From patchwork Fri Nov 24 15:08:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 13467767 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="n+TOSadV" Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9660593 for ; Fri, 24 Nov 2023 07:08:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700838513; x=1732374513; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Q9WCbZVURpnqvd5xlh4EYvKFVSLfCjZ9vNYEc46ktjw=; b=n+TOSadVDucaq62TXcrmF3DaPpmoVPhEAvLI1BmSVv2pNNj2c83kTUj+ YpxpNNc14uWhk6nfBIWoX0zfdPPQukD6ygTdbK93w8KsHNFUv8oyhlB9w WCQHQaDAZF9e8uJ1DT/eMsHMogPTC1nITOidBpqlNOpOwskyEpn8ZAwd/ +QQuq4ywc9t1AuwTBd+7I0g4O2dEeArowB7j3/BmcCkFgxCEpFlNUEX3U FWCJFIRG9CEXbKAVzcYepEVUqQmhfOke+muFc+HwWjzoMfu8hu1YL2wTu 5onaIRE/mSTQbONx2x2HyguANwKCQmhJi1TBR50U14mPI6ohRBaPK+98l w==; X-IronPort-AV: E=McAfee;i="6600,9927,10904"; a="377477074" X-IronPort-AV: E=Sophos;i="6.04,224,1695711600"; d="scan'208";a="377477074" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2023 07:08:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10904"; a="743915686" X-IronPort-AV: E=Sophos;i="6.04,224,1695711600"; d="scan'208";a="743915686" Received: from barumuga-mobl1.ger.corp.intel.com (HELO pujfalus-desk.ger.corp.intel.com) ([10.252.58.182]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2023 07:08:30 -0800 From: Peter Ujfalusi To: lgirdwood@gmail.com, broonie@kernel.org Cc: alsa-devel@alsa-project.org, linux-sound@vger.kernel.org, pierre-louis.bossart@linux.intel.com, kai.vehmanen@linux.intel.com, ranjani.sridharan@linux.intel.com, seppo.ingalsuo@linux.intel.com Subject: [PATCH 4/4] ASoC: SOF: ipc4: Handle ALSA kcontrol change notification from firmware Date: Fri, 24 Nov 2023 17:08:53 +0200 Message-ID: <20231124150853.18648-5-peter.ujfalusi@linux.intel.com> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231124150853.18648-1-peter.ujfalusi@linux.intel.com> References: <20231124150853.18648-1-peter.ujfalusi@linux.intel.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The control change notification is sent as module notification with a standardized event_id (higher 16 bit is 0xA15A). Add generic code to handle the module notification and invoke the control update callback if the notification is an ALSA kcontrol change message. Signed-off-by: Peter Ujfalusi Reviewed-by: Ranjani Sridharan Reviewed-by: Pierre-Louis Bossart --- sound/soc/sof/ipc4.c | 57 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c index 8441f4ae4065..a9d9800d2fcc 100644 --- a/sound/soc/sof/ipc4.c +++ b/sound/soc/sof/ipc4.c @@ -78,6 +78,9 @@ static const struct sof_ipc4_fw_status { {165, "Reserved (ADSP_IPC_PIPELINE_ALREADY_EXISTS removed)"}, }; +typedef void (*ipc4_notification_handler)(struct snd_sof_dev *sdev, + struct sof_ipc4_msg *msg); + static int sof_ipc4_check_reply_status(struct snd_sof_dev *sdev, u32 status) { int i, ret; @@ -610,9 +613,55 @@ static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg return sof_ipc4_init_msg_memory(sdev); } +static void sof_ipc4_module_notification_handler(struct snd_sof_dev *sdev, + struct sof_ipc4_msg *ipc4_msg) +{ + struct sof_ipc4_notify_module_data *data = ipc4_msg->data_ptr; + + /* + * If the notification includes additional, module specific data, then + * we need to re-allocate the buffer and re-read the whole payload, + * including the event_data + */ + if (data->event_data_size) { + void *new; + int ret; + + ipc4_msg->data_size += data->event_data_size; + + new = krealloc(ipc4_msg->data_ptr, ipc4_msg->data_size, GFP_KERNEL); + if (!new) { + ipc4_msg->data_size -= data->event_data_size; + return; + } + + /* re-read the whole payload */ + ipc4_msg->data_ptr = new; + ret = snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, + ipc4_msg->data_size); + if (ret < 0) { + dev_err(sdev->dev, + "Failed to read the full module notification: %d\n", + ret); + return; + } + data = ipc4_msg->data_ptr; + } + + /* Handle ALSA kcontrol notification */ + if ((data->event_id & SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_MASK) == + SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_VAL) { + const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; + + if (tplg_ops->control->update) + tplg_ops->control->update(sdev, ipc4_msg); + } +} + static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev) { struct sof_ipc4_msg *ipc4_msg = sdev->ipc->msg.rx_data; + ipc4_notification_handler handler_func = NULL; size_t data_size = 0; int err; @@ -648,6 +697,10 @@ static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev) case SOF_IPC4_NOTIFY_EXCEPTION_CAUGHT: snd_sof_dsp_panic(sdev, 0, true); break; + case SOF_IPC4_NOTIFY_MODULE_NOTIFICATION: + data_size = sizeof(struct sof_ipc4_notify_module_data); + handler_func = sof_ipc4_module_notification_handler; + break; default: dev_dbg(sdev->dev, "Unhandled DSP message: %#x|%#x\n", ipc4_msg->primary, ipc4_msg->extension); @@ -663,6 +716,10 @@ static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev) snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size); } + /* Handle notifications with payload */ + if (handler_func) + handler_func(sdev, ipc4_msg); + sof_ipc4_log_header(sdev->dev, "ipc rx done ", ipc4_msg, true); if (data_size) {