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
tda18271_attach(struct dvb_frontend * fe,u8 addr,struct i2c_adapter * i2c,struct tda18271_config * cfg)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