From: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Add tx_msg(), rx_msg(), set_get_data() and get_reply() ops, which can
be used as a generic API for sending, receiving single messages and
to write and read large data.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Daniel Baluta <daniel.baluta@xxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
sound/soc/sof/sof-priv.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index f6ae28a21482..2bf7844f01d7 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -377,11 +377,32 @@ struct sof_ipc_pcm_ops;
* @tplg: Pointer to IPC-specific topology ops
* @pm: Pointer to PM ops
* @pcm: Pointer to PCM ops
+ *
+ * @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
+ * path to transfer individual chunks, or use other means to transfer
+ * the message.
+ * @get_reply: Function pointer for fetching the reply to
+ * sdev->ipc->msg.reply_data
+ * @rx_msg: Function pointer for handling a received message
+ *
+ * Note: both @tx_msg and @set_get_data considered as TX functions and they are
+ * serialized for the duration of the instructed transfer. A large message sent
+ * via @set_get_data is a single transfer even if at the hardware level it is
+ * handled with multiple chunks.
*/
struct sof_ipc_ops {
const struct sof_ipc_tplg_ops *tplg;
const struct sof_ipc_pm_ops *pm;
const struct sof_ipc_pcm_ops *pcm;
+
+ 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,
+ bool set);
+ int (*get_reply)(struct snd_sof_dev *sdev);
+ void (*rx_msg)(struct snd_sof_dev *sdev);
};
/* SOF generic IPC data */
--
2.25.1
