From mboxrd@z Thu Jan 1 00:00:00 1970 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=-20.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 928CBC4338F for ; Sat, 7 Aug 2021 13:31:33 +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 58BD260249 for ; Sat, 7 Aug 2021 13:31:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 58BD260249 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C11936E037; Sat, 7 Aug 2021 13:31:30 +0000 (UTC) Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1DBE889E52 for ; Sat, 7 Aug 2021 13:31:27 +0000 (UTC) Received: by mail-wm1-x335.google.com with SMTP id o7-20020a05600c5107b0290257f956e02dso10946980wms.1 for ; Sat, 07 Aug 2021 06:31:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=LiOrxwAHkdxfg8HfRNMyQLy98TsOKpCMJN7iwKcTkc4=; b=cb7UTgDVLFRFsvyvM+fDrCR18753WvEFglxprEWJ9H3muoKQ24dwWERa5KCKGji0Z7 DGKHgW6bYHB07fSmDvaiofNBDsIgYyrJfqAT4S06bkPePurh7fP/pGSjFBKsv4/RFCOf 4WcCqeBAtC3tRaGkW22Bj0lJf5ttxpE0g2PHUKDwiVSQs+vB2fT9xkGMUaA78c+okPOn PJUpQ9mqRSpCJVPr+AxZP4tl3ZApDSSP2d+1f1Nh9M08cKO2fdpQoJl7P977tKwtkQPh pZui0SFd3ZCi+xaSNaTtrR5vHEH7skRqKzZBlk2SPzxcdVPUMfq6zs+wnZU6fibQm8dn iwaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=LiOrxwAHkdxfg8HfRNMyQLy98TsOKpCMJN7iwKcTkc4=; b=JcxLyjAnJhdyZ6JZAxb0ushhb7tEu5Ua9ccWtKzeNX6bAHsyLTdt6M7YdVmlcL7gKz eN2HWzJATZ9hODyuI63NgTq9D+Y6dOuf5KLqWllsDUs5kYbhUeFEeKdcrpYRrPb/kP/i aso1de7f/TVwXGflC0ceR40NES8zpZr2UoVFO39yRvug8TfSrSmKoElL3rM3o2RRb7PR K+e57IpPTHSgMWQcoUCo8Woyiql6LP5KqPXeyv/xq5SnbjmXN7BRt4wAzQo641pwkfBj Sdcro5xS5cLEOyjtdWSlVTc+3ZrwoQmxpRvzZp6lLWD2eVwK09RFbk7P7zphCR7MRt2S 7FXQ== X-Gm-Message-State: AOAM533vux1bePH4Gzqil8Y73RkFQUPaEgjIBEA8DkYsuIGzy/WcQ1bG +/iOuXCCHGkxYfxVfiJ0o/WC8xArdrBVFvNj X-Google-Smtp-Source: ABdhPJw0tTthkQyHiF2W/mgV2Kge0fqMW+SRjL8mV4CWfnFd9bFxXsTKBouhT39l4iM55bGHn38lvw== X-Received: by 2002:a7b:c083:: with SMTP id r3mr8241822wmh.65.1628343085639; Sat, 07 Aug 2021 06:31:25 -0700 (PDT) Received: from nergzd-desktop.localdomain ([62.122.67.26]) by smtp.gmail.com with ESMTPSA id x12sm13254454wrt.35.2021.08.07.06.31.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Aug 2021 06:31:25 -0700 (PDT) From: Markuss Broks To: linux-kernel@vger.kernel.org Cc: thierry.reding@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linus.walleij@linaro.org, phone-devel@vger.kernel.org, Markuss Broks Subject: [PATCH v2 2/2] drm/panel: s6d27a1: Add driver for Samsung S6D27A1 display panel Date: Sat, 7 Aug 2021 16:31:11 +0300 Message-Id: <20210807133111.5935-3-markuss.broks@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210807133111.5935-1-markuss.broks@gmail.com> References: <20210807133111.5935-1-markuss.broks@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This adds a driver for Samsung S6D27A1 display controller and panel. This panel is found in the Samsung GT-I8160 mobile phone, and possibly some other mobile phones. This display needs manufacturer commands to configure it; the commands used in this driver were taken from downstream driver by Gareth Phillips; sadly, there is almost no documentation on what they actually do. This driver re-uses the DBI infrastructure to communicate with the display. This driver is heavily based on WideChips WS2401 display controller driver by Linus Walleij and on other panel drivers for reference. Signed-off-by: Markuss Broks v2 -> v3: fixed checkpatch warnings - not sure about MAINTAINERS, should I put my name up there? v3 -> v4: - add a MAINTAINERS entry; - drop s6d27a1_command macro; use mipi_dbi_command directly; - dropped "panel initialized" dev_dbg message; - add drm_panel_of_backlight call to handle backlight on panel turn on/off; - reorder drm_mipi_dbi and drm_modes headers: I think they should be in alphabetic order? --- MAINTAINERS | 6 + drivers/gpu/drm/panel/Kconfig | 11 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-samsung-s6d27a1.c | 320 ++++++++++++++++++ 4 files changed, 338 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-samsung-s6d27a1.c diff --git a/MAINTAINERS b/MAINTAINERS index 851255b71c..c363209130 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5962,6 +5962,12 @@ T: git git://anongit.freedesktop.org/drm/drm-misc F: Documentation/devicetree/bindings/display/panel/samsung,lms397kf04.yaml F: drivers/gpu/drm/panel/panel-samsung-db7430.c +DRM DRIVER FOR SAMSUNG S6D27A1 PANELS +M: Markuss Broks +S: Maintained +F: Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.yaml +F: driver/gpu/drm/panel/panel-samsung-s6d27a1.c + DRM DRIVER FOR SITRONIX ST7703 PANELS M: Guido Günther R: Purism Kernel Team diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index beb581b96e..0b37849413 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -392,6 +392,17 @@ config DRM_PANEL_SAMSUNG_S6D16D0 depends on DRM_MIPI_DSI select VIDEOMODE_HELPERS +config DRM_PANEL_SAMSUNG_S6D27A1 + tristate "Samsung S6D27A1 DPI panel driver" + depends on OF && SPI && GPIOLIB + select DRM_MIPI_DBI + help + Say Y here if you want to enable support for the Samsung + S6D27A1 DPI 480x800 panel. + + This panel can be found in Samsung Galaxy Ace 2 + GT-I8160 mobile phone. + config DRM_PANEL_SAMSUNG_S6E3HA2 tristate "Samsung S6E3HA2 DSI video mode panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index c8132050bc..60c0149fc5 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -39,6 +39,7 @@ obj-$(CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20) += panel-samsung-atna33xc20.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_DB7430) += panel-samsung-db7430.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_LD9040) += panel-samsung-ld9040.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6D16D0) += panel-samsung-s6d16d0.o +obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6D27A1) += panel-samsung-s6d27a1.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E3HA2) += panel-samsung-s6e3ha2.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03) += panel-samsung-s6e63j0x03.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63M0) += panel-samsung-s6e63m0.o diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d27a1.c b/drivers/gpu/drm/panel/panel-samsung-s6d27a1.c new file mode 100644 index 0000000000..2dfcf48f2b --- /dev/null +++ b/drivers/gpu/drm/panel/panel-samsung-s6d27a1.c @@ -0,0 +1,320 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Panel driver for the Samsung S6D27A1 480x800 DPI RGB panel. + * Found in the Samsung Galaxy Ace 2 GT-I8160 mobile phone. + */ + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include