ath9k-hmac/backports-3.12.8-1/drivers/media/dvb-frontends/stv6110x.h
2016-09-26 15:44:25 +02:00

74 lines
2.2 KiB
C

/*
STV6110(A) Silicon tuner driver
Copyright (C) Manu Abraham <abraham.manu@gmail.com>
Copyright (C) ST Microelectronics
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 __STV6110x_H
#define __STV6110x_H
struct stv6110x_config {
u8 addr;
u32 refclk;
u8 clk_div; /* divisor value for the output clock */
};
enum tuner_mode {
TUNER_SLEEP = 1,
TUNER_WAKE,
};
enum tuner_status {
TUNER_PHASELOCKED = 1,
};
struct stv6110x_devctl {
int (*tuner_init) (struct dvb_frontend *fe);
int (*tuner_sleep) (struct dvb_frontend *fe);
int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);
int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency);
int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth);
int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth);
int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain);
int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain);
int (*tuner_set_refclk) (struct dvb_frontend *fe, u32 refclk);
int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status);
};
#if IS_ENABLED(CPTCFG_DVB_STV6110x)
extern struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
const struct stv6110x_config *config,
struct i2c_adapter *i2c);
#else
static inline struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
const struct stv6110x_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CPTCFG_DVB_STV6110x */
#endif /* __STV6110x_H */