ASoC: SOF: ipc: introduce message for DSP power gating

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@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191025224122.7718-14-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/include/sound/sof/header.h b/include/sound/sof/header.h
index 332143f..bf3edd9 100644 (file)
--- 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 0038794..3cf2e0f 100644 (file)
--- 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