Driver requests this property to discover underlying HW configuration. Internally hw config is split between core config followed by capabilities e.g.: i2s, gpdma.
Most params are currently unused. In time driver dependency on hw config will increase, and with it, more parsing will be unveiled.
Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com --- sound/soc/intel/skylake/skl-messages.c | 1 + sound/soc/intel/skylake/skl-sst-ipc.c | 87 ++++++++++++++++++++++++++ sound/soc/intel/skylake/skl-sst-ipc.h | 46 ++++++++++++++ sound/soc/intel/skylake/skl.h | 1 + 4 files changed, 135 insertions(+)
diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c index b6cefb1f9b12..d28b4887de27 100644 --- a/sound/soc/intel/skylake/skl-messages.c +++ b/sound/soc/intel/skylake/skl-messages.c @@ -320,6 +320,7 @@ int skl_free_dsp(struct skl_dev *skl)
skl->dsp_ops->cleanup(bus->dev, skl);
+ kfree(skl->hw_cfg.i2s_caps.ctrl_base_addr); kfree(skl->cores.state); kfree(skl->cores.usage_count);
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c index e9e11ec4c97b..91b5440c643d 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.c +++ b/sound/soc/intel/skylake/skl-sst-ipc.c @@ -1189,3 +1189,90 @@ int skl_ipc_fw_cfg_get(struct sst_generic_ipc *ipc, struct skl_fw_cfg *cfg) return ret; } EXPORT_SYMBOL_GPL(skl_ipc_fw_cfg_get); + +int skl_ipc_hw_cfg_get(struct sst_generic_ipc *ipc, struct skl_hw_cfg *cfg) +{ + struct skl_ipc_large_config_msg msg = {0}; + struct skl_tlv *tlv; + size_t size, bytes = 0, offset = 0; + u8 *payload = NULL; + int ret; + + msg.module_id = 0; + msg.instance_id = 0; + msg.large_param_id = SKL_BASEFW_HARDWARE_CONFIG; + + ret = skl_ipc_get_large_config(ipc, &msg, (u32 **)&payload, &bytes); + if (ret) + goto exit; + + while (offset < bytes) { + tlv = (struct skl_tlv *)(payload + offset); + + switch (tlv->type) { + case SKL_HW_CFG_CAVS_VER: + cfg->cavs_version = *tlv->value; + break; + + case SKL_HW_CFG_DSP_CORES: + cfg->dsp_cores = *tlv->value; + break; + + case SKL_HW_CFG_MEM_PAGE_BYTES: + cfg->mem_page_bytes = *tlv->value; + break; + + case SKL_HW_CFG_TOTAL_PHYS_MEM_PAGES: + cfg->total_phys_mem_pages = *tlv->value; + break; + + case SKL_HW_CFG_I2S_CAPS: + cfg->i2s_caps.version = tlv->value[0]; + size = tlv->value[1]; + cfg->i2s_caps.ctrl_count = size; + if (!size) + break; + + size *= sizeof(*cfg->i2s_caps.ctrl_base_addr); + cfg->i2s_caps.ctrl_base_addr = + kmemdup(&tlv->value[2], size, GFP_KERNEL); + if (!cfg->i2s_caps.ctrl_base_addr) { + ret = -ENOMEM; + goto exit; + } + break; + + case SKL_HW_CFG_GATEWAY_COUNT: + cfg->gateway_count = *tlv->value; + break; + + case SKL_HW_CFG_HP_EBB_COUNT: + cfg->hp_ebb_count = *tlv->value; + break; + + case SKL_HW_CFG_LP_EBB_COUNT: + cfg->lp_ebb_count = *tlv->value; + break; + + case SKL_HW_CFG_EBB_SIZE_BYTES: + cfg->ebb_size_bytes = *tlv->value; + break; + + case SKL_HW_CFG_GPDMA_CAPS: + case SKL_HW_CFG_UAOL_CAPS: + break; + + default: + dev_info(ipc->dev, "Unrecognized hw param: %d\n", + tlv->type); + break; + } + + offset += sizeof(*tlv) + tlv->length; + } + +exit: + kfree(payload); + return ret; +} +EXPORT_SYMBOL_GPL(skl_ipc_hw_cfg_get); diff --git a/sound/soc/intel/skylake/skl-sst-ipc.h b/sound/soc/intel/skylake/skl-sst-ipc.h index ebc5852e15d0..eefa52f7f97a 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.h +++ b/sound/soc/intel/skylake/skl-sst-ipc.h @@ -77,6 +77,7 @@ enum skl_basefw_runtime_param { SKL_BASEFW_ASTATE_TABLE = 4, SKL_BASEFW_DMA_CONTROL = 5, SKL_BASEFW_FIRMWARE_CONFIG = 7, + SKL_BASEFW_HARDWARE_CONFIG = 8, };
enum skl_fw_cfg_params { @@ -141,6 +142,50 @@ struct skl_fw_cfg { u32 power_gating_policy; };
+enum skl_hw_cfg_params { + SKL_HW_CFG_CAVS_VER, + SKL_HW_CFG_DSP_CORES, + SKL_HW_CFG_MEM_PAGE_BYTES, + SKL_HW_CFG_TOTAL_PHYS_MEM_PAGES, + SKL_HW_CFG_I2S_CAPS, + SKL_HW_CFG_GPDMA_CAPS, + SKL_HW_CFG_GATEWAY_COUNT, + SKL_HW_CFG_HP_EBB_COUNT, + SKL_HW_CFG_LP_EBB_COUNT, + SKL_HW_CFG_EBB_SIZE_BYTES, + SKL_HW_CFG_UAOL_CAPS +}; + +enum skl_cavs_version { + SKL_CAVS_VER_1_5 = 0x10005, + SKL_CAVS_VER_1_8 = 0x10008, +}; + +enum skl_i2s_version { + SKL_I2S_VER_15_SKYLAKE = 0x00000, + SKL_I2S_VER_15_BROXTON = 0x10000, + SKL_I2S_VER_15_BROXTON_P = 0x20000, + SKL_I2S_VER_18_KBL_CNL = 0x30000, +}; + +struct skl_i2s_caps { + enum skl_i2s_version version; + u32 ctrl_count; + u32 *ctrl_base_addr; +}; + +struct skl_hw_cfg { + enum skl_cavs_version cavs_version; + u32 dsp_cores; + u32 mem_page_bytes; + u32 total_phys_mem_pages; + struct skl_i2s_caps i2s_caps; + u32 gateway_count; + u32 hp_ebb_count; + u32 lp_ebb_count; + u32 ebb_size_bytes; +}; + struct skl_ipc_init_instance_msg { u32 module_id; u32 instance_id; @@ -242,5 +287,6 @@ void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data, size_t tx_size);
int skl_ipc_fw_cfg_get(struct sst_generic_ipc *ipc, struct skl_fw_cfg *cfg); +int skl_ipc_hw_cfg_get(struct sst_generic_ipc *ipc, struct skl_hw_cfg *cfg);
#endif /* __SKL_IPC_H */ diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h index 0d1c820e11cd..972de5ddf2b7 100644 --- a/sound/soc/intel/skylake/skl.h +++ b/sound/soc/intel/skylake/skl.h @@ -111,6 +111,7 @@ struct skl_dev { /* Populate module information */ struct list_head uuid_list; struct skl_fw_cfg fw_cfg; + struct skl_hw_cfg hw_cfg;
/* Is firmware loaded */ bool fw_loaded;