/* register 1 */
#define CS4398_REV_MASK 0x07
#define CS4398_PART_MASK 0xf8
#define CS4398_PART_CS4398 0x70
/* register 2 */
#define CS4398_FM_MASK 0x03
#define CS4398_FM_SINGLE 0x00
#define CS4398_FM_DOUBLE 0x01
#define CS4398_FM_QUAD 0x02
#define CS4398_FM_DSD 0x03
#define CS4398_DEM_MASK 0x0c
#define CS4398_DEM_NONE 0x00
#define CS4398_DEM_44100 0x04
#define CS4398_DEM_48000 0x08
#define CS4398_DEM_32000 0x0c
#define CS4398_DIF_MASK 0x70
#define CS4398_DIF_LJUST 0x00
#define CS4398_DIF_I2S 0x10
#define CS4398_DIF_RJUST_16 0x20
#define CS4398_DIF_RJUST_24 0x30
#define CS4398_DIF_RJUST_20 0x40
#define CS4398_DIF_RJUST_18 0x50
#define CS4398_DSD_SRC 0x80
/* register 3 */
#define CS4398_ATAPI_MASK 0x1f
#define CS4398_ATAPI_B_MUTE 0x00
#define CS4398_ATAPI_B_R 0x01
#define CS4398_ATAPI_B_L 0x02
#define CS4398_ATAPI_B_LR 0x03
#define CS4398_ATAPI_A_MUTE 0x00
#define CS4398_ATAPI_A_R 0x04
#define CS4398_ATAPI_A_L 0x08
#define CS4398_ATAPI_A_LR 0x0c
#define CS4398_ATAPI_MIX_LR_VOL 0x10
#define CS4398_INVERT_B 0x20
#define CS4398_INVERT_A 0x40
#define CS4398_VOL_B_EQ_A 0x80
/* register 4 */
#define CS4398_MUTEP_MASK 0x03
#define CS4398_MUTEP_AUTO 0x00
#define CS4398_MUTEP_LOW 0x02
#define CS4398_MUTEP_HIGH 0x03
#define CS4398_MUTE_B 0x08
#define CS4398_MUTE_A 0x10
#define CS4398_MUTEC_A_EQ_B 0x20
#define CS4398_DAMUTE 0x40
#define CS4398_PAMUTE 0x80
/* register 5 */
#define CS4398_VOL_A_MASK 0xff
/* register 6 */
#define CS4398_VOL_B_MASK 0xff
/* register 7 */
#define CS4398_DIR_DSD 0x01
#define CS4398_FILT_SEL 0x04
#define CS4398_RMP_DN 0x10
#define CS4398_RMP_UP 0x20
#define CS4398_ZERO_CROSS 0x40
#define CS4398_SOFT_RAMP 0x80
/* register 8 */
#define CS4398_MCLKDIV3 0x08
#define CS4398_MCLKDIV2 0x10
#define CS4398_FREEZE 0x20
#define CS4398_CPEN 0x40
#define CS4398_PDN 0x80
/* register 9 */
#define CS4398_DSD_PM_EN 0x01
#define CS4398_DSD_PM_MODE 0x02
#define CS4398_INVALID_DSD 0x04
#define CS4398_STATIC_DSD 0x08
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