From patchwork Thu Aug 15 03:27:05 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shirish S X-Patchwork-Id: 2844959 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id CEFC5BF546 for ; Thu, 15 Aug 2013 03:05:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id ABDB5204B9 for ; Thu, 15 Aug 2013 03:04:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4B872045E for ; Thu, 15 Aug 2013 03:04:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760145Ab3HODE4 (ORCPT ); Wed, 14 Aug 2013 23:04:56 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:25456 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759988Ab3HODEy (ORCPT ); Wed, 14 Aug 2013 23:04:54 -0400 Received: from epcpsbgr1.samsung.com (u141.gpu120.samsung.co.kr [203.254.230.141]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MRJ00845XW2QC10@mailout4.samsung.com>; Thu, 15 Aug 2013 12:04:53 +0900 (KST) Received: from epcpsbgm2.samsung.com ( [172.20.52.123]) by epcpsbgr1.samsung.com (EPCPMTA) with SMTP id E3.37.17404.5554C025; Thu, 15 Aug 2013 12:04:53 +0900 (KST) X-AuditID: cbfee68d-b7f096d0000043fc-82-520c45558df4 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 06.1C.31505.5554C025; Thu, 15 Aug 2013 12:04:53 +0900 (KST) Received: from chromeserver-PowerEdge-T410.sisodomain.com ([107.108.73.106]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MRJ006YNXVX1Q50@mmp1.samsung.com>; Thu, 15 Aug 2013 12:04:53 +0900 (KST) From: Shirish S To: inki.dae@samsung.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Cc: linux-samsung-soc@vger.kernel.org, airlied@linux.ie, kgene.kim@samsung.com, shirish@chromium.org Subject: [PATCH 3/3] drm: exynos: hdmi: Add dt support for hdmiphy settings Date: Thu, 15 Aug 2013 08:57:05 +0530 Message-id: <1376537225-3815-4-git-send-email-s.shirish@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1376537225-3815-1-git-send-email-s.shirish@samsung.com> References: <1376537225-3815-1-git-send-email-s.shirish@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrKLMWRmVeSWpSXmKPExsWyRsSkWjfUlSfIYFq3sUXvuZNMFvOPnGO1 uPL1PZvFpPsTWCx6F1xls5hxfh+TRdOOg2wO7B6zGy6yeGz/9oDV4373cSaPvi2rGD0+b5IL YI3isklJzcksSy3St0vgyujuaWYs2O9S0fL6ClsDY7NpFyMnh4SAicSx289YIWwxiQv31rN1 MXJxCAksZZR4/HMxK0zRzvfboBKLGCU2bz7BDpIQEpjNJHF4oxOIzSagLnFx8mpmEFtEIFzi /9UpYDXMAmkSnWcXsoHYwgLeEqd2LGICsVkEVCXe7t4MZHNw8Aq4SGxYEAixS1Gi+9kEsHJO AVeJG9s+s0CscpF4u+UmE8gNEgLT2SUmfrvBCDFHQOLb5EMsIHMkBGQlNh1ghpgjKXFwxQ2W CYzCCxgZVjGKphYkFxQnpRcZ6hUn5haX5qXrJefnbmIEBvnpf896dzDePmB9iDEZaNxEZinR 5HxglOSVxBsamxlZmJqYGhuZW5qRJqwkzqvWYh0oJJCeWJKanZpakFoUX1Sak1p8iJGJg1Oq gdE/ccditQ0GRfoyz9//P6+2w25t+CPBqwcMF1Ut/3eo3CP5/VQZ5c+11yR0U9TvfV27a6Vt w5P7K7y4Lia0O8ob9s/4FP66fLPjhBWNDj+eVc/6ynFszQKRX2zB+WXK8p92fPI7uWe6hPOH 23MqaoSfG8j0TEhnXrmgcJaw5dwbT1oKt+oLa+1TYinOSDTUYi4qTgQAo/MFdogCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrEIsWRmVeSWpSXmKPExsVy+t9jAd1QV54gg+5+TYvecyeZLOYfOcdq ceXrezaLSfcnsFj0LrjKZjHj/D4mi6YdB9kc2D1mN1xk8dj+7QGrx/3u40wefVtWMXp83iQX wBrVwGiTkZqYklqkkJqXnJ+SmZduq+QdHO8cb2pmYKhraGlhrqSQl5ibaqvk4hOg65aZA3SH kkJZYk4pUCggsbhYSd8O04TQEDddC5jGCF3fkCC4HiMDNJCwhjGju6eZsWC/S0XL6ytsDYzN pl2MnBwSAiYSO99vY4OwxSQu3FsPZHNxCAksYpTYvPkEO0hCSGA2k8ThjU4gNpuAusTFyauZ QWwRgXCJ/1engNUwC6RJdJ5dCDZIWMBb4tSORUwgNouAqsTb3ZuBbA4OXgEXiQ0LAiF2KUp0 P5sAVs4p4CpxY9tnFohVLhJvt9xkmsDIu4CRYRWjaGpBckFxUnqukV5xYm5xaV66XnJ+7iZG cAw9k97BuKrB4hCjAAejEg9vRBt3kBBrYllxZe4hRgkOZiUR3hhtniAh3pTEyqrUovz4otKc 1OJDjMlAR01klhJNzgfGd15JvKGxibmpsamliYWJmSVpwkrivAdbrQOFBNITS1KzU1MLUotg tjBxcEo1MOr2B805MtWrjce637p9xje9Ledkw9X74upmbWJLlcw0vrBo2Vnb6+/+OzPPZQyr 9Hf/pDFnklLVp+e6YtnqmjJb/N71C4sfZ1TVD85uerpUIvZtkqym824T+yaBfdu2bOj3/Z0u fvRUQOASNdHz854lnHBN3Wop3q7lnt0jI97L/5gpzXiaEktxRqKhFnNRcSIAUdAOaOUCAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-9.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds dt support to hdmiphy config settings as it is board specific and depends on the signal pattern of board. Signed-off-by: Shirish S --- .../devicetree/bindings/video/exynos_hdmi.txt | 18 +- drivers/gpu/drm/exynos/exynos_hdmi.c | 191 +++++++------------- 2 files changed, 80 insertions(+), 129 deletions(-) diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt index 323983b..fb8a643 100644 --- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt +++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt @@ -12,7 +12,11 @@ Required properties: a) phandle of the gpio controller node. b) pin number within the gpio controller. c) optional flags and pull up/down. - +- hdmiphy-confs: following information about the hdmiphy conf settings. + a) "nr-confs" specifies the number of pixel clocks supported. + b) "confX: confX" specifies the phy configuration settings, + "clock-frequency" specifies the pixel clock + "conf" specifies the setting for the corresponding pixel clock Example: hdmi { @@ -20,4 +24,16 @@ Example: reg = <0x14530000 0x100000>; interrupts = <0 95 0>; hpd-gpio = <&gpx3 7 1>; + hdmiphy-confs { + nr-confs = <1>; + conf0: conf0 { + clock-frequency = <25200000>; + conf = /bits/ 8 < + 0x01 0x51 0x2A 0x75 0x40 0x01 0x00 0x08 + 0x82 0x80 0xfc 0xd8 0x45 0xa0 0xac 0x80 + 0x08 0x80 0x11 0x04 0x02 0x22 0x44 0x86 + 0x54 0xf4 0x24 0x00 0x00 0x00 0x01 0x80 + >; + }; + } }; diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 2f5c694..cb929ff 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -179,6 +179,11 @@ struct hdmi_conf_regs { } conf; }; +struct hdmiphy_config { + int pixel_clock; + u8 conf[32]; +}; + struct hdmi_context { struct device *dev; struct drm_device *drm_dev; @@ -199,16 +204,14 @@ struct hdmi_context { struct hdmi_resources res; + struct hdmiphy_config *confs; + int nr_confs; + int hpd_gpio; enum hdmi_type type; }; -struct hdmiphy_config { - int pixel_clock; - u8 conf[32]; -}; - /* list of phy config settings */ static const struct hdmiphy_config hdmiphy_v13_configs[] = { { @@ -258,126 +261,6 @@ static const struct hdmiphy_config hdmiphy_v13_configs[] = { }, }; -static const struct hdmiphy_config hdmiphy_v14_configs[] = { - { - .pixel_clock = 25200000, - .conf = { - 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08, - 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80, - 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 27000000, - .conf = { - 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20, - 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80, - 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 27027000, - .conf = { - 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08, - 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, - 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, - }, - }, - { - .pixel_clock = 36000000, - .conf = { - 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08, - 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, - 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 40000000, - .conf = { - 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08, - 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80, - 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 65000000, - .conf = { - 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08, - 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80, - 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 74176000, - .conf = { - 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08, - 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80, - 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 74250000, - .conf = { - 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08, - 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80, - 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, - }, - }, - { - .pixel_clock = 83500000, - .conf = { - 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08, - 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80, - 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 106500000, - .conf = { - 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08, - 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80, - 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 108000000, - .conf = { - 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08, - 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80, - 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 146250000, - .conf = { - 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08, - 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80, - 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80, - }, - }, - { - .pixel_clock = 148500000, - .conf = { - 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08, - 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80, - 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86, - 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00, - }, - }, -}; - struct hdmi_infoframe { enum HDMI_PACKET_TYPE type; u8 ver; @@ -777,8 +660,8 @@ static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock) confs = hdmiphy_v13_configs; count = ARRAY_SIZE(hdmiphy_v13_configs); } else if (hdata->type == HDMI_TYPE14) { - confs = hdmiphy_v14_configs; - count = ARRAY_SIZE(hdmiphy_v14_configs); + confs = hdata->confs; + count = hdata->nr_confs; } else return -EINVAL; @@ -1365,7 +1248,7 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata) if (hdata->type == HDMI_TYPE13) hdmiphy_data = hdmiphy_v13_configs[i].conf; else - hdmiphy_data = hdmiphy_v14_configs[i].conf; + hdmiphy_data = hdata->confs[i].conf; memcpy(buffer, hdmiphy_data, 32); ret = i2c_master_send(hdata->hdmiphy_port, buffer, 32); @@ -1885,6 +1768,51 @@ static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata err_data: return NULL; } + +static int drm_hdmi_dt_parse_phy_conf(struct platform_device *pdev, + struct hdmi_context *hdata) +{ + struct device *dev = &pdev->dev; + struct device_node *dev_np = dev->of_node; + struct device_node *phy_conf, *cfg_np; + int i = 0; + + phy_conf = of_find_node_by_name(dev_np, "hdmiphy-confs"); + if (phy_conf == NULL) { + DRM_ERROR("Did not find hdmiphy_conf node\n"); + return -ENODEV; + } + + of_property_read_u32(phy_conf, "nr-confs", &hdata->nr_confs); + hdata->confs = kzalloc((hdata->nr_confs * sizeof + (struct hdmiphy_config)), GFP_KERNEL); + + for_each_child_of_node(phy_conf, cfg_np) { + if (!of_find_property(cfg_np, "clock-frequency", NULL)) + continue; + + if (of_property_read_u32_array(cfg_np, "clock-frequency", + (u32 *)&hdata->confs[i]. + pixel_clock, 1)) { + DRM_ERROR("Failed to get pixel clock\n"); + return -EINVAL; + } + + /* + * conf property holds the phy setting value + * for a particular board + */ + if (of_property_read_u8_array(cfg_np, "conf", + (u8 *)&hdata->confs[i].conf, 32)) { + DRM_ERROR("Failed to get conf\n"); + return -EINVAL; + } + i++; + } + return 0; + +} + #else static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata (struct device *dev) @@ -2038,6 +1966,13 @@ static int hdmi_probe(struct platform_device *pdev) goto err_hdmiphy; } + /* get hdmiphy confs */ + ret = drm_hdmi_dt_parse_phy_conf(pdev, hdata); + if (ret) { + DRM_ERROR("failed to get confs\n"); + goto err_hdmiphy; + } + /* Attach HDMI Driver to common hdmi. */ exynos_hdmi_drv_attach(drm_hdmi_ctx);