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 "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_8;
57 };
58
59 enum tda18271_role {
60 TDA18271_MASTER = 0,
61 TDA18271_SLAVE,
62 };
63
64 enum tda18271_i2c_gate {
65 TDA18271_GATE_AUTO = 0,
66 TDA18271_GATE_ANALOG,
67 TDA18271_GATE_DIGITAL,
68 };
69
70 enum tda18271_output_options {
71 /* slave tuner output & loop thru & xtal oscillator always on */
72 TDA18271_OUTPUT_LT_XT_ON = 0,
73
74 /* slave tuner output loop thru off */
75 TDA18271_OUTPUT_LT_OFF = 1,
76
77 /* xtal oscillator off */
78 TDA18271_OUTPUT_XT_OFF = 2,
79 };
80
81 enum tda18271_small_i2c {
82 TDA18271_39_BYTE_CHUNK_INIT = 0,
83 TDA18271_16_BYTE_CHUNK_INIT = 16,
84 TDA18271_08_BYTE_CHUNK_INIT = 8,
85 TDA18271_03_BYTE_CHUNK_INIT = 3,
86 };
87
88 struct tda18271_config {
89 /* override default if freq / std settings (optional) */
90 struct tda18271_std_map *std_map;
91
92 /* master / slave tuner: master uses main pll, slave uses cal pll */
93 enum tda18271_role role;
94
95 /* use i2c gate provided by analog or digital demod */
96 enum tda18271_i2c_gate gate;
97
98 /* output options that can be disabled */
99 enum tda18271_output_options output_opt;
100
101 /* some i2c providers can't write all 39 registers at once */
102 enum tda18271_small_i2c small_i2c;
103
104 /* force rf tracking filter calibration on startup */
105 unsigned int rf_cal_on_startup:1;
106
107 /* interface to saa713x / tda829x */
108 unsigned int config;
109 };
110
111 #define TDA18271_CALLBACK_CMD_AGC_ENABLE 0
112
113 enum tda18271_mode {
114 TDA18271_ANALOG = 0,
115 TDA18271_DIGITAL,
116 };
117
118 #if defined(CONFIG_MEDIA_TUNER_TDA18271) || (defined(CONFIG_MEDIA_TUNER_TDA18271_MODULE) && defined(MODULE))
119 extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
120 struct i2c_adapter *i2c,
121 struct tda18271_config *cfg);
122 #else
tda18271_attach(struct dvb_frontend * fe,u8 addr,struct i2c_adapter * i2c,struct tda18271_config * cfg)123 static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
124 u8 addr,
125 struct i2c_adapter *i2c,
126 struct tda18271_config *cfg)
127 {
128 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
129 return NULL;
130 }
131 #endif
132
133 #endif /* __TDA18271_H__ */
134