Audio DSP supports low power states i.e.: transitions between D0 and D3 and D0-substates in form of D0i3. That process is a combination of core and IPC operations. Here, Dx and D0ix IPC handlers are added.
Signed-off-by: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com --- sound/soc/intel/avs/messages.c | 43 ++++++++++++++++++++++++++++++++++ sound/soc/intel/avs/messages.h | 16 +++++++++++++ 2 files changed, 59 insertions(+)
diff --git a/sound/soc/intel/avs/messages.c b/sound/soc/intel/avs/messages.c index e870d5792a77..1b589689410f 100644 --- a/sound/soc/intel/avs/messages.c +++ b/sound/soc/intel/avs/messages.c @@ -347,3 +347,46 @@ int avs_ipc_get_large_config(struct avs_dev *adev, u16 module_id, u8 instance_id
return 0; } + +int avs_ipc_set_dx(struct avs_dev *adev, u32 core_mask, bool powerup) +{ + union avs_module_msg msg = AVS_MODULE_REQUEST(SET_DX); + struct avs_ipc_msg request; + struct avs_dxstate_info dx; + int ret; + + dx.core_mask = core_mask; + dx.dx_mask = powerup ? core_mask : 0; + request.header = msg.val; + request.data = &dx; + request.size = sizeof(dx); + + /* + * SET_D0 is sent for non-main cores only while SET_D3 is used to + * suspend for all of them. Both cases prevent any D0I3 transitions. + */ + ret = avs_dsp_send_pm_msg(adev, &request, NULL, true); + if (ret) + avs_ipc_err(adev, &request, "set dx", ret); + + return ret; +} + +int avs_ipc_set_d0ix(struct avs_dev *adev, bool enable_pg, bool streaming) +{ + union avs_module_msg msg = AVS_MODULE_REQUEST(SET_D0IX); + struct avs_ipc_msg request = {0}; + int ret; + + /* Wake & streaming for < cAVS 2.0 */ + msg.ext.set_d0ix.wake = enable_pg; + msg.ext.set_d0ix.streaming = streaming; + + request.header = msg.val; + + ret = avs_dsp_send_pm_msg(adev, &request, NULL, false); + if (ret) + avs_ipc_err(adev, &request, "set d0ix", ret); + + return ret; +} diff --git a/sound/soc/intel/avs/messages.h b/sound/soc/intel/avs/messages.h index 1dabd1005327..bbdba4631b1f 100644 --- a/sound/soc/intel/avs/messages.h +++ b/sound/soc/intel/avs/messages.h @@ -101,6 +101,8 @@ enum avs_module_msg_type { AVS_MOD_LARGE_CONFIG_SET = 4, AVS_MOD_BIND = 5, AVS_MOD_UNBIND = 6, + AVS_MOD_SET_DX = 7, + AVS_MOD_SET_D0IX = 8, AVS_MOD_DELETE_INSTANCE = 11, };
@@ -137,6 +139,11 @@ union avs_module_msg { u32 dst_queue:3; u32 src_queue:3; } bind_unbind; + struct { + /* cAVS < 2.0 */ + u32 wake:1; + u32 streaming:1; + } set_d0ix; } ext; }; } __packed; @@ -298,4 +305,13 @@ int avs_ipc_get_large_config(struct avs_dev *adev, u16 module_id, u8 instance_id u8 param_id, u8 *request_data, size_t request_size, u8 **reply_data, size_t *reply_size);
+/* DSP cores and domains power management messages */ +struct avs_dxstate_info { + u32 core_mask; + u32 dx_mask; +} __packed; + +int avs_ipc_set_dx(struct avs_dev *adev, u32 core_mask, bool powerup); +int avs_ipc_set_d0ix(struct avs_dev *adev, bool enable_pg, bool streaming); + #endif /* __SOUND_SOC_INTEL_AVS_MSGS_H */