From: Peter Ujfalusi peter.ujfalusi@linux.intel.com
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@linux.intel.com Reviewed-by: Daniel Baluta daniel.baluta@nxp.com Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com Signed-off-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com --- 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 */