -static struct v4l2_mbus_framefmt * -adv748x_csi2_get_pad_format(struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, - unsigned int pad, u32 which) -{ - struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd); - - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_state_get_format(sd_state, pad); - - return &tx->format; -} - -static int adv748x_csi2_get_format(struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_format *sdformat) -{ - struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd); - struct adv748x_state *state = tx->state; - struct v4l2_mbus_framefmt *mbusformat; - - mbusformat = adv748x_csi2_get_pad_format(sd, sd_state, sdformat->pad, - sdformat->which); - if (!mbusformat) - return -EINVAL; - - mutex_lock(&state->mutex); - - sdformat->format = *mbusformat; - - mutex_unlock(&state->mutex); - - return 0; -} - static int adv748x_csi2_is_fmt_supported(struct adv748x_csi2 *tx, unsigned int code) { @@ -237,10 +220,12 @@ static int adv748x_csi2_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_format *sdformat) { struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd); - struct adv748x_state *state = tx->state; struct v4l2_mbus_framefmt *mbusformat; int ret; + if (sdformat->pad == ADV748X_CSI2_SOURCE) + return v4l2_subdev_get_fmt(sd, sd_state, sdformat); + /* * Make sure the format is supported, if not default it to * YUYV8 as it's supported by both TXes. @@ -249,34 +234,14 @@ static int adv748x_csi2_set_format(struct v4l2_subdev *sd, if (ret) sdformat->format.code = MEDIA_BUS_FMT_YUYV8_1X16; - mbusformat = adv748x_csi2_get_pad_format(sd, sd_state, sdformat->pad, - sdformat->which); - if (!mbusformat) - return -EINVAL; - - mutex_lock(&state->mutex); - - if (sdformat->pad == ADV748X_CSI2_SOURCE) { - const struct v4l2_mbus_framefmt *sink_fmt; - - sink_fmt = adv748x_csi2_get_pad_format(sd, sd_state, - ADV748X_CSI2_SINK, - sdformat->which); - - if (!sink_fmt) { - ret = -EINVAL; - goto unlock; - } - - sdformat->format = *sink_fmt; - } - + mbusformat = v4l2_subdev_state_get_format(sd_state, sdformat->pad); *mbusformat = sdformat->format; -unlock: - mutex_unlock(&state->mutex); + /* Propagate format to the source pad. */ + mbusformat = v4l2_subdev_state_get_format(sd_state, ADV748X_CSI2_SOURCE); + *mbusformat = sdformat->format; - return ret; + return 0; } static int adv748x_csi2_get_mbus_config(struct v4l2_subdev *sd, unsigned int pad, @@ -295,7 +260,7 @@ static int adv748x_csi2_get_mbus_config(struct v4l2_subdev *sd, unsigned int pad static const struct v4l2_subdev_pad_ops adv748x_csi2_pad_ops = { .enum_mbus_code = adv748x_csi2_enum_mbus_code, - .get_fmt = adv748x_csi2_get_format, + .get_fmt = v4l2_subdev_get_fmt, .set_fmt = adv748x_csi2_set_format, .get_mbus_config = adv748x_csi2_get_mbus_config, }; @@ -378,8 +343,6 @@ int adv748x_csi2_init(struct adv748x_state *state, struct adv748x_csi2 *tx) if (ret) return ret; - tx->format = adv748x_csi2_default_fmt; - ret = v4l2_async_subdev_endpoint_add(&tx->sd, of_fwnode_handle(state->endpoints[tx->port])); if (ret) @@ -389,6 +352,11 @@ int adv748x_csi2_init(struct adv748x_state *state, struct adv748x_csi2 *tx) if (ret) goto err_cleanup_subdev; + tx->sd.state_lock = &state->mutex; + ret = v4l2_subdev_init_finalize(&tx->sd); + if (ret) + goto err_free_ctrl; + ret = v4l2_async_register_subdev(&tx->sd); if (ret) goto err_free_ctrl; diff --git a/drivers/media/i2c/adv748x/adv748x.h b/drivers/media/i2c/adv748x/adv748x.h index d2b5e722e997..9bc0121d0eff 100644 --- a/drivers/media/i2c/adv748x/adv748x.h +++ b/drivers/media/i2c/adv748x/adv748x.h @@ -75,7 +75,6 @@ enum adv748x_csi2_pads { struct adv748x_csi2 { struct adv748x_state *state; - struct v4l2_mbus_framefmt format; unsigned int page; unsigned int port; unsigned int num_lanes; From patchwork Fri May 3 15:51:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101478 Received: from ny.mirrors.kernel.org ([147.75.199.223]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vD5-0007z6-2q for patchwork@linuxtv.org; Fri, 03 May 2024 15:52:32 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id C25B81C225E3 for ; 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Fri, 3 May 2024 17:50:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751454; bh=u8vcWdyEa7xSXQUG0zdkGlvRKzIbk6JGMtb7SAxNm80=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jLd9K0DNya7umuah3R+ousgpfHHk75g9lDjINv3HBPkOuVTEG5oo+/JLSnrYGSxu6 nRmJJGkyX6+B+D+1LLw9S/dspbEvOkHuO6MF1xw/VFfN+9M8yakpEVtCjAAaCjp5Tl Vj8ww6mpczhLRlMdQUj+rAQukzhh+1UqZe0hAYJk= 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 09/11] media: max9286: Fix enum_mbus_code Date: Fri, 3 May 2024 17:51:24 +0200 Message-ID: <20240503155127.105235-10-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 X-LSpam-Score: -2.6 (--) X-LSpam-Report: No, score=-2.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no The max9286 driver supports multiple output formats but only a single one is reported through the .enum_mbus_code operation. Fix that. Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- drivers/media/i2c/max9286.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c index d685d445cf23..5321238cad60 100644 --- a/drivers/media/i2c/max9286.c +++ b/drivers/media/i2c/max9286.c @@ -914,10 +914,10 @@ static int max9286_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { - if (code->pad || code->index > 0) + if (code->pad || code->index >= ARRAY_SIZE(max9286_formats)) return -EINVAL; - code->code = MEDIA_BUS_FMT_UYVY8_1X16; + code->code = max9286_formats[code->index].code; return 0; } From patchwork Fri May 3 15:51:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 101479 Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vD6-0007zN-29 for patchwork@linuxtv.org; 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dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id C689CE45; Fri, 3 May 2024 17:50:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714751455; bh=KkXMHoncjS8RK3DP1nYhdytwh74mROwMFHh5g0DsJxo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J9QhhqpSW6QoWq8ynKH78J/L2k/BnFpjrn0Hi7p6LT5kMyT4wPRHZoKSHx+ZoKhVJ RHg/AVL1MCRdavH+3IQfSMMoTQFBkToAxTfPayRcS0gd40XYgidqlE+shAEY52UyNX wZrF30Zi/gdqlBHNarpQ1lj6nu79aMQpkeglEWLg= 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 10/11] media: max9286: Use the subdev active state Date: Fri, 3 May 2024 17:51:25 +0200 Message-ID: <20240503155127.105235-11-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 X-LSpam-Score: -4.9 (----) X-LSpam-Report: No, score=-4.9 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no Use the subdev active state in the max9286 driver to store the image format. Replace the .open() function call with the .init_state() one and simplify the set/get_pad_fmt() operations. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/max9286.c | 131 +++++++++++++----------------------- 1 file changed, 46 insertions(+), 85 deletions(-) diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c index 5321238cad60..cc7ee35560fc 100644 --- a/drivers/media/i2c/max9286.c +++ b/drivers/media/i2c/max9286.c @@ -19,7 +19,6 @@ #include #include #include -#include #include #include #include @@ -198,12 +197,8 @@ struct max9286_priv { struct v4l2_ctrl *pixelrate_ctrl; unsigned int pixelrate; - struct v4l2_mbus_framefmt fmt[MAX9286_N_SINKS]; struct v4l2_fract interval; - /* Protects controls and fmt structures */ - struct mutex mutex; - unsigned int nsources; unsigned int source_mask; unsigned int route_mask; @@ -788,19 +783,22 @@ static void max9286_v4l2_notifier_unregister(struct max9286_priv *priv) static int max9286_s_stream(struct v4l2_subdev *sd, int enable) { struct max9286_priv *priv = sd_to_max9286(sd); + struct v4l2_subdev_state *state; struct max9286_source *source; unsigned int i; bool sync = false; - int ret; + int ret = 0; + + state = v4l2_subdev_lock_and_get_active_state(sd); if (enable) { const struct v4l2_mbus_framefmt *format; /* - * Get the format from the first used sink pad, as all sink - * formats must be identical. + * Get the format from the source pad, as all formats must be + * identical. */ - format = &priv->fmt[__ffs(priv->bound_sources)]; + format = v4l2_subdev_state_get_format(state, MAX9286_SRC_PAD); max9286_set_video_format(priv, format); max9286_set_fsync_period(priv); @@ -816,12 +814,12 @@ static int max9286_s_stream(struct v4l2_subdev *sd, int enable) for_each_source(priv, source) { ret = v4l2_subdev_call(source->sd, video, s_stream, 1); if (ret) - return ret; + goto unlock; } ret = max9286_check_video_links(priv); if (ret) - return ret; + goto unlock; /* * Wait until frame synchronization is locked. @@ -842,7 +840,8 @@ static int max9286_s_stream(struct v4l2_subdev *sd, int enable) if (!sync) { dev_err(&priv->client->dev, "Failed to get frame synchronization\n"); - return -EXDEV; /* Invalid cross-device link */ + ret = -EXDEV; /* Invalid cross-device link */ + goto unlock; } /* @@ -865,7 +864,10 @@ static int max9286_s_stream(struct v4l2_subdev *sd, int enable) max9286_i2c_mux_close(priv); } - return 0; +unlock: + v4l2_subdev_unlock_state(state); + + return ret; } static int max9286_get_frame_interval(struct v4l2_subdev *sd, @@ -922,31 +924,20 @@ static int max9286_enum_mbus_code(struct v4l2_subdev *sd, return 0; } -static struct v4l2_mbus_framefmt * -max9286_get_pad_format(struct max9286_priv *priv, - struct v4l2_subdev_state *sd_state, - unsigned int pad, u32 which) -{ - switch (which) { - case V4L2_SUBDEV_FORMAT_TRY: - return v4l2_subdev_state_get_format(sd_state, pad); - case V4L2_SUBDEV_FORMAT_ACTIVE: - return &priv->fmt[pad]; - default: - return NULL; - } -} - static int max9286_set_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_state *state, struct v4l2_subdev_format *format) { struct max9286_priv *priv = sd_to_max9286(sd); - struct v4l2_mbus_framefmt *cfg_fmt; + unsigned int pad; unsigned int i; + /* + * Disable setting format on the source pad: format is propagated + * from the sinks. + */ if (format->pad == MAX9286_SRC_PAD) - return -EINVAL; + return v4l2_subdev_get_fmt(sd, state, format); /* Validate the format. */ for (i = 0; i < ARRAY_SIZE(max9286_formats); ++i) { @@ -957,42 +948,16 @@ static int max9286_set_fmt(struct v4l2_subdev *sd, if (i == ARRAY_SIZE(max9286_formats)) format->format.code = max9286_formats[0].code; - cfg_fmt = max9286_get_pad_format(priv, sd_state, format->pad, - format->which); - if (!cfg_fmt) - return -EINVAL; - - mutex_lock(&priv->mutex); - *cfg_fmt = format->format; - mutex_unlock(&priv->mutex); - - return 0; -} - -static int max9286_get_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_format *format) -{ - struct max9286_priv *priv = sd_to_max9286(sd); - struct v4l2_mbus_framefmt *cfg_fmt; - unsigned int pad = format->pad; + *v4l2_subdev_state_get_format(state, format->pad) = format->format; /* - * Multiplexed Stream Support: Support link validation by returning the - * format of the first bound link. All links must have the same format, - * as we do not support mixing and matching of cameras connected to the - * max9286. + * Apply the same format on the source pad. As all links must have the + * same format we do so only when the first source format is set. */ - if (pad == MAX9286_SRC_PAD) - pad = __ffs(priv->bound_sources); - - cfg_fmt = max9286_get_pad_format(priv, sd_state, pad, format->which); - if (!cfg_fmt) - return -EINVAL; - - mutex_lock(&priv->mutex); - format->format = *cfg_fmt; - mutex_unlock(&priv->mutex); + pad = __ffs(priv->bound_sources); + if (pad == format->pad) + *v4l2_subdev_state_get_format(state, + MAX9286_SRC_PAD) = format->format; return 0; } @@ -1003,7 +968,7 @@ static const struct v4l2_subdev_video_ops max9286_video_ops = { static const struct v4l2_subdev_pad_ops max9286_pad_ops = { .enum_mbus_code = max9286_enum_mbus_code, - .get_fmt = max9286_get_fmt, + .get_fmt = v4l2_subdev_get_fmt, .set_fmt = max9286_set_fmt, .get_frame_interval = max9286_get_frame_interval, .set_frame_interval = max9286_set_frame_interval, @@ -1025,26 +990,20 @@ static const struct v4l2_mbus_framefmt max9286_default_format = { .xfer_func = V4L2_XFER_FUNC_DEFAULT, }; -static void max9286_init_format(struct v4l2_mbus_framefmt *fmt) -{ - *fmt = max9286_default_format; -} - -static int max9286_open(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh) +static int max9286_init_state(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state) { - struct v4l2_mbus_framefmt *format; - unsigned int i; + for (unsigned int i = 0; i < MAX9286_N_SINKS; i++) + *v4l2_subdev_state_get_format(state, i) = max9286_default_format; - for (i = 0; i < MAX9286_N_SINKS; i++) { - format = v4l2_subdev_state_get_format(fh->state, i); - max9286_init_format(format); - } + *v4l2_subdev_state_get_format(state, + MAX9286_SRC_PAD) = max9286_default_format; return 0; } static const struct v4l2_subdev_internal_ops max9286_subdev_internal_ops = { - .open = max9286_open, + .init_state = max9286_init_state, }; static const struct media_entity_operations max9286_media_ops = { @@ -1079,10 +1038,6 @@ static int max9286_v4l2_register(struct max9286_priv *priv) } /* Configure V4L2 for the MAX9286 itself */ - - for (i = 0; i < MAX9286_N_SINKS; i++) - max9286_init_format(&priv->fmt[i]); - v4l2_i2c_subdev_init(&priv->sd, priv->client, &max9286_subdev_ops); priv->sd.internal_ops = &max9286_subdev_internal_ops; priv->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; @@ -1109,14 +1064,21 @@ static int max9286_v4l2_register(struct max9286_priv *priv) if (ret) goto err_async; + priv->sd.state_lock = priv->ctrls.lock; + ret = v4l2_subdev_init_finalize(&priv->sd); + if (ret) + goto err_async; + ret = v4l2_async_register_subdev(&priv->sd); if (ret < 0) { dev_err(dev, "Unable to register subdevice\n"); - goto err_async; + goto err_subdev; } return 0; +err_subdev: + v4l2_subdev_cleanup(&priv->sd); err_async: v4l2_ctrl_handler_free(&priv->ctrls); max9286_v4l2_notifier_unregister(priv); @@ -1126,6 +1088,7 @@ static int max9286_v4l2_register(struct max9286_priv *priv) static void max9286_v4l2_unregister(struct max9286_priv *priv) { + v4l2_subdev_cleanup(&priv->sd); v4l2_ctrl_handler_free(&priv->ctrls); v4l2_async_unregister_subdev(&priv->sd); max9286_v4l2_notifier_unregister(priv); @@ -1629,8 +1592,6 @@ static int max9286_probe(struct i2c_client *client) if (!priv) return -ENOMEM; - mutex_init(&priv->mutex); - priv->client = client; /* GPIO values default to high */ 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: 101480 Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s2vD9-0007zx-1v for patchwork@linuxtv.org; Fri, 03 May 2024 15:52:36 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 308F9286B0E for ; Fri, 3 May 2024 15:52:35 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3E96115533F; 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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 X-LSpam-Score: -4.9 (----) X-LSpam-Report: No, score=-4.9 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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)