isl6423.h

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/*
    Intersil ISL6423 SEC and LNB Power supply controller

    Copyright (C) Manu Abraham <[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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef __ISL_6423_H
#define __ISL_6423_H

#include <linux/dvb/frontend.h>

enum isl6423_current {
    SEC_CURRENT_275m = 0,
    SEC_CURRENT_515m,
    SEC_CURRENT_635m,
    SEC_CURRENT_800m,
};

enum isl6423_curlim {
    SEC_CURRENT_LIM_ON = 1,
    SEC_CURRENT_LIM_OFF
};

struct isl6423_config {
    enum isl6423_current current_max;
    enum isl6423_curlim curlim;
    u8 addr;
    u8 mod_extern;
};

#if defined(CONFIG_DVB_ISL6423) || (defined(CONFIG_DVB_ISL6423_MODULE) && defined(MODULE))


extern struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe,
                       struct i2c_adapter *i2c,
                       const struct isl6423_config *config);

#else
static inline struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe,
                          struct i2c_adapter *i2c,
                          const struct isl6423_config *config)
{
    printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
    return NULL;
}

#endif /* CONFIG_DVB_ISL6423 */

#endif /* __ISL_6423_H */