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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 tda18271.h - header for the Philips / NXP TDA18271 silicon tuner4 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 15struct 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 30struct 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 48enum tda18271_role {49 TDA18271_MASTER = 0,50 TDA18271_SLAVE,51};52 53enum tda18271_i2c_gate {54 TDA18271_GATE_AUTO = 0,55 TDA18271_GATE_ANALOG,56 TDA18271_GATE_DIGITAL,57};58 59enum 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 70enum 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 77struct 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 0106 107enum tda18271_mode {108 TDA18271_ANALOG = 0,109 TDA18271_DIGITAL,110};111 112#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18271)113extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,114 struct i2c_adapter *i2c,115 struct tda18271_config *cfg);116#else117static 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#endif126 127#endif /* __TDA18271_H__ */128