-void hsmci_setBlkSize(size_t blk_size);
-bool hsmci_read(uint32_t *buf, size_t word_num);
+void hsmci_prgRxDMA(uint32_t *buf, size_t word_num, size_t blk_size);
+void hsmci_prgTxDMA(uint32_t *buf, size_t word_num, size_t blk_size);
+void hsmci_waitTransfer(void);
+
+void hsmci_setSpeed(uint32_t data_rate, int flag);
+