MATH_SRC0_SHIFT
#define MATH_SRC0_MASK (0x0f << MATH_SRC0_SHIFT)
#define MATH_SRC0_REG0 (0x00 << MATH_SRC0_SHIFT)
#define MATH_SRC0_REG1 (0x01 << MATH_SRC0_SHIFT)
#define MATH_SRC0_REG2 (0x02 << MATH_SRC0_SHIFT)
#define MATH_SRC0_REG3 (0x03 << MATH_SRC0_SHIFT)
#define MATH_SRC0_IMM (0x04 << MATH_SRC0_SHIFT)
#define MATH_SRC0_DPOVRD (0x07 << MATH_SRC0_SHIFT)
#define MATH_SRC0_SEQINLEN (0x08 << MATH_SRC0_SHIFT)
#define MATH_SRC0_SEQOUTLEN (0x09 << MATH_SRC0_SHIFT)
#define MATH_SRC0_VARSEQINLEN (0x0a << MATH_SRC0_SHIFT)
#define MATH_SRC0_VARSEQOUTLEN (0x0b << MATH_SRC0_SHIFT)
#define MATH_SRC0_ZERO (0x0c << MATH_SRC0_SHIFT)