1. 根目录:
2. drivers
3. media
4. dvb-frontends
5. lnbh24.h

/*
 * lnbh24.h - driver for lnb supply and control ic lnbh24
 *
 * Copyright (C) 2009 NetUP Inc.
 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
 *
 * 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 _LNBH24_H
#define _LNBH24_H

#include <linux/kconfig.h>

/* system register bits */
#define LNBH24_OLF	0x01
#define LNBH24_OTF	0x02
#define LNBH24_EN	0x04
#define LNBH24_VSEL	0x08
#define LNBH24_LLC	0x10
#define LNBH24_TEN	0x20
#define LNBH24_TTX	0x40
#define LNBH24_PCL	0x80

#include <linux/dvb/frontend.h>

#if IS_ENABLED(CONFIG_DVB_LNBP21)
/* override_set and override_clear control which
   system register bits (above) to always set & clear */
extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
				struct i2c_adapter *i2c, u8 override_set,
				u8 override_clear, u8 i2c_addr);
#else
static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
				struct i2c_adapter *i2c, u8 override_set,
				u8 override_clear, u8 i2c_addr)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif