From patchwork Tue Mar 10 11:06:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lad Prabhakar X-Patchwork-Id: 11429153 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 B4EF592A for ; Tue, 10 Mar 2020 11:06:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9F98A24694 for ; Tue, 10 Mar 2020 11:06:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726481AbgCJLGt (ORCPT ); Tue, 10 Mar 2020 07:06:49 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:25631 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726211AbgCJLGt (ORCPT ); Tue, 10 Mar 2020 07:06:49 -0400 X-IronPort-AV: E=Sophos;i="5.70,536,1574089200"; d="scan'208";a="41493399" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 10 Mar 2020 20:06:48 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 6F937420C2EE; Tue, 10 Mar 2020 20:06:46 +0900 (JST) From: Lad Prabhakar To: Mauro Carvalho Chehab , Niklas Cc: linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Lad Prabhakar , Lad Prabhakar Subject: [PATCH v2 2/3] media: rcar-vin: Add support for MEDIA_BUS_FMT_SRGGB8_1X8 format Date: Tue, 10 Mar 2020 11:06:03 +0000 Message-Id: <1583838364-12932-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1583838364-12932-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <1583838364-12932-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> 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. Signed-off-by: Lad Prabhakar --- drivers/media/platform/rcar-vin/rcar-core.c | 1 + drivers/media/platform/rcar-vin/rcar-dma.c | 9 ++++++++- drivers/media/platform/rcar-vin/rcar-v4l2.c | 13 ++++++++++++- 3 files changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index 7440c89..76daf2f 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 1a30cd0..1c1fafa 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) @@ -587,7 +588,6 @@ 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); @@ -676,6 +676,9 @@ 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 +740,9 @@ 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 +1116,7 @@ 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 5151a3c..4698099 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 = 2, + }, }; const struct rvin_video_format *rvin_format_from_pixel(struct rvin_dev *vin, @@ -102,6 +106,7 @@ static u32 rvin_format_bytesperline(struct rvin_dev *vin, { const struct rvin_video_format *fmt; u32 align; + u8 div; fmt = rvin_format_from_pixel(vin, pix->pixelformat); @@ -112,16 +117,22 @@ static u32 rvin_format_bytesperline(struct rvin_dev *vin, case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV16: align = 0x20; + div = 1; + break; + case V4L2_PIX_FMT_SRGGB8: + align = 0x10; + div = 2; break; default: align = 0x10; + div = 1; break; } if (V4L2_FIELD_IS_SEQUENTIAL(pix->field)) align = 0x80; - return ALIGN(pix->width, align) * fmt->bpp; + return ALIGN(pix->width / div, align) * fmt->bpp; } static u32 rvin_format_sizeimage(struct v4l2_pix_format *pix)