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authorMark Brown <broonie@kernel.org>2022-06-10 20:28:20 +0300
committerMark Brown <broonie@kernel.org>2022-06-10 20:28:20 +0300
commit55e1c007e1bd3b30efac683f6d7eba6d4a13928d (patch)
treec88329ded80fb262cbb7678b43e0d0bb08638619 /include/sound
parent25ebeeebcb5493b42b6d43e4f4c49823782b83af (diff)
parent63b9069653a710b08d5fd174ac05d43711356541 (diff)
downloadlinux-55e1c007e1bd3b30efac683f6d7eba6d4a13928d.tar.xz
ASoC: SOF: Add support ctx_save with IPC4
Merge series from Peter Ujfalusi <peter.ujfalusi@linux.intel.com>: The context save functionality with IPC4 is triggered by sending a message to the firmware about the pending power down of the primary core by the host. In order to have this functionality implemented in a clean way we need to introduce a new IPC level PM ops for core state management and use that instead of open coding IPC messages here and there. The first patch updates the ctx store/ctx_restore documentation to clarify that they are optional.
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/sof/ipc4/header.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/sound/sof/ipc4/header.h b/include/sound/sof/ipc4/header.h
index b8b8e5b5e3e1..a795deacc2ea 100644
--- a/include/sound/sof/ipc4/header.h
+++ b/include/sound/sof/ipc4/header.h
@@ -385,6 +385,14 @@ struct sof_ipc4_fw_version {
uint16_t build;
} __packed;
+/* Payload data for SOF_IPC4_MOD_SET_DX */
+struct sof_ipc4_dx_state_info {
+ /* core(s) to apply the change */
+ uint32_t core_mask;
+ /* core state: 0: put core_id to D3; 1: put core_id to D0 */
+ uint32_t dx_mask;
+} __packed __aligned(4);
+
/* Reply messages */
/*