From patchwork Thu May 16 12:25:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 797599 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 C79BE1465A7 for ; Thu, 16 May 2024 12:25:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715862349; cv=none; b=leT05RZi/iedqUseGGtB1vrieqme5zqmaJ8rJsXFFIwkhnIjrSOciP28FE88M4qsHNIq+18N/RtGhlNCUT+Oo9HgttDYt5eC0gMQolzjPLKHQtxkJybA/dc/06nHIT47C5Jf8SIaNE5WXSL9yeIze9RpC1ZEVAmyShhMwKT1OuQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715862349; c=relaxed/simple; bh=64y+LNXtPE6IRjNRZAQADhQ74oRVlheAoCp3oZ9Yyj0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=k4SSrijyeyN6p6a+vfubX6IVA2tQ+kWuPA1nzWoKrLMl3nHwlT4AjPeMKkK7Qewp2k0qNE4UuObD3iZTcgzJk6iRP+ZzW+NkNza5XV0rthn5xC8CLYAee6dZPmVsakt2ZV0hatEiMFGPYmADO2jbO1/YNnhQSMEQ8bmHEBAuIgM= 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=Idtgcf2c; arc=none smtp.client-ip=192.198.163.7 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Idtgcf2c" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715862348; x=1747398348; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=64y+LNXtPE6IRjNRZAQADhQ74oRVlheAoCp3oZ9Yyj0=; b=Idtgcf2cfPNFW2Mg/i23MnusYb4H9M9VW2VY5WyywdnYBdOtxAiPcv49 +M7cmb5qWdvB0kEUu98tkVJCoZbrJOqLlHmZULRU6az4yo7BDdDU92q/S HxV+r+qPJmF6cNy9c212Ys0HWCZRUAAWNae26+lssr2tjcy9CYl6uH+or ZlKo3i2CFEXGx0LsHHbkfW7lbRZgZyCfd3NOVz5GzpuFV7AkmPeN+8HoX 9f7f/CmmfNtd1LqA9Yr3aDKGbmAZ0dM//+AvZxVEDhsM3ogK3yaYVJFV2 MLkBB7gmTAdVa2fqi9NWytskYjtpalFk7ba3CyCaRv5lU+rdG9efWiftj A==; X-CSE-ConnectionGUID: ccEZr7RUT5m0Qqqr4IksSA== X-CSE-MsgGUID: qfz81XrwQniS4QNiePso7g== X-IronPort-AV: E=McAfee;i="6600,9927,11074"; a="37345818" X-IronPort-AV: E=Sophos;i="6.08,164,1712646000"; d="scan'208";a="37345818" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2024 05:25:46 -0700 X-CSE-ConnectionGUID: 9m1vB0CTQg6ny9okDHWTMg== X-CSE-MsgGUID: wQ2F7RvJQlKUSE0ZjytjBg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,164,1712646000"; d="scan'208";a="36290258" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2024 05:25:45 -0700 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id AD17E120D1D; Thu, 16 May 2024 15:25:41 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: Jacopo Mondi , hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com, Wentong Wu Subject: [PATCH v6 2/4] media: v4l: Support obtaining link frequency via get_mbus_config Date: Thu, 16 May 2024 15:25:37 +0300 Message-Id: <20240516122539.30787-3-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240516122539.30787-1-sakari.ailus@linux.intel.com> References: <20240516122539.30787-1-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 Add link_freq field to struct v4l2_mbus_config in order to pass the link frequency to the receiving sub-device. Signed-off-by: Sakari Ailus --- drivers/media/v4l2-core/v4l2-common.c | 11 ++++++++--- include/media/v4l2-mediabus.h | 2 ++ 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index 01650aed7c30..ff859a340c5d 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -506,13 +506,18 @@ EXPORT_SYMBOL_GPL(__v4l2_get_link_freq_ctrl); s64 __v4l2_get_link_freq_pad(struct media_pad *pad, unsigned int mul, unsigned int div) { + struct v4l2_mbus_config mbus_config = {}; struct v4l2_subdev *sd; + int ret; sd = media_entity_to_v4l2_subdev(pad->entity); - if (!sd) - return -ENODEV; + ret = v4l2_subdev_call(sd, pad, get_mbus_config, pad->index, + &mbus_config); + if (ret < 0 && ret != -ENOIOCTLCMD) + return ret; - return __v4l2_get_link_freq_ctrl(sd->ctrl_handler, mul, div); + return mbus_config.link_freq ?: + __v4l2_get_link_freq_ctrl(sd->ctrl_handler, mul, div); } EXPORT_SYMBOL_GPL(__v4l2_get_link_freq_pad); #endif /* CONFIG_MEDIA_CONTROLLER */ diff --git a/include/media/v4l2-mediabus.h b/include/media/v4l2-mediabus.h index 5bce6e423e94..cc5f776dc662 100644 --- a/include/media/v4l2-mediabus.h +++ b/include/media/v4l2-mediabus.h @@ -148,6 +148,7 @@ enum v4l2_mbus_type { /** * struct v4l2_mbus_config - media bus configuration * @type: interface type + * @link_freq: The link frequency. See also V4L2_CID_LINK_FREQ control. * @bus: bus configuration data structure * @bus.parallel: embedded &struct v4l2_mbus_config_parallel. * Used if the bus is parallel or BT.656. @@ -162,6 +163,7 @@ enum v4l2_mbus_type { */ struct v4l2_mbus_config { enum v4l2_mbus_type type; + u64 link_freq; union { struct v4l2_mbus_config_parallel parallel; struct v4l2_mbus_config_mipi_csi1 mipi_csi1;