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0001 /* SPDX-License-Identifier: GPL-2.0-or-later */ 0002 /* 0003 * Driver for Quantek QT1010 silicon tuner 0004 * 0005 * Copyright (C) 2006 Antti Palosaari <crope@iki.fi> 0006 * Aapo Tahkola <aet@rasterburn.org> 0007 */ 0008 0009 #ifndef QT1010_PRIV_H 0010 #define QT1010_PRIV_H 0011 0012 /* 0013 reg def meaning 0014 === === ======= 0015 00 00 ? 0016 01 a0 ? operation start/stop; start=80, stop=00 0017 02 00 ? 0018 03 19 ? 0019 04 00 ? 0020 05 00 ? maybe band selection 0021 06 00 ? 0022 07 2b set frequency: 32 MHz scale, n*32 MHz 0023 08 0b ? 0024 09 10 ? changes every 8/24 MHz; values 1d/1c 0025 0a 08 set frequency: 4 MHz scale, n*4 MHz 0026 0b 41 ? changes every 2/2 MHz; values 45/45 0027 0c e1 ? 0028 0d 94 ? 0029 0e b6 ? 0030 0f 2c ? 0031 10 10 ? 0032 11 f1 ? maybe device specified adjustment 0033 12 11 ? maybe device specified adjustment 0034 13 3f ? 0035 14 1f ? 0036 15 3f ? 0037 16 ff ? 0038 17 ff ? 0039 18 f7 ? 0040 19 80 ? 0041 1a d0 set frequency: 125 kHz scale, n*125 kHz 0042 1b 00 ? 0043 1c 89 ? 0044 1d 00 ? 0045 1e 00 ? looks like operation register; write cmd here, read result from 1f-26 0046 1f 20 ? chip initialization 0047 20 e0 ? chip initialization 0048 21 20 ? 0049 22 d0 ? 0050 23 d0 ? 0051 24 d0 ? 0052 25 40 ? chip initialization 0053 26 08 ? 0054 27 29 ? 0055 28 55 ? 0056 29 39 ? 0057 2a 13 ? 0058 2b 01 ? 0059 2c ea ? 0060 2d 00 ? 0061 2e 00 ? not used? 0062 2f 00 ? not used? 0063 */ 0064 0065 #define QT1010_STEP (125 * kHz) /* 0066 * used by Windows drivers, 0067 * hw could be more precise but we don't 0068 * know how to use 0069 */ 0070 #define QT1010_MIN_FREQ (48 * MHz) 0071 #define QT1010_MAX_FREQ (860 * MHz) 0072 #define QT1010_OFFSET (1246 * MHz) 0073 0074 #define QT1010_WR 0 0075 #define QT1010_RD 1 0076 #define QT1010_M1 3 0077 0078 typedef struct { 0079 u8 oper, reg, val; 0080 } qt1010_i2c_oper_t; 0081 0082 struct qt1010_priv { 0083 struct qt1010_config *cfg; 0084 struct i2c_adapter *i2c; 0085 0086 u8 reg1f_init_val; 0087 u8 reg20_init_val; 0088 u8 reg25_init_val; 0089 0090 u32 frequency; 0091 }; 0092 0093 #endif
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