From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: Wesley Cheng <quic_wcheng@quicinc.com>,
srinivas.kandagatla@linaro.org, mathias.nyman@intel.com,
perex@perex.cz, conor+dt@kernel.org, corbet@lwn.net,
broonie@kernel.org, lgirdwood@gmail.com, krzk+dt@kernel.org,
Thinh.Nguyen@synopsys.com, bgoswami@quicinc.com, tiwai@suse.com,
gregkh@linuxfoundation.org, robh@kernel.org
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-sound@vger.kernel.org, linux-usb@vger.kernel.org,
linux-arm-msm@vger.kernel.org, linux-doc@vger.kernel.org,
alsa-devel@alsa-project.org
Subject: Re: [PATCH v24 15/34] ASoC: qcom: qdsp6: Introduce USB AFE port to q6dsp
Date: Thu, 1 Aug 2024 10:30:39 +0200 [thread overview]
Message-ID: <33f0e72e-aff8-4733-bf71-dd592a99de97@linux.intel.com> (raw)
In-Reply-To: <20240801011730.4797-16-quic_wcheng@quicinc.com>
On 8/1/24 03:17, Wesley Cheng wrote:
> The QC ADSP is able to support USB playback endpoints, so that the main
> application processor can be placed into lower CPU power modes. This adds
> the required AFE port configurations and port start command to start an
> audio session.
>
> Specifically, the QC ADSP can support all potential endpoints that are
> exposed by the audio data interface. This includes, feedback endpoints
> (both implicit and explicit) as well as the isochronous (data) endpoints.
> The size of audio samples sent per USB frame (microframe) will be adjusted
> based on information received on the feedback endpoint.
>
> Some pre-requisites are needed before issuing the AFE port start command,
> such as setting the USB AFE dev_token. This carries information about the
> available USB SND cards and PCM devices that have been discovered on the
> USB bus. The dev_token field is used by the audio DSP to notify the USB
> offload driver of which card and PCM index to enable playback on.
It's just fine if the AFE stuff relies on the 'port' definition/concept,
but I don't think it needs to pop-up at the ASoC/USB level.
next prev parent reply other threads:[~2024-08-01 9:30 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-01 1:16 [PATCH v24 00/34] Introduce QC USB SND audio offloading support Wesley Cheng
2024-08-01 1:16 ` [PATCH v24 01/34] xhci: add helper to stop endpoint and wait for completion Wesley Cheng
2024-08-01 1:16 ` [PATCH v24 02/34] usb: host: xhci: Repurpose event handler for skipping interrupter events Wesley Cheng
2024-08-01 1:16 ` [PATCH v24 03/34] xhci: sideband: add initial api to register a sideband entity Wesley Cheng
2024-08-06 14:49 ` Amadeusz Sławiński
2024-08-20 18:03 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 04/34] usb: xhci: Allow for secondary interrupter to set IMOD Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 05/34] usb: host: xhci-mem: Cleanup pending secondary event ring events Wesley Cheng
2024-08-06 14:50 ` Amadeusz Sławiński
2024-08-20 18:18 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 06/34] usb: host: xhci-mem: Allow for interrupter clients to choose specific index Wesley Cheng
2024-08-06 14:50 ` Amadeusz Sławiński
2024-08-01 1:17 ` [PATCH v24 07/34] usb: host: xhci-plat: Set XHCI max interrupters if property is present Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 08/34] usb: dwc3: Specify maximum number of XHCI interrupters Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 09/34] ASoC: Add SOC USB APIs for adding an USB backend Wesley Cheng
2024-08-01 8:02 ` Pierre-Louis Bossart
2024-08-01 21:43 ` Wesley Cheng
2024-08-02 6:26 ` Pierre-Louis Bossart
2024-08-06 19:52 ` Wesley Cheng
2024-08-16 21:48 ` Wesley Cheng
2024-08-19 6:26 ` Pierre-Louis Bossart
2024-08-13 22:57 ` Wesley Cheng
2024-08-14 9:20 ` Pierre-Louis Bossart
2024-08-01 1:17 ` [PATCH v24 10/34] ASoC: usb: Create SOC USB SND jack kcontrol Wesley Cheng
2024-08-01 8:07 ` Pierre-Louis Bossart
2024-08-01 22:43 ` Wesley Cheng
2024-08-06 14:51 ` Amadeusz Sławiński
2024-08-08 1:24 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 11/34] ASoC: usb: Fetch ASoC card and pcm device information Wesley Cheng
2024-08-01 8:11 ` Pierre-Louis Bossart
2024-08-01 22:46 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 12/34] ASoC: doc: Add documentation for SOC USB Wesley Cheng
2024-08-01 8:26 ` Pierre-Louis Bossart
2024-08-01 23:50 ` Wesley Cheng
2024-08-06 14:51 ` Amadeusz Sławiński
2024-08-08 1:23 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 13/34] ASoC: dt-bindings: Update example for enabling USB offload on SM8250 Wesley Cheng
2024-08-01 2:22 ` Rob Herring (Arm)
2024-08-01 1:17 ` [PATCH v24 14/34] ASoC: dt-bindings: qcom,q6dsp-lpass-ports: Add USB_RX port Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 15/34] ASoC: qcom: qdsp6: Introduce USB AFE port to q6dsp Wesley Cheng
2024-08-01 8:30 ` Pierre-Louis Bossart [this message]
2024-08-01 1:17 ` [PATCH v24 16/34] ASoC: qcom: qdsp6: q6afe: Increase APR timeout Wesley Cheng
2024-08-01 8:33 ` Pierre-Louis Bossart
2024-08-01 23:04 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 17/34] ASoC: qcom: qdsp6: Add USB backend ASoC driver for Q6 Wesley Cheng
2024-08-01 8:40 ` Pierre-Louis Bossart
2024-08-01 23:10 ` Wesley Cheng
2024-08-02 6:32 ` Pierre-Louis Bossart
2024-08-07 20:05 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 18/34] ASoC: qcom: qdsp6: Add headphone jack for offload connection status Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 19/34] ASoC: qcom: qdsp6: Fetch USB offload mapped card and PCM device Wesley Cheng
2024-08-01 8:46 ` Pierre-Louis Bossart
2024-08-01 1:17 ` [PATCH v24 20/34] ALSA: usb-audio: Introduce USB SND platform op callbacks Wesley Cheng
2024-08-01 8:49 ` Pierre-Louis Bossart
2024-08-01 1:17 ` [PATCH v24 21/34] ALSA: usb-audio: Export USB SND APIs for modules Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 22/34] ALSA: usb-audio: Save UAC sample size information Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 23/34] ALSA: usb-audio: Prevent starting of audio stream if in use Wesley Cheng
2024-08-06 14:51 ` Amadeusz Sławiński
2024-08-08 1:19 ` Wesley Cheng
2024-08-08 1:19 ` Wesley Cheng
2024-08-08 12:11 ` Amadeusz Sławiński
2024-08-08 12:36 ` Pierre-Louis Bossart
2024-08-08 14:54 ` Amadeusz Sławiński
2024-08-08 19:47 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 24/34] ALSA: usb-audio: qcom: Add USB QMI definitions Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 25/34] ALSA: usb-audio: qcom: Introduce QC USB SND offloading support Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 26/34] ALSA: usb-audio: qcom: Don't allow USB offload path if PCM device is in use Wesley Cheng
2024-08-01 8:57 ` Pierre-Louis Bossart
2024-08-08 1:03 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 27/34] ALSA: usb-audio: qcom: Use card and PCM index from QMI request Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 28/34] ALSA: usb-audio: qcom: Populate PCM and USB chip information Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 29/34] ALSA: usb-audio: qcom: Add USB offload route kcontrol Wesley Cheng
2024-08-01 9:02 ` Pierre-Louis Bossart
2024-08-08 1:10 ` Wesley Cheng
2024-08-20 2:33 ` Wesley Cheng
2024-08-20 6:39 ` Pierre-Louis Bossart
2024-08-20 17:37 ` Wesley Cheng
2024-08-20 23:38 ` Wesley Cheng
2024-08-21 7:02 ` Pierre-Louis Bossart
2024-08-21 19:21 ` Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 30/34] ALSA: usb-audio: Allow for rediscovery of connected USB SND devices Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 31/34] ASoC: usb: Rediscover USB SND devices on USB port add Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 32/34] ALSA: usb-audio: Check for support for requested audio format Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 33/34] ASoC: usb: Add PCM format check API for USB backend Wesley Cheng
2024-08-01 1:17 ` [PATCH v24 34/34] ASoC: qcom: qdsp6: Ensure PCM format is supported by USB audio device Wesley Cheng
2024-08-01 9:04 ` Pierre-Louis Bossart
2024-08-01 8:36 ` [PATCH v24 00/34] Introduce QC USB SND audio offloading support Krzysztof Kozlowski
2024-08-01 9:10 ` Pierre-Louis Bossart
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