From patchwork Wed Mar 29 14:15:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 9651645 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5A3DC6034B for ; Wed, 29 Mar 2017 14:15:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4AA2A284A7 for ; Wed, 29 Mar 2017 14:15:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3F51C284BC; Wed, 29 Mar 2017 14:15:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D888C284AD for ; Wed, 29 Mar 2017 14:15:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756076AbdC2OPw (ORCPT ); Wed, 29 Mar 2017 10:15:52 -0400 Received: from lb2-smtp-cloud3.xs4all.net ([194.109.24.26]:48635 "EHLO lb2-smtp-cloud3.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751734AbdC2OPu (ORCPT ); Wed, 29 Mar 2017 10:15:50 -0400 Received: from marune.fritz.box ([IPv6:2001:983:e9a7:1:ef31:4dcf:822e:7392]) by smtp-cloud3.xs4all.net with ESMTP id 1qFj1v0073YS7uB01qFpkK; Wed, 29 Mar 2017 16:15:49 +0200 From: Hans Verkuil To: linux-media@vger.kernel.org Cc: Daniel Vetter , Russell King , dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, Krzysztof Kozlowski , Inki Dae , Marek Szyprowski , Javier Martinez Canillas , Benjamin Gaignard , Hans Verkuil Subject: [PATCHv5 08/11] sti: hdmi: add CEC notifier support Date: Wed, 29 Mar 2017 16:15:40 +0200 Message-Id: <20170329141543.32935-9-hverkuil@xs4all.nl> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170329141543.32935-1-hverkuil@xs4all.nl> References: <20170329141543.32935-1-hverkuil@xs4all.nl> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Benjamin Gaignard Implement the CEC notifier support to allow CEC drivers to be informed when there is a new physical address. Signed-off-by: Benjamin Gaignard Signed-off-by: Hans Verkuil --- drivers/gpu/drm/sti/sti_hdmi.c | 11 +++++++++++ drivers/gpu/drm/sti/sti_hdmi.h | 3 +++ 2 files changed, 14 insertions(+) diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index ce2dcba679d5..345d3631cf50 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -771,6 +771,8 @@ static void sti_hdmi_disable(struct drm_bridge *bridge) clk_disable_unprepare(hdmi->clk_pix); hdmi->enabled = false; + + cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID); } /** @@ -973,6 +975,7 @@ static int sti_hdmi_connector_get_modes(struct drm_connector *connector) DRM_DEBUG_KMS("%s : %dx%d cm\n", (hdmi->hdmi_monitor ? "hdmi monitor" : "dvi monitor"), edid->width_cm, edid->height_cm); + cec_notifier_set_phys_addr(hdmi->notifier, cec_get_edid_phys_addr(edid)); count = drm_add_edid_modes(connector, edid); drm_mode_connector_update_edid_property(connector, edid); @@ -1035,6 +1038,7 @@ sti_hdmi_connector_detect(struct drm_connector *connector, bool force) } DRM_DEBUG_DRIVER("hdmi cable disconnected\n"); + cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID); return connector_status_disconnected; } @@ -1423,6 +1427,10 @@ static int sti_hdmi_probe(struct platform_device *pdev) goto release_adapter; } + hdmi->notifier = cec_notifier_get(&pdev->dev); + if (!hdmi->notifier) + goto release_adapter; + hdmi->reset = devm_reset_control_get(dev, "hdmi"); /* Take hdmi out of reset */ if (!IS_ERR(hdmi->reset)) @@ -1442,11 +1450,14 @@ static int sti_hdmi_remove(struct platform_device *pdev) { struct sti_hdmi *hdmi = dev_get_drvdata(&pdev->dev); + cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID); + i2c_put_adapter(hdmi->ddc_adapt); if (hdmi->audio_pdev) platform_device_unregister(hdmi->audio_pdev); component_del(&pdev->dev, &sti_hdmi_ops); + cec_notifier_put(hdmi->notifier); return 0; } diff --git a/drivers/gpu/drm/sti/sti_hdmi.h b/drivers/gpu/drm/sti/sti_hdmi.h index 407012350f1a..c6469b56ce7e 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.h +++ b/drivers/gpu/drm/sti/sti_hdmi.h @@ -11,6 +11,7 @@ #include #include +#include #define HDMI_STA 0x0010 #define HDMI_STA_DLL_LCK BIT(5) @@ -64,6 +65,7 @@ static const struct drm_prop_enum_list colorspace_mode_names[] = { * @audio_pdev: ASoC hdmi-codec platform device * @audio: hdmi audio parameters. * @drm_connector: hdmi connector + * @notifier: hotplug detect notifier */ struct sti_hdmi { struct device dev; @@ -89,6 +91,7 @@ struct sti_hdmi { struct platform_device *audio_pdev; struct hdmi_audio_params audio; struct drm_connector *drm_connector; + struct cec_notifier *notifier; }; u32 hdmi_read(struct sti_hdmi *hdmi, int offset);