From patchwork Wed Oct 6 06:13:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Krzysztof_Ha=C5=82asa?= X-Patchwork-Id: 12538687 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE10DC433EF for ; Wed, 6 Oct 2021 06:13:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A2AA0611CA for ; Wed, 6 Oct 2021 06:13:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235442AbhJFGPl convert rfc822-to-8bit (ORCPT ); Wed, 6 Oct 2021 02:15:41 -0400 Received: from ni.piap.pl ([195.187.100.5]:50362 "EHLO ni.piap.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229797AbhJFGPl (ORCPT ); Wed, 6 Oct 2021 02:15:41 -0400 From: =?utf-8?q?Krzysztof_Ha=C5=82asa?= To: Philipp Zabel , Steve Longerbeam Cc: Mauro Carvalho Chehab , Greg Kroah-Hartman , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH] i.MX6: Support 16-bit BT.1120 video input Date: Wed, 06 Oct 2021 08:13:48 +0200 Message-ID: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Confirmed to work with ADV7610 HDMI receiver. Signed-off-by: Krzysztof Hałasa diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c index 658c173bebdf..2893b68f1f7a 100644 --- a/drivers/gpu/ipu-v3/ipu-csi.c +++ b/drivers/gpu/ipu-v3/ipu-csi.c @@ -261,10 +261,24 @@ static int mbus_code_to_bus_cfg(struct ipu_csi_bus_config *cfg, u32 mbus_code, cfg->data_width = IPU_CSI_DATA_WIDTH_8; break; case MEDIA_BUS_FMT_UYVY8_1X16: + if (mbus_type == V4L2_MBUS_BT656) { + cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_YUV422_UYVY; + cfg->data_width = IPU_CSI_DATA_WIDTH_8; + } else { + cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER; + cfg->data_width = IPU_CSI_DATA_WIDTH_16; + } + cfg->mipi_dt = MIPI_DT_YUV422; + break; case MEDIA_BUS_FMT_YUYV8_1X16: - cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER; + if (mbus_type == V4L2_MBUS_BT656) { + cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_YUV422_YUYV; + cfg->data_width = IPU_CSI_DATA_WIDTH_8; + } else { + cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER; + cfg->data_width = IPU_CSI_DATA_WIDTH_16; + } cfg->mipi_dt = MIPI_DT_YUV422; - cfg->data_width = IPU_CSI_DATA_WIDTH_16; break; case MEDIA_BUS_FMT_SBGGR8_1X8: case MEDIA_BUS_FMT_SGBRG8_1X8: @@ -352,7 +366,7 @@ static int fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg, const struct v4l2_mbus_config *mbus_cfg, const struct v4l2_mbus_framefmt *mbus_fmt) { - int ret; + int ret, is_bt1120; memset(csicfg, 0, sizeof(*csicfg)); @@ -373,11 +387,18 @@ static int fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg, break; case V4L2_MBUS_BT656: csicfg->ext_vsync = 0; + /* UYVY10_1X20 etc. should be supported as well */ + is_bt1120 = mbus_fmt->code == MEDIA_BUS_FMT_UYVY8_1X16 || + mbus_fmt->code == MEDIA_BUS_FMT_YUYV8_1X16; if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field) || mbus_fmt->field == V4L2_FIELD_ALTERNATE) - csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_INTERLACED; + csicfg->clk_mode = is_bt1120 ? + IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR : + IPU_CSI_CLK_MODE_CCIR656_INTERLACED; else - csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE; + csicfg->clk_mode = is_bt1120 ? + IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR : + IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE; break; case V4L2_MBUS_CSI2_DPHY: /* diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c index 45f9d797b9da..ba93512f8c71 100644 --- a/drivers/staging/media/imx/imx-media-csi.c +++ b/drivers/staging/media/imx/imx-media-csi.c @@ -139,6 +139,8 @@ static inline bool is_parallel_16bit_bus(struct v4l2_fwnode_endpoint *ep) * Check for conditions that require the IPU to handle the * data internally as generic data, aka passthrough mode: * - raw bayer media bus formats, or + * - BT.656 and BT.1120 (8/10-bit YUV422) data can always be processed + * on-the-fly (converted to YUV420) * - the CSI is receiving from a 16-bit parallel bus, or * - the CSI is receiving from an 8-bit parallel bus and the incoming * media bus format is other than UYVY8_2X8/YUYV8_2X8. @@ -147,6 +149,9 @@ static inline bool requires_passthrough(struct v4l2_fwnode_endpoint *ep, struct v4l2_mbus_framefmt *infmt, const struct imx_media_pixfmt *incc) { + if (ep->bus_type == V4L2_MBUS_BT656) // including BT.1120 + return 0; + return incc->bayer || is_parallel_16bit_bus(ep) || (is_parallel_bus(ep) && infmt->code != MEDIA_BUS_FMT_UYVY8_2X8 &&