linux-sg2042/drivers/media/dvb-frontends/cxd2841er.h

63 lines
1.7 KiB
C

/*
* cxd2841er.h
*
* Sony CXD2441ER digital demodulator driver public definitions
*
* Copyright 2012 Sony Corporation
* Copyright (C) 2014 NetUP Inc.
* Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
* Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
*
* 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.
*/
#ifndef CXD2841ER_H
#define CXD2841ER_H
#include <linux/dvb/frontend.h>
enum cxd2841er_xtal {
SONY_XTAL_20500, /* 20.5 MHz */
SONY_XTAL_24000, /* 24 MHz */
SONY_XTAL_41000 /* 41 MHz */
};
struct cxd2841er_config {
u8 i2c_addr;
enum cxd2841er_xtal xtal;
};
#if IS_REACHABLE(CONFIG_DVB_CXD2841ER)
extern struct dvb_frontend *cxd2841er_attach_s(struct cxd2841er_config *cfg,
struct i2c_adapter *i2c);
extern struct dvb_frontend *cxd2841er_attach_t_c(struct cxd2841er_config *cfg,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *cxd2841er_attach_s(
struct cxd2841er_config *cfg,
struct i2c_adapter *i2c)
{
pr_warn("%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static inline struct dvb_frontend *cxd2841er_attach_t_c(
struct cxd2841er_config *cfg, struct i2c_adapter *i2c)
{
pr_warn("%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif