From patchwork Fri Oct 8 13:10:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Fabio Estevam X-Patchwork-Id: 12545333 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 7015DC433FE for ; Fri, 8 Oct 2021 13:11:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5943F61038 for ; Fri, 8 Oct 2021 13:11:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241603AbhJHNMz (ORCPT ); Fri, 8 Oct 2021 09:12:55 -0400 Received: from phobos.denx.de ([85.214.62.61]:39628 "EHLO phobos.denx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230243AbhJHNMy (ORCPT ); Fri, 8 Oct 2021 09:12:54 -0400 Received: from localhost.localdomain (unknown [IPv6:2804:14c:485:504a:c805:3148:c0be:5fdf]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: festevam@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id A3CBF83572; Fri, 8 Oct 2021 15:10:56 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1633698658; bh=Ose9C+If+jeKapsyJAtnoR9PIwQsKytKGJI3b8IscwE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hfTNS+14/8i/c+f89aiD3XXDD77jKgkRTmrHBS5hhUmw2/yctrQkhWrqMHSFLChGF FbUaRtaDNYfUxATlrXF4iaGHthudkpxOGpBrFmDShzIMR15JoiqYnrHnSmRZGboWwh 4+uFUhwug46Qzg5xaoXk6oyxOulRGiL+slQyZGMwitOO8pKEAhFdl0czNesQ/boLfG XaK8ybbKmxJ3KvJ47Yk8PQvLeUYsvFTcrQCLd/1ztV2mp4FFPesaperYVzfBQspMzF X/YnpU5P8TfWp4QFPFozQg32QjbSdrZgsdMBsTLEglxkBJ8GV9bXmKIB2w7r8bl1XP ZAK2JbSB07hyQ== From: Fabio Estevam To: p.zabel@pengutronix.de Cc: hverkuil-cisco@xs4all.nl, linux-media@vger.kernel.org, Fabio Estevam Subject: [PATCH v4 2/2] media: imx-pxp: Add rotation support Date: Fri, 8 Oct 2021 10:10:15 -0300 Message-Id: <20211008131015.3303915-2-festevam@denx.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211008131015.3303915-1-festevam@denx.de> References: <20211008131015.3303915-1-festevam@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org PXP allows clockwise rotation of 0°, 90°, 180° and 270°. Add support for it. Tested on a imx6ull-evk. For example, to rotate 90° the following Gstreamer pipeline can be used: gst-launch-1.0 videotestsrc ! video/x-raw,width=640,height=480 ! \ v4l2convert extra-controls=cid,rotate=90 ! \ video/x-raw,width=120,height=160 ! fbdevsink Signed-off-by: Fabio Estevam Reviewed-by: Philipp Zabel --- Changes since v3: - Use existing definitions for the rotation modes (Philipp) - Combine the 0 and default cases (Philipp) drivers/media/platform/imx-pxp.c | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/imx-pxp.c b/drivers/media/platform/imx-pxp.c index b7174778db53..689ae5e6ac62 100644 --- a/drivers/media/platform/imx-pxp.c +++ b/drivers/media/platform/imx-pxp.c @@ -211,6 +211,7 @@ struct pxp_ctx { /* Processing mode */ int mode; u8 alpha_component; + u8 rotation; enum v4l2_colorspace colorspace; enum v4l2_xfer_func xfer_func; @@ -767,14 +768,20 @@ static int pxp_start(struct pxp_ctx *ctx, struct vb2_v4l2_buffer *in_vb, V4L2_BUF_FLAG_BFRAME | V4L2_BUF_FLAG_TSTAMP_SRC_MASK); - /* Rotation disabled, 8x8 block size */ + /* 8x8 block size */ ctrl = BF_PXP_CTRL_VFLIP0(!!(ctx->mode & MEM2MEM_VFLIP)) | - BF_PXP_CTRL_HFLIP0(!!(ctx->mode & MEM2MEM_HFLIP)); + BF_PXP_CTRL_HFLIP0(!!(ctx->mode & MEM2MEM_HFLIP)) | + BF_PXP_CTRL_ROTATE0(ctx->rotation); /* Always write alpha value as V4L2_CID_ALPHA_COMPONENT */ out_ctrl = BF_PXP_OUT_CTRL_ALPHA(ctx->alpha_component) | BF_PXP_OUT_CTRL_ALPHA_OUTPUT(1) | pxp_v4l2_pix_fmt_to_out_format(dst_fourcc); out_buf = p_out; + + if (ctx->rotation == BV_PXP_CTRL_ROTATE0__ROT_90 || + ctx->rotation == BV_PXP_CTRL_ROTATE0__ROT_270) + swap(dst_width, dst_height); + switch (dst_fourcc) { case V4L2_PIX_FMT_NV12: case V4L2_PIX_FMT_NV21: @@ -1297,6 +1304,21 @@ static int pxp_s_fmt_vid_out(struct file *file, void *priv, return 0; } +static u8 pxp_degrees_to_rot_mode(u32 degrees) +{ + switch (degrees) { + case 90: + return BV_PXP_CTRL_ROTATE0__ROT_90; + case 180: + return BV_PXP_CTRL_ROTATE0__ROT_180; + case 270: + return BV_PXP_CTRL_ROTATE0__ROT_270; + case 0: + default: + return BV_PXP_CTRL_ROTATE0__ROT_0; + } +} + static int pxp_s_ctrl(struct v4l2_ctrl *ctrl) { struct pxp_ctx *ctx = @@ -1317,6 +1339,10 @@ static int pxp_s_ctrl(struct v4l2_ctrl *ctrl) ctx->mode &= ~MEM2MEM_VFLIP; break; + case V4L2_CID_ROTATE: + ctx->rotation = pxp_degrees_to_rot_mode(ctrl->val); + break; + case V4L2_CID_ALPHA_COMPONENT: ctx->alpha_component = ctrl->val; break; @@ -1524,6 +1550,7 @@ static int pxp_open(struct file *file) v4l2_ctrl_handler_init(hdl, 4); v4l2_ctrl_new_std(hdl, &pxp_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); v4l2_ctrl_new_std(hdl, &pxp_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std(hdl, &pxp_ctrl_ops, V4L2_CID_ROTATE, 0, 270, 90, 0); v4l2_ctrl_new_std(hdl, &pxp_ctrl_ops, V4L2_CID_ALPHA_COMPONENT, 0, 255, 1, 255); if (hdl->error) {