cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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tda18271.h (3160B)

      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__ */