On Fri, 2022-03-04 at 15:57 +0100, Cezary Rojewski wrote:
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: Amadeusz Sławiński < amadeuszx.slawinski@linux.intel.com> Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com
sound/soc/intel/avs/messages.c | 76 ++++++++++++++++++++++++++++++++++ sound/soc/intel/avs/messages.h | 48 +++++++++++++++++++++ 2 files changed, 124 insertions(+)
diff --git a/sound/soc/intel/avs/messages.c b/sound/soc/intel/avs/messages.c index d568338b0737..de2d50f8c6b4 100644 --- a/sound/soc/intel/avs/messages.c +++ b/sound/soc/intel/avs/messages.c @@ -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)
Can the pipeline state in the firmware change without the driver's knowledge? When should the driver use this get_pipeline_state()?
Thanks,Ranjani