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/*
* Realtek RTL2832U SDR driver
*
* Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* GNU Radio plugin "gr-kernel" for device usage will be on:
* http://git.linuxtv.org/anttip/gr-kernel.git
*
* TODO:
* Help is very highly welcome for these + all the others you could imagine:
* - move controls to V4L2 API
* - use libv4l2 for stream format conversions
* - gr-kernel: switch to v4l2_mmap (current read eats a lot of cpu)
* - SDRSharp support
*/
#ifndef RTL2832_SDR_H
#define RTL2832_SDR_H
#include <linux/kconfig.h>
#include <media/v4l2-subdev.h>
/* for config struct */
#include "rtl2832.h"
#if IS_ENABLED(CONFIG_DVB_RTL2832_SDR)
extern struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
struct v4l2_subdev *sd);
#else
static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
struct v4l2_subdev *sd)
{
dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif /* RTL2832_SDR_H */
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