From patchwork Sun Jan 30 06:04:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sui Jingfeng <15330273260@189.cn> X-Patchwork-Id: 12729746 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8B7F5C433EF for ; Sun, 30 Jan 2022 06:04:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6469710E734; Sun, 30 Jan 2022 06:04:25 +0000 (UTC) Received: from 189.cn (ptr.189.cn [183.61.185.103]) by gabe.freedesktop.org (Postfix) with ESMTP id AC1D910E822 for ; Sun, 30 Jan 2022 06:04:23 +0000 (UTC) HMM_SOURCE_IP: 10.64.8.31:42436.1478280989 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP Received: from clientip-114.242.206.180 (unknown [10.64.8.31]) by 189.cn (HERMES) with SMTP id 22C881001DD; Sun, 30 Jan 2022 14:04:17 +0800 (CST) Received: from ([114.242.206.180]) by gateway-151646-dep-b7fbf7d79-bwdqx with ESMTP id 93f8625f5ef34d5db5f52ead6b8105e1 for l.stach@pengutronix.de; Sun, 30 Jan 2022 14:04:18 CST X-Transaction-ID: 93f8625f5ef34d5db5f52ead6b8105e1 X-Real-From: 15330273260@189.cn X-Receive-IP: 114.242.206.180 X-MEDUSA-Status: 0 From: Sui Jingfeng <15330273260@189.cn> To: Lucas Stach , Maarten Lankhorst , Maxime Ripard , Roland Scheidegger , Zack Rusin , Christian Gmeiner , David Airlie , Daniel Vetter , Rob Herring , Thomas Bogendoerfer , Krzysztof Kozlowski , Andrey Zhizhikin , Sam Ravnborg , suijingfeng Subject: [PATCH v2 0/1] drm/lsdc: add drm driver for loongson display controller Date: Sun, 30 Jan 2022 14:04:11 +0800 Message-Id: <20220130060412.12100-1-15330273260@189.cn> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 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: , Cc: kernel test robot , linux-mips@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" v2: fixup warnings reported by kernel test robot There is a display controller in loongson's LS2K1000 SoC and LS7A1000 bridge, and the DC in those chip is a PCI device. This display controller have two display pipes but with only one hardware cursor. This display controller is uncommon outside of china, it don't have rich document either. This patch try to provided a minimal support for this display controller which is for graphic environment bring up. Hope the code can speak for itself. For ls7a1000, there are 4 gpios who register is located at dc register space which is used to emulation i2c. LS2K1000 and LS2K0500 SoC don't have those hardware, they use general purpose gpio or hardware i2c to serve this purpose. LS2K1000 is a double core 1.0Ghz mips64r2 compatible SoC[1]. LS7A1000 is a bridge chip made by Loongson corporation which act as north and/or south bridge of loongson's desktop and server level processor. It is equivalent to RS780E or something like that. More details can be read from its user manual[2]. This bridge chip is typically use with LS3A3000, LS3A4000 and LS3A5000 cpu. LS3A3000 is 4 core 1.45gHz mips64r2 compatible cpu. LS3A4000 is 4 core 1.8gHz mips64r5 compatible cpu. LS3A5000 is 4 core 2.5gHz loongarch cpu[3]. [1] https://wiki.debian.org/InstallingDebianOn/Lemote/Loongson2K1000 [2] https://loongson.github.io/LoongArch-Documentation/Loongson-7A1000-usermanual-EN.html [3] https://loongson.github.io/LoongArch-Documentation/Loongson-3A5000-usermanual-EN.html Reported-by: kernel test robot Signed-off-by: suijingfeng Signed-off-by: Sui Jingfeng <15330273260@189.cn> suijingfeng (1): drm/lsdc: add drm driver for loongson display controller drivers/gpu/drm/Kconfig | 2 + drivers/gpu/drm/Makefile | 1 + drivers/gpu/drm/lsdc/Kconfig | 38 ++ drivers/gpu/drm/lsdc/Makefile | 15 + drivers/gpu/drm/lsdc/lsdc_connector.c | 439 ++++++++++++++ drivers/gpu/drm/lsdc/lsdc_connector.h | 60 ++ drivers/gpu/drm/lsdc/lsdc_crtc.c | 438 ++++++++++++++ drivers/gpu/drm/lsdc/lsdc_drv.c | 824 ++++++++++++++++++++++++++ drivers/gpu/drm/lsdc/lsdc_drv.h | 214 +++++++ drivers/gpu/drm/lsdc/lsdc_encoder.c | 79 +++ drivers/gpu/drm/lsdc/lsdc_i2c.c | 220 +++++++ drivers/gpu/drm/lsdc/lsdc_i2c.h | 61 ++ drivers/gpu/drm/lsdc/lsdc_irq.c | 77 +++ drivers/gpu/drm/lsdc/lsdc_irq.h | 37 ++ drivers/gpu/drm/lsdc/lsdc_plane.c | 694 ++++++++++++++++++++++ drivers/gpu/drm/lsdc/lsdc_pll.c | 605 +++++++++++++++++++ drivers/gpu/drm/lsdc/lsdc_pll.h | 109 ++++ drivers/gpu/drm/lsdc/lsdc_regs.h | 242 ++++++++ 18 files changed, 4155 insertions(+) create mode 100644 drivers/gpu/drm/lsdc/Kconfig create mode 100644 drivers/gpu/drm/lsdc/Makefile create mode 100644 drivers/gpu/drm/lsdc/lsdc_connector.c create mode 100644 drivers/gpu/drm/lsdc/lsdc_connector.h create mode 100644 drivers/gpu/drm/lsdc/lsdc_crtc.c create mode 100644 drivers/gpu/drm/lsdc/lsdc_drv.c create mode 100644 drivers/gpu/drm/lsdc/lsdc_drv.h create mode 100644 drivers/gpu/drm/lsdc/lsdc_encoder.c create mode 100644 drivers/gpu/drm/lsdc/lsdc_i2c.c create mode 100644 drivers/gpu/drm/lsdc/lsdc_i2c.h create mode 100644 drivers/gpu/drm/lsdc/lsdc_irq.c create mode 100644 drivers/gpu/drm/lsdc/lsdc_irq.h create mode 100644 drivers/gpu/drm/lsdc/lsdc_plane.c create mode 100644 drivers/gpu/drm/lsdc/lsdc_pll.c create mode 100644 drivers/gpu/drm/lsdc/lsdc_pll.h create mode 100644 drivers/gpu/drm/lsdc/lsdc_regs.h