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=-6.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 2E3FAC282DD for ; Tue, 23 Apr 2019 18:30:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EAA0E20693 for ; Tue, 23 Apr 2019 18:30:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="kkLfeHze" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726142AbfDWSa0 (ORCPT ); Tue, 23 Apr 2019 14:30:26 -0400 Received: from dc2-smtprelay2.synopsys.com ([198.182.61.142]:60386 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726074AbfDWSaZ (ORCPT ); Tue, 23 Apr 2019 14:30:25 -0400 Received: from mailhost.synopsys.com (dc2-mailhost2.synopsys.com [10.12.135.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 4C26EC0B10; Tue, 23 Apr 2019 18:30:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1556044224; bh=P3PDKBh5Tmuow7pKb5XuRnQlmy8Ut8iWYQgNqBVrhY0=; h=From:To:Cc:Subject:Date:From; b=kkLfeHze7wwyR2EguYqOz0UPS/GXpOqwQTW0lBDlZErcSQnJsFtOoB7UeSaUIJW51 rKDiUC+dCMgOJmRUPXujjVzPgozqBuyeUtBejKW37C6uZNIt7Il5jIuCBXLg2Go4Hr 09N1qhhU7IBLJXhTBOoF5eLkhcd4yhI72l9BIzjbBQlY8Mq2jxCyJpl/BBruoJBVSE XoKSRe9rhptvby6eHhJozbJR353WACLTbZ8npf8rMR791fi5Jz+2Pic+NsxbcSewj2 UypJGZjH2b18e3ppd11uYBhDnfmfxme7uoKkMqzWtf1bLeRB9vhyavklP5QeTHlek8 Up0JkMrB1T8Gw== Received: from de02.synopsys.com (germany.internal.synopsys.com [10.225.17.21]) by mailhost.synopsys.com (Postfix) with ESMTP id 4F8AFA009A; Tue, 23 Apr 2019 18:30:24 +0000 (UTC) Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by de02.synopsys.com (Postfix) with ESMTP id 7E1BC3F820; Tue, 23 Apr 2019 20:30:23 +0200 (CEST) From: Gustavo Pimentel To: linux-pci@vger.kernel.org, dmaengine@vger.kernel.org Cc: Gustavo Pimentel , Vinod Koul , Andy Shevchenko , Russell King , Lorenzo Pieralisi , Bjorn Helgaas , Kishon Vijay Abraham I , Joao Pinto Subject: [RFC v6 0/6] dmaengine: Add Synopsys eDMA IP driver (version 0) Date: Tue, 23 Apr 2019 20:30:07 +0200 Message-Id: X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@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) 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 | 920 +++++++++++++++++++++++++++++++ drivers/dma/dw-edma/dw-edma-core.h | 165 ++++++ drivers/dma/dw-edma/dw-edma-pcie.c | 229 ++++++++ drivers/dma/dw-edma/dw-edma-v0-core.c | 348 ++++++++++++ drivers/dma/dw-edma/dw-edma-v0-core.h | 28 + drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 361 ++++++++++++ drivers/dma/dw-edma/dw-edma-v0-debugfs.h | 28 + drivers/dma/dw-edma/dw-edma-v0-regs.h | 158 ++++++ drivers/misc/pci_endpoint_test.c | 2 +- include/linux/dma/edma.h | 47 ++ include/linux/pci_ids.h | 1 + 16 files changed, 2321 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: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Kishon Vijay Abraham I Cc: Joao Pinto -- 2.7.4