From patchwork Thu Dec 29 13:31:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 13083514 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81F0BC4332F for ; Thu, 29 Dec 2022 13:33:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233502AbiL2NdM (ORCPT ); Thu, 29 Dec 2022 08:33:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233467AbiL2Ncx (ORCPT ); Thu, 29 Dec 2022 08:32:53 -0500 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2BE611A27; Thu, 29 Dec 2022 05:32:51 -0800 (PST) Received: from booty.fritz.box (unknown [77.244.183.192]) (Authenticated sender: luca.ceresoli@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id ED55AFF80C; Thu, 29 Dec 2022 13:32:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1672320770; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QpUjnvA46xMmwBUkncn2h7nPkRlvlM4H0yLJrPdnIDY=; b=AMMT6b6FL7g+tbwa4eMyRNTGBa6YqjHzIj1YpVk4HeyCa0wim3fR0KyOuQFSi1Y4lZdnmS qxlD+RLe0f730qieL8vbkOQQQM0Zvw/Aam8i6+YOgsawuP8wwlBwKrTvu5T223YziApf0+ NnQy3C+BtEgF7lsTCkAXCA/zT0BGAnH16l7/4C0Jk0um2Oq7tkO8OHN2TlgGBnfqiaO54T 4QcoEcniuNE4+mxnlUFoHm3XWyB/h8m6DkfsAFXJDDGFnUBpSGZvGC5pulcnSGufVuDL3S DGG+7/FZrIUYyQ42VJRsCS9R8HSaFwAe4IbH3cIQTJS8YaSU5AaIQdUcbGxSzA== From: Luca Ceresoli To: Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Luca Ceresoli , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Mauro Carvalho Chehab , Greg Kroah-Hartman , Dmitry Osipenko , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Thomas Petazzoni , Paul Kocialkowski , Richard Leitner Subject: [PATCH v3 13/21] staging: media: tegra-video: move tegra_channel_fmt_align to a per-soc op Date: Thu, 29 Dec 2022 14:31:57 +0100 Message-Id: <20221229133205.981397-14-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221229133205.981397-1-luca.ceresoli@bootlin.com> References: <20221229133205.981397-1-luca.ceresoli@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org tegra_channel_fmt_align() takes care of the size constraints, alignment and rounding requirements of the Tegra210 VI peripheral. Tegra20 has different constraints. In preparation for adding Tegra20 support, move this function to a new op in the soc-specific `struct tegra_vi_ops` . Also move to tegra210.c the T210-specific defines used in the moved code. No functional changes. Signed-off-by: Luca Ceresoli --- No changes in v3 No changes in v2 --- drivers/staging/media/tegra-video/tegra210.c | 36 ++++++++++++++++++ drivers/staging/media/tegra-video/vi.c | 40 +++----------------- drivers/staging/media/tegra-video/vi.h | 9 ++--- 3 files changed, 44 insertions(+), 41 deletions(-) diff --git a/drivers/staging/media/tegra-video/tegra210.c b/drivers/staging/media/tegra-video/tegra210.c index eb19dd5107ce..71483d0c19bf 100644 --- a/drivers/staging/media/tegra-video/tegra210.c +++ b/drivers/staging/media/tegra-video/tegra210.c @@ -17,6 +17,13 @@ #include "csi.h" #include "vi.h" +#define TEGRA210_MIN_WIDTH 32U +#define TEGRA210_MAX_WIDTH 32768U +#define TEGRA210_MIN_HEIGHT 32U +#define TEGRA210_MAX_HEIGHT 32768U + +#define SURFACE_ALIGN_BYTES 64 + #define TEGRA_VI_SYNCPT_WAIT_TIMEOUT msecs_to_jiffies(200) /* Tegra210 VI registers */ @@ -172,6 +179,34 @@ static u32 vi_csi_read(struct tegra_vi_channel *chan, u8 portno, /* * Tegra210 VI channel capture operations */ +static void tegra210_fmt_align(struct v4l2_pix_format *pix, unsigned int bpp) +{ + unsigned int min_bpl; + unsigned int max_bpl; + unsigned int bpl; + + /* + * The transfer alignment requirements are expressed in bytes. + * Clamp the requested width and height to the limits. + */ + pix->width = clamp(pix->width, TEGRA210_MIN_WIDTH, TEGRA210_MAX_WIDTH); + pix->height = clamp(pix->height, TEGRA210_MIN_HEIGHT, TEGRA210_MAX_HEIGHT); + + /* Clamp the requested bytes per line value. If the maximum bytes per + * line value is zero, the module doesn't support user configurable + * line sizes. Override the requested value with the minimum in that + * case. + */ + min_bpl = pix->width * bpp; + max_bpl = rounddown(TEGRA210_MAX_WIDTH, SURFACE_ALIGN_BYTES); + bpl = roundup(pix->bytesperline, SURFACE_ALIGN_BYTES); + + pix->bytesperline = clamp(bpl, min_bpl, max_bpl); + pix->sizeimage = pix->bytesperline * pix->height; + if (pix->pixelformat == V4L2_PIX_FMT_NV16) + pix->sizeimage *= 2; +} + static int tegra_channel_capture_setup(struct tegra_vi_channel *chan, u8 portno) { @@ -723,6 +758,7 @@ static const struct tegra_video_format tegra210_video_formats[] = { /* Tegra210 VI operations */ static const struct tegra_vi_ops tegra210_vi_ops = { + .vi_fmt_align = tegra210_fmt_align, .vi_start_streaming = tegra210_vi_start_streaming, .vi_stop_streaming = tegra210_vi_stop_streaming, }; diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 4e48eaa0fbdc..a76cad0e3026 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -456,36 +456,6 @@ static int tegra_channel_get_format(struct file *file, void *fh, return 0; } -static void tegra_channel_fmt_align(struct tegra_vi_channel *chan, - struct v4l2_pix_format *pix, - unsigned int bpp) -{ - unsigned int min_bpl; - unsigned int max_bpl; - unsigned int bpl; - - /* - * The transfer alignment requirements are expressed in bytes. - * Clamp the requested width and height to the limits. - */ - pix->width = clamp(pix->width, TEGRA_MIN_WIDTH, TEGRA_MAX_WIDTH); - pix->height = clamp(pix->height, TEGRA_MIN_HEIGHT, TEGRA_MAX_HEIGHT); - - /* Clamp the requested bytes per line value. If the maximum bytes per - * line value is zero, the module doesn't support user configurable - * line sizes. Override the requested value with the minimum in that - * case. - */ - min_bpl = pix->width * bpp; - max_bpl = rounddown(TEGRA_MAX_WIDTH, SURFACE_ALIGN_BYTES); - bpl = roundup(pix->bytesperline, SURFACE_ALIGN_BYTES); - - pix->bytesperline = clamp(bpl, min_bpl, max_bpl); - pix->sizeimage = pix->bytesperline * pix->height; - if (pix->pixelformat == V4L2_PIX_FMT_NV16) - pix->sizeimage *= 2; -} - static int __tegra_channel_try_format(struct tegra_vi_channel *chan, struct v4l2_pix_format *pix) { @@ -561,7 +531,7 @@ static int __tegra_channel_try_format(struct tegra_vi_channel *chan, return ret; v4l2_fill_pix_format(pix, &fmt.format); - tegra_channel_fmt_align(chan, pix, fmtinfo->bpp); + chan->vi->ops->vi_fmt_align(pix, fmtinfo->bpp); __v4l2_subdev_state_free(sd_state); @@ -613,7 +583,7 @@ static int tegra_channel_set_format(struct file *file, void *fh, return ret; v4l2_fill_pix_format(pix, &fmt.format); - tegra_channel_fmt_align(chan, pix, fmtinfo->bpp); + chan->vi->ops->vi_fmt_align(pix, fmtinfo->bpp); chan->format = *pix; chan->fmtinfo = fmtinfo; @@ -649,7 +619,7 @@ static int tegra_channel_set_subdev_active_fmt(struct tegra_vi_channel *chan) chan->format.bytesperline = chan->format.width * chan->fmtinfo->bpp; chan->format.sizeimage = chan->format.bytesperline * chan->format.height; - tegra_channel_fmt_align(chan, &chan->format, chan->fmtinfo->bpp); + chan->vi->ops->vi_fmt_align(&chan->format, chan->fmtinfo->bpp); tegra_channel_update_gangports(chan); return 0; @@ -818,7 +788,7 @@ static int tegra_channel_s_dv_timings(struct file *file, void *fh, chan->format.height = bt->height; chan->format.bytesperline = bt->width * chan->fmtinfo->bpp; chan->format.sizeimage = chan->format.bytesperline * bt->height; - tegra_channel_fmt_align(chan, &chan->format, chan->fmtinfo->bpp); + chan->vi->ops->vi_fmt_align(&chan->format, chan->fmtinfo->bpp); tegra_channel_update_gangports(chan); return 0; @@ -1149,7 +1119,7 @@ static int tegra_channel_init(struct tegra_vi_channel *chan) chan->format.height = TEGRA_DEF_HEIGHT; chan->format.bytesperline = TEGRA_DEF_WIDTH * chan->fmtinfo->bpp; chan->format.sizeimage = chan->format.bytesperline * TEGRA_DEF_HEIGHT; - tegra_channel_fmt_align(chan, &chan->format, chan->fmtinfo->bpp); + vi->ops->vi_fmt_align(&chan->format, chan->fmtinfo->bpp); ret = tegra_channel_host1x_syncpt_init(chan); if (ret) diff --git a/drivers/staging/media/tegra-video/vi.h b/drivers/staging/media/tegra-video/vi.h index dfd834a69848..1021c730b595 100644 --- a/drivers/staging/media/tegra-video/vi.h +++ b/drivers/staging/media/tegra-video/vi.h @@ -25,17 +25,11 @@ #define V4L2_CID_TEGRA_SYNCPT_TIMEOUT_RETRY (V4L2_CTRL_CLASS_CAMERA | 0x1001) -#define TEGRA_MIN_WIDTH 32U -#define TEGRA_MAX_WIDTH 32768U -#define TEGRA_MIN_HEIGHT 32U -#define TEGRA_MAX_HEIGHT 32768U - #define TEGRA_DEF_WIDTH 1920 #define TEGRA_DEF_HEIGHT 1080 #define TEGRA_IMAGE_FORMAT_DEF 32 #define MAX_FORMAT_NUM 64 -#define SURFACE_ALIGN_BYTES 64 enum tegra_vi_pg_mode { TEGRA_VI_PG_DISABLED = 0, @@ -45,6 +39,8 @@ enum tegra_vi_pg_mode { /** * struct tegra_vi_ops - Tegra VI operations + * @vi_fmt_align: modify `pix` to fit the hardware alignment + * requirements and fill image geometry * @vi_start_streaming: starts media pipeline, subdevice streaming, sets up * VI for capture and runs capture start and capture finish * kthreads for capturing frames to buffer and returns them back. @@ -52,6 +48,7 @@ enum tegra_vi_pg_mode { * back any queued buffers. */ struct tegra_vi_ops { + void (*vi_fmt_align)(struct v4l2_pix_format *pix, unsigned int bpp); int (*vi_start_streaming)(struct vb2_queue *vq, u32 count); void (*vi_stop_streaming)(struct vb2_queue *vq); };