LXR linux/drivers/media/tuners/tda18271.h

   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
  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 0
 106
 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#else
 117static 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