# I2C Script to Setup the device in Playback Mode #2
# Key: w 30 XX YY ==> write to I2C address 0x30, to register 0xXX, data 0xYY
# This script set DAC output routed to HP Driver and Class-D driver via Mixer with 3 programmable Biquads.
# # ==> comment delimiter
#
# Page switch to Page 0
W 30 00 00
# Assert Software reset (P0, R1, D0=1)
W 30 01 01
# Page Switch to Page 1 
W 30 00 01
# LDO output programmed as 1.8V and Level shifters powered up. (P1, R2, D5-D4=00, D3=0)
W 30 02 00
# Page switch to Page 0
W 30 00 00
#         CODEC_CLKIN=MCLK, MCLK should be 11.2896MHz (P0, R4, D1-D0=00)
W 30 04 00
#        DAC NDAC Powered up, NDAC=1 (P0, R11, D7=1, D6-D0=0000001)
W 30 0B 81
#        DAC MDAC Powered up, MDAC=2 (P0, R12, D7=1, D6-D0=0000010)
W 30 0C 82
#        DAC OSR(9:0)-> DOSR=128 (P0, R12, D1-D0=00)
W 30 0D 00
#        DAC OSR(9:0)-> DOSR=128 (P0, R13, D7-D0=10000000)
W 30 0E 80
# Codec Interface control Word length = 16bits, BCLK&WCLK inputs, I2S mode. (P0, R27, D7-D6=00, D5-D4=00, D3-D2=00)
W 30 1B 00
# Data slot offset 00 (P0, R28, D7-D0=0000)
W 30 1C 00
# Dac Instruction programming PRB #2 for Mono routing. Type interpolation (x8) and 3 programmable Biquads. (P0, R60, D4-D0=0010)
W 30 3C 02
##########--------------- BEGIN COEFFICIENTS --------------------------------------
# reg 00 - Page Select Register = 44
# sets active page to page 44 for 3-BQs (BQ-A, BQ-B, BQ-C)
w 30 00 2C
#
#-----------------------------------------------------------------------
#  BQ-A = 100Hz HP
#-----------------------------------------------------------------------
# reg 12/13/14 - N0 Coefficient
w 30 0C 7E B7 7B
# reg 16/17/18 - N1 Coefficient
w 30 10 81 48 85
# reg 20/21/22 - N2 Coefficient
w 30 14 7E B7 7B
# reg 24/25/26 - D1 Coefficient 
w 30 18 7E B5 D5
# reg 28/29/30 - D2 Coefficient
w 30 1C 82 8D BE
#-----------------------------------------------------------------------
#  BQ-B = 1 KHz Notch BW = 25
#-----------------------------------------------------------------------
# reg 32/33/34 - N0 Coefficient
w 30 20 7F C5 BD
# reg 36/37/38 - N1 Coefficient
w 30 24 81 85 B1
# reg 40/41/42 - N2 Coefficient
w 30 28 7F C5 BD
# reg 44/45/46 - D1 Coefficient 
w 30 2C 7E 7A 4F
# reg 48/49/50 - D2 Coefficient
w 30 30 80 74 84
#-----------------------------------------------------------------------
#  BQ-C = 5 KHz Notch BW = 125
#-----------------------------------------------------------------------
# reg 52/53/54 - N0 Coefficient
w 30 34 7E DE C5
# reg 56/57/58 - N1 Coefficient
w 30 38 9F FB C8
# reg 60/61/62 - N2 Coefficient
w 30 3C 7E DE C5
# reg 64/65/66 - D1 Coefficient 
w 30 40 60 04 38
# reg 68/69/70 - D2 Coefficient
w 30 44 82 42 74
##########--------------- END COEFFICIENTS OF Notch Filters  ------------------------
#######################################################
# Page switch to Page 0
W 30 00 00
# DAC powered up, Soft step 1 per Fs. (P0, R63, D7=1, D5-D4=01, D3-D2=00, D1-D0=00)
W 30 3F 90
# DAC digital gain 0dB (P0, R65, D7-D0=00000000)
W 30 41 00
# DAC volume not muted. (P0, R64, D3=0, D2=1)
W 30 40 04
#
# Page Switch to Page 1
W 30 00 01
# Master Reference Powered on (P1, R1, D4=1)
W 30 01 10
# Output common mode for DAC set to 0.9V (default) (P1, R10)
W 30 0A 00
# Mixer P output is connected to HP Out Mixer (P1, R12, D2=1)
w 30 0C 04
# HP Voulme, 0dB Gain (P1, R22, D6-D0=0000000)
W 30 16 00
# Power up HP (P1, R9, D5=1)
w 30 09 20
# Unmute HP with 0dB gain (P1, R16, D4=1)
w 30 10 00
#          SPK attn. Gain =0dB (P1, R46, D6-D0=000000)
W 30 2E 00 
#          SPK driver Gain=6.0dB (P1, R48, D6-D4=001)
W 30 30 10
#          SPK powered up (P1, R45, D1=1)
W 30 2D 02
#