1/* 2 * Driver for Freescale MC44S803 Low Power CMOS Broadband Tuner 3 * 4 * Copyright (c) 2009 Jochen Friedrich <jochen@scram.de> 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 18#ifndef MC44S803_PRIV_H 19#define MC44S803_PRIV_H 20 21/* This driver is based on the information available in the datasheet 22 http://www.freescale.com/files/rf_if/doc/data_sheet/MC44S803.pdf 23 24 SPI or I2C Address : 0xc0-0xc6 25 26 Reg.No | Function 27 ------------------------------------------- 28 00 | Power Down 29 01 | Reference Oszillator 30 02 | Reference Dividers 31 03 | Mixer and Reference Buffer 32 04 | Reset/Serial Out 33 05 | LO 1 34 06 | LO 2 35 07 | Circuit Adjust 36 08 | Test 37 09 | Digital Tune 38 0A | LNA AGC 39 0B | Data Register Address 40 0C | Regulator Test 41 0D | VCO Test 42 0E | LNA Gain/Input Power 43 0F | ID Bits 44 45*/ 46 47#define MC44S803_OSC 26000000 /* 26 MHz */ 48#define MC44S803_IF1 1086000000 /* 1086 MHz */ 49#define MC44S803_IF2 36125000 /* 36.125 MHz */ 50 51#define MC44S803_REG_POWER 0 52#define MC44S803_REG_REFOSC 1 53#define MC44S803_REG_REFDIV 2 54#define MC44S803_REG_MIXER 3 55#define MC44S803_REG_RESET 4 56#define MC44S803_REG_LO1 5 57#define MC44S803_REG_LO2 6 58#define MC44S803_REG_CIRCADJ 7 59#define MC44S803_REG_TEST 8 60#define MC44S803_REG_DIGTUNE 9 61#define MC44S803_REG_LNAAGC 0x0A 62#define MC44S803_REG_DATAREG 0x0B 63#define MC44S803_REG_REGTEST 0x0C 64#define MC44S803_REG_VCOTEST 0x0D 65#define MC44S803_REG_LNAGAIN 0x0E 66#define MC44S803_REG_ID 0x0F 67 68/* Register definitions */ 69#define MC44S803_ADDR 0x0F 70#define MC44S803_ADDR_S 0 71/* REG_POWER */ 72#define MC44S803_POWER 0xFFFFF0 73#define MC44S803_POWER_S 4 74/* REG_REFOSC */ 75#define MC44S803_REFOSC 0x1FF0 76#define MC44S803_REFOSC_S 4 77#define MC44S803_OSCSEL 0x2000 78#define MC44S803_OSCSEL_S 13 79/* REG_REFDIV */ 80#define MC44S803_R2 0x1FF0 81#define MC44S803_R2_S 4 82#define MC44S803_REFBUF_EN 0x2000 83#define MC44S803_REFBUF_EN_S 13 84#define MC44S803_R1 0x7C000 85#define MC44S803_R1_S 14 86/* REG_MIXER */ 87#define MC44S803_R3 0x70 88#define MC44S803_R3_S 4 89#define MC44S803_MUX3 0x80 90#define MC44S803_MUX3_S 7 91#define MC44S803_MUX4 0x100 92#define MC44S803_MUX4_S 8 93#define MC44S803_OSC_SCR 0x200 94#define MC44S803_OSC_SCR_S 9 95#define MC44S803_TRI_STATE 0x400 96#define MC44S803_TRI_STATE_S 10 97#define MC44S803_BUF_GAIN 0x800 98#define MC44S803_BUF_GAIN_S 11 99#define MC44S803_BUF_IO 0x1000 100#define MC44S803_BUF_IO_S 12 101#define MC44S803_MIXER_RES 0xFE000 102#define MC44S803_MIXER_RES_S 13 103/* REG_RESET */ 104#define MC44S803_RS 0x10 105#define MC44S803_RS_S 4 106#define MC44S803_SO 0x20 107#define MC44S803_SO_S 5 108/* REG_LO1 */ 109#define MC44S803_LO1 0xFFF0 110#define MC44S803_LO1_S 4 111/* REG_LO2 */ 112#define MC44S803_LO2 0x7FFF0 113#define MC44S803_LO2_S 4 114/* REG_CIRCADJ */ 115#define MC44S803_G1 0x20 116#define MC44S803_G1_S 5 117#define MC44S803_G3 0x80 118#define MC44S803_G3_S 7 119#define MC44S803_CIRCADJ_RES 0x300 120#define MC44S803_CIRCADJ_RES_S 8 121#define MC44S803_G6 0x400 122#define MC44S803_G6_S 10 123#define MC44S803_G7 0x800 124#define MC44S803_G7_S 11 125#define MC44S803_S1 0x1000 126#define MC44S803_S1_S 12 127#define MC44S803_LP 0x7E000 128#define MC44S803_LP_S 13 129#define MC44S803_CLRF 0x80000 130#define MC44S803_CLRF_S 19 131#define MC44S803_CLIF 0x100000 132#define MC44S803_CLIF_S 20 133/* REG_TEST */ 134/* REG_DIGTUNE */ 135#define MC44S803_DA 0xF0 136#define MC44S803_DA_S 4 137#define MC44S803_XOD 0x300 138#define MC44S803_XOD_S 8 139#define MC44S803_RST 0x10000 140#define MC44S803_RST_S 16 141#define MC44S803_LO_REF 0x1FFF00 142#define MC44S803_LO_REF_S 8 143#define MC44S803_AT 0x200000 144#define MC44S803_AT_S 21 145#define MC44S803_MT 0x400000 146#define MC44S803_MT_S 22 147/* REG_LNAAGC */ 148#define MC44S803_G 0x3F0 149#define MC44S803_G_S 4 150#define MC44S803_AT1 0x400 151#define MC44S803_AT1_S 10 152#define MC44S803_AT2 0x800 153#define MC44S803_AT2_S 11 154#define MC44S803_HL_GR_EN 0x8000 155#define MC44S803_HL_GR_EN_S 15 156#define MC44S803_AGC_AN_DIG 0x10000 157#define MC44S803_AGC_AN_DIG_S 16 158#define MC44S803_ATTEN_EN 0x20000 159#define MC44S803_ATTEN_EN_S 17 160#define MC44S803_AGC_READ_EN 0x40000 161#define MC44S803_AGC_READ_EN_S 18 162#define MC44S803_LNA0 0x80000 163#define MC44S803_LNA0_S 19 164#define MC44S803_AGC_SEL 0x100000 165#define MC44S803_AGC_SEL_S 20 166#define MC44S803_AT0 0x200000 167#define MC44S803_AT0_S 21 168#define MC44S803_B 0xC00000 169#define MC44S803_B_S 22 170/* REG_DATAREG */ 171#define MC44S803_D 0xF0 172#define MC44S803_D_S 4 173/* REG_REGTEST */ 174/* REG_VCOTEST */ 175/* REG_LNAGAIN */ 176#define MC44S803_IF_PWR 0x700 177#define MC44S803_IF_PWR_S 8 178#define MC44S803_RF_PWR 0x3800 179#define MC44S803_RF_PWR_S 11 180#define MC44S803_LNA_GAIN 0xFC000 181#define MC44S803_LNA_GAIN_S 14 182/* REG_ID */ 183#define MC44S803_ID 0x3E00 184#define MC44S803_ID_S 9 185 186/* Some macros to read/write fields */ 187 188/* First shift, then mask */ 189#define MC44S803_REG_SM(_val, _reg) \ 190 (((_val) << _reg##_S) & (_reg)) 191 192/* First mask, then shift */ 193#define MC44S803_REG_MS(_val, _reg) \ 194 (((_val) & (_reg)) >> _reg##_S) 195 196struct mc44s803_priv { 197 struct mc44s803_config *cfg; 198 struct i2c_adapter *i2c; 199 struct dvb_frontend *fe; 200 201 u32 frequency; 202}; 203 204#endif 205