From patchwork Fri Mar 31 12:20:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 9656191 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 56E0A601D2 for ; Fri, 31 Mar 2017 12:21:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 46D5A28689 for ; Fri, 31 Mar 2017 12:21:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3BA3328693; Fri, 31 Mar 2017 12:21:15 +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=unavailable 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 96A4728689 for ; Fri, 31 Mar 2017 12:21:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933093AbdCaMVN (ORCPT ); Fri, 31 Mar 2017 08:21:13 -0400 Received: from lb2-smtp-cloud2.xs4all.net ([194.109.24.25]:50512 "EHLO lb2-smtp-cloud2.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933035AbdCaMUv (ORCPT ); Fri, 31 Mar 2017 08:20:51 -0400 Received: from marune.fritz.box ([IPv6:2001:983:e9a7:1:ef31:4dcf:822e:7392]) by smtp-cloud2.xs4all.net with ESMTP id 2cLc1v00d3YS7uB01cLp57; Fri, 31 Mar 2017 14:20:49 +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 , Patrice.chotard@st.com, Hans Verkuil Subject: [PATCHv6 06/10] s5p-cec: add cec-notifier support, move out of staging Date: Fri, 31 Mar 2017 14:20:32 +0200 Message-Id: <20170331122036.55706-7-hverkuil@xs4all.nl> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170331122036.55706-1-hverkuil@xs4all.nl> References: <20170331122036.55706-1-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: Hans Verkuil By using the CEC notifier framework there is no longer any reason to manually set the physical address. This was the one blocking issue that prevented this driver from going out of staging, so do this move as well. Update the bindings documenting the new hdmi phandle and update exynos4.dtsi accordingly. Tested with my Odroid U3. Signed-off-by: Hans Verkuil Tested-by: Marek Szyprowski Acked-by: Krzysztof Kozlowski CC: linux-samsung-soc@vger.kernel.org --- drivers/media/platform/Kconfig | 18 +++++++++++ drivers/media/platform/Makefile | 1 + .../media => media/platform}/s5p-cec/Makefile | 0 .../platform}/s5p-cec/exynos_hdmi_cec.h | 0 .../platform}/s5p-cec/exynos_hdmi_cecctrl.c | 0 .../media => media/platform}/s5p-cec/regs-cec.h | 0 .../media => media/platform}/s5p-cec/s5p_cec.c | 35 ++++++++++++++++++---- .../media => media/platform}/s5p-cec/s5p_cec.h | 3 ++ drivers/staging/media/Kconfig | 2 -- drivers/staging/media/Makefile | 1 - drivers/staging/media/s5p-cec/Kconfig | 9 ------ drivers/staging/media/s5p-cec/TODO | 7 ----- 12 files changed, 52 insertions(+), 24 deletions(-) rename drivers/{staging/media => media/platform}/s5p-cec/Makefile (100%) rename drivers/{staging/media => media/platform}/s5p-cec/exynos_hdmi_cec.h (100%) rename drivers/{staging/media => media/platform}/s5p-cec/exynos_hdmi_cecctrl.c (100%) rename drivers/{staging/media => media/platform}/s5p-cec/regs-cec.h (100%) rename drivers/{staging/media => media/platform}/s5p-cec/s5p_cec.c (89%) rename drivers/{staging/media => media/platform}/s5p-cec/s5p_cec.h (97%) delete mode 100644 drivers/staging/media/s5p-cec/Kconfig delete mode 100644 drivers/staging/media/s5p-cec/TODO diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index ab0bb4879b54..2c449b88fc94 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -460,6 +460,24 @@ config VIDEO_TI_SC config VIDEO_TI_CSC tristate +menuconfig V4L_CEC_DRIVERS + bool "Platform HDMI CEC drivers" + depends on MEDIA_CEC_SUPPORT + +if V4L_CEC_DRIVERS + +config VIDEO_SAMSUNG_S5P_CEC + tristate "Samsung S5P CEC driver" + depends on VIDEO_DEV && MEDIA_CEC_SUPPORT && (PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST) + select MEDIA_CEC_NOTIFIER + ---help--- + This is a driver for Samsung S5P HDMI CEC interface. It uses the + generic CEC framework interface. + CEC bus is present in the HDMI connector and enables communication + between compatible devices. + +endif #V4L_CEC_DRIVERS + menuconfig V4L_TEST_DRIVERS bool "Media test drivers" depends on MEDIA_CAMERA_SUPPORT diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile index 8959f6e6692a..2f94d82afa4c 100644 --- a/drivers/media/platform/Makefile +++ b/drivers/media/platform/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG) += s5p-jpeg/ obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) += s5p-mfc/ obj-$(CONFIG_VIDEO_SAMSUNG_S5P_G2D) += s5p-g2d/ +obj-$(CONFIG_VIDEO_SAMSUNG_S5P_CEC) += s5p-cec/ obj-$(CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC) += exynos-gsc/ obj-$(CONFIG_VIDEO_STI_BDISP) += sti/bdisp/ diff --git a/drivers/staging/media/s5p-cec/Makefile b/drivers/media/platform/s5p-cec/Makefile similarity index 100% rename from drivers/staging/media/s5p-cec/Makefile rename to drivers/media/platform/s5p-cec/Makefile diff --git a/drivers/staging/media/s5p-cec/exynos_hdmi_cec.h b/drivers/media/platform/s5p-cec/exynos_hdmi_cec.h similarity index 100% rename from drivers/staging/media/s5p-cec/exynos_hdmi_cec.h rename to drivers/media/platform/s5p-cec/exynos_hdmi_cec.h diff --git a/drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c b/drivers/media/platform/s5p-cec/exynos_hdmi_cecctrl.c similarity index 100% rename from drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c rename to drivers/media/platform/s5p-cec/exynos_hdmi_cecctrl.c diff --git a/drivers/staging/media/s5p-cec/regs-cec.h b/drivers/media/platform/s5p-cec/regs-cec.h similarity index 100% rename from drivers/staging/media/s5p-cec/regs-cec.h rename to drivers/media/platform/s5p-cec/regs-cec.h diff --git a/drivers/staging/media/s5p-cec/s5p_cec.c b/drivers/media/platform/s5p-cec/s5p_cec.c similarity index 89% rename from drivers/staging/media/s5p-cec/s5p_cec.c rename to drivers/media/platform/s5p-cec/s5p_cec.c index 2a07968b5ac6..f7adf61caaa8 100644 --- a/drivers/staging/media/s5p-cec/s5p_cec.c +++ b/drivers/media/platform/s5p-cec/s5p_cec.c @@ -19,11 +19,14 @@ #include #include #include +#include #include #include #include #include #include +#include +#include #include "exynos_hdmi_cec.h" #include "regs-cec.h" @@ -167,10 +170,22 @@ static const struct cec_adap_ops s5p_cec_adap_ops = { static int s5p_cec_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct device_node *np; + struct platform_device *hdmi_dev; struct resource *res; struct s5p_cec_dev *cec; int ret; + np = of_parse_phandle(pdev->dev.of_node, "hdmi-phandle", 0); + + if (!np) { + dev_err(&pdev->dev, "Failed to find hdmi node in device tree\n"); + return -ENODEV; + } + hdmi_dev = of_find_device_by_node(np); + if (hdmi_dev == NULL) + return -EPROBE_DEFER; + cec = devm_kzalloc(&pdev->dev, sizeof(*cec), GFP_KERNEL); if (!cec) return -ENOMEM; @@ -200,24 +215,33 @@ static int s5p_cec_probe(struct platform_device *pdev) if (IS_ERR(cec->reg)) return PTR_ERR(cec->reg); + cec->notifier = cec_notifier_get(&hdmi_dev->dev); + if (cec->notifier == NULL) + return -ENOMEM; + cec->adap = cec_allocate_adapter(&s5p_cec_adap_ops, cec, CEC_NAME, - CEC_CAP_PHYS_ADDR | CEC_CAP_LOG_ADDRS | CEC_CAP_TRANSMIT | + CEC_CAP_LOG_ADDRS | CEC_CAP_TRANSMIT | CEC_CAP_PASSTHROUGH | CEC_CAP_RC, 1); ret = PTR_ERR_OR_ZERO(cec->adap); if (ret) return ret; + ret = cec_register_adapter(cec->adap, &pdev->dev); - if (ret) { - cec_delete_adapter(cec->adap); - return ret; - } + if (ret) + goto err_delete_adapter; + + cec_register_cec_notifier(cec->adap, cec->notifier); platform_set_drvdata(pdev, cec); pm_runtime_enable(dev); dev_dbg(dev, "successfuly probed\n"); return 0; + +err_delete_adapter: + cec_delete_adapter(cec->adap); + return ret; } static int s5p_cec_remove(struct platform_device *pdev) @@ -225,6 +249,7 @@ static int s5p_cec_remove(struct platform_device *pdev) struct s5p_cec_dev *cec = platform_get_drvdata(pdev); cec_unregister_adapter(cec->adap); + cec_notifier_put(cec->notifier); pm_runtime_disable(&pdev->dev); return 0; } diff --git a/drivers/staging/media/s5p-cec/s5p_cec.h b/drivers/media/platform/s5p-cec/s5p_cec.h similarity index 97% rename from drivers/staging/media/s5p-cec/s5p_cec.h rename to drivers/media/platform/s5p-cec/s5p_cec.h index 03732c13d19f..7015845c1caa 100644 --- a/drivers/staging/media/s5p-cec/s5p_cec.h +++ b/drivers/media/platform/s5p-cec/s5p_cec.h @@ -59,12 +59,15 @@ enum cec_state { STATE_ERROR }; +struct cec_notifier; + struct s5p_cec_dev { struct cec_adapter *adap; struct clk *clk; struct device *dev; struct mutex lock; struct regmap *pmu; + struct cec_notifier *notifier; int irq; void __iomem *reg; diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig index abd0e2d57c20..c0d83cecf528 100644 --- a/drivers/staging/media/Kconfig +++ b/drivers/staging/media/Kconfig @@ -29,8 +29,6 @@ source "drivers/staging/media/omap4iss/Kconfig" source "drivers/staging/media/platform/bcm2835/Kconfig" -source "drivers/staging/media/s5p-cec/Kconfig" - # Keep LIRC at the end, as it has sub-menus source "drivers/staging/media/lirc/Kconfig" diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile index dc89325c463d..97b29ece9a2c 100644 --- a/drivers/staging/media/Makefile +++ b/drivers/staging/media/Makefile @@ -1,5 +1,4 @@ obj-$(CONFIG_I2C_BCM2048) += bcm2048/ -obj-$(CONFIG_VIDEO_SAMSUNG_S5P_CEC) += s5p-cec/ obj-$(CONFIG_DVB_CXD2099) += cxd2099/ obj-$(CONFIG_LIRC_STAGING) += lirc/ obj-$(CONFIG_VIDEO_BCM2835) += platform/bcm2835/ diff --git a/drivers/staging/media/s5p-cec/Kconfig b/drivers/staging/media/s5p-cec/Kconfig deleted file mode 100644 index 7a3489df3e70..000000000000 --- a/drivers/staging/media/s5p-cec/Kconfig +++ /dev/null @@ -1,9 +0,0 @@ -config VIDEO_SAMSUNG_S5P_CEC - tristate "Samsung S5P CEC driver" - depends on VIDEO_DEV && MEDIA_CEC_SUPPORT && (ARCH_EXYNOS || COMPILE_TEST) - ---help--- - This is a driver for Samsung S5P HDMI CEC interface. It uses the - generic CEC framework interface. - CEC bus is present in the HDMI connector and enables communication - between compatible devices. - diff --git a/drivers/staging/media/s5p-cec/TODO b/drivers/staging/media/s5p-cec/TODO deleted file mode 100644 index 64f21bab38f5..000000000000 --- a/drivers/staging/media/s5p-cec/TODO +++ /dev/null @@ -1,7 +0,0 @@ -This driver requires that userspace sets the physical address. -However, this should be passed on from the corresponding -Samsung HDMI driver. - -We have to wait until the HDMI notifier framework has been merged -in order to handle this gracefully, until that time this driver -has to remain in staging.