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/*
Auvitek AU8522 QAM/8VSB demodulator driver
Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
Copyright (C) 2008 Devin Heitmueller <dheitmueller@linuxtv.org>
Copyright (C) 2005-2008 Auvitek International, Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <linux/i2c.h>
#include "dvb_frontend.h"
#include "au8522.h"
#include "tuner-i2c.h"
#define AU8522_ANALOG_MODE 0
#define AU8522_DIGITAL_MODE 1
struct au8522_state {
struct i2c_client *c;
struct i2c_adapter *i2c;
u8 operational_mode;
/* Used for sharing of the state between analog and digital mode */
struct tuner_i2c_props i2c_props;
struct list_head hybrid_tuner_instance_list;
/* configuration settings */
const struct au8522_config *config;
struct dvb_frontend frontend;
u32 current_frequency;
fe_modulation_t current_modulation;
u32 fe_status;
unsigned int led_state;
/* Analog settings */
struct v4l2_subdev sd;
v4l2_std_id std;
int vid_input;
int aud_input;
u32 id;
u32 rev;
u8 brightness;
u8 contrast;
u8 saturation;
s16 hue;
};
/* These are routines shared by both the VSB/QAM demodulator and the analog
decoder */
int au8522_writereg(struct au8522_state *state, u16 reg, u8 data);
u8 au8522_readreg(struct au8522_state *state, u16 reg);
int au8522_init(struct dvb_frontend *fe);
int au8522_sleep(struct dvb_frontend *fe);
int au8522_get_state(struct au8522_state **state, struct i2c_adapter *i2c,
u8 client_address);
void au8522_release_state(struct au8522_state *state);
/* REGISTERS */
#define AU8522_INPUT_CONTROL_REG081H 0x081
#define AU8522_PGA_CONTROL_REG082H 0x082
#define AU8522_CLAMPING_CONTROL_REG083H 0x083
#define AU8522_MODULE_CLOCK_CONTROL_REG0A3H 0x0A3
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H 0x0A4
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H 0x0A5
#define AU8522_AGC_CONTROL_RANGE_REG0A6H 0x0A6
#define AU8522_SYSTEM_GAIN_CONTROL_REG0A7H 0x0A7
#define AU8522_TUNER_AGC_RF_STOP_REG0A8H 0x0A8
#define AU8522_TUNER_AGC_RF_START_REG0A9H 0x0A9
#define AU8522_TUNER_RF_AGC_DEFAULT_REG0AAH 0x0AA
#define AU8522_TUNER_AGC_IF_STOP_REG0ABH 0x0AB
#define AU8522_TUNER_AGC_IF_START_REG0ACH 0x0AC
#define AU8522_TUNER_AGC_IF_DEFAULT_REG0ADH 0x0AD
#define AU8522_TUNER_AGC_STEP_REG0AEH 0x0AE
#define AU8522_TUNER_GAIN_STEP_REG0AFH 0x0AF
/* Receiver registers */
#define AU8522_FRMREGTHRD1_REG0B0H 0x0B0
#define AU8522_FRMREGAGC1H_REG0B1H 0x0B1
#define AU8522_FRMREGSHIFT1_REG0B2H 0x0B2
#define AU8522_TOREGAGC1_REG0B3H 0x0B3
#define AU8522_TOREGASHIFT1_REG0B4H 0x0B4
#define AU8522_FRMREGBBH_REG0B5H 0x0B5
#define AU8522_FRMREGBBM_REG0B6H 0x0B6
#define AU8522_FRMREGBBL_REG0B7H 0x0B7
/* 0xB8 TO 0xD7 are the filter coefficients */
#define AU8522_FRMREGTHRD2_REG0D8H 0x0D8
#define AU8522_FRMREGAGC2H_REG0D9H 0x0D9
#define AU8522_TOREGAGC2_REG0DAH 0x0DA
#define AU8522_TOREGSHIFT2_REG0DBH 0x0DB
#define AU8522_FRMREGPILOTH_REG0DCH 0x0DC
#define AU8522_FRMREGPILOTM_REG0DDH 0x0DD
#define AU8522_FRMREGPILOTL_REG0DEH 0x0DE
#define AU8522_TOREGFREQ_REG0DFH 0x0DF
#define AU8522_RX_PGA_RFOUT_REG0EBH 0x0EB
#define AU8522_RX_PGA_IFOUT_REG0ECH 0x0EC
#define AU8522_RX_PGA_PGAOUT_REG0EDH 0x0ED
#define AU8522_CHIP_MODE_REG0FEH 0x0FE
/* I2C bus control registers */
#define AU8522_I2C_CONTROL_REG0_REG090H 0x090
#define AU8522_I2C_CONTROL_REG1_REG091H 0x091
#define AU8522_I2C_STATUS_REG092H 0x092
#define AU8522_I2C_WR_DATA0_REG093H 0x093
#define AU8522_I2C_WR_DATA1_REG094H 0x094
#define AU8522_I2C_WR_DATA2_REG095H 0x095
#define AU8522_I2C_WR_DATA3_REG096H 0x096
#define AU8522_I2C_WR_DATA4_REG097H 0x097
#define AU8522_I2C_WR_DATA5_REG098H 0x098
#define AU8522_I2C_WR_DATA6_REG099H 0x099
#define AU8522_I2C_WR_DATA7_REG09AH 0x09A
#define AU8522_I2C_RD_DATA0_REG09BH 0x09B
#define AU8522_I2C_RD_DATA1_REG09CH 0x09C
#define AU8522_I2C_RD_DATA2_REG09DH 0x09D
#define AU8522_I2C_RD_DATA3_REG09EH 0x09E
#define AU8522_I2C_RD_DATA4_REG09FH 0x09F
#define AU8522_I2C_RD_DATA5_REG0A0H 0x0A0
#define AU8522_I2C_RD_DATA6_REG0A1H 0x0A1
#define AU8522_I2C_RD_DATA7_REG0A2H 0x0A2
#define AU8522_ENA_USB_REG101H 0x101
#define AU8522_I2S_CTRL_0_REG110H 0x110
#define AU8522_I2S_CTRL_1_REG111H 0x111
#define AU8522_I2S_CTRL_2_REG112H 0x112
#define AU8522_FRMREGFFECONTROL_REG121H 0x121
#define AU8522_FRMREGDFECONTROL_REG122H 0x122
#define AU8522_CARRFREQOFFSET0_REG201H 0x201
#define AU8522_CARRFREQOFFSET1_REG202H 0x202
#define AU8522_DECIMATION_GAIN_REG21AH 0x21A
#define AU8522_FRMREGIFSLP_REG21BH 0x21B
#define AU8522_FRMREGTHRDL2_REG21CH 0x21C
#define AU8522_FRMREGSTEP3DB_REG21DH 0x21D
#define AU8522_DAGC_GAIN_ADJUSTMENT_REG21EH 0x21E
#define AU8522_FRMREGPLLMODE_REG21FH 0x21F
#define AU8522_FRMREGCSTHRD_REG220H 0x220
#define AU8522_FRMREGCRLOCKDMAX_REG221H 0x221
#define AU8522_FRMREGCRPERIODMASK_REG222H 0x222
#define AU8522_FRMREGCRLOCK0THH_REG223H 0x223
#define AU8522_FRMREGCRLOCK1THH_REG224H 0x224
#define AU8522_FRMREGCRLOCK0THL_REG225H 0x225
#define AU8522_FRMREGCRLOCK1THL_REG226H 0x226
#define AU_FRMREGPLLACQPHASESCL_REG227H 0x227
#define AU8522_FRMREGFREQFBCTRL_REG228H 0x228
/* Analog TV Decoder */
#define AU8522_TVDEC_STATUS_REG000H 0x000
#define AU8522_TVDEC_INT_STATUS_REG001H 0x001
#define AU8522_TVDEC_MACROVISION_STATUS_REG002H 0x002
#define AU8522_TVDEC_SHARPNESSREG009H 0x009
#define AU8522_TVDEC_BRIGHTNESS_REG00AH 0x00A
#define AU8522_TVDEC_CONTRAST_REG00BH 0x00B
#define AU8522_TVDEC_SATURATION_CB_REG00CH 0x00C
#define AU8522_TVDEC_SATURATION_CR_REG00DH 0x00D
#define AU8522_TVDEC_HUE_H_REG00EH 0x00E
#define AU8522_TVDEC_HUE_L_REG00FH 0x00F
#define AU8522_TVDEC_INT_MASK_REG010H 0x010
#define AU8522_VIDEO_MODE_REG011H 0x011
#define AU8522_TVDEC_PGA_REG012H 0x012
#define AU8522_TVDEC_COMB_MODE_REG015H 0x015
#define AU8522_REG016H 0x016
#define AU8522_TVDED_DBG_MODE_REG060H 0x060
#define AU8522_TVDEC_FORMAT_CTRL1_REG061H 0x061
#define AU8522_TVDEC_FORMAT_CTRL2_REG062H 0x062
#define AU8522_TVDEC_VCR_DET_LLIM_REG063H 0x063
#define AU8522_TVDEC_VCR_DET_HLIM_REG064H 0x064
#define AU8522_TVDEC_COMB_VDIF_THR1_REG065H 0x065
#define AU8522_TVDEC_COMB_VDIF_THR2_REG066H 0x066
#define AU8522_TVDEC_COMB_VDIF_THR3_REG067H 0x067
#define AU8522_TVDEC_COMB_NOTCH_THR_REG068H 0x068
#define AU8522_TVDEC_COMB_HDIF_THR1_REG069H 0x069
#define AU8522_TVDEC_COMB_HDIF_THR2_REG06AH 0x06A
#define AU8522_TVDEC_COMB_HDIF_THR3_REG06BH 0x06B
#define AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH 0x06C
#define AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH 0x06D
#define AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH 0x06E
#define AU8522_TVDEC_UV_SEP_THR_REG06FH 0x06F
#define AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H 0x070
#define AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H 0x073
#define AU8522_TVDEC_DCAGC_CTRL_REG077H 0x077
#define AU8522_TVDEC_PIC_START_ADJ_REG078H 0x078
#define AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H 0x079
#define AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH 0x07A
#define AU8522_TVDEC_INTRP_CTRL_REG07BH 0x07B
#define AU8522_TVDEC_PLL_STATUS_REG07EH 0x07E
#define AU8522_TVDEC_FSC_FREQ_REG07FH 0x07F
#define AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H 0x0E4
#define AU8522_TOREGAAGC_REG0E5H 0x0E5
#define AU8522_TVDEC_CHROMA_AGC_REG401H 0x401
#define AU8522_TVDEC_CHROMA_SFT_REG402H 0x402
#define AU8522_FILTER_COEF_R410 0x410
#define AU8522_FILTER_COEF_R411 0x411
#define AU8522_FILTER_COEF_R412 0x412
#define AU8522_FILTER_COEF_R413 0x413
#define AU8522_FILTER_COEF_R414 0x414
#define AU8522_FILTER_COEF_R415 0x415
#define AU8522_FILTER_COEF_R416 0x416
#define AU8522_FILTER_COEF_R417 0x417
#define AU8522_FILTER_COEF_R418 0x418
#define AU8522_FILTER_COEF_R419 0x419
#define AU8522_FILTER_COEF_R41A 0x41A
#define AU8522_FILTER_COEF_R41B 0x41B
#define AU8522_FILTER_COEF_R41C 0x41C
#define AU8522_FILTER_COEF_R41D 0x41D
#define AU8522_FILTER_COEF_R41E 0x41E
#define AU8522_FILTER_COEF_R41F 0x41F
#define AU8522_FILTER_COEF_R420 0x420
#define AU8522_FILTER_COEF_R421 0x421
#define AU8522_FILTER_COEF_R422 0x422
#define AU8522_FILTER_COEF_R423 0x423
#define AU8522_FILTER_COEF_R424 0x424
#define AU8522_FILTER_COEF_R425 0x425
#define AU8522_FILTER_COEF_R426 0x426
#define AU8522_FILTER_COEF_R427 0x427
#define AU8522_FILTER_COEF_R428 0x428
#define AU8522_FILTER_COEF_R429 0x429
#define AU8522_FILTER_COEF_R42A 0x42A
#define AU8522_FILTER_COEF_R42B 0x42B
#define AU8522_FILTER_COEF_R42C 0x42C
#define AU8522_FILTER_COEF_R42D 0x42D
/* VBI Control Registers */
#define AU8522_TVDEC_VBI_RX_FIFO_CONTAIN_REG004H 0x004
#define AU8522_TVDEC_VBI_TX_FIFO_CONTAIN_REG005H 0x005
#define AU8522_TVDEC_VBI_RX_FIFO_READ_REG006H 0x006
#define AU8522_TVDEC_VBI_FIFO_STATUS_REG007H 0x007
#define AU8522_TVDEC_VBI_CTRL_H_REG017H 0x017
#define AU8522_TVDEC_VBI_CTRL_L_REG018H 0x018
#define AU8522_TVDEC_VBI_USER_TOTAL_BITS_REG019H 0x019
#define AU8522_TVDEC_VBI_USER_TUNIT_H_REG01AH 0x01A
#define AU8522_TVDEC_VBI_USER_TUNIT_L_REG01BH 0x01B
#define AU8522_TVDEC_VBI_USER_THRESH1_REG01CH 0x01C
#define AU8522_TVDEC_VBI_USER_FRAME_PAT2_REG01EH 0x01E
#define AU8522_TVDEC_VBI_USER_FRAME_PAT1_REG01FH 0x01F
#define AU8522_TVDEC_VBI_USER_FRAME_PAT0_REG020H 0x020
#define AU8522_TVDEC_VBI_USER_FRAME_MASK2_REG021H 0x021
#define AU8522_TVDEC_VBI_USER_FRAME_MASK1_REG022H 0x022
#define AU8522_TVDEC_VBI_USER_FRAME_MASK0_REG023H 0x023
#define AU8522_REG071H 0x071
#define AU8522_REG072H 0x072
#define AU8522_REG074H 0x074
#define AU8522_REG075H 0x075
/* Digital Demodulator Registers */
#define AU8522_FRAME_COUNT0_REG084H 0x084
#define AU8522_RS_STATUS_G0_REG085H 0x085
#define AU8522_RS_STATUS_B0_REG086H 0x086
#define AU8522_RS_STATUS_E_REG087H 0x087
#define AU8522_DEMODULATION_STATUS_REG088H 0x088
#define AU8522_TOREGTRESTATUS_REG0E6H 0x0E6
#define AU8522_TSPORT_CONTROL_REG10BH 0x10B
#define AU8522_TSTHES_REG10CH 0x10C
#define AU8522_FRMREGDFEKEEP_REG301H 0x301
#define AU8522_DFE_AVERAGE_REG302H 0x302
#define AU8522_FRMREGEQLERRWIN_REG303H 0x303
#define AU8522_FRMREGFFEKEEP_REG304H 0x304
#define AU8522_FRMREGDFECONTROL1_REG305H 0x305
#define AU8522_FRMREGEQLERRLOW_REG306H 0x306
#define AU8522_REG42EH 0x42E
#define AU8522_REG42FH 0x42F
#define AU8522_REG430H 0x430
#define AU8522_REG431H 0x431
#define AU8522_REG432H 0x432
#define AU8522_REG433H 0x433
#define AU8522_REG434H 0x434
#define AU8522_REG435H 0x435
#define AU8522_REG436H 0x436
/* GPIO Registers */
#define AU8522_GPIO_CONTROL_REG0E0H 0x0E0
#define AU8522_GPIO_STATUS_REG0E1H 0x0E1
#define AU8522_GPIO_DATA_REG0E2H 0x0E2
/* Audio Control Registers */
#define AU8522_AUDIOAGC_REG0EEH 0x0EE
#define AU8522_AUDIO_STATUS_REG0F0H 0x0F0
#define AU8522_AUDIO_MODE_REG0F1H 0x0F1
#define AU8522_AUDIO_VOLUME_L_REG0F2H 0x0F2
#define AU8522_AUDIO_VOLUME_R_REG0F3H 0x0F3
#define AU8522_AUDIO_VOLUME_REG0F4H 0x0F4
#define AU8522_FRMREGAUPHASE_REG0F7H 0x0F7
#define AU8522_REG0F9H 0x0F9
#define AU8522_AUDIOAGC2_REG605H 0x605
#define AU8522_AUDIOFREQ_REG606H 0x606
/**************************************************************/
#define AU8522_INPUT_CONTROL_REG081H_ATSC 0xC4
#define AU8522_INPUT_CONTROL_REG081H_ATVRF 0xC4
#define AU8522_INPUT_CONTROL_REG081H_ATVRF13 0xC4
#define AU8522_INPUT_CONTROL_REG081H_J83B64 0xC4
#define AU8522_INPUT_CONTROL_REG081H_J83B256 0xC4
#define AU8522_INPUT_CONTROL_REG081H_CVBS 0x20
#define AU8522_INPUT_CONTROL_REG081H_CVBS_CH1 0xA2
#define AU8522_INPUT_CONTROL_REG081H_CVBS_CH2 0xA0
#define AU8522_INPUT_CONTROL_REG081H_CVBS_CH3 0x69
#define AU8522_INPUT_CONTROL_REG081H_CVBS_CH4 0x68
#define AU8522_INPUT_CONTROL_REG081H_CVBS_CH4_SIF 0x28
/* CH1 AS Y,CH3 AS C */
#define AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13 0x23
/* CH2 AS Y,CH4 AS C */
#define AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH24 0x20
#define AU8522_MODULE_CLOCK_CONTROL_REG0A3H_ATSC 0x0C
#define AU8522_MODULE_CLOCK_CONTROL_REG0A3H_J83B64 0x09
#define AU8522_MODULE_CLOCK_CONTROL_REG0A3H_J83B256 0x09
#define AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS 0x12
#define AU8522_MODULE_CLOCK_CONTROL_REG0A3H_ATVRF 0x1A
#define AU8522_MODULE_CLOCK_CONTROL_REG0A3H_ATVRF13 0x1A
#define AU8522_MODULE_CLOCK_CONTROL_REG0A3H_SVIDEO 0x02
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CLEAR 0x00
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_SVIDEO 0x9C
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS 0x9D
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_ATSC 0xE8
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_J83B256 0xCA
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_J83B64 0xCA
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_ATVRF 0xDD
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_ATVRF13 0xDD
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_PAL 0xDD
#define AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_FM 0xDD
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_ATSC 0x80
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_J83B256 0x80
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_J83B64 0x80
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_DONGLE_ATSC 0x40
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_DONGLE_J83B256 0x40
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_DONGLE_J83B64 0x40
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_DONGLE_CLEAR 0x00
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_ATVRF 0x01
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_ATVRF13 0x01
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_SVIDEO 0x04
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_CVBS 0x01
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_PWM 0x03
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_IIS 0x09
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_PAL 0x01
#define AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H_FM 0x01
/* STILL NEED TO BE REFACTORED @@@@@@@@@@@@@@ */
#define AU8522_TVDEC_CONTRAST_REG00BH_CVBS 0x79
#define AU8522_TVDEC_SATURATION_CB_REG00CH_CVBS 0x80
#define AU8522_TVDEC_SATURATION_CR_REG00DH_CVBS 0x80
#define AU8522_TVDEC_HUE_H_REG00EH_CVBS 0x00
#define AU8522_TVDEC_HUE_L_REG00FH_CVBS 0x00
#define AU8522_TVDEC_PGA_REG012H_CVBS 0x0F
#define AU8522_TVDEC_COMB_MODE_REG015H_CVBS 0x00
#define AU8522_REG016H_CVBS 0x00
#define AU8522_TVDED_DBG_MODE_REG060H_CVBS 0x00
#define AU8522_TVDEC_FORMAT_CTRL1_REG061H_CVBS 0x0B
#define AU8522_TVDEC_FORMAT_CTRL1_REG061H_CVBS13 0x03
#define AU8522_TVDEC_FORMAT_CTRL2_REG062H_CVBS13 0x00
#define AU8522_TVDEC_VCR_DET_LLIM_REG063H_CVBS 0x19
#define AU8522_REG0F9H_AUDIO 0x20
#define AU8522_TVDEC_VCR_DET_HLIM_REG064H_CVBS 0xA7
#define AU8522_TVDEC_COMB_VDIF_THR1_REG065H_CVBS 0x0A
#define AU8522_TVDEC_COMB_VDIF_THR2_REG066H_CVBS 0x32
#define AU8522_TVDEC_COMB_VDIF_THR3_REG067H_CVBS 0x19
#define AU8522_TVDEC_COMB_NOTCH_THR_REG068H_CVBS 0x23
#define AU8522_TVDEC_COMB_HDIF_THR1_REG069H_CVBS 0x41
#define AU8522_TVDEC_COMB_HDIF_THR2_REG06AH_CVBS 0x0A
#define AU8522_TVDEC_COMB_HDIF_THR3_REG06BH_CVBS 0x32
#define AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_CVBS 0x34
#define AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_CVBS 0x05
#define AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH_CVBS 0x6E
#define AU8522_TVDEC_UV_SEP_THR_REG06FH_CVBS 0x0F
#define AU8522_TVDEC_COMB_DC_THR1_NTSC_REG070H_CVBS 0x80
#define AU8522_REG071H_CVBS 0x18
#define AU8522_REG072H_CVBS 0x30
#define AU8522_TVDEC_COMB_DC_THR2_NTSC_REG073H_CVBS 0xF0
#define AU8522_REG074H_CVBS 0x80
#define AU8522_REG075H_CVBS 0xF0
#define AU8522_TVDEC_DCAGC_CTRL_REG077H_CVBS 0xFB
#define AU8522_TVDEC_PIC_START_ADJ_REG078H_CVBS 0x04
#define AU8522_TVDEC_AGC_HIGH_LIMIT_REG079H_CVBS 0x00
#define AU8522_TVDEC_MACROVISION_SYNC_THR_REG07AH_CVBS 0x00
#define AU8522_TVDEC_INTRP_CTRL_REG07BH_CVBS 0xEE
#define AU8522_TVDEC_AGC_LOW_LIMIT_REG0E4H_CVBS 0xFE
#define AU8522_TOREGAAGC_REG0E5H_CVBS 0x00
#define AU8522_TVDEC_VBI6A_REG035H_CVBS 0x40
/* Enables Closed captioning */
#define AU8522_TVDEC_VBI_CTRL_H_REG017H_CCON 0x21
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