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| author | Peter Ujfalusi <peter.ujfalusi@linux.intel.com> | 2022-06-10 10:35:46 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-06-10 14:31:40 +0200 |
| commit | 0a047dafefafbccc931fab2d187ce75c302088d5 (patch) | |
| tree | 85336d0f5cbef3023bbd1ea283bbc2aa015def58 /sound/soc/sof/ipc3.c | |
| parent | ASoC: SOF: sof_ipc_pm_ops: Add support for DSP core power management (diff) | |
| download | linux-0a047dafefafbccc931fab2d187ce75c302088d5.tar.xz linux-0a047dafefafbccc931fab2d187ce75c302088d5.zip | |
ASoC: SOF: ipc3: Add set_core_state pm_ops implementation
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@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220610083549.16773-4-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/ipc3.c')
| -rw-r--r-- | sound/soc/sof/ipc3.c | 18 |
1 files changed, 18 insertions, 0 deletions
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 = { |