From patchwork Tue Jun 14 19:11:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Elder X-Patchwork-Id: 12881480 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 EF934C43334 for ; Tue, 14 Jun 2022 19:14:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357853AbiFNTO5 (ORCPT ); Tue, 14 Jun 2022 15:14:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357829AbiFNTO4 (ORCPT ); Tue, 14 Jun 2022 15:14:56 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4F65764E for ; Tue, 14 Jun 2022 12:14:55 -0700 (PDT) Received: from pyrite.rasen.tech (softbank036240126034.bbtec.net [36.240.126.34]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 43A4B825; Tue, 14 Jun 2022 21:14:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1655234094; bh=EG0U4nHqxwGlJmaOm9q7pgjmOJ4qGSCMRWmGBWC+C8E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q86Xja8JKk2RFys5yEk+mzSSX1efewrDVQThh8bG/sO0zFE6ACbSfMU5E9wO0N9ZV VvqNCfBpTNGyBtsXdzWjTpTtG35+bQC8WHex2Uw1tP8/DCGGu7KQgiEa7uf1eJvCpm NecY0+H1wdgesO8NO2cHo5yl9iDjQzPyuYpCPiew= From: Paul Elder To: linux-media@vger.kernel.org Cc: Laurent Pinchart , dafna@fastmail.com, heiko@sntech.de, jeanmichel.hautbois@ideasonboard.com, jacopo@jmondi.org, djrscally@gmail.com, helen.koike@collabora.com, linux-rockchip@lists.infradead.org Subject: [PATCH 46/55] media: rkisp1: Make the internal CSI-2 receiver optional Date: Wed, 15 Jun 2022 04:11:18 +0900 Message-Id: <20220614191127.3420492-47-paul.elder@ideasonboard.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220614191127.3420492-1-paul.elder@ideasonboard.com> References: <20220614191127.3420492-1-paul.elder@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Laurent Pinchart Not all ISP versions integrate a MIPI CSI-2 receiver. Signed-off-by: Laurent Pinchart --- .../platform/rockchip/rkisp1/rkisp1-dev.c | 50 +++++++++++++------ 1 file changed, 34 insertions(+), 16 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c index 8ccd4042f3f3..62fa2bd275fe 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c @@ -195,6 +195,14 @@ static int rkisp1_subdev_notifier_register(struct rkisp1_device *rkisp1) switch (reg) { case 0: + /* MIPI CSI-2 port */ + if (!(rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2)) { + dev_err(rkisp1->dev, + "internal CSI must be available for port 0\n"); + ret = -EINVAL; + break; + } + vep.bus_type = V4L2_MBUS_CSI2_DPHY; break; @@ -320,13 +328,16 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1) unsigned int i; int ret; - /* Link the CSI receiver to the ISP. */ - ret = media_create_pad_link(&rkisp1->csi.sd.entity, RKISP1_CSI_PAD_SRC, - &rkisp1->isp.sd.entity, - RKISP1_ISP_PAD_SINK_VIDEO, - MEDIA_LNK_FL_ENABLED); - if (ret) - return ret; + if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2) { + /* Link the CSI receiver to the ISP. */ + ret = media_create_pad_link(&rkisp1->csi.sd.entity, + RKISP1_CSI_PAD_SRC, + &rkisp1->isp.sd.entity, + RKISP1_ISP_PAD_SINK_VIDEO, + MEDIA_LNK_FL_ENABLED); + if (ret) + return ret; + } /* create ISP->RSZ->CAP links */ for (i = 0; i < 2; i++) { @@ -369,7 +380,8 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1) static void rkisp1_entities_unregister(struct rkisp1_device *rkisp1) { - rkisp1_csi_unregister(rkisp1); + if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2) + rkisp1_csi_unregister(rkisp1); rkisp1_params_unregister(rkisp1); rkisp1_stats_unregister(rkisp1); rkisp1_capture_devs_unregister(rkisp1); @@ -401,9 +413,11 @@ static int rkisp1_entities_register(struct rkisp1_device *rkisp1) if (ret) goto error; - ret = rkisp1_csi_register(rkisp1); - if (ret) - goto error; + if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2) { + ret = rkisp1_csi_register(rkisp1); + if (ret) + goto error; + } ret = rkisp1_create_links(rkisp1); if (ret) @@ -566,9 +580,11 @@ static int rkisp1_probe(struct platform_device *pdev) goto err_unreg_v4l2_dev; } - ret = rkisp1_csi_init(rkisp1); - if (ret) - goto err_unreg_media_dev; + if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2) { + ret = rkisp1_csi_init(rkisp1); + if (ret) + goto err_unreg_media_dev; + } ret = rkisp1_entities_register(rkisp1); if (ret) @@ -585,7 +601,8 @@ static int rkisp1_probe(struct platform_device *pdev) err_unreg_entities: rkisp1_entities_unregister(rkisp1); err_cleanup_csi: - rkisp1_csi_cleanup(rkisp1); + if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2) + rkisp1_csi_cleanup(rkisp1); err_unreg_media_dev: media_device_unregister(&rkisp1->media_dev); err_unreg_v4l2_dev: @@ -603,7 +620,8 @@ static int rkisp1_remove(struct platform_device *pdev) v4l2_async_nf_cleanup(&rkisp1->notifier); rkisp1_entities_unregister(rkisp1); - rkisp1_csi_cleanup(rkisp1); + if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2) + rkisp1_csi_cleanup(rkisp1); rkisp1_debug_cleanup(rkisp1); media_device_unregister(&rkisp1->media_dev);