1 /* 2 * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner" 3 * 4 * Copyright (c) 2006 Olivier DANET <odanet@caramail.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.= 20 */ 21 22 #ifndef MT2060_PRIV_H 23 #define MT2060_PRIV_H 24 25 // Uncomment the #define below to enable spurs checking. The results where quite unconvincing. 26 // #define MT2060_SPURCHECK 27 28 /* This driver is based on the information available in the datasheet of the 29 "Comtech SDVBT-3K6M" tuner ( K1000737843.pdf ) which features the MT2060 register map : 30 31 I2C Address : 0x60 32 33 Reg.No | B7 | B6 | B5 | B4 | B3 | B2 | B1 | B0 | ( defaults ) 34 -------------------------------------------------------------------------------- 35 00 | [ PART ] | [ REV ] | R = 0x63 36 01 | [ LNABAND ] | [ NUM1(5:2) ] | RW = 0x3F 37 02 | [ DIV1 ] | RW = 0x74 38 03 | FM1CA | FM1SS | [ NUM1(1:0) ] | [ NUM2(3:0) ] | RW = 0x00 39 04 | NUM2(11:4) ] | RW = 0x08 40 05 | [ DIV2 ] |NUM2(12)| RW = 0x93 41 06 | L1LK | [ TAD1 ] | L2LK | [ TAD2 ] | R 42 07 | [ FMF ] | R 43 08 | ? | FMCAL | ? | ? | ? | ? | ? | TEMP | R 44 09 | 0 | 0 | [ FMGC ] | 0 | GP02 | GP01 | 0 | RW = 0x20 45 0A | ?? 46 0B | 0 | 0 | 1 | 1 | 0 | 0 | [ VGAG ] | RW = 0x30 47 0C | V1CSE | 1 | 1 | 1 | 1 | 1 | 1 | 1 | RW = 0xFF 48 0D | 1 | 0 | [ V1CS ] | RW = 0xB0 49 0E | ?? 50 0F | ?? 51 10 | ?? 52 11 | [ LOTO ] | 0 | 0 | 1 | 0 | RW = 0x42 53 54 PART : Part code : 6 for MT2060 55 REV : Revision code : 3 for current revision 56 LNABAND : Input frequency range : ( See code for details ) 57 NUM1 / DIV1 / NUM2 / DIV2 : Frequencies programming ( See code for details ) 58 FM1CA : Calibration Start Bit 59 FM1SS : Calibration Single Step bit 60 L1LK : LO1 Lock Detect 61 TAD1 : Tune Line ADC ( ? ) 62 L2LK : LO2 Lock Detect 63 TAD2 : Tune Line ADC ( ? ) 64 FMF : Estimated first IF Center frequency Offset ( ? ) 65 FM1CAL : Calibration done bit 66 TEMP : On chip temperature sensor 67 FMCG : Mixer 1 Cap Gain ( ? ) 68 GP01 / GP02 : Programmable digital outputs. Unconnected pins ? 69 V1CSE : LO1 VCO Automatic Capacitor Select Enable ( ? ) 70 V1CS : LO1 Capacitor Selection Value ( ? ) 71 LOTO : LO Timeout ( ? ) 72 VGAG : Tuner Output gain 73 */ 74 75 #define I2C_ADDRESS 0x60 76 77 #define REG_PART_REV 0 78 #define REG_LO1C1 1 79 #define REG_LO1C2 2 80 #define REG_LO2C1 3 81 #define REG_LO2C2 4 82 #define REG_LO2C3 5 83 #define REG_LO_STATUS 6 84 #define REG_FM_FREQ 7 85 #define REG_MISC_STAT 8 86 #define REG_MISC_CTRL 9 87 #define REG_RESERVED_A 0x0A 88 #define REG_VGAG 0x0B 89 #define REG_LO1B1 0x0C 90 #define REG_LO1B2 0x0D 91 #define REG_LOTO 0x11 92 93 #define PART_REV 0x63 // The current driver works only with PART=6 and REV=3 chips 94 95 struct mt2060_priv { 96 struct mt2060_config *cfg; 97 struct i2c_adapter *i2c; 98 99 u32 frequency; 100 u16 if1_freq; 101 u8 fmfreq; 102 }; 103 104 #endif 105