1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 tda18271.h - header for the Philips / NXP TDA18271 silicon tuner 4 5 Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> 6 7 */ 8 9 #ifndef __TDA18271_H__ 10 #define __TDA18271_H__ 11 12 #include <linux/i2c.h> 13 #include <media/dvb_frontend.h> 14 15 struct tda18271_std_map_item { 16 u16 if_freq; 17 18 /* EP3[4:3] */ 19 unsigned int agc_mode:2; 20 /* EP3[2:0] */ 21 unsigned int std:3; 22 /* EP4[7] */ 23 unsigned int fm_rfn:1; 24 /* EP4[4:2] */ 25 unsigned int if_lvl:3; 26 /* EB22[6:0] */ 27 unsigned int rfagc_top:7; 28 }; 29 30 struct tda18271_std_map { 31 struct tda18271_std_map_item fm_radio; 32 struct tda18271_std_map_item atv_b; 33 struct tda18271_std_map_item atv_dk; 34 struct tda18271_std_map_item atv_gh; 35 struct tda18271_std_map_item atv_i; 36 struct tda18271_std_map_item atv_l; 37 struct tda18271_std_map_item atv_lc; 38 struct tda18271_std_map_item atv_mn; 39 struct tda18271_std_map_item atsc_6; 40 struct tda18271_std_map_item dvbt_6; 41 struct tda18271_std_map_item dvbt_7; 42 struct tda18271_std_map_item dvbt_8; 43 struct tda18271_std_map_item qam_6; 44 struct tda18271_std_map_item qam_7; 45 struct tda18271_std_map_item qam_8; 46 }; 47 48 enum tda18271_role { 49 TDA18271_MASTER = 0, 50 TDA18271_SLAVE, 51 }; 52 53 enum tda18271_i2c_gate { 54 TDA18271_GATE_AUTO = 0, 55 TDA18271_GATE_ANALOG, 56 TDA18271_GATE_DIGITAL, 57 }; 58 59 enum tda18271_output_options { 60 /* slave tuner output & loop through & xtal oscillator always on */ 61 TDA18271_OUTPUT_LT_XT_ON = 0, 62 63 /* slave tuner output loop through off */ 64 TDA18271_OUTPUT_LT_OFF = 1, 65 66 /* xtal oscillator off */ 67 TDA18271_OUTPUT_XT_OFF = 2, 68 }; 69 70 enum tda18271_small_i2c { 71 TDA18271_39_BYTE_CHUNK_INIT = 0, 72 TDA18271_16_BYTE_CHUNK_INIT = 16, 73 TDA18271_08_BYTE_CHUNK_INIT = 8, 74 TDA18271_03_BYTE_CHUNK_INIT = 3, 75 }; 76 77 struct tda18271_config { 78 /* override default if freq / std settings (optional) */ 79 struct tda18271_std_map *std_map; 80 81 /* master / slave tuner: master uses main pll, slave uses cal pll */ 82 enum tda18271_role role; 83 84 /* use i2c gate provided by analog or digital demod */ 85 enum tda18271_i2c_gate gate; 86 87 /* output options that can be disabled */ 88 enum tda18271_output_options output_opt; 89 90 /* some i2c providers can't write all 39 registers at once */ 91 enum tda18271_small_i2c small_i2c; 92 93 /* force rf tracking filter calibration on startup */ 94 unsigned int rf_cal_on_startup:1; 95 96 /* prevent any register access during attach(), 97 * delaying both IR & RF calibration until init() 98 * module option 'cal' overrides this delay */ 99 unsigned int delay_cal:1; 100 101 /* interface to saa713x / tda829x */ 102 unsigned int config; 103 }; 104 105 #define TDA18271_CALLBACK_CMD_AGC_ENABLE 0 106 107 enum tda18271_mode { 108 TDA18271_ANALOG = 0, 109 TDA18271_DIGITAL, 110 }; 111 112 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18271) 113 extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, 114 struct i2c_adapter *i2c, 115 struct tda18271_config *cfg); 116 #else 117 static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, 118 u8 addr, 119 struct i2c_adapter *i2c, 120 struct tda18271_config *cfg) 121 { 122 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 123 return NULL; 124 } 125 #endif 126 127 #endif /* __TDA18271_H__ */ 128