ASoC: Intel: add function to set parameter to sound effect module waves
Add function to set parameters to module waves. The parameters can be set
only when module is enabled, and parameter size is limited to 500 Bytes.
Signed-off-by: Lu, Han <han.lu@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c
index ebca903..a97324d 100644
--- a/sound/soc/intel/sst-haswell-ipc.c
+++ b/sound/soc/intel/sst-haswell-ipc.c
@@ -2166,6 +2166,65 @@
return ret;
}
+int sst_hsw_module_set_param(struct sst_hsw *hsw,
+ u32 module_id, u32 instance_id, u32 parameter_id,
+ u32 param_size, char *param)
+{
+ int ret;
+ unsigned char *data = NULL;
+ u32 header = 0;
+ u32 payload_size = 0, transfer_parameter_size = 0;
+ dma_addr_t dma_addr = 0;
+ struct sst_hsw_transfer_parameter *parameter;
+ struct device *dev = hsw->dev;
+
+ header = IPC_GLB_TYPE(IPC_GLB_MODULE_OPERATION) |
+ IPC_MODULE_OPERATION(IPC_MODULE_SET_PARAMETER) |
+ IPC_MODULE_ID(module_id);
+ dev_dbg(dev, "sst_hsw_module_set_param header=%x\n", header);
+
+ payload_size = param_size +
+ sizeof(struct sst_hsw_transfer_parameter) -
+ sizeof(struct sst_hsw_transfer_list);
+ dev_dbg(dev, "parameter size : %d\n", param_size);
+ dev_dbg(dev, "payload size : %d\n", payload_size);
+
+ if (payload_size <= SST_HSW_IPC_MAX_SHORT_PARAMETER_SIZE) {
+ /* short parameter, mailbox can contain data */
+ dev_dbg(dev, "transfer parameter size : %d\n",
+ transfer_parameter_size);
+
+ transfer_parameter_size = ALIGN(payload_size, 4);
+ dev_dbg(dev, "transfer parameter aligned size : %d\n",
+ transfer_parameter_size);
+
+ parameter = kzalloc(transfer_parameter_size, GFP_KERNEL);
+ if (parameter == NULL)
+ return -ENOMEM;
+
+ memcpy(parameter->data, param, param_size);
+ } else {
+ dev_warn(dev, "transfer parameter size too large!");
+ return 0;
+ }
+
+ parameter->parameter_id = parameter_id;
+ parameter->data_size = param_size;
+
+ ret = ipc_tx_message_wait(hsw, header,
+ parameter, transfer_parameter_size , NULL, 0);
+ if (ret < 0)
+ dev_err(dev, "ipc: module set parameter failed - %d\n", ret);
+
+ kfree(parameter);
+
+ if (data)
+ dma_free_coherent(hsw->dsp->dma_dev,
+ param_size, (void *)data, dma_addr);
+
+ return ret;
+}
+
static struct sst_dsp_device hsw_dev = {
.thread = hsw_irq_thread,
.ops = &haswell_ops,