Unverified Commit 25e77672 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Mark Brown
Browse files

ASoC: SOF: Add high level IPC IO callback definitions to ipc_ops 



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: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: default avatarDaniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220405172708.122168-3-ranjani.sridharan@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b4dcafe4

sound/soc/sof/sof-priv.h

+21 −0
Original line number Diff line number Diff line
@@ -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 */