From patchwork Tue Dec 17 00:40:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 13910786 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 09D6DE7717F for ; Tue, 17 Dec 2024 00:46:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=x46/uKz3thUhhEYt0bthNHuivOrQFM4fzTuZszunupE=; b=g92P4j6kwdl7xp FJF9rXVOjbBUUlfPZeCDdihhdraFqxZ60RPAXrENPaXsRmEyQpYrZlkaMJOvhUtA6if1psH8eMkdk TRrWa9TV4LuF1mnsFzzKgLWxhn7jofpYCAiqB2ixT/ud/c28j3LcOm5pm8QjL5kjcVwXjt5pFuxEA I3RZXz5CT5pztANjo8iYiAiRQ+4DcoXsMGS2s9P7oW8O3SirHDvMj93+zpHuhMgJwUFa+3FWU3aSc ViHzMmp8ze0LsOIRvAYIP6VU2Zy1xnXgn+Sh6CIpkH5omOi+edWtDtcyyyYL/hlxX+c25+Xgg5dbY ToDsajtXuAbUBhl0tUJw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tNLiw-0000000BmQ6-0jEo; Tue, 17 Dec 2024 00:46:06 +0000 Received: from mail-lf1-x132.google.com ([2a00:1450:4864:20::132]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tNLdi-0000000Bkiz-3pHz for linux-rockchip@lists.infradead.org; Tue, 17 Dec 2024 00:40:44 +0000 Received: by mail-lf1-x132.google.com with SMTP id 2adb3069b0e04-54024ecc33dso5118897e87.0 for ; Mon, 16 Dec 2024 16:40:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1734396041; x=1735000841; darn=lists.infradead.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=MiObWLNnp/lNms37zqYTibfnnjS8M46+hGSJ1XV8gLo=; b=rGTd/TUkaavFsfDpGRCvg1e3F0iaZU+ikQvDMHSBBsoynriecBkDmFAONjZxLj+CBl UvaFGhUXQyBu48yulElbwJTuhHSlpqeUlojUMhi55mbjhRxN1h0eUb9//A2pi3ZuREl9 2fNQSQ9yB5WqGaATI4IQmo2yIONatKnAVFu4awlbdQUzT0dSP5z/MfMmLik7rwDUsppg 7ZsKhejay9NDCVYdjmZCdMXHM9mR/4BYekcq0ut72UNqul9Hrm4+kaHvWkbWiZ9jyG43 EVfFeXBzrNnjd0oOhDncihJOvbEtOq1pNmX1BG2HIIwbrNLzSAF/YXHB3IYduuAIx9Jg ZfIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734396041; x=1735000841; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=MiObWLNnp/lNms37zqYTibfnnjS8M46+hGSJ1XV8gLo=; b=Deb2GNBt8DMIoOR5Vh9ta+G9YgiJbyjpREbMRUovRS6uJ95lTNNrSs5Cc/BjltvMUS c33bi4loL/BED/lOkzph3lRYy8FN/ktC6SweyPdoDFgZ0neaZHn3Tnf4xFllY+Le/ACv 0Jz34E/KCrk2GyKqDez0JAW1w0gceW8vANcoEPeC/2lJ19y/Vgb7HR4/qjGIB2x9StZ5 vqCnQYn9Xy0sVvDPTLBHywfI3xDT4lnL8Qg/GzAXaTq2y86PRxt0cWkPt4pOJ8DFBJbQ j1XBGC/a/RY+iM/+g33EYQZrFuUKT8Thl0EsBCawm+6CSVS5XFDZkrJTYUlEYHYvuHD/ o3OQ== X-Forwarded-Encrypted: i=1; AJvYcCUKfkI3c7OWfL+YKUwGplGnphxM+9kir7LPh6L5d+TV8djUkJlnhuG99z9dyNR5w5ZaLmdaJE/LehPfbF/QkQ==@lists.infradead.org X-Gm-Message-State: AOJu0YyISKVzXm0lydJKs9lKz4B52EPWqqI3QcdHWnd1HlEHLTzgt56r WER1rkHQbKcigaGz9cGUcbE5OfD5S0m8DgFlhgLOisfWRYOI6fkmIbrMN701Z4w= X-Gm-Gg: ASbGncteXeE9QSHCiaoC67YJ75qofBd6RsSum/QDBk4ncGbu6wpp7CrduXT1N52aXXW TDn8d2QnXwyCE93TkD+CQu4U7SV96RZz4Sf0bYyw546YKg0gl9UAXu8+hA/TLz6c5zjmTsDcQDV fXCkn4Yl0BlQyqW7Hi6v5N1jsxdks2RiX+WP9rV95jPZQflMNI+mDJGF6tDuO2+4gHKp9Regbhw xGqaaLsSLJ3utkLDBGz9hxDzqoIeYXHv4jVLDNqVBVA9Fsw2e6W6LWvYceYeMBX X-Google-Smtp-Source: AGHT+IH8FCJNRTQaFIEe2yKx2pyVXPX/RXFWH8bw/lptiC1eLeCGC/id3QDtgZDTMxOwMt4tRDIFNQ== X-Received: by 2002:a05:6512:b86:b0:540:2549:bd36 with SMTP id 2adb3069b0e04-5408cee91eemr5615420e87.4.1734396041274; Mon, 16 Dec 2024 16:40:41 -0800 (PST) Received: from umbar.lan ([192.130.178.90]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-54120ba9ab2sm1009122e87.74.2024.12.16.16.40.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Dec 2024 16:40:39 -0800 (PST) From: Dmitry Baryshkov Date: Tue, 17 Dec 2024 02:40:27 +0200 Subject: [PATCH v7 05/10] drm/bridge: lt9611: switch to using the DRM HDMI codec framework MIME-Version: 1.0 Message-Id: <20241217-drm-bridge-hdmi-connector-v7-5-cb9df2b6a515@linaro.org> References: <20241217-drm-bridge-hdmi-connector-v7-0-cb9df2b6a515@linaro.org> In-Reply-To: <20241217-drm-bridge-hdmi-connector-v7-0-cb9df2b6a515@linaro.org> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jaroslav Kysela , Takashi Iwai , Liam Girdwood , Mark Brown , Phong LE , Inki Dae , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Alim Akhtar , Russell King , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Alain Volmat , Raphael Gallais-Pou , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Cana?= =?utf-8?q?l?= , Raspberry Pi Kernel Maintenance Cc: Jani Nikula , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=7888; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=blHynooi501M6eeyloC6kd8uxJXpc03F06fH28uf1hY=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBnYMh52FXP1fKxK+0R3wZhZ+fIrR7VxCUkl22NL bzIzKhf9vqJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZ2DIeQAKCRCLPIo+Aiko 1SYOCACoLRrXMLLLKBwLhMhIIooiEL2GKEjCUbiiKZAQLQnJP5TNMcMTF+rkeKxAOwepg01uWGj A7NcL5FYFwlg/VDGlkCznomFRaan9F++Jd715RWajT++oReLR85CG3G+pMmh077z3zDnFHuMBrZ xsKhjrFnL2yt/xNB4yOuWPCF9EOUruVtYyUpf91SqpERjCGgVg0rJ8xb1+H+Uz05JTZ1vKimwM8 pQ+/HO0hJixjbqu6icuDte4WWJVo3NLdVg91oT1Q4y5hF5xPrw8n0XiK3r/v8AGpZKRPT7B2YOC Zn0Aospnu+lC6trrWI9lZz3WE0siwNMo/0aNz4BKrqNF3O9e X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241216_164043_077719_684CAEB2 X-CRM114-Status: GOOD ( 17.05 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Make the Lontium LT9611 DSI-to-HDMI bridge driver use the DRM HDMI Codec framework. This enables programming of Audio InfoFrames using the HDMI Connector interface and also enables support for the missing features, including the ELD retrieval and better hotplug support. Reviewed-by: Maxime Ripard Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/bridge/lontium-lt9611.c | 170 +++++++++++++------------------- 1 file changed, 68 insertions(+), 102 deletions(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index 698a9a01783d28edc734b6932a7768978de65ffc..f0bcb8798467e86708df97dd963b9c69529f4981 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c @@ -45,7 +45,6 @@ struct lt9611 { struct device_node *dsi1_node; struct mipi_dsi_device *dsi0; struct mipi_dsi_device *dsi1; - struct platform_device *audio_pdev; bool ac_mode; @@ -864,6 +863,10 @@ static int lt9611_hdmi_clear_infoframe(struct drm_bridge *bridge, unsigned int mask; switch (type) { + case HDMI_INFOFRAME_TYPE_AUDIO: + mask = LT9611_INFOFRAME_AUDIO; + break; + case HDMI_INFOFRAME_TYPE_AVI: mask = LT9611_INFOFRAME_AVI; break; @@ -897,6 +900,11 @@ static int lt9611_hdmi_write_infoframe(struct drm_bridge *bridge, int i; switch (type) { + case HDMI_INFOFRAME_TYPE_AUDIO: + mask = LT9611_INFOFRAME_AUDIO; + addr = 0x84b2; + break; + case HDMI_INFOFRAME_TYPE_AVI: mask = LT9611_INFOFRAME_AVI; addr = 0x8440; @@ -940,6 +948,55 @@ lt9611_hdmi_tmds_char_rate_valid(const struct drm_bridge *bridge, return MODE_OK; } +static int lt9611_hdmi_codec_audio_startup(struct drm_connector *connector, + struct drm_bridge *bridge) +{ + struct lt9611 *lt9611 = bridge_to_lt9611(bridge); + + regmap_write(lt9611->regmap, 0x82d6, 0x8c); + regmap_write(lt9611->regmap, 0x82d7, 0x04); + + regmap_write(lt9611->regmap, 0x8406, 0x08); + regmap_write(lt9611->regmap, 0x8407, 0x10); + + regmap_write(lt9611->regmap, 0x8434, 0xd5); + + return 0; +} + +static int lt9611_hdmi_codec_prepare(struct drm_connector *connector, + struct drm_bridge *bridge, + struct hdmi_codec_daifmt *fmt, + struct hdmi_codec_params *hparms) +{ + struct lt9611 *lt9611 = bridge_to_lt9611(bridge); + + if (hparms->sample_rate == 48000) + regmap_write(lt9611->regmap, 0x840f, 0x2b); + else if (hparms->sample_rate == 96000) + regmap_write(lt9611->regmap, 0x840f, 0xab); + else + return -EINVAL; + + regmap_write(lt9611->regmap, 0x8435, 0x00); + regmap_write(lt9611->regmap, 0x8436, 0x18); + regmap_write(lt9611->regmap, 0x8437, 0x00); + + return drm_atomic_helper_connector_hdmi_update_audio_infoframe(connector, + &hparms->cea); +} + +static void lt9611_hdmi_codec_audio_shutdown(struct drm_connector *connector, + struct drm_bridge *bridge) +{ + struct lt9611 *lt9611 = bridge_to_lt9611(bridge); + + drm_atomic_helper_connector_hdmi_clear_audio_infoframe(connector); + + regmap_write(lt9611->regmap, 0x8406, 0x00); + regmap_write(lt9611->regmap, 0x8407, 0x00); +} + static const struct drm_bridge_funcs lt9611_bridge_funcs = { .attach = lt9611_bridge_attach, .mode_valid = lt9611_bridge_mode_valid, @@ -960,6 +1017,10 @@ static const struct drm_bridge_funcs lt9611_bridge_funcs = { .hdmi_tmds_char_rate_valid = lt9611_hdmi_tmds_char_rate_valid, .hdmi_write_infoframe = lt9611_hdmi_write_infoframe, .hdmi_clear_infoframe = lt9611_hdmi_clear_infoframe, + + .hdmi_codec_audio_startup = lt9611_hdmi_codec_audio_startup, + .hdmi_codec_prepare = lt9611_hdmi_codec_prepare, + .hdmi_codec_audio_shutdown = lt9611_hdmi_codec_audio_shutdown, }; static int lt9611_parse_dt(struct device *dev, @@ -1013,102 +1074,6 @@ static int lt9611_read_device_rev(struct lt9611 *lt9611) return ret; } -static int lt9611_hdmi_hw_params(struct device *dev, void *data, - struct hdmi_codec_daifmt *fmt, - struct hdmi_codec_params *hparms) -{ - struct lt9611 *lt9611 = data; - - if (hparms->sample_rate == 48000) - regmap_write(lt9611->regmap, 0x840f, 0x2b); - else if (hparms->sample_rate == 96000) - regmap_write(lt9611->regmap, 0x840f, 0xab); - else - return -EINVAL; - - regmap_write(lt9611->regmap, 0x8435, 0x00); - regmap_write(lt9611->regmap, 0x8436, 0x18); - regmap_write(lt9611->regmap, 0x8437, 0x00); - - return 0; -} - -static int lt9611_audio_startup(struct device *dev, void *data) -{ - struct lt9611 *lt9611 = data; - - regmap_write(lt9611->regmap, 0x82d6, 0x8c); - regmap_write(lt9611->regmap, 0x82d7, 0x04); - - regmap_write(lt9611->regmap, 0x8406, 0x08); - regmap_write(lt9611->regmap, 0x8407, 0x10); - - regmap_write(lt9611->regmap, 0x8434, 0xd5); - - return 0; -} - -static void lt9611_audio_shutdown(struct device *dev, void *data) -{ - struct lt9611 *lt9611 = data; - - regmap_write(lt9611->regmap, 0x8406, 0x00); - regmap_write(lt9611->regmap, 0x8407, 0x00); -} - -static int lt9611_hdmi_i2s_get_dai_id(struct snd_soc_component *component, - struct device_node *endpoint, - void *data) -{ - struct of_endpoint of_ep; - int ret; - - ret = of_graph_parse_endpoint(endpoint, &of_ep); - if (ret < 0) - return ret; - - /* - * HDMI sound should be located as reg = <2> - * Then, it is sound port 0 - */ - if (of_ep.port == 2) - return 0; - - return -EINVAL; -} - -static const struct hdmi_codec_ops lt9611_codec_ops = { - .hw_params = lt9611_hdmi_hw_params, - .audio_shutdown = lt9611_audio_shutdown, - .audio_startup = lt9611_audio_startup, - .get_dai_id = lt9611_hdmi_i2s_get_dai_id, -}; - -static struct hdmi_codec_pdata codec_data = { - .ops = <9611_codec_ops, - .max_i2s_channels = 8, - .i2s = 1, -}; - -static int lt9611_audio_init(struct device *dev, struct lt9611 *lt9611) -{ - codec_data.data = lt9611; - lt9611->audio_pdev = - platform_device_register_data(dev, HDMI_CODEC_DRV_NAME, - PLATFORM_DEVID_AUTO, - &codec_data, sizeof(codec_data)); - - return PTR_ERR_OR_ZERO(lt9611->audio_pdev); -} - -static void lt9611_audio_exit(struct lt9611 *lt9611) -{ - if (lt9611->audio_pdev) { - platform_device_unregister(lt9611->audio_pdev); - lt9611->audio_pdev = NULL; - } -} - static int lt9611_probe(struct i2c_client *client) { struct lt9611 *lt9611; @@ -1172,6 +1137,9 @@ static int lt9611_probe(struct i2c_client *client) i2c_set_clientdata(client, lt9611); + /* Disable Audio InfoFrame, enabled by default */ + regmap_update_bits(lt9611->regmap, 0x843d, LT9611_INFOFRAME_AUDIO, 0); + lt9611->bridge.funcs = <9611_bridge_funcs; lt9611->bridge.of_node = client->dev.of_node; lt9611->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID | @@ -1180,6 +1148,9 @@ static int lt9611_probe(struct i2c_client *client) lt9611->bridge.type = DRM_MODE_CONNECTOR_HDMIA; lt9611->bridge.vendor = "Lontium"; lt9611->bridge.product = "LT9611"; + lt9611->bridge.hdmi_codec_dev = dev; + lt9611->bridge.hdmi_codec_max_i2s_playback_channels = 8; + lt9611->bridge.hdmi_codec_dai_port = 2; drm_bridge_add(<9611->bridge); @@ -1201,10 +1172,6 @@ static int lt9611_probe(struct i2c_client *client) lt9611_enable_hpd_interrupts(lt9611); - ret = lt9611_audio_init(dev, lt9611); - if (ret) - goto err_remove_bridge; - return 0; err_remove_bridge: @@ -1225,7 +1192,6 @@ static void lt9611_remove(struct i2c_client *client) struct lt9611 *lt9611 = i2c_get_clientdata(client); disable_irq(client->irq); - lt9611_audio_exit(lt9611); drm_bridge_remove(<9611->bridge); regulator_bulk_disable(ARRAY_SIZE(lt9611->supplies), lt9611->supplies);