From patchwork Sun Jun 2 20:13:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13683066 Received: from mail-108-mta176.mxroute.com (mail-108-mta176.mxroute.com [136.175.108.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E53BD8003A for ; Sun, 2 Jun 2024 20:19:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.176 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717359570; cv=none; b=SjTQCogiOgG/jpNWJ8FoAzy/K7ttkXLeiOtj0LOlrUSv+hq5RjdHze/g1oZT+EmZnXGAey+FZH0C0xUVz4gkTTd2E7Xm/0m7kjW1fUz/hKOWMtG0OVloxLgG0MOrm5HkJCkyd8tiqlDXvemB5vucW4ptzXeqLYtkW5CaY2dO/A4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717359570; c=relaxed/simple; bh=DW93lC9rSeEtaobf7itjE64XnEYnqZ7qSOk+RzOJB00=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X1tngWhA29YeBfy38MTFEiMN3Z5s2OK+Jy/g2XOYDJsp/t6COvsdwhqcgAOjXkqgNTX/RtqqmHKtp/Rt7j4t5viMQ1fPacZEtby4M5UL2tRGBRa5ebQxNqdou3C8A3BuA551l/1/piCBjuru9ib2IU28pdAbEXRwfBPEaweyFYI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com; spf=pass smtp.mailfrom=luigi311.com; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b=fbj3QI1M; arc=none smtp.client-ip=136.175.108.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="fbj3QI1M" Received: from filter006.mxroute.com ([136.175.111.3] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta176.mxroute.com (ZoneMTA) with ESMTPSA id 18fda96ab6c000e2b6.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Sun, 02 Jun 2024 20:14:18 +0000 X-Zone-Loop: 572eabcc9fa7fa5277bb40c601a137ccab46ba8f44fd DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=bZhiRPeL9jOMw1N4B5HoYuhr3z7xt+xH2s8wek/zi98=; b=fbj3QI1MUQlAjKlCLDqlVaG9ki mCsXhPfsL1bsoKBCjfvuf5WRny9EzmWdS6npIXyw2mxbtIUm1fRSgBOCrOQWfVBXvlxYX7ZDe6ciW oWBeWbzzkY1UwYshFlLGDkHGX0Hu3TZleMLvNlv20K5zsSpki2wp+6xIKDh6Cu6/8YO31ObEH3D5j gpqzxMRKjNzP8xKFU29x4fFDZRI6VfQ6z54G27FjL4HormhO+VQ/lpS5Z6H7M3NAkg5Mcsk/gFD+i HX2DFohCTtQdIXj0JfgCdHUXd8kn+BPjWEMx4Cjd/QKDqJx0uEq4B5qKo5HS7akYTtY1EZlPSEE1r 96idcdqw==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, pavel@ucw.cz, phone-devel@vger.kernel.org, Luis Garcia Subject: [PATCH v6 12/23] media: i2c: imx258: Allow configuration of clock lane behaviour Date: Sun, 2 Jun 2024 14:13:34 -0600 Message-ID: <20240602201345.328737-13-git@luigi311.com> In-Reply-To: <20240602201345.328737-1-git@luigi311.com> References: <20240602201345.328737-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson The sensor supports the clock lane either remaining in HS mode during frame blanking, or dropping to LP11. Add configuration of the mode via V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK. Signed-off-by: Dave Stevenson Reviewed-by: Jacopo Mondi Signed-off-by: Luis Garcia --- drivers/media/i2c/imx258.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 59a78a4cfe44..2429eb7b55c6 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -72,6 +72,8 @@ /* Test Pattern Control */ #define IMX258_REG_TEST_PATTERN 0x0600 +#define IMX258_CLK_BLANK_STOP 0x4040 + /* Orientation */ #define REG_MIRROR_FLIP_CONTROL 0x0101 #define REG_CONFIG_MIRROR_FLIP 0x03 @@ -632,6 +634,7 @@ struct imx258 { const struct imx258_link_freq_config *link_freq_configs; const s64 *link_freq_menu_items; unsigned int nlanes; + unsigned int csi2_flags; /* * Mutex for serialized access: @@ -1066,6 +1069,14 @@ static int imx258_start_streaming(struct imx258 *imx258) return ret; } + ret = imx258_write_reg(imx258, IMX258_CLK_BLANK_STOP, + IMX258_REG_VALUE_08BIT, + !!(imx258->csi2_flags & V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK)); + if (ret) { + dev_err(&client->dev, "%s failed to set clock lane mode\n", __func__); + return ret; + } + /* Apply default values of current mode */ reg_list = &imx258->cur_mode->reg_list; ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs); @@ -1438,6 +1449,8 @@ static int imx258_probe(struct i2c_client *client) goto error_endpoint_free; } + imx258->csi2_flags = ep.bus.mipi_csi2.flags; + /* Initialize subdev */ v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops);