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ves1820.h

/*
    VES1820  - Single Chip Cable Channel Receiver driver module

    Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>

    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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef VES1820_H
#define VES1820_H

#include <linux/dvb/frontend.h>

#define VES1820_SELAGC_PWM 0
#define VES1820_SELAGC_SIGNAMPERR 1

struct ves1820_config
{
      /* the demodulator's i2c address */
      u8 demod_address;

      /* value of XIN to use */
      u32 xin;

      /* does inversion need inverted? */
      u8 invert:1;

      /* SELAGC control */
      u8 selagc:1;
};

#if defined(CONFIG_DVB_VES1820) || (defined(CONFIG_DVB_VES1820_MODULE) && defined(MODULE))
extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
                                 struct i2c_adapter* i2c, u8 pwm);
#else
static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
                                 struct i2c_adapter* i2c, u8 pwm)
{
      printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
      return NULL;
}
#endif // CONFIG_DVB_VES1820

#endif // VES1820_H

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