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Fri, 7 May 2021 10:04:35 -0400 (EDT) From: Maxime Ripard To: Mark Brown , Takashi Iwai , Liam Girdwood , Jaroslav Kysela , dri-devel@lists.freedesktop.org, Daniel Vetter , David Airlie , Maarten Lankhorst , Thomas Zimmermann , Maxime Ripard Subject: [PATCH 00/11] drm/vc4: hdmi: Enable Channel Mapping, IEC958, HBR Passthrough using hdmi-codec Date: Fri, 7 May 2021 16:03:23 +0200 Message-Id: <20210507140334.204865-1-maxime@cerno.tech> X-Mailer: git-send-email 2.31.1 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Dom Cobley , Tim Gover , Dave Stevenson , linux-kernel@vger.kernel.org, Maxime Ripard , Eric Anholt , Rob Herring , bcm-kernel-feedback-list@broadcom.com, Nicolas Saenz Julienne , Daniel Vetter , Phil Elwell , linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Hi,=0D =0D hdmi-codec allows to have a lot of HDMI-audio related infrastructure in pla= ce,=0D it's missing a few controls to be able to provide HBR passthrough. This ser= ies=0D adds more infrastructure for the drivers, and leverages it in the vc4 HDMI= =0D controller driver.=0D =0D One thing that felt a bit weird is that even though=0D https://www.kernel.org/doc/html/latest/sound/kernel-api/writing-an-alsa-dri= ver.html#iec958-s-pdif=0D mentions that the iec958 mask control should be a mixer control and the=0D default control should be a PCM one, it feels a bit weird to have two diffe= rent=0D control type for two controls so similar, and other drivers are pretty=0D inconsistent with this. Should we update the documentation?=0D =0D Thanks!=0D Maxime=0D =0D Dom Cobley (5):=0D drm/vc4: hdmi: Set HD_CTL_WHOLSMP and HD_CTL_CHALIGN_SET=0D drm/vc4: hdmi: Set HDMI_MAI_FMT=0D drm/vc4: hdmi: Set VC4_HDMI_MAI_CONFIG_FORMAT_REVERSE=0D drm/vc4: hdmi: Remove firmware logic for MAI threshold setting=0D ARM: dts: bcm2711: Tune DMA parameters for HDMI audio=0D =0D Maxime Ripard (6):=0D snd: iec958: split status creation and fill=0D ASoC: hdmi-codec: Rework to support more controls=0D ASoC: hdmi-codec: Add iec958 controls=0D ASoC: hdmi-codec: Add a prepare hook=0D drm/vc4: hdmi: Register HDMI codec=0D drm/vc4: hdmi: Remove redundant variables=0D =0D arch/arm/boot/dts/bcm2711.dtsi | 4 +-=0D drivers/gpu/drm/vc4/Kconfig | 1 +=0D drivers/gpu/drm/vc4/vc4_hdmi.c | 322 ++++++++++++++-------------------=0D drivers/gpu/drm/vc4/vc4_hdmi.h | 5 +-=0D drivers/gpu/drm/vc4/vc4_regs.h | 30 +++=0D include/sound/hdmi-codec.h | 12 +-=0D include/sound/pcm_iec958.h | 8 +=0D sound/core/pcm_iec958.c | 131 +++++++++-----=0D sound/soc/codecs/hdmi-codec.c | 219 +++++++++++++++++-----=0D 9 files changed, 456 insertions(+), 276 deletions(-)=0D =0D -- =0D 2.31.1=0D =0D