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Wed, 14 Jul 2021 19:14:40 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 0968FF804E4 for ; Wed, 14 Jul 2021 19:14:36 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 0968FF804E4 X-IronPort-AV: E=McAfee;i="6200,9189,10045"; a="190769984" X-IronPort-AV: E=Sophos;i="5.84,239,1620716400"; d="scan'208";a="190769984" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2021 10:14:36 -0700 X-IronPort-AV: E=Sophos;i="5.84,239,1620716400"; d="scan'208";a="413353793" Received: from alpinagh-mobl1.amr.corp.intel.com (HELO [10.212.71.223]) ([10.212.71.223]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2021 10:14:35 -0700 Subject: Re: [PATCH v2 12/16] ASoC: qcom: audioreach: add q6prm support To: Srinivas Kandagatla , bjorn.andersson@linaro.org, broonie@kernel.org, robh@kernel.org References: <20210714153039.28373-1-srinivas.kandagatla@linaro.org> <20210714153039.28373-13-srinivas.kandagatla@linaro.org> From: Pierre-Louis Bossart Message-ID: <65c935b8-fb36-8da7-9a27-1ecd6559c41b@linux.intel.com> Date: Wed, 14 Jul 2021 12:09:16 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210714153039.28373-13-srinivas.kandagatla@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, bgoswami@codeaurora.org, tiwai@suse.de, plai@codeaurora.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.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" > +static int q6prm_send_cmd_sync(struct q6prm *prm, struct gpr_pkt *pkt, > + uint32_t rsp_opcode) > +{ > + gpr_device_t *gdev = prm->gdev; > + struct gpr_hdr *hdr = &pkt->hdr; > + int rc; > + > + mutex_lock(&prm->lock); > + prm->result.opcode = 0; > + prm->result.status = 0; > + > + rc = gpr_send_pkt(prm->gdev, pkt); > + if (rc < 0) > + goto err; > + > + if (rsp_opcode) > + rc = wait_event_timeout(prm->wait, > + (prm->result.opcode == hdr->opcode) || > + (prm->result.opcode == rsp_opcode), > + 5 * HZ); > + else > + rc = wait_event_timeout(prm->wait, > + (prm->result.opcode == hdr->opcode), > + 5 * HZ); > + > + if (!rc) { > + dev_err(&gdev->dev, "CMD timeout for [%x] opcode\n", > + hdr->opcode); > + rc = -ETIMEDOUT; > + } else if (prm->result.status > 0) { > + dev_err(&gdev->dev, "DSP returned error[%x] %x\n", hdr->opcode, > + prm->result.status); > + rc = -EINVAL; > + } else { > + dev_err(&gdev->dev, "DSP returned [%x]\n", > + prm->result.status); > + rc = 0; > + } > + > +err: > + mutex_unlock(&prm->lock); > + return rc; > +} In patch7 you had more or less the same code. can a helper be used? +int audioreach_graph_send_cmd_sync(struct q6apm_graph *graph, + struct gpr_pkt *pkt, uint32_t rsp_opcode) +{ + + struct device *dev = graph->dev; + struct gpr_hdr *hdr = &pkt->hdr; + int rc; + + mutex_lock(&graph->cmd_lock); + graph->result.opcode = 0; + graph->result.status = 0; + + rc = gpr_send_port_pkt(graph->port, pkt); + if (rc < 0) + goto err; + + if (rsp_opcode) + rc = wait_event_timeout(graph->cmd_wait, + (graph->result.opcode == hdr->opcode) || + (graph->result.opcode == rsp_opcode), + 5 * HZ); + else + rc = wait_event_timeout(graph->cmd_wait, + (graph->result.opcode == hdr->opcode), + 5 * HZ); + + if (!rc) { + dev_err(dev, "CMD timeout for [%x] opcode\n", hdr->opcode); + rc = -ETIMEDOUT; + } else if (graph->result.status > 0) { + dev_err(dev, "DSP returned error[%x] %x\n", hdr->opcode, + graph->result.status); + rc = -EINVAL; + } else { + dev_err(dev, "DSP returned [%x]\n", graph->result.status); + rc = 0; + } + +err: + mutex_unlock(&graph->cmd_lock); + return rc; +} +EXPORT_SYMBOL_GPL(audioreach_graph_send_cmd_sync); > +static int q6prm_set_hw_core_req(struct device *dev, uint32_t hw_block_id, bool enable) > +{ > + struct prm_cmd_request_hw_core *req; > + struct apm_module_param_data *param_data; > + struct gpr_pkt *pkt; > + struct q6prm *prm = dev_get_drvdata(dev); > + gpr_device_t *gdev = prm->gdev; > + void *p; > + int rc = 0; > + uint32_t opcode, rsp_opcode; > + > + if (enable) { > + opcode = PRM_CMD_REQUEST_HW_RSC; > + rsp_opcode = PRM_CMD_RSP_REQUEST_HW_RSC; > + } else { > + opcode = PRM_CMD_RELEASE_HW_RSC; > + rsp_opcode = PRM_CMD_RSP_RELEASE_HW_RSC; > + } > + > + p = audioreach_alloc_cmd_pkt(sizeof(*req), opcode, 0, gdev->svc.id, > + GPR_PRM_MODULE_IID); > + if (IS_ERR(p)) > + return -ENOMEM; > + > + pkt = p; > + req = p + GPR_HDR_SIZE + APM_CMD_HDR_SIZE; > + > + param_data = &req->param_data; > + > + param_data->module_instance_id = GPR_PRM_MODULE_IID; > + param_data->error_code = 0; > + param_data->param_id = PARAM_ID_RSC_HW_CORE; > + param_data->param_size = sizeof(*req) - APM_MODULE_PARAM_DATA_SIZE; > + > + req->hw_clk_id = hw_block_id; > + > + q6prm_send_cmd_sync(prm, pkt, rsp_opcode); > + > + kfree(pkt); > + > + return rc; rc is not assigned, should this not trap the result of sending a command? > +} > + > +static int q6prm_set_lpass_clock(struct device *dev, int clk_id, int clk_attr, > + int clk_root, unsigned int freq) > +{ > + struct prm_cmd_request_rsc *req; > + struct apm_module_param_data *param_data; > + struct gpr_pkt *pkt; > + struct q6prm *prm = dev_get_drvdata(dev); > + gpr_device_t *gdev = prm->gdev; > + void *p; > + int rc = 0; > + > + p = audioreach_alloc_cmd_pkt(sizeof(*req), PRM_CMD_REQUEST_HW_RSC, > + 0, gdev->svc.id, GPR_PRM_MODULE_IID); > + if (IS_ERR(p)) > + return -ENOMEM; > + > + pkt = p; > + req = p + GPR_HDR_SIZE + APM_CMD_HDR_SIZE; > + > + param_data = &req->param_data; > + > + param_data->module_instance_id = GPR_PRM_MODULE_IID; > + param_data->error_code = 0; > + param_data->param_id = PARAM_ID_RSC_AUDIO_HW_CLK; > + param_data->param_size = sizeof(*req) - APM_MODULE_PARAM_DATA_SIZE; > + > + req->num_clk_id = 1; > + req->clock_ids[0].clock_id = clk_id; > + req->clock_ids[0].clock_freq = freq; > + req->clock_ids[0].clock_attri = clk_attr; > + req->clock_ids[0].clock_root = clk_root; > + > + q6prm_send_cmd_sync(prm, pkt, PRM_CMD_RSP_REQUEST_HW_RSC); rc = q6prm_send_cmd_sync(prm, pkt, PRM_CMD_RSP_REQUEST_HW_RSC); ? > + > + kfree(pkt); > + > + return rc; > +} > +