[deliverable/linux.git] / drivers / media / dvb-frontends / cxd2841er.h

/*
 * 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/kconfig.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
Commit	Line	Data
	1	/*
	2	* cxd2841er.h
	3	*
	4	* Sony CXD2441ER digital demodulator driver public definitions
	5	*
	6	* Copyright 2012 Sony Corporation
	7	* Copyright (C) 2014 NetUP Inc.
	8	* Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
	9	* Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License as published by
	13	* the Free Software Foundation; either version 2 of the License, or
	14	* (at your option) any later version.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*/
	21
	22	#ifndef CXD2841ER_H
	23	#define CXD2841ER_H
	24
	25	#include <linux/kconfig.h>
	26	#include <linux/dvb/frontend.h>
	27
	28	enum cxd2841er_xtal {
	29	SONY_XTAL_20500, /* 20.5 MHz */
	30	SONY_XTAL_24000, /* 24 MHz */
	31	SONY_XTAL_41000 /* 41 MHz */
	32	};
	33
	34	struct cxd2841er_config {
	35	u8 i2c_addr;
	36	enum cxd2841er_xtal xtal;
	37	};
	38
	39	#if IS_REACHABLE(CONFIG_DVB_CXD2841ER)
	40	extern struct dvb_frontend cxd2841er_attach_s(struct cxd2841er_config cfg,
	41	struct i2c_adapter *i2c);
	42
	43	extern struct dvb_frontend cxd2841er_attach_t_c(struct cxd2841er_config cfg,
	44	struct i2c_adapter *i2c);
	45	#else
	46	static inline struct dvb_frontend *cxd2841er_attach_s(
	47	struct cxd2841er_config *cfg,
	48	struct i2c_adapter *i2c)
	49	{
	50	pr_warn("%s: driver disabled by Kconfig\n", __func__);
	51	return NULL;
	52	}
	53
	54	static inline struct dvb_frontend *cxd2841er_attach_t_c(
	55	struct cxd2841er_config cfg, struct i2c_adapter i2c)
	56	{
	57	pr_warn("%s: driver disabled by Kconfig\n", __func__);
	58	return NULL;
	59	}
	60
	61	#endif
	62
	63	#endif