1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner" 4 * 5 * Copyright (c) 2006 Olivier DANET <odanet@caramail.com> 6 */ 7 8 #ifndef MT2060_PRIV_H 9 #define MT2060_PRIV_H 10 11 // Uncomment the #define below to enable spurs checking. The results where quite unconvincing. 12 // #define MT2060_SPURCHECK 13 14 /* This driver is based on the information available in the datasheet of the 15 "Comtech SDVBT-3K6M" tuner ( K1000737843.pdf ) which features the MT2060 register map : 16 17 I2C Address : 0x60 18 19 Reg.No | B7 | B6 | B5 | B4 | B3 | B2 | B1 | B0 | ( defaults ) 20 -------------------------------------------------------------------------------- 21 00 | [ PART ] | [ REV ] | R = 0x63 22 01 | [ LNABAND ] | [ NUM1(5:2) ] | RW = 0x3F 23 02 | [ DIV1 ] | RW = 0x74 24 03 | FM1CA | FM1SS | [ NUM1(1:0) ] | [ NUM2(3:0) ] | RW = 0x00 25 04 | NUM2(11:4) ] | RW = 0x08 26 05 | [ DIV2 ] |NUM2(12)| RW = 0x93 27 06 | L1LK | [ TAD1 ] | L2LK | [ TAD2 ] | R 28 07 | [ FMF ] | R 29 08 | ? | FMCAL | ? | ? | ? | ? | ? | TEMP | R 30 09 | 0 | 0 | [ FMGC ] | 0 | GP02 | GP01 | 0 | RW = 0x20 31 0A | ?? 32 0B | 0 | 0 | 1 | 1 | 0 | 0 | [ VGAG ] | RW = 0x30 33 0C | V1CSE | 1 | 1 | 1 | 1 | 1 | 1 | 1 | RW = 0xFF 34 0D | 1 | 0 | [ V1CS ] | RW = 0xB0 35 0E | ?? 36 0F | ?? 37 10 | ?? 38 11 | [ LOTO ] | 0 | 0 | 1 | 0 | RW = 0x42 39 40 PART : Part code : 6 for MT2060 41 REV : Revision code : 3 for current revision 42 LNABAND : Input frequency range : ( See code for details ) 43 NUM1 / DIV1 / NUM2 / DIV2 : Frequencies programming ( See code for details ) 44 FM1CA : Calibration Start Bit 45 FM1SS : Calibration Single Step bit 46 L1LK : LO1 Lock Detect 47 TAD1 : Tune Line ADC ( ? ) 48 L2LK : LO2 Lock Detect 49 TAD2 : Tune Line ADC ( ? ) 50 FMF : Estimated first IF Center frequency Offset ( ? ) 51 FM1CAL : Calibration done bit 52 TEMP : On chip temperature sensor 53 FMCG : Mixer 1 Cap Gain ( ? ) 54 GP01 / GP02 : Programmable digital outputs. Unconnected pins ? 55 V1CSE : LO1 VCO Automatic Capacitor Select Enable ( ? ) 56 V1CS : LO1 Capacitor Selection Value ( ? ) 57 LOTO : LO Timeout ( ? ) 58 VGAG : Tuner Output gain 59 */ 60 61 #define I2C_ADDRESS 0x60 62 63 #define REG_PART_REV 0 64 #define REG_LO1C1 1 65 #define REG_LO1C2 2 66 #define REG_LO2C1 3 67 #define REG_LO2C2 4 68 #define REG_LO2C3 5 69 #define REG_LO_STATUS 6 70 #define REG_FM_FREQ 7 71 #define REG_MISC_STAT 8 72 #define REG_MISC_CTRL 9 73 #define REG_RESERVED_A 0x0A 74 #define REG_VGAG 0x0B 75 #define REG_LO1B1 0x0C 76 #define REG_LO1B2 0x0D 77 #define REG_LOTO 0x11 78 79 #define PART_REV 0x63 // The current driver works only with PART=6 and REV=3 chips 80 81 struct mt2060_priv { 82 struct mt2060_config *cfg; 83 struct i2c_adapter *i2c; 84 struct i2c_client *client; 85 struct mt2060_config config; 86 87 u8 i2c_max_regs; 88 u32 frequency; 89 u16 if1_freq; 90 u8 fmfreq; 91 92 /* 93 * Use REG_MISC_CTRL register for sleep. That drops sleep power usage 94 * about 0.9W (huge!). Register bit meanings are unknown, so let it be 95 * disabled by default to avoid possible regression. Convert driver to 96 * i2c model in order to enable it. 97 */ 98 bool sleep; 99 }; 100 101 #endif 102