linux/drivers/media/dvb-frontends/cxd2841er.h
Daniel Scheller 7afe510ab2 [media] dvb-frontends/cxd2841er: make ASCOT use optional
The Sony CXD28xx demods may have other tuner types attached to them (e.g.
NXP TDA18212), so don't mandatorily configure and enable the ASCOT
functionality, but make this conditional by a config flag.

Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Acked-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-20 09:50:06 -03:00

69 lines
1.9 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>
#define CXD2841ER_USE_GATECTRL 1 /* bit 0 */
#define CXD2841ER_AUTO_IFHZ 2 /* bit 1 */
#define CXD2841ER_TS_SERIAL 4 /* bit 2 */
#define CXD2841ER_ASCOT 8 /* bit 3 */
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;
u32 flags;
};
#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