Unverified Commit b956b27b authored by Cezary Rojewski's avatar Cezary Rojewski Committed by Mark Brown
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ASoC: Intel: avs: Add pipeline management requests 



Pipeline represents a scheduling entity. Their existence as well as
their state machine is controlled through CREATE_PIPELINE,
DELETE_PIPELINE and SET_PIPELINE_STATE IPCs.

Signed-off-by: default avatarAmadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: default avatarCezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220311153544.136854-7-cezary.rojewski@intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent cb1eb6b5

sound/soc/intel/avs/messages.c

+76 −0
Original line number Diff line number Diff line
@@ -63,3 +63,79 @@ int avs_ipc_load_library(struct avs_dev *adev, u32 dma_id, u32 lib_id) 


	return ret;

}



int avs_ipc_create_pipeline(struct avs_dev *adev, u16 req_size, u8 priority,

			    u8 instance_id, bool lp, u16 attributes)

{

	union avs_global_msg msg = AVS_GLOBAL_REQUEST(CREATE_PIPELINE);

	struct avs_ipc_msg request = {{0}};

	int ret;



	msg.create_ppl.ppl_mem_size = req_size;

	msg.create_ppl.ppl_priority = priority;

	msg.create_ppl.instance_id = instance_id;

	msg.ext.create_ppl.lp = lp;

	msg.ext.create_ppl.attributes = attributes;

	request.header = msg.val;



	ret = avs_dsp_send_msg(adev, &request, NULL);

	if (ret)

		avs_ipc_err(adev, &request, "create pipeline", ret);



	return ret;

}



int avs_ipc_delete_pipeline(struct avs_dev *adev, u8 instance_id)

{

	union avs_global_msg msg = AVS_GLOBAL_REQUEST(DELETE_PIPELINE);

	struct avs_ipc_msg request = {{0}};

	int ret;



	msg.ppl.instance_id = instance_id;

	request.header = msg.val;



	ret = avs_dsp_send_msg(adev, &request, NULL);

	if (ret)

		avs_ipc_err(adev, &request, "delete pipeline", ret);



	return ret;

}



int avs_ipc_set_pipeline_state(struct avs_dev *adev, u8 instance_id,

			       enum avs_pipeline_state state)

{

	union avs_global_msg msg = AVS_GLOBAL_REQUEST(SET_PIPELINE_STATE);

	struct avs_ipc_msg request = {{0}};

	int ret;



	msg.set_ppl_state.ppl_id = instance_id;

	msg.set_ppl_state.state = state;

	request.header = msg.val;



	ret = avs_dsp_send_msg(adev, &request, NULL);

	if (ret)

		avs_ipc_err(adev, &request, "set pipeline state", ret);



	return ret;

}



int avs_ipc_get_pipeline_state(struct avs_dev *adev, u8 instance_id,

			       enum avs_pipeline_state *state)

{

	union avs_global_msg msg = AVS_GLOBAL_REQUEST(GET_PIPELINE_STATE);

	struct avs_ipc_msg request = {{0}};

	struct avs_ipc_msg reply = {{0}};

	int ret;



	msg.get_ppl_state.ppl_id = instance_id;

	request.header = msg.val;



	ret = avs_dsp_send_msg(adev, &request, &reply);

	if (ret) {

		avs_ipc_err(adev, &request, "get pipeline state", ret);

		return ret;

	}



	*state = reply.rsp.ext.get_ppl_state.state;

	return ret;

}

sound/soc/intel/avs/messages.h

+48 −0
Original line number Diff line number Diff line
@@ -26,6 +26,10 @@ enum avs_msg_direction { 
enum avs_global_msg_type {

	AVS_GLB_LOAD_MULTIPLE_MODULES = 15,

	AVS_GLB_UNLOAD_MULTIPLE_MODULES = 16,

	AVS_GLB_CREATE_PIPELINE = 17,

	AVS_GLB_DELETE_PIPELINE = 18,

	AVS_GLB_SET_PIPELINE_STATE = 19,

	AVS_GLB_GET_PIPELINE_STATE = 20,

	AVS_GLB_LOAD_LIBRARY = 24,

	AVS_GLB_NOTIFICATION = 27,

};
@@ -45,6 +49,23 @@ union avs_global_msg { 
			struct {

				u32 mod_cnt:8;

			} load_multi_mods;

			/* pipeline management */

			struct {

				u32 ppl_mem_size:11;

				u32 ppl_priority:5;

				u32 instance_id:8;

			} create_ppl;

			struct {

				u32 rsvd:16;

				u32 instance_id:8;

			} ppl; /* generic ppl request */

			struct {

				u32 state:16;

				u32 ppl_id:8;

			} set_ppl_state;

			struct {

				u32 ppl_id:8;

			} get_ppl_state;

			/* library loading */

			struct {

				u32 dma_id:5;
@@ -54,6 +75,12 @@ union avs_global_msg { 
		};

		union {

			u32 val;

			/* pipeline management */

			struct {

				u32 lp:1; /* low power flag */

				u32 rsvd:3;

				u32 attributes:16; /* additional scheduling flags */

			} create_ppl;

		} ext;

	};

} __packed;
@@ -101,6 +128,10 @@ union avs_reply_msg { 
			struct {

				u32 err_mod_id:16;

			} load_multi_mods;

			/* pipeline management */

			struct {

				u32 state:5;

			} get_ppl_state;

		} ext;

	};

} __packed;
@@ -189,4 +220,21 @@ int avs_ipc_load_modules(struct avs_dev *adev, u16 *mod_ids, u32 num_mod_ids); 
int avs_ipc_unload_modules(struct avs_dev *adev, u16 *mod_ids, u32 num_mod_ids);

int avs_ipc_load_library(struct avs_dev *adev, u32 dma_id, u32 lib_id);



/* Pipeline management messages */

enum avs_pipeline_state {

	AVS_PPL_STATE_INVALID,

	AVS_PPL_STATE_UNINITIALIZED,

	AVS_PPL_STATE_RESET,

	AVS_PPL_STATE_PAUSED,

	AVS_PPL_STATE_RUNNING,

};



int avs_ipc_create_pipeline(struct avs_dev *adev, u16 req_size, u8 priority,

			    u8 instance_id, bool lp, u16 attributes);

int avs_ipc_delete_pipeline(struct avs_dev *adev, u8 instance_id);

int avs_ipc_set_pipeline_state(struct avs_dev *adev, u8 instance_id,

			       enum avs_pipeline_state state);

int avs_ipc_get_pipeline_state(struct avs_dev *adev, u8 instance_id,

			       enum avs_pipeline_state *state);



#endif /* __SOUND_SOC_INTEL_AVS_MSGS_H */