1 /*
2 tda18271.h - header for the Philips / NXP TDA18271 silicon tuner
3
4 Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #ifndef __TDA18271_H__
22 #define __TDA18271_H__
23
24 #include <linux/i2c.h>
25 #include <media/dvb_frontend.h>
26
27 struct tda18271_std_map_item {
28 u16 if_freq;
29
30 /* EP3[4:3] */
31 unsigned int agc_mode:2;
32 /* EP3[2:0] */
33 unsigned int std:3;
34 /* EP4[7] */
35 unsigned int fm_rfn:1;
36 /* EP4[4:2] */
37 unsigned int if_lvl:3;
38 /* EB22[6:0] */
39 unsigned int rfagc_top:7;
40 };
41
42 struct tda18271_std_map {
43 struct tda18271_std_map_item fm_radio;
44 struct tda18271_std_map_item atv_b;
45 struct tda18271_std_map_item atv_dk;
46 struct tda18271_std_map_item atv_gh;
47 struct tda18271_std_map_item atv_i;
48 struct tda18271_std_map_item atv_l;
49 struct tda18271_std_map_item atv_lc;
50 struct tda18271_std_map_item atv_mn;
51 struct tda18271_std_map_item atsc_6;
52 struct tda18271_std_map_item dvbt_6;
53 struct tda18271_std_map_item dvbt_7;
54 struct tda18271_std_map_item dvbt_8;
55 struct tda18271_std_map_item qam_6;
56 struct tda18271_std_map_item qam_7;
57 struct tda18271_std_map_item qam_8;
58 };
59
60 enum tda18271_role {
61 TDA18271_MASTER = 0,
62 TDA18271_SLAVE,
63 };
64
65 enum tda18271_i2c_gate {
66 TDA18271_GATE_AUTO = 0,
67 TDA18271_GATE_ANALOG,
68 TDA18271_GATE_DIGITAL,
69 };
70
71 enum tda18271_output_options {
72 /* slave tuner output & loop thru & xtal oscillator always on */
73 TDA18271_OUTPUT_LT_XT_ON = 0,
74
75 /* slave tuner output loop thru off */
76 TDA18271_OUTPUT_LT_OFF = 1,
77
78 /* xtal oscillator off */
79 TDA18271_OUTPUT_XT_OFF = 2,
80 };
81
82 enum tda18271_small_i2c {
83 TDA18271_39_BYTE_CHUNK_INIT = 0,
84 TDA18271_16_BYTE_CHUNK_INIT = 16,
85 TDA18271_08_BYTE_CHUNK_INIT = 8,
86 TDA18271_03_BYTE_CHUNK_INIT = 3,
87 };
88
89 struct tda18271_config {
90 /* override default if freq / std settings (optional) */
91 struct tda18271_std_map *std_map;
92
93 /* master / slave tuner: master uses main pll, slave uses cal pll */
94 enum tda18271_role role;
95
96 /* use i2c gate provided by analog or digital demod */
97 enum tda18271_i2c_gate gate;
98
99 /* output options that can be disabled */
100 enum tda18271_output_options output_opt;
101
102 /* some i2c providers can't write all 39 registers at once */
103 enum tda18271_small_i2c small_i2c;
104
105 /* force rf tracking filter calibration on startup */
106 unsigned int rf_cal_on_startup:1;
107
108 /* prevent any register access during attach(),
109 * delaying both IR & RF calibration until init()
110 * module option 'cal' overrides this delay */
111 unsigned int delay_cal:1;
112
113 /* interface to saa713x / tda829x */
114 unsigned int config;
115 };
116
117 #define TDA18271_CALLBACK_CMD_AGC_ENABLE 0
118
119 enum tda18271_mode {
120 TDA18271_ANALOG = 0,
121 TDA18271_DIGITAL,
122 };
123
124 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18271)
125 extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
126 struct i2c_adapter *i2c,
127 struct tda18271_config *cfg);
128 #else
tda18271_attach(struct dvb_frontend * fe,u8 addr,struct i2c_adapter * i2c,struct tda18271_config * cfg)129 static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
130 u8 addr,
131 struct i2c_adapter *i2c,
132 struct tda18271_config *cfg)
133 {
134 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
135 return NULL;
136 }
137 #endif
138
139 #endif /* __TDA18271_H__ */
140