From patchwork Wed Mar 18 17:06:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 11445743 X-Patchwork-Delegate: kieran@bingham.xyz Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C661F159A for ; Wed, 18 Mar 2020 17:06:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A692A2076E for ; Wed, 18 Mar 2020 17:06:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YIPZRkUX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727068AbgCRRGu (ORCPT ); Wed, 18 Mar 2020 13:06:50 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:35002 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726638AbgCRRGu (ORCPT ); Wed, 18 Mar 2020 13:06:50 -0400 Received: by mail-wm1-f68.google.com with SMTP id m3so4253814wmi.0; Wed, 18 Mar 2020 10:06:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=AKG+GN0tLvAbfU9WEgK4/H/mkkbxaZC0ozS15O6wNtE=; b=YIPZRkUXsdgS+wOeeeEIhYRJ1WIMuj1srlJEN2cDWXvCBqcB/P+AoxdAAusmAlEEpS 0l//KkDKGCtGuz7K9wIdcaU8QoiHZtQQ12qz5xjQpi2veoxKO6QQ06u7Jr85lDrlDYQE oT+uhkbgd7fm5MR6Pg030opdLJUzpRknYB2kaDLpWzm5kDjkNLxIQkHHqsN7iKPf1SIL pYHS39xm1BEn1LZq0uSmeyViXq/50wXyk1ZLt6yBg0u+Aeean++c8gJsPxPA1hfam9pb A16UD2IA9CXe7gdCnf7lpA57F5HgBPBcQ46m2f/4t/GKm3gvYmyFI4sTYdLm5R8Fq+zQ w1Kw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=AKG+GN0tLvAbfU9WEgK4/H/mkkbxaZC0ozS15O6wNtE=; b=RL5ow5xGUPLXhMKuGH0lUBTM8mKs6ZCz6oXY0kFIX5EMGJlUkWovJksGRIWhHOp7hZ HZPMcMOxXM1M8YRQhh2sBFPvSUysQ2+vwYdl+ZCZpVx7tMQYdV09tor4NQP3jbzMdBvc tL1fOHWdXGPr8ap4jdQdK3KCkcMLtEQBZArQU6aJ8miVuZH3XYCuXxMdJSOBbnQbMn0R B4eRzwpMCqCOdQUjXH/HWE26VHxSGrM4gMjttfZK0Y0GrF025uMf3NB4la8axEUENxyf WEEKzlm0/HgvgPzeSWO+gd3skFU+e+HTioWNGp7uW/RzMU4RUDA1IQOb3Ay3dy7VuhKP MLSw== X-Gm-Message-State: ANhLgQ125rWM+SBxBsxYOzdpKlwAnFy90P+l9CQh6DY0NIKon0DgIxDv oKMZeAsMOLIBk9VQXiN14qQ= X-Google-Smtp-Source: ADFU+vudGxo86o2fdiefNN+SeCWNfJvzwl3Tima8DV/uunucbqnsvijIdK0bYFXd7j9Fbpa9ZZrr0g== X-Received: by 2002:a7b:c08a:: with SMTP id r10mr6062488wmh.130.1584551208080; Wed, 18 Mar 2020 10:06:48 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2510:d000:caa:1f1f:ffe5:ef76]) by smtp.gmail.com with ESMTPSA id k5sm4661283wmj.18.2020.03.18.10.06.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Mar 2020 10:06:45 -0700 (PDT) From: Lad Prabhakar X-Google-Original-From: Lad Prabhakar To: Mauro Carvalho Chehab , Niklas Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Lad Prabhakar Subject: [PATCH v3 1/2] media: rcar-vin: Add support for MEDIA_BUS_FMT_SRGGB8_1X8 format Date: Wed, 18 Mar 2020 17:06:37 +0000 Message-Id: <20200318170638.18562-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200318170638.18562-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20200318170638.18562-1-prabhakar.mahadev-lad.rj@bp.renesas.com> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Add support for MEDIA_BUS_FMT_SRGGB8_1X8 format in rcar-vin by setting format type to RAW8 in VNMC register and appropriately setting the bpp, bytesperline to enable V4L2_PIX_FMT_SRGGB8. For RAW8 format data is transferred by 4-Byte unit so VnIS register is configured accordingly. Signed-off-by: Lad Prabhakar --- drivers/media/platform/rcar-vin/rcar-core.c | 1 + drivers/media/platform/rcar-vin/rcar-dma.c | 11 ++++++++++- drivers/media/platform/rcar-vin/rcar-v4l2.c | 4 ++++ 3 files changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index 7440c8965d27..76daf2fe5bcd 100644 --- a/drivers/media/platform/rcar-vin/rcar-core.c +++ b/drivers/media/platform/rcar-vin/rcar-core.c @@ -469,6 +469,7 @@ static int rvin_parallel_subdevice_attach(struct rvin_dev *vin, case MEDIA_BUS_FMT_UYVY8_2X8: case MEDIA_BUS_FMT_UYVY10_2X10: case MEDIA_BUS_FMT_RGB888_1X24: + case MEDIA_BUS_FMT_SRGGB8_1X8: vin->mbus_code = code.code; vin_dbg(vin, "Found media bus format for %s: %d\n", subdev->name, vin->mbus_code); diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index 1a30cd036371..ec7b49c0b281 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -85,6 +85,7 @@ #define VNMC_INF_YUV8_BT601 (1 << 16) #define VNMC_INF_YUV10_BT656 (2 << 16) #define VNMC_INF_YUV10_BT601 (3 << 16) +#define VNMC_INF_RAW8 (4 << 16) #define VNMC_INF_YUV16 (5 << 16) #define VNMC_INF_RGB888 (6 << 16) #define VNMC_VUP (1 << 10) @@ -587,13 +588,14 @@ void rvin_crop_scale_comp(struct rvin_dev *vin) rvin_write(vin, vin->crop.top, VNSLPRC_REG); rvin_write(vin, vin->crop.top + vin->crop.height - 1, VNELPRC_REG); - /* TODO: Add support for the UDS scaler. */ if (vin->info->model != RCAR_GEN3) rvin_crop_scale_comp_gen2(vin); fmt = rvin_format_from_pixel(vin, vin->format.pixelformat); stride = vin->format.bytesperline / fmt->bpp; + if (vin->format.pixelformat == V4L2_PIX_FMT_SRGGB8) + stride /= 2; rvin_write(vin, stride, VNIS_REG); } @@ -676,6 +678,9 @@ static int rvin_setup(struct rvin_dev *vin) input_is_yuv = true; break; + case MEDIA_BUS_FMT_SRGGB8_1X8: + vnmc |= VNMC_INF_RAW8; + break; default: break; } @@ -737,6 +742,9 @@ static int rvin_setup(struct rvin_dev *vin) case V4L2_PIX_FMT_ABGR32: dmr = VNDMR_A8BIT(vin->alpha) | VNDMR_EXRGB | VNDMR_DTMD_ARGB; break; + case V4L2_PIX_FMT_SRGGB8: + dmr = 0; + break; default: vin_err(vin, "Invalid pixelformat (0x%x)\n", vin->format.pixelformat); @@ -1110,6 +1118,7 @@ static int rvin_mc_validate_format(struct rvin_dev *vin, struct v4l2_subdev *sd, case MEDIA_BUS_FMT_UYVY8_2X8: case MEDIA_BUS_FMT_UYVY10_2X10: case MEDIA_BUS_FMT_RGB888_1X24: + case MEDIA_BUS_FMT_SRGGB8_1X8: vin->mbus_code = fmt.format.code; break; default: diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index 5151a3cd8a6e..ca542219e8ae 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -66,6 +66,10 @@ static const struct rvin_video_format rvin_formats[] = { .fourcc = V4L2_PIX_FMT_ABGR32, .bpp = 4, }, + { + .fourcc = V4L2_PIX_FMT_SRGGB8, + .bpp = 1, + }, }; const struct rvin_video_format *rvin_format_from_pixel(struct rvin_dev *vin,