#define EN_OERROR 0x8000 /* collision or output underrun */
#define EN_OPDONE 0x0080 /* previous operation completed */
#define EN_IEN 0x0040 /* enable interrupt when DONE */
#define EN_OERROR 0x8000 /* collision or output underrun */
#define EN_OPDONE 0x0080 /* previous operation completed */
#define EN_IEN 0x0040 /* enable interrupt when DONE */