55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/*
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* Realtek RTL2832U SDR driver
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*
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* Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* GNU Radio plugin "gr-kernel" for device usage will be on:
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* http://git.linuxtv.org/anttip/gr-kernel.git
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*
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* TODO:
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* Help is very highly welcome for these + all the others you could imagine:
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* - move controls to V4L2 API
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* - use libv4l2 for stream format conversions
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* - gr-kernel: switch to v4l2_mmap (current read eats a lot of cpu)
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* - SDRSharp support
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*/
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#ifndef RTL2832_SDR_H
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#define RTL2832_SDR_H
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#include <linux/kconfig.h>
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#include <media/v4l2-subdev.h>
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/* for config struct */
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#include "rtl2832.h"
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#if IS_ENABLED(CONFIG_DVB_RTL2832_SDR)
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extern struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
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struct v4l2_subdev *sd);
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#else
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static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
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struct v4l2_subdev *sd)
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{
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dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif
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#endif /* RTL2832_SDR_H */
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