From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752851AbbE0OFN (ORCPT ); Wed, 27 May 2015 10:05:13 -0400 Received: from down.free-electrons.com ([37.187.137.238]:33323 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752540AbbE0OFF (ORCPT ); Wed, 27 May 2015 10:05:05 -0400 From: Maxime Ripard To: Vinod Koul Cc: dmaengine@vger.kernel.org, Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , Thomas Petazzoni , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Maxime Ripard Subject: [PATCH 0/2] dmaengine: hdmac: Implement interleaved transfers support Date: Wed, 27 May 2015 16:01:51 +0200 Message-Id: <1432735313-481-1-git-send-email-maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.4.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi everyone, This patchset implements the interleaved transfer capability found on some AT91 SoCs. The hardware actually support a somewhat similar mode called picture-in-picture, that allows to transfer a squared portion of a framebuffer. That actually means that the interleaved transfer that this hardware support will need to have the same size and ICGs across all its chunks. It has been tested on the SAMA5D36. Let me know what you think! Maxime Maxime Ripard (2): dmaengine: Move icg helpers to global header dmaengine: hdmac: Implement interleaved transfers drivers/dma/at_hdmac.c | 106 ++++++++++++++++++++++++++++++++++++++++++++ drivers/dma/at_hdmac_regs.h | 5 +++ drivers/dma/at_xdmac.c | 46 ++----------------- include/linux/dmaengine.h | 27 +++++++++++ 4 files changed, 142 insertions(+), 42 deletions(-) -- 2.4.1