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* Sony CXD2820R demodulator driver
* Copyright (C) 2010 Antti Palosaari <>
* 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
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#ifndef CXD2820R_PRIV_H
#define CXD2820R_PRIV_H
#include <linux/dvb/version.h>
#include "dvb_frontend.h"
#include "dvb_math.h"
#include "cxd2820r.h"
#define LOG_PREFIX "cxd2820r"
#undef dbg
#define dbg(f, arg...) \
if (cxd2820r_debug) \
printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg)
#undef err
#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg)
#undef info
#define info(f, arg...) printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg)
#undef warn
#define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg)
struct reg_val_mask {
u32 reg;
u8 val;
u8 mask;
struct cxd2820r_priv {
struct i2c_adapter *i2c;
struct dvb_frontend fe[2];
struct cxd2820r_config cfg;
struct i2c_adapter tuner_i2c_adapter;
struct mutex fe_lock; /* FE lock */
int active_fe:2; /* FE lock, -1=NONE, 0=DVB-T/T2, 1=DVB-C */
bool ber_running;
u8 bank[2];
u8 gpio[3];
fe_delivery_system_t delivery_system;
bool last_tune_failed; /* for switch between T and T2 tune */
/* cxd2820r_core.c */
extern int cxd2820r_debug;
int cxd2820r_gpio(struct dvb_frontend *fe);
int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
u8 mask);
int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
int len);
u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor);
int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
int len);
int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
int len);
int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
/* cxd2820r_c.c */
int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p);
int cxd2820r_set_frontend_c(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params);
int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status);
int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
int cxd2820r_init_c(struct dvb_frontend *fe);
int cxd2820r_sleep_c(struct dvb_frontend *fe);
int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *s);
/* cxd2820r_t.c */
int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p);
int cxd2820r_set_frontend_t(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params);
int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status);
int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
int cxd2820r_init_t(struct dvb_frontend *fe);
int cxd2820r_sleep_t(struct dvb_frontend *fe);
int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *s);
/* cxd2820r_t2.c */
int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p);
int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params);
int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status);
int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
int cxd2820r_init_t2(struct dvb_frontend *fe);
int cxd2820r_sleep_t2(struct dvb_frontend *fe);
int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *s);
#endif /* CXD2820R_PRIV_H */