From patchwork Fri Mar 11 14:35:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 12778138 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 7B831C433FE for ; Fri, 11 Mar 2022 14:37:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349500AbiCKOiL (ORCPT ); Fri, 11 Mar 2022 09:38:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349585AbiCKOhm (ORCPT ); Fri, 11 Mar 2022 09:37:42 -0500 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6C2C1C9477; Fri, 11 Mar 2022 06:36:34 -0800 (PST) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 5AD9B24001A; Fri, 11 Mar 2022 14:36:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1647009393; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zhIUG9Wb8r7xhMYMWkvu01J+yj35PnUIfRFm0qkzrGk=; b=XU8Opjovr7Am4L2agxh/qXtsB+DDuGgE30d8Ah8lz7ApGYQpGzV9+JpyDDutnMZPBwKsj5 Awt/IR38qZQLi60WMqjCOb3gMaY+DU9WkVSLoixyAsCPvnT93EjySGt2TBgRKXZAGvAZNQ u4PFoVjrutggpHwxtzQjdtFW7u9Ia4FLRUgEIN7AG35hUi+0TMGk/ZEUyaRwqz2YvXVJdt VXHN+VB0Gz9ZCJCO2edTps5HrRx7H9IaKLxvjrOUg6oMVqlaU4QJRk7cOFHvuE8Cw4aKbC bu1ySGYZMJ97CXiMpxzUYzGNPtjmhG9qFWQ+BQ5oE33iPJMGx4liV71d+itkqw== From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Cc: Yong Deng , Paul Kocialkowski , Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Laurent Pinchart , Maxime Ripard , Thomas Petazzoni Subject: [PATCH v3 29/46] media: sun6i-csi: Tidy capture configure code Date: Fri, 11 Mar 2022 15:35:15 +0100 Message-Id: <20220311143532.265091-30-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220311143532.265091-1-paul.kocialkowski@bootlin.com> References: <20220311143532.265091-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Some misc code cleanups and preparation for upcoming changes. Signed-off-by: Paul Kocialkowski --- .../sunxi/sun6i-csi/sun6i_csi_capture.c | 105 ++++++++---------- 1 file changed, 46 insertions(+), 59 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c index 12c02408d18e..726416d98c46 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c @@ -353,133 +353,120 @@ static enum csi_input_seq get_csi_input_seq(struct sun6i_csi_device *csi_dev, static void sun6i_csi_capture_configure_interface(struct sun6i_csi_device *csi_dev) { + struct device *dev = csi_dev->dev; + struct regmap *regmap = csi_dev->regmap; struct v4l2_fwnode_endpoint *endpoint = &csi_dev->bridge.source->endpoint; + unsigned char bus_width = endpoint->bus.parallel.bus_width; + unsigned int flags = endpoint->bus.parallel.flags; u32 pixelformat, field; - unsigned char bus_width; - u32 flags; - u32 cfg = 0; - bool input_interlaced = false; + u32 value = SUN6I_CSI_IF_CFG_IF_CSI; sun6i_csi_capture_format(csi_dev, &pixelformat, &field); if (field == V4L2_FIELD_INTERLACED || field == V4L2_FIELD_INTERLACED_TB || field == V4L2_FIELD_INTERLACED_BT) - input_interlaced = true; - - bus_width = endpoint->bus.parallel.bus_width; - - if (input_interlaced) - cfg |= SUN6I_CSI_IF_CFG_SRC_TYPE_INTERLACED | - SUN6I_CSI_IF_CFG_FIELD_DT_PCLK_SHIFT(1) | - SUN6I_CSI_IF_CFG_FIELD_DT_FIELD_VSYNC; + value |= SUN6I_CSI_IF_CFG_SRC_TYPE_INTERLACED | + SUN6I_CSI_IF_CFG_FIELD_DT_PCLK_SHIFT(1) | + SUN6I_CSI_IF_CFG_FIELD_DT_FIELD_VSYNC; else - cfg |= SUN6I_CSI_IF_CFG_SRC_TYPE_PROGRESSIVE; + value |= SUN6I_CSI_IF_CFG_SRC_TYPE_PROGRESSIVE; switch (endpoint->bus_type) { case V4L2_MBUS_PARALLEL: - cfg |= SUN6I_CSI_IF_CFG_IF_CSI; - - flags = endpoint->bus.parallel.flags; - if (bus_width == 16) - cfg |= SUN6I_CSI_IF_CFG_IF_CSI_YUV_COMBINED; + value |= SUN6I_CSI_IF_CFG_IF_CSI_YUV_COMBINED; else - cfg |= SUN6I_CSI_IF_CFG_IF_CSI_YUV_RAW; + value |= SUN6I_CSI_IF_CFG_IF_CSI_YUV_RAW; if (flags & V4L2_MBUS_FIELD_EVEN_LOW) - cfg |= SUN6I_CSI_IF_CFG_FIELD_NEGATIVE; + value |= SUN6I_CSI_IF_CFG_FIELD_NEGATIVE; else - cfg |= SUN6I_CSI_IF_CFG_FIELD_POSITIVE; + value |= SUN6I_CSI_IF_CFG_FIELD_POSITIVE; if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) - cfg |= SUN6I_CSI_IF_CFG_VREF_POL_NEGATIVE; + value |= SUN6I_CSI_IF_CFG_VREF_POL_NEGATIVE; else - cfg |= SUN6I_CSI_IF_CFG_VREF_POL_POSITIVE; + value |= SUN6I_CSI_IF_CFG_VREF_POL_POSITIVE; if (flags & V4L2_MBUS_HSYNC_ACTIVE_LOW) - cfg |= SUN6I_CSI_IF_CFG_HREF_POL_NEGATIVE; + value |= SUN6I_CSI_IF_CFG_HREF_POL_NEGATIVE; else - cfg |= SUN6I_CSI_IF_CFG_HREF_POL_POSITIVE; + value |= SUN6I_CSI_IF_CFG_HREF_POL_POSITIVE; if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) - cfg |= SUN6I_CSI_IF_CFG_CLK_POL_RISING; + value |= SUN6I_CSI_IF_CFG_CLK_POL_RISING; else - cfg |= SUN6I_CSI_IF_CFG_CLK_POL_FALLING; + value |= SUN6I_CSI_IF_CFG_CLK_POL_FALLING; break; case V4L2_MBUS_BT656: - cfg |= SUN6I_CSI_IF_CFG_IF_CSI; - - flags = endpoint->bus.parallel.flags; - if (bus_width == 16) - cfg |= SUN6I_CSI_IF_CFG_IF_CSI_BT1120; + value |= SUN6I_CSI_IF_CFG_IF_CSI_BT1120; else - cfg |= SUN6I_CSI_IF_CFG_IF_CSI_BT656; + value |= SUN6I_CSI_IF_CFG_IF_CSI_BT656; if (flags & V4L2_MBUS_FIELD_EVEN_LOW) - cfg |= SUN6I_CSI_IF_CFG_FIELD_NEGATIVE; + value |= SUN6I_CSI_IF_CFG_FIELD_NEGATIVE; else - cfg |= SUN6I_CSI_IF_CFG_FIELD_POSITIVE; + value |= SUN6I_CSI_IF_CFG_FIELD_POSITIVE; if (flags & V4L2_MBUS_PCLK_SAMPLE_FALLING) - cfg |= SUN6I_CSI_IF_CFG_CLK_POL_RISING; + value |= SUN6I_CSI_IF_CFG_CLK_POL_RISING; else - cfg |= SUN6I_CSI_IF_CFG_CLK_POL_FALLING; + value |= SUN6I_CSI_IF_CFG_CLK_POL_FALLING; break; default: - dev_warn(csi_dev->dev, "Unsupported bus type: %d\n", - endpoint->bus_type); + dev_warn(dev, "unsupported bus type: %d\n", endpoint->bus_type); break; } switch (bus_width) { case 8: - cfg |= SUN6I_CSI_IF_CFG_DATA_WIDTH_8; + /* 16-bit YUV formats use a doubled width in 8-bit mode. */ + case 16: + value |= SUN6I_CSI_IF_CFG_DATA_WIDTH_8; break; case 10: - cfg |= SUN6I_CSI_IF_CFG_DATA_WIDTH_10; + value |= SUN6I_CSI_IF_CFG_DATA_WIDTH_10; break; case 12: - cfg |= SUN6I_CSI_IF_CFG_DATA_WIDTH_12; - break; - case 16: /* No need to configure DATA_WIDTH for 16bit */ + value |= SUN6I_CSI_IF_CFG_DATA_WIDTH_12; break; default: - dev_warn(csi_dev->dev, "Unsupported bus width: %u\n", bus_width); + dev_warn(dev, "unsupported bus width: %u\n", bus_width); break; } - regmap_write(csi_dev->regmap, SUN6I_CSI_IF_CFG_REG, cfg); + regmap_write(regmap, SUN6I_CSI_IF_CFG_REG, value); } static void sun6i_csi_capture_configure_format(struct sun6i_csi_device *csi_dev) { + struct regmap *regmap = csi_dev->regmap; u32 mbus_code, pixelformat, field; - u32 cfg = 0; - u32 val; + u8 input_format, input_yuv_seq, output_format; + u32 value = 0; sun6i_csi_capture_format(csi_dev, &pixelformat, &field); sun6i_csi_bridge_format(csi_dev, &mbus_code, NULL); - val = get_csi_input_format(csi_dev, mbus_code, pixelformat); - cfg |= SUN6I_CSI_CH_CFG_INPUT_FMT(val); - - val = get_csi_output_format(csi_dev, pixelformat, field); - cfg |= SUN6I_CSI_CH_CFG_OUTPUT_FMT(val); + input_format = get_csi_input_format(csi_dev, mbus_code, pixelformat); + input_yuv_seq = get_csi_input_seq(csi_dev, mbus_code, pixelformat); + output_format = get_csi_output_format(csi_dev, pixelformat, field); - val = get_csi_input_seq(csi_dev, mbus_code, pixelformat); - cfg |= SUN6I_CSI_CH_CFG_INPUT_YUV_SEQ(val); + value |= SUN6I_CSI_CH_CFG_OUTPUT_FMT(output_format); + value |= SUN6I_CSI_CH_CFG_INPUT_FMT(input_format); + value |= SUN6I_CSI_CH_CFG_INPUT_YUV_SEQ(input_yuv_seq); if (field == V4L2_FIELD_TOP) - cfg |= SUN6I_CSI_CH_CFG_FIELD_SEL_FIELD0; + value |= SUN6I_CSI_CH_CFG_FIELD_SEL_FIELD0; else if (field == V4L2_FIELD_BOTTOM) - cfg |= SUN6I_CSI_CH_CFG_FIELD_SEL_FIELD1; + value |= SUN6I_CSI_CH_CFG_FIELD_SEL_FIELD1; else - cfg |= SUN6I_CSI_CH_CFG_FIELD_SEL_EITHER; + value |= SUN6I_CSI_CH_CFG_FIELD_SEL_EITHER; - regmap_write(csi_dev->regmap, SUN6I_CSI_CH_CFG_REG, cfg); + regmap_write(regmap, SUN6I_CSI_CH_CFG_REG, value); } static void sun6i_csi_capture_configure_window(struct sun6i_csi_device *csi_dev)