From patchwork Wed Apr 28 13:25:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 12228749 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 8E5C2C43470 for ; Wed, 28 Apr 2021 13:25:54 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 1F77B61419 for ; Wed, 28 Apr 2021 13:25:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1F77B61419 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xs4all.nl Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4F6A26EB39; Wed, 28 Apr 2021 13:25:53 +0000 (UTC) Received: from lb2-smtp-cloud9.xs4all.net (lb2-smtp-cloud9.xs4all.net [194.109.24.26]) by gabe.freedesktop.org (Postfix) with ESMTPS id EA5426E209 for ; Wed, 28 Apr 2021 13:25:51 +0000 (UTC) Received: from cust-b5b5937f ([IPv6:fc0c:c16d:66b8:757f:c639:739b:9d66:799d]) by smtp-cloud9.xs4all.net with ESMTPA id bkCIlVh38k1MGbkCLlOQ26; Wed, 28 Apr 2021 15:25:50 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1619616350; bh=I4LsuZDj0z9KwAm2teshrnmEJ0OYeIIsMWZiM81gqYM=; h=From:To:Subject:Date:Message-Id:MIME-Version:From:Subject; b=rXR99iZF8f0jV11tUSwXymXDk+wv4VtXiULdKdDyEAPu/gX8AGoOf+G3kMzs3D/GH v/YVwPd55wjde871b5PHg8XCgsSPopvwdYj5FUzkI5EWgyakuhpQXJ8SjAwrcxlyDi 4DWAXtHB205kvmpb8Dsdr7wblAaRJwrTPuDKI8JZXnd2fjIBAlGT2yE8RqmPc+vuKy 4jZOWnDzQQXM3FlGmDrbTklQGn1UEH85Dl2ADtUy15VYpEB4kBaQX7FkhxgjsvyvJl Olo/59K/LvRN271flVbKeimWCVDqNzdz9xapj8YiC+3PPZC+8LjOacEn+6KrHYOHPi lMFlh+rbd3pzA== From: Hans Verkuil To: linux-media@vger.kernel.org Subject: [PATCHv3 1/6] drm: drm_bridge: add connector_attach/detach bridge ops Date: Wed, 28 Apr 2021 15:25:40 +0200 Message-Id: <20210428132545.1205162-2-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> References: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfDrP3ZirMCC5KFdn7pW3xJT36GgiPiG8oeeu4v+ykvL72offX23YO3z9jC3Z5A3iJgqrCaTh5BINYHL/fl1+6UAf1q4tbQv7yIhj9XqiNc2oo44NuArH Qk7jEPGgOwdgTf7SXvj1thAzyMVO47e+ukXninKLi9hK1WEZZZfkFh6ZbFIgwIVyfEd7aYkmSNuFBHa+RVRKgGaW/EcwuECIPmYxUya8YrL1EZWBDPj0kwc/ Bx4nGNi1jCHYtevo7SSe1i0AodVNrXmI8QC0rh9K6//bxK4LAiefiUoQzZ6WeXxUwZKJwKLGZ8oWBh5wYoXbZwaJvj6pFz7ERbjtOYft9pCDMMmTU23jKKQA TQpD6Js2iNFnXErB379sx6FxR+rMVw1saLg60AjHvr27i5dvrds8J7d40bqezwOZ8NaBhpMd X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Lindgren , Tomi Valkeinen , Laurent Pinchart , dri-devel@lists.freedesktop.org, Hans Verkuil Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add bridge connector_attach/detach ops. These ops are called when a bridge is attached or detached to a drm_connector. These ops can be used to register and unregister an HDMI CEC adapter for a bridge that supports CEC. Signed-off-by: Hans Verkuil Reviewed-by: Tomi Valkeinen --- drivers/gpu/drm/drm_bridge_connector.c | 25 +++++++++++++++++++++++- include/drm/drm_bridge.h | 27 ++++++++++++++++++++++++++ 2 files changed, 51 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c index 791379816837..0676677badfe 100644 --- a/drivers/gpu/drm/drm_bridge_connector.c +++ b/drivers/gpu/drm/drm_bridge_connector.c @@ -203,6 +203,11 @@ static void drm_bridge_connector_destroy(struct drm_connector *connector) { struct drm_bridge_connector *bridge_connector = to_drm_bridge_connector(connector); + struct drm_bridge *bridge; + + drm_for_each_bridge_in_chain(bridge_connector->encoder, bridge) + if (bridge->funcs->connector_detach) + bridge->funcs->connector_detach(bridge, connector); if (bridge_connector->bridge_hpd) { struct drm_bridge *hpd = bridge_connector->bridge_hpd; @@ -318,6 +323,7 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, struct i2c_adapter *ddc = NULL; struct drm_bridge *bridge; int connector_type; + int ret; bridge_connector = kzalloc(sizeof(*bridge_connector), GFP_KERNEL); if (!bridge_connector) @@ -375,6 +381,23 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; - return connector; + ret = 0; + /* call connector_attach for all bridges */ + drm_for_each_bridge_in_chain(encoder, bridge) { + if (!bridge->funcs->connector_attach) + continue; + ret = bridge->funcs->connector_attach(bridge, connector); + if (ret) + break; + } + if (!ret) + return connector; + + /* on error, detach any previously successfully attached connectors */ + list_for_each_entry_continue_reverse(bridge, &(encoder)->bridge_chain, + chain_node) + if (bridge->funcs->connector_detach) + bridge->funcs->connector_detach(bridge, connector); + return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(drm_bridge_connector_init); diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 2195daa289d2..333fbc3a03e9 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -629,6 +629,33 @@ struct drm_bridge_funcs { * the DRM_BRIDGE_OP_HPD flag in their &drm_bridge->ops. */ void (*hpd_disable)(struct drm_bridge *bridge); + + /** + * @connector_attach: + * + * This callback is invoked whenever our bridge is being attached to a + * &drm_connector. This is where an HDMI CEC adapter can be registered. + * + * The @connector_attach callback is optional. + * + * RETURNS: + * + * Zero on success, error code on failure. + */ + int (*connector_attach)(struct drm_bridge *bridge, + struct drm_connector *conn); + + /** + * @connector_detach: + * + * This callback is invoked whenever our bridge is being detached from a + * &drm_connector. This is where an HDMI CEC adapter can be + * unregistered. + * + * The @connector_detach callback is optional. + */ + void (*connector_detach)(struct drm_bridge *bridge, + struct drm_connector *conn); }; /** From patchwork Wed Apr 28 13:25:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 12228751 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 85264C433ED for ; Wed, 28 Apr 2021 13:25:59 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 24BEB61411 for ; Wed, 28 Apr 2021 13:25:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24BEB61411 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xs4all.nl Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D7CBE6E209; Wed, 28 Apr 2021 13:25:57 +0000 (UTC) Received: from lb1-smtp-cloud9.xs4all.net (lb1-smtp-cloud9.xs4all.net [194.109.24.22]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7690A6EB3A for ; Wed, 28 Apr 2021 13:25:52 +0000 (UTC) Received: from cust-b5b5937f ([IPv6:fc0c:c16d:66b8:757f:c639:739b:9d66:799d]) by smtp-cloud9.xs4all.net with ESMTPA id bkCIlVh38k1MGbkCMlOQ2G; Wed, 28 Apr 2021 15:25:50 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1619616350; bh=I08VdfG/6TBmNGImMatlyLkYtVqeih73S7Lec4XTago=; h=From:To:Subject:Date:Message-Id:MIME-Version:From:Subject; b=IfZm/3GCB5xTVBE8zF9tdw9dlc/D9PE0bUEPdZCkKgUYmf6gpXJOm8wx0wgO4UIL7 IBCjEwTMawMKIM5aG8QnQb0p637rDevXwVB5Qq7wRwjpiocmM3ubBrfvPWkuqDrAxf Zo8M+IjhB+uSixeBljmyDhTnDEV0PmeLugd3xYuQRUAaDcFjSpG56NBrafw7RocLxb 3gaO3ebYi5ghm23J9jK3LQGaj/pjYd3M0enPFlNmvic6RWdnlY/P6CO7ZjVfHUdvkF Gp9f10cEWJtFh/c8KsWMFFFTEMrL41unHgZ+pEiZoy9Tag5yRAz/NpTXxgk+Tflsfl LW/njwCaIFRhw== From: Hans Verkuil To: linux-media@vger.kernel.org Subject: [PATCHv3 2/6] drm/omapdrm/dss/hdmi4: switch to the connector bridge ops Date: Wed, 28 Apr 2021 15:25:41 +0200 Message-Id: <20210428132545.1205162-3-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> References: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfDrP3ZirMCC5KFdn7pW3xJT36GgiPiG8oeeu4v+ykvL72offX23YO3z9jC3Z5A3iJgqrCaTh5BINYHL/fl1+6UAf1q4tbQv7yIhj9XqiNc2oo44NuArH Qk7jEPGgOwdgTf7SXvj1thAzyMVO47e+ukXninKLi9hK1WEZZZfkFh6ZbFIgwIVyfEd7aYkmSNuFBHa+RVRKgGaW/EcwuECIPmYxUya8YrL1EZWBDPj0kwc/ Bx4nGNi1jCHYtevo7SSe1i0AodVNrXmI8QC0rh9K6//bxK4LAiefiUoQzZ6WeXxUwZKJwKLGZ8oWBh5wYoXbZwaJvj6pFz7ERbjtOYft9pCDMMmTU23jKKQA TQpD6Js2iNFnXErB379sx6FxR+rMVw1saLg60AjHvr27i5dvrds8J7d40bqezwOZ8NaBhpMd X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Lindgren , Tomi Valkeinen , Laurent Pinchart , dri-devel@lists.freedesktop.org, Hans Verkuil Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Implement the new connector_attach/detach bridge ops. This makes it possible to associate a CEC adapter with a drm connector, which helps userspace determine which cec device node belongs to which drm connector. Signed-off-by: Hans Verkuil Reviewed-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/dss/hdmi4.c | 28 ++++++++++++++++++------- drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c | 9 +++++--- drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h | 7 ++++--- 3 files changed, 30 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index 35b750cebaeb..e29d4d186265 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -482,6 +482,23 @@ static struct edid *hdmi4_bridge_get_edid(struct drm_bridge *bridge, return edid; } +static int hdmi4_bridge_connector_attach(struct drm_bridge *bridge, + struct drm_connector *conn) +{ + struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); + + hdmi4_cec_init(hdmi->pdev, &hdmi->core, &hdmi->wp, conn); + return 0; +} + +static void hdmi4_bridge_connector_detach(struct drm_bridge *bridge, + struct drm_connector *conn) +{ + struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); + + hdmi4_cec_uninit(&hdmi->core); +} + static const struct drm_bridge_funcs hdmi4_bridge_funcs = { .attach = hdmi4_bridge_attach, .mode_set = hdmi4_bridge_mode_set, @@ -492,6 +509,8 @@ static const struct drm_bridge_funcs hdmi4_bridge_funcs = { .atomic_disable = hdmi4_bridge_disable, .hpd_notify = hdmi4_bridge_hpd_notify, .get_edid = hdmi4_bridge_get_edid, + .connector_attach = hdmi4_bridge_connector_attach, + .connector_detach = hdmi4_bridge_connector_detach, }; static void hdmi4_bridge_init(struct omap_hdmi *hdmi) @@ -647,14 +666,10 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data) if (r) goto err_runtime_put; - r = hdmi4_cec_init(hdmi->pdev, &hdmi->core, &hdmi->wp); - if (r) - goto err_pll_uninit; - r = hdmi_audio_register(hdmi); if (r) { DSSERR("Registering HDMI audio failed\n"); - goto err_cec_uninit; + goto err_pll_uninit; } hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, @@ -664,8 +679,6 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data) return 0; -err_cec_uninit: - hdmi4_cec_uninit(&hdmi->core); err_pll_uninit: hdmi_pll_uninit(&hdmi->pll); err_runtime_put: @@ -682,7 +695,6 @@ static void hdmi4_unbind(struct device *dev, struct device *master, void *data) if (hdmi->audio_pdev) platform_device_unregister(hdmi->audio_pdev); - hdmi4_cec_uninit(&hdmi->core); hdmi_pll_uninit(&hdmi->pll); } diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c index 43592c1cf081..80ec52c9c846 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c @@ -335,10 +335,10 @@ void hdmi4_cec_set_phys_addr(struct hdmi_core_data *core, u16 pa) } int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, - struct hdmi_wp_data *wp) + struct hdmi_wp_data *wp, struct drm_connector *conn) { - const u32 caps = CEC_CAP_TRANSMIT | CEC_CAP_LOG_ADDRS | - CEC_CAP_PASSTHROUGH | CEC_CAP_RC; + const u32 caps = CEC_CAP_DEFAULTS | CEC_CAP_CONNECTOR_INFO; + struct cec_connector_info conn_info; int ret; core->adap = cec_allocate_adapter(&hdmi_cec_adap_ops, core, @@ -346,6 +346,8 @@ int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, ret = PTR_ERR_OR_ZERO(core->adap); if (ret < 0) return ret; + cec_fill_conn_info_from_drm(&conn_info, conn); + cec_s_conn_info(core->adap, &conn_info); core->wp = wp; /* Disable clock initially, hdmi_cec_adap_enable() manages it */ @@ -354,6 +356,7 @@ int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, ret = cec_register_adapter(core->adap, &pdev->dev); if (ret < 0) { cec_delete_adapter(core->adap); + core->adap = NULL; return ret; } return 0; diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h index 0292337c97cc..b59a54c3040e 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h @@ -29,7 +29,7 @@ struct platform_device; void hdmi4_cec_set_phys_addr(struct hdmi_core_data *core, u16 pa); void hdmi4_cec_irq(struct hdmi_core_data *core); int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, - struct hdmi_wp_data *wp); + struct hdmi_wp_data *wp, struct drm_connector *conn); void hdmi4_cec_uninit(struct hdmi_core_data *core); #else static inline void hdmi4_cec_set_phys_addr(struct hdmi_core_data *core, u16 pa) @@ -41,8 +41,9 @@ static inline void hdmi4_cec_irq(struct hdmi_core_data *core) } static inline int hdmi4_cec_init(struct platform_device *pdev, - struct hdmi_core_data *core, - struct hdmi_wp_data *wp) + struct hdmi_core_data *core, + struct hdmi_wp_data *wp, + struct drm_connector *conn) { return 0; } From patchwork Wed Apr 28 13:25:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 12228755 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 0F3DFC43460 for ; Wed, 28 Apr 2021 13:26:03 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 B9119613CE for ; Wed, 28 Apr 2021 13:26:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B9119613CE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xs4all.nl Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F21186EB3B; Wed, 28 Apr 2021 13:25:59 +0000 (UTC) Received: from lb3-smtp-cloud9.xs4all.net (lb3-smtp-cloud9.xs4all.net [194.109.24.30]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3E99B6EB39 for ; Wed, 28 Apr 2021 13:25:52 +0000 (UTC) Received: from cust-b5b5937f ([IPv6:fc0c:c16d:66b8:757f:c639:739b:9d66:799d]) by smtp-cloud9.xs4all.net with ESMTPA id bkCIlVh38k1MGbkCMlOQ2N; Wed, 28 Apr 2021 15:25:50 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1619616350; bh=S36k7BzdFChgNRjL/1UA4GOTaTR66NM9oXCXF+hBeG8=; h=From:To:Subject:Date:Message-Id:MIME-Version:From:Subject; b=AYlXuAjYtJaXq2Yyxi4XhR6yf9GT0z9sZ19pGdcxRTWHXojgbQAu7gWzkCnJfLAMM qtyif2JFX2g8VeNzhP8Tts09T3t7kvN4fVJGGFrsHolxizfHzJrOL4UHt/ySsjjlVd 3kxWRrx8dhApn1pV1vG43fTtQDYF/g4VRKdl+nOe0PmSdS0UtXH82InziU0cPhdK+b wQ2G4jL27TC6TXNz8f311NmNdOijk6ZI/4eTze66Dwq+oqvKI96gn4RRMk6hG8eJca lajSy9xGxL5+zicEdcFIo9a2D22mJxG9xVmH91vjyt8pnKrN6TVm7ycgH5o795UoBf LhzKGuKM6xRYQ== From: Hans Verkuil To: linux-media@vger.kernel.org Subject: [PATCHv3 3/6] drm/omapdrm/dss/hdmi4: simplify CEC Phys Addr handling Date: Wed, 28 Apr 2021 15:25:42 +0200 Message-Id: <20210428132545.1205162-4-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> References: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfDrP3ZirMCC5KFdn7pW3xJT36GgiPiG8oeeu4v+ykvL72offX23YO3z9jC3Z5A3iJgqrCaTh5BINYHL/fl1+6UAf1q4tbQv7yIhj9XqiNc2oo44NuArH Qk7jEPGgOwdgTf7SXvj1thAzyMVO47e+ukXninKLi9hK1WEZZZfkFh6ZbFIgwIVyfEd7aYkmSNuFBHa+RVRKgGaW/EcwuECIPmYxUya8YrL1EZWBDPj0kwc/ Bx4nGNi1jCHYtevo7SSe1i0AodVNrXmI8QC0rh9K6//bxK4LAiefiUoQzZ6WeXxUwZKJwKLGZ8oWBh5wYoXbZwaJvj6pFz7ERbjtOYft9pCDMMmTU23jKKQA TQpD6Js2iNFnXErB379sx6FxR+rMVw1saLg60AjHvr27i5dvrds8J7d40bqezwOZ8NaBhpMd X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Lindgren , Tomi Valkeinen , Laurent Pinchart , dri-devel@lists.freedesktop.org, Hans Verkuil Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Switch to using cec_s_phys_addr_from_edid() instead of a two-step process of calling cec_get_edid_phys_addr() followed by cec_s_phys_addr(). Signed-off-by: Hans Verkuil Reviewed-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/dss/hdmi4.c | 13 ++----------- drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c | 4 ++-- drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h | 5 +++-- 3 files changed, 7 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index e29d4d186265..40f791c668f4 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -432,7 +432,7 @@ static void hdmi4_bridge_hpd_notify(struct drm_bridge *bridge, struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); if (status == connector_status_disconnected) - hdmi4_cec_set_phys_addr(&hdmi->core, CEC_PHYS_ADDR_INVALID); + hdmi4_cec_set_phys_addr(&hdmi->core, NULL); } static struct edid *hdmi4_bridge_get_edid(struct drm_bridge *bridge, @@ -440,7 +440,6 @@ static struct edid *hdmi4_bridge_get_edid(struct drm_bridge *bridge, { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); struct edid *edid = NULL; - unsigned int cec_addr; bool need_enable; int r; @@ -466,15 +465,7 @@ static struct edid *hdmi4_bridge_get_edid(struct drm_bridge *bridge, hdmi_runtime_put(hdmi); mutex_unlock(&hdmi->lock); - if (edid && edid->extensions) { - unsigned int len = (edid->extensions + 1) * EDID_LENGTH; - - cec_addr = cec_get_edid_phys_addr((u8 *)edid, len, NULL); - } else { - cec_addr = CEC_PHYS_ADDR_INVALID; - } - - hdmi4_cec_set_phys_addr(&hdmi->core, cec_addr); + hdmi4_cec_set_phys_addr(&hdmi->core, edid); if (need_enable) hdmi4_core_disable(&hdmi->core); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c index 80ec52c9c846..cf406d86c845 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c @@ -329,9 +329,9 @@ static const struct cec_adap_ops hdmi_cec_adap_ops = { .adap_transmit = hdmi_cec_adap_transmit, }; -void hdmi4_cec_set_phys_addr(struct hdmi_core_data *core, u16 pa) +void hdmi4_cec_set_phys_addr(struct hdmi_core_data *core, struct edid *edid) { - cec_s_phys_addr(core->adap, pa, false); + cec_s_phys_addr_from_edid(core->adap, edid); } int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h index b59a54c3040e..16bf259643b7 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h @@ -26,13 +26,14 @@ struct platform_device; /* HDMI CEC funcs */ #ifdef CONFIG_OMAP4_DSS_HDMI_CEC -void hdmi4_cec_set_phys_addr(struct hdmi_core_data *core, u16 pa); +void hdmi4_cec_set_phys_addr(struct hdmi_core_data *core, struct edid *edid); void hdmi4_cec_irq(struct hdmi_core_data *core); int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, struct hdmi_wp_data *wp, struct drm_connector *conn); void hdmi4_cec_uninit(struct hdmi_core_data *core); #else -static inline void hdmi4_cec_set_phys_addr(struct hdmi_core_data *core, u16 pa) +static inline void hdmi4_cec_set_phys_addr(struct hdmi_core_data *core, + struct edid *edid) { } From patchwork Wed Apr 28 13:25:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 12228757 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 33279C433ED for ; Wed, 28 Apr 2021 13:26:05 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 C7A2E61151 for ; Wed, 28 Apr 2021 13:26:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C7A2E61151 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xs4all.nl Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E7FE86EB3F; Wed, 28 Apr 2021 13:26:00 +0000 (UTC) Received: from lb3-smtp-cloud9.xs4all.net (lb3-smtp-cloud9.xs4all.net [194.109.24.30]) by gabe.freedesktop.org (Postfix) with ESMTPS id AE79F6EB38 for ; Wed, 28 Apr 2021 13:25:52 +0000 (UTC) Received: from cust-b5b5937f ([IPv6:fc0c:c16d:66b8:757f:c639:739b:9d66:799d]) by smtp-cloud9.xs4all.net with ESMTPA id bkCIlVh38k1MGbkCMlOQ2U; Wed, 28 Apr 2021 15:25:51 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1619616351; bh=KLcMtNu/PFd88iBei8ARghAUq5qJBNqCP6cfIKCdetU=; h=From:To:Subject:Date:Message-Id:MIME-Version:From:Subject; b=GRr6xbBVTR6rrfZ6enGaYHDrmngDyvrjrrfsobfUBlMPeOMza/4XBYqmIsS/HfXqC VRWZuQrlk+x7nptnNer1Yop7+nXr4Dbsh2wdG7M+2yd8pbg0WZy9yMpKCGnVrMrJjt 3KA4MP0Ug6On3XzpL2XLKbipzIwl5mntzvJ772zDSzzfFQO9rmAE87M0nJhiG0U6yn lVAJYsM2evzwBoo/sOEzyf2fgjgpCsOhfMt0AGebeC+qOiQ1eI35nLhnp9QmLUDrv4 l5laTCvEasHljvYun/0OCu+hPyVshd0cWUlmwroMTY2/ZCmvRlmGdvpim5jtMB82fK +tGtL/KWjUYwg== From: Hans Verkuil To: linux-media@vger.kernel.org Subject: [PATCHv3 4/6] dt-bindings: display: ti: ti, omap5-dss.txt: add cec clock Date: Wed, 28 Apr 2021 15:25:43 +0200 Message-Id: <20210428132545.1205162-5-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> References: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfNLevcGa/vJcvtKdvEIiHy92QMBtnAfp4gJ5oaF5BD04x2mRHL2FhkBxrDLGL/QF5SPbt8HI0K+xfQ1Qw3yCultLrCTAHCKvOnCJ77XntJwkqGsYDCER sMdKdN4TwFN5jWYmh59ASlv4AsdunMo/Tw/wcTMkv1VviAxbNdZRIVtizp5q+ii3T7AUEzGTXdU9LyWXPfQwTk7PwC78VhJvefNWXf96Cqh1H9ykgmGJIAMk UFKKwhowjHKq3M+V4NTGQ+/coSmdnDKFW6T3bwipMS5TOp/mXHgslRevRPpMEIKIsv3/vOKo/2kbnxNQhiaFT2/olOcfVL6jpmeti3N+siiZ0CD3IkUsLCO/ mwL2SzB/3v6y1mNLbY+IPOUtPq9wbku7jKsmbgOUHCUhg3gUf2SgLZCUcE8D6C8VqsctMHXhVQwhcD9VdDZE8QKXsLbNRA== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Lindgren , Tomi Valkeinen , dri-devel@lists.freedesktop.org, Laurent Pinchart , Hans Verkuil Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The cec clock is required as well in order to support HDMI CEC, document this. Signed-off-by: Hans Verkuil Reviewed-by: Tomi Valkeinen Acked-by: Rob Herring --- Documentation/devicetree/bindings/display/ti/ti,omap5-dss.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/ti/ti,omap5-dss.txt b/Documentation/devicetree/bindings/display/ti/ti,omap5-dss.txt index 20861218649f..c321c67472f0 100644 --- a/Documentation/devicetree/bindings/display/ti/ti,omap5-dss.txt +++ b/Documentation/devicetree/bindings/display/ti/ti,omap5-dss.txt @@ -89,8 +89,8 @@ Required properties: - interrupts: the HDMI interrupt line - ti,hwmods: "dss_hdmi" - vdda-supply: vdda power supply -- clocks: handles to fclk and pll clock -- clock-names: "fck", "sys_clk" +- clocks: handles to fclk, pll and cec clock +- clock-names: "fck", "sys_clk", "cec" Optional nodes: - Video port for HDMI output From patchwork Wed Apr 28 13:25:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 12228761 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 61891C43460 for ; Wed, 28 Apr 2021 13:26:08 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 00C4F61151 for ; Wed, 28 Apr 2021 13:26:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 00C4F61151 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xs4all.nl Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C47146EB3D; Wed, 28 Apr 2021 13:26:01 +0000 (UTC) Received: from lb3-smtp-cloud9.xs4all.net (lb3-smtp-cloud9.xs4all.net [194.109.24.30]) by gabe.freedesktop.org (Postfix) with ESMTPS id EFD646E209 for ; Wed, 28 Apr 2021 13:25:52 +0000 (UTC) Received: from cust-b5b5937f ([IPv6:fc0c:c16d:66b8:757f:c639:739b:9d66:799d]) by smtp-cloud9.xs4all.net with ESMTPA id bkCIlVh38k1MGbkCNlOQ2l; Wed, 28 Apr 2021 15:25:51 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1619616351; bh=ZhPX/2YiOfLQlY4NwXvUB7h3vdPmjqi/LUYqzOp/Vv8=; h=From:To:Subject:Date:Message-Id:MIME-Version:From:Subject; b=hYDP5nf1f9J3FgMLusk9jnVK7napz+lpLjC8qHZN6dVQomsRK7S0xAWRfr0b+KOjx yLSQ+xaE3IyvyXKuJLBYb9ytJxE5TK5aM0yCvHnHDS+fpCy9QmMjwUn8FrGuAOxQSZ Z388+AM3NysLMIlNxRV8DGYQwHui9a5iaMm4W2Fp0ziTbAwvgomDQu2nQOd14AHPD5 2osUBLzre/+MeCnV/yWqLSpO7mk2JpYNxV7yjqVX1Iai/oYylMyaLMvqh1oOs30MzE iWtQo9I+L4ZT9HZTG8Ton9BomRHsRzwji/VAeWkN4M3fDMX0/PiivIvzkx2eRGdRpz VpXEGblZ1oBaA== From: Hans Verkuil To: linux-media@vger.kernel.org Subject: [PATCHv3 5/6] dra7.dtsi/omap5.dtsi: add cec clock Date: Wed, 28 Apr 2021 15:25:44 +0200 Message-Id: <20210428132545.1205162-6-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> References: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfNLevcGa/vJcvtKdvEIiHy92QMBtnAfp4gJ5oaF5BD04x2mRHL2FhkBxrDLGL/QF5SPbt8HI0K+xfQ1Qw3yCultLrCTAHCKvOnCJ77XntJwkqGsYDCER sMdKdN4TwFN5jfiE+O8c2mWa1O//6otapFxvm1OLdj09IsuKC/QCGSA/qF6vVY53j2xCnRo5Lq7lCRu0n37yP915eacPs3eg8MNrT38veFJyliJ21OK7Uilr pkPFu/GVH+PNhH6/SQ7W1AzJH0UU03vmbsf6mFmLutLALKGFgVN99IXSsXqxQ5U8CnYVj+A9R4oIESz5JCzoMkwPMtcn4sLmjjBDzQ4eMwyKkFMV1ukiI9Hy WcCcb+I4wbzjr8EJgAu5yT4YxF0PSzgZw/+Y+rgTQalM2ShZZyK73V2cE3uw8B7MudRkCYV1 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Lindgren , Tomi Valkeinen , Laurent Pinchart , dri-devel@lists.freedesktop.org, Hans Verkuil Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add cec clock to the dra7 and omap5 device trees. Signed-off-by: Hans Verkuil Acked-by: Tony Lindgren Reviewed-by: Tomi Valkeinen --- arch/arm/boot/dts/dra7.dtsi | 5 +++-- arch/arm/boot/dts/omap5.dtsi | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index ce1194744f84..efe579ddb324 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -879,8 +879,9 @@ hdmi: encoder@0 { interrupts = ; status = "disabled"; clocks = <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 9>, - <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 10>; - clock-names = "fck", "sys_clk"; + <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 10>, + <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 11>; + clock-names = "fck", "sys_clk", "cec"; dmas = <&sdma_xbar 76>; dma-names = "audio_tx"; }; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index e025b7c9a357..6726e1f1b07c 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -586,8 +586,9 @@ hdmi: encoder@0 { interrupts = ; status = "disabled"; clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 9>, - <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>; - clock-names = "fck", "sys_clk"; + <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>, + <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 11>; + clock-names = "fck", "sys_clk", "cec"; dmas = <&sdma 76>; dma-names = "audio_tx"; }; From patchwork Wed Apr 28 13:25:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 12228759 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 C9CE9C433B4 for ; Wed, 28 Apr 2021 13:26:06 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 7454A613DA for ; Wed, 28 Apr 2021 13:26:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7454A613DA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xs4all.nl Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D1B946EB3E; Wed, 28 Apr 2021 13:26:01 +0000 (UTC) Received: from lb3-smtp-cloud9.xs4all.net (lb3-smtp-cloud9.xs4all.net [194.109.24.30]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6793C6EB3B for ; Wed, 28 Apr 2021 13:25:53 +0000 (UTC) Received: from cust-b5b5937f ([IPv6:fc0c:c16d:66b8:757f:c639:739b:9d66:799d]) by smtp-cloud9.xs4all.net with ESMTPA id bkCIlVh38k1MGbkCNlOQ2x; Wed, 28 Apr 2021 15:25:51 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1619616351; bh=txogdNJnAK5ZZvHg4JWCPDmxNJE9cyJBMBCq5F7LdzU=; h=From:To:Subject:Date:Message-Id:MIME-Version:From:Subject; b=Poxi8ziDv/rO5nvDuETRXuhPrHwi9D8LbPEqQIFfCy53ot4bL2mIUtlGpwXuRveeN xH061ttzHkhFnl7PyKkjQs0NcMDyF5BgdzS9IziBMyfgYPr6X9uxNEFwC+v8ZPOrFu NAb1JSbsD3CFO8XFSCMdgfIyflrcDTgrOx2cH5mIyw8RMji5tePCo2YDbfFRCT0lBc mioeyuUD2llAF68MxhlFdYpTLJSCasp6kWVpfy9tRMKmg/ww/5J2cFVtXDrDdz70+w 560Ie6X9hNwCcflTlbqW0T7itlv/pNPJAkfI0GD9hp5/Jv7RlR1LpiIlieVeUatfPC Nk10z+n7pvvKw== From: Hans Verkuil To: linux-media@vger.kernel.org Subject: [PATCHv3 6/6] drm/omapdrm/dss/hdmi5: add CEC support Date: Wed, 28 Apr 2021 15:25:45 +0200 Message-Id: <20210428132545.1205162-7-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> References: <20210428132545.1205162-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfNLevcGa/vJcvtKdvEIiHy92QMBtnAfp4gJ5oaF5BD04x2mRHL2FhkBxrDLGL/QF5SPbt8HI0K+xfQ1Qw3yCultLrCTAHCKvOnCJ77XntJwkqGsYDCER sMdKdN4TwFN5jfiE+O8c2mWa1O//6otapFxvm1OLdj09IsuKC/QCGSA/qF6vVY53j2xCnRo5Lq7lCRu0n37yP915eacPs3eg8MNrT38veFJyliJ21OK7Uilr pkPFu/GVH+PNhH6/SQ7W1AzJH0UU03vmbsf6mFmLutLALKGFgVN99IXSsXqxQ5U8CnYVj+A9R4oIESz5JCzoMkwPMtcn4sLmjjBDzQ4eMwyKkFMV1ukiI9Hy WcCcb+I4wbzjr8EJgAu5yT4YxF0PSzgZw/+Y+rgTQalM2ShZZyK73V2cE3uw8B7MudRkCYV1 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Lindgren , Tomi Valkeinen , Laurent Pinchart , dri-devel@lists.freedesktop.org, Hans Verkuil Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add HDMI CEC support for OMAP5. Signed-off-by: Hans Verkuil Reviewed-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/Kconfig | 8 + drivers/gpu/drm/omapdrm/Makefile | 1 + drivers/gpu/drm/omapdrm/dss/hdmi.h | 1 + drivers/gpu/drm/omapdrm/dss/hdmi5.c | 64 +++++-- drivers/gpu/drm/omapdrm/dss/hdmi5_cec.c | 209 +++++++++++++++++++++++ drivers/gpu/drm/omapdrm/dss/hdmi5_cec.h | 42 +++++ drivers/gpu/drm/omapdrm/dss/hdmi5_core.c | 35 +++- drivers/gpu/drm/omapdrm/dss/hdmi5_core.h | 33 +++- 8 files changed, 374 insertions(+), 19 deletions(-) create mode 100644 drivers/gpu/drm/omapdrm/dss/hdmi5_cec.c create mode 100644 drivers/gpu/drm/omapdrm/dss/hdmi5_cec.h diff --git a/drivers/gpu/drm/omapdrm/Kconfig b/drivers/gpu/drm/omapdrm/Kconfig index e7281da5bc6a..08866ac7d869 100644 --- a/drivers/gpu/drm/omapdrm/Kconfig +++ b/drivers/gpu/drm/omapdrm/Kconfig @@ -80,6 +80,14 @@ config OMAP5_DSS_HDMI Definition Multimedia Interface. See http://www.hdmi.org/ for HDMI specification. +config OMAP5_DSS_HDMI_CEC + bool "Enable HDMI CEC support for OMAP5" + depends on OMAP5_DSS_HDMI + select CEC_CORE + default y + help + When selected the HDMI transmitter will support the CEC feature. + config OMAP2_DSS_SDI bool "SDI support" default n diff --git a/drivers/gpu/drm/omapdrm/Makefile b/drivers/gpu/drm/omapdrm/Makefile index 21e8277ff88f..0732bd2dae1e 100644 --- a/drivers/gpu/drm/omapdrm/Makefile +++ b/drivers/gpu/drm/omapdrm/Makefile @@ -29,6 +29,7 @@ omapdrm-$(CONFIG_OMAP2_DSS_HDMI_COMMON) += dss/hdmi_common.o dss/hdmi_wp.o \ omapdrm-$(CONFIG_OMAP4_DSS_HDMI) += dss/hdmi4.o dss/hdmi4_core.o omapdrm-$(CONFIG_OMAP4_DSS_HDMI_CEC) += dss/hdmi4_cec.o omapdrm-$(CONFIG_OMAP5_DSS_HDMI) += dss/hdmi5.o dss/hdmi5_core.o +omapdrm-$(CONFIG_OMAP5_DSS_HDMI_CEC) += dss/hdmi5_cec.o ccflags-$(CONFIG_OMAP2_DSS_DEBUG) += -DDEBUG obj-$(CONFIG_DRM_OMAP) += omapdrm.o diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi.h b/drivers/gpu/drm/omapdrm/dss/hdmi.h index c4a4e07f0b99..72d8ae441da6 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi.h +++ b/drivers/gpu/drm/omapdrm/dss/hdmi.h @@ -261,6 +261,7 @@ struct hdmi_core_data { struct hdmi_wp_data *wp; unsigned int core_pwr_cnt; struct cec_adapter *adap; + struct clk *cec_clk; }; static inline void hdmi_write_reg(void __iomem *base_addr, const u32 idx, diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index 65085d886da5..11941d7b1d81 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -29,12 +29,14 @@ #include #include #include +#include #include #include #include "omapdss.h" #include "hdmi5_core.h" +#include "hdmi5_cec.h" #include "dss.h" static int hdmi_runtime_get(struct omap_hdmi *hdmi) @@ -105,6 +107,9 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data) hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON); } + if (irqstatus & HDMI_IRQ_CORE) + hdmi5_core_handle_irqs(&hdmi->core); + return IRQ_HANDLED; } @@ -112,9 +117,12 @@ static int hdmi_power_on_core(struct omap_hdmi *hdmi) { int r; + if (hdmi->core.core_pwr_cnt++) + return 0; + r = regulator_enable(hdmi->vdda_reg); if (r) - return r; + goto err_reg_enable; r = hdmi_runtime_get(hdmi); if (r) @@ -129,12 +137,17 @@ static int hdmi_power_on_core(struct omap_hdmi *hdmi) err_runtime_get: regulator_disable(hdmi->vdda_reg); +err_reg_enable: + hdmi->core.core_pwr_cnt--; return r; } static void hdmi_power_off_core(struct omap_hdmi *hdmi) { + if (--hdmi->core.core_pwr_cnt) + return; + hdmi->core_enabled = false; hdmi_runtime_put(hdmi); @@ -168,9 +181,9 @@ static int hdmi_power_on_full(struct omap_hdmi *hdmi) pc, &hdmi_cinfo); /* disable and clear irqs */ - hdmi_wp_clear_irqenable(&hdmi->wp, 0xffffffff); + hdmi_wp_clear_irqenable(&hdmi->wp, ~HDMI_IRQ_CORE); hdmi_wp_set_irqstatus(&hdmi->wp, - hdmi_wp_get_irqstatus(&hdmi->wp)); + hdmi_wp_get_irqstatus(&hdmi->wp) & ~HDMI_IRQ_CORE); r = dss_pll_enable(&hdmi->pll.pll); if (r) { @@ -225,7 +238,7 @@ static int hdmi_power_on_full(struct omap_hdmi *hdmi) static void hdmi_power_off_full(struct omap_hdmi *hdmi) { - hdmi_wp_clear_irqenable(&hdmi->wp, 0xffffffff); + hdmi_wp_clear_irqenable(&hdmi->wp, ~HDMI_IRQ_CORE); hdmi_wp_video_stop(&hdmi->wp); @@ -273,11 +286,11 @@ static void hdmi_stop_audio_stream(struct omap_hdmi *hd) REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, hd->wp_idlemode, 3, 2); } -static int hdmi_core_enable(struct omap_hdmi *hdmi) +int hdmi5_core_enable(struct omap_hdmi *hdmi) { int r = 0; - DSSDBG("ENTER omapdss_hdmi_core_enable\n"); + DSSDBG("ENTER %s\n", __func__); mutex_lock(&hdmi->lock); @@ -295,9 +308,9 @@ static int hdmi_core_enable(struct omap_hdmi *hdmi) return r; } -static void hdmi_core_disable(struct omap_hdmi *hdmi) +void hdmi5_core_disable(struct omap_hdmi *hdmi) { - DSSDBG("Enter omapdss_hdmi_core_disable\n"); + DSSDBG("ENTER %s\n", __func__); mutex_lock(&hdmi->lock); @@ -424,6 +437,15 @@ static void hdmi5_bridge_disable(struct drm_bridge *bridge, mutex_unlock(&hdmi->lock); } +static void hdmi5_bridge_hpd_notify(struct drm_bridge *bridge, + enum drm_connector_status status) +{ + struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); + + if (status == connector_status_disconnected) + hdmi5_cec_set_phys_addr(&hdmi->core, NULL); +} + static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge, struct drm_connector *connector) { @@ -436,7 +458,7 @@ static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge, need_enable = hdmi->core_enabled == false; if (need_enable) { - r = hdmi_core_enable(hdmi); + r = hdmi5_core_enable(hdmi); if (r) return NULL; } @@ -460,12 +482,31 @@ static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge, hdmi_runtime_put(hdmi); mutex_unlock(&hdmi->lock); + hdmi5_cec_set_phys_addr(&hdmi->core, edid); + if (need_enable) - hdmi_core_disable(hdmi); + hdmi5_core_disable(hdmi); return (struct edid *)edid; } +static int hdmi5_bridge_connector_attach(struct drm_bridge *bridge, + struct drm_connector *conn) +{ + struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); + + hdmi5_cec_init(hdmi->pdev, &hdmi->core, &hdmi->wp, conn); + return 0; +} + +static void hdmi5_bridge_connector_detach(struct drm_bridge *bridge, + struct drm_connector *conn) +{ + struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); + + hdmi5_cec_uninit(&hdmi->core); +} + static const struct drm_bridge_funcs hdmi5_bridge_funcs = { .attach = hdmi5_bridge_attach, .mode_set = hdmi5_bridge_mode_set, @@ -474,7 +515,10 @@ static const struct drm_bridge_funcs hdmi5_bridge_funcs = { .atomic_reset = drm_atomic_helper_bridge_reset, .atomic_enable = hdmi5_bridge_enable, .atomic_disable = hdmi5_bridge_disable, + .hpd_notify = hdmi5_bridge_hpd_notify, .get_edid = hdmi5_bridge_get_edid, + .connector_attach = hdmi5_bridge_connector_attach, + .connector_detach = hdmi5_bridge_connector_detach, }; static void hdmi5_bridge_init(struct omap_hdmi *hdmi) diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_cec.c b/drivers/gpu/drm/omapdrm/dss/hdmi5_cec.c new file mode 100644 index 000000000000..9df6805a5cb4 --- /dev/null +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_cec.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * HDMI CEC + * + * Copyright 2019 Cisco Systems, Inc. and/or its affiliates. All rights reserved. + */ +#include +#include +#include +#include +#include +#include +#include + +#include "dss.h" +#include "hdmi.h" +#include "hdmi5_core.h" +#include "hdmi5_cec.h" + +static int hdmi5_cec_log_addr(struct cec_adapter *adap, u8 logical_addr) +{ + struct hdmi_core_data *core = cec_get_drvdata(adap); + u8 v; + + if (logical_addr == CEC_LOG_ADDR_INVALID) { + hdmi_write_reg(core->base, HDMI_CORE_CEC_ADDR_L, 0); + hdmi_write_reg(core->base, HDMI_CORE_CEC_ADDR_H, 0); + + return 0; + } + + if (logical_addr <= 7) { + v = hdmi_read_reg(core->base, HDMI_CORE_CEC_ADDR_L); + v |= 1 << logical_addr; + hdmi_write_reg(core->base, HDMI_CORE_CEC_ADDR_L, v); + v = hdmi_read_reg(core->base, HDMI_CORE_CEC_ADDR_H); + v |= 1 << 7; + hdmi_write_reg(core->base, HDMI_CORE_CEC_ADDR_H, v); + } else { + v = hdmi_read_reg(core->base, HDMI_CORE_CEC_ADDR_H); + v |= 1 << (logical_addr - 8); + v |= 1 << 7; + hdmi_write_reg(core->base, HDMI_CORE_CEC_ADDR_H, v); + } + + return 0; +} + +static int hdmi5_cec_transmit(struct cec_adapter *adap, u8 attempts, + u32 signal_free_time, struct cec_msg *msg) +{ + struct hdmi_core_data *core = cec_get_drvdata(adap); + unsigned int i, ctrl; + + switch (signal_free_time) { + case CEC_SIGNAL_FREE_TIME_RETRY: + ctrl = CEC_CTRL_RETRY; + break; + case CEC_SIGNAL_FREE_TIME_NEW_INITIATOR: + default: + ctrl = CEC_CTRL_NORMAL; + break; + case CEC_SIGNAL_FREE_TIME_NEXT_XFER: + ctrl = CEC_CTRL_IMMED; + break; + } + + for (i = 0; i < msg->len; i++) + hdmi_write_reg(core->base, + HDMI_CORE_CEC_TX_DATA0 + i * 4, msg->msg[i]); + + hdmi_write_reg(core->base, HDMI_CORE_CEC_TX_CNT, msg->len); + hdmi_write_reg(core->base, HDMI_CORE_CEC_CTRL, + ctrl | CEC_CTRL_START); + + return 0; +} + +void hdmi5_cec_irq(struct hdmi_core_data *core, unsigned int stat) +{ + struct cec_adapter *adap = core->adap; + + if (stat & CEC_STAT_ERROR_INIT) + cec_transmit_attempt_done(adap, CEC_TX_STATUS_ERROR); + else if (stat & CEC_STAT_DONE) + cec_transmit_attempt_done(adap, CEC_TX_STATUS_OK); + else if (stat & CEC_STAT_NACK) + cec_transmit_attempt_done(adap, CEC_TX_STATUS_NACK); + + if (stat & CEC_STAT_EOM) { + struct cec_msg msg = {}; + unsigned int len, i; + + len = hdmi_read_reg(core->base, HDMI_CORE_CEC_RX_CNT); + if (len > sizeof(msg.msg)) + len = sizeof(msg.msg); + + for (i = 0; i < len; i++) + msg.msg[i] = + hdmi_read_reg(core->base, + HDMI_CORE_CEC_RX_DATA0 + i * 4); + + hdmi_write_reg(core->base, HDMI_CORE_CEC_LOCK, 0); + + msg.len = len; + cec_received_msg(adap, &msg); + } +} + +static int hdmi5_cec_enable(struct cec_adapter *adap, bool enable) +{ + struct hdmi_core_data *core = cec_get_drvdata(adap); + struct omap_hdmi *hdmi = container_of(core, struct omap_hdmi, core); + unsigned int irqs; + int err; + + if (!enable) { + hdmi_write_reg(core->base, HDMI_CORE_CEC_MASK, ~0); + hdmi_write_reg(core->base, HDMI_CORE_IH_MUTE_CEC_STAT0, ~0); + hdmi_wp_clear_irqenable(core->wp, HDMI_IRQ_CORE); + hdmi_wp_set_irqstatus(core->wp, HDMI_IRQ_CORE); + REG_FLD_MOD(core->base, HDMI_CORE_MC_CLKDIS, 0x01, 5, 5); + hdmi5_core_disable(hdmi); + + return 0; + } + + err = hdmi5_core_enable(hdmi); + if (err) + return err; + + REG_FLD_MOD(core->base, HDMI_CORE_MC_CLKDIS, 0x00, 5, 5); + hdmi_write_reg(core->base, HDMI_CORE_IH_I2CM_STAT0, ~0); + hdmi_write_reg(core->base, HDMI_CORE_IH_MUTE_I2CM_STAT0, ~0); + hdmi_write_reg(core->base, HDMI_CORE_CEC_CTRL, 0); + hdmi_write_reg(core->base, HDMI_CORE_IH_CEC_STAT0, ~0); + hdmi_write_reg(core->base, HDMI_CORE_CEC_LOCK, 0); + hdmi_write_reg(core->base, HDMI_CORE_CEC_TX_CNT, 0); + + hdmi5_cec_log_addr(adap, CEC_LOG_ADDR_INVALID); + + /* Enable HDMI core interrupts */ + hdmi_wp_set_irqenable(core->wp, HDMI_IRQ_CORE); + + irqs = CEC_STAT_ERROR_INIT | CEC_STAT_NACK | CEC_STAT_EOM | + CEC_STAT_DONE; + hdmi_write_reg(core->base, HDMI_CORE_CEC_MASK, ~irqs); + hdmi_write_reg(core->base, HDMI_CORE_IH_MUTE_CEC_STAT0, ~irqs); + + return 0; +} + +static const struct cec_adap_ops hdmi5_cec_ops = { + .adap_enable = hdmi5_cec_enable, + .adap_log_addr = hdmi5_cec_log_addr, + .adap_transmit = hdmi5_cec_transmit, +}; + +void hdmi5_cec_set_phys_addr(struct hdmi_core_data *core, struct edid *edid) +{ + cec_s_phys_addr_from_edid(core->adap, edid); +} + +int hdmi5_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, + struct hdmi_wp_data *wp, struct drm_connector *conn) +{ + const u32 caps = CEC_CAP_DEFAULTS | CEC_CAP_CONNECTOR_INFO; + struct cec_connector_info conn_info; + int ret; + + core->cec_clk = devm_clk_get(&pdev->dev, "cec"); + if (IS_ERR(core->cec_clk)) + return PTR_ERR(core->cec_clk); + ret = clk_prepare_enable(core->cec_clk); + if (ret) + return ret; + + core->adap = cec_allocate_adapter(&hdmi5_cec_ops, core, + "omap5", caps, CEC_MAX_LOG_ADDRS); + ret = PTR_ERR_OR_ZERO(core->adap); + if (ret < 0) + goto disable_clk; + + cec_fill_conn_info_from_drm(&conn_info, conn); + cec_s_conn_info(core->adap, &conn_info); + core->wp = wp; + + ret = cec_register_adapter(core->adap, &pdev->dev); + if (ret < 0) + goto delete_adap; + + return 0; + +delete_adap: + cec_delete_adapter(core->adap); +disable_clk: + clk_disable_unprepare(core->cec_clk); + core->adap = NULL; + return ret; +} + +void hdmi5_cec_uninit(struct hdmi_core_data *core) +{ + if (IS_ERR_OR_NULL(core->adap)) + return; + + cec_unregister_adapter(core->adap); + clk_disable_unprepare(core->cec_clk); +} diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_cec.h b/drivers/gpu/drm/omapdrm/dss/hdmi5_cec.h new file mode 100644 index 000000000000..d7732f9a675a --- /dev/null +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_cec.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * HDMI header definition for OMAP5 HDMI CEC IP + * + * Copyright 2019 Cisco Systems, Inc. and/or its affiliates. All rights reserved. + */ + +#ifndef _HDMI5_CEC_H_ +#define _HDMI5_CEC_H_ + +/* HDMI CEC funcs */ +#ifdef CONFIG_OMAP5_DSS_HDMI_CEC +void hdmi5_cec_set_phys_addr(struct hdmi_core_data *core, + struct edid *edid); +void hdmi5_cec_irq(struct hdmi_core_data *core, unsigned int stat); +int hdmi5_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, + struct hdmi_wp_data *wp, struct drm_connector *conn); +void hdmi5_cec_uninit(struct hdmi_core_data *core); +#else +static inline void hdmi5_cec_set_phys_addr(struct hdmi_core_data *core, + struct edid *edid) +{ +} + +static inline void hdmi5_cec_irq(struct hdmi_core_data *core, unsigned int stat) +{ +} + +static inline int hdmi5_cec_init(struct platform_device *pdev, + struct hdmi_core_data *core, + struct hdmi_wp_data *wp, + struct drm_connector *conn) +{ + return 0; +} + +static inline void hdmi5_cec_uninit(struct hdmi_core_data *core) +{ +} +#endif + +#endif diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c index 6cc2ad7a420c..de57384ad159 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c @@ -22,6 +22,7 @@ #include #include "hdmi5_core.h" +#include "hdmi5_cec.h" void hdmi5_core_ddc_init(struct hdmi_core_data *core) { @@ -229,6 +230,19 @@ void hdmi5_core_dump(struct hdmi_core_data *core, struct seq_file *s) DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR); DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR); DUMPCORE(HDMI_CORE_I2CM_SDA_HOLD_ADDR); + + DUMPCORE(HDMI_CORE_IH_CEC_STAT0); + DUMPCORE(HDMI_CORE_IH_MUTE_CEC_STAT0); + DUMPCORE(HDMI_CORE_CEC_CTRL); + DUMPCORE(HDMI_CORE_CEC_MASK); + DUMPCORE(HDMI_CORE_CEC_ADDR_L); + DUMPCORE(HDMI_CORE_CEC_ADDR_H); + DUMPCORE(HDMI_CORE_CEC_TX_CNT); + DUMPCORE(HDMI_CORE_CEC_RX_CNT); + DUMPCORE(HDMI_CORE_CEC_TX_DATA0); + DUMPCORE(HDMI_CORE_CEC_RX_DATA0); + DUMPCORE(HDMI_CORE_CEC_LOCK); + DUMPCORE(HDMI_CORE_CEC_WKUPCTRL); } static void hdmi_core_init(struct hdmi_core_vid_config *video_cfg, @@ -513,8 +527,6 @@ static void hdmi_core_mask_interrupts(struct hdmi_core_data *core) REG_FLD_MOD(base, HDMI_CORE_AUD_INT, 0x3, 3, 2); REG_FLD_MOD(base, HDMI_CORE_AUD_GP_MASK, 0x3, 1, 0); - REG_FLD_MOD(base, HDMI_CORE_CEC_MASK, 0x7f, 6, 0); - REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 6, 6); REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 2, 2); REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 2, 2); @@ -532,8 +544,6 @@ static void hdmi_core_mask_interrupts(struct hdmi_core_data *core) REG_FLD_MOD(base, HDMI_CORE_IH_AS_STAT0, 0x7, 2, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_CEC_STAT0, 0x7f, 6, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0x3, 1, 0); REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0); @@ -548,14 +558,24 @@ static void hdmi_core_enable_interrupts(struct hdmi_core_data *core) int hdmi5_core_handle_irqs(struct hdmi_core_data *core) { void __iomem *base = core->base; + unsigned int stat = hdmi_read_reg(base, HDMI_CORE_IH_CEC_STAT0); + + if (stat) { + hdmi_write_reg(base, HDMI_CORE_IH_CEC_STAT0, stat); + hdmi5_cec_irq(core, stat); + } + /* + * Clear all possible IRQ_CORE interrupts except for + * HDMI_CORE_IH_I2CM_STAT0 (that interrupt is muted and + * is handled by polling elsewhere) and HDMI_CORE_IH_CEC_STAT0 + * which is handled by the CEC code above. + */ REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT0, 0xff, 7, 0); REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT1, 0xff, 7, 0); REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT2, 0xff, 7, 0); REG_FLD_MOD(base, HDMI_CORE_IH_AS_STAT0, 0xff, 7, 0); REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_CEC_STAT0, 0xff, 7, 0); REG_FLD_MOD(base, HDMI_CORE_IH_VP_STAT0, 0xff, 7, 0); REG_FLD_MOD(base, HDMI_CORE_IH_I2CMPHY_STAT0, 0xff, 7, 0); @@ -879,5 +899,8 @@ int hdmi5_core_init(struct platform_device *pdev, struct hdmi_core_data *core) if (IS_ERR(core->base)) return PTR_ERR(core->base); + REG_FLD_MOD(core->base, HDMI_CORE_CEC_MASK, 0x7f, 6, 0); + REG_FLD_MOD(core->base, HDMI_CORE_IH_CEC_STAT0, 0x7f, 6, 0); + return 0; } diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.h b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.h index 070cbf5fb57d..6bcef70a87cc 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.h +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.h @@ -30,8 +30,18 @@ #define HDMI_CORE_IH_PHY_STAT0 0x00410 #define HDMI_CORE_IH_I2CM_STAT0 0x00414 #define HDMI_CORE_IH_CEC_STAT0 0x00418 +#define CEC_STAT_DONE BIT(0) +#define CEC_STAT_EOM BIT(1) +#define CEC_STAT_NACK BIT(2) +#define CEC_STAT_ARBLOST BIT(3) +#define CEC_STAT_ERROR_INIT BIT(4) +#define CEC_STAT_ERROR_FOLL BIT(5) +#define CEC_STAT_WAKEUP BIT(6) + #define HDMI_CORE_IH_VP_STAT0 0x0041C #define HDMI_CORE_IH_I2CMPHY_STAT0 0x00420 +#define HDMI_CORE_IH_MUTE_I2CM_STAT0 0x00614 +#define HDMI_CORE_IH_MUTE_CEC_STAT0 0x00618 #define HDMI_CORE_IH_MUTE 0x007FC /* HDMI Video Sampler */ @@ -233,9 +243,6 @@ /* HDMI HDCP */ #define HDMI_CORE_HDCP_MASK 0x14020 -/* HDMI CEC */ -#define HDMI_CORE_CEC_MASK 0x17408 - /* HDMI I2C Master */ #define HDMI_CORE_I2CM_SLAVE 0x157C8 #define HDMI_CORE_I2CM_ADDRESS 0x157CC @@ -258,6 +265,24 @@ #define HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR 0x15810 #define HDMI_CORE_I2CM_SDA_HOLD_ADDR 0x15814 +/* HDMI CEC */ +#define HDMI_CORE_CEC_CTRL 0x153C8 +#define CEC_CTRL_START BIT(0) +#define CEC_CTRL_FRAME_TYP (3 << 1) +#define CEC_CTRL_RETRY (0 << 1) +#define CEC_CTRL_NORMAL (1 << 1) +#define CEC_CTRL_IMMED (2 << 1) + +#define HDMI_CORE_CEC_MASK 0x153D0 +#define HDMI_CORE_CEC_ADDR_L 0x153DC +#define HDMI_CORE_CEC_ADDR_H 0x153E0 +#define HDMI_CORE_CEC_TX_CNT 0x153E4 +#define HDMI_CORE_CEC_RX_CNT 0x153E8 +#define HDMI_CORE_CEC_TX_DATA0 0x15408 +#define HDMI_CORE_CEC_RX_DATA0 0x15448 +#define HDMI_CORE_CEC_LOCK 0x15488 +#define HDMI_CORE_CEC_WKUPCTRL 0x1548C + enum hdmi_core_packet_mode { HDMI_PACKETMODERESERVEDVALUE = 0, HDMI_PACKETMODE24BITPERPIXEL = 4, @@ -290,6 +315,8 @@ int hdmi5_core_handle_irqs(struct hdmi_core_data *core); void hdmi5_configure(struct hdmi_core_data *core, struct hdmi_wp_data *wp, struct hdmi_config *cfg); int hdmi5_core_init(struct platform_device *pdev, struct hdmi_core_data *core); +int hdmi5_core_enable(struct omap_hdmi *hdmi); +void hdmi5_core_disable(struct omap_hdmi *hdmi); int hdmi5_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp, struct omap_dss_audio *audio, u32 pclk);