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Tue, 29 Aug 2023 21:07:16 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 37TL7F7S016231 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Aug 2023 21:07:15 GMT Received: from hu-wcheng-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Tue, 29 Aug 2023 14:07:14 -0700 From: Wesley Cheng To: , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v5 25/32] ASoC: qcom: qdsp6: q6afe: Split USB AFE dev_token param into separate API Date: Tue, 29 Aug 2023 14:06:50 -0700 Message-ID: <20230829210657.9904-26-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230829210657.9904-1-quic_wcheng@quicinc.com> References: <20230829210657.9904-1-quic_wcheng@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: Xz4hjxtL95LtsRlntqKtGUY8N_i7dU6z X-Proofpoint-GUID: Xz4hjxtL95LtsRlntqKtGUY8N_i7dU6z X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-29_14,2023-08-29_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 mlxscore=0 mlxlogscore=999 malwarescore=0 lowpriorityscore=0 phishscore=0 clxscore=1015 spamscore=0 bulkscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308290181 Message-ID-Hash: JHSIIGZQ67G7MBJLFSOF2GQB4ANEDKBJ X-Message-ID-Hash: JHSIIGZQ67G7MBJLFSOF2GQB4ANEDKBJ X-MailFrom: quic_wcheng@quicinc.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: The Q6USB backend can carry information about the available USB SND cards and PCM devices 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. Separate this into a dedicated API, so the USB backend can set the dev_token accordingly. The audio DSP does not utilize this information until the AFE port start command is sent, which is done during the PCM prepare phase. Signed-off-by: Wesley Cheng --- sound/soc/qcom/qdsp6/q6afe.c | 49 +++++++++++++++++++++++++----------- sound/soc/qcom/qdsp6/q6afe.h | 1 + 2 files changed, 36 insertions(+), 14 deletions(-) diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c index 72c4e6fe20c4..f09a756246f8 100644 --- a/sound/soc/qcom/qdsp6/q6afe.c +++ b/sound/soc/qcom/qdsp6/q6afe.c @@ -1394,10 +1394,42 @@ void q6afe_tdm_port_prepare(struct q6afe_port *port, } EXPORT_SYMBOL_GPL(q6afe_tdm_port_prepare); -static int afe_port_send_usb_dev_param(struct q6afe_port *port, struct q6afe_usb_cfg *cfg) +/** + * afe_port_send_usb_dev_param() - Send USB dev token + * + * @port: Instance of afe port + * @cardidx: USB SND card index to reference + * @pcmidx: USB SND PCM device index to reference + * + * The USB dev token carries information about which USB SND card instance and + * PCM device to execute the offload on. This information is carried through + * to the stream enable QMI request, which is handled by the offload class + * driver. The information is parsed to determine which USB device to query + * the required resources for. + */ +int afe_port_send_usb_dev_param(struct q6afe_port *port, int cardidx, int pcmidx) { - union afe_port_config *pcfg = &port->port_cfg; struct afe_param_id_usb_audio_dev_params usb_dev; + int ret; + + memset(&usb_dev, 0, sizeof(usb_dev)); + + usb_dev.cfg_minor_version = AFE_API_MINOR_VERSION_USB_AUDIO_CONFIG; + usb_dev.dev_token = (cardidx << 16) | (pcmidx << 8); + ret = q6afe_port_set_param_v2(port, &usb_dev, + AFE_PARAM_ID_USB_AUDIO_DEV_PARAMS, + AFE_MODULE_AUDIO_DEV_INTERFACE, sizeof(usb_dev)); + if (ret) + dev_err(port->afe->dev, "%s: AFE device param cmd failed %d\n", + __func__, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(afe_port_send_usb_dev_param); + +static int afe_port_send_usb_params(struct q6afe_port *port, struct q6afe_usb_cfg *cfg) +{ + union afe_port_config *pcfg = &port->port_cfg; struct afe_param_id_usb_audio_dev_lpcm_fmt lpcm_fmt; struct afe_param_id_usb_audio_svc_interval svc_int; int ret = 0; @@ -1408,20 +1440,9 @@ static int afe_port_send_usb_dev_param(struct q6afe_port *port, struct q6afe_usb goto exit; } - memset(&usb_dev, 0, sizeof(usb_dev)); memset(&lpcm_fmt, 0, sizeof(lpcm_fmt)); memset(&svc_int, 0, sizeof(svc_int)); - usb_dev.cfg_minor_version = AFE_API_MINOR_VERSION_USB_AUDIO_CONFIG; - ret = q6afe_port_set_param_v2(port, &usb_dev, - AFE_PARAM_ID_USB_AUDIO_DEV_PARAMS, - AFE_MODULE_AUDIO_DEV_INTERFACE, sizeof(usb_dev)); - if (ret) { - dev_err(port->afe->dev, "%s: AFE device param cmd failed %d\n", - __func__, ret); - goto exit; - } - lpcm_fmt.cfg_minor_version = AFE_API_MINOR_VERSION_USB_AUDIO_CONFIG; lpcm_fmt.endian = pcfg->usb_cfg.endian; ret = q6afe_port_set_param_v2(port, &lpcm_fmt, @@ -1463,7 +1484,7 @@ void q6afe_usb_port_prepare(struct q6afe_port *port, pcfg->usb_cfg.num_channels = cfg->num_channels; pcfg->usb_cfg.bit_width = cfg->bit_width; - afe_port_send_usb_dev_param(port, cfg); + afe_port_send_usb_params(port, cfg); } EXPORT_SYMBOL_GPL(q6afe_usb_port_prepare); diff --git a/sound/soc/qcom/qdsp6/q6afe.h b/sound/soc/qcom/qdsp6/q6afe.h index ef47b4ae9e27..2ce5ba9dba69 100644 --- a/sound/soc/qcom/qdsp6/q6afe.h +++ b/sound/soc/qcom/qdsp6/q6afe.h @@ -263,6 +263,7 @@ void q6afe_tdm_port_prepare(struct q6afe_port *port, struct q6afe_tdm_cfg *cfg); void q6afe_cdc_dma_port_prepare(struct q6afe_port *port, struct q6afe_cdc_dma_cfg *cfg); +int afe_port_send_usb_dev_param(struct q6afe_port *port, int cardidx, int pcmidx); int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id, int clk_src, int clk_root, unsigned int freq, int dir);