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Fri, 06 Sep 2024 10:40:24 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:2595:4364:d152:dff3]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c3cc697fedsm2623557a12.64.2024.09.06.10.40.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Sep 2024 10:40:24 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Mauro Carvalho Chehab , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 1/3] media: platform: rzg2l-cru: rzg2l-csi2: Implement .get_frame_desc() Date: Fri, 6 Sep 2024 18:39:45 +0100 Message-Id: <20240906173947.282402-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240906173947.282402-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240906173947.282402-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -5.3 (-----) X-LSpam-Report: No, score=-5.3 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no From: Lad Prabhakar The RZ/G2L CRU requires information about which VCx to process data from, among the four available VCs. To obtain this information, the .get_frame_desc() routine is implemented. This routine, in turn, calls .get_frame_desc() on the remote sensor connected to the CSI2 bridge. Signed-off-by: Lad Prabhakar Reviewed-by: Laurent Pinchart --- .../media/platform/renesas/rzg2l-cru/rzg2l-csi2.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c index c7fdee347ac8..a7e4a0c109da 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c @@ -582,6 +582,17 @@ static int rzg2l_csi2_enum_frame_size(struct v4l2_subdev *sd, return 0; } +static int rzg2l_csi2_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + struct rzg2l_csi2 *csi2 = sd_to_csi2(sd); + + if (!csi2->remote_source) + return -EINVAL; + + return v4l2_subdev_call(csi2->remote_source, pad, get_frame_desc, pad, fd); +} + static const struct v4l2_subdev_video_ops rzg2l_csi2_video_ops = { .s_stream = rzg2l_csi2_s_stream, .pre_streamon = rzg2l_csi2_pre_streamon, @@ -593,6 +604,7 @@ static const struct v4l2_subdev_pad_ops rzg2l_csi2_pad_ops = { .enum_frame_size = rzg2l_csi2_enum_frame_size, .set_fmt = rzg2l_csi2_set_format, .get_fmt = v4l2_subdev_get_fmt, + .get_frame_desc = rzg2l_csi2_get_frame_desc, }; static const struct v4l2_subdev_ops rzg2l_csi2_subdev_ops = { From patchwork Fri Sep 6 17:39:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 104041 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 1smcwz-00075C-1Z for patchwork@linuxtv.org; Fri, 06 Sep 2024 17:40:50 +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 ny.mirrors.kernel.org (Postfix) with ESMTPS id 7F6741C22AEC for ; Fri, 6 Sep 2024 17:40:48 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3056E1D6C78; Fri, 6 Sep 2024 17:40:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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To retrieve this information from the connected subdevice, the .get_frame_desc() function is called. Signed-off-by: Lad Prabhakar Reviewed-by: Laurent Pinchart --- .../platform/renesas/rzg2l-cru/rzg2l-video.c | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c index bbf4674f888d..6101a070e785 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c @@ -433,12 +433,41 @@ void rzg2l_cru_stop_image_processing(struct rzg2l_cru_dev *cru) spin_unlock_irqrestore(&cru->qlock, flags); } +static int rzg2l_cru_get_virtual_channel(struct rzg2l_cru_dev *cru) +{ + struct v4l2_mbus_frame_desc fd = { }; + struct media_pad *pad; + int ret; + + pad = media_pad_remote_pad_unique(&cru->ip.pads[1]); + if (IS_ERR(pad)) + return PTR_ERR(pad); + + ret = v4l2_subdev_call(cru->ip.remote, pad, get_frame_desc, + pad->index, &fd); + if (ret < 0 && ret != -ENOIOCTLCMD) + return ret; + /* If remote subdev does not implement .get_frame_desc default to VC0. */ + if (ret == -ENOIOCTLCMD) + return 0; + + if (fd.type != V4L2_MBUS_FRAME_DESC_TYPE_CSI2) + return -EINVAL; + + return fd.num_entries ? fd.entry[0].bus.csi2.vc : 0; +} + int rzg2l_cru_start_image_processing(struct rzg2l_cru_dev *cru) { struct v4l2_mbus_framefmt *fmt = rzg2l_cru_ip_get_src_fmt(cru); unsigned long flags; int ret; + ret = rzg2l_cru_get_virtual_channel(cru); + if (ret < 0) + return ret; + cru->csi.channel = ret; + spin_lock_irqsave(&cru->qlock, flags); /* Select a video input */ From patchwork Fri Sep 6 17:39:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 104042 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 1smcxR-000772-1n for patchwork@linuxtv.org; Fri, 06 Sep 2024 17:41:18 +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 sv.mirrors.kernel.org (Postfix) with ESMTPS id C6EE1283030 for ; 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Signed-off-by: Lad Prabhakar --- .../platform/renesas/rzg2l-cru/rzg2l-cru.h | 5 ++ .../platform/renesas/rzg2l-cru/rzg2l-csi2.c | 7 ++- .../platform/renesas/rzg2l-cru/rzg2l-ip.c | 9 +++- .../platform/renesas/rzg2l-cru/rzg2l-video.c | 51 ++++++++++++++++--- 4 files changed, 61 insertions(+), 11 deletions(-) diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h index 174760239548..83c664cb0929 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h @@ -58,6 +58,11 @@ struct rzg2l_cru_ip { struct v4l2_subdev *remote; }; +enum rzg2l_cru_fmt { + RZG2L_YUV = 0, + RZG2L_RAW_BAYER, + RZG2L_USER_DEFINED, +}; /** * struct rzg2l_cru_dev - Renesas CRU device structure * @dev: (OF) device diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c index a7e4a0c109da..b14c92cd7c18 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c @@ -18,6 +18,7 @@ #include #include +#include #include #include #include @@ -188,7 +189,11 @@ struct rzg2l_csi2_format { }; static const struct rzg2l_csi2_format rzg2l_csi2_formats[] = { - { .code = MEDIA_BUS_FMT_UYVY8_1X16, .datatype = 0x1e, .bpp = 16 }, + { .code = MEDIA_BUS_FMT_UYVY8_1X16, .datatype = MIPI_CSI2_DT_YUV422_8B, .bpp = 16 }, + { .code = MEDIA_BUS_FMT_SBGGR8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, }, + { .code = MEDIA_BUS_FMT_SGBRG8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, }, + { .code = MEDIA_BUS_FMT_SGRBG8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, }, + { .code = MEDIA_BUS_FMT_SRGGB8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, }, }; static inline struct rzg2l_csi2 *sd_to_csi2(struct v4l2_subdev *sd) diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c index ac8ebae4ed07..5f60be92ea85 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c @@ -6,6 +6,7 @@ */ #include +#include #include "rzg2l-cru.h" struct rzg2l_cru_ip_format { @@ -15,7 +16,11 @@ struct rzg2l_cru_ip_format { }; static const struct rzg2l_cru_ip_format rzg2l_cru_ip_formats[] = { - { .code = MEDIA_BUS_FMT_UYVY8_1X16, .datatype = 0x1e, .bpp = 16 }, + { .code = MEDIA_BUS_FMT_UYVY8_1X16, .datatype = MIPI_CSI2_DT_YUV422_8B, .bpp = 16 }, + { .code = MEDIA_BUS_FMT_SBGGR8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, }, + { .code = MEDIA_BUS_FMT_SGBRG8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, }, + { .code = MEDIA_BUS_FMT_SGRBG8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, }, + { .code = MEDIA_BUS_FMT_SRGGB8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, }, }; enum rzg2l_csi2_pads { @@ -149,7 +154,7 @@ static int rzg2l_cru_ip_enum_frame_size(struct v4l2_subdev *sd, if (fse->index != 0) return -EINVAL; - if (fse->code != MEDIA_BUS_FMT_UYVY8_1X16) + if (!rzg2l_cru_ip_code_to_fmt(fse->code)) return -EINVAL; fse->min_width = RZG2L_CRU_MIN_INPUT_WIDTH; diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c index 6101a070e785..66a0b80e8da7 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c @@ -15,6 +15,7 @@ #include #include +#include #include #include @@ -78,6 +79,7 @@ #define ICnMC 0x208 #define ICnMC_CSCTHR BIT(5) #define ICnMC_INF_YUV8_422 (0x1e << 16) +#define ICnMC_INF_RAW8 (0x2a << 16) #define ICnMC_INF_USER (0x30 << 16) #define ICnMC_VCSEL(x) ((x) << 22) #define ICnMC_INF_MASK GENMASK(21, 16) @@ -203,6 +205,10 @@ static int rzg2l_cru_mc_validate_format(struct rzg2l_cru_dev *cru, switch (fmt.format.code) { case MEDIA_BUS_FMT_UYVY8_1X16: + case MEDIA_BUS_FMT_SBGGR8_1X8: + case MEDIA_BUS_FMT_SGBRG8_1X8: + case MEDIA_BUS_FMT_SGRBG8_1X8: + case MEDIA_BUS_FMT_SRGGB8_1X8: break; default: return -EPIPE; @@ -300,7 +306,7 @@ static void rzg2l_cru_initialize_axi(struct rzg2l_cru_dev *cru) rzg2l_cru_write(cru, AMnAXIATTR, amnaxiattr); } -static void rzg2l_cru_csi2_setup(struct rzg2l_cru_dev *cru, bool *input_is_yuv, +static void rzg2l_cru_csi2_setup(struct rzg2l_cru_dev *cru, enum rzg2l_cru_fmt *input_fmt, struct v4l2_mbus_framefmt *ip_sd_fmt) { u32 icnmc; @@ -308,11 +314,18 @@ static void rzg2l_cru_csi2_setup(struct rzg2l_cru_dev *cru, bool *input_is_yuv, switch (ip_sd_fmt->code) { case MEDIA_BUS_FMT_UYVY8_1X16: icnmc = ICnMC_INF_YUV8_422; - *input_is_yuv = true; + *input_fmt = RZG2L_YUV; + break; + case MEDIA_BUS_FMT_SBGGR8_1X8: + case MEDIA_BUS_FMT_SGBRG8_1X8: + case MEDIA_BUS_FMT_SGRBG8_1X8: + case MEDIA_BUS_FMT_SRGGB8_1X8: + icnmc = ICnMC_INF_RAW8; + *input_fmt = RZG2L_RAW_BAYER; break; default: - *input_is_yuv = false; icnmc = ICnMC_INF_USER; + *input_fmt = RZG2L_USER_DEFINED; break; } @@ -327,17 +340,23 @@ static void rzg2l_cru_csi2_setup(struct rzg2l_cru_dev *cru, bool *input_is_yuv, static int rzg2l_cru_initialize_image_conv(struct rzg2l_cru_dev *cru, struct v4l2_mbus_framefmt *ip_sd_fmt) { - bool output_is_yuv = false; - bool input_is_yuv = false; + enum rzg2l_cru_fmt input_fmt, output_fmt; u32 icndmr; - rzg2l_cru_csi2_setup(cru, &input_is_yuv, ip_sd_fmt); + rzg2l_cru_csi2_setup(cru, &input_fmt, ip_sd_fmt); /* Output format */ switch (cru->format.pixelformat) { case V4L2_PIX_FMT_UYVY: icndmr = ICnDMR_YCMODE_UYVY; - output_is_yuv = true; + output_fmt = RZG2L_YUV; + break; + case V4L2_PIX_FMT_SBGGR8: + case V4L2_PIX_FMT_SGBRG8: + case V4L2_PIX_FMT_SGRBG8: + case V4L2_PIX_FMT_SRGGB8: + icndmr = 0; + output_fmt = RZG2L_RAW_BAYER; break; default: dev_err(cru->dev, "Invalid pixelformat (0x%x)\n", @@ -346,7 +365,7 @@ static int rzg2l_cru_initialize_image_conv(struct rzg2l_cru_dev *cru, } /* If input and output use same colorspace, do bypass mode */ - if (output_is_yuv == input_is_yuv) + if (input_fmt == output_fmt) rzg2l_cru_write(cru, ICnMC, rzg2l_cru_read(cru, ICnMC) | ICnMC_CSCTHR); else @@ -809,6 +828,22 @@ static const struct v4l2_format_info rzg2l_cru_formats[] = { .format = V4L2_PIX_FMT_UYVY, .bpp[0] = 2, }, + { + .format = V4L2_PIX_FMT_SBGGR8, + .bpp[0] = 1, + }, + { + .format = V4L2_PIX_FMT_SGBRG8, + .bpp[0] = 1, + }, + { + .format = V4L2_PIX_FMT_SGRBG8, + .bpp[0] = 1, + }, + { + .format = V4L2_PIX_FMT_SRGGB8, + .bpp[0] = 1, + }, }; const struct v4l2_format_info *rzg2l_cru_format_from_pixel(u32 format)