On 14/07/2021 18:09, Pierre-Louis Bossart wrote:
+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?
Its possible, will abstract this out in audioreach.c.
+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?
My bad! will fix such instances.
--srini