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ccae7af2bf
Move the tuners one level up, as the "common" directory will be used by drivers that are shared between more than one driver. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
105 lines
4.2 KiB
C
105 lines
4.2 KiB
C
/*
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* Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"
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*
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* Copyright (c) 2006 Olivier DANET <odanet@caramail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
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*/
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#ifndef MT2060_PRIV_H
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#define MT2060_PRIV_H
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// Uncomment the #define below to enable spurs checking. The results where quite unconvincing.
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// #define MT2060_SPURCHECK
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/* This driver is based on the information available in the datasheet of the
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"Comtech SDVBT-3K6M" tuner ( K1000737843.pdf ) which features the MT2060 register map :
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I2C Address : 0x60
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Reg.No | B7 | B6 | B5 | B4 | B3 | B2 | B1 | B0 | ( defaults )
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--------------------------------------------------------------------------------
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00 | [ PART ] | [ REV ] | R = 0x63
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01 | [ LNABAND ] | [ NUM1(5:2) ] | RW = 0x3F
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02 | [ DIV1 ] | RW = 0x74
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03 | FM1CA | FM1SS | [ NUM1(1:0) ] | [ NUM2(3:0) ] | RW = 0x00
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04 | NUM2(11:4) ] | RW = 0x08
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05 | [ DIV2 ] |NUM2(12)| RW = 0x93
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06 | L1LK | [ TAD1 ] | L2LK | [ TAD2 ] | R
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07 | [ FMF ] | R
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08 | ? | FMCAL | ? | ? | ? | ? | ? | TEMP | R
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09 | 0 | 0 | [ FMGC ] | 0 | GP02 | GP01 | 0 | RW = 0x20
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0A | ??
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0B | 0 | 0 | 1 | 1 | 0 | 0 | [ VGAG ] | RW = 0x30
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0C | V1CSE | 1 | 1 | 1 | 1 | 1 | 1 | 1 | RW = 0xFF
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0D | 1 | 0 | [ V1CS ] | RW = 0xB0
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0E | ??
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0F | ??
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10 | ??
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11 | [ LOTO ] | 0 | 0 | 1 | 0 | RW = 0x42
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PART : Part code : 6 for MT2060
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REV : Revision code : 3 for current revision
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LNABAND : Input frequency range : ( See code for details )
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NUM1 / DIV1 / NUM2 / DIV2 : Frequencies programming ( See code for details )
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FM1CA : Calibration Start Bit
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FM1SS : Calibration Single Step bit
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L1LK : LO1 Lock Detect
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TAD1 : Tune Line ADC ( ? )
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L2LK : LO2 Lock Detect
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TAD2 : Tune Line ADC ( ? )
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FMF : Estimated first IF Center frequency Offset ( ? )
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FM1CAL : Calibration done bit
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TEMP : On chip temperature sensor
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FMCG : Mixer 1 Cap Gain ( ? )
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GP01 / GP02 : Programmable digital outputs. Unconnected pins ?
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V1CSE : LO1 VCO Automatic Capacitor Select Enable ( ? )
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V1CS : LO1 Capacitor Selection Value ( ? )
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LOTO : LO Timeout ( ? )
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VGAG : Tuner Output gain
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*/
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#define I2C_ADDRESS 0x60
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#define REG_PART_REV 0
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#define REG_LO1C1 1
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#define REG_LO1C2 2
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#define REG_LO2C1 3
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#define REG_LO2C2 4
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#define REG_LO2C3 5
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#define REG_LO_STATUS 6
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#define REG_FM_FREQ 7
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#define REG_MISC_STAT 8
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#define REG_MISC_CTRL 9
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#define REG_RESERVED_A 0x0A
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#define REG_VGAG 0x0B
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#define REG_LO1B1 0x0C
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#define REG_LO1B2 0x0D
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#define REG_LOTO 0x11
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#define PART_REV 0x63 // The current driver works only with PART=6 and REV=3 chips
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struct mt2060_priv {
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struct mt2060_config *cfg;
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struct i2c_adapter *i2c;
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u32 frequency;
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u16 if1_freq;
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u8 fmfreq;
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};
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#endif
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