ASoC: SOF: loader: Add support for IPC dependent post firmware boot ops

Add support for executing IPC dependent tasks after a successful firmware
boot.

The new post_fw_boot ops can make the fw_loader query_fw_configuration
callback redundant as IPC code can handle the first boot internally.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Chao Song <chao.song@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20221020121238.18339-17-peter.ujfalusi@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/loader.c

@@ -174,6 +174,12 @@ int snd_sof_run_firmware(struct snd_sof_dev *sdev)
 		return ret;
 	}
 
+	if (sdev->ipc->ops->post_fw_boot) {
+		ret = sdev->ipc->ops->post_fw_boot(sdev);
+		if (ret)
+			return ret;
+	}
+
 	if (sdev->first_boot && sdev->ipc->ops->fw_loader->query_fw_configuration)
 		return sdev->ipc->ops->fw_loader->query_fw_configuration(sdev);
 

sound/soc/sof/sof-priv.h

@@ -445,6 +445,8 @@ struct sof_ipc_pcm_ops;
  *
  * @init:	Optional pointer for IPC related initialization
  * @exit:	Optional pointer for IPC related cleanup
+ * @post_fw_boot: Optional pointer to execute IPC related tasks after firmware
+ *		boot.
  *
  * @tx_msg:	Function pointer for sending a 'short' IPC message
  * @set_get_data: Function pointer for set/get data ('large' IPC message). This
@@ -469,6 +471,7 @@ struct sof_ipc_ops {
 
 	int (*init)(struct snd_sof_dev *sdev);
 	void (*exit)(struct snd_sof_dev *sdev);
+	int (*post_fw_boot)(struct snd_sof_dev *sdev);
 
 	int (*tx_msg)(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes,
 		      void *reply_data, size_t reply_bytes, bool no_pm);