/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner" * * Copyright (c) 2006 Olivier DANET <odanet@caramail.com> */ #ifndef MT2060_PRIV_H #define MT2060_PRIV_H // Uncomment the #define below to enable spurs checking. The results where quite unconvincing. // #define MT2060_SPURCHECK /* This driver is based on the information available in the datasheet of the "Comtech SDVBT-3K6M" tuner ( K1000737843.pdf ) which features the MT2060 register map : I2C Address : 0x60 Reg.No | B7 | B6 | B5 | B4 | B3 | B2 | B1 | B0 | ( defaults ) -------------------------------------------------------------------------------- 00 | [ PART ] | [ REV ] | R = 0x63 01 | [ LNABAND ] | [ NUM1(5:2) ] | RW = 0x3F 02 | [ DIV1 ] | RW = 0x74 03 | FM1CA | FM1SS | [ NUM1(1:0) ] | [ NUM2(3:0) ] | RW = 0x00 04 | NUM2(11:4) ] | RW = 0x08 05 | [ DIV2 ] |NUM2(12)| RW = 0x93 06 | L1LK | [ TAD1 ] | L2LK | [ TAD2 ] | R 07 | [ FMF ] | R 08 | ? | FMCAL | ? | ? | ? | ? | ? | TEMP | R 09 | 0 | 0 | [ FMGC ] | 0 | GP02 | GP01 | 0 | RW = 0x20 0A | ?? 0B | 0 | 0 | 1 | 1 | 0 | 0 | [ VGAG ] | RW = 0x30 0C | V1CSE | 1 | 1 | 1 | 1 | 1 | 1 | 1 | RW = 0xFF 0D | 1 | 0 | [ V1CS ] | RW = 0xB0 0E | ?? 0F | ?? 10 | ?? 11 | [ LOTO ] | 0 | 0 | 1 | 0 | RW = 0x42 PART : Part code : 6 for MT2060 REV : Revision code : 3 for current revision LNABAND : Input frequency range : ( See code for details ) NUM1 / DIV1 / NUM2 / DIV2 : Frequencies programming ( See code for details ) FM1CA : Calibration Start Bit FM1SS : Calibration Single Step bit L1LK : LO1 Lock Detect TAD1 : Tune Line ADC ( ? ) L2LK : LO2 Lock Detect TAD2 : Tune Line ADC ( ? ) FMF : Estimated first IF Center frequency Offset ( ? ) FM1CAL : Calibration done bit TEMP : On chip temperature sensor FMCG : Mixer 1 Cap Gain ( ? ) GP01 / GP02 : Programmable digital outputs. Unconnected pins ? V1CSE : LO1 VCO Automatic Capacitor Select Enable ( ? ) V1CS : LO1 Capacitor Selection Value ( ? ) LOTO : LO Timeout ( ? ) VGAG : Tuner Output gain */ #define I2C_ADDRESS 0x60 #define REG_PART_REV 0 #define REG_LO1C1 1 #define REG_LO1C2 2 #define REG_LO2C1 3 #define REG_LO2C2 4 #define REG_LO2C3 5 #define REG_LO_STATUS 6 #define REG_FM_FREQ 7 #define REG_MISC_STAT 8 #define REG_MISC_CTRL 9 #define REG_RESERVED_A 0x0A #define REG_VGAG 0x0B #define REG_LO1B1 0x0C #define REG_LO1B2 0x0D #define REG_LOTO 0x11 #define PART_REV 0x63 // The current driver works only with PART=6 and REV=3 chips struct mt2060_priv { struct mt2060_config *cfg; struct i2c_adapter *i2c; struct i2c_client *client; struct mt2060_config config; u8 i2c_max_regs; u32 frequency; u16 if1_freq; u8 fmfreq; /* * Use REG_MISC_CTRL register for sleep. That drops sleep power usage * about 0.9W (huge!). Register bit meanings are unknown, so let it be * disabled by default to avoid possible regression. Convert driver to * i2c model in order to enable it. */ bool sleep; }; #endif |