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: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220311153544.136854-7-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/avs/messages.c b/sound/soc/intel/avs/messages.c
index 055ba74..3a6c2f9 100644 (file)
--- 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)
+{
+       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;
+}

diff --git a/sound/soc/intel/avs/messages.h b/sound/soc/intel/avs/messages.h
index 5e16aab..8f18eb7 100644 (file)
--- a/sound/soc/intel/avs/messages.h
+++ b/sound/soc/intel/avs/messages.h
@@ -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 */