From patchwork Mon Dec 17 17:19:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gustavo Pimentel X-Patchwork-Id: 1014644 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="cIr73Rmn"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43JSZZ32mWz9s3q for ; Tue, 18 Dec 2018 04:19:50 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387522AbeLQRTr (ORCPT ); Mon, 17 Dec 2018 12:19:47 -0500 Received: from smtprelay4.synopsys.com ([198.182.47.9]:56488 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732544AbeLQRTr (ORCPT ); Mon, 17 Dec 2018 12:19:47 -0500 Received: from mailhost.synopsys.com (mailhost2.synopsys.com [10.13.184.66]) by smtprelay.synopsys.com (Postfix) with ESMTP id CBCE624E27BD; Mon, 17 Dec 2018 09:19:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1545067187; bh=soDh3s6LK9k3liO3hhStLZp8+ZiL9ol3JTveXTvLzXY=; h=From:To:Cc:Subject:Date:From; b=cIr73RmnQmtZRNfyEkRqtBc2AeYdpQbW0y63C7CQSVM2JQGEOwwuwBI+03eYG9iS+ DryJBnIx3UWVwuYX8CTAnj7zdzvN2FUn8kXI8y5LXH/R8tk0sJhrNd09VXIS7sZpSn DTVyRFZGR6bbwqKE+cRiYmwdLXw0BgViyS8yVZx/gbIfUCWgCIOPe/wK4Ykbu628Pg D47jZx3Ns5SxWPDOvFEU7WblfEl0weRgskZxCzh7RGYTX8IwPKDmiMRxxbIPcQHyE/ mNThZWou3BFnKtTP3dftKGvAkj2k/IH4dbIdbI1KjWHYZtS5MtyrHnEATNRLOBbsUV 28uUcD+MVu4SQ== Received: from de02.synopsys.com (germany.internal.synopsys.com [10.225.17.21]) by mailhost.synopsys.com (Postfix) with ESMTP id CC7E6402B; Mon, 17 Dec 2018 09:19:45 -0800 (PST) Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by de02.synopsys.com (Postfix) with ESMTP id 0713D7EFE; Mon, 17 Dec 2018 18:19:45 +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 v2 0/6] dmaengine: Add Synopsys eDMA IP driver (version 0) Date: Mon, 17 Dec 2018 18:19:32 +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) 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 - PCIe EndPoint glue-logic Gustavo Pimentel (6): 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 MAINTAINERS | 7 + drivers/dma/Kconfig | 2 + drivers/dma/Makefile | 1 + drivers/dma/dw-edma/Kconfig | 18 + drivers/dma/dw-edma/Makefile | 7 + drivers/dma/dw-edma/dw-edma-core.c | 845 +++++++++++++++++++++++++++++++ drivers/dma/dw-edma/dw-edma-core.h | 147 ++++++ drivers/dma/dw-edma/dw-edma-pcie.c | 258 ++++++++++ drivers/dma/dw-edma/dw-edma-v0-core.c | 361 +++++++++++++ drivers/dma/dw-edma/dw-edma-v0-core.h | 26 + drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 357 +++++++++++++ drivers/dma/dw-edma/dw-edma-v0-debugfs.h | 24 + drivers/dma/dw-edma/dw-edma-v0-regs.h | 145 ++++++ drivers/misc/pci_endpoint_test.c | 2 +- include/linux/dma/edma.h | 43 ++ include/linux/pci_ids.h | 1 + 16 files changed, 2243 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-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