From patchwork Fri Jan 11 18:33:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gustavo Pimentel X-Patchwork-Id: 1023739 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=synopsys.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=synopsys.com header.i=@synopsys.com header.b="ZNaRg/Oo"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43bs2d4DnZz9s7h for ; Sat, 12 Jan 2019 05:34:01 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387638AbfAKSdy (ORCPT ); Fri, 11 Jan 2019 13:33:54 -0500 Received: from us01smtprelay-2.synopsys.com ([198.182.60.111]:50450 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729700AbfAKSdx (ORCPT ); Fri, 11 Jan 2019 13:33:53 -0500 Received: from mailhost.synopsys.com (mailhost2.synopsys.com [10.13.184.66]) by smtprelay.synopsys.com (Postfix) with ESMTP id 93DE410C0AC3; Fri, 11 Jan 2019 10:33:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1547231633; bh=iOve/Xofz/TO9QHC791tQIuuq6wR20Hs9lma0CUG3Fg=; h=From:To:Cc:Subject:Date:From; b=ZNaRg/OomR58+qftLQ95hUeV3LKmR6OKPBzkivzki8WgsLmi8Uh1SikzcMvSaWZnC cNEebuDGHcCIdL64dOJ1v5a6Ms0weC2r9VbyXuYR7NpwpTGbSVEpskLsNdKzXPieTW MlEYtqqoZZSbF588fsjhxwVLrmZzJaauz/OqlBVbEETeu7GKT351jsB7vvIJTNBKl/ ItIswqUoZn3U+r1TgF19dk2UIRXce31QXMVCOcRoF7oVTabPk1wkmd4QfUOpe4TSGN tgQskl4bwXU05ZesqhRnZTI7DKbZdbMcqzzT90POlIGOwCBCBd6MVmPW+NEu3li24o jXNGzhos/HoBg== Received: from de02.synopsys.com (de02.internal.synopsys.com [10.225.17.21]) by mailhost.synopsys.com (Postfix) with ESMTP id 89AA62ED7; Fri, 11 Jan 2019 10:33:51 -0800 (PST) Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by de02.synopsys.com (Postfix) with ESMTP id 915CB3ED74; Fri, 11 Jan 2019 19:33:50 +0100 (CET) From: Gustavo Pimentel To: linux-pci@vger.kernel.org, dmaengine@vger.kernel.org Cc: Gustavo Pimentel , Vinod Koul , Andy Shevchenko , Russell King , Eugeniy Paltsev , Lorenzo Pieralisi , Bjorn Helgaas , Kishon Vijay Abraham I , Niklas Cassel , Joao Pinto , Jose Abreu , Luis Oliveira , Vitor Soares , Nelson Costa , Pedro Sousa Subject: [RFC v3 0/6] dmaengine: Add Synopsys eDMA IP driver (version 0) Date: Fri, 11 Jan 2019 19:33:36 +0100 Message-Id: X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add Synopsys eDMA IP driver (version 0 and for EP side only) to Linux kernel. This IP is generally distributed with Synopsys PCIe EndPoint IP (depends of the use and licensing agreement), which supports: - legacy and unroll modes - 16 independent and concurrent channels (8 write + 8 read) - supports linked list (scatter-gather) transfer - each linked list descriptor can transfer from 1 byte to 4 Gbytes - supports cyclic transfer - PCIe EndPoint glue-logic This patch series contains: - eDMA core + eDMA core v0 driver (implements the interface with DMAengine controller APIs and interfaces with eDMA HW block) - eDMA PCIe glue-logic reference driver (attaches to Synopsys EP and provides memory access to eDMA core driver) - eDMA Test driver (is a reference driver which aims to test the eDMA, which uses DMAengine client APIs) Gustavo Pimentel (7): dmaengine: Add Synopsys eDMA IP core driver dmaengine: Add Synopsys eDMA IP version 0 support dmaengine: Add Synopsys eDMA IP version 0 debugfs support PCI: Add Synopsys endpoint EDDA Device id dmaengine: Add Synopsys eDMA IP PCIe glue-logic MAINTAINERS: Add Synopsys eDMA IP driver maintainer dmaengine: Add Synopsys eDMA IP test and sample driver MAINTAINERS | 7 + drivers/dma/Kconfig | 2 + drivers/dma/Makefile | 1 + drivers/dma/dw-edma/Kconfig | 25 + drivers/dma/dw-edma/Makefile | 8 + drivers/dma/dw-edma/dw-edma-core.c | 1080 ++++++++++++++++++++++++++++++ drivers/dma/dw-edma/dw-edma-core.h | 151 +++++ drivers/dma/dw-edma/dw-edma-pcie.c | 254 +++++++ drivers/dma/dw-edma/dw-edma-test.c | 897 +++++++++++++++++++++++++ drivers/dma/dw-edma/dw-edma-v0-core.c | 347 ++++++++++ drivers/dma/dw-edma/dw-edma-v0-core.h | 26 + drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 361 ++++++++++ drivers/dma/dw-edma/dw-edma-v0-debugfs.h | 24 + drivers/dma/dw-edma/dw-edma-v0-regs.h | 156 +++++ drivers/misc/pci_endpoint_test.c | 2 +- include/linux/dma/edma.h | 43 ++ include/linux/pci_ids.h | 1 + 17 files changed, 3384 insertions(+), 1 deletion(-) create mode 100644 drivers/dma/dw-edma/Kconfig create mode 100644 drivers/dma/dw-edma/Makefile create mode 100644 drivers/dma/dw-edma/dw-edma-core.c create mode 100644 drivers/dma/dw-edma/dw-edma-core.h create mode 100644 drivers/dma/dw-edma/dw-edma-pcie.c create mode 100644 drivers/dma/dw-edma/dw-edma-test.c create mode 100644 drivers/dma/dw-edma/dw-edma-v0-core.c create mode 100644 drivers/dma/dw-edma/dw-edma-v0-core.h create mode 100644 drivers/dma/dw-edma/dw-edma-v0-debugfs.c create mode 100644 drivers/dma/dw-edma/dw-edma-v0-debugfs.h create mode 100644 drivers/dma/dw-edma/dw-edma-v0-regs.h create mode 100644 include/linux/dma/edma.h Signed-off-by: Gustavo Pimentel Cc: Vinod Koul Cc: Andy Shevchenko Cc: Russell King Cc: Eugeniy Paltsev Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Kishon Vijay Abraham I Cc: Niklas Cassel Cc: Joao Pinto Cc: Jose Abreu Cc: Luis Oliveira Cc: Vitor Soares Cc: Nelson Costa Cc: Pedro Sousa