From patchwork Sat Aug 17 22:46:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Walklin X-Patchwork-Id: 13767278 Received: from fout6-smtp.messagingengine.com (fout6-smtp.messagingengine.com [103.168.172.149]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 033E1156237; Sat, 17 Aug 2024 23:08:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=103.168.172.149 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723936131; cv=none; b=mSecpK5bsSAykB/IOilvdbQ7/4nlCvk4kIsJ/+1W7I6Tbb14FfLC7VsrbtKVFg6+TqjHheM7OGNg/oNTlGszSaSRuJPMYigLKLQWw57MW0/y+yPPv39Y92gKDuYavNA84cRlYo9Eu2sKnCWHA/tFxK9d+onxIplnFsG3MaSJtH4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723936131; c=relaxed/simple; bh=rTw6sGmQaRe++FHzbZoWkvwQFbcz4mfeaup2BZRj0hY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ez8tmod/8tjf8673QDYNpee7ymrbbAwex6vv/2TCTkSmRkSo8QbNJ5PUDx/HjXAASXTeohvP5tDs3haKTAfpJLb7NxGCPCV9s6UefgigzK7h72hZkIkFFnlU0rfY67RKm5P5FEjhJga4cZcfVCYHC8UcaVYS8IqlJwkUQwrN16g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=testtoast.com; spf=pass smtp.mailfrom=testtoast.com; dkim=pass (2048-bit key) header.d=testtoast.com header.i=@testtoast.com header.b=U+085l8T; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=qX1Zf6pu; arc=none smtp.client-ip=103.168.172.149 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=testtoast.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=testtoast.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=testtoast.com header.i=@testtoast.com header.b="U+085l8T"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="qX1Zf6pu" Received: from phl-compute-03.internal (phl-compute-03.nyi.internal [10.202.2.43]) by mailfout.nyi.internal (Postfix) with ESMTP id 5A62B138E2B7; Sat, 17 Aug 2024 19:08:49 -0400 (EDT) Received: from phl-mailfrontend-01 ([10.202.2.162]) by phl-compute-03.internal (MEProxy); Sat, 17 Aug 2024 19:08:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=testtoast.com; h=cc:cc:content-transfer-encoding:content-type:date:date:from :from:in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to; s=fm3; t=1723936129; x= 1724022529; bh=8S+7HQMN+NZh1yqwQqSAV3SQTRtz4dL1T7UkDqboUtg=; b=U +085l8Tw2BmMY+mjzl595FKMFLfJzDtluAkAZ3ogTCTPEWjUf8L9aC45j2OdFjME /Z2Rns6QjpnO8R5D9eDBymp7uZ72cPj8AYmcGYfGb1yXrRrZNTUklT2S1iysZGWI ustOOUpceHB55IBDZJJnwebW/qGbD8qHbJ0Vo03J/viR0f1nGqJ0hQBENsKXNR9t hRJ0rXOAt+sJORqhegxq6+cvMFt047+6UvP0Khxq1aDX0UdcUxT9Joq2ogmFcDVn AUqgbf3cXk6aEZcYvU43ahx5cj96XTi8b3Gr8zt1yPDgtjccFrlbM4WskJinN5Aq yAY7MQNUQHBp4gqff2hwQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t=1723936129; x= 1724022529; bh=8S+7HQMN+NZh1yqwQqSAV3SQTRtz4dL1T7UkDqboUtg=; b=q X1Zf6pu2S2KrP77LveOokKl/UzlABo8XT1ZETrUnPeCzsjXZxjR4MVkDvbU6V3Y9 XOqX4468QJt7KRx6Mai94USNd7T+X2fE4Up60NjR6i3yqMdF/3x0ALQT0tXBqP1N pUUnooyw7/m415+j7L/SYDTFdvNUhCVNl154ns9+iJhXnvUwBwanHUdSldnVfj5c 60+iMjq68cMorh3RpGnQCuBk0MsDBjoDc6urVqfIKgYtVQVDVqKqJ77nnoXoAydy LcyaYQ/IKQm579MG1Q9Wd+BrfXdJUISZ4KGMlBrzFI/ylFy1L0I8IxP9QE/wXeR3 hstniUjUANAgpCmqKAy8A== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeftddrudduuddgudekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgfnhhsuhgsshgtrhhisggvpdfu rfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnh htshculddquddttddmnecujfgurhephffvvefufffkofgjfhgggfestdekredtredttden ucfhrhhomheptfihrghnucghrghlkhhlihhnuceorhihrghnsehtvghsthhtohgrshhtrd gtohhmqeenucggtffrrghtthgvrhhnpeffheeiffegtdfgffejteevgeefkeelieelkeev ueetffetteduffevgeeiieehteenucevlhhushhtvghrufhiiigvpeefnecurfgrrhgrmh epmhgrihhlfhhrohhmpehrhigrnhesthgvshhtthhorghsthdrtghomhdpnhgspghrtghp thhtohepvddvpdhmohguvgepshhmthhpohhuthdprhgtphhtthhopehmrhhiphgrrhguse hkvghrnhgvlhdrohhrghdprhgtphhtthhopeifvghnshestghsihgvrdhorhhgpdhrtghp thhtohepmhgrrghrthgvnhdrlhgrnhhkhhhorhhstheslhhinhhugidrihhnthgvlhdrtg homhdprhgtphhtthhopehtiihimhhmvghrmhgrnhhnsehsuhhsvgdruggvpdhrtghpthht oheprghirhhlihgvugesghhmrghilhdrtghomhdprhgtphhtthhopegurghnihgvlhesfh hffihllhdrtghhpdhrtghpthhtohepjhgvrhhnvghjrdhskhhrrggsvggtsehgmhgrihhl rdgtohhmpdhrtghpthhtohepshgrmhhuvghlsehshhholhhlrghnugdrohhrghdprhgtph htthhopehrohgshheskhgvrhhnvghlrdhorhhg X-ME-Proxy: Feedback-ID: idc0145fc:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 17 Aug 2024 19:08:42 -0400 (EDT) From: Ryan Walklin To: Maxime Ripard , Chen-Yu Tsai , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Jernej Skrabec , Samuel Holland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd Cc: Andre Przywara , Chris Morgan , John Watts , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, Ryan Walklin Subject: [PATCH v3 26/26] drm: sun4i: de33: csc: add Display Engine 3.3 (DE33) support Date: Sun, 18 Aug 2024 10:46:13 +1200 Message-ID: <20240817230503.158889-27-ryan@testtoast.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240817230503.158889-1-ryan@testtoast.com> References: <20240817230503.158889-1-ryan@testtoast.com> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Jernej Skrabec Like earlier DE versions, the DE33 has a CSC (Color Space Correction) module. which provides color space conversion between BT2020/BT709, and dynamic range conversion between SDR/ST2084/HLG. Add support for the DE33. Signed-off-by: Jernej Skrabec Signed-off-by: Ryan Walklin --- drivers/gpu/drm/sun4i/sun8i_csc.c | 96 +++++++++++++++++++++++++++++++ drivers/gpu/drm/sun4i/sun8i_csc.h | 3 + 2 files changed, 99 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.c b/drivers/gpu/drm/sun4i/sun8i_csc.c index 2d5a2cf7cba24..45bd1ca06400e 100644 --- a/drivers/gpu/drm/sun4i/sun8i_csc.c +++ b/drivers/gpu/drm/sun4i/sun8i_csc.c @@ -238,6 +238,14 @@ static const u32 yuv2yuv_de3[2][3][3][12] = { }, }; +static u32 sun8i_csc_base(struct sun8i_mixer *mixer, int layer) +{ + if (mixer->cfg->de_type == sun8i_mixer_de33) + return sun8i_channel_base(mixer, layer) - 0x800; + else + return ccsc_base[mixer->cfg->ccsc][layer]; +} + static void sun8i_csc_setup(struct regmap *map, u32 base, enum format_type fmt_type, enum drm_color_encoding encoding, @@ -358,6 +366,90 @@ static void sun8i_de3_ccsc_setup(struct sunxi_engine *engine, int layer, mask, val); } +/* extract constant from high word and invert sign if necessary */ +static u32 sun8i_de33_ccsc_get_constant(u32 value) +{ + value >>= 16; + + if (value & BIT(15)) + return 0x400 - (value & 0x3ff); + + return value; +} + +static void sun8i_de33_convert_table(const u32 *src, u32 *dst) +{ + dst[0] = sun8i_de33_ccsc_get_constant(src[3]); + dst[1] = sun8i_de33_ccsc_get_constant(src[7]); + dst[2] = sun8i_de33_ccsc_get_constant(src[11]); + memcpy(&dst[3], src, sizeof(u32) * 12); + dst[6] &= 0xffff; + dst[10] &= 0xffff; + dst[14] &= 0xffff; +} + +static void sun8i_de33_ccsc_setup(struct sun8i_mixer *mixer, int layer, + enum format_type fmt_type, + enum drm_color_encoding encoding, + enum drm_color_range range) +{ + u32 addr, val = 0, base, csc[15]; + struct sunxi_engine *engine; + struct regmap *map; + const u32 *table; + int i; + + table = yuv2rgb_de3[range][encoding]; + base = sun8i_csc_base(mixer, layer); + engine = &mixer->engine; + map = engine->regs; + + switch (fmt_type) { + case FORMAT_TYPE_RGB: + if (engine->format == MEDIA_BUS_FMT_RGB888_1X24) + break; + val = SUN8I_CSC_CTRL_EN; + sun8i_de33_convert_table(rgb2yuv_de3[engine->encoding], csc); + regmap_bulk_write(map, SUN50I_CSC_COEFF(base, 0), csc, 15); + break; + case FORMAT_TYPE_YUV: + table = sun8i_csc_get_de3_yuv_table(encoding, range, + engine->format, + engine->encoding); + if (!table) + break; + val = SUN8I_CSC_CTRL_EN; + sun8i_de33_convert_table(table, csc); + regmap_bulk_write(map, SUN50I_CSC_COEFF(base, 0), csc, 15); + break; + case FORMAT_TYPE_YVU: + table = sun8i_csc_get_de3_yuv_table(encoding, range, + engine->format, + engine->encoding); + if (!table) + table = yuv2yuv_de3[range][encoding][encoding]; + val = SUN8I_CSC_CTRL_EN; + sun8i_de33_convert_table(table, csc); + for (i = 0; i < 15; i++) { + addr = SUN50I_CSC_COEFF(base, i); + if (i > 3) { + if (((i - 3) & 3) == 1) + addr = SUN50I_CSC_COEFF(base, i + 1); + else if (((i - 3) & 3) == 2) + addr = SUN50I_CSC_COEFF(base, i - 1); + } + regmap_write(map, addr, csc[i]); + } + break; + default: + val = 0; + DRM_WARN("Wrong CSC mode specified.\n"); + return; + } + + regmap_write(map, SUN8I_CSC_CTRL(base), val); +} + void sun8i_csc_set_ccsc(struct sun8i_mixer *mixer, int layer, enum format_type fmt_type, enum drm_color_encoding encoding, @@ -369,6 +461,10 @@ void sun8i_csc_set_ccsc(struct sun8i_mixer *mixer, int layer, sun8i_de3_ccsc_setup(&mixer->engine, layer, fmt_type, encoding, range); return; + } else if (mixer->cfg->de_type == sun8i_mixer_de33) { + sun8i_de33_ccsc_setup(mixer, layer, fmt_type, + encoding, range); + return; } if (layer < mixer->cfg->vi_num) { diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.h b/drivers/gpu/drm/sun4i/sun8i_csc.h index b7546e06e315c..2b762cb79f02c 100644 --- a/drivers/gpu/drm/sun4i/sun8i_csc.h +++ b/drivers/gpu/drm/sun4i/sun8i_csc.h @@ -20,6 +20,9 @@ struct sun8i_mixer; #define SUN8I_CSC_CTRL(base) ((base) + 0x0) #define SUN8I_CSC_COEFF(base, i) ((base) + 0x10 + 4 * (i)) +#define SUN50I_CSC_COEFF(base, i) ((base) + 0x04 + 4 * (i)) +#define SUN50I_CSC_ALPHA(base) ((base) + 0x40) + #define SUN8I_CSC_CTRL_EN BIT(0) enum format_type {