From patchwork Tue Apr 2 16:03:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sylwester Nawrocki/Kernel \\(PLT\\) /SRPOL/Staff Engineer/Samsung Electronics" X-Patchwork-Id: 2378971 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 2CFAB3FD8C for ; Tue, 2 Apr 2013 16:06:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932514Ab3DBQGq (ORCPT ); Tue, 2 Apr 2013 12:06:46 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:21683 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761234Ab3DBQGp (ORCPT ); Tue, 2 Apr 2013 12:06:45 -0400 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MKM00K6VY2K17S0@mailout3.samsung.com>; Wed, 03 Apr 2013 01:06:43 +0900 (KST) X-AuditID: cbfee61b-b7f076d0000034b6-13-515b0213d788 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 49.8D.13494.3120B515; Wed, 03 Apr 2013 01:06:43 +0900 (KST) Received: from amdc1344.digital.local ([106.116.147.32]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MKM007QWXY9N020@mmp2.samsung.com>; Wed, 03 Apr 2013 01:06:43 +0900 (KST) From: Sylwester Nawrocki To: linux-media@vger.kernel.org Cc: yhwan.joo@samsung.com, kyungmin.park@samsung.com, kgene.kim@samsung.com, myungjoo.ham@samsung.com, dh09.lee@samsung.com, linux-samsung-soc@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, Sylwester Nawrocki , Andrzej Hajda Subject: [PATCH v4 6/7] exynos4-is: Add fimc-is subdevs registration Date: Tue, 02 Apr 2013 18:03:38 +0200 Message-id: <1364918619-9118-7-git-send-email-s.nawrocki@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1364918619-9118-1-git-send-email-s.nawrocki@samsung.com> References: <1364918619-9118-1-git-send-email-s.nawrocki@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprOLMWRmVeSWpSXmKPExsVy+t9jQV1hpuhAgx0tuha31p1jtTgw+yGr xfXzdha9C66yWZxtesNu0bNhK6vFjPP7mCxuN65gszj8pp3VYvaJxawOXB7nZyxk9OjbsorR 4/MmuQDmKC6blNSczLLUIn27BK6M69NamQqWaFU0v7BoYPyr1MXIySEhYCLx9uJhdghbTOLC vfVsXYxcHEIC0xkl7v6/yg7hdDBJXD57hAWkik3AUKL3aB8jiC0iIC/xpPcGWAezwFwmif3v b7CCJIQFXCS+/tgONpZFQFVizc59bCA2r4CrxKkVJ4CaOYDWKUjMmWQDEuYUcJNY/XQL2Hwh oJJDk6+yTmDkXcDIsIpRNLUguaA4KT3XSK84Mbe4NC9dLzk/dxMjOLieSe9gXNVgcYhRgINR iYf3xJeoQCHWxLLiytxDjBIczEoivHE7gUK8KYmVValF+fFFpTmpxYcYpTlYlMR5D7ZaBwoJ pCeWpGanphakFsFkmTg4pRoYtXIUOH9/cVJYabXGr3C166Iw6S8prCuvNpfxRM/zWy8XFWHR 9HP2zfpaMZnlnDGNCkzPo2qUDmUnTA85yCXi9FbP5sqr0mV3DhzL+q+2/IIzV+rbvUwppRs8 xZsOydraJncnn0kP15ijpZos19Hy06llde3JRgGhiLCos96LpuRJ7Gqat1+JpTgj0VCLuag4 EQBIkUiEKgIAAA== Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org This patch allows to register FIMC-IS device represented by FIMC-IS-ISP subdev to the top level media device driver. The use_isp platform data structure field allows to select whether the fimc-is ISP subdev should be tried to be registered or not. Signed-off-by: Sylwester Nawrocki Signed-off-by: Andrzej Hajda Signed-off-by: Kyungmin Park --- drivers/media/platform/exynos4-is/media-dev.c | 37 +++++++++++++++++++++++-- drivers/media/platform/exynos4-is/media-dev.h | 13 +++++++++ 2 files changed, 47 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index a0fd8cc..597648e 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -32,6 +32,7 @@ #include "media-dev.h" #include "fimc-core.h" +#include "fimc-is.h" #include "fimc-lite.h" #include "mipi-csis.h" @@ -85,9 +86,11 @@ static void fimc_pipeline_prepare(struct fimc_pipeline *p, case GRP_ID_FIMC: /* No need to control FIMC subdev through subdev ops */ break; + case GRP_ID_FIMC_IS: + p->subdevs[IDX_IS_ISP] = sd; + break; default: - pr_warn("%s: Unknown subdev grp_id: %#x\n", - __func__, sd->grp_id); + break; } me = &sd->entity; if (me->num_pads == 1) @@ -322,6 +325,7 @@ static void fimc_md_unregister_sensor(struct v4l2_subdev *sd) if (!client) return; + v4l2_device_unregister_subdev(sd); if (!client->dev.of_node) { @@ -372,7 +376,11 @@ static int fimc_md_of_add_sensor(struct fimc_md *fmd, goto mod_put; v4l2_set_subdev_hostdata(sd, si); - sd->grp_id = GRP_ID_SENSOR; + if (si->pdata.fimc_bus_type == FIMC_BUS_TYPE_ISP_WRITEBACK) + sd->grp_id = GRP_ID_FIMC_IS_SENSOR; + else + sd->grp_id = GRP_ID_SENSOR; + si->subdev = sd; v4l2_info(&fmd->v4l2_dev, "Registered sensor subdevice: %s (%d)\n", sd->name, fmd->num_sensors); @@ -652,6 +660,22 @@ static int register_csis_entity(struct fimc_md *fmd, return ret; } +static int register_fimc_is_entity(struct fimc_md *fmd, struct fimc_is *is) +{ + struct v4l2_subdev *sd = &is->isp.subdev; + int ret; + + ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd); + if (ret) { + v4l2_err(&fmd->v4l2_dev, + "Failed to register FIMC-ISP (%d)\n", ret); + return ret; + } + + fmd->fimc_is = is; + return 0; +} + static int fimc_md_register_platform_entity(struct fimc_md *fmd, struct platform_device *pdev, int plat_entity) @@ -679,6 +703,9 @@ static int fimc_md_register_platform_entity(struct fimc_md *fmd, case IDX_CSIS: ret = register_csis_entity(fmd, pdev, drvdata); break; + case IDX_IS_ISP: + ret = register_fimc_is_entity(fmd, drvdata); + break; default: ret = -ENODEV; } @@ -742,6 +769,8 @@ static int fimc_md_register_of_platform_entities(struct fimc_md *fmd, /* If driver of any entity isn't ready try all again later. */ if (!strcmp(node->name, CSIS_OF_NODE_NAME)) plat_entity = IDX_CSIS; + else if (!strcmp(node->name, FIMC_IS_OF_NODE_NAME)) + plat_entity = IDX_IS_ISP; else if (!strcmp(node->name, FIMC_LITE_OF_NODE_NAME)) plat_entity = IDX_FLITE; else if (!strcmp(node->name, FIMC_OF_NODE_NAME) && @@ -1308,6 +1337,8 @@ static int fimc_md_probe(struct platform_device *pdev) v4l2_dev->notify = fimc_sensor_notify; strlcpy(v4l2_dev->name, "s5p-fimc-md", sizeof(v4l2_dev->name)); + fmd->use_isp = fimc_md_is_isp_available(dev->of_node); + ret = v4l2_device_register(dev, &fmd->v4l2_dev); if (ret < 0) { v4l2_err(v4l2_dev, "Failed to register v4l2_device: %d\n", ret); diff --git a/drivers/media/platform/exynos4-is/media-dev.h b/drivers/media/platform/exynos4-is/media-dev.h index 1d5cea5..0b14cd5 100644 --- a/drivers/media/platform/exynos4-is/media-dev.h +++ b/drivers/media/platform/exynos4-is/media-dev.h @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -80,6 +81,7 @@ struct fimc_sensor_info { * @num_sensors: actual number of registered sensors * @camclk: external sensor clock information * @fimc: array of registered fimc devices + * @fimc_is: fimc-is data structure * @use_isp: set to true when FIMC-IS subsystem is used * @pmf: handle to the CAMCLK clock control FIMC helper device * @media_dev: top level media device @@ -99,6 +101,7 @@ struct fimc_md { struct clk *wbclk[FIMC_MAX_WBCLKS]; struct fimc_lite *fimc_lite[FIMC_LITE_MAX_DEVS]; struct fimc_dev *fimc[FIMC_MAX_DEVS]; + struct fimc_is *fimc_is; bool use_isp; struct device *pmf; struct media_device media_dev; @@ -139,4 +142,14 @@ static inline void fimc_md_graph_unlock(struct fimc_dev *fimc) int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on); +#ifdef CONFIG_OF +static inline bool fimc_md_is_isp_available(struct device_node *node) +{ + node = of_get_child_by_name(node, FIMC_IS_OF_NODE_NAME); + return node ? of_device_is_available(node) : false; +} +#else +#define fimc_md_is_isp_available(node) (false) +#endif /* CONFIG_OF */ + #endif