From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E214CC433E1 for ; Wed, 27 May 2020 15:52:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B822720776 for ; Wed, 27 May 2020 15:52:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cerno.tech header.i=@cerno.tech header.b="B+0/8m7n"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="gRJksPh1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390421AbgE0PwO (ORCPT ); Wed, 27 May 2020 11:52:14 -0400 Received: from new1-smtp.messagingengine.com ([66.111.4.221]:55251 "EHLO new1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727092AbgE0PvX (ORCPT ); Wed, 27 May 2020 11:51:23 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailnew.nyi.internal (Postfix) with ESMTP id 247085814E7; Wed, 27 May 2020 11:51:22 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Wed, 27 May 2020 11:51:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=R/Iv4t9jU57HB zmlc9k206Pehs9/f4kWZlarurIm8e8=; b=B+0/8m7nPNy8c5uM6pBi9ImMf1sId Yo8i96PrHB1X6lRbSEEPt4oJ3SiDcq6Astq2XmjHC5dd0k/peKO55sC2spcxRUKJ 4UAlw3e230s1JerQ39l6Rir6ZvtA43a7RVf9otoUJLMwykHNsGyTU6eMVhQKD/HV nLBMXd8oY6BazAGyzi60Ik7o3wshTVHymdEqPb6cHjYdY4kqnIt5ZNV/LMeQZg0c fH6lk8moEX3/Y2VEMm9siqtaXBGwNpAs6EbTbKgdLIacjsp2EY6jY0GXCylxBZHF jQ6QPcrTyKHVNut6FQTGtoQiN3Z+zRgaSyadew1BT1G/xkepEK9iCPsbA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=R/Iv4t9jU57HBzmlc9k206Pehs9/f4kWZlarurIm8e8=; b=gRJksPh1 mG7T2bvJ3dBfWAP14qAfcIgBwYwBT1FBXMLJ/BV+wCVjTYId/LZMQfTGaWp5iwTm BU6pULaKLLwfrdTG0ScuuV9f1pGaOxuz/HH5PMGx3To/Yzx/Vds/UUdz0DCNSrAc mnBsTsjAzlicCnAW3KsuqjAhzMLhnxUkSgrGQe46ccs/fbn7n7D1KF0/4555qwbU wkkYgeW0Ij5DLCbWWJL6gg/xUciSwvIx76bZro6gpyzTJYxJKhvHp0FrQBAlkstN gLa6P3/p3EEfcXMvP2Jdo+5EhO61wUDfhZRjdiIolj0qg+t5mPTPHRx0bEzp5pXW ts89vm4UvVLwNg== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduhedruddvgedgkeegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpeforgigihhm vgcutfhiphgrrhguuceomhgrgihimhgvsegtvghrnhhordhtvggthheqnecuggftrfgrth htvghrnhepvdekleevfeffkeejhfffueelteelfeduieefheduudfggffhhfffheevveeh hedvnecukfhppeeltddrkeelrdeikedrjeeinecuvehluhhsthgvrhfuihiivgepheejne curfgrrhgrmhepmhgrihhlfhhrohhmpehmrgigihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Received: from localhost (lfbn-tou-1-1502-76.w90-89.abo.wanadoo.fr [90.89.68.76]) by mail.messagingengine.com (Postfix) with ESMTPA id BC43430618B7; Wed, 27 May 2020 11:51:21 -0400 (EDT) From: Maxime Ripard To: Nicolas Saenz Julienne , Eric Anholt Cc: dri-devel@lists.freedesktop.org, linux-rpi-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Dave Stevenson , Tim Gover , Phil Elwell , Maxime Ripard Subject: [PATCH v3 079/105] drm/vc4: hdmi: Introduce resource init and variant Date: Wed, 27 May 2020 17:48:49 +0200 Message-Id: <908fa37d0c4a3602723a276ef60d48cfa37a926c.1590594512.git-series.maxime@cerno.tech> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The HDMI controllers found in the BCM2711 has a pretty different clock and registers areas than found in the older BCM283x SoCs. Let's create a variant structure to store the various adjustments we'll need later on, and a function to get the resources needed for one particular version. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_hdmi.c | 67 ++++++++++++++++++++++------------- drivers/gpu/drm/vc4/vc4_hdmi.h | 10 +++++- 2 files changed, 54 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 963be5bc1d5f..2b275585440d 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1178,38 +1178,23 @@ static const struct cec_adap_ops vc4_hdmi_cec_adap_ops = { }; #endif -static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) +static int vc4_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi) { -#ifdef CONFIG_DRM_VC4_HDMI_CEC - struct cec_connector_info conn_info; -#endif - struct platform_device *pdev = to_platform_device(dev); - struct drm_device *drm = dev_get_drvdata(master); - struct vc4_hdmi *vc4_hdmi; - struct drm_encoder *encoder; - struct device_node *ddc_node; - u32 value; - int ret; - - vc4_hdmi = devm_kzalloc(dev, sizeof(*vc4_hdmi), GFP_KERNEL); - if (!vc4_hdmi) - return -ENOMEM; - - vc4_hdmi->pdev = pdev; - encoder = &vc4_hdmi->encoder.base.base; - encoder->base.type = VC4_ENCODER_TYPE_HDMI0; + struct platform_device *pdev = vc4_hdmi->pdev; + struct device *dev = &pdev->dev; vc4_hdmi->hdmicore_regs = vc4_ioremap_regs(pdev, 0); if (IS_ERR(vc4_hdmi->hdmicore_regs)) return PTR_ERR(vc4_hdmi->hdmicore_regs); + vc4_hdmi->hdmi_regset.base = vc4_hdmi->hdmicore_regs; + vc4_hdmi->hdmi_regset.regs = hdmi_regs; + vc4_hdmi->hdmi_regset.nregs = ARRAY_SIZE(hdmi_regs); + vc4_hdmi->hd_regs = vc4_ioremap_regs(pdev, 1); if (IS_ERR(vc4_hdmi->hd_regs)) return PTR_ERR(vc4_hdmi->hd_regs); - vc4_hdmi->hdmi_regset.base = vc4_hdmi->hdmicore_regs; - vc4_hdmi->hdmi_regset.regs = hdmi_regs; - vc4_hdmi->hdmi_regset.nregs = ARRAY_SIZE(hdmi_regs); vc4_hdmi->hd_regset.base = vc4_hdmi->hd_regs; vc4_hdmi->hd_regset.regs = hd_regs; vc4_hdmi->hd_regset.nregs = ARRAY_SIZE(hd_regs); @@ -1219,12 +1204,44 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) DRM_ERROR("Failed to get pixel clock\n"); return PTR_ERR(vc4_hdmi->pixel_clock); } + vc4_hdmi->hsm_clock = devm_clk_get(dev, "hdmi"); if (IS_ERR(vc4_hdmi->hsm_clock)) { DRM_ERROR("Failed to get HDMI state machine clock\n"); return PTR_ERR(vc4_hdmi->hsm_clock); } + return 0; +} + +static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) +{ +#ifdef CONFIG_DRM_VC4_HDMI_CEC + struct cec_connector_info conn_info; +#endif + struct platform_device *pdev = to_platform_device(dev); + struct drm_device *drm = dev_get_drvdata(master); + const struct vc4_hdmi_variant *variant; + struct vc4_hdmi *vc4_hdmi; + struct drm_encoder *encoder; + struct device_node *ddc_node; + u32 value; + int ret; + + vc4_hdmi = devm_kzalloc(dev, sizeof(*vc4_hdmi), GFP_KERNEL); + if (!vc4_hdmi) + return -ENOMEM; + + vc4_hdmi->pdev = pdev; + variant = of_device_get_match_data(dev); + vc4_hdmi->variant = variant; + vc4_hdmi->encoder.base.type = VC4_ENCODER_TYPE_HDMI0; + encoder = &vc4_hdmi->encoder.base.base; + + ret = variant->init_resources(vc4_hdmi); + if (ret) + return ret; + ddc_node = of_parse_phandle(dev->of_node, "ddc", 0); if (!ddc_node) { DRM_ERROR("Failed to find ddc node in device tree\n"); @@ -1384,8 +1401,12 @@ static int vc4_hdmi_dev_remove(struct platform_device *pdev) return 0; } +static const struct vc4_hdmi_variant bcm2835_variant = { + .init_resources = vc4_hdmi_init_resources, +}; + static const struct of_device_id vc4_hdmi_dt_match[] = { - { .compatible = "brcm,bcm2835-hdmi" }, + { .compatible = "brcm,bcm2835-hdmi", .data = &bcm2835_variant }, {} }; diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h index 88794136d2e4..4cd712779ad3 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.h +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h @@ -21,6 +21,15 @@ to_vc4_hdmi_encoder(struct drm_encoder *encoder) return container_of(encoder, struct vc4_hdmi_encoder, base.base); } +struct vc4_hdmi; + +struct vc4_hdmi_variant { + /* Callback to get the resources (memory region, interrupts, + * clocks, etc) for that variant. + */ + int (*init_resources)(struct vc4_hdmi *vc4_hdmi); +}; + /* HDMI audio information */ struct vc4_hdmi_audio { struct snd_soc_card card; @@ -37,6 +46,7 @@ struct vc4_hdmi_audio { /* General HDMI hardware state. */ struct vc4_hdmi { struct platform_device *pdev; + const struct vc4_hdmi_variant *variant; struct vc4_hdmi_encoder encoder; struct drm_connector connector; -- git-series 0.9.1