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ASoC: Intel: avs: Add power management requests

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Audio DSP supports low power states i.e.: transitions between D0 and D3
and D0-substates in form of D0i0 and 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>
Link: https://lore.kernel.org/r/20220311153544.136854-9-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cezary Rojewski 2022-03-11 16:35:35 +01:00 committed by Mark Brown
parent f14a1c5a9f
commit 469e87ca9a
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GPG Key ID: 24D68B725D5487D0
2 changed files with 59 additions and 0 deletions
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44
sound/soc/intel/avs/messages.c
View File

@ -400,3 +400,47 @@ 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);
ret = avs_dsp_send_msg(adev, &request, NULL);
if (ret)
avs_ipc_err(adev, &request, "set dx", ret);
return ret;
}
/*
* avs_ipc_set_d0ix - Set power gating policy (entering D0IX substates)
*
* @enable_pg: Whether to enable or disable power gating
* @streaming: Whether a stream is running when transitioning
*/
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;
msg.ext.set_d0ix.wake = enable_pg;
msg.ext.set_d0ix.streaming = streaming;
request.header = msg.val;
ret = avs_dsp_send_msg(adev, &request, NULL);
if (ret)
avs_ipc_err(adev, &request, "set d0ix", ret);
return ret;
}

15
sound/soc/intel/avs/messages.h
View File

@ -97,6 +97,8 @@ 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,
};
@ -133,6 +135,10 @@ union avs_module_msg {
u32 dst_queue:3;
u32 src_queue:3;
} bind_unbind;
struct {
u32 wake:1;
u32 streaming:1;
} set_d0ix;
} ext;
};
} __packed;
@ -289,4 +295,13 @@ 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; /* which cores are subject for power transition */
u32 dx_mask; /* bit[n]=1 core n goes to D0, bit[n]=0 it goes to D3 */
} __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 */