IPC3 uses sof_ipc_pm_core_config message (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE) to enable/disable cores managed by the DSP. The core state is set via a single bitfield, if the bit is 1 the core should be on, if it is 0 then it is off. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx> Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> --- sound/soc/sof/ipc3.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/sound/soc/sof/ipc3.c b/sound/soc/sof/ipc3.c index dff5feaad370..ba81a6c490e9 100644 --- a/sound/soc/sof/ipc3.c +++ b/sound/soc/sof/ipc3.c @@ -1037,6 +1037,23 @@ static void sof_ipc3_rx_msg(struct snd_sof_dev *sdev) ipc3_log_header(sdev->dev, "ipc rx done", hdr.cmd); } +static int sof_ipc3_set_core_state(struct snd_sof_dev *sdev, int core_idx, bool on) +{ + struct sof_ipc_pm_core_config core_cfg = { + .hdr.size = sizeof(core_cfg), + .hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE, + }; + struct sof_ipc_reply reply; + + if (on) + core_cfg.enable_mask = sdev->enabled_cores_mask | BIT(core_idx); + else + core_cfg.enable_mask = sdev->enabled_cores_mask & ~BIT(core_idx); + + return sof_ipc3_tx_msg(sdev, &core_cfg, sizeof(core_cfg), + &reply, sizeof(reply), false); +} + static int sof_ipc3_ctx_ipc(struct snd_sof_dev *sdev, int cmd) { struct sof_ipc_pm_ctx pm_ctx = { @@ -1063,6 +1080,7 @@ static int sof_ipc3_ctx_restore(struct snd_sof_dev *sdev) static const struct sof_ipc_pm_ops ipc3_pm_ops = { .ctx_save = sof_ipc3_ctx_save, .ctx_restore = sof_ipc3_ctx_restore, + .set_core_state = sof_ipc3_set_core_state, }; const struct sof_ipc_ops ipc3_ops = { -- 2.36.1