2 files changed, 56 insertions, 0 deletions

diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c
index 33860d2311c4..62e665a3b8f7 100644
--- a/sound/soc/intel/skylake/skl-sst-ipc.c
+++ b/sound/soc/intel/skylake/skl-sst-ipc.c
@@ -349,6 +349,8 @@ static void skl_ipc_process_reply(struct sst_generic_ipc *ipc,
         switch (reply) {
         case IPC_GLB_REPLY_SUCCESS:
                 dev_info(ipc->dev, "ipc FW reply %x: success\n", header.primary);
+                /* copy the rx data from the mailbox */
+                sst_dsp_inbox_read(ipc->dsp, msg->rx_data, msg->rx_size);
                 break;
 
         case IPC_GLB_REPLY_OUT_OF_MEMORY:
@@ -834,3 +836,54 @@ int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
         return ret;
 }
 EXPORT_SYMBOL_GPL(skl_ipc_set_large_config);
+
+int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
+                struct skl_ipc_large_config_msg *msg, u32 *param)
+{
+        struct skl_ipc_header header = {0};
+        u64 *ipc_header = (u64 *)(&header);
+        int ret = 0;
+        size_t sz_remaining, rx_size, data_offset;
+
+        header.primary = IPC_MSG_TARGET(IPC_MOD_MSG);
+        header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST);
+        header.primary |= IPC_GLB_TYPE(IPC_MOD_LARGE_CONFIG_GET);
+        header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id);
+        header.primary |= IPC_MOD_ID(msg->module_id);
+
+        header.extension = IPC_DATA_OFFSET_SZ(msg->param_data_size);
+        header.extension |= IPC_LARGE_PARAM_ID(msg->large_param_id);
+        header.extension |= IPC_FINAL_BLOCK(1);
+        header.extension |= IPC_INITIAL_BLOCK(1);
+
+        sz_remaining = msg->param_data_size;
+        data_offset = 0;
+
+        while (sz_remaining != 0) {
+                rx_size = sz_remaining > SKL_ADSP_W1_SZ
+                                ? SKL_ADSP_W1_SZ : sz_remaining;
+                if (rx_size == sz_remaining)
+                        header.extension |= IPC_FINAL_BLOCK(1);
+
+                ret = sst_ipc_tx_message_wait(ipc, *ipc_header, NULL, 0,
+                                              ((char *)param) + data_offset,
+                                              msg->param_data_size);
+                if (ret < 0) {
+                        dev_err(ipc->dev,
+                                "ipc: get large config fail, err: %d\n", ret);
+                        return ret;
+                }
+                sz_remaining -= rx_size;
+                data_offset = msg->param_data_size - sz_remaining;
+
+                /* clear the fields */
+                header.extension &= IPC_INITIAL_BLOCK_CLEAR;
+                header.extension &= IPC_DATA_OFFSET_SZ_CLEAR;
+                /* fill the fields */
+                header.extension |= IPC_INITIAL_BLOCK(1);
+                header.extension |= IPC_DATA_OFFSET_SZ(data_offset);
+        }
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(skl_ipc_get_large_config);
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.h b/sound/soc/intel/skylake/skl-sst-ipc.h
index e17012778560..1bbcdb471cf2 100644
--- a/sound/soc/intel/skylake/skl-sst-ipc.h
+++ b/sound/soc/intel/skylake/skl-sst-ipc.h
@@ -120,6 +120,9 @@ int skl_ipc_set_dx(struct sst_generic_ipc *ipc,
 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
                 struct skl_ipc_large_config_msg *msg, u32 *param);
 
+int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
+                struct skl_ipc_large_config_msg *msg, u32 *param);
+
 void skl_ipc_int_enable(struct sst_dsp *dsp);
 void skl_ipc_op_int_enable(struct sst_dsp *ctx);
 void skl_ipc_op_int_disable(struct sst_dsp *ctx);