diff options
Diffstat (limited to 'sound/soc/intel/skylake/skl-sst-ipc.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl-sst-ipc.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c index 95679c02c6ee..33860d2311c4 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.c +++ b/sound/soc/intel/skylake/skl-sst-ipc.c @@ -130,6 +130,11 @@ #define IPC_SRC_QUEUE_MASK 0x7 #define IPC_SRC_QUEUE(x) (((x) & IPC_SRC_QUEUE_MASK) \ << IPC_SRC_QUEUE_SHIFT) +/* Load Module count */ +#define IPC_LOAD_MODULE_SHIFT 0 +#define IPC_LOAD_MODULE_MASK 0xFF +#define IPC_LOAD_MODULE_CNT(x) (((x) & IPC_LOAD_MODULE_MASK) \ + << IPC_LOAD_MODULE_SHIFT) /* Save pipeline messgae extension register */ #define IPC_DMA_ID_SHIFT 0 @@ -728,6 +733,54 @@ int skl_ipc_bind_unbind(struct sst_generic_ipc *ipc, } EXPORT_SYMBOL_GPL(skl_ipc_bind_unbind); +/* + * In order to load a module we need to send IPC to initiate that. DMA will + * performed to load the module memory. The FW supports multiple module load + * at single shot, so we can send IPC with N modules represented by + * module_cnt + */ +int skl_ipc_load_modules(struct sst_generic_ipc *ipc, + u8 module_cnt, void *data) +{ + struct skl_ipc_header header = {0}; + u64 *ipc_header = (u64 *)(&header); + int ret; + + header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG); + header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST); + header.primary |= IPC_GLB_TYPE(IPC_GLB_LOAD_MULTIPLE_MODS); + header.primary |= IPC_LOAD_MODULE_CNT(module_cnt); + + ret = sst_ipc_tx_message_wait(ipc, *ipc_header, data, + (sizeof(u16) * module_cnt), NULL, 0); + if (ret < 0) + dev_err(ipc->dev, "ipc: load modules failed :%d\n", ret); + + return ret; +} +EXPORT_SYMBOL_GPL(skl_ipc_load_modules); + +int skl_ipc_unload_modules(struct sst_generic_ipc *ipc, u8 module_cnt, + void *data) +{ + struct skl_ipc_header header = {0}; + u64 *ipc_header = (u64 *)(&header); + int ret; + + header.primary = IPC_MSG_TARGET(IPC_FW_GEN_MSG); + header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST); + header.primary |= IPC_GLB_TYPE(IPC_GLB_UNLOAD_MULTIPLE_MODS); + header.primary |= IPC_LOAD_MODULE_CNT(module_cnt); + + ret = sst_ipc_tx_message_wait(ipc, *ipc_header, data, + (sizeof(u16) * module_cnt), NULL, 0); + if (ret < 0) + dev_err(ipc->dev, "ipc: unload modules failed :%d\n", ret); + + return ret; +} +EXPORT_SYMBOL_GPL(skl_ipc_unload_modules); + int skl_ipc_set_large_config(struct sst_generic_ipc *ipc, struct skl_ipc_large_config_msg *msg, u32 *param) { |