From patchwork Mon May 24 11:09:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 446635 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7F0AC2B9F7 for ; Mon, 24 May 2021 11:10:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AF2CA61002 for ; Mon, 24 May 2021 11:10:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232808AbhEXLLf (ORCPT ); Mon, 24 May 2021 07:11:35 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:33754 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232805AbhEXLLW (ORCPT ); Mon, 24 May 2021 07:11:22 -0400 Received: from deskari.lan (91-157-208-71.elisa-laajakaista.fi [91.157.208.71]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 85F1B35D4; Mon, 24 May 2021 13:09:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1621854577; bh=O7HD0+nApcNJUuBdL65HNATqAbaR+CB7dtwdWRj7mIg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ERnGSSbMydw4uADUJbNTdotcqIqSdBd3dJCMON5KUo2fo6MucfPb5GqbTlMvG7ori S4LT/Ofm+9iE36hIP4S0oj+knC5KrnlUV1BiG3cIHt/la02BT2tGy+Zj3hjN08OWYx td10OduUepCHcl9FtOzBv+MoyyVoGmQ+PePTdGDg= From: Tomi Valkeinen To: Laurent Pinchart , Pratyush Yadav , Lokesh Vutla , linux-media@vger.kernel.org Cc: Tomi Valkeinen Subject: [PATCH v3 37/38] media: ti-vpe: cal: use frame desc to get vc and dt Date: Mon, 24 May 2021 14:09:08 +0300 Message-Id: <20210524110909.672432-38-tomi.valkeinen@ideasonboard.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210524110909.672432-1-tomi.valkeinen@ideasonboard.com> References: <20210524110909.672432-1-tomi.valkeinen@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use get_frame_desc() to get the frame desc from the connected source, and use the provided virtual channel and datatype instead of hardcoded ones. get_frame_desc() works per stream, but as we don't support multiple streams yet, we will just always use stream 0. If the source doesn't support get_frame_desc(), fall back to the previous method of always capturing virtual channel 0 and any datatype. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/platform/ti-vpe/cal-camerarx.c | 26 +++++++++++ drivers/media/platform/ti-vpe/cal.c | 49 +++++++++++++++++++- drivers/media/platform/ti-vpe/cal.h | 3 ++ 3 files changed, 76 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/ti-vpe/cal-camerarx.c b/drivers/media/platform/ti-vpe/cal-camerarx.c index e3a4c20be1e6..cb6a37f47432 100644 --- a/drivers/media/platform/ti-vpe/cal-camerarx.c +++ b/drivers/media/platform/ti-vpe/cal-camerarx.c @@ -583,6 +583,32 @@ static int cal_camerarx_parse_dt(struct cal_camerarx *phy) return ret; } +int cal_camerarx_get_remote_frame_desc(struct cal_camerarx *phy, + struct v4l2_mbus_frame_desc *fd) +{ + struct media_pad *pad; + int ret; + + if (!phy->source) + return -ENODEV; + + pad = media_entity_remote_pad(&phy->pads[CAL_CAMERARX_PAD_SINK]); + if (!pad) + return -ENODEV; + + ret = v4l2_subdev_call(phy->source, pad, get_frame_desc, pad->index, + fd); + if (ret) + return ret; + + if (fd->type != V4L2_MBUS_FRAME_DESC_TYPE_CSI2) { + dev_err(phy->cal->dev, "Frame desc do not describe CSI-2 link"); + return -EINVAL; + } + + return 0; +} + /* ------------------------------------------------------------------ * V4L2 Subdev Operations * ------------------------------------------------------------------ diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index fcc81024ae18..7975bb449acd 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -469,10 +469,56 @@ static bool cal_ctx_wr_dma_stopped(struct cal_ctx *ctx) return stopped; } +static int +cal_get_remote_frame_desc_entry(struct cal_camerarx *phy, u32 stream, + struct v4l2_mbus_frame_desc_entry *entry) +{ + struct v4l2_mbus_frame_desc fd; + unsigned int i; + int ret; + + ret = cal_camerarx_get_remote_frame_desc(phy, &fd); + if (ret) { + if (ret != -ENOIOCTLCMD) + dev_err(phy->cal->dev, + "Failed to get remote frame desc: %d\n", ret); + return ret; + } + + for (i = 0; i < fd.num_entries; i++) { + if (stream == fd.entry[i].stream) { + *entry = fd.entry[i]; + return 0; + } + } + + return -ENODEV; +} + int cal_ctx_prepare(struct cal_ctx *ctx) { + struct v4l2_mbus_frame_desc_entry entry; int ret; + ret = cal_get_remote_frame_desc_entry(ctx->phy, ctx->stream, &entry); + + if (ret == -ENOIOCTLCMD) { + ctx->vc = 0; + ctx->datatype = CAL_CSI2_CTX_DT_ANY; + } else if (!ret) { + ctx_dbg(2, ctx, "Framedesc: stream %u, len %u, vc %u, dt %#x\n", + entry.stream, + entry.length, + entry.bus.csi2.vc, + entry.bus.csi2.dt); + + ctx->vc = entry.bus.csi2.vc; + ctx->datatype = entry.bus.csi2.dt; + } else { + ctx_err(ctx, "Failed to get remote frame desc: %d\n", ret); + return ret; + } + ctx->use_pix_proc = !ctx->fmtinfo->meta; if (ctx->use_pix_proc) { @@ -925,8 +971,7 @@ static struct cal_ctx *cal_ctx_create(struct cal_dev *cal, int inst) ctx->dma_ctx = inst; ctx->csi2_ctx = inst; ctx->cport = inst; - ctx->vc = 0; - ctx->datatype = CAL_CSI2_CTX_DT_ANY; + ctx->stream = 0; ret = cal_ctx_v4l2_init(ctx); if (ret) diff --git a/drivers/media/platform/ti-vpe/cal.h b/drivers/media/platform/ti-vpe/cal.h index 29b865d1a238..3aea444f8bf8 100644 --- a/drivers/media/platform/ti-vpe/cal.h +++ b/drivers/media/platform/ti-vpe/cal.h @@ -245,6 +245,7 @@ struct cal_ctx { u8 pix_proc; u8 vc; u8 datatype; + u32 stream; bool use_pix_proc; }; @@ -318,6 +319,8 @@ const struct cal_format_info *cal_format_by_code(u32 code); void cal_quickdump_regs(struct cal_dev *cal); +int cal_camerarx_get_remote_frame_desc(struct cal_camerarx *phy, + struct v4l2_mbus_frame_desc *fd); void cal_camerarx_disable(struct cal_camerarx *phy); void cal_camerarx_i913_errata(struct cal_camerarx *phy); struct cal_camerarx *cal_camerarx_create(struct cal_dev *cal,