rtl2832.h

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/*
 * Realtek RTL2832 DVB-T demodulator driver
 *
 * Copyright (C) 2012 Thomas Mair <[email protected]>
 *
 *  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.
 */

#ifndef RTL2832_H
#define RTL2832_H

#include <linux/dvb/frontend.h>

struct rtl2832_config {
    /*
     * Demodulator I2C address.
     */
    u8 i2c_addr;

    /*
     * Xtal frequency.
     * Hz
     * 4000000, 16000000, 25000000, 28800000
     */
    u32 xtal;

    /*
     * IFs for all used modes.
     * Hz
     * 4570000, 4571429, 36000000, 36125000, 36166667, 44000000
     */
    u32 if_dvbt;

    /*
     * tuner
     * XXX: This must be keep sync with dvb_usb_rtl28xxu demod driver.
     */
#define RTL2832_TUNER_TUA9001   0x24
#define RTL2832_TUNER_FC0012    0x26
#define RTL2832_TUNER_E4000     0x27
#define RTL2832_TUNER_FC0013    0x29
    u8 tuner;
};

#if defined(CONFIG_DVB_RTL2832) || \
    (defined(CONFIG_DVB_RTL2832_MODULE) && defined(MODULE))
extern struct dvb_frontend *rtl2832_attach(
    const struct rtl2832_config *cfg,
    struct i2c_adapter *i2c
);
#else
static inline struct dvb_frontend *rtl2832_attach(
    const struct rtl2832_config *config,
    struct i2c_adapter *i2c
)
{
    pr_warn("%s: driver disabled by Kconfig\n", __func__);
    return NULL;
}
#endif


#endif /* RTL2832_H */