From patchwork Wed Nov 29 09:27:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Elder X-Patchwork-Id: 748387 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="guI2PODG" Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F003A2681; Wed, 29 Nov 2023 01:29:19 -0800 (PST) Received: from pyrite.hamster-moth.ts.net (h175-177-049-135.catv02.itscom.jp [175.177.49.135]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 2FE9F89D; Wed, 29 Nov 2023 10:28:37 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1701250123; bh=hMDTsYVpENkOb/goyZczC7N4lOaLGYZGWPzUfGG6bSw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=guI2PODGUgIfKM7luOV9n/G7uIIWwci26E+jIQaEwgx4O3phqlwFHkpILCRN+iBx6 5K0s2oaUFZondTKw6XM+uVe/pc+Oc/kJH320UQjFjkD3kAuessb2Yi7+oLcestA/0a M/B5kaCi6JXVskN4OoPdOFvtXGrz7HutE39Q5psA= From: Paul Elder To: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org Cc: kieran.bingham@ideasonboard.com, tomi.valkeinen@ideasonboard.com, umang.jain@ideasonboard.com, aford173@gmail.com, Paul Elder , Laurent Pinchart , Dafna Hirschfeld , Mauro Carvalho Chehab , Heiko Stuebner , linux-arm-kernel@lists.infradead.org (moderated list:ARM/Rockchip SoC support), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v4 11/11] media: rkisp1: Add UYVY as an output format Date: Wed, 29 Nov 2023 18:27:59 +0900 Message-Id: <20231129092759.242641-12-paul.elder@ideasonboard.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231129092759.242641-1-paul.elder@ideasonboard.com> References: <20231129092759.242641-1-paul.elder@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add support for UYVY as an output format. The uv_swap bit in the MI_XTD_FORMAT_CTRL register that is used for the NV formats does not work for packed YUV formats. Thus, UYVY support is implemented via byte-swapping. This method clearly does not work for implementing support for YVYU and VYUY. Signed-off-by: Paul Elder Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart Tested-by: Adam Ford #imx8mp-beacon-kit --- .../platform/rockchip/rkisp1/rkisp1-capture.c | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c index a352893308b6..b50b044d22af 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c @@ -97,6 +97,12 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_mp_fmts[] = { .uv_swap = 0, .write_format = RKISP1_MI_CTRL_MP_WRITE_YUVINT, .mbus = MEDIA_BUS_FMT_YUYV8_2X8, + }, { + .fourcc = V4L2_PIX_FMT_UYVY, + .uv_swap = 0, + .yc_swap = 1, + .write_format = RKISP1_MI_CTRL_MP_WRITE_YUVINT, + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, }, { .fourcc = V4L2_PIX_FMT_YUV422P, .uv_swap = 0, @@ -231,6 +237,13 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = { .write_format = RKISP1_MI_CTRL_SP_WRITE_INT, .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422, .mbus = MEDIA_BUS_FMT_YUYV8_2X8, + }, { + .fourcc = V4L2_PIX_FMT_UYVY, + .uv_swap = 0, + .yc_swap = 1, + .write_format = RKISP1_MI_CTRL_SP_WRITE_INT, + .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422, + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, }, { .fourcc = V4L2_PIX_FMT_YUV422P, .uv_swap = 0, @@ -464,6 +477,20 @@ static void rkisp1_mp_config(struct rkisp1_capture *cap) rkisp1_write(rkisp1, RKISP1_CIF_MI_XTD_FORMAT_CTRL, reg); } + /* + * U/V swapping with the MI_XTD_FORMAT_CTRL register only works for + * NV12/NV21 and NV16/NV61, so instead use byte swap to support UYVY. + * YVYU and VYUY cannot be supported with this method. + */ + if (rkisp1->info->features & RKISP1_FEATURE_MI_OUTPUT_ALIGN) { + reg = rkisp1_read(rkisp1, RKISP1_CIF_MI_OUTPUT_ALIGN_FORMAT); + if (cap->pix.cfg->yc_swap) + reg |= RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_BYTES; + else + reg &= ~RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_BYTES; + rkisp1_write(rkisp1, RKISP1_CIF_MI_OUTPUT_ALIGN_FORMAT, reg); + } + rkisp1_mi_config_ctrl(cap); reg = rkisp1_read(rkisp1, RKISP1_CIF_MI_CTRL); @@ -507,6 +534,20 @@ static void rkisp1_sp_config(struct rkisp1_capture *cap) rkisp1_write(rkisp1, RKISP1_CIF_MI_XTD_FORMAT_CTRL, reg); } + /* + * U/V swapping with the MI_XTD_FORMAT_CTRL register only works for + * NV12/NV21 and NV16/NV61, so instead use byte swap to support UYVY. + * YVYU and VYUY cannot be supported with this method. + */ + if (rkisp1->info->features & RKISP1_FEATURE_MI_OUTPUT_ALIGN) { + reg = rkisp1_read(rkisp1, RKISP1_CIF_MI_OUTPUT_ALIGN_FORMAT); + if (cap->pix.cfg->yc_swap) + reg |= RKISP1_CIF_OUTPUT_ALIGN_FORMAT_SP_BYTE_SWAP_BYTES; + else + reg &= ~RKISP1_CIF_OUTPUT_ALIGN_FORMAT_SP_BYTE_SWAP_BYTES; + rkisp1_write(rkisp1, RKISP1_CIF_MI_OUTPUT_ALIGN_FORMAT, reg); + } + rkisp1_mi_config_ctrl(cap); mi_ctrl = rkisp1_read(rkisp1, RKISP1_CIF_MI_CTRL);