From patchwork Tue Feb 20 13:03:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 99268 Received: from sy.mirrors.kernel.org ([147.75.48.161]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rcPmv-00072b-0N for patchwork@linuxtv.org; Tue, 20 Feb 2024 13:03:58 +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 sy.mirrors.kernel.org (Postfix) with ESMTPS id A484AB22497 for ; Tue, 20 Feb 2024 13:03:54 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1514D6A00B; Tue, 20 Feb 2024 13:03:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Ne25k6+3" X-Original-To: linux-media@vger.kernel.org Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 5CBB269E01 for ; Tue, 20 Feb 2024 13:03:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708434227; cv=none; b=FCSJNLuJaegg0yYpmo1npxKx3G8RvgcMVYXzyBbCb1gzeq0/JsqR/4JgXFxducStwXkcK/mCkPnvfIGhEq+4wa1oY3uN2WuPW8ifHYwcHiSkI5rD1jOyYNIyYnpCXmM9MIw2gxmBLjpxbzr5Qz3PQE9W+R/cSCsAYpmvgS8NDpU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708434227; c=relaxed/simple; bh=7wL7nFvP5WPKCe9xQFQVBjuPbHelc+qiAbdzX/d5Lm4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=NtSfuaTppTaqaHCh2WMxe4EOl3D++TbbMSEEXhHoAaSXbdbZcz8DCHbiWWufSzwiIhKh8TW15Hzv4lw8wjO34hw3AMMjGgJfR3n3W2rvXym6yVi5ELH0isNm/RVvwegCTuKwctojHMXnRUu557s6cl357Y4SGZFTIkvI6kLQCm4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Ne25k6+3; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1708434226; x=1739970226; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=7wL7nFvP5WPKCe9xQFQVBjuPbHelc+qiAbdzX/d5Lm4=; b=Ne25k6+3QVAjWoL1MM8cQT3IYt/n1CaY8Sh2//OmcndauDwxGgXIWocq c5l+UTfTRTL+MxsNMVR9b4toPS1ZMM6ipxPEhIOydN168MOXTyvldaPZU 7KeW2slMs3zDjdoh2J6IqYNTzZ01hfFYymbheQoiZbHg8uE2ZGOXv5F58 Og+oPM4HWVbhxMMuslTbU1/5AgzaYHwk93FMzRTkRMYQ0WsIdhY0zAC7n 8bn7xQbWzUxkksQplkiicILeuOiJuJCPuiQdXfv3CUTPENF73mzcDsFDh zYVkh+CEiRWfwYyifsp2SZy+GHE/OM+DJGlfsfidJVsOfhdxthEdKF5Np A==; X-IronPort-AV: E=McAfee;i="6600,9927,10989"; a="13158161" X-IronPort-AV: E=Sophos;i="6.06,172,1705392000"; d="scan'208";a="13158161" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2024 05:03:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10989"; a="827157824" X-IronPort-AV: E=Sophos;i="6.06,172,1705392000"; d="scan'208";a="827157824" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2024 05:03:43 -0800 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 540EE11F915; Tue, 20 Feb 2024 15:03:40 +0200 (EET) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, Wentong Wu Subject: [PATCH 1/3] media: v4l: Support obtaining link frequency from INTEGER64 controls Date: Tue, 20 Feb 2024 15:03:37 +0200 Message-Id: <20240220130339.543749-2-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240220130339.543749-1-sakari.ailus@linux.intel.com> References: <20240220130339.543749-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -3.9 (---) X-LSpam-Report: No, score=-3.9 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,DKIMWL_WL_HIGH=-1,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DMARC_PASS=-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 Support INTEGER64 controls in v4l2_get_link_freq(). Signed-off-by: Sakari Ailus --- drivers/media/v4l2-core/v4l2-common.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index 273d83de2a87..8e2fd81b7edf 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -473,6 +473,9 @@ s64 v4l2_get_link_freq(struct v4l2_ctrl_handler *handler, unsigned int mul, struct v4l2_querymenu qm = { .id = V4L2_CID_LINK_FREQ }; int ret; + if (ctrl->type == V4L2_CTRL_TYPE_INTEGER64) + return v4l2_ctrl_g_ctrl_int64(ctrl); + qm.index = v4l2_ctrl_g_ctrl(ctrl); ret = v4l2_querymenu(handler, &qm); From patchwork Tue Feb 20 13:03:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 99269 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 1rcPmw-00072p-0R for patchwork@linuxtv.org; 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20 Feb 2024 05:03:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10989"; a="827157822" X-IronPort-AV: E=Sophos;i="6.06,172,1705392000"; d="scan'208";a="827157822" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2024 05:03:43 -0800 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id D89E71201C3; Tue, 20 Feb 2024 15:03:40 +0200 (EET) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, Wentong Wu Subject: [PATCH 2/3] media: Documentation: v4l: LINK_FREQ can be an INTEGER64 control Date: Tue, 20 Feb 2024 15:03:38 +0200 Message-Id: <20240220130339.543749-3-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240220130339.543749-1-sakari.ailus@linux.intel.com> References: <20240220130339.543749-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -3.9 (---) X-LSpam-Report: No, score=-3.9 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,DKIMWL_WL_HIGH=-1,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DMARC_PASS=-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 When a device passes through the video data while still having its own receiver and transmitter, it can use the same frequency as the upstream link does. The Intel MEI CSI device is an example of this. An integer menu control isn't useful in conveying the actual frequency to the receiver in this case. Document that the LINK_FREQ control may also be a 64-bit integer control. Signed-off-by: Sakari Ailus --- .../userspace-api/media/v4l/ext-ctrls-image-process.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst index b1c2ab2854af..7a3ccb100e1d 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-image-process.rst @@ -22,7 +22,7 @@ Image Process Control IDs .. _v4l2-cid-link-freq: -``V4L2_CID_LINK_FREQ (integer menu)`` +``V4L2_CID_LINK_FREQ (integer menu or 64-bit integer)`` The frequency of the data bus (e.g. parallel or CSI-2). .. _v4l2-cid-pixel-rate: From patchwork Tue Feb 20 13:03:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 99270 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 1rcPmz-00073i-11 for patchwork@linuxtv.org; 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20 Feb 2024 05:03:46 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10989"; a="827157826" X-IronPort-AV: E=Sophos;i="6.06,172,1705392000"; d="scan'208";a="827157826" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2024 05:03:44 -0800 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 574F11203E6; Tue, 20 Feb 2024 15:03:41 +0200 (EET) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, Wentong Wu Subject: [PATCH 3/3] media: ivsc: csi: Fix link frequency control behaviour Date: Tue, 20 Feb 2024 15:03:39 +0200 Message-Id: <20240220130339.543749-4-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240220130339.543749-1-sakari.ailus@linux.intel.com> References: <20240220130339.543749-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -3.9 (---) X-LSpam-Report: No, score=-3.9 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,DKIMWL_WL_HIGH=-1,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DMARC_PASS=-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 The link frequency control was an integer menu control the value of which was hard-coded in the MEI CSI driver itself. Instead obtain the control value from the upstream sub-device and use a INTEGER64 control type for the purpose. Fixes: 29006e196a56 ("media: pci: intel: ivsc: Add CSI submodule") Signed-off-by: Sakari Ailus --- drivers/media/pci/intel/ivsc/mei_csi.c | 30 ++++++++++++-------------- 1 file changed, 14 insertions(+), 16 deletions(-) diff --git a/drivers/media/pci/intel/ivsc/mei_csi.c b/drivers/media/pci/intel/ivsc/mei_csi.c index 89b582a221ab..eef3b028c58e 100644 --- a/drivers/media/pci/intel/ivsc/mei_csi.c +++ b/drivers/media/pci/intel/ivsc/mei_csi.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -35,8 +36,6 @@ #define MEI_CSI_ENTITY_NAME "Intel IVSC CSI" -#define MEI_CSI_LINK_FREQ_400MHZ 400000000ULL - /* the 5s used here is based on experiment */ #define CSI_CMD_TIMEOUT (5 * HZ) /* to setup CSI-2 link an extra delay needed and determined experimentally */ @@ -148,10 +147,6 @@ static const struct v4l2_mbus_framefmt mei_csi_format_mbus_default = { .field = V4L2_FIELD_NONE, }; -static s64 link_freq_menu_items[] = { - MEI_CSI_LINK_FREQ_400MHZ -}; - static inline struct mei_csi *notifier_to_csi(struct v4l2_async_notifier *n) { return container_of(n, struct mei_csi, notifier); @@ -484,8 +479,7 @@ static int mei_csi_g_volatile_ctrl(struct v4l2_ctrl *ctrl) return -EINVAL; } - link_freq_menu_items[0] = freq; - ctrl->val = 0; + ctrl->p_new.p_s64[0] = csi->link_freq = freq; return 0; } @@ -554,9 +548,18 @@ static const struct v4l2_async_notifier_operations mei_csi_notify_ops = { .unbind = mei_csi_notify_unbind, }; +static const struct v4l2_ctrl_config mei_csi_link_freq_ctrl = { + .ops = &mei_csi_ctrl_ops, + .type = V4L2_CTRL_TYPE_INTEGER64, + .id = V4L2_CID_LINK_FREQ, + .name = "Link Frequency", + .max = S64_MAX, + .step = 1, + .flags = V4L2_CTRL_FLAG_VOLATILE | V4L2_CTRL_FLAG_READ_ONLY, +}; + static int mei_csi_init_controls(struct mei_csi *csi) { - u32 max; int ret; ret = v4l2_ctrl_handler_init(&csi->ctrl_handler, 2); @@ -565,13 +568,8 @@ static int mei_csi_init_controls(struct mei_csi *csi) csi->ctrl_handler.lock = &csi->lock; - max = ARRAY_SIZE(link_freq_menu_items) - 1; - csi->freq_ctrl = v4l2_ctrl_new_int_menu(&csi->ctrl_handler, - &mei_csi_ctrl_ops, - V4L2_CID_LINK_FREQ, - max, - 0, - link_freq_menu_items); + csi->freq_ctrl = v4l2_ctrl_new_custom(&csi->ctrl_handler, + &mei_csi_link_freq_ctrl, NULL); if (csi->freq_ctrl) csi->freq_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_VOLATILE;