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Patrick Boettcher4de27302006-04-17 13:22:15 -03001/*
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
Olivier DANET46f73f92006-08-08 15:48:10 -030095struct mt2060_priv {
96 struct mt2060_config *cfg;
97 struct i2c_adapter *i2c;
98
99 u32 frequency;
Olivier DANET46f73f92006-08-08 15:48:10 -0300100 u16 if1_freq;
101 u8 fmfreq;
102};
103
Patrick Boettcher4de27302006-04-17 13:22:15 -0300104#endif