From patchwork Fri Dec 20 19:17:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 13917318 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 2612BE77188 for ; Fri, 20 Dec 2024 19:24:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type: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=VyDrM1RcHSjAWZSRwQxavMgceh/Ar6qfKQgipfSX8T8=; b=sdDF5i8OQKGg+nvmbNb3UGdzZK ajiMKTC3XSSzNVoH+Pu9I5Pec2oKjifXz69DIVAbgBQjcEhkINVv7P9wnR0DhoEQ29bHWPjDUwJGy JSfEhmQAbcHoodn3vvhxUFaOsoevxpg6mNpqVhhQ6TYnTjSkH3tLXzCN05d4+W/P0qg3FXqrOVhmE NPyg2N54aQp0qdSM9lTGQ12X0EjCTqzQzqG8BX6a0qZ0A4UPEjZObfLDnXRo7FCNVMgEsBdGlbDSv ASszEhAhaseXFcyLxHY6shZ1ut/ViBwGfvityNyuRojCpBrluC2TLrpcg5wMy+WnpLb+SX9pWNV97 GuGuvpHQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tOibb-00000005vSi-10jt; Fri, 20 Dec 2024 19:24:11 +0000 Received: from mail-lj1-x233.google.com ([2a00:1450:4864:20::233]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tOiUy-00000005tVj-2jEw for linux-mediatek@lists.infradead.org; Fri, 20 Dec 2024 19:17:21 +0000 Received: by mail-lj1-x233.google.com with SMTP id 38308e7fff4ca-30229d5b229so22980901fa.0 for ; Fri, 20 Dec 2024 11:17:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1734722238; x=1735327038; 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=VyDrM1RcHSjAWZSRwQxavMgceh/Ar6qfKQgipfSX8T8=; b=p65jN7KCq8zcYML5av9XDbwJsMYbOJ7mwWKKojYfwm0yk6smbDSu1Uh8nSwGIEtehK poWVrxKW8yza0RefZYYqMnKW5/dSRN+QtRVte3nuGRVGKcNx8SjbOSYo8EmDg9R8ycOe +v/Cu0gD7GgOhC32BrIFUCToErHFm1ytkHGqMBZcvxMc3FWeLTRG8quYIBwD9nLLLaUt gOQP7QVnyb0cHYw9ezGL/Y/UH+/mM7RQi49mRvpq/RADQbvNsk+ITOsIHefBV9gKu6HL m1sk0TVMtTs+QdDjokUPEVXennaZU2vKOwJqN5bSnSjsX5U1/fQ3OZJzq+CHOhnX+rvs j5ZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734722238; x=1735327038; 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=VyDrM1RcHSjAWZSRwQxavMgceh/Ar6qfKQgipfSX8T8=; b=ePAieo7Yb2TfAhWPbfPSlSaPNL5zdghhyj4GEpCBDjQbQePaCBZJefw6Hpl0RrLvYN Yh+W4/Ucyq4Ml/jGINqecUNwA69s9Ch9ja/YH2AWzwyaCgUvHqE8wGy+tdl56up6hQSF KLG3ad/aMi7LYTIP/YAKGSGFCPHe86HKBom+htTefgQ33IbNTGHITsukq7Xmra7sfRH2 OsjpOnSP0L3IU4vPtjYI30POZd2hlWkDlyHC/PF66xGxjMYLDXQ8I5kvQV5BFnOQwwRu DCQQwxPcKYobzXp4B2CpzlORxJ2Amn5EIpWnlIX7z7ZJcYVQJI7oAOmQtUVJDPcv64rP fqIw== X-Forwarded-Encrypted: i=1; AJvYcCXemuFHWLo7/0FGlC/LGyM5KTBZZTq+MOowU+Yrytvy293DjIR01mLpiW/sI7JiybDBdmw+rSSJ/XSLp8Wzeg==@lists.infradead.org X-Gm-Message-State: AOJu0Yzi6tFKGFy16iaU08nE/SsnaOwvy4aIUbpwwLN0D/6ptkzfT3c/ dIUEwUwbXh91OfhORRQZz9Qyj2ipDJVWQVz1JQ0XsbtMe9fLs3rADP25hxDqrCk= X-Gm-Gg: ASbGncs15KKQAWLdtgln4Rx5bzgxqLOCg3YfQ8Hy7GxYaijHNcoICgJy+JAzltuSTWL DsTqHjPhBsVNQl771UnYFDmS24LVOocnGYKOSpgnNnVWKsdq9owSWso8gZgZ25gU7yPGo0+BHvn 2mDGIdtpdnd1/zkYE9UODszRRJpzZngV3R/EkVIoUIlfxBCxZFNnfhA7UzOLz4lbXJA0b6bdILs hgr/hG4FOF8BJs4PgLC7NWuxBIjGaHwxL3ukiuloyrNCNaDIv/dkzP4XrhRs142 X-Google-Smtp-Source: AGHT+IEEK+QLaFEPG58u/Q2WrtRSUUw+pip5MVAggol4Iab6WcnliUNP/ep7JVbr2R+Gq7oC5soQyQ== X-Received: by 2002:a2e:b8c5:0:b0:300:2731:4120 with SMTP id 38308e7fff4ca-30468535fefmr11160041fa.15.1734722237613; Fri, 20 Dec 2024 11:17:17 -0800 (PST) Received: from umbar.lan ([192.130.178.90]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-54223813877sm545141e87.149.2024.12.20.11.17.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Dec 2024 11:17:16 -0800 (PST) From: Dmitry Baryshkov Date: Fri, 20 Dec 2024 21:17:02 +0200 Subject: [PATCH v8 05/10] drm/bridge: lt9611: switch to using the DRM HDMI codec framework MIME-Version: 1.0 Message-Id: <20241220-drm-bridge-hdmi-connector-v8-5-2399dbae2990@linaro.org> References: <20241220-drm-bridge-hdmi-connector-v8-0-2399dbae2990@linaro.org> In-Reply-To: <20241220-drm-bridge-hdmi-connector-v8-0-2399dbae2990@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=7914; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=Tn9moe68HFeRWD7EdE6eUAywX+jvch/OLQEqavawxVA=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBnZcKuwUkQUUMWjzSmRHzdF5Di+0qMA4BVltfuB WnbljQ+OWSJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZ2XCrgAKCRCLPIo+Aiko 1ddVB/9pRzQBDRAtFpPwiqQBdzVPYzEREx1wjlxMnqySm/9HMdDwIkY83NynOfh+zmSTxTkJwx4 +wyZ01+zofpgYWuEyv4fs8ajlQuBVM73x8AOz+EaiXoHaYbVPsVgdllmOKwOmDVeli2UoLnV6Oi pA1BObw0mRvVeckca2MPTm7KLkufb84v6ruhAFqSo0vn3wN3htLjDs7rqYIER3kX5BvCgmAoPfE vog6y2RUxPsTP7OKknC8CplzHPmtaMOL7uFxIURRCcFus/jRowusDmZdhRvjRRxBHgUs/mXYlKG 7Ukl9qeu9Rv+TDZOj8c96CKH08ohfUuvAU3apcvizq5wUVEx 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-20241220_111720_689139_0540F982 X-CRM114-Status: GOOD ( 16.86 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=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 Tested-by: Dave Stevenson 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..11331e1d48a87c9acb048db5130bf635ec834fe0 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_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_audio_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_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_audio_startup = lt9611_hdmi_audio_startup, + .hdmi_audio_prepare = lt9611_hdmi_audio_prepare, + .hdmi_audio_shutdown = lt9611_hdmi_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_audio_dev = dev; + lt9611->bridge.hdmi_audio_max_i2s_playback_channels = 8; + lt9611->bridge.hdmi_audio_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);