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/*
tda18271.h - header for the Philips / NXP TDA18271 silicon tuner
Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __TDA18271_H__
#define __TDA18271_H__
#include <linux/i2c.h>
#include "dvb_frontend.h"
struct tda18271_std_map_item {
u16 if_freq;
/* EP3[4:3] */
unsigned int agc_mode:2;
/* EP3[2:0] */
unsigned int std:3;
/* EP4[7] */
unsigned int fm_rfn:1;
/* EP4[4:2] */
unsigned int if_lvl:3;
/* EB22[6:0] */
unsigned int rfagc_top:7;
};
struct tda18271_std_map {
struct tda18271_std_map_item fm_radio;
struct tda18271_std_map_item atv_b;
struct tda18271_std_map_item atv_dk;
struct tda18271_std_map_item atv_gh;
struct tda18271_std_map_item atv_i;
struct tda18271_std_map_item atv_l;
struct tda18271_std_map_item atv_lc;
struct tda18271_std_map_item atv_mn;
struct tda18271_std_map_item atsc_6;
struct tda18271_std_map_item dvbt_6;
struct tda18271_std_map_item dvbt_7;
struct tda18271_std_map_item dvbt_8;
struct tda18271_std_map_item qam_6;
struct tda18271_std_map_item qam_8;
};
enum tda18271_i2c_gate {
TDA18271_GATE_AUTO = 0,
TDA18271_GATE_ANALOG,
TDA18271_GATE_DIGITAL,
};
struct tda18271_config {
/* override default if freq / std settings (optional) */
struct tda18271_std_map *std_map;
/* use i2c gate provided by analog or digital demod */
enum tda18271_i2c_gate gate;
/* some i2c providers cant write all 39 registers at once */
unsigned int small_i2c:1;
};
#if defined(CONFIG_DVB_TDA18271) || (defined(CONFIG_DVB_TDA18271_MODULE) && defined(MODULE))
extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
struct i2c_adapter *i2c,
struct tda18271_config *cfg);
#else
static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
u8 addr,
struct i2c_adapter *i2c,
struct tda18271_config *cfg)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
return NULL;
}
#endif
#endif /* __TDA18271_H__ */
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