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From:   Stefan Mavrodiev <stefan@olimex.com>
To:     Dan Williams <dan.j.williams@intel.com>,
        Vinod Koul <vkoul@kernel.org>,
        Maxime Ripard <mripard@kernel.org>,
        Chen-Yu Tsai <wens@csie.org>, David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        linux-kernel@vger.kernel.org (open list),
        dmaengine@vger.kernel.org (open list:DMA GENERIC OFFLOAD ENGINE
        SUBSYSTEM),
        linux-arm-kernel@lists.infradead.org (moderated list:ARM/Allwinner
        sunXi SoC support),
        dri-devel@lists.freedesktop.org (open list:DRM DRIVERS FOR ALLWINNER
        A10)
Cc:     linux-sunxi@googlegroups.com, Stefan Mavrodiev <stefan@olimex.com>
Subject: [PATCH v2 0/2] Add support for sun4i HDMI audio
Date:   Mon, 20 Jan 2020 14:33:24 +0200
Message-Id: <20200120123326.30743-1-stefan@olimex.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

This patch series add support for HDMI audio for sun4i HDMI encored.
The code uses some parts from the Allwinners's BSP kernel.

Currently cyclic DMA transfers are disabled. The first patch permits them
as they are required for the audio.

The patch is tested on A20 chip. For the other chips, only the addresses
of the registers are checked.

Changes for v2:
 - Create a new platform driver instead of using the HDMI encoder
 - Expose a new kcontrol to the userspace holding the ELD data
 - Wrap all macro arguments in parentheses

Stefan Mavrodiev (2):
  dmaengine: sun4i: Add support for cyclic requests with dedicated DMA
  drm: sun4i: hdmi: Add support for sun4i HDMI encoder audio

 drivers/dma/sun4i-dma.c                  |  45 +--
 drivers/gpu/drm/sun4i/Kconfig            |   1 +
 drivers/gpu/drm/sun4i/Makefile           |   1 +
 drivers/gpu/drm/sun4i/sun4i_hdmi.h       |  28 ++
 drivers/gpu/drm/sun4i/sun4i_hdmi_audio.c | 452 +++++++++++++++++++++++
 drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c   |  20 +
 6 files changed, 526 insertions(+), 21 deletions(-)
 create mode 100644 drivers/gpu/drm/sun4i/sun4i_hdmi_audio.c

-- 
2.17.1