diff options
Diffstat (limited to 'sound/soc/intel/skylake/skl-sst-ipc.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl-sst-ipc.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c index 797cf4053235..087b8d6e7186 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.c +++ b/sound/soc/intel/skylake/skl-sst-ipc.c @@ -172,6 +172,17 @@ << IPC_INITIAL_BLOCK_SHIFT) #define IPC_INITIAL_BLOCK_CLEAR ~(IPC_INITIAL_BLOCK_MASK \ << IPC_INITIAL_BLOCK_SHIFT) +/* Set D0ix IPC extension register */ +#define IPC_D0IX_WAKE_SHIFT 0 +#define IPC_D0IX_WAKE_MASK 0x1 +#define IPC_D0IX_WAKE(x) (((x) & IPC_D0IX_WAKE_MASK) \ + << IPC_D0IX_WAKE_SHIFT) + +#define IPC_D0IX_STREAMING_SHIFT 1 +#define IPC_D0IX_STREAMING_MASK 0x1 +#define IPC_D0IX_STREAMING(x) (((x) & IPC_D0IX_STREAMING_MASK) \ + << IPC_D0IX_STREAMING_SHIFT) + enum skl_ipc_msg_target { IPC_FW_GEN_MSG = 0, @@ -258,7 +269,8 @@ enum skl_ipc_module_msg { IPC_MOD_LARGE_CONFIG_SET = 4, IPC_MOD_BIND = 5, IPC_MOD_UNBIND = 6, - IPC_MOD_SET_DX = 7 + IPC_MOD_SET_DX = 7, + IPC_MOD_SET_D0IX = 8 }; static void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data, @@ -931,3 +943,32 @@ int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc, return ret; } EXPORT_SYMBOL_GPL(skl_sst_ipc_load_library); + +int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc, struct skl_ipc_d0ix_msg *msg) +{ + struct skl_ipc_header header = {0}; + u64 *ipc_header = (u64 *)(&header); + int ret; + + header.primary = IPC_MSG_TARGET(IPC_MOD_MSG); + header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST); + header.primary |= IPC_GLB_TYPE(IPC_MOD_SET_D0IX); + header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id); + header.primary |= IPC_MOD_ID(msg->module_id); + + header.extension = IPC_D0IX_WAKE(msg->wake); + header.extension |= IPC_D0IX_STREAMING(msg->streaming); + + dev_dbg(ipc->dev, "In %s primary=%x ext=%x\n", __func__, + header.primary, header.extension); + + /* + * Use the nopm IPC here as we dont want it checking for D0iX + */ + ret = sst_ipc_tx_message_nopm(ipc, *ipc_header, NULL, 0, NULL, 0); + if (ret < 0) + dev_err(ipc->dev, "ipc: set d0ix failed, err %d\n", ret); + + return ret; +} +EXPORT_SYMBOL_GPL(skl_ipc_set_d0ix); |