Add support for IPC specific initialization (init) and cleanup (exit)
callback.
These callbacks can be used by IPC implementation to do basic
initialization and cleanup.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Chao Song <chao.song@xxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
---
sound/soc/sof/ipc.c | 6 ++++++
sound/soc/sof/sof-priv.h | 6 ++++++
2 files changed, 12 insertions(+)
diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c
index 6ed3f9b6a0c4..30781e808a02 100644
--- a/sound/soc/sof/ipc.c
+++ b/sound/soc/sof/ipc.c
@@ -200,6 +200,9 @@ struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev)
return NULL;
}
+ if (ops->init && ops->init(sdev))
+ return NULL;
+
ipc->ops = ops;
return ipc;
@@ -217,5 +220,8 @@ void snd_sof_ipc_free(struct snd_sof_dev *sdev)
mutex_lock(&ipc->tx_mutex);
ipc->disable_ipc_tx = true;
mutex_unlock(&ipc->tx_mutex);
+
+ if (ipc->ops->exit)
+ ipc->ops->exit(sdev);
}
EXPORT_SYMBOL(snd_sof_ipc_free);
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 3d70b57e4864..ea6013ab1d4a 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -443,6 +443,9 @@ struct sof_ipc_pcm_ops;
* @fw_loader: Pointer to Firmware Loader ops
* @fw_tracing: Pointer to Firmware tracing ops
*
+ * @init: Optional pointer for IPC related initialization
+ * @exit: Optional pointer for IPC related cleanup
+ *
* @tx_msg: Function pointer for sending a 'short' IPC message
* @set_get_data: Function pointer for set/get data ('large' IPC message). This
* function may split up the 'large' message and use the @tx_msg
@@ -464,6 +467,9 @@ struct sof_ipc_ops {
const struct sof_ipc_fw_loader_ops *fw_loader;
const struct sof_ipc_fw_tracing_ops *fw_tracing;
+ int (*init)(struct snd_sof_dev *sdev);
+ void (*exit)(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);
int (*set_get_data)(struct snd_sof_dev *sdev, void *data, size_t data_bytes,
--
2.38.1
