From patchwork Tue Sep 1 11:16:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dafna Hirschfeld X-Patchwork-Id: 11747999 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 00A0F618 for ; Tue, 1 Sep 2020 11:58:01 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C7637206EF for ; Tue, 1 Sep 2020 11:58:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="dkjsBjRN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C7637206EF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ReCyvls92LoBQ+yPB2sYUja1ZJBIOn6wZd0piyB4NxE=; b=dkjsBjRNYQI9cuA5fQEf7WBJ0h 7BU7qb7c4Aa/w6vyYmMCPaJEK0V8wX+zQx9FJy55xXlDp5Kr7YtR9hQ6oGEGqkJ4PoOdyM1HG0/K4 xNEIaBECovnMbcEW4I3nLjsLNTEK8vlICtpNsVB0Nf+UqKL+9Wjt5Ritl9wVPAm3/y6yCfPHvc763 fQDiMcuKITYnfhnI/b1sWOZy2iusFi/Kw/zdAiJYr2143PykzN0V5Aint6dDGlqYBlVALJg4S/liP DpePBSWpTBIa37Nxsj8UC1HAC7t8V2yWfkMZ22YWbHlrkMd8sLDR1tYpD5Ozn2Z+Sh5HFOFgS26+x D4BvTAMw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kD4HB-0004hK-7M; Tue, 01 Sep 2020 11:16:33 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kD4H3-0004aY-3L for linux-rockchip@lists.infradead.org; Tue, 01 Sep 2020 11:16:29 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: dafna) with ESMTPSA id 5B9F426017C From: Dafna Hirschfeld To: linux-media@vger.kernel.org Subject: [PATCH v4 06/10] media: staging: rkisp1: add a helper function to enumerate supported mbus formats on capture Date: Tue, 1 Sep 2020 13:16:08 +0200 Message-Id: <20200901111612.10552-7-dafna.hirschfeld@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200901111612.10552-1-dafna.hirschfeld@collabora.com> References: <20200901111612.10552-1-dafna.hirschfeld@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200901_071625_373029_08CE478C X-CRM114-Status: GOOD ( 21.38 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mchehab@kernel.org, dafna.hirschfeld@collabora.com, dafna3@gmail.com, tfiga@chromium.org, hverkuil@xs4all.nl, linux-rockchip@lists.infradead.org, helen.koike@collabora.com, laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com, kernel@collabora.com, ezequiel@collabora.com MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org Add a function 'rkisp1_cap_enum_mbus_codes' that receive a pointer to 'v4l2_subdev_mbus_code_enum' and returns the next supported mbus format of the capture. The function assumes that pixel formats with identical 'mbus' are grouped together in the hardcoded arrays, therefore the order of the entries in the array 'rkisp1_sp_fmts' are adjusted. This function is a helper for the media bus enumeration of the source pad of the resizer entity. Signed-off-by: Dafna Hirschfeld Acked-by: Helen Koike --- drivers/staging/media/rkisp1/rkisp1-capture.c | 86 +++++++++++++------ drivers/staging/media/rkisp1/rkisp1-common.h | 11 +++ 2 files changed, 70 insertions(+), 27 deletions(-) diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c index d23c9adc8201..531381e1801a 100644 --- a/drivers/staging/media/rkisp1/rkisp1-capture.c +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c @@ -84,6 +84,10 @@ struct rkisp1_capture_config { } mi; }; +/* + * The supported pixel formats for mainpath. NOTE, pixel formats with identical 'mbus' + * are grouped together. This is assumed and used by the function rkisp1_cap_enum_mbus_codes + */ static const struct rkisp1_capture_fmt_cfg rkisp1_mp_fmts[] = { /* yuv422 */ { @@ -112,6 +116,13 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_mp_fmts[] = { .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, .mbus = MEDIA_BUS_FMT_YUYV8_2X8, }, + /* yuv400 */ + { + .fourcc = V4L2_PIX_FMT_GREY, + .uv_swap = 0, + .write_format = RKISP1_MI_CTRL_MP_WRITE_YUVINT, + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, + }, /* yuv420 */ { .fourcc = V4L2_PIX_FMT_NV21, @@ -144,13 +155,6 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_mp_fmts[] = { .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, }, - /* yuv400 */ - { - .fourcc = V4L2_PIX_FMT_GREY, - .uv_swap = 0, - .write_format = RKISP1_MI_CTRL_MP_WRITE_YUVINT, - .mbus = MEDIA_BUS_FMT_YUYV8_2X8, - }, /* raw */ { .fourcc = V4L2_PIX_FMT_SRGGB8, @@ -203,6 +207,10 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_mp_fmts[] = { }, }; +/* + * The supported pixel formats for selfpath. NOTE, pixel formats with identical 'mbus' + * are grouped together. This is assumed and used by the function rkisp1_cap_enum_mbus_codes + */ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = { /* yuv422 */ { @@ -236,6 +244,26 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = { .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422, .mbus = MEDIA_BUS_FMT_YUYV8_2X8, }, + /* yuv400 */ + { + .fourcc = V4L2_PIX_FMT_GREY, + .uv_swap = 0, + .write_format = RKISP1_MI_CTRL_SP_WRITE_INT, + .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV400, + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, + }, + /* rgb */ + { + .fourcc = V4L2_PIX_FMT_XBGR32, + .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, + .output_format = RKISP1_MI_CTRL_SP_OUTPUT_RGB888, + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, + }, { + .fourcc = V4L2_PIX_FMT_RGB565, + .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, + .output_format = RKISP1_MI_CTRL_SP_OUTPUT_RGB565, + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, + }, /* yuv420 */ { .fourcc = V4L2_PIX_FMT_NV21, @@ -274,26 +302,6 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = { .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420, .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, }, - /* yuv400 */ - { - .fourcc = V4L2_PIX_FMT_GREY, - .uv_swap = 0, - .write_format = RKISP1_MI_CTRL_SP_WRITE_INT, - .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV400, - .mbus = MEDIA_BUS_FMT_YUYV8_2X8, - }, - /* rgb */ - { - .fourcc = V4L2_PIX_FMT_XBGR32, - .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, - .output_format = RKISP1_MI_CTRL_SP_OUTPUT_RGB888, - .mbus = MEDIA_BUS_FMT_YUYV8_2X8, - }, { - .fourcc = V4L2_PIX_FMT_RGB565, - .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, - .output_format = RKISP1_MI_CTRL_SP_OUTPUT_RGB565, - .mbus = MEDIA_BUS_FMT_YUYV8_2X8, - }, }; static const struct rkisp1_capture_config rkisp1_capture_config_mp = { @@ -334,6 +342,30 @@ rkisp1_vdev_to_node(struct video_device *vdev) return container_of(vdev, struct rkisp1_vdev_node, vdev); } +int rkisp1_cap_enum_mbus_codes(struct rkisp1_capture *cap, + struct v4l2_subdev_mbus_code_enum *code) +{ + const struct rkisp1_capture_fmt_cfg *fmts = cap->config->fmts; + /* + * initialize curr_mbus to non existing mbus code 0 to ensure it is + * different from fmts[0].mbus + */ + u32 curr_mbus = 0; + int i, n = 0; + + for (i = 0; i < cap->config->fmt_size; i++) { + if (fmts[i].mbus == curr_mbus) + continue; + + curr_mbus = fmts[i].mbus; + if (n++ == code->index) { + code->code = curr_mbus; + return 0; + } + } + return -EINVAL; +} + /* ---------------------------------------------------------------------------- * Stream operations for self-picture path (sp) and main-picture path (mp) */ diff --git a/drivers/staging/media/rkisp1/rkisp1-common.h b/drivers/staging/media/rkisp1/rkisp1-common.h index 992d8ec4c448..8cdfcaab268e 100644 --- a/drivers/staging/media/rkisp1/rkisp1-common.h +++ b/drivers/staging/media/rkisp1/rkisp1-common.h @@ -410,6 +410,17 @@ static inline u32 rkisp1_read(struct rkisp1_device *rkisp1, unsigned int addr) return readl(rkisp1->base_addr + addr); } +/* + * rkisp1_cap_enum_mbus_codes - A helper function that return the i'th supported mbus code + * of the capture entity. This is used to enumerate the supported + * mbus codes on the source pad of the resizer. + * + * @cap: the capture entity + * @code: the mbus code, the function reads the code->index and fills the code->code + */ +int rkisp1_cap_enum_mbus_codes(struct rkisp1_capture *cap, + struct v4l2_subdev_mbus_code_enum *code); + /* * rkisp1_sd_adjust_crop_rect - adjust a rectangle to fit into another rectangle. *