drivers/media/tuners/mt2060_priv.h

   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