[alsa-devel] [PATCH 13/26] ASoC: SOF: ipc: introduce message for DSP power gating

[Pierre-Louis Bossart]

From: Keyon Jie <yang.jie at linux.intel.com>

Add new ipc messages which will be sent from driver to FW, to ask FW to
enter specific power saving state.

Signed-off-by: Keyon Jie <yang.jie at linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 include/sound/sof/header.h | 1 +
 include/sound/sof/pm.h     | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/include/sound/sof/header.h b/include/sound/sof/header.h
index 332143ff7278..bf3edd9c08b4 100644
--- a/include/sound/sof/header.h
+++ b/include/sound/sof/header.h
@@ -75,6 +75,7 @@
 #define SOF_IPC_PM_CLK_GET			SOF_CMD_TYPE(0x005)
 #define SOF_IPC_PM_CLK_REQ			SOF_CMD_TYPE(0x006)
 #define SOF_IPC_PM_CORE_ENABLE			SOF_CMD_TYPE(0x007)
+#define SOF_IPC_PM_GATE				SOF_CMD_TYPE(0x008)
 
 /* component runtime config - multiple different types */
 #define SOF_IPC_COMP_SET_VALUE			SOF_CMD_TYPE(0x001)
diff --git a/include/sound/sof/pm.h b/include/sound/sof/pm.h
index 003879401d63..3cf2e0f39d94 100644
--- a/include/sound/sof/pm.h
+++ b/include/sound/sof/pm.h
@@ -45,4 +45,12 @@ struct sof_ipc_pm_core_config {
 	uint32_t enable_mask;
 } __packed;
 
+struct sof_ipc_pm_gate {
+	struct sof_ipc_cmd_hdr hdr;
+	uint32_t flags;	/* platform specific */
+
+	/* reserved for future use */
+	uint32_t reserved[5];
+} __packed;
+
 #endif
-- 
2.20.1