From: Mousami Jana mousami.janax@intel.com
For messages which need larger payload than mailbox data, we need to send a series of messages splitting the payload using LARGE_CONFIG_GET IPC. This adds support for using LARGE_CONFIG_GET to retrieve the large payload
Signed-off-by: Mousami Jana mousami.janax@intel.com Signed-off-by: Vinod Koul vinod.koul@intel.com --- sound/soc/intel/skylake/skl-sst-ipc.c | 53 +++++++++++++++++++++++++++++++++++ sound/soc/intel/skylake/skl-sst-ipc.h | 3 ++ 2 files changed, 56 insertions(+)
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c index d99ec9a2f397..4fcf6c1cc543 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: @@ -828,3 +830,54 @@ 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);