2 tda18271.h - header for the Philips / NXP TDA18271 silicon tuner
4 Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
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.
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.
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.
21 #ifndef __TDA18271_H__
22 #define __TDA18271_H__
24 #include <linux/i2c.h>
25 #include "dvb_frontend.h"
27 struct tda18271_std_map_item {
31 unsigned int agc_mode:2;
35 unsigned int fm_rfn:1;
37 unsigned int if_lvl:3;
39 unsigned int rfagc_top:7;
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;
59 enum tda18271_i2c_gate {
60 TDA18271_GATE_AUTO = 0,
62 TDA18271_GATE_DIGITAL,
65 struct tda18271_config {
66 /* override default if freq / std settings (optional) */
67 struct tda18271_std_map *std_map;
69 /* use i2c gate provided by analog or digital demod */
70 enum tda18271_i2c_gate gate;
72 /* some i2c providers cant write all 39 registers at once */
73 unsigned int small_i2c:1;
76 #if defined(CONFIG_DVB_TDA18271) || (defined(CONFIG_DVB_TDA18271_MODULE) && defined(MODULE))
77 extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
78 struct i2c_adapter *i2c,
79 struct tda18271_config *cfg);
81 static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
83 struct i2c_adapter *i2c,
84 struct tda18271_config *cfg)
86 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
91 #endif /* __TDA18271_H__ */